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lv_mbox: mem. usage optimization (create title and btnh only if necessary)

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This commit is contained in:
Kiss-Vamosi Gabor 2017-01-17 00:49:16 +01:00
parent 2de1f4363c
commit a0c35464ef
1 changed files with 50 additions and 56 deletions
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106
lv_objx/lv_mbox.c
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@ -83,37 +83,29 @@ lv_obj_t * lv_mbox_create(lv_obj_t * par, lv_obj_t * copy)
lv_rect_set_layout(new_mbox, LV_RECT_LAYOUT_COL_L);
lv_rect_set_fit(new_mbox, true, true);
ext->title = lv_label_create(new_mbox, NULL);
lv_label_set_text(ext->title, "MESSAGE BOX");
ext->txt = lv_label_create(new_mbox, NULL);
lv_label_set_text(ext->txt, "Text of the message box");
ext->btnh = lv_rect_create(new_mbox, NULL);
lv_rect_set_fit(ext->btnh, false, true);
lv_rect_set_layout(ext->btnh, LV_RECT_LAYOUT_PRETTY);
lv_obj_set_hidden(ext->btnh, true); /*Initially hidden, the first button will unhide it */
lv_obj_set_style(new_mbox, lv_mboxs_get(LV_MBOXS_DEF, NULL));
}
/*Copy an existing message box*/
else {
lv_mbox_ext_t * copy_ext = lv_obj_get_ext(copy);
ext->title = lv_label_create(new_mbox, copy_ext->title);
ext->txt = lv_label_create(new_mbox, copy_ext->txt);
ext->btnh = lv_rect_create(new_mbox, copy_ext->btnh);
lv_mbox_set_title(new_mbox, lv_mbox_get_title(copy));
/*Copy the buttons and the label on them*/
lv_obj_t * btn;
lv_obj_t * new_btn;
btn = lv_obj_get_child(copy_ext->btnh, NULL);
while(btn != NULL) {
new_btn = lv_btnm_create(ext->btnh, btn);
lv_label_create(new_btn, lv_obj_get_child(btn, NULL));
btn = lv_obj_get_child(copy_ext->btnh, btn);
if(copy_ext->btnh != NULL) {
lv_obj_t * btn;
const char * btn_txt;
btn = lv_obj_get_child(copy_ext->btnh, NULL);
while(btn != NULL) {
btn_txt = lv_label_get_text(lv_obj_get_child(btn, NULL));
lv_mbox_add_btn(new_mbox, btn_txt, LV_EA(btn, lv_btn_ext_t)->rel_action);
btn = lv_obj_get_child(copy_ext->btnh, btn);
}
}
/*Refresh the style with new signal function*/
lv_obj_refr_style(new_mbox);
}
@ -165,29 +157,22 @@ bool lv_mbox_signal(lv_obj_t * mbox, lv_signal_t sign, void * param)
lv_dispi_wait_release(param);
break;
case LV_SIGNAL_STYLE_CHG:
lv_obj_set_style(ext->title, &style->title);
if(ext->title != NULL) lv_obj_set_style(ext->title, &style->title);
lv_obj_set_style(ext->txt, &style->txt);
lv_obj_set_style(ext->btnh, &style->btnh);
if(ext->btnh != NULL) lv_obj_set_style(ext->btnh, &style->btnh);
/*Refresh all the buttons*/
btn = lv_obj_get_child(ext->btnh, NULL);
while(btn != NULL) {
/*Refresh the next button's style*/
lv_obj_set_style(btn, &style->btn);
if(ext->btnh != NULL) {
btn = lv_obj_get_child(ext->btnh, NULL);
while(btn != NULL) {
/*Refresh the next button's style*/
lv_obj_set_style(btn, &style->btn);
/*Refresh the button label too*/
lv_obj_set_style(lv_obj_get_child(btn, NULL), &style->btn_label);
btn = lv_obj_get_child(ext->btnh, NULL);
/*Refresh the button label too*/
lv_obj_set_style(lv_obj_get_child(btn, NULL), &style->btn_label);
btn = lv_obj_get_child(ext->btnh, btn);
}
}
/*Hide the title and/or buttons*/
const char * title_txt = lv_label_get_text(ext->title);
if(title_txt[0] == '\0') lv_obj_set_hidden(ext->btnh, true);
