/* * DISTRHO Plugin Framework (DPF) * Copyright (C) 2012-2019 Filipe Coelho * * Permission to use, copy, modify, and/or distribute this software for any purpose with * or without fee is hereby granted, provided that the above copyright notice and this * permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "DemoWidgetClickable.hpp" #include "Cairo.hpp" #include "Window.hpp" DemoWidgetClickable::DemoWidgetClickable(Widget* group) : Widget(group) { } void DemoWidgetClickable::onDisplay() { cairo_t* cr = getParentWindow().getGraphicsContext().cairo; Point pt = getAbsolutePos(); Size sz = getSize(); int x = pt.getX(); int y = pt.getY(); int w = sz.getWidth(); int h = sz.getHeight(); switch (fColorId) { 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) { int w = getWidth(); int h = getHeight(); int mx = event.pos.getX(); int my = event.pos.getY(); bool inside = mx >= 0 && my >= 0 && mx < w && my < h; if (inside) { fColorId = (fColorId + 1) % 3; repaint(); } } return Widget::onMouse(event); }