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A39模拟器

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liulin
2024-03-07 11:03:18 +08:00
parent cb2cc0d66f
commit 33e6eb45b3
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28
MXC-A39/lvgl/examples/widgets/btnmatrix/index.rst Normal file
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C
^
Simple Button matrix
""""""""""""""""""""""
.. lv_example:: widgets/btnmatrix/lv_example_btnmatrix_1
:language: c
Custom buttons
""""""""""""""""""""""
.. lv_example:: widgets/btnmatrix/lv_example_btnmatrix_2
:language: c
Pagination
""""""""""""""""""""""
.. lv_example:: widgets/btnmatrix/lv_example_btnmatrix_3
:language: c
MicroPython
^^^^^^^^^^^
No examples yet.

32
MXC-A39/lvgl/examples/widgets/btnmatrix/lv_example_btnmatrix_1.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_BTNMATRIX && LV_BUILD_EXAMPLES
static void event_handler(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
uint32_t id = lv_btnmatrix_get_selected_btn(obj);
const char * txt = lv_btnmatrix_get_btn_text(obj, id);
LV_LOG_USER("%s was pressed\n", txt);
}
}
static const char * btnm_map[] = {"1", "2", "3", "4", "5", "\n",
"6", "7", "8", "9", "0", "\n",
"Action1", "Action2", ""};
void lv_example_btnmatrix_1(void)
{
lv_obj_t * btnm1 = lv_btnmatrix_create(lv_scr_act());
lv_btnmatrix_set_map(btnm1, btnm_map);
lv_btnmatrix_set_btn_width(btnm1, 10, 2); /*Make "Action1" twice as wide as "Action2"*/
lv_btnmatrix_set_btn_ctrl(btnm1, 10, LV_BTNMATRIX_CTRL_CHECKABLE);
lv_btnmatrix_set_btn_ctrl(btnm1, 11, LV_BTNMATRIX_CTRL_CHECKED);
lv_obj_align(btnm1, LV_ALIGN_CENTER, 0, 0);
lv_obj_add_event_cb(btnm1, event_handler, LV_EVENT_ALL, NULL);
}
#endif

14
MXC-A39/lvgl/examples/widgets/btnmatrix/lv_example_btnmatrix_1.py Normal file
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def event_handler(obj, event):
if event == lv.EVENT.VALUE_CHANGED:
txt = obj.get_active_btn_text()
print("%s was pressed" % txt)
btnm_map = ["1", "2", "3", "4", "5", "\n",
"6", "7", "8", "9", "0", "\n",
"Action1", "Action2", ""]
btnm1 = lv.btnm(lv.scr_act())
btnm1.set_map(btnm_map)
btnm1.set_btn_width(10, 2) # Make "Action1" twice as wide as "Action2"
btnm1.align(None, lv.ALIGN.CENTER, 0, 0)
btnm1.set_event_cb(event_handler)

72
MXC-A39/lvgl/examples/widgets/btnmatrix/lv_example_btnmatrix_2.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_BTNMATRIX && LV_BUILD_EXAMPLES
static void event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
if(code == LV_EVENT_DRAW_PART_BEGIN) {
lv_obj_draw_part_dsc_t * dsc = lv_event_get_param(e);
/*Change the draw descriptor the 2nd button*/
if(dsc->id == 1) {
dsc->rect_dsc->radius = 0;
if(lv_btnmatrix_get_selected_btn(obj) == dsc->id) dsc->rect_dsc->bg_color = lv_palette_darken(LV_PALETTE_BLUE, 3);
else dsc->rect_dsc->bg_color = lv_palette_main(LV_PALETTE_BLUE);
dsc->rect_dsc->shadow_width = 6;
dsc->rect_dsc->shadow_ofs_x = 3;
dsc->rect_dsc->shadow_ofs_y = 3;
dsc->label_dsc->color = lv_color_white();
}
/*Change the draw descriptor the 3rd button*/
else if(dsc->id == 2) {
dsc->rect_dsc->radius = LV_RADIUS_CIRCLE;
if(lv_btnmatrix_get_selected_btn(obj) == dsc->id) dsc->rect_dsc->bg_color = lv_palette_darken(LV_PALETTE_RED, 3);
else dsc->rect_dsc->bg_color = lv_palette_main(LV_PALETTE_RED);
dsc->label_dsc->color = lv_color_white();
}
else if(dsc->id == 3) {
dsc->label_dsc->opa = LV_OPA_TRANSP; /*Hide the text if any*/
}
}
if(code == LV_EVENT_DRAW_PART_END) {
lv_obj_draw_part_dsc_t * dsc = lv_event_get_param(e);
/*Add custom content to the 4th button when the button itself was drawn*/
if(dsc->id == 3) {
LV_IMG_DECLARE(img_star);
lv_img_header_t header;
lv_res_t res = lv_img_decoder_get_info(&img_star, &header);
if(res != LV_RES_OK) return;
lv_area_t a;
a.x1 = dsc->draw_area->x1 + (lv_area_get_width(dsc->draw_area) - header.w) / 2;
a.x2 = a.x1 + header.w - 1;
a.y1 = dsc->draw_area->y1 + (lv_area_get_height(dsc->draw_area) - header.h) / 2;
a.y2 = a.y1 + header.h - 1;
lv_draw_img_dsc_t img_draw_dsc;
lv_draw_img_dsc_init(&img_draw_dsc);
img_draw_dsc.recolor = lv_color_black();
if(lv_btnmatrix_get_selected_btn(obj) == dsc->id) img_draw_dsc.recolor_opa = LV_OPA_30;
lv_draw_img(&a, dsc->clip_area, &img_star, &img_draw_dsc);
}
}
}
/**
* Add custom drawer to the button matrix to customize butons one by one
*/
void lv_example_btnmatrix_2(void)
{
lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
lv_obj_add_event_cb(btnm, event_cb, LV_EVENT_ALL, NULL);
lv_obj_center(btnm);
}
#endif

