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Incorporate LVGL.
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‎plugins/gui/lvgl_static/.devcontainer/__CMakeLists.txt__

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cmake_minimum_required(VERSION 3.12)
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project (lv_emscripten)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -s USE_SDL=2")
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include_directories(${PROJECT_SOURCE_DIR})
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add_subdirectory(lvgl)
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file(GLOB MY_SOURCES "./*.c")
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set(SOURCES ${MY_SOURCES})
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add_executable(index ${SOURCES} ${INCLUDES})
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if(NOT LVGL_CHOSEN_DEMO)
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set(LVGL_CHOSEN_DEMO lv_demo_widgets)
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endif()
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set_source_files_properties(main.c PROPERTIES COMPILE_FLAGS -DCHOSEN_DEMO=${LVGL_CHOSEN_DEMO})
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set(CMAKE_EXECUTABLE_SUFFIX ".html")
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target_link_libraries(index
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lvgl
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lvgl_examples
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lvgl_demos
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lvgl_thorvg
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SDL2
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)
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set_target_properties(index PROPERTIES LINK_FLAGS "--shell-file ${PROJECT_SOURCE_DIR}/lvgl/.devcontainer/lvgl_shell.html -s SINGLE_FILE=1")

‎plugins/gui/lvgl_static/.devcontainer/__build_all.sh__

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cd build
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emcmake cmake ..
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emmake make -j$(nproc)
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echo "Built succesfully, opening index.html"
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code index.html

‎plugins/gui/lvgl_static/.devcontainer/__c_cpp_properties.json__

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{
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"configurations": [
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{
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"name": "Linux",
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"includePath": [
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"${workspaceFolder}/**",
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"/usr/local/emsdk/upstream/emscripten/cache/sysroot/include/"
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],
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"defines": [],
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"compilerPath": "/usr/bin/clang",
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"cStandard": "c17",
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"cppStandard": "c++14",
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"intelliSenseMode": "linux-clang-x64"
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}
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],
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"version": 4
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}

‎plugins/gui/lvgl_static/.devcontainer/__main.c__

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/**
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* @file main
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include <stdlib.h>
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#include <unistd.h>
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#define SDL_MAIN_HANDLED /*To fix SDL's "undefined reference to WinMain" issue*/
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#include <SDL2/SDL.h>
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#include <emscripten.h>
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#include "lvgl/lvgl.h"
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#include "lvgl/demos/lv_demos.h"
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#include "lvgl/examples/lv_examples.h"
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/*********************
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* DEFINES
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*********************/
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/*On OSX SDL needs different handling*/
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#if defined(__APPLE__) && defined(TARGET_OS_MAC)
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# if __APPLE__ && TARGET_OS_MAC
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#define SDL_APPLE
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# endif
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#endif
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void hal_init(void);
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static int tick_thread(void * data);
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static void memory_monitor(lv_timer_t * param);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_display_t * disp1;
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int monitor_hor_res, monitor_ver_res;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void do_loop(void *arg);
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/* Allows disabling CHOSEN_DEMO */
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static void lv_example_noop(void) {
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}
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int main(int argc, char ** argv)
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{
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monitor_hor_res = 800;
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monitor_ver_res = 480;
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printf("Starting with screen resolution of %dx%d px\n", monitor_hor_res, monitor_ver_res);
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/*Initialize LittlevGL*/
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lv_init();
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/*Initialize the HAL (display, input devices, tick) for LittlevGL*/
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hal_init();
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lv_demo_widgets();
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emscripten_set_main_loop_arg(do_loop, NULL, -1, true);
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}
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void do_loop(void *arg)
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{
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/* Periodically call the lv_timer handler.
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* It could be done in a timer interrupt or an OS task too.*/
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lv_timer_handler();
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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/**
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* Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics library
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*/
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static void hal_init(void)
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{
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lv_display_t * disp = lv_sdl_window_create(monitor_hor_res, monitor_ver_res);
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lv_group_t * g = lv_group_create();
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lv_group_set_default(g);
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lv_sdl_mouse_create();
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lv_indev_t * mousewheel = lv_sdl_mousewheel_create();
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lv_indev_set_group(mousewheel, lv_group_get_default());
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lv_indev_t * keyboard = lv_sdl_keyboard_create();
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lv_indev_set_group(keyboard, lv_group_get_default());
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}

‎plugins/gui/lvgl_static/.devcontainer/__settings.json__

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{
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"files.associations": {
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"sdl.h": "c"
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}
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}

‎plugins/gui/lvgl_static/.devcontainer/devcontainer.json

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{
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"image": "mcr.microsoft.com/devcontainers/universal:2",
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"features": {
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"ghcr.io/ebaskoro/devcontainer-features/emscripten:1": {}
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},
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"postCreateCommand": "chmod +x /workspace/lvgl_app/lvgl/.devcontainer/setup.sh; /workspace/lvgl_app/lvgl/.devcontainer/setup.sh",
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"postStartCommand": ". /usr/local/emsdk/emsdk_env.sh;",
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// Configure tool-specific properties.
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"customizations": {
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// Configure properties specific to VS Code.
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"vscode": {
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// Add the IDs of extensions you want installed when the container is created.
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"extensions": [
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//"searKing.preview-vscode"
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"analytic-signal.preview-html"
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]
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}
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},
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"hostRequirements": {
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"cpus": 4
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},
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"workspaceMount": "source=${localWorkspaceFolder},target=/workspace/lvgl_app/lvgl,type=bind",
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"workspaceFolder": "/workspace/lvgl_app"
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}

‎plugins/gui/lvgl_static/.devcontainer/lv_conf.defaults

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LV_COLOR_DEPTH 32
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LV_MEM_SIZE (1024 * 1024)
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LV_DRAW_THREAD_STACK_SIZE (64 * 1024)
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LV_USE_MATRIX 1
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LV_USE_FLOAT 1
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LV_USE_LOTTIE 1
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LV_USE_DRAW_SW_COMPLEX_GRADIENTS 1
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LV_OBJ_STYLE_CACHE 1
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LV_USE_LOG 1
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LV_LOG_PRINTF 1
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LV_USE_PERF_MONITOR 1
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LV_USE_SYSMON 1
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LV_USE_ASSERT_MEM_INTEGRITY 1
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LV_USE_ASSERT_OBJ 1
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LV_USE_ASSERT_STYLE 1
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LV_FONT_MONTSERRAT_12 1
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LV_FONT_MONTSERRAT_14 1
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LV_FONT_MONTSERRAT_16 1
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LV_FONT_MONTSERRAT_18 1
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LV_FONT_MONTSERRAT_20 1
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LV_FONT_MONTSERRAT_22 1
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LV_FONT_MONTSERRAT_24 1
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LV_FONT_MONTSERRAT_26 1
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LV_FONT_MONTSERRAT_28 1
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LV_FONT_MONTSERRAT_30 1
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LV_FONT_MONTSERRAT_32 1
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LV_FONT_MONTSERRAT_34 1
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LV_FONT_MONTSERRAT_36 1
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LV_FONT_MONTSERRAT_38 1
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LV_FONT_MONTSERRAT_40 1
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LV_FONT_MONTSERRAT_42 1
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LV_FONT_MONTSERRAT_44 1
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LV_FONT_MONTSERRAT_46 1
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LV_FONT_MONTSERRAT_48 1
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LV_FONT_MONTSERRAT_28_COMPRESSED 1
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LV_FONT_DEJAVU_16_PERSIAN_HEBREW 1
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LV_FONT_SIMSUN_16_CJK 1
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LV_FONT_UNSCII_8 1
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LV_USE_IMGFONT 1
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LV_USE_FS_STDIO 1
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LV_FS_STDIO_LETTER 'A'
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LV_USE_FS_MEMFS 1
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LV_FS_MEMFS_LETTER 'M'
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LV_USE_THORVG_INTERNAL 1
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LV_USE_LZ4_INTERNAL 1
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LV_USE_VECTOR_GRAPHIC 1
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LV_USE_TINY_TTF 1
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LV_USE_BARCODE 1
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LV_USE_QRCODE 1
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LV_USE_RLE 1
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LV_BIN_DECODER_RAM_LOAD 1
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LV_USE_TJPGD 1
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LV_USE_BMP 1
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LV_USE_LODEPNG 1
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LV_USE_SDL 1
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LV_USE_DEMO_WIDGETS 1
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LV_USE_DEMO_KEYPAD_AND_ENCODER 1
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LV_USE_DEMO_BENCHMARK 1
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LV_USE_DEMO_RENDER 1
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LV_USE_DEMO_STRESS 1
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LV_USE_DEMO_MUSIC 1
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LV_USE_DEMO_FLEX_LAYOUT 1
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LV_USE_DEMO_MULTILANG 1
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LV_USE_DEMO_TRANSFORM 1
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LV_USE_DEMO_SCROLL 1
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‎plugins/gui/lvgl_static/.devcontainer/setup.sh

