647 lines
20 KiB
Python
647 lines
20 KiB
Python
# Copyright (C) 2007, Eduardo Silva <edsiper@gmail.com>
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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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import logging
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import gtk
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import gobject
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import time
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import hippo
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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 import _sugaruiext
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_BOTTOM_LEFT = 0
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_BOTTOM_RIGHT = 1
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_LEFT_BOTTOM = 2
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_LEFT_TOP = 3
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_RIGHT_BOTTOM = 4
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_RIGHT_TOP = 5
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_TOP_LEFT = 6
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_TOP_RIGHT = 7
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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 Palette(gtk.Window):
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DEFAULT = 0
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AT_CURSOR = 1
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AROUND = 2
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BOTTOM = 3
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LEFT = 4
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RIGHT = 5
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TOP = 6
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_PRIMARY = 0
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_SECONDARY = 1
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__gtype_name__ = 'SugarPalette'
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__gproperties__ = {
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'invoker' : (object, None, None,
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gobject.PARAM_READWRITE),
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'position' : (gobject.TYPE_INT, None, None, 0, 6,
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0, gobject.PARAM_READWRITE),
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'draw-gap' : (bool, None, None, False,
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gobject.PARAM_READWRITE)
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}
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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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}
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def __init__(self, label, accel_path=None):
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gtk.Window.__init__(self)
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self.set_decorated(False)
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self.set_resizable(False)
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self.connect('realize', self._realize_cb)
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self._full_request = [0, 0]
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self._cursor_x = 0
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self._cursor_y = 0
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self._state = self._PRIMARY
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self._invoker = None
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self._group_id = None
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self._up = False
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self._position = self.DEFAULT
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self._draw_gap = False
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self._palette_popup_sid = None
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self._popup_anim = animator.Animator(0.3, 10)
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self._popup_anim.add(_PopupAnimation(self))
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self._secondary_anim = animator.Animator(1.0, 10)
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self._secondary_anim.add(_SecondaryAnimation(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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vbox = gtk.VBox()
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vbox.set_border_width(style.DEFAULT_PADDING)
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self._label = gtk.Label()
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vbox.pack_start(self._label, False)
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self._secondary_box = gtk.VBox()
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vbox.pack_start(self._secondary_box)
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self._separator = gtk.HSeparator()
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self._secondary_box.pack_start(self._separator)
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self._menu_box = gtk.VBox()
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self._secondary_box.pack_start(self._menu_box)
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self._menu_box.show()
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self._content = gtk.VBox()
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self._secondary_box.pack_start(self._content)
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self._content.show()
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self.action_bar = PaletteActionBar()
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self._secondary_box.pack_start(self.action_bar)
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self.action_bar.show()
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self.add(vbox)
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vbox.show()
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self.menu = _Menu(self)
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self.menu.show()
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self.connect('enter-notify-event',
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self._enter_notify_event_cb)
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self.connect('leave-notify-event',
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self._leave_notify_event_cb)
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self.set_primary_text(label, accel_path)
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def is_up(self):
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return self._up
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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 set_primary_text(self, label, accel_path=None):
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self._label.set_text(label)
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self._label.show()
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def set_content(self, widget):
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if len(self._content.get_children()) > 0:
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self.remove(self._content.get_children()[0])
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if widget is not None:
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self._content.add(widget)
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self._update_accept_focus()
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self._update_separator()
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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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group = palettegroup.get_group(group_id)
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group.add(self)
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def do_set_property(self, pspec, value):
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if pspec.name == 'invoker':
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self._invoker = value
