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[max6921] Fix handling of points/commas in text

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endym 2024-09-05 20:15:17 +02:00
parent 8b01633d49
commit 36c5e829d6
1 changed files with 21 additions and 8 deletions
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29
esphome/components/max6921/display.cpp
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@ -453,15 +453,18 @@ int Display::set_text(const char *text, uint8_t start_pos) {
*/
int Display::update_out_buf_() {
uint visible_idx_offset = 0;
uint ignored_chars = 0;
bool ignored_char_at_1st_pos = false;
for (uint pos = 0; pos < this->num_digits_; pos++) {
char pos_char;
uint32_t out_data;
bool is_get_next_char, is_clear_pos = true;
bool is_process_next_char, is_clear_pos = true;
do {
// determine character for current display position...
if ((pos < this->disp_text_.start_pos) || // empty position before text or
(visible_idx_offset >= this->disp_text_.visible_len)) { // all characters proccessed?
if ((pos < this->disp_text_.start_pos) || // empty position before text or
((this->disp_text_.visible_idx + visible_idx_offset) >= strlen(this->disp_text_.text)) ||
(visible_idx_offset >= this->disp_text_.visible_len + ignored_chars)) { // all characters proccessed?
pos_char = ' ';
} else {
pos_char = this->disp_text_.text[this->disp_text_.visible_idx + visible_idx_offset++];
@ -469,21 +472,23 @@ int Display::update_out_buf_() {
ESP_LOGVV(TAG, "%s(): pos=%u, current char (0x%02x)=%c", __func__, pos, pos_char, pos_char);
// special handling for point segment...
is_get_next_char = false;
is_process_next_char = false;
if (is_point_seg_only(pos_char)) { // is point segment only?
if (this->disp_text_.visible_idx + visible_idx_offset - 1 > 0) { // not the 1st text character?
if (!is_point_seg_only(this->disp_text_.text[this->disp_text_.visible_idx + visible_idx_offset -
2])) { // previous text character wasn't a point?
if (pos == 0) { // 1st (most left) display position?
is_get_next_char = true; // yes -> ignore point, get next character
is_process_next_char = true; // yes -> ignore point, process next character
ignored_char_at_1st_pos = true;
} else {
--pos; // no -> add point to previous display position
is_clear_pos = false;
}
++ignored_chars;
}
}
}
} while (is_get_next_char);
} while (is_process_next_char);
if (is_clear_pos)
clear(pos);
@ -520,8 +525,16 @@ int Display::update_out_buf_() {
ESP_LOGVV(TAG, "%s(): display buffer of position %u: 0x%02x%02x%02x", __func__, pos + 1,
this->out_buf_[pos * 3 + 0], this->out_buf_[pos * 3 + 1], this->out_buf_[pos * 3 + 2]);
ESP_LOGV(TAG, "%s(): pos=%u, char='%c' (0x%02x), vi-idx=%u, vi-idx-off=%u, vi-len=%u", __func__, pos, pos_char,
pos_char, this->disp_text_.visible_idx, visible_idx_offset, this->disp_text_.visible_len);
ESP_LOGV(TAG,
"%s(): pos=%u, char='%c' (0x%02x), vi-idx=%u, vi-idx-off=%u, vi-len=%u, ignored-chars=%u, "
"ignored-char-1st-pos=%u",
__func__, pos, pos_char, pos_char, this->disp_text_.visible_idx, visible_idx_offset,
this->disp_text_.visible_len, ignored_chars, ignored_char_at_1st_pos);
}
// increase visible text index if a char (point) was ignored at first position
if (ignored_char_at_1st_pos && (this->disp_text_.visible_idx < strlen(this->disp_text_.text))) {
++this->disp_text_.visible_idx;
}
this->disp_text_.content_changed = true;