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