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6a012ad79f
Instead use default_font().bold_variant() in cases where we want a bold variant of the default font. :^)
251 lines
12 KiB
C++
251 lines
12 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/ClassicWindowTheme.h>
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#include <LibGfx/FontDatabase.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/StylePainter.h>
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namespace Gfx {
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static constexpr int menubar_height = 20;
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ClassicWindowTheme::ClassicWindowTheme()
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{
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}
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ClassicWindowTheme::~ClassicWindowTheme()
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{
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}
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Gfx::IntRect ClassicWindowTheme::titlebar_icon_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette) const
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{
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if (window_type == WindowType::ToolWindow)
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return {};
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auto titlebar_rect = this->titlebar_rect(window_type, window_rect, palette);
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Gfx::IntRect icon_rect {
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titlebar_rect.x() + 2,
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titlebar_rect.y(),
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16,
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16,
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};
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icon_rect.center_vertically_within(titlebar_rect);
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icon_rect.translate_by(0, 1);
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return icon_rect;
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}
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Gfx::IntRect ClassicWindowTheme::titlebar_text_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette) const
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{
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auto titlebar_rect = this->titlebar_rect(window_type, window_rect, palette);
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auto titlebar_icon_rect = this->titlebar_icon_rect(window_type, window_rect, palette);
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return {
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titlebar_rect.x() + 3 + (titlebar_icon_rect.is_empty() ? 0 : (titlebar_icon_rect.width() + 2)),
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titlebar_rect.y(),
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titlebar_rect.width() - 5 - (titlebar_icon_rect.is_empty() ? 0 : (titlebar_icon_rect.width() + 2)),
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titlebar_rect.height()
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};
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}
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void ClassicWindowTheme::paint_normal_frame(Painter& painter, WindowState window_state, const IntRect& window_rect, const StringView& window_title, const Bitmap& icon, const Palette& palette, const IntRect& leftmost_button_rect, int menu_row_count, [[maybe_unused]] bool window_modified) const
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{
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auto frame_rect = frame_rect_for_window(WindowType::Normal, window_rect, palette, menu_row_count);
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frame_rect.set_location({ 0, 0 });
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Gfx::StylePainter::paint_window_frame(painter, frame_rect, palette);
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auto& title_font = FontDatabase::default_font().bold_variant();
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auto titlebar_rect = this->titlebar_rect(WindowType::Normal, window_rect, palette);
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auto titlebar_icon_rect = this->titlebar_icon_rect(WindowType::Normal, window_rect, palette);
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auto titlebar_inner_rect = titlebar_text_rect(WindowType::Normal, window_rect, palette);
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auto titlebar_title_rect = titlebar_inner_rect;
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titlebar_title_rect.set_width(title_font.width(window_title));
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auto [title_color, border_color, border_color2, stripes_color, shadow_color] = compute_frame_colors(window_state, palette);
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painter.draw_line(titlebar_rect.bottom_left().translated(0, 1), titlebar_rect.bottom_right().translated(0, 1), palette.button());
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painter.draw_line(titlebar_rect.bottom_left().translated(0, 2), titlebar_rect.bottom_right().translated(0, 2), palette.button());
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painter.fill_rect_with_gradient(titlebar_rect, border_color, border_color2);
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int stripe_right = leftmost_button_rect.left() - 3;
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if (stripes_color.alpha() > 0) {
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int stripe_left = titlebar_title_rect.right() + 5;
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if (stripe_left && stripe_right && stripe_left < stripe_right) {
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for (int i = 2; i <= titlebar_inner_rect.height() - 2; i += 2) {
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painter.draw_line({ stripe_left, titlebar_inner_rect.y() + i }, { stripe_right, titlebar_inner_rect.y() + i }, stripes_color);
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}
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}
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}
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auto clipped_title_rect = titlebar_title_rect;
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clipped_title_rect.set_width(stripe_right - clipped_title_rect.x());
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if (!clipped_title_rect.is_empty()) {
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painter.draw_text(clipped_title_rect.translated(1, 2), window_title, title_font, Gfx::TextAlignment::CenterLeft, shadow_color, Gfx::TextElision::Right);
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// FIXME: The translated(0, 1) wouldn't be necessary if we could center text based on its baseline.
