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- /*
- * gtk.c: GTK front end for my puzzle collection.
- */
- #ifndef _GNU_SOURCE
- #define _GNU_SOURCE 1 /* for strcasestr */
- #endif
- #include <stdio.h>
- #include <assert.h>
- #include <stdlib.h>
- #include <time.h>
- #include <stdarg.h>
- #include <string.h>
- #include <errno.h>
- #ifdef NO_TGMATH_H
- # include <math.h>
- #else
- # include <tgmath.h>
- #endif
- #include <unistd.h>
- #include <fcntl.h>
- #include <sys/stat.h>
- #include <sys/types.h>
- #include <sys/time.h>
- #include <sys/resource.h>
- #include <gtk/gtk.h>
- #include <gdk/gdkkeysyms.h>
- #include <gdk-pixbuf/gdk-pixbuf.h>
- #include <gdk/gdkx.h>
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
- #include <X11/Xatom.h>
- #include "puzzles.h"
- #include "gtk.h"
- #if GTK_CHECK_VERSION(2,0,0)
- # define USE_PANGO
- # ifdef PANGO_VERSION_CHECK
- # if PANGO_VERSION_CHECK(1,8,0)
- # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
- # endif
- # endif
- #endif
- #if !GTK_CHECK_VERSION(2,4,0)
- # define OLD_FILESEL
- #endif
- #if GTK_CHECK_VERSION(2,8,0)
- # define USE_CAIRO
- # if GTK_CHECK_VERSION(3,0,0) || defined(GDK_DISABLE_DEPRECATED)
- # define USE_CAIRO_WITHOUT_PIXMAP
- # endif
- #endif
- #if defined USE_CAIRO && GTK_CHECK_VERSION(2,10,0)
- /* We can only use printing if we are using Cairo for drawing and we
- have a GTK version >= 2.10 (when GtkPrintOperation was added). */
- # define USE_PRINTING
- # if GTK_CHECK_VERSION(2,18,0)
- /* We can embed the page setup. Before 2.18, we needed to have a
- separate page setup. */
- # define USE_EMBED_PAGE_SETUP
- # endif
- #endif
- #if GTK_CHECK_VERSION(3,0,0)
- /* The old names are still more concise! */
- #define gtk_hbox_new(x,y) gtk_box_new(GTK_ORIENTATION_HORIZONTAL,y)
- #define gtk_vbox_new(x,y) gtk_box_new(GTK_ORIENTATION_VERTICAL,y)
- /* GTK 3 has retired stock button labels */
- #define LABEL_OK "_OK"
- #define LABEL_CANCEL "_Cancel"
- #define LABEL_NO "_No"
- #define LABEL_YES "_Yes"
- #define LABEL_SAVE "_Save"
- #define LABEL_OPEN "_Open"
- #define gtk_button_new_with_our_label gtk_button_new_with_mnemonic
- #else
- #define LABEL_OK GTK_STOCK_OK
- #define LABEL_CANCEL GTK_STOCK_CANCEL
- #define LABEL_NO GTK_STOCK_NO
- #define LABEL_YES GTK_STOCK_YES
- #define LABEL_SAVE GTK_STOCK_SAVE
- #define LABEL_OPEN GTK_STOCK_OPEN
- #define gtk_button_new_with_our_label gtk_button_new_from_stock
- #endif
- /* #undef USE_CAIRO */
- /* #define NO_THICK_LINE */
- #ifdef DEBUGGING
- static FILE *debug_fp = NULL;
- static void dputs(const char *buf)
- {
- if (!debug_fp) {
- debug_fp = fopen("debug.log", "w");
- }
- fputs(buf, stderr);
- if (debug_fp) {
- fputs(buf, debug_fp);
- fflush(debug_fp);
- }
- }
- void debug_printf(const char *fmt, ...)
- {
- char buf[4096];
- va_list ap;
- va_start(ap, fmt);
- vsprintf(buf, fmt, ap);
- dputs(buf);
- va_end(ap);
- }
- #endif
- /* ----------------------------------------------------------------------
- * Error reporting functions used elsewhere.
- */
- void fatal(const char *fmt, ...)
- {
- va_list ap;
- fprintf(stderr, "fatal error: ");
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
- fprintf(stderr, "\n");
- exit(1);
- }
- /* ----------------------------------------------------------------------
- * GTK front end to puzzles.
- */
- static void changed_preset(frontend *fe);
- static void load_prefs(frontend *fe);
- static char *save_prefs(frontend *fe);
- struct font {
- #ifdef USE_PANGO
- PangoFontDescription *desc;
- #else
- GdkFont *font;
- #endif
- int type;
- int size;
- };
- /*
- * An internal API for functions which need to be different for
- * printing and drawing.
- */
- struct internal_drawing_api {
- void (*set_colour)(frontend *fe, int colour);
- #ifdef USE_CAIRO
- void (*fill)(frontend *fe);
- void (*fill_preserve)(frontend *fe);
- #endif
- };
- /*
- * This structure holds all the data relevant to a single window.
- * In principle this would allow us to open multiple independent
- * puzzle windows, although I can't currently see any real point in
- * doing so. I'm just coding cleanly because there's no
- * particularly good reason not to.
- */
- struct frontend {
- bool headless; /* true if we're running without GTK, for --screenshot */
- GtkWidget *window;
- GtkAccelGroup *dummy_accelgroup;
- GtkWidget *area;
- GtkWidget *statusbar;
- GtkWidget *menubar;
- #if GTK_CHECK_VERSION(3,20,0)
- GtkCssProvider *css_provider;
- #endif
- guint statusctx;
- int w, h;
- midend *me;
- #ifdef USE_CAIRO
- const float *colours;
- cairo_t *cr;
- cairo_surface_t *image;
- #ifndef USE_CAIRO_WITHOUT_PIXMAP
- GdkPixmap *pixmap;
- #endif
- GdkColor background; /* for painting outside puzzle area */
- #else
- GdkPixmap *pixmap;
- GdkGC *gc;
- GdkColor *colours;
- GdkColormap *colmap;
- int backgroundindex; /* which of colours[] is background */
- #endif
- int ncolours;
- int bbox_l, bbox_r, bbox_u, bbox_d;
- bool timer_active;
- int timer_id;
- struct timeval last_time;
- struct font *fonts;
- int nfonts, fontsize;
- config_item *cfg;
- int cfg_which;
- bool cfgret;
- GtkWidget *cfgbox;
- void *paste_data;
- int paste_data_len;
- int pw, ph, ps; /* pixmap size (w, h are area size, s is GDK scale) */
- int ox, oy; /* offset of pixmap in drawing area */
- #ifdef OLD_FILESEL
- char *filesel_name;
- #endif
- GSList *preset_radio;
- bool preset_threaded;
- GtkWidget *preset_custom;
- GtkWidget *copy_menu_item;
- #if !GTK_CHECK_VERSION(3,0,0)
- bool drawing_area_shrink_pending;
- bool menubar_is_local;
- #endif
- #if GTK_CHECK_VERSION(3,0,0)
- /*
- * This is used to get round an annoying lack of GTK notification
- * message. If we request a window resize with
- * gtk_window_resize(), we normally get back a "configure" event
- * on the window and on its drawing area, and we respond to the
- * latter by doing an appropriate resize of the puzzle. If the
- * window is maximised, so that gtk_window_resize() _doesn't_
- * change its size, then that configure event never shows up. But
- * if we requested the resize in response to a change of puzzle
- * parameters (say, the user selected a differently-sized preset
- * from the menu), then we would still like to be _notified_ that
- * the window size was staying the same, so that we can respond by
- * choosing an appropriate tile size for the new puzzle preset in
- * the existing window size.
- *
- * Fortunately, in GTK 3, we may not get a "configure" event on
- * the drawing area in this situation, but we still get a
- * "size_allocate" event on the whole window (which, in other
- * situations when we _do_ get a "configure" on the area, turns up
- * second). So we treat _that_ event as indicating that if the
- * "configure" event hasn't already shown up then it's not going
- * to arrive.
- *
- * This flag is where we bookkeep this system. On
- * gtk_window_resize we set this flag to true; the area's
- * configure handler sets it back to false; then if that doesn't
- * happen, the window's size_allocate handler does a fallback
- * puzzle resize when it sees this flag still set to true.
- */
- bool awaiting_resize_ack;
- #endif
- #ifdef USE_CAIRO
- int printcount, printw, printh;
- float printscale;
- bool printsolns, printcolour;
- int hatch;
- float hatchthick, hatchspace;
- drawing *print_dr;
- document *doc;
- #endif
- #ifdef USE_PRINTING
- GtkPrintOperation *printop;
- GtkPrintContext *printcontext;
- GtkSpinButton *printcount_spin_button, *printw_spin_button,
- *printh_spin_button, *printscale_spin_button;
- GtkCheckButton *soln_check_button, *colour_check_button;
- #endif
- const struct internal_drawing_api *dr_api;
- };
- struct blitter {
- #ifdef USE_CAIRO
- cairo_surface_t *image;
- #else
- GdkPixmap *pixmap;
- #endif
- int w, h, x, y;
- };
- void get_random_seed(void **randseed, int *randseedsize)
- {
- struct timeval *tvp = snew(struct timeval);
- gettimeofday(tvp, NULL);
- *randseed = (void *)tvp;
- *randseedsize = sizeof(struct timeval);
- }
- void frontend_default_colour(frontend *fe, float *output)
- {
- #if !GTK_CHECK_VERSION(3,0,0)
- if (!fe->headless) {
- /*
- * If we have a widget and it has a style that specifies a
- * default background colour, use that as the background for
- * the puzzle drawing area.
- */
- GdkColor col = gtk_widget_get_style(fe->window)->bg[GTK_STATE_NORMAL];
- output[0] = col.red / 65535.0;
- output[1] = col.green / 65535.0;
- output[2] = col.blue / 65535.0;
- }
- #endif
- /*
- * GTK 3 has decided that there's no such thing as a 'default
- * background colour' any more, because widget styles might set
- * the background to something more complicated like a background
- * image. We don't want to get into overlaying our entire puzzle
- * on an arbitrary background image, so we'll just make up a
- * reasonable shade of grey.
- *
- * This is also what we do on GTK 2 in headless mode, where we
- * don't have a widget style to query.
- */
- output[0] = output[1] = output[2] = 0.9F;
- }
- static void gtk_status_bar(void *handle, const char *text)
- {
- frontend *fe = (frontend *)handle;
- if (fe->headless)
- return;
- assert(fe->statusbar);
- gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
- gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
- }
- /* ----------------------------------------------------------------------
- * Cairo drawing functions.
- */
- #ifdef USE_CAIRO
- static void setup_drawing(frontend *fe)
- {
- fe->cr = cairo_create(fe->image);
- cairo_scale(fe->cr, fe->ps, fe->ps);
- cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
- cairo_set_line_width(fe->cr, 1.0);
- cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
- cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
- }
- static void teardown_drawing(frontend *fe)
- {
- cairo_destroy(fe->cr);
- fe->cr = NULL;
- #ifndef USE_CAIRO_WITHOUT_PIXMAP
- if (!fe->headless) {
- cairo_t *cr = gdk_cairo_create(fe->pixmap);
- cairo_set_source_surface(cr, fe->image, 0, 0);
- cairo_rectangle(cr,
- fe->bbox_l - 1,
- fe->bbox_u - 1,
- fe->bbox_r - fe->bbox_l + 2,
- fe->bbox_d - fe->bbox_u + 2);
- cairo_fill(cr);
- cairo_destroy(cr);
- }
- #endif
- }
- static void snaffle_colours(frontend *fe)
- {
- fe->colours = midend_colours(fe->me, &fe->ncolours);
- }
- static void draw_set_colour(frontend *fe, int colour)
- {
- cairo_set_source_rgb(fe->cr,
- fe->colours[3*colour + 0],
- fe->colours[3*colour + 1],
- fe->colours[3*colour + 2]);
- }
- static void print_set_colour(frontend *fe, int colour)
- {
- float r, g, b;
- print_get_colour(fe->print_dr, colour, fe->printcolour,
- &(fe->hatch), &r, &g, &b);
- if (fe->hatch < 0)
- cairo_set_source_rgb(fe->cr, r, g, b);
- }
- static void set_window_background(frontend *fe, int colour)
- {
- #if GTK_CHECK_VERSION(3,0,0)
- /* In case the user's chosen theme is dark, we should not override
- * the background colour for the whole window as this makes the
- * menu and status bars unreadable. This might be visible through
- * the gtk-application-prefer-dark-theme flag or else we have to
- * work it out from the name. */
- gboolean dark_theme = false;
- char *theme_name = NULL;
- g_object_get(gtk_settings_get_default(),
- "gtk-application-prefer-dark-theme", &dark_theme,
- "gtk-theme-name", &theme_name,
- NULL);
- if (theme_name && strcasestr(theme_name, "-dark"))
- dark_theme = true;
- g_free(theme_name);
- #if GTK_CHECK_VERSION(3,20,0)
- char css_buf[512];
- sprintf(css_buf, ".background { "
- "background-color: #%02x%02x%02x; }",
- (unsigned)(fe->colours[3*colour + 0] * 255),
- (unsigned)(fe->colours[3*colour + 1] * 255),
- (unsigned)(fe->colours[3*colour + 2] * 255));
- if (!fe->css_provider)
- fe->css_provider = gtk_css_provider_new();
- if (!gtk_css_provider_load_from_data(
- GTK_CSS_PROVIDER(fe->css_provider), css_buf, -1, NULL))
- assert(0 && "Couldn't load CSS");
- if (!dark_theme) {
- gtk_style_context_add_provider(
- gtk_widget_get_style_context(fe->window),
- GTK_STYLE_PROVIDER(fe->css_provider),
- GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
- }
- gtk_style_context_add_provider(
- gtk_widget_get_style_context(fe->area),
- GTK_STYLE_PROVIDER(fe->css_provider),
- GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
- #else // still at least GTK 3.0 but less than 3.20
- GdkRGBA rgba;
- rgba.red = fe->colours[3*colour + 0];
- rgba.green = fe->colours[3*colour + 1];
- rgba.blue = fe->colours[3*colour + 2];
- rgba.alpha = 1.0;
- gdk_window_set_background_rgba(gtk_widget_get_window(fe->area), &rgba);
- if (!dark_theme)
- gdk_window_set_background_rgba(gtk_widget_get_window(fe->window),
- &rgba);
- #endif // GTK_CHECK_VERSION(3,20,0)
- #else // GTK 2 version comes next
- GdkColormap *colmap;
- colmap = gdk_colormap_get_system();
- fe->background.red = fe->colours[3*colour + 0] * 65535;
- fe->background.green = fe->colours[3*colour + 1] * 65535;
- fe->background.blue = fe->colours[3*colour + 2] * 65535;
- if (!gdk_colormap_alloc_color(colmap, &fe->background, false, false)) {
- g_error("couldn't allocate background (#%02x%02x%02x)\n",
- fe->background.red >> 8, fe->background.green >> 8,
- fe->background.blue >> 8);
- }
- gdk_window_set_background(gtk_widget_get_window(fe->area),
- &fe->background);
- gdk_window_set_background(gtk_widget_get_window(fe->window),
- &fe->background);
- #endif
- }
- static PangoLayout *make_pango_layout(frontend *fe)
- {
- return (pango_cairo_create_layout(fe->cr));
- }
- static void draw_pango_layout(frontend *fe, PangoLayout *layout,
- int x, int y)
- {
- cairo_move_to(fe->cr, x, y);
- pango_cairo_show_layout(fe->cr, layout);
- }
- static void save_screenshot_png(frontend *fe, const char *screenshot_file)
- {
- cairo_surface_write_to_png(fe->image, screenshot_file);
- }
- static void do_hatch(frontend *fe)
- {
- double i, x, y, width, height, maxdim;
- /* Get the dimensions of the region to be hatched. */
- cairo_path_extents(fe->cr, &x, &y, &width, &height);
- maxdim = max(width, height);
- cairo_save(fe->cr);
- /* Set the line color and width. */
- cairo_set_source_rgb(fe->cr, 0, 0, 0);
- cairo_set_line_width(fe->cr, fe->hatchthick);
- /* Clip to the region. */
- cairo_clip(fe->cr);
- /* Hatch the bounding area of the fill region. */
- if (fe->hatch == HATCH_VERT || fe->hatch == HATCH_PLUS) {
- for (i = 0.0; i <= width; i += fe->hatchspace) {
- cairo_move_to(fe->cr, i, 0);
- cairo_rel_line_to(fe->cr, 0, height);
