scripts/focus.py

   1 ###########################################################################
   2 ###          Functions for helping out with your window focus.          ###
   3 ###########################################################################
   4
   5 ###########################################################################
   6 ###         Options that affect the behavior of the focus module.       ###
   7 ###                                                                     ###
   8 # raise the window also when it is focused                              ###
   9 cycle_raise = 1                                                         ###
  10 # raise as you cycle in stacked mode                                    ###
  11 stacked_cycle_raise = 0                                                 ###
  12 # show a pop-up list of windows while cycling                           ###
  13 cycle_popup_list = 1
  14 # send focus somewhere when nothing is left with the focus, if possible ###
  15 fallback = 0                                                            ###
  16 ###                                                                     ###
  17 ###########################################################################
  18
  19 import otk
  20 import ob
  21
  22 # maintain a list of clients, stacked in focus order
  23 _clients = []
  24 # maintaint he current focused window
  25 _doing_stacked = 0
  26
  27 def _new_win(data):
  28     global _clients
  29     global _doing_stacked
  30     global _cyc_w;
  31
  32     if _doing_stacked:
  33         _clients.insert(_clients.index(_cyc_w), data.client.window())
  34     else:
  35         if not len(_clients):
  36             _clients.append(data.client.window())
  37         else:
  38             _clients.insert(1, data.client.window()) # insert in 2nd slot
  39
  40 def _close_win(data):
  41     global _clients
  42     global _cyc_w;
  43     global _doing_stacked
  44
  45     if not _doing_stacked:
  46         # not in the middle of stacked cycling, so who cares
  47         _clients.remove(data.client.window())
  48     else:
  49         # have to fix the cycling if we remove anything
  50         win = data.client.window()
  51         if _cyc_w == win:
  52             _do_stacked_cycle(data) # cycle off the window first
  53         _clients.remove(win)
  54
  55 def _focused(data):
  56     global _clients
  57     global _doing_stacked
  58     global _cyc_w
  59
  60     if data.client:
  61         if not _doing_stacked: # only move the window when we're not cycling
  62             win = data.client.window()
  63             # move it to the top
  64             _clients.remove(win)
  65             _clients.insert(0, win)
  66         else: # if we are cycling, then update our pointer
  67             _cyc_w = data.client.window()
  68             global _list_widget, _list_labels, _list_windows
  69             if _list_widget:
  70                 i = 0
  71                 for w in _list_windows:
  72                     if w == _cyc_w: _list_labels[i].focus()
  73                     else: _list_labels[i].unfocus()
  74                     i += 1
  75     elif fallback:
  76         # pass around focus
  77         desktop = ob.openbox.screen(_cyc_screen).desktop()
  78         for w in _clients:
  79             client = ob.openbox.findClient(w)
  80             if client and (client.desktop() == desktop and \
  81                            client.normal() and client.focus()):
  82                 break
  83
  84 _cyc_mask = 0
  85 _cyc_key = 0
  86 _cyc_w = 0 # last window cycled to
  87 _cyc_screen = 0
  88
  89 def _do_stacked_cycle(data, forward):
  90     global _cyc_w
  91     global stacked_cycle_raise
  92     global _clients
  93
  94     clients = _clients[:] # make a copy
  95
  96     if not forward:
  97         clients.reverse()
  98
  99     try:
 100         i = clients.index(_cyc_w) + 1
 101     except ValueError:
 102         i = 1
 103     clients = clients[i:] + clients[:i]
 104
 105     desktop = ob.openbox.screen(data.screen).desktop()
 106     for w in clients:
 107         client = ob.openbox.findClient(w)
 108         if client and (client.desktop() == desktop and \
 109                        client.normal() and client.focus()):
 110             if stacked_cycle_raise:
 111                 ob.openbox.screen(data.screen).raiseWindow(client)
 112             return
 113
 114 def _focus_stacked_ungrab(data):
 115     global _cyc_mask;
 116     global _cyc_key;
 117     global _doing_stacked;
 118
 119     if data.action == ob.KeyAction.Release:
 120         # have all the modifiers this started with been released?
 121         if not _cyc_mask & data.state:
 122             ob.kungrab() # ungrab ourself
 123             _doing_stacked = 0;
 124             if cycle_raise:
 125                 client = ob.openbox.findClient(_cyc_w)
 126                 if client:
 127                     ob.openbox.screen(data.screen).raiseWindow(client)
 128             global _list_widget, _list_labels, _list_windows
 129             if _list_widget:
 130                 _list_windows = []
 131                 _list_labels = []
 132                 _list_widget = 0
 133
 134 _list_widget = 0
 135 _list_labels = []
 136 _list_windows = []
 137
 138 def focus_next_stacked(data, forward=1):
 139     """Focus the next (or previous, with forward=0) window in a stacked
 140        order."""
