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fg_main_mswin.c
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fg_main_mswin.c
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/*
* fg_main_mswin.c
*
* The Windows-specific mouse cursor related stuff.
*
* Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
* Written by John F. Fay, <fayjf@sourceforge.net>
* Creation date: Sat Jan 21, 2012
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <GL/freeglut.h>
#include "../fg_internal.h"
extern void fghRedrawWindow ( SFG_Window *window );
extern void fghRedrawWindowAndChildren ( SFG_Window *window );
extern void fghOnReshapeNotify(SFG_Window *window, int width, int height, GLboolean forceNotify);
extern void fghOnPositionNotify(SFG_Window *window, int x, int y, GLboolean forceNotify);
extern void fghComputeWindowRectFromClientArea_QueryWindow( RECT *clientRect, const SFG_Window *window, BOOL posIsOutside );
extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL posIsOutside );
extern void fgNewWGLCreateContext( SFG_Window* window );
extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
unsigned char layer_type );
extern void fgPlatformCheckMenuDeactivate(HWND newFocusWnd);
#ifdef WM_TOUCH
typedef BOOL (WINAPI *pGetTouchInputInfo)(HTOUCHINPUT,UINT,PTOUCHINPUT,int);
typedef BOOL (WINAPI *pCloseTouchInputHandle)(HTOUCHINPUT);
static pGetTouchInputInfo fghGetTouchInputInfo = (pGetTouchInputInfo)0xDEADBEEF;
static pCloseTouchInputHandle fghCloseTouchInputHandle = (pCloseTouchInputHandle)0xDEADBEEF;
#endif
#ifdef _WIN32_WCE
typedef struct GXDisplayProperties GXDisplayProperties;
typedef struct GXKeyList GXKeyList;
#include <gx.h>
typedef struct GXKeyList (*GXGETDEFAULTKEYS)(int);
typedef int (*GXOPENINPUT)();
GXGETDEFAULTKEYS GXGetDefaultKeys_ = NULL;
GXOPENINPUT GXOpenInput_ = NULL;
struct GXKeyList gxKeyList;
#endif /* _WIN32_WCE */
#ifdef _DEBUG
/*
* WM_ message to string, for debugging
* This is taken from the 8.0 SDK, so Windows 8 API and everything earlier is included
*/
struct WM_MESSAGE_MAP
{
UINT nMsg;
LPCSTR lpszMsg;
};
#define DEFINE_MESSAGE(wm){ wm, #wm }
static struct WM_MESSAGE_MAP allMessages[] =
{
DEFINE_MESSAGE(WM_NULL),
DEFINE_MESSAGE(WM_CREATE),
DEFINE_MESSAGE(WM_DESTROY),
DEFINE_MESSAGE(WM_MOVE),
DEFINE_MESSAGE(WM_SIZE),
DEFINE_MESSAGE(WM_ACTIVATE),
DEFINE_MESSAGE(WM_SETFOCUS),
DEFINE_MESSAGE(WM_KILLFOCUS),
DEFINE_MESSAGE(WM_ENABLE),
DEFINE_MESSAGE(WM_SETREDRAW),
DEFINE_MESSAGE(WM_SETTEXT),
DEFINE_MESSAGE(WM_GETTEXT),
DEFINE_MESSAGE(WM_GETTEXTLENGTH),
DEFINE_MESSAGE(WM_PAINT),
DEFINE_MESSAGE(WM_CLOSE),
# ifndef _WIN32_WCE
DEFINE_MESSAGE(WM_QUERYENDSESSION),
DEFINE_MESSAGE(WM_QUERYOPEN),
DEFINE_MESSAGE(WM_ENDSESSION),
# endif
DEFINE_MESSAGE(WM_QUIT),
DEFINE_MESSAGE(WM_ERASEBKGND),
DEFINE_MESSAGE(WM_SYSCOLORCHANGE),
DEFINE_MESSAGE(WM_SHOWWINDOW),
DEFINE_MESSAGE(WM_WININICHANGE),
DEFINE_MESSAGE(WM_DEVMODECHANGE),
