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feat(event) add event filter to lv_event_send

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This commit is contained in:
Gabor Kiss-Vamosi
2021-04-19 11:15:28 +02:00
parent ddea17afe2
commit bbfcb2454e
43 changed files with 249 additions and 306 deletions
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2
examples/get_started/lv_example_get_started_1.c
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@@ -23,7 +23,7 @@ void lv_example_get_started_1(void)
lv_obj_t * btn = lv_btn_create(lv_scr_act()); /*Add a button the current screen*/
lv_obj_set_pos(btn, 10, 10); /*Set its position*/
lv_obj_set_size(btn, 120, 50); /*Set its size*/
lv_obj_add_event_cb(btn, btn_event_cb, NULL); /*Assign a callback to the button*/
lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL); /*Assign a callback to the button*/
lv_obj_t * label = lv_label_create(btn); /*Add a label to the button*/
lv_label_set_text(label, "Button"); /*Set the labels text*/

11
examples/get_started/lv_example_get_started_3.c
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@@ -5,14 +5,11 @@ static lv_obj_t * label;
static void slider_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * slider = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
/*Refresh the text*/
lv_label_set_text_fmt(label, "%d", lv_slider_get_value(slider));
lv_obj_align_to(label, slider, LV_ALIGN_OUT_TOP_MID, 0, -15); /*Align below the slider*/
}
/*Refresh the text*/
lv_label_set_text_fmt(label, "%d", lv_slider_get_value(slider));
lv_obj_align_to(label, slider, LV_ALIGN_OUT_TOP_MID, 0, -15); /*Align below the slider*/
}
/**
@@ -24,7 +21,7 @@ void lv_example_get_started_3(void)
lv_obj_t * slider = lv_slider_create(lv_scr_act());
lv_obj_set_width(slider, 200); /*Set the width*/
lv_obj_center(slider); /*Align to the center of the parent (screen)*/
lv_obj_add_event_cb(slider, slider_event_cb, NULL); /*Assign an event function*/
lv_obj_add_event_cb(slider, slider_event_cb, LV_EVENT_VALUE_CHANGED, NULL); /*Assign an event function*/
/*Create a label below the slider*/
label = lv_label_create(lv_scr_act());

2
examples/scroll/lv_example_scroll_2.c
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@@ -46,7 +46,7 @@ void lv_example_scroll_2(void)
/*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, panel);
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);

2
examples/scroll/lv_example_scroll_3.c
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@@ -40,7 +40,7 @@ void lv_example_scroll_3(void)
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, list);
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);

4
examples/widgets/btn/lv_example_btn_1.c
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@@ -18,7 +18,7 @@ void lv_example_btn_1(void)
lv_obj_t * label;
lv_obj_t * btn1 = lv_btn_create(lv_scr_act());
lv_obj_add_event_cb(btn1, event_handler, NULL);
lv_obj_add_event_cb(btn1, event_handler, LV_EVENT_ALL, NULL);
lv_obj_align(btn1, LV_ALIGN_CENTER, 0, -40);
label = lv_label_create(btn1);
@@ -26,7 +26,7 @@ void lv_example_btn_1(void)
lv_obj_center(label);
lv_obj_t * btn2 = lv_btn_create(lv_scr_act());
lv_obj_add_event_cb(btn2, event_handler, NULL);
lv_obj_add_event_cb(btn2, event_handler, LV_EVENT_ALL, NULL);
lv_obj_align(btn2, LV_ALIGN_CENTER, 0, 40);
lv_obj_add_flag(btn2, LV_OBJ_FLAG_CHECKABLE);
lv_obj_set_height(btn2, LV_SIZE_CONTENT);

2
examples/widgets/btnmatrix/lv_example_btnmatrix_1.c
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@@ -26,7 +26,7 @@ void lv_example_btnmatrix_1(void)
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, NULL);
lv_obj_add_event_cb(btnm1, event_handler, LV_EVENT_ALL, NULL);
}
#endif

2
examples/widgets/btnmatrix/lv_example_btnmatrix_2.c
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@@ -65,7 +65,7 @@ static void event_cb(lv_event_t * e)
void lv_example_btnmatrix_2(void)
{
lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
lv_obj_add_event_cb(btnm, event_cb, NULL);
lv_obj_add_event_cb(btnm, event_cb, LV_EVENT_ALL, NULL);
lv_obj_center(btnm);
}

31
examples/widgets/btnmatrix/lv_example_btnmatrix_3.c
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@@ -3,24 +3,21 @@
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_VALUE_CHANGED) {
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);
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);
}
}
@@ -53,7 +50,7 @@ void lv_example_btnmatrix_3(void)
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, NULL);
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*/

