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Diffstat (limited to 'src/fe-text/textbuffer-view.c')
-rw-r--r--src/fe-text/textbuffer-view.c188
1 files changed, 130 insertions, 58 deletions
diff --git a/src/fe-text/textbuffer-view.c b/src/fe-text/textbuffer-view.c
index cb066f5e..99625ecc 100644
--- a/src/fe-text/textbuffer-view.c
+++ b/src/fe-text/textbuffer-view.c
@@ -41,9 +41,15 @@ static GSList *views;
#define view_is_bottom(view) \
((view)->ypos >= -1 && (view)->ypos < (view)->height)
-#define view_get_linecount(view, line) \
+#define view_get_linecount_hidden(view, line) \
textbuffer_view_get_line_cache(view, line)->count
+#define view_line_is_hidden(view, line) \
+ (((line)->info.level & (view)->hidden_level) != 0)
+
+#define view_get_linecount(view, line) \
+ (view_line_is_hidden(view, line) ? 0 : view_get_linecount_hidden(view, line))
+
static GSList *textbuffer_get_views(TEXT_BUFFER_REC *buffer)
{
GSList *tmp, *list;
@@ -388,9 +394,9 @@ static void view_reset_cache(TEXT_BUFFER_VIEW_REC *view)
static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
int subline, int ypos, int max)
{
- INDENT_FUNC indent_func;
+ INDENT_FUNC indent_func;
LINE_CACHE_REC *cache;
- const unsigned char *text, *end, *text_newline;
+ const unsigned char *text, *end, *text_newline;
unsigned char *tmp;
unichar chr;
int xpos, color, drawcount, first, need_move, need_clrtoeol, char_width;
@@ -399,54 +405,54 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
#endif
if (view->dirty) /* don't bother drawing anything - redraw is coming */
- return 0;
+ return 0;
cache = textbuffer_view_get_line_cache(view, line);
if (subline >= cache->count)
- return 0;
+ return 0;
- color = ATTR_RESET;
- need_move = TRUE; need_clrtoeol = FALSE;
+ color = ATTR_RESET;
+ need_move = TRUE; need_clrtoeol = FALSE;
xpos = drawcount = 0; first = TRUE;
text_newline = text =
subline == 0 ? line->text : cache->lines[subline-1].start;
for (;;) {
if (text == text_newline) {
- if (need_clrtoeol && xpos < term_width) {
+ if (need_clrtoeol && xpos < view->width + (view->width == term_width ? 0 : 1)) {
term_set_color(view->window, ATTR_RESET);
- term_clrtoeol(view->window);
+ term_window_clrtoeol(view->window, ypos);
}
if (first)
first = FALSE;
else {
ypos++;
- if (--max == 0)
+ if (--max == 0)
break;
}
if (subline > 0) {
- /* continuing previous line - indent it */
+ /* continuing previous line - indent it */
indent_func = cache->lines[subline-1].indent_func;
if (indent_func == NULL)
xpos = cache->lines[subline-1].indent;
- color = cache->lines[subline-1].color;
+ color = cache->lines[subline-1].color;
#ifdef TERM_TRUECOLOR
- fg24 = cache->lines[subline-1].fg24;
- bg24 = cache->lines[subline-1].bg24;
+ fg24 = cache->lines[subline-1].fg24;
+ bg24 = cache->lines[subline-1].bg24;
#endif
} else {
indent_func = NULL;
}
if (xpos == 0 && indent_func == NULL)
- need_clrtoeol = TRUE;
+ need_clrtoeol = TRUE;
else {
/* line was indented - need to clear the
- indented area first */
+ indented area first */
term_set_color(view->window, ATTR_RESET);
term_move(view->window, 0, ypos);
- term_clrtoeol(view->window);
+ term_window_clrtoeol(view->window, ypos);
if (indent_func != NULL)
xpos = indent_func(view, line, ypos);
@@ -463,9 +469,17 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
} else {
/* get the beginning of the next subline */
text_newline = cache->lines[subline].start;
- need_move = !cache->lines[subline].continues;
+ if (view->width == term_width) {
+ /* ensure that links / long words are not broken */
+ need_move = !cache->lines[subline].continues;
+ } else {
+ /* we cannot use the need_move
+ optimisation unless the split spans
+ the whole width */
+ need_move = TRUE;
+ }
}
- drawcount++;
+ drawcount++;
subline++;
}
@@ -473,10 +487,10 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
/* command */
text++;