DEFINE_MESSAGE(WM_ACTIVATEAPP),
DEFINE_MESSAGE(WM_FONTCHANGE),
DEFINE_MESSAGE(WM_TIMECHANGE),
DEFINE_MESSAGE(WM_CANCELMODE),
DEFINE_MESSAGE(WM_SETCURSOR),
DEFINE_MESSAGE(WM_MOUSEACTIVATE),
DEFINE_MESSAGE(WM_CHILDACTIVATE),
DEFINE_MESSAGE(WM_QUEUESYNC),
DEFINE_MESSAGE(WM_GETMINMAXINFO),
DEFINE_MESSAGE(WM_PAINTICON),
DEFINE_MESSAGE(WM_ICONERASEBKGND),
DEFINE_MESSAGE(WM_NEXTDLGCTL),
DEFINE_MESSAGE(WM_SPOOLERSTATUS),
DEFINE_MESSAGE(WM_DRAWITEM),
DEFINE_MESSAGE(WM_MEASUREITEM),
DEFINE_MESSAGE(WM_DELETEITEM),
DEFINE_MESSAGE(WM_VKEYTOITEM),
DEFINE_MESSAGE(WM_CHARTOITEM),
DEFINE_MESSAGE(WM_SETFONT),
DEFINE_MESSAGE(WM_GETFONT),
DEFINE_MESSAGE(WM_SETHOTKEY),
DEFINE_MESSAGE(WM_GETHOTKEY),
DEFINE_MESSAGE(WM_QUERYDRAGICON),
DEFINE_MESSAGE(WM_COMPAREITEM),
# if(WINVER >= 0x0500)
# ifndef _WIN32_WCE
DEFINE_MESSAGE(WM_GETOBJECT),
# endif
# endif /* WINVER >= 0x0500 */
DEFINE_MESSAGE(WM_COMPACTING),
DEFINE_MESSAGE(WM_COMMNOTIFY),
DEFINE_MESSAGE(WM_WINDOWPOSCHANGING),
DEFINE_MESSAGE(WM_WINDOWPOSCHANGED),
DEFINE_MESSAGE(WM_POWER),
DEFINE_MESSAGE(WM_COPYDATA),
DEFINE_MESSAGE(WM_CANCELJOURNAL),
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_NOTIFY),
DEFINE_MESSAGE(WM_INPUTLANGCHANGEREQUEST),
DEFINE_MESSAGE(WM_INPUTLANGCHANGE),
DEFINE_MESSAGE(WM_TCARD),
DEFINE_MESSAGE(WM_HELP),
DEFINE_MESSAGE(WM_USERCHANGED),
DEFINE_MESSAGE(WM_NOTIFYFORMAT),
DEFINE_MESSAGE(WM_CONTEXTMENU),
DEFINE_MESSAGE(WM_STYLECHANGING),
DEFINE_MESSAGE(WM_STYLECHANGED),
DEFINE_MESSAGE(WM_DISPLAYCHANGE),
DEFINE_MESSAGE(WM_GETICON),
DEFINE_MESSAGE(WM_SETICON),
# endif /* WINVER >= 0x0400 */
DEFINE_MESSAGE(WM_NCCREATE),
DEFINE_MESSAGE(WM_NCDESTROY),
DEFINE_MESSAGE(WM_NCCALCSIZE),
DEFINE_MESSAGE(WM_NCHITTEST),
DEFINE_MESSAGE(WM_NCPAINT),
DEFINE_MESSAGE(WM_NCACTIVATE),
DEFINE_MESSAGE(WM_GETDLGCODE),
# ifndef _WIN32_WCE
DEFINE_MESSAGE(WM_SYNCPAINT),
# endif
DEFINE_MESSAGE(WM_NCMOUSEMOVE),
DEFINE_MESSAGE(WM_NCLBUTTONDOWN),
DEFINE_MESSAGE(WM_NCLBUTTONUP),
DEFINE_MESSAGE(WM_NCLBUTTONDBLCLK),
DEFINE_MESSAGE(WM_NCRBUTTONDOWN),
DEFINE_MESSAGE(WM_NCRBUTTONUP),
DEFINE_MESSAGE(WM_NCRBUTTONDBLCLK),
DEFINE_MESSAGE(WM_NCMBUTTONDOWN),
DEFINE_MESSAGE(WM_NCMBUTTONUP),
DEFINE_MESSAGE(WM_NCMBUTTONDBLCLK),
# if(_WIN32_WINNT >= 0x0500) && defined(WM_NCXBUTTONDOWN)
DEFINE_MESSAGE(WM_NCXBUTTONDOWN),
DEFINE_MESSAGE(WM_NCXBUTTONUP),
DEFINE_MESSAGE(WM_NCXBUTTONDBLCLK),
# endif /* _WIN32_WINNT >= 0x0500 */
# if(_WIN32_WINNT >= 0x0501)
DEFINE_MESSAGE(WM_INPUT_DEVICE_CHANGE),
# endif /* _WIN32_WINNT >= 0x0501 */
# if(_WIN32_WINNT >= 0x0501)
DEFINE_MESSAGE(WM_INPUT),
# endif /* _WIN32_WINNT >= 0x0501 */
DEFINE_MESSAGE(WM_KEYDOWN),
DEFINE_MESSAGE(WM_KEYUP),
DEFINE_MESSAGE(WM_CHAR),
DEFINE_MESSAGE(WM_DEADCHAR),
DEFINE_MESSAGE(WM_SYSKEYDOWN),
DEFINE_MESSAGE(WM_SYSKEYUP),
DEFINE_MESSAGE(WM_SYSCHAR),
DEFINE_MESSAGE(WM_SYSDEADCHAR),
# if(_WIN32_WINNT >= 0x0501)
DEFINE_MESSAGE(WM_UNICHAR),
# endif /* _WIN32_WINNT >= 0x0501 */
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_IME_STARTCOMPOSITION),
