87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
#include "openbox.h"
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#include "client.h"
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#include "screen.h"
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#include "prop.h"
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#include "dispatch.h"
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#include <X11/Xlib.h>
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#include <glib.h>
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Client *focus_client = NULL;
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GList **focus_order = NULL; /* these lists are created when screen_startup
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sets the number of desktops */
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Window focus_backup = None;
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void focus_set_client(Client *client);
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void focus_startup()
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{
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/* create the window which gets focus when no clients get it. Have to
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make it override-redirect so we don't try manage it, since it is
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mapped. */
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XSetWindowAttributes attrib;
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focus_client = NULL;
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attrib.override_redirect = TRUE;
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focus_backup = XCreateWindow(ob_display, ob_root,
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-100, -100, 1, 1, 0, 0, InputOnly,
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CopyFromParent, CWOverrideRedirect, &attrib);
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XMapRaised(ob_display, focus_backup);
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/* start with nothing focused */
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focus_set_client(NULL);
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}
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void focus_shutdown()
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{
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guint i;
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for (i = 0; i < screen_num_desktops; ++i)
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g_list_free(focus_order[i]);
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g_free(focus_order);
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focus_order = NULL;
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XDestroyWindow(ob_display, focus_backup);
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/* reset focus to root */
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XSetInputFocus(ob_display, PointerRoot, RevertToNone, CurrentTime);
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}
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void focus_set_client(Client *client)
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{
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Window active;
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Client *old;
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guint desktop;
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/* uninstall the old colormap, and install the new one */
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screen_install_colormap(focus_client, FALSE);
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screen_install_colormap(client, TRUE);
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if (client == NULL) {
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/* when nothing will be focused, send focus to the backup target */
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XSetInputFocus(ob_display, focus_backup, RevertToNone, CurrentTime);
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}
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old = focus_client;
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focus_client = client;
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/* move to the top of the list */
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if (client != NULL) {
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desktop = client->desktop;
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if (desktop == DESKTOP_ALL) desktop = screen_desktop;
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focus_order[desktop] = g_list_remove(focus_order[desktop], client);
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focus_order[desktop] = g_list_prepend(focus_order[desktop], client);
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}
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/* set the NET_ACTIVE_WINDOW hint */
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active = client ? client->window : None;
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PROP_SET32(ob_root, net_active_window, window, active);
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if (focus_client != NULL)
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dispatch_client(Event_Client_Focus, focus_client, 0, 0);
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if (old != NULL)
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dispatch_client(Event_Client_Unfocus, old, 0, 0);
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}
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