Application Development Kit (Version 4.7)


gui.h File Reference

Last updated: 17-Sep-2025
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#include <stdarg.h>

#include <pthread.h>

#include "jsobject.h"

#include "timestamp.h"

#include "gui_error.h"

#include "types.h"

#include "gui_template.h"
Include dependency graph for gui.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
class   UICBData
struct   UIRegion
struct   UIErrorEntry
struct   UIStatistics
struct   UIBacklight
class   UIDrawing
struct   UITextWidth

Namespaces
  vfigui

Macros
#define  DllSpec

Typedefs
typedef bool(*  uiCallback) (void *data)
typedef void(*  uiAsyncCallback) (void *data, UICBType type, UICBData &uidata)
typedef void(*  uiDisconnectCallback) (int display)
typedef void(*  uiEventCallback) (void *data, UICanvasEvent event, int x, int y, int key, unsigned flags)

Enumerations
enum   UICBType {

  UI_CB_RESULT,
UI_CB_UPDATE,
UI_CB_LOAD,
UI_CB_ERROR_LIST,


  UI_CB_STATISTICS,
UI_CB_EVENT


}
enum   { UI_REGION_DEFAULT =0
}
enum   { UI_REGION_FLAG_HIDDEN =1
}
enum   UIPropertyInt {

  UI_PROP_TIMEOUT =0,
UI_PROP_PASSWORD_CHAR,
UI_PROP_DEFAULT_FONT_SIZE,
UI_PROP_PIN_AUTO_ENTER,


  UI_PROP_PIN_CLEAR_ALL,
UI_PROP_PIN_BYPASS_KEY,
UI_PROP_PIN_ALGORITHM,
UI_PROP_PIN_INTERCHAR_TIMEOUT,


  UI_PROP_PASSWORD_SHOW_CHAR,
UI_PROP_KEEP_DISPLAY,
UI_PROP_UPDATE_EVENTS,
UI_PROP_CIRCULAR_MENU,


  UI_PROP_TOUCH_ACTION_BEEP,
UI_PROP_STATISTICS,
UI_PROP_RESTRICTED,
UI_PROP_CP_APP_MODE,


  UI_PROP_SCROLL_COLOR,
UI_PROP_INPUT_ERROR_BEEP,
UI_PROP_ZOOM_MAX,
UI_PROP_SCROLL_DISPLAY,


  UI_PROP_JS_QUOTA_SIZE,
UI_DEVICE_WIDTH =1000,
UI_DEVICE_HEIGHT,
UI_DEVICE_COLOR_DEPTH,


  UI_DEVICE_SUPPORTS_TOUCH,
UI_DEVICE_SUPPORTS_BEEPER,
UI_DEVICE_SUPPORTS_AUDIO,
UI_DEVICE_SUPPORTS_VIDEO,


  UI_DEVICE_SUPPORTS_SIGCAP,
UI_DEVICE_SUPPORTS_COLOR_DISPLAY,
UI_DEVICE_HAS_CAP_TOUCH_KEYPAD,
UI_DEVICE_SUPPORTS_NAVIGATOR_MODE,


  UI_DEVICE_KEY_COUNT


}
enum   UIPropertyString {

  UI_PROP_DECIMAL_SEPARATOR =2000,
UI_PROP_THOUSANDS_SEPARATOR,
UI_PROP_DEFAULT_FONT,
UI_PROP_RESOURCE_PATH,


  UI_PROP_FILE_PREFIX,
UI_PROP_KEYMAP,
UI_PROP_CSS,
UI_PROP_RESOURCE_DEFAULT_PATH,


  UI_PROP_GUI_EXTENSIONS,
UI_PROP_HTTP_HEADER_FIELDS,
UI_PROP_CP_APP_DIR,
UI_PROP_LANGUAGE,


  UI_PROP_JS_ROOT,
UI_PROP_PRINT_ROOT,
UI_PROP_PRINT_CSS,
UI_PROP_JS_QUOTA_ROOT,


  UI_DEVICE_MODEL =3000


}
enum   UIServerProperty { UI_SERVER_TOUCH_ACTION_BEEP,
UI_SERVER_INPUT_ERROR_BEEP,
UI_SERVER_KEYMAP
}
enum   {

