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