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pyTermTk/demo/showcase/textedit.py

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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.
import os
import sys
import random
import argparse
sys.path.append(os.path.join(sys.path[0],'../..'))
import TermTk as ttk
sys.path.append(os.path.join(sys.path[0],'..'))
from showcase._showcasehelper import getUtfColoredSentence, zc1, zc2, zc3
class superSimpleHorizontalLine(ttk.TTkWidget):
def paintEvent(self, canvas):
w,h = self.size()
canvas.drawText(pos=(0,h-1), text='┕'+('━'*(w-2))+'┙',color=ttk.TTkColor.fg("#888888"))
def demoTextEditSecondary(root=None, document=None):
te = ttk.TTkTextEdit(parent=root, document=document, lineNumber=True)
te.setLineWrapMode(ttk.TTkK.WidgetWidth)
te.setWordWrapMode(ttk.TTkK.WordWrap)
te.setReadOnly(False)
# print the document events for debugging purposes
document.contentsChange.connect(lambda line,rem,add: ttk.TTkLog.debug(f"{line=} {rem=} {add=}"))
def demoTextEdit(root=None, document=None):
frame = ttk.TTkFrame(parent=root, border=False, layout=ttk.TTkGridLayout())
# If no document is passed a default one is created,
# In this showcase I want to be able to share the same
# document among 2 textEdit widgets
te = ttk.TTkTextEdit(document=document, lineNumber=True, lineNumberStarting=1)
te.setReadOnly(False)
te.setText(ttk.TTkString("Text Edit DEMO\n",ttk.TTkColor.UNDERLINE+ttk.TTkColor.BOLD+ttk.TTkColor.ITALIC))
# Load ANSI input
if os.path.exists(os.path.join(os.path.dirname(os.path.abspath(__file__)),'textedit.ANSI.txt')):
te.append(ttk.TTkString("ANSI Input Test\n",ttk.TTkColor.UNDERLINE+ttk.TTkColor.BOLD))
with open(os.path.join(os.path.dirname(os.path.abspath(__file__)),'textedit.ANSI.txt')) as f:
te.append(f.read())
# Test Variable sized chars
te.append(ttk.TTkString("Test Variable sized chars\n",ttk.TTkColor.UNDERLINE+ttk.TTkColor.BOLD))
te.append( "Emoticons: -😁😂😍😎----")
te.append( " --😐😁😂😍😎-")
te.append("")
te.append( " UTF-8: £ @ £ ¬ ` 漢 _ _ あ _ _")
te.append( " |.|.|.|.|.||.|.|.||.|.|.")
te.append("")
te.append( " - | | | | | -")
te.append(f"Zero Size: - o{zc1} o{zc2} o{zc3} o{zc1}{zc2} o{zc1}{zc2}{zc3} -")
te.append( " - | | | | | -")
te.append("")
te.append(f"Plus Tabs: -\t😁\t😍\to{zc1}{zc2}{zc3}\t😎\to{zc1}{zc2}{zc3}\t😂-")
te.append("")
# Test Tabs
te.append(ttk.TTkString("Tabs Test\n",ttk.TTkColor.UNDERLINE+ttk.TTkColor.BOLD))
te.append("Word\tAnother Word\tYet more words")
te.append("What a wonderful word\tOut of this word\tBattle of the words\tThe city of thousand words\tThe word is not enough\tJurassic word\n")
te.append("tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("-tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("--tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("---tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("----tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("-----tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("------tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab")
te.append("-------tab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\ttab\n")
te.append(ttk.TTkString("Random TTkString Input Test\n",ttk.TTkColor.UNDERLINE+ttk.TTkColor.BOLD))
te.append(ttk.TTkString('\n').join([ getUtfColoredSentence(3,10) for _ in range(50)]))
te.append(ttk.TTkString("-- The Very END --",ttk.TTkColor.UNDERLINE+ttk.TTkColor.BOLD))
