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devices: make meta_device_pointer_query_position() return a boolean

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like in XQueryPointer/XIQueryPointer, the return value tells whether
the pointer device is on the same screen than the passed window.
This commit is contained in:
Carlos Garnacho 2011-07-03 21:01:15 +02:00
parent bde0d28f1b
commit 656fa71649
4 changed files with 25 additions and 19 deletions
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13
src/core/device-pointer.c
View File

@ -71,7 +71,7 @@ meta_device_pointer_set_window_cursor (MetaDevicePointer *pointer,
(klass->set_window_cursor) (pointer, xwindow, cursor);
}
void
gboolean
meta_device_pointer_query_position (MetaDevicePointer *pointer,
Window xwindow,
Window *root_ret,
@ -85,17 +85,18 @@ meta_device_pointer_query_position (MetaDevicePointer *pointer,
MetaDevicePointerClass *klass;
gint root_x, root_y, x, y;
Window root, child;
gboolean retval;
guint mask;
g_return_if_fail (META_IS_DEVICE_POINTER (pointer));
g_return_if_fail (xwindow != None);
g_return_val_if_fail (META_IS_DEVICE_POINTER (pointer), FALSE);
g_return_val_if_fail (xwindow != None, FALSE);
klass = META_DEVICE_POINTER_GET_CLASS (pointer);
if (!klass->query_position)
return;
return FALSE;
(klass->query_position) (pointer, xwindow, &root, &child,
retval = (klass->query_position) (pointer, xwindow, &root, &child,
&root_x, &root_y, &x, &y, &mask);
if (root_ret)
@ -118,4 +119,6 @@ meta_device_pointer_query_position (MetaDevicePointer *pointer,
if (mask_ret)
*mask_ret = mask;
return retval;
}

4
src/core/device-pointer.h
View File

@ -61,7 +61,7 @@ struct _MetaDevicePointerClass
void (* set_window_cursor) (MetaDevicePointer *pointer,
Window xwindow,
MetaCursor cursor);
void (* query_position) (MetaDevicePointer *pointer,
gboolean (* query_position) (MetaDevicePointer *pointer,
Window xwindow,
Window *root,
Window *child,
@ -82,7 +82,7 @@ void meta_device_pointer_set_window_cursor (MetaDevicePointer *pointer,
Window xwindow,
MetaCursor cursor);
void meta_device_pointer_query_position (MetaDevicePointer *pointer,
gboolean meta_device_pointer_query_position (MetaDevicePointer *pointer,
Window xwindow,
Window *root,
Window *child,

4
src/core/devices-core.c
View File

@ -114,7 +114,7 @@ meta_device_pointer_core_set_window_cursor (MetaDevicePointer *pointer,
XFreeCursor (display->xdisplay, xcursor);
}
static void
static gboolean
meta_device_pointer_core_query_position (MetaDevicePointer *pointer,
Window xwindow,
Window *root,
@ -128,7 +128,7 @@ meta_device_pointer_core_query_position (MetaDevicePointer *pointer,
MetaDisplay *display;
display = meta_device_get_display (META_DEVICE (pointer));
XQueryPointer (display->xdisplay, xwindow,
return XQueryPointer (display->xdisplay, xwindow,
root, child, root_x, root_y,
x, y, mask);
}

7
src/core/devices-xi2.c
View File

@ -193,7 +193,7 @@ meta_device_pointer_xi2_set_window_cursor (MetaDevicePointer *pointer,
XIUndefineCursor (display->xdisplay, device_id, xwindow);
}
static void
static gboolean
meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer,
Window xwindow,
Window *root_ret,
@ -210,11 +210,12 @@ meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer,
XIButtonState buttons;
gdouble root_x, root_y, x, y;
int device_id;
gboolean retval;
display = meta_device_get_display (META_DEVICE (pointer));
device_id = meta_device_get_id (META_DEVICE (pointer));
XIQueryPointer (display->xdisplay,
retval = XIQueryPointer (display->xdisplay,
device_id, xwindow,
root_ret, child_ret,
&root_x, &root_y, &x, &y,
@ -243,6 +244,8 @@ meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer,
if (y_ret)
*y_ret = (int) y;
return retval;
}
static void