- freeglut_return_if_fail( window->Callbacks.Display != NULL );
+
+ /*
+ * XXX Other than clearing the Redisplay flag or not,
+ * XXX we may as well rely on the INVOK_WCB() doing this
+ * XXX pointer-check.
+ * XXX
+ * XXX If we do not invoke the display because the pointer
+ * XXX is not defined (should never happen, really), then
+ * XXX we may enter an infinite busy-loop trying to update
+ * XXX the window. Similarly, if we skip because the window
+ * XXX is not visible. However, if the window becomes visible
+ * XXX at a later time, the window should get its callback
+ * XXX invoked. I would recommend removing the first check,
+ * XXX and making the second check only affect whether the
+ * XXX callback is invoked---but always clear the flag, if
+ * XXX the {window} pointer is defined.
+ */
+ freeglut_return_if_fail( FETCH_WCB( *window, Display ) );
- if( (window->Callbacks.Display != NULL) &&
- (window->State.Redisplay == TRUE) &&
- (window->State.Visible == TRUE) )
+ /*
+ * XXX Do we need/want to check the callback pointer here?
+ * XXX INVOKE_WCB() will check for us. Arguably, the
+ * XXX Redisplay status flag should be cleared regardless
+ * XXX of any concern but that {window} is a valid pointer
+ * XXX (which this function is assuming anyway).
+ * XXX Especially since old GLUT wouldn't even enter its main
+ * XXX loop if you didn't have a display callback defined...
+ */
+ if( ( FETCH_WCB( *window, Display ) ) &&
+ ( window->State.Redisplay == TRUE ) &&
+ ( window->State.Visible == TRUE ) )
- window->Callbacks.Display();
- fgSetWindow( current_window ) ;
+ INVOKE_WCB( *window, Display, ( ) );
+ fgSetWindow( current_window );
- if( (window->Callbacks.Display != NULL) &&
- (window->State.Redisplay == TRUE) &&
- (window->State.Visible == TRUE) )
+ /*
+ * XXX See above comment about the Redisplay flag...
+ */
+ if( ( FETCH_WCB( *window, Display ) ) &&
+ ( window->State.Redisplay == TRUE ) &&
+ ( window->State.Visible == TRUE ) )
- RedrawWindow(
- window->Window.Handle, NULL, NULL,
- RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW
+ RedrawWindow(
+ window->Window.Handle, NULL, NULL,
+ RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW
static void fghcbCheckJoystickPolls( SFG_Window *window,
SFG_Enumerator *enumerator )
{
static void fghcbCheckJoystickPolls( SFG_Window *window,
SFG_Enumerator *enumerator )
{
if( fgState.ProgramName )
fprintf( stderr, "(%s): ", fgState.ProgramName );
vfprintf( stderr, fmt, ap );
if( fgState.ProgramName )
fprintf( stderr, "(%s): ", fgState.ProgramName );
vfprintf( stderr, fmt, ap );
fgEnumWindows( fgCheckJoystickCallback, &enumerator );
return !!enumerator.data;
}
fgEnumWindows( fgCheckJoystickCallback, &enumerator );
return !!enumerator.data;
}
- timer = (SFG_Timer *)timer->Node.Next )
- ret = MIN( ret, MAX( 0, (timer->TriggerTime) - now ) );
+ timer = ( SFG_Timer * )timer->Node.Next )
+ ret = MIN( ret, MAX( 0, timer->TriggerTime - now ) );
return;
socket = ConnectionNumber( fgDisplay.Display );
FD_ZERO( &fdset );
FD_SET( socket, &fdset );
return;
socket = ConnectionNumber( fgDisplay.Display );
FD_ZERO( &fdset );
FD_SET( socket, &fdset );
err = select( socket+1, &fdset, NULL, NULL, &wait );
if( -1 == err )
err = select( socket+1, &fdset, NULL, NULL, &wait );
if( -1 == err )
+#if TARGET_HOST_UNIX_X11
+/*
+ * Returns GLUT modifier mask for an XEvent.
