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text widget: expose special key combos

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airstruck
2016-01-27 16:02:44 -05:00
parent 346cbac946
commit 0c33538de9
1 changed files with 69 additions and 72 deletions
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141
luigi/widget/text.lua
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@@ -264,12 +264,77 @@ else
end
end
-- Special keys.
local function createDefaultKeyActions (self)
return {
['return'] = function ()
-- just a dummy function to trap event
end,
['backspace'] = function ()
if not deleteRange(self) then
deleteCharacterLeft(self)
end
end,
['delete'] = function ()
if not deleteRange(self) then
deleteCharacterRight(self)
end
end,
['left'] = function ()
if isOptionOrCtrlPressed() then
moveWordLeft(self, isShiftPressed())
elseif isCommandPressed() then
moveLineLeft(self, isShiftPressed())
else
moveCharLeft(self, isShiftPressed())
end
end,
['right'] = function ()
if isOptionOrCtrlPressed() then
moveWordRight(self, isShiftPressed())
elseif isCommandPressed() then
moveLineRight(self, isShiftPressed())
else
moveCharRight(self, isShiftPressed())
end
end,
['home'] = function ()
moveLineLeft(self, isShiftPressed())
end,
['end'] = function ()
moveLineRight(self, isShiftPressed())
end,
['x'] = function ()
if isCommandOrCtrlPressed() then
copyRangeToClipboard(self)
deleteRange(self)
end
end,
['c'] = function ()
if isCommandOrCtrlPressed() then
copyRangeToClipboard(self)
end
end,
['v'] = function ()
if isCommandOrCtrlPressed() then
pasteFromClipboard(self)
end
end,
['a'] = function ()
if isCommandOrCtrlPressed() then
selectRange(self, 0, #self.value)
end
end,
}
end
return function (self)
self.startIndex, self.endIndex = 0, 0
self.startX, self.endX = -1, -1
self.scrollX = 0
self.value = tostring(self.value or self.text or '')
self.text = ''
self.keyActions = createDefaultKeyActions(self)
--[[--
Special Attributes
@@ -311,79 +376,11 @@ This color is used to indicate the selected range of text.
end)
self:onKeyPress(function (event)
-- ignore tabs (keyboard navigation)
if event.key == 'tab' then
return
-- focus next widget on enter (keyboard navigation)
elseif event.key == 'return' then
self.layout:focusNextWidget()
-- if the next widget is a button, allow the event to propagate
-- so that the button is pressed (TODO: is this a good idea?)
return self.layout.focusedWidget.type ~= 'button' or nil
elseif event.key == 'backspace' then
if not deleteRange(self) then
deleteCharacterLeft(self)
end
elseif event.key == 'delete' then
if not deleteRange(self) then
deleteCharacterRight(self)
end
elseif event.key == 'left' then
if isOptionOrCtrlPressed() then
moveWordLeft(self, isShiftPressed())
elseif isCommandPressed() then
moveLineLeft(self, isShiftPressed())
else
moveCharLeft(self, isShiftPressed())
end
elseif event.key == 'right' then
if isOptionOrCtrlPressed() then
moveWordRight(self, isShiftPressed())
elseif isCommandPressed() then
moveLineRight(self, isShiftPressed())
else
moveCharRight(self, isShiftPressed())
end
elseif event.key == 'home' then
moveLineLeft(self, isShiftPressed())
elseif event.key == 'end' then
moveLineRight(self, isShiftPressed())
elseif event.key == 'x' and isCommandOrCtrlPressed() then
copyRangeToClipboard(self)
deleteRange(self)
elseif event.key == 'c' and isCommandOrCtrlPressed() then
copyRangeToClipboard(self)
elseif event.key == 'v' and isCommandOrCtrlPressed() then
pasteFromClipboard(self)
elseif event.key == 'a' and isCommandOrCtrlPressed() then
selectRange(self, 0, #self.value)
local act = self.keyActions[event.key]
if act then
act()
return false
end
return false
end)
self:onDisplay(function (event)