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Fix reporting of iconic state on old window managers

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* src/xterm.c (x_handle_wm_state): Handle IconicState if the
window manager does not support _NET_WM_STATE_HIDDEN.
This commit is contained in:
Po Lu 2022-10-27 19:14:56 +08:00
parent 8deb797897
commit af46d8a7ec
1 changed files with 18 additions and 2 deletions
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20
src/xterm.c
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@ -17868,6 +17868,7 @@ x_coords_from_dnd_message (struct x_display_info *dpyinfo,
static void
x_handle_wm_state (struct frame *f, struct input_event *ie)
{
struct x_display_info *dpyinfo;
Atom type;
int format;
unsigned long nitems, bytes_after;
@ -17875,10 +17876,11 @@ x_handle_wm_state (struct frame *f, struct input_event *ie)
unsigned long *state;
data = NULL;
dpyinfo = FRAME_DISPLAY_INFO (f);
if (XGetWindowProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_wm_state, 0, 2,
False, AnyPropertyType, &type, &format, &nitems,
dpyinfo->Xatom_wm_state, 0, 2, False,
AnyPropertyType, &type, &format, &nitems,
&bytes_after, &data) != Success)
return;
@ -17903,6 +17905,20 @@ x_handle_wm_state (struct frame *f, struct input_event *ie)
ie->kind = DEICONIFY_EVENT;
XSETFRAME (ie->frame_or_window, f);
}
else if (state[0] == IconicState
/* _NET_WM_STATE_HIDDEN should be used if the window
manager supports that. */
&& !x_wm_supports (f, dpyinfo->Xatom_net_wm_state_hidden))
{
/* The frame is actually iconified right now. Mark it as
such. */
SET_FRAME_VISIBLE (f, 0);
SET_FRAME_ICONIFIED (f, true);
ie->kind = ICONIFY_EVENT;
XSETFRAME (ie->frame_or_window, f);
}
/* state[0] can also be WithdrawnState, meaning that the window has
been withdrawn and is no longer iconified. However, Emacs sets