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- /*************************************************************************/
- /* button.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /*************************************************************************/
- #include "button.h"
- #include "print_string.h"
- #include "servers/visual_server.h"
- #include "translation.h"
- Size2 Button::get_minimum_size() const {
- Size2 minsize = get_font("font")->get_string_size(xl_text);
- if (clip_text)
- minsize.width = 0;
- Ref<Texture> _icon;
- if (icon.is_null() && has_icon("icon"))
- _icon = Control::get_icon("icon");
- else
- _icon = icon;
- if (!_icon.is_null()) {
- minsize.height = MAX(minsize.height, _icon->get_height());
- minsize.width += _icon->get_width();
- if (xl_text != "")
- minsize.width += get_constant("hseparation");
- }
- return get_stylebox("normal")->get_minimum_size() + minsize;
- }
- void Button::_notification(int p_what) {
- if (p_what == NOTIFICATION_TRANSLATION_CHANGED) {
- xl_text = tr(text);
- minimum_size_changed();
- update();
- }
- if (p_what == NOTIFICATION_DRAW) {
- RID ci = get_canvas_item();
- Size2 size = get_size();
- Color color;
- Color color_icon(1, 1, 1, 1);
- //print_line(get_text()+": "+itos(is_flat())+" hover "+itos(get_draw_mode()));
- Ref<StyleBox> style = get_stylebox("normal");
- switch (get_draw_mode()) {
- case DRAW_NORMAL: {
- style = get_stylebox("normal");
- if (!flat)
- style->draw(ci, Rect2(Point2(0, 0), size));
- color = get_color("font_color");
- if (has_color("icon_color_normal"))
- color_icon = get_color("icon_color_normal");
- } break;
- case DRAW_PRESSED: {
- style = get_stylebox("pressed");
- if (!flat)
- style->draw(ci, Rect2(Point2(0, 0), size));
- if (has_color("font_color_pressed"))
- color = get_color("font_color_pressed");
- else
- color = get_color("font_color");
- if (has_color("icon_color_pressed"))
- color_icon = get_color("icon_color_pressed");
- } break;
- case DRAW_HOVER: {
- style = get_stylebox("hover");
- if (!flat)
- style->draw(ci, Rect2(Point2(0, 0), size));
- color = get_color("font_color_hover");
- if (has_color("icon_color_hover"))
- color_icon = get_color("icon_color_hover");
- } break;
- case DRAW_DISABLED: {
- style = get_stylebox("disabled");
- if (!flat)
- style->draw(ci, Rect2(Point2(0, 0), size));
- color = get_color("font_color_disabled");
- if (has_color("icon_color_disabled"))
- color_icon = get_color("icon_color_disabled");
- } break;
- }
- if (has_focus()) {
- Ref<StyleBox> style = get_stylebox("focus");
- style->draw(ci, Rect2(Point2(), size));
- }
- Ref<Font> font = get_font("font");
- Ref<Texture> _icon;
- if (icon.is_null() && has_icon("icon"))
- _icon = Control::get_icon("icon");
- else
- _icon = icon;
- Point2 icon_ofs = (!_icon.is_null()) ? Point2(_icon->get_width() + get_constant("hseparation"), 0) : Point2();
- int text_clip = size.width - style->get_minimum_size().width - icon_ofs.width;
- Point2 text_ofs = (size - style->get_minimum_size() - icon_ofs - font->get_string_size(xl_text)) / 2.0;
- switch (align) {
- case ALIGN_LEFT: {
- text_ofs.x = style->get_margin(MARGIN_LEFT) + icon_ofs.x;
- text_ofs.y += style->get_offset().y;
- } break;
- case ALIGN_CENTER: {
- if (text_ofs.x < 0)
- text_ofs.x = 0;
- text_ofs += icon_ofs;
- text_ofs += style->get_offset();
- } break;
- case ALIGN_RIGHT: {
- text_ofs.x = size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size(xl_text).x;
- text_ofs.y += style->get_offset().y;
- } break;
- }
- text_ofs.y += font->get_ascent();
- font->draw(ci, text_ofs.floor(), xl_text, color, clip_text ? text_clip : -1);
- if (!_icon.is_null()) {
- int valign = size.height - style->get_minimum_size().y;
- if (is_disabled())
- color_icon.a = 0.4;
- _icon->draw(ci, style->get_offset() + Point2(0, Math::floor((valign - _icon->get_height()) / 2.0)), color_icon);
- }
- }
- }
- void Button::set_text(const String &p_text) {
- if (text == p_text)
- return;
- text = p_text;
- xl_text = tr(p_text);
- update();
- _change_notify("text");
- minimum_size_changed();
- }
- String Button::get_text() const {
- return text;
- }
- void Button::set_icon(const Ref<Texture> &p_icon) {
- if (icon == p_icon)
- return;
- icon = p_icon;
- update();
- _change_notify("icon");
- minimum_size_changed();
- }
- Ref<Texture> Button::get_icon() const {
- return icon;
- }
- void Button::set_flat(bool p_flat) {
- flat = p_flat;
- update();
- _change_notify("flat");
- }
- bool Button::is_flat() const {
- return flat;
- }
- void Button::set_clip_text(bool p_clip_text) {
- clip_text = p_clip_text;
- update();
- minimum_size_changed();
- }
- bool Button::get_clip_text() const {
- return clip_text;
- }
- void Button::set_text_align(TextAlign p_align) {
- align = p_align;
- update();
- }
- Button::TextAlign Button::get_text_align() const {
- return align;
- }
- void Button::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_text", "text"), &Button::set_text);
- ClassDB::bind_method(D_METHOD("get_text"), &Button::get_text);
- ClassDB::bind_method(D_METHOD("set_button_icon", "texture"), &Button::set_icon);
- ClassDB::bind_method(D_METHOD("get_button_icon"), &Button::get_icon);
- ClassDB::bind_method(D_METHOD("set_flat", "enabled"), &Button::set_flat);
- ClassDB::bind_method(D_METHOD("set_clip_text", "enabled"), &Button::set_clip_text);
- ClassDB::bind_method(D_METHOD("get_clip_text"), &Button::get_clip_text);
- ClassDB::bind_method(D_METHOD("set_text_align", "align"), &Button::set_text_align);
- ClassDB::bind_method(D_METHOD("get_text_align"), &Button::get_text_align);
- ClassDB::bind_method(D_METHOD("is_flat"), &Button::is_flat);
- BIND_ENUM_CONSTANT(ALIGN_LEFT);
- BIND_ENUM_CONSTANT(ALIGN_CENTER);
- BIND_ENUM_CONSTANT(ALIGN_RIGHT);
- ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text");
- ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_button_icon", "get_button_icon");
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
- ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "get_clip_text");
- ADD_PROPERTYNO(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_text_align", "get_text_align");
- }
- Button::Button(const String &p_text) {
- flat = false;
- clip_text = false;
- set_mouse_filter(MOUSE_FILTER_STOP);
- set_text(p_text);
- align = ALIGN_CENTER;
- }
- Button::~Button() {
- }
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