Hear screen resizes when they don't change the root window (cloning)
[dana/openbox.git] / openbox / screen.c
index bb98e08..91bbb4e 100644 (file)
 #include "focus.h"
 #include "focus_cycle.h"
 #include "popup.h"
-#include "render/render.h"
+#include "version.h"
+#include "obrender/render.h"
 #include "gettext.h"
 #include "obt/display.h"
+#include "obt/xqueue.h"
 #include "obt/prop.h"
-#include "obt/mainloop.h"
 
 #include <X11/Xlib.h>
 #ifdef HAVE_UNISTD_H
@@ -69,6 +70,7 @@ Time            screen_desktop_user_time = CurrentTime;
 static Size     screen_physical_size;
 static guint    screen_old_desktop;
 static gboolean screen_desktop_timeout = TRUE;
+static guint    screen_desktop_timer = 0;
 /*! An array of desktops, holding an array of areas per monitor */
 static Rect  *monitor_area = NULL;
 /*! An array of desktops, holding an array of struts */
@@ -78,11 +80,12 @@ static GSList *struts_right = NULL;
 static GSList *struts_bottom = NULL;
 
 static ObPagerPopup *desktop_popup;
+static guint         desktop_popup_timer = 0;
 static gboolean      desktop_popup_perm;
 
 /*! The number of microseconds that you need to be on a desktop before it will
   replace the remembered "last desktop" */
-#define REMEMBER_LAST_DESKTOP_TIME 750000
+#define REMEMBER_LAST_DESKTOP_TIME 750
 
 static gboolean replace_wm(void)
 {
@@ -115,7 +118,7 @@ static gboolean replace_wm(void)
             current_wm_sn_owner = None;
     }
 
-    timestamp = event_get_server_time();
+    timestamp = event_time();
 
     XSetSelectionOwner(obt_display, wm_sn_atom, screen_support_win,
                        timestamp);
@@ -128,14 +131,16 @@ static gboolean replace_wm(void)
 
     /* Wait for old window manager to go away */
     if (current_wm_sn_owner) {
-      XEvent event;
       gulong wait = 0;
       const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
+      ObtXQueueWindowType wt;
+
+      wt.window = current_wm_sn_owner;
+      wt.type = DestroyNotify;
 
       while (wait < timeout) {
-          if (XCheckWindowEvent(obt_display, current_wm_sn_owner,
-                                StructureNotifyMask, &event) &&
-              event.type == DestroyNotify)
+          /* Checks the local queue and incoming events for this event */
+          if (xqueue_exists_local(xqueue_match_window_type, &wt))
               break;
           g_usleep(G_USEC_PER_SEC / 10);
           wait += G_USEC_PER_SEC / 10;
@@ -201,7 +206,7 @@ gboolean screen_annex(void)
                    NET_SUPPORTING_WM_CHECK, WINDOW, screen_support_win);
 
     /* set properties on the supporting window */
-    OBT_PROP_SETS(screen_support_win, NET_WM_NAME, utf8, "Openbox");
+    OBT_PROP_SETS(screen_support_win, NET_WM_NAME, "Openbox");
     OBT_PROP_SET32(screen_support_win, NET_SUPPORTING_WM_CHECK,
                    WINDOW, screen_support_win);
 
@@ -244,6 +249,7 @@ gboolean screen_annex(void)
     supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG);
     supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_NORMAL);
     supported[i++] = OBT_PROP_ATOM(NET_WM_ALLOWED_ACTIONS);
+    supported[i++] = OBT_PROP_ATOM(NET_WM_WINDOW_OPACITY);
     supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MOVE);
     supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_RESIZE);
     supported[i++] = OBT_PROP_ATOM(NET_WM_ACTION_MINIMIZE);
@@ -294,15 +300,21 @@ gboolean screen_annex(void)
     supported[i++] = OBT_PROP_ATOM(OB_THEME);
     supported[i++] = OBT_PROP_ATOM(OB_CONFIG_FILE);
     supported[i++] = OBT_PROP_ATOM(OB_CONTROL);
-    supported[i++] = OBT_PROP_ATOM(OB_ROLE);
-    supported[i++] = OBT_PROP_ATOM(OB_NAME);
-    supported[i++] = OBT_PROP_ATOM(OB_CLASS);
+    supported[i++] = OBT_PROP_ATOM(OB_VERSION);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_ROLE);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_TITLE);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_NAME);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_CLASS);
+    supported[i++] = OBT_PROP_ATOM(OB_APP_TYPE);
     g_assert(i == num_support);
 