DEFINE_MESSAGE(WM_IME_ENDCOMPOSITION),
DEFINE_MESSAGE(WM_IME_COMPOSITION),
DEFINE_MESSAGE(WM_IME_KEYLAST),
# endif /* WINVER >= 0x0400 */
DEFINE_MESSAGE(WM_INITDIALOG),
DEFINE_MESSAGE(WM_COMMAND),
DEFINE_MESSAGE(WM_SYSCOMMAND),
DEFINE_MESSAGE(WM_TIMER),
DEFINE_MESSAGE(WM_HSCROLL),
DEFINE_MESSAGE(WM_VSCROLL),
DEFINE_MESSAGE(WM_INITMENU),
DEFINE_MESSAGE(WM_INITMENUPOPUP),
# if(WINVER >= 0x0601)
DEFINE_MESSAGE(WM_GESTURE),
DEFINE_MESSAGE(WM_GESTURENOTIFY),
# endif /* WINVER >= 0x0601 */
DEFINE_MESSAGE(WM_MENUSELECT),
DEFINE_MESSAGE(WM_MENUCHAR),
DEFINE_MESSAGE(WM_ENTERIDLE),
# if(WINVER >= 0x0500)
# ifndef _WIN32_WCE
DEFINE_MESSAGE(WM_MENURBUTTONUP),
DEFINE_MESSAGE(WM_MENUDRAG),
DEFINE_MESSAGE(WM_MENUGETOBJECT),
DEFINE_MESSAGE(WM_UNINITMENUPOPUP),
DEFINE_MESSAGE(WM_MENUCOMMAND),
# if(_WIN32_WINNT >= 0x0500) && defined(WM_CHANGEUISTATE)
DEFINE_MESSAGE(WM_CHANGEUISTATE),
DEFINE_MESSAGE(WM_UPDATEUISTATE),
DEFINE_MESSAGE(WM_QUERYUISTATE),
# endif /* _WIN32_WINNT >= 0x0500 */
# endif
# endif /* WINVER >= 0x0500 */
DEFINE_MESSAGE(WM_CTLCOLORMSGBOX),
DEFINE_MESSAGE(WM_CTLCOLOREDIT),
DEFINE_MESSAGE(WM_CTLCOLORLISTBOX),
DEFINE_MESSAGE(WM_CTLCOLORBTN),
DEFINE_MESSAGE(WM_CTLCOLORDLG),
DEFINE_MESSAGE(WM_CTLCOLORSCROLLBAR),
DEFINE_MESSAGE(WM_CTLCOLORSTATIC),
# define MN_GETHMENU 0x01E1
DEFINE_MESSAGE(WM_MOUSEMOVE),
DEFINE_MESSAGE(WM_LBUTTONDOWN),
DEFINE_MESSAGE(WM_LBUTTONUP),
DEFINE_MESSAGE(WM_LBUTTONDBLCLK),
DEFINE_MESSAGE(WM_RBUTTONDOWN),
DEFINE_MESSAGE(WM_RBUTTONUP),
DEFINE_MESSAGE(WM_RBUTTONDBLCLK),
DEFINE_MESSAGE(WM_MBUTTONDOWN),
DEFINE_MESSAGE(WM_MBUTTONUP),
DEFINE_MESSAGE(WM_MBUTTONDBLCLK),
# if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)
DEFINE_MESSAGE(WM_MOUSEWHEEL),
# endif
# if (_WIN32_WINNT >= 0x0500) && defined(WM_XBUTTONDOWN)
DEFINE_MESSAGE(WM_XBUTTONDOWN),
DEFINE_MESSAGE(WM_XBUTTONUP),
DEFINE_MESSAGE(WM_XBUTTONDBLCLK),
# endif
# if (_WIN32_WINNT >= 0x0600)
DEFINE_MESSAGE(WM_MOUSEHWHEEL),
# endif
DEFINE_MESSAGE(WM_PARENTNOTIFY),
DEFINE_MESSAGE(WM_ENTERMENULOOP),
DEFINE_MESSAGE(WM_EXITMENULOOP),
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_NEXTMENU),
DEFINE_MESSAGE(WM_SIZING),
DEFINE_MESSAGE(WM_CAPTURECHANGED),
DEFINE_MESSAGE(WM_MOVING),
# endif /* WINVER >= 0x0400 */
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_POWERBROADCAST),
DEFINE_MESSAGE(WM_DEVICECHANGE),
# endif /* WINVER >= 0x0400 */
DEFINE_MESSAGE(WM_MDICREATE),
DEFINE_MESSAGE(WM_MDIDESTROY),
DEFINE_MESSAGE(WM_MDIACTIVATE),
DEFINE_MESSAGE(WM_MDIRESTORE),
DEFINE_MESSAGE(WM_MDINEXT),
DEFINE_MESSAGE(WM_MDIMAXIMIZE),
DEFINE_MESSAGE(WM_MDITILE),
DEFINE_MESSAGE(WM_MDICASCADE),
DEFINE_MESSAGE(WM_MDIICONARRANGE),
DEFINE_MESSAGE(WM_MDIGETACTIVE),
DEFINE_MESSAGE(WM_MDISETMENU),
DEFINE_MESSAGE(WM_ENTERSIZEMOVE),
DEFINE_MESSAGE(WM_EXITSIZEMOVE),
DEFINE_MESSAGE(WM_DROPFILES),
DEFINE_MESSAGE(WM_MDIREFRESHMENU),
