Allow to change image.scroll_reset_method in Preferences > Image.

diff --git a/src/preferences.c b/src/preferences.c
index 0123412..89836ab 100644 (file)
--- a/src/preferences.c
+++ b/src/preferences.c
@@ -138,6 +138,12 @@ static void zoom_mode_none_cb(GtkWidget *widget, gpointer data)
                c_options->image.zoom_mode = ZOOM_RESET_NONE;
 }
 
+static void scroll_reset_cb(GtkWidget *widget, gpointer data)
+{
+       if (GTK_TOGGLE_BUTTON (widget)->active)
+               c_options->image.scroll_reset_method = GPOINTER_TO_INT(data);
+}
+
 static void zoom_increment_cb(GtkWidget *spin, gpointer data)
 {
        c_options->image.zoom_increment = (gint)(gtk_spin_button_get_value(GTK_SPIN_BUTTON(spin)) * 10.0 + 0.01);
@@ -236,6 +242,7 @@ static void config_window_apply(void)
        options->layout.tools_restore_state = c_options->layout.tools_restore_state;
        options->layout.save_window_positions = c_options->layout.save_window_positions;
        options->image.zoom_mode = c_options->image.zoom_mode;
+       options->image.scroll_reset_method = c_options->image.scroll_reset_method;
        options->image.zoom_2pass = c_options->image.zoom_2pass;
        options->image.fit_window_to_image = c_options->image.fit_window_to_image;
        options->image.limit_window_size = c_options->image.limit_window_size;
@@ -1032,6 +1039,20 @@ static void config_tab_image(GtkWidget *notebook)
                                      (options->image.zoom_mode == ZOOM_RESET_NONE),
                                      G_CALLBACK(zoom_mode_none_cb), NULL);
 
+       group = pref_group_new(vbox, FALSE, _("Scroll reset method:"), GTK_ORIENTATION_VERTICAL);
+
+       c_options->image.scroll_reset_method = options->image.scroll_reset_method;
+       button = pref_radiobutton_new(group, NULL, _("Top left"),
+                                     (options->image.scroll_reset_method == SCROLL_RESET_TOPLEFT),
+                                     G_CALLBACK(scroll_reset_cb), GINT_TO_POINTER(SCROLL_RESET_TOPLEFT));
+       button = pref_radiobutton_new(group, button, _("Center"),
+                                     (options->image.scroll_reset_method == SCROLL_RESET_CENTER),
+                                     G_CALLBACK(scroll_reset_cb), GINT_TO_POINTER(SCROLL_RESET_CENTER));
+       button = pref_radiobutton_new(group, button, _("No change"),
+                                     (options->image.scroll_reset_method == SCROLL_RESET_NOCHANGE),
+                                     G_CALLBACK(scroll_reset_cb), GINT_TO_POINTER(SCROLL_RESET_NOCHANGE));
+
+
        group = pref_group_new(vbox, FALSE, _("Appearance"), GTK_ORIENTATION_VERTICAL);
 
        pref_checkbox_new_int(group, _("Custom border color"),