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feat(example/scroll): convert old scroll demo to an example (#9049)

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This commit is contained in:
André Costa
2025-10-26 10:29:11 +01:00
committed by GitHub
parent 1b5b484f27
commit a909bbbd13
15 changed files with 94 additions and 39 deletions
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.devcontainer/lv_conf.defaults
+1 -2
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@@ -66,5 +66,4 @@ LV_USE_DEMO_MUSIC 1
LV_USE_DEMO_FLEX_LAYOUT 1
LV_USE_DEMO_MULTILANG 1
LV_USE_DEMO_TRANSFORM 1
LV_USE_DEMO_SCROLL 1
Kconfig
-4
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@@ -2210,10 +2210,6 @@ menu "LVGL configuration"
bool "Render test for each primitives. Requires at least 480x272 display"
default n
config LV_USE_DEMO_SCROLL
bool "Scroll settings test for LVGL"
default n
config LV_USE_DEMO_STRESS
bool "Stress test for LVGL"
default n
configs/ci/docs/lv_conf_docs.defaults
-1
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@@ -80,7 +80,6 @@ LV_USE_DEMO_MUSIC 1
LV_USE_DEMO_FLEX_LAYOUT 1
LV_USE_DEMO_MULTILANG 1
LV_USE_DEMO_TRANSFORM 1
LV_USE_DEMO_SCROLL 1
LV_USE_DEMO_EBIKE 1
LV_USE_DEMO_HIGH_RES 1
LV_USE_DEMO_SMARTWATCH 1
demos/README.md
-3
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@@ -41,9 +41,6 @@
/* Widget transformation demo */
#define LV_USE_DEMO_TRANSFORM 0
/* Demonstrate scroll settings */
#define LV_USE_DEMO_SCROLL 0
...
```
docs/src/details/integration/embedded_linux/os/yocto/lvgl_recipe.rst
-4
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@@ -826,10 +826,6 @@ Content of ``0001-change-config-file-to-run-fbdev-with-2-threads.patch``
-#define LV_USE_DEMO_TRANSFORM 1
+#define LV_USE_DEMO_TRANSFORM 0
/* Demonstrate scroll settings */
-#define LV_USE_DEMO_SCROLL 1
+#define LV_USE_DEMO_SCROLL 0
/* Vector graphic demo */
#define LV_USE_DEMO_VECTOR_GRAPHIC 0
--
env_support/cmake/esp.cmake
+1 -5
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@@ -48,10 +48,6 @@ else()
file(GLOB_RECURSE DEMO_FLEX_LAYOUT_SOURCES ${LVGL_ROOT_DIR}/demos/flex_layout/*.c)
list(APPEND DEMO_SOURCES ${DEMO_FLEX_LAYOUT_SOURCES})
endif()
if(CONFIG_LV_USE_DEMO_SCROLL)
file(GLOB_RECURSE DEMO_SCROLL_SOURCES ${LVGL_ROOT_DIR}/demos/scroll/*.c)
list(APPEND DEMO_SOURCES ${DEMO_SCROLL_SOURCES})
endif()
if(CONFIG_LV_USE_DEMO_MUSIC)
file(GLOB_RECURSE DEMO_MUSIC_SOURCES ${LVGL_ROOT_DIR}/demos/music/*.c)
list(APPEND DEMO_SOURCES ${DEMO_MUSIC_SOURCES})
@@ -81,4 +77,4 @@ if(CONFIG_FREERTOS_SMP)
target_include_directories(${COMPONENT_LIB} PRIVATE "${IDF_PATH}/components/freertos/FreeRTOS-Kernel-SMP/include/freertos/")
else()
target_include_directories(${COMPONENT_LIB} PRIVATE "${IDF_PATH}/components/freertos/FreeRTOS-Kernel/include/freertos/")
endif()
endif()
env_support/cmsis-pack/README.md
-1
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@@ -53,7 +53,6 @@ remove the misleading guide above this code segment.
- LV_USE_DEMO_FLEX_LAYOUT
- LV_USE_DEMO_MULTILANG
- LV_USE_DEMO_TRANSFORM
- LV_USE_DEMO_SCROLL
- LV_USE_DEMO_VECTOR_GRAPHIC
- LV_USE_DEMO_EBIKE
- LV_USE_DEMO_HIGH_RES
examples/scroll/index.rst
+6 -1
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@@ -35,9 +35,14 @@ Infinite scrolling
.. lv_example:: scroll/lv_example_scroll_7
:language: c
circular scrolling
Circular scrolling
------------------
.. lv_example:: scroll/lv_example_scroll_8
:language: c
Scrolling Properties
--------------------
.. lv_example:: scroll/lv_example_scroll_9
:language: c
examples/scroll/lv_example_scroll.h
+3
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@@ -14,6 +14,8 @@ extern "C" {
* INCLUDES
*********************/
#include "../lv_examples.h"
/*********************
* DEFINES
*********************/
@@ -33,6 +35,7 @@ void lv_example_scroll_5(void);
void lv_example_scroll_6(void);
void lv_example_scroll_7(void);
void lv_example_scroll_8(void);
void lv_example_scroll_9(void);
/**********************
* MACROS
examples/scroll/lv_example_scroll_9.c
+83
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@@ -0,0 +1,83 @@
/**
* @file lv_example_scroll_9.c
*/
#include "lv_example_scroll.h"
#if LV_BUILD_EXAMPLES && LV_USE_FLEX
static lv_obj_t * switch_create(lv_obj_t * parent, const char * title, lv_obj_flag_t flag, bool en);
static void generic_switch_event_cb(lv_event_t * e);
static lv_obj_t * list;
void lv_example_scroll_9(void)
{
lv_obj_t * panel = lv_obj_create(lv_screen_active());
lv_obj_set_style_shadow_width(panel, 16, 0);
