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Fix keyboard input recognition for special keys and cross-platform modifiers

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- Add explicit handling for backspace, delete, escape, and space keys
- Fix modifier key mappings to work correctly on Linux/Windows (Ctrl key was incorrectly mapped to 'cmd')
- Add platform detection for proper modifier key handling across macOS, Linux, and Windows

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Keith Smith
2026-01-28 17:31:45 -07:00
parent a830b6b27f
commit d94c383511
1 changed files with 26 additions and 8 deletions
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26
MSMD_multiLevel.py
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@@ -108,6 +108,14 @@ class GraphicsView(QGraphicsView):
textFromCode = 'enter'
elif code == 16777217:
textFromCode = 'tab'
elif code == 16777219:
textFromCode = 'backspace'
elif code == 16777223:
textFromCode = 'delete'
elif code == 16777216:
textFromCode = 'esc'
elif code == 32:
textFromCode = 'space'
else:
textFromCode = chr(code)
except :
@@ -130,9 +138,15 @@ class GraphicsView(QGraphicsView):
if(pressedModifiers & Qt.AltModifier):
modifierTextList.append('alt')
if(pressedModifiers & Qt.ControlModifier):
if sys.platform == 'darwin': # macOS
modifierTextList.append('cmd') # on the mac this is the command key
else: # Linux and Windows
modifierTextList.append('ctrl')
if(pressedModifiers & Qt.MetaModifier):
modifierTextList.append('ctrl')# on the mac this is the control key
if sys.platform == 'darwin': # macOS
modifierTextList.append('ctrl') # on the mac this is the control key
else: # Linux and Windows
modifierTextList.append('win')
return modifierTextList
@@ -629,11 +643,15 @@ class App(QWidget):
if(pressedModifiers & Qt.AltModifier):
modifierTextList.append('alt')
if(pressedModifiers & Qt.ControlModifier):
#modifierTextList.append('ctrl')
if sys.platform == 'darwin': # macOS
modifierTextList.append('cmd') # on the mac this is the command key
else: # Linux and Windows
modifierTextList.append('ctrl')
if(pressedModifiers & Qt.MetaModifier):
modifierTextList.append('ctrl')# on the mac this is the control key
#modifierTextList.append('win')
if sys.platform == 'darwin': # macOS
modifierTextList.append('ctrl') # on the mac this is the control key
else: # Linux and Windows
modifierTextList.append('win')
return set(modifierTextList) == set(self.currentInputModifiers)
def simplifyModifierList(self, modifierList):