ReiGui text input.
This commit is contained in:
jussi
@@ -5,6 +5,16 @@ Color = require( "color" )
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-- NOTE!!! Work in progress! Do not use.
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--[[
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To add repeat inputs to the keys pressed buffer, you could add GLFW_REPEAT in railib rcore.c in function "KeyCallback" by changing:
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if ((CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) && (action == GLFW_PRESS))
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To
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if ((CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) && (action == GLFW_PRESS || action == GLFW_REPEAT))
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Now GLFW_REPEAT can be read by "RL_GetKeyPressed".
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]]
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Gui = {
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ALING = {
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NONE = 0,
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@@ -40,9 +50,13 @@ Gui = {
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_cells = {},
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_mousePos = Vec2:new( 0, 0 ), -- Last mouse position that was passed to Gui.process.
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heldCallback = nil,
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_heldCallback = nil,
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_inputElement = nil,
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_inputItem = nil, -- Must be type Text.
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}
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local readyToUnfocusInput = false -- Guard to not unfocus input immediately.
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local function setProperty( set, property, default )
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if set ~= nil and set[ property ] ~= nil then
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return set[ property ]
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@@ -51,58 +65,146 @@ local function setProperty( set, property, default )
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return default
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end
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function Gui.setInputFocus( element, itemID )
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itemID = itemID or 1
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Gui._inputElement = element
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Gui._inputItem = element.items[ itemID ]
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if element.inputFocus ~= nil then
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element.inputFocus()
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end
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readyToUnfocusInput = false
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end
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function Gui.inputUnfocus()
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if Gui._inputElement ~= nil then
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Gui._inputElement.inputUnfocus()
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end
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Gui._inputElement = nil
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Gui._inputItem = nil
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end
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function Gui.getId( cell )
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for id, c in ipairs( Gui._cells ) do
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if cell == c then
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return id
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end
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end
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return nil
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end
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function Gui.delete( cell )
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local id = Gui.getId( cell )
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if id ~= nil then
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table.remove( Gui._cells, id )
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end
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end
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function Gui.set2Top( cell )
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util.tableMove( Gui._cells, Gui.getId( cell ), 1, #Gui._cells )
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end
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function Gui.set2Back( cell )
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util.tableMove( Gui._cells, Gui.getId( cell ), 1, 1 )
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end
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function Gui.process( mousePosition )
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local mouseWheel = RL_GetMouseWheelMove()
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Gui._mousePos = mousePosition
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if Gui.heldCallback ~= nil then
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if Gui._heldCallback ~= nil then
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if RL_IsMouseButtonDown( Gui.mouseButton ) then
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Gui.heldCallback()
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Gui._heldCallback()
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else
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Gui.heldCallback = nil
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Gui._heldCallback = nil
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end
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return
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end
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-- Go backwards on process check so we trigger the top most ui first and stop there.
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local foundFirst = false
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-- Go backwards on process check so we trigger the top most ui first and stop there.
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for i = #Gui._cells, 1, -1 do
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local cell = Gui._cells[i]
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if not foundFirst and cell.isMouseOver ~= nil and cell:isMouseOver( mousePosition ) and not cell.disabled then
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-- On clicked.
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if RL_IsMouseButtonPressed( Gui.mouseButton ) and cell.onClicked ~= nil then
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cell:onClicked()
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end
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-- On held.
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if RL_IsMouseButtonDown( Gui.mouseButton ) and cell.onHeld ~= nil then
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cell:onHeld()
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end
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-- Mouse wheel scrolling.
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if mouseWheel ~= 0 then
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if cell._parent ~= nil and cell._parent.scrollable then
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cell = cell._parent
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if cell ~= nil then
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if not foundFirst and cell.isMouseOver ~= nil and cell:isMouseOver( mousePosition ) and not cell.disabled then
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-- On clicked.
