Split PaletteWindow in its own module
Tomeu Vizoso
15 years ago
parent
0426c0c827
commit
8f271e2604
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# Copyright (C) 2007, Eduardo Silva <edsiper@gmail.com>
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# Copyright (C) 2008, One Laptop Per Child
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# Copyright (C) 2009, Tomeu Vizoso
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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"""
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STABLE.
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"""
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import logging
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import gtk
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import gobject
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import hippo
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import pango
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from sugar.graphics import palettegroup
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from sugar.graphics import animator
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from sugar.graphics import style
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from sugar.graphics.icon import Icon
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from sugar import _sugarext
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# Helper function to find the gap position and size of widget a
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def _calculate_gap(a, b):
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# Test for each side if the palette and invoker are
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# adjacent to each other.
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gap = True
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if a.y + a.height == b.y:
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gap_side = gtk.POS_BOTTOM
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elif a.x + a.width == b.x:
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gap_side = gtk.POS_RIGHT
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elif a.x == b.x + b.width:
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gap_side = gtk.POS_LEFT
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elif a.y == b.y + b.height:
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gap_side = gtk.POS_TOP
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else:
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gap = False
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if gap:
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if gap_side == gtk.POS_BOTTOM or gap_side == gtk.POS_TOP:
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gap_start = min(a.width, max(0, b.x - a.x))
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gap_size = max(0, min(a.width,
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(b.x + b.width) - a.x) - gap_start)
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elif gap_side == gtk.POS_RIGHT or gap_side == gtk.POS_LEFT:
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gap_start = min(a.height, max(0, b.y - a.y))
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gap_size = max(0, min(a.height,
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(b.y + b.height) - a.y) - gap_start)
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if gap and gap_size > 0:
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return (gap_side, gap_start, gap_size)
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else:
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return False
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class MouseSpeedDetector(gobject.GObject):
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__gsignals__ = {
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'motion-slow': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'motion-fast': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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}
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_MOTION_SLOW = 1
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_MOTION_FAST = 2
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def __init__(self, parent, delay, thresh):
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"""Create MouseSpeedDetector object,
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delay in msec
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threshold in pixels (per tick of 'delay' msec)"""
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gobject.GObject.__init__(self)
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self._threshold = thresh
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self._parent = parent
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self._delay = delay
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self._state = None
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self._timeout_hid = None
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self._mouse_pos = None
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def start(self):
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self.stop()
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self._mouse_pos = self._get_mouse_position()
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self._timeout_hid = gobject.timeout_add(self._delay, self._timer_cb)
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def stop(self):
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if self._timeout_hid is not None:
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gobject.source_remove(self._timeout_hid)
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self._state = None
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def _get_mouse_position(self):
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display = gtk.gdk.display_get_default()
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screen_, x, y, mask_ = display.get_pointer()
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return (x, y)
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def _detect_motion(self):
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oldx, oldy = self._mouse_pos
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(x, y) = self._get_mouse_position()
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self._mouse_pos = (x, y)
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dist2 = (oldx - x)**2 + (oldy - y)**2
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if dist2 > self._threshold**2:
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return True
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else:
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return False
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def _timer_cb(self):
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motion = self._detect_motion()
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if motion and self._state != self._MOTION_FAST:
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self.emit('motion-fast')
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self._state = self._MOTION_FAST
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elif not motion and self._state != self._MOTION_SLOW:
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self.emit('motion-slow')
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self._state = self._MOTION_SLOW
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return True
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class PaletteWindow(gtk.Window):
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__gtype_name__ = 'SugarPaletteWindow'
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__gsignals__ = {
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'popup' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'popdown' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([])),
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'activate' : (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([]))
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}
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def __init__(self, **kwargs):
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self._group_id = None
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self._invoker = None
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self._invoker_hids = []
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self._cursor_x = 0
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self._cursor_y = 0
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self._alignment = None
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self._up = False
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self._old_alloc = None
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self._popup_anim = animator.Animator(.5, 10)
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self._popup_anim.add(_PopupAnimation(self))
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self._popdown_anim = animator.Animator(0.6, 10)
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self._popdown_anim.add(_PopdownAnimation(self))
