diff options
Diffstat (limited to 'chrome')
| -rw-r--r-- | chrome/browser/tab_contents/tab_contents_view_gtk.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/chrome/browser/tab_contents/tab_contents_view_gtk.cc b/chrome/browser/tab_contents/tab_contents_view_gtk.cc index 0a8e898..e15d4db 100644 --- a/chrome/browser/tab_contents/tab_contents_view_gtk.cc +++ b/chrome/browser/tab_contents/tab_contents_view_gtk.cc @@ -62,6 +62,23 @@ gboolean OnMouseMove(GtkWidget* widget, GdkEventMotion* event, return FALSE; } +// See tab_contents_view_win.cc for discussion of mouse scroll zooming. +gboolean OnMouseScroll(GtkWidget* widget, GdkEventScroll* event, + TabContents* tab_contents) { + if ((event->state & gtk_accelerator_get_default_mod_mask()) == + GDK_CONTROL_MASK) { + if (event->direction == GDK_SCROLL_DOWN) { + tab_contents->delegate()->ContentsZoomChange(false); + return TRUE; + } else if (event->direction == GDK_SCROLL_UP) { + tab_contents->delegate()->ContentsZoomChange(true); + return TRUE; + } + } + + return FALSE; +} + // Used with gtk_container_foreach to change the sizes of the children of // |fixed_|. void SetSizeRequest(GtkWidget* widget, gpointer userdata) { @@ -124,6 +141,8 @@ RenderWidgetHostView* TabContentsViewGtk::CreateViewForWidget( G_CALLBACK(OnLeaveNotify), tab_contents()); g_signal_connect(content_view, "motion-notify-event", G_CALLBACK(OnMouseMove), tab_contents()); + g_signal_connect(content_view, "scroll-event", + G_CALLBACK(OnMouseScroll), tab_contents()); gtk_widget_add_events(content_view, GDK_LEAVE_NOTIFY_MASK | GDK_POINTER_MOTION_MASK); g_signal_connect(content_view, "button-press-event", |