github-code/lvgl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

example(btnmatrix): update lv_example_btnmatrix_2 to expicitly check which part is drawn

Browse Source 
related to https://forum.lvgl.io/t/style-messagebox-buttons-causes-outline-around-all-buttons-in-the-button-matrix/9170
This commit is contained in:
Gabor Kiss-Vamosi
2022-06-23 13:24:49 +02:00
parent 3b95fa8397
commit 6b2eac1dd7
1 changed files with 41 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
examples/widgets/btnmatrix/lv_example_btnmatrix_2.c
View File

@@ -9,52 +9,58 @@ static void event_cb(lv_event_t * e)
if(code == LV_EVENT_DRAW_PART_BEGIN) {
lv_obj_draw_part_dsc_t * dsc = lv_event_get_draw_part_dsc(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);
/*When the button matrix draws the buttons...*/
if(dsc->class_p == &lv_btnmatrix_class && dsc->type == LV_BTNMATRIX_DRAW_PART_BTN) {
/*Change the draw descriptor of 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->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 of 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*/
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_draw_part_dsc(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;
/*When the button matrix draws the buttons...*/
if(dsc->class_p == &lv_btnmatrix_class && dsc->type == LV_BTNMATRIX_DRAW_PART_BTN) {
/*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_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_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(dsc->draw_ctx, &img_draw_dsc, &a, &img_star);
lv_draw_img(dsc->draw_ctx, &img_draw_dsc, &a, &img_star);
}
}
}
}