/* * Copyright (c) 2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include namespace Gfx { ClassicWindowTheme::ClassicWindowTheme() { } ClassicWindowTheme::~ClassicWindowTheme() { } Gfx::IntRect ClassicWindowTheme::title_bar_icon_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette) const { auto titlebar_rect = title_bar_rect(window_type, window_rect, palette); Gfx::IntRect icon_rect { titlebar_rect.x() + 2, titlebar_rect.y(), 16, 16, }; icon_rect.center_vertically_within(titlebar_rect); icon_rect.move_by(0, 1); return icon_rect; } Gfx::IntRect ClassicWindowTheme::title_bar_text_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette) const { auto titlebar_rect = title_bar_rect(window_type, window_rect, palette); auto titlebar_icon_rect = title_bar_icon_rect(window_type, window_rect, palette); return { titlebar_rect.x() + 3 + titlebar_icon_rect.width() + 2, titlebar_rect.y(), titlebar_rect.width() - 5 - titlebar_icon_rect.width() - 2, titlebar_rect.height() }; } void ClassicWindowTheme::paint_normal_frame(Painter& painter, WindowState window_state, const IntRect& window_rect, const StringView& title_text, const Bitmap& icon, const Palette& palette, const IntRect& leftmost_button_rect) const { auto frame_rect = frame_rect_for_window(WindowType::Normal, window_rect, palette); frame_rect.set_location({ 0, 0 }); Gfx::StylePainter::paint_window_frame(painter, frame_rect, palette); auto& title_font = Font::default_bold_font(); auto titlebar_rect = title_bar_rect(WindowType::Normal, window_rect, palette); auto titlebar_icon_rect = title_bar_icon_rect(WindowType::Normal, window_rect, palette); auto titlebar_inner_rect = title_bar_text_rect(WindowType::Normal, window_rect, palette); auto titlebar_title_rect = titlebar_inner_rect; titlebar_title_rect.set_width(Font::default_bold_font().width(title_text)); auto [title_color, border_color, border_color2, stripes_color, shadow_color] = compute_frame_colors(window_state, palette); painter.draw_line(titlebar_rect.bottom_left().translated(0, 1), titlebar_rect.bottom_right().translated(0, 1), palette.button()); painter.draw_line(titlebar_rect.bottom_left().translated(0, 2), titlebar_rect.bottom_right().translated(0, 2), palette.button()); painter.fill_rect_with_gradient(titlebar_rect, border_color, border_color2); int stripe_left = titlebar_title_rect.right() + 4; int stripe_right = leftmost_button_rect.left() - 3; if (stripe_left && stripe_right && stripe_left < stripe_right) { for (int i = 2; i <= titlebar_inner_rect.height() - 2; i += 2) { painter.draw_line({ stripe_left, titlebar_inner_rect.y() + i }, { stripe_right, titlebar_inner_rect.y() + i }, stripes_color); } } auto clipped_title_rect = titlebar_title_rect; clipped_title_rect.set_width(stripe_right - clipped_title_rect.x()); if (!clipped_title_rect.is_empty()) { painter.draw_text(clipped_title_rect.translated(1, 2), title_text, title_font, Gfx::TextAlignment::CenterLeft, shadow_color, Gfx::TextElision::Right); // FIXME: The translated(0, 1) wouldn't be necessary if we could center text based on its baseline. painter.draw_text(clipped_title_rect.translated(0, 1), title_text, title_font, Gfx::TextAlignment::CenterLeft, title_color, Gfx::TextElision::Right); } painter.blit(titlebar_icon_rect.location(), icon, icon.rect()); } IntRect ClassicWindowTheme::title_bar_rect(WindowType window_type, const IntRect& window_rect, const Palette& palette) const { auto& title_font = Font::default_bold_font(); auto window_titlebar_height = title_bar_height(palette); // FIXME: The top of the titlebar doesn't get redrawn properly if this padding is different int total_vertical_padding = title_font.glyph_height() - 1; if (window_type == WindowType::Notification) return { window_rect.width() + 3, total_vertical_padding / 2 - 1, window_titlebar_height, window_rect.height() }; return { 4, 4, window_rect.width(), window_titlebar_height }; } ClassicWindowTheme::FrameColors ClassicWindowTheme::compute_frame_colors(WindowState state, const Palette& palette) const { switch (state) { case WindowState::Highlighted: return { palette.highlight_window_title(), palette.highlight_window_border1(), palette.highlight_window_border2(), palette.highlight_window_title_stripes(), palette.highlight_window_title_shadow() }; case WindowState::Moving: return { palette.moving_window_title(), palette.moving_window_border1(), palette.moving_window_border2(), palette.moving_window_title_stripes(), palette.moving_window_title_shadow() }; case WindowState::Active: return { palette.active_window_title(), palette.active_window_border1(), palette.active_window_border2(), palette.active_window_title_stripes(), palette.active_window_title_shadow() }; case WindowState::Inactive: return { palette.inactive_window_title(), palette.inactive_window_border1(), palette.inactive_window_border2(), palette.inactive_window_title_stripes(), palette.inactive_window_title_shadow() }; default: ASSERT_NOT_REACHED(); } } void ClassicWindowTheme::paint_notification_frame(Painter& painter, const IntRect& window_rect, const Palette& palette, const IntRect& close_button_rect) const { auto frame_rect = frame_rect_for_window(WindowType::Notification, window_rect, palette); frame_rect.set_location({ 0, 0 }); Gfx::StylePainter::paint_window_frame(painter, frame_rect, palette); auto titlebar_rect = title_bar_rect(WindowType::Notification, window_rect, palette); painter.fill_rect_with_gradient(Gfx::Orientation::Vertical, titlebar_rect, palette.active_window_border1(), palette.active_window_border2()); int stripe_top = close_button_rect.bottom() + 4; int stripe_bottom = window_rect.height() - 3; if (stripe_top && stripe_bottom && stripe_top < stripe_bottom) { for (int i = 2; i <= palette.window_title_height() - 2; i += 2) { painter.draw_line({ titlebar_rect.x() + i, stripe_top }, { titlebar_rect.x() + i, stripe_bottom }, palette.active_window_title_stripes()); } } } IntRect ClassicWindowTheme::frame_rect_for_window(WindowType window_type, const IntRect& window_rect, const Gfx::Palette& palette) const { auto window_titlebar_height = title_bar_height(palette); switch (window_type) { case WindowType::Normal: return { window_rect.x() - 4, window_rect.y() - window_titlebar_height - 6, window_rect.width() + 8, window_rect.height() + 10 + window_titlebar_height }; case WindowType::Notification: return { window_rect.x() - 3, window_rect.y() - 3, window_rect.width() + 6 + window_titlebar_height, window_rect.height() + 6 }; default: return window_rect; } } Vector ClassicWindowTheme::layout_buttons(WindowType window_type, const IntRect& window_rect, const Palette& palette, size_t buttons) const { int window_button_width = palette.window_title_button_width(); int window_button_height = palette.window_title_button_height(); int pos; Vector button_rects; if (window_type == WindowType::Notification) pos = title_bar_rect(window_type, window_rect, palette).top() + 2; else pos = title_bar_text_rect(window_type, window_rect, palette).right() + 1; for (size_t i = 0; i < buttons; i++) { if (window_type == WindowType::Notification) { // The button height & width have to be equal or it leaks out of its area Gfx::IntRect rect { 0, pos, window_button_height, window_button_height }; rect.center_horizontally_within(title_bar_rect(window_type, window_rect, palette)); button_rects.append(rect); pos += window_button_height; } else { pos -= window_button_width; Gfx::IntRect rect { pos, 0, window_button_width, window_button_height }; rect.center_vertically_within(title_bar_text_rect(window_type, window_rect, palette)); button_rects.append(rect); } } return button_rects; } int ClassicWindowTheme::title_bar_height(const Palette& palette) const { auto& title_font = Font::default_bold_font(); return max(palette.window_title_height(), title_font.glyph_height() + 8); } }