初版
This commit is contained in:
huxi
@@ -0,0 +1,43 @@
|
||||
/**
|
||||
* @file lv_example_scroll.h
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef LV_EXAMPLE_SCROLL_H
|
||||
#define LV_EXAMPLE_SCROLL_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*********************
|
||||
* INCLUDES
|
||||
*********************/
|
||||
|
||||
/*********************
|
||||
* DEFINES
|
||||
*********************/
|
||||
|
||||
/**********************
|
||||
* TYPEDEFS
|
||||
**********************/
|
||||
|
||||
/**********************
|
||||
* GLOBAL PROTOTYPES
|
||||
**********************/
|
||||
void lv_example_scroll_1(void);
|
||||
void lv_example_scroll_2(void);
|
||||
void lv_example_scroll_3(void);
|
||||
void lv_example_scroll_4(void);
|
||||
void lv_example_scroll_5(void);
|
||||
void lv_example_scroll_6(void);
|
||||
|
||||
/**********************
|
||||
* MACROS
|
||||
**********************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
} /*extern "C"*/
|
||||
#endif
|
||||
|
||||
#endif /*LV_EXAMPLE_SCROLL_H*/
|
||||
@@ -0,0 +1,49 @@
|
||||
#ifdef SUPPORT_MS_EXTENSIONS
|
||||
#pragma bss_seg(".lv_ui_core.data.bss")
|
||||
#pragma data_seg(".lv_ui_core.data")
|
||||
#pragma const_seg(".lv_ui_core.text.const")
|
||||
#pragma code_seg(".lv_ui_core.text")
|
||||
#endif
|
||||
#include "../lv_examples.h"
|
||||
#if LV_BUILD_EXAMPLES
|
||||
|
||||
/**
|
||||
* Demonstrate how scrolling appears automatically
|
||||
*/
|
||||
void lv_example_scroll_1(void)
|
||||
{
|
||||
/*Create an object with the new style*/
|
||||
lv_obj_t *panel = lv_obj_create(lv_scr_act());
|
||||
lv_obj_set_size(panel, 200, 200);
|
||||
lv_obj_center(panel);
|
||||
|
||||
lv_obj_t *child;
|
||||
lv_obj_t *label;
|
||||
|
||||
child = lv_obj_create(panel);
|
||||
lv_obj_set_pos(child, 0, 0);
|
||||
lv_obj_set_size(child, 70, 70);
|
||||
label = lv_label_create(child);
|
||||
lv_label_set_text(label, "Zero");
|
||||
lv_obj_center(label);
|
||||
|
||||
child = lv_obj_create(panel);
|
||||
lv_obj_set_pos(child, 160, 80);
|
||||
lv_obj_set_size(child, 80, 80);
|
||||
|
||||
lv_obj_t *child2 = lv_btn_create(child);
|
||||
lv_obj_set_size(child2, 100, 50);
|
||||
|
||||
label = lv_label_create(child2);
|
||||
lv_label_set_text(label, "Right");
|
||||
lv_obj_center(label);
|
||||
|
||||
child = lv_obj_create(panel);
|
||||
lv_obj_set_pos(child, 40, 160);
|
||||
lv_obj_set_size(child, 100, 70);
|
||||
label = lv_label_create(child);
|
||||
lv_label_set_text(label, "Bottom");
|
||||
lv_obj_center(label);
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,65 @@
|
||||
#ifdef SUPPORT_MS_EXTENSIONS
|
||||
#pragma bss_seg(".lv_ui_core.data.bss")
|
||||
#pragma data_seg(".lv_ui_core.data")
|
||||
#pragma const_seg(".lv_ui_core.text.const")
|
||||
#pragma code_seg(".lv_ui_core.text")
|
||||
#endif
|
||||
#include "../lv_examples.h"
|
||||
#if LV_BUILD_EXAMPLES && LV_USE_FLEX
|
||||
|
||||