     OBT_PROP_SETA32(obt_root(ob_screen),
                     NET_SUPPORTED, ATOM, supported, num_support);
     g_free(supported);
 
+    OBT_PROP_SETS(RootWindow(obt_display, ob_screen), OB_VERSION,
+                  OPENBOX_VERSION);
+
     screen_tell_ksplash();
 
     return TRUE;
@@ -364,7 +376,7 @@ void screen_startup(gboolean reconfig)
     screen_resize();
 
     /* have names already been set for the desktops? */
-    if (OBT_PROP_GETSS(obt_root(ob_screen), NET_DESKTOP_NAMES, utf8, &names)) {
+    if (OBT_PROP_GETSS_UTF8(obt_root(ob_screen), NET_DESKTOP_NAMES, &names)) {
         g_strfreev(names);
         namesexist = TRUE;
     }
@@ -386,7 +398,7 @@ void screen_startup(gboolean reconfig)
 
         /* set the root window property */
         OBT_PROP_SETSS(obt_root(ob_screen),
-                       NET_DESKTOP_NAMES, utf8, (const gchar**)names);
+                       NET_DESKTOP_NAMES, (const gchar*const*)names);
 
         g_strfreev(names);
     }
@@ -468,7 +480,6 @@ void screen_shutdown(gboolean reconfig)
 
 void screen_resize(void)
 {
-    static gint oldw = 0, oldh = 0;
     gint w, h;
     GList *it;
     gulong geometry[2];
@@ -476,10 +487,6 @@ void screen_resize(void)
     w = WidthOfScreen(ScreenOfDisplay(obt_display, ob_screen));
     h = HeightOfScreen(ScreenOfDisplay(obt_display, ob_screen));
 
-    if (w == oldw && h == oldh) return;
-
-    oldw = w; oldh = h;
-
     /* Set the _NET_DESKTOP_GEOMETRY hint */
     screen_physical_size.width = geometry[0] = w;
     screen_physical_size.height = geometry[1] = h;
@@ -489,7 +496,7 @@ void screen_resize(void)
     if (ob_state() != OB_STATE_RUNNING)
         return;
 
-    screen_update_areas();
+    /* this calls screen_update_areas(), which we need ! */
     dock_configure();
 
     for (it = client_list; it; it = g_list_next(it))
@@ -591,7 +598,8 @@ static void screen_fallback_focus(void)
 static gboolean last_desktop_func(gpointer data)
 {
     screen_desktop_timeout = TRUE;
-    return FALSE;
+    screen_desktop_timer = 0;
+    return FALSE; /* don't repeat */
 }
 
 void screen_set_desktop(guint num, gboolean dofocus)
@@ -673,9 +681,9 @@ void screen_set_desktop(guint num, gboolean dofocus)
         }
     }
     screen_desktop_timeout = FALSE;
-    obt_main_loop_timeout_remove(ob_main_loop, last_desktop_func);
-    obt_main_loop_timeout_add(ob_main_loop, REMEMBER_LAST_DESKTOP_TIME,
-                              last_desktop_func, NULL, NULL, NULL);
+    if (screen_desktop_timer) g_source_remove(screen_desktop_timer);
+    screen_desktop_timer = g_timeout_add(REMEMBER_LAST_DESKTOP_TIME,
+                                         last_desktop_func, NULL);
 
     ob_debug("Moving to desktop %d", num+1);
 
@@ -705,9 +713,6 @@ void screen_set_desktop(guint num, gboolean dofocus)
         if (WINDOW_IS_CLIENT(it->data)) {
             ObClient *c = it->data;
             if (client_hide(c)) {
-                /* in the middle of cycling..? kill it. */
-                focus_cycle_stop(c);
-
                 if (c == focus_client) {
                     /* c was focused and we didn't do fallback clearly so make
                        sure openbox doesnt still consider the window focused.
@@ -723,10 +728,12 @@ void screen_set_desktop(guint num, gboolean dofocus)
         }
     }
 