# if(WINVER >= 0x0602)
DEFINE_MESSAGE(WM_POINTERDEVICECHANGE),
DEFINE_MESSAGE(WM_POINTERDEVICEINRANGE),
DEFINE_MESSAGE(WM_POINTERDEVICEOUTOFRANGE),
# endif /* WINVER >= 0x0602 */
# if(WINVER >= 0x0601)
DEFINE_MESSAGE(WM_TOUCH),
# endif /* WINVER >= 0x0601 */
# if(WINVER >= 0x0602)
DEFINE_MESSAGE(WM_NCPOINTERUPDATE),
DEFINE_MESSAGE(WM_NCPOINTERDOWN),
DEFINE_MESSAGE(WM_NCPOINTERUP),
DEFINE_MESSAGE(WM_POINTERUPDATE),
DEFINE_MESSAGE(WM_POINTERDOWN),
DEFINE_MESSAGE(WM_POINTERUP),
DEFINE_MESSAGE(WM_POINTERENTER),
DEFINE_MESSAGE(WM_POINTERLEAVE),
DEFINE_MESSAGE(WM_POINTERACTIVATE),
DEFINE_MESSAGE(WM_POINTERCAPTURECHANGED),
DEFINE_MESSAGE(WM_TOUCHHITTESTING),
DEFINE_MESSAGE(WM_POINTERWHEEL),
DEFINE_MESSAGE(WM_POINTERHWHEEL),
# endif /* WINVER >= 0x0602 */
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_IME_SETCONTEXT),
DEFINE_MESSAGE(WM_IME_NOTIFY),
DEFINE_MESSAGE(WM_IME_CONTROL),
DEFINE_MESSAGE(WM_IME_COMPOSITIONFULL),
DEFINE_MESSAGE(WM_IME_SELECT),
DEFINE_MESSAGE(WM_IME_CHAR),
# endif /* WINVER >= 0x0400 */
# if(WINVER >= 0x0500)
DEFINE_MESSAGE(WM_IME_REQUEST),
# endif /* WINVER >= 0x0500 */
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_IME_KEYDOWN),
DEFINE_MESSAGE(WM_IME_KEYUP),
# endif /* WINVER >= 0x0400 */
# if((_WIN32_WINNT >= 0x0400) || (WINVER >= 0x0500))
DEFINE_MESSAGE(WM_MOUSEHOVER),
DEFINE_MESSAGE(WM_MOUSELEAVE),
# endif
# if(WINVER >= 0x0500) && defined(WM_NCMOUSEHOVER)
DEFINE_MESSAGE(WM_NCMOUSEHOVER),
DEFINE_MESSAGE(WM_NCMOUSELEAVE),
# endif /* WINVER >= 0x0500 */
# if(_WIN32_WINNT >= 0x0501)
DEFINE_MESSAGE(WM_WTSSESSION_CHANGE),
# endif /* _WIN32_WINNT >= 0x0501 */
DEFINE_MESSAGE(WM_CUT),
DEFINE_MESSAGE(WM_COPY),
DEFINE_MESSAGE(WM_PASTE),
DEFINE_MESSAGE(WM_CLEAR),
DEFINE_MESSAGE(WM_UNDO),
DEFINE_MESSAGE(WM_RENDERFORMAT),
DEFINE_MESSAGE(WM_RENDERALLFORMATS),
DEFINE_MESSAGE(WM_DESTROYCLIPBOARD),
DEFINE_MESSAGE(WM_DRAWCLIPBOARD),
DEFINE_MESSAGE(WM_PAINTCLIPBOARD),
DEFINE_MESSAGE(WM_VSCROLLCLIPBOARD),
DEFINE_MESSAGE(WM_SIZECLIPBOARD),
DEFINE_MESSAGE(WM_ASKCBFORMATNAME),
DEFINE_MESSAGE(WM_CHANGECBCHAIN),
DEFINE_MESSAGE(WM_HSCROLLCLIPBOARD),
DEFINE_MESSAGE(WM_QUERYNEWPALETTE),
DEFINE_MESSAGE(WM_PALETTEISCHANGING),
DEFINE_MESSAGE(WM_PALETTECHANGED),
DEFINE_MESSAGE(WM_HOTKEY),
# if(WINVER >= 0x0400)
DEFINE_MESSAGE(WM_PRINT),
DEFINE_MESSAGE(WM_PRINTCLIENT),
# endif /* WINVER >= 0x0400 */
# if(_WIN32_WINNT >= 0x0500) && defined(WM_APPCOMMAND)
DEFINE_MESSAGE(WM_APPCOMMAND),
# endif /* _WIN32_WINNT >= 0x0500 */
# if(_WIN32_WINNT >= 0x0501)
DEFINE_MESSAGE(WM_THEMECHANGED),
# endif /* _WIN32_WINNT >= 0x0501 */
# if(_WIN32_WINNT >= 0x0501)
DEFINE_MESSAGE(WM_CLIPBOARDUPDATE),
# endif /* _WIN32_WINNT >= 0x0501 */
# if(_WIN32_WINNT >= 0x0600)
DEFINE_MESSAGE(WM_DWMCOMPOSITIONCHANGED),
DEFINE_MESSAGE(WM_DWMNCRENDERINGCHANGED),
DEFINE_MESSAGE(WM_DWMCOLORIZATIONCOLORCHANGED),
DEFINE_MESSAGE(WM_DWMWINDOWMAXIMIZEDCHANGE),
# endif /* _WIN32_WINNT >= 0x0600 */
# if(_WIN32_WINNT >= 0x0601)
DEFINE_MESSAGE(WM_DWMSENDICONICTHUMBNAIL),