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gobject.GObject.__init__(self, **kwargs)
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self.set_decorated(False)
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self.set_resizable(False)
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# Just assume xthickness and ythickness are the same
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self.set_border_width(self.get_style().xthickness)
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accel_group = gtk.AccelGroup()
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self.set_data('sugar-accel-group', accel_group)
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self.add_accel_group(accel_group)
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self.set_group_id("default")
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self.connect('show', self.__show_cb)
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self.connect('hide', self.__hide_cb)
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self.connect('realize', self.__realize_cb)
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self.connect('destroy', self.__destroy_cb)
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self.connect('enter-notify-event', self.__enter_notify_event_cb)
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self.connect('leave-notify-event', self.__leave_notify_event_cb)
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self._mouse_detector = MouseSpeedDetector(self, 200, 5)
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self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
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def __destroy_cb(self, palette):
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self.set_group_id(None)
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def set_invoker(self, invoker):
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for hid in self._invoker_hids[:]:
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self._invoker.disconnect(hid)
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self._invoker_hids.remove(hid)
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self._invoker = invoker
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if invoker is not None:
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self._invoker_hids.append(self._invoker.connect(
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'mouse-enter', self._invoker_mouse_enter_cb))
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self._invoker_hids.append(self._invoker.connect(
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'mouse-leave', self._invoker_mouse_leave_cb))
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self._invoker_hids.append(self._invoker.connect(
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'right-click', self._invoker_right_click_cb))
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logging.debug(' Invoker set to %r' % self._invoker)
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def get_invoker(self):
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return self._invoker
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invoker = gobject.property(type=object,
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getter=get_invoker,
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setter=set_invoker)
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def __realize_cb(self, widget):
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self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
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def _mouse_slow_cb(self, widget):
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self._mouse_detector.stop()
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self._palette_do_popup()
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def _palette_do_popup(self):
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immediate = False
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if self.is_up():
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self._popdown_anim.stop()
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return
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if self._group_id:
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group = palettegroup.get_group(self._group_id)
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if group and group.is_up():
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immediate = True
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group.popdown()
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self.popup(immediate=immediate)
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def is_up(self):
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return self._up
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def set_group_id(self, group_id):
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if self._group_id:
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group = palettegroup.get_group(self._group_id)
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group.remove(self)
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if group_id:
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self._group_id = group_id
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group = palettegroup.get_group(group_id)
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group.add(self)
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def get_group_id(self):
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return self._group_id
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group_id = gobject.property(type=str,
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getter=get_group_id,
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setter=set_group_id)
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def do_size_request(self, requisition):
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gtk.Window.do_size_request(self, requisition)
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requisition.width = max(requisition.width, style.GRID_CELL_SIZE * 2)
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def do_size_allocate(self, allocation):
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gtk.Window.do_size_allocate(self, allocation)
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if self._old_alloc is None or \
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self._old_alloc.x != allocation.x or \
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self._old_alloc.y != allocation.y or \
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self._old_alloc.width != allocation.width or \
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self._old_alloc.height != allocation.height:
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self.queue_draw()
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# We need to store old allocation because when size_allocate
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# is called widget.allocation is already updated.
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# gtk.Window resizing is different from normal containers:
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# the X window is resized, widget.allocation is updated from
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# the configure request handler and finally size_allocate is called.
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self._old_alloc = allocation
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def do_expose_event(self, event):
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# We want to draw a border with a beautiful gap
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if self._invoker is not None and self._invoker.has_rectangle_gap():
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invoker = self._invoker.get_rect()
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palette = self.get_rect()
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gap = _calculate_gap(palette, invoker)
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else:
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gap = False
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allocation = self.get_allocation()
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wstyle = self.get_style()
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if gap:
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wstyle.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
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gtk.SHADOW_IN, event.area, self, "palette",
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0, 0, allocation.width, allocation.height,
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gap[0], gap[1], gap[2])
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else:
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wstyle.paint_box(event.window, gtk.STATE_PRELIGHT,
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gtk.SHADOW_IN, event.area, self, "palette",
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0, 0, allocation.width, allocation.height)
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# Fall trough to the container expose handler.