 141     global _cyc_mask
 142     global _cyc_key
 143     global _cyc_w
 144     global _cyc_screen
 145     global _doing_stacked
 146
 147     if _doing_stacked:
 148         if _cyc_key == data.key:
 149             _do_stacked_cycle(data,forward)
 150     else:
 151         _cyc_mask = data.state
 152         _cyc_key = data.key
 153         _cyc_w = 0
 154         _cyc_screen = data.screen
 155         _doing_stacked = 1
 156
 157         global cycle_popup_list
 158         if cycle_popup_list:
 159             global _list_widget, _list_labels
 160             if not _list_widget: # make the widget list
 161                 style = ob.openbox.screen(data.screen).style()
 162                 _list_widget = otk.Widget(ob.openbox, style,
 163                                           otk.Widget.Vertical, 0,
 164                                           style.bevelWidth(), 1)
 165                 t = style.labelFocusBackground()
 166                 _list_widget.setTexture(t)
 167
 168                 titles = []
 169                 font = style.labelFont()
 170                 height = font.height()
 171                 longest = 0
 172                 for c in _clients:
 173                     client = ob.openbox.findClient(c)
 174                     screen = ob.openbox.screen(data.screen)
 175                     desktop = screen.desktop()
 176                     if client and (client.desktop() == desktop and \
 177                                    client.normal()):
 178                         t = client.title()
 179                         titles.append(t)
 180                         _list_windows.append(c)
 181                         l = font.measureString(t)
 182                         if l > longest: longest = l
 183                 if len(titles):
 184                     for t in titles:
 185                         w = otk.FocusLabel(_list_widget)
 186                         w.resize(longest, height)
 187                         w.setText(t)
 188                         w.unfocus()
 189                         _list_labels.append(w)
 190                     _list_labels[0].focus()
 191                     _list_widget.update()
 192                     area = screen.area()
 193                     _list_widget.move(area.x() + (area.width() -
 194                                                   _list_widget.width()) / 2,
 195                                       area.y() + (area.height() -
 196                                                   _list_widget.height()) / 2)
 197                     _list_widget.show(1)
 198                 else:
 199                     _list_widget = 0 #nothing to list
 200
 201         ob.kgrab(data.screen, _focus_stacked_ungrab)
 202         focus_next_stacked(data, forward) # start with the first press
 203
 204 def focus_prev_stacked(data):
 205     """Focus the previous window in a stacked order."""
 206     focus_next_stacked(data, forward=0)
 207
 208 def focus_next(data, num=1, forward=1):
 209     """Focus the next (or previous, with forward=0) window in a linear
 210        order."""
 211     screen = ob.openbox.screen(data.screen)
 212     count = screen.clientCount()
 213
 214     if not count: return # no clients
 215
 216     target = 0
 217     if data.client:
 218         client_win = data.client.window()
 219         found = 0
 220         r = range(count)
 221         if not forward:
 222             r.reverse()
 223         for i in r:
 224             if found:
 225                 target = i
 226                 found = 2
 227                 break
 228             elif screen.client(i).window() == client_win:
 229                 found = 1
 230         if found == 1: # wraparound
 231             if forward: target = 0
 232             else: target = count - 1
 233
 234     t = target
 235     curdesk = screen.desktop()
 236     while 1:
 237         client = screen.client(t)
 238         if client.normal() and \
 239                (client.desktop() == curdesk or client.desktop() == 0xffffffff)\
 240                and client.focus():
 241             if cycle_raise:
 242                 screen.raiseWindow(client)
 243             return
 244         if forward:
 245             t += num
 246             if t >= count: t -= count
 247         else:
 248             t -= num
 249             if t < 0: t += count
 250         if t == target: return # nothing to focus
 251
 252 def focus_prev(data, num=1):
 253     """Focus the previous window in a linear order."""
 254     focus_next(data, num, forward=0)
 255
 256
 257 ob.ebind(ob.EventAction.NewWindow, _new_win)
 258 ob.ebind(ob.EventAction.CloseWindow, _close_win)
 259 ob.ebind(ob.EventAction.Focus, _focused)
 260
 261 print "Loaded focus.py"