- }
- }
- if (fe->hatch == HATCH_HORIZ || fe->hatch == HATCH_PLUS) {
- for (i = 0.0; i <= height; i += fe->hatchspace) {
- cairo_move_to(fe->cr, 0, i);
- cairo_rel_line_to(fe->cr, width, 0);
- }
- }
- if (fe->hatch == HATCH_SLASH || fe->hatch == HATCH_X) {
- for (i = -height; i <= width; i += fe->hatchspace * ROOT2) {
- cairo_move_to(fe->cr, i, 0);
- cairo_rel_line_to(fe->cr, maxdim, maxdim);
- }
- }
- if (fe->hatch == HATCH_BACKSLASH || fe->hatch == HATCH_X) {
- for (i = 0.0; i <= width + height; i += fe->hatchspace * ROOT2) {
- cairo_move_to(fe->cr, i, 0);
- cairo_rel_line_to(fe->cr, -maxdim, maxdim);
- }
- }
- cairo_stroke(fe->cr);
- cairo_restore(fe->cr);
- }
- static void do_draw_fill(frontend *fe)
- {
- cairo_fill(fe->cr);
- }
- static void do_draw_fill_preserve(frontend *fe)
- {
- cairo_fill_preserve(fe->cr);
- }
- static void do_print_fill(frontend *fe)
- {
- if (fe->hatch < 0)
- cairo_fill(fe->cr);
- else
- do_hatch(fe);
- }
- static void do_print_fill_preserve(frontend *fe)
- {
- if (fe->hatch < 0) {
- cairo_fill_preserve(fe->cr);
- } else {
- cairo_path_t *oldpath;
- oldpath = cairo_copy_path(fe->cr);
- do_hatch(fe);
- cairo_append_path(fe->cr, oldpath);
- }
- }
- static void do_clip(frontend *fe, int x, int y, int w, int h)
- {
- cairo_new_path(fe->cr);
- cairo_rectangle(fe->cr, x, y, w, h);
- cairo_clip(fe->cr);
- }
- static void do_unclip(frontend *fe)
- {
- cairo_reset_clip(fe->cr);
- }
- static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
- {
- cairo_save(fe->cr);
- cairo_new_path(fe->cr);
- cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
- cairo_rectangle(fe->cr, x, y, w, h);
- fe->dr_api->fill(fe);
- cairo_restore(fe->cr);
- }
- static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
- {
- cairo_new_path(fe->cr);
- cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
- cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
- cairo_stroke(fe->cr);
- }
- static void do_draw_thick_line(frontend *fe, float thickness,
- float x1, float y1, float x2, float y2)
- {
- cairo_save(fe->cr);
- cairo_set_line_width(fe->cr, thickness);
- cairo_new_path(fe->cr);
- cairo_move_to(fe->cr, x1, y1);
- cairo_line_to(fe->cr, x2, y2);
- cairo_stroke(fe->cr);
- cairo_restore(fe->cr);
- }
- static void do_draw_poly(frontend *fe, const int *coords, int npoints,
- int fillcolour, int outlinecolour)
- {
- int i;
- cairo_new_path(fe->cr);
- for (i = 0; i < npoints; i++)
- cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
- cairo_close_path(fe->cr);
- if (fillcolour >= 0) {
- fe->dr_api->set_colour(fe, fillcolour);
- fe->dr_api->fill_preserve(fe);
- }
- assert(outlinecolour >= 0);
- fe->dr_api->set_colour(fe, outlinecolour);
- cairo_stroke(fe->cr);
- }
- static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
- int fillcolour, int outlinecolour)
- {
- cairo_new_path(fe->cr);
- cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
- cairo_close_path(fe->cr); /* Just in case... */
- if (fillcolour >= 0) {
- fe->dr_api->set_colour(fe, fillcolour);
- fe->dr_api->fill_preserve(fe);
- }
- assert(outlinecolour >= 0);
- fe->dr_api->set_colour(fe, outlinecolour);
- cairo_stroke(fe->cr);
- }
- static void setup_blitter(blitter *bl, int w, int h)
- {
- bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
- }
- static void teardown_blitter(blitter *bl)
- {
- cairo_surface_destroy(bl->image);
- }
- static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
- {
- cairo_t *cr = cairo_create(bl->image);
- cairo_set_source_surface(cr, fe->image, -x, -y);
- cairo_paint(cr);
- cairo_destroy(cr);
- }
- static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
- {
- cairo_set_source_surface(fe->cr, bl->image, x, y);
- cairo_paint(fe->cr);
- }
- static void clear_backing_store(frontend *fe)
- {
- fe->image = NULL;
- }
- static void wipe_and_maybe_destroy_cairo(frontend *fe, cairo_t *cr,
- bool destroy)
- {
- cairo_set_source_rgb(cr, fe->colours[0], fe->colours[1], fe->colours[2]);
- cairo_paint(cr);
- if (destroy)
- cairo_destroy(cr);
- }
- static void setup_backing_store(frontend *fe)
- {
- #ifndef USE_CAIRO_WITHOUT_PIXMAP
- if (!fe->headless) {
- fe->pixmap = gdk_pixmap_new(gtk_widget_get_window(fe->area),
- fe->pw*fe->ps, fe->ph*fe->ps, -1);
- } else {
- fe->pixmap = NULL;
- }
- #endif
- fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
- fe->pw*fe->ps, fe->ph*fe->ps);
- wipe_and_maybe_destroy_cairo(fe, cairo_create(fe->image), true);
- #ifndef USE_CAIRO_WITHOUT_PIXMAP
- if (!fe->headless)
- wipe_and_maybe_destroy_cairo(fe, gdk_cairo_create(fe->pixmap), true);
- #endif
- if (!fe->headless) {
- #if GTK_CHECK_VERSION(3,22,0)
- GdkWindow *gdkwin;
- cairo_region_t *region;
- GdkDrawingContext *drawctx;
- cairo_t *cr;
- gdkwin = gtk_widget_get_window(fe->area);
- region = gdk_window_get_clip_region(gdkwin);
- drawctx = gdk_window_begin_draw_frame(gdkwin, region);
- cr = gdk_drawing_context_get_cairo_context(drawctx);
- wipe_and_maybe_destroy_cairo(fe, cr, false);
- gdk_window_end_draw_frame(gdkwin, drawctx);
- cairo_region_destroy(region);
- #else
- wipe_and_maybe_destroy_cairo(
- fe, gdk_cairo_create(gtk_widget_get_window(fe->area)), true);
- #endif
- }
- }
- static bool backing_store_ok(frontend *fe)
- {
- return fe->image != NULL;
- }
- static void teardown_backing_store(frontend *fe)
- {
- cairo_surface_destroy(fe->image);
- #ifndef USE_CAIRO_WITHOUT_PIXMAP
- gdk_pixmap_unref(fe->pixmap);
- #endif
- fe->image = NULL;
- }
- #endif
- /* ----------------------------------------------------------------------
- * GDK drawing functions.
- */
- #ifndef USE_CAIRO
- static void setup_drawing(frontend *fe)
- {
- fe->gc = gdk_gc_new(fe->area->window);
- }
- static void teardown_drawing(frontend *fe)
- {
- gdk_gc_unref(fe->gc);
- fe->gc = NULL;
- }
- static void snaffle_colours(frontend *fe)
- {
- int i, ncolours;
- float *colours;
- gboolean *success;
- fe->colmap = gdk_colormap_get_system();
- colours = midend_colours(fe->me, &ncolours);
- fe->ncolours = ncolours;
- fe->colours = snewn(ncolours, GdkColor);
- for (i = 0; i < ncolours; i++) {
- fe->colours[i].red = colours[i*3] * 0xFFFF;
- fe->colours[i].green = colours[i*3+1] * 0xFFFF;
- fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
- }
- success = snewn(ncolours, gboolean);
- gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
- false, false, success);
- for (i = 0; i < ncolours; i++) {
- if (!success[i]) {
- g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
- i, fe->colours[i].red >> 8,
- fe->colours[i].green >> 8,
- fe->colours[i].blue >> 8);
- }
- }
- }
- static void set_window_background(frontend *fe, int colour)
- {
- fe->backgroundindex = colour;
- gdk_window_set_background(fe->area->window, &fe->colours[colour]);
- gdk_window_set_background(fe->window->window, &fe->colours[colour]);
- }
- static void draw_set_colour(frontend *fe, int colour)
- {
- gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
- }
- #ifdef USE_PANGO
- static PangoLayout *make_pango_layout(frontend *fe)
- {
- return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
- }
- static void draw_pango_layout(frontend *fe, PangoLayout *layout,
- int x, int y)
- {
- gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
- }
- #endif
- static void save_screenshot_png(frontend *fe, const char *screenshot_file)
- {
- GdkPixbuf *pb;
- GError *gerror = NULL;
- midend_redraw(fe->me);
- pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
- NULL, 0, 0, 0, 0, -1, -1);
- gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
- }
- static void do_clip(frontend *fe, int x, int y, int w, int h)
- {
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
- gdk_gc_set_clip_rectangle(fe->gc, &rect);
- }
- static void do_unclip(frontend *fe)
- {
- GdkRectangle rect;
- rect.x = 0;
- rect.y = 0;
- rect.width = fe->w;
- rect.height = fe->h;
- gdk_gc_set_clip_rectangle(fe->gc, &rect);
- }
- static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
- {
- gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
- }
- static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
- {
- gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
- }
- static void do_draw_thick_line(frontend *fe, float thickness,
- float x1, float y1, float x2, float y2)
- {
- GdkGCValues save;
- gdk_gc_get_values(fe->gc, &save);
- gdk_gc_set_line_attributes(fe->gc,
- thickness,
- GDK_LINE_SOLID,
- GDK_CAP_BUTT,
- GDK_JOIN_BEVEL);
- gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
- gdk_gc_set_line_attributes(fe->gc,
- save.line_width,
- save.line_style,
- save.cap_style,
- save.join_style);
- }
- static void do_draw_poly(frontend *fe, const int *coords, int npoints,
- int fillcolour, int outlinecolour)
- {
- GdkPoint *points = snewn(npoints, GdkPoint);
- int i;
- for (i = 0; i < npoints; i++) {
- points[i].x = coords[i*2];
- points[i].y = coords[i*2+1];
- }
- if (fillcolour >= 0) {
- fe->dr_api->set_colour(fe, fillcolour);
- gdk_draw_polygon(fe->pixmap, fe->gc, true, points, npoints);
- }
- assert(outlinecolour >= 0);
- fe->dr_api->set_colour(fe, outlinecolour);
- /*
- * In principle we ought to be able to use gdk_draw_polygon for
- * the outline as well. In fact, it turns out to interact badly
- * with a clipping region, for no terribly obvious reason, so I
- * draw the outline as a sequence of lines instead.
- */
- for (i = 0; i < npoints; i++)
- gdk_draw_line(fe->pixmap, fe->gc,
- points[i].x, points[i].y,
- points[(i+1)%npoints].x, points[(i+1)%npoints].y);
- sfree(points);
- }
- static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
- int fillcolour, int outlinecolour)
- {
- if (fillcolour >= 0) {
- fe->dr_api->set_colour(fe, fillcolour);
- gdk_draw_arc(fe->pixmap, fe->gc, true,
- cx - radius, cy - radius,
- 2 * radius, 2 * radius, 0, 360 * 64);
- }
- assert(outlinecolour >= 0);
- fe->dr_api->set_colour(fe, outlinecolour);
- gdk_draw_arc(fe->pixmap, fe->gc, false,
- cx - radius, cy - radius,
- 2 * radius, 2 * radius, 0, 360 * 64);
- }
- static void setup_blitter(blitter *bl, int w, int h)
- {
- /*
- * We can't create the pixmap right now, because fe->window
- * might not yet exist. So we just cache w and h and create it
- * during the firs call to blitter_save.
- */
- bl->pixmap = NULL;
- }
- static void teardown_blitter(blitter *bl)
- {
- if (bl->pixmap)
- gdk_pixmap_unref(bl->pixmap);
- }
- static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
- {
- if (!bl->pixmap)
- bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
- gdk_draw_pixmap(bl->pixmap,
- fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
- fe->pixmap,
- x, y, 0, 0, bl->w, bl->h);
- }
- static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
- {
- assert(bl->pixmap);
- gdk_draw_pixmap(fe->pixmap,
- fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
- bl->pixmap,
- 0, 0, x, y, bl->w, bl->h);
- }
- static void clear_backing_store(frontend *fe)
- {
- fe->pixmap = NULL;
- }
- static void setup_backing_store(frontend *fe)
- {
- GdkGC *gc;
- if (fe->headless) {
- fprintf(stderr, "headless mode does not work with GDK drawing\n");
- exit(1);
- }
- fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
- gc = gdk_gc_new(fe->area->window);
- gdk_gc_set_foreground(gc, &fe->colours[0]);
- gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
- gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
- gdk_gc_unref(gc);
- }
- static int backing_store_ok(frontend *fe)
- {
- return (!!fe->pixmap);
- }
- static void teardown_backing_store(frontend *fe)
- {
- gdk_pixmap_unref(fe->pixmap);
- fe->pixmap = NULL;
- }
- #endif
- #ifndef USE_CAIRO_WITHOUT_PIXMAP
- static void repaint_rectangle(frontend *fe, GtkWidget *widget,
- int x, int y, int w, int h)
- {
- GdkGC *gc = gdk_gc_new(gtk_widget_get_window(widget));
- #ifdef USE_CAIRO
- gdk_gc_set_foreground(gc, &fe->background);
- #else
- gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
- #endif
- if (x < fe->ox) {
- gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
- true, x, y, fe->ox - x, h);
- w -= (fe->ox - x);
- x = fe->ox;
- }
- if (y < fe->oy) {
- gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
- true, x, y, w, fe->oy - y);
- h -= (fe->oy - y);
- y = fe->oy;
- }
- if (w > fe->pw) {
- gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
- true, x + fe->pw, y, w - fe->pw, h);
- w = fe->pw;
- }
- if (h > fe->ph) {
- gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
- true, x, y + fe->ph, w, h - fe->ph);
- h = fe->ph;
- }
- gdk_draw_pixmap(gtk_widget_get_window(widget), gc, fe->pixmap,
- x - fe->ox, y - fe->oy, x, y, w, h);
- gdk_gc_unref(gc);
- }
- #endif
- /* ----------------------------------------------------------------------
- * Pango font functions.
- */
- #ifdef USE_PANGO
- static void add_font(frontend *fe, int index, int fonttype, int fontsize)
- {
- /*
- * Use Pango to find the closest match to the requested
- * font.
- */
- PangoFontDescription *fd;
- fd = pango_font_description_new();
- /* `Monospace' and `Sans' are meta-families guaranteed to exist */
- pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
- "Monospace" : "Sans");
- pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
- /*
- * I found some online Pango documentation which
- * described a function called
- * pango_font_description_set_absolute_size(), which is
- * _exactly_ what I want here. Unfortunately, none of
- * my local Pango installations have it (presumably
- * they're too old), so I'm going to have to hack round
- * it by figuring out the point size myself. This
- * limits me to X and probably also breaks in later
- * Pango installations, so ideally I should add another
- * CHECK_VERSION type ifdef and use set_absolute_size
- * where available. All very annoying.
- */
- #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
- pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
- #else
- {
- Display *d = GDK_DISPLAY();
- int s = DefaultScreen(d);
- double resolution =
- (PANGO_SCALE * 72.27 / 25.4) *
- ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
- pango_font_description_set_size(fd, resolution * fontsize);
- }
- #endif
- fe->fonts[index].desc = fd;
- }
- static void align_and_draw_text(frontend *fe,
- int index, int align, int x, int y,
- const char *text)
- {
- PangoLayout *layout;
- PangoRectangle rect;
- layout = make_pango_layout(fe);
- /*
- * Create a layout.
