Cardie/libs/libinterface/Divider.cpp

/*
 * Copyright 2009-2010, Pier Luigi Fiorini. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Pier Luigi Fiorini, pierluigi.fiorini@gmail.com
 */

#include <Message.h>

#include "Divider.h"

const float kResizeWidgetRatio = 0.1f;
const float kResizeWidgetPadding = 2.0f;
const float kResizeWidgetCircleRadius = 2.0f;
const float kResizeWidgetSpacing = 10.0f;
const int kResizeWidgetCircleCount = 2;


Divider::Divider(const char* name, uint32 flags)
	: BView(name, flags),
	fOrient(B_HORIZONTAL)
{
	SetViewColor (ui_color (B_PANEL_BACKGROUND_COLOR));
}
 

Divider::Divider(BMessage* archive)
	: BView(archive)
{
	if (archive->FindInt32("orientation", (int32*)&fOrient) != B_OK)
		fOrient = B_HORIZONTAL;
}
 

Divider::~Divider()
{
}


void
Divider::Draw(BRect updateRect)
{
	BRect bounds = Bounds();

	rgb_color view_color = ViewColor();

	rgb_color line = tint_color(view_color, B_DARKEN_1_TINT);
	rgb_color shadow = tint_color(view_color, B_DARKEN_2_TINT);

	PushState();

	SetHighColor(view_color);
	FillRect(bounds);

	if (fOrient == B_HORIZONTAL) {
		BPoint left(bounds.left, (bounds.Height() / 2) + bounds.top);
		BPoint right(bounds.right, left.y);

		BPoint fudge(PenSize(), PenSize());

		left -= fudge;
		right -= fudge;
		SetHighColor(line);
		StrokeLine(left, right);

		left += fudge;
		right += fudge;
		SetHighColor(shadow);
		StrokeLine(left, right);
	} else {
		BPoint top((bounds.Width() / 2) + bounds.left, bounds.top);
		BPoint bottom(top.x, bounds.bottom);

		BPoint fudge(PenSize(), PenSize());

		top -= fudge;
		bottom -= fudge;		
		SetHighColor(line);
		StrokeLine(top, bottom);

		top += fudge;
		bottom += fudge;
		SetHighColor(shadow);
		StrokeLine(top, bottom);
	}

	PopState();
}


void
Divider::GetPreferredSize(float* width, float* height)
{
	if (fOrient == B_HORIZONTAL) {
		*width = Bounds().Width();
		*height = (PenSize() * 4);	// Two widths for padding (either side) + line + shadow
	} else {
		*height = Bounds().Height();
		*width = (PenSize() * 4);	// Two widths for padding (either side) + line + shadow
	}
}


status_t
Divider::Archive(BMessage* archive, bool deep) const
{
	archive->AddInt32("orientation", fOrient);
	return BView::Archive(archive, false);
}


BArchivable*
Divider::Instantiate(BMessage* archive)
{
	BArchivable *instance = NULL;

	if (validate_instantiation(archive, "Divider"))
		instance = new Divider(archive);

	return instance;
}


orientation
Divider::Orientation()
{
	return fOrient;
}


void
Divider::Orientation(orientation orient)
{
	fOrient = orient;
}