From 63d5d807f1eb20be956cd33edc2a15d2dd31b5fe Mon Sep 17 00:00:00 2001 From: Alex Valavanis Date: Mon, 23 Jul 2012 19:09:51 +0100 Subject: Fix canvas scroll events in GTK+ 3 Fixed bugs: - https://launchpad.net/bugs/1016892 (bzr r11566) --- src/display/sp-canvas.cpp | 6 +++++- src/event-context.cpp | 10 ++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/display/sp-canvas.cpp b/src/display/sp-canvas.cpp index 4e01ada36..6d4d01e33 100644 --- a/src/display/sp-canvas.cpp +++ b/src/display/sp-canvas.cpp @@ -1422,6 +1422,7 @@ void SPCanvasImpl::realize(GtkWidget *widget) GDK_KEY_RELEASE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | + GDK_SCROLL_MASK | GDK_FOCUS_CHANGE_MASK); #if GTK_CHECK_VERSION(3,0,0) @@ -1557,7 +1558,10 @@ int SPCanvasImpl::emitEvent(SPCanvas *canvas, GdkEvent *event) mask = GDK_KEY_RELEASE_MASK; break; case GDK_SCROLL: - mask = GDK_SCROLL; + mask = GDK_SCROLL_MASK; +#if GTK_CHECK_VERSION(3,0,0) + mask |= GDK_SMOOTH_SCROLL_MASK; +#endif break; default: mask = 0; diff --git a/src/event-context.cpp b/src/event-context.cpp index 3c0f369cb..bb3619877 100644 --- a/src/event-context.cpp +++ b/src/event-context.cpp @@ -691,6 +691,10 @@ static gint sp_event_context_private_root_handler( int const wheel_scroll = prefs->getIntLimited( "/options/wheelscroll/value", 40, 0, 1000); + // Size of smooth-scrolls (only used in GTK+ 3) + gdouble delta_x = 0; + gdouble delta_y = 0; + /* shift + wheel, pan left--right */ if (event->scroll.state & GDK_SHIFT_MASK) { switch (event->scroll.direction) { @@ -740,6 +744,12 @@ static gint sp_event_context_private_root_handler( case GDK_SCROLL_RIGHT: desktop->scroll_world(-wheel_scroll, 0); break; +#if GTK_CHECK_VERSION(3,0,0) + case GDK_SCROLL_SMOOTH: + gdk_event_get_scroll_deltas(event, &delta_x, &delta_y); + desktop->scroll_world(delta_x, delta_y); + break; +#endif } } break; -- cgit v1.2.3