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Replace deprecated gtk_window_set_wmclass with raw Xlib.

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Calling gtk_widget_realize to enforce the existence of an underlying
GdkWindow, followed by gdk_window_ensure_native to enforce an
underlying X window in turn, allows me to get hold of an X window id
on which I can call the Xlib function for setting WM_CLASS, still
before the window is mapped.

With this change, plus Colin's preceding patches, the whole code base
_actually_ compiles and links against GTK 3.22 without any deprecation
warnings. (My claim in commit 8ce237234 that it previously did appears
to have been completely wrong - my guess is that I'd forgotten to
'make clean' before testing against 3.22 and so some source files had
already been compiled against earlier GTK headers.)
This commit is contained in:
Simon Tatham 2017-03-07 22:57:42 +00:00
parent 921afd3716
commit af08a7a3b1
1 changed files with 26 additions and 1 deletions
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27
unix/gtkwin.c
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@ -4387,9 +4387,34 @@ struct gui_data *new_session_window(Conf *conf, const char *geometry_string)
gtk_widget_set_name(GTK_WIDGET(inst->window), "top-level");
{
const char *winclass = conf_get_str(inst->conf, CONF_winclass);
if (*winclass)
if (*winclass) {
#if GTK_CHECK_VERSION(3,22,0)
#ifndef NOT_X_WINDOWS
GdkWindow *gdkwin;
gtk_widget_realize(GTK_WIDGET(inst->window));
gdkwin = gtk_widget_get_window(GTK_WIDGET(inst->window));
if (gdk_window_ensure_native(gdkwin)) {
Display *disp =
GDK_DISPLAY_XDISPLAY(gdk_window_get_display(gdkwin));
XClassHint *xch = XAllocClassHint();
xch->res_name = (char *)winclass;
xch->res_class = (char *)winclass;
XSetClassHint(disp, GDK_WINDOW_XID(gdkwin), xch);
XFree(xch);
}
#endif
/*
* If we do have NOT_X_WINDOWS set, then we don't have any
* function in GTK 3.22 equivalent to the above. But then,
* surely in that situation the deprecated
* gtk_window_set_wmclass wouldn't have done anything
* meaningful in previous GTKs either.
*/
#else
gtk_window_set_wmclass(GTK_WINDOW(inst->window),
winclass, winclass);
#endif
}
}
/*