1 /* colormap.c - colormap handling code
3 * Window Maker window manager
5 * Copyright (c) 1998-2003 Alfredo K. Kojima
7 * This code slightly based on fvwm code,
8 * Copyright (c) Rob Nation and others
9 * but completely rewritten.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
29 #include "WindowMaker.h"
30 #include <X11/Xatom.h>
34 void wColormapInstallForWindow(WScreen
* scr
, WWindow
* wwin
)
37 XWindowAttributes attributes
;
42 xwin
= wwin
->client_win
;
47 scr
->cmap_window
= wwin
;
49 if (scr
->root_colormap_install_count
> 0) {
50 scr
->original_cmap_window
= wwin
;
54 /* install colormap for all windows of the client */
55 if (wwin
&& wwin
->cmap_window_no
> 0 && wwin
->cmap_windows
) {
56 for (i
= wwin
->cmap_window_no
- 1; i
>= 0; i
--) {
59 w
= wwin
->cmap_windows
[i
];
60 if (w
== wwin
->client_win
)
63 XGetWindowAttributes(dpy
, w
, &attributes
);
64 if (attributes
.colormap
== None
)
65 attributes
.colormap
= scr
->colormap
;
67 if (scr
->current_colormap
!= attributes
.colormap
) {
68 scr
->current_colormap
= attributes
.colormap
;
70 * ICCCM 2.0: some client requested permission
71 * to install colormaps by itself and we granted.
72 * So, we can't install any colormaps.
74 if (!scr
->flags
.colormap_stuff_blocked
)
75 XInstallColormap(dpy
, attributes
.colormap
);
81 attributes
.colormap
= None
;
83 XGetWindowAttributes(dpy
, xwin
, &attributes
);
84 if (attributes
.colormap
== None
)
85 attributes
.colormap
= scr
->colormap
;
87 if (scr
->current_colormap
!= attributes
.colormap
) {
88 scr
->current_colormap
= attributes
.colormap
;
89 if (!scr
->flags
.colormap_stuff_blocked
)
90 XInstallColormap(dpy
, attributes
.colormap
);
96 void wColormapInstallRoot(WScreen
* scr
)
98 if (scr
->root_colormap_install_count
== 0) {
99 wColormapInstallForWindow(scr
, NULL
);
100 scr
->original_cmap_window
= scr
->cmap_window
;
102 scr
->root_colormap_install_count
++;
105 void wColormapUninstallRoot(WScreen
* scr
)
107 if (scr
->root_colormap_install_count
> 0)
108 scr
->root_colormap_install_count
--;
110 if (scr
->root_colormap_install_count
== 0) {
111 wColormapInstallForWindow(scr
, scr
->original_cmap_window
);
112 scr
->original_cmap_window
= NULL
;
116 void wColormapAllowClientInstallation(WScreen
* scr
, Bool starting
)
118 scr
->flags
.colormap_stuff_blocked
= starting
;
120 * Client stopped managing the colormap stuff. Restore the colormap
121 * that would be installed if the client did not request colormap
125 XInstallColormap(dpy
, scr
->current_colormap
);