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self._invoker.connect('mouse-enter', self._invoker_mouse_enter_cb)
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self._invoker.connect('mouse-leave', self._invoker_mouse_leave_cb)
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elif pspec.name == 'position':
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self._position = value
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elif pspec.name == 'draw-gap':
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self._draw_gap = value
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self.queue_draw()
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else:
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raise AssertionError
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def do_get_property(self, pspec):
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if pspec.name == 'invoker':
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return self._invoker
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elif pspec.name == 'position':
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return self._position
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elif pspec.name == 'draw-gap':
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return self._draw_gap
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else:
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raise AssertionError
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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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self.queue_draw()
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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._draw_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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if gap:
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self.style.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,
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self.allocation.width,
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self.allocation.height,
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gap[0], gap[1], gap[2])
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else:
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self.style.paint_box(event.window, gtk.STATE_PRELIGHT,
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gtk.SHADOW_IN, event.area, self, "palette",
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0, 0,
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self.allocation.width,
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self.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_separator(self):
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visible = len(self.menu.get_children()) > 0 or \
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len(self._content.get_children()) > 0
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self._separator.props.visible = visible
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def _update_accept_focus(self):
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accept_focus = len(self._content.get_children())
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if self.window:
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self.window.set_accept_focus(accept_focus)
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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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self._update_accept_focus()
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def _in_screen(self, x, y):
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[width, height] = self._full_request
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screen_area = self._invoker.get_screen_area()
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return x >= screen_area.x and \
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y >= screen_area.y and \
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x + width <= screen_area.width and \
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y + height <= screen_area.height
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def _get_position(self, palette_halign, palette_valign,
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invoker_halign, invoker_valign, inv_rect=None):
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if inv_rect == None:
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inv_rect = self._invoker.get_rect()
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palette_width, palette_height = self.size_request()
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x = inv_rect.x + inv_rect.width * invoker_halign + \
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palette_width * palette_halign
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y = inv_rect.y + inv_rect.height * invoker_valign + \
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palette_height * palette_valign
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return int(x), int(y)
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def _get_left_position(self, inv_rect=None):
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x, y = self._get_position(-1.0, 0.0, 0.0, 0.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(-1.0, -1.0, 0.0, 1.0, inv_rect)
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return x, y
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def _get_right_position(self, inv_rect=None):
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x, y = self._get_position(0.0, 0.0, 1.0, 0.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(0.0, -1.0, 1.0, 1.0, inv_rect)
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return x, y
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def _get_top_position(self, inv_rect=None):
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x, y = self._get_position(0.0, -1.0, 0.0, 0.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(-1.0, -1.0, 1.0, 0.0, inv_rect)
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return x, y
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def _get_bottom_position(self, inv_rect=None):
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x, y = self._get_position(0.0, 0.0, 0.0, 1.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(-1.0, 0.0, 1.0, 1.0, inv_rect)
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return x, y
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def _get_around_position(self, inv_rect=None):
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x, y = self._get_bottom_position(inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_right_position(inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_top_position(inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_left_position(inv_rect)
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return x, y
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def _get_at_cursor_position(self, inv_rect=None):
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x, y = self._get_position(0.0, 0.0, 1.0, 1.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(0.0, -1.0, 1.0, 0.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(-1.0, -1.0, 0.0, 0.0, inv_rect)
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if not self._in_screen(x, y):
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x, y = self._get_position(-1.0, 0.0, 0.0, 1.0, inv_rect)
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return x, y
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def _update_full_request(self):
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state = self._state
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self.set_size_request(-1, -1)
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self._set_state(self._SECONDARY)
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self._full_request = self.size_request()
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self.set_size_request(self._full_request[0], -1)
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self._set_state(state)
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def _update_cursor_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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self._cursor_x = x