+    focus_cycle_addremove(NULL, TRUE);
+
     event_end_ignore_all_enters(ignore_start);
 
-    if (event_curtime != CurrentTime)
-        screen_desktop_user_time = event_curtime;
+    if (event_source_time() != CurrentTime)
+        screen_desktop_user_time = event_source_time();
 }
 
 void screen_add_desktop(gboolean current)
@@ -928,12 +935,13 @@ static guint translate_row_col(guint r, guint c)
 static gboolean hide_desktop_popup_func(gpointer data)
 {
     pager_popup_hide(desktop_popup);
+    desktop_popup_timer = 0;
     return FALSE; /* don't repeat */
 }
 
 void screen_show_desktop_popup(guint d, gboolean perm)
 {
-    Rect *a;
+    const Rect *a;
 
     /* 0 means don't show the popup */
     if (!config_desktop_popup_time) return;
@@ -950,23 +958,21 @@ void screen_show_desktop_popup(guint d, gboolean perm)
                           MAX(a->width/3, POPUP_WIDTH));
     pager_popup_show(desktop_popup, screen_desktop_names[d], d);
 
-    obt_main_loop_timeout_remove(ob_main_loop, hide_desktop_popup_func);
+    if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
+    desktop_popup_timer = 0;
     if (!perm && !desktop_popup_perm)
         /* only hide if its not already being show permanently */
-        obt_main_loop_timeout_add(ob_main_loop,
-                                  config_desktop_popup_time * 1000,
-                                  hide_desktop_popup_func, desktop_popup,
-                                  g_direct_equal, NULL);
+        desktop_popup_timer = g_timeout_add(config_desktop_popup_time,
+                                            hide_desktop_popup_func,
+                                            desktop_popup);
     if (perm)
         desktop_popup_perm = TRUE;
-
-    g_free(a);
 }
 
 void screen_hide_desktop_popup(void)
 {
-    obt_main_loop_timeout_remove_data(ob_main_loop, hide_desktop_popup_func,
-                                      desktop_popup, FALSE);
+    if (desktop_popup_timer) g_source_remove(desktop_popup_timer);
+    desktop_popup_timer = 0;
     pager_popup_hide(desktop_popup);
     desktop_popup_perm = FALSE;
 }
@@ -1172,7 +1178,7 @@ void screen_update_desktop_names(void)
     screen_desktop_names = NULL;
 
     if (OBT_PROP_GETSS(obt_root(ob_screen),
-                       NET_DESKTOP_NAMES, utf8, &screen_desktop_names))
+                       NET_DESKTOP_NAMES, &screen_desktop_names))
         for (i = 0; screen_desktop_names[i] && i < screen_num_desktops; ++i);
     else
         i = 0;
@@ -1199,7 +1205,7 @@ void screen_update_desktop_names(void)
         /* if we changed any names, then set the root property so we can
            all agree on the names */
         OBT_PROP_SETSS(obt_root(ob_screen), NET_DESKTOP_NAMES,
-                       utf8, (const gchar**)screen_desktop_names);
+                       (const gchar*const*)screen_desktop_names);
     }
 
     /* resize the pager for these names */
@@ -1292,11 +1298,14 @@ typedef struct {
 } ObScreenStrut;
 
 #define RESET_STRUT_LIST(sl) \
-    (g_slist_free(sl), sl = NULL)
+    while (sl) { \
+        g_slice_free(ObScreenStrut, (sl)->data); \
+        sl = g_slist_delete_link(sl, sl); \
+    }
 
