refactor draw_win
This commit is contained in:
Sascha Kruse
parent
69c55f25e5
commit
e16b1764f8
227
dunst.c
227
dunst.c
@ -72,6 +72,8 @@ static bool print_notifications = false;
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static dimension_t window_dim;
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static bool pause_display = false;
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static r_line_cache line_cache;
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bool dunst_grab_errored = false;
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int next_notification_id = 1;
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@ -103,6 +105,10 @@ void hide_win(void);
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void move_all_to_history(void);
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void print_version(void);
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void r_line_cache_init(r_line_cache *c);
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void r_line_cache_append(r_line_cache *c, const char *s, ColorSet *col);
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void r_line_cache_reset(r_line_cache *c);
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/* show warning notification */
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void warn(const char *text, int urg);
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@ -383,6 +389,40 @@ void update_lists()
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}
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}
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void r_line_cache_init(r_line_cache *c)
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{
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c->count = 0;
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c->size = 0;
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c->lines = NULL;
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}
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void r_line_cache_append(r_line_cache *c, const char *s, ColorSet *col)
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{
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if (!c || !s)
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return;
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/* resize cache if it's too small */
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if (c->count >= c->size) {
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c->size++;
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c->lines = realloc(c->lines, c->size * sizeof(r_line));
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}
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c->count++;
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c->lines[c->count-1].colors = col;
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c->lines[c->count-1].str = strdup(s);
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}
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void r_line_cache_reset(r_line_cache *c)
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{
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for (int i = 0; i < c->count; i++) {
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if (c->lines[i].str)
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free(c->lines[i].str);
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c->lines[i].str = NULL;
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c->lines[i].colors = NULL;
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}
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c->count = 0;
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}
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/* TODO get draw_txt_buf as argument */
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int do_word_wrap(char *source, int max_width)
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{
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@ -430,16 +470,13 @@ int do_word_wrap(char *source, int max_width)
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}
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}
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void update_draw_txt_buf(notification * n, int max_width)
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void add_notification_to_line_cache(notification *n, int max_width)
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{
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rstrip(n->msg);
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char *msg = n->msg;
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while (isspace(*msg))
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msg++;
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if (n->draw_txt_buf.txt)
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free(n->draw_txt_buf.txt);
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char *buf;
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/* print dup_count */
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@ -481,22 +518,18 @@ void update_draw_txt_buf(notification * n, int max_width)
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buf = new_buf;
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}
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n->draw_txt_buf.line_count = do_word_wrap(buf, max_width);
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n->draw_txt_buf.txt = buf;
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}
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char *draw_txt_get_line(draw_txt * dt, int line)
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{
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if (line > dt->line_count) {
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return NULL;
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int linecnt = do_word_wrap(buf, max_width);
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n->line_count = linecnt;
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char *cur = buf;
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for (int i = 0; i < linecnt; i++) {
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r_line_cache_append(&line_cache, cur, n->colors);
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while (*cur != '\0')
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cur++;
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cur++;
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}
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char *begin = dt->txt;
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for (int i = 1; i < line; i++) {
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begin += strlen(begin) + 1;
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}
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return begin;
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free(buf);
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}
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int calculate_x_offset(int line_width, int text_width)
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@ -570,148 +603,114 @@ unsigned long calculate_foreground_color(unsigned long source_color)
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return color.pixel;
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}
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void draw_win(void)
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int calculate_width(void)
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{
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int width, x, y, height;
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line_height = MAX(line_height, font_h);
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update_screen_info();
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/* calculate width */
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if (geometry.mask & WidthValue && geometry.w == 0) {
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/* dynamic width */
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width = 0;
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return 0;
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} else if (geometry.mask & WidthValue) {
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/* fixed width */
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if (geometry.negative_width) {
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width = scr.dim.w - geometry.w;
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return scr.dim.w - geometry.w;
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} else {
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width = geometry.w;
