Dogcows Code - chaz/openbox/blob - scripts/motion.py

   1 ############################################################################
   2 ###    Functions that provide callbacks for motion events to move and    ###
   3 ###    resize windows.                                                   ###
   4 ############################################################################
   5
   6 #############################################################################
   7 ### Options that can be modified to change the functions' behaviors.      ###
   8 ###                                                                       ###
   9 # edge_resistance - the amount of resistance to provide to moving a       ###
  10 ###                 window past a screen boundary. Specify a value of 0   ###
  11 ###                 to disable edge resistance.                           ###
  12 edge_resistance = 10                                                      ###
  13 ###                                                                       ###
  14 # move_popup - display a coordinates popup when moving windows.           ###
  15 move_popup = 1                                                            ###
  16 ###                                                                       ###
  17 # NOT IMPLEMENTED (yet?)                                                  ###
  18 # move_rubberband - display an outline while moving instead of moving the ###
  19 ###                 actual window, until the move is completed. Good for  ###
  20 ###                 slower systems.                                       ###
  21 move_rubberband = 0                                                       ###
  22 ###                                                                       ###
  23 # resize_popup - display a size popup when resizing windows.              ###
  24 resize_popup = 1                                                          ###
  25 ###                                                                       ###
  26 # NOT IMPLEMENTED (yet?)                                                  ###
  27 # resize_rubberband - display an outline while resizing instead of        ###
  28 ###                   resizing the actual window, until the resize is     ###
  29 ###                   completed. Good for slower systems.                 ###
  30 resize_rubberband = 0                                                     ###
  31 ###                                                                       ###
  32 # resize_nearest - 1 to resize from the corner nearest where the mouse    ###
  33 ###                is, 0 to resize always from the bottom right corner.   ###
  34 resize_nearest = 1                                                        ###
  35 ###                                                                       ###
  36 ###                                                                       ###
  37 # Provides:                                                               ###
  38 # def move(data):                                                         ###
  39 #     """Moves the window interactively. This should only be used with    ###
  40 #        MouseMotion events. If move_popup or move_rubberband is enabled, ###
  41 #        then the end_move function needs to be bound as well."""         ###
  42 # def end_move(data):                                                     ###
  43 #     """Complete the interactive move of a window."""                    ###
  44 # def resize(data):                                                       ###
  45 #     """Resizes the window interactively. This should only be used with  ###
  46 #        MouseMotion events"""                                            ###
  47 # def end_resize(data):                                                   ###
  48 #     """Complete the interactive resize of a window."""                  ###
  49 ###                                                                       ###
  50 #############################################################################
  51
  52 import ob
  53 import otk
  54
  55 _popwidget = 0
  56 _poplabel = 0
  57
  58 # motion state
  59 _inmove = 0
  60 _inresize = 0
  61
  62 # last motion data
  63 _cx = 0
  64 _cy = 0
  65 _cw = 0
  66 _ch = 0
  67 _px = 0
  68 _py = 0
  69 _dx = 0
  70 _dy = 0
  71 _client = 0
  72 _screen = 0
  73
  74 _motion_mask = 0
  75
  76 def _motion_grab(data):
  77     global _motion_mask, _inmove, _inresize;
  78
  79     if data.action == ob.KeyAction.Release:
  80         # have all the modifiers this started with been released?
  81         if not _motion_mask & data.state:
  82             if _inmove:
  83                 end_move(data)
  84             elif _inresize:
  85                 end_resize(data)
  86             else:
  87                 raise RuntimeError
  88
  89 def _do_move():
  90     global _screen, _client, _cx, _cy, _dx, _dy
  91
  92     x = _cx + _dx
  93     y = _cy + _dy
  94
  95     global edge_resistance
  96     if edge_resistance:
  97         fs = _client.frame.size()
  98         w = _client.area().width() + fs.left + fs.right
  99         h = _client.area().height() + fs.top + fs.bottom
 100         # use the area based on the struts
 101         area = ob.openbox.screen(_screen).area()
 102         l = area.left()
 103         r = area.right() - w + 1
 104         t = area.top()
 105         b = area.bottom() - h + 1
 106         # left screen edge
 107         if x < l and x >= l - edge_resistance:
 108             x = l
 109         # right screen edge
 110         if x > r and x <= r + edge_resistance:
 111             x = r
 112         # top screen edge
 113         if y < t and y >= t - edge_resistance:
 114             y = t
 115         # right screen edge
 116         if y > b and y <= b + edge_resistance:
 117             y = b
 118
 119     global move_rubberband
 120     if move_rubberband:
 121         # draw the outline ...
