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https://github.com/RGBCube/serenity
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LibGUI+Applications: Move abstract ThemeEditor preview to LibGUI
This allows most of the theme preview code to be reused by similar theme preview widgets.
This commit is contained in:
Ben Maxwell
Andreas Kling
parent
0f2c1f804e
commit
3fbefb82ac
5 changed files with 256 additions and 167 deletions
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@ -79,149 +79,29 @@ private:
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RefPtr<GUI::Statusbar> m_statusbar;
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};
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PreviewWidget::PreviewWidget(Gfx::Palette const& preview_palette)
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: m_preview_palette(preview_palette)
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PreviewWidget::PreviewWidget(Gfx::Palette const& initial_preview_palette)
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: GUI::AbstractThemePreview(initial_preview_palette)
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{
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m_active_window_icon = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/window.png").release_value_but_fixme_should_propagate_errors();
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m_inactive_window_icon = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/window.png").release_value_but_fixme_should_propagate_errors();
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m_default_close_bitmap = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/window-close.png").release_value_but_fixme_should_propagate_errors();
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m_default_maximize_bitmap = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/upward-triangle.png").release_value_but_fixme_should_propagate_errors();
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m_default_minimize_bitmap = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/downward-triangle.png").release_value_but_fixme_should_propagate_errors();
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VERIFY(m_active_window_icon);
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VERIFY(m_inactive_window_icon);
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VERIFY(m_default_close_bitmap);
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VERIFY(m_default_maximize_bitmap);
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VERIFY(m_default_minimize_bitmap);
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load_theme_bitmaps();
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on_palette_change = [&] {
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m_gallery->set_preview_palette(preview_palette());
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};
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m_gallery = add<MiniWidgetGallery>();
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set_greedy_for_hits(true);
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}
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void PreviewWidget::load_theme_bitmaps()
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{
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auto load_bitmap = [](String const& path, String& last_path, RefPtr<Gfx::Bitmap>& bitmap) {
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bitmap = nullptr;
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if (path.is_empty()) {
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last_path = String::empty();
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} else if (last_path != path) {
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auto bitmap_or_error = Gfx::Bitmap::try_load_from_file(path);
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if (bitmap_or_error.is_error()) {
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last_path = String::empty();
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} else {
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last_path = path;
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bitmap = bitmap_or_error.release_value();
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}
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}
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};
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auto buttons_path = m_preview_palette.title_button_icons_path();
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load_bitmap(LexicalPath::absolute_path(buttons_path, "window-close.png"), m_last_close_path, m_close_bitmap);
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load_bitmap(LexicalPath::absolute_path(buttons_path, "window-maximize.png"), m_last_maximize_path, m_maximize_bitmap);
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load_bitmap(LexicalPath::absolute_path(buttons_path, "window-minimize.png"), m_last_minimize_path, m_minimize_bitmap);
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load_bitmap(m_preview_palette.active_window_shadow_path(), m_last_active_window_shadow_path, m_active_window_shadow);
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load_bitmap(m_preview_palette.inactive_window_shadow_path(), m_last_inactive_window_shadow_path, m_inactive_window_shadow);
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load_bitmap(m_preview_palette.menu_shadow_path(), m_last_menu_shadow_path, m_menu_shadow);
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load_bitmap(m_preview_palette.taskbar_shadow_path(), m_last_taskbar_shadow_path, m_taskbar_shadow);
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load_bitmap(m_preview_palette.tooltip_shadow_path(), m_last_tooltip_shadow_path, m_tooltip_shadow);
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}
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void PreviewWidget::set_preview_palette(Gfx::Palette const& palette)
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{
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m_preview_palette = palette;
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m_gallery->set_preview_palette(palette);
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load_theme_bitmaps();
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update();
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}
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void PreviewWidget::set_theme_from_file(Core::File& file)
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{
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auto config_file = Core::ConfigFile::open(file.filename(), file.leak_fd()).release_value_but_fixme_should_propagate_errors();
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auto theme = Gfx::load_system_theme(config_file);
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VERIFY(theme.is_valid());
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m_preview_palette = Gfx::Palette(Gfx::PaletteImpl::create_with_anonymous_buffer(theme));