  UI_TRANS_UP =0x1,
UI_TRANS_RIGHT =0x2,
UI_TRANS_DOWN =0x4,
UI_TRANS_LEFT =0x8,


  UI_TRANS_DIRECTION_MASK =0xf,
UI_TRANS_EASE_IN =0x10,
UI_TRANS_EASE_OUT =0x20,
UI_TRANS_EASE_INOUT =0x30,


  UI_TRANS_EASE_MASK =0x30,
UI_TRANS_NONE =0x000,
UI_TRANS_SLIDE =0x100,
UI_TRANS_SLIDEON =0x200,


  UI_TRANS_SWAP =0x300,
UI_TRANS_CROSSFADE =0x400,
UI_TRANS_TYPE_MASK =0xfff00


}
enum   UILEDShape { UI_SHAPE_RECTANGLE,
UI_SHAPE_ELLIPSE
}
enum   UIEdge { UI_EDGE_TOP,
UI_EDGE_RIGHT,
UI_EDGE_BOTTOM,
UI_EDGE_LEFT
}
enum   UIScrollPosition { UI_SCROLL_TOP,
UI_SCROLL_BOTTOM
}
enum   UIBeep { UI_BEEP_NORMAL,
UI_BEEP_ERROR
}
enum   UINagScreenType { UI_NAG_TEST_DEVICE
}
enum   UICanvasEvent {