- */
- pango_layout_set_font_description(layout, fe->fonts[index].desc);
- pango_layout_set_text(layout, text, strlen(text));
- pango_layout_get_pixel_extents(layout, NULL, &rect);
- if (align & ALIGN_VCENTRE)
- rect.y -= rect.height / 2;
- else
- rect.y -= rect.height;
- if (align & ALIGN_HCENTRE)
- rect.x -= rect.width / 2;
- else if (align & ALIGN_HRIGHT)
- rect.x -= rect.width;
- draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
- g_object_unref(layout);
- }
- #endif
- /* ----------------------------------------------------------------------
- * Old-fashioned font functions.
- */
- #ifndef USE_PANGO
- static void add_font(int index, int fonttype, int fontsize)
- {
- /*
- * In GTK 1.2, I don't know of any plausible way to
- * pick a suitable font, so I'm just going to be
- * tedious.
- */
- fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
- "fixed" : "variable");
- }
- static void align_and_draw_text(int index, int align, int x, int y,
- const char *text)
- {
- int lb, rb, wid, asc, desc;
- /*
- * Measure vertical string extents with respect to the same
- * string always...
- */
- gdk_string_extents(fe->fonts[i].font,
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
- &lb, &rb, &wid, &asc, &desc);
- if (align & ALIGN_VCENTRE)
- y += asc - (asc+desc)/2;
- else
- y += asc;
- /*
- * ... but horizontal extents with respect to the provided
- * string. This means that multiple pieces of text centred
- * on the same y-coordinate don't have different baselines.
- */
- gdk_string_extents(fe->fonts[i].font, text,
- &lb, &rb, &wid, &asc, &desc);
- if (align & ALIGN_HCENTRE)
- x -= wid / 2;
- else if (align & ALIGN_HRIGHT)
- x -= wid;
- /*
- * Actually draw the text.
- */
- gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
- }
- #endif
- /* ----------------------------------------------------------------------
- * The exported drawing functions.
- */
- static void gtk_start_draw(void *handle)
- {
- frontend *fe = (frontend *)handle;
- fe->bbox_l = fe->w;
- fe->bbox_r = 0;
- fe->bbox_u = fe->h;
- fe->bbox_d = 0;
- setup_drawing(fe);
- }
- static void gtk_clip(void *handle, int x, int y, int w, int h)
- {
- frontend *fe = (frontend *)handle;
- do_clip(fe, x, y, w, h);
- }
- static void gtk_unclip(void *handle)
- {
- frontend *fe = (frontend *)handle;
- do_unclip(fe);
- }
- static void gtk_draw_text(void *handle, int x, int y, int fonttype,
- int fontsize, int align, int colour,
- const char *text)
- {
- frontend *fe = (frontend *)handle;
- int i;
- /*
- * Find or create the font.
- */
- for (i = 0; i < fe->nfonts; i++)
- if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
- break;
- if (i == fe->nfonts) {
- if (fe->fontsize <= fe->nfonts) {
- fe->fontsize = fe->nfonts + 10;
- fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
- }
- fe->nfonts++;
- fe->fonts[i].type = fonttype;
- fe->fonts[i].size = fontsize;
- add_font(fe, i, fonttype, fontsize);
- }
- /*
- * Do the job.
- */
- fe->dr_api->set_colour(fe, colour);
- align_and_draw_text(fe, i, align, x, y, text);
- }
- static void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
- {
- frontend *fe = (frontend *)handle;
- fe->dr_api->set_colour(fe, colour);
- do_draw_rect(fe, x, y, w, h);
- }
- static void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2,
- int colour)
- {
- frontend *fe = (frontend *)handle;
- fe->dr_api->set_colour(fe, colour);
- do_draw_line(fe, x1, y1, x2, y2);
- }
- static void gtk_draw_thick_line(void *handle, float thickness,
- float x1, float y1, float x2, float y2,
- int colour)
- {
- frontend *fe = (frontend *)handle;
- fe->dr_api->set_colour(fe, colour);
- do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
- }
- static void gtk_draw_poly(void *handle, const int *coords, int npoints,
- int fillcolour, int outlinecolour)
- {
- frontend *fe = (frontend *)handle;
- do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
- }
- static void gtk_draw_circle(void *handle, int cx, int cy, int radius,
- int fillcolour, int outlinecolour)
- {
- frontend *fe = (frontend *)handle;
- do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
- }
- static blitter *gtk_blitter_new(void *handle, int w, int h)
- {
- blitter *bl = snew(blitter);
- setup_blitter(bl, w, h);
- bl->w = w;
- bl->h = h;
- return bl;
- }
- static void gtk_blitter_free(void *handle, blitter *bl)
- {
- teardown_blitter(bl);
- sfree(bl);
- }
- static void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
- {
- frontend *fe = (frontend *)handle;
- do_blitter_save(fe, bl, x, y);
- bl->x = x;
- bl->y = y;
- }
- static void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
- {
- frontend *fe = (frontend *)handle;
- if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
- x = bl->x;
- y = bl->y;
- }
- do_blitter_load(fe, bl, x, y);
- }
- static void gtk_draw_update(void *handle, int x, int y, int w, int h)
- {
- frontend *fe = (frontend *)handle;
- if (fe->bbox_l > x ) fe->bbox_l = x ;
- if (fe->bbox_r < x+w) fe->bbox_r = x+w;
- if (fe->bbox_u > y ) fe->bbox_u = y ;
- if (fe->bbox_d < y+h) fe->bbox_d = y+h;
- }
- static void gtk_end_draw(void *handle)
- {
- frontend *fe = (frontend *)handle;
- teardown_drawing(fe);
- if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d && !fe->headless) {
- #ifdef USE_CAIRO_WITHOUT_PIXMAP
- gtk_widget_queue_draw_area(fe->area,
- fe->bbox_l - 1 + fe->ox,
- fe->bbox_u - 1 + fe->oy,
- fe->bbox_r - fe->bbox_l + 2,
- fe->bbox_d - fe->bbox_u + 2);
- #else
- repaint_rectangle(fe, fe->area,
- fe->bbox_l - 1 + fe->ox,
- fe->bbox_u - 1 + fe->oy,
- fe->bbox_r - fe->bbox_l + 2,
- fe->bbox_d - fe->bbox_u + 2);
- #endif
- }
- }
- #ifdef USE_PANGO
- static char *gtk_text_fallback(void *handle, const char *const *strings,
- int nstrings)
- {
- /*
- * We assume Pango can cope with any UTF-8 likely to be emitted
- * by a puzzle.
- */
- return dupstr(strings[0]);
- }
- #endif
- #ifdef USE_PRINTING
- static void gtk_begin_doc(void *handle, int pages)
- {
- frontend *fe = (frontend *)handle;
- gtk_print_operation_set_n_pages(fe->printop, pages);
- }
- static void gtk_begin_page(void *handle, int number)
- {
- }
- static void gtk_begin_puzzle(void *handle, float xm, float xc,
- float ym, float yc, int pw, int ph, float wmm)
- {
- frontend *fe = (frontend *)handle;
- double ppw, pph, pox, poy, dpmmx, dpmmy;
- double scale;
- ppw = gtk_print_context_get_width(fe->printcontext);
- pph = gtk_print_context_get_height(fe->printcontext);
- dpmmx = gtk_print_context_get_dpi_x(fe->printcontext) / 25.4;
- dpmmy = gtk_print_context_get_dpi_y(fe->printcontext) / 25.4;
- /*
- * Compute the puzzle's position in pixels on the logical page.
- */
- pox = xm * ppw + xc * dpmmx;
- poy = ym * pph + yc * dpmmy;
- /*
- * And determine the scale.
- *
- * I need a scale such that the maximum puzzle-coordinate
- * extent of the rectangle (pw * scale) is equal to the pixel
- * equivalent of the puzzle's millimetre width (wmm * dpmmx).
- */
- scale = wmm * dpmmx / pw;
- /*
- * Now instruct Cairo to transform points based on our calculated
- * values (order here *is* important).
- */
- cairo_save(fe->cr);
- cairo_translate(fe->cr, pox, poy);
- cairo_scale(fe->cr, scale, scale);
- fe->hatchthick = 0.2 * pw / wmm;
- fe->hatchspace = 1.0 * pw / wmm;
- }
- static void gtk_end_puzzle(void *handle)
- {
- frontend *fe = (frontend *)handle;
- cairo_restore(fe->cr);
- }
- static void gtk_end_page(void *handle, int number)
- {
- }
- static void gtk_end_doc(void *handle)
- {
- }
- static void gtk_line_width(void *handle, float width)
- {
- frontend *fe = (frontend *)handle;
- cairo_set_line_width(fe->cr, width);
- }
- static void gtk_line_dotted(void *handle, bool dotted)
- {
- frontend *fe = (frontend *)handle;
- if (dotted) {
- const double dash = 35.0;
- cairo_set_dash(fe->cr, &dash, 1, 0);
- } else {
- cairo_set_dash(fe->cr, NULL, 0, 0);
- }
- }
- #endif /* USE_PRINTING */
- static const struct internal_drawing_api internal_drawing = {
- draw_set_colour,
- #ifdef USE_CAIRO
- do_draw_fill,
- do_draw_fill_preserve,
- #endif
- };
- #ifdef USE_CAIRO
- static const struct internal_drawing_api internal_printing = {
- print_set_colour,
- do_print_fill,
- do_print_fill_preserve,
- };
- #endif
- static const struct drawing_api gtk_drawing = {
- gtk_draw_text,
- gtk_draw_rect,
- gtk_draw_line,
- gtk_draw_poly,
- gtk_draw_circle,
- gtk_draw_update,
- gtk_clip,
- gtk_unclip,
- gtk_start_draw,
- gtk_end_draw,
- gtk_status_bar,
- gtk_blitter_new,
- gtk_blitter_free,
- gtk_blitter_save,
- gtk_blitter_load,
- #ifdef USE_PRINTING
- gtk_begin_doc,
- gtk_begin_page,
- gtk_begin_puzzle,
- gtk_end_puzzle,
- gtk_end_page,
- gtk_end_doc,
- gtk_line_width,
- gtk_line_dotted,
- #else
- NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
- NULL, NULL, /* line_width, line_dotted */
- #endif
- #ifdef USE_PANGO
- gtk_text_fallback,
- #else
- NULL,
- #endif
- #ifdef NO_THICK_LINE
- NULL,
- #else
- gtk_draw_thick_line,
- #endif
- };
- static void destroy(GtkWidget *widget, gpointer data)
- {
- frontend *fe = (frontend *)data;
- deactivate_timer(fe);
- midend_free(fe->me);
- gtk_main_quit();
- }
- static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
- {
- frontend *fe = (frontend *)data;
- int keyval;
- int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
- int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
- if (!backing_store_ok(fe))
- return true;
- /* Handle mnemonics. */
- if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
- return true;
- if (event->keyval == GDK_KEY_Up)
- keyval = shift | ctrl | CURSOR_UP;
- else if (event->keyval == GDK_KEY_KP_Up ||
- event->keyval == GDK_KEY_KP_8)
- keyval = MOD_NUM_KEYPAD | '8';
- else if (event->keyval == GDK_KEY_Down)
- keyval = shift | ctrl | CURSOR_DOWN;
- else if (event->keyval == GDK_KEY_KP_Down ||
- event->keyval == GDK_KEY_KP_2)
- keyval = MOD_NUM_KEYPAD | '2';
- else if (event->keyval == GDK_KEY_Left)
- keyval = shift | ctrl | CURSOR_LEFT;
- else if (event->keyval == GDK_KEY_KP_Left ||
- event->keyval == GDK_KEY_KP_4)
- keyval = MOD_NUM_KEYPAD | '4';
- else if (event->keyval == GDK_KEY_Right)
- keyval = shift | ctrl | CURSOR_RIGHT;
- else if (event->keyval == GDK_KEY_KP_Right ||
- event->keyval == GDK_KEY_KP_6)
- keyval = MOD_NUM_KEYPAD | '6';
- else if (event->keyval == GDK_KEY_KP_Home ||
- event->keyval == GDK_KEY_KP_7)
- keyval = MOD_NUM_KEYPAD | '7';
- else if (event->keyval == GDK_KEY_KP_End ||
- event->keyval == GDK_KEY_KP_1)
- keyval = MOD_NUM_KEYPAD | '1';
- else if (event->keyval == GDK_KEY_KP_Page_Up ||
- event->keyval == GDK_KEY_KP_9)
- keyval = MOD_NUM_KEYPAD | '9';
- else if (event->keyval == GDK_KEY_KP_Page_Down ||
- event->keyval == GDK_KEY_KP_3)
- keyval = MOD_NUM_KEYPAD | '3';
- else if (event->keyval == GDK_KEY_KP_Insert ||
- event->keyval == GDK_KEY_KP_0)
- keyval = MOD_NUM_KEYPAD | '0';
- else if (event->keyval == GDK_KEY_KP_Begin ||
- event->keyval == GDK_KEY_KP_5)
- keyval = MOD_NUM_KEYPAD | '5';
- else if (event->keyval == GDK_KEY_BackSpace ||
- event->keyval == GDK_KEY_Delete ||
- event->keyval == GDK_KEY_KP_Delete)
- keyval = '\177';
- else if ((event->keyval == 'z' || event->keyval == 'Z') && shift && ctrl)
- keyval = UI_REDO;
- else if (event->string[0] && !event->string[1])
- keyval = (unsigned char)event->string[0];
- else
- keyval = -1;
- if (keyval >= 0 &&
- midend_process_key(fe->me, 0, 0, keyval) == PKR_QUIT)
- gtk_widget_destroy(fe->window);
- return true;
- }
- static gint button_event(GtkWidget *widget, GdkEventButton *event,
- gpointer data)
- {
- frontend *fe = (frontend *)data;
- int button;
- if (!backing_store_ok(fe))
- return true;
- if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
- return true;
- if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
- button = MIDDLE_BUTTON;
- else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
- button = RIGHT_BUTTON;
- else if (event->button == 1)
- button = LEFT_BUTTON;
- else if (event->button == 8 && event->type == GDK_BUTTON_PRESS)
- button = 'u';
- else if (event->button == 9 && event->type == GDK_BUTTON_PRESS)
- button = 'r';
- else
- return false; /* don't even know what button! */
- if (event->type == GDK_BUTTON_RELEASE && button >= LEFT_BUTTON)
- button += LEFT_RELEASE - LEFT_BUTTON;
- if (midend_process_key(fe->me, event->x - fe->ox,
- event->y - fe->oy, button) == PKR_QUIT)
- gtk_widget_destroy(fe->window);
- return true;
- }
- static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
- gpointer data)
- {
- frontend *fe = (frontend *)data;
- int button;
- if (!backing_store_ok(fe))
- return true;
- if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
- button = MIDDLE_DRAG;
- else if (event->state & GDK_BUTTON1_MASK)
- button = LEFT_DRAG;
- else if (event->state & GDK_BUTTON3_MASK)
- button = RIGHT_DRAG;
- else
- return false; /* don't even know what button! */
- if (midend_process_key(fe->me, event->x - fe->ox,
- event->y - fe->oy, button) == PKR_QUIT)
- gtk_widget_destroy(fe->window);
- #if GTK_CHECK_VERSION(2,12,0)
- gdk_event_request_motions(event);
- #else
- gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
- #endif
- return true;
- }
- #if GTK_CHECK_VERSION(3,0,0)
- static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
- {
- frontend *fe = (frontend *)data;
- GdkRectangle dirtyrect;
- cairo_surface_t *target_surface = cairo_get_target(cr);
- cairo_matrix_t m;
- cairo_get_matrix(cr, &m);
- double orig_sx, orig_sy;
- cairo_surface_get_device_scale(target_surface, &orig_sx, &orig_sy);
- cairo_surface_set_device_scale(target_surface, 1.0, 1.0);
- cairo_translate(cr, m.x0 * (orig_sx - 1.0), m.y0 * (orig_sy - 1.0));
- gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
- cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
- cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
- dirtyrect.width, dirtyrect.height);
- cairo_fill(cr);
- cairo_surface_set_device_scale(target_surface, orig_sx, orig_sy);
- return true;
- }
- #else
- static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
- gpointer data)
- {
- frontend *fe = (frontend *)data;
- if (backing_store_ok(fe)) {
- #ifdef USE_CAIRO_WITHOUT_PIXMAP
- cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
- cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
- cairo_rectangle(cr, event->area.x, event->area.y,
- event->area.width, event->area.height);
- cairo_fill(cr);
- cairo_destroy(cr);
- #else
- repaint_rectangle(fe, widget,
- event->area.x, event->area.y,
- event->area.width, event->area.height);
- #endif
- }
- return true;
- }
- #endif
- static gint map_window(GtkWidget *widget, GdkEvent *event,
- gpointer data)
- {
- frontend *fe = (frontend *)data;
- /*
- * Apparently we need to do this because otherwise the status
- * bar will fail to update immediately. Annoying, but there we
- * go.
