]> Dogcows Code - chaz/openbox/blobdiff - scripts/focus.py
speed up workspace switching by causing the minimal number of expose events (none...
[chaz/openbox] / scripts / focus.py
index 667f92d7a8da641ddcf5bfed44662086d69fdb6e..9eb6bfb8177c5391052d8a0b9085892c5f03c334 100644 (file)
 ###          Functions for helping out with your window focus.          ###
 ###########################################################################
 
-###########################################################################
-###         Options that affect the behavior of the focus module.       ###
-###                                                                     ###
-# cycle_raise - raise the window also when it is focused                ###
-cycle_raise = 1                                                         ###
-# avoid_skip_taskbar - Don't focus windows which have requested to not  ###
-###                    be displayed in taskbars. You will still be able ###
-###                    to focus the windows, but not through cycling,   ###
-###                    and they won't be focused as a fallback if       ###
-###                    'fallback' is enabled.                           ###
-avoid_skip_taskbar = 1                                                  ###
-# stacked_cycle_raise - raise as you cycle in stacked mode              ###
-stacked_cycle_raise = 0                                                 ###
-# stacked_cycle_popup_list - show a pop-up list of windows while        ###
-###                          cycling                                    ###
-stacked_cycle_popup_list = 1                                            ###
-# send focus somewhere when nothing is left with the focus, if possible ###
-fallback = 0                                                            ###
-###                                                                     ###
-###                                                                     ###
-# Provides:                                                             ###
-# def focus_next_stacked(data, forward=1):                              ###
-#   """Focus the next (or previous, with forward=0) window in a stacked ###
-#      order."""                                                        ###
-# def focus_prev_stacked(data):                                         ###
-#   """Focus the previous window in a stacked order."""                 ###
-# def focus_next(data, num=1, forward=1):                               ###
-#   """Focus the next (or previous, with forward=0) window in a linear  ###
-#      order."""                                                        ###
-# def focus_prev(data, num=1):                                          ###
-#   """Focus the previous window in a linear order."""                  ###
-###                                                                     ###
-# All of these functions call be used as callbacks for bindings         ###
-# directly.                                                             ###
-###                                                                     ###
-###########################################################################
-
-import otk
-import ob
-
+import config, ob
+
+export_functions = ()
+
+config.add('focus',
+           'avoid_skip_taskbar',
+           'Avoid SkipTaskbar Windows',
+           "Don't focus windows which have requested to not be displayed " + \
+           "in taskbars. You will still be able to focus the windows, but " + \
+           "not through cycling, and they won't be focused as a fallback " + \
+           "if 'Focus Fallback' is enabled.",
+           'boolean',
+           1)
+
+config.add('focus',
+           'fallback',
+           'Focus Fallback',
+           "Send focus somewhere when nothing is left with the focus, if " + \
+           "possible.",
+           'boolean',
+           1)
+                    
 # maintain a list of clients, stacked in focus order
 _clients = []
-# maintaint he current focused window
-_doing_stacked = 0
-
-def _new_win(data):
-    global _clients
-    global _doing_stacked
-    global _cyc_w;
-
-    if _doing_stacked:
-        _clients.insert(_clients.index(_cyc_w), data.client.window())
-        _create_popup_list(data)
-        _hilite_popup_list(data)
-    else:
-        if not len(_clients):
-            _clients.append(data.client.window())
-        else:
-            _clients.insert(1, data.client.window()) # insert in 2nd slot
+_skip = 0
+
+def _focusable(client, desktop):
+    if not client.normal(): return 0
+    if not (client.canFocus() or client.focusNotify()): return 0
+    if client.iconic(): return 0
+    if config.get('focus', 'avoid_skip_taskbar') and \
+       client.skipTaskbar(): return 0
+
+    desk = client.desktop()
+    if not (desk == 0xffffffff or desk == desktop): return 0
+
+    return 1
+
+def _remove(client):
+    """This function exists because Swig pointers don't define a __eq__
+       function, so list.remove(ptr) does not work."""
+    win = client.window()
+    for i in range(len(_clients)):
+        if _clients[i].window() == win:
+            _clients.pop(i)
+            return
+    raise ValueError("_remove(x): x not in _clients list.")
 
