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keyboard support for Qt GUI

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This commit is contained in:
Jeff Wang 2019-11-14 03:32:07 -05:00
parent f70510e46a
commit 9402bd512f
2 changed files with 56 additions and 7 deletions
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47
qt_gui/main.qml
View File

@ -25,6 +25,52 @@ ApplicationWindow
onClicked: Qt.quit()
anchors.fill: parent
}
//handle key presses from physical keyboard
focus: true //handle keypresses here
//numbers
Keys.onDigit0Pressed: _calculator.buttonClicked("4,0")
Keys.onDigit1Pressed: _calculator.buttonClicked("3,0")
Keys.onDigit2Pressed: _calculator.buttonClicked("3,1")
Keys.onDigit3Pressed: _calculator.buttonClicked("3,2")
Keys.onDigit4Pressed: _calculator.buttonClicked("2,0")
Keys.onDigit5Pressed: _calculator.buttonClicked("2,1")
Keys.onDigit6Pressed: _calculator.buttonClicked("2,2")
Keys.onDigit7Pressed: _calculator.buttonClicked("1,0")
Keys.onDigit8Pressed: _calculator.buttonClicked("1,1")
Keys.onDigit9Pressed: _calculator.buttonClicked("1,2")
//swap
Keys.onRightPressed: _calculator.buttonClicked("0,1")
//enter
Keys.onEnterPressed: _calculator.buttonClicked("4,2")
Keys.onReturnPressed: _calculator.buttonClicked("4,2")
Keys.onSpacePressed: _calculator.buttonClicked("4,2")
Keys.onPressed: {
if ((event.key == Qt.Key_Q) && (event.modifiers == Qt.ControlModifier))
Qt.quit()
else if ((event.key == Qt.Key_S))
_calculator.buttonClicked("0,0")
else if ((event.key == Qt.Key_Backspace))
_calculator.buttonClicked("0,3")
else if ((event.key == Qt.Key_Slash))
_calculator.buttonClicked("1,3")
else if ((event.key == Qt.Key_division))
_calculator.buttonClicked("1,3")
else if ((event.key == Qt.Key_Asterisk))
_calculator.buttonClicked("2,3")
else if ((event.key == Qt.Key_Minus))
_calculator.buttonClicked("3,3")
else if ((event.key == Qt.Key_Plus))
_calculator.buttonClicked("4,3")
else if ((event.key == Qt.Key_N)) //negate
_calculator.buttonClicked("0,2")
else if ((event.key == Qt.Key_Equal)) //enter
_calculator.buttonClicked("4,2")
else if ((event.key == Qt.Key_Period)) // "."
_calculator.buttonClicked("4,1")
else if ((event.key == Qt.Key_E)) // also "."
_calculator.buttonClicked("4,1")
}
}
//LCD
@ -74,6 +120,7 @@ ApplicationWindow
anchors.centerIn: parent
}
MouseArea {
//get row/column
onClicked: _calculator.buttonClicked(parent.parent.objectName + "," + index)
anchors.fill: parent
}

2
src/lcd_emulator.c
View File

@ -88,6 +88,8 @@ static int is_valid_character(char letter){
return 1;
} else if(letter == '^'){
return 1;
} else if(letter == 'E' || letter == 'r' || letter == 'o'){
return 1;
}
return 0;