else lv_obj_set_hidden(ext->btnh, false);
if(lv_obj_get_child_num(ext->btnh) == 0) lv_obj_set_hidden(ext->btnh, true);
else lv_obj_set_hidden(ext->btnh, false);
break;
default:
break;
@ -209,12 +194,21 @@ bool lv_mbox_signal(lv_obj_t * mbox, lv_signal_t sign, void * param)
void lv_mbox_set_title(lv_obj_t * mbox, const char * title)
{
lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
lv_mboxs_t * style = lv_obj_get_style(mbox);
lv_label_set_text(ext->title, title);
/*Hide the title if it is an empty text*/
if(title[0] == '\0') lv_obj_set_hidden(ext->title, true);
else if (lv_obj_get_hidden(ext->title) != false) lv_obj_set_hidden(ext->title, false);
if(title[0] != '\0') {
if(ext->title == NULL) {
ext->title = lv_label_create(mbox, NULL);
lv_obj_set_style(ext->title, &style->title);
/*Set the other parents again. It will look like they were created later */
lv_obj_set_parent(ext->txt, mbox);
if(ext->btnh != NULL) lv_obj_set_parent(ext->btnh, mbox);
}
lv_label_set_text(ext->title, title);
} else if(ext->title != NULL) {
lv_obj_del(ext->title);
ext->title = NULL;
}
lv_mbox_realign(mbox);
}
@ -244,6 +238,15 @@ lv_obj_t * lv_mbox_add_btn(lv_obj_t * mbox, const char * btn_txt, lv_action_t re
lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
lv_mboxs_t * style = lv_obj_get_style(mbox);
/*Create a button if it is not existed yet*/
if(ext->btnh == NULL) {
ext->btnh = lv_rect_create(mbox, NULL);
lv_obj_set_style(ext->btnh, &style->btnh);
lv_obj_set_click(ext->btnh, false);
lv_rect_set_fit(ext->btnh, false, true);
lv_rect_set_layout(ext->btnh, LV_RECT_LAYOUT_PRETTY);
}
lv_obj_t * btn;
btn = lv_btn_create(ext->btnh, NULL);
lv_btn_set_rel_action(btn, rel_action);
@ -255,15 +258,6 @@ lv_obj_t * lv_mbox_add_btn(lv_obj_t * mbox, const char * btn_txt, lv_action_t re
lv_obj_set_style(label, &style->btn_label);
lv_label_set_text(label, btn_txt);
/*With 1 button set center layout but from 2 set pretty*/
uint16_t child_num = lv_obj_get_child_num(ext->btnh);
if(child_num == 1) {
lv_obj_set_hidden(ext->btnh, false);
lv_rect_set_layout(ext->btnh, LV_RECT_LAYOUT_CENTER);
} else if (child_num == 2) {
lv_rect_set_layout(ext->btnh, LV_RECT_LAYOUT_PRETTY);
}
lv_mbox_realign(mbox);
return btn;
@ -326,7 +320,7 @@ const char * lv_mbox_get_title(lv_obj_t * mbox)
{
lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
return lv_label_get_text(ext->title);
return ext->title == NULL ? "" : lv_label_get_text(ext->title);
}
/**
@ -438,11 +432,11 @@ static void lv_mbox_realign(lv_obj_t * mbox)
{
lv_mbox_ext_t * ext = lv_obj_get_ext(mbox);
if(ext->btnh == NULL || ext->title == NULL || ext->txt == NULL) return;
if(ext->txt == NULL) return;
/*Set the button holder width to the width of the text and title*/
if(lv_obj_get_hidden(ext->btnh) == false) {
cord_t title_w = lv_obj_get_width(ext->title);
if(ext->btnh != NULL) {
cord_t title_w = ext->title == NULL ? 0 :lv_obj_get_width(ext->title);
cord_t txt_w = lv_obj_get_width(ext->txt);
cord_t btn_w = 0;
lv_obj_t * btn;
@ -459,7 +453,7 @@ static void lv_mbox_realign(lv_obj_t * mbox)
}
/**
* CAlled when the close animations starts to disable the recargle's fit
* Called when the close animations starts to disable the recargle's fit
* @param mbox ppointer to message box object
*/
static void lv_mbox_disable_fit(lv_obj_t * mbox)