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authorBent Bisballe Nyeng <deva@aasimon.org>2013-03-22 22:04:49 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2013-03-22 22:04:49 +0100
commit62019ffba459ec76f846518c78b2178622efe491 (patch)
treee088ce8efab141ea2f7ec0ba6712ab95e7a8c03f /plugingui
parent75491ae08b645e784b260b2d28e246a441de7f32 (diff)
Accumulate scroll wheel events in X11.
Diffstat (limited to 'plugingui')
-rw-r--r--plugingui/eventhandler.cc11
1 files changed, 10 insertions, 1 deletions
diff --git a/plugingui/eventhandler.cc b/plugingui/eventhandler.cc
index 1953da2..1cf67fc 100644
--- a/plugingui/eventhandler.cc
+++ b/plugingui/eventhandler.cc
@@ -327,11 +327,20 @@ GUI::Event *GUI::EventHandler::getNextEvent()
if(xe.type == ButtonPress || xe.type == ButtonRelease) {
if(xe.xbutton.button == 4 || xe.xbutton.button == 5) {
+ int scroll = 1;
+ while(true) { // Hack to make sure only the last event is played.
+ if(!hasEvent()) break;
+ XEvent nxe;
+ XPeekEvent(gctx->display, &nxe);
+ if(nxe.type != ButtonPress && nxe.type != ButtonRelease) break;
+ scroll += 1;
+ XNextEvent(gctx->display, &xe);
+ }
ScrollEvent *e = new ScrollEvent();
e->window_id = xe.xbutton.window;
e->x = xe.xbutton.x;
e->y = xe.xbutton.y;
- e->delta = xe.xbutton.button==4?-1:1;
+ e->delta = scroll * (xe.xbutton.button==4?-1:1);
event = e;
} else {
ButtonEvent *e = new ButtonEvent();