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chore: add lvgl 9.1 UI files
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‎examples/lvgl/squarelinestudio_lvgl_v8/README.md ‎examples/lvgl/squarelinestudio_lvgl/README.md

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> [!NOTE]
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> SquareLine Studio has ended its collaboration with LVGL. It only supports LVGL version 8 and earlier.
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# How to run the sketch:
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- move the `ui` folder into your `Arduino/libraries` directory
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- upload the sketch and see the magic!

‎examples/lvgl/squarelinestudio_lvgl_v8/squarelinestudio_lvgl_v8.ino ‎examples/lvgl/squarelinestudio_lvgl/squarelinestudio_lvgl.ino

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* 1. Create a SquareLine Studio project with the following settings:
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* - Resolution: 800x480
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* - Color depth: 16-bit
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* - LVGL version: 8.3.x (NOTE: It only supports LVGL version 8 and earlier.)
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* - LVGL version: 9.1
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* 2. Design your GUI using the drag-and-drop tool.
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* 3. Export the LVGL UI files.
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* 4. Open the exported file and copy the 'libraries/ui' folder into your 'Arduino/libraries' directory.
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#include "Arduino_GigaDisplayTouch.h"
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#include "lvgl.h"
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#include "ui.h"
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#include "ui/ui.h"
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/* Initialize the GIGA Display Shield with a resolution of 800x480 pixels */
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Arduino_H7_Video Display(800, 480, GigaDisplayShield);
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Arduino_GigaDisplayTouch Touch;
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#if (LVGL_VERSION_MAJOR >= 9)
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#error "SquareLine Studio has ended its collaboration with LVGL. It only supports LVGL version 8 and earlier."
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#endif
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void setup() {
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Display.begin();
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Touch.begin();

‎examples/lvgl/squarelinestudio_lvgl/ui/library.properties

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name=ui
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version=1.0
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author=SquareLine_Studio
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category=Display
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url=https://squareline.io
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architectures=*
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includes=ui.h
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sentence=SquareLine_Studio
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paragraph=Squareline Studio creates smart, user-friendly LVGL UI solutions.
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name=ui
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maintainer=Squareline Studio
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maintainer_email=contact@squareline.io
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‎examples/lvgl/squarelinestudio_lvgl/ui/src/CMakeLists.txt

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SET(SOURCES ui_comp_button.c
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ui_comp.c
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ui_Screen1.c
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ui.c
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ui_comp_hook.c
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ui_helpers.c
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ui_events.c)
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add_library(ui ${SOURCES})

‎examples/lvgl/squarelinestudio_lvgl/ui/src/filelist.txt

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ui_comp_button.c
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ui_comp.c
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ui_Screen1.c
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ui.c
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ui_comp_hook.c
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ui_helpers.c
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ui_events.c

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui.c

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#include "ui.h"
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#include "ui_helpers.h"
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///////////////////// VARIABLES ////////////////////
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// SCREEN: ui_Screen1
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void ui_Screen1_screen_init(void);
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lv_obj_t * ui_Screen1;
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lv_obj_t * ui_Button;
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lv_obj_t * ui_Label1;
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lv_obj_t * ui____initial_actions0;
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///////////////////// TEST LVGL SETTINGS ////////////////////
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#if LV_COLOR_DEPTH != 16
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#error "LV_COLOR_DEPTH should be 16bit to match SquareLine Studio's settings"
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#endif
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///////////////////// ANIMATIONS ////////////////////
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///////////////////// FUNCTIONS ////////////////////
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///////////////////// SCREENS ////////////////////
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void ui_init(void)
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{
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LV_EVENT_GET_COMP_CHILD = lv_event_register_id();
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lv_disp_t * dispp = lv_display_get_default();
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lv_theme_t * theme = lv_theme_default_init(dispp, lv_palette_main(LV_PALETTE_BLUE), lv_palette_main(LV_PALETTE_RED),
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false, LV_FONT_DEFAULT);
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lv_disp_set_theme(dispp, theme);
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ui_Screen1_screen_init();
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ui____initial_actions0 = lv_obj_create(NULL);
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lv_disp_load_scr(ui_Screen1);
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}

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui.h

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#ifndef _SQUARELINE_PROJECT_UI_H
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#define _SQUARELINE_PROJECT_UI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined __has_include
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#if __has_include("lvgl.h")
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#include "lvgl.h"
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#elif __has_include("lvgl/lvgl.h")
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#include "lvgl/lvgl.h"
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#else
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#include "lvgl.h"
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#endif
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#else
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#include "lvgl.h"
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#endif
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#include "ui_helpers.h"
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#include "ui_comp.h"
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#include "ui_comp_hook.h"
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#include "ui_events.h"
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// SCREEN: ui_Screen1
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void ui_Screen1_screen_init(void);
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extern lv_obj_t * ui_Screen1;
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extern lv_obj_t * ui_Button;
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extern lv_obj_t * ui_Label1;
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extern lv_obj_t * ui____initial_actions0;
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void ui_init(void);
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_Screen1.c

