roar/libtools/ToolText.py

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#!/usr/bin/env python3
#
# ToolText.py
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
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from Tool import Tool
import re, string, time, wx
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class ToolText(Tool):
name = "Text"
arabicCombiningRegEx = r'^[\u064B-\u065F\uFE70-\uFE72\uFE74\uFE76-\uFE7F]+$'
arabicRegEx = r'^[\u0621-\u063A\u0640-\u064A]+$'
rtlRegEx = r'^[\u0591-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC]+$'
# {{{ _checkRtl(self, canvas, brushPos, keyChar)
def _checkRtl(self, canvas, brushPos, keyChar):
rtlFlag = False
if (keyChar != None) and re.match(self.rtlRegEx, keyChar):
rtlFlag = True
else:
lastX, lastY = brushPos[0], brushPos[1]
while True:
if canvas.map[lastY][lastX][3] == " ":
if (lastX + 1) >= canvas.size[0]:
if lastY == 0:
break
else:
lastX, lastY = 0, lastY - 1
else:
lastX += 1
elif re.match(self.arabicRegEx, canvas.map[lastY][lastX][3]):
rtlFlag = True
if (lastX + 1) >= canvas.size[0]:
if lastY == 0:
break
else:
lastX, lastY = 0, lastY - 1
else:
lastX += 1
else:
break
return rtlFlag
# }}}
# {{{ _processKeyChar(self, brushColours, brushPos, canvas, dispatchFn, eventDc, keyChar, keyModifiers)
def _processKeyChar(self, brushColours, brushPos, canvas, dispatchFn, eventDc, keyChar, keyModifiers):
if (ord(keyChar) != wx.WXK_NONE) \
and (not keyChar in set("\t\n\v\f\r")) \
and ((ord(keyChar) >= 32) if ord(keyChar) < 127 else True) \
and (keyModifiers in (wx.MOD_NONE, wx.MOD_SHIFT)):
dispatchFn(eventDc, False, [*brushPos, *brushColours, 0, keyChar]);
if not self._checkRtl(canvas, brushPos, keyChar):
if brushPos[0] < (canvas.size[0] - 1):
brushPos[0] += 1
elif brushPos[1] < (canvas.size[1] - 1):
brushPos[0], brushPos[1] = 0, brushPos[1] + 1
else:
brushPos[0], brushPos[1] = 0, 0
else:
if brushPos[0] > 0:
brushPos[0] -= 1
elif brushPos[1] > 0:
brushPos[0], brushPos[1] = canvas.size[0] - 1, brushPos[1] - 1
else:
brushPos[0], brushPos[1] = canvas.size[0] - 1, canvas.size[1] - 1
rc, dirty = True, True
else:
rc, dirty = False, False
return rc, dirty
# }}}
#
# onKeyboardEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyChar, keyCode, keyModifiers, mapPoint)
def onKeyboardEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyChar, keyCode, keyModifiers, mapPoint):
if re.match(self.arabicCombiningRegEx, keyChar):
rc, dirty = True, False
elif keyCode == wx.WXK_CONTROL_V:
rc, dirty = True, False
if wx.TheClipboard.IsSupported(wx.DataFormat(wx.DF_TEXT)) \
and wx.TheClipboard.Open():
inBuffer = wx.TextDataObject()
if wx.TheClipboard.GetData(inBuffer):
for inBufferChar in list(inBuffer.GetText()):
if not re.match(self.arabicCombiningRegEx, inBufferChar):
rc_, dirty_ = self._processKeyChar(brushColours, brushPos, canvas, dispatchFn, eventDc, inBufferChar, 0)
rc = True if rc_ else rc; dirty = True if dirty_ else dirty;
if rc:
dispatchFn(eventDc, True, [*brushPos, *brushColours, 0, "_"])
wx.TheClipboard.Close()
else:
rc, error = False, "Clipboard does not contain text data and/or cannot be opened"
elif keyCode == wx.WXK_BACK:
if ((brushPos[0] + 1) >= canvas.size[0]):
if brushPos[1] > 0:
lastBrushPos = [0, brushPos[1] - 1]
else:
lastBrushPos = [0, 0]
else:
lastBrushPos = [brushPos[0] + 1, brushPos[1]]
if not self._checkRtl(canvas, lastBrushPos, None):
if brushPos[0] > 0:
brushPos[0] -= 1
elif brushPos[1] > 0:
brushPos[0], brushPos[1] = canvas.size[0] - 1, brushPos[1] - 1
else:
brushPos[0], brushPos[1] = canvas.size[0] - 1, canvas.size[1] - 1
else:
if brushPos[0] < (canvas.size[0] - 1):
brushPos[0] += 1
elif brushPos[1] > 0:
brushPos[0], brushPos[1] = 0, brushPos[1] - 1
else:
brushPos[0], brushPos[1] = canvas.size[0] - 1, 0
rc, dirty = True, False; dispatchFn(eventDc, False, [*brushPos, *brushColours, 0, " "]);
dispatchFn(eventDc, True, [*brushPos, *brushColours, 0, "_"]);
elif keyCode == wx.WXK_RETURN:
if brushPos[1] < (canvas.size[1] - 1):
brushPos[0], brushPos[1] = 0, brushPos[1] + 1
else:
brushPos[0], brushPos[1] = 0, 0
rc, dirty = True, False; dispatchFn(eventDc, True, [*brushPos, *brushColours, 0, "_"]);
else:
rc, dirty = self._processKeyChar(brushColours, brushPos, canvas, dispatchFn, eventDc, keyChar, keyModifiers)
if rc:
dispatchFn(eventDc, True, [*brushPos, *brushColours, 0, "_"])
return rc, dirty
#
# onMouseEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown)
def onMouseEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown):
if mouseLeftDown or mouseRightDown:
brushPos[0], brushPos[1] = atPoint[0], atPoint[1]
dispatchFn(eventDc, True, [*brushPos, *brushColours, 0, "_"])
return True, False
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120