- */
- gtk_widget_queue_draw(fe->window);
- return true;
- }
- static void resize_puzzle_to_area(frontend *fe, int x, int y)
- {
- int oldw = fe->w, oldpw = fe->pw, oldh = fe->h, oldph = fe->ph;
- int oldps = fe->ps;
- fe->w = x;
- fe->h = y;
- midend_size(fe->me, &x, &y, true, 1.0);
- fe->pw = x;
- fe->ph = y;
- #if GTK_CHECK_VERSION(3,10,0)
- fe->ps = gtk_widget_get_scale_factor(fe->area);
- #else
- fe->ps = 1;
- #endif
- fe->ox = (fe->w - fe->pw) / 2;
- fe->oy = (fe->h - fe->ph) / 2;
- if (oldw != fe->w || oldpw != fe->pw || oldps != fe->ps ||
- oldh != fe->h || oldph != fe->ph || !backing_store_ok(fe)) {
- if (backing_store_ok(fe))
- teardown_backing_store(fe);
- setup_backing_store(fe);
- }
- midend_force_redraw(fe->me);
- }
- static gint configure_area(GtkWidget *widget,
- GdkEventConfigure *event, gpointer data)
- {
- frontend *fe = (frontend *)data;
- resize_puzzle_to_area(fe, event->width, event->height);
- #if GTK_CHECK_VERSION(3,0,0)
- fe->awaiting_resize_ack = false;
- #endif
- return true;
- }
- #if GTK_CHECK_VERSION(3,0,0)
- static void window_size_alloc(GtkWidget *widget, GtkAllocation *allocation,
- gpointer data)
- {
- frontend *fe = (frontend *)data;
- if (fe->awaiting_resize_ack) {
- GtkAllocation a;
- gtk_widget_get_allocation(fe->area, &a);
- resize_puzzle_to_area(fe, a.width, a.height);
- fe->awaiting_resize_ack = false;
- }
- }
- #endif
- static gint timer_func(gpointer data)
- {
- frontend *fe = (frontend *)data;
- if (fe->timer_active) {
- struct timeval now;
- float elapsed;
- gettimeofday(&now, NULL);
- elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
- (now.tv_sec - fe->last_time.tv_sec));
- midend_timer(fe->me, elapsed); /* may clear timer_active */
- fe->last_time = now;
- }
- return fe->timer_active;
- }
- void deactivate_timer(frontend *fe)
- {
- if (!fe)
- return; /* can happen due to --generate */
- if (fe->timer_active)
- g_source_remove(fe->timer_id);
- fe->timer_active = false;
- }
- void activate_timer(frontend *fe)
- {
- if (!fe)
- return; /* can happen due to --generate */
- if (!fe->timer_active) {
- fe->timer_id = g_timeout_add(20, timer_func, fe);
- gettimeofday(&fe->last_time, NULL);
- }
- fe->timer_active = true;
- }
- static void window_destroy(GtkWidget *widget, gpointer data)
- {
- gtk_main_quit();
- }
- static gint win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
- {
- GObject *cancelbutton = G_OBJECT(data);
- /*
- * `Escape' effectively clicks the cancel button
- */
- if (event->keyval == GDK_KEY_Escape) {
- g_signal_emit_by_name(cancelbutton, "clicked");
- return true;
- }
- return false;
- }
- enum { MB_OK, MB_YESNO };
- static void align_label(GtkLabel *label, double x, double y)
- {
- #if GTK_CHECK_VERSION(3,16,0)
- gtk_label_set_xalign(label, x);
- gtk_label_set_yalign(label, y);
- #elif GTK_CHECK_VERSION(3,14,0)
- gtk_widget_set_halign(GTK_WIDGET(label),
- x == 0 ? GTK_ALIGN_START :
- x == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
- gtk_widget_set_valign(GTK_WIDGET(label),
- y == 0 ? GTK_ALIGN_START :
- y == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
- #else
- gtk_misc_set_alignment(GTK_MISC(label), x, y);
- #endif
- }
- #if GTK_CHECK_VERSION(3,0,0)
- static bool message_box(GtkWidget *parent, const char *title, const char *msg,
- bool centre, int type)
- {
- GtkWidget *window;
- gint ret;
- window = gtk_message_dialog_new
- (GTK_WINDOW(parent),
- (GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
- (type == MB_OK ? GTK_MESSAGE_INFO : GTK_MESSAGE_QUESTION),
- (type == MB_OK ? GTK_BUTTONS_OK : GTK_BUTTONS_YES_NO),
- "%s", msg);
- gtk_window_set_title(GTK_WINDOW(window), title);
- ret = gtk_dialog_run(GTK_DIALOG(window));
- gtk_widget_destroy(window);
- return (type == MB_OK ? true : (ret == GTK_RESPONSE_YES));
- }
- #else /* GTK_CHECK_VERSION(3,0,0) */
- static void msgbox_button_clicked(GtkButton *button, gpointer data)
- {
- GtkWidget *window = GTK_WIDGET(data);
- int v, *ip;
- ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
- v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
- *ip = v;
- gtk_widget_destroy(GTK_WIDGET(data));
- }
- bool message_box(GtkWidget *parent, const char *title, const char *msg,
- bool centre, int type)
- {
- GtkWidget *window, *hbox, *text, *button;
- const char *titles;
- int i, def, cancel;
- window = gtk_dialog_new();
- text = gtk_label_new(msg);
- align_label(GTK_LABEL(text), 0.0, 0.0);
- hbox = gtk_hbox_new(false, 0);
- gtk_box_pack_start(GTK_BOX(hbox), text, false, false, 20);
- gtk_box_pack_start
- (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
- hbox, false, false, 20);
- gtk_widget_show(text);
- gtk_widget_show(hbox);
- gtk_window_set_title(GTK_WINDOW(window), title);
- gtk_label_set_line_wrap(GTK_LABEL(text), true);
- if (type == MB_OK) {
- titles = LABEL_OK "\0";
- def = cancel = 0;
- } else {
- assert(type == MB_YESNO);
- titles = LABEL_NO "\0" LABEL_YES "\0";
- def = 1;
- cancel = 0;
- }
- i = 0;
-
- while (*titles) {
- button = gtk_button_new_with_our_label(titles);
- gtk_box_pack_end
- (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
- button, false, false, 0);
- gtk_widget_show(button);
- if (i == def) {
- gtk_widget_set_can_default(button, true);
- gtk_window_set_default(GTK_WINDOW(window), button);
- }
- if (i == cancel) {
- g_signal_connect(G_OBJECT(window), "key_press_event",
- G_CALLBACK(win_key_press), button);
- }
- g_signal_connect(G_OBJECT(button), "clicked",
- G_CALLBACK(msgbox_button_clicked), window);
- g_object_set_data(G_OBJECT(button), "user-data",
- GINT_TO_POINTER(i));
- titles += strlen(titles)+1;
- i++;
- }
- g_object_set_data(G_OBJECT(window), "user-data", &i);
- g_signal_connect(G_OBJECT(window), "destroy",
- G_CALLBACK(window_destroy), NULL);
- gtk_window_set_modal(GTK_WINDOW(window), true);
- gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
- /* set_transient_window_pos(parent, window); */
- gtk_widget_show(window);
- i = -1;
- gtk_main();
- return (type == MB_YESNO ? i == 1 : true);
- }
- #endif /* GTK_CHECK_VERSION(3,0,0) */
- static void error_box(GtkWidget *parent, const char *msg)
- {
- message_box(parent, "Error", msg, false, MB_OK);
- }
- static void config_ok_button_clicked(GtkButton *button, gpointer data)
- {
- frontend *fe = (frontend *)data;
- const char *err;
- err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
- if (err)
- error_box(fe->cfgbox, err);
- else {
- if (fe->cfg_which == CFG_PREFS) {
- char *prefs_err = save_prefs(fe);
- if (prefs_err) {
- error_box(fe->cfgbox, prefs_err);
- sfree(prefs_err);
- }
- }
- fe->cfgret = true;
- gtk_widget_destroy(fe->cfgbox);
- if (fe->cfg_which != CFG_PREFS)
- changed_preset(fe);
- }
- }
- static void config_cancel_button_clicked(GtkButton *button, gpointer data)
- {
- frontend *fe = (frontend *)data;
- gtk_widget_destroy(fe->cfgbox);
- }
- static gint editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
- {
- /*
- * GtkEntry has a nasty habit of eating the Return key, which
- * is unhelpful since it doesn't actually _do_ anything with it
- * (it calls gtk_widget_activate, but our edit boxes never need
- * activating). So I catch Return before GtkEntry sees it, and
- * pass it straight on to the parent widget. Effect: hitting
- * Return in an edit box will now activate the default button
- * in the dialog just like it will everywhere else.
- */
- if (event->keyval == GDK_KEY_Return &&
- gtk_widget_get_parent(widget) != NULL) {
- gint return_val;
- g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
- g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
- "key_press_event", event, &return_val);
- return return_val;
- }
- return false;
- }
- static void editbox_changed(GtkEditable *ed, gpointer data)
- {
- config_item *i = (config_item *)data;
- assert(i->type == C_STRING);
- sfree(i->u.string.sval);
- i->u.string.sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
- }
- static void button_toggled(GtkToggleButton *tb, gpointer data)
- {
- config_item *i = (config_item *)data;
- assert(i->type == C_BOOLEAN);
- i->u.boolean.bval = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
- }
- static void droplist_sel(GtkComboBox *combo, gpointer data)
- {
- config_item *i = (config_item *)data;
- assert(i->type == C_CHOICES);
- i->u.choices.selected = gtk_combo_box_get_active(combo);
- }
- static bool get_config(frontend *fe, int which)
- {
- GtkWidget *w, *table, *cancel;
- GtkBox *content_box, *button_box;
- char *title;
- config_item *i;
- int y;
- fe->cfg = midend_get_config(fe->me, which, &title);
- fe->cfg_which = which;
- fe->cfgret = false;
- #if GTK_CHECK_VERSION(3,0,0)
- /* GtkDialog isn't quite flexible enough */
- fe->cfgbox = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- content_box = GTK_BOX(gtk_vbox_new(false, 8));
- g_object_set(G_OBJECT(content_box), "margin", 8, (const char *)NULL);
- gtk_widget_show(GTK_WIDGET(content_box));
- gtk_container_add(GTK_CONTAINER(fe->cfgbox), GTK_WIDGET(content_box));
- button_box = GTK_BOX(gtk_hbox_new(false, 8));
- gtk_widget_show(GTK_WIDGET(button_box));
- gtk_box_pack_end(content_box, GTK_WIDGET(button_box), false, false, 0);
- {
- GtkWidget *sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
- gtk_widget_show(sep);
- gtk_box_pack_end(content_box, sep, false, false, 0);
- }
- #else
- fe->cfgbox = gtk_dialog_new();
- content_box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox)));
- button_box = GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox)));
- #endif
- gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
- sfree(title);
- w = gtk_button_new_with_our_label(LABEL_CANCEL);
- gtk_box_pack_end(button_box, w, false, false, 0);
- gtk_widget_show(w);
- g_signal_connect(G_OBJECT(w), "clicked",
- G_CALLBACK(config_cancel_button_clicked), fe);
- cancel = w;
- w = gtk_button_new_with_our_label(LABEL_OK);
- gtk_box_pack_end(button_box, w, false, false, 0);
- gtk_widget_show(w);
- gtk_widget_set_can_default(w, true);
- gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
- g_signal_connect(G_OBJECT(w), "clicked",
- G_CALLBACK(config_ok_button_clicked), fe);
- #if GTK_CHECK_VERSION(3,0,0)
- table = gtk_grid_new();
- #else
- table = gtk_table_new(1, 2, false);
- #endif
- y = 0;
- gtk_box_pack_start(content_box, table, false, false, 0);
- gtk_widget_show(table);
- for (i = fe->cfg; i->type != C_END; i++) {
- #if !GTK_CHECK_VERSION(3,0,0)
- gtk_table_resize(GTK_TABLE(table), y+1, 2);
- #endif
- switch (i->type) {
- case C_STRING:
- /*
- * Edit box with a label beside it.
- */
- w = gtk_label_new(i->name);
- align_label(GTK_LABEL(w), 0.0, 0.5);
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
- #else
- gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
- GTK_SHRINK | GTK_FILL,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- 3, 3);
- #endif
- gtk_widget_show(w);
- w = gtk_entry_new();
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
- g_object_set(G_OBJECT(w), "hexpand", true, (const char *)NULL);
- #else
- gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- 3, 3);
- #endif
- gtk_entry_set_text(GTK_ENTRY(w), i->u.string.sval);
- g_signal_connect(G_OBJECT(w), "changed",
- G_CALLBACK(editbox_changed), i);
- g_signal_connect(G_OBJECT(w), "key_press_event",
- G_CALLBACK(editbox_key), NULL);
- gtk_widget_show(w);
- break;
- case C_BOOLEAN:
- /*
- * Simple checkbox.
- */
- w = gtk_check_button_new_with_label(i->name);
- g_signal_connect(G_OBJECT(w), "toggled",
- G_CALLBACK(button_toggled), i);
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
- g_object_set(G_OBJECT(w), "hexpand", true, (const char *)NULL);
- #else
- gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- 3, 3);
- #endif
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w),
- i->u.boolean.bval);
- gtk_widget_show(w);
- break;
- case C_CHOICES:
- /*
- * Drop-down list (GtkComboBox).
- */
- w = gtk_label_new(i->name);
- align_label(GTK_LABEL(w), 0.0, 0.5);
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
- #else
- gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
- GTK_SHRINK | GTK_FILL,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
- 3, 3);
- #endif
- gtk_widget_show(w);
- {
- int c;
- const char *p, *q;
- char *name;
- GtkListStore *model;
- GtkCellRenderer *cr;
- GtkTreeIter iter;
- model = gtk_list_store_new(1, G_TYPE_STRING);
- c = *i->u.choices.choicenames;
- p = i->u.choices.choicenames+1;
- while (*p) {
- q = p;
- while (*q && *q != c)
- q++;
- name = snewn(q-p+1, char);
- strncpy(name, p, q-p);
- name[q-p] = '\0';
- if (*q) q++; /* eat delimiter */
- gtk_list_store_append(model, &iter);
- gtk_list_store_set(model, &iter, 0, name, -1);
- p = q;
- }
- w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
- gtk_combo_box_set_active(GTK_COMBO_BOX(w),
- i->u.choices.selected);
- cr = gtk_cell_renderer_text_new();
- gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, true);
- gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
- "text", 0, NULL);
- g_signal_connect(G_OBJECT(w), "changed",
- G_CALLBACK(droplist_sel), i);
- }
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
- g_object_set(G_OBJECT(w), "hexpand", true, (const char *)NULL);
- #else
- gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- GTK_EXPAND | GTK_SHRINK | GTK_FILL,
- 3, 3);
- #endif
- gtk_widget_show(w);
- break;
- }
- y++;
- }
- g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
- G_CALLBACK(window_destroy), NULL);
- g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
- G_CALLBACK(win_key_press), cancel);
- gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), true);
- gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
- GTK_WINDOW(fe->window));
- /* set_transient_window_pos(fe->window, fe->cfgbox); */
- gtk_widget_show(fe->cfgbox);
- gtk_main();
- free_cfg(fe->cfg);
- return fe->cfgret;
- }
- static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
- "user-data"));
- if (midend_process_key(fe->me, 0, 0, key) == PKR_QUIT)
- gtk_widget_destroy(fe->window);
- }
- static void get_size(frontend *fe, int *px, int *py)
- {
- int x, y;
- /*
- * Currently I don't want to make the GTK port scale large
- * puzzles to fit on the screen. This is because X does permit
- * extremely large windows and many window managers provide a
- * means of navigating round them, and the users I consulted
- * before deciding said that they'd rather have enormous puzzle
- * windows spanning multiple screen pages than have them
- * shrunk. I could change my mind later or introduce
- * configurability; this would be the place to do so, by
- * replacing the initial values of x and y with the screen
- * dimensions.
