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Implement offscreen get_pointer with offscreen signals

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This commit is contained in:
Alexander Larsson 2009-06-08 19:38:15 +02:00
parent e1b52da0ab
commit f195fbc221
1 changed files with 59 additions and 1 deletions
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60
gdk/gdkoffscreenwindow.c
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@ -698,13 +698,71 @@ gdk_offscreen_window_get_origin (GdkWindow *window,
return TRUE;
}
static GdkWindow *
get_offscreen_parent (GdkWindow *window)
{
GdkWindowObject *private;
GdkWindow *res;
private = (GdkWindowObject *)window;
res = NULL;
g_signal_emit_by_name (private->impl_window,
"get-offscreen-parent",
&res);
return res;
}
static void
from_parent (GdkWindow *window,
double parent_x, double parent_y,
double *offscreen_x, double *offscreen_y)
{
GdkWindowObject *private;
private = (GdkWindowObject *)window;
g_signal_emit_by_name (private->impl_window,
"from_parent",
parent_x, parent_y,
offscreen_x, offscreen_y,
NULL);
}
static gboolean
gdk_offscreen_window_get_pointer (GdkWindow *window,
gint *x,
gint *y,
GdkModifierType *mask)
{
/* TODO: Base on signals */
int tmpx, tmpy;
double dtmpx, dtmpy;
GdkModifierType tmpmask;
GdkWindow *parent;
tmpx = 0;
tmpy = 0;
tmpmask = 0;
parent = get_offscreen_parent (window);
if (parent != NULL)
{
gdk_window_get_pointer (parent, &tmpx, &tmpy, &tmpmask);
from_parent (window,
tmpx, tmpy,
&dtmpx, &dtmpy);
tmpx = floor (dtmpx + 0.5);
tmpy = floor (dtmpy + 0.5);
}
if (x)
*x = tmpx;
if (y)
*y = tmpy;
if (mask)
*mask = tmpmask;
return TRUE;
}