X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffg_main_mswin.c;h=19daf5aee783156cdd40748ccb99315182d4f089;hb=577b5282d04d034afc34c7240491d8f94848e46a;hp=8be93e884d1a0953dc8705b42128ddbcd13066d4;hpb=b08e8e8fbedd2df556da4897b1473ac26270cb48;p=freeglut diff --git a/src/mswin/fg_main_mswin.c b/src/mswin/fg_main_mswin.c index 8be93e8..19daf5a 100644 --- a/src/mswin/fg_main_mswin.c +++ b/src/mswin/fg_main_mswin.c @@ -170,95 +170,207 @@ static int fgPlatformGetModifiers (void) ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 ); } -/* - * The window procedure for handling Win32 events - */ -LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, - LPARAM lParam ) +static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean keydown, WPARAM wParam, LPARAM lParam) { - static unsigned char lControl = 0, rControl = 0, lShift = 0, - rShift = 0, lAlt = 0, rAlt = 0; + static unsigned char lControl = 0, lShift = 0, lAlt = 0, + rControl = 0, rShift = 0, rAlt = 0; - SFG_Window *window, *child_window = NULL; - PAINTSTRUCT ps; - LRESULT lRet = 1; + 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( ); - FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ; + /* Convert the Win32 keystroke codes to GLUTtish way */ +# define KEY(a,b) case a: keypress = b; break; - window = fgWindowByHandle( hWnd ); + switch( wParam ) + { + KEY( VK_F1, GLUT_KEY_F1 ); + KEY( VK_F2, GLUT_KEY_F2 ); + KEY( VK_F3, GLUT_KEY_F3 ); + KEY( VK_F4, GLUT_KEY_F4 ); + KEY( VK_F5, GLUT_KEY_F5 ); + KEY( VK_F6, GLUT_KEY_F6 ); + KEY( VK_F7, GLUT_KEY_F7 ); + KEY( VK_F8, GLUT_KEY_F8 ); + KEY( VK_F9, GLUT_KEY_F9 ); + KEY( VK_F10, GLUT_KEY_F10 ); + KEY( VK_F11, GLUT_KEY_F11 ); + KEY( VK_F12, GLUT_KEY_F12 ); + KEY( VK_PRIOR, GLUT_KEY_PAGE_UP ); + KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN ); + KEY( VK_HOME, GLUT_KEY_HOME ); + KEY( VK_END, GLUT_KEY_END ); + KEY( VK_LEFT, GLUT_KEY_LEFT ); + KEY( VK_UP, GLUT_KEY_UP ); + KEY( VK_RIGHT, GLUT_KEY_RIGHT ); + KEY( VK_DOWN, GLUT_KEY_DOWN ); + 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 ASYNC_KEY_EVENT(winKey,glutKey,keyStateVar)\ + if (!keyStateVar && GetAsyncKeyState ( winKey ))\ + {\ + keypress = glutKey;\ + keyStateVar = 1;\ + }\ + else if (keyStateVar && !GetAsyncKeyState ( winKey ))\ + {\ + keypress = glutKey;\ + keyStateVar = 0;\ + } + case VK_CONTROL: + ASYNC_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl); + ASYNC_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl); + break; + case VK_SHIFT: + ASYNC_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift); + ASYNC_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift); + break; + case VK_MENU: + ASYNC_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt); + ASYNC_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt); + break; +#undef ASYNC_KEY_EVENT - if ( ( window == NULL ) && ( uMsg != WM_CREATE ) ) - return DefWindowProc( hWnd, uMsg, wParam, lParam ); + 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; - /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0, - uMsg, wParam, lParam ); */ +#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, + 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; - /* Some events only sent to main window. Check if the current window that - * the mouse is over is a child window. Below when handling some messages, - * we make sure that we process callbacks on the child window instead. - * This mirrors how GLUT does things. + /* 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; +} + +static 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) + if (window && window->Children.First) /* This window has childs */ { - POINT mouse_pos; SFG_WindowHandleType hwnd; - SFG_Window* temp_window; + SFG_Window* child_window; - GetCursorPos( &mouse_pos ); + /* Get mouse position at time of message */ + DWORD mouse_pos_dw = GetMessagePos(); + POINT mouse_pos = {GET_X_LPARAM(mouse_pos_dw), GET_Y_LPARAM(mouse_pos_dw)}; ScreenToClient( window->Window.Handle, &mouse_pos ); + hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos); - if (hwnd) /* can be NULL if mouse outside parent by the time we get here */ + 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 */ { - temp_window = fgWindowByHandle(hwnd); - if (temp_window && temp_window->Parent) /* Verify we got a child window */ - child_window = temp_window; + 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); + } } } - if ( window ) - { - SFG_Window* temp_window = child_window?child_window:window; - - fgState.Modifiers = fgPlatformGetModifiers( ); - - /* Checking for CTRL, ALT, and SHIFT key positions: Key Down! */ -#define SPECIAL_KEY_DOWN(winKey,glutKey,winProcVar)\ - if ( !winProcVar && GetAsyncKeyState ( winKey ) )\ - {\ - INVOKE_WCB ( *temp_window, Special,\ - ( glutKey, temp_window->State.MouseX, temp_window->State.MouseY )\ - );\ - winProcVar = 1;\ - } - - SPECIAL_KEY_DOWN(VK_LCONTROL,GLUT_KEY_CTRL_L ,lControl); - SPECIAL_KEY_DOWN(VK_RCONTROL,GLUT_KEY_CTRL_R ,rControl); - SPECIAL_KEY_DOWN(VK_LSHIFT ,GLUT_KEY_SHIFT_L,lShift); - SPECIAL_KEY_DOWN(VK_RSHIFT ,GLUT_KEY_SHIFT_R,rShift); - SPECIAL_KEY_DOWN(VK_LMENU ,GLUT_KEY_ALT_L ,lAlt); - SPECIAL_KEY_DOWN(VK_RMENU ,GLUT_KEY_ALT_R ,rAlt); -#undef SPECIAL_KEY_DOWN - - /* Checking for CTRL, ALT, and SHIFT key positions: Key Up! */ -#define SPECIAL_KEY_UP(winKey,glutKey,winProcVar)\ - if ( winProcVar && !GetAsyncKeyState ( winKey ) )\ - {\ - INVOKE_WCB ( *temp_window, SpecialUp,\ - ( glutKey, temp_window->State.MouseX, temp_window->State.MouseY )\ - );\ - winProcVar = 0;\ - } - - SPECIAL_KEY_UP(VK_LCONTROL,GLUT_KEY_CTRL_L ,lControl); - SPECIAL_KEY_UP(VK_RCONTROL,GLUT_KEY_CTRL_R ,rControl); - SPECIAL_KEY_UP(VK_LSHIFT ,GLUT_KEY_SHIFT_L,lShift); - SPECIAL_KEY_UP(VK_RSHIFT ,GLUT_KEY_SHIFT_R,rShift); - SPECIAL_KEY_UP(VK_LMENU ,GLUT_KEY_ALT_L ,lAlt); - SPECIAL_KEY_UP(VK_RMENU ,GLUT_KEY_ALT_R ,rAlt); -#undef SPECIAL_KEY_UP - - fgState.Modifiers = INVALID_MODIFIERS; - } + 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; + + 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 <%04x> %12d %12d\n", window?window->ID:0, + uMsg, wParam, lParam ); */ switch( uMsg ) { @@ -405,20 +517,8 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); - if (child_window) - { - /* If we're dealing with a child window, make sure it has input focus instead, set it here. */ - SetFocus(child_window->Window.Handle); - SetActiveWindow( child_window->Window.Handle ); - INVOKE_WCB( *child_window, Entry, ( GLUT_ENTERED ) ); - UpdateWindow ( child_window->Window.Handle ); - } - else - { - SetActiveWindow( window->Window.Handle ); - INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) ); - } - /* Always request update on main window to be safe */ + SetActiveWindow( window->Window.Handle ); + INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) ); UpdateWindow ( hWnd ); break; @@ -438,6 +538,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, #if 0 case WM_ACTIVATE: + //printf("WM_ACTIVATE: %x %d %d\n",lParam, HIWORD(wParam), LOWORD(wParam)); if (LOWORD(wParam) != WA_INACTIVE) { /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window, @@ -463,13 +564,16 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, break; case WM_PAINT: + { + PAINTSTRUCT ps; /* Turn on the visibility in case it was turned off somehow */ window->State.Visible = GL_TRUE; InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */ BeginPaint( hWnd, &ps ); fghRedrawWindow( window ); EndPaint( hWnd, &ps ); - break; + } + break; case WM_CLOSE: fgDestroyWindow ( window ); @@ -630,10 +734,13 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, case WM_MOUSEWHEEL: { + SFG_Window *child_window = NULL; int wheel_number = LOWORD( wParam ); short ticks = ( short )HIWORD( wParam ); - fgState.MouseWheelTicks += ticks; + window = fghWindowUnderCursor(window); + + fgState.MouseWheelTicks += ticks; if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA ) { int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1; @@ -688,196 +795,23 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, case WM_SYSKEYDOWN: case WM_KEYDOWN: { - int keypress = -1; - POINT mouse_pos ; - - if (child_window) - window = child_window; - - if( ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) ) - break; - - /* - * Remember the current modifiers state. This is done here in order - * to make sure the VK_DELETE keyboard callback is executed