DEFINE_MESSAGE(WM_DWMSENDICONICLIVEPREVIEWBITMAP),
# endif /* _WIN32_WINNT >= 0x0601 */
# if(WINVER >= 0x0600)
DEFINE_MESSAGE(WM_GETTITLEBARINFOEX),
# endif /* WINVER >= 0x0600 */
{ 0, NULL, } /* end of message list */
};
#undef DEFINE_MESSAGE
char* WMMsg2Str(DWORD dwMessage)
{
struct WM_MESSAGE_MAP* pMapMsg = allMessages;
for (/*null*/; pMapMsg->lpszMsg != NULL; pMapMsg++)
{
if (pMapMsg->nMsg == dwMessage )
{
return (char *)pMapMsg->lpszMsg;
}
}
return "";
}
#endif /* _DEBUG */
/* Get system time, taking special precautions against 32bit timer wrap.
We use timeGetTime and not GetTickCount because of its better stability,
and because we can increase its granularity (to 1 ms in
fgPlatformInitialize). For that reason we can't use GetTickCount64 which
wouldn't have the wrap issue.
Credit: this is based on code in glibc (https://mail.gnome.org/archives/commits-list/2011-November/msg04588.html)
*/
static fg_time_t lastTime32 = 0;
static fg_time_t timeEpoch = 0;
void fgPlatformInitSystemTime()
{
#if defined(_WIN32_WCE)
lastTime32 = GetTickCount();
#else
lastTime32 = timeGetTime();
#endif
}
fg_time_t fgPlatformSystemTime ( void )
{
fg_time_t currTime32;
#if defined(_WIN32_WCE)
currTime32 = GetTickCount();
#else
currTime32 = timeGetTime();
#endif
/* Check if we just wrapped */
if (currTime32 < lastTime32)
timeEpoch++;
lastTime32 = currTime32;
return currTime32 | timeEpoch << 32;
}
void fgPlatformSleepForEvents( fg_time_t msec )
{
MsgWaitForMultipleObjects( 0, NULL, FALSE, (DWORD) msec, QS_ALLINPUT );
}
void fgPlatformProcessSingleEvent ( void )
{
MSG stMsg;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
{
if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
{
if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
{
fgDeinitialize( );
exit( 0 );
}
else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
fgState.ExecState = GLUT_EXEC_STATE_STOP;
return;
}
TranslateMessage( &stMsg );
DispatchMessage( &stMsg );
}
}
static void fghPlatformOnWindowStatusNotify(SFG_Window *window, GLboolean visState, GLboolean forceNotify)
{
GLboolean notify = GL_FALSE;
SFG_Window* child;
if (window->State.Visible != visState)
{
window->State.Visible = visState;
/* If top level window (not a subwindow/child), and icon title text available, switch titles based on visibility state */
if (!window->Parent && window->State.pWState.IconTitle)
{
if (visState)
/* visible, set window title */
SetWindowText( window->Window.Handle, window->State.pWState.WindowTitle );
else
/* not visible, set icon title */
SetWindowText( window->Window.Handle, window->State.pWState.IconTitle );
}
notify = GL_TRUE;
}
if (notify || forceNotify)
{
SFG_Window *saved_window = fgStructure.CurrentWindow;
/* On win32 we only have two states, window displayed and window not displayed (iconified)
* We map these to GLUT_FULLY_RETAINED and GLUT_HIDDEN respectively.