static void sw_event_cb(lv_event_t *e)
|
||||
{
|
||||
lv_event_code_t code = lv_event_get_code(e);
|
||||
lv_obj_t *sw = lv_event_get_target(e);
|
||||
|
||||
if (code == LV_EVENT_VALUE_CHANGED) {
|
||||
lv_obj_t *list = lv_event_get_user_data(e);
|
||||
|
||||
if (lv_obj_has_state(sw, LV_STATE_CHECKED)) {
|
||||
lv_obj_add_flag(list, LV_OBJ_FLAG_SCROLL_ONE);
|
||||
} else {
|
||||
lv_obj_clear_flag(list, LV_OBJ_FLAG_SCROLL_ONE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Show an example to scroll snap
|
||||
*/
|
||||
void lv_example_scroll_2(void)
|
||||
{
|
||||
lv_obj_t *panel = lv_obj_create(lv_scr_act());
|
||||
lv_obj_set_size(panel, 280, 120);
|
||||
lv_obj_set_scroll_snap_x(panel, LV_SCROLL_SNAP_CENTER);
|
||||
lv_obj_set_flex_flow(panel, LV_FLEX_FLOW_ROW);
|
||||
lv_obj_align(panel, LV_ALIGN_CENTER, 0, 20);
|
||||
|
||||
uint32_t i;
|
||||
for (i = 0; i < 10; i++) {
|
||||
lv_obj_t *btn = lv_btn_create(panel);
|
||||
lv_obj_set_size(btn, 150, lv_pct(100));
|
||||
|
||||
lv_obj_t *label = lv_label_create(btn);
|
||||
if (i == 3) {
|
||||
lv_label_set_text_fmt(label, "Panel %"LV_PRIu32"\nno snap", i);
|
||||
lv_obj_clear_flag(btn, LV_OBJ_FLAG_SNAPPABLE);
|
||||
} else {
|
||||
lv_label_set_text_fmt(label, "Panel %"LV_PRIu32, i);
|
||||
}
|
||||
|
||||
lv_obj_center(label);
|
||||
}
|
||||
lv_obj_update_snap(panel, LV_ANIM_ON);
|
||||
|
||||
#if LV_USE_SWITCH
|
||||
/*Switch between "One scroll" and "Normal scroll" mode*/
|
||||
lv_obj_t *sw = lv_switch_create(lv_scr_act());
|
||||
lv_obj_align(sw, LV_ALIGN_TOP_RIGHT, -20, 10);
|
||||
lv_obj_add_event_cb(sw, sw_event_cb, LV_EVENT_ALL, panel);
|
||||
lv_obj_t *label = lv_label_create(lv_scr_act());
|
||||
lv_label_set_text(label, "One scroll");
|
||||
lv_obj_align_to(label, sw, LV_ALIGN_OUT_BOTTOM_MID, 0, 5);
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,55 @@
|
||||
#ifdef SUPPORT_MS_EXTENSIONS
|
||||
#pragma bss_seg(".lv_ui_core.data.bss")
|
||||
#pragma data_seg(".lv_ui_core.data")
|
||||
#pragma const_seg(".lv_ui_core.text.const")
|
||||
#pragma code_seg(".lv_ui_core.text")
|
||||
#endif
|
||||
#include "../lv_examples.h"
|
||||
#if LV_BUILD_EXAMPLES && LV_USE_LIST
|
||||
|
||||
static uint32_t btn_cnt = 1;
|
||||
|
||||
static void float_btn_event_cb(lv_event_t *e)
|
||||
{
|
||||
lv_event_code_t code = lv_event_get_code(e);
|
||||
lv_obj_t *float_btn = lv_event_get_target(e);
|
||||
|
||||
if (code == LV_EVENT_CLICKED) {
|
||||
lv_obj_t *list = lv_event_get_user_data(e);
|
||||
char buf[32];
|
||||
lv_snprintf(buf, sizeof(buf), "Track %d", (int)btn_cnt);
|
||||
lv_obj_t *list_btn = lv_list_add_btn(list, LV_SYMBOL_AUDIO, buf);
|
||||
btn_cnt++;
|
||||
|
||||
lv_obj_move_foreground(float_btn);
|
||||
|
||||
lv_obj_scroll_to_view(list_btn, LV_ANIM_ON);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a list with a floating button
|
||||
*/
|
||||
void lv_example_scroll_3(void)
|
||||
{
|
