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#!/usr/bin/env python3
# MIT License
#
# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from TermTk.TTkCore.cfg import TTkCfg
from TermTk.TTkCore.log import TTkLog
from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
from TermTk.TTkCore.color import TTkColor
from TermTk.TTkWidgets.widget import *
class TTkCheckbox(TTkWidget):
__slots__ = ('_checked', 'clicked', 'stateChanged')
def __init__(self, *args, **kwargs):
TTkWidget.__init__(self, *args, **kwargs)
self._name = kwargs.get('name' , 'TTkCheckbox' )
# Define Signals
self.stateChanged = pyTTkSignal(int)
self.clicked = pyTTkSignal(bool)
self._checked = kwargs.get('checked', False )
self.setMinimumSize(3, 1)
self.setMaximumHeight(1)
self.setFocusPolicy(TTkK.ClickFocus + TTkK.TabFocus)
def checkState(self):
if self._checked:
return TTkK.Checked
else:
return TTkK.Unchecked
def paintEvent(self):
if self.hasFocus():
borderColor = TTkCfg.theme.checkboxBorderColorFocus
color = TTkCfg.theme.checkboxContentColorFocus
else:
borderColor = TTkCfg.theme.checkboxBorderColor
color = TTkCfg.theme.checkboxContentColor
if self._checked:
self._canvas.drawText(pos=(0,0), color=borderColor ,text="[ ]")
self._canvas.drawText(pos=(1,0), color=color ,text="X")
else:
self._canvas.drawText(pos=(0,0), color=borderColor ,text="[ ]")
self._canvas.drawText(pos=(1,0), color=color ,text=" ")
def _pressEvent(self):
self._checked = not self._checked
self.clicked.emit(self._checked)
self.stateChanged.emit(self.checkState())
self.update()
return True
def mousePressEvent(self, evt):
self._pressEvent()
return True
def keyEvent(self, evt):
if ( evt.type == TTkK.Character and evt.key==" " ) or \
( evt.type == TTkK.SpecialKey and evt.key == TTkK.Key_Enter ):
self._pressEvent()
return True
return False