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WindowServer: Show downscaled window thumbnails in the window switcher.

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This commit is contained in:
Andreas Kling 2019-05-12 04:15:25 +02:00
parent 641d55c7ef
commit 23e6c45e87
3 changed files with 38 additions and 4 deletions
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31
Servers/WindowServer/WSWindowSwitcher.cpp
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@ -2,9 +2,19 @@
#include <WindowServer/WSWindowManager.h>
#include <WindowServer/WSEvent.h>
#include <SharedGraphics/Font.h>
#include <SharedGraphics/StylePainter.h>
static WSWindowSwitcher* s_the;
WSWindowSwitcher& WSWindowSwitcher::the()
{
ASSERT(s_the);
return *s_the;
}
WSWindowSwitcher::WSWindowSwitcher()
{
s_the = this;
}
WSWindowSwitcher::~WSWindowSwitcher()
@ -80,8 +90,15 @@ void WSWindowSwitcher::draw()
rect_text_color = Color::MidGray;
}
item_rect.shrink(item_padding(), 0);
painter.blit(item_rect.location().translated(0, (item_rect.height() - window.icon().height()) / 2), window.icon(), window.icon().rect());
painter.draw_text(item_rect.translated(window.icon().width() + 4, 0), window.title(), WSWindowManager::the().window_title_font(), TextAlignment::CenterLeft, text_color);
Rect thumbnail_rect = { item_rect.location().translated(0, 5), { thumbnail_width(), thumbnail_height() } };
if (window.backing_store()) {
painter.draw_scaled_bitmap(thumbnail_rect, *window.backing_store(), window.backing_store()->rect());
StylePainter::paint_frame(painter, thumbnail_rect.inflated(4, 4), FrameShape::Container, FrameShadow::Sunken, 2);
}
Rect icon_rect = { thumbnail_rect.bottom_right().translated(-window.icon().width(), -window.icon().height()), { window.icon().width(), window.icon().height() } };
painter.fill_rect(icon_rect, Color::LightGray);
painter.blit(icon_rect.location(), window.icon(), window.icon().rect());
painter.draw_text(item_rect.translated(thumbnail_width() + 12, 0), window.title(), WSWindowManager::the().window_title_font(), TextAlignment::CenterLeft, text_color);
painter.draw_text(item_rect, window.rect().to_string(), TextAlignment::CenterRight, rect_text_color);
}
}
@ -108,7 +125,7 @@ void WSWindowSwitcher::refresh()
return;
}
int space_for_window_rect = 180;
m_rect.set_width(longest_title_width + space_for_window_rect + padding() * 2 + item_padding() * 2);
m_rect.set_width(thumbnail_width() + longest_title_width + space_for_window_rect + padding() * 2 + item_padding() * 2);
m_rect.set_height(window_count * item_height() + padding() * 2);
m_rect.center_within(WSWindowManager::the().m_screen_rect);
if (!m_switcher_window)
@ -116,3 +133,11 @@ void WSWindowSwitcher::refresh()
m_switcher_window->set_rect(m_rect);
draw();
}
void WSWindowSwitcher::refresh_if_needed()
{
if (m_visible) {
refresh();
WSWindowManager::the().invalidate(m_rect);
}
}