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lv_ta: minor updates on API

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This commit is contained in:
Gabor Kiss-Vamosi 2017-11-05 15:19:36 +01:00
parent 4412b13928
commit 8eb4317e37
2 changed files with 105 additions and 119 deletions
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206
lv_objx/lv_ta.c
View File

@ -42,6 +42,8 @@
**********************/
static bool lv_ta_design(lv_obj_t * ta, const area_t * mask, lv_design_mode_t mode);
static bool lv_ta_scrollable_design(lv_obj_t * scrl, const area_t * mask, lv_design_mode_t mode);
static lv_res_t lv_ta_signal(lv_obj_t * ta, lv_signal_t sign, void * param);
static lv_res_t lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param);
static void cursor_blink_anim(lv_obj_t * ta, uint8_t show);
static void pwd_char_hider_anim(lv_obj_t * ta, int32_t x);
static void pwd_char_hider(lv_obj_t * ta);
@ -109,9 +111,9 @@ lv_obj_t * lv_ta_create(lv_obj_t * par, lv_obj_t * copy)
lv_label_set_text(ext->label, "Text area");
lv_obj_set_click(ext->label, false);
lv_obj_set_style(new_ta, &lv_style_pretty);
lv_page_set_sb_mode(new_ta, LV_PAGE_SB_MODE_DRAG);
lv_obj_set_style(lv_page_get_scrl(new_ta), &lv_style_transp_fit);
lv_obj_set_size(new_ta, LV_TA_DEF_WIDTH, LV_TA_DEF_HEIGHT);
lv_ta_set_sb_mode(new_ta, LV_PAGE_SB_MODE_DRAG);
}
/*Copy an existing object*/
else {
@ -148,102 +150,6 @@ lv_obj_t * lv_ta_create(lv_obj_t * par, lv_obj_t * copy)
return new_ta;
}
/**
* Signal function of the text area
* @param ta pointer to a text area object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return true: the object is still valid (not deleted), false: the object become invalid
*/
bool lv_ta_signal(lv_obj_t * ta, lv_signal_t sign, void * param)
{
bool valid;
/* Include the ancient signal function */
valid = ancestor_signal(ta, sign, param);
/* The object can be deleted so check its validity and then
* make the object specific signal handling */
if(valid != false) {
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
if(sign == LV_SIGNAL_CLEANUP) {
if(ext->pwd_tmp != NULL) dm_free(ext->pwd_tmp);
/* (The created label will be deleted automatically) */
} else if(sign == LV_SIGNAL_STYLE_CHG) {
if(ext->label) {
lv_obj_t * scrl = lv_page_get_scrl(ta);
lv_style_t * style_ta = lv_obj_get_style(ta);
lv_style_t * style_scrl = lv_obj_get_style(scrl);
if(ext->one_line) { /*In one line mode refresh the Text Area height because 'vpad' can modify it*/
lv_style_t * style_label = lv_obj_get_style(ext->label);
cord_t font_h = font_get_height(style_label->text.font) >> FONT_ANTIALIAS;
lv_obj_set_height(ta, font_h + (style_ta->body.padding.ver + style_scrl->body.padding.ver) * 2);
} else { /*In not one line mode refresh the Label width because 'hpad' can modify it*/
lv_obj_set_width(ext->label, lv_obj_get_width(scrl) - 2 * style_scrl->body.padding.hor);
lv_obj_set_pos(ext->label, style_scrl->body.padding.hor, style_scrl->body.padding.ver); /*Be sure the Label is in the correct position*/
}
lv_label_set_text(ext->label, NULL);
lv_obj_refresh_ext_size(lv_page_get_scrl(ta));
}
} else if(sign == LV_SIGNAL_CORD_CHG) {
/*Set the label width according to the text area width*/
if(ext->label) {
if(lv_obj_get_width(ta) != area_get_width(param) ||
lv_obj_get_height(ta) != area_get_height(param)) {
lv_obj_t * scrl = lv_page_get_scrl(ta);
lv_style_t * style_scrl = lv_obj_get_style(scrl);
lv_obj_set_width(ext->label, lv_obj_get_width(scrl) - 2 * style_scrl->body.padding.hor);
lv_obj_set_pos(ext->label, style_scrl->body.padding.hor, style_scrl->body.padding.ver);
lv_label_set_text(ext->label, NULL); /*Refresh the label*/
