sugar-toolkit-gtk3/src/sugar/graphics/toolbarbox.py
2009-07-31 10:55:58 +00:00

393 lines
13 KiB
Python

# Copyright (C) 2009, Aleksey Lim
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gtk
import gobject
import logging
from gobject import SIGNAL_RUN_FIRST, TYPE_NONE
from sugar.graphics import style
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.palette import MouseSpeedDetector, Invoker
from sugar.graphics.animator import Animator, Animation
from sugar.graphics import palettegroup
class ToolbarButton(ToolButton):
def __init__(self, **kwargs):
self.page_widget = None
ToolButton.__init__(self, **kwargs)
if self.palette is None:
self.palette = _Palette(self)
self.connect('clicked',
lambda widget: self.set_expanded(not self.is_expanded()))
def get_toolbar_box(self):
if not hasattr(self.parent, 'owner'):
return None
return self.parent.owner
toolbar_box = property(get_toolbar_box)
def get_page(self):
if self.page_widget is None:
return None
return self.page_widget.child.child
def set_page(self, page):
self.page_widget = _embody_page(_Box, page)
self.page_widget.toolbar_button = self
page.show()
page = gobject.property(type=object, getter=get_page, setter=set_page)
def is_expanded(self):
return self.toolbar_box is not None and self.page_widget is not None \
and self.toolbar_box.expanded_button == self
def popdown(self):
if isinstance(self.palette, _Palette) and self.palette.is_up():
self.palette.popdown(immediate=True)
def set_expanded(self, expanded):
self.popdown()
box = self.toolbar_box
if box is None or self.page_widget is None or \
self.is_expanded() == expanded:
return
if not expanded:
box.remove(self.page_widget)
box.expanded_button = None
return
if box.expanded_button is not None:
expanded_toolitem = box.expanded_button.page_widget.toolbar_button
if expanded_toolitem.window is not None:
expanded_toolitem.window.invalidate_rect(None, True)
box.expanded_button.set_expanded(False)
if self.page_widget.parent is not None:
self.palette.remove(self.page_widget)
self.modify_bg(gtk.STATE_NORMAL, box.background)
_setup_page(self.page_widget, box.background, box.props.padding)
box.pack_start(self.page_widget)
box.expanded_button = self
def do_expose_event(self, event):
if not self.is_expanded() or self.palette is not None and \
self.palette.is_up():
ToolButton.do_expose_event(self, event)
_paint_arrow(self, event, gtk.ARROW_DOWN)
return
alloc = self.allocation
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_IN, event.area, self,
'palette-invoker', alloc.x, 0,
alloc.width, alloc.height + style._FOCUS_LINE_WIDTH)
if self.child.state != gtk.STATE_PRELIGHT:
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, self, None,
alloc.x + style._FOCUS_LINE_WIDTH, style._FOCUS_LINE_WIDTH,
alloc.width - style._FOCUS_LINE_WIDTH*2, alloc.height)
gtk.ToolButton.do_expose_event(self, event)
_paint_arrow(self, event, gtk.ARROW_UP)
class ToolbarBox(gtk.VBox):
def __init__(self, padding=style.TOOLBOX_HORIZONTAL_PADDING):
gtk.VBox.__init__(self)
self.expanded_button = None
self._toolbar = gtk.Toolbar()
self._toolbar.owner = self
self._toolbar.connect('remove', self.__remove_cb)
top_widget = _embody_page(gtk.EventBox, self._toolbar)
self.pack_start(top_widget)
self.props.padding = padding
self.modify_bg(gtk.STATE_NORMAL,
style.COLOR_TOOLBAR_GREY.get_gdk_color())
def __remove_cb(self, sender, button):
if not isinstance(button, ToolbarButton):
return
button.popdown()
if self.expanded_button == button:
self.remove(button.page_widget)
self.expanded_button = None
toolbar = property(lambda self: self._toolbar)
def get_padding(self):
return self.toolbar.parent.props.left_padding
def set_padding(self, pad):
self.toolbar.parent.set_padding(0, 0, pad, pad)
padding = gobject.property(type=object,
getter=get_padding, setter=set_padding)
def modify_bg(self, state, color):
if state == gtk.STATE_NORMAL:
self.background = color
self.toolbar.parent.parent.modify_bg(state, color)
self.toolbar.modify_bg(state, color)
class _Box(gtk.EventBox):
def __init__(self):
gtk.EventBox.__init__(self)
self.connect('expose-event', self.do_expose_event)
self.set_app_paintable(True)
def do_expose_event(self, widget, event):
alloc = self.toolbar_button.allocation
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_IN, event.area, self,
'palette-invoker', -style._FOCUS_LINE_WIDTH, 0,
self.allocation.width + style._FOCUS_LINE_WIDTH*2,
self.allocation.height + style._FOCUS_LINE_WIDTH)
self.get_style().paint_box(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, self, None,
alloc.x + style._FOCUS_LINE_WIDTH, 0,
alloc.width - style._FOCUS_LINE_WIDTH*2,
style._FOCUS_LINE_WIDTH)
class _Palette(gtk.Window):
def __init__(self, toolitem, **kwargs):
gobject.GObject.__init__(self, **kwargs)
self.set_decorated(False)
self.set_resizable(False)
self.set_border_width(0)
self._toolitem = toolitem
self._invoker = None
self._up = False
self._invoker_hids = []
self._focus = 0
self._popup_anim = Animator(.5, 10)
self._popup_anim.add(_PopupAnimation(self))
self._popdown_anim = Animator(0.6, 10)
self._popdown_anim.add(_PopdownAnimation(self))
accel_group = gtk.AccelGroup()
self.set_data('sugar-accel-group', accel_group)
self.add_accel_group(accel_group)
self.connect('show', self.__show_cb)
self.connect('hide', self.__hide_cb)
self.connect('realize', self.__realize_cb)
self.connect('enter-notify-event', self.__enter_notify_event_cb)
self.connect('leave-notify-event', self.__leave_notify_event_cb)
self._mouse_detector = MouseSpeedDetector(self, 200, 5)
self._mouse_detector.connect('motion-slow', self._mouse_slow_cb)
group = palettegroup.get_group('default')
group.connect('popdown', self.__group_popdown_cb)
def is_up(self):
return self._up
def get_rect(self):
win_x, win_y = self.window.get_origin()
rectangle = self.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 set_invoker(self, invoker):
for hid in self._invoker_hids[:]:
self._invoker.disconnect(hid)
self._invoker_hids.remove(hid)
self._invoker = invoker
if invoker is not None:
self._invoker_hids.append(self._invoker.connect(
'mouse-enter', self.__invoker_mouse_enter_cb))
self._invoker_hids.append(self._invoker.connect(
'mouse-leave', self.__invoker_mouse_leave_cb))
self._invoker_hids.append(self._invoker.connect(
'right-click', self.__invoker_right_click_cb))
def get_invoker(self):
return self._invoker
invoker = gobject.property(type=object,
getter=get_invoker,
setter=set_invoker)
def do_size_request(self, requisition):
gtk.Window.do_size_request(self, requisition)
if self._toolitem.toolbar_box is not None:
requisition.width = self._toolitem.toolbar_box.allocation.width
def __realize_cb(self, widget):
self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
#accept_focus = len(self._content.get_children())
#if self.window:
# self.window.set_accept_focus(accept_focus)
def popup(self, immediate=False):
self._popdown_anim.stop()
toolbar = self._toolitem.toolbar_box
page = self._toolitem.page_widget
if not self._invoker or self._toolitem.is_expanded() or not toolbar:
return
_setup_page(page, style.COLOR_BLACK.get_gdk_color(),
toolbar.props.padding)
if self.child is None:
self.add(page)
x, y = toolbar.window.get_origin()
self.move(x + toolbar.allocation.x,
y + toolbar.toolbar.allocation.height)
self.set_transient_for(self._invoker.get_toplevel())
if not immediate:
self._popup_anim.start()
else:
self.show()
def popdown(self, immediate=False):
self._popup_anim.stop()
self._mouse_detector.stop()
if not immediate:
self._popdown_anim.start()
else:
self.hide()
def _mouse_slow_cb(self, widget):
self._mouse_detector.stop()
if self.is_up():
self._popdown_anim.stop()
return
self.popup(immediate=False)
def _handle_focus(self, delta):
self._focus += delta
if self._focus not in (0, 1):
logging.error('_Palette._focus=%s not in (0, 1)' % self._focus)
if self._focus == 0:
group = palettegroup.get_group('default')
if not group.is_up():
self.popdown()
def __group_popdown_cb(self, group):
if self._focus == 0:
self.popdown(immediate=True)
def __invoker_mouse_enter_cb(self, invoker):
self._mouse_detector.start()
self._handle_focus(+1)
def __invoker_mouse_leave_cb(self, invoker):
self._mouse_detector.stop()
self._handle_focus(-1)
def __invoker_right_click_cb(self, invoker):
self.popup(immediate=True)
def __enter_notify_event_cb(self, widget, event):
if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
event.mode == gtk.gdk.CROSSING_NORMAL:
self._popdown_anim.stop()
self._handle_focus(+1)
def __leave_notify_event_cb(self, widget, event):
if event.detail != gtk.gdk.NOTIFY_INFERIOR and \
event.mode == gtk.gdk.CROSSING_NORMAL:
self._handle_focus(-1)
def __show_cb(self, widget):
self._invoker.notify_popup()
self._up = True
def __hide_cb(self, widget):
if self._invoker:
self._invoker.notify_popdown()
self._up = False
class _PopupAnimation(Animation):
def __init__(self, palette):
Animation.__init__(self, 0.0, 1.0)
self._palette = palette
def next_frame(self, current):
if current == 1.0:
self._palette.show()
class _PopdownAnimation(Animation):
def __init__(self, palette):
Animation.__init__(self, 0.0, 1.0)
self._palette = palette
def next_frame(self, current):
if current == 1.0:
self._palette.hide()
def _setup_page(page, color, hpad):
vpad = style._FOCUS_LINE_WIDTH
page.child.set_padding(vpad, vpad, hpad, hpad)
page.child.child.modify_bg(gtk.STATE_NORMAL, color)
page.modify_bg(gtk.STATE_NORMAL, color)
page.modify_bg(gtk.STATE_PRELIGHT, color)
def _embody_page(box_class, widget):
widget.show()
alignment = gtk.Alignment(0.0, 0.0, 1.0, 1.0)
alignment.add(widget)
alignment.show()
box = box_class()
box.modify_bg(gtk.STATE_ACTIVE, style.COLOR_BUTTON_GREY.get_gdk_color())
box.add(alignment)
box.show()
return box
def _paint_arrow(widget, event, type):
alloc = widget.allocation
x = alloc.x + alloc.width / 2 - style.TOOLBAR_ARROW_SIZE / 2
y = alloc.y + alloc.height - int(style.TOOLBAR_ARROW_SIZE * .85)
widget.get_style().paint_arrow(event.window,
gtk.STATE_NORMAL, gtk.SHADOW_NONE, event.area, widget,
None, type, True,
x, y, style.TOOLBAR_ARROW_SIZE, style.TOOLBAR_ARROW_SIZE)