*/
INVOKE_WCB( *window, WindowStatus, ( visState ? GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
fgSetWindow( saved_window );
}
/* Also set windowStatus/visibility state for children */
for( child = ( SFG_Window * )window->Children.First;
child;
child = ( SFG_Window * )child->Node.Next )
{
fghPlatformOnWindowStatusNotify(child, visState, GL_FALSE); /* No need to propagate forceNotify. Childs get this from their own INIT_WORK */
}
}
void fgPlatformMainLoopPreliminaryWork ( void )
{
/* no-op */
}
/*
* Determine a GLUT modifier mask based on MS-WINDOWS system info.
*/
static int fgPlatformGetModifiers (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 );
}
/* Check whether a button (VK_*BUTTON) is currently depressed. Returns
* non-zero (not necessarily 1) if yes. */
static SHORT fgGetKeyState(int vKey)
{
/* MSDN says: "If the high-order bit is 1, the key is down; otherwise, it is up". */
return GetKeyState(vKey) & 0xFF00;
}
static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean keydown, WPARAM wParam, LPARAM lParam)
{
static unsigned char lControl = 0, lShift = 0, lAlt = 0,
rControl = 0, rShift = 0, rAlt = 0;
int keypress = -1;
/* if keydown, check for repeat */
/* If repeat is globally switched off, it cannot be switched back on per window.
* But if it is globally switched on, it can be switched off per window. This matches
* GLUT's behavior on X11, but not Nate Robbins' win32 GLUT, as he didn't implement the
* global state switch.
*/
if( keydown && ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
return 1;
/* Remember the current modifiers state so user can query it from their callback */
fgState.Modifiers = fgPlatformGetModifiers( );
/* Convert the Win32 keystroke codes to GLUTtish way */
# define FG_KEY(a,b) case a: keypress = b; break;
switch( wParam )
{
FG_KEY( VK_F1, GLUT_KEY_F1 );
FG_KEY( VK_F2, GLUT_KEY_F2 );
FG_KEY( VK_F3, GLUT_KEY_F3 );
FG_KEY( VK_F4, GLUT_KEY_F4 );
FG_KEY( VK_F5, GLUT_KEY_F5 );
FG_KEY( VK_F6, GLUT_KEY_F6 );
FG_KEY( VK_F7, GLUT_KEY_F7 );
FG_KEY( VK_F8, GLUT_KEY_F8 );
FG_KEY( VK_F9, GLUT_KEY_F9 );
FG_KEY( VK_F10, GLUT_KEY_F10 );
FG_KEY( VK_F11, GLUT_KEY_F11 );
FG_KEY( VK_F12, GLUT_KEY_F12 );
FG_KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
FG_KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
FG_KEY( VK_HOME, GLUT_KEY_HOME );
FG_KEY( VK_END, GLUT_KEY_END );
FG_KEY( VK_LEFT, GLUT_KEY_LEFT );
FG_KEY( VK_UP, GLUT_KEY_UP );
FG_KEY( VK_RIGHT, GLUT_KEY_RIGHT );
FG_KEY( VK_DOWN, GLUT_KEY_DOWN );
FG_KEY( VK_INSERT, GLUT_KEY_INSERT );
/* handle control, alt and shift. For GLUT, we want to distinguish between left and right presses.
