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huge redraw optimization

This commit is contained in:
Adam D. Ruppe 2017-04-05 23:29:58 -04:00
parent 86fb5ba6ee
commit 9deb9d0801
1 changed files with 21 additions and 1 deletions
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22
minigui.d
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@ -1226,7 +1226,23 @@ class Widget {
child.privatePaint(painter, painter.originX, painter.originY);
}
void redraw() {
static class RedrawEvent {}
__gshared re = new RedrawEvent();
private bool redrawRequested;
final void redraw() {
redrawRequested = true;
if(this.parentWindow) {
auto sw = this.parentWindow.win;
assert(sw !is null);
if(!sw.eventQueued!RedrawEvent)
sw.postEvent(re);
}
}
void actualRedraw() {
redrawRequested = false;
if(!showing) return;
assert(parentWindow !is null);
@ -1984,6 +2000,10 @@ class Window : Widget {
super(null);
this.win = win;
win.addEventListener((Widget.RedrawEvent) {
this.actualRedraw();
});
this.width = win.width;
this.height = win.height;
this.parentWindow = this;