98 lines
3.1 KiB
Python
98 lines
3.1 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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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 time
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from sugar.graphics.icon import Icon
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from sugar.graphics.palette import *
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class ToolButton(gtk.ToolButton):
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_POPUP_PALETTE_DELAY = 100
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def __init__(self, icon_name=None):
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gtk.ToolButton.__init__(self)
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self._palette = None
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self.set_icon(icon_name)
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self.child.connect('enter-notify-event',self._enter_notify_event_cb)
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self.child.connect('leave-notify-event',self._leave_notify_event_cb)
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self._enter_tag = None
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self._leave_tag = None
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def set_icon(self, icon_name):
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icon = Icon(icon_name)
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self.set_icon_widget(icon)
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icon.show()
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def set_palette(self, palette):
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self._palette = palette
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self._palette.props.invoker = WidgetInvoker(self)
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def set_tooltip(self, text):
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if self._palette:
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self._palette.destroy()
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self._palette = Palette(is_tooltip=True)
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self._palette.set_primary_state(text)
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self._palette.props.invoker = WidgetInvoker(self)
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def _enter_notify_event_cb(self, widget, event):
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gtk.gdk.pointer_ungrab()
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if self._leave_tag:
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gobject.source_remove(self._leave_tag)
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self._leave_tag = None
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self._enter_tag = gobject.timeout_add(self._POPUP_PALETTE_DELAY, \
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self._show_palette)
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def _leave_notify_event_cb(self, widget, event):
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if self._enter_tag:
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gobject.source_remove(self._enter_tag)
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self._enter_tag = None
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self._leave_tag = gobject.timeout_add(self._POPUP_PALETTE_DELAY,\
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self._hide_palette)
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def _show_palette(self):
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self._palette.popup()
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return False
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def _hide_palette(self):
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# Just hide the palette if the mouse pointer is
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# out of the toolbutton and the palette
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if self._is_mouse_out(self._palette):
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self._palette.popdown()
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else:
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gtk.gdk.pointer_ungrab()
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return False
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def _pointer_grab(self):
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gtk.gdk.pointer_grab(self.window, owner_events=True,\
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event_mask=gtk.gdk.PROPERTY_CHANGE_MASK )
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def _is_mouse_out(self, widget):
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mouse_x, mouse_y = widget.get_pointer()
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event_rect = gdk.Rectangle(mouse_x, mouse_y, 1, 1)
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if (widget.allocation.intersect(event_rect).width==0):
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return True
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else:
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return False
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