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