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// Copyright Jean Pierre Cimalando 2018.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include "DemoWidgetClickable.h"
#include "Cairo.hpp"
#include "Window.hpp"
DemoWidgetClickable::DemoWidgetClickable(Widget *group)
: Widget(group)
{
}
void DemoWidgetClickable::onDisplay()
{
cairo_t *cr = getParentWindow().getGraphicsContext().cairo;
Point<int> pt = getAbsolutePos();
Size<uint> sz = getSize();
int x = pt.getX();
int y = pt.getY();
int w = sz.getWidth();
int h = sz.getHeight();
switch (colorid_) {
case 0:
cairo_set_source_rgb(cr, 0.75, 0.0, 0.0);
break;
case 1:
cairo_set_source_rgb(cr, 0.0, 0.75, 0.0);
break;
case 2:
cairo_set_source_rgb(cr, 0.0, 0.0, 0.75);
break;
}
cairo_rectangle(cr, x, y, w, h);
cairo_fill(cr);
cairo_set_source_rgb(cr, 0.9, 0.9, 0.9);
cairo_new_path(cr);
cairo_move_to(cr, x + 0.25 * w, y + 0.25 * h);
cairo_line_to(cr, x + 0.75 * w, y + 0.75 * h);
cairo_stroke(cr);
cairo_new_path(cr);
cairo_move_to(cr, x + 0.75 * w, y + 0.25 * h);
cairo_line_to(cr, x + 0.25 * w, y + 0.75 * h);
cairo_stroke(cr);
}
bool DemoWidgetClickable::onMouse(const MouseEvent &event)
{
if (event.press) {
Point<int> pos = getAbsolutePos();
Size<uint> size = getSize();
int mx = event.pos.getX();
int my = event.pos.getY();
int px = pos.getX();
int py = pos.getY();
bool inside = mx >= 0 && my >= 0 &&
mx < size.getWidth() && my < size.getHeight();
if (inside) {
colorid_ = (colorid_ + 1) % 3;
repaint();
}
}
return Widget::onMouse(event);
}
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