screen_help: added paint callback

[ncmpc.git] / src / screen_help.c

diff --git a/src/screen_help.c b/src/screen_help.c
index 54b54f22b66dcba780dc763fa2d1a979186b5393..2a9b72ab4fee3c1d4719ce8f0091a0e9a8ba6c66 100644 (file)
--- a/src/screen_help.c
+++ b/src/screen_help.c
@@ -20,6 +20,8 @@
 #include "screen_help.h"
 #include "screen_interface.h"
 #include "screen_find.h"
+#include "paint.h"
+#include "charset.h"
 #include "config.h"
 #include "i18n.h"
 
@@ -245,10 +247,43 @@ help_title(G_GNUC_UNUSED char *str, G_GNUC_UNUSED size_t size)
        return _("Help");
 }
 
+static void
+screen_help_paint_callback(WINDOW *w, unsigned i,
+                          unsigned y, unsigned width,
+                          G_GNUC_UNUSED bool selected,
+                          G_GNUC_UNUSED void *data)
+{
+       const struct help_text_row *row = &help_text[i];
+
+       assert(i < G_N_ELEMENTS(help_text));
+
+       row_color(w, row->highlight ? COLOR_LIST_BOLD : COLOR_LIST, false);
+
+       wclrtoeol(w);
+
+       if (row->command == CMD_NONE) {
+               if (row->text != NULL)
+                       mvwaddstr(w, y, 6, row->text);
+               else if (row->highlight == 2)
+                       mvwhline(w, y, 3, '-', width - 6);
+       } else {
+               const char *key = get_key_names(row->command, true);
+
+               if (utf8_width(key) < 20)
+                       wmove(w, y, 20 - utf8_width(key));
+               waddstr(w, key);
+               mvwaddch(w, y, 21, ':');
+               mvwaddstr(w, y, 23,
+                         row->text != NULL
+                         ? _(row->text)
+                         : get_key_description(row->command));
+       }
+}
+
 static void
 help_paint(void)
 {
-       list_window_paint(lw, list_callback, NULL);
+       list_window_paint2(lw, screen_help_paint_callback, NULL);
 }
 
 static bool