+ */
+int fgGetXModifiers( XEvent *event )
+{
+ int ret = 0;
+
+ if( event->xkey.state & ( ShiftMask | LockMask ) )
+ ret |= GLUT_ACTIVE_SHIFT;
+ if( event->xkey.state & ControlMask )
+ ret |= GLUT_ACTIVE_CTRL;
+ if( event->xkey.state & Mod1Mask )
+ ret |= GLUT_ACTIVE_ALT;
+
+ return ret;
+}
+#endif
+
+
- case MapNotify:
- case UnmapNotify:
- /*
- * If we never do anything with this, can we just not ask to
- * get these messages?
- */
- break;
-
- case Expose:
- /*
- * We are too dumb to process partial exposes...
- * XXX Well, we could do it. However, it seems to only
- * XXX be potentially useful for single-buffered (since
- * XXX double-buffered does not respect viewport when we
- * XXX do a buffer-swap).
- */
- if( event.xexpose.count == 0 )
- fghRedrawWindowByHandle( event.xexpose.window );
- break;
-
/*
* CreateNotify causes a configure-event so that sub-windows are
* handled compatibly with GLUT. Otherwise, your sub-windows
/*
* CreateNotify causes a configure-event so that sub-windows are
* handled compatibly with GLUT. Otherwise, your sub-windows
+ case DestroyNotify:
+ /*
+ * This is sent to confirm the XDestroyWindow call.
+ * XXX WHY is this commented out? Should we re-enable it?
+ */
+ /* fgAddToWindowDestroyList ( window, FALSE ); */
+ break;
+
+ case Expose:
+ /*
+ * We are too dumb to process partial exposes...
+ * XXX Well, we could do it. However, it seems to only
+ * XXX be potentially useful for single-buffered (since
+ * XXX double-buffered does not respect viewport when we
+ * XXX do a buffer-swap).
+ */
+ if( event.xexpose.count == 0 )
+ fghRedrawWindowByHandle( event.xexpose.window );
+ break;
+
+ case MapNotify:
+ case UnmapNotify:
+ /*
+ * If we never do anything with this, can we just not ask to
+ * get these messages?
+ */
+ break;
+
- if( window->Callbacks.Entry )
- {
- fgSetWindow( window ) ;
- window->Callbacks.Entry( GLUT_LEFT );
- }
- }
- break;
+ INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?
+ GLUT_ENTERED :
+ GLUT_LEFT ) );
+ break;
* XXX For more than 5 buttons, just check {event.xmotion.state},
* XXX rather than a host of bit-masks?
*/
* XXX For more than 5 buttons, just check {event.xmotion.state},
* XXX rather than a host of bit-masks?
*/
- if( (event.xmotion.state & Button1Mask) ||
- (event.xmotion.state & Button2Mask) ||
- (event.xmotion.state & Button3Mask) ||
- (event.xmotion.state & Button4Mask) ||
- (event.xmotion.state & Button5Mask) )
- {
- /*
- * A mouse button was pressed during the movement...
- * Is there a motion callback hooked to the window?
- */
- if( window->Callbacks.Motion )
- {
- fgSetWindow ( window ) ;
- window->Callbacks.Motion( event.xmotion.x,
- event.xmotion.y );
- }
- }
- else if( window->Callbacks.Passive )
- {
- fgSetWindow ( window ) ;
- window->Callbacks.Passive( event.xmotion.x, event.xmotion.y );
- }
+#define BUTTON_MASK \
+ ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+ if( event.xmotion.state & BUTTON_MASK )
+ INVOKE_WCB( *window, Motion, ( event.xmotion.x,
+ event.xmotion.y ) );
+ else
+ INVOKE_WCB( *window, Passive, ( event.xmotion.x,
+ event.xmotion.y ) );
* Do not execute the application's mouse callback if a menu
* is hooked to this button. In that case an appropriate
* private call should be generated.
* Do not execute the application's mouse callback if a menu
* is hooked to this button. In that case an appropriate
* private call should be generated.
