mirror of https://github.com/OpenMW/openmw.git
Control GUI modes from Lua
Petr Mikheev
1 year ago
parent
f86a45d60a
commit
87eacf774a
@ -0,0 +1,6 @@
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Interface UI
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============
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.. raw:: html
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:file: generated_html/scripts_omw_ui.html
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@ -0,0 +1,187 @@
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local ui = require('openmw.ui')
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local util = require('openmw.util')
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local self = require('openmw.self')
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local MODE = ui._getAllUiModes()
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local WINDOW = ui._getAllWindowIds()
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local replacedWindows = {}
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local hiddenWindows = {}
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local modeStack = {}
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local function registerWindow(window, showFn, hideFn)
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if not WINDOW[window] then
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error('At the moment it is only possible to override existing windows. Window "'..
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tostring(window)..'" not found.')
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end
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ui._setWindowDisabled(window, true)
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if replacedWindows[window] then
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replacedWindows[window].hideFn()
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end
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replacedWindows[window] = {showFn = showFn, hideFn = hideFn, visible = false}
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hiddenWindows[window] = nil
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end
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local function updateHidden(mode, options)
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local toHide = {}
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if options and options.windows then
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for _, w in pairs(ui._getAllowedWindows(mode)) do
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toHide[w] = true
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end
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for _, w in pairs(options.windows) do
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toHide[w] = nil
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end
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end
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for w, _ in pairs(hiddenWindows) do
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if toHide[w] then
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toHide[w] = nil
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else
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hiddenWindows[w] = nil
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if not replacedWindows[w] then
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ui._setWindowDisabled(w, false)
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end
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end
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end
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for w, _ in pairs(toHide) do
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hiddenWindows[w] = true
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if not replacedWindows[w] then
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ui._setWindowDisabled(w, true)
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end
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end
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end
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local function setMode(mode, options)
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if mode then
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updateHidden(mode, options)
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ui._setUiModeStack({mode}, options and options.target)
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else
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ui._setUiModeStack({})
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end
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end
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local function addMode(mode, options)
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updateHidden(mode, options)
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modeStack[#modeStack + 1] = mode
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ui._setUiModeStack(modeStack, options and options.target)
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end
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local function removeMode(mode)
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local sizeBefore = #modeStack
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local j = 1
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for i = 1, sizeBefore do
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if modeStack[i] ~= mode then
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modeStack[j] = modeStack[i]
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j = j + 1
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end
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end
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for i = j, sizeBefore do modeStack[i] = nil end
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if sizeBefore > #modeStack then
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ui._setUiModeStack(modeStack)
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end
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end
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local function onUiModeChanged(arg)
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local newStack = ui._getUiModeStack()
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for i = 1, math.max(#modeStack, #newStack) do
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modeStack[i] = newStack[i]
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end
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for w, state in pairs(replacedWindows) do
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if state.visible then
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state.hideFn()
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state.visible = false
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end
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end
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local mode = newStack[#newStack]
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if mode then
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for _, w in pairs(ui._getAllowedWindows(mode)) do
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local state = replacedWindows[w]
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if state and not hiddenWindows[w] then
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state.showFn(arg)
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state.visible = true
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end
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end
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end
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self:sendEvent('UiModeChanged', {mode = mode, arg = arg})
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end
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return {
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interfaceName = 'UI',
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---
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-- @module UI
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-- @usage require('openmw.interfaces').UI
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interface = {
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--- Interface version
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-- @field [parent=#UI] #number version
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version = 0,
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--- All available UI modes.
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-- Use `view(I.UI.MODE)` in `luap` console mode to see the list.
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-- @field [parent=#UI] #table MODE
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MODE = util.makeStrictReadOnly(MODE),
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--- All windows.
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-- Use `view(I.UI.WINDOW)` in `luap` console mode to see the list.
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-- @field [parent=#UI] #table WINDOW
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WINDOW = util.makeStrictReadOnly(WINDOW),
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--- Register new implementation for the window with given name; overrides previous implementation.
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-- Adding new windows is not supported yet. At the moment it is only possible to override built-in windows.
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-- @function [parent=#UI] registerWindow
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-- @param #string windowName
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-- @param #function showFn Callback that will be called when the window should become visible
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-- @param #function hideFn Callback that will be called when the window should be hidden
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registerWindow = registerWindow,
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--- Returns windows that can be shown in given mode.
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-- @function [parent=#UI] getWindowsForMode
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-- @param #string mode
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-- @return #table
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getWindowsForMode = ui._getAllowedWindows,
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--- Stack of currently active modes
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-- @field [parent=#UI] modes
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modes = util.makeReadOnly(modeStack),
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--- Get current mode (nil if all windows are closed), equivalent to `I.UI.modes[#I.UI.modes]`
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-- @function [parent=#UI] getMode
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-- @return #string
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getMode = function() return modeStack[#modeStack] end,
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--- Drop all active modes and set mode.
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-- @function [parent=#UI] setMode
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-- @param #string mode (optional) New mode
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-- @param #table options (optional) Table with keys 'windows' and/or 'target' (see example).
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-- @usage I.UI.setMode() -- drop all modes
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-- @usage I.UI.setMode('Interface') -- drop all modes and open interface
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-- @usage -- Drop all modes, open interface, but show only the map window.
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-- I.UI.setMode('Interface', {windows = {'Map'}})
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setMode = setMode,
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--- Add mode to stack without dropping other active modes.
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-- @function [parent=#UI] addMode
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-- @param #string mode New mode
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-- @param #table options (optional) Table with keys 'windows' and/or 'target' (see example).
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-- @usage I.UI.addMode('Journal') -- open journal without dropping active modes.
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-- @usage -- Open barter with an NPC
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-- I.UI.addMode('Barter', {target = actor})
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addMode = addMode,
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--- Remove the specified mode from active modes.
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-- @function [parent=#UI] removeMode
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-- @param #string mode Mode to drop
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removeMode = removeMode,
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-- TODO
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-- registerHudElement = function(name, showFn, hideFn) end,
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-- showHud = function(bool) end,
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-- isHudVisible = function() end,
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-- showHudElement = function(name, bool) end,
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-- hudElements, -- map from element name to its visibility
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},
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engineHandlers = {
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_onUiModeChanged = onUiModeChanged,
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},
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eventHandlers = {
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UiModeChanged = function() end,
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},
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}
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