Part one of fixing bug 3058987 -- the 'freeglut_patch_visual_info.diff' changes

[freeglut] / src / freeglut_main.c

diff --git a/src/freeglut_main.c b/src/freeglut_main.c
index 3e6ad68..3926b38 100644 (file)
--- a/src/freeglut_main.c
+++ b/src/freeglut_main.c
@@ -338,37 +338,62 @@ void fgError( const char *fmt, ... )
 {
     va_list ap;
 
-    va_start( ap, fmt );
+    if (fgState.ErrorFunc) {
 
-    fprintf( stderr, "freeglut ");
-    if( fgState.ProgramName )
-        fprintf( stderr, "(%s): ", fgState.ProgramName );
-    VFPRINTF( stderr, fmt, ap );
-    fprintf( stderr, "\n" );
+        va_start( ap, fmt );
 
-    va_end( ap );
+        /* call user set error handler here */
+        fgState.ErrorFunc(fmt, ap);
 
-    if ( fgState.Initialised )
-        fgDeinitialize ();
+        va_end( ap );
 
-    exit( 1 );
+    } else {
+
+        va_start( ap, fmt );
+
+        fprintf( stderr, "freeglut ");
+        if( fgState.ProgramName )
+            fprintf( stderr, "(%s): ", fgState.ProgramName );
+        VFPRINTF( stderr, fmt, ap );
+        fprintf( stderr, "\n" );
+
+        va_end( ap );
+
+        if ( fgState.Initialised )
+            fgDeinitialize ();
+
+        exit( 1 );
+    }
 }
 
 void fgWarning( const char *fmt, ... )
 {
     va_list ap;
 
-    va_start( ap, fmt );
+    if (fgState.WarningFunc) {
+
+        va_start( ap, fmt );
+
+        /* call user set warning handler here */
+        fgState.WarningFunc(fmt, ap);
+
+        va_end( ap );
 
-    fprintf( stderr, "freeglut ");
-    if( fgState.ProgramName )
-        fprintf( stderr, "(%s): ", fgState.ProgramName );
-    VFPRINTF( stderr, fmt, ap );
-    fprintf( stderr, "\n" );
+    } else {
 
-    va_end( ap );
+        va_start( ap, fmt );
+
+        fprintf( stderr, "freeglut ");
+        if( fgState.ProgramName )
+            fprintf( stderr, "(%s): ", fgState.ProgramName );
+        VFPRINTF( stderr, fmt, ap );
+        fprintf( stderr, "\n" );
+
+        va_end( ap );
+    }
 }
 
+
 /*
  * Indicates whether Joystick events are being used by ANY window.
  *
@@ -1573,6 +1598,9 @@ static int fghGetWin32Modifiers (void)
 LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
                                LPARAM lParam )
 {
+    static unsigned char lControl = 0, rControl = 0, lShift = 0,
+                         rShift = 0, lAlt = 0, rAlt = 0;
+
     SFG_Window* window;
     PAINTSTRUCT ps;
     LRESULT lRet = 1;
@@ -1586,6 +1614,120 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
 