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painter.draw_text(clipped_title_rect.translated(0, 1), window_title, title_font, Gfx::TextAlignment::CenterLeft, title_color, Gfx::TextElision::Right);
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}
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painter.draw_scaled_bitmap(titlebar_icon_rect, icon, icon.rect());
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}
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void ClassicWindowTheme::paint_tool_window_frame(Painter& painter, WindowState window_state, const IntRect& window_rect, const StringView& title_text, const Palette& palette, const IntRect& leftmost_button_rect) const
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{
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auto frame_rect = frame_rect_for_window(WindowType::ToolWindow, window_rect, palette, 0);
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frame_rect.set_location({ 0, 0 });
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Gfx::StylePainter::paint_window_frame(painter, frame_rect, palette);
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auto& title_font = FontDatabase::default_font().bold_variant();
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auto titlebar_rect = this->titlebar_rect(WindowType::ToolWindow, window_rect, palette);
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auto titlebar_inner_rect = titlebar_text_rect(WindowType::ToolWindow, window_rect, palette);
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auto titlebar_title_rect = titlebar_inner_rect;
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titlebar_title_rect.set_width(title_font.width(title_text));
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auto [title_color, border_color, border_color2, stripes_color, shadow_color] = compute_frame_colors(window_state, palette);
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painter.draw_line(titlebar_rect.bottom_left().translated(0, 1), titlebar_rect.bottom_right().translated(0, 1), palette.button());
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painter.draw_line(titlebar_rect.bottom_left().translated(0, 2), titlebar_rect.bottom_right().translated(0, 2), palette.button());
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painter.fill_rect_with_gradient(titlebar_rect, border_color, border_color2);
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int stripe_right = leftmost_button_rect.left() - 3;
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auto clipped_title_rect = titlebar_title_rect;
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clipped_title_rect.set_width(stripe_right - clipped_title_rect.x());
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if (!clipped_title_rect.is_empty()) {
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painter.draw_text(clipped_title_rect.translated(1, 2), title_text, title_font, Gfx::TextAlignment::CenterLeft, shadow_color, Gfx::TextElision::Right);
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// FIXME: The translated(0, 1) wouldn't be necessary if we could center text based on its baseline.
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painter.draw_text(clipped_title_rect.translated(0, 1), title_text, title_font, Gfx::TextAlignment::CenterLeft, title_color, Gfx::TextElision::Right);
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}
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}
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IntRect ClassicWindowTheme::menubar_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette, int menu_row_count) const
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{
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if (window_type != WindowType::Normal)
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return {};
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return { 4, 3 + titlebar_height(window_type, palette) + 2, window_rect.width(), menubar_height * menu_row_count };
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}
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IntRect ClassicWindowTheme::titlebar_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette) const
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{
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auto& title_font = FontDatabase::default_font().bold_variant();
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auto window_titlebar_height = titlebar_height(window_type, palette);
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// FIXME: The top of the titlebar doesn't get redrawn properly if this padding is different
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int total_vertical_padding = title_font.glyph_height() - 1;
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if (window_type == WindowType::Notification)
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return { window_rect.width() + 3, total_vertical_padding / 2 - 1, window_titlebar_height, window_rect.height() };
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return { 4, 4, window_rect.width(), window_titlebar_height };
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}
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ClassicWindowTheme::FrameColors ClassicWindowTheme::compute_frame_colors(WindowState state, const Palette& palette) const
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{
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switch (state) {
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case WindowState::Highlighted:
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return { palette.highlight_window_title(), palette.highlight_window_border1(), palette.highlight_window_border2(), palette.highlight_window_title_stripes(), palette.highlight_window_title_shadow() };
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case WindowState::Moving:
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return { palette.moving_window_title(), palette.moving_window_border1(), palette.moving_window_border2(), palette.moving_window_title_stripes(), palette.moving_window_title_shadow() };
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case WindowState::Active:
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return { palette.active_window_title(), palette.active_window_border1(), palette.active_window_border2(), palette.active_window_title_stripes(), palette.active_window_title_shadow() };
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case WindowState::Inactive:
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return { palette.inactive_window_title(), palette.inactive_window_border1(), palette.inactive_window_border2(), palette.inactive_window_title_stripes(), palette.inactive_window_title_shadow() };
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default:
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VERIFY_NOT_REACHED();
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}
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}
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void ClassicWindowTheme::paint_notification_frame(Painter& painter, const IntRect& window_rect, const Palette& palette, const IntRect& close_button_rect) const
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{
