- bool processed_x = false;
- if (gdk_event->delta_x)
- {
- event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL;
- event.m_wheelRotation = int(event.m_wheelDelta * gdk_event->delta_x);
- GtkRange* range = win->m_scrollBar[wxWindow::ScrollDir_Horz];
- event.m_linesPerAction = GetWheelScrollActionDelta(range);
- event.m_columnsPerAction = event.m_linesPerAction;
- processed_x = win->GTKProcessEvent(event);
- }
- bool processed_y = false;
- if (gdk_event->delta_y)
- {
- event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL;
- event.m_wheelRotation = int(event.m_wheelDelta * -gdk_event->delta_y);
- GtkRange* range = win->m_scrollBar[wxWindow::ScrollDir_Vert];
- event.m_linesPerAction = GetWheelScrollActionDelta(range);
- event.m_columnsPerAction = event.m_linesPerAction;
- processed_y = win->GTKProcessEvent(event);
- }
- return processed_x || processed_y;
- }
+ case GDK_SCROLL_UP:
+ if (is_range_h)
+ direction = GDK_SCROLL_LEFT;
+ break;
+ case GDK_SCROLL_DOWN:
+ if (is_range_h)
+ direction = GDK_SCROLL_RIGHT;
+ break;
+ case GDK_SCROLL_LEFT:
+ if (is_range_v)
+ direction = GDK_SCROLL_UP;
+ break;
+ case GDK_SCROLL_RIGHT:
+ if (is_range_v)
+ direction = GDK_SCROLL_DOWN;
+ break;
+ default:
+ break;
+#if GTK_CHECK_VERSION(3,4,0)
+ case GDK_SCROLL_SMOOTH:
+ double delta_x = gdk_event->delta_x;
+ double delta_y = gdk_event->delta_y;
+ if (delta_x == 0)
+ {
+ if (is_range_h)
+ {
+ delta_x = delta_y;
+ delta_y = 0;
+ }
+ }
+ else if (delta_y == 0)
+ {
+ if (is_range_v)
+ {
+ delta_y = delta_x;
+ delta_x = 0;
+ }
+ }
+ if (delta_x)
+ {
+ event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL;
+ event.m_wheelRotation = int(event.m_wheelDelta * delta_x);
+ if (!win->GTKProcessEvent(event))
+ AdjustRangeValue(range_h, event.m_columnsPerAction * delta_x);
+ }
+ if (delta_y)
+ {
+ event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL;
+ event.m_wheelRotation = int(event.m_wheelDelta * -delta_y);
+ if (!win->GTKProcessEvent(event))
+ AdjustRangeValue(range_v, event.m_linesPerAction * delta_y);
+ }
+ return true;