kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
Added text alignment to the Label widget
rodzic
b9b93e2443
commit
b2956ea9a3
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@ -6,9 +6,13 @@
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from gui.core.nanogui import DObject
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from gui.core.writer import Writer
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ALIGN_LEFT = 0
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ALIGN_RIGHT = 1
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ALIGN_CENTER = 2
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# text: str display string int save width
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class Label(DObject):
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def __init__(self, writer, row, col, text, invert=False, fgcolor=None, bgcolor=None, bdcolor=False):
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def __init__(self, writer, row, col, text, invert=False, fgcolor=None, bgcolor=None, bdcolor=False, align=ALIGN_LEFT):
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# Determine width of object
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if isinstance(text, int):
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width = text
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@ -17,6 +21,7 @@ class Label(DObject):
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width = writer.stringlen(text)
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height = writer.height
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super().__init__(writer, row, col, height, width, fgcolor, bgcolor, bdcolor)
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self.align = align
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if text is not None:
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self.value(text, invert)
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@ -39,7 +44,17 @@ class Label(DObject):
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super().show() # Draw or erase border
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wri = self.writer
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dev = self.device
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Writer.set_textpos(dev, self.row, self.col)
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if self.align == ALIGN_LEFT:
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Writer.set_textpos(dev, self.row, self.col)
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else:
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txt_width = wri.stringlen(txt)
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if self.width <= txt_width:
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Writer.set_textpos(dev, self.row, self.col)
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else:
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if self.align == ALIGN_RIGHT:
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Writer.set_textpos(dev, self.row, self.col + self.width - txt_width)
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else:
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Writer.set_textpos(dev, self.row, self.col + self.width // 2 - txt_width // 2)
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wri.setcolor(self.fgcolor, self.bgcolor)
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wri.printstring(txt, self.invert)
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wri.setcolor() # Restore defaults
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