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#!/bin/sh
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echo ". /usr/local/emsdk/emsdk_env.sh" >> /home/codespace/.bashrc
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cd /workspace/lvgl_app
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sudo chmod 777 .
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mkdir build
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mkdir vscode
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cd lvgl/.devcontainer
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cp __CMakeLists.txt__ ../../CMakeLists.txt
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cp __main.c__ ../../main.c
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cp __build_all.sh__ ../../build_all.sh
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cp __c_cpp_properties.json__ ../../.vscode/c_cpp_properties.json
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cp __settings.json__ ../../.vscode/settings.json
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touch ../../lv_conf.h
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../scripts/generate_lv_conf.py --template ../lv_conf_template.h --config ../../lv_conf.h
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chmod +x ../../build_all.sh

‎plugins/gui/lvgl_static/.gitignore

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**/*.o
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**/*bin
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**/*.swp
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**/*.swo
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**/*.gcda
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**/*.gcno
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tags
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docs/api_doc
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scripts/cppcheck_res.txt
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scripts/built_in_font/lv_font_*
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docs/doxygen_html
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docs/xml
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docs/examples.md
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docs/out_latex
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docs/_static/built_lv_examples
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docs/LVGL.pdf
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docs/env
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/docs/examples.rst
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/docs/API/
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out_html
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__pycache__
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/emscripten_builder
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test_screenshot_error.h
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build/
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tests/build_*/
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tests/report/
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tests/wayland_protocols/
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.DS_Store
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.vscode
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.idea
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*.bak
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tests/test_images/
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.vs/

‎plugins/gui/lvgl_static/.pre-commit-config.yaml

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# See https://pre-commit.com for more information
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# See https://pre-commit.com/hooks.html for more hooks
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repos:
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- repo: https://github.com/pre-commit/pre-commit-hooks
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rev: v3.2.0
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hooks:
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- id: trailing-whitespace
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- repo: local
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hooks:
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# Run astyle over the staged files with c and h extension found in the directories
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# listed in the files regex pattern. Ignoring the files in the exclude pattern.
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- id: format-source
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name: Formatting source files
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entry: astyle --options=scripts/code-format.cfg --ignore-exclude-errors
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stages: [ commit ]
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language: system
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pass_filenames: true
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verbose: true
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files: |
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(?x)^(
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demos/ |
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examples/ |
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src/ |
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tests/
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)
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exclude: |
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(?x)^(
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demos/high_res/fonts/ |
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src/libs/ |
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src/lv_conf_internal.h |
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tests/test_images
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)
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types_or: ["c", "header"]
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- repo: https://github.com/crate-ci/typos
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rev: v1.16.20
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hooks:
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- id: typos
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exclude: |
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(?x)^(
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src/libs/
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)

‎plugins/gui/lvgl_static/.typos.toml

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[files]
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extend-exclude = [
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".git/",
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"docs/_static/css/fontawesome.min.css",
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"docs/README_*",
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"src/libs/",
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"docs/CHANGELOG.rst"
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]
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ignore-hidden = false
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[default]
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extend-ignore-re = [
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"\\bser[^a-z]",
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"\\bfle[^a-z]",
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'"Lorem ipsum .*"',
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'ACI',
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"Nam consectetur",
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"U\\+[0-9A-F]{4}",
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'\{ "[a-z]+", "[^ -~]+" \},',
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"`[0-9a-f]{7} <https://\\S+>`__",
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"Rename lv_chart_clear_serie",
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"rename LV_ROLLER_MODE_INIFINITE",
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"CARD_INFO_SET\\(&img_multilang_avatar_.*\\)",
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"ACI\\)",
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]
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[default.extend-words]
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# https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6loca.html
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"loca" = "loca"

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