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self._cursor_y = y
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def _update_position(self):
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x = y = 0
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if self._position == self.DEFAULT:
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position = self._invoker.get_default_position()
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else:
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position = self._position
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if position == self.AT_CURSOR:
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dist = style.PALETTE_CURSOR_DISTANCE
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rect = gtk.gdk.Rectangle(self._cursor_x - dist,
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self._cursor_y - dist,
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dist * 2, dist * 2)
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x, y = self._get_at_cursor_position(rect)
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elif position == self.AROUND:
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x, y = self._get_around_position()
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elif position == self.BOTTOM:
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x, y = self._get_bottom_position()
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elif position == self.LEFT:
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x, y = self._get_left_position()
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elif position == self.RIGHT:
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x, y = self._get_right_position()
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elif position == self.TOP:
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x, y = self._get_top_position()
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self.move(x, y)
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def _show(self):
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if self._up:
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return
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self._update_cursor_position()
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self._update_full_request()
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self._palette_popup_sid = _palette_observer.connect(
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'popup', self._palette_observer_popup_cb)
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self._update_position()
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self.menu.set_active(True)
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self.show()
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self._up = True
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_palette_observer.emit('popup', self)
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self.emit('popup')
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def _hide(self):
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if not self._palette_popup_sid is None:
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_palette_observer.disconnect(self._palette_popup_sid)
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self._palette_popup_sid = None
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self.menu.set_active(False)
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self.hide()
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self._up = False
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self.emit('popdown')
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def popup(self):
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self._popdown_anim.stop()
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self._popup_anim.start()
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self._secondary_anim.start()
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def popdown(self, inmediate=False):
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self._secondary_anim.stop()
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self._popup_anim.stop()
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if not inmediate:
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self._popdown_anim.start()
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else:
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self._hide()
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def _set_state(self, state):
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if self._state == state:
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return
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if state == self._PRIMARY:
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self.menu.unembed()
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self._secondary_box.hide()
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elif state == self._SECONDARY:
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self.menu.embed(self._menu_box)
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self._secondary_box.show()
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self._state = state
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def _invoker_mouse_enter_cb(self, invoker):
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self.popup()
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def _invoker_mouse_leave_cb(self, invoker):
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self.popdown()
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def _enter_notify_event_cb(self, widget, event):
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if event.detail != gtk.gdk.NOTIFY_INFERIOR:
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self._popdown_anim.stop()
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self._secondary_anim.start()
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def _leave_notify_event_cb(self, widget, event):
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if event.detail != gtk.gdk.NOTIFY_INFERIOR:
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self.popdown()
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def _palette_observer_popup_cb(self, observer, palette):
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if self != palette:
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self._hide()
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class PaletteActionBar(gtk.HButtonBox):
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def add_action(label, icon_name=None):
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button = Button(label)
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if icon_name:
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icon = Icon(icon_name)
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button.set_image(icon)
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icon.show()
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self.pack_start(button)
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button.show()
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class _Menu(_sugaruiext.Menu):
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__gtype_name__ = 'SugarPaletteMenu'
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def __init__(self, palette):
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_sugaruiext.Menu.__init__(self)
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self._palette = palette
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def do_insert(self, item, position):
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_sugaruiext.Menu.do_insert(self, item, position)
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self._palette._update_separator()
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def do_expose_event(self, event):
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# Ignore the Menu expose, just do the MenuShell expose to prevent any
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# border from being drawn here. A border is drawn by the palette object
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# around everything.
