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simplify mouse button handling code

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72157 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2012-07-20 04:59:20 +00:00
parent ffe50f008b
commit a4cb858716
1 changed files with 69 additions and 132 deletions
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201
src/gtk/window.cpp
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@ -1313,142 +1313,79 @@ gtk_window_button_press_callback( GtkWidget* WXUNUSED_IN_GTK3(widget),
g_lastButtonNumber = gdk_event->button;
// GDK sends surplus button down events
// before a double click event. We
// need to filter these out.
if ((gdk_event->type == GDK_BUTTON_PRESS) && (win->m_wxwindow))
wxEventType event_type;
wxEventType down;
wxEventType dclick;
switch (gdk_event->button)
{
GdkEvent *peek_event = gdk_event_peek();
if (peek_event)
{
if ((peek_event->type == GDK_2BUTTON_PRESS) ||
(peek_event->type == GDK_3BUTTON_PRESS))
{
gdk_event_free( peek_event );
return TRUE;
}
else
{
gdk_event_free( peek_event );
}
}
case 1:
down = wxEVT_LEFT_DOWN;
dclick = wxEVT_LEFT_DCLICK;
break;
case 2:
down = wxEVT_MIDDLE_DOWN;
dclick = wxEVT_MIDDLE_DCLICK;
break;
case 3:
down = wxEVT_RIGHT_DOWN;
dclick = wxEVT_RIGHT_DCLICK;
break;
case 8:
down = wxEVT_AUX1_DOWN;
dclick = wxEVT_AUX1_DCLICK;
break;
case 9:
down = wxEVT_AUX2_DOWN;
dclick = wxEVT_AUX2_DCLICK;
break;
default:
return false;
}
wxEventType event_type = wxEVT_NULL;
switch (gdk_event->type)
{
case GDK_BUTTON_PRESS:
event_type = down;
// GDK sends surplus button down events
// before a double click event. We
// need to filter these out.
if (win->m_wxwindow)
{
GdkEvent* peek_event = gdk_event_peek();
if (peek_event)
{
const GdkEventType peek_event_type = peek_event->type;
gdk_event_free(peek_event);
if (peek_event_type == GDK_2BUTTON_PRESS ||
peek_event_type == GDK_3BUTTON_PRESS)
{
return true;
}
}
}
break;
case GDK_2BUTTON_PRESS:
event_type = dclick;
#ifndef __WXGTK3__
if ( gdk_event->type == GDK_2BUTTON_PRESS &&
gdk_event->button >= 1 && gdk_event->button <= 3 )
{
// Reset GDK internal timestamp variables in order to disable GDK
// triple click events. GDK will then next time believe no button has
// been clicked just before, and send a normal button click event.
GdkDisplay* display = gtk_widget_get_display (widget);
display->button_click_time[1] = 0;
display->button_click_time[0] = 0;
}
if (gdk_event->button >= 1 && gdk_event->button <= 3)
{
// Reset GDK internal timestamp variables in order to disable GDK
// triple click events. GDK will then next time believe no button has
// been clicked just before, and send a normal button click event.
GdkDisplay* display = gtk_widget_get_display(widget);
display->button_click_time[1] = 0;
display->button_click_time[0] = 0;
}
#endif // !__WXGTK3__
if (gdk_event->button == 1)
{
// note that GDK generates triple click events which are not supported
// by wxWidgets but still have to be passed to the app as otherwise
// clicks would simply go missing
switch (gdk_event->type)
{
// we shouldn't get triple clicks at all for GTK2 because we
// suppress them artificially using the code above but we still
// should map them to something for GTK1 and not just ignore them
// as this would lose clicks
case GDK_3BUTTON_PRESS: // we could also map this to DCLICK...
case GDK_BUTTON_PRESS:
event_type = wxEVT_LEFT_DOWN;
break;
case GDK_2BUTTON_PRESS:
event_type = wxEVT_LEFT_DCLICK;
break;
default:
// just to silence gcc warnings
;
}
}
else if (gdk_event->button == 2)
{
switch (gdk_event->type)
{
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_PRESS:
event_type = wxEVT_MIDDLE_DOWN;
break;
case GDK_2BUTTON_PRESS:
event_type = wxEVT_MIDDLE_DCLICK;
break;
default:
;
}
}
else if (gdk_event->button == 3)
{
switch (gdk_event->type)
{
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_PRESS:
event_type = wxEVT_RIGHT_DOWN;
break;
case GDK_2BUTTON_PRESS:
event_type = wxEVT_RIGHT_DCLICK;
break;
default:
;
}
}
else if (gdk_event->button == 8)
{
switch (gdk_event->type)
{
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_PRESS:
event_type = wxEVT_AUX1_DOWN;
break;
case GDK_2BUTTON_PRESS:
event_type = wxEVT_AUX1_DCLICK;
break;
default:
;
}
}
else if (gdk_event->button == 9)
{
switch (gdk_event->type)
{
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_PRESS:
event_type = wxEVT_AUX2_DOWN;
break;
case GDK_2BUTTON_PRESS:
event_type = wxEVT_AUX2_DCLICK;
break;
default:
;
}
}
if ( event_type == wxEVT_NULL )
{
// unknown mouse button or click type
return FALSE;
break;
// we shouldn't get triple clicks at all for GTK2 because we
// suppress them artificially using the code above but we still
// should map them to something for GTK3 and not just ignore them
// as this would lose clicks
case GDK_3BUTTON_PRESS:
event_type = down;
break;
default:
return false;
}
g_lastMouseEvent = (GdkEvent*) gdk_event;