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 _last_x = 0
  90 _last_y = 0
  91
  92 def _do_move():
  93     global _screen, _client, _cx, _cy, _dx, _dy
  94
  95     x = _cx + _dx
  96     y = _cy + _dy
  97
  98     global edge_resistance
  99     global _last_x, _last_y
 100     if edge_resistance:
 101         fs = _client.frame.size()
 102         w = _client.area().width() + fs.left + fs.right
 103         h = _client.area().height() + fs.top + fs.bottom
 104         # use the area based on the struts
 105         area = ob.openbox.screen(_screen).area()
 106         l = area.left()
 107         r = area.right() - w + 1
 108         t = area.top()
 109         b = area.bottom() - h + 1
 110         # left screen edge
 111         if _last_x > x and x < l and x >= l - edge_resistance:
 112             x = l
 113         # right screen edge
 114         if _last_x < x and x > r and x <= r + edge_resistance:
 115             x = r
 116         # top screen edge
 117         if _last_y > y and y < t and y >= t - edge_resistance:
 118             y = t
 119         # right screen edge
 120         if _last_y < y and y > b and y <= b + edge_resistance:
 121             y = b
 122
 123     global _inmove
 124     if not _inmove:
 125         _last_x = 0
 126         _last_y = 0
 127     else:
 128         _last_x = x
 129         _last_y = y
 130
 131     global move_rubberband
 132     if move_rubberband:
 133         # draw the outline ...
 134         f=0
 135     else:
 136         _client.move(x, y)
 137
 138     global move_popup
 139     if move_popup:
 140         global _popwidget, _poplabel
 141         style = ob.openbox.screen(_screen).style()
 142         font = style.labelFont()
 143         text = "X: " + str(x) + " Y: " + str(y)
 144         length = font.measureString(text)
 145         if not _popwidget:
 146             _popwidget = otk.Widget(ob.openbox, style,
 147                                     otk.Widget.Horizontal, 0,
 148                                     style.bevelWidth(), 1)
 149             _popwidget.setTexture(style.titlebarFocusBackground())
 150             _poplabel = otk.Label(_popwidget)
 151             _poplabel.setTexture(style.labelFocusBackground())
 152         _poplabel.fitString(text)
 153         _poplabel.setText(text)
 154         _popwidget.update()
 155         area = otk.display.screenInfo(_screen).rect()
 156         _popwidget.move(area.x() + (area.width() -
 157                                     _popwidget.width()) / 2,
 158                         area.y() + (area.height() -
 159                                     _popwidget.height()) / 2)
 160         _popwidget.show(1)
 161
 162 def move(data):
 163     """Moves the window interactively. This should only be used with
 164        MouseMotion events. If move_popup or move_rubberband is enabled, then
 165        the end_move function needs to be bound as well."""
 166     if not data.client: return
 167
 168     # not-normal windows dont get moved
 169     if not data.client.normal(): return
 170
 171     global _screen, _client, _cx, _cy, _dx, _dy
 172     _screen = data.screen
 173     _client = data.client
 174     _cx = data.press_clientx
 175     _cy = data.press_clienty
 176     _dx = data.xroot - data.pressx
 177     _dy = data.yroot - data.pressy
 178     _do_move()
 179     global _inmove
 180     if not _inmove:
 181         ob.kgrab(_screen, _motion_grab)
 182         _inmove = 1
 183
 184 def end_move(data):
 185     """Complete the interactive move of a window."""
 186     global move_rubberband, _inmove
 187     global _popwidget, _poplabel
 188     if _inmove:
 189         r = move_rubberband
 190         move_rubberband = 0
 191         _do_move()
 192         move_rubberband = r
 193         _inmove = 0
 194     _poplabel = 0
 195     _popwidget = 0
 196     ob.kungrab()
 197
 198 def _do_resize():
 199     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 200
 201     dx = _dx
 202     dy = _dy
 203
 204     # pick a corner to anchor
 205     if not (resize_nearest or _context == ob.MouseContext.Grip):
 206         corner = ob.Client.TopLeft
 207     else:
 208         x = _px - _cx
 209         y = _py - _cy
 210         if y < _ch / 2:
 211             if x < _cw / 2:
 212                 corner = ob.Client.BottomRight
 213                 dx *= -1
 214             else:
 215                 corner = ob.Client.BottomLeft
 216             dy *= -1
 217         else:
 218             if x < _cw / 2:
 219                 corner = ob.Client.TopRight
 220                 dx *= -1
 221             else:
 222                 corner = ob.Client.TopLeft
 223
 224     w = _cw + dx
 225     h = _ch + dy
 226
 227     global resize_popup
 228     if resize_rubberband:
 229         # draw the outline ...
 230         f=0
 231     else:
 232         _client.resize(corner, w, h)
 233
 234     global resize_popup
 235     if resize_popup:
 236         global _popwidget, _poplabel
 237         style = ob.openbox.screen(_screen).style()
 238         ls = _client.logicalSize()
 239         text = "W: " + str(ls.x()) + " H: " + str(ls.y())
 240         if not _popwidget:
 241             _popwidget = otk.Widget(ob.openbox, style,
 242                                     otk.Widget.Horizontal, 0,
 243                                     style.bevelWidth(), 1)
 244             _popwidget.setTexture(style.titlebarFocusBackground())
 245             _poplabel = otk.Label(_popwidget)
 246             _poplabel.setTexture(style.labelFocusBackground())
 247         _poplabel.fitString(text)
 248         _poplabel.setText(text)
 249         area = otk.display.screenInfo(_screen).rect()
 250         _popwidget.update()
 251         _popwidget.move(area.x() + (area.width() -
 252                                     _popwidget.width()) / 2,
 253                         area.y() + (area.height() -
 254                                     _popwidget.height()) / 2)
 255         _popwidget.show(1)
 256
 257 def resize(data):
 258     """Resizes the window interactively. This should only be used with
 259        MouseMotion events"""
 260     if not data.client: return
 261
 262     # not-normal windows dont get resized
 263     if not data.client.normal(): return
 264
 265     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 266     _screen = data.screen
 267     _client = data.client
 268     _cx = data.press_clientx
 269     _cy = data.press_clienty
 270     _cw = data.press_clientwidth
 271     _ch = data.press_clientheight
 272     _px = data.pressx
 273     _py = data.pressy
 274     _dx = data.xroot - _px
 275     _dy = data.yroot - _py
 276     _do_resize()
 277     global _inresize
 278     if not _inresize:
 279         ob.kgrab(_screen, _motion_grab)
 280         _inresize = 1
 281
 282 def end_resize(data):
 283     """Complete the interactive resize of a window."""
 284     global resize_rubberband, _inresize
 285     global _popwidget, _poplabel
 286     if _inresize:
 287         r = resize_rubberband
 288         resize_rubberband = 0
 289         _do_resize()
 290         resize_rubberband = r
 291         _inresize = 0
 292     _poplabel = 0
 293     _popwidget = 0
 294     ob.kungrab()