-def _close_win(data):
-    global _clients
-    global _cyc_w;
-    global _doing_stacked
+def _focused(data):
+    global _clients, _skip
 
-    if not _doing_stacked:
-        # not in the middle of stacked cycling, so who cares
-        _clients.remove(data.client.window())
-    else:
-        # have to fix the cycling if we remove anything
-        win = data.client.window()
-        if _cyc_w == win:
-            _do_stacked_cycle(data, 1) # cycle off the window first, forward
-        _clients.remove(win)
-        _create_popup_list(data)
+    if _skip:
+        _skip -= 1
+        return
 
-def _focused(data):
-    global _clients
-    global _doing_stacked
-    global _cyc_w
-    
     if data.client:
-        if not _doing_stacked: # only move the window when we're not cycling
-            win = data.client.window()
-            # move it to the top
-            _clients.remove(win)
-            _clients.insert(0, win)
-        else: # if we are cycling, then update our pointer
-            _cyc_w = data.client.window()
-            _hilite_popup_list(data)
-    elif fallback: 
+        # move it to the top
+        try:
+            _remove(data.client)
+        except ValueError: pass # happens if _focused comes before _newwindow
+        _clients.insert(0, data.client)
+    elif config.get('focus', 'fallback'):
         # pass around focus
-        desktop = ob.openbox.screen(_cyc_screen).desktop()
-        for w in _clients:
-            client = ob.openbox.findClient(w)
-            if client and not (avoid_skip_taskbar and client.skipTaskbar()) \
-                   and (client.desktop() == desktop or
-                        client.desktop() == 0xffffffff) \
-                        and client.normal() and client.focus():
-                break
-        if _doing_stacked:
-            _cyc_w = 0
-            _hilite_popup_list(data)
-
-_cyc_mask = 0
-_cyc_key = 0
-_cyc_w = 0 # last window cycled to
-_cyc_screen = 0
-
-def _do_stacked_cycle(data, forward):
-    global _cyc_w
-    global stacked_cycle_raise
-    global _clients
-
-    clients = _clients[:] # make a copy
-
-    if not forward:
-        clients.reverse()
-
-    try:
-        i = clients.index(_cyc_w) + 1
-    except ValueError:
-        i = 1
-    clients = clients[i:] + clients[:i]
-        
-    desktop = ob.openbox.screen(data.screen).desktop()
-    for w in clients:
-        client = ob.openbox.findClient(w)
-                   
-        if client and not (avoid_skip_taskbar and client.skipTaskbar()) and \
-               (client.desktop() == desktop or client.desktop() == 0xffffffff)\
-                and client.normal() and client.focus():
-            if stacked_cycle_raise:
-                ob.openbox.screen(data.screen).raiseWindow(client)
-            return
-
-def _focus_stacked_ungrab(data):
-    global _cyc_mask;
-    global _cyc_key;
-    global _doing_stacked;
-
-    if data.action == ob.KeyAction.Release:
-        # have all the modifiers this started with been released?
-        if not _cyc_mask & data.state:
-            _destroy_popup_list()
-            ob.kungrab()
-            ob.mungrab()
-            _doing_stacked = 0;
-            if cycle_raise:
-                client = ob.openbox.findClient(_cyc_w)
-                if client:
-                    ob.openbox.screen(data.screen).raiseWindow(client)
-
-_list_widget = 0
-_list_labels = []
-_list_windows = []
-
-def _hilite_popup_list(data):
-    global _cyc_w, _doing_stacked
-    global _list_widget, _list_labels, _list_windows
-    found = 0
-
-    if not _list_widget and _doing_stacked:
-        _create_popup_list(data)
-    
-    if _list_widget:
-        i = 0
-        for w in _list_windows:
-            if w == _cyc_w:
-                _list_labels[i].focus()
-                found = 1
-            else:
-                _list_labels[i].unfocus()
-            i += 1
-    if not found:
-        _create_popup_list(data)
-
-def _destroy_popup_list():
-    global _list_widget, _list_labels, _list_windows
-    if _list_widget:
-        _list_windows = []
-        _list_labels = []
-        _list_widget = 0
-    
-def _create_popup_list(data):
-    global avoid_skip_taskbar
-    global _list_widget, _list_labels, _list_windows, _clients
-
-    if _list_widget:
-        _destroy_popup_list()
-    
-    style = ob.openbox.screen(data.screen).style()
-    _list_widget = otk.Widget(ob.openbox, style,
-                              otk.Widget.Vertical, 0,
-                              style.bevelWidth(), 1)
-    t = style.titlebarFocusBackground()
-    _list_widget.setTexture(t)
-
-    titles = []
-    font = style.labelFont()
-    height = font.height()
-    longest = 0
-    for c in _clients:
-        client = ob.openbox.findClient(c)
         desktop = ob.openbox.screen(data.screen).desktop()
-        if client and not (avoid_skip_taskbar and client.skipTaskbar()) and \
-               (client.desktop() == desktop or client.desktop() == 0xffffffff)\
-               and client.normal() and (client.canFocus() or
-                                        client.focusNotify()):
-            t = client.title()
-            if len(t) > 50: # limit the length of titles
-                t = t[:24] + "..." + t[-24:]
-            titles.append(t)
-            _list_windows.append(c)
-            l = font.measureString(t)
-            if l > longest: longest = l
-    if len(titles) > 1:
-        for t in titles:
-            w = otk.FocusLabel(_list_widget)
-            w.fitSize(longest, height)
-            w.setText(t)
-            w.unfocus()
-            _list_labels.append(w)
-        _list_widget.update()
-        area = otk.display.screenInfo(data.screen).rect()
-        _list_widget.move(area.x() + (area.width() -
-                                      _list_widget.width()) / 2,
-                          area.y() + (area.height() -
-                                      _list_widget.height()) / 2)
-        _list_widget.show(1)
-    else:
-        _destroy_popup_list() # nothing (or only 1) to list
-
-def focus_next_stacked(data, forward=1):
-    """Focus the next (or previous, with forward=0) window in a stacked
-       order."""
-    global _cyc_mask
-    global _cyc_key
-    global _cyc_w
-    global _cyc_screen
-    global _doing_stacked
-
-    if _doing_stacked:
-        if _cyc_key == data.key:
-            _do_stacked_cycle(data,forward)
-    else:
-        _cyc_mask = data.state
-        _cyc_key = data.key
-        _cyc_w = 0
-        _cyc_screen = data.screen
-        _doing_stacked = 1
-
-        global stacked_cycle_popup_list
-        if stacked_cycle_popup_list:
-            _create_popup_list(data)
-
-        ob.kgrab(data.screen, _focus_stacked_ungrab)
-        # the pointer grab causes pointer events during the keyboard grab to
-        # go away, which means we don't get enter notifies when the popup
-        # disappears, screwing up the focus
-        ob.mgrab(data.screen)
-        focus_next_stacked(data, forward) # start with the first press
-
-def focus_prev_stacked(data):
-    """Focus the previous window in a stacked order."""
-    focus_next_stacked(data, forward=0)
-
-def focus_next(data, num=1, forward=1):
-    """Focus the next (or previous, with forward=0) window in a linear
-       order."""
-    global avoid_skip_taskbar
-
-    screen = ob.openbox.screen(data.screen)
-    count = screen.clientCount()
-
-    if not count: return # no clients
-    
-    target = 0
-    if data.client:
-        client_win = data.client.window()
-        found = 0
-        r = range(count)
-        if not forward:
-            r.reverse()
-        for i in r:
-            if found:
-                target = i
-                found = 2
+        for c in _clients:
+            if _focusable(c, desktop):
+                c.focus()
                 break
-            elif screen.client(i).window() == client_win:
-                found = 1
-        if found == 1: # wraparound
-            if forward: target = 0
-            else: target = count - 1
 
