Eduardo Bart
12 years ago
parent
f97104f12e
commit
add8505a5b
@ -1,134 +0,0 @@
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Hotkeys = {}
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-- private functions
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local function translateKeyCombo(keyCombo)
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if not keyCombo or #keyCombo == 0 then return nil end
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table.sort(keyCombo)
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local keyComboDesc = ''
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for k,v in pairs(keyCombo) do
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local keyDesc = KeyCodeDescs[v]
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if keyDesc == nil then return nil end
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keyComboDesc = keyComboDesc .. '+' .. keyDesc
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end
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keyComboDesc = keyComboDesc:sub(2)
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return keyComboDesc
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end
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local function retranslateKeyComboDesc(keyComboDesc)
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if keyComboDesc == nil then return nil end
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local keyCombo = {}
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for i,currentKeyDesc in ipairs(keyComboDesc:split('+')) do
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for keyCode, keyDesc in pairs(KeyCodeDescs) do
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if keyDesc:lower() == currentKeyDesc:trim():lower() then
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table.insert(keyCombo, keyCode)
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end
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end
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end
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return translateKeyCombo(keyCombo)
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end
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local function determineKeyComboDesc(keyCode, keyboardModifiers)
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local keyCombo = {}
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if keyCode == KeyCtrl or keyCode == KeyShift or keyCode == KeyAlt then
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table.insert(keyCombo, keyCode)
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elseif KeyCodeDescs[keyCode] ~= nil then
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if keyboardModifiers == KeyboardCtrlModifier then
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table.insert(keyCombo, KeyCtrl)
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elseif keyboardModifiers == KeyboardAltModifier then
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table.insert(keyCombo, KeyAlt)
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elseif keyboardModifiers == KeyboardCtrlAltModifier then
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table.insert(keyCombo, KeyCtrl)
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table.insert(keyCombo, KeyAlt)
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elseif keyboardModifiers == KeyboardShiftModifier then
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table.insert(keyCombo, KeyShift)
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elseif keyboardModifiers == KeyboardCtrlShiftModifier then
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table.insert(keyCombo, KeyCtrl)
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table.insert(keyCombo, KeyShift)
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elseif keyboardModifiers == KeyboardAltShiftModifier then
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table.insert(keyCombo, KeyAlt)
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table.insert(keyCombo, KeyShift)
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elseif keyboardModifiers == KeyboardCtrlAltShiftModifier then
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table.insert(keyCombo, KeyCtrl)
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table.insert(keyCombo, KeyAlt)
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table.insert(keyCombo, KeyShift)
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end
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table.insert(keyCombo, keyCode)
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end
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table.sort(keyCombo)
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return translateKeyCombo(keyCombo)
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end
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local function onWidgetKeyDown(widget, keyCode, keyboardModifiers)
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if keyCode == KeyUnknown then return end
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local keyComboDesc = determineKeyComboDesc(keyCode, keyboardModifiers)
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local callback = widget.boundKeyDownCombos[keyComboDesc]
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if callback then
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callback()
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return true
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end
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return false
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end
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local function onWidgetKeyPress(widget, keyCode, keyboardModifiers, wouldFilter)
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local keyComboDesc = determineKeyComboDesc(keyCode, keyboardModifiers)
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if keyCode == KeyUnknown then return end
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local callback = widget.boundKeyPressCombos[keyComboDesc]
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if callback then
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callback()
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return true
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end
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return false
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end
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local function connectKeyDownEvent(widget)
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if widget.boundKeyDownCombos then return end
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connect(widget, { onKeyDown = onWidgetKeyDown })
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widget.boundKeyDownCombos = {}
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end
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local function connectKeyPressEvent(widget)
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if widget.boundKeyPressCombos then return end
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connect(widget, { onKeyPress = onWidgetKeyPress })
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widget.boundKeyPressCombos = {}
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end
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-- public functions
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function Hotkeys.bindKeyDown(keyComboDesc, callback, widget)
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widget = widget or rootWidget
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connectKeyDownEvent(widget)
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local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
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if keyComboDesc then
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widget.boundKeyDownCombos[keyComboDesc] = callback
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else
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error('key combo \'' .. keyComboDesc .. '\' is failed')
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end
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end
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function Hotkeys.bindKeyPress(keyComboDesc, callback, widget)
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widget = widget or rootWidget
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connectKeyPressEvent(widget)
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local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
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if keyComboDesc then
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widget.boundKeyPressCombos[keyComboDesc] = callback
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else
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error('key combo \'' .. keyComboDesc .. '\' is failed')
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end
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end
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function Hotkeys.unbindKeyDown(keyComboDesc, widget)
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widget = widget or rootWidget
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if widget.boundKeyDownCombos == nil then return end
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local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
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if keyComboDesc then
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widget.boundKeyDownCombos[keyComboDesc] = nil
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end
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end
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function Hotkeys.unbindKeyPress(keyComboDesc, widget)
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widget = widget or rootWidget
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if widget.boundKeyPressCombos == nil then return end
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local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
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if keyComboDesc then
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widget.boundKeyPressCombos[keyComboDesc] = nil
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end
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end
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