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# (Leaving out the window expose handler which redraws everything)
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gtk.Bin.do_expose_event(self, event)
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def update_position(self):
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logging.debug(' update_position 1 %r %r' % (self._invoker, self._alignment))
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invoker = self._invoker
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if invoker is None or self._alignment is None:
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logging.error('Cannot update the palette position.')
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return
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rect = self.size_request()
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position = invoker.get_position_for_alignment(self._alignment, rect)
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if position is None:
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position = invoker.get_position(rect)
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logging.debug(' update_position %r %r' % (position.x, position.y))
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self.move(position.x, position.y)
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def get_full_size_request(self):
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return self.size_request()
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def popup(self, immediate=False):
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if self._invoker is not None:
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full_size_request = self.get_full_size_request()
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self._alignment = self._invoker.get_alignment(full_size_request)
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self.update_position()
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self.set_transient_for(self._invoker.get_toplevel())
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self._popdown_anim.stop()
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if not immediate:
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self._popup_anim.start()
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else:
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self.show()
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def popdown(self, immediate=False):
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logging.debug('Palette.popdown immediate %r' % immediate)
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self._popup_anim.stop()
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self._mouse_detector.stop()
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if not immediate:
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self._popdown_anim.start()
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else:
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self.hide()
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def on_invoker_enter(self):
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self._mouse_detector.start()
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def on_invoker_leave(self):
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self._mouse_detector.stop()
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self.popdown()
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def on_enter(self, event):
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self._popdown_anim.stop()
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def on_leave(self, event):
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self.popdown()
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def _invoker_mouse_enter_cb(self, invoker):
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self.on_invoker_enter()
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def _invoker_mouse_leave_cb(self, invoker):
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self.on_invoker_leave()
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def _invoker_right_click_cb(self, invoker):
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self.popup(immediate=True)
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def __enter_notify_event_cb(self, widget, event):
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if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
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event.mode == gtk.gdk.CROSSING_NORMAL:
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self.on_enter(event)
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def __leave_notify_event_cb(self, widget, event):
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if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
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event.mode == gtk.gdk.CROSSING_NORMAL:
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self.on_leave(event)
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def __show_cb(self, widget):
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self._invoker.notify_popup()
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self._up = True
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self.emit('popup')
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def __hide_cb(self, widget):
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logging.debug('__hide_cb')
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if self._invoker:
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self._invoker.notify_popdown()
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self._up = False
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self.emit('popdown')
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def get_rect(self):
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win_x, win_y = self.window.get_origin()
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rectangle = self.get_allocation()
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x = win_x + rectangle.x
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y = win_y + rectangle.y
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width = rectangle.width
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height = rectangle.height
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return gtk.gdk.Rectangle(x, y, width, height)
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def get_palette_state(self):
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return self._palette_state
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def _set_palette_state(self, state):
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self._palette_state = state