2
examples/widgets/calendar/lv_example_calendar_1.c
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@@ -19,7 +19,7 @@ void lv_example_calendar_1(void)
lv_obj_t * calendar = lv_calendar_create(lv_scr_act());
lv_obj_set_size(calendar, 200, 200);
lv_obj_align(calendar, LV_ALIGN_CENTER, 0, 20);
lv_obj_add_event_cb(calendar, event_handler, NULL);
lv_obj_add_event_cb(calendar, event_handler, LV_EVENT_ALL, NULL);
lv_calendar_set_today_date(calendar, 2021, 02, 23);
lv_calendar_set_showed_date(calendar, 2021, 02);

59
examples/widgets/chart/lv_example_chart_2.c
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@@ -5,45 +5,42 @@ static lv_obj_t * chart1;
static lv_chart_series_t * ser1;
static lv_chart_series_t * ser2;
static void event_cb(lv_event_t * e)
static void draw_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);
/*Add the faded area before the lines are drawn*/
if(code == LV_EVENT_DRAW_PART_BEGIN) {
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
if(dsc->part != LV_PART_ITEMS) return;
if(!dsc->p1 || !dsc->p2) return;
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
if(dsc->part != LV_PART_ITEMS) return;
if(!dsc->p1 || !dsc->p2) return;
/*Add a line mask that keeps the area below the line*/
lv_draw_mask_line_param_t line_mask_param;
lv_draw_mask_line_points_init(&line_mask_param, dsc->p1->x, dsc->p1->y, dsc->p2->x, dsc->p2->y, LV_DRAW_MASK_LINE_SIDE_BOTTOM);
int16_t line_mask_id = lv_draw_mask_add(&line_mask_param, NULL);
/*Add a line mask that keeps the area below the line*/
lv_draw_mask_line_param_t line_mask_param;
lv_draw_mask_line_points_init(&line_mask_param, dsc->p1->x, dsc->p1->y, dsc->p2->x, dsc->p2->y, LV_DRAW_MASK_LINE_SIDE_BOTTOM);
int16_t line_mask_id = lv_draw_mask_add(&line_mask_param, NULL);
/*Add a fade effect: transparent bottom covering top*/
lv_coord_t h = lv_obj_get_height(obj);
lv_draw_mask_fade_param_t fade_mask_param;
lv_draw_mask_fade_init(&fade_mask_param, &obj->coords, LV_OPA_COVER, obj->coords.y1 + h / 8, LV_OPA_TRANSP,obj->coords.y2);
int16_t fade_mask_id = lv_draw_mask_add(&fade_mask_param, NULL);
/*Add a fade effect: transparent bottom covering top*/
lv_coord_t h = lv_obj_get_height(obj);
lv_draw_mask_fade_param_t fade_mask_param;
lv_draw_mask_fade_init(&fade_mask_param, &obj->coords, LV_OPA_COVER, obj->coords.y1 + h / 8, LV_OPA_TRANSP,obj->coords.y2);
int16_t fade_mask_id = lv_draw_mask_add(&fade_mask_param, NULL);
/*Draw a rectangle that will be affected by the mask*/
lv_draw_rect_dsc_t draw_rect_dsc;
lv_draw_rect_dsc_init(&draw_rect_dsc);
draw_rect_dsc.bg_opa = LV_OPA_20;
draw_rect_dsc.bg_color = dsc->line_dsc->color;
/*Draw a rectangle that will be affected by the mask*/
lv_draw_rect_dsc_t draw_rect_dsc;
lv_draw_rect_dsc_init(&draw_rect_dsc);
draw_rect_dsc.bg_opa = LV_OPA_20;
draw_rect_dsc.bg_color = dsc->line_dsc->color;
lv_area_t a;
a.x1 = dsc->p1->x;
a.x2 = dsc->p2->x - 1;
a.y1 = LV_MIN(dsc->p1->y, dsc->p2->y);
a.y2 = obj->coords.y2;
lv_draw_rect(&a, dsc->clip_area, &draw_rect_dsc);
lv_area_t a;
a.x1 = dsc->p1->x;
a.x2 = dsc->p2->x - 1;
a.y1 = LV_MIN(dsc->p1->y, dsc->p2->y);
a.y2 = obj->coords.y2;
lv_draw_rect(&a, dsc->clip_area, &draw_rect_dsc);
/*Remove the masks*/
lv_draw_mask_remove_id(line_mask_id);
lv_draw_mask_remove_id(fade_mask_id);
}
/*Remove the masks*/
lv_draw_mask_remove_id(line_mask_id);
lv_draw_mask_remove_id(fade_mask_id);
}
static void add_data(lv_timer_t * timer)
@@ -68,7 +65,7 @@ void lv_example_chart_2(void)
lv_obj_center(chart1);
lv_chart_set_type(chart1, LV_CHART_TYPE_LINE); /*Show lines and points too*/
lv_obj_add_event_cb(chart1, event_cb, NULL);
lv_obj_add_event_cb(chart1, draw_event_cb, LV_EVENT_DRAW_PART_BEGIN, NULL);
lv_chart_set_update_mode(chart1, LV_CHART_UPDATE_MODE_CIRCULAR);
/*Add two data series*/

