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