 #define ADD_STRUT_TO_LIST(sl, d, s) \
 { \
-    ObScreenStrut *ss = g_new(ObScreenStrut, 1); \
+    ObScreenStrut *ss = g_slice_new(ObScreenStrut); \
     ss->desktop = d; \
     ss->strut = s;  \
     sl = g_slist_prepend(sl, ss); \
@@ -1364,7 +1373,14 @@ void screen_update_areas(void)
 {
     guint i;
     gulong *dims;
-    GList *it;
+    GList *it, *onscreen;
+
+    /* collect the clients that are on screen */
+    onscreen = NULL;
+    for (it = client_list; it; it = g_list_next(it)) {
+        if (client_monitor(it->data) != screen_num_monitors)
+            onscreen = g_list_prepend(onscreen, it->data);
+    }
 
     g_free(monitor_area);
     get_xinerama_screens(&monitor_area, &screen_num_monitors);
@@ -1430,7 +1446,7 @@ void screen_update_areas(void)
         dims[i*4+1] = area->y;
         dims[i*4+2] = area->width;
         dims[i*4+3] = area->height;
-        g_free(area);
+        g_slice_free(Rect, area);
     }
 
     /* set the legacy workarea hint to the union of all the monitors */
@@ -1438,7 +1454,7 @@ void screen_update_areas(void)
                     dims, 4 * screen_num_desktops);
 
     /* the area has changed, adjust all the windows if they need it */
-    for (it = client_list; it; it = g_list_next(it))
+    for (it = onscreen; it; it = g_list_next(it))
         client_reconfigure(it->data, FALSE);
 
     g_free(dims);
@@ -1602,7 +1618,7 @@ Rect* screen_area(guint desktop, guint head, Rect *search)
         }
     }
 
-    a = g_new(Rect, 1);
+    a = g_slice_new(Rect);
     a->x = l;
     a->y = t;
     a->width = r - l + 1;
@@ -1610,14 +1626,14 @@ Rect* screen_area(guint desktop, guint head, Rect *search)
     return a;
 }
 
-guint screen_find_monitor(Rect *search)
+guint screen_find_monitor(const Rect *search)
 {
     guint i;
     guint most = screen_num_monitors;
     guint mostv = 0;
 
     for (i = 0; i < screen_num_monitors; ++i) {
-        Rect *area = screen_physical_area_monitor(i);
+        const Rect *area = screen_physical_area_monitor(i);
         if (RECT_INTERSECTS_RECT(*area, *search)) {
             Rect r;
             guint v;
@@ -1630,24 +1646,20 @@ guint screen_find_monitor(Rect *search)
                 most = i;
             }
         }
-        g_free(area);
     }
-    return most;
+    return most < screen_num_monitors ? most : screen_monitor_primary(FALSE);
 }
 
-Rect* screen_physical_area_all_monitors(void)
+const Rect* screen_physical_area_all_monitors(void)
 {
     return screen_physical_area_monitor(screen_num_monitors);
 }
 
-Rect* screen_physical_area_monitor(guint head)
+const Rect* screen_physical_area_monitor(guint head)
 {
-    Rect *a;
     g_assert(head <= screen_num_monitors);
 
-    a = g_new(Rect, 1);
-    *a = monitor_area[head];
-    return a;
+    return &monitor_area[head];
 }
 
 gboolean screen_physical_area_monitor_contains(guint head, Rect *search)
@@ -1667,7 +1679,7 @@ guint screen_monitor_active(void)
         return screen_monitor_pointer();
 }
 
-Rect* screen_physical_area_active(void)
+const Rect* screen_physical_area_active(void)
 {
     return screen_physical_area_monitor(screen_monitor_active());
 }
@@ -1688,7 +1700,7 @@ guint screen_monitor_primary(gboolean fixed)
         return screen_monitor_pointer();
 }
 
-Rect *screen_physical_area_primary(gboolean fixed)
+const Rect* screen_physical_area_primary(gboolean fixed)
 {
     return screen_physical_area_monitor(screen_monitor_primary(fixed));
 }
@@ -1736,3 +1748,12 @@ gboolean screen_pointer_pos(gint *x, gint *y)
     }
     return ret;
 }
+
+gboolean screen_compare_desktops(guint a, guint b)
+{
+    if (a == DESKTOP_ALL)
+        a = screen_desktop;
+    if (b == DESKTOP_ALL)
+        b = screen_desktop;
+    return a == b;
+}