From d58b9122716bc444305515ead3a69b91d807bf3c Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Tue, 11 Mar 2014 17:26:44 +0100 Subject: gtk: Add mouse wheel support 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 Signed-off-by: Gerd Hoffmann --- ui/gtk.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/ui/gtk.c b/ui/gtk.c index 185149571e..c3ac448e52 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", -- cgit v1.2.1