* The VK_L* & VK_R* left and right Alt, Ctrl and Shift virtual keys are however only used as parameters to GetAsyncKeyState() and GetKeyState()
* so when we get an alt, shift or control keypress here, we manually check whether it was the left or the right
*/
#define FG_KEY_EVENT(winKey,glutKey,keyStateVar)\
if (!keyStateVar && fgGetKeyState ( winKey ))\
{\
keypress = glutKey;\
keyStateVar = 1;\
}\
else if (keyStateVar && !fgGetKeyState ( winKey ))\
{\
keypress = glutKey;\
keyStateVar = 0;\
}
case VK_CONTROL:
FG_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
FG_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
break;
case VK_SHIFT:
FG_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
FG_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
break;
case VK_MENU:
FG_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
FG_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
break;
#undef KEY_EVENT
case VK_DELETE:
/* The delete key should be treated as an ASCII keypress: */
if (keydown)
INVOKE_WCB( *window, Keyboard,
( 127, window->State.MouseX, window->State.MouseY )
);
else
INVOKE_WCB( *window, KeyboardUp,
( 127, window->State.MouseX, window->State.MouseY )
);
break;
#if !defined(_WIN32_WCE)
default:
/* keydown displayable characters are handled with WM_CHAR message, but no corresponding up is generated. So get that here. */
if (!keydown)
{
BYTE state[ 256 ];
WORD code[ 2 ];
GetKeyboardState( state );
if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 )
wParam=code[ 0 ];
INVOKE_WCB( *window, KeyboardUp,
( (char)(wParam & 0xFF), /* and with 0xFF to indicate to runtime that we want to strip out higher bits - otherwise we get a runtime error when "Smaller Type Checks" is enabled */
window->State.MouseX, window->State.MouseY )
);
}
#endif
}
#if defined(_WIN32_WCE)
if(keydown && !(lParam & 0x40000000)) /* Prevent auto-repeat */
{
if(wParam==(unsigned)gxKeyList.vkRight)
keypress = GLUT_KEY_RIGHT;
else if(wParam==(unsigned)gxKeyList.vkLeft)
keypress = GLUT_KEY_LEFT;
else if(wParam==(unsigned)gxKeyList.vkUp)
keypress = GLUT_KEY_UP;
else if(wParam==(unsigned)gxKeyList.vkDown)
keypress = GLUT_KEY_DOWN;
else if(wParam==(unsigned)gxKeyList.vkA)
keypress = GLUT_KEY_F1;
else if(wParam==(unsigned)gxKeyList.vkB)
keypress = GLUT_KEY_F2;
else if(wParam==(unsigned)gxKeyList.vkC)
keypress = GLUT_KEY_F3;
else if(wParam==(unsigned)gxKeyList.vkStart)
keypress = GLUT_KEY_F4;
}
#endif
if( keypress != -1 )
if (keydown)
INVOKE_WCB( *window, Special,
( keypress,
window->State.MouseX, window->State.MouseY )
);
else
INVOKE_WCB( *window, SpecialUp,
( keypress,
window->State.MouseX, window->State.MouseY )
);
fgState.Modifiers = INVALID_MODIFIERS;
/* SYSKEY events should be sent to default window proc for system to handle them */
if (uMsg==WM_SYSKEYDOWN || uMsg==WM_SYSKEYUP)
return DefWindowProc( window->Window.Handle, uMsg, wParam, lParam );
else
return 1;
}
SFG_Window* fghWindowUnderCursor(SFG_Window *window)
{
/* Check if the current window that the mouse is over is a child window
* of the window the message was sent to. Some events only sent to main window,
* and when handling some messages, we need to make sure that we process
* callbacks on the child window instead. This mirrors how GLUT does things.
* returns either the original window or the found child.
*/
if (window && window->Children.First) /* This window has childs */
{
HWND hwnd;
SFG_Window* child_window;
/* Get mouse position at time of message */
DWORD mouse_pos_dw = GetMessagePos();
POINT mouse_pos;
mouse_pos.x = GET_X_LPARAM(mouse_pos_dw);
mouse_pos.y = GET_Y_LPARAM(mouse_pos_dw);
ScreenToClient( window->Window.Handle, &mouse_pos );
hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
if (hwnd && hwnd!=window->Window.Handle) /* can be NULL if mouse outside parent by the time we get here, or can be same as parent if we didn't find a child */
{
child_window = fgWindowByHandle(hwnd);
if (child_window) /* Verify we got a FreeGLUT window */
{
/* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
window = fghWindowUnderCursor(child_window);
}
}
}
return window;
}
/*
* The window procedure for handling Win32 events
*/
LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
SFG_Window *window;
LRESULT lRet = 1;
static int setCaptureActive = 0;
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
window = fgWindowByHandle( hWnd );
if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
return DefWindowProc( hWnd, uMsg, wParam, lParam );
/* printf ( "Window %3d message %s (<%04x>) %12d %12d\n", window?window->ID:0,
WMMsg2Str(uMsg), uMsg, wParam, lParam ); */
switch( uMsg )
{
case WM_CREATE:
/* The window structure is passed as the creation structure parameter... */
window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
"fgPlatformWindowProc" );
window->Window.Handle = hWnd;
window->Window.pContext.Device = GetDC( hWnd );
if( window->IsMenu )
{
unsigned int current_DisplayMode = fgState.DisplayMode;
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
#if !defined(_WIN32_WCE)
fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
#endif
fgState.DisplayMode = current_DisplayMode;