15
examples/widgets/chart/lv_example_chart_3.c
View File

@@ -1,15 +1,12 @@
#include "../../lv_examples.h"
#if LV_USE_CHART && LV_BUILD_EXAMPLES
static void event_cb(lv_event_t * e)
static void draw_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
if(code == LV_EVENT_DRAW_PART_BEGIN) {
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
if(dsc->part == LV_PART_TICKS && dsc->id == LV_CHART_AXIS_X) {
const char * month[] = {"Jan", "Febr", "March", "Apr", "May", "Jun", "July", "Aug", "Sept", "Oct", "Nov", "Dec"};
lv_snprintf(dsc->text, sizeof(dsc->text), "%s", month[dsc->value]);
}
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
if(dsc->part == LV_PART_TICKS && dsc->id == LV_CHART_AXIS_X) {
const char * month[] = {"Jan", "Febr", "March", "Apr", "May", "Jun", "July", "Aug", "Sept", "Oct", "Nov", "Dec"};
lv_snprintf(dsc->text, sizeof(dsc->text), "%s", month[dsc->value]);
}
}
@@ -27,7 +24,7 @@ void lv_example_chart_3(void)
lv_chart_set_range(chart, LV_CHART_AXIS_PRIMARY_Y, 0, 100);
lv_chart_set_range(chart, LV_CHART_AXIS_SECONDARY_Y, 0, 400);
lv_chart_set_point_count(chart, 12);
lv_obj_add_event_cb(chart, event_cb, NULL);
lv_obj_add_event_cb(chart, draw_event_cb, LV_EVENT_DRAW_PART_BEGIN, NULL);
/*Add ticks and label to every axis*/
lv_chart_set_axis_tick(chart, LV_CHART_AXIS_X, 10, 5, 12, 3, true, 40);

2
examples/widgets/chart/lv_example_chart_4.c
View File

@@ -64,7 +64,7 @@ void lv_example_chart_4(void)
lv_obj_set_size(chart, 200, 150);
lv_obj_center(chart);
lv_obj_add_event_cb(chart, event_cb, NULL);
lv_obj_add_event_cb(chart, event_cb, LV_EVENT_ALL, NULL);
lv_obj_refresh_ext_draw_size(chart);
/*Zoom in a little in X*/

17
examples/widgets/chart/lv_example_chart_5.c
View File

@@ -48,21 +48,16 @@ static const lv_coord_t ecg_sample[] = {
static void slider_x_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_VALUE_CHANGED) {
int32_t v = lv_slider_get_value(obj);
lv_chart_set_zoom_x(chart, v);
}
int32_t v = lv_slider_get_value(obj);
lv_chart_set_zoom_x(chart, v);
}
static void slider_y_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_VALUE_CHANGED) {
lv_chart_set_zoom_y(chart, lv_slider_get_value(obj));
}
int32_t v = lv_slider_get_value(obj);
lv_chart_set_zoom_y(chart, v);
}
/**
@@ -90,13 +85,13 @@ void lv_example_chart_5(void)
lv_obj_t * slider;
slider = lv_slider_create(lv_scr_act());
lv_slider_set_range(slider, LV_IMG_ZOOM_NONE, LV_IMG_ZOOM_NONE * 10);
lv_obj_add_event_cb(slider, slider_x_event_cb, NULL);
lv_obj_add_event_cb(slider, slider_x_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_set_size(slider, lv_obj_get_width(chart), 10);
lv_obj_align_to(slider, chart, LV_ALIGN_OUT_BOTTOM_MID, 0, 20);
slider = lv_slider_create(lv_scr_act());
lv_slider_set_range(slider, LV_IMG_ZOOM_NONE, LV_IMG_ZOOM_NONE * 10);
lv_obj_add_event_cb(slider, slider_y_event_cb, NULL);
lv_obj_add_event_cb(slider, slider_y_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_set_size(slider, 10, lv_obj_get_height(chart));
lv_obj_align_to(slider, chart, LV_ALIGN_OUT_RIGHT_MID, 20, 0);
}