if (*text == LINE_CMD_EOL)
- break;
+ break;
if (*text == LINE_CMD_CONTINUE) {
- /* jump to next block */
+ /* jump to next block */
memcpy(&tmp, text+1, sizeof(unsigned char *));
text = tmp;
continue;
@@ -511,13 +525,13 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
}
xpos += char_width;
- if (xpos <= term_width) {
+ if (xpos <= view->width) {
if (unichar_isprint(chr)) {
if (view->utf8)
- term_add_unichar(view->window, chr);
+ term_add_unichar(view->window, chr);
else
- for (; text < end; text++)
- term_addch(view->window, *text);
+ for (; text < end; text++)
+ term_addch(view->window, *text);
} else {
/* low-ascii */
term_set_color(view->window, ATTR_RESET|ATTR_REVERSE);
@@ -528,12 +542,12 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
text = end;
}
- if (need_clrtoeol && xpos < term_width) {
+ if (need_clrtoeol && xpos < view->width + (view->width == term_width ? 0 : 1)) {
term_set_color(view->window, ATTR_RESET);
- term_clrtoeol(view->window);
+ term_window_clrtoeol(view->window, ypos);
}
- return drawcount;
+ return drawcount;
}
/* Recalculate view's bottom line information - try to keep the
@@ -552,6 +566,9 @@ static void textbuffer_view_init_bottom(TEXT_BUFFER_VIEW_REC *view)
total = 0;
line = textbuffer_line_last(view->buffer);
for (; line != NULL; line = line->prev) {
+ if (view_line_is_hidden(view, line))
+ continue;
+
linecount = view_get_linecount(view, line);
if (line == view->bottom_startline) {
/* keep the old one, make sure that subline is ok */
@@ -614,6 +631,8 @@ TEXT_BUFFER_VIEW_REC *textbuffer_view_create(TEXT_BUFFER_REC *buffer,
view->subline = view->bottom_subline;
view->bottom = TRUE;
+ view->hidden_level = 0;
+
textbuffer_view_init_ypos(view);
view->bookmarks = g_hash_table_new((GHashFunc) g_str_hash,
@@ -726,8 +745,10 @@ static void view_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
return;
while (line != NULL && lines > 0) {
- linecount = view_line_draw(view, line, subline, ypos, lines);
- ypos += linecount; lines -= linecount;
+ if (!view_line_is_hidden(view, line)) {
+ linecount = view_line_draw(view, line, subline, ypos, lines);
+ ypos += linecount; lines -= linecount;
+ }
subline = 0;
line = line->next;
@@ -738,7 +759,7 @@ static void view_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
term_set_color(view->window, ATTR_RESET);
while (lines > 0) {
term_move(view->window, 0, ypos);
- term_clrtoeol(view->window);
+ term_window_clrtoeol(view->window, ypos);
ypos++; lines--;
}
}
@@ -768,58 +789,63 @@ static void view_draw_bottom(TEXT_BUFFER_VIEW_REC *view, int lines)
view_draw(view, line, subline, maxline, lines, TRUE);
}
-/* Returns number of lines actually scrolled */
+/* lines: this pointer is scrolled by scrollcount screen lines
+ subline: this pointer contains the subline position
+ scrollcount: the number of lines to scroll down (negative: up)
+ draw_nonclean: whether to redraw the screen now
+
+ Returns number of lines actually scrolled */
static int view_scroll(TEXT_BUFFER_VIEW_REC *view, LINE_REC **lines,
int *subline, int scrollcount, int draw_nonclean)
{
int linecount, realcount, scroll_visible;
if (*lines == NULL)
- return 0;
+ return 0;
/* scroll down */
scroll_visible = lines == &view->startline;
realcount = -*subline;
scrollcount += *subline;
- *subline = 0;
+ *subline = 0;
while (scrollcount > 0) {
linecount = view_get_linecount(view, *lines);
if ((scroll_visible && *lines == view->bottom_startline) &&
(scrollcount >= view->bottom_subline)) {
*subline = view->bottom_subline;
- realcount += view->bottom_subline;
- scrollcount = 0;
- break;
+ realcount += view->bottom_subline;
+ scrollcount = 0;
+ break;
}
- realcount += linecount;
+ realcount += linecount;
scrollcount -= linecount;
if (scrollcount < 0) {
- realcount += scrollcount;
+ realcount += scrollcount;
*subline = linecount+scrollcount;
- scrollcount = 0;