  UI_PUSH,
UI_DRAG,
UI_RELEASE,
UI_KEYDOWN,


  UI_KEYUP,
UI_TERMINATE


}

Functions
DllSpec void  uiSetConnectAttempts (int num)
DllSpec int  uiGetConnectAttempts ()
DllSpec void  uiSetDisconnectCallback (uiDisconnectCallback cb)
DllSpec uiDisconnectCallback  uiGetDisconnectCallback ()
DllSpec void  uiSetKeepalive (int count, int interval)
DllSpec void  uiGetKeepalive (int &count, int &interval)
DllSpec void  uiDisconnect (int display)
DllSpec int  uiReadRuntimeID (int display, std::string &id, int timeout_msec=5000)
DllSpec std::string  uiPrint (const char *format,...)
DllSpec std::string  uiPrintV (const char *format, va_list va)
DllSpec int  uiDisplayCount ()
DllSpec int  uiDisplay (int display, int region_id, const std::string &text)
DllSpec int  uiDisplay (int region_id, const std::string &text)
int  uiDisplay (const std::string &text)
DllSpec int  uiInvoke (int display, int region_id, stringmap &value, const std::string &text, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvoke (int region_id, stringmap &value, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvoke (stringmap &value, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvoke (int display, int region_id, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvoke (int region_id, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvoke (const std::string &text, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvokeTemplate (int display, int region_id, stringmap &value, const std::string &template_name, const std::string &text, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvokeTemplate (int region_id, stringmap &value, const std::string &template_name, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvokeTemplate (stringmap &value, const std::string &template_name, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvokeTemplate (int display, int region_id, const std::string &template_name, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvokeTemplate (int region_id, const std::string &template_name, const std::string &text, uiCallback cb=0, void *cbdata=0)
int  uiInvokeTemplate (const std::string &template_name, const std::string &text, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvokeURL (int display, int region_id, stringmap &value, const char *url, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvokeURL (int region_id, stringmap &value, const char *url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (stringmap &value, const char *url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (int display, int region_id, const char *url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (int region_id, const char *url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (const char *url, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvokeURL (int display, int region_id, stringmap &value, const std::string &url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (int region_id, stringmap &value, const std::string &url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (stringmap &value, const std::string &url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (int display, int region_id, const std::string &url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (int region_id, const std::string &url, uiCallback cb=0, void *cbdata=0)
int  uiInvokeURL (const std::string &url, uiCallback cb=0, void *cbdata=0)
DllSpec int  uiInvokeAsync (int display, int region_id, const stringmap &value, const std::string &text, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeAsync (int region_id, const stringmap &value, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeAsync (const stringmap &value, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeAsync (int display, int region_id, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeAsync (int region_id, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeAsync (const std::string &text, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeTemplateAsync (int display, int region_id, const stringmap &value, const std::string &template_name, const std::string &text, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeTemplateAsync (int region_id, const stringmap &value, const std::string &template_name, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeTemplateAsync (const stringmap &value, const std::string &template_name, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeTemplateAsync (int display, int region_id, const std::string &template_name, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeTemplateAsync (int region_id, const std::string &template_name, const std::string &text, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeTemplateAsync (const std::string &template_name, const std::string &text, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeURLAsync (int display, int region_id, const stringmap &value, const char *url, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeURLAsync (int region_id, const stringmap &value, const char *url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (const stringmap &value, const char *url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (int display, int region_id, const char *url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (int region_id, const char *url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (const char *url, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeURLAsync (int display, int region_id, const stringmap &value, const std::string &url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (int region_id, const stringmap &value, const std::string &url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (const stringmap &value, const std::string &url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (int display, int region_id, const std::string &url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (int region_id, const std::string &url, uiAsyncCallback cb=0, void *data=0)
