X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffg_main_mswin.c;h=be412baaa6dfed0f93b3b3075b6caeabc7f6e629;hb=e5f1f71e1417e64b104f9a82987665a75b7a9585;hp=daa611cfc373299bec0574c6c91ccc5aa8f7c38c;hpb=7f4876d5e652a7936123de63788bc74d34a15ad7;p=freeglut diff --git a/src/mswin/fg_main_mswin.c b/src/mswin/fg_main_mswin.c index daa611c..be412ba 100644 --- a/src/mswin/fg_main_mswin.c +++ b/src/mswin/fg_main_mswin.c @@ -128,26 +128,61 @@ void fgPlatformProcessSingleEvent ( void ) +static void fghUpdateWindowStatus(SFG_Window *window, GLboolean visState) +{ + SFG_Window* child; + + if (window->State.Visible != visState) + { + window->State.Visible = visState; + INVOKE_WCB( *window, WindowStatus, ( visState ? GLUT_FULLY_RETAINED:GLUT_HIDDEN ) ); + } + + /* Also set visibility state for children */ + for( child = ( SFG_Window * )window->Children.First; + child; + child = ( SFG_Window * )child->Node.Next ) + { + fghUpdateWindowStatus(child, visState); + } +} + +static void fghNotifyWindowStatus(SFG_Window *window) +{ + SFG_Window* child; + + INVOKE_WCB( *window, WindowStatus, ( window->State.Visible?GLUT_FULLY_RETAINED:GLUT_HIDDEN ) ); + + /* Also notify children */ + for( child = ( SFG_Window * )window->Children.First; + child; + child = ( SFG_Window * )child->Node.Next ) + { + fghNotifyWindowStatus(child); + } +} + void fgPlatformMainLoopPreliminaryWork ( void ) { SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ; /* * Processing before the main loop: If there is a window which is open and - * which has a visibility callback, call it. I know this is an ugly hack, - * but I'm not sure what else to do about it. Ideally we should leave - * something uninitialized in the create window code and initialize it in - * the main loop, and have that initialization create a "WM_ACTIVATE" - * message. Then we would put the visibility callback code in the - * "case WM_ACTIVATE" block below. - John Fay -- 10/24/02 + * which has a visibility/windowStatus callback, call it to inform the client + * code that the window is visible. I know this is an ugly hack, + * but I'm not sure what else to do about