add --line option to text-info dialog

data/yad.1

@@ -978,7 +978,10 @@ Default is \fIleft\fP.
 Set text margins to \fINUMBER\fP.
 .TP
 .B \-\-tail
-Autoscroll to end when new text appears. Works only when text is read from stdin.
+Autoscroll to end when new text appears. This option works only when text is read from stdin.
+.TP
+.B \-\-line=\fINUMBER\fP
+Jump to specific line at startup. This option works only when filename was specified
 .TP
 .B \-\-show-cursor
 Show cursor in read-only mode.

src/main.c

@@ -916,6 +916,8 @@ main (gint argc, gchar ** argv)
         notebook_swallow_childs ();
       else if (options.mode == YAD_MODE_PANED)
         paned_swallow_childs ();
+      else if (options.mode == YAD_MODE_TEXTINFO)
+        text_goto_line ();
       else if (options.mode == YAD_MODE_PICTURE)
         {
           if (options.picture_data.size == YAD_PICTURE_FIT)

src/option.c

@@ -653,6 +653,8 @@ static GOptionEntry text_options[] = {
     N_("Set justification (left, right, center or fill)"), N_("TYPE") },
   { "margins", 0, 0, G_OPTION_ARG_INT, &options.text_data.margins,
     N_("Set text margins"), N_("SIZE") },
+  { "line", 0, 0, G_OPTION_ARG_INT64, &options.text_data.line,
+    N_("Jump to specific line"), N_("NUMBER") },
   { "fore", 0, 0, G_OPTION_ARG_STRING, &options.text_data.fore,
     N_("Use specified color for text"), N_("COLOR") },
   { "back", 0, 0, G_OPTION_ARG_STRING, &options.text_data.back,
@@ -1869,6 +1871,7 @@ yad_options_init (void)
   options.text_data.wrap = FALSE;
   options.text_data.justify = GTK_JUSTIFY_LEFT;
   options.text_data.margins = 0;
+  options.text_data.line = 0;
   options.text_data.hide_cursor = TRUE;
   options.text_data.fore = NULL;
   options.text_data.back = NULL;

src/text.c

@@ -609,13 +609,6 @@ fill_buffer_from_file ()
     }
   gtk_source_buffer_set_language (GTK_SOURCE_BUFFER (text_buffer), lang);
 #endif
-
-  if (options.common_data.editable)
-    {
-      /* move cursor at the beginnging of a buffer */
-      gtk_text_buffer_get_iter_at_offset (GTK_TEXT_BUFFER (text_buffer), &iter, 0);
-      gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (text_buffer), &iter);
-    }
 }
 
 static void
@@ -635,6 +628,22 @@ text_changed_cb (GtkTextBuffer *b, gpointer d)
   text_changed = TRUE;
 }
 
+void
+text_goto_line ()
+{
+  if (options.common_data.uri)
+    {
+      GtkTextIter iter;
+
+      while (gtk_events_pending ())
+        gtk_main_iteration ();
+
+      gtk_text_buffer_get_iter_at_line (GTK_TEXT_BUFFER (text_buffer), &iter, options.text_data.line);
+      gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (text_buffer), &iter);
+      gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (text_view), &iter, 0, TRUE, 0, 0.5);
+    }
+}
+
 GtkWidget *
 text_create_widget (GtkWidget * dlg)
 {

src/yad.h

@@ -473,6 +473,7 @@ typedef struct {
   gboolean wrap;
   GtkJustification justify;
   gint margins;
+  gulong line;
   gboolean uri;
   gboolean hide_cursor;
   gchar *uri_color;
@@ -672,6 +673,7 @@ gboolean file_confirm_overwrite (GtkWidget *dlg);
 void notebook_swallow_childs (void);
 void paned_swallow_childs (void);
 void picture_fit_to_window (void);
+void text_goto_line (void);
 
 void app_print_result (void);
 void calendar_print_result (void);