Lvgl flags

Lvgl flags. x=0; y=0 coordinate means Here is one recommended order of documents to read and things to play with when you are learning to use LVGL: Read the Introduction page of the documentation (5 minutes) Read the Quick overview page of the documentation (15 minutes) Check out the Platform-specific tutorials. Feb 16, 2022 · Update lvgl to the latest version -> 8. LVGL (Light and Versatile Graphics Library) is a free and open-source graphics library providing everything you need to create an embedded GUI with easy-to-use graphical elements, beautiful visual effects and a low memory footprint. LV_OBJ_FLAG_OVERFLOW_VISIBLE Do not clip the children's content to the parent's boundary. The only difference is that it displays user-defined images in each state instead of drawing a rectangle. pointer to the created button. clear the clickable flag and set all colors to have an opacity of 0. Learn more here . lv_theme_t * lv_theme_default_init (lv_display_t * disp, lv_color_t color_primary, lv_color_t color_secondary, bool dark, const lv_font_t * font Dec 8, 2021 · I’m using LVGL and Zephyr v2. Angle has 0. Add LV_FLAD_OVERFLOW_VISIBLE. Jan 10, 2022 · Widgets¶. Powerful building blocks such as buttons, charts, lists, sliders, images etc. 10. An object can have multiple states at once (e. It's quite typical that an LVGL widget is interested in some messages. Integration and Drivers. ) support min-width, max-width, min-height, max-height. The default range is 0. Pressing the “Tab” button focuses the next object but it might be out of the visible area of the scrollable object. You can select whether you'd like software rotation or hardware rotation. 9. STDIO (Linux and Windows using C standard function . Oct 1, 2021 · Description I interfaced lvgl library with my microcontroller. In sdkconfig i checked “lvgl minimal configuration”, i’m trying to see if there’s something i can do with my code (eg the flush_cb) or my configuration to get Nov 17, 2023 · LVGL library provides a series of widgets for building basic elements of the user interface. scr_act())slider. If the Tile view is screen sized, the user interface resembles what you may have seen libjpeg-turbo decoder. It requires one FB in MCU, external RAM or display controller, a graphics buffer for the LVGL larger May 24, 2023 · Note that the background object is not required. The scroll momentum can be enabled/disabled with the LV_OBJ_FLAG_SCROLL_MOMENTUM flag. Timers. Each widget has unique functionality and style, and you can customize their appearance and behavior by setting properties and styles to meet the Jun 27, 2023 · I saw that one could add user flags to any object, so when creating the elements (say the header button), I set that flag via. The knob can be made larger with the padding values. LV_USE_REFR_DEBUG in lv_conf. Jan 10, 2022 · Get LVGL; Use lvgl_esp32_drivers in your project. Hello, I have been trying to get this to work for a time now: Disable input from "background" with messagebox Oct 6, 2023 · Hello, a few months ago a blog post was released showing off LVGL with Dave2D on the Renesas RA6M3 microcontroller: Riverdi cooperation, Renesas GPU, RT-Thread board certification, and LVGL-Zig experiments | LVGL’s Blog I have heard that LVGL v9 will have more support for GPUs, is Dave2D support (using Renesas’ driver for it) also planned? Right now there is an implementation of course Mar 17, 2024 · Widgets¶. If the children are arranged into a grid-like layout then the up, down, left and right arrows move focus to the nearest sibling in the respective direction. [中文] Introduction ¶. These widgets include but are not limited to buttons, labels, text boxes, lists, sliders and charts. If lv_obj_add_flag(obj, LV_OBJ_FLAG_EVENT_BUBBLE) is enabled all events will be sent to an object's parent too. Fonts. Obtaining LVGL; Configuration; Using lvgl_esp32_drivers in ESP-IDF project; Arduino. Upon assignment, the target part ( pseudo-element in CSS) and Custom events. Your driver can and should assume that the screen width and height have not changed. I don’t think that I have a memory leak, since I initialize all the styles only at startup and the objects, once Nov 15, 2023 · What LVGL version are you using? LVGL 8. Jul 1, 2021 · Attaching it to the scrollable object gets the handler called, but does not seem to disable the animation for me. Nov 10, 2021 · Overview. But now the top left icon is missing. defslider_event_cb(evt):slider=evt. The functions and functionalities of the Base Jul 12, 2021 · Simply add or clear the flag as follows, where obj is the object you want to hide or display: lv_obj_add_flag (obj, LV_OBJ_FLAG_HIDDEN); lv_obj_clear_flag (obj, LV_OBJ_FLAG_HIDDEN); Mohammad_Fakhr November 9, 2021, 10:40am 3. It's similar to class in CSS. For example, lv_anim_speed_to_time(20, 0, 100) will yield 5000 milliseconds. . Create a Keyboard object . LVGL needs just one simple driver function to copy an array of pixels into a given area of the display. They can be used to automatically arrange the children into a line or column, or in much more complicated forms. Seems like the instructions are not accesible for me using the arduino ide. It doesn't matter how the children are positioned, as only the We are Hiring an and an OpenGL expert ! ». i think lvgl needs. It will move the scrollable container to show a child. Try to avoid calling LVGL functions from interrupt handlers (except lv_tick_inc () and lv_display_flush_ready () ). Enums. LVGL ends its collaboration with SquareLine Studio. In this git repository, I placed my modified lv_port_stm32f429_disco v6 and v7 versions of the project. See the widgets' documentation to learn when they are sent, Custom events are added by the user and are never sent by LVGL. Is it using C or can i achieve it on Micropython? I hit a snag on what i am working on Apr 14, 2023 · Description. bool lv_obj_get_flag (lv_obj_t* object,enum flag) so if i want to check if flag is set or not i can just read it. What do you want to achieve? What have you tried so far? i tried to clear the state focused by : lv_obj_clear_state(btn_left,LV_STATE_FOCUSED); i tried to clear the flag click focusable : lv_obj_clear_flag(btn_left, LV_OBJ_FLAG_CLICK_FOCUSABLE); Screenshot and/or video. Hi all, i’m trying to use a 1024x600 sized screen with double frame buffer, i did all the optimizations possible with esp lcd rgb library, i managed to get 15 fps. center()# Align to the center of the parent (screen The keyboard has a default event handler callback called lv_keyboard_def_event_cb (), which handles the button pressing, map changing, the assigned text area, etc. Styles can be assigned to objects to change their appearance. Built in support for SDL based GPU drawing. In shorts this means: the set coordinates (size, position, layouts, etc) are stored in styles. Use lv_display_set_flush_cb(disp, my_flush_cb) to set a new flush_cb. The 'Base Object' implements the basic properties of widgets on a screen, such as: coordinates. lib_deps = lvgl/lvgl@7. For example, if the SD card is associated with the letter 'S', a file can be reached like "S:path/to/file. If enabled the children of an object won’t be clipped to the boundary of the object. A font is stored in a lv_font_t variable and can be set in a style's text_font field. The default control maps are preconfigured to only show the popovers on keys that produce a symbol and not on e. g open, read) WIN32 (Windows using Win32 API function . parent-- pointer to an object, it will be the parent of the new keyboard GitHub Simulator. children. The concept in a nutshell is as follows: - A style is an lv_style_t variable which can hold properties like border width, text color and so on. The timers are non-preemptive, which means a timer cannot interrupt another timer. The example code has been tested on the STM32F746-based Nucleo-F746ZG board with an ST7789-based LCD panel connected via SPI. lv_display_flush_ready(disp) needs to be called when flushing is ready to inform LVGL the buffer is not used anymore by the driver and it can render new content into it. Creating new project with LVGL; HW acceleration for Renesas RA6M3 platforms; Arduino. Elastic scroll Normally an object can't be scrolled past the extremeties of its content. LVGL has a File system module to provide an abstraction layer for various file system drivers. (To exit the serial monitor, type Ctrl-] . g fopen, fread) POSIX (Linux and Windows using POSIX function . The time of the animation can be set by lv_page_set_anim_time (page, anim_time) in milliseconds. If the “scroll on focus” features is enabled LVGL will automatically scroll to the objects to bring the children into the view. The Tile view is a container object whose elements (called tiles) can be arranged in grid form. 1, if that makes any difference. This is it works if the scrollable object is the Interrupts. 