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Lvgl 9 #12

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6c93bd8
lvgl 9.4
themelisx Nov 10, 2025
c1ef3cb
wip
themelisx Nov 10, 2025
97efd20
Update main.cpp
themelisx Nov 10, 2025
963126b
wip
themelisx Nov 10, 2025
7e3711c
Merge branch 'main' into lvgl_9
themelisx Jan 24, 2026
35113ef
setNightMode
themelisx Jan 24, 2026
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1,597 changes: 1,144 additions & 453 deletions Weather/lib/lvgl/lv_conf.h
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4 changes: 2 additions & 2 deletions Weather/platformio.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,10 @@ platform_packages = platformio/framework-arduinoespressif32
build_flags =
-I./include
-D${PIOENV}
-D LV_CONF_PATH=lv_conf.h
-D LV_CONF_PATH=\"lv_conf.h\"

lib_deps =
lvgl/lvgl@8.3.11
lvgl/lvgl@^9.4.0
bblanchon/ArduinoJson@^7.4.2
bitbank2/PNGdec@^1.1.6
lovyan03/LovyanGFX@^1.2.7
Expand Down
9 changes: 3 additions & 6 deletions Weather/src/UI/ui.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// This file was generated by SquareLine Studio
// SquareLine Studio version: SquareLine Studio 1.4.1
// LVGL version: 8.3.11
// Project name: SquareLine_Project
// LVGL version: 9.1.0

#include "ui.h"
#include "ui_helpers.h"
Expand Down Expand Up @@ -48,9 +48,6 @@ lv_obj_t * ui____initial_actions0;
#if LV_COLOR_DEPTH != 16
#error "LV_COLOR_DEPTH should be 16bit to match SquareLine Studio's settings"
#endif
#if LV_COLOR_16_SWAP !=0
#error "LV_COLOR_16_SWAP should be 0 to match SquareLine Studio's settings"
#endif

///////////////////// ANIMATIONS ////////////////////

Expand All @@ -60,11 +57,11 @@ lv_obj_t * ui____initial_actions0;

void ui_init(void)
{
lv_disp_t * dispp = lv_disp_get_default();
lv_disp_t * dispp = lv_display_get_default();
lv_theme_t * theme = lv_theme_default_init(dispp, lv_palette_main(LV_PALETTE_BLUE), lv_palette_main(LV_PALETTE_RED),
false, LV_FONT_DEFAULT);
lv_disp_set_theme(dispp, theme);
ui_Screen1_screen_init();
ui____initial_actions0 = lv_obj_create(NULL);
lv_disp_load_scr(ui_Screen1);
}
}
4 changes: 2 additions & 2 deletions Weather/src/UI/ui.h
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// This file was generated by SquareLine Studio
// SquareLine Studio version: SquareLine Studio 1.4.1
// LVGL version: 8.3.11
// Project name: SquareLine_Project
// LVGL version: 9.1.0

#ifndef _SQUARELINE_PROJECT_UI_H
#define _SQUARELINE_PROJECT_UI_H
Expand Down Expand Up @@ -70,4 +70,4 @@ void ui_init(void);
} /*extern "C"*/
#endif

#endif
#endif
54 changes: 20 additions & 34 deletions Weather/src/UI/ui_Screen1.c
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Original file line number Diff line number Diff line change
@@ -1,25 +1,26 @@
// This file was generated by SquareLine Studio
// SquareLine Studio version: SquareLine Studio 1.4.1
// LVGL version: 8.3.11
// Project name: SquareLine_Project
// LVGL version: 9.1.0

#include "ui.h"
#include <lvgl.h>
#include "../include/configuration.h"

static void scroll_begin_event(lv_event_t* e)
{
/*Disable the scroll animations. Triggered when a tab button is clicked */
if (lv_event_get_code(e) == LV_EVENT_SCROLL_BEGIN) {
lv_anim_t* a = (lv_anim_t*)lv_event_get_param(e);
if (a) a->time = 0;
if (a) a->act_time = 0;