- break;
+ scrollcount = 0;
+ break;
}
if ((*lines)->next == NULL)
break;
- *lines = (*lines)->next;
+ *lines = (*lines)->next;
}
- /* scroll up */
+ /* scroll up */
while (scrollcount < 0 && (*lines)->prev != NULL) {
*lines = (*lines)->prev;
linecount = view_get_linecount(view, *lines);
- realcount -= linecount;
+ realcount -= linecount;
scrollcount += linecount;
if (scrollcount > 0) {
- realcount += scrollcount;
+ realcount += scrollcount;
*subline = scrollcount;
- break;
+ break;
}
}
@@ -827,19 +853,28 @@ static int view_scroll(TEXT_BUFFER_VIEW_REC *view, LINE_REC **lines,
if (realcount <= -view->height || realcount >= view->height) {
/* scrolled more than screenful, redraw the
whole view */
- textbuffer_view_redraw(view);
+ textbuffer_view_redraw(view);
} else {
- term_set_color(view->window, ATTR_RESET);
- term_window_scroll(view->window, realcount);
+ if (view->width == term_width) {
+ /* we can try to use vt100 scroll regions */
+ term_set_color(view->window, ATTR_RESET);
+ term_window_scroll(view->window, realcount);
- if (draw_nonclean) {
- if (realcount < 0)
- view_draw_top(view, -realcount, TRUE);
- else
- view_draw_bottom(view, realcount);
- }
+ if (draw_nonclean) {
+ if (realcount < 0)
+ view_draw_top(view, -realcount, TRUE);
+ else
+ view_draw_bottom(view, realcount);
+ }
- term_refresh(view->window);
+ term_refresh(view->window);
+ } else {
+ /* do not bother with vt400 scroll
+ rectangles for now, redraw the
+ whole view */
+ view->dirty = TRUE;
+ irssi_set_dirty();
+ }
}
}
@@ -1027,7 +1062,7 @@ static void view_insert_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
view->bottom = view_is_bottom(view);
}
- if (view->window != NULL) {
+ if (view->window != NULL && !view_line_is_hidden(view, line)) {
ypos = view->ypos+1 - view_get_linecount(view, line);
if (ypos >= 0)
subline = 0;
@@ -1042,7 +1077,7 @@ static void view_insert_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
}
}
- if (view->window != NULL)
+ if (view->window != NULL && !view_line_is_hidden(view, line))
term_refresh(view->window);
}
@@ -1122,6 +1157,12 @@ static int view_get_lines_height(TEXT_BUFFER_VIEW_REC *view,
return height < view->height ? height : view->height;
}
+/* line: line to remove
+ linecount: linecount of that line, to be offset when the line was in/below view
+
+ scroll the window maintaining the startline while removing line
+ if startline is removed, make the previous line the new startline
+*/
static void view_remove_line_update_startline(TEXT_BUFFER_VIEW_REC *view,
LINE_REC *line, int linecount)
{
@@ -1318,6 +1359,37 @@ LINE_REC *textbuffer_view_get_bookmark(TEXT_BUFFER_VIEW_REC *view,
return g_hash_table_lookup(view->bookmarks, name);
}
+void textbuffer_view_set_hidden_level(TEXT_BUFFER_VIEW_REC *view, int level)
+{
+ g_return_if_fail(view != NULL);
+
+ if (view->hidden_level != level) {
+ if (view->empty_linecount > 0 && view->startline != NULL) {
+ int old_height, new_height;
+ LINE_REC *hidden_start;
+
+ hidden_start = view->startline;
+ while (hidden_start->prev != NULL && view_line_is_hidden(view, hidden_start->prev)) {
+ hidden_start = hidden_start->prev;
+ }
+
+ old_height = view_get_lines_height(view, hidden_start, view->subline, NULL);
+ view->hidden_level = level;
+ new_height = view_get_lines_height(view, hidden_start, view->subline, NULL);
+
+ view->empty_linecount -= new_height - old_height;
+
+ if (view->empty_linecount < 0)
+ view->empty_linecount = 0;
+ else if (view->empty_linecount > view->height)
+ view->empty_linecount = view->height;
+ } else {
+ view->hidden_level = level;
+ }
+ textbuffer_view_resize(view, view->width, view->height);
+ }
+}
+
/* Specify window where the changes in view should be drawn,
NULL disables it. */
void textbuffer_view_set_window(TEXT_BUFFER_VIEW_REC *view,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 14:28:03 +0000