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102 lines
3.6 KiB
102 lines
3.6 KiB
# MIT License |
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# |
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# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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__all__ = ['TTkLabel'] |
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from TermTk.TTkCore.constant import TTkK |
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from TermTk.TTkCore.color import TTkColor |
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from TermTk.TTkCore.string import TTkString |
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from TermTk.TTkCore.signal import pyTTkSlot |
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from TermTk.TTkWidgets.widget import TTkWidget |
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class TTkLabel(TTkWidget): |
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'''TTkLabel''' |
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classStyle = { |
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'default': {'color': TTkColor.RST }, |
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'disabled': {'color': TTkColor.fg('#888888')}, |
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} |
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__slots__ = ('_text', '_alignment') |
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def __init__(self, *args, **kwargs): |
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text = kwargs.get('text', TTkString() ) |
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if issubclass(type(text), TTkString): |
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self._text = text.split('\n') |
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else: |
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self._text = TTkString(text).split('\n') |
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self._alignment = kwargs.get('alignment', TTkK.Alignment.NONE) |
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self.setDefaultSize(kwargs, max(t.termWidth() for t in self._text), len(self._text)) |
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super().__init__(*args, **kwargs) |
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self._textUpdated() |
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def alignment(self): |
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return self._alignment |
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@pyTTkSlot(TTkK.Alignment) |
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def setAlignment(self, alignment: TTkK.Alignment): |
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if self._alignment == alignment: |
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return |
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self._alignment = alignment |
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self.update() |
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def color(self): |
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'''color''' |
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return self.style()['default']['color'] |
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def setColor(self, color): |
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'''setColor''' |
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self.mergeStyle({'default':{'color':color}}) |
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def text(self): |
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'''text''' |
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return TTkString('\n').join(self._text) |
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@pyTTkSlot(str) |
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def setText(self, text): |
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'''setText''' |
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if self.text().sameAs(text): return |
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if issubclass(type(text), TTkString): |
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self._text = text.split('\n') |
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else: |
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self._text = TTkString(text).split('\n') |
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self._textUpdated() |
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def paintEvent(self, canvas): |
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style = self.currentStyle() |
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color = style['color'] |
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forceColor = color!=TTkColor.RST |
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w = self.width() |
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for y,text in enumerate(self._text): |
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canvas.drawText(pos=(0,y), text=' '*w, color=color, forceColor=forceColor) |
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canvas.drawText(pos=(0,y), text=text, width=w, alignment=self._alignment, color=color, forceColor=forceColor) |
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def _textUpdated(self): |
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w, h = self.size() |
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textWidth = max(t.termWidth() for t in self._text) |
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if w<textWidth or h<len(self._text): |
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self.resize(textWidth,len(self._text)) |
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self.setMinimumSize(textWidth, 1) |
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self.update() |
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