332 lines
10 KiB
Python
332 lines
10 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 math
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from gi.repository import Gtk
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from gi.repository import GObject
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from sugar3.graphics import style
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from sugar3.graphics.palettewindow import PaletteWindow, ToolInvoker, \
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_PaletteWindowWidget
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from sugar3.graphics.toolbutton import ToolButton
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from sugar3.graphics import palettegroup
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class ToolbarButton(ToolButton):
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def __init__(self, page=None, **kwargs):
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ToolButton.__init__(self, **kwargs)
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self.page_widget = None
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self.set_page(page)
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self.connect('clicked',
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lambda widget: self.set_expanded(not self.is_expanded()))
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self.connect_after('draw', self.__drawing_cb)
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self.connect('hierarchy-changed', self.__hierarchy_changed_cb)
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def __hierarchy_changed_cb(self, tool_button, previous_toplevel):
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parent = self.get_parent()
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if hasattr(parent, 'owner'):
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if self.page_widget and previous_toplevel is None:
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self._unparent()
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parent.owner.pack_start(self.page_widget, True, True, 0)
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self.set_expanded(False)
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def get_toolbar_box(self):
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parent = self.get_parent()
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if not hasattr(parent, 'owner'):
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return None
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return parent.owner
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toolbar_box = property(get_toolbar_box)
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def get_page(self):
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if self.page_widget is None:
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return None
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return _get_embedded_page(self.page_widget)
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def set_page(self, page):
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if page is None:
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self.page_widget = None
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return
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self.page_widget, alignment_ = _embed_page(_Box(self), page)
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self.page_widget.set_size_request(-1, style.GRID_CELL_SIZE)
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page.show()
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if self.props.palette is None:
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self.props.palette = _ToolbarPalette(invoker=ToolInvoker(self))
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self._move_page_to_palette()
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page = GObject.property(type=object, getter=get_page, setter=set_page)
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def is_in_palette(self):
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return self.page is not None and \
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self.page_widget.get_parent() == self.props.palette._widget
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def is_expanded(self):
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return self.page is not None and \
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not self.is_in_palette()
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def popdown(self):
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if self.props.palette is not None:
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self.props.palette.popdown(immediate=True)
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def set_expanded(self, expanded):
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self.popdown()
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palettegroup.popdown_all()
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if self.page is None or self.is_expanded() == expanded:
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return
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if not expanded:
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self._move_page_to_palette()
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return
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box = self.toolbar_box
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if box.expanded_button is not None:
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box.expanded_button.queue_draw()
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box.expanded_button.set_expanded(False)
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box.expanded_button = self
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self._unparent()
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self.modify_bg(Gtk.StateType.NORMAL, box.background)
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_setup_page(self.page_widget, box.background, box.props.padding)
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box.pack_start(self.page_widget, True, True, 0)
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def _move_page_to_palette(self):
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if self.is_in_palette():
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return
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self._unparent()
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if isinstance(self.props.palette, _ToolbarPalette):
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self.props.palette._widget.add(self.page_widget)
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def _unparent(self):
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page_parent = self.page_widget.get_parent()
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if page_parent is None:
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return
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page_parent.remove(self.page_widget)
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def __drawing_cb(self, button, cr):
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alloc = self.get_allocation()
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context = self.get_style_context()
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context.add_class('toolitem')
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if not self.is_expanded() or self.props.palette is not None and \
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self.props.palette.is_up():
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ToolButton.do_draw(self, cr)
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_paint_arrow(self, cr, math.pi)
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return False
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Gtk.render_frame_gap(context, cr, 0, 0, alloc.width, alloc.height,
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Gtk.PositionType.BOTTOM, 0, alloc.width)
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_paint_arrow(self, cr, 0)
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return False
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class ToolbarBox(Gtk.VBox):
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def __init__(self, padding=style.TOOLBOX_HORIZONTAL_PADDING):
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GObject.GObject.__init__(self)
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self._expanded_button_index = -1
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self.background = None
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self._toolbar = Gtk.Toolbar()
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self._toolbar.owner = self
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self._toolbar.connect('remove', self.__remove_cb)
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self._toolbar_widget, self._toolbar_alignment = \
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_embed_page(Gtk.EventBox(), self._toolbar)
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self.pack_start(self._toolbar_widget, True, True, 0)
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self.props.padding = padding
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self.modify_bg(Gtk.StateType.NORMAL,
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style.COLOR_TOOLBAR_GREY.get_gdk_color())
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def get_toolbar(self):
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return self._toolbar
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toolbar = property(get_toolbar)
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def get_expanded_button(self):
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if self._expanded_button_index == -1:
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return None
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return self.toolbar.get_nth_item(self._expanded_button_index)
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def set_expanded_button(self, button):
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if button not in self.toolbar:
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self._expanded_button_index = -1
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return
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self._expanded_button_index = self.toolbar.get_item_index(button)
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expanded_button = property(get_expanded_button, set_expanded_button)
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def get_padding(self):
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return self._toolbar_alignment.props.left_padding
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def set_padding(self, pad):
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self._toolbar_alignment.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 modify_bg(self, state, color):
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if state == Gtk.StateType.NORMAL:
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self.background = color
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self._toolbar_widget.modify_bg(state, color)
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self.toolbar.modify_bg(state, color)
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def __remove_cb(self, sender, button):
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if not isinstance(button, ToolbarButton):
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return
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button.popdown()
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if button == self.expanded_button:
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self.remove(button.page_widget)
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self._expanded_button_index = -1
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class _ToolbarPalette(PaletteWindow):
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def __init__(self, **kwargs):
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PaletteWindow.__init__(self, **kwargs)
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self._has_focus = False
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group = palettegroup.get_group('default')
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group.connect('popdown', self.__group_popdown_cb)
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self.set_group_id('toolbarbox')
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self._widget = _PaletteWindowWidget()
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self._widget.set_border_width(0)
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self._setup_widget()
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self._widget.connect('realize', self._realize_cb)
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def get_expanded_button(self):
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return self.invoker.parent
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expanded_button = property(get_expanded_button)
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def on_invoker_enter(self):
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PaletteWindow.on_invoker_enter(self)
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self._set_focus(True)
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def on_invoker_leave(self):
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PaletteWindow.on_invoker_leave(self)
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self._set_focus(False)
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def on_enter(self):
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PaletteWindow.on_enter(self)
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self._set_focus(True)
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def on_leave(self):
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PaletteWindow.on_enter(self)
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self._set_focus(False)
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def _set_focus(self, new_focus):
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self._has_focus = new_focus
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if not self._has_focus:
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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 _realize_cb(self, widget):
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screen = self._widget.get_screen()
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width = screen.width()
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self._widget.set_size_request(width, -1)
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def popup(self, immediate=False):
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button = self.expanded_button
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if button.is_expanded():
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return
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box = button.toolbar_box
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_setup_page(button.page_widget, style.COLOR_BLACK.get_gdk_color(),
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box.props.padding)
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PaletteWindow.popup(self, immediate)
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def __group_popdown_cb(self, group):
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if not self._has_focus:
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self.popdown(immediate=True)
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class _Box(Gtk.EventBox):
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def __init__(self, toolbar_button):
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GObject.GObject.__init__(self)
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self._toolbar_button = toolbar_button
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def do_draw(self, cr):
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self.get_child().do_draw(self, cr)
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button_alloc = self._toolbar_button.get_allocation()
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cr.set_line_width(style.FOCUS_LINE_WIDTH * 2)
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cr.set_source_rgba(*style.COLOR_BUTTON_GREY.get_rgba())
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cr.move_to(0, 0)
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cr.line_to(button_alloc.x + style.FOCUS_LINE_WIDTH, 0)
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cr.move_to(
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button_alloc.x + button_alloc.width - style.FOCUS_LINE_WIDTH, 0)
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cr.line_to(self.get_allocation().width, 0)
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cr.stroke()
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def _setup_page(page_widget, color, hpad):
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page_widget.get_child().set_padding(0, 0, hpad, hpad)
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page = _get_embedded_page(page_widget)
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page.modify_bg(Gtk.StateType.NORMAL, color)
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if isinstance(page, Gtk.Container):
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for i in page.get_children():
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i.modify_bg(Gtk.StateType.INSENSITIVE, color)
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page_widget.modify_bg(Gtk.StateType.NORMAL, color)
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page_widget.modify_bg(Gtk.StateType.PRELIGHT, color)
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def _embed_page(page_widget, page):
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page.show()
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alignment = Gtk.Alignment(xscale=1.0, yscale=1.0)
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alignment.add(page)
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alignment.show()
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page_widget.modify_bg(Gtk.StateType.ACTIVE,
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style.COLOR_BUTTON_GREY.get_gdk_color())
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page_widget.add(alignment)
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page_widget.show()
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return (page_widget, alignment)
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def _get_embedded_page(page_widget):
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return page_widget.get_child().get_child()
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def _paint_arrow(widget, cr, angle):
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alloc = widget.get_allocation()
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arrow_size = style.TOOLBAR_ARROW_SIZE / 2
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y = alloc.height - arrow_size
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x = (alloc.width - arrow_size) / 2
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context = widget.get_style_context()
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context.add_class('toolitem')
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Gtk.render_arrow(context, cr, angle, x, y, arrow_size)
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