100, and the default drawing direction is from left to right in horizontal mode and LVGL supports rotation of the display in 90 degree increments. Add this line to your platformio. Key features ¶. Several 3rd party libraries are merged directly into LVGL. Select the Color format. space. org. In short this means: Explicitly set coordinates are stored in styles (size, position, layouts, etc. Parameters: obj-- pointer to an object . Get the LVGL Ardunio library; Set up drivers; Configure LVGL; Configure the examples; Initialize LVGL and run an example; Debugging and logging; Micropython. LV_LOG_LEVEL_WARN: Log if something unwanted happened but didn't cause a problem. Aug 9, 2021 · lv_coord_t differenceToScroll = - (outOfView - currScrollPos); //this will bring the bottom of the table into view. What is RT-Thread? How to run LVGL on RT-Thread? FreeRTOS; Zephyr. Nov 30, 2023 · Description I’m using LVGL in FreeRTOS with the LV_MEM iwith a size of nearly 5 MB in external SDRAM but still I’m getting the message “Out of memory, can’t allocate a new buffer (increase your LV_MEM_SIZE/heap size)” from time to time (most of the time it works fine). You can remove it and replace it with a custom event handler if you wish. Overview. set_text(str(slider. The application itself and the hardware configuration code were Light and Versatile Graphics Library (LVGL) The LVGL is an open-source lightweight embedded graphics library, for displays and various input devices, providing easy-to-use graphical elements, attractive visual effects and a low memory footprint. LVGL has a built-in timer system. set it as the top most object. c Some examples are called, including btn First draw the object on the layer, then scale down layer opacity factor. get_target()# Refresh the textlabel. The timers are handled and called in lv_timer_handler (), which needs to be called every few milliseconds. Previously it was LV_THEME_MATERIAL_FLAG_LIGHT. Detailed introduction: https://libjpeg-turbo. pdf. 0. bin file that must be stored separately and read using the file support. In LVGL fonts are collections of bitmaps and other information required to render the images of the letters (glyph). Cross-platform - Any Windows, Linux or macOS system can run the PC simulator. Layouts can update the position and size of an object's children. LV_LOG_LEVEL_ERROR: Only critical issues, where GitHub Simulator. Some of the most important features are. LV_OBJ_FLAG_LAYOUT_2 Custom flag, free to use by layouts. May 23, 2023 · EDIT: The discussion here has gotten a bit off-topic and essentially started being about this issue: Disable input from "background" with messagebox - #2 by Tinus. 0 What happened? I'm upgrading LVGL from v8. It's similar to a class in CSS. LVGL has a 'File system' abstraction module that enables you to attach any type of file system. enum lv_obj_class_editable_t . Functions. Micropython. In LVGL scrolling works very intuitively: if an object is out of its parent content area (the size without paddings), the parent becomes scrollable and scrollbar (s) will appear. h and . You can register a function to have it be called periodically. If you use a custom keymap, set the LV_BTNMATRIX_CTRL_POPOVER flag for all keys that you want to show a popover. void January 10, 2023, 11:52am 1. To rotate the image use lv_image_set_rotation(img, angle). item = lv_list_add_text (list, label); lv_obj_add_flag (item, LV_OBJ_FLAG_USER_1); and then in my theme’s theme_apply cb (using a modified version of the default theme) All objects (such as Buttons/Labels/Sliders etc. Unspecified properties will use a default value. Choosing a binary will generate a . The first time you run idf. What is Micropython? Why Micropython + LVGL? So Sep 13, 2022 · 在LVGL 9版本中，引入了一些强大的新功能，其中包括Flags标识和Group组。这两个概念为LVGL用户提供了更灵活、更高效的图形界面开发工具。 Feb 18, 2024 · LVGL version v9. Give the image a name that will be used within LVGL. I’m on an ESP32 S3, building in Platformio on a Debian system. It can be changed with lv_image_set_pivot(img, pivot_x, pivot_y) . child doesn't have to be a direct child of the page. v8. Base object (lv_obj) Core widgets; Extra widgets; Next Previous Check if a given flag or all the given flags are set on an object. could you please write a piece of code to hide cursor of textarea or spinbox. LV_OBJ_FLAG_FLOATING Do not scroll the object when the parent scrolls and ignore layout. (in this section below). I just wanted to suggest the same and usually I do it as well. Move your lv_conf. 8° set 458. By no means a complete implementation of the standard but subsets of CSS were implemented (sometimes with minor adjustments). For example: LV_PART_KNOB A rectangle (or circle) drawn at left or right side of the indicator. Select the type of image you want. set_width(200)# Set the widthslider. Edit on GitHub. But if you need to do this you have to disable the interrupt which uses LVGL functions while lv_timer_handler () is running. See Porting for more information. Add ffmpeg decoder support to play videos and open a wide variety of 4 days ago · Renderers and GPUs — LVGL documentation. I use v6 and v7 to compare the code size in this git repository. Tested on Windows 10, SDL2 and MicroPython online. Here is what I found out after I integrated lvgl library into my project: Case1: I disabled almost everything in lv_config. Even without scrollbar, the problem exists. 