Fixed xclass support for Fl_Window (STR #2053)

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7863 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,5 +1,6 @@
 CHANGES IN FLTK 1.3.0
 
+	- Fixed xclass support for Fl_Window (STR #2053)
 	- Fixed Caps Lock handling in X11/XIM (STR #2366)
 	- Fixed handling of missing fonts in Xft (STR #2355)
 	- Added alternative Xft font names (STR #2215)

FL/Fl_Window.H

@@ -57,11 +57,13 @@ class Fl_X;
 */
 class FL_EXPORT Fl_Window : public Fl_Group {
 
+  static char *default_xclass_;
+
   friend class Fl_X;
   Fl_X *i; // points at the system-specific stuff
 
   const char* iconlabel_;
-  const char* xclass_;
+  char* xclass_;
   const void* icon_;
   // size_range stuff:
   int minw, minh, maxw, maxh;
@@ -323,8 +325,10 @@ public:
   /** Sets the icon label. */
   void label(const char* label, const char* iconlabel); // platform dependent 
   void copy_label(const char* a);
-  /** See void Fl_Window::xclass(const char*) */
-  const char* xclass() const	{return xclass_;}
+
+  static void default_xclass(const char*);
+  static const char *default_xclass();
+  const char* xclass() const;
   /**
     A string used to tell the system what type of window this is. Mostly
     this identifies the picture to draw in the icon. <I>Under X, this is
@@ -339,7 +343,7 @@ public:
     visible effect. The passed pointer is stored unchanged. The string 
     is not copied.
   */
-  void xclass(const char* c)	{xclass_ = c;}
+  void xclass(const char* c);
   /** Gets the current icon window target dependent data. */
   const void* icon() const	{return icon_;}
   /** Sets the current icon window target dependent data. */

src/Fl.cxx

@@ -1292,6 +1292,9 @@ void Fl_Window::hide() {
 
 Fl_Window::~Fl_Window() {
   hide();
+  if (xclass_) {
+    free(xclass_);
+  }
 }
 
 // FL_SHOW and FL_HIDE are called whenever the visibility of this widget

src/Fl_Window.cxx

@@ -40,6 +40,8 @@
 #include <FL/fl_draw.H>
 #endif
 
+char *Fl_Window::default_xclass_ = 0L;
+
 void Fl_Window::_Fl_Window() {
   type(FL_WINDOW);
   box(FL_FLAT_BOX);
@@ -178,6 +180,53 @@ Fl_Window *Fl_Window::current() {
   return current_;
 }
 
+/** Returns the default xclass */
+const char *Fl_Window::default_xclass() 
+{
+  if (default_xclass_) {
+    return default_xclass_;
+  } else {
+    return "FLTK";
+  }
+}
+
+/** Sets the defaul xclass */
+void Fl_Window::default_xclass(const char *xc)
+{
+  if (default_xclass_) {
+    free(default_xclass_);
+    default_xclass_ = 0L;
+  }
+  if (xc) {
+    default_xclass_ = strdup(xc);
+  }
+}
+
+/** Set the xclass for this window */
+void Fl_Window::xclass(const char *xc) 
+{
+  if (xclass_) {
+    free(xclass_);
+    xclass_ = 0L;
+  }
+  if (xc) {
+    xclass_ = strdup(xc);
+    if (!default_xclass_) {
+      default_xclass(xc);
+    }
+  }
+}
+
+/** Return the XClass for this window, or a default. */
+const char *Fl_Window::xclass() const
+{
+  if (xclass_) {
+    return xclass_;
+  } else {
+    return default_xclass();
+  }
+}
+
 
 //
 // End of "$Id$".