||||
lv_obj_t *list = lv_list_create(lv_scr_act());
|
||||
lv_obj_set_size(list, 280, 220);
|
||||
lv_obj_center(list);
|
||||
|
||||
for (btn_cnt = 1; btn_cnt <= 2; btn_cnt++) {
|
||||
char buf[32];
|
||||
lv_snprintf(buf, sizeof(buf), "Track %d", (int)btn_cnt);
|
||||
lv_list_add_btn(list, LV_SYMBOL_AUDIO, buf);
|
||||
}
|
||||
|
||||
lv_obj_t *float_btn = lv_btn_create(list);
|
||||
lv_obj_set_size(float_btn, 50, 50);
|
||||
lv_obj_add_flag(float_btn, LV_OBJ_FLAG_FLOATING);
|
||||
lv_obj_align(float_btn, LV_ALIGN_BOTTOM_RIGHT, 0, -lv_obj_get_style_pad_right(list, LV_PART_MAIN));
|
||||
lv_obj_add_event_cb(float_btn, float_btn_event_cb, LV_EVENT_ALL, list);
|
||||
lv_obj_set_style_radius(float_btn, LV_RADIUS_CIRCLE, 0);
|
||||
lv_obj_set_style_bg_img_src(float_btn, LV_SYMBOL_PLUS, 0);
|
||||
lv_obj_set_style_text_font(float_btn, lv_theme_get_font_large(float_btn), 0);
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,72 @@
|
||||
#ifdef SUPPORT_MS_EXTENSIONS
|
||||
#pragma bss_seg(".lv_ui_core.data.bss")
|
||||
#pragma data_seg(".lv_ui_core.data")
|
||||
#pragma const_seg(".lv_ui_core.text.const")
|
||||
#pragma code_seg(".lv_ui_core.text")
|
||||
#endif
|
||||
#include "../lv_examples.h"
|
||||
#if LV_BUILD_EXAMPLES && LV_USE_LIST
|
||||
|
||||
/**
|
||||
* Styling the scrollbars
|
||||
*/
|
||||
void lv_example_scroll_4(void)
|
||||
{
|
||||
lv_obj_t *obj = lv_obj_create(lv_scr_act());
|
||||
lv_obj_set_size(obj, 200, 100);
|
||||
lv_obj_center(obj);
|
||||
|
||||
lv_obj_t *label = lv_label_create(obj);
|
||||
lv_label_set_text(label,
|
||||
"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\n"
|
||||
"Etiam dictum, tortor vestibulum lacinia laoreet, mi neque consectetur neque, vel mattis odio dolor egestas ligula. \n"
|
||||
"Sed vestibulum sapien nulla, id convallis ex porttitor nec. \n"
|
||||
"Duis et massa eu libero accumsan faucibus a in arcu. \n"
|
||||
"Ut pulvinar odio lorem, vel tempus turpis condimentum quis. Nam consectetur condimentum sem in auctor. \n"
|
||||
"Sed nisl augue, venenatis in blandit et, gravida ac tortor. \n"
|
||||
"Etiam dapibus elementum suscipit. \n"
|
||||
"Proin mollis sollicitudin convallis. \n"
|
||||
"Integer dapibus tempus arcu nec viverra. \n"
|
||||
"Donec molestie nulla enim, eu interdum velit placerat quis. \n"
|
||||
"Donec id efficitur risus, at molestie turpis. \n"
|
||||
"Suspendisse vestibulum consectetur nunc ut commodo. \n"
|
||||
"Fusce molestie rhoncus nisi sit amet tincidunt. \n"
|
||||
"Suspendisse a nunc ut magna ornare volutpat.");
|
||||
|
||||
/*Remove the style of scrollbar to have clean start*/
|
||||
lv_obj_remove_style(obj, NULL, LV_PART_SCROLLBAR | LV_STATE_ANY);
|
||||
|
||||
/*Create a transition the animate the some properties on state change*/
|
||||
static const lv_style_prop_t props[] = {LV_STYLE_BG_OPA, LV_STYLE_WIDTH, 0};
|
||||
static lv_style_transition_dsc_t trans;
|
||||
