git.maemo.org Git - drlaunch/blob - src/icongrid.py

   1 #!/usr/bin/env python
   2 # coding=UTF-8
   3 #
   4 # Copyright (C) 2010 Stefanos Harhalakis
   5 #
   6 # This file is part of wifieye.
   7 #
   8 # wifieye is free software: you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # wifieye is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with wifieye.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21 # $Id: 0.py 2265 2010-02-21 19:16:26Z v13 $
  22
  23 __version__ = "$Id: 0.py 2265 2010-02-21 19:16:26Z v13 $"
  24
  25 import gtk
  26 import gobject
  27 import hildon
  28 from hildondesktop import *
  29 from gtk import gdk
  30 from math import pi
  31 import cairo
  32 import time
  33
  34 from portrait import FremantleRotation
  35 #from xdg.IconTheme import getIconPath
  36
  37 #import config
  38 import apps
  39 import icon
  40 from icon import Icon
  41 from icons import Icons
  42
  43 #def getIcon(name, iconsize):
  44 #    ico=getIconPath(name, iconsize)
  45 #    ret=gtk.gdk.pixbuf_new_from_file_at_size(ico, iconsize, iconsize)
  46 #
  47 #    return(ret)
  48
  49 #class IconGrid(gtk.Widget, FremantleRotation):
  50 class IconGrid(object): #(gobject.GObject):
  51     def __init__(self, isconfig=False):
  52 #       self.__gobject_init__()
  53
  54         self.init_done=False
  55
  56         self.size=(0,0)
  57
  58         self.isconfig=isconfig
  59
  60         self.icons=None
  61         self.lasticon=None  # The last icon that got selected
  62
  63         self.draw_pending=False
  64
  65         self.mode=None
  66
  67         # If this is False then animations are forcefully disabled
  68         self.do_animations=True
  69
  70         self.angle_timer_start=0
  71
  72         # Duration of the rotation effect
  73         self.rotation_time=0.8
  74
  75     def do_realize(self, config):
  76         self.config=config
  77
  78         self.icons=Icons(self.isconfig, self.config)
  79         self.setMode('l')
  80         self.setSize((8,4))
  81         self.reloadIcons()
  82
  83     def connect(self, what, *args):
  84         if what in icon.signals:
  85             self.icons.connect(what, *args)
  86         else:
  87             super(IconGrid, self).connect(what, *args)
  88
  89     def setSize(self, size):
  90         self.size=size
  91         self.icons.setSize(size)
  92
  93     def getSize(self):
  94         ret=self.icons.getSize()
  95         return(ret)
  96
  97     def setMode(self, mode):
  98         if self.mode==mode:
  99             print "same mode"
 100             return
 101
 102         self.mode=mode
 103         if not isinstance(self, gtk.Widget):
 104             return
 105
 106         do_draw=False
 107
 108         try:
 109             v=self.get_property('is-on-current-desktop')
 110             if v:
 111                 do_draw=True
 112             else:
 113                 self.draw_pending=True
 114         except TypeError:
 115             do_draw=True
 116
 117         if do_draw and self.config.getAnimate() and self.do_animations:
 118             #self.queue_draw()
 119             # Don't start another timer
 120             # Instead adjust the time start to produce a nice effect ;-)
 121             if self.angle_timer_start==0:
 122                 self.angle_timer_start=time.time()
 123                 gobject.timeout_add(20, self.timerAngle)
 124             else:
 125                 dt=time.time()-self.angle_timer_start
 126                 da=90.0*dt/self.rotation_time
 127
 128                 da2=90.0-da
 129                 dt2=da2*self.rotation_time/90.0
 130                 self.angle_timer_start=time.time()-dt2
 131         else:
 132             if self.mode=='l':
 133                 self.setAngle(0)
 134             else:
 135                 self.setAngle(90)
 136
 137             if do_draw:
 138                 self.queue_draw()
 139
 140     def disableAnimation(self):
 141         self.do_animations=False
 142
 143     def enableAnimation(self):
 144         self.do_animations=True
 145