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return geometry.w;
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}
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} else {
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/* across the screen */
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width = scr.dim.w;
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return scr.dim.w;
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}
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}
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/* update draw_txt_bufs and line_cnt */
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int line_cnt = 0;
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void draw_win(void)
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{
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r_line_cache_reset(&line_cache);
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update_screen_info();
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int width = calculate_width();
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line_height = MAX(line_height, font_h);
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/* create cache with all lines */
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for (l_node * iter = displayed_notifications->head; iter;
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iter = iter->next) {
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notification *n = (notification *) iter->data;
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update_draw_txt_buf(n, width);
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line_cnt += n->draw_txt_buf.line_count;
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add_notification_to_line_cache(n, width);
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}
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/* calculate height */
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if (geometry.h == 0) {
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height = line_cnt * line_height;
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} else {
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height = MAX(geometry.h, (line_cnt * line_height));
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}
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height += (l_length(displayed_notifications) - 1) * separator_height;
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/* add "(x more)" */
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draw_txt x_more;
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x_more.txt = NULL;
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char *print_to;
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int more = l_length(notification_queue);
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if (indicate_hidden && more > 0) {
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int x_more_len = strlen(" ( more) ") + digit_count(more);
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assert(line_cache.count > 0);
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/* add (x more) */
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int queue_cnt = l_length(notification_queue);
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if (indicate_hidden && queue_cnt > 0) {
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if (geometry.h != 1) {
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/* add additional line */
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x_more.txt = calloc(x_more_len, sizeof(char));
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height += line_height;
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line_cnt++;
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print_to = x_more.txt;
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char *tmp;
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asprintf(&tmp, "(%d more)", queue_cnt);
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ColorSet *last_colors =
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line_cache.lines[line_cache.count-1].colors;
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r_line_cache_append(&line_cache, strdup(tmp), last_colors);
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free(tmp);
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} else {
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/* append "(x more)" message to notification text */
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notification *n =
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(notification *) displayed_notifications->head->
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data;
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print_to =
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draw_txt_get_line(&n->draw_txt_buf,
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n->draw_txt_buf.line_count);
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for (; *print_to != '\0'; print_to++) ;
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char *old = line_cache.lines[0].str;
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char *new;
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asprintf(&new, "%s (%d more)", old, queue_cnt);
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free(old);
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line_cache.lines[0].str = new;
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}
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snprintf(print_to, x_more_len, "(%d more)", more);
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}
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/* if we have a dynamic width, calculate the actual width */
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if (width == 0) {
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for (l_node * iter = displayed_notifications->head; iter;
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iter = iter->next) {
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notification *n = (notification *) iter->data;
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for (int i = 0; i < n->draw_txt_buf.line_count; i++) {
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char *line =
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draw_txt_get_line(&n->draw_txt_buf, i + 1);
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assert(line != NULL);
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for (int i = 0; i < line_cache.count; i++) {
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char *line = line_cache.lines[i].str;
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width = MAX(width, textw(dc, line));
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}
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}
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}
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assert(line_height > 0);
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assert(font_h > 0);
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assert(width > 0);
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assert(height > 0);
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assert(line_cnt > 0);
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/* resize dc to correct width */
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int height = (line_cache.count * line_height)
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+ ((line_cache.count - 1) * separator_height);
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resizedc(dc, width, height);
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/* draw buffers */
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dc->y = 0;
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ColorSet *last_color;
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assert(displayed_notifications->head != NULL);
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for (l_node * iter = displayed_notifications->head; iter;
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iter = iter->next) {
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notification *n = (notification *) iter->data;
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last_color = n->colors;
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for (int i = 0; i < n->draw_txt_buf.line_count; i++) {
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char *line = draw_txt_get_line(&n->draw_txt_buf, i + 1);
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for (int i = 0; i < line_cache.count; i++) {
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dc->x = 0;