}
}
}
else if (sign == LV_SIGNAL_CONTROLL) {
char c = *((char*)param);
if(c == LV_GROUP_KEY_RIGHT) {
lv_ta_cursor_right(ta);
} else if(c == LV_GROUP_KEY_LEFT) {
lv_ta_cursor_left(ta);
} else if(c == LV_GROUP_KEY_UP) {
lv_ta_cursor_up(ta);
} else if(c == LV_GROUP_KEY_DOWN) {
lv_ta_cursor_down(ta);
}
}
}
return valid;
}
/**
* Signal function of the scrollable part of the text area
* @param scrl pointer to scrollable part of a text area object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return true: the object is still valid (not deleted), false: the object become invalid
*/
bool lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param)
{
bool valid;
/* Include the ancient signal function */
valid = scrl_signal(scrl, sign, param);
/* The object can be deleted so check its validity and then
* make the object specific signal handling */
if(valid != false) {
if(sign == LV_SIGNAL_REFR_EXT_SIZE) {
/*Set ext. size because the cursor might be out of this object*/
lv_obj_t * ta = lv_obj_get_parent(scrl);
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
lv_style_t * style_label = lv_obj_get_style(ext->label);
scrl->ext_size = MATH_MAX(scrl->ext_size, style_label->text.line_space + font_get_height(style_label->text.font));
}
}
return valid;
}
/*=====================
* Setter functions
*====================*/
@ -417,8 +323,7 @@ void lv_ta_del(lv_obj_t * ta)
void lv_ta_set_cursor_pos(lv_obj_t * ta, int16_t pos)
{
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
lv_obj_t * scrl = lv_page_get_scrl(ta);
uint16_t len = txt_len(lv_label_get_text(ext->label));
uint16_t len = txt_len(lv_label_get_text(ext->label));
if(pos < 0) pos = len + pos;
@ -598,6 +503,7 @@ void lv_ta_set_style(lv_obj_t * ta, lv_style_t *bg, lv_style_t *sb, lv_style_t *
{
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
ext->cursor_style = cur;
lv_page_set_style(ta, bg, &lv_style_transp_tight, sb);
}
@ -651,7 +557,7 @@ void lv_ta_set_one_line(lv_obj_t * ta, bool en)
cord_t font_h = font_get_height(style_label->text.font) >> FONT_ANTIALIAS;
ext->one_line = 1;
lv_cont_set_fit(lv_page_get_scrl(ta), true, true);
lv_page_set_scrl_fit(ta, true, true);
lv_obj_set_height(ta, font_h + (style_ta->body.padding.ver + style_scrl->body.padding.ver) * 2);
lv_label_set_long_mode(ext->label, LV_LABEL_LONG_EXPAND);
lv_label_set_no_break(ext->label, true);
@ -661,7 +567,7 @@ void lv_ta_set_one_line(lv_obj_t * ta, bool en)
lv_style_t * style_ta = lv_obj_get_style(ta);
ext->one_line = 0;
lv_cont_set_fit(lv_page_get_scrl(ta), false, true);
lv_page_set_scrl_fit(ta, false, true);
lv_label_set_long_mode(ext->label, LV_LABEL_LONG_BREAK);
lv_label_set_no_break(ext->label, false);
lv_obj_set_height(ta, LV_TA_DEF_HEIGHT);
@ -942,6 +848,104 @@ static bool lv_ta_scrollable_design(lv_obj_t * scrl, const area_t * mask, lv_des
return true;
}
/**
* Signal function of the text area
* @param ta pointer to a text area object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return true: the object is still valid (not deleted), false: the object become invalid
*/
static lv_res_t lv_ta_signal(lv_obj_t * ta, lv_signal_t sign, void * param)
{
lv_res_t res;
/* Include the ancient signal function */
res = ancestor_signal(ta, sign, param);
/* The object can be deleted so check its validity and then
* make the object specific signal handling */
if(res == LV_RES_OK) {
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
if(sign == LV_SIGNAL_CLEANUP) {
if(ext->pwd_tmp != NULL) dm_free(ext->pwd_tmp);
/* (The created label will be deleted automatically) */
} else if(sign == LV_SIGNAL_STYLE_CHG) {
if(ext->label) {