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MXC-A39/lvgl/examples/widgets/btnmatrix/lv_example_btnmatrix_3.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_BTNMATRIX && LV_BUILD_EXAMPLES
static void event_cb(lv_event_t * e)
{
lv_obj_t * obj = lv_event_get_target(e);
uint32_t id = lv_btnmatrix_get_selected_btn(obj);
bool prev = id == 0 ? true : false;
bool next = id == 6 ? true : false;
if(prev || next) {
/*Find the checked button*/
uint32_t i;
for(i = 1; i < 7; i++) {
if(lv_btnmatrix_has_btn_ctrl(obj, i, LV_BTNMATRIX_CTRL_CHECKED)) break;
}
if(prev && i > 1) i--;
else if(next && i < 5) i++;
lv_btnmatrix_set_btn_ctrl(obj, i, LV_BTNMATRIX_CTRL_CHECKED);
}
}
/**
* Make a button group (pagination)
*/
void lv_example_btnmatrix_3(void)
{
static lv_style_t style_bg;
lv_style_init(&style_bg);
lv_style_set_pad_all(&style_bg, 0);
lv_style_set_pad_gap(&style_bg, 0);
lv_style_set_clip_corner(&style_bg, true);
lv_style_set_radius(&style_bg, LV_RADIUS_CIRCLE);
lv_style_set_border_width(&style_bg, 0);
static lv_style_t style_btn;
lv_style_init(&style_btn);
lv_style_set_radius(&style_btn, 0);
lv_style_set_border_width(&style_btn, 1);
lv_style_set_border_opa(&style_btn, LV_OPA_50);
lv_style_set_border_color(&style_btn, lv_palette_main(LV_PALETTE_GREY));
lv_style_set_border_side(&style_btn, LV_BORDER_SIDE_INTERNAL);
lv_style_set_radius(&style_btn, 0);
static const char * map[] = {LV_SYMBOL_LEFT, "1", "2", "3", "4", "5", LV_SYMBOL_RIGHT, ""};
lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
lv_btnmatrix_set_map(btnm, map);
lv_obj_add_style(btnm, &style_bg, 0);
lv_obj_add_style(btnm, &style_btn, LV_PART_ITEMS);
lv_obj_add_event_cb(btnm, event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_set_size(btnm, 225, 35);
/*Allow selecting on one number at time*/
lv_btnmatrix_set_btn_ctrl_all(btnm, LV_BTNMATRIX_CTRL_CHECKABLE);
lv_btnmatrix_clear_btn_ctrl(btnm, 0, LV_BTNMATRIX_CTRL_CHECKABLE);
lv_btnmatrix_clear_btn_ctrl(btnm, 6, LV_BTNMATRIX_CTRL_CHECKABLE);
lv_btnmatrix_set_one_checked(btnm, true);
lv_btnmatrix_set_btn_ctrl(btnm, 1, LV_BTNMATRIX_CTRL_CHECKED);
lv_obj_center(btnm);
}
#endif