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if RL_IsMouseButtonPressed( Gui.mouseButton ) and cell.onClicked ~= nil then
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cell:onClicked()
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end
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if cell.scrollable then
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local pos = Vec2:new( cell._scrollRect.x, cell._scrollRect.y )
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local scrollVec = Vec2:new( 0, cell.scrollAmount * mouseWheel )
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if RL_IsKeyDown( KEY_LEFT_SHIFT ) then
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scrollVec = Vec2:new( cell.scrollAmount * mouseWheel, 0 )
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-- On held.
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if RL_IsMouseButtonDown( Gui.mouseButton ) and cell.onHeld ~= nil then
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cell:onHeld()
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end
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-- Mouse wheel scrolling.
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if mouseWheel ~= 0 then
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if cell._parent ~= nil and cell._parent.scrollable then
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cell = cell._parent
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end
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cell:scroll( pos - scrollVec )
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if cell.scrollable then
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local pos = Vec2:new( cell._scrollRect.x, cell._scrollRect.y )
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local scrollVec = Vec2:new( 0, cell.scrollAmount * mouseWheel )
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if RL_IsKeyDown( KEY_LEFT_SHIFT ) then
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scrollVec = Vec2:new( cell.scrollAmount * mouseWheel, 0 )
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end
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cell:scroll( pos - scrollVec )
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end
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end
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foundFirst = true
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elseif cell.notMouseOver ~= nil then
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cell:notMouseOver()
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end
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end
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end
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-- Text input.
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if Gui._inputItem ~= nil then
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repeat
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local char = RL_GetCharPressed()
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if 0 < char then
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if utf8.len( Gui._inputItem.text ) < Gui._inputItem.maxTextLen then
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Gui._inputItem.text = Gui._inputItem.text..utf8.char( char )
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end
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end
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foundFirst = true
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elseif cell.notMouseOver ~= nil then
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cell:notMouseOver()
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until char == 0
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repeat
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local key = RL_GetKeyPressed()
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if 0 < key then
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if key == KEY_BACKSPACE then
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Gui._inputItem.text = util.utf8Sub( Gui._inputItem.text, 0, utf8.len( Gui._inputItem.text ) - 1 )
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elseif key == KEY_ENTER or key == KEY_KP_ENTER then
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if Gui._inputItem.allowLineBreak then
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Gui._inputItem.text = Gui._inputItem.text.."\n"
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else
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Gui.inputUnfocus()
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end
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elseif key == KEY_ESCAPE then
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Gui.inputUnfocus()
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end
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end
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until key == 0
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if readyToUnfocusInput and RL_IsMouseButtonPressed( Gui.mouseButton ) then
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Gui.inputUnfocus()
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end
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readyToUnfocusInput = true
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end
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end
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@@ -134,6 +236,7 @@ function Text:new( set )
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object.spacing = setProperty( set, "spacing", Gui.spacing )
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object.color = setProperty( set, "color", Color:new( BLACK ) )
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object.maxTextLen = setProperty( set, "maxTextLen", nil )
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object.allowLineBreak = setProperty( set, "allowLineBreak", false )
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object.visible = setProperty( set, "visible", true )
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object._parent = nil
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@@ -314,7 +417,7 @@ Element.__index = Element
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function Element:new( set )
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local object = setmetatable( {}, Element )
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object._ID = #Gui._cells + 1
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-- object._ID = #Gui._cells + 1
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object.bounds = setProperty( set, "bounds", Rect:new( 0, 0, 0, 0 ) )
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object.padding = setProperty( set, "padding", Gui.padding )
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object.visible = setProperty( set, "visible", true )
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@@ -330,6 +433,8 @@ function Element:new( set )
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object.notMouseOver = setProperty( set, "notMouseOver", nil )
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object.onClicked = setProperty( set, "onClicked", nil )
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object.onHeld = setProperty( set, "onHeld", nil )
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object.inputFocus = setProperty( set, "inputFocus", nil )
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object.inputUnfocus = setProperty( set, "inputUnfocus", nil )
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object._parent = nil
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table.insert( Gui._cells, object )
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@@ -415,15 +520,15 @@ function Element:draw()
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end
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function Element:delete()
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table.remove( Gui._cells, self._ID )
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Gui.delete( self )
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end
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function Element:set2Top()
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util.tableMove( Gui._cells, self._ID, 1, #Gui._cells )
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Gui.set2Top( self )
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end
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function Element:set2Back()
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util.tableMove( Gui._cells, self._ID, 1, 1 )
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Gui.set2Back( self )
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end
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-- Container.
