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check wm supporting hints for mwm: 

make borderless also work with window managers that do not pretend to be mwm


SVN revision: 42896
This commit is contained in:
Hannes Janetzek 2009-10-05 23:54:53 +00:00
parent 07e0c8b22b
commit a26cde7b3d
1 changed files with 44 additions and 5 deletions
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49
src/windows.c
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@ -363,6 +363,46 @@ set_pointer_colors(const char *fg_name, const char *bg_name)
XRecolorCursor(Xdisplay, TermWin_cursor, &fg, &bg);
}
int
check_mwm_supported(void)
{
Atom prop, mwm_prop, type_ret;
unsigned char *prop_ret;
unsigned long bytes_after, num_ret;
int format_ret, num, i, supported = 0;
/* check whether wm support mwm hint */
prop = XInternAtom(Xdisplay, "_NET_SUPPORTED", True);
mwm_prop = XInternAtom(Xdisplay, "_MOTIF_WM_HINTS", True);
if ((prop != None) && (mwm_prop != None)) {
prop_ret = NULL;
if (XGetWindowProperty(Xdisplay, Xroot, prop, 0, 0x7fffffff, False,
XA_ATOM, &type_ret, &format_ret, &num_ret,
&bytes_after, &prop_ret) == Success) {
if ((type_ret == XA_ATOM) &&
(format_ret == 32) &&
(num_ret && prop_ret))
{
for (i = 0; i < num_ret; i++)
if (mwm_prop == ((unsigned long*)prop_ret)[i])
supported = 1;
}
if (prop_ret)
XFree(prop_ret);
}
}
/* check whether wm is mwm */
if (!supported) {
prop = XInternAtom(Xdisplay, "_MOTIF_WM_INFO", True);
if (prop != None) {
supported = 1;
}
}
return supported;
}
/* Create_Windows() - Open and map the window */
void
Create_Windows(int argc, char *argv[])
@ -378,14 +418,13 @@ Create_Windows(int argc, char *argv[])
MWMHints mwmhints;
if (BITFIELD_IS_SET(eterm_options, ETERM_OPTIONS_BORDERLESS)) {
prop = XInternAtom(Xdisplay, "_MOTIF_WM_INFO", True);
if (prop == None) {
if (check_mwm_supported()) {
mwmhints.flags = MWM_HINTS_DECORATIONS;
mwmhints.decorations = 0;
} else {
libast_print_warning("Window Manager does not support MWM hints. Bypassing window manager control for borderless window.\n");
Attributes.override_redirect = TRUE;
mwmhints.flags = 0;
} else {
mwmhints.flags = MWM_HINTS_DECORATIONS;
mwmhints.decorations = 0;
}
} else {
mwmhints.flags = 0;