Addl fix #521: zoom increment is not multiplicative

[geeqie.git] / src / preferences.c

diff --git a/src/preferences.c b/src/preferences.c
index 6ce4eb2..8c6804f 100644 (file)
--- a/src/preferences.c
+++ b/src/preferences.c
@@ -341,6 +341,8 @@ static void config_window_apply(void)
 
        options->image.zoom_increment = c_options->image.zoom_increment;
 
+       options->image.zoom_style = c_options->image.zoom_style;
+
        options->image.enable_read_ahead = c_options->image.enable_read_ahead;
 
 
@@ -715,6 +717,47 @@ static void add_clipboard_selection_menu(GtkWidget *table, gint column, gint row
        gtk_widget_show(combo);
 }
 
+static void zoom_style_selection_menu_cb(GtkWidget *combo, gpointer data)
+{
+       gint *option = data;
+
+       switch (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)))
+               {
+               case 0:
+                       *option = ZOOM_GEOMETRIC;
+                       break;
+               case 1:
+                       *option = ZOOM_ARITHMETIC;
+                       break;
+               default:
+                       *option = ZOOM_GEOMETRIC;
+               }
+}
+
+static void add_zoom_style_selection_menu(GtkWidget *table, gint column, gint row, const gchar *text, ZoomStyle option, ZoomStyle *option_c)
+{
+       GtkWidget *combo;
+       gint current = 0;
+
+       *option_c = option;
+
+       pref_table_label(table, column, row, text, 0.0);
+
+       combo = gtk_combo_box_text_new();
+
+       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Geometric"));
+       if (option == ZOOM_GEOMETRIC) current = 0;
+       gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Arithmetic"));
+       if (option == ZOOM_ARITHMETIC) current = 1;
+
+       gtk_combo_box_set_active(GTK_COMBO_BOX(combo), current);
+
+       g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(zoom_style_selection_menu_cb), option_c);
+
+       gtk_table_attach(GTK_TABLE(table), combo, column + 1, column + 2, row, row + 1, GTK_SHRINK, 0, 0, 0);
+       gtk_widget_show(combo);
+}
+
 typedef struct _UseableMouseItems UseableMouseItems;
 struct _UseableMouseItems
 {
@@ -2244,6 +2287,10 @@ static void config_tab_image(GtkWidget *notebook)
                             G_CALLBACK(zoom_increment_cb), NULL);
        gtk_spin_button_set_update_policy(GTK_SPIN_BUTTON(spin), GTK_UPDATE_ALWAYS);
 
+       c_options->image.zoom_style = options->image.zoom_style;
+       table = pref_table_new(group, 2, 1, FALSE, FALSE);
+       add_zoom_style_selection_menu(table, 0, 0, _("Zoom style:"), options->image.zoom_style, &c_options->image.zoom_style);
+
        group = pref_group_new(vbox, FALSE, _("Fit image to window"), GTK_ORIENTATION_VERTICAL);
 
        hbox = pref_box_new(group, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);