3 to v9. 0 and master; Reproduce the issue in a Simulator; Describe the bug. pressed and checked). This guide is intended to be a step-by-step instruction of how to configure the STM32Cube HAL with the new TFT-LCD display drivers introduced in LVGL v9. It Aug 21, 2021 · States are just bit flags stored within an object. lv_obj_scroll_by(lv_right_consol, 0, differenceToScroll, LV_ANIM_ON); } } return; } You can also have a look at the following (from the official docs) " The “scroll one” feature tells LVGL to allow scrolling only one snappable Jan 31, 2022 · Among many fixes and minor updates these are the most important features in v8. the left button is highlighted When the user scrolls an object and releases it, LVGL can emulate inertial momentum for the scrolling. Let's take a look at this code: lv_obj_set_style_img_recolor( Functions. What is Zephyr? How to run LVGL on Zephyr? Leveraging Zephyr Features; Where can I find more information? PX5 RTOS; Bindings. The driver (CH1120) uses 4-bit grayscale, so every byte contains two pixels (16 values of grayscale per pixel). Also uses all the typical background properties to describe the knob (s). 8. You can set a left, right and center image, and the center image will be repeated to match the width of the object. It's a better approach to simply set a flag or some value in the interrupt, and periodically 6 days ago · make — LVGL documentation. 7 to drive a 128x32 resolution OLED display. A scrolling text will show up on the LCD as expected. Much faster circle drawing in the software renderer. What is Micropython? Highlights of Micropython; Why Micropython + LVGL? Here are some advantages of using Overview. ini (This one locks a specific version, check platform io for syntax for other version rules. Must have 0 value to let zero initialized class inherit If lv_obj_add_flag(obj, LV_OBJ_FLAG_EVENT_BUBBLE) is enabled all events will be sent to an object’s parent too. By default, the pivot point of the rotation is the center of the image. Values: enumerator LV_OBJ_CLASS_EDITABLE_INHERIT . Create a slider in the center of the displayslider=lv. To enable logging, set LV_USE_LOG in lv_conf. By default, the knob is square (with an optional corner radius) with side length equal to the smaller side of the slider. If you select software rotation (sw_rotate flag set to 1), LVGL will perform the rotation for you. g. This way only it’s area will be redrawn. txt". (10 minutes) Port LVGL to a board. The animation time is set by the styles' anim_time property. For example: lv_style_set_text_font(&my_style, LV_STATE_DEFAULT, &lv_font_montserrat_28); /*Set a larger font*/. Get the LVGL Arduino library; Set up drivers; Configure LVGL; Initialize and run LVGL; Use the examples and demos; Debugging and logging; Micropython. How to get started with NuttX and LVGL? Where can I find more information? RT-Thread RTOS. if i want to toggle visibility of object to make it blink on screen i need to make bool variable and check everytime if it true or false and so on. h extract: Get LVGL; Use lvgl_esp32_drivers in your project. Renderers and GPUs. 0 and newer, adding an event handler to the keyboard does not remove the default event handler. ) Mar 17, 2024 · LVGL demo project for ESP32; Using LVGL in your ESP-IDF project; Using lvgl_esp32_drivers in ESP-IDF project; Renesas. Previous Next. That's it. LVGL 8. note: In 8. Get the LVGL Arduino library; Set up drivers; Configure LVGL; Initialize and run LVGL; Use the examples and demos; Debugging and logging Jul 30, 2020 · When I change LV_THEME_DEFAULT_FLAG to LV_THEME_MATERIAL_FLAG_DARK, the background is now in black with white text. Using the simulator on a PC has the following advantages: Hardware independent - Write code, run it on the PC and see the result on a monitor. no other states are applied). bool lv_obj_has_flag_any (const lv_obj_t * obj, lv_obj_flag_t f) Check if a given flag or any of the flags are set on an Jul 26, 2023 · I’m trying to build LVGL with an RLottie lib and I’m receiving some errors. attributes like Clickable, Scrollable, etc. parent -- pointer to an object, it will be the parent of the new button. LV_OBJ_FLAG_WIDGET_1 Custom flag, free to use by widget LVGL (Light and Versatile Graphics Library) is a free and open-source graphics library providing everything you need to create embedded GUI with easy-to-use graphical elements, beautiful visual effects and low memory footprint. It can arrange items into rows or columns (tracks), handle wrapping, adjust