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/*
* \/\/\
*
* Copyright (C) 2012-2016 Vito Caputo - <vcaputo@gnugeneration.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* desktop/shelf context handling */
#include <X11/Xlib.h>
#include "context.h"
#include "desktop.h"
#include "vwm.h"
#include "xwindow.h"
#include "window.h"
/* switch to the desired context if it isn't already the focused one, inform caller if anything happened */
int vwm_context_focus(vwm_t *vwm, vwm_context_t desired_context)
{
vwm_context_t entry_context = vwm->focused_context;
switch (vwm->focused_context) {
vwm_xwindow_t *xwin;
vwm_window_t *vwin;
case VWM_CONTEXT_SHELF:
if (desired_context == VWM_CONTEXT_SHELF)
break;
/* desired == DESKTOP && focused == SHELF */
VWM_TRACE("unmapping shelf window \"%s\"", vwm->focused_shelf->xwindow->name);
vwm_win_unmap(vwm, vwm->focused_shelf);
XFlush(VWM_XDISPLAY(vwm)); /* for a more responsive feel */
/* map the focused desktop, from the top of the stack down */
list_for_each_entry_prev(xwin, &vwm->xwindows, xwindows) {
if (!(vwin = xwin->managed))
continue;
if (vwin->desktop == vwm->focused_desktop && !vwin->shelved) {
VWM_TRACE("Mapping desktop window \"%s\"", xwin->name);
vwm_win_map(vwm, vwin);
}
}
if (vwm->focused_desktop->focused_window) {
VWM_TRACE("Focusing \"%s\"", vwm->focused_desktop->focused_window->xwindow->name);
XSetInputFocus(VWM_XDISPLAY(vwm), vwm->focused_desktop->focused_window->xwindow->id, RevertToPointerRoot, CurrentTime);
}
vwm->focused_context = VWM_CONTEXT_DESKTOP;
break;
case VWM_CONTEXT_DESKTOP:
/* unmap everything, map the shelf */
if (desired_context == VWM_CONTEXT_DESKTOP)
break;
/* desired == SHELF && focused == DESKTOP */
/* there should be a focused shelf if the shelf contains any windows, we NOOP the switch if the shelf is empty. */
if (vwm->focused_shelf) {
/* unmap everything on the current desktop */
list_for_each_entry(xwin, &vwm->xwindows, xwindows) {
if (!(vwin = xwin->managed))
continue;
if (vwin->desktop == vwm->focused_desktop) {
VWM_TRACE("Unmapping desktop window \"%s\"", xwin->name);
vwm_win_unmap(vwm, vwin);
}
}
XFlush(VWM_XDISPLAY(vwm)); /* for a more responsive feel */
VWM_TRACE("Mapping shelf window \"%s\"", vwm->focused_shelf->xwindow->name);
vwm_win_map(vwm, vwm->focused_shelf);
vwm_win_focus(vwm, vwm->focused_shelf);
vwm->focused_context = VWM_CONTEXT_SHELF;
}
break;
default:
VWM_BUG("unexpected focused context %x", vwm->focused_context);
break;
}
/* return if the context has been changed, the caller may need to branch differently if nothing happened */
return (vwm->focused_context != entry_context);
}
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