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 POPUP_IN_WINDOW = 0
  13 """When this is non-zero, the coordinates popups will be placed relative to
  14    the window being moved/resized. When zero, they will appear relative to the
  15    entire screen."""
  16 POPUP_CENTERED = 1
  17 """When this is non-zero, the coordinates popups will be centered relative to
  18    the window or screen (see POPUP_IN_WINDOW). When zero, they will be placed
  19    at based upon POPUP_COORDS."""
  20 POPUP_COORDS = 0, 0
  21 """When POPUP_CENTERED is zero, these coordinates will be used to place the
  22    coordinates popup. The popup will be placed relative to the window or the
  23    screen (see POPUP_IN_WINDOW). A value of 0, 0 would place it in the top
  24    left corner, while a value of -1, -1 would place it in the bottom right.
  25    These values behave simmilarly to those passed to the -geometry flag of many
  26    applications."""
  27 MOVE_POPUP = 1
  28 """Display a coordinates popup when moving windows."""
  29 MOVE_RUBBERBAND = 0
  30 """NOT IMPLEMENTED (yet?)
  31    Display an outline while moving instead of moving the actual window,
  32    until the move is completed. Good for slower systems."""
  33 RESIZE_POPUP = 1
  34 """Display a size popup when resizing windows."""
  35 RESIZE_RUBBERBAND = 0
  36 """NOT IMPLEMENTED (yet?)
  37    Display an outline while resizing instead of resizing the actual
  38    window, until the resize is completed. Good for slower systems."""
  39 RESIZE_NEAREST = 1
  40 """Non-zero to resize from the corner nearest where the mouse is, 0 to
  41    resize always from the bottom right corner."""
  42 #############################################################################
  43
  44 def move(data):
  45     """Moves the window interactively. This should only be used with
  46        MouseAction.Motion events. If MOVE_POPUP or MOVE_RUBBERBAND is enabled,
  47        then the end_move function needs to be bound as well."""
  48     _move(data)
  49
  50 def end_move(data):
  51     """Complete the interactive move of a window."""
  52     _end_move(data)
  53
  54 def resize(data):
  55     """Resizes the window interactively. This should only be used with
  56        MouseMotion events. If RESIZE_POPUP or RESIZE_RUBBERBAND is enabled,
  57        then the end_resize function needs to be bound as well."""
  58     _resize(data)
  59
  60 def end_resize(data):
  61     """Complete the interactive resize of a window."""
  62     _end_resize(data)
  63
  64 ###########################################################################
  65 ###########################################################################
  66
  67 ###########################################################################
  68 ###      Internal stuff, should not be accessed outside the module.     ###
  69 ###########################################################################
  70
  71 import ob
  72 import otk
  73
  74 _popwidget = 0
  75
  76 # motion state
  77 _inmove = 0
  78 _inresize = 0
  79
  80 # last motion data
  81 _cx = 0
  82 _cy = 0
  83 _cw = 0
  84 _ch = 0
  85 _px = 0
  86 _py = 0
  87 _dx = 0
  88 _dy = 0
  89 _client = 0
  90 _screen = 0
  91
  92 _motion_mask = 0
  93
  94 def _place_popup():
  95     if POPUP_IN_WINDOW:
  96         area = _client.frame.area()
  97     else:
  98         area = otk.Rect(otk.Point(0, 0), ob.openbox.screen(_screen).size())
  99     size = _popwidget.minSize()
 100     if POPUP_CENTERED:
 101         x = area.position().x() + (area.size().width() - size.width()) / 2
 102         y = area.position().y() + (area.size().height() - size.height()) / 2
 103     else:
 104         try: x, y = POPUP_COORDS
 105         except: x = y = 0
 106         if x < 0: x += area.right() - size.width() + 2
 107         if y < 0: y += area.bottom() - size.height() + 2
 108     _popwidget.moveresize(otk.Rect(x, y, size.width(), size.height()))
 109
 110 def _motion_grab(data):
 111     global _motion_mask, _inmove, _inresize;
 112
 113     # are all the modifiers this started with still pressed?