     /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
              uMsg, wParam, lParam ); */
+
+    if ( window )
+    {
+      /* Checking for CTRL, ALT, and SHIFT key positions:  Key Down! */
+      if ( !lControl && GetAsyncKeyState ( VK_LCONTROL ) )
+      {
+          INVOKE_WCB   ( *window, Special,
+                        ( GLUT_KEY_CTRL_L, window->State.MouseX, window->State.MouseY )
+                      );
+
+          lControl = 1;
+      }
+
+      if ( !rControl && GetAsyncKeyState ( VK_RCONTROL ) )
+      {
+          INVOKE_WCB ( *window, Special,
+                       ( GLUT_KEY_CTRL_R, window->State.MouseX, window->State.MouseY )
+                     );
+
+          rControl = 1;
+      }
+
+      if ( !lShift && GetAsyncKeyState ( VK_LSHIFT ) )
+      {
+          INVOKE_WCB ( *window, Special,
+                       ( GLUT_KEY_SHIFT_L, window->State.MouseX, window->State.MouseY )
+                     );
+
+          lShift = 1;
+      }
+
+      if ( !rShift && GetAsyncKeyState ( VK_RSHIFT ) )
+      {
+          INVOKE_WCB ( *window, Special,
+                       ( GLUT_KEY_SHIFT_R, window->State.MouseX, window->State.MouseY )
+                     );
+
+          rShift = 1;
+      }
+
+      if ( !lAlt && GetAsyncKeyState ( VK_LMENU ) )
+      {
+          INVOKE_WCB ( *window, Special,
+                       ( GLUT_KEY_ALT_L, window->State.MouseX, window->State.MouseY )
+                     );
+
+          lAlt = 1;
+      }
+
+      if ( !rAlt && GetAsyncKeyState ( VK_RMENU ) )
+      {
+          INVOKE_WCB ( *window, Special,
+                       ( GLUT_KEY_ALT_R, window->State.MouseX, window->State.MouseY )
+                     );
+
+          rAlt = 1;
+      }
+
+      /* Checking for CTRL, ALT, and SHIFT key positions:  Key Up! */
+      if ( lControl && !GetAsyncKeyState ( VK_LCONTROL ) )
+      {
+          INVOKE_WCB ( *window, SpecialUp,
+                       ( GLUT_KEY_CTRL_L, window->State.MouseX, window->State.MouseY )
+                     );
+
+          lControl = 0;
+      }
+
+      if ( rControl && !GetAsyncKeyState ( VK_RCONTROL ) )
+      {
+          INVOKE_WCB ( *window, SpecialUp,
+                       ( GLUT_KEY_CTRL_R, window->State.MouseX, window->State.MouseY )
+                     );
+
+          rControl = 0;
+      }
+
+      if ( lShift && !GetAsyncKeyState ( VK_LSHIFT ) )
+      {
+          INVOKE_WCB ( *window, SpecialUp,
+                       ( GLUT_KEY_SHIFT_L, window->State.MouseX, window->State.MouseY )
+                     );
+
+          lShift = 0;
+      }
+
+      if ( rShift && !GetAsyncKeyState ( VK_RSHIFT ) )
+      {
+          INVOKE_WCB ( *window, SpecialUp,
+                       ( GLUT_KEY_SHIFT_R, window->State.MouseX, window->State.MouseY )
+                     );
+
+          rShift = 0;
+      }
+
+      if ( lAlt && !GetAsyncKeyState ( VK_LMENU ) )
+      {
+          INVOKE_WCB ( *window, SpecialUp,
+                       ( GLUT_KEY_ALT_L, window->State.MouseX, window->State.MouseY )
+                     );
+
+          lAlt = 0;
+      }
+
+      if ( rAlt && !GetAsyncKeyState ( VK_RMENU ) )
+      {
+          INVOKE_WCB ( *window, SpecialUp,
+                       ( GLUT_KEY_ALT_R, window->State.MouseX, window->State.MouseY )
+                     );
+
+          rAlt = 0;
+      }
+    }
+
     switch( uMsg )
     {
     case WM_CREATE:
@@ -2016,6 +2158,12 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
             KEY( VK_RIGHT,  GLUT_KEY_RIGHT     );
             KEY( VK_DOWN,   GLUT_KEY_DOWN      );
             KEY( VK_INSERT, GLUT_KEY_INSERT    );
+            KEY( VK_LCONTROL, GLUT_KEY_CTRL_L  );
+            KEY( VK_RCONTROL, GLUT_KEY_CTRL_R  );
+            KEY( VK_LSHIFT, GLUT_KEY_SHIFT_L   );
+            KEY( VK_RSHIFT, GLUT_KEY_SHIFT_R   );
+            KEY( VK_LMENU,  GLUT_KEY_ALT_L     );
+            KEY( VK_RMENU,  GLUT_KEY_ALT_R     );
 
         case VK_DELETE:
             /* The delete key should be treated as an ASCII keypress: */
@@ -2102,6 +2250,12 @@ LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
             KEY( VK_RIGHT,  GLUT_KEY_RIGHT     );
             KEY( VK_DOWN,   GLUT_KEY_DOWN      );
             KEY( VK_INSERT, GLUT_KEY_INSERT    );
+            KEY( VK_LCONTROL, GLUT_KEY_CTRL_L  );
+            KEY( VK_RCONTROL, GLUT_KEY_CTRL_R  );
+            KEY( VK_LSHIFT, GLUT_KEY_SHIFT_L   );
+            KEY( VK_RSHIFT, GLUT_KEY_SHIFT_R   );
+            KEY( VK_LMENU,  GLUT_KEY_ALT_L     );
+            KEY( VK_RMENU,  GLUT_KEY_ALT_R     );
 
           case VK_DELETE:
               /* The delete key should be treated as an ASCII keypress: */