81 lines
1.9 KiB
Lua
81 lines
1.9 KiB
Lua
-- @docclass
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UIPopupMenu = extends(UIWidget)
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local currentMenu
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function UIPopupMenu.create()
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local menu = UIPopupMenu.internalCreate()
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local layout = UIVerticalLayout.create(menu)
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layout:setFitChildren(true)
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menu:setLayout(layout)
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return menu
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end
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function UIPopupMenu:display(pos)
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-- don't display if not options was added
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if self:getChildCount() == 0 then
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self:destroy()
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return
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end
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if currentMenu then
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currentMenu:destroy()
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end
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rootWidget:addChild(self)
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self:setPosition(pos)
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self:grabMouse()
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self:grabKeyboard()
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currentMenu = self
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end
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function UIPopupMenu:onGeometryChange()
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self:bindRectToParent()
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end
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function UIPopupMenu:addOption(optionName, optionCallback)
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local optionWidget = g_ui.createWidget(self:getStyleName() .. 'Button', self)
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local lastOptionWidget = self:getLastChild()
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optionWidget.onClick = function(self)
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optionCallback()
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self:getParent():destroy()
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end
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optionWidget:setText(optionName)
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local width = optionWidget:getTextSize().width + optionWidget:getMarginLeft() + optionWidget:getMarginRight() + 6
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self:setWidth(math.max(self:getWidth(), width))
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end
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function UIPopupMenu:addSeparator()
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g_ui.createWidget(self:getStyleName() .. 'Separator', self)
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end
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function UIPopupMenu:onDestroy()
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if currentMenu == self then
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currentMenu = nil
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end
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end
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function UIPopupMenu:onMousePress(mousePos, mouseButton)
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-- clicks outside menu area destroys the menu
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if not self:containsPoint(mousePos) then
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self:destroy()
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end
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return true
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end
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function UIPopupMenu:onKeyPress(keyCode, keyboardModifiers)
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if keyCode == KeyEscape then
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self:destroy()
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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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-- close all menus when the window is resized
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local function onRootGeometryUpdate()
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if currentMenu then
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currentMenu:destroy()
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end
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end
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connect(rootWidget, { onGeometryChange = onRootGeometryUpdate} )
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