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405 lines
13 KiB
Python
405 lines
13 KiB
Python
# Copyright (C) 2009, Aleksey Lim
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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 gtk
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import gobject
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import logging
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from gobject import SIGNAL_RUN_FIRST, TYPE_NONE
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from sugar.graphics import style
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from sugar.graphics.toolbutton import ToolButton
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from sugar.graphics.palette import _PopupAnimation, _PopdownAnimation
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from sugar.graphics.palette import MouseSpeedDetector, Invoker
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from sugar.graphics import animator
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from sugar.graphics import palettegroup
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class ToolbarButton(ToolButton):
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def __init__(self, **kwargs):
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self._page = None
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ToolButton.__init__(self, **kwargs)
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if self.palette is None:
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self.palette = _Palette(self)
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self.connect('clicked',
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lambda widget: self.set_expanded(not self.expanded))
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def get_toolbar(self):
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if not hasattr(self.parent, 'owner'):
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return None
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return self.parent.owner
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toolbar = property(get_toolbar)
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def get_page(self):
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return self._page.child.child
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def set_page(self, page):
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self._page = _align(_Box, page)
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self._page._toolitem = self
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page.show()
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page = gobject.property(type=object, getter=get_page, setter=set_page)
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def get_expanded(self):
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return bool(self.toolbar) and bool(self._page) and \
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self.toolbar._expanded_page() == self._page
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def set_expanded(self, value):
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if not self.toolbar or not self._page or self.get_expanded() == value:
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return
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if isinstance(self.palette, _Palette) and self.palette.is_up():
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self.palette.popdown(immediate=True)
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if not value:
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self.toolbar._shrink_page(self._page)
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return
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expanded = self.toolbar._expanded_page()
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if expanded and expanded._toolitem.window:
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expanded._toolitem.window.invalidate_rect(None, True)
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if self._page.parent:
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self.palette.remove(self._page)
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self.modify_bg(gtk.STATE_NORMAL, self.toolbar._bg)
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self.toolbar._expand_page(self._page)
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expanded = property(get_expanded, set_expanded)
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def do_expose_event(self, event):
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if not self.expanded or self.palette and self.palette.is_up():
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ToolButton.do_expose_event(self, event)
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if self.palette and self.palette.is_up():
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_paint_arrow(self, event, gtk.ARROW_UP)
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else:
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_paint_arrow(self, event, gtk.ARROW_DOWN)
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return
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alloc = self.allocation
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self.get_style().paint_box(event.window,
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gtk.STATE_NORMAL, gtk.SHADOW_IN, event.area, self,
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'palette-invoker', alloc.x, 0,
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alloc.width, alloc.height + style._FOCUS_LINE_WIDTH)
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if self.child.state != gtk.STATE_PRELIGHT:
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self.get_style().paint_box(event.window,
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gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, self, None,
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alloc.x + style._FOCUS_LINE_WIDTH, style._FOCUS_LINE_WIDTH,
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alloc.width - style._FOCUS_LINE_WIDTH*2, alloc.height)
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gtk.ToolButton.do_expose_event(self, event)
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_paint_arrow(self, event, gtk.ARROW_UP)
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class ToolbarBox(gtk.VBox):
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def __init__(self, padding=style.TOOLBOX_HORIZONTAL_PADDING):
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gtk.VBox.__init__(self)
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self.__bar = gtk.Toolbar()
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self.__bar.owner = self
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top_widget = _align(gtk.EventBox, self.__bar)
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self.pack_start(top_widget)
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self.props.padding = padding
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self.modify_bg(gtk.STATE_NORMAL,
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style.COLOR_TOOLBAR_GREY.get_gdk_color())
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self.__notebook = gtk.Notebook()
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self.__notebook.set_show_border(False)
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self.__notebook.set_show_tabs(False)
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self.__notebook.show()
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self.__bar.connect('remove', self.__remove_cb)
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bar = property(lambda self: self.__bar)
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def get_padding(self):
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return self.bar.parent.props.left_padding
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def set_padding(self, pad):
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self.bar.parent.set_padding(0, 0, pad, pad)
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padding = gobject.property(type=object,
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getter=get_padding, setter=set_padding)
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def get_subs(self):
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out = []
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for i in range(self.bar.get_n_items()):
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page = self.bar.get_nth_item(i)
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if isinstance(page, ToolbarButton):
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out.append(page)
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return out
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subs = property(get_subs)
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def modify_bg(self, state, color):
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if state == gtk.STATE_NORMAL:
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self._bg = color
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self.bar.parent.parent.modify_bg(state, color)
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self.bar.modify_bg(state, color)
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def __remove_cb(self, sender, widget):
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if not isinstance(widget, ToolbarButton):
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return
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page_no = self.__notebook.page_num(widget._page)
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if page_no != -1:
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self.__notebook.remove_page(page_no)
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if widget.palette:
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widget.palette.popdown(immediate=True)
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def _expanded_page(self):
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if self.__notebook.parent is None:
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return None
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page_no = self.__notebook.get_current_page()
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return self.__notebook.get_nth_page(page_no)
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def _shrink_page(self, page):