- */
- x = INT_MAX;
- y = INT_MAX;
- midend_size(fe->me, &x, &y, false, 1.0);
- *px = x;
- *py = y;
- }
- #if !GTK_CHECK_VERSION(2,0,0)
- #define gtk_window_resize(win, x, y) \
- gdk_window_resize(GTK_WIDGET(win)->window, x, y)
- #endif
- /*
- * Called when any other code in this file has changed the
- * selected game parameters.
- */
- static void changed_preset(frontend *fe)
- {
- int n = midend_which_preset(fe->me);
- fe->preset_threaded = true;
- if (n < 0 && fe->preset_custom) {
- gtk_check_menu_item_set_active(
- GTK_CHECK_MENU_ITEM(fe->preset_custom),
- true);
- } else {
- GSList *gs = fe->preset_radio;
- GSList *found = NULL;
- for (gs = fe->preset_radio; gs; gs = gs->next) {
- struct preset_menu_entry *entry =
- (struct preset_menu_entry *)g_object_get_data(
- G_OBJECT(gs->data), "user-data");
- if (!entry || entry->id != n)
- gtk_check_menu_item_set_active(
- GTK_CHECK_MENU_ITEM(gs->data), false);
- else
- found = gs;
- }
- if (found)
- gtk_check_menu_item_set_active(
- GTK_CHECK_MENU_ITEM(found->data), true);
- }
- fe->preset_threaded = false;
- /*
- * Update the greying on the Copy menu option.
- */
- if (fe->copy_menu_item) {
- bool enabled = midend_can_format_as_text_now(fe->me);
- gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
- }
- }
- #if !GTK_CHECK_VERSION(3,0,0)
- static bool not_size_allocated_yet(GtkWidget *w)
- {
- /*
- * This function tests whether a widget has not yet taken up space
- * on the screen which it will occupy in future. (Therefore, it
- * returns true only if the widget does exist but does not have a
- * size allocation. A null widget is already taking up all the
- * space it ever will.)
- */
- if (!w)
- return false; /* nonexistent widgets aren't a problem */
- #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
- {
- GtkAllocation a;
- gtk_widget_get_allocation(w, &a);
- if (a.height == 0 || a.width == 0)
- return true; /* widget exists but has no size yet */
- }
- #endif
- return false;
- }
- static void try_shrink_drawing_area(frontend *fe)
- {
- if (fe->drawing_area_shrink_pending &&
- (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
- !not_size_allocated_yet(fe->statusbar)) {
- /*
- * In order to permit the user to resize the window smaller as
- * well as bigger, we call this function after the window size
- * has ended up where we want it. This shouldn't shrink the
- * window immediately; it just arranges that the next time the
- * user tries to shrink it, they can.
- *
- * However, at puzzle creation time, we defer the first of
- * these operations until after the menu bar and status bar
- * are actually visible. On Ubuntu 12.04 I've found that these
- * can take a while to be displayed, and that it's a mistake
- * to reduce the drawing area's size allocation before they've
- * turned up or else the drawing area makes room for them by
- * shrinking to less than the size we intended.
- */
- gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
- fe->drawing_area_shrink_pending = false;
- }
- }
- #endif /* !GTK_CHECK_VERSION(3,0,0) */
- static gint configure_window(GtkWidget *widget,
- GdkEventConfigure *event, gpointer data)
- {
- #if !GTK_CHECK_VERSION(3,0,0)
- /*
- * When the main puzzle window changes size, it might be because
- * the menu bar or status bar has turned up after starting off
- * absent, in which case we should have another go at enacting a
- * pending shrink of the drawing area.
- */
- frontend *fe = (frontend *)data;
- try_shrink_drawing_area(fe);
- #endif
- return false;
- }
- #if GTK_CHECK_VERSION(3,0,0)
- static int window_extra_height(frontend *fe)
- {
- int ret = 0;
- if (fe->menubar) {
- GtkRequisition req;
- gtk_widget_get_preferred_size(fe->menubar, &req, NULL);
- ret += req.height;
- }
- if (fe->statusbar) {
- GtkRequisition req;
- gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
- ret += req.height;
- }
- return ret;
- }
- #endif
- static void resize_fe(frontend *fe)
- {
- int x, y;
- get_size(fe, &x, &y);
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_window_resize(GTK_WINDOW(fe->window), x, y + window_extra_height(fe));
- fe->awaiting_resize_ack = true;
- #else
- fe->drawing_area_shrink_pending = false;
- gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
- {
- GtkRequisition req;
- gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
- gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
- }
- fe->drawing_area_shrink_pending = true;
- try_shrink_drawing_area(fe);
- #endif
- }
- static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- struct preset_menu_entry *entry =
- (struct preset_menu_entry *)g_object_get_data(
- G_OBJECT(menuitem), "user-data");
- if (fe->preset_threaded ||
- (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
- !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
- return;
- midend_set_params(fe->me, entry->params);
- midend_new_game(fe->me);
- changed_preset(fe);
- resize_fe(fe);
- midend_redraw(fe->me);
- }
- static GdkAtom compound_text_atom, utf8_string_atom;
- static bool paste_initialised = false;
- static void set_selection(frontend *fe, GdkAtom selection)
- {
- if (!paste_initialised) {
- compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", false);
- utf8_string_atom = gdk_atom_intern("UTF8_STRING", false);
- paste_initialised = true;
- }
- /*
- * For this simple application we can safely assume that the
- * data passed to this function is pure ASCII, which means we
- * can return precisely the same stuff for types STRING,
- * COMPOUND_TEXT or UTF8_STRING.
- */
- if (gtk_selection_owner_set(fe->window, selection, CurrentTime)) {
- gtk_selection_clear_targets(fe->window, selection);
- gtk_selection_add_target(fe->window, selection,
- GDK_SELECTION_TYPE_STRING, 1);
- gtk_selection_add_target(fe->window, selection, compound_text_atom, 1);
- gtk_selection_add_target(fe->window, selection, utf8_string_atom, 1);
- }
- }
- static void write_clip(frontend *fe, char *data)
- {
- if (fe->paste_data)
- sfree(fe->paste_data);
- fe->paste_data = data;
- fe->paste_data_len = strlen(data);
- set_selection(fe, GDK_SELECTION_PRIMARY);
- set_selection(fe, GDK_SELECTION_CLIPBOARD);
- }
- static void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
- guint info, guint time_stamp, gpointer data)
- {
- frontend *fe = (frontend *)data;
- gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
- fe->paste_data, fe->paste_data_len);
- }
- static gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
- gpointer data)
- {
- frontend *fe = (frontend *)data;
- if (fe->paste_data)
- sfree(fe->paste_data);
- fe->paste_data = NULL;
- fe->paste_data_len = 0;
- return true;
- }
- static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- char *text;
- text = midend_text_format(fe->me);
- if (text) {
- write_clip(fe, text);
- } else {
- gdk_display_beep(gdk_display_get_default());
- }
- }
- #ifdef OLD_FILESEL
- static void filesel_ok(GtkButton *button, gpointer data)
- {
- frontend *fe = (frontend *)data;
- gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
- const char *name =
- gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
- fe->filesel_name = dupstr(name);
- }
- static char *file_selector(frontend *fe, const char *title, int save)
- {
- GtkWidget *filesel =
- gtk_file_selection_new(title);
- fe->filesel_name = NULL;
- gtk_window_set_modal(GTK_WINDOW(filesel), true);
- g_object_set_data
- (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
- (gpointer)filesel);
- g_signal_connect
- (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
- G_CALLBACK(filesel_ok), fe);
- g_signal_connect_swapped
- (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
- G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
- g_signal_connect_object
- (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
- G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
- g_signal_connect(G_OBJECT(filesel), "destroy",
- G_CALLBACK(window_destroy), NULL);
- gtk_widget_show(filesel);
- gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
- gtk_main();
- return fe->filesel_name;
- }
- #else
- static char *file_selector(frontend *fe, const char *title, bool save)
- {
- char *filesel_name = NULL;
- GtkWidget *filesel =
- gtk_file_chooser_dialog_new(title,
- GTK_WINDOW(fe->window),
- save ? GTK_FILE_CHOOSER_ACTION_SAVE :
- GTK_FILE_CHOOSER_ACTION_OPEN,
- LABEL_CANCEL, GTK_RESPONSE_CANCEL,
- save ? LABEL_SAVE : LABEL_OPEN,
- GTK_RESPONSE_ACCEPT,
- NULL);
- if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
- char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
- filesel_name = dupstr(name);
- g_free(name);
- }
- gtk_widget_destroy(filesel);
- return filesel_name;
- }
- #endif
- #ifdef USE_PRINTING
- static GObject *create_print_widget(GtkPrintOperation *print, gpointer data)
- {
- GtkLabel *count_label, *width_label, *height_label,
- *scale_llabel, *scale_rlabel;
- GtkBox *scale_hbox;
- GtkWidget *grid;
- frontend *fe = (frontend *)data;
- fe->printcount_spin_button =
- GTK_SPIN_BUTTON(gtk_spin_button_new_with_range(1, 999, 1));
- gtk_spin_button_set_numeric(fe->printcount_spin_button, true);
- gtk_spin_button_set_snap_to_ticks(fe->printcount_spin_button, true);
- fe->printw_spin_button =
- GTK_SPIN_BUTTON(gtk_spin_button_new_with_range(1, 99, 1));
- gtk_spin_button_set_numeric(fe->printw_spin_button, true);
- gtk_spin_button_set_snap_to_ticks(fe->printw_spin_button, true);
- fe->printh_spin_button =
- GTK_SPIN_BUTTON(gtk_spin_button_new_with_range(1, 99, 1));
- gtk_spin_button_set_numeric(fe->printh_spin_button, true);
- gtk_spin_button_set_snap_to_ticks(fe->printh_spin_button, true);
- fe->printscale_spin_button =
- GTK_SPIN_BUTTON(gtk_spin_button_new_with_range(1, 1000, 1));
- gtk_spin_button_set_digits(fe->printscale_spin_button, 1);
- gtk_spin_button_set_numeric(fe->printscale_spin_button, true);
- if (thegame.can_solve) {
- fe->soln_check_button =
- GTK_CHECK_BUTTON(
- gtk_check_button_new_with_label("Print solutions"));
- }
- if (thegame.can_print_in_colour) {
- fe->colour_check_button =
- GTK_CHECK_BUTTON(
- gtk_check_button_new_with_label("Print in color"));
- }
- /* Set defaults to what was selected last time. */
- gtk_spin_button_set_value(fe->printcount_spin_button,
- (gdouble)fe->printcount);
- gtk_spin_button_set_value(fe->printw_spin_button,
- (gdouble)fe->printw);
- gtk_spin_button_set_value(fe->printh_spin_button,
- (gdouble)fe->printh);
- gtk_spin_button_set_value(fe->printscale_spin_button,
- (gdouble)fe->printscale);
- if (thegame.can_solve) {
- gtk_toggle_button_set_active(
- GTK_TOGGLE_BUTTON(fe->soln_check_button), fe->printsolns);
- }
- if (thegame.can_print_in_colour) {
- gtk_toggle_button_set_active(
- GTK_TOGGLE_BUTTON(fe->colour_check_button), fe->printcolour);
- }
- count_label = GTK_LABEL(gtk_label_new("Puzzles to print:"));
- width_label = GTK_LABEL(gtk_label_new("Puzzles across:"));
- height_label = GTK_LABEL(gtk_label_new("Puzzles down:"));
- scale_llabel = GTK_LABEL(gtk_label_new("Puzzle scale:"));
- scale_rlabel = GTK_LABEL(gtk_label_new("%"));
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_widget_set_halign(GTK_WIDGET(count_label), GTK_ALIGN_START);
- gtk_widget_set_halign(GTK_WIDGET(width_label), GTK_ALIGN_START);
- gtk_widget_set_halign(GTK_WIDGET(height_label), GTK_ALIGN_START);
- gtk_widget_set_halign(GTK_WIDGET(scale_llabel), GTK_ALIGN_START);
- #else
- gtk_misc_set_alignment(GTK_MISC(count_label), 0, 0);
- gtk_misc_set_alignment(GTK_MISC(width_label), 0, 0);
- gtk_misc_set_alignment(GTK_MISC(height_label), 0, 0);
- gtk_misc_set_alignment(GTK_MISC(scale_llabel), 0, 0);
- #endif
- scale_hbox = GTK_BOX(gtk_hbox_new(false, 6));
- gtk_box_pack_start(scale_hbox, GTK_WIDGET(fe->printscale_spin_button),
- false, false, 0);
- gtk_box_pack_start(scale_hbox, GTK_WIDGET(scale_rlabel),
- false, false, 0);
- #if GTK_CHECK_VERSION(3,0,0)
- grid = gtk_grid_new();
- gtk_grid_set_column_spacing(GTK_GRID(grid), 18);
- gtk_grid_set_row_spacing(GTK_GRID(grid), 18);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(count_label), 0, 0, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(width_label), 0, 1, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(height_label), 0, 2, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(scale_llabel), 0, 3, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(fe->printcount_spin_button),
- 1, 0, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(fe->printw_spin_button),
- 1, 1, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(fe->printh_spin_button),
- 1, 2, 1, 1);
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(scale_hbox), 1, 3, 1, 1);
- if (thegame.can_solve) {
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(fe->soln_check_button),
- 0, 4, 1, 1);
- }
- if (thegame.can_print_in_colour) {
- gtk_grid_attach(GTK_GRID(grid), GTK_WIDGET(fe->colour_check_button),
- thegame.can_solve, 4, 1, 1);
- }
- #else
- grid = gtk_table_new((thegame.can_solve || thegame.can_print_in_colour) ?
- 5 : 4, 2, false);
- gtk_table_set_col_spacings(GTK_TABLE(grid), 18);
- gtk_table_set_row_spacings(GTK_TABLE(grid), 18);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(count_label), 0, 1, 0, 1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(width_label), 0, 1, 1, 2,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(height_label), 0, 1, 2, 3,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(scale_llabel), 0, 1, 3, 4,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(fe->printcount_spin_button),
- 1, 2, 0, 1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(fe->printw_spin_button),
- 1, 2, 1, 2,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(fe->printh_spin_button),
- 1, 2, 2, 3,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(scale_hbox), 1, 2, 3, 4,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- if (thegame.can_solve) {
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(fe->soln_check_button),
- 0, 1, 4, 5,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- }
- if (thegame.can_print_in_colour) {
- gtk_table_attach(GTK_TABLE(grid), GTK_WIDGET(fe->colour_check_button),
- thegame.can_solve, thegame.can_solve + 1, 4, 5,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- }
- #endif
- gtk_container_set_border_width(GTK_CONTAINER(grid), 12);
- gtk_widget_show_all(grid);
- return G_OBJECT(grid);
- }
- static void apply_print_widget(GtkPrintOperation *print,
- GtkWidget *widget, gpointer data)
- {
- frontend *fe = (frontend *)data;
- /* We ignore `widget' because it is easier and faster to store the
- widgets we need in `fe' then to get the children of `widget'. */
- fe->printcount =
- gtk_spin_button_get_value_as_int(fe->printcount_spin_button);
- fe->printw = gtk_spin_button_get_value_as_int(fe->printw_spin_button);
- fe->printh = gtk_spin_button_get_value_as_int(fe->printh_spin_button);
- fe->printscale = gtk_spin_button_get_value(fe->printscale_spin_button);
- if (thegame.can_solve) {
- fe->printsolns =
- gtk_toggle_button_get_active(
- GTK_TOGGLE_BUTTON(fe->soln_check_button));
- }
- if (thegame.can_print_in_colour) {
- fe->printcolour =
- gtk_toggle_button_get_active(
- GTK_TOGGLE_BUTTON(fe->colour_check_button));
- }
- }
- static void print_begin(GtkPrintOperation *printop,
- GtkPrintContext *context, gpointer data)
- {
- frontend *fe = (frontend *)data;
- midend *nme = NULL; /* non-interactive midend for bulk puzzle generation */
- int i;
- fe->printcontext = context;
- fe->cr = gtk_print_context_get_cairo_context(context);
- /*
- * Create our document structure and fill it up with puzzles.