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auto frame_rect = frame_rect_for_window(WindowType::Notification, window_rect, palette, 0);
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frame_rect.set_location({ 0, 0 });
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Gfx::StylePainter::paint_window_frame(painter, frame_rect, palette);
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auto titlebar_rect = this->titlebar_rect(WindowType::Notification, window_rect, palette);
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painter.fill_rect_with_gradient(Gfx::Orientation::Vertical, titlebar_rect, palette.active_window_border1(), palette.active_window_border2());
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if (palette.active_window_title_stripes().alpha() > 0) {
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int stripe_top = close_button_rect.bottom() + 4;
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int stripe_bottom = window_rect.height() - 3;
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if (stripe_top && stripe_bottom && stripe_top < stripe_bottom) {
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for (int i = 2; i <= palette.window_title_height() - 2; i += 2) {
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painter.draw_line({ titlebar_rect.x() + i, stripe_top }, { titlebar_rect.x() + i, stripe_bottom }, palette.active_window_title_stripes());
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}
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}
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}
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}
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IntRect ClassicWindowTheme::frame_rect_for_window(WindowType window_type, const IntRect& window_rect, const Gfx::Palette& palette, int menu_row_count) const
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{
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auto window_titlebar_height = titlebar_height(window_type, palette);
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switch (window_type) {
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case WindowType::Normal:
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case WindowType::ToolWindow:
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return {
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window_rect.x() - 4,
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window_rect.y() - window_titlebar_height - 5 - menu_row_count * menubar_height,
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window_rect.width() + 8,
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window_rect.height() + 9 + window_titlebar_height + menu_row_count * menubar_height
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};
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case WindowType::Notification:
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return {
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window_rect.x() - 3,
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window_rect.y() - 3,
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window_rect.width() + 6 + window_titlebar_height,
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window_rect.height() + 6
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};
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default:
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return window_rect;
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}
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}
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Vector<IntRect> ClassicWindowTheme::layout_buttons(WindowType window_type, const IntRect& window_rect, const Palette& palette, size_t buttons) const
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{
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int window_button_width = palette.window_title_button_width();
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int window_button_height = palette.window_title_button_height();
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int pos;
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Vector<IntRect> button_rects;
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if (window_type == WindowType::Notification)
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pos = titlebar_rect(window_type, window_rect, palette).top() + 2;
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else
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pos = titlebar_text_rect(window_type, window_rect, palette).right() + 1;
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for (size_t i = 0; i < buttons; i++) {
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if (window_type == WindowType::Notification) {
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// The button height & width have to be equal or it leaks out of its area
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Gfx::IntRect rect { 0, pos, window_button_height, window_button_height };
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rect.center_horizontally_within(titlebar_rect(window_type, window_rect, palette));
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button_rects.append(rect);
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pos += window_button_height;
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} else {
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pos -= window_button_width;
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Gfx::IntRect rect { pos, 0, window_button_width, window_button_height };
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rect.center_vertically_within(titlebar_text_rect(window_type, window_rect, palette));
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button_rects.append(rect);
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}
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}
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return button_rects;
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}
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int ClassicWindowTheme::titlebar_height(WindowType window_type, const Palette& palette) const
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{
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auto& title_font = FontDatabase::default_font().bold_variant();
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switch (window_type) {
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case WindowType::Normal:
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case WindowType::Notification:
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return max(palette.window_title_height(), title_font.glyph_height() + 8);
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case WindowType::ToolWindow:
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return max(palette.window_title_height() - 4, title_font.glyph_height() + 4);
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default:
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return 0;
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}
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}
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}
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