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[Qemu-devel] [PULL 2/2] gtk: Add mouse wheel support
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PULL 2/2] gtk: Add mouse wheel support |
Date: |
Thu, 13 Mar 2014 11:38:49 +0100 |
From: Jan Kiszka <address@hidden>
Hook into scroll-event to properly forward mouse wheel movements to the
guest, just like we already do in SDL.
Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
ui/gtk.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/ui/gtk.c b/ui/gtk.c
index 1851495..c3ac448 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -683,6 +683,27 @@ static gboolean gd_button_event(GtkWidget *widget,
GdkEventButton *button,
return TRUE;
}
+static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
+ void *opaque)
+{
+ GtkDisplayState *s = opaque;
+ InputButton btn;
+
+ if (scroll->direction == GDK_SCROLL_UP) {
+ btn = INPUT_BUTTON_WHEEL_UP;
+ } else if (scroll->direction == GDK_SCROLL_DOWN) {
+ btn = INPUT_BUTTON_WHEEL_DOWN;
+ } else {
+ return TRUE;
+ }
+
+ qemu_input_queue_btn(s->dcl.con, btn, true);
+ qemu_input_event_sync();
+ qemu_input_queue_btn(s->dcl.con, btn, false);
+ qemu_input_event_sync();
+ return TRUE;
+}
+
static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
{
GtkDisplayState *s = opaque;
@@ -1229,6 +1250,8 @@ static void gd_connect_signals(GtkDisplayState *s)
G_CALLBACK(gd_button_event), s);
g_signal_connect(s->drawing_area, "button-release-event",
G_CALLBACK(gd_button_event), s);
+ g_signal_connect(s->drawing_area, "scroll-event",
+ G_CALLBACK(gd_scroll_event), s);
g_signal_connect(s->drawing_area, "key-press-event",
G_CALLBACK(gd_key_event), s);
g_signal_connect(s->drawing_area, "key-release-event",
--
1.8.3.1