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def set_palette_state(self, state):
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self._set_palette_state(state)
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palette_state = property(get_palette_state)
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class _PopupAnimation(animator.Animation):
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def __init__(self, palette):
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animator.Animation.__init__(self, 0.0, 1.0)
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self._palette = palette
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def next_frame(self, current):
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if current == 1.0:
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self._palette.show()
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class _PopdownAnimation(animator.Animation):
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def __init__(self, palette):
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animator.Animation.__init__(self, 0.0, 1.0)
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self._palette = palette
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def next_frame(self, current):
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if current == 1.0:
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self._palette.hide()
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class Invoker(gobject.GObject):
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__gtype_name__ = 'SugarPaletteInvoker'
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__gsignals__ = {
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'mouse-enter': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'mouse-leave': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'right-click': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
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'focus-out': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
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}
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ANCHORED = 0
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AT_CURSOR = 1
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BOTTOM = [(0.0, 0.0, 0.0, 1.0),
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(-1.0, 0.0, 1.0, 1.0)]
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RIGHT = [(0.0, 0.0, 1.0, 0.0),
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(0.0, -1.0, 1.0, 1.0)]
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TOP = [(0.0, -1.0, 0.0, 0.0),
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(-1.0, -1.0, 1.0, 0.0)]
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LEFT = [(-1.0, 0.0, 0.0, 0.0),
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(-1.0, -1.0, 0.0, 1.0)]
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def __init__(self):
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gobject.GObject.__init__(self)
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self.parent = None
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self._screen_area = gtk.gdk.Rectangle(0, 0, gtk.gdk.screen_width(),
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gtk.gdk.screen_height())
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self._position_hint = self.ANCHORED
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self._cursor_x = -1
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self._cursor_y = -1
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self._palette = None
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def attach(self, parent):
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self.parent = parent
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def detach(self):
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self.parent = None
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if self._palette is not None:
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self._palette.destroy()
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self._palette = None
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def _get_position_for_alignment(self, alignment, palette_dim):
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palette_halign = alignment[0]
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palette_valign = alignment[1]
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invoker_halign = alignment[2]
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invoker_valign = alignment[3]
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if self._cursor_x == -1 or self._cursor_y == -1:
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display = gtk.gdk.display_get_default()
|
||||
screen_, x, y, mask_ = display.get_pointer()
|
||||
self._cursor_x = x
|
||||
self._cursor_y = y
|
||||
|
||||
if self._position_hint is self.ANCHORED:
|
||||
rect = self.get_rect()
|
||||
else:
|
||||
dist = style.PALETTE_CURSOR_DISTANCE
|
||||
rect = gtk.gdk.Rectangle(self._cursor_x - dist,
|
||||
self._cursor_y - dist,
|
||||
dist * 2, dist * 2)
|
||||
|
||||
palette_width, palette_height = palette_dim
|
||||
|
||||
x = rect.x + rect.width * invoker_halign + \
|
||||
palette_width * palette_halign
|
||||
|
||||
y = rect.y + rect.height * invoker_valign + \
|
||||
palette_height * palette_valign
|
||||
|
||||
return gtk.gdk.Rectangle(int(x), int(y),
|
||||
palette_width, palette_height)
|
||||
|
||||
def _in_screen(self, rect):
|
||||
return rect.x >= self._screen_area.x and \
|
||||
rect.y >= self._screen_area.y and \
|
||||
rect.x + rect.width <= self._screen_area.width and \
|
||||
rect.y + rect.height <= self._screen_area.height
|
||||
|
||||
def _get_area_in_screen(self, rect):
|
||||
"""Return area of rectangle visible in the screen"""
|
||||
|
||||
x1 = max(rect.x, self._screen_area.x)
|
||||
y1 = max(rect.y, self._screen_area.y)
|
||||
x2 = min(rect.x + rect.width,
|
||||
self._screen_area.x + self._screen_area.width)
|
||||
y2 = min(rect.y + rect.height,
|
||||
self._screen_area.y + self._screen_area.height)
|
||||
|
||||
return (x2 - x1) * (y2 - y1)
|
||||
|
||||
def _get_alignments(self):
|
||||
if self._position_hint is self.AT_CURSOR:
|
||||
return [(0.0, 0.0, 1.0, 1.0),
|
||||
(0.0, -1.0, 1.0, 0.0),
|
||||
(-1.0, -1.0, 0.0, 0.0),
|
||||
(-1.0, 0.0, 0.0, 1.0)]
|
||||
else:
|
||||
return self.BOTTOM + self.RIGHT + self.TOP + self.LEFT
|
||||
|
||||
def get_position_for_alignment(self, alignment, palette_dim):
|
||||
rect = self._get_position_for_alignment(alignment, palette_dim)
|
||||
if self._in_screen(rect):
|
||||
return rect
|
||||
else:
|
||||
return None
|
||||
|
||||
def get_position(self, palette_dim):
|
||||
alignment = self.get_alignment(palette_dim)
|
||||
rect = self._get_position_for_alignment(alignment, palette_dim)