if( fgStructure.MenuContext )
wglMakeCurrent( window->Window.pContext.Device,
fgStructure.MenuContext->MContext
);
else
{
fgStructure.MenuContext =
(SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
fgStructure.MenuContext->MContext =
wglCreateContext( window->Window.pContext.Device );
}
/* window->Window.Context = wglGetCurrentContext (); */
window->Window.Context = wglCreateContext( window->Window.pContext.Device );
}
else
{
#if !defined(_WIN32_WCE)
fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
#endif
if( ! fgState.UseCurrentContext )
window->Window.Context =
wglCreateContext( window->Window.pContext.Device );
else
{
window->Window.Context = wglGetCurrentContext( );
if( ! window->Window.Context )
window->Window.Context =
wglCreateContext( window->Window.pContext.Device );
}
#if !defined(_WIN32_WCE)
fgNewWGLCreateContext( window );
#endif
}
ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
#if defined(_WIN32_WCE)
/* Take over button handling */
{
HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
if (dxDllLib)
{
GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
}
if(GXOpenInput_)
(*GXOpenInput_)();
if(GXGetDefaultKeys_)
gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
}
#endif /* defined(_WIN32_WCE) */
break;
case WM_SIZE:
/* printf("WM_SIZE (ID: %i): wParam: %i, new size: %ix%i \n",window->ID,wParam,LOWORD(lParam),HIWORD(lParam)); */
/* Update visibility state of the window */
if (wParam==SIZE_MINIMIZED)
fghPlatformOnWindowStatusNotify(window,GL_FALSE,GL_FALSE);
else if ((wParam==SIZE_RESTORED || wParam == SIZE_MAXIMIZED) && !window->State.Visible)
fghPlatformOnWindowStatusNotify(window,GL_TRUE,GL_FALSE);
/* Check window visible, we don't want do anything when we get a WM_SIZE because the user or glutIconifyWindow minimized the window */
if( window->State.Visible )
{
int width, height;
#if defined(_WIN32_WCE)
width = HIWORD(lParam);
height = LOWORD(lParam);
#else
width = LOWORD(lParam);
height = HIWORD(lParam);
#endif /* defined(_WIN32_WCE) */
/* Update state and call callback, if there was a change */
fghOnReshapeNotify(window, width, height, GL_FALSE);
}
/* according to docs, should return 0 */
lRet = 0;
break;
case WM_SIZING:
{
/* User resize-dragging the window, call reshape callback and
* force redisplay so display keeps running during dragging.
* Screen still wont update when not moving the cursor though...
*/
RECT rect;
/* PRECT prect = (PRECT) lParam;
printf("WM_SIZING: nc-area: %i,%i\n",prect->right-prect->left,prect->bottom-prect->top); */
/* Get client area, the rect in lParam is including non-client area. */
fghGetClientArea(&rect,window,FALSE);
/* We'll get a WM_SIZE as well, but as state has
* already been updated here, the fghOnReshapeNotify
* in the handler for that message doesn't do anything.
*/
fghOnReshapeNotify(window, rect.right-rect.left, rect.bottom-rect.top, GL_FALSE);
/* Now directly call the drawing function to update
* window and window's childs.
* This mimics the WM_PAINT messages that are received during
* resizing. Note that we don't have a WM_MOVING handler
* as move-dragging doesn't generate WM_MOVE or WM_PAINT
* messages until the mouse is released.
*/
fghRedrawWindowAndChildren(window);
}
/* according to docs, should return TRUE */
lRet = TRUE;
break;
case WM_MOVE:
{
/* Check window is minimized, we don't want to call the position callback when the user or glutIconifyWindow minimized the window */
if (!IsIconic(window->Window.Handle))
{
RECT windowRect;
/* lParam contains coordinates of top-left of client area.
* Get top-left of non-client area of window, matching coordinates of
* glutInitPosition and glutPositionWindow, but not those of
* glutGet(GLUT_WINDOW_X) and glutGet(GLUT_WINDOW_Y), which return
* top-left of client area.
*/
GetWindowRect( window->Window.Handle, &windowRect );
if (window->Parent)
{
/* For child window, we should return relative to upper-left
* of parent's client area.
*/
POINT topleft;
topleft.x = windowRect.left;
topleft.y = windowRect.top;
ScreenToClient(window->Parent->Window.Handle,&topleft);
windowRect.left = topleft.x;
windowRect.top = topleft.y;
}
/* Update state and call callback, if there was a change */
fghOnPositionNotify(window, windowRect.left, windowRect.top, GL_FALSE);
}
}
/* according to docs, should return 0 */
lRet = 0;
break;
case WM_SETFOCUS:
/*printf("WM_SETFOCUS: %p\n", window );*/
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
SetActiveWindow( window->Window.Handle );
UpdateWindow ( hWnd );
break;
case WM_KILLFOCUS:
/*printf("WM_KILLFOCUS: %p\n", window ); */
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
/* Check if there are any open menus that need to be closed */
fgPlatformCheckMenuDeactivate((HWND)wParam);
break;
case WM_MOUSEACTIVATE:
/* Clicks should not activate the menu.
* Especially important when clicking on a menu's submenu item which has no effect.
*/
/*printf("WM_MOUSEACTIVATE\n");*/
if (window->IsMenu)
lRet = MA_NOACTIVATEANDEAT;
else
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
break;
case WM_NCLBUTTONDOWN:
case WM_NCMBUTTONDOWN:
case WM_NCRBUTTONDOWN: