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WindowServer+LibGUI: Pass window icons as shared buffers rather than paths.

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Now that we support more than 2 clients per shared buffer, we can use them
for window icons. I didn't do that previously since it would have made the
Taskbar process unable to access the icons.

This opens up some nice possibilities for programmatically generated icons.
This commit is contained in:
Andreas Kling 2019-07-28 10:18:49 +02:00
parent 63619b9f7c
commit 841b2e5d13
21 changed files with 193 additions and 19 deletions
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17
Applications/Taskbar/TaskbarWindow.cpp
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@ -1,5 +1,6 @@
#include "TaskbarWindow.h"
#include "TaskbarButton.h"
#include <LibC/SharedBuffer.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GButton.h>
#include <LibGUI/GDesktop.h>
@ -100,6 +101,22 @@ void TaskbarWindow::wm_event(GWMEvent& event)
break;
}
case GEvent::WM_WindowIconBitmapChanged: {
auto& changed_event = static_cast<GWMWindowIconBitmapChangedEvent&>(event);
#ifdef EVENT_DEBUG
dbgprintf("WM_WindowIconChanged: client_id=%d, window_id=%d, icon_buffer_id=%d\n",
changed_event.client_id(),
changed_event.window_id(),
changed_event.icon_buffer_id());
#endif
if (auto* window = WindowList::the().window(identifier)) {
auto buffer = SharedBuffer::create_from_shared_buffer_id(changed_event.icon_buffer_id());
ASSERT(buffer);
window->button()->set_icon(GraphicsBitmap::create_with_shared_buffer(GraphicsBitmap::Format::RGBA32, *buffer, changed_event.icon_size()));
}
break;
}
case GEvent::WM_WindowStateChanged: {
auto& changed_event = static_cast<GWMWindowStateChangedEvent&>(event);
#ifdef EVENT_DEBUG