sugar-toolkit-gtk3/sugar/graphics/entry.py

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# Copyright (C) 2007, One Laptop Per Child
#
# 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 math
import logging
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import gobject
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import gtk
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import hippo
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from sugar.graphics import units
from sugar.graphics import color
from sugar.graphics import font
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from sugar.graphics.iconbutton import IconButton
from sugar.graphics.roundbox import RoundBox
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class Entry(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarEntry'
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__gproperties__ = {
'text' : (str, None, None, None,
gobject.PARAM_READWRITE)
}
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__gsignals__ = {
'button-activated': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([int]))
}
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def __init__(self, **kwargs):
self._entry = self.create_entry()
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self._entry.props.text = ''
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self._entry.props.has_frame = False
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self._entry.modify_text(gtk.STATE_SELECTED,
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color.BLACK.get_gdk_color())
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self._entry.connect('focus-in-event', self._entry_focus_in_event_cb)
self._entry.connect('focus-out-event', self._entry_focus_out_event_cb)
self._entry.connect('activate', self._entry_activate_cb)
self._entry.modify_font(font.DEFAULT.get_pango_desc())
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hippo.CanvasBox.__init__(self, **kwargs)
self.props.orientation = hippo.ORIENTATION_HORIZONTAL
self.props.yalign = hippo.ALIGNMENT_CENTER
self._buttons = {}
self._round_box = RoundBox()
self._round_box.props.border_color = color.FRAME_BORDER.get_int()
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self._round_box.props.padding = units.points_to_pixels(2)
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self.append(self._round_box, hippo.PACK_EXPAND)
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self._canvas_widget = hippo.CanvasWidget()
self._canvas_widget.props.widget = self._entry
self._round_box.append(self._canvas_widget, hippo.PACK_EXPAND)
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self._update_colors(focused=False)
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def create_entry(self):
"""
Subclasses can override this method in order to provide a different
entry widget.
"""
return gtk.Entry()
def add_button(self, icon_name, action_id):
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button = IconButton(icon_name=icon_name)
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button.props.scale = units.SMALL_ICON_SCALE
button.props.yalign = hippo.ALIGNMENT_CENTER
button.props.xalign = hippo.ALIGNMENT_START
button.connect('activated', self._button_activated_cb)
self._round_box.append(button)
self._buttons[button] = action_id
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def do_set_property(self, pspec, value):
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if pspec.name in [param.name for param in self._entry.props]:
self._entry.set_property(pspec.name, value)
else:
hippo.CanvasBox.set_property(self, pspec.name, value)
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def do_get_property(self, pspec):
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if pspec.name in [param.name for param in self._entry.props]:
return self._entry.get_property(pspec.name)
else:
return hippo.CanvasBox.get_property(self, pspec.name)
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def _entry_focus_in_event_cb(self, widget, event):
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self._update_colors(focused=True)
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self.emit_paint_needed(0, 0, -1, -1)
def _entry_focus_out_event_cb(self, widget, event):
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self._update_colors(focused=False)
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self.emit_paint_needed(0, 0, -1, -1)
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def _entry_activate_cb(self, entry):
self.emit_activated()
def _button_activated_cb(self, button):
self.emit('button-activated', self._buttons[button])
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def _update_colors(self, focused):
if focused:
self._round_box.props.background_color = \
color.ENTRY_BACKGROUND_FOCUSED.get_int()
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self._entry.modify_base(gtk.STATE_NORMAL,
color.ENTRY_BACKGROUND_FOCUSED.get_gdk_color())
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self._entry.modify_base(gtk.STATE_SELECTED,
color.ENTRY_SELECTION_FOCUSED.get_gdk_color())
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self._entry.modify_text(gtk.STATE_NORMAL,
color.ENTRY_TEXT_FOCUSED.get_gdk_color())
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else:
self._round_box.props.background_color = \
color.ENTRY_BACKGROUND_UNFOCUSED.get_int()
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self._entry.modify_base(gtk.STATE_NORMAL,
color.ENTRY_BACKGROUND_UNFOCUSED.get_gdk_color())
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self._entry.modify_base(gtk.STATE_SELECTED,
color.ENTRY_SELECTION_UNFOCUSED.get_gdk_color())
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self._entry.modify_text(gtk.STATE_NORMAL,
color.ENTRY_TEXT_UNFOCUSED.get_gdk_color())