2
examples/widgets/chart/lv_example_chart_6.c
View File

@@ -67,7 +67,7 @@ void lv_example_chart_6(void)
lv_chart_set_axis_tick(chart, LV_CHART_AXIS_PRIMARY_Y, 10, 5, 6, 5, true, 40);
lv_chart_set_axis_tick(chart, LV_CHART_AXIS_X, 10, 5, 10, 1, true, 30);
lv_obj_add_event_cb(chart, event_cb, NULL);
lv_obj_add_event_cb(chart, event_cb, LV_EVENT_ALL, NULL);
lv_obj_refresh_ext_draw_size(chart);
cursor = lv_chart_add_cursor(chart, lv_color_blue(), LV_DIR_LEFT | LV_DIR_BOTTOM);

8
examples/widgets/checkbox/lv_example_checkbox_1.c
View File

@@ -20,22 +20,22 @@ void lv_example_checkbox_1(void)
lv_obj_t * cb;
cb = lv_checkbox_create(lv_scr_act());
lv_checkbox_set_text(cb, "Apple");
lv_obj_add_event_cb(cb, event_handler, NULL);
lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
cb = lv_checkbox_create(lv_scr_act());
lv_checkbox_set_text(cb, "Banana");
lv_obj_add_state(cb, LV_STATE_CHECKED);
lv_obj_add_event_cb(cb, event_handler, NULL);
lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
cb = lv_checkbox_create(lv_scr_act());
lv_checkbox_set_text(cb, "Lemon");
lv_obj_add_state(cb, LV_STATE_DISABLED);
lv_obj_add_event_cb(cb, event_handler, NULL);
lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
cb = lv_checkbox_create(lv_scr_act());
lv_obj_add_state(cb, LV_STATE_CHECKED | LV_STATE_DISABLED);
lv_checkbox_set_text(cb, "Melon");
lv_obj_add_event_cb(cb, event_handler, NULL);
lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
}
#endif

2
examples/widgets/dropdown/lv_example_dropdown_1.c
View File

@@ -29,7 +29,7 @@ void lv_example_dropdown_1(void)
"Nuts");
lv_obj_align(dd, LV_ALIGN_TOP_MID, 0, 20);
lv_obj_add_event_cb(dd, event_handler, NULL);
lv_obj_add_event_cb(dd, event_handler, LV_EVENT_ALL, NULL);
}
#endif

11
examples/widgets/dropdown/lv_example_dropdown_3.c
View File

@@ -3,13 +3,10 @@
static void event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * dropdown = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
char buf[64];
lv_dropdown_get_selected_str(dropdown, buf, sizeof(buf));
LV_LOG_USER("'%s' is selected", buf);
}
char buf[64];
lv_dropdown_get_selected_str(dropdown, buf, sizeof(buf));
LV_LOG_USER("'%s' is selected", buf);
}
/**
@@ -38,7 +35,7 @@ void lv_example_dropdown_3(void)
/*In a menu we don't need to show the last clicked item*/
lv_dropdown_set_selected_highlight(dropdown, false);
lv_obj_add_event_cb(dropdown, event_cb, NULL);
lv_obj_add_event_cb(dropdown, event_cb, LV_EVENT_VALUE_CHANGED, NULL);
}
#endif

16
examples/widgets/img/lv_example_img_2.c
View File

@@ -40,15 +40,13 @@ void lv_example_img_2(void)
static void slider_event_cb(lv_event_t * e)
{
LV_UNUSED(e);
lv_event_code_t code = lv_event_get_code(e);
if(code == LV_EVENT_VALUE_CHANGED) {
/*Recolor the image based on the sliders' values*/
lv_color_t color = lv_color_make(lv_slider_get_value(red_slider), lv_slider_get_value(green_slider), lv_slider_get_value(blue_slider));
lv_opa_t intense = lv_slider_get_value(intense_slider);
lv_obj_set_style_img_recolor_opa(img1, intense, 0);
lv_obj_set_style_img_recolor(img1, color, 0);
}
/*Recolor the image based on the sliders' values*/
lv_color_t color = lv_color_make(lv_slider_get_value(red_slider), lv_slider_get_value(green_slider), lv_slider_get_value(blue_slider));
lv_opa_t intense = lv_slider_get_value(intense_slider);
lv_obj_set_style_img_recolor_opa(img1, intense, 0);
lv_obj_set_style_img_recolor(img1, color, 0);
}
static lv_obj_t * create_slider(lv_color_t color)
@@ -58,7 +56,7 @@ static lv_obj_t * create_slider(lv_color_t color)
lv_obj_set_size(slider, 10, 200);
lv_obj_set_style_bg_color(slider, color, LV_PART_KNOB);
lv_obj_set_style_bg_color(slider, lv_color_darken(color, LV_OPA_40), LV_PART_INDICATOR);
lv_obj_add_event_cb(slider, slider_event_cb, NULL);
lv_obj_add_event_cb(slider, slider_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
return slider;
}