-    t = target
-    curdesk = screen.desktop()
-    while 1:
-        client = screen.client(t)
-        if not (avoid_skip_taskbar and client.skipTaskbar()) and \
-               client.normal() and (client.desktop() == curdesk or
-                                    client.desktop() == 0xffffffff)\
-                                    and client.focus():
-            if cycle_raise:
-                screen.raiseWindow(client)
+def _newwindow(data):
+    # make sure its not already in the list
+    win = data.client.window()
+    for i in range(len(_clients)):
+        if _clients[i].window() == win:
             return
-        if forward:
-            t += num
-            if t >= count: t -= count
-        else:
-            t -= num
-            if t < 0: t += count
-        if t == target: return # nothing to focus
-
-def focus_prev(data, num=1):
-    """Focus the previous window in a linear order."""
-    focus_next(data, num, forward=0)
-
+    _clients.append(data.client)
+        
+def _closewindow(data):
+    _remove(data.client)
 
-ob.ebind(ob.EventAction.NewWindow, _new_win)
-ob.ebind(ob.EventAction.CloseWindow, _close_win)
+ob.ebind(ob.EventAction.NewWindow, _newwindow)
+ob.ebind(ob.EventAction.CloseWindow, _closewindow)
 ob.ebind(ob.EventAction.Focus, _focused)
 
 print "Loaded focus.py"
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