lv_obj_set_style_shadow_offset_y(panel, 8, 0);
lv_obj_set_style_shadow_offset_x(panel, 4, 0);
lv_obj_set_style_shadow_opa(panel, LV_OPA_40, 0);
lv_obj_set_size(panel, lv_pct(70), lv_pct(90));
lv_obj_center(panel);
lv_obj_set_flex_flow(panel, LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(panel, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
list = lv_list_create(panel);
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image1.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image2.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image3.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image4.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image5.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image6.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image7.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image8.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image9.png");
lv_list_add_button(list, LV_SYMBOL_IMAGE, "Image10.png");
switch_create(panel, "Scrollable", LV_OBJ_FLAG_SCROLLABLE, true);
switch_create(panel, "Scroll chain", LV_OBJ_FLAG_SCROLL_CHAIN, true);
switch_create(panel, "Elastic scroll", LV_OBJ_FLAG_SCROLL_ELASTIC, true);
switch_create(panel, "Add scroll momentum", LV_OBJ_FLAG_SCROLL_MOMENTUM, true);
/*Show the switches first*/
lv_obj_move_to_index(list, -1);
}
static lv_obj_t * switch_create(lv_obj_t * parent, const char * title, lv_obj_flag_t flag, bool en)
{
lv_obj_t * cont = lv_obj_create(parent);
lv_obj_remove_style_all(cont);
lv_obj_set_size(cont, lv_pct(100), LV_SIZE_CONTENT);
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW);
lv_obj_set_flex_align(cont, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_START);
lv_obj_t * label = lv_label_create(cont);
lv_label_set_text(label, title);
lv_obj_set_flex_grow(label, 1);
lv_obj_t * sw = lv_switch_create(cont);
lv_obj_add_event_cb(sw, generic_switch_event_cb, LV_EVENT_VALUE_CHANGED, (void *)((lv_uintptr_t) flag));
if(en) {
lv_obj_add_state(sw, LV_STATE_CHECKED);
lv_obj_add_flag(list, flag);
}
else {
lv_obj_remove_state(sw, LV_STATE_CHECKED);
lv_obj_remove_flag(list, flag);
}
return cont;
}
static void generic_switch_event_cb(lv_event_t * e)
{
lv_obj_t * sw = lv_event_get_target_obj(e);
lv_obj_flag_t flag = (lv_obj_flag_t)((lv_uintptr_t)lv_event_get_user_data(e));
if(lv_obj_has_state(sw, LV_STATE_CHECKED)) lv_obj_add_flag(list, flag);
else lv_obj_remove_flag(list, flag);
}
#endif
lv_conf_template.h
-3
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@@ -1452,9 +1452,6 @@
/** Widget transformation demo */
#define LV_USE_DEMO_TRANSFORM 0
/** Demonstrate scroll settings */
#define LV_USE_DEMO_SCROLL 0
/*E-bike demo with Lottie animations (if LV_USE_LOTTIE is enabled)*/
#define LV_USE_DEMO_EBIKE 0
#if LV_USE_DEMO_EBIKE
scripts/lv_conf_internal_gen.py
-1
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@@ -248,7 +248,6 @@ LV_EXPORT_CONST_INT(LV_DRAW_BUF_ALIGN);
#define LV_USE_DEMO_FLEX_LAYOUT 0
#define LV_USE_DEMO_MULTILANG 0
#define LV_USE_DEMO_TRANSFORM 0
#define LV_USE_DEMO_SCROLL 0
#define LV_USE_DEMO_EBIKE 0
#define LV_USE_DEMO_HIGH_RES 0
#define LV_USE_DEMO_SMARTWATCH 0
src/lv_conf_internal.h
-10
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@@ -4667,15 +4667,6 @@
#endif
#endif
/** Demonstrate scroll settings */
#ifndef LV_USE_DEMO_SCROLL
#ifdef CONFIG_LV_USE_DEMO_SCROLL
#define LV_USE_DEMO_SCROLL CONFIG_LV_USE_DEMO_SCROLL
#else
#define LV_USE_DEMO_SCROLL 0
#endif
#endif
/*E-bike demo with Lottie animations (if LV_USE_LOTTIE is enabled)*/
#ifndef LV_USE_DEMO_EBIKE
#ifdef CONFIG_LV_USE_DEMO_EBIKE
@@ -4782,7 +4773,6 @@ LV_EXPORT_CONST_INT(LV_DRAW_BUF_ALIGN);
#define LV_USE_DEMO_FLEX_LAYOUT 0
#define LV_USE_DEMO_MULTILANG 0
#define LV_USE_DEMO_TRANSFORM 0
#define LV_USE_DEMO_SCROLL 0
#define LV_USE_DEMO_EBIKE 0
#define LV_USE_DEMO_HIGH_RES 0
#define LV_USE_DEMO_SMARTWATCH 0
tests/src/lv_test_conf_full.h
-1
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@@ -125,7 +125,6 @@
#define LV_USE_DEMO_RENDER 1
#define LV_USE_DEMO_MUSIC 1
#define LV_USE_DEMO_BENCHMARK 1
#define LV_USE_DEMO_SCROLL 1
#define LV_USE_DEMO_EBIKE 1
#define LV_USE_DEMO_VECTOR_GRAPHIC 1
#define LV_USE_DEMO_HIGH_RES 1
tests/src/lv_test_perf_conf.h
-3
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@@ -1290,9 +1290,6 @@
/** Widget transformation demo */
#define LV_USE_DEMO_TRANSFORM 0
/** Demonstrate scroll settings */
#define LV_USE_DEMO_SCROLL 0
/** Vector graphic demo */
#define LV_USE_DEMO_VECTOR_GRAPHIC 0