- if( ( window->Callbacks.Mouse == NULL ) &&
- ( window->Callbacks.MouseWheel == NULL ) )
+ if( ! FETCH_WCB( *window, Mouse ) &&
+ ! FETCH_WCB( *window, MouseWheel ) )
- fgSetWindow( window );
-
- modifiers = 0;
- if( event.xbutton.state & ( ShiftMask | LockMask ) )
- modifiers |= GLUT_ACTIVE_SHIFT;
- if( event.xbutton.state & ControlMask )
- modifiers |= GLUT_ACTIVE_CTRL;
- if( event.xbutton.state & Mod1Mask )
- modifiers |= GLUT_ACTIVE_ALT;
- fgStructure.Window->State.Modifiers = modifiers;
+ /*
+ * XXX Why don't we use {window}? Other code here does...
+ */
+ fgStructure.Window->State.Modifiers = fgGetXModifiers( &event );
/*
* Finally execute the mouse or mouse wheel callback
*
* XXX Use a symbolic constant, *not* "4"!
*/
/*
* Finally execute the mouse or mouse wheel callback
*
* XXX Use a symbolic constant, *not* "4"!
*/
- if( ( button < 4 ) || ( !( window->Callbacks.MouseWheel ) ) )
- {
- if( window->Callbacks.Mouse )
- fgStructure.Window->Callbacks.Mouse(
- button,
- event.type == ButtonPress ? GLUT_DOWN : GLUT_UP,
- event.xbutton.x,
- event.xbutton.y
- );
- }
+ if( ( button < 3 ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )
+ INVOKE_WCB( *window, Mouse, ( button,
+ pressed ? GLUT_DOWN : GLUT_UP,
+ event.xbutton.x,
+ event.xbutton.y )
+ );
- if( ( button >= 4 ) && window->Callbacks.MouseWheel )
- {
- /*
- * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1
- * " 6 and 7 " " one; ...
- *
- * XXX This *should* be behind some variables/macros,
- * XXX since the order and numbering isn't certain
- * XXX See XFree86 configuration docs (even back in the
- * XXX 3.x days, and especially with 4.x).
- */
- int wheel_number = (button - 4) / 2;
- int direction = (button & 1)*2 - 1;
-
- if( ButtonPress )
- fgStructure.Window->Callbacks.MouseWheel(
- wheel_number,
- direction,
- event.xbutton.x,
- event.xbutton.y
- );
- }
+ /*
+ * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1
+ * " 6 and 7 " " one; ...
+ *
+ * XXX This *should* be behind some variables/macros,
+ * XXX since the order and numbering isn't certain
+ * XXX See XFree86 configuration docs (even back in the
+ * XXX 3.x days, and especially with 4.x).
+ *
+ * XXX Note that {button} has already been decremeted
+ * XXX in mapping from X button numbering to GLUT.
+ */
+ int wheel_number = ( button - 3 ) / 2;
+ int direction = -1;
+ if( button % 2 )
+ direction = 1;
+
+ if( pressed )
+ INVOKE_WCB( *window, MouseWheel, ( wheel_number,
+ direction,
+ event.xbutton.x,
+ event.xbutton.y )
+ );
- keyboard_cb = window->Callbacks.Keyboard;
- special_cb = window->Callbacks.Special;
+ keyboard_cb = FETCH_WCB( *window, Keyboard );
+ special_cb = FETCH_WCB( *window, Special );
- keyboard_cb = window->Callbacks.KeyboardUp;
- special_cb = window->Callbacks.SpecialUp;
+ keyboard_cb = FETCH_WCB( *window, KeyboardUp );
+ special_cb = FETCH_WCB( *window, SpecialUp );
* Check for the ASCII/KeySym codes associated with the event:
*/
len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
* Check for the ASCII/KeySym codes associated with the event:
*/
len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
-
- /*
- * Remember the current modifiers state
- */
- modifiers = 0;
- if( event.xkey.state & ( ShiftMask | LockMask ) )
- modifiers |= GLUT_ACTIVE_SHIFT;
- if( event.xkey.state & ControlMask )
- modifiers |= GLUT_ACTIVE_CTRL;
- if( event.xkey.state & Mod1Mask )
- modifiers |= GLUT_ACTIVE_ALT;
- window->State.Modifiers = modifiers;
-
+ window->State.Modifiers = fgGetXModifiers( &event );
* Execute the callback (if one has been specified),
* given that the special code seems to be valid...