int  uiInvokeURLAsync (const std::string &url, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiInvokeWait (int txn_id, std::map< std::string, std::string > &value, int timeout_msec=-1)
int  uiInvokeWait (int txn_id, int timeout_msec=-1)
DllSpec int  uiInvokeCancel (int txn_id, std::map< std::string, std::string > &value)
int  uiInvokeCancel (int txn_id)
DllSpec int  uiInvokeCancelAsync (int txn_id)
DllSpec int  uiInvokeURLDetached (int display, int region_id, const char *url)
DllSpec int  uiInvokeURLDetached (int region_id, const char *url)
int  uiInvokeURLDetached (const char *url)
DllSpec int  uiClear (int display, int region_id)
int  uiClear (int region_id)
DllSpec int  uiSetPropertyInt (int display, enum UIPropertyInt property, int value)
DllSpec int  uiSetPropertyInt (enum UIPropertyInt property, int value)
DllSpec int  uiGetPropertyInt (int display, enum UIPropertyInt property, int *value)
DllSpec int  uiGetPropertyInt (enum UIPropertyInt property, int *value)
DllSpec int  uiSetPropertyString (int display, enum UIPropertyString property, const char *value)
DllSpec int  uiSetPropertyString (enum UIPropertyString property, const char *value)
int  uiSetPropertyString (int display, enum UIPropertyString property, const std::string &value)
int  uiSetPropertyString (enum UIPropertyString property, const std::string &value)
DllSpec int  uiGetPropertyString (int display, enum UIPropertyString property, char *value, int len)
DllSpec int  uiGetPropertyString (enum UIPropertyString property, char *value, int len)
DllSpec int  uiGetPropertyString (int display, enum UIPropertyString property, std::string &value)
DllSpec int  uiGetPropertyString (enum UIPropertyString property, std::string &value)
DllSpec int  uiSetServerProperty (int display, enum UIServerProperty property, const std::string &value)
DllSpec int  uiGetServerProperty (int display, enum UIServerProperty property, std::string &value)
DllSpec std::string  uiGetTerminalResourceDir (int display, const std::string &www_path)
DllSpec std::string  uiGetTerminalResourceDir (const std::string &www_path)
DllSpec std::string  uiGetKeypadType (int display)
DllSpec void  uiSetLocalProperties (bool local)
DllSpec bool  uiGetLocalProperties ()
DllSpec int  uiLayout (int display, const UIRegion *region, int regcnt, const UIRegion *oldreg, int oldregcnt)
DllSpec int  uiLayout (const UIRegion *region, int regcnt, const UIRegion *oldreg, int oldregcnt)
DllSpec int  uiLayout (int display, const UIRegion *region, int regcnt)
DllSpec int  uiLayout (const UIRegion *region, int regcnt)
int  uiLayout (int display, const std::vector< UIRegion > &reg)
int  uiLayout (const std::vector< UIRegion > &reg)
int  uiLayout (int display, const std::vector< UIRegion > &reg, const std::vector< UIRegion > &oldreg)
int  uiLayout (const std::vector< UIRegion > &reg, const std::vector< UIRegion > &oldreg)
DllSpec int  uiLayout (int display, const char *name)
DllSpec int  uiLayout (const char *name)
DllSpec int  uiGetLayout (int display, std::vector< UIRegion > &region)
DllSpec int  uiGetLayout (std::vector< UIRegion > &region)
DllSpec int  uiGetRegionSize (int display, int region_id, int &width, int &height)
int  uiGetRegionSize (int region_id, int &width, int &height)
DllSpec int  uiEnterRegion (int display, int region_id)
DllSpec int  uiEnterRegion (int region_id)
DllSpec int  uiLeaveRegion (int display)
DllSpec int  uiLeaveRegion ()
DllSpec std::string  uiCurrentRegionPath (int display)
DllSpec std::string  uiCurrentRegionPath ()
DllSpec int  uiSetCurrentRegionPath (int display, const std::string &path)
DllSpec int  uiSetCurrentRegionPath (const std::string &path)
DllSpec int  uiRegionIsVisible (int display, int region_id)
int  uiRegionIsVisible (int region_id)
DllSpec void  uiReadConfig (int display)
DllSpec void  uiReadConfig ()
DllSpec int  uiSetCatalog (int display, const std::string &filename)
DllSpec int  uiSetCatalog (const std::string &filename)
DllSpec std::string  uiGetCatalog (int display)
DllSpec std::string  uiGetCatalog ()
DllSpec void  uiCatalogSetDelayedRelease (unsigned num)
DllSpec unsigned  uiCatalogGetDelayedRelease ()
DllSpec std::string  uiGetText (int display, const std::string &name, const std::string &deflt="")
DllSpec std::string  uiGetText (const std::string &name, const std::string &deflt="")
DllSpec std::string  uiGetText (int display, const std::string &filename, const std::string &name, const std::string &deflt)
DllSpec std::string  uiGetText (const std::string &filename, const std::string &name, const std::string &deflt)
DllSpec int  uiGetHtml (int display, const std::map< std::string, std::string > &value, const std::string &text, std::string &html)
DllSpec int  uiGetHtml (const std::map< std::string, std::string > &value, const std::string &text, std::string &html)
DllSpec int  uiGetHtmlURL (int display, const std::map< std::string, std::string > &value, const std::string &url, std::string &html)
DllSpec int  uiGetHtmlURL (const std::map< std::string, std::string > &value, const std::string &url, std::string &html)
DllSpec std::string  uiGetURLPath (int display, const std::string &url)
DllSpec std::string  uiGetURLPath (const std::string &url)
DllSpec int  uiScreenshotPNG (int display, const char *filename)
DllSpec int  uiScreenshotPNG (const char *filename)
DllSpec int  uiScreenshotPNG (int display, const char *filename, int x, int y, int w, int h)
int  uiScreenshotPNG (const char *filename, int x, int y, int w, int h)
DllSpec int  uiScreenshotPNGData (int display, std::vector< unsigned char > &data)
DllSpec int  uiScreenshotPNGData (std::vector< unsigned char > &data)
DllSpec int  uiScreenshotPNGData (int display, std::vector< unsigned char > &data, int x, int y, int w, int h)
int  uiScreenshotPNGData (std::vector< unsigned char > &data, int x, int y, int w, int h)
DllSpec int  uiURL2PNG (const char *filename, int width, int height, const std::map< std::string, std::string > &value, const std::string &url)
DllSpec int  uiURL2PNGData (std::vector< unsigned char > &data, int width, int height, const std::map< std::string, std::string > &value, const std::string &url)
