107 lines
2.4 KiB
Lua
107 lines
2.4 KiB
Lua
-- @docclass
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g_tooltip = {}
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-- private variables
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local toolTipLabel
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local currentHoveredWidget
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-- private functions
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local function moveToolTip(first)
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if not first and (not toolTipLabel:isVisible() or toolTipLabel:getOpacity() < 0.1) then return end
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local pos = g_window.getMousePosition()
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pos.y = pos.y + 1
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local xdif = g_window.getSize().width - (pos.x + toolTipLabel:getWidth())
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if xdif < 10 then
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pos.x = pos.x - toolTipLabel:getWidth() - 3
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else
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pos.x = pos.x + 10
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end
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toolTipLabel:setPosition(pos)
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end
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local function onWidgetHoverChange(widget, hovered)
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if hovered then
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if widget.tooltip and not g_mouse.isPressed() then
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g_tooltip.display(widget.tooltip)
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currentHoveredWidget = widget
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end
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else
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if widget == currentHoveredWidget then
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g_tooltip.hide()
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currentHoveredWidget = nil
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end
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end
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end
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local function onWidgetStyleApply(widget, styleName, styleNode)
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if styleNode.tooltip then
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widget.tooltip = styleNode.tooltip
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end
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end
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-- public functions
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function g_tooltip.init()
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connect(UIWidget, { onStyleApply = onWidgetStyleApply,
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onHoverChange = onWidgetHoverChange})
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addEvent(function()
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toolTipLabel = g_ui.createWidget('UILabel', rootWidget)
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toolTipLabel:setId('toolTip')
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toolTipLabel:setBackgroundColor('#111111cc')
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toolTipLabel:setTextAlign(AlignCenter)
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toolTipLabel:hide()
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toolTipLabel.onMouseMove = function() moveToolTip() end
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end)
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end
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function g_tooltip.terminate()
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disconnect(UIWidget, { onStyleApply = onWidgetStyleApply,
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onHoverChange = onWidgetHoverChange })
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currentHoveredWidget = nil
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toolTipLabel:destroy()
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toolTipLabel = nil
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g_tooltip = nil
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end
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function g_tooltip.display(text)
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if text == nil then return end
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if not toolTipLabel then return end
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toolTipLabel:setText(text)
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toolTipLabel:resizeToText()
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toolTipLabel:resize(toolTipLabel:getWidth() + 4, toolTipLabel:getHeight() + 4)
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toolTipLabel:show()
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toolTipLabel:raise()
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toolTipLabel:enable()
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g_effects.fadeIn(toolTipLabel, 100)
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moveToolTip(true)
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end
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function g_tooltip.hide()
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g_effects.fadeOut(toolTipLabel, 100)
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end
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-- @docclass UIWidget @{
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-- UIWidget extensions
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function UIWidget:setTooltip(text)
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self.tooltip = text
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end
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function UIWidget:removeTooltip()
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self.tooltip = nil
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end
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function UIWidget:getTooltip()
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return self.tooltip
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end
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-- @}
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g_tooltip.init()
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connect(g_app, { onTerminate = g_tooltip.terminate })
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