- */
- fe->doc = document_new(fe->printw, fe->printh, fe->printscale / 100.0F);
- for (i = 0; i < fe->printcount; i++) {
- const char *err;
- if (i == 0) {
- err = midend_print_puzzle(fe->me, fe->doc, fe->printsolns);
- } else {
- if (!nme) {
- game_params *params;
- nme = midend_new(NULL, &thegame, NULL, NULL);
- /*
- * Set the non-interactive mid-end to have the same
- * parameters as the standard one.
- */
- params = midend_get_params(fe->me);
- midend_set_params(nme, params);
- thegame.free_params(params);
- }
- load_prefs(fe);
- midend_new_game(nme);
- err = midend_print_puzzle(nme, fe->doc, fe->printsolns);
- }
- if (err) {
- error_box(fe->window, err);
- return;
- }
- }
- if (nme)
- midend_free(nme);
- /* Begin the document. */
- document_begin(fe->doc, fe->print_dr);
- }
- static void draw_page(GtkPrintOperation *printop,
- GtkPrintContext *context,
- gint page_nr, gpointer data)
- {
- frontend *fe = (frontend *)data;
- document_print_page(fe->doc, fe->print_dr, page_nr);
- }
- static void print_end(GtkPrintOperation *printop,
- GtkPrintContext *context, gpointer data)
- {
- frontend *fe = (frontend *)data;
- /* End and free the document. */
- document_end(fe->doc, fe->print_dr);
- document_free(fe->doc);
- fe->doc = NULL;
- }
- static void print_dialog(frontend *fe)
- {
- GError *error;
- static GtkPrintSettings *settings = NULL;
- static GtkPageSetup *page_setup = NULL;
- #ifndef USE_EMBED_PAGE_SETUP
- GtkPageSetup *new_page_setup;
- #endif
- fe->printop = gtk_print_operation_new();
- gtk_print_operation_set_use_full_page(fe->printop, true);
- gtk_print_operation_set_custom_tab_label(fe->printop, "Puzzle Settings");
- g_signal_connect(fe->printop, "create-custom-widget",
- G_CALLBACK(create_print_widget), fe);
- g_signal_connect(fe->printop, "custom-widget-apply",
- G_CALLBACK(apply_print_widget), fe);
- g_signal_connect(fe->printop, "begin-print", G_CALLBACK(print_begin), fe);
- g_signal_connect(fe->printop, "draw-page", G_CALLBACK(draw_page), fe);
- g_signal_connect(fe->printop, "end-print", G_CALLBACK(print_end), fe);
- #ifdef USE_EMBED_PAGE_SETUP
- gtk_print_operation_set_embed_page_setup(fe->printop, true);
- #else
- if (page_setup == NULL) {
- page_setup =
- g_object_ref(
- gtk_print_operation_get_default_page_setup(fe->printop));
- }
- if (settings == NULL) {
- settings =
- g_object_ref(gtk_print_operation_get_print_settings(fe->printop));
- }
- new_page_setup = gtk_print_run_page_setup_dialog(GTK_WINDOW(fe->window),
- page_setup, settings);
- g_object_unref(page_setup);
- page_setup = new_page_setup;
- gtk_print_operation_set_default_page_setup(fe->printop, page_setup);
- #endif
- if (settings != NULL)
- gtk_print_operation_set_print_settings(fe->printop, settings);
- if (page_setup != NULL)
- gtk_print_operation_set_default_page_setup(fe->printop, page_setup);
- switch (gtk_print_operation_run(fe->printop,
- GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
- GTK_WINDOW(fe->window), &error)) {
- case GTK_PRINT_OPERATION_RESULT_ERROR:
- error_box(fe->window, error->message);
- g_error_free(error);
- break;
- case GTK_PRINT_OPERATION_RESULT_APPLY:
- if (settings != NULL)
- g_object_unref(settings);
- settings =
- g_object_ref(gtk_print_operation_get_print_settings(fe->printop));
- #ifdef USE_EMBED_PAGE_SETUP
- if (page_setup != NULL)
- g_object_unref(page_setup);
- page_setup =
- g_object_ref(
- gtk_print_operation_get_default_page_setup(fe->printop));
- #endif
- break;
- default:
- /* Don't error out on -Werror=switch. */
- break;
- }
- g_object_unref(fe->printop);
- fe->printop = NULL;
- fe->printcontext = NULL;
- }
- #endif /* USE_PRINTING */
- struct savefile_write_ctx {
- FILE *fp;
- int error;
- };
- static void savefile_write(void *wctx, const void *buf, int len)
- {
- struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
- if (fwrite(buf, 1, len, ctx->fp) < len)
- ctx->error = errno;
- }
- static bool savefile_read(void *wctx, void *buf, int len)
- {
- FILE *fp = (FILE *)wctx;
- int ret;
- ret = fread(buf, 1, len, fp);
- return (ret == len);
- }
- static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- char *name;
- name = file_selector(fe, "Enter name of game file to save", true);
- if (name) {
- FILE *fp;
- if ((fp = fopen(name, "r")) != NULL) {
- char buf[256 + FILENAME_MAX];
- fclose(fp);
- /* file exists */
- sprintf(buf, "Are you sure you want to overwrite the"
- " file \"%.*s\"?",
- FILENAME_MAX, name);
- if (!message_box(fe->window, "Question", buf, true, MB_YESNO))
- goto free_and_return;
- }
- fp = fopen(name, "w");
- if (!fp) {
- error_box(fe->window, "Unable to open save file");
- goto free_and_return;
- }
- {
- struct savefile_write_ctx ctx;
- ctx.fp = fp;
- ctx.error = 0;
- midend_serialise(fe->me, savefile_write, &ctx);
- fclose(fp);
- if (ctx.error) {
- char boxmsg[512];
- sprintf(boxmsg, "Error writing save file: %.400s",
- strerror(ctx.error));
- error_box(fe->window, boxmsg);
- goto free_and_return;
- }
- }
- free_and_return:
- sfree(name);
- }
- }
- static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- char *name;
- const char *err;
- name = file_selector(fe, "Enter name of saved game file to load", false);
- if (name) {
- FILE *fp = fopen(name, "r");
- sfree(name);
- if (!fp) {
- error_box(fe->window, "Unable to open saved game file");
- return;
- }
- err = midend_deserialise(fe->me, savefile_read, fp);
- fclose(fp);
- if (err) {
- error_box(fe->window, err);
- return;
- }
- changed_preset(fe);
- resize_fe(fe);
- midend_redraw(fe->me);
- }
- }
- static char *prefs_dir(void)
- {
- const char *var;
- if ((var = getenv("SGT_PUZZLES_DIR")) != NULL)
- return dupstr(var);
- if ((var = getenv("XDG_CONFIG_HOME")) != NULL) {
- size_t size = strlen(var) + 20;
- char *dir = snewn(size, char);
- sprintf(dir, "%s/sgt-puzzles", var);
- return dir;
- }
- if ((var = getenv("HOME")) != NULL) {
- size_t size = strlen(var) + 32;
- char *dir = snewn(size, char);
- sprintf(dir, "%s/.config/sgt-puzzles", var);
- return dir;
- }
- return NULL;
- }
- static char *prefs_path_general(const game *game, const char *suffix)
- {
- char *dir, *path;
- dir = prefs_dir();
- if (!dir)
- return NULL;
- path = make_prefs_path(dir, "/", game, suffix);
- sfree(dir);
- return path;
- }
- static char *prefs_path(const game *game)
- {
- return prefs_path_general(game, ".conf");
- }
- static char *prefs_tmp_path(const game *game)
- {
- return prefs_path_general(game, ".conf.tmp");
- }
- static void load_prefs(frontend *fe)
- {
- const game *game = midend_which_game(fe->me);
- char *path = prefs_path(game);
- if (!path)
- return;
- FILE *fp = fopen(path, "r");
- if (!fp)
- return;
- const char *err = midend_load_prefs(fe->me, savefile_read, fp);
- fclose(fp);
- if (err)
- fprintf(stderr, "Unable to load preferences file %s:\n%s\n",
- path, err);
- sfree(path);
- }
- static char *save_prefs(frontend *fe)
- {
- const game *game = midend_which_game(fe->me);
- char *dir_path = prefs_dir();
- char *file_path = prefs_path(game);
- char *tmp_path = prefs_tmp_path(game);
- struct savefile_write_ctx wctx[1];
- int fd;
- bool cleanup_dir = false, cleanup_tmpfile = false;
- char *err = NULL;
- if (!dir_path || !file_path || !tmp_path) {
- sprintf(err = snewn(256, char),
- "Unable to save preferences:\n"
- "Could not determine pathname for configuration files");
- goto out;
- }
- if (mkdir(dir_path, 0777) < 0) {
- /* Ignore errors while trying to make the directory. It may
- * well already exist, and even if we got some error code
- * other than EEXIST, it's still worth at least _trying_ to
- * make the file inside it, and see if that goes wrong. */
- } else {
- cleanup_dir = true;
- }
- fd = open(tmp_path, O_CREAT | O_WRONLY | O_TRUNC | O_EXCL, 0666);
- if (fd < 0) {
- const char *os_err = strerror(errno);
- sprintf(err = snewn(256 + strlen(tmp_path) + strlen(os_err), char),
- "Unable to save preferences:\n"
- "Unable to create file '%s': %s", tmp_path, os_err);
- goto out;
- } else {
- cleanup_tmpfile = true;
- }
- wctx->error = 0;
- wctx->fp = fdopen(fd, "w");
- midend_save_prefs(fe->me, savefile_write, wctx);
- fclose(wctx->fp);
- if (wctx->error) {
- const char *os_err = strerror(wctx->error);
- sprintf(err = snewn(80 + strlen(tmp_path) + strlen(os_err), char),
- "Unable to write file '%s': %s", tmp_path, os_err);
- goto out;
- }
- if (rename(tmp_path, file_path) < 0) {
- const char *os_err = strerror(errno);
- sprintf(err = snewn(256 + strlen(tmp_path) + strlen(file_path) +
- strlen(os_err), char),
- "Unable to save preferences:\n"
- "Unable to rename '%s' to '%s': %s", tmp_path, file_path,
- os_err);
- goto out;
- } else {
- cleanup_dir = false;
- cleanup_tmpfile = false;
- }
- out:
- if (cleanup_tmpfile) {
- if (unlink(tmp_path) < 0) { /* can't do anything about this */ }
- }
- if (cleanup_dir) {
- if (rmdir(dir_path) < 0) { /* can't do anything about this */ }
- }
- sfree(dir_path);
- sfree(file_path);
- sfree(tmp_path);
- return err;
- }
- static bool delete_prefs(const game *game, char **msg)
- {
- char *dir_path = prefs_dir();
- char *file_path = prefs_path(game);
- char *tmp_path = prefs_tmp_path(game);
- char *msgs[3];
- int i, len, nmsgs = 0;
- char *p;
- bool ok = true;
- if (unlink(file_path) == 0) {
- sprintf(msgs[nmsgs++] = snewn(256 + strlen(file_path), char),
- "Removed preferences file %s\n", file_path);
- } else if (errno != ENOENT) {
- const char *os_err = strerror(errno);
- sprintf(msgs[nmsgs++] = snewn(256 + strlen(file_path) + strlen(os_err),
- char),
- "Failed to remove preferences file %s: %s\n",
- file_path, os_err);
- ok = false;
- }
- if (unlink(tmp_path) == 0) {
- sprintf(msgs[nmsgs++] = snewn(256 + strlen(tmp_path), char),
- "Removed temporary file %s\n", tmp_path);
- } else if (errno != ENOENT) {
- const char *os_err = strerror(errno);
- sprintf(msgs[nmsgs++] = snewn(256 + strlen(tmp_path) + strlen(os_err),
- char),
- "Failed to remove temporary file %s: %s\n", tmp_path, os_err);
- ok = false;
- }
- if (rmdir(dir_path) == 0) {
- sprintf(msgs[nmsgs++] = snewn(256 + strlen(dir_path), char),
- "Removed empty preferences directory %s\n", dir_path);
- } else if (errno != ENOENT && errno != ENOTEMPTY) {
- const char *os_err = strerror(errno);
- sprintf(msgs[nmsgs++] = snewn(256 + strlen(dir_path) + strlen(os_err),
- char),
- "Failed to remove preferences directory %s: %s\n",
- dir_path, os_err);
- ok = false;
- }
- for (i = len = 0; i < nmsgs; i++)
- len += strlen(msgs[i]);
- *msg = snewn(len + 1, char);
- p = *msg;
- for (i = len = 0; i < nmsgs; i++) {
- size_t len = strlen(msgs[i]);
- memcpy(p, msgs[i], len);
- p += len;
- sfree(msgs[i]);
- }
- *p = '\0';
- sfree(dir_path);
- sfree(file_path);
- sfree(tmp_path);
- return ok;
- }
- #ifdef USE_PRINTING
- static void menu_print_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- print_dialog(fe);
- }
- #endif
- static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- const char *msg;
- msg = midend_solve(fe->me);
- if (msg)
- error_box(fe->window, msg);
- }
- static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- midend_restart_game(fe->me);
- }
- static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
- "user-data"));
- if (fe->preset_threaded ||
- (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
- !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
- return;
- changed_preset(fe); /* Put the old preset back! */
- if (!get_config(fe, which))
- return;
- if (which != CFG_PREFS)
- midend_new_game(fe->me);
- resize_fe(fe);
- midend_redraw(fe->me);
- }
- #ifndef HELP_BROWSER_PATH
- #define HELP_BROWSER_PATH "xdg-open:sensible-browser:$BROWSER"
- #endif
- static bool try_show_help(const char *browser, const char *help_name)
- {
- const char *argv[3] = { browser, help_name, NULL };
- return g_spawn_async(NULL, (char **)argv, NULL,
- G_SPAWN_SEARCH_PATH,
- NULL, NULL, NULL, NULL);
- }
- static void show_help(frontend *fe, const char *topic)
- {
- char *path = dupstr(HELP_BROWSER_PATH);
- char *path_entry;
- char *help_name;
- size_t help_name_size;
- bool succeeded = true;
- help_name_size = strlen(HELP_DIR) + 4 + strlen(topic) + 6;
- help_name = snewn(help_name_size, char);
- sprintf(help_name, "%s/en/%s.html",
- HELP_DIR, topic);
- if (access(help_name, R_OK)) {
- error_box(fe->window, "Help file is not installed");
- sfree(path);
- sfree(help_name);
- return;
- }
- path_entry = path;
- for (;;) {
- size_t len;
- bool last;
- len = strcspn(path_entry, ":");
- last = path_entry[len] == 0;
- path_entry[len] = 0;
- if (path_entry[0] == '$') {
- const char *command = getenv(path_entry + 1);
- if (command)
- succeeded = try_show_help(command, help_name);
- } else {
- succeeded = try_show_help(path_entry, help_name);
- }
- if (last || succeeded)
- break;
- path_entry += len + 1;
- }
- if (!succeeded)
- error_box(fe->window, "Failed to start a help browser");
- sfree(path);
- sfree(help_name);
- }
- static void menu_help_contents_event(GtkMenuItem *menuitem, gpointer data)
- {
- show_help((frontend *)data, "index");
- }
- static void menu_help_specific_event(GtkMenuItem *menuitem, gpointer data)
- {
- show_help((frontend *)data, thegame.htmlhelp_topic);
- }
- static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
- {
- frontend *fe = (frontend *)data;
- #if GTK_CHECK_VERSION(3,0,0)
- # define ABOUT_PARAMS \
- "program-name", thegame.name, \
- "version", ver, \
- "comments", "Part of Simon Tatham's Portable Puzzle Collection"
- if (n_xpm_icons) {
- GdkPixbuf *icon = gdk_pixbuf_new_from_xpm_data
- ((const gchar **)xpm_icons[0]);
- gtk_show_about_dialog
- (GTK_WINDOW(fe->window),
- ABOUT_PARAMS,
- "logo", icon,
- (const gchar *)NULL);
- g_object_unref(G_OBJECT(icon));
- }
- else {
- gtk_show_about_dialog
- (GTK_WINDOW(fe->window),
- ABOUT_PARAMS,
- (const gchar *)NULL);
- }
- #else
- char titlebuf[256];
- char textbuf[1024];
- sprintf(titlebuf, "About %.200s", thegame.name);
- sprintf(textbuf,
- "%.200s\n\n"
- "from Simon Tatham's Portable Puzzle Collection\n\n"
- "%.500s", thegame.name, ver);
- message_box(fe->window, titlebuf, textbuf, true, MB_OK);
- #endif
- }
- static GtkWidget *add_menu_ui_item(
- frontend *fe, GtkContainer *cont, const char *text, int action,
- int accel_key, int accel_keyqual)
- {
- GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
- gtk_container_add(cont, menuitem);
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(action));
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_key_event), fe);
- if (accel_key) {
- /*
- * Display a keyboard accelerator alongside this menu item.
