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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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examples/widgets/table/lv_example_table_1.c
+21 -24
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
examples/widgets/table/lv_example_table_2.c
+38 -37
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);