|
||||
|
||||
# In case our efforts to find an optimum place inside the screen failed,
|
||||
# just make sure the palette fits inside the screen if at all possible.
|
||||
rect.x = max(0, rect.x)
|
||||
rect.y = max(0, rect.y)
|
||||
|
||||
rect.x = min(rect.x, self._screen_area.width - rect.width)
|
||||
rect.y = min(rect.y, self._screen_area.height - rect.height)
|
||||
|
||||
return rect
|
||||
|
||||
def get_alignment(self, palette_dim):
|
||||
best_alignment = None
|
||||
best_area = -1
|
||||
for alignment in self._get_alignments():
|
||||
pos = self._get_position_for_alignment(alignment, palette_dim)
|
||||
if self._in_screen(pos):
|
||||
return alignment
|
||||
|
||||
area = self._get_area_in_screen(pos)
|
||||
if area > best_area:
|
||||
best_alignment = alignment
|
||||
best_area = area
|
||||
|
||||
# Palette horiz/vert alignment
|
||||
ph = best_alignment[0]
|
||||
pv = best_alignment[1]
|
||||
|
||||
# Invoker horiz/vert alignment
|
||||
ih = best_alignment[2]
|
||||
iv = best_alignment[3]
|
||||
|
||||
rect = self.get_rect()
|
||||
screen_area = self._screen_area
|
||||
|
||||
if best_alignment in self.LEFT or best_alignment in self.RIGHT:
|
||||
dtop = rect.y - screen_area.y
|
||||
dbottom = screen_area.y + screen_area.height - rect.y - rect.width
|
||||
|
||||
iv = 0
|
||||
|
||||
# Set palette_valign to align to screen on the top
|
||||
if dtop > dbottom:
|
||||
pv = -float(dtop) / palette_dim[1]
|
||||
|
||||
# Set palette_valign to align to screen on the bottom
|
||||
else:
|
||||
pv = -float(palette_dim[1] - dbottom - rect.height) \
|
||||
/ palette_dim[1]
|
||||
|
||||
elif best_alignment in self.TOP or best_alignment in self.BOTTOM:
|
||||
dleft = rect.x - screen_area.x
|
||||
dright = screen_area.x + screen_area.width - rect.x - rect.width
|
||||
|
||||
ih = 0
|
||||
|
||||
# Set palette_halign to align to screen on left
|
||||
if dleft > dright:
|
||||
ph = -float(dleft) / palette_dim[0]
|
||||
|
||||
# Set palette_halign to align to screen on right
|
||||
else:
|
||||
ph = -float(palette_dim[0] - dright - rect.width) \
|
||||
/ palette_dim[0]
|
||||
|
||||
return (ph, pv, ih, iv)
|
||||
|
||||
def has_rectangle_gap(self):
|
||||
return False
|
||||
|
||||
def draw_rectangle(self, event, palette):
|
||||
pass
|
||||
|
||||
def notify_popup(self):
|
||||
pass
|
||||
|
||||
def notify_popdown(self):
|
||||
self._cursor_x = -1
|
||||
self._cursor_y = -1
|
||||
|
||||
def _ensure_palette_exists(self):
|
||||
if self.parent and self.palette is None:
|
||||
palette = self.parent.create_palette()
|
||||
if palette is not None:
|
||||
self.palette = palette
|
||||
|
||||
def notify_mouse_enter(self):
|
||||
self._ensure_palette_exists()
|
||||
self.emit('mouse-enter')
|
||||
|
||||
def notify_mouse_leave(self):
|
||||
self.emit('mouse-leave')
|
||||
|
||||
def notify_right_click(self):
|
||||
self._ensure_palette_exists()
|
||||
self.emit('right-click')
|
||||
|
||||
def get_palette(self):
|
||||
return self._palette
|
||||
|
||||
def set_palette(self, palette):
|
||||
if self._palette:
|
||||
self._palette.props.invoker = None
|
||||
|
||||
self._palette = palette
|
||||
|
||||
if self._palette:
|
||||
self._palette.props.invoker = self
|
||||
|
||||
palette = gobject.property(
|
||||
type=object, setter=set_palette, getter=get_palette)
|
||||
|
||||
class WidgetInvoker(Invoker):
|
||||
def __init__(self, parent=None, widget=None):
|
||||