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set_preview_palette(m_preview_palette);
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if (on_theme_load_from_file)
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on_theme_load_from_file(file.filename());
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}
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void PreviewWidget::set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter> color_filter)
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{
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m_color_filter = move(color_filter);
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repaint();
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}
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void PreviewWidget::paint_event(GUI::PaintEvent& event)
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void PreviewWidget::paint_preview(GUI::PaintEvent&)
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{
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GUI::Frame::paint_event(event);
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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painter.add_clip_rect(frame_inner_rect());
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painter.fill_rect(frame_inner_rect(), m_preview_palette.desktop_background());
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struct Button {
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Gfx::IntRect rect;
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RefPtr<Gfx::Bitmap> bitmap;
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};
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auto paint_window = [&](auto& title, Gfx::IntRect const& rect, auto state, Gfx::Bitmap const& icon) {
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int window_button_width = m_preview_palette.window_title_button_width();
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int window_button_height = m_preview_palette.window_title_button_height();
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auto titlebar_text_rect = Gfx::WindowTheme::current().titlebar_text_rect(Gfx::WindowTheme::WindowType::Normal, rect, m_preview_palette);
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int pos = titlebar_text_rect.right() + 1;
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Vector<Button> buttons;
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buttons.append(Button { {}, m_close_bitmap.is_null() ? m_default_close_bitmap : m_close_bitmap });
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buttons.append(Button { {}, m_maximize_bitmap.is_null() ? m_default_maximize_bitmap : m_maximize_bitmap });
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buttons.append(Button { {}, m_minimize_bitmap.is_null() ? m_default_minimize_bitmap : m_minimize_bitmap });
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for (auto& button : buttons) {
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pos -= window_button_width;
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Gfx::IntRect button_rect { pos, 0, window_button_width, window_button_height };
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button_rect.center_vertically_within(titlebar_text_rect);
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button.rect = button_rect;
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}
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painter.fill_rect(rect, m_preview_palette.window());
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auto frame_rect = Gfx::WindowTheme::current().frame_rect_for_window(Gfx::WindowTheme::WindowType::Normal, rect, m_preview_palette, 0);
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auto paint_shadow = [](Gfx::Painter& painter, Gfx::IntRect& frame_rect, Gfx::Bitmap const& shadow_bitmap) {
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auto total_shadow_size = shadow_bitmap.height();
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auto shadow_rect = frame_rect.inflated(total_shadow_size, total_shadow_size);
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Gfx::StylePainter::paint_simple_rect_shadow(painter, shadow_rect, shadow_bitmap);
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};
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if (state == Gfx::WindowTheme::WindowState::Active && m_active_window_shadow) {
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paint_shadow(painter, frame_rect, *m_active_window_shadow);
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} else if (state == Gfx::WindowTheme::WindowState::Inactive && m_inactive_window_shadow) {
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paint_shadow(painter, frame_rect, *m_inactive_window_shadow);
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}
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Gfx::PainterStateSaver saver(painter);
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painter.translate(frame_rect.location());
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Gfx::WindowTheme::current().paint_normal_frame(painter, state, rect, title, icon, m_preview_palette, buttons.last().rect, 0, false);
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for (auto& button : buttons) {
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Gfx::StylePainter::paint_button(painter, button.rect, m_preview_palette, Gfx::ButtonStyle::Normal, false);
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auto bitmap_rect = button.bitmap->rect().centered_within(button.rect);
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painter.blit(bitmap_rect.location(), *button.bitmap, button.bitmap->rect());
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}
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};
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auto active_rect = Gfx::IntRect(0, 0, 320, 240).centered_within(frame_inner_rect()).translated(0, 20);
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auto inactive_rect = active_rect.translated(-20, -20);
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paint_window("Inactive window", inactive_rect, Gfx::WindowTheme::WindowState::Inactive, *m_active_window_icon);
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paint_window("Active window", active_rect, Gfx::WindowTheme::WindowState::Active, *m_inactive_window_icon);
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paint_window("Inactive window", inactive_rect, Gfx::WindowTheme::WindowState::Inactive, active_window_icon());
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paint_window("Active window", active_rect, Gfx::WindowTheme::WindowState::Active, inactive_window_icon());
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}
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void PreviewWidget::second_paint_event(GUI::PaintEvent&)
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