feat(theme): implement UTF-8 checkbox and radiobox (#514)

Co-authored-by: Pier CeccoPierangioliEugenio <ceccopierangiolieugenio@users.noreply.github.com>

libs/pyTermTk/TermTk/TTkTheme/draw_ascii.py

@@ -82,8 +82,8 @@ class TTkTheme():
        'X',' ','X',
        'X','X','X'))
 
-    combobox = {'( )','(x)'}
-    checkbox = {'[ ]','[x]','[/]'}
+    radiobox = (' ','X')
+    checkbox = (' ','X','/')
 
     hscroll = ('<','-','X','>')
     vscroll = ('^','|','X','v')

libs/pyTermTk/TermTk/TTkTheme/draw_utf8.py

@@ -138,8 +138,8 @@ class TTkTheme():
         └─┘    ╘═╛    ╚═╝    └─┘
     '''
 
-    combobox = {'◯','◉'}
-    checkbox = {'□','▣','◪'}
+    radiobox = ('◯','◉')
+    checkbox = ('□','▣','◪')
 
     hscroll = ('◀','┄','▓','▶')
     vscroll = ('▲','┊','▓','▼')

libs/pyTermTk/TermTk/TTkTheme/theme.py

@@ -44,6 +44,8 @@ class TTkTheme():
     box       = draw_utf8.TTkTheme.box
     grid      = draw_utf8.TTkTheme.grid
     buttonBox = draw_utf8.TTkTheme.buttonBox
+    radiobox  = draw_utf8.TTkTheme.radiobox
+    checkbox  = draw_utf8.TTkTheme.checkbox
     hscroll   = draw_utf8.TTkTheme.hscroll
     vscroll   = draw_utf8.TTkTheme.vscroll
     tree      = draw_utf8.TTkTheme.tree
@@ -79,6 +81,8 @@ class TTkTheme():
         TTkTheme.box       = theme['draw'].TTkTheme.box
         TTkTheme.grid      = theme['draw'].TTkTheme.grid
         TTkTheme.buttonBox = theme['draw'].TTkTheme.buttonBox
+        TTkTheme.radiobox  = theme['draw'].TTkTheme.radiobox
+        TTkTheme.checkbox  = theme['draw'].TTkTheme.checkbox
         TTkTheme.hscroll   = theme['draw'].TTkTheme.hscroll
         TTkTheme.vscroll   = theme['draw'].TTkTheme.vscroll
         TTkTheme.tree      = theme['draw'].TTkTheme.tree

libs/pyTermTk/TermTk/TTkWidgets/checkbox.py

@@ -210,9 +210,10 @@ class TTkCheckbox(TTkWidget):
         canvas.drawText(pos=(0,0), color=borderColor ,text="[ ]")
         canvas.drawText(pos=(3,0), color=textColor ,text=self._text)
         text = {
-            TTkK.Checked :   "X",
-            TTkK.Unchecked : " ",
-            TTkK.PartiallyChecked: "/"}.get(self._checkStatus, " ")
+            TTkK.Unchecked :       TTkCfg.theme.checkbox[0],  # ' ' or '□'
+            TTkK.Checked :         TTkCfg.theme.checkbox[1],  # 'X' or '▣'
+            TTkK.PartiallyChecked: TTkCfg.theme.checkbox[2]   # '/' or '◪'
+        }.get(self._checkStatus, TTkCfg.theme.checkbox[0])
         canvas.drawText(pos=(1,0), color=xColor ,text=text)
 
     def _pressEvent(self) -> bool:

libs/pyTermTk/TermTk/TTkWidgets/radiobutton.py

@@ -183,9 +183,9 @@ class TTkRadioButton(TTkWidget):
         canvas.drawText(pos=(0,0), color=borderColor ,text="( )")
         canvas.drawText(pos=(3,0), color=textColor ,text=self._text)
         if self._checked:
-            canvas.drawText(pos=(1,0), color=xColor ,text="X")
+            canvas.drawText(pos=(1,0), color=xColor ,text=TTkCfg.theme.radiobox[1])  # 'X' or '◉'
         else:
-            canvas.drawText(pos=(1,0), color=xColor ,text=" ")
+            canvas.drawText(pos=(1,0), color=xColor ,text=TTkCfg.theme.radiobox[0])  # ' ' or '◯'
 
     def _checkEvent(self):
         # Uncheck the radio already checked;