Invoker.__init__(self)
|
||||
|
||||
self._widget = None
|
||||
self._enter_hid = None
|
||||
self._leave_hid = None
|
||||
self._release_hid = None
|
||||
|
||||
if parent or widget:
|
||||
self.attach_widget(parent, widget)
|
||||
|
||||
def attach_widget(self, parent, widget=None):
|
||||
if widget:
|
||||
self._widget = widget
|
||||
else:
|
||||
self._widget = parent
|
||||
|
||||
self.notify('widget')
|
||||
|
||||
self._enter_hid = self._widget.connect('enter-notify-event',
|
||||
self.__enter_notify_event_cb)
|
||||
self._leave_hid = self._widget.connect('leave-notify-event',
|
||||
self.__leave_notify_event_cb)
|
||||
self._release_hid = self._widget.connect('button-release-event',
|
||||
self.__button_release_event_cb)
|
||||
|
||||
self.attach(parent)
|
||||
|
||||
def detach(self):
|
||||
Invoker.detach(self)
|
||||
self._widget.disconnect(self._enter_hid)
|
||||
self._widget.disconnect(self._leave_hid)
|
||||
self._widget.disconnect(self._release_hid)
|
||||
|
||||
def get_rect(self):
|
||||
allocation = self._widget.get_allocation()
|
||||
if self._widget.window is not None:
|
||||
x, y = self._widget.window.get_origin()
|
||||
else:
|
||||
logging.warning(
|
||||
"Trying to position palette with invoker that's not realized.")
|
||||
x = 0
|
||||
y = 0
|
||||
|
||||
if self._widget.flags() & gtk.NO_WINDOW:
|
||||
x += allocation.x
|
||||
y += allocation.y
|
||||
|
||||
width = allocation.width
|
||||
height = allocation.height
|
||||
|
||||
return gtk.gdk.Rectangle(x, y, width, height)
|
||||
|
||||
def has_rectangle_gap(self):
|
||||
return True
|
||||
|
||||
def draw_rectangle(self, event, palette):
|
||||
if self._widget.flags() & gtk.NO_WINDOW:
|
||||
x, y = self._widget.allocation.x, self._widget.allocation.y
|
||||
else:
|
||||
x = y = 0
|
||||
|
||||
wstyle = self._widget.get_style()
|
||||
gap = _calculate_gap(self.get_rect(), palette.get_rect())
|
||||
|
||||
if gap:
|
||||
wstyle.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
|
||||
gtk.SHADOW_IN, event.area, self._widget,
|
||||
"palette-invoker", x, y,
|
||||
self._widget.allocation.width,
|
||||
self._widget.allocation.height,
|
||||
gap[0], gap[1], gap[2])
|
||||
else:
|
||||
wstyle.paint_box(event.window, gtk.STATE_PRELIGHT,
|
||||
gtk.SHADOW_IN, event.area, self._widget,
|
||||
"palette-invoker", x, y,
|
||||
self._widget.allocation.width,
|
||||
self._widget.allocation.height)
|
||||
|
||||
def __enter_notify_event_cb(self, widget, event):
|
||||
self.notify_mouse_enter()
|
||||
|
||||
def __leave_notify_event_cb(self, widget, event):
|
||||
self.notify_mouse_leave()
|
||||
|
||||
def __button_release_event_cb(self, widget, event):
|
||||
if event.button == 3:
|
||||
self.notify_right_click()
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def get_toplevel(self):
|
||||
return self._widget.get_toplevel()
|
||||
|
||||
def notify_popup(self):
|
||||
Invoker.notify_popup(self)
|
||||
self._widget.queue_draw()
|
||||
|
||||
def notify_popdown(self):
|
||||
Invoker.notify_popdown(self)
|
||||
self._widget.queue_draw()
|
||||
|
||||
def _get_widget(self):
|
||||
return self._widget
|
||||
widget = gobject.property(type=object, getter=_get_widget, setter=None)
|
||||
|
||||
class CanvasInvoker(Invoker):
|
||||
def __init__(self, parent=None):
|
||||
Invoker.__init__(self)
|
||||
|
||||
self._position_hint = self.AT_CURSOR
|
||||
self._motion_hid = None
|
||||
self._release_hid = None