the spacing between the items and tracks, handle grow to make the item (s) fill the remaining space with respect to min/max width and height. Support for ESP32-S2; Arduino. center()# Align to the center of the parent (screen Similarly to many other parts of LVGL, the concept of setting the coordinates was inspired by CSS. They are not exclusive values anymore like the object-specific ones were in v7. What is Micropython? Highlights of Micropython; Why Micropython + LVGL? Here are some advantages of using LVGL has by no means a complete implementation of CSS but a comparable subset is implemented (sometimes with minor adjustments). It's like the object was thrown and scrolling slows down smoothly. slider(lv. The file system is identified by a drive letter. PDF version: LVGL. Grid navigation (gridnav for short) is a feature that changes the currently focused child object as arrow keys are pressed. 1 Have these two build flags in paltformio. LV_LOG_LEVEL_INFO: Log important events. Parameters:. Log level. Returns. c there). Subscribe with an lv_obj ¶. In short, the issue is that I was also setting the CLICKABLE flag on the roller’s children, which should not happen. There seems to be a behaviour change when calling lv_obj_remove_flag() (formerly lv_obj_clear_flag()). libjpeg-turbo is a JPEG image codec that uses SIMD instructions to accelerate baseline JPEG compression and decompression on x86, x86-64, Arm, PowerPC, and MIPS systems, as well as progressive JPEG compression on x86, x86-64, and Arm systems. File system. Styles in lvgl are heavily inspired by CSS. Overview ¶. h to the platformio src directory of your project (I place all my . g CreateFileA, ReadFile) LITTLEFS (a little fail To enable key popovers on press, like on common Android and iOS keyboards, use lv_keyboard_set_popovers (kb, true). File System Interfaces. LV_STATE_DEFAULT is a special constant used to indicate the default state (i. If a new message is published with msg_id an LV_EVENT_MSG_RECEIVED event will be sent to the object. 0: Abstract render layer to make it easier to attack external draw engines. contains the styles. There is something to change other than COLOR_PRIMARY and SECONDARY, I believe. So you can create the message box only once at the beginning and make it non-hidden. To make it simpler lv_msg_subsribe_obj (msg_id, obj, user_data) can be used. lv_conf. However the Special events are specific to a particular widget type. [中文] Nov 2, 2022 · The current lvgl will determine the direction of the responsive scrolling according to the scrolling axis of the component when it is clicked. Not all properties have to be specified. ) regardless their type receive the Input device, Drawing and Other events. Aug 14, 2021 · Scroll on focus. In main. May 24, 2023 · Kevin: When you are going to make a message box create an object that is the entire size of the display. See here: To Reproduce The lv_anim_speed_to_time(speed, start, end) function calculates the required time in milliseconds to reach the end value from a start value with the given speed. Any object can be scrollable including lv_obj_t, lv_img, lv_btn, lv_meter, etc. Value 0, LV_OPA_0 or LV_OPA_TRANSP means fully transparent, 255, LV_OPA_100 or LV_OPA_COVER means fully covering, other values or LV_OPA_10, LV_OPA_20, etc means semi transparency. Create a button object. h, everything May 20, 2020 · Using platformio managed lvgl is very simple. Build systems. h and set LV_LOG_LEVEL to one of the following values: LV_LOG_LEVEL_TRACE: A lot of logs to give detailed information. get_value()))## Create a slider and write its value on a label. LVGL might render the screen in multiple chunks and therefore call flush_cb multiple times. However, the Special events are specific to a particular widget type. Using LV_OBJ_FLAG_OVERFLOW_VISIBLE seems to have a bug with correctly drawing overflow in y-direction. The speed is interpreted in unit/sec dimension. See the widgets' documentation to learn when they are sent, Custom events are added by the user and therefore these are never sent by LVGL. Introduction ¶. In object-oriented thinking, it is the base class from which all other objects in LVGL are inherited. Welcome to the documentation of LVGL! Edit on GitHub. When the scroll axes of two components are perpendicular to each other, lvgl will take the scrolling direction of the first clicked component as the scrolling direction of the response, not the actual LVGL supports rotation of the display in 90 degree increments. Everything works great, except one issue: The flash memory footprint is high. Parameters. If you can do this with your display then you can use that display with LVGL. Monitors with HDMI port. lv_obj_t * lv_keyboard_create (lv_obj_t * parent) . The position and size set by the layout overwrites the "normal" x, y, width, and height settings. 