GTK: Allow shutting off button and menu icons.

gtk/src/gtk_config.cpp

@@ -115,6 +115,7 @@ int Snes9xConfig::load_defaults ()
     preferences_height = -1;
     shader_parameters_width = -1;
     shader_parameters_height = -1;
+    enable_icons = true;
     current_display_tab = 0;
     sram_directory.clear ();
     export_directory.clear ();
@@ -310,6 +311,7 @@ int Snes9xConfig::save_config_file ()
     cf.SetInt (z"ShaderParametersHeight", shader_parameters_height);
     cf.SetInt (z"CurrentDisplayTab", current_display_tab);
     outbool (cf, z"UIVisible", ui_visible);
+    outbool (cf, z"EnableIcons", enable_icons);
     if (default_esc_behavior != ESC_TOGGLE_MENUBAR)
         outbool (cf, z"Fullscreen", 0);
     else
@@ -542,6 +544,7 @@ int Snes9xConfig::load_config_file ()
     inint (z"CurrentDisplayTab", current_display_tab);
     inbool (z"UIVisible", ui_visible);
     inbool (z"Fullscreen", fullscreen);
+    inbool (z"EnableIcons", enable_icons);
 
 #undef z
 #define z "Netplay::"

gtk/src/gtk_config.h

@@ -140,6 +140,7 @@ class Snes9xConfig
     int num_threads;
     bool screensaver_needs_reset;
     bool modal_dialogs;
+    bool enable_icons;
 
     bool pointer_is_visible;
     gint64 pointer_timestamp;

gtk/src/gtk_preferences.cpp

@@ -669,6 +669,11 @@ Snes9xPreferences::move_settings_to_dialog ()
     set_spin  ("superfx_multiplier",        Settings.SuperFXClockMultiplier);
     set_combo ("splash_background",         config->splash_image);
 
+#if GTK_MAJOR_VERSION < 3
+    gtk_widget_hide (get_widget ("force_enable_icons"));
+#endif
+    set_check ("force_enable_icons",        config->enable_icons);
+
     int num_sound_drivers = 0;
 #ifdef USE_PORTAUDIO
     num_sound_drivers++;
@@ -808,6 +813,15 @@ Snes9xPreferences::get_settings_from_dialog ()
     if (config->force_inverted_byte_order != get_check ("force_inverted_byte_order"))
         gfx_needs_restart = true;
 
+    config->enable_icons              = get_check ("force_enable_icons");
+#if GTK_MAJOR_VERSION >= 3
+    auto settings = gtk_settings_get_default();
+    g_object_set(settings,
+                 "gtk-menu-images", gui_config->enable_icons,
+                 "gtk_button_images", gui_config->enable_icons,
+                 NULL);
+#endif
+
     config->full_screen_on_open       = get_check ("full_screen_on_open");
     Settings.DisplayFrameRate         = get_check ("show_frame_rate");
     Settings.DisplayPressedKeys       = get_check ("show_pressed_keys");

gtk/src/gtk_s9x.cpp

@@ -63,7 +63,10 @@ int main (int argc, char *argv[])
 
 #if GTK_MAJOR_VERSION >= 3
     auto settings = gtk_settings_get_default();
-    g_object_set(settings, "gtk-menu-images", true, "gtk_button_images", true, NULL);
+    g_object_set(settings,
+                 "gtk-menu-images", gui_config->enable_icons,
+                 "gtk_button_images", gui_config->enable_icons,
+                 NULL);
 #endif
 
     S9xReportControllers ();

gtk/src/snes9x.ui

@@ -9073,6 +9073,20 @@
                                     <property name="position">0</property>
                                   </packing>
                                 </child>
+                                <child>
+                                  <object class="GtkCheckButton" id="force_enable_icons">
+                                    <property name="label" translatable="yes">Force-enable button and menu icons</property>
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">True</property>
+                                    <property name="receives_default">False</property>
+                                    <property name="draw_indicator">True</property>
+                                  </object>
+                                  <packing>
+                                    <property name="expand">False</property>
+                                    <property name="fill">True</property>
+                                    <property name="position">1</property>
+                                  </packing>
+                                </child>
                                 <child>
                                   <object class="GtkHBox" id="hbox15">
                                     <property name="visible">True</property>
@@ -9112,7 +9126,7 @@
                                   <packing>
                                     <property name="expand">False</property>
                                     <property name="fill">True</property>
-                                    <property name="position">1</property>
+                                    <property name="position">2</property>
                                   </packing>
                                 </child>
                                 <child>
@@ -9154,7 +9168,7 @@
                                   <packing>
                                     <property name="expand">False</property>
                                     <property name="fill">True</property>
-                                    <property name="position">2</property>
+                                    <property name="position">3</property>
                                   </packing>
                                 </child>
                               </object>