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#include "ui.h"
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void ui_Screen1_screen_init(void)
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{
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ui_Screen1 = lv_obj_create(NULL);
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lv_obj_remove_flag(ui_Screen1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
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ui_Button = ui_Button_create(ui_Screen1);
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lv_obj_set_width(ui_Button, lv_pct(30));
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lv_obj_set_height(ui_Button, lv_pct(20));
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lv_obj_set_x(ui_Button, 0);
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lv_obj_set_y(ui_Button, -3);
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ui_Label1 = lv_label_create(ui_Button);
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lv_obj_set_width(ui_Label1, lv_pct(100));
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lv_obj_set_height(ui_Label1, lv_pct(100));
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lv_obj_set_x(ui_Label1, 18);
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lv_obj_set_y(ui_Label1, 11);
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lv_obj_set_align(ui_Label1, LV_ALIGN_CENTER);
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lv_label_set_text(ui_Label1, "Button");
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lv_obj_set_style_text_font(ui_Label1, &lv_font_montserrat_46, LV_PART_MAIN | LV_STATE_DEFAULT);
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}

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_comp.c

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#include "ui.h"
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#include "ui_helpers.h"
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#include "ui_comp.h"
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uint32_t LV_EVENT_GET_COMP_CHILD;
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typedef struct {
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uint32_t child_idx;
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lv_obj_t * child;
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} ui_comp_get_child_t;
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lv_obj_t * ui_comp_get_child(lv_obj_t * comp, uint32_t child_idx)
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{
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ui_comp_get_child_t info;
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info.child = NULL;
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info.child_idx = child_idx;
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lv_obj_send_event(comp, LV_EVENT_GET_COMP_CHILD, &info);
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return info.child;
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}
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void get_component_child_event_cb(lv_event_t * e)
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{
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lv_obj_t ** c = lv_event_get_user_data(e);
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ui_comp_get_child_t * info = lv_event_get_param(e);
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info->child = c[info->child_idx];
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}
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void del_component_child_event_cb(lv_event_t * e)
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{
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lv_obj_t ** c = lv_event_get_user_data(e);
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lv_free(c);
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}

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_comp.h

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#ifndef _UI_COMP__H
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#define _UI_COMP__H
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#include "ui.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void get_component_child_event_cb(lv_event_t * e);
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void del_component_child_event_cb(lv_event_t * e);
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lv_obj_t * ui_comp_get_child(lv_obj_t * comp, uint32_t child_idx);
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extern uint32_t LV_EVENT_GET_COMP_CHILD;
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#include "ui_comp_button.h"
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_comp_button.c

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#include "ui.h"
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// COMPONENT Button
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lv_obj_t * ui_Button_create(lv_obj_t * comp_parent)
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{
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lv_obj_t * cui_Button;
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cui_Button = lv_button_create(comp_parent);
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lv_obj_set_width(cui_Button, 100);
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lv_obj_set_height(cui_Button, 50);
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lv_obj_set_x(cui_Button, 0);
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lv_obj_set_y(cui_Button, -3);
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lv_obj_set_align(cui_Button, LV_ALIGN_CENTER);
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lv_obj_add_flag(cui_Button, LV_OBJ_FLAG_SCROLL_ON_FOCUS); /// Flags
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lv_obj_remove_flag(cui_Button, LV_OBJ_FLAG_SCROLLABLE); /// Flags
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lv_obj_t ** children = lv_malloc(sizeof(lv_obj_t *) * _UI_COMP_BUTTON_NUM);
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children[UI_COMP_BUTTON_BUTTON] = cui_Button;
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lv_obj_add_event_cb(cui_Button, get_component_child_event_cb, LV_EVENT_GET_COMP_CHILD, children);
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lv_obj_add_event_cb(cui_Button, del_component_child_event_cb, LV_EVENT_DELETE, children);
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ui_comp_Button_create_hook(cui_Button);
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return cui_Button;
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}
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‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_comp_button.h

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#ifndef _UI_COMP_BUTTON_H
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#define _UI_COMP_BUTTON_H
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#include "ui.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// COMPONENT Button
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#define UI_COMP_BUTTON_BUTTON 0
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#define _UI_COMP_BUTTON_NUM 1
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lv_obj_t * ui_Button_create(lv_obj_t * comp_parent);
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_comp_hook.c

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#include "ui.h"
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void ui_comp_Button_create_hook(lv_obj_t * comp)
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{
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}

‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_comp_hook.h

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#ifndef _SQUARELINE_PROJECT_UI_COMP_HOOK_H
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#define _SQUARELINE_PROJECT_UI_COMP_HOOK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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void ui_comp_Button_create_hook(lv_obj_t * comp);
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif

‎examples/lvgl/squarelinestudio_lvgl_v8/ui/src/ui_events.h ‎examples/lvgl/squarelinestudio_lvgl/ui/src/ui_events.h

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// This file was generated by SquareLine Studio
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// SquareLine Studio version: SquareLine Studio 1.3.2
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// LVGL version: 8.3.6
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// Project name: ButtonTest
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// SquareLine Studio version: SquareLine Studio 1.4.1
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// LVGL version: 9.1.0
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// Project name: SquareLine_Project
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#ifndef _UI_EVENTS_H
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#define _UI_EVENTS_H

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