- * Actually this won't be processed via the usual GTK
- * accelerator system, because we add it to a dummy
- * accelerator group which is never actually activated on the
- * main window; this permits back ends to override special
- * keys like 'n' and 'r' and 'u' in some UI states. So
- * whatever keystroke we display here will still go to
- * key_event and be handled in the normal way.
- */
- gtk_widget_add_accelerator(menuitem,
- "activate", fe->dummy_accelgroup,
- accel_key, accel_keyqual,
- GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
- }
- gtk_widget_show(menuitem);
- return menuitem;
- }
- static void add_menu_separator(GtkContainer *cont)
- {
- GtkWidget *menuitem = gtk_menu_item_new();
- gtk_container_add(cont, menuitem);
- gtk_widget_show(menuitem);
- }
- static void populate_gtk_preset_menu(frontend *fe, struct preset_menu *menu,
- GtkWidget *gtkmenu)
- {
- int i;
- for (i = 0; i < menu->n_entries; i++) {
- struct preset_menu_entry *entry = &menu->entries[i];
- GtkWidget *menuitem;
- if (entry->params) {
- menuitem = gtk_radio_menu_item_new_with_label(
- fe->preset_radio, entry->title);
- fe->preset_radio = gtk_radio_menu_item_get_group(
- GTK_RADIO_MENU_ITEM(menuitem));
- g_object_set_data(G_OBJECT(menuitem), "user-data", entry);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_preset_event), fe);
- } else {
- GtkWidget *submenu;
- menuitem = gtk_menu_item_new_with_label(entry->title);
- submenu = gtk_menu_new();
- gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
- populate_gtk_preset_menu(fe, entry->submenu, submenu);
- }
- gtk_container_add(GTK_CONTAINER(gtkmenu), menuitem);
- gtk_widget_show(menuitem);
- }
- }
- enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
- static frontend *new_window(
- char *arg, int argtype, char **error, bool headless)
- {
- frontend *fe;
- #ifdef USE_PRINTING
- frontend *print_fe = NULL;
- #endif
- GtkBox *vbox, *hbox;
- GtkWidget *menu, *menuitem;
- GList *iconlist;
- int x, y, n;
- char errbuf[1024];
- struct preset_menu *preset_menu;
- fe = snew(frontend);
- memset(fe, 0, sizeof(frontend));
- #ifndef USE_CAIRO
- if (headless) {
- fprintf(stderr, "headless mode not supported for non-Cairo drawing\n");
- exit(1);
- }
- #else
- fe->headless = headless;
- fe->ps = 1; /* in headless mode, configure_area won't have set this */
- #endif
- fe->timer_active = false;
- fe->timer_id = -1;
- fe->me = midend_new(fe, &thegame, >k_drawing, fe);
- load_prefs(fe);
- fe->dr_api = &internal_drawing;
- #ifdef USE_PRINTING
- if (thegame.can_print) {
- print_fe = snew(frontend);
- memset(print_fe, 0, sizeof(frontend));
- /* Defaults */
- print_fe->printcount = print_fe->printw = print_fe->printh = 1;
- print_fe->printscale = 100;
- print_fe->printsolns = false;
- print_fe->printcolour = thegame.can_print_in_colour;
- /*
- * We need to use the same midend as the main frontend because
- * we need midend_print_puzzle() to be able to print the
- * current puzzle.
- */
- print_fe->me = fe->me;
- print_fe->print_dr = drawing_new(>k_drawing, print_fe->me, print_fe);
- print_fe->dr_api = &internal_printing;
- }
- #endif
- if (arg) {
- const char *err;
- FILE *fp;
- errbuf[0] = '\0';
- switch (argtype) {
- case ARG_ID:
- err = midend_game_id(fe->me, arg);
- if (!err)
- midend_new_game(fe->me);
- else
- sprintf(errbuf, "Invalid game ID: %.800s", err);
- break;
- case ARG_SAVE:
- fp = fopen(arg, "r");
- if (!fp) {
- sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
- } else {
- err = midend_deserialise(fe->me, savefile_read, fp);
- if (err)
- sprintf(errbuf, "Invalid save file: %.800s", err);
- fclose(fp);
- }
- break;
- default /*case ARG_EITHER*/:
- /*
- * First try treating the argument as a game ID.
- */
- err = midend_game_id(fe->me, arg);
- if (!err) {
- /*
- * It's a valid game ID.
- */
- midend_new_game(fe->me);
- } else {
- FILE *fp = fopen(arg, "r");
- if (!fp) {
- sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
- " nor a save file (%.400s)", err, strerror(errno));
- } else {
- err = midend_deserialise(fe->me, savefile_read, fp);
- if (err)
- sprintf(errbuf, "%.800s", err);
- fclose(fp);
- }
- }
- break;
- }
- if (*errbuf) {
- *error = dupstr(errbuf);
- midend_free(fe->me);
- sfree(fe);
- #ifdef USE_PRINTING
- if (thegame.can_print) {
- drawing_free(print_fe->print_dr);
- sfree(print_fe);
- }
- #endif
- return NULL;
- }
- } else {
- midend_new_game(fe->me);
- }
- if (headless) {
- snaffle_colours(fe);
- get_size(fe, &fe->pw, &fe->ph);
- setup_backing_store(fe);
- return fe;
- }
- #if !GTK_CHECK_VERSION(3,0,0)
- {
- /*
- * try_shrink_drawing_area() will do some fiddling with the
- * window size request (see comment in that function) after
- * all the bits and pieces such as the menu bar and status bar
- * have appeared in the puzzle window.
- *
- * However, on Unity systems, the menu bar _doesn't_ appear in
- * the puzzle window, because the Unity shell hijacks it into
- * the menu bar at the very top of the screen. We therefore
- * try to detect that situation here, so that we don't sit
- * here forever waiting for a menu bar.
- */
- const char prop[] = "gtk-shell-shows-menubar";
- GtkSettings *settings = gtk_settings_get_default();
- if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
- prop)) {
- fe->menubar_is_local = true;
- } else {
- int unity_mode;
- g_object_get(gtk_settings_get_default(),
- prop, &unity_mode,
- (const gchar *)NULL);
- fe->menubar_is_local = !unity_mode;
- }
- }
- #endif
- #if GTK_CHECK_VERSION(3,0,0)
- fe->awaiting_resize_ack = false;
- #endif
- fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
- vbox = GTK_BOX(gtk_vbox_new(false, 0));
- gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
- gtk_widget_show(GTK_WIDGET(vbox));
- fe->dummy_accelgroup = gtk_accel_group_new();
- /*
- * Intentionally _not_ added to the window via
- * gtk_window_add_accel_group; see menu_key_event
- */
- hbox = GTK_BOX(gtk_hbox_new(false, 0));
- gtk_box_pack_start(vbox, GTK_WIDGET(hbox), false, false, 0);
- gtk_widget_show(GTK_WIDGET(hbox));
- fe->menubar = gtk_menu_bar_new();
- gtk_box_pack_start(hbox, fe->menubar, true, true, 0);
- gtk_widget_show(fe->menubar);
- menuitem = gtk_menu_item_new_with_mnemonic("_Game");
- gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
- gtk_widget_show(menuitem);
- menu = gtk_menu_new();
- gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
- add_menu_ui_item(fe, GTK_CONTAINER(menu), "New", UI_NEWGAME, 'n', 0);
- menuitem = gtk_menu_item_new_with_label("Restart");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_restart_event), fe);
- gtk_widget_show(menuitem);
- menuitem = gtk_menu_item_new_with_label("Specific...");
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(CFG_DESC));
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_config_event), fe);
- gtk_widget_show(menuitem);
- menuitem = gtk_menu_item_new_with_label("Random Seed...");
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(CFG_SEED));
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_config_event), fe);
- gtk_widget_show(menuitem);
- fe->preset_radio = NULL;
- fe->preset_custom = NULL;
- fe->preset_threaded = false;
- preset_menu = midend_get_presets(fe->me, NULL);
- if (preset_menu->n_entries > 0 || thegame.can_configure) {
- GtkWidget *submenu;
- menuitem = gtk_menu_item_new_with_mnemonic("_Type");
- gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
- gtk_widget_show(menuitem);
- submenu = gtk_menu_new();
- gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
- populate_gtk_preset_menu(fe, preset_menu, submenu);
- if (thegame.can_configure) {
- menuitem = fe->preset_custom =
- gtk_radio_menu_item_new_with_label(fe->preset_radio,
- "Custom...");
- fe->preset_radio =
- gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
- gtk_container_add(GTK_CONTAINER(submenu), menuitem);
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(CFG_SETTINGS));
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_config_event), fe);
- gtk_widget_show(menuitem);
- }
- }
- add_menu_separator(GTK_CONTAINER(menu));
- menuitem = gtk_menu_item_new_with_label("Load...");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_load_event), fe);
- gtk_widget_show(menuitem);
- menuitem = gtk_menu_item_new_with_label("Save...");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_save_event), fe);
- gtk_widget_show(menuitem);
- #ifdef USE_PRINTING
- if (thegame.can_print) {
- add_menu_separator(GTK_CONTAINER(menu));
- menuitem = gtk_menu_item_new_with_label("Print...");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_print_event), print_fe);
- gtk_widget_show(menuitem);
- }
- #endif
- #ifndef STYLUS_BASED
- add_menu_separator(GTK_CONTAINER(menu));
- add_menu_ui_item(fe, GTK_CONTAINER(menu), "Undo", UI_UNDO, 'u', 0);
- add_menu_ui_item(fe, GTK_CONTAINER(menu), "Redo", UI_REDO, 'r', 0);
- #endif
- if (thegame.can_format_as_text_ever) {
- add_menu_separator(GTK_CONTAINER(menu));
- menuitem = gtk_menu_item_new_with_label("Copy");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_copy_event), fe);
- gtk_widget_show(menuitem);
- fe->copy_menu_item = menuitem;
- } else {
- fe->copy_menu_item = NULL;
- }
- if (thegame.can_solve) {
- add_menu_separator(GTK_CONTAINER(menu));
- menuitem = gtk_menu_item_new_with_label("Solve");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_solve_event), fe);
- gtk_widget_show(menuitem);
- }
- add_menu_separator(GTK_CONTAINER(menu));
- menuitem = gtk_menu_item_new_with_label("Preferences...");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(CFG_PREFS));
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_config_event), fe);
- gtk_widget_show(menuitem);
- add_menu_separator(GTK_CONTAINER(menu));
- add_menu_ui_item(fe, GTK_CONTAINER(menu), "Exit", UI_QUIT, 'q', 0);
- menuitem = gtk_menu_item_new_with_mnemonic("_Help");
- gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
- gtk_widget_show(menuitem);
- menu = gtk_menu_new();
- gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
- menuitem = gtk_menu_item_new_with_label("Contents");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_help_contents_event), fe);
- gtk_widget_show(menuitem);
- if (thegame.htmlhelp_topic) {
- char *item;
- assert(thegame.name);
- item = snewn(9 + strlen(thegame.name), char);
- sprintf(item, "Help on %s", thegame.name);
- menuitem = gtk_menu_item_new_with_label(item);
- sfree(item);
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_help_specific_event), fe);
- gtk_widget_show(menuitem);
- }
- menuitem = gtk_menu_item_new_with_label("About");
- gtk_container_add(GTK_CONTAINER(menu), menuitem);
- g_signal_connect(G_OBJECT(menuitem), "activate",
- G_CALLBACK(menu_about_event), fe);
- gtk_widget_show(menuitem);
- #ifdef STYLUS_BASED
- menuitem=gtk_button_new_with_mnemonic("_Redo");
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(UI_REDO));
- g_signal_connect(G_OBJECT(menuitem), "clicked",
- G_CALLBACK(menu_key_event), fe);
- gtk_box_pack_end(hbox, menuitem, false, false, 0);
- gtk_widget_show(menuitem);
- menuitem=gtk_button_new_with_mnemonic("_Undo");
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER(UI_UNDO));
- g_signal_connect(G_OBJECT(menuitem), "clicked",
- G_CALLBACK(menu_key_event), fe);
- gtk_box_pack_end(hbox, menuitem, false, false, 0);
- gtk_widget_show(menuitem);
- if (thegame.flags & REQUIRE_NUMPAD) {
- hbox = GTK_BOX(gtk_hbox_new(false, 0));
- gtk_box_pack_start(vbox, GTK_WIDGET(hbox), false, false, 0);
- gtk_widget_show(GTK_WIDGET(hbox));
- *((int*)errbuf)=0;
- errbuf[1]='\0';
- for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
- menuitem=gtk_button_new_with_label(errbuf);
- g_object_set_data(G_OBJECT(menuitem), "user-data",
- GINT_TO_POINTER((int)(errbuf[0])));
- g_signal_connect(G_OBJECT(menuitem), "clicked",
- G_CALLBACK(menu_key_event), fe);
- gtk_box_pack_start(hbox, menuitem, true, true, 0);
- gtk_widget_show(menuitem);
- }
- }
- #endif /* STYLUS_BASED */
- changed_preset(fe);
- snaffle_colours(fe);
- if (midend_wants_statusbar(fe->me)) {
- GtkWidget *viewport;
- GtkRequisition req;
- viewport = gtk_viewport_new(NULL, NULL);
- gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
- fe->statusbar = gtk_statusbar_new();
- gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
- gtk_widget_show(viewport);
- gtk_box_pack_end(vbox, viewport, false, false, 0);
- gtk_widget_show(fe->statusbar);
- fe->statusctx = gtk_statusbar_get_context_id
- (GTK_STATUSBAR(fe->statusbar), "game");
- gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
- DEFAULT_STATUSBAR_TEXT);
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
- #else
- gtk_widget_size_request(fe->statusbar, &req);
- #endif
- gtk_widget_set_size_request(viewport, -1, req.height);
- } else
- fe->statusbar = NULL;
- fe->area = gtk_drawing_area_new();
- #if GTK_CHECK_VERSION(2,0,0) && !GTK_CHECK_VERSION(3,0,0)
- gtk_widget_set_double_buffered(fe->area, false);
- #endif
- {
- GdkGeometry geom;
- geom.base_width = 0;
- #if GTK_CHECK_VERSION(3,0,0)
- geom.base_height = window_extra_height(fe);
- gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), NULL,
- &geom, GDK_HINT_BASE_SIZE);
- #else
- geom.base_height = 0;
- gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
- &geom, GDK_HINT_BASE_SIZE);
- #endif
- }
- fe->w = -1;
- fe->h = -1;
- get_size(fe, &x, &y);
- #if GTK_CHECK_VERSION(3,0,0)
- gtk_window_set_default_size(GTK_WINDOW(fe->window),
- x, y + window_extra_height(fe));
- #else
- fe->drawing_area_shrink_pending = false;
- gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
- #endif
- gtk_box_pack_end(vbox, fe->area, true, true, 0);
- clear_backing_store(fe);
- fe->fonts = NULL;
- fe->nfonts = fe->fontsize = 0;
- fe->paste_data = NULL;
- fe->paste_data_len = 0;
- g_signal_connect(G_OBJECT(fe->window), "destroy",
- G_CALLBACK(destroy), fe);
- g_signal_connect(G_OBJECT(fe->window), "key_press_event",
- G_CALLBACK(key_event), fe);
- g_signal_connect(G_OBJECT(fe->area), "button_press_event",
- G_CALLBACK(button_event), fe);
- g_signal_connect(G_OBJECT(fe->area), "button_release_event",
- G_CALLBACK(button_event), fe);
- g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
- G_CALLBACK(motion_event), fe);
- g_signal_connect(G_OBJECT(fe->window), "selection_get",
- G_CALLBACK(selection_get), fe);
- g_signal_connect(G_OBJECT(fe->window), "selection_clear_event",
- G_CALLBACK(selection_clear), fe);
- #if GTK_CHECK_VERSION(3,0,0)
- g_signal_connect(G_OBJECT(fe->area), "draw",
- G_CALLBACK(draw_area), fe);
- #else
- g_signal_connect(G_OBJECT(fe->area), "expose_event",
- G_CALLBACK(expose_area), fe);
- #endif
- g_signal_connect(G_OBJECT(fe->window), "map_event",
- G_CALLBACK(map_window), fe);
- g_signal_connect(G_OBJECT(fe->area), "configure_event",
- G_CALLBACK(configure_area), fe);
- g_signal_connect(G_OBJECT(fe->window), "configure_event",
- G_CALLBACK(configure_window), fe);
- #if GTK_CHECK_VERSION(3,0,0)
- g_signal_connect(G_OBJECT(fe->window), "size_allocate",
- G_CALLBACK(window_size_alloc), fe);
- #endif
- gtk_widget_add_events(GTK_WIDGET(fe->area),
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_BUTTON_MOTION_MASK |
- GDK_POINTER_MOTION_HINT_MASK);
- if (n_xpm_icons) {
- gtk_window_set_icon(GTK_WINDOW(fe->window),
- gdk_pixbuf_new_from_xpm_data
- ((const gchar **)xpm_icons[n_xpm_icons-1]));
- iconlist = NULL;
- for (n = 0; n < n_xpm_icons; n++) {
- iconlist =
- g_list_append(iconlist,
- gdk_pixbuf_new_from_xpm_data((const gchar **)
- xpm_icons[n]));
- }
- gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
- }
- gtk_widget_show(fe->area);
- gtk_widget_show(fe->window);
- #if !GTK_CHECK_VERSION(3,0,0)
- fe->drawing_area_shrink_pending = true;
- try_shrink_drawing_area(fe);
- #endif
- set_window_background(fe, 0);
- return fe;
- }
- static void list_presets_from_menu(struct preset_menu *menu)
- {
- int i;
- for (i = 0; i < menu->n_entries; i++) {
- if (menu->entries[i].params) {
- char *paramstr = thegame.encode_params(
- menu->entries[i].params, true);
- printf("%s %s\n", paramstr, menu->entries[i].title);
- sfree(paramstr);
- } else {
- list_presets_from_menu(menu->entries[i].submenu);
- }
- }
- }
- int main(int argc, char **argv)
- {
- char *pname = argv[0];
- int ngenerate = 0, px = 1, py = 1;
- bool print = false;
- bool time_generation = false, test_solve = false, list_presets = false;
- bool delete_prefs_action = false;
- bool soln = false, colour = false;
- float scale = 1.0F;
- float redo_proportion = 0.0F;
- const char *savefile = NULL, *savesuffix = NULL;
- char *arg = NULL;
- int argtype = ARG_EITHER;
- char *screenshot_file = NULL;
- bool doing_opts = true;
- int ac = argc;
- char **av = argv;
- char errbuf[500];
- /*
- * Command line parsing in this function is rather fiddly,
- * because GTK wants to have a go at argc/argv _first_ - and
- * yet we can't let it, because gtk_init() will bomb out if it
- * can't open an X display, whereas in fact we want to permit
- * our --generate and --print modes to run without an X
- * display.