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@@ -434,7 +539,7 @@ Container.__index = Container
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function Container:new( set )
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local object = setmetatable( {}, Container )
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object._ID = #Gui._cells + 1
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-- object._ID = #Gui._cells + 1
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object.bounds = setProperty( set, "bounds", Rect:new( 0, 0, 0, 0 ) )
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object.spacing = setProperty( set, "spacing", Gui.spacing )
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object.type = setProperty( set, "type", Gui.CONTAINER.VERTICAL )
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@@ -447,6 +552,7 @@ function Container:new( set )
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object.showScrollbar = setProperty( set, "showScrollbar", false )
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object.scrollbarWidth = setProperty( set, "scrollbarWidth", Gui.scrollbarWidth )
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object.scrollAmount = setProperty( set, "scrollAmount", Gui.scrollAmount ) -- When using mouse scroll.
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object.drawScrollRect = setProperty( set, "drawScrollRect", false )
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object.cells = {}
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@@ -576,7 +682,7 @@ function Container:update()
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padding = 0,
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drawBounds = true,
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color = Color:new( GRAY ),
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onClicked = function() Gui.heldCallback = function() self:mouseScroll( Vec2:new( 0, 1 ) ) end end,
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onClicked = function() Gui._heldCallback = function() self:mouseScroll( Vec2:new( 0, 1 ) ) end end,
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} )
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self._VScrollbar:add( Gui.shape:new( {
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@@ -593,7 +699,7 @@ function Container:update()
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padding = 0,
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drawBounds = true,
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color = Color:new( GRAY ),
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onClicked = function() Gui.heldCallback = function() self:mouseScroll( Vec2:new( 1, 0 ) ) end end,
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onClicked = function() Gui._heldCallback = function() self:mouseScroll( Vec2:new( 1, 0 ) ) end end,
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} )
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self._HScrollbar:add( Gui.shape:new( {
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@@ -652,7 +758,60 @@ function Container:update()
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end
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function Container:delete()
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table.remove( Gui._cells, self._ID )
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for _, cell in ipairs( self.cells ) do
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cell:delete()
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end
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if self._VScrollbar ~= nil then
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Gui.delete( self._VScrollbar )
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end
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if self._HScrollbar ~= nil then
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Gui.delete( self._HScrollbar )
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end
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Gui.delete( self )
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end
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function Container:set2Top()
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Gui.set2Top( self )
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for _, cell in ipairs( self.cells ) do
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cell:set2Top()
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end
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if self._VScrollbar ~= nil then
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Gui.set2Top( self._VScrollbar )
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end
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if self._HScrollbar ~= nil then
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Gui.set2Top( self._HScrollbar )
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end
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end
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function Container:set2Back()
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if self._VScrollbar ~= nil then
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Gui.set2Back( self._VScrollbar )
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end
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if self._HScrollbar ~= nil then
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Gui.set2Back( self._HScrollbar )
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end
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for _, cell in ipairs( self.cells ) do
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cell:set2Back()
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end
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Gui.set2Back( self )
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end
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function Container:draw()
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if self.drawScrollRect then
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RL_DrawRectangleLines( {
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self.bounds.x - self._scrollRect.x,
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self.bounds.y - self._scrollRect.y,
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self._scrollRect.width,
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self._scrollRect.height,
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},
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RED )
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end
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end
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--Assingments.
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Block a user