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Refactor GUI rendering model to be two-phased.

Browse source 
Instead of clients painting whenever they feel like it, we now ask that they
paint in response to a paint message.

After finishing painting, clients notify the WindowServer about the rect(s)
they painted into and then flush eventually happens, etc.

This stuff leaves us with a lot of badly named things. Need to fix that.
This commit is contained in:
Andreas Kling 2019-01-26 05:20:32 +01:00
parent 3a401d5249
commit 7cf3c7461c
16 changed files with 117 additions and 40 deletions
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17
LibGUI/GWindow.cpp
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@ -49,11 +49,18 @@ GWindow::~GWindow()
void GWindow::set_title(String&& title)
{
dbgprintf("GWindow::set_title \"%s\"\n", title.characters());
GUI_WindowParameters params;
int rc = gui_set_window_title(m_window_id, title.characters(), title.length());
ASSERT(rc == 0);
}
String GWindow::title() const
{
char buffer[256];
int rc = gui_get_window_title(m_window_id, buffer, sizeof(buffer));
ASSERT(rc >= 0);
return String(buffer, rc);
}
void GWindow::set_rect(const Rect& a_rect)
{
dbgprintf("GWindow::set_rect! %d,%d %dx%d\n", a_rect.x(), a_rect.y(), a_rect.width(), a_rect.height());
@ -85,7 +92,7 @@ void GWindow::event(GEvent& event)
rect = m_main_widget->rect();
m_main_widget->event(*make<GPaintEvent>(rect));
GUI_Rect gui_rect = rect;
int rc = gui_invalidate_window(m_window_id, &gui_rect);
int rc = gui_notify_paint_finished(m_window_id, &gui_rect);
ASSERT(rc == 0);
}
@ -105,9 +112,11 @@ void GWindow::show()
{
}
void GWindow::update()
void GWindow::update(const Rect& a_rect)
{
GEventLoop::main().post_event(this, make<GPaintEvent>());
GUI_Rect rect = a_rect;
int rc = gui_invalidate_window(m_window_id, a_rect.is_null() ? nullptr : &rect);
ASSERT(rc == 0);
}
void GWindow::set_main_widget(GWidget* widget)