DllSpec int  uiHTML2PNG (const char *filename, int width, int height, const std::map< std::string, std::string > &value, const std::string &text)
DllSpec int  uiHTML2PNGData (std::vector< unsigned char > &data, int width, int height, const std::map< std::string, std::string > &value, const std::string &text)
const DllSpec char *  uiLibVersion ()
const DllSpec char *  gui_GetVersion ()
const DllSpec char *  gui_GetSvcVersion (int display)
const DllSpec char *  gui_GetSvcVersion ()
DllSpec int  uiSetTransition (int display, int region_id, unsigned transtype, int duration_ms)
DllSpec int  uiSetTransition (int region_id, unsigned transtype, int duration_ms)
int  uiSetTransition (unsigned transtype, int duration_ms)
const DllSpec std::vector< UIErrorEntry > &  uiErrorList ()
const DllSpec UIStatistics &  uiStatistics ()
DllSpec std::string  uiScriptError ()
DllSpec int  uiGetIdleTime (int display=0)
DllSpec void  uiSetLogMask (unsigned mask)
DllSpec unsigned  uiGetLogMask (void)
DllSpec int  uiConfigLEDs (int display, UILEDShape shape, int width, int height, unsigned off_rgba, unsigned on0_rgba, unsigned on1_rgba, unsigned on2_rgba, unsigned on3_rgba)
DllSpec int  uiConfigLEDs (UILEDShape shape, int width, int height, unsigned off_rgba, unsigned on0_rgba, unsigned on1_rgba, unsigned on2_rgba, unsigned on3_rgba)
DllSpec int  uiConfigLEDs (int display, const char *filename)
DllSpec int  uiConfigLEDs (const char *filename)
DllSpec int  uiShowLEDArea (int display, UIEdge edge, int width, int height, unsigned bg_rgba)
DllSpec int  uiShowLEDArea (UIEdge edge, int width, int height, unsigned bg_rgba)
DllSpec int  uiHideLEDArea (int display)
DllSpec int  uiHideLEDArea ()
DllSpec int  uiSetLED (int display, unsigned led, bool state)
DllSpec int  uiSetLED (unsigned led, bool state)
DllSpec int  uiSetBacklightConfig (int display, const std::vector< UIBacklight > &levels)
DllSpec int  uiGetBacklightConfig (int display, std::vector< UIBacklight > &levels)
DllSpec int  uiSetBacklightLevel (int display, int level)
DllSpec int  uiGetBacklightLevel (int display, int &level)
DllSpec int  uiSetInput (int display, int region_id, const std::string &name, const std::string &value)
int  uiSetInput (int region_id, const std::string &name, const std::string &value)
DllSpec int  uiRunAction (int display, int region_id, const std::string &name)
int  uiRunAction (int region_id, const std::string &name)
DllSpec int  uiRunAction2 (int display, int region_id, const std::string &name)
int  uiRunAction2 (int region_id, const std::string &name)
DllSpec int  uiAddOption (int display, int region_id, const std::string &name, const std::string &value, const std::string &text, const std::string &style="", const std::string &action="", int position=-1)
int  uiAddOption (int region_id, const std::string &name, const std::string &value, const std::string &text, const std::string &style="", const std::string &action="", int position=-1)
DllSpec int  uiScrollOption (int display, int region_id, const std::string &name, const std::string &value, UIScrollPosition pos)
int  uiScrollOption (int region_id, const std::string &name, const std::string &value, UIScrollPosition pos)
DllSpec int  uiRemoveOption (int display, int region_id, const std::string &name, const std::string &value)
int  uiRemoveOption (int region_id, const std::string &name, const std::string &value)
DllSpec int  uiDisablePINOK (int display=0)
DllSpec int  uiEnablePINOK (int display=0)
DllSpec int  uiUpdate (int display, int region_id, const std::string &name, const std::string &html)
int  uiUpdate (int region_id, const std::string &name, const std::string &html)
DllSpec int  uiBeep (int display, UIBeep beep)
int  uiBeep (UIBeep beep)
DllSpec int  uiNagScreen (int display, enum UINagScreenType type, int hide, int show)
DllSpec int  uiCanvas (int display, int region_id, uiEventCallback cb, void *data=0)
int  uiCanvas (int region_id, uiEventCallback cb, void *data=0)
DllSpec int  uiDraw (int display, int region_id, const UIDrawing &drawing)
int  uiDraw (int region_id, const UIDrawing &drawing)
DllSpec int  uiDrawAsync (int display, int region_id, const UIDrawing &drawing, uiAsyncCallback cb=0, void *data=0)
int  uiDrawAsync (int region_id, const UIDrawing &drawing, uiAsyncCallback cb=0, void *data=0)
DllSpec int  uiTextMetrics (int display, int region_id, const std::string &font, int size, unsigned style, std::vector< UITextWidth > &width, int &height, int &descent)
int  uiTextMetrics (int region_id, const std::string &font, int size, unsigned style, std::vector< UITextWidth > &width, int &height, int &descent)
const DllSpec char *  uiDataURLType (const std::string &in)
DllSpec bool  uiDataURLToString (std::string &out, const std::string &in)
DllSpec bool  uiDataURLToFile (const char *filename, const std::string &in)

Data Structure Documentation

◆ vfigui::UIRegion

struct vfigui::UIRegion

structure describing the position and size of an output region

Data Fields
int bottom

bottom position in pixels (+=height if negative)

int flags

flags: UI_REGION_FLAG_HIDDEN

int id

region ID, 0 is the default region

int left

left position in pixels (+=width if negative)

int right

right position in pixels (+=width if negative)

int top

top position in pixels (+=height if negative)

◆ vfigui::UIStatistics

struct vfigui::UIStatistics

Statistics information

Collaboration diagram for UIStatistics:
Collaboration graph

[legend]

Data Fields
TimeStamp css

css loading and parsing has finished

TimeStamp draw

sending drawing commands to gfx system has finished (initial drawing of the HTML page)

TimeStamp html

html loading, parsing and layout has finished

TimeStamp start

starting time

◆ vfigui::UIBacklight

struct vfigui::UIBacklight

backlight brightness level

Data Fields
unsigned brightness

brightness level (0..100)

unsigned timeout

timeout in milliseconds after which to switch to the next level (if there is another one)

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