 122         f=0
 123     else:
 124         _client.move(x, y)
 125
 126     global move_popup
 127     if move_popup:
 128         global _popwidget, _poplabel
 129         style = ob.openbox.screen(_screen).style()
 130         font = style.labelFont()
 131         text = "X: " + str(x) + " Y: " + str(y)
 132         length = font.measureString(text)
 133         if not _popwidget:
 134             _popwidget = otk.Widget(ob.openbox, style,
 135                                     otk.Widget.Horizontal, 0,
 136                                     style.bevelWidth(), 1)
 137             _popwidget.setTexture(style.titlebarFocusBackground())
 138             _poplabel = otk.Label(_popwidget)
 139             _poplabel.setTexture(style.labelFocusBackground())
 140         _poplabel.fitString(text)
 141         _poplabel.setText(text)
 142         _popwidget.update()
 143         area = otk.display.screenInfo(_screen).rect()
 144         _popwidget.move(area.x() + (area.width() -
 145                                     _popwidget.width()) / 2,
 146                         area.y() + (area.height() -
 147                                     _popwidget.height()) / 2)
 148         _popwidget.show(1)
 149
 150 def move(data):
 151     """Moves the window interactively. This should only be used with
 152        MouseMotion events. If move_popup or move_rubberband is enabled, then
 153        the end_move function needs to be bound as well."""
 154     if not data.client: return
 155
 156     # not-normal windows dont get moved
 157     if not data.client.normal(): return
 158
 159     global _screen, _client, _cx, _cy, _dx, _dy
 160     _screen = data.screen
 161     _client = data.client
 162     _cx = data.press_clientx
 163     _cy = data.press_clienty
 164     _dx = data.xroot - data.pressx
 165     _dy = data.yroot - data.pressy
 166     _do_move()
 167     global _inmove
 168     if not _inmove:
 169         ob.kgrab(_screen, _motion_grab)
 170         _inmove = 1
 171
 172 def end_move(data):
 173     """Complete the interactive move of a window."""
 174     global move_rubberband, _inmove
 175     global _popwidget, _poplabel
 176     if _inmove:
 177         r = move_rubberband
 178         move_rubberband = 0
 179         _do_move()
 180         move_rubberband = r
 181         _inmove = 0
 182     _poplabel = 0
 183     _popwidget = 0
 184     ob.kungrab()
 185
 186 def _do_resize():
 187     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 188
 189     dx = _dx
 190     dy = _dy
 191
 192     # pick a corner to anchor
 193     if not (resize_nearest or _context == ob.MouseContext.Grip):
 194         corner = ob.Client.TopLeft
 195     else:
 196         x = _px - _cx
 197         y = _py - _cy
 198         if y < _ch / 2:
 199             if x < _cw / 2:
 200                 corner = ob.Client.BottomRight
 201                 dx *= -1
 202             else:
 203                 corner = ob.Client.BottomLeft
 204             dy *= -1
 205         else:
 206             if x < _cw / 2:
 207                 corner = ob.Client.TopRight
 208                 dx *= -1
 209             else:
 210                 corner = ob.Client.TopLeft
 211
 212     w = _cw + dx
 213     h = _ch + dy
 214
 215     global resize_popup
 216     if resize_rubberband:
 217         # draw the outline ...
 218         f=0
 219     else:
 220         _client.resize(corner, w, h)
 221
 222     global resize_popup
 223     if resize_popup:
 224         global _popwidget, _poplabel
 225         style = ob.openbox.screen(_screen).style()
 226         ls = _client.logicalSize()
 227         text = "W: " + str(ls.x()) + " H: " + str(ls.y())
 228         if not _popwidget:
 229             _popwidget = otk.Widget(ob.openbox, style,
 230                                     otk.Widget.Horizontal, 0,
 231                                     style.bevelWidth(), 1)
 232             _popwidget.setTexture(style.titlebarFocusBackground())
 233             _poplabel = otk.Label(_popwidget)
 234             _poplabel.setTexture(style.labelFocusBackground())
 235         _poplabel.fitString(text)
 236         _poplabel.setText(text)
 237         area = otk.display.screenInfo(_screen).rect()
 238         _popwidget.update()
 239         _popwidget.move(area.x() + (area.width() -
 240                                     _popwidget.width()) / 2,
 241                         area.y() + (area.height() -
 242                                     _popwidget.height()) / 2)
 243         _popwidget.show(1)
 244
 245 def resize(data):
 246     """Resizes the window interactively. This should only be used with
 247        MouseMotion events"""
 248     if not data.client: return
 249
 250     # not-normal windows dont get resized
 251     if not data.client.normal(): return
 252
 253     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 254     _screen = data.screen
 255     _client = data.client
 256     _cx = data.press_clientx
 257     _cy = data.press_clienty
 258     _cw = data.press_clientwidth
 259     _ch = data.press_clientheight
 260     _px = data.pressx
 261     _py = data.pressy
 262     _dx = data.xroot - _px
 263     _dy = data.yroot - _py
 264     _do_resize()
 265     global _inresize
 266     if not _inresize:
 267         ob.kgrab(_screen, _motion_grab)
 268         _inresize = 1
 269
 270 def end_resize(data):
 271     """Complete the interactive resize of a window."""
 272     global resize_rubberband, _inresize
 273     global _popwidget, _poplabel
 274     if _inresize:
 275         r = resize_rubberband
 276         resize_rubberband = 0
 277         _do_resize()
 278         resize_rubberband = r
 279         _inresize = 0
 280     _poplabel = 0
 281     _popwidget = 0
 282     ob.kungrab()