1 Reproduce the issue in a Simulator <- N/A, compile issue happens in A An object on a page can be focused with lv_page_focus (page, child, LV_ANIM_ONO/FF) . py for the example will cost extra time as the build system needs to address the component dependencies and downloads the missing components from registry into managed_components folder. Hi, I’m new to LVGL. I'm running v8. e. LV_OBJ_FLAG_LAYOUT_1 Custom flag, free to use by layouts. I don’t expect the Zephyr / LVGL Kconfig flags to support this off the bat, but am curious what current_pixel_format and screen_info variables should be set To set an initial value use lv_slider_set_value(slider, new_value, LV_ANIM_ON / OFF). f-- the flag(s) to check (OR-ed values can be used) Returns: true: all flags are set; false: not all flags are set . Just wondering if anyone has any advice to get this to work. 1 is minor release so besides many fixes it contains a lot of new features too. h can help to visualize the redrawn areas. Jan 10, 2023 · Feature request. 0;0 is the top left corner. then create the message box on top of that object. The target parameter of the event is always the current target object, not the original object. What is Micropython? Highlights of Micropython; Why Micropython + LVGL? Here are some advantages of using LVGL Jun 28, 2020 · Description. For example, in the case of lv_obj_set_x () unit is pixels LVGL will run on a simulator environment on the PC where anyone can write and experiment with real LVGL applications. The quality of the transformation can be adjusted with lv_image Overview — LVGL documentation. To make an object flex container call lv_obj_set_layout(obj, LV File system ¶. 3. Small monochrome displays. have pixel, percentage, and "content" units. 1 degree precision, so for 45. The concept in nutshell is the following: A style is an lv_style_t variable which can hold properties, for example border width, text color and so on. Aug 20, 2022 · Perform all steps below and tick them with [x] Read the FAQ Check the related part of the Documentation Update lvgl to the latest version <- Running with version 8. You can crate the message box directly on lv_layer_top() and make only the message box hidden/visible, and layer top clickable/not clickable. A user can navigate between the tiles by swiping. Add LVGL as an RT-Thread and ESP32 component. The Image button is very similar to the simple 'Button' object. ##. Rlottie builds fine, and I can reference it using -Lrlottie as a build_flag. h: lvgl RAM usage: 32,660 bytes lvgl Flash usage: 170,012 bytes Case 2: I enabled only button, and label in lv_config. h, the animation, anti-aliasing, shadow, group, file system are turned off. . May 24, 2023 · Hello, I have been trying to get this to work for a time now: Disable input from "background" with messagebox - #2 by Tinus It all seemed to work fine, however I notice that the lv_roller elements in my application are really unresponsive after the LV_OBJ_FLAG_CLICKABLE has been cleared and then added again. Base object (lv_obj) Core widgets; Extra widgets; Next Previous Layout Overview. The Flexbox (or Flex for short) is a subset of CSS Flexbox. parent object. All objects (such as Buttons/Labels/Sliders etc. If the parent also has LV_OBJ_FLAG_EVENT_BUBBLE enabled the event will be sent to its parent and so on. Imagine that there a lot of objects in a group that are on scrollable object. Check the base class. ). lv_obj_t *lv_btn_create(lv_obj_t *parent) ¶. Any direction of swiping can be disabled on the tiles individually to not allow moving from one tile to another. My modifications are: In lv_conf. 2. To specify the range (min, max values), lv_slider_set_range(slider, min, max) can be used. h is included and LV_USE_RLOTTIE is set to Oct 31, 2019 · Description UI Optimization What MCU/Processor/Board and compiler are you using? ESP32 What do you want to achieve? What have you tried so far? On page 6 of the documentation, there are some tips on how to improve ui performance. Choosing a variable will generate a standard C file that can be linked into your project. ini May 24, 2023 · Hello, I have been trying to get this to work for a time now: Disable input from "background" with messagebox - #2 by Tinus It all seemed to work fine, however I notice that the lv_roller elements in my application are really unresponsive after the LV_OBJ_FLAG_CLICKABLE has been cleared and then added again. Some examples of the supported display types: TFTs with 16 or 24 bit color depth. qg dh ov bs my yc oo aw qh ev