4
examples/widgets/keyboard/lv_example_keyboard_1.c
View File

@@ -26,12 +26,12 @@ void lv_example_keyboard_1(void)
lv_obj_t * ta;
ta = lv_textarea_create(lv_scr_act());
lv_obj_align(ta, LV_ALIGN_TOP_LEFT, 10, 10);
lv_obj_add_event_cb(ta, ta_event_cb, kb);
lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_ALL, kb);
lv_textarea_set_placeholder_text(ta, "Hello");
ta = lv_textarea_create(lv_scr_act());
lv_obj_align(ta, LV_ALIGN_TOP_RIGHT, -10, 10);
lv_obj_add_event_cb(ta, ta_event_cb, kb);
lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_ALL, kb);
lv_keyboard_set_textarea(kb, ta);
}

7
examples/widgets/msgbox/lv_example_msgbox_1.c
View File

@@ -3,11 +3,8 @@
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_VALUE_CHANGED) {
LV_LOG_USER("Button %s clicked", lv_msgbox_get_active_btn_text(obj));
}
LV_LOG_USER("Button %s clicked", lv_msgbox_get_active_btn_text(obj));
}
void lv_example_msgbox_1(void)
@@ -15,7 +12,7 @@ void lv_example_msgbox_1(void)
static const char * btns[] ={"Apply", "Close", ""};
lv_obj_t * mbox1 = lv_msgbox_create("Hello", "This is a message box with two buttons.", btns, true);
lv_obj_add_event_cb(mbox1, event_cb, NULL);
lv_obj_add_event_cb(mbox1, event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_center(mbox1);
}

2
examples/widgets/roller/lv_example_roller_1.c
View File

@@ -35,7 +35,7 @@ void lv_example_roller_1(void)
lv_roller_set_visible_row_count(roller1, 4);
lv_obj_center(roller1);
lv_obj_add_event_cb(roller1, event_handler, NULL);
lv_obj_add_event_cb(roller1, event_handler, LV_EVENT_ALL, NULL);
}
#endif

6
examples/widgets/roller/lv_example_roller_2.c
View File

@@ -33,7 +33,7 @@ void lv_example_roller_2(void)
lv_obj_add_style(roller, &style_sel, LV_PART_SELECTED);
lv_obj_set_style_text_align(roller, LV_TEXT_ALIGN_LEFT, 0);
lv_obj_align(roller, LV_ALIGN_LEFT_MID, 10, 0);
lv_obj_add_event_cb(roller, event_handler, NULL);
lv_obj_add_event_cb(roller, event_handler, LV_EVENT_ALL, NULL);
lv_roller_set_selected(roller, 2, LV_ANIM_OFF);
/*A roller on the middle with center aligned text, and auto (default) width*/
@@ -42,7 +42,7 @@ void lv_example_roller_2(void)
lv_roller_set_visible_row_count(roller, 3);
lv_obj_add_style(roller, &style_sel, LV_PART_SELECTED);
lv_obj_align(roller, LV_ALIGN_CENTER, 0, 0);
lv_obj_add_event_cb(roller, event_handler, NULL);
lv_obj_add_event_cb(roller, event_handler, LV_EVENT_ALL, NULL);
lv_roller_set_selected(roller, 5, LV_ANIM_OFF);
/*A roller on the right with right aligned text, and custom width*/
@@ -53,7 +53,7 @@ void lv_example_roller_2(void)
lv_obj_add_style(roller, &style_sel, LV_PART_SELECTED);
lv_obj_set_style_text_align(roller, LV_TEXT_ALIGN_RIGHT, 0);
lv_obj_align(roller, LV_ALIGN_RIGHT_MID, -10, 0);
lv_obj_add_event_cb(roller, event_handler, NULL);
lv_obj_add_event_cb(roller, event_handler, LV_EVENT_ALL, NULL);
lv_roller_set_selected(roller, 8, LV_ANIM_OFF);
}

