Index of Module ln_glgui

Module: ln_glgui

The module ln_glgui provides a primitive GUI management system and all the regular widgets used in LambdaNative. This module is REQUIRED for any application with a GUI.

Functions in this module:

Function	Short Description
(glgui-battery g x y w h v)	Adds a battery icon to the screen
(glgui-box g x y w h c)	Plots a filled rectangle in color c
(glgui-box-dragable g x y w h color cb)	A special version of glgui-box that triggers a callback when dragged
(glgui-dropdown-box g x y w h lst fnt color bgcolor)	Dropdown box widget for choosing from a list of items
(glgui-button-arrow g x y w h l img callback)	Creates a clickable arrow button
(glgui-button-arrow-string g x y w h l str fnt callback)	Creates a clickable arrow button with a string label
(glgui-button g x y w h img callback)	Creates a button with an image texture. Supports toggle buttons with a list of images
(glgui-button-string g x y w h str fnt callback . icon)	Creates a button with a string label. Supports toggle buttons using a list of strings.
(glgui-chat g x y w h dh lst fnt cb)	Adds a chat dialog (list) to the screen
(glgui-container g x y w h)	Minimal container widget. Used to move or hide many grouped elements together.
(glgui-datepicker g x y w h datemin datemax colorarrows colorhighlight colorvalue colorbg numfont monthfont)	Creates a date entry widget with YYYY MM DD value pickers
(glgui-datepicker-update-months strlist)	Updates the strings used for displaying months in all datepickers
(glgui-datepicker-unlimited g wgt)	Allows month and day pickers to go to every value, temporarily allowing values outside the set min and max (in month and day only) and invalid dates such as 2015 Feb 31.
(glgui-datepicker-update-limits g wgt)	Reverses the effect of the above procedure, restricting available dates to be valid and within the set min and max. This will also change the currently selected value if it is no longer allowed.
(glgui-datewheels g x y w h datemin datemax colorvalue colorshade numfont1 numfont2 monthfont1 monthfont2)	Creates a date entry widget with YYYY MM DD wheels
(glgui-datewheels-unlimited g wgt)	Allows month and day wheels to go to every value, temporarily allowing values outside the set min and max (in month and day only) and invalid dates such as 2015 Feb 31.
(glgui-datewheel-update-limits g wgt)	Reverses the effect of the above procedure, restricting available dates to be valid and within the set min and max. This will also change the currently selected value if it is no longer allowed.
(glgui-datewheel-update-months strlist)	Updates the strings used for displaying months in all datepickers
(glgui-propagate-set! p)	Controls whether events are sent to all widgets, or only the first one
(glgui-resume)	Resume rendering of GUI elements after previous suspend
(glgui-suspend)	Suspend rendering of GUI elements, e.g. if moved to background
(glgui-modal-set! v)	Toggles display of modal widgets
(glgui-orientation-set! o)	Set the default GUI orientation
(glgui-width-get)	Get GUI width
(glgui-height-get)	Get GUI height
(glgui-horizontalvaluepicker g x y w h vmin vmax colorarrows colorhighlight colorvalue colorbg font . steps)	Creates a horizontally oriented number/text/icon picker widget.
(glgui-event guis t x0 y0)	Propagates an input event through all widgets of a given gui or guis
(glgui-image g x y w h image color . bgcolor)	Creates an image with given dimensions
(glgui-keypad g x y w h fnt . keypad)	A simple keypad/keyboard widget
(glgui-label g x y w h label fnt color . bgcolor)	Create a label widget from a string
(glgui-inputlabel g x y w h label fnt color . bgcolor)	Create a label widget from a string, which takes focus on being clicked, thus makes it changeable
(glgui-label-wrapped g x y w h label fnt color . bgcolor)	Create a wrapping label widget from a string
(glgui-list g x y w h dh lst cb . kcb)	Creates a list containing elements composed of other widgets.
(glgui-list-reset g wgt newlist)	Clears and resets a list widget for new content
(make-glgui-lockpane x y w h splash fnt callback)	Creates a lockpane with a splash screen image
(glgui-menubar g x y w h)	Draws a shaded menubar
(glgui-modal g img color)	Adds a simple modal widget
(glgui-numberwheel g x y w h vmin vmax icon coloricon colorvalue colorshade font1 font2 icon2 . steps)	Creates a horizontal oriented number/text wheel widget
(glgui-pixmap g x y img . stretch)	Creates a pixmap image
(glgui-utf8-set! flag)	Changes UTF8 use for string<->glyphs conversion
(string-split-width str w fnt)	Returns a modified version of a string wrapped to fit into a specified width
(string-split-width-rtl str w fnt)	Returns a modified version of a right-to-left string wrapped to fit into a specified width
(glgui-screenindicator g x y w h c)	Create a screen indicator, mainly to indicate screen that can be navigated to using sliding motions
(glgui-slider g x y w h vmin vmax icon coloricon colorvalue colorhandle bgcolor font1 font2 icon2 coloricon2 . steps)	Create a slider widget
(glgui-sprite g . args)	Create a sprite, with optional parameter arguments
(glgui-timepicker g x y w h colorarrows colorhighlight colorvalue colorbg font)	Creates a time entry widget with HH and MM vertical value pickers.
(glgui-timewheels-set-time g w hours minutes)	Sets the time displayed on the wheels using two strings
(glgui-timewheels g x y w h colorvalue colorshade selfont unselfont)	Creates a time entry widget with HH and MM wheels
(glgui-trace g x y w h trace color . lim)	Creates a widget that traces/draws waveform data
(glgui-trace-slider g x y w h trace color popup-fnt . lim)	Creates a widget that traces/draws waveform data and calls out values when pointed to
(glgui-valuelabel g x y img fnt color)	Creates a value/label indicator composed of a right aligned number and a left aligned label
(glgui-verticalnumberwheel g x y w h vmin vmax icon coloricon colorvalue colorshade font1 font2 icon2 . steps)	Creates a vertical oriented number/text wheel widget
(glgui-verticalvaluelabel g x y img fnt color)	Creates a value/label indicator composed of a right aligned number on top and a right aligned label below
(glgui-verticalvaluepicker g x y w h vmin vmax colorarrows colorhighlight colorvalue colorbg font . steps)	Creates a vertically oriented number/text/icon picker widget.
(glgui-get g id . fb)	Returns a state variable from a GUI context
(glgui-set! g id val)	Sets a state variable in a GUI context
(make-glgui . offset)	Creates GUI object to add widgets
(glgui-widget-add g . args)	Adds a widget to a GUI object
(glgui-widget-clear! g w id)	Clears a parameter of a widget
(glgui-widget-delete g w)	Deletes a widget, used only temporarily, during application runtime
(glgui-widget-get g w id)	Extracts parameters from a widget
(glgui-widget-get-dyn g w id)	Extracts dynamic parameters, such as procedures, from a widget
(glgui-widget-set! g w id val)	Sets a parameter of a widget
(glgui-widget-setglobal! g id val)	Sets a parameter for all widget in a given gui