lv_obj_t * scrl = lv_page_get_scrl(ta);
lv_style_t * style_ta = lv_obj_get_style(ta);
lv_style_t * style_scrl = lv_obj_get_style(scrl);
if(ext->one_line) {
/*In one line mode refresh the Text Area height because 'vpad' can modify it*/
lv_style_t * style_label = lv_obj_get_style(ext->label);
cord_t font_h = font_get_height(style_label->text.font) >> FONT_ANTIALIAS;
lv_obj_set_height(ta, font_h + (style_ta->body.padding.ver + style_scrl->body.padding.ver) * 2);
} else {
/*In not one line mode refresh the Label width because 'hpad' can modify it*/
lv_obj_set_width(ext->label, lv_obj_get_width(scrl) - 2 * style_scrl->body.padding.hor);
lv_obj_set_pos(ext->label, style_scrl->body.padding.hor, style_scrl->body.padding.ver); /*Be sure the Label is in the correct position*/
}
lv_label_set_text(ext->label, NULL);
lv_obj_refresh_ext_size(scrl); /*Refresh ext. size because of cursor drawing*/
}
} else if(sign == LV_SIGNAL_CORD_CHG) {
/*Set the label width according to the text area width*/
if(ext->label) {
if(lv_obj_get_width(ta) != area_get_width(param) ||
lv_obj_get_height(ta) != area_get_height(param)) {
lv_obj_t * scrl = lv_page_get_scrl(ta);
lv_style_t * style_scrl = lv_obj_get_style(scrl);
lv_obj_set_width(ext->label, lv_obj_get_width(scrl) - 2 * style_scrl->body.padding.hor);
lv_obj_set_pos(ext->label, style_scrl->body.padding.hor, style_scrl->body.padding.ver);
lv_label_set_text(ext->label, NULL); /*Refresh the label*/
}
}
}
else if (sign == LV_SIGNAL_CONTROLL) {
char c = *((char*)param);
if(c == LV_GROUP_KEY_RIGHT) {
lv_ta_cursor_right(ta);
} else if(c == LV_GROUP_KEY_LEFT) {
lv_ta_cursor_left(ta);
} else if(c == LV_GROUP_KEY_UP) {
lv_ta_cursor_up(ta);
} else if(c == LV_GROUP_KEY_DOWN) {
lv_ta_cursor_down(ta);
}
}
}
return res;
}
/**
* Signal function of the scrollable part of the text area
* @param scrl pointer to scrollable part of a text area object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return true: the object is still valid (not deleted), false: the object become invalid
*/
static lv_res_t lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param)
{
lv_res_t res;
/* Include the ancient signal function */
res = scrl_signal(scrl, sign, param);
/* The object can be deleted so check its validity and then
* make the object specific signal handling */
if(res == LV_RES_OK) {
if(sign == LV_SIGNAL_REFR_EXT_SIZE) {
/*Set ext. size because the cursor might be out of this object*/
lv_obj_t * ta = lv_obj_get_parent(scrl);
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
lv_style_t * style_label = lv_obj_get_style(ext->label);
cord_t font_h = font_get_height(style_label->text.font) >> FONT_ANTIALIAS;
scrl->ext_size = MATH_MAX(scrl->ext_size, style_label->text.line_space + font_h);
}
}
return res;
}
/**
* Called to blink the cursor

18
lv_objx/lv_ta.h
View File

@ -74,24 +74,6 @@ typedef struct
*/
lv_obj_t * lv_ta_create(lv_obj_t * par, lv_obj_t * copy);
/**
* Signal function of the text area
* @param ta pointer to a text area object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return true: the object is still valid (not deleted), false: the object become invalid
*/
bool lv_ta_signal(lv_obj_t * ta, lv_signal_t sign, void * param);
/**
* Signal function of the scrollable part of the text area
* @param scrl pointer to scrollable part of a text area object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return true: the object is still valid (not deleted), false: the object become invalid
*/
bool lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param);
/**
* Insert a character to the current cursor position
* @param ta pointer to a text area object