Added TextEdit test using Pygments highlighter

tests/test.ui.018.TextEdit.Pygments.py

@@ -0,0 +1,121 @@
+#!/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
+
+from pygments import highlight
+from pygments.lexers import PythonLexer
+from pygments.formatters import TerminalFormatter, Terminal256Formatter, TerminalTrueColorFormatter
+
+sys.path.append(os.path.join(sys.path[0],'../..'))
+import TermTk as ttk
+
+
+def demoTextEdit(root, filenames):
+    frame = ttk.TTkFrame(parent=root, border=False, layout=ttk.TTkGridLayout())
+
+    te = ttk.TTkTextEdit()
+
+    te.setReadOnly(False)
+
+    file = filenames[0]
+    with open(file, 'r') as f:
+        content = f.read()
+    # te.setText(highlight(content, PythonLexer(), TerminalFormatter()))
+    # te.setText(highlight(content, PythonLexer(), Terminal256Formatter()))
+    te.setText(highlight(content, PythonLexer(), TerminalTrueColorFormatter(style='material')))
+
+    # 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().addWidget(te,1,0,1,6)
+    frame.layout().addWidget(ttk.TTkLabel(text="Wrap: ", maxWidth=6),0,0)
+    frame.layout().addWidget(lineWrap := ttk.TTkComboBox(list=['NoWrap','WidgetWidth','FixedWidth']),0,1)
+    frame.layout().addWidget(ttk.TTkLabel(text=" Type: ",maxWidth=7),0,2)
+    frame.layout().addWidget(wordWrap := ttk.TTkComboBox(list=['WordWrap','WrapAnywhere'], enabled=False),0,3)
+    frame.layout().addWidget(ttk.TTkLabel(text=" FixW: ",maxWidth=7),0,4)
+    frame.layout().addWidget(fixWidth := ttk.TTkSpinBox(value=te.wrapWidth(), maximum=500, minimum=10, enabled=False),0,5)
+
+
+    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)
+            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', action='store_true')
+    parser.add_argument('filename', type=str, nargs='+',
+                    help='the filename/s')
+    args = parser.parse_args()
+
+    ttk.TTkLog.use_default_file_logging()
+
+    root = ttk.TTk()
+    if args.f:
+        rootTree = root
+        root.setLayout(ttk.TTkGridLayout())
+    else:
+        rootTree = ttk.TTkWindow(parent=root,pos = (0,0), size=(70,40), title="Test Text Edit", layout=ttk.TTkGridLayout(), border=True)
+    demoTextEdit(rootTree, args.filename)
+    root.mainloop()
+
+if __name__ == "__main__":
+    main()