13
examples/widgets/slider/lv_example_slider_1.c
View File

@@ -12,7 +12,7 @@ void lv_example_slider_1(void)
/*Create a slider in the center of the display*/
lv_obj_t * slider = lv_slider_create(lv_scr_act());
lv_obj_center(slider);
lv_obj_add_event_cb(slider, slider_event_cb, NULL);
lv_obj_add_event_cb(slider, slider_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
/*Create a label below the slider*/
slider_label = lv_label_create(lv_scr_act());
@@ -23,14 +23,11 @@ void lv_example_slider_1(void)
static void slider_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * slider = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
char buf[8];
lv_snprintf(buf, sizeof(buf), "%d%%", lv_slider_get_value(slider));
lv_label_set_text(slider_label, buf);
lv_obj_align_to(slider_label, slider, LV_ALIGN_OUT_BOTTOM_MID, 0, 10);
}
char buf[8];
lv_snprintf(buf, sizeof(buf), "%d%%", lv_slider_get_value(slider));
lv_label_set_text(slider_label, buf);
lv_obj_align_to(slider_label, slider, LV_ALIGN_OUT_BOTTOM_MID, 0, 10);
}
#endif

4
examples/widgets/spinbox/lv_example_spinbox_1.c
View File

@@ -36,13 +36,13 @@ void lv_example_spinbox_1(void)
lv_obj_set_size(btn, h, h);
lv_obj_align_to(btn, spinbox, LV_ALIGN_OUT_RIGHT_MID, 5, 0);
lv_obj_set_style_bg_img_src(btn, LV_SYMBOL_PLUS, 0);
lv_obj_add_event_cb(btn, lv_spinbox_increment_event_cb, NULL);
lv_obj_add_event_cb(btn, lv_spinbox_increment_event_cb, LV_EVENT_ALL, NULL);
btn = lv_btn_create(lv_scr_act());
lv_obj_set_size(btn, h, h);
lv_obj_align_to(btn, spinbox, LV_ALIGN_OUT_LEFT_MID, -5, 0);
lv_obj_set_style_bg_img_src(btn, LV_SYMBOL_MINUS, 0);
lv_obj_add_event_cb(btn, lv_spinbox_decrement_event_cb, NULL);
lv_obj_add_event_cb(btn, lv_spinbox_decrement_event_cb, LV_EVENT_ALL, NULL);
}
#endif

8
examples/widgets/switch/lv_example_switch_1.c
View File

@@ -18,19 +18,19 @@ void lv_example_switch_1(void)
lv_obj_t * sw;
sw = lv_switch_create(lv_scr_act());
lv_obj_add_event_cb(sw, event_handler, NULL);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
sw = lv_switch_create(lv_scr_act());
lv_obj_add_state(sw, LV_STATE_CHECKED);
lv_obj_add_event_cb(sw, event_handler, NULL);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
sw = lv_switch_create(lv_scr_act());
lv_obj_add_state(sw, LV_STATE_DISABLED);
lv_obj_add_event_cb(sw, event_handler, NULL);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
sw = lv_switch_create(lv_scr_act());
lv_obj_add_state(sw, LV_STATE_CHECKED | LV_STATE_DISABLED);
lv_obj_add_event_cb(sw, event_handler, NULL);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
}
#endif

45
examples/widgets/table/lv_example_table_1.c
View File

@@ -1,33 +1,30 @@
#include "../../lv_examples.h"
#if LV_USE_TABLE && LV_BUILD_EXAMPLES
static void event_cb(lv_event_t * e)
static void draw_part_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_dsc_t * dsc = lv_event_get_param(e);
/*If the cells are drawn...*/
if(dsc->part == LV_PART_ITEMS) {
uint32_t row = dsc->id / lv_table_get_col_cnt(obj);
uint32_t col = dsc->id - row * lv_table_get_col_cnt(obj);
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
/*If the cells are drawn...*/
if(dsc->part == LV_PART_ITEMS) {
uint32_t row = dsc->id / lv_table_get_col_cnt(obj);
uint32_t col = dsc->id - row * lv_table_get_col_cnt(obj);
/*Make the texts in the first cell center aligned*/
if(row == 0) {
dsc->label_dsc->align = LV_TEXT_ALIGN_CENTER;
dsc->rect_dsc->bg_color = lv_color_mix(lv_color_blue(), dsc->rect_dsc->bg_color, LV_OPA_20);
dsc->rect_dsc->bg_opa = LV_OPA_COVER;
}
/*In the first column align the texts to the right*/
else if(col == 0) {
dsc->label_dsc->flag = LV_TEXT_ALIGN_RIGHT;
}
/*Make the texts in the first cell center aligned*/
if(row == 0) {
dsc->label_dsc->align = LV_TEXT_ALIGN_CENTER;
dsc->rect_dsc->bg_color = lv_color_mix(lv_color_blue(), dsc->rect_dsc->bg_color, LV_OPA_20);
dsc->rect_dsc->bg_opa = LV_OPA_COVER;
}
/*In the first column align the texts to the right*/
else if(col == 0) {
dsc->label_dsc->flag = LV_TEXT_ALIGN_RIGHT;
}
/*MAke every 2nd row grayish*/
if((row != 0 && row % 2) == 0) {
dsc->rect_dsc->bg_color = lv_color_mix(lv_color_grey(), dsc->rect_dsc->bg_color, LV_OPA_10);
dsc->rect_dsc->bg_opa = LV_OPA_COVER;
}
/*MAke every 2nd row grayish*/
if((row != 0 && row % 2) == 0) {
dsc->rect_dsc->bg_color = lv_color_mix(lv_color_grey(), dsc->rect_dsc->bg_color, LV_OPA_10);
dsc->rect_dsc->bg_opa = LV_OPA_COVER;
}
}
}
@@ -62,7 +59,7 @@ void lv_example_table_1(void)
lv_obj_center(table);
/*Add an event callback to to apply some custom drawing*/
lv_obj_add_event_cb(table, event_cb, NULL);
lv_obj_add_event_cb(table, draw_part_event_cb, LV_EVENT_DRAW_PART_BEGIN, NULL);
}
#endif