*/
* Execute the callback (if one has been specified),
* given that the special code seems to be valid...
*/
-
- /*
- * Remember the current modifiers state
- */
- modifiers = 0;
- if( event.xkey.state & ( ShiftMask | LockMask ) )
- modifiers |= GLUT_ACTIVE_SHIFT;
- if( event.xkey.state & ControlMask )
- modifiers |= GLUT_ACTIVE_CTRL;
- if( event.xkey.state & Mod1Mask )
- modifiers |= GLUT_ACTIVE_ALT;
- window->State.Modifiers = modifiers;
-
+ window->State.Modifiers = fgGetXModifiers( &event );
while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
{
if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
{
if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
- fgState.ExecState = GLUT_EXEC_STATE_STOP ;
+ fgState.ExecState = GLUT_EXEC_STATE_STOP;
+}
+
+
+#if TARGET_HOST_WIN32
+/*
+ * Determine a GLUT modifer mask based on MS-WINDOWS system info.
+ */
+int fgGetWin32Modifiers (void)
+{
+ return
+ ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
+ ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
+ ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
+ ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
+ ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
+ ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam )
{
LRESULT CALLBACK fgWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam )
{
- return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
+ return DefWindowProc( hWnd, uMsg, wParam, lParam );
/* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
uMsg, wParam, lParam ); */
/* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
uMsg, wParam, lParam ); */
- unsigned int current_DisplayMode = fgState.DisplayMode;
- fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
- fgSetupPixelFormat( window, FALSE, PFD_MAIN_PLANE );
- fgState.DisplayMode = current_DisplayMode;
-
- if( fgStructure.MenuContext )
- wglMakeCurrent( window->Window.Device,
- fgStructure.MenuContext->Context ) ;
- else
- {
- fgStructure.MenuContext =
- (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
- fgStructure.MenuContext->Context =
- wglCreateContext( window->Window.Device );
- }
-
- /* window->Window.Context = wglGetCurrentContext () ; */
- window->Window.Context = wglCreateContext( window->Window.Device );
+ unsigned int current_DisplayMode = fgState.DisplayMode;
+ fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
+ fgSetupPixelFormat( window, FALSE, PFD_MAIN_PLANE );
+ fgState.DisplayMode = current_DisplayMode;
+
+ if( fgStructure.MenuContext )
+ wglMakeCurrent( window->Window.Device,
+ fgStructure.MenuContext->Context
+ );
+ else
+ {
+ fgStructure.MenuContext =
+ (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
+ fgStructure.MenuContext->Context =
+ wglCreateContext( window->Window.Device );
+ }
+
+ /* window->Window.Context = wglGetCurrentContext( ); */
+ window->Window.Context = wglCreateContext( window->Window.Device );
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
break;
case WM_ACTIVATE:
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
break;
case WM_ACTIVATE:
{
/* glutSetCursor( fgStructure.Window->State.Cursor ); */
printf("WM_ACTIVATE: glutSetCursor( %p, %d)\n", window,
window->State.Cursor );
{
/* glutSetCursor( fgStructure.Window->State.Cursor ); */
printf("WM_ACTIVATE: glutSetCursor( %p, %d)\n", window,
window->State.Cursor );
+
+ /*
+ * XXX Is this #if 0 section anything that we need to worry
+ * XXX about? Can we delete it? If it will ever be used,
+ * XXX why not re-use some common code with the glutSetCursor()
+ * XXX function (or perhaps invoke glutSetCursor())?
