tibia-client/modules/core_lib/hotkeys.lua

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Hotkeys = {}
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-- 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
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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
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local keyComboDesc = determineKeyComboDesc(keyCode, keyboardModifiers)
local callback = widget.boundKeyDownCombos[keyComboDesc]
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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
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connect(widget, { onKeyPress = onWidgetKeyPress })
widget.boundKeyPressCombos = {}
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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)
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widget = widget or rootWidget
connectKeyPressEvent(widget)
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local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
if keyComboDesc then
widget.boundKeyPressCombos[keyComboDesc] = callback
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else
error('key combo \'' .. keyComboDesc .. '\' is failed')
end
end
function Hotkeys.unbindKeyDown(keyComboDesc, widget)
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widget = widget or rootWidget
if widget.boundKeyDownCombos == nil then return end
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local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
if keyComboDesc then
widget.boundKeyDownCombos[keyComboDesc] = nil
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end
end
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function Hotkeys.unbindKeyPress(keyComboDesc, widget)
widget = widget or rootWidget
if widget.boundKeyPressCombos == nil then return end
local keyComboDesc = retranslateKeyComboDesc(keyComboDesc)
if keyComboDesc then
widget.boundKeyPressCombos[keyComboDesc] = nil
end
end