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Handle implicit grabs

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This commit is contained in:
Alexander Larsson 2011-10-18 16:52:41 +02:00
parent 71e187b315
commit a4288a88f4
1 changed files with 22 additions and 1 deletions
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23
gdk/win32/gdkevents-win32.c
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@ -1855,6 +1855,12 @@ ensure_stacking_on_activate_app (MSG *msg,
}
}
#define GDK_ANY_BUTTON_MASK (GDK_BUTTON1_MASK | \
GDK_BUTTON2_MASK | \
GDK_BUTTON3_MASK | \
GDK_BUTTON4_MASK | \
GDK_BUTTON5_MASK)
static gboolean
gdk_event_translate (MSG *msg,
gint *ret_valp)
@ -2261,7 +2267,12 @@ gdk_event_translate (MSG *msg,
if (GDK_WINDOW_DESTROYED (window))
break;
/* TODO_CSW? Emulate X11's automatic active grab */
grab = _gdk_display_get_last_pointer_grab (_gdk_display);
if (grab == NULL)
{
SetCapture (GDK_WINDOW_HWND (window));
}
generate_button_event (GDK_BUTTON_PRESS, button,
window, msg);
@ -2301,6 +2312,16 @@ gdk_event_translate (MSG *msg,
}
#endif
grab = _gdk_display_get_last_pointer_grab (_gdk_display);
if (grab != NULL && grab->implicit)
{
gint state = build_pointer_event_state (msg);
/* We keep the implicit grab until no buttons at all are held down */
if ((state & GDK_ANY_BUTTON_MASK & ~(GDK_BUTTON1_MASK << (button - 1))) == 0)
ReleaseCapture ();
}
generate_button_event (GDK_BUTTON_RELEASE, button,
window, msg);