# 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.
__all__ = ['TTkLabel']
from TermTk.TTkCore.constant import TTkK
from TermTk.TTkCore.color import TTkColor
from TermTk.TTkCore.string import TTkString
from TermTk.TTkCore.signal import pyTTkSlot
from TermTk.TTkWidgets.widget import TTkWidget
[docs]class TTkLabel(TTkWidget):
'''TTkLabel'''
classStyle = {
'default': {'color': TTkColor.RST },
'disabled': {'color': TTkColor.fg('#888888')},
}
__slots__ = ('_text', '_alignment')
def __init__(self, *args, **kwargs):
text = kwargs.get('text', TTkString() )
if issubclass(type(text), TTkString):
self._text = text.split('\n')
else:
self._text = TTkString(text).split('\n')
self._alignment = kwargs.get('alignment', TTkK.Alignment.NONE)
self.setDefaultSize(kwargs, max(t.termWidth() for t in self._text), len(self._text))
super().__init__(*args, **kwargs)
self._textUpdated()
def alignment(self):
return self._alignment
@pyTTkSlot(TTkK.Alignment)
def setAlignment(self, alignment: TTkK.Alignment):
if self._alignment == alignment:
return
self._alignment = alignment
self.update()
[docs] def color(self):
'''color'''
return self.style()['default']['color']
[docs] def setColor(self, color):
'''setColor'''
self.mergeStyle({'default':{'color':color}})
[docs] def text(self):
'''text'''
return TTkString('\n').join(self._text)
[docs] @pyTTkSlot(str)
def setText(self, text):
'''setText'''
if self.text().sameAs(text): return
if issubclass(type(text), TTkString):
self._text = text.split('\n')
else:
self._text = TTkString(text).split('\n')
self._textUpdated()
[docs] def paintEvent(self, canvas):
style = self.currentStyle()
color = style['color']
forceColor = color!=TTkColor.RST
w = self.width()
for y,text in enumerate(self._text):
canvas.drawText(pos=(0,y), text=' '*w, color=color, forceColor=forceColor)
canvas.drawText(pos=(0,y), text=text, width=w, alignment=self._alignment, color=color, forceColor=forceColor)
def _textUpdated(self):
w, h = self.size()
textWidth = max(t.termWidth() for t in self._text)
if w<textWidth or h<len(self._text):
self.resize(textWidth,len(self._text))
self.setMinimumSize(textWidth, 1)
self.update()