 114     if not _motion_mask & data.state:
 115         if _inmove:
 116             _end_move(data)
 117         elif _inresize:
 118             _end_resize(data)
 119         else:
 120             raise RuntimeError
 121
 122 _last_x = 0
 123 _last_y = 0
 124
 125 def _do_move(final):
 126     global _screen, _client, _cx, _cy, _dx, _dy
 127
 128     # get destination x/y for the *frame*
 129     x = _cx + _dx + _client.frame.area().x() - _client.area().x()
 130     y = _cy + _dy + _client.frame.area().y() - _client.area().y()
 131
 132     global _last_x, _last_y
 133     if EDGE_RESISTANCE:
 134         fs = _client.frame.size()
 135         w = _client.area().width() + fs.left + fs.right
 136         h = _client.area().height() + fs.top + fs.bottom
 137         # use the area based on the struts
 138         area = ob.openbox.screen(_screen).area(_client.desktop())
 139         l = area.left()
 140         r = area.right() - w + 1
 141         t = area.top()
 142         b = area.bottom() - h + 1
 143         # left screen edge
 144         if _last_x > x and x < l and x >= l - EDGE_RESISTANCE:
 145             x = l
 146         # right screen edge
 147         if _last_x < x and x > r and x <= r + EDGE_RESISTANCE:
 148             x = r
 149         # top screen edge
 150         if _last_y > y and y < t and y >= t - EDGE_RESISTANCE:
 151             y = t
 152         # right screen edge
 153         if _last_y < y and y > b and y <= b + EDGE_RESISTANCE:
 154             y = b
 155
 156     global _inmove
 157     if not _inmove:
 158         _last_x = 0
 159         _last_y = 0
 160     else:
 161         _last_x = x
 162         _last_y = y
 163
 164     if MOVE_RUBBERBAND:
 165         # draw the outline ...
 166         f=0
 167     else:
 168         _client.move(x, y, final)
 169
 170     if MOVE_POPUP:
 171         global _popwidget
 172         text = "X: " + str(x) + " Y: " + str(y)
 173         if not _popwidget:
 174             _popwidget = otk.Label(_screen, ob.openbox)
 175             _popwidget.setHighlighted(1)
 176         _popwidget.setText(text)
 177         _place_popup()
 178         _popwidget.show()
 179
 180 def _move(data):
 181     if not data.client: return
 182
 183     # not-normal windows dont get moved
 184     if not data.client.normal(): return
 185
 186     global _screen, _client, _cx, _cy, _dx, _dy, _motion_mask
 187     _screen = data.screen
 188     _client = data.client
 189     _cx = data.press_clientx
 190     _cy = data.press_clienty
 191     _dx = data.xroot - data.pressx
 192     _dy = data.yroot - data.pressy
 193     _motion_mask = data.state
 194     _do_move(0)
 195     global _inmove
 196     if not _inmove:
 197         ob.kgrab(_screen, _motion_grab)
 198         _inmove = 1
 199
 200 def _end_move(data):
 201     global MOVE_RUBBERBAND
 202     global _inmove, _popwidget
 203     if _inmove:
 204         r = MOVE_RUBBERBAND
 205         MOVE_RUBBERBAND = 0
 206         _do_move(1)
 207         MOVE_RUBBERBAND = r
 208         _inmove = 0
 209     _popwidget = 0
 210     ob.kungrab()
 211
 212 def _do_resize():
 213     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 214
 215     dx = _dx
 216     dy = _dy
 217
 218     # pick a corner to anchor
 219     if not (RESIZE_NEAREST or _context == ob.MouseContext.Grip):
 220         corner = ob.Client.TopLeft
 221     else:
 222         x = _px - _cx
 223         y = _py - _cy
 224         if y < _ch / 2:
 225             if x < _cw / 2:
 226                 corner = ob.Client.BottomRight
 227                 dx *= -1
 228             else:
 229                 corner = ob.Client.BottomLeft
 230             dy *= -1
 231         else:
 232             if x < _cw / 2:
 233                 corner = ob.Client.TopRight
 234                 dx *= -1
 235             else:
 236                 corner = ob.Client.TopLeft
 237
 238     w = _cw + dx
 239     h = _ch + dy
 240
 241     if RESIZE_RUBBERBAND:
 242         # draw the outline ...
 243         f=0
 244     else:
 245         _client.resize(corner, w, h)
 246
 247     if RESIZE_POPUP:
 248         global _popwidget
 249         ls = _client.logicalSize()
 250         text = "W: " + str(ls.width()) + " H: " + str(ls.height())
 251         if not _popwidget:
 252             _popwidget = otk.Label(_screen, ob.openbox)
 253             _popwidget.setHighlighted(1)
 254         _popwidget.setText(text)
 255         _place_popup()
 256         _popwidget.show()
 257
 258 def _resize(data):
 259     if not data.client: return
 260
 261     # not-normal windows dont get resized
 262     if not data.client.normal(): return
 263
 264     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 265     global _motion_mask
 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     _motion_mask = data.state
 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     global RESIZE_RUBBERBAND, _inresize
 285     global _popwidget
 286     if _inresize:
 287         r = RESIZE_RUBBERBAND
 288         RESIZE_RUBBERBAND = 0
 289         _do_resize()
 290         RESIZE_RUBBERBAND = r
 291         _inresize = 0
 292     _popwidget = 0
 293     ob.kungrab()