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gtk.MenuShell.do_expose_event(self, event)
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def do_grab_notify(self, was_grabbed):
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# Ignore grab_notify as the menu would close otherwise
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pass
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def do_deactivate(self):
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self._palette._hide()
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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._set_state(Palette._PRIMARY)
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self._palette._show()
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class _SecondaryAnimation(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:
|
|
self._palette._set_state(Palette._SECONDARY)
|
|
self._palette._update_position()
|
|
|
|
class _PopdownAnimation(animator.Animation):
|
|
def __init__(self, palette):
|
|
animator.Animation.__init__(self, 0.0, 1.0)
|
|
self._palette = palette
|
|
|
|
def next_frame(self, current):
|
|
if current == 1.0:
|
|
self._palette._hide()
|
|
|
|
class Invoker(gobject.GObject):
|
|
__gtype_name__ = 'SugarPaletteInvoker'
|
|
|
|
__gsignals__ = {
|
|
'mouse-enter': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
|
|
'mouse-leave': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
|
|
'focus-out': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
|
|
}
|
|
|
|
def __init__(self):
|
|
gobject.GObject.__init__(self)
|
|
|
|
def get_default_position(self):
|
|
return Palette.AROUND
|
|
|
|
def get_screen_area(self):
|
|
width = gtk.gdk.screen_width()
|
|
height = gtk.gdk.screen_height()
|
|
return gtk.gdk.Rectangle(0, 0, width, height)
|
|
|
|
class WidgetInvoker(Invoker):
|
|
def __init__(self, widget):
|
|
Invoker.__init__(self)
|
|
self._widget = widget
|
|
|
|
widget.connect('enter-notify-event', self._enter_notify_event_cb)
|
|
widget.connect('leave-notify-event', self._leave_notify_event_cb)
|
|
|
|
def get_rect(self):
|
|
win_x, win_y = self._widget.window.get_origin()
|
|
rectangle = self._widget.get_allocation()
|
|
|
|
x = win_x + rectangle.x
|
|
y = win_y + rectangle.y
|
|
width = rectangle.width
|
|
height = rectangle.height
|
|
|
|
return gtk.gdk.Rectangle(x, y, width, height)
|
|
|
|
def draw_invoker_rect(self, event, palette):
|
|
style = self._widget.style
|
|
if palette.is_up():
|
|
gap = _calculate_gap(self.get_rect(), palette.get_rect())
|
|
|
|
if gap:
|
|
style.paint_box_gap(event.window, gtk.STATE_PRELIGHT,
|
|
gtk.SHADOW_IN, event.area, self._widget,
|
|
"palette-invoker",
|
|
self._widget.allocation.x,
|
|
self._widget.allocation.y,
|
|
self._widget.allocation.width,
|
|
self._widget.allocation.height,
|
|
gap[0], gap[1], gap[2])
|
|
else:
|
|
style.paint_box(event.window, gtk.STATE_PRELIGHT,
|
|
gtk.SHADOW_IN, event.area, self._widget,
|
|
"palette-invoker",
|
|
self._widget.allocation.x,
|
|
self._widget.allocation.y,
|
|
self._widget.allocation.width,
|
|
self._widget.allocation.height)
|
|
else:
|
|
style.paint_box(event.window, gtk.STATE_PRELIGHT,
|
|
gtk.SHADOW_NONE, event.area, self._widget,
|
|
"palette-invoker",
|
|
self._widget.allocation.x,
|
|
self._widget.allocation.y,
|
|
self._widget.allocation.width,
|
|
self._widget.allocation.height)
|
|
|
|
def _enter_notify_event_cb(self, widget, event):
|
|
self.emit('mouse-enter')
|
|
|
|
def _leave_notify_event_cb(self, widget, event):
|
|
self.emit('mouse-leave')
|
|
|
|
def get_toplevel(self):
|
|
return self._widget.get_toplevel()
|
|
|
|
class CanvasInvoker(Invoker):
|
|
def __init__(self, item):
|
|
Invoker.__init__(self)
|
|
self._item = item
|
|
|
|
item.connect('motion-notify-event',
|
|
self._motion_notify_event_cb)
|
|
|
|
def get_default_position(self):
|
|
return Palette.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)
|
|
|
|
def _motion_notify_event_cb(self, button, event):
|
|
if event.detail == hippo.MOTION_DETAIL_ENTER:
|
|
self.emit('mouse-enter')
|
|
elif event.detail == hippo.MOTION_DETAIL_LEAVE:
|
|
self.emit('mouse-leave')
|
|
|
|
return False
|
|
|
|
def get_toplevel(self):
|
|
return hippo.get_canvas_for_item(self._item).get_toplevel()
|
|
|
|
class _PaletteObserver(gobject.GObject):
|
|
__gtype_name__ = 'SugarPaletteObserver'
|
|
|
|
__gsignals__ = {
|
|
'popup': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([object]))
|
|
}
|
|
|
|
def __init__(self):
|
|
gobject.GObject.__init__(self)
|
|
|
|
_palette_observer = _PaletteObserver()
|