|
||||
self._item = None
|
||||
|
||||
if parent:
|
||||
self.attach(parent)
|
||||
|
||||
def attach(self, parent):
|
||||
Invoker.attach(self, parent)
|
||||
|
||||
self._item = parent
|
||||
self._motion_hid = self._item.connect('motion-notify-event',
|
||||
self.__motion_notify_event_cb)
|
||||
self._release_hid = self._item.connect('button-release-event',
|
||||
self.__button_release_event_cb)
|
||||
|
||||
def detach(self):
|
||||
Invoker.detach(self)
|
||||
self._item.disconnect(self._motion_hid)
|
||||
self._item.disconnect(self._release_hid)
|
||||
|
||||
def get_default_position(self):
|
||||
return self.AT_CURSOR
|
||||
|
||||
def get_rect(self):
|
||||
context = self._item.get_context()
|
||||
if context:
|
||||
x, y = context.translate_to_screen(self._item)
|
||||
width, height = self._item.get_allocation()
|
||||
return gtk.gdk.Rectangle(x, y, width, height)
|
||||
else:
|
||||
return gtk.gdk.Rectangle()
|
||||
|
||||
def __motion_notify_event_cb(self, button, event):
|
||||
if event.detail == hippo.MOTION_DETAIL_ENTER:
|
||||
self.notify_mouse_enter()
|
||||
elif event.detail == hippo.MOTION_DETAIL_LEAVE:
|
||||
self.notify_mouse_leave()
|
||||
|
||||
return False
|
||||
|
||||
def __button_release_event_cb(self, button, event):
|
||||
if event.button == 3:
|
||||
self.notify_right_click()
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def get_toplevel(self):
|
||||
return hippo.get_canvas_for_item(self._item).get_toplevel()
|
||||
|
||||
class ToolInvoker(WidgetInvoker):
|
||||
def __init__(self, parent=None):
|
||||
WidgetInvoker.__init__(self)
|
||||
|
||||
if parent:
|
||||
self.attach_tool(parent)
|
||||
|
||||
def attach_tool(self, widget):
|
||||
self.attach_widget(widget, widget.child)
|
||||
|
||||
def _get_alignments(self):
|
||||
parent = self._widget.get_parent()
|
||||
if parent is None:
|
||||
return WidgetInvoker._get_alignments()
|
||||
|
||||
if parent.get_orientation() is gtk.ORIENTATION_HORIZONTAL:
|
||||
return self.BOTTOM + self.TOP
|
||||
else:
|
||||
return self.LEFT + self.RIGHT
|
||||
|
||||
class CellRendererInvoker(Invoker):
|
||||
def __init__(self):
|
||||
Invoker.__init__(self)
|
||||
|
||||
self._position_hint = self.AT_CURSOR
|
||||
self._tree_view = None
|
||||
self._cell_renderer = None
|
||||
self._motion_hid = None
|
||||
self._leave_hid = None
|
||||
self._release_hid = None
|
||||
self.path = None
|
||||
|
||||
def attach_cell_renderer(self, tree_view, cell_renderer):
|
||||
self._tree_view = tree_view
|
||||
self._cell_renderer = cell_renderer
|
||||
|
||||
self._motion_hid = tree_view.connect('motion-notify-event',
|
||||
self.__motion_notify_event_cb)
|
||||
self._leave_hid = tree_view.connect('leave-notify-event',
|
||||
self.__leave_notify_event_cb)
|
||||
self._release_hid = tree_view.connect('button-release-event',
|
||||
self.__button_release_event_cb)
|
||||
|
||||
self.attach(cell_renderer)
|
||||
|
||||
def detach(self):
|
||||
Invoker.detach(self)
|
||||
self._tree_view.disconnect(self._motion_hid)
|
||||
self._tree_view.disconnect(self._leave_hid)
|
||||
self._tree_view.disconnect(self._release_hid)
|
||||
|
||||
def get_rect(self):
|
||||
allocation = self._tree_view.get_allocation()
|
||||
if self._tree_view.window is not None:
|
||||
x, y = self._tree_view.window.get_origin()
|
||||
else:
|
||||
logging.warning(
|
||||
"Trying to position palette with invoker that's not realized.")
