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

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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
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10
examples/widgets/btnmatrix/lv_example_btnmatrix_2.c
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@@ -9,7 +9,9 @@ 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*/
/*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);
@@ -20,7 +22,7 @@ static void event_cb(lv_event_t * e)
dsc->rect_dsc->shadow_ofs_y = 3;
dsc->label_dsc->color = lv_color_white();
}
/*Change the draw descriptor the 3rd button*/
/*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);
@@ -33,9 +35,12 @@ static void event_cb(lv_event_t * e)
}
}
}
if(code == LV_EVENT_DRAW_PART_END) {
lv_obj_draw_part_dsc_t * dsc = lv_event_get_draw_part_dsc(e);
/*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);
@@ -58,6 +63,7 @@ static void event_cb(lv_event_t * e)
}
}
}
}
/**
* Add custom drawer to the button matrix to customize buttons one by one