Add types Support for windows

Gtk3/.vscode/settings.json

@@ -1,4 +1,5 @@
 {
     "C_Cpp.errorSquiggles": "Disabled",
-    "cmake.configureOnOpen": false
+    "cmake.configureOnOpen": false,
+    "C_Cpp.dimInactiveRegions": false
 }

Gtk3/src/background.cpp

@@ -1,6 +1,7 @@
 #include "background.h"
 #include "winconf.h"
 #include "winpe.xpm"
+#include "image_types.h"
 
 static void dialog_response(GtkNativeDialog *widget,int response,GtkBuilder *builder){
     //Handle file chooser response and set background
@@ -23,15 +24,6 @@ static void dialog_response(GtkNativeDialog *widget,int response,GtkBuilder *bui
     gtk_native_dialog_destroy(widget);
 }
 
-static const char * const supported_globs[]={
-    "*.jpg",
-    "*.jpeg",
-    "*.png",
-    "*.bmp",
-    "*.xpm",
-    NULL
-};
-
 void fileopen(GtkWidget *widget,GtkBuilder *builder){
     GObject *parent=gtk_builder_get_object(builder,"window");
 

Gtk3/src/image_types.h

@@ -0,0 +1,25 @@
+static const char * const supported_globs[]={
+    "*.bmp",
+    "*.cod",
+    "*.gif",
+    "*.ief",
+    "*.jpe",
+    "*.jpeg",
+    "*.jpg",
+    "*.jfif",
+    "*.svg",
+    "*.tif",
+    "*.tiff",
+    "*.ras",
+    "*.cmx",
+    "*.ico",
+    "*.pnm",
+    "*.pbm",
+    "*.pgm",
+    "*.ppm",
+    "*.rgb",
+    "*.xbm",
+    "*.xpm",
+    "*.xwd",
+    NULL
+};