Fix constructors for VC++ DLL builds (STR #2645).

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8736 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Hold_Browser.H

@@ -50,8 +50,12 @@ public:
     The constructor specializes Fl_Browser() by setting the type to FL_HOLD_BROWSER.
     The destructor destroys the widget and frees all memory that has been allocated.
  */
-  Fl_Hold_Browser(int X,int Y,int W,int H,const char *l=0)
-	: Fl_Browser(X,Y,W,H,l) {type(FL_HOLD_BROWSER);}
+#if defined(FL_DLL)	// implementation in src/Fl_Browser.cxx
+  Fl_Hold_Browser(int X,int Y,int W,int H,const char *L=0);
+#else
+  Fl_Hold_Browser(int X,int Y,int W,int H,const char *L=0)
+	: Fl_Browser(X,Y,W,H,L) {type(FL_HOLD_BROWSER);}
+#endif
 };
 
 #endif

FL/Fl_Multi_Browser.H

@@ -51,8 +51,12 @@ public:
     The constructor specializes Fl_Browser() by setting the type to FL_MULTI_BROWSER.
     The destructor destroys the widget and frees all memory that has been allocated.
   */
+#if defined(FL_DLL)	// implementation in src/Fl_Browser.cxx
+    Fl_Multi_Browser(int X,int Y,int W,int H,const char *L=0);
+#else
     Fl_Multi_Browser(int X,int Y,int W,int H,const char *L=0)
 	: Fl_Browser(X,Y,W,H,L) {type(FL_MULTI_BROWSER);}
+#endif
 };
 
 #endif

FL/Fl_Select_Browser.H

@@ -49,8 +49,12 @@ public:
     The constructor specializes Fl_Browser() by setting the type to FL_SELECT_BROWSER.
     The destructor destroys the widget and frees all memory that has been allocated.
   */
-  Fl_Select_Browser(int X,int Y,int W,int H,const char *l=0)
-	: Fl_Browser(X,Y,W,H,l) {type(FL_SELECT_BROWSER);}
+#if defined(FL_DLL)	// implementation in src/Fl_Browser.cxx
+  Fl_Select_Browser(int X,int Y,int W,int H,const char *L=0);
+#else
+  Fl_Select_Browser(int X,int Y,int W,int H,const char *L=0)
+	: Fl_Browser(X,Y,W,H,L) {type(FL_SELECT_BROWSER);}
+#endif
 };
 
 #endif

src/Fl_Browser.cxx

@@ -32,6 +32,12 @@
 #include <stdlib.h>
 #include <math.h>
 
+#if defined(FL_DLL)	// really needed for c'tors for MS VC++ only
+#include <FL/Fl_Hold_Browser.H>
+#include <FL/Fl_Multi_Browser.H>
+#include <FL/Fl_Select_Browser.H>
+#endif
+
 // I modified this from the original Forms data to use a linked list
 // so that the number of items in the browser and size of those items
 // is unlimited. The only problem is that the old browser used an
@@ -914,6 +920,30 @@ void Fl_Browser::remove_icon(int line) {
   icon(line,0);
 }
 
+/*
+  The following constructors must not be in the header file(s) if we
+  build a shared object (DLL). Instead they are defined here to force
+  the constructor (and default destructor as well) to be defined in
+  the DLL and exported (STR #2632, #2645).
+  
+  Note: if you change any of them, do the same changes in the specific
+  header file as well.  This redundant definition was chosen to enable
+  inline constructors in the header files (for static linking) as well
+  as those here for dynamic linking (Windows DLL).
+*/
+#if defined(FL_DLL)
+
+  Fl_Hold_Browser::Fl_Hold_Browser(int X,int Y,int W,int H,const char *L)
+	: Fl_Browser(X,Y,W,H,L) {type(FL_HOLD_BROWSER);}
+
+  Fl_Multi_Browser::Fl_Multi_Browser(int X,int Y,int W,int H,const char *L)
+	: Fl_Browser(X,Y,W,H,L) {type(FL_MULTI_BROWSER);}
+
+  Fl_Select_Browser::Fl_Select_Browser(int X,int Y,int W,int H,const char *L)
+	: Fl_Browser(X,Y,W,H,L) {type(FL_SELECT_BROWSER);}
+
+#endif // FL_DLL
+
 //
 // End of "$Id$".
 //