+ */
-# define MAP_CURSOR(a,b) case a: SetCursor( LoadCursor( NULL, b ) ); \
+#define MAP_CURSOR(a,b) \
+ case a: \
+ SetCursor( LoadCursor( NULL, b ) ); \
- switch( window->State.Cursor )
- {
- MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, IDC_ARROW );
- MAP_CURSOR( GLUT_CURSOR_LEFT_ARROW, IDC_ARROW );
- MAP_CURSOR( GLUT_CURSOR_INFO, IDC_HELP );
- MAP_CURSOR( GLUT_CURSOR_DESTROY, IDC_CROSS );
- MAP_CURSOR( GLUT_CURSOR_HELP, IDC_HELP );
- MAP_CURSOR( GLUT_CURSOR_CYCLE, IDC_SIZEALL );
- MAP_CURSOR( GLUT_CURSOR_SPRAY, IDC_CROSS );
- MAP_CURSOR( GLUT_CURSOR_WAIT, IDC_WAIT );
- MAP_CURSOR( GLUT_CURSOR_TEXT, IDC_UPARROW );
- MAP_CURSOR( GLUT_CURSOR_CROSSHAIR, IDC_CROSS );
- /* MAP_CURSOR( GLUT_CURSOR_NONE, IDC_NO ); */
- ZAP_CURSOR( GLUT_CURSOR_NONE, NULL );
-
- default:
- MAP_CURSOR( GLUT_CURSOR_UP_DOWN, IDC_ARROW );
- }
+ switch( window->State.Cursor )
+ {
+ MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, IDC_ARROW );
+ MAP_CURSOR( GLUT_CURSOR_LEFT_ARROW, IDC_ARROW );
+ MAP_CURSOR( GLUT_CURSOR_INFO, IDC_HELP );
+ MAP_CURSOR( GLUT_CURSOR_DESTROY, IDC_CROSS );
+ MAP_CURSOR( GLUT_CURSOR_HELP, IDC_HELP );
+ MAP_CURSOR( GLUT_CURSOR_CYCLE, IDC_SIZEALL );
+ MAP_CURSOR( GLUT_CURSOR_SPRAY, IDC_CROSS );
+ MAP_CURSOR( GLUT_CURSOR_WAIT, IDC_WAIT );
+ MAP_CURSOR( GLUT_CURSOR_TEXT, IDC_UPARROW );
+ MAP_CURSOR( GLUT_CURSOR_CROSSHAIR, IDC_CROSS );
+ /* MAP_CURSOR( GLUT_CURSOR_NONE, IDC_NO ); */
+ ZAP_CURSOR( GLUT_CURSOR_NONE, NULL );
+
+ default:
+ MAP_CURSOR( GLUT_CURSOR_UP_DOWN, IDC_ARROW );
+ }
#endif
else
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
#endif
else
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
- window->State.Redisplay = TRUE ;
-
- /*
- * Since the window is a menu, make the parent window current
- */
- fgSetWindow ( window->ActiveMenu->ParentWindow ) ;
-
+ window->State.Redisplay = TRUE;
+ fgSetWindow ( window->ActiveMenu->ParentWindow );
- window->State.Modifiers =
- ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
- ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
- ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
- ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
- ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
- ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
+ window->State.Modifiers = fgGetWin32Modifiers( );
if( ( wParam & MK_LBUTTON ) ||
( wParam & MK_MBUTTON ) ||
( wParam & MK_RBUTTON ) )
if( ( wParam & MK_LBUTTON ) ||
( wParam & MK_MBUTTON ) ||
( wParam & MK_RBUTTON ) )
- {
- if( window->Callbacks.Motion )
- {
- fgSetWindow( window );
- window->Callbacks.Motion( window->State.MouseX,
- window->State.MouseY );
- }
- }
+ INVOKE_WCB( *window, Motion, ( window->State.MouseX,
+ window->State.MouseY ) );
- {
- if( window->Callbacks.Passive )
- {
- fgSetWindow( window );
- window->Callbacks.Passive( window->State.MouseX,
- window->State.MouseY );
- }
- }
+ INVOKE_WCB( *window, Passive, ( window->State.MouseX,
+ window->State.MouseY ) );
return DefWindowProc( hWnd, uMsg, lParam, wParam );
/*
return DefWindowProc( hWnd, uMsg, lParam, wParam );
/*
* Do not execute the application's mouse callback if a
* menu is hooked to this button.
* In that case an appropriate private call should be generated.
* Do not execute the application's mouse callback if a
* menu is hooked to this button.
* In that case an appropriate private call should be generated.