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page_no = self.__notebook.page_num(page)
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if page_no == -1:
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return
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self.__notebook.remove_page(page_no)
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self.remove(self.__notebook)
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def _expand_page(self, page):
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for i in range(self.__notebook.get_n_pages()):
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self.__notebook.remove_page(0)
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_setup_page(page, self._bg, self.props.padding)
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self.__notebook.append_page(page)
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if self.__notebook.parent is None:
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self.pack_start(self.__notebook)
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class _Box(gtk.EventBox):
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def __init__(self):
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gtk.EventBox.__init__(self)
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self.connect('expose-event', self.do_expose_event)
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self.set_app_paintable(True)
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def do_expose_event(self, widget, event):
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a = self._toolitem.allocation
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self.get_style().paint_box(event.window,
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gtk.STATE_NORMAL, gtk.SHADOW_IN, event.area, self,
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'palette-invoker', -style._FOCUS_LINE_WIDTH, 0,
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self.allocation.width + style._FOCUS_LINE_WIDTH*2,
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self.allocation.height + style._FOCUS_LINE_WIDTH)
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self.get_style().paint_box(event.window,
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gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, self, None,
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a.x + style._FOCUS_LINE_WIDTH, 0,
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a.width - style._FOCUS_LINE_WIDTH*2, style._FOCUS_LINE_WIDTH)
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class _Palette(gtk.Window):
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def __init__(self, toolitem, **kwargs):
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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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self.set_border_width(0)
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self._toolitem = toolitem
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self._invoker = None
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self._up = False
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self._invoker_hids = []
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self.__focus = 0
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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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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.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('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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group = palettegroup.get_group('default')
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group.connect('popdown', self.__group_popdown_cb)
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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_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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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 do_size_request(self, requisition):
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gtk.Window.do_size_request(self, requisition)
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if self._toolitem.toolbar:
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requisition.width = self._toolitem.toolbar.allocation.width
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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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#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 popup(self, immediate=False):
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self._popdown_anim.stop()
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toolbar = self._toolitem.toolbar
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page = self._toolitem._page
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if not self._invoker or self._toolitem.expanded or not toolbar:
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return
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_setup_page(page, style.COLOR_BLACK.get_gdk_color(),
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toolbar.props.padding)
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if self.child is None:
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self.add(page)
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x, y = toolbar.window.get_origin()
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self.move(x + toolbar.allocation.x, y + toolbar.bar.allocation.height)
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self.set_transient_for(self._invoker.get_toplevel())
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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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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 _mouse_slow_cb(self, widget):
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self._mouse_detector.stop()
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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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self.popup(immediate=False)
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def __handle_focus(self, delta):
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self.__focus += delta
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if self.__focus not in (0, 1):
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logging.error('_Palette.__focus=%s not in (0, 1)' % self.__focus)
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if self.__focus == 0:
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group = palettegroup.get_group('default')
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if not group.is_up():
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self.popdown()
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def __group_popdown_cb(self, group):
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if self.__focus == 0:
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self.popdown(immediate=True)
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def __invoker_mouse_enter_cb(self, invoker):
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self._mouse_detector.start()
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self.__handle_focus(+1)
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def __invoker_mouse_leave_cb(self, invoker):
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self._mouse_detector.stop()
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self.__handle_focus(-1)
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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._popdown_anim.stop()
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self.__handle_focus(+1)
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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.__handle_focus(-1)
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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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def __hide_cb(self, widget):
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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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def _setup_page(page, color, hpad):
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vpad = style._FOCUS_LINE_WIDTH
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page.child.set_padding(vpad, vpad, hpad, hpad)
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page.child.child.modify_bg(gtk.STATE_NORMAL, color)
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page.modify_bg(gtk.STATE_NORMAL, color)
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page.modify_bg(gtk.STATE_PRELIGHT, color)
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def _align(box_class, widget):
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widget.show()
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alignment = gtk.Alignment(0.0, 0.0, 1.0, 1.0)
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alignment.add(widget)
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alignment.show()
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box = box_class()
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box.modify_bg(gtk.STATE_ACTIVE, style.COLOR_BUTTON_GREY.get_gdk_color())
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box.add(alignment)
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box.show()
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return box
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def _paint_arrow(widget, event, type):
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alloc = widget.allocation
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x = alloc.x + alloc.width / 2 - style.TOOLBAR_ARROW_SIZE / 2
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y = alloc.y + alloc.height - int(style.TOOLBAR_ARROW_SIZE * .85)
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widget.get_style().paint_arrow(event.window,
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gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, widget,
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None, type, True,
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x, y, style.TOOLBAR_ARROW_SIZE, style.TOOLBAR_ARROW_SIZE)
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