Merge pull request #1387 from ailin-nemui/textbufferview

Textbufferview

(cherry picked from commit 783dd37533)

.github/workflows/clangformat.yml

@@ -2,10 +2,10 @@ on: [pull_request]
 name: clang-format
 jobs:
   check-clang-format:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: install clang-format
-        run: sudo apt install clang-format-11
+        run: sudo apt install clang-format-14
       - uses: actions/checkout@main
       - name: fetch target ref
         run:
@@ -20,7 +20,7 @@ jobs:
       - name: run git-clang-format and Check if no changes are needed
         run:
           |
-            CLANG_FORMAT=clang-format-11 git-clang-format-11 --diff FETCH_HEAD HEAD | tee git-clang-format.diff
+            CLANG_FORMAT=clang-format-14 git-clang-format-14 --diff FETCH_HEAD HEAD | tee git-clang-format.diff
             cmp -s <(echo no modified files to format) git-clang-format.diff || cmp -s <(echo -n) git-clang-format.diff
       - uses: actions/upload-artifact@v1
         if: failure()

src/fe-text/textbuffer-commands.c

@@ -393,6 +393,7 @@ static void cmd_scrollback_redraw(void)
 
 	term_refresh_freeze();
 	textbuffer_view_reset_cache(gui->view);
+	textbuffer_view_resize(gui->view, gui->view->width, gui->view->height);
 	gui_window_redraw(active_win);
 	term_refresh_thaw();
 }

src/fe-text/textbuffer-view.c

@@ -402,10 +402,9 @@ view_update_line_cache(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
 
 	if (rec->count > 1) {
 		for (pos = 0; lines != NULL; pos++) {
-			void *data = lines->data;
+			LINE_CACHE_SUB_REC *data = lines->data;
 
-			memcpy(&rec->lines[pos], data,
+			memcpy(&rec->lines[pos], data, sizeof(LINE_CACHE_SUB_REC));
-			       sizeof(LINE_CACHE_SUB_REC));
 
 			lines = g_slist_remove(lines, data);
 			g_free(data);
@@ -427,7 +426,7 @@ static void view_remove_cache(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
 
 	cache = g_hash_table_lookup(view->cache->line_cache, line);
 	if (cache != NULL) {
-                g_free(cache);
+		line_cache_destroy(NULL, cache);
 		g_hash_table_remove(view->cache->line_cache, line);
 	}
 }
@@ -438,7 +437,7 @@ static void view_update_cache(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
 	view_remove_cache(view, line, update_counter);
 
 	if (view->buffer->cur_line == line)
-		view->cache->last_linecount = view_get_linecount(view, line);
+		view_get_linecount(view, line);
 }
 
 void textbuffer_view_reset_cache(TEXT_BUFFER_VIEW_REC *view)
@@ -467,6 +466,7 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
 	unichar chr;
 	int xpos, color, drawcount, first, need_move, need_clrtoeol, char_width;
 	unsigned int fg24, bg24;
+	fg24 = bg24 = UINT_MAX;
 
 	if (view->dirty) /* don't bother drawing anything - redraw is coming */
 		return 0;
@@ -767,7 +767,6 @@ static void view_unregister_indent_func(TEXT_BUFFER_VIEW_REC *view,
 	/* recreate cache so it won't contain references
 	   to the indent function */
 	textbuffer_view_reset_cache(view);
-	view->cache = textbuffer_cache_get(view->siblings, view->width);
 }
 
 void textbuffer_views_unregister_indent_func(INDENT_FUNC indent_func)
@@ -1033,13 +1032,17 @@ void textbuffer_view_clear(TEXT_BUFFER_VIEW_REC *view)
 /* Scroll the view up/down */
 void textbuffer_view_scroll(TEXT_BUFFER_VIEW_REC *view, int lines)
 {
-	int count;
+	int count, ypos;
 
 	g_return_if_fail(view != NULL);
 
-	count = view_scroll(view, &view->startline, &view->subline,
+	count = view_scroll(view, &view->startline, &view->subline, lines, TRUE);
-			    lines, TRUE);
+
-	view->ypos += lines < 0 ? count : -count;
+	ypos = view->ypos + (lines < 0 ? count : -count);
+	textbuffer_view_init_ypos(view);
+	if (ypos != view->ypos)
+		textbuffer_view_resize(view, view->width, view->height);
+
 	view->bottom = view_is_bottom(view);
         if (view->bottom) view->more_text = FALSE;
 
@@ -1266,9 +1269,10 @@ static void view_remove_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
 		/* the last line is being removed */
 		LINE_REC *prevline;
 
-		prevline = view->buffer->first_line == line ? NULL :
+		prevline = view->buffer->first_line == line ?
+		               NULL :
 		               textbuffer_line_last(view->buffer)->prev;
-		view->cache->last_linecount = prevline == NULL ? 0 :
+		if (prevline != NULL)
 			view_get_linecount(view, prevline);
 	}
 
@@ -1474,9 +1478,11 @@ void textbuffer_view_set_window(TEXT_BUFFER_VIEW_REC *view,
 
 	if (view->window != window) {
 		view->window = window;
-                if (window != NULL)
+		if (window != NULL) {
+			textbuffer_view_resize(view, view->width, view->height);
 			view->dirty = TRUE;
 		}
+	}
 }
 
 /* Redraw a view to window */
@@ -1506,10 +1512,16 @@ static int sig_check_linecache(void)
 	GSList *tmp, *caches;
 	time_t now;
 
-        now = time(NULL); caches = NULL;
+	now = time(NULL);
+	caches = NULL;
 	for (tmp = views; tmp != NULL; tmp = tmp->next) {
 		TEXT_BUFFER_VIEW_REC *rec = tmp->data;
 
+		if (rec->window != NULL) {
+			/* keep visible lines mapped */
+			view_get_lines_height(rec, rec->startline, rec->subline, NULL);
+		}
+
 		if (g_slist_find(caches, rec->cache) != NULL)
 			continue;