- /* Inside the menu, invoke the callback and deactivate the menu*/
- if( fgCheckActiveMenu( window, window->ActiveMenu ) == TRUE )
+ /* Outside the menu, deactivate the menu if it's a downclick */
+ if( fgCheckActiveMenu( window, window->ActiveMenu ) != TRUE )
+ {
+ if( pressed == TRUE )
+ fgDeactivateMenu( window->ActiveMenu->ParentWindow );
+ }
+ else /* In menu, invoke the callback and deactivate the menu*/
-
- fgStructure.Window->State.Modifiers =
- ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
- ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
- ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
- ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
- ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
- ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
-
- window->Callbacks.Mouse(
- button,
- pressed == TRUE ? GLUT_DOWN : GLUT_UP,
- window->State.MouseX,
- window->State.MouseY
+ fgStructure.Window->State.Modifiers = fgGetWin32Modifiers( );
+
+ INVOKE_WCB(
+ *window, Mouse,
+ ( button,
+ pressed == TRUE ? GLUT_DOWN : GLUT_UP,
+ window->State.MouseX,
+ window->State.MouseY
+ )
- int wheel_number = LOWORD( lParam );
- /* THIS IS SPECULATIVE -- John Fay, 10/2/03 */
- int ticks = HIWORD( lParam ) / 120;
- /* Should be WHEEL_DELTA instead of 120 */
+ /*
+ * XXX THIS IS SPECULATIVE -- John Fay, 10/2/03
+ * XXX Should use WHEEL_DELTA instead of 120
+ */
+ int wheel_number = LOWORD( wParam );
+ short ticks = ( short )HIWORD( wParam ) / 120;
- if( ( window->Callbacks.MouseWheel == NULL ) &&
- ( window->Callbacks.Mouse == NULL ) )
+ if( ! FETCH_WCB( *window, MouseWheel ) &&
+ ! FETCH_WCB( *window, Mouse ) )
- fgStructure.Window->State.Modifiers =
- ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
- ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
- ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
- ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
- ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
- ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
+ fgStructure.Window->State.Modifiers = fgGetWin32Modifiers( );
- if( window->Callbacks.MouseWheel )
- window->Callbacks.MouseWheel(
- wheel_number,
- direction,
- window->State.MouseX,
- window->State.MouseY
+ if( FETCH_WCB( *window, MouseWheel ) )
+ INVOKE_WCB( *window, MouseWheel,
+ ( wheel_number,
+ direction,
+ window->State.MouseX,
+ window->State.MouseY
+ )
- button += (1 + direction)/2;
- window->Callbacks.Mouse( button, GLUT_DOWN,
- window->State.MouseX,
- window->State.MouseY ) ;
- window->Callbacks.Mouse( button, GLUT_UP,
- window->State.MouseX,
- window->State.MouseY ) ;
+ if( direction > 0 )
+ ++button;
+ INVOKE_WCB( *window, Mouse,
+ ( button, GLUT_DOWN,
+ window->State.MouseX, window->State.MouseY )
+ );
+ INVOKE_WCB( *window, Mouse,
+ ( button, GLUT_UP,
+ window->State.MouseX, window->State.MouseX )
+ );
- window->State.Modifiers =
- ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
- ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
- ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
- ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
- ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
- ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
+ window->State.Modifiers = fgGetWin32Modifiers( );
GetCursorPos( &mouse_pos );
ScreenToClient( window->Window.Handle, &mouse_pos );
GetCursorPos( &mouse_pos );
ScreenToClient( window->Window.Handle, &mouse_pos );
- if( window->Callbacks.Keyboard )
- {
- fgSetWindow( window );
- window->Callbacks.Keyboard( 127, window->State.MouseX,
- window->State.MouseY );
- }
+ INVOKE_WCB( *window, Keyboard,
+ ( 127, window->State.MouseX, window->State.MouseY )
+ );
- if( ( keypress != -1 ) && window->Callbacks.Special )
- {
- fgSetWindow( window );
- window->Callbacks.Special( keypress, window->State.MouseX,
- window->State.MouseY );