properly. - */ - fgState.Modifiers = fgPlatformGetModifiers( ); - - GetCursorPos( &mouse_pos ); - ScreenToClient( window->Window.Handle, &mouse_pos ); - - window->State.MouseX = mouse_pos.x; - window->State.MouseY = mouse_pos.y; - - /* Convert the Win32 keystroke codes to GLUTtish way */ -# define KEY(a,b) case a: keypress = b; break; - - switch( wParam ) - { - KEY( VK_F1, GLUT_KEY_F1 ); - KEY( VK_F2, GLUT_KEY_F2 ); - KEY( VK_F3, GLUT_KEY_F3 ); - KEY( VK_F4, GLUT_KEY_F4 ); - KEY( VK_F5, GLUT_KEY_F5 ); - KEY( VK_F6, GLUT_KEY_F6 ); - KEY( VK_F7, GLUT_KEY_F7 ); - KEY( VK_F8, GLUT_KEY_F8 ); - KEY( VK_F9, GLUT_KEY_F9 ); - KEY( VK_F10, GLUT_KEY_F10 ); - KEY( VK_F11, GLUT_KEY_F11 ); - KEY( VK_F12, GLUT_KEY_F12 ); - KEY( VK_PRIOR, GLUT_KEY_PAGE_UP ); - KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN ); - KEY( VK_HOME, GLUT_KEY_HOME ); - KEY( VK_END, GLUT_KEY_END ); - KEY( VK_LEFT, GLUT_KEY_LEFT ); - KEY( VK_UP, GLUT_KEY_UP ); - KEY( VK_RIGHT, GLUT_KEY_RIGHT ); - KEY( VK_DOWN, GLUT_KEY_DOWN ); - KEY( VK_INSERT, GLUT_KEY_INSERT ); - - case VK_LCONTROL: case VK_RCONTROL: case VK_CONTROL: - case VK_LSHIFT: case VK_RSHIFT: case VK_SHIFT: - case VK_LMENU: case VK_RMENU: case VK_MENU: - /* These keypresses and releases are handled earlier in the function */ - break; - - case VK_DELETE: - /* The delete key should be treated as an ASCII keypress: */ - INVOKE_WCB( *window, Keyboard, - ( 127, window->State.MouseX, window->State.MouseY ) - ); - } - -#if defined(_WIN32_WCE) - if(!(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 ) - INVOKE_WCB( *window, Special, - ( keypress, - window->State.MouseX, window->State.MouseY ) - ); - - fgState.Modifiers = INVALID_MODIFIERS; + window = fghWindowUnderCursor(window); + lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam); } break; case WM_SYSKEYUP: case WM_KEYUP: { - int keypress = -1; - POINT mouse_pos; - - if (child_window) - window = child_window; - - /* - * Remember the current modifiers state. This is done here in order - * to make sure the VK_DELETE keyboard callback is executed properly. - */ - fgState.Modifiers = fgPlatformGetModifiers( ); - - GetCursorPos( &mouse_pos ); - ScreenToClient( window->Window.Handle, &mouse_pos ); - - window->State.MouseX = mouse_pos.x; - window->State.MouseY = mouse_pos.y; - - /* - * Convert the Win32 keystroke codes to GLUTtish way. - * "KEY(a,b)" was defined under "WM_KEYDOWN" - */ - - switch( wParam ) - { - KEY( VK_F1, GLUT_KEY_F1 ); - KEY( VK_F2, GLUT_KEY_F2 ); - KEY( VK_F3, GLUT_KEY_F3 ); - KEY( VK_F4, GLUT_KEY_F4 ); - KEY( VK_F5, GLUT_KEY_F5 ); - KEY( VK_F6, GLUT_KEY_F6 ); - KEY( VK_F7, GLUT_KEY_F7 ); - KEY( VK_F8, GLUT_KEY_F8 ); - KEY( VK_F9, GLUT_KEY_F9 ); - KEY( VK_F10, GLUT_KEY_F10 ); - KEY( VK_F11, GLUT_KEY_F11 ); - KEY( VK_F12, GLUT_KEY_F12 ); - KEY( VK_PRIOR, GLUT_KEY_PAGE_UP ); - KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN ); - KEY( VK_HOME, GLUT_KEY_HOME ); - KEY( VK_END, GLUT_KEY_END ); - KEY( VK_LEFT, GLUT_KEY_LEFT ); - KEY( VK_UP, GLUT_KEY_UP ); - KEY( VK_RIGHT, GLUT_KEY_RIGHT ); - KEY( VK_DOWN, GLUT_KEY_DOWN ); - KEY( VK_INSERT, GLUT_KEY_INSERT ); - - case VK_LCONTROL: case VK_RCONTROL: case VK_CONTROL: - case VK_LSHIFT: case VK_RSHIFT: case VK_SHIFT: - case VK_LMENU: case VK_RMENU: case VK_MENU: - /* These keypresses and releases are handled earlier in the function */ - break; - - case VK_DELETE: - /* The delete key should be treated as an ASCII keypress: */ - INVOKE_WCB( *window, KeyboardUp, - ( 127, window->State.MouseX, window->State.MouseY ) - ); - break; - - default: - { -#if !defined(_WIN32_WCE) - 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, - window->State.MouseX, window->State.MouseY ) - ); -#endif /* !defined(_WIN32_WCE) */ - } - } - - if( keypress != -1 ) - INVOKE_WCB( *window, SpecialUp, - ( keypress, - window->State.MouseX, window->State.MouseY ) - ); - - fgState.Modifiers = INVALID_MODIFIERS; + window = fghWindowUnderCursor(window); + lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam); } break; case WM_SYSCHAR: case WM_CHAR: { - if (child_window) - window = child_window; + window = fghWindowUnderCursor(window); if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) ) break;