 146     def setAnimationEnable(self, value):
 147         if value:
 148             self.enableAnimation()
 149         else:
 150             self.disableAnimation()
 151
 152     def timerAngle(self):
 153         if self.angle_timer_start==0:
 154             self.angle_timer_start=time.time()-0.05
 155
 156         dt=time.time()-self.angle_timer_start
 157
 158         da=90.0*dt/self.rotation_time
 159
 160         if self.mode=='l':
 161             angle=90-da
 162         else:
 163             angle=da
 164
 165         if angle>=90:
 166             angle=90
 167             ret=False
 168         elif angle<0:
 169             angle=0
 170             ret=False
 171         else:
 172             ret=True
 173
 174         if self.setAngle(angle):
 175             self.queue_draw()
 176
 177         if ret==False:
 178             self.angle_timer_start=0
 179
 180         return(ret)
 181
 182     def iconAt(self, x, y):
 183         """ Get icon at coordinates x,y. X and Y are in pixels """
 184
 185         w=self.config.iconsize + self.config.iconspace
 186
 187         if self.mode=='l' or self.config.getIndiv():
 188             x2=int(x / w)
 189             y2=int(y / w)
 190         else:
 191             x2=self.size[1] - int(y/w) - 1
 192             y2=int(x/w)
 193
 194         ret=self.get(x2,y2)
 195
 196         return(ret)
 197
 198     def get(self, x, y):
 199         ret=self.icons.get(x,y)
 200
 201         return(ret)
 202
 203     def _draw(self, cr, event):
 204         self.draw_pending=False
 205
 206         w=self.config.iconsize + self.config.iconspace
 207         for x,y in self.icons:
 208             if self.mode=='l' or self.config.getIndiv():
 209                 x2=x * (self.config.iconsize + self.config.iconspace)
 210                 y2=y * (self.config.iconsize + self.config.iconspace)
 211             else:
 212                 x2=y * (self.config.iconsize + self.config.iconspace)
 213                 y2=(self.size[1]-x-1) * \
 214                         (self.config.iconsize + self.config.iconspace)
 215
 216             # Only repaint the needed icons
 217             rect=gdk.Rectangle(x2, y2, w, w)
 218             t=rect.intersect(event.area)
 219             if t.width==0 and t.height==0:
 220                 continue
 221
 222             ico=self.icons.get(x,y)
 223             ico.draw(cr, x2, y2)
 224
 225     def setAngle(self, angle):
 226         """ Return True/False indicating that angle has changed """
 227         ret=False
 228         for x,y in self.icons:
 229             ic=self.icons.get(x,y)
 230             if ic.setAngle(angle):
 231                 ret=True
 232
 233         return(ret)
 234
 235     def clearAnimationCache(self):
 236         """ Clear animation cache, freeing memory """
 237         for x,y in self.icons:
 238             ic=self.icons.get(x,y)
 239             ic.clearAnimationCache()
 240
 241     def do_expose_event(self, event):
 242         cr=self.window.cairo_create()
 243
 244         cr.rectangle(event.area.x, event.area.y,
 245             event.area.width, event.area.height)
 246
 247         cr.clip()
 248
 249         if not self.init_done:
 250             self.icons.setWindow(self.window)
 251             self.init_done=True
 252
 253         self._draw(cr, event)
 254
 255     def setLastIcon(self, icon):
 256         if icon==self.lasticon:
 257             return
 258
 259         if self.lasticon!=None:
 260             self.lasticon.doCancel()
 261             self.lasticon.invalidate(self.window)
 262         self.lasticon=icon
 263
 264     def do_button_press_event(self, event):
 265         icon=self.iconAt(event.x, event.y)
 266         if icon==None:
 267             return
 268 #       rect=gdk.Rectangle(event.x,event.y,1,1)
 269 #       rect=gdk.Rectangle(0, 0, 100, 100)
 270         icon.doPress()
 271         icon.invalidate(self.window)
 272         self.setLastIcon(icon)
 273
 274 #       gdk.Window.invalidate_rect(self.window, rect, True)
 275
 276         return(True)
 277
 278     def do_button_release_event(self, event):