- }
+ if( keypress != -1 )
+ INVOKE_WCB( *window, Special,
+ ( keypress,
+ window->State.MouseX, window->State.MouseY )
+ );
- window->State.Modifiers =
- ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
- ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
- ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
- ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
- ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
- ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
+ window->State.Modifiers = fgGetWin32Modifiers( );
GetCursorPos( &mouse_pos );
ScreenToClient( window->Window.Handle, &mouse_pos );
GetCursorPos( &mouse_pos );
ScreenToClient( window->Window.Handle, &mouse_pos );
- if( window->Callbacks.KeyboardUp )
- {
- fgSetWindow( window );
- window->Callbacks.KeyboardUp( 127, window->State.MouseX,
- window->State.MouseY );
- }
-
+ INVOKE_WCB( *window, KeyboardUp,
+ ( 127, window->State.MouseX, window->State.MouseY )
+ );
if( ToAscii( wParam, 0, state, code, 0 ) == 1 )
wParam=code[ 0 ];
if( ToAscii( wParam, 0, state, code, 0 ) == 1 )
wParam=code[ 0 ];
- if( window->Callbacks.KeyboardUp )
- {
- fgSetWindow( window );
- window->Callbacks.KeyboardUp( (char)wParam,
- window->State.MouseX,
- window->State.MouseY );
- }
+ INVOKE_WCB( *window, KeyboardUp,
+ ( (char)wParam,
+ window->State.MouseX, window->State.MouseY )
+ );
- if( (keypress != -1) && window->Callbacks.SpecialUp )
- {
- fgSetWindow( window );
- window->Callbacks.SpecialUp( keypress, window->State.MouseX,
- window->State.MouseY );
- }
+ if( keypress != -1 )
+ INVOKE_WCB( *window, SpecialUp,
+ ( keypress,
+ window->State.MouseX, window->State.MouseY )
+ );
- if( window->Callbacks.Keyboard )
+ /*
+ * XXX INVOKE_WCB() takes care of the callback-pointer check.
+ * XXX We could just uncoditionally find/trash the Modifiers
+ * XXX and get rid of the "if( ... ) {" and "}". Unconditinal
+ * XXX code is simpler code. (^&
+ */
+ if( FETCH_WCB( *window, Keyboard ) )
- fgSetWindow( window );
- window->State.Modifiers =
- ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
- ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
- ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
- ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
- ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
- ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
-
- window->Callbacks.Keyboard( (char)wParam, window->State.MouseX,
- window->State.MouseY );
+ window->State.Modifiers = fgGetWin32Modifiers( );
+ INVOKE_WCB( *window, Keyboard,
+ ( (char)wParam,
+ window->State.MouseX, window->State.MouseY )
+ );
/*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ) ; */
break;
/*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ) ; */
break;
+ case WM_SYSCOMMAND : /* 0x0112 */
+ {
+ /*
+ * We have received a system command message. Try to act on it.
+ * The commands are passed in through the "lParam" parameter:
+ * Clicking on a corner to resize the window gives a "F004" message
+ * but this is not defined in my header file.
+ */
+ switch ( lParam )
+ {
+ case SC_SIZE:
+ break;
+
+ case SC_MOVE:
+ break;
+
+ case SC_MINIMIZE:
+ /* User has clicked on the "-" to minimize the window */
+ /* Turn off the visibility */
+ window->State.Visible = GL_FALSE;
+ break;
+
+ case SC_MAXIMIZE:
+ break;
+
+ case SC_NEXTWINDOW:
+ break;
+
+ case SC_PREVWINDOW:
+ break;
+
+ case SC_CLOSE:
+ /* Followed very closely by a WM_CLOSE message */
+ break;
+
+ case SC_VSCROLL:
+ break;
+
+ case SC_HSCROLL:
+ break;
+
+ case SC_MOUSEMENU:
+ break;
+
+ case SC_KEYMENU:
+ break;
+
+ case SC_ARRANGE:
+ break;
+
+ case SC_RESTORE:
+ break;
+
+ case SC_TASKLIST:
+ break;
+
+ case SC_SCREENSAVE:
+ break;
+
+ case SC_HOTKEY:
+ break;
+ }
+ }
+
+ /* We need to pass the message on to the operating system as well */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+