mirror of https://github.com/aseprite/aseprite.git
81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
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// Aseprite
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// Copyright (c) 2022 Igara Studio S.A.
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#include "app/script/canvas_widget.h"
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#include "app/ui/skin/skin_theme.h"
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#include "os/system.h"
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#include "ui/message.h"
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#include "ui/paint_event.h"
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#include "ui/resize_event.h"
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#include "ui/size_hint_event.h"
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#ifdef ENABLE_UI
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namespace app {
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namespace script {
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// static
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ui::WidgetType Canvas::Type()
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{
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static ui::WidgetType type = ui::kGenericWidget;
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if (type == ui::kGenericWidget)
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type = ui::register_widget_type();
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return type;
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}
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Canvas::Canvas() : ui::Widget(Type())
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{
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}
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void Canvas::onInitTheme(ui::InitThemeEvent& ev)
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{
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Widget::onInitTheme(ev);
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gfx::Color bg;
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if (auto theme = skin::SkinTheme::get(this))
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bg = theme->colors.windowFace();
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else
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bg = gfx::rgba(0, 0, 0);
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setBgColor(bg);
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}
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void Canvas::onResize(ui::ResizeEvent& ev)
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{
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Widget::onResize(ev);
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if (os::instance() && !ev.bounds().isEmpty()) {
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const int w = ev.bounds().w;
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const int h = ev.bounds().h;
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if (!m_surface ||
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m_surface->width() != w ||
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m_surface->height() != h) {
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m_surface = os::instance()->makeSurface(w, h);
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os::Paint p;
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p.color(bgColor());
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m_surface->drawRect(m_surface->bounds(), p);
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}
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}
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else
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m_surface.reset();
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}
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void Canvas::onPaint(ui::PaintEvent& ev)
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{
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Paint(ev);
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auto g = ev.graphics();
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const gfx::Rect rc = clientBounds();
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if (m_surface)
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g->drawSurface(m_surface.get(), rc.x, rc.y);
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}
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} // namespace script
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} // namespace app
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#endif // ENABLE_UI
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