- *
- * So what we do is:
- * - we parse the command line ourselves, without modifying
- * argc/argv
- * - if we encounter an error which might plausibly be the
- * result of a GTK command line (i.e. not detailed errors in
- * particular options of ours) we store the error message
- * and terminate parsing.
- * - if we got enough out of the command line to know it
- * specifies a non-X mode of operation, we either display
- * the stored error and return failure, or if there is no
- * stored error we do the non-X operation and return
- * success.
- * - otherwise, we go straight to gtk_init().
- */
- errbuf[0] = '\0';
- while (--ac > 0) {
- char *p = *++av;
- if (doing_opts && !strcmp(p, "--version")) {
- printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
- thegame.name, ver);
- return 0;
- } else if (doing_opts && !strcmp(p, "--generate")) {
- if (--ac > 0) {
- ngenerate = atoi(*++av);
- if (!ngenerate) {
- fprintf(stderr, "%s: '--generate' expected a number\n",
- pname);
- return 1;
- }
- } else
- ngenerate = 1;
- } else if (doing_opts && !strcmp(p, "--time-generation")) {
- time_generation = true;
- } else if (doing_opts && !strcmp(p, "--test-solve")) {
- test_solve = true;
- } else if (doing_opts && !strcmp(p, "--list-presets")) {
- list_presets = true;
- } else if (doing_opts && (!strcmp(p, "--delete-prefs") ||
- !strcmp(p, "--delete-preferences"))) {
- delete_prefs_action = true;
- } else if (doing_opts && !strcmp(p, "--save")) {
- if (--ac > 0) {
- savefile = *++av;
- } else {
- fprintf(stderr, "%s: '--save' expected a filename\n",
- pname);
- return 1;
- }
- } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
- !strcmp(p, "--savesuffix"))) {
- if (--ac > 0) {
- savesuffix = *++av;
- } else {
- fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
- pname);
- return 1;
- }
- } else if (doing_opts && !strcmp(p, "--print")) {
- if (!thegame.can_print) {
- fprintf(stderr, "%s: this game does not support printing\n",
- pname);
- return 1;
- }
- print = true;
- if (--ac > 0) {
- char *dim = *++av;
- if (sscanf(dim, "%dx%d", &px, &py) != 2) {
- fprintf(stderr, "%s: unable to parse argument '%s' to "
- "'--print'\n", pname, dim);
- return 1;
- }
- } else {
- px = py = 1;
- }
- } else if (doing_opts && !strcmp(p, "--scale")) {
- if (--ac > 0) {
- scale = atof(*++av);
- } else {
- fprintf(stderr, "%s: no argument supplied to '--scale'\n",
- pname);
- return 1;
- }
- } else if (doing_opts && !strcmp(p, "--redo")) {
- /*
- * This is an internal option which I don't expect
- * users to have any particular use for. The effect of
- * --redo is that once the game has been loaded and
- * initialised, the next move in the redo chain is
- * replayed, and the game screen is redrawn part way
- * through the making of the move. This is only
- * meaningful if there _is_ a next move in the redo
- * chain, which means in turn that this option is only
- * useful if you're also passing a save file on the
- * command line.
- *
- * This option is used by the script which generates
- * the puzzle icons and website screenshots, and I
- * don't imagine it's useful for anything else.
- * (Unless, I suppose, users don't like my screenshots
- * and want to generate their own in the same way for
- * some repackaged version of the puzzles.)
- */
- if (--ac > 0) {
- redo_proportion = atof(*++av);
- } else {
- fprintf(stderr, "%s: no argument supplied to '--redo'\n",
- pname);
- return 1;
- }
- } else if (doing_opts && !strcmp(p, "--screenshot")) {
- /*
- * Another internal option for the icon building
- * script. This causes a screenshot of the central
- * drawing area (i.e. not including the menu bar or
- * status bar) to be saved to a PNG file once the
- * window has been drawn, and then the application
- * quits immediately.
- */
- if (--ac > 0) {
- screenshot_file = *++av;
- } else {
- fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
- pname);
- return 1;
- }
- } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
- !strcmp(p, "--with-solution") ||
- !strcmp(p, "--with-solns") ||
- !strcmp(p, "--with-soln") ||
- !strcmp(p, "--solutions") ||
- !strcmp(p, "--solution") ||
- !strcmp(p, "--solns") ||
- !strcmp(p, "--soln"))) {
- soln = true;
- } else if (doing_opts && !strcmp(p, "--colour")) {
- if (!thegame.can_print_in_colour) {
- fprintf(stderr, "%s: this game does not support colour"
- " printing\n", pname);
- return 1;
- }
- colour = true;
- } else if (doing_opts && !strcmp(p, "--load")) {
- argtype = ARG_SAVE;
- } else if (doing_opts && !strcmp(p, "--game")) {
- argtype = ARG_ID;
- } else if (doing_opts && !strcmp(p, "--")) {
- doing_opts = false;
- } else if (!doing_opts || p[0] != '-') {
- if (arg) {
- fprintf(stderr, "%s: more than one argument supplied\n",
- pname);
- return 1;
- }
- arg = p;
- } else {
- sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
- pname, p);
- break;
- }
- }
- /*
- * Special standalone mode for generating puzzle IDs on the
- * command line. Useful for generating puzzles to be printed
- * out and solved offline (for puzzles where that even makes
- * sense - Solo, for example, is a lot more pencil-and-paper
- * friendly than Twiddle!)
- *
- * Usage:
- *
- * <puzzle-name> --generate [<n> [<params>]]
- *
- * <n>, if present, is the number of puzzle IDs to generate.
- * <params>, if present, is the same type of parameter string
- * you would pass to the puzzle when running it in GUI mode,
- * including optional extras such as the expansion factor in
- * Rectangles and the difficulty level in Solo.
- *
- * If you specify <params>, you must also specify <n> (although
- * you may specify it to be 1). Sorry; that was the
- * simplest-to-parse command-line syntax I came up with.
- */
- if (ngenerate > 0 || print || savefile || savesuffix) {
- int i, n = 1;
- midend *me;
- char *id;
- document *doc = NULL;
- /*
- * If we're in this branch, we should display any pending
- * error message from the command line, since GTK isn't going
- * to take another crack at making sense of it.
- */
- if (*errbuf) {
- fputs(errbuf, stderr);
- return 1;
- }
- n = ngenerate;
- me = midend_new(NULL, &thegame, NULL, NULL);
- i = 0;
- if (savefile && !savesuffix)
- savesuffix = "";
- if (!savefile && savesuffix)
- savefile = "";
- if (print)
- doc = document_new(px, py, scale);
- /*
- * In this loop, we either generate a game ID or read one
- * from stdin depending on whether we're in generate mode;
- * then we either write it to stdout or print it, depending
- * on whether we're in print mode. Thus, this loop handles
- * generate-to-stdout, print-from-stdin and generate-and-
- * immediately-print modes.
- *
- * (It could also handle a copy-stdin-to-stdout mode,
- * although there's currently no combination of options
- * which will cause this loop to be activated in that mode.
- * It wouldn't be _entirely_ pointless, though, because
- * stdin could contain bare params strings or random-seed
- * IDs, and stdout would contain nothing but fully
- * generated descriptive game IDs.)
- */
- while (ngenerate == 0 || i < n) {
- char *pstr, *seed;
- const char *err;
- struct rusage before, after;
- if (ngenerate == 0) {
- pstr = fgetline(stdin);
- if (!pstr)
- break;
- pstr[strcspn(pstr, "\r\n")] = '\0';
- } else {
- if (arg) {
- pstr = snewn(strlen(arg) + 40, char);
- strcpy(pstr, arg);
- if (i > 0 && strchr(arg, '#'))
- sprintf(pstr + strlen(pstr), "-%d", i);
- } else
- pstr = NULL;
- }
- if (pstr) {
- err = midend_game_id(me, pstr);
- if (err) {
- fprintf(stderr, "%s: error parsing '%s': %s\n",
- pname, pstr, err);
- return 1;
- }
- }
- if (time_generation)
- getrusage(RUSAGE_SELF, &before);
- midend_new_game(me);
- seed = midend_get_random_seed(me);
- if (time_generation) {
- double elapsed;
- getrusage(RUSAGE_SELF, &after);
- elapsed = (after.ru_utime.tv_sec -
- before.ru_utime.tv_sec);
- elapsed += (after.ru_utime.tv_usec -
- before.ru_utime.tv_usec) / 1000000.0;
- printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
- }
- if (test_solve && thegame.can_solve) {
- /*
- * Now destroy the aux_info in the midend, by means of
- * re-entering the same game id, and then try to solve
- * it.
- */
- char *game_id;
- game_id = midend_get_game_id(me);
- err = midend_game_id(me, game_id);
- if (err) {
- fprintf(stderr, "%s %s: game id re-entry error: %s\n",
- thegame.name, seed, err);
- return 1;
- }
- midend_new_game(me);
- sfree(game_id);
- err = midend_solve(me);
- /*
- * If the solve operation returned the error "Solution
- * not known for this puzzle", that's OK, because that
- * just means it's a puzzle for which we don't have an
- * algorithmic solver and hence can't solve it without
- * the aux_info, e.g. Netslide. Any other error is a
- * problem, though.
- */
- if (err && strcmp(err, "Solution not known for this puzzle")) {
- fprintf(stderr, "%s %s: solve error: %s\n",
- thegame.name, seed, err);
- return 1;
- }
- }
- sfree(pstr);
- sfree(seed);
- if (doc) {
- err = midend_print_puzzle(me, doc, soln);
- if (err) {
- fprintf(stderr, "%s: error in printing: %s\n", pname, err);
- return 1;
- }
- }
- if (savefile) {
- struct savefile_write_ctx ctx;
- char *realname = snewn(40 + strlen(savefile) +
- strlen(savesuffix), char);
- sprintf(realname, "%s%d%s", savefile, i, savesuffix);
- if (soln) {
- const char *err = midend_solve(me);
- if (err) {
- fprintf(stderr, "%s: unable to show solution: %s\n",
- realname, err);
- return 1;
- }
- }
- ctx.fp = fopen(realname, "w");
- if (!ctx.fp) {
- fprintf(stderr, "%s: open: %s\n", realname,
- strerror(errno));
- return 1;
- }
- ctx.error = 0;
- midend_serialise(me, savefile_write, &ctx);
- if (ctx.error) {
- fprintf(stderr, "%s: write: %s\n", realname,
- strerror(ctx.error));
- return 1;
- }
- if (fclose(ctx.fp)) {
- fprintf(stderr, "%s: close: %s\n", realname,
- strerror(errno));
- return 1;
- }
- sfree(realname);
- }
- if (!doc && !savefile && !time_generation) {
- id = midend_get_game_id(me);
- puts(id);
- sfree(id);
- }
- i++;
- }
- if (doc) {
- psdata *ps = ps_init(stdout, colour);
- document_print(doc, ps_drawing_api(ps));
- document_free(doc);
- ps_free(ps);
- }
- midend_free(me);
- return 0;
- } else if (list_presets) {
- /*
- * Another specialist mode which causes the puzzle to list the
- * game_params strings for all its preset configurations.
- */
- midend *me;
- struct preset_menu *menu;
- me = midend_new(NULL, &thegame, NULL, NULL);
- menu = midend_get_presets(me, NULL);
- list_presets_from_menu(menu);
- midend_free(me);
- return 0;
- } else if (delete_prefs_action) {
- char *msg = NULL;
- bool ok = delete_prefs(&thegame, &msg);
- if (!ok) {
- fputs(msg, stderr);
- return 1;
- } else {
- fputs(msg, stdout);
- return 0;
- }
- } else {
- frontend *fe;
- bool headless = screenshot_file != NULL;
- char *error = NULL;
- if (!headless)
- gtk_init(&argc, &argv);
- fe = new_window(arg, argtype, &error, headless);
- if (!fe) {
- fprintf(stderr, "%s: %s\n", pname, error);
- sfree(error);
- return 1;
- }
- if (screenshot_file) {
- /*
- * Some puzzles will not redraw their entire area if
- * given a partially completed animation, which means
- * we must redraw now and _then_ redraw again after
- * freezing the move timer.
- */
- midend_force_redraw(fe->me);
- }
- if (redo_proportion) {
- /* Start a redo. */
- midend_process_key(fe->me, 0, 0, 'r');
- /* And freeze the timer at the specified position. */
- midend_freeze_timer(fe->me, redo_proportion);
- }
- if (screenshot_file) {
- save_screenshot_png(fe, screenshot_file);
- exit(0);
- }
- gtk_main();
- }
- return 0;
- }
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