98 lines
2.3 KiB
Lua
98 lines
2.3 KiB
Lua
local parent = term.current()
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local tabCount = 0
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local allTabs = {}
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local tabOrder = {}
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local currentTab = nil
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local function setTerm(new_term)
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parent = new_term
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end
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local function addTab(tab, order_idx)
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assert(tab.name, "tab needs a unique name")
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local isCurrentTab = currentTab == nil
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if isCurrentTab then
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currentTab = tab
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end
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local tw, th = parent.getSize()
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tab.window = window.create(parent, 1, 1, tw, th, isCurrentTab)
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tab.scrollPos = 1
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tab.pageDown = function ()
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local tw, th = tab.window.getSize()
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tab.scrollPos = tab.scrollPos + th
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end
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tab.pageUp = function ()
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local tw, th = tab.window.getSize()
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tab.scrollPos = math.max(1, tab.scrollPos-th)
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end
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allTabs[tab.name] = tab
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tabOrder[order_idx] = tab.name
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tabCount = tabCount + 1
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return tab
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end
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local function showTab(name)
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if currentTab ~= nil then
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currentTab.window.setVisible(false)
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end
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currentTab = allTabs[name]
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if currentTab == nil then
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-- backwards compatible idx lookup
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currentTab = allTabs[tabOrder[name]]
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end
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assert(currentTab ~= nil, "tab name '" .. name .. "' was not registered")
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currentTab.window.setVisible(true)
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end
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local function switchTab()
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assert(tabCount > 0, "tabs need to be registered in order to switch tabs")
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local idx = 0
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if currentTab ~= nil then
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currentTab.window.setVisible(false)
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for i, name in pairs(tabOrder) do
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if name == currentTab.name then
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idx = i
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break
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end
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end
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end
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idx = idx + 1
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if idx > tabCount then
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idx = 1
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end
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currentTab = allTabs[tabOrder[idx]]
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currentTab.window.setVisible(true)
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end
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local function getCurrentTab()
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return currentTab
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end
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local function getAllTabs()
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return allTabs
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end
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local function updateSize()
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local tw, th = parent.getSize()
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for name, tab in pairs(allTabs) do
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tab.window.reposition(1, 1, tw, th)
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end
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end
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local function onTouch(touch_x, touch_y)
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if currentTab ~= nil then
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currentTab.onTouch(currentTab, touch_x, touch_y)
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end
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end
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return {
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setTerm=setTerm,
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addTab=addTab,
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showTab=showTab,
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switchTab=switchTab,
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updateSize=updateSize,
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onTouch=onTouch,
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currentTab=getCurrentTab,
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allTabs=getAllTabs,
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} |