Rewrote the user settings assignment.

client/main_window.cpp

@@ -187,34 +187,13 @@ void main_window::handle_update_settings()
 {
     settings_dialog->hide();
 
-    for (short i = 0; i < 7; ++i)
-    {
-        double value = field_list[i]->text().toDouble();
-        switch (i)
-        {
-            case 0:
-                render_settings.re_max = value;
-                break;
-            case 1:
-                render_settings.re_min = value;
-                break;
-            case 2:
-                render_settings.im_max = value;
-                break;
-            case 3:
-                render_settings.im_min = value;
-                break;
-            case 4:
-                render_settings.img_width = value;
-                break;
-            case 5:
-                render_settings.img_height = value;
-                break;
-            case 6:
-                render_settings.iterations = value;
-                break;
-        }
-    }
+    render_settings.re_max = field_list[0]->text().toDouble();
+    render_settings.re_min = field_list[1]->text().toDouble();
+    render_settings.im_max = field_list[2]->text().toDouble();
+    render_settings.im_min = field_list[3]->text().toDouble();
+    render_settings.img_width = field_list[4]->text().toULong();
+    render_settings.img_height = field_list[5]->text().toULong();
+    render_settings.iterations = field_list[6]->text().toULong();
 
     delete mandel_image;