}
}

void event_handler(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * target = lv_event_get_target(e);
lv_obj_t * target = (lv_obj_t *)lv_event_get_target(e);

if(code == LV_EVENT_VALUE_CHANGED) {
if (target == ui_DayLight) {
Expand All @@ -31,27 +32,28 @@ void event_handler(lv_event_t * e)
void ui_Screen1_screen_init(void)
{
ui_Screen1 = lv_obj_create(NULL);
lv_obj_clear_flag(ui_Screen1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Screen1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_set_style_bg_color(ui_Screen1, lv_color_hex(0x000000), LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_bg_opa(ui_Screen1, 255, LV_PART_MAIN | LV_STATE_DEFAULT);

ui_TabView1 = lv_tabview_create(ui_Screen1, LV_DIR_TOP, 50);
ui_TabView1 = lv_tabview_create(ui_Screen1);

lv_obj_add_event_cb(lv_tabview_get_content(ui_TabView1), scroll_begin_event,LV_EVENT_SCROLL_BEGIN, NULL);
lv_obj_clear_flag(lv_tabview_get_content(ui_TabView1), LV_OBJ_FLAG_SCROLLABLE);

lv_tabview_set_tab_bar_size(ui_TabView1, 50);
lv_obj_set_width(ui_TabView1, 800);
lv_obj_set_height(ui_TabView1, 480);
lv_obj_set_align(ui_TabView1, LV_ALIGN_CENTER);
lv_obj_clear_flag(ui_TabView1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_TabView1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_set_style_bg_color(ui_TabView1, lv_color_hex(0x000000), LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_bg_opa(ui_TabView1, 255, LV_PART_MAIN | LV_STATE_DEFAULT);

lv_obj_set_style_bg_color(lv_tabview_get_tab_btns(ui_TabView1), lv_color_hex(0x424242),
lv_obj_set_style_bg_color(lv_tabview_get_tab_bar(ui_TabView1), lv_color_hex(0x424242),
LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_bg_opa(lv_tabview_get_tab_btns(ui_TabView1), 255, LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_bg_opa(lv_tabview_get_tab_bar(ui_TabView1), 255, LV_PART_MAIN | LV_STATE_DEFAULT);

lv_obj_set_style_text_color(lv_tabview_get_tab_btns(ui_TabView1), lv_color_hex(0xFFFFFF),
lv_obj_set_style_text_color(lv_tabview_get_tab_bar(ui_TabView1), lv_color_hex(0xFFFFFF),
LV_PART_ITEMS | LV_STATE_DEFAULT);
lv_obj_set_style_text_opa(lv_tabview_get_tab_btns(ui_TabView1), 255, LV_PART_ITEMS | LV_STATE_DEFAULT);
lv_obj_set_style_text_font(lv_tabview_get_tab_btns(ui_TabView1), &lv_font_arial_18,
Expand All @@ -72,7 +74,8 @@ void ui_Screen1_screen_init(void)
lv_obj_set_align(ui_Container1, LV_ALIGN_CENTER);
lv_obj_set_flex_flow(ui_Container1, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(ui_Container1, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_clear_flag(ui_Container1, LV_OBJ_FLAG_CLICKABLE | LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Container1, LV_OBJ_FLAG_CLICKABLE);
lv_obj_remove_flag(ui_Container1, LV_OBJ_FLAG_SCROLLABLE);
lv_obj_set_style_pad_row(ui_Container1, 15, LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_pad_column(ui_Container1, 0, LV_PART_MAIN | LV_STATE_DEFAULT);

Expand Down Expand Up @@ -104,7 +107,7 @@ void ui_Screen1_screen_init(void)
lv_obj_set_x(ui_Panel1, 0);
lv_obj_set_y(ui_Panel1, -8);
lv_obj_set_align(ui_Panel1, LV_ALIGN_CENTER);
lv_obj_clear_flag(ui_Panel1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Panel1, LV_OBJ_FLAG_SCROLLABLE); /// Flags

ui_Label3 = lv_label_create(ui_Container1);
lv_obj_set_width(ui_Label3, LV_SIZE_CONTENT); /// 1
Expand Down Expand Up @@ -193,7 +196,8 @@ void ui_Screen1_screen_init(void)
lv_obj_set_align(ui_Container2, LV_ALIGN_CENTER);
lv_obj_set_flex_flow(ui_Container2, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(ui_Container2, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_clear_flag(ui_Container2, LV_OBJ_FLAG_CLICKABLE | LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Container2, LV_OBJ_FLAG_CLICKABLE);
lv_obj_remove_flag(ui_Container2, LV_OBJ_FLAG_SCROLLABLE);
lv_obj_set_style_pad_row(ui_Container2, 15, LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_pad_column(ui_Container2, 0, LV_PART_MAIN | LV_STATE_DEFAULT);

