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#include "icons.h"
#include "net.h"
#include <assert.h>
#include <stdlib.h>
gboolean error;
int window_error_handler(Display *d, XErrorEvent *e)
{
d=d;e=e;
if (e->error_code == BadWindow) {
error = TRUE;
} else {
g_printerr("X ERROR NOT BAD WINDOW!\n");
abort();
}
return 0;
}
gboolean icon_swallow(TrayWindow *traywin)
{
XErrorHandler old;
error = FALSE;
old = XSetErrorHandler(window_error_handler);
XReparentWindow(display, traywin->id, win, 0, 0);
XSync(display, False);
XSetErrorHandler(old);
return !error;
}
/*
The traywin must have its id and type set.
*/
gboolean icon_add(Window id, TrayWindowType type)
{
TrayWindow *traywin;
assert(id);
assert(type);
if (wmaker) {
/* do we have room in our window for another icon? */
unsigned int max = (width / icon_size) * (height / icon_size);
if (g_slist_length(icons) >= max)
return FALSE; /* no room, sorry! REJECTED! */
}
traywin = g_new0(TrayWindow, 1);
traywin->type = type;
traywin->id = id;
if (!icon_swallow(traywin)) {
g_free(traywin);
return FALSE;
}
/* find the positon for the systray app window */
if (!wmaker) {
traywin->x = border + (horizontal ? width : 0);
traywin->y = border + (horizontal ? 0 : height);
} else {
int count = g_slist_length(icons);
traywin->x = border + ((width % icon_size) / 2) +
(count % (width / icon_size)) * icon_size;
traywin->y = border + ((height % icon_size) / 2) +
(count / (height / icon_size)) * icon_size;
}
/* add the new icon to the list */
icons = g_slist_append(icons, traywin);
/* watch for the icon trying to resize itself! BAD ICON! BAD! */
XSelectInput(display, traywin->id, StructureNotifyMask);
/* position and size the icon window */
XMoveResizeWindow(display, traywin->id,
traywin->x, traywin->y, icon_size, icon_size);
/* resize our window so that the new window can fit in it */
fix_geometry();
/* flush before clearing, otherwise the clear isn't effective. */
XFlush(display);
/* make sure the new child will get the right stuff in its background
for ParentRelative. */
XClearWindow(display, win);
/* show the window */
XMapRaised(display, traywin->id);
return TRUE;
}
void icon_remove(GSList *node)
{
XErrorHandler old;
TrayWindow *traywin = node->data;
Window traywin_id = traywin->id;
if (traywin->type == NET)
net_icon_remove(traywin);
XSelectInput(display, traywin->id, NoEventMask);
/* remove it from our list */
g_free(node->data);
icons = g_slist_remove_link(icons, node);
/* reparent it to root */
error = FALSE;
old = XSetErrorHandler(window_error_handler);
XReparentWindow(display, traywin_id, root, 0, 0);
XSync(display, False);
XSetErrorHandler(old);
reposition_icons();
fix_geometry();
}
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