 279         if self.lasticon!=None:
 280             self.lasticon.invalidate(self.window)
 281             self.lasticon.doRelease()
 282
 283         self.setLastIcon(None)
 284
 285         return(True)
 286
 287     def do_leave_notify_event(self, event):
 288         self.setLastIcon(None)
 289         return(True)
 290
 291     def do_pproperty_notify_event(self, event):
 292         icon=self.iconAt(event.x, event.y)
 293         if icon==None:
 294             return
 295         icon.doCancel()
 296         icon.invalidate(self.window)
 297         return(True)
 298
 299     def do_motion_notify_event(self, event):
 300         icon=self.iconAt(event.x, event.y)
 301         if self.lasticon==icon:
 302             return(True)
 303
 304         self.setLastIcon(None)
 305         icon.doCancel()
 306         icon.invalidate(self.window)
 307         return(True)
 308
 309     def do_button_press_event_old(self, event):
 310         if event.type==gdk.BUTTON_PRESS:
 311             if self.mode=='p':
 312                 self.setMode('l')
 313             else:
 314                 self.setMode('p')
 315             self.queue_draw()
 316         return True
 317
 318     # For debugging
 319     def do_event1(self, event):
 320         print "event:", event, event.type
 321
 322     def reloadIcons(self):
 323         self.icons.load()
 324
 325 #    def on_orientation_changed(self, orientation):
 326 #       print "orch:", orientation
 327 #       o=orientation[0]
 328 #       self.setMode(o)
 329
 330 class IconGridWidget(IconGrid, gtk.Widget):
 331     def __init__(self, isconfig, config, animation=True):
 332         IconGrid.__init__(self, isconfig)
 333         gtk.Widget.__init__(self)
 334
 335         # This must be called before do_realize
 336         self.setAnimationEnable(animation)
 337
 338         self.config=config
 339
 340         IconGrid.do_realize(self, self.config)
 341
 342         self.setSize(self.size)
 343
 344     def setSize(self, size):
 345         IconGrid.setSize(self, size)
 346
 347         w=self.size[0] * (self.config.iconsize + self.config.iconspace)
 348         h=self.size[1] * (self.config.iconsize + self.config.iconspace)
 349
 350         self.set_size_request(w, h)
 351
 352     def do_realize(self):
 353         screen=self.get_screen()
 354         self.set_colormap(screen.get_rgba_colormap())
 355         self.set_app_paintable(True)
 356
 357         self.set_flags(self.flags() | gtk.REALIZED)
 358
 359         self.window=gdk.Window(
 360             self.get_parent_window(),
 361             width=self.allocation.width,
 362             height=self.allocation.height,
 363             window_type=gdk.WINDOW_CHILD,
 364             wclass=gdk.INPUT_OUTPUT,
 365             event_mask=self.get_events() | gdk.EXPOSURE_MASK
 366                 | gdk.BUTTON_PRESS_MASK
 367                 | gdk.BUTTON_RELEASE_MASK
 368                 | gdk.BUTTON_MOTION_MASK
 369                 | gdk.POINTER_MOTION_MASK
 370                 | gdk.POINTER_MOTION_HINT_MASK
 371                 | gdk.ENTER_NOTIFY_MASK
 372                 | gdk.LEAVE_NOTIFY_MASK )
 373
 374         self.window.set_user_data(self)
 375         self.style.attach(self.window)
 376
 377 #       self.style.set_background(self.window, gtk.STATE_NORMAL)
 378         self.window.move_resize(*self.allocation)
 379
 380 #       self.pixmap, mask = gtk.gdk.pixmap_create_from_xpm_d(
 381 #             self.window, self.style.bg[gtk.STATE_NORMAL], STAR_PIXMAP)
 382
 383 #       self.gc = self.style.fg_gc[gtk.STATE_NORMAL]
 384
 385         #gtk.Widget.do_realize(self)
 386         #HomePluginItem.do_realize(self)
 387
 388 #       screen=self.get_screen()
 389 #       self.set_colormap(screen.get_rgba_colormap())
 390 #       self.set_app_paintable(True)
 391
 392     def do_unrealize(self):
 393         #self.window.set_user_data(None)
 394         self.window.destroy()
 395
 396 #gobject.type_register(IconGrid)
 397 gobject.type_register(IconGridWidget)
 398
 399
 400 # vim: set ts=8 sts=4 sw=4 noet formatoptions=r ai nocindent:
 401