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Code Issues Releases Activity

Get window position by reading _NET_FRAME_EXTENTS (Bug#5721).

Browse Source 
* src/xfns.c (x_real_positions): Try to get _NET_FRAME_EXTENTS first
before traversing window tree (Bug#5721).

* src/xterm.c (x_term_init): Initialize Xatom_net_frame_extents.

* src/xterm.h (struct x_display_info): Xatom_net_frame_extents is new.
This commit is contained in:
Jan Djärv 2010-11-04 09:41:25 +01:00
parent 630a5546c9
commit d75c999218
4 changed files with 63 additions and 5 deletions
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9
src/ChangeLog
View File

@ -1,3 +1,12 @@
2010-11-04 Jan Djärv <jan.h.d@swipnet.se>
* xterm.c (x_term_init): Initialize Xatom_net_frame_extents.
* xterm.h (struct x_display_info): Xatom_net_frame_extents is new.
* xfns.c (x_real_positions): Try to get _NET_FRAME_EXTENTS first
before traversing window tree (Bug#5721).
2010-11-03 Glenn Morris <rgm@gnu.org>
* Makefile.in (CRT_DIR): New variable, set by configure.

52
src/xfns.c
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@ -532,12 +532,60 @@ x_real_positions (f, xptr, yptr)
int win_x, win_y, outer_x, outer_y;
int real_x = 0, real_y = 0;
int had_errors = 0;
Window win = f->output_data.x->parent_desc;
Window win;
Atom actual_type;
unsigned long actual_size, bytes_remaining;
int i, rc, actual_format;
struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
long max_len = 400;
Display *dpy = FRAME_X_DISPLAY (f);
unsigned char *tmp_data = NULL;
Atom target_type = XA_CARDINAL;
BLOCK_INPUT;
x_catch_errors (FRAME_X_DISPLAY (f));
x_catch_errors (dpy);
win = FRAME_OUTER_WINDOW (f);
/* Try _NET_FRAME_EXTENTS first. */
rc = XGetWindowProperty (dpy, win, dpyinfo->Xatom_net_frame_extents,
0, max_len, False, target_type,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
if (0 && rc == Success && actual_type == target_type && !x_had_errors_p (dpy)
&& actual_size == 4 && actual_format == 32)
{
int ign;
Window rootw;
XGetGeometry (FRAME_X_DISPLAY (f), win,
&rootw, &real_x, &real_y, &ign, &ign, &ign, &ign);
long *fe = (long *)tmp_data;
FRAME_X_OUTPUT (f)->x_pixels_outer_diff = fe[0];
FRAME_X_OUTPUT (f)->y_pixels_outer_diff = fe[2];
*xptr = real_x - fe[0];
*yptr = real_y - fe[2];
if (FRAME_X_WINDOW (f) != win)
{
XGetGeometry (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
&rootw, &real_x, &real_y, &ign, &ign, &ign, &ign);
f->x_pixels_diff = real_x;
f->y_pixels_diff = real_y;
}
if (tmp_data) XFree (tmp_data);
x_uncatch_errors ();
UNBLOCK_INPUT;
return;
}
if (tmp_data) XFree (tmp_data);
win = f->output_data.x->parent_desc;
if (win == FRAME_X_DISPLAY_INFO (f)->root_window)
win = FRAME_OUTER_WINDOW (f);

3
src/xterm.c
View File

@ -10522,7 +10522,8 @@ x_term_init (display_name, xrm_option, resource_name)
= XInternAtom (dpyinfo->display, "_NET_WM_WINDOW_TYPE", False);
dpyinfo->Xatom_net_window_type_tooltip
= XInternAtom (dpyinfo->display, "_NET_WM_WINDOW_TYPE_TOOLTIP", False);
dpyinfo->Xatom_net_frame_extents
= XInternAtom (dpyinfo->display, "_NET_FRAME_EXTENTS", False);
dpyinfo->cut_buffers_initialized = 0;
dpyinfo->x_dnd_atoms_size = 8;

4
src/xterm.h
View File

@ -362,10 +362,10 @@ struct x_display_info
Window net_supported_window;
Atom Xatom_net_window_type, Xatom_net_window_type_tooltip;
/* Atoms dealing with maximization and fullscreen */
/* Atoms dealing with EWMH (i.e. _NET_...) */
Atom Xatom_net_wm_state, Xatom_net_wm_state_fullscreen_atom,
Xatom_net_wm_state_maximized_horz, Xatom_net_wm_state_maximized_vert,
Xatom_net_wm_state_sticky;
Xatom_net_wm_state_sticky, Xatom_net_frame_extents;
/* XSettings atoms and windows. */
Atom Xatom_xsettings_sel, Xatom_xsettings_prop, Xatom_xsettings_mgr;