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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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15
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); (klass->set_window_cursor) (pointer, xwindow, cursor);
} }
void gboolean
meta_device_pointer_query_position (MetaDevicePointer *pointer, meta_device_pointer_query_position (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
Window *root_ret, Window *root_ret,
@ -85,18 +85,19 @@ meta_device_pointer_query_position (MetaDevicePointer *pointer,
MetaDevicePointerClass *klass; MetaDevicePointerClass *klass;
gint root_x, root_y, x, y; gint root_x, root_y, x, y;
Window root, child; Window root, child;
gboolean retval;
guint mask; guint mask;
g_return_if_fail (META_IS_DEVICE_POINTER (pointer)); g_return_val_if_fail (META_IS_DEVICE_POINTER (pointer), FALSE);
g_return_if_fail (xwindow != None); g_return_val_if_fail (xwindow != None, FALSE);
klass = META_DEVICE_POINTER_GET_CLASS (pointer); klass = META_DEVICE_POINTER_GET_CLASS (pointer);
if (!klass->query_position) 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); &root_x, &root_y, &x, &y, &mask);
if (root_ret) if (root_ret)
*root_ret = root; *root_ret = root;
@ -118,4 +119,6 @@ meta_device_pointer_query_position (MetaDevicePointer *pointer,
if (mask_ret) if (mask_ret)
*mask_ret = mask; *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, void (* set_window_cursor) (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
MetaCursor cursor); MetaCursor cursor);
void (* query_position) (MetaDevicePointer *pointer, gboolean (* query_position) (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
Window *root, Window *root,
Window *child, Window *child,
@ -82,7 +82,7 @@ void meta_device_pointer_set_window_cursor (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
MetaCursor cursor); MetaCursor cursor);
void meta_device_pointer_query_position (MetaDevicePointer *pointer, gboolean meta_device_pointer_query_position (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
Window *root, Window *root,
Window *child, Window *child,

8
src/core/devices-core.c
View File

@ -114,7 +114,7 @@ meta_device_pointer_core_set_window_cursor (MetaDevicePointer *pointer,
XFreeCursor (display->xdisplay, xcursor); XFreeCursor (display->xdisplay, xcursor);
} }
static void static gboolean
meta_device_pointer_core_query_position (MetaDevicePointer *pointer, meta_device_pointer_core_query_position (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
Window *root, Window *root,
@ -128,9 +128,9 @@ meta_device_pointer_core_query_position (MetaDevicePointer *pointer,
MetaDisplay *display; MetaDisplay *display;
display = meta_device_get_display (META_DEVICE (pointer)); display = meta_device_get_display (META_DEVICE (pointer));
XQueryPointer (display->xdisplay, xwindow, return XQueryPointer (display->xdisplay, xwindow,
root, child, root_x, root_y, root, child, root_x, root_y,
x, y, mask); x, y, mask);
} }
static void static void

17
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); XIUndefineCursor (display->xdisplay, device_id, xwindow);
} }
static void static gboolean
meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer, meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer,
Window xwindow, Window xwindow,
Window *root_ret, Window *root_ret,
@ -210,16 +210,17 @@ meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer,
XIButtonState buttons; XIButtonState buttons;
gdouble root_x, root_y, x, y; gdouble root_x, root_y, x, y;
int device_id; int device_id;
gboolean retval;
display = meta_device_get_display (META_DEVICE (pointer)); display = meta_device_get_display (META_DEVICE (pointer));
device_id = meta_device_get_id (META_DEVICE (pointer)); device_id = meta_device_get_id (META_DEVICE (pointer));
XIQueryPointer (display->xdisplay, retval = XIQueryPointer (display->xdisplay,
device_id, xwindow, device_id, xwindow,
root_ret, child_ret, root_ret, child_ret,
&root_x, &root_y, &x, &y, &root_x, &root_y, &x, &y,
&buttons, &mods, &buttons, &mods,
&group_unused); &group_unused);
if (mask_ret) if (mask_ret)
{ {
*mask_ret = mods.effective; *mask_ret = mods.effective;
@ -243,6 +244,8 @@ meta_device_pointer_xi2_query_position (MetaDevicePointer *pointer,
if (y_ret) if (y_ret)
*y_ret = (int) y; *y_ret = (int) y;
return retval;
} }
static void static void