Expand Down Expand Up @@ -223,7 +227,7 @@ void ui_Screen1_screen_init(void)
lv_obj_set_height(ui_Panel3, 1);
lv_obj_set_width(ui_Panel3, lv_pct(90));
lv_obj_set_align(ui_Panel3, LV_ALIGN_CENTER);
lv_obj_clear_flag(ui_Panel3, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Panel3, LV_OBJ_FLAG_SCROLLABLE); /// Flags

ui_Pressure = lv_label_create(ui_Container2);
lv_obj_set_width(ui_Pressure, LV_SIZE_CONTENT); /// 1
Expand Down Expand Up @@ -251,7 +255,7 @@ void ui_Screen1_screen_init(void)
lv_obj_set_height(ui_Panel2, 1);
lv_obj_set_width(ui_Panel2, lv_pct(90));
lv_obj_set_align(ui_Panel2, LV_ALIGN_CENTER);
lv_obj_clear_flag(ui_Panel2, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Panel2, LV_OBJ_FLAG_SCROLLABLE); /// Flags

ui_Label2 = lv_label_create(ui_Container2);
lv_obj_set_width(ui_Label2, LV_SIZE_CONTENT); /// 1
Expand Down Expand Up @@ -289,14 +293,14 @@ void ui_Screen1_screen_init(void)
lv_obj_set_style_text_opa(ui_ValueWindDirection, 255, LV_PART_MAIN | LV_STATE_DEFAULT);
lv_obj_set_style_text_font(ui_ValueWindDirection, &lv_font_arial_20, LV_PART_MAIN | LV_STATE_DEFAULT);

ui_Image1 = lv_img_create(ui_TabPageWeather);
ui_Image1 = lv_image_create(ui_TabPageWeather);
lv_obj_set_width(ui_Image1, LV_SIZE_CONTENT); /// 1
lv_obj_set_height(ui_Image1, LV_SIZE_CONTENT); /// 1
lv_obj_set_x(ui_Image1, 0);
lv_obj_set_y(ui_Image1, 14);
lv_obj_set_align(ui_Image1, LV_ALIGN_CENTER);
lv_obj_add_flag(ui_Image1, LV_OBJ_FLAG_ADV_HITTEST); /// Flags
lv_obj_clear_flag(ui_Image1, LV_OBJ_FLAG_SCROLLABLE); /// Flags
lv_obj_remove_flag(ui_Image1, LV_OBJ_FLAG_SCROLLABLE); /// Flags

ui_ValueDate = lv_label_create(ui_TabPageWeather);
lv_obj_set_width(ui_ValueDate, LV_SIZE_CONTENT); /// 1
Expand Down Expand Up @@ -360,24 +364,6 @@ void ui_Screen1_screen_init(void)
lv_obj_add_event_cb(ui_DayLight, event_handler, LV_EVENT_ALL, NULL);
lv_obj_add_state(ui_DayLight, LV_STATE_DEFAULT);

ui_DimOverlay = lv_obj_create(ui_Screen1);
lv_obj_remove_style_all(ui_DimOverlay); // no border/padding
lv_obj_set_size(ui_DimOverlay, LV_PCT(100), LV_PCT(100));
lv_obj_set_align(ui_DimOverlay, LV_ALIGN_CENTER);

// black semi transparent background
lv_obj_set_style_bg_color(ui_DimOverlay, lv_color_hex(0x000000), 0);
lv_obj_set_style_bg_opa(ui_DimOverlay, 0, 0); // initially "off"

// Do not block touch/scroll
lv_obj_clear_flag(ui_DimOverlay, LV_OBJ_FLAG_CLICKABLE);
lv_obj_clear_flag(ui_DimOverlay, LV_OBJ_FLAG_SCROLLABLE);
lv_obj_clear_flag(ui_DimOverlay, LV_OBJ_FLAG_SCROLL_CHAIN_HOR);
lv_obj_clear_flag(ui_DimOverlay, LV_OBJ_FLAG_SCROLL_CHAIN_VER);

// always in front
lv_obj_move_foreground(ui_DimOverlay);

}

void setNightMode(bool night) {
Expand Down
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