|
||||
x = 0
|
||||
y = 0
|
||||
|
||||
if self._tree_view.flags() & gtk.NO_WINDOW:
|
||||
x += allocation.x
|
||||
y += allocation.y
|
||||
|
||||
width = allocation.width
|
||||
height = allocation.height
|
||||
|
||||
return gtk.gdk.Rectangle(x, y, width, height)
|
||||
|
||||
def __motion_notify_event_cb(self, widget, event):
|
||||
if event.window != widget.get_bin_window():
|
||||
return
|
||||
if self._point_in_cell_renderer(event.x, event.y):
|
||||
|
||||
tree_view = self._tree_view
|
||||
path, column_, x_, y_ = tree_view.get_path_at_pos(int(event.x),
|
||||
int(event.y))
|
||||
if path != self.path:
|
||||
if self.path is not None:
|
||||
self._redraw_path(self.path)
|
||||
if path is not None:
|
||||
self._redraw_path(path)
|
||||
if self.palette is not None:
|
||||
self.palette.popdown(immediate=True)
|
||||
self.palette = None
|
||||
self.path = path
|
||||
|
||||
self.notify_mouse_enter()
|
||||
else:
|
||||
if self.path is not None:
|
||||
self._redraw_path(self.path)
|
||||
self.path = None
|
||||
self.notify_mouse_leave()
|
||||
|
||||
def _redraw_path(self, path):
|
||||
model = self._tree_view.get_model()
|
||||
iter = model.get_iter(path)
|
||||
model.row_changed(path, iter)
|
||||
|
||||
def __leave_notify_event_cb(self, widget, event):
|
||||
self.notify_mouse_leave()
|
||||
|
||||
def __button_release_event_cb(self, widget, event):
|
||||
if event.button == 1 and self._point_in_cell_renderer(event.x, event.y):
|
||||
tree_view = self._tree_view
|
||||
path, column_, x_, y_ = tree_view.get_path_at_pos(int(event.x),
|
||||
int(event.y))
|
||||
self._cell_renderer.emit('clicked', path)
|
||||
# So the treeview receives it and knows a drag isn't going on
|
||||
return False
|
||||
if event.button == 3 and self._point_in_cell_renderer(event.x, event.y):
|
||||
self.notify_right_click()
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def _point_in_cell_renderer(self, event_x, event_y):
|
||||
pos = self._tree_view.get_path_at_pos(int(event_x), int(event_y))
|
||||
if pos is None:
|
||||
return False
|
||||
|
||||
path, column, x, y = pos
|
||||
|
||||
for cell_renderer in column.get_cell_renderers():
|
||||
if cell_renderer == self._cell_renderer:
|
||||
cell_x, cell_width = column.cell_get_position(cell_renderer)
|
||||
if x > cell_x and x < (cell_x + cell_width):
|
||||
return True
|
||||
return False
|
||||
|
||||
return False
|
||||
|
||||
def get_toplevel(self):
|
||||
return self._tree_view.get_toplevel()
|
||||
|
||||
def notify_popup(self):
|
||||
Invoker.notify_popup(self)
|
||||
|
||||
def notify_popdown(self):
|
||||
Invoker.notify_popdown(self)
|
||||
self.palette = None
|
||||
|
||||
def get_default_position(self):
|
||||
return self.AT_CURSOR
|
||||
|
||||
Loading…
Reference in New Issue