75
examples/widgets/table/lv_example_table_2.c
View File

@@ -3,49 +3,49 @@
#define ITEM_CNT 200
static void event_cb(lv_event_t * e)
static void draw_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_END) {
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
/*If the cells are drawn...*/
if(dsc->part == LV_PART_ITEMS) {
bool chk = lv_table_has_cell_ctrl(obj, dsc->id, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
lv_obj_draw_dsc_t * dsc = lv_event_get_param(e);
/*If the cells are drawn...*/
if(dsc->part == LV_PART_ITEMS) {
bool chk = lv_table_has_cell_ctrl(obj, dsc->id, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
lv_draw_rect_dsc_t rect_dsc;
lv_draw_rect_dsc_init(&rect_dsc);
rect_dsc.bg_color = chk ? lv_theme_get_color_primary(obj) : lv_color_grey_lighten_2();
rect_dsc.radius = LV_RADIUS_CIRCLE;
lv_draw_rect_dsc_t rect_dsc;
lv_draw_rect_dsc_init(&rect_dsc);
rect_dsc.bg_color = chk ? lv_theme_get_color_primary(obj) : lv_color_grey_lighten_2();
rect_dsc.radius = LV_RADIUS_CIRCLE;
lv_area_t sw_area;
sw_area.x1 = dsc->draw_area->x2 - 50;
sw_area.x2 = sw_area.x1 + 40;
sw_area.y1 = dsc->draw_area->y1 + lv_area_get_height(dsc->draw_area) / 2 - 10;
sw_area.y2 = sw_area.y1 + 20;
lv_draw_rect(&sw_area, dsc->clip_area, &rect_dsc);
lv_area_t sw_area;
sw_area.x1 = dsc->draw_area->x2 - 50;
sw_area.x2 = sw_area.x1 + 40;
sw_area.y1 = dsc->draw_area->y1 + lv_area_get_height(dsc->draw_area) / 2 - 10;
sw_area.y2 = sw_area.y1 + 20;
lv_draw_rect(&sw_area, dsc->clip_area, &rect_dsc);
rect_dsc.bg_color = lv_color_white();
if(chk) {
sw_area.x2 -= 2;
sw_area.x1 = sw_area.x2 - 16;
} else {
sw_area.x1 += 2;
sw_area.x2 = sw_area.x1 + 16;
}
sw_area.y1 += 2;
sw_area.y2 -= 2;
lv_draw_rect(&sw_area, dsc->clip_area, &rect_dsc);
rect_dsc.bg_color = lv_color_white();
if(chk) {
sw_area.x2 -= 2;
sw_area.x1 = sw_area.x2 - 16;
} else {
sw_area.x1 += 2;
sw_area.x2 = sw_area.x1 + 16;
}
sw_area.y1 += 2;
sw_area.y2 -= 2;
lv_draw_rect(&sw_area, dsc->clip_area, &rect_dsc);
}
else if(code == LV_EVENT_VALUE_CHANGED) {
uint16_t col;
uint16_t row;
lv_table_get_selected_cell(obj, &row, &col);
bool chk = lv_table_has_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
if(chk) lv_table_clear_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
else lv_table_add_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
}
}
static void change_event_cb(lv_event_t * e)
{
lv_obj_t * obj = lv_event_get_target(e);
uint16_t col;
uint16_t row;
lv_table_get_selected_cell(obj, &row, &col);
bool chk = lv_table_has_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
if(chk) lv_table_clear_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
else lv_table_add_cell_ctrl(obj, row, 0, LV_TABLE_CELL_CTRL_CUSTOM_1);
}
@@ -80,7 +80,8 @@ void lv_example_table_2(void)
lv_obj_align(table, LV_ALIGN_CENTER, 0, -20);
/*Add an event callback to to apply some custom drawing*/
lv_obj_add_event_cb(table, event_cb, NULL);
lv_obj_add_event_cb(table, draw_event_cb, LV_EVENT_DRAW_PART_BEGIN, NULL);
lv_obj_add_event_cb(table, change_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_mem_monitor_t mon2;
lv_mem_monitor(&mon2);