lv_style_transition_dsc_init(&trans, props, lv_anim_path_linear, 200, 0, NULL);
|
||||
|
||||
/*Create a style for the scrollbars*/
|
||||
static lv_style_t style;
|
||||
lv_style_init(&style);
|
||||
lv_style_set_width(&style, 4); /*Width of the scrollbar*/
|
||||
lv_style_set_pad_right(&style, 5); /*Space from the parallel side*/
|
||||
lv_style_set_pad_top(&style, 5); /*Space from the perpendicular side*/
|
||||
|
||||
lv_style_set_radius(&style, 2);
|
||||
lv_style_set_bg_opa(&style, LV_OPA_70);
|
||||
lv_style_set_bg_color(&style, lv_palette_main(LV_PALETTE_BLUE));
|
||||
lv_style_set_border_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 3));
|
||||
lv_style_set_border_width(&style, 2);
|
||||
lv_style_set_shadow_width(&style, 8);
|
||||
lv_style_set_shadow_spread(&style, 2);
|
||||
lv_style_set_shadow_color(&style, lv_palette_darken(LV_PALETTE_BLUE, 1));
|
||||
|
||||
lv_style_set_transition(&style, &trans);
|
||||
|
||||
/*Make the scrollbars wider and use 100% opacity when scrolled*/
|
||||
static lv_style_t style_scrolled;
|
||||
lv_style_init(&style_scrolled);
|
||||
lv_style_set_width(&style_scrolled, 8);
|
||||
lv_style_set_bg_opa(&style_scrolled, LV_OPA_COVER);
|
||||
|
||||
lv_obj_add_style(obj, &style, LV_PART_SCROLLBAR);
|
||||
lv_obj_add_style(obj, &style_scrolled, LV_PART_SCROLLBAR | LV_STATE_SCROLLED);
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,28 @@
|
||||
#ifdef SUPPORT_MS_EXTENSIONS
|
||||
#pragma bss_seg(".lv_ui_core.data.bss")
|
||||
#pragma data_seg(".lv_ui_core.data")
|
||||
#pragma const_seg(".lv_ui_core.text.const")
|
||||
#pragma code_seg(".lv_ui_core.text")
|
||||
#endif
|
||||
#include "../lv_examples.h"
|
||||
#if LV_BUILD_EXAMPLES && LV_FONT_DEJAVU_16_PERSIAN_HEBREW
|
||||
|
||||
/**
|
||||
* Scrolling with Right To Left base direction
|
||||
*/
|
||||
void lv_example_scroll_5(void)
|
||||
{
|
||||
lv_obj_t *obj = lv_obj_create(lv_scr_act());
|
||||
lv_obj_set_style_base_dir(obj, LV_BASE_DIR_RTL, 0);
|
||||
lv_obj_set_size(obj, 200, 100);
|
||||
lv_obj_center(obj);
|
||||
|
||||
lv_obj_t *label = lv_label_create(obj);
|
||||
lv_label_set_text(label,
|
||||
"میکروکُنترولر (به انگلیسی: Microcontroller) گونهای ریزپردازنده است که دارای حافظهٔ دسترسی تصادفی (RAM) و حافظهٔ فقطخواندنی (ROM)، تایمر، پورتهای ورودی و خروجی (I/O) و درگاه ترتیبی (Serial Port پورت سریال)، درون خود تراشه است، و میتواند به تنهایی ابزارهای دیگر را کنترل کند. به عبارت دیگر یک میکروکنترلر، مدار مجتمع کوچکی است که از یک CPU کوچک و اجزای دیگری مانند تایمر، درگاههای ورودی و خروجی آنالوگ و دیجیتال و حافظه تشکیل شدهاست.");
|
||||
lv_obj_set_width(label, 400);
|
||||
lv_obj_set_style_text_font(label, &lv_font_dejavu_16_persian_hebrew, 0);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,85 @@
|
||||
#ifdef SUPPORT_MS_EXTENSIONS
|
||||
#pragma bss_seg(".lv_ui_core.data.bss")
|
||||
#pragma data_seg(".lv_ui_core.data")
|
||||
#pragma const_seg(".lv_ui_core.text.const")