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drawrect(dc, 0, 0, width, line_height, true,
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n->colors->BG);
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dc->x = calculate_x_offset(width, textw(dc, line));
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r_line line = line_cache.lines[i];
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/* draw background */
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drawrect(dc, 0, 0, width, line_height, true, line.colors->BG);
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/* draw text */
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dc->x = calculate_x_offset(width, textw(dc, line.str));
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dc->y += (line_height - font_h) / 2;
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drawtextn(dc, line, strlen(line), n->colors);
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drawtextn(dc, line.str, strlen(line.str), line.colors);
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dc->y += line_height - ((line_height - font_h) / 2);
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}
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/* draw separator */
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if (separator_height > 0) {
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if (separator_height > 0 && i < line_cache.count - 1) {
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dc->x = 0;
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double color;
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if (sep_color == AUTO)
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color =
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calculate_foreground_color(n->colors->BG);
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color = calculate_foreground_color(line.colors->BG);
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else
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color = n->colors->FG;
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drawrect(dc, 0, 0, width, separator_height, true,
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color);
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color = line.colors->FG;
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drawrect(dc, 0, 0, width, separator_height, true, color);
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dc->y += separator_height;
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}
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}
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/* draw x_more */
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if (x_more.txt) {
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dc->x = 0;
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drawrect(dc, 0, 0, width, line_height, true, last_color->BG);
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dc->x = calculate_x_offset(width, textw(dc, x_more.txt));
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drawtext(dc, x_more.txt, last_color);
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}
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int x,y;
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/* calculate window position */
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if (geometry.mask & XNegative) {
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x = (scr.dim.x + (scr.dim.w - width)) + geometry.x;
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@ -739,8 +738,6 @@ void draw_win(void)
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}
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mapdc(dc, win, width, height);
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free(x_more.txt);
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}
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char
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@ -808,7 +805,7 @@ void handle_mouse_click(XEvent ev)
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assert(iter);
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for (; iter; iter = iter->next) {
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n = (notification *) iter->data;
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int height = font_h * n->draw_txt_buf.line_count;
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int height = font_h * n->line_count;
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if (ev.xbutton.y > y && ev.xbutton.y < y + height)
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break;
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else
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@ -958,7 +955,6 @@ int init_notification(notification * n, int id)
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n->msg = fix_markup(n->msg);
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n->dup_count = 0;
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n->draw_txt_buf.txt = NULL;
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/* check if n is a duplicate */
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for (l_node * iter = notification_queue->head; iter; iter = iter->next) {
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@ -1702,6 +1698,7 @@ int main(int argc, char *argv[])
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notification_history = l_init();
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displayed_notifications = l_init();
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rules = l_init();
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r_line_cache_init(&line_cache);
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for (int i = 0; i < LENGTH(default_rules); i++) {
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l_push(rules, &default_rules[i]);
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20
dunst.h
20
dunst.h
@ -32,18 +32,12 @@ typedef struct _screen_info {
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dimension_t dim;
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} screen_info;
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typedef struct _draw_txt {
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char *txt;
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int line_count;
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} draw_txt;
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typedef struct _notification {
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char *appname;
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char *summary;
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char *body;
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char *icon;
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char *msg;
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draw_txt draw_txt_buf;
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const char *format;
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char *dbus_client;
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time_t start;
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@ -56,6 +50,7 @@ typedef struct _notification {
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ColorSet *colors;
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char *color_strings[2];
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int progress; /* percentage + 1, 0 to hide */
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int line_count;
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} notification;
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typedef struct _notification_buffer {
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@ -88,6 +83,19 @@ typedef struct _keyboard_shortcut {
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bool is_valid;
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} keyboard_shortcut;
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typedef struct _r_line {
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ColorSet *colors;
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char *str;
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} r_line;
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typedef struct r_line_cache {
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int count;
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int size;
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r_line *lines;
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} r_line_cache;
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extern int verbosity;
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/* return id of notification */
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