15
examples/widgets/textarea/lv_example_textarea_1.c
View File

@@ -4,17 +4,14 @@
static void btnm_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) {
lv_obj_t * ta = lv_event_get_user_data(e);
const char * txt = lv_btnmatrix_get_btn_text(obj, lv_btnmatrix_get_selected_btn(obj));
lv_obj_t * ta = lv_event_get_user_data(e);
const char * txt = lv_btnmatrix_get_btn_text(obj, lv_btnmatrix_get_selected_btn(obj));
if(strcmp(txt, LV_SYMBOL_BACKSPACE) == 0) lv_textarea_del_char(ta);
else if(strcmp(txt, LV_SYMBOL_NEW_LINE) == 0) lv_textarea_add_char(ta, '\n');
else lv_textarea_add_text(ta, txt);
if(strcmp(txt, LV_SYMBOL_BACKSPACE) == 0) lv_textarea_del_char(ta);
else if(strcmp(txt, LV_SYMBOL_NEW_LINE) == 0) lv_textarea_add_char(ta, '\n');
else lv_textarea_add_text(ta, txt);
}
}
void lv_example_textarea_1(void)
@@ -32,7 +29,7 @@ void lv_example_textarea_1(void)
lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
lv_obj_set_size(btnm, 200, 150);
lv_obj_align(btnm, LV_ALIGN_BOTTOM_MID, 0, -10);
lv_obj_add_event_cb(btnm, btnm_event_handler, ta);
lv_obj_add_event_cb(btnm, btnm_event_handler, LV_EVENT_VALUE_CHANGED, ta);
lv_obj_clear_flag(btnm, LV_OBJ_FLAG_CLICK_FOCUSABLE); /*To keep the text area focused on button clicks*/
lv_btnmatrix_set_map(btnm, btnm_map);
}

2
examples/widgets/textarea/lv_example_textarea_2.c
View File

@@ -14,7 +14,7 @@ void lv_example_textarea_2(void)
lv_textarea_set_one_line(pwd_ta, true);
lv_obj_set_width(pwd_ta, LV_HOR_RES / 2 - 20);
lv_obj_set_pos(pwd_ta, 5, 20);
lv_obj_add_event_cb(pwd_ta, ta_event_cb, NULL);
lv_obj_add_event_cb(pwd_ta, ta_event_cb, LV_EVENT_ALL, NULL);
/*Create a label and position it above the text box*/
lv_obj_t * pwd_label = lv_label_create(lv_scr_act());

19
examples/widgets/textarea/lv_example_textarea_3.c
View File

@@ -13,7 +13,7 @@ void lv_example_textarea_3(void)
{
/*Create the text area*/
lv_obj_t * ta = lv_textarea_create(lv_scr_act());
lv_obj_add_event_cb(ta, ta_event_cb, NULL);
lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_textarea_set_accepted_chars(ta, "0123456789:");
lv_textarea_set_max_length(ta, 5);
lv_textarea_set_one_line(ta, true);
@@ -28,17 +28,14 @@ void lv_example_textarea_3(void)
static void ta_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * ta = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
const char * txt = lv_textarea_get_text(ta);
if(txt[0] >= '0' && txt[0] <= '9' &&
txt[1] >= '0' && txt[1] <= '9' &&
txt[2] != ':')
{
lv_textarea_set_cursor_pos(ta, 2);
lv_textarea_add_char(ta, ':');
}
const char * txt = lv_textarea_get_text(ta);
if(txt[0] >= '0' && txt[0] <= '9' &&
txt[1] >= '0' && txt[1] <= '9' &&
txt[2] != ':')
{
lv_textarea_set_cursor_pos(ta, 2);
lv_textarea_add_char(ta, ':');
}
}