# use the widget size to wrap
# te.setLineWrapMode(ttk.TTkK.WidgetWidth)
# te.setWordWrapMode(ttk.TTkK.WordWrap)
# Use a fixed wrap size
# te.setLineWrapMode(ttk.TTkK.FixedWidth)
# te.setWrapWidth(100)
frame.layout().addItem(wrapLayout := ttk.TTkGridLayout(), 0,0)
frame.layout().addItem(fontLayout := ttk.TTkGridLayout(columnMinWidth=1), 1,0)
frame.layout().addWidget(te,2,0)
wrapLayout.addWidget(ttk.TTkLabel(text="Wrap: ", maxWidth=6),0,0)
wrapLayout.addWidget(lineWrap := ttk.TTkComboBox(list=['NoWrap','WidgetWidth','FixedWidth'], maxWidth=20),0,1)
wrapLayout.addWidget(ttk.TTkLabel(text=" Type: ",maxWidth=7),0,2)
wrapLayout.addWidget(wordWrap := ttk.TTkComboBox(list=['WordWrap','WrapAnywhere'], maxWidth=20, enabled=False),0,3)
wrapLayout.addWidget(ttk.TTkLabel(text=" FixW: ",maxWidth=7),0,4)
wrapLayout.addWidget(fixWidth := ttk.TTkSpinBox(value=te.wrapWidth(), maxWidth=5, maximum=500, minimum=10, enabled=False),0,5)
wrapLayout.addWidget(ttk.TTkSpacer(),0,10)
# Empty columns/cells are 1 char wide due to "columnMinWidth=1" parameter in the GridLayout
# 1 3 8 11
# 0 2 4 5 6 7 9 10 12
# 0 [ ] FG [ ] BG [ ] LineNumber [ 0]Starting Number
# 1 ┌─────┐ ┌─────┐ ╒═══╕╒═══╕╒═══╕╒═══╕ ┌──────┐┌──────┐
# 2 │ │ │ │ │ a ││ a ││ a ││ a │ │ UNDO ││ REDO │
# 3 └─────┘ └─────┘ └───┘└───┘└───┘└───┘ ╘══════╛└──────┘ ┕━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┙
# Char Fg/Bg buttons
fontLayout.addWidget(cb_fg := ttk.TTkCheckbox(text=" FG"),0,0)
fontLayout.addWidget(btn_fgColor := ttk.TTkColorButtonPicker(border=True, enabled=False, maxSize=(7,3)),1,0)
fontLayout.addWidget(cb_bg := ttk.TTkCheckbox(text=" BG"),0,2)
fontLayout.addWidget(btn_bgColor := ttk.TTkColorButtonPicker(border=True, enabled=False, maxSize=(7 ,3)),1,2)
fontLayout.addWidget(cb_linenumber := ttk.TTkCheckbox(text=" LineNumber", checked=True),0,4,1,3)
fontLayout.addWidget(sb_linenumber := ttk.TTkSpinBox(value=1, maxWidth=5, maximum=10000, minimum=-10000, enabled=True),0,7,1,1)
# Char style buttons
fontLayout.addWidget(btn_bold := ttk.TTkButton(border=True, maxSize=(5,3), checkable=True, text=ttk.TTkString( 'a' , ttk.TTkColor.BOLD) ),1,4)
fontLayout.addWidget(btn_italic := ttk.TTkButton(border=True, maxSize=(5,3), checkable=True, text=ttk.TTkString( 'a' , ttk.TTkColor.ITALIC) ),1,5)
fontLayout.addWidget(btn_underline := ttk.TTkButton(border=True, maxSize=(5,3), checkable=True, text=ttk.TTkString(' a ', ttk.TTkColor.UNDERLINE) ),1,6)
fontLayout.addWidget(btn_strikethrough := ttk.TTkButton(border=True, maxSize=(5,3), checkable=True, text=ttk.TTkString(' a ', ttk.TTkColor.STRIKETROUGH)),1,7)
# Undo/Redo buttons
fontLayout.addWidget(btn_undo := ttk.TTkButton(border=True, maxSize=(8,3), enabled=te.isUndoAvailable(), text=' UNDO '),1,9 )
fontLayout.addWidget(btn_redo := ttk.TTkButton(border=True, maxSize=(8,3), enabled=te.isRedoAvailable(), text=' REDO '),1,10)
# Undo/Redo events
te.undoAvailable.connect(btn_undo.setEnabled)
te.redoAvailable.connect(btn_redo.setEnabled)
btn_undo.clicked.connect(te.undo)
btn_redo.clicked.connect(te.redo)
# Useless custom horizontal bar for aestetic reason
fontLayout.addWidget(superSimpleHorizontalLine(),0,12,2,1)
@ttk.pyTTkSlot(ttk.TTkColor)
def _currentColorChangedCB(format):
if fg := format.foreground():
cb_fg.setCheckState(ttk.TTkK.Checked)
btn_fgColor.setEnabled()
btn_fgColor.setColor(fg.invertFgBg())
else:
cb_fg.setCheckState(ttk.TTkK.Unchecked)
btn_fgColor.setDisabled()
if bg := format.background():
cb_bg.setCheckState(ttk.TTkK.Checked)
btn_bgColor.setEnabled()
btn_bgColor.setColor(bg)
else:
cb_bg.setCheckState(ttk.TTkK.Unchecked)
btn_bgColor.setDisabled()
btn_bold.setChecked(format.bold())
btn_italic.setChecked(format.italic())
btn_underline.setChecked(format.underline())
btn_strikethrough.setChecked(format.strikethrough())
# ttk.TTkLog.debug(f"{fg=} {bg=} {bold=} {italic=} {underline=} {strikethrough= }")
te.currentColorChanged.connect(_currentColorChangedCB)
def _setStyle():
color = ttk.TTkColor()
if cb_fg.checkState() == ttk.TTkK.Checked:
color += btn_fgColor.color().invertFgBg()
if cb_bg.checkState() == ttk.TTkK.Checked:
color += btn_bgColor.color()
if btn_bold.isChecked():
color += ttk.TTkColor.BOLD
if btn_italic.isChecked():
color += ttk.TTkColor.ITALIC
if btn_underline.isChecked():
color += ttk.TTkColor.UNDERLINE
if btn_strikethrough.isChecked():
color += ttk.TTkColor.STRIKETROUGH
cursor = te.textCursor()
cursor.applyColor(color)
cursor.setColor(color)
te.setFocus()
cb_fg.toggled.connect(btn_fgColor.setEnabled)
cb_bg.toggled.connect(btn_bgColor.setEnabled)
cb_fg.clicked.connect(_setStyle)
cb_bg.clicked.connect(_setStyle)
cb_linenumber.toggled.connect(te.setLineNumber)
cb_linenumber.toggled.connect(sb_linenumber.setEnabled)
sb_linenumber.valueChanged.connect(te.setLineNumberStarting)
btn_fgColor.colorSelected.connect(_setStyle)
btn_bgColor.colorSelected.connect(_setStyle)
btn_bold.clicked.connect(_setStyle)
btn_italic.clicked.connect(_setStyle)
btn_underline.clicked.connect(_setStyle)
btn_strikethrough.clicked.connect(_setStyle)
lineWrap.setCurrentIndex(0)
wordWrap.setCurrentIndex(1)
fixWidth.valueChanged.connect(te.setWrapWidth)
@ttk.pyTTkSlot(int)
def _lineWrapCallback(index):
if index == 0:
te.setLineWrapMode(ttk.TTkK.NoWrap)
wordWrap.setDisabled()
fixWidth.setDisabled()
elif index == 1:
te.setLineWrapMode(ttk.TTkK.WidgetWidth)
wordWrap.setEnabled()
fixWidth.setDisabled()
else:
te.setLineWrapMode(ttk.TTkK.FixedWidth)
te.setWrapWidth(fixWidth.value())
wordWrap.setEnabled()
fixWidth.setEnabled()
lineWrap.currentIndexChanged.connect(_lineWrapCallback)
@ttk.pyTTkSlot(int)
def _wordWrapCallback(index):
if index == 0:
te.setWordWrapMode(ttk.TTkK.WordWrap)
else:
te.setWordWrapMode(ttk.TTkK.WrapAnywhere)
wordWrap.currentIndexChanged.connect(_wordWrapCallback)
return frame
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-f', help='Full Screen (default)', action='store_true')
parser.add_argument('-w', help='Windowed', action='store_true')
args = parser.parse_args()
windowed = args.w
root = ttk.TTk(sigmask=(
ttk.TTkTerm.Sigmask.CTRL_Q |
ttk.TTkTerm.Sigmask.CTRL_S |
ttk.TTkTerm.Sigmask.CTRL_Z |
ttk.TTkTerm.Sigmask.CTRL_C ))
if windowed:
rootTree = ttk.TTkWindow(parent=root,pos = (0,0), size=(70,40), title="Test Text Edit", layout=ttk.TTkGridLayout(), border=True)
else:
rootTree = root
root.setLayout(ttk.TTkGridLayout())
split = ttk.TTkSplitter()
document = ttk.TTkTextDocument()
demoTextEdit(split, document)
demoTextEditSecondary(split, document)
rootTree.layout().addWidget(split,0,0,1,2)
rootTree.layout().addWidget(quitbtn := ttk.TTkButton(border=True, text="Quit", maxWidth=6),1,0)
rootTree.layout().addWidget(ttk.TTkKeyPressView(maxHeight=3),1,1)
quitbtn.clicked.connect(root.quit)
root.mainloop()
if __name__ == "__main__":
main()