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demo: add lv_demo_scroll

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This commit is contained in:
Gabor Kiss-Vamosi
2023-07-15 23:24:58 +02:00
parent 6d2d8a7583
commit b78d4dc04b
7 changed files with 172 additions and 5 deletions
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4
demos/lv_demos.h
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@@ -43,6 +43,10 @@ extern "C" {
#include "transform/lv_demo_transform.h"
#endif
#if LV_USE_DEMO_SCROLL
#include "scroll/lv_demo_scroll.h"
#endif
/*********************
* DEFINES
*********************/

113
demos/scroll/lv_demo_scroll.c Normal file
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@@ -0,0 +1,113 @@
/**
* @file lv_demo_scroll.c
*/
/*********************
* INCLUDES
*********************/
#include "lv_demo_scroll.h"
#if LV_USE_DEMO_SCROLL
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static lv_obj_t * switch_create(lv_obj_t * parent, const char * title, lv_obj_flag_t flag, bool en);
static void generic_swicth_event_cb(lv_event_t * e);
/**********************
* STATIC VARIABLES
**********************/
static lv_obj_t * list;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
void lv_demo_scroll(void)
{
lv_obj_t * panel = lv_obj_create(lv_scr_act());
lv_obj_set_style_shadow_width(panel, 16, 0);
lv_obj_set_style_shadow_ofs_y(panel, 8, 0);
lv_obj_set_style_shadow_ofs_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_btn(list, LV_SYMBOL_IMAGE, "Image1.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image2.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image3.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image4.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image5.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image6.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image7.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image8.png");
lv_list_add_btn(list, LV_SYMBOL_IMAGE, "Image9.png");
lv_list_add_btn(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_foreground(list);
}
/**********************
* STATIC FUNCTIONS
**********************/
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(sw, generic_swicth_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_clear_state(sw, LV_STATE_CHECKED);
lv_obj_clear_flag(list, flag);
}
return cont;
}
static void generic_swicth_event_cb(lv_event_t * e)
{
lv_obj_t * sw = lv_event_get_target(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_clear_flag(list, flag);
}
#endif

39
demos/scroll/lv_demo_scroll.h Normal file
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@@ -0,0 +1,39 @@
/**
* @file lv_demo_scroll.h
*
*/
#ifndef LV_DEMO_SCROLL_H
#define LV_DEMO_SCROLL_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../lv_demos.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
void lv_demo_scroll(void);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_DEMO_SCROLL_H*/

2
demos/transform/assets/img_transform_avatar_15.c
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@@ -106,7 +106,7 @@ img_transform_avatar_15_map[] = {
};
const lv_img_dsc_t img_transform_avatar_15 = {
.header.cf = LV_COLOR_FORMAT_NATIVE_WITH_ALPHA,
.header.cf = LV_COLOR_FORMAT_ARGB8888,
.header.always_zero = 0,
.header.reserved = 0,
.header.w = 80,

6
lv_conf_template.h
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@@ -776,14 +776,16 @@
#endif
/*Flex layout demo*/
#define LV_USE_DEMO_FLEX_LAYOUT 0
#define LV_USE_DEMO_FLEX_LAYOUT 0
/*Smart-phone like multi-language demo*/
#define LV_USE_DEMO_MULTILANG 0
#define LV_USE_DEMO_MULTILANG 0
/*Widget transformation demo*/
#define LV_USE_DEMO_TRANSFORM 0
/*Demonstrate scroll settings*/
#define LV_USE_DEMO_SCROLL 0
/*--END OF LV_CONF_H--*/
#endif /*LV_CONF_H*/

12
src/lv_conf_internal.h
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@@ -2512,7 +2512,7 @@
#ifdef CONFIG_LV_USE_DEMO_FLEX_LAYOUT
#define LV_USE_DEMO_FLEX_LAYOUT CONFIG_LV_USE_DEMO_FLEX_LAYOUT
#else
#define LV_USE_DEMO_FLEX_LAYOUT 0
#define LV_USE_DEMO_FLEX_LAYOUT 0
#endif
#endif
@@ -2521,7 +2521,7 @@
#ifdef CONFIG_LV_USE_DEMO_MULTILANG
#define LV_USE_DEMO_MULTILANG CONFIG_LV_USE_DEMO_MULTILANG
#else
#define LV_USE_DEMO_MULTILANG 0
#define LV_USE_DEMO_MULTILANG 0
#endif
#endif
@@ -2534,6 +2534,14 @@
#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
/*----------------------------------

1
tests/src/lv_test_conf_full.h
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@@ -78,5 +78,6 @@
#define LV_USE_DEMO_STRESS 1
#define LV_USE_DEMO_TRANSFORM 1
#define LV_USE_DEMO_MULTILANG 1
#define LV_USE_DEMO_SCROLL 1