127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
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propwin.c for the Openbox window manager
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Copyright (c) 2006 Mikael Magnusson
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Copyright (c) 2003-2007 Dana Jansens
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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See the COPYING file for a copy of the GNU General Public License.
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*/
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#include "propwin.h"
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#include "openbox.h"
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#include "client.h"
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#include "debug.h"
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typedef struct _ObPropWin ObPropWin;
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typedef struct _ObPropWinData ObPropWinData;
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struct _ObPropWinData
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{
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GSList *clients;
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};
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struct _ObPropWin
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{
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Window win;
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ObPropWinData data[OB_NUM_PROPWIN_TYPES];
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};
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/*! A hash table that maps a window to an ObPropWin */
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static GHashTable *propwin_map;
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static guint window_hash(Window *w) { return *w; }
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static gboolean window_comp(Window *w1, Window *w2) { return *w1 == *w2; }
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void propwin_startup(gboolean reconfig)
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{
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if (!reconfig)
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propwin_map = g_hash_table_new_full((GHashFunc)window_hash,
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(GEqualFunc)window_comp,
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NULL,
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g_free);
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}
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void propwin_shutdown(gboolean reconfig)
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{
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if (!reconfig)
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g_hash_table_destroy(propwin_map);
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else
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g_assert(g_hash_table_size(propwin_map) == 0);
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}
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void propwin_add(Window win, ObPropWinType type, ObClient *client)
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{
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ObPropWin *p;
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if (!win) return;
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g_assert(client);
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g_assert(type < OB_NUM_PROPWIN_TYPES);
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p = g_hash_table_lookup(propwin_map, &win);
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if (!p) {
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p = g_new0(ObPropWin, 1);
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p->win = win;
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g_hash_table_insert(propwin_map, &p->win, p);
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/* get property changes on this window */
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XSelectInput(ob_display, win, PropertyChangeMask);
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} else
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g_assert(g_slist_find(p->data[type].clients, client) == NULL);
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if (p->data[type].clients != NULL)
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ob_debug("Client %s is using a property window 0x%x that is already "
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"in use\n", client->title, win);
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/* add it to the clients list */
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p->data[type].clients = g_slist_prepend(p->data[type].clients, client);
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}
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void propwin_remove(Window win, ObPropWinType type, ObClient *client)
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{
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ObPropWin *p;
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if (!win) return;
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p = g_hash_table_lookup(propwin_map, &win);
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g_assert(p);
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/* remove it to the clients list */
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g_assert(g_slist_find(p->data[type].clients, client) != NULL);
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p->data[type].clients = g_slist_remove(p->data[type].clients, client);
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/* no more clients left for this type */
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if (p->data[type].clients == NULL) {
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guint i;
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gboolean none = TRUE;
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for (i = 0; i < OB_NUM_PROPWIN_TYPES; ++i)
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if (p->data[i].clients != NULL)
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none = FALSE; /* another type still has a client for this
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window */
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if (none) {
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/* don't get events for this window any more */
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XSelectInput(ob_display, win, NoEventMask);
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g_hash_table_remove(propwin_map, &win);
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}
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}
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}
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GSList* propwin_get_clients(Window win, ObPropWinType type)
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{
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ObPropWin *p = g_hash_table_lookup(propwin_map, &win);
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if (p)
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return p->data[type].clients;
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else
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return NULL;
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}
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