list_window: added callback function for row painting

[ncmpc.git] / src / list_window.c

diff --git a/src/list_window.c b/src/list_window.c
index 0b6031483e8854fc86bc410070fe9089bd45d540..f8ab8e9a708ccd0d996c26443d7a7f126f64ecdc 100644 (file)
--- a/src/list_window.c
+++ b/src/list_window.c
@@ -408,6 +408,46 @@ list_window_paint(const struct list_window *lw,
        }
 }
 
+void
+list_window_paint2(const struct list_window *lw,
+                  list_window_paint_callback_t paint_callback,
+                  void *callback_data)
+{
+       bool show_cursor = !lw->hide_cursor &&
+               (!options.hardware_cursor || lw->range_selection);
+       struct list_window_range range;
+
+       if (show_cursor)
+               list_window_get_range(lw, &range);
+
+       for (unsigned i = 0; i < lw->rows; i++) {
+               bool selected;
+
+               wmove(lw->w, i, 0);
+
+               if (lw->start + i >= lw->length) {
+                       wclrtobot(lw->w);
+                       break;
+               }
+
+               selected = show_cursor &&
+                       lw->start + i >= range.start &&
+                       lw->start + i < range.end;
+
+               paint_callback(lw->w, lw->start + i, i, lw->cols,
+                              selected, callback_data);
+
+               if (selected)
+                       wattroff(lw->w, A_REVERSE);
+       }
+
+       if (options.hardware_cursor && lw->selected >= lw->start &&
+           lw->selected < lw->start + lw->rows) {
+               curs_set(1);
+               wmove(lw->w, lw->selected - lw->start, 0);
+       }
+}
+
 bool
 list_window_find(struct list_window *lw,
                 list_window_callback_fn_t callback,