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         x += area.position().x()
 109         y += area.position().y()
 110     _popwidget.moveresize(otk.Rect(x, y, size.width(), size.height()))
 111
 112 def _motion_grab(data):
 113     global _motion_mask, _inmove, _inresize;
 114
 115     # are all the modifiers this started with still pressed?
 116     if not _motion_mask & data.state:
 117         if _inmove:
 118             _end_move(data)
 119         elif _inresize:
 120             _end_resize(data)
 121         else:
 122             raise RuntimeError
 123
 124 _last_x = 0
 125 _last_y = 0
 126
 127 def _do_move(final):
 128     global _screen, _client, _cx, _cy, _dx, _dy
 129
 130     # get destination x/y for the *frame*
 131     x = _cx + _dx + _client.frame.area().x() - _client.area().x()
 132     y = _cy + _dy + _client.frame.area().y() - _client.area().y()
 133
 134     global _last_x, _last_y
 135     if EDGE_RESISTANCE:
 136         fs = _client.frame.size()
 137         w = _client.area().width() + fs.left + fs.right
 138         h = _client.area().height() + fs.top + fs.bottom
 139         # use the area based on the struts
 140         area = ob.openbox.screen(_screen).area(_client.desktop())
 141         l = area.left()
 142         r = area.right() - w + 1
 143         t = area.top()
 144         b = area.bottom() - h + 1
 145         # left screen edge
 146         if _last_x > x and x < l and x >= l - EDGE_RESISTANCE:
 147             x = l
 148         # right screen edge
 149         if _last_x < x and x > r and x <= r + EDGE_RESISTANCE:
 150             x = r
 151         # top screen edge
 152         if _last_y > y and y < t and y >= t - EDGE_RESISTANCE:
 153             y = t
 154         # right screen edge
 155         if _last_y < y and y > b and y <= b + EDGE_RESISTANCE:
 156             y = b
 157
 158     global _inmove
 159     if not _inmove:
 160         _last_x = 0
 161         _last_y = 0
 162     else:
 163         _last_x = x
 164         _last_y = y
 165
 166     if MOVE_RUBBERBAND:
 167         # draw the outline ...
 168         f=0
 169     else:
 170         _client.move(x, y, final)
 171
 172     if MOVE_POPUP:
 173         global _popwidget
 174         text = "X: " + str(x) + " Y: " + str(y)
 175         if not _popwidget:
 176             _popwidget = otk.Label(_screen, ob.openbox)
 177             _popwidget.setHighlighted(1)
 178         _popwidget.setText(text)
 179         _place_popup()
 180         _popwidget.show()
 181
 182 def _move(data):
 183     if not data.client: return
 184
 185     # not-normal windows dont get moved
 186     if not data.client.normal(): return
 187
 188     global _screen, _client, _cx, _cy, _dx, _dy, _motion_mask
 189     _screen = data.screen
 190     _client = data.client
 191     _cx = data.press_clientx
 192     _cy = data.press_clienty
 193     _dx = data.xroot - data.pressx
 194     _dy = data.yroot - data.pressy
 195     _motion_mask = data.state
 196     _do_move(0)
 197     global _inmove
 198     if not _inmove:
 199         ob.kgrab(_screen, _motion_grab)
 200         _inmove = 1
 201
 202 def _end_move(data):
 203     global MOVE_RUBBERBAND
 204     global _inmove, _popwidget
 205     if _inmove:
 206         r = MOVE_RUBBERBAND
 207         MOVE_RUBBERBAND = 0
 208         _do_move(1)
 209         MOVE_RUBBERBAND = r
 210         _inmove = 0
 211     _popwidget = 0
 212     ob.kungrab()
 213
 214 def _do_resize():
 215     global _screen, _client, _cx, _cy, _cw, _ch, _px, _py, _dx, _dy
 216
 217     dx = _dx
 218     dy = _dy
 219
 220     # pick a corner to anchor
 221     if not (RESIZE_NEAREST or _context == ob.MouseContext.Grip):
 222         corner = ob.Client.TopLeft
 223     else:
 224         x = _px - _cx
 225         y = _py - _cy
 226         if y < _ch / 2:
 227             if x < _cw / 2:
 228                 corner = ob.Client.BottomRight
 229                 dx *= -1
 230             else:
 231                 corner = ob.Client.BottomLeft
 232             dy *= -1
 233         else:
 234             if x < _cw / 2:
 235                 corner = ob.Client.TopRight
 236                 dx *= -1
 237             else:
 238                 corner = ob.Client.TopLeft
 239
 240     w = _cw + dx
 241     h = _ch + dy
 242
 243     if RESIZE_RUBBERBAND:
 244         # draw the outline ...
 245         f=0
 246     else:
 247         _client.resize(corner, w, h)
 248
 249     if RESIZE_POPUP:
 250         global _popwidget
 251         ls = _client.logicalSize()
 252         text = "W: " + str(ls.width()) + " H: " + str(ls.height())
 253         if not _popwidget:
 254             _popwidget = otk.Label(_screen, ob.openbox)
 255             _popwidget.setHighlighted(1)
 256         _popwidget.setText(text)
 257         _place_popup()
 258         _popwidget.show()
 259
 260 def _resize(data):
 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     global _motion_mask
 268     _screen = data.screen
 269     _client = data.client
 270     _cx = data.press_clientx
 271     _cy = data.press_clienty
 272     _cw = data.press_clientwidth
 273     _ch = data.press_clientheight
 274     _px = data.pressx
 275     _py = data.pressy
 276     _dx = data.xroot - _px
 277     _dy = data.yroot - _py
 278     _motion_mask = data.state
 279     _do_resize()
 280     global _inresize
 281     if not _inresize:
 282         ob.kgrab(_screen, _motion_grab)
 283         _inresize = 1
 284
 285 def _end_resize(data):
 286     global RESIZE_RUBBERBAND, _inresize
 287     global _popwidget
 288     if _inresize:
 289         r = RESIZE_RUBBERBAND
 290         RESIZE_RUBBERBAND = 0
 291         _do_resize()
 292         RESIZE_RUBBERBAND = r
 293         _inresize = 0
 294     _popwidget = 0
 295     ob.kungrab()