|
||||
#pragma code_seg(".lv_ui_core.text")
|
||||
#endif
|
||||
#include "../lv_examples.h"
|
||||
#if LV_BUILD_EXAMPLES && LV_USE_FLEX
|
||||
|
||||
static void scroll_event_cb(lv_event_t *e)
|
||||
{
|
||||
lv_obj_t *cont = lv_event_get_target(e);
|
||||
|
||||
lv_area_t cont_a;
|
||||
lv_obj_get_coords(cont, &cont_a);
|
||||
lv_coord_t cont_y_center = cont_a.y1 + lv_area_get_height(&cont_a) / 2;
|
||||
|
||||
lv_coord_t r = lv_obj_get_height(cont) * 7 / 10;
|
||||
uint32_t i;
|
||||
uint32_t child_cnt = lv_obj_get_child_cnt(cont);
|
||||
for (i = 0; i < child_cnt; i++) {
|
||||
lv_obj_t *child = lv_obj_get_child(cont, i);
|
||||
lv_area_t child_a;
|
||||
lv_obj_get_coords(child, &child_a);
|
||||
|
||||
lv_coord_t child_y_center = child_a.y1 + lv_area_get_height(&child_a) / 2;
|
||||
|
||||
lv_coord_t diff_y = child_y_center - cont_y_center;
|
||||
diff_y = LV_ABS(diff_y);
|
||||
|
||||
/*Get the x of diff_y on a circle.*/
|
||||
lv_coord_t x;
|
||||
/*If diff_y is out of the circle use the last point of the circle (the radius)*/
|
||||
if (diff_y >= r) {
|
||||
x = r;
|
||||
} else {
|
||||
/*Use Pythagoras theorem to get x from radius and y*/
|
||||
uint32_t x_sqr = r * r - diff_y * diff_y;
|
||||
lv_sqrt_res_t res;
|
||||
lv_sqrt(x_sqr, &res, 0x8000); /*Use lvgl's built in sqrt root function*/
|
||||
x = r - res.i;
|
||||
}
|
||||
|
||||
/*Translate the item by the calculated X coordinate*/
|
||||
lv_obj_set_style_translate_x(child, x, 0);
|
||||
|
||||
/*Use some opacity with larger translations*/
|
||||
lv_opa_t opa = lv_map(x, 0, r, LV_OPA_TRANSP, LV_OPA_COVER);
|
||||
lv_obj_set_style_opa(child, LV_OPA_COVER - opa, 0);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate the object as they scroll
|
||||
*/
|
||||
void lv_example_scroll_6(void)
|
||||
{
|
||||
lv_obj_t *cont = lv_obj_create(lv_scr_act());
|
||||
lv_obj_set_size(cont, 200, 200);
|
||||
lv_obj_center(cont);
|
||||
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
|
||||
lv_obj_add_event_cb(cont, scroll_event_cb, LV_EVENT_SCROLL, NULL);
|
||||
lv_obj_set_style_radius(cont, LV_RADIUS_CIRCLE, 0);
|
||||
lv_obj_set_style_clip_corner(cont, true, 0);
|
||||
lv_obj_set_scroll_dir(cont, LV_DIR_VER);
|
||||
lv_obj_set_scroll_snap_y(cont, LV_SCROLL_SNAP_CENTER);
|
||||
lv_obj_set_scrollbar_mode(cont, LV_SCROLLBAR_MODE_OFF);
|
||||
|
||||
uint32_t i;
|
||||
for (i = 0; i < 20; i++) {
|
||||
lv_obj_t *btn = lv_btn_create(cont);
|
||||
lv_obj_set_width(btn, lv_pct(100));
|
||||
|
||||
lv_obj_t *label = lv_label_create(btn);
|
||||
lv_label_set_text_fmt(label, "Button %"LV_PRIu32, i);
|
||||
}
|
||||
|
||||
/*Update the buttons position manually for first*/
|
||||
lv_event_send(cont, LV_EVENT_SCROLL, NULL);
|
||||
|
||||
/*Be sure the fist button is in the middle*/
|
||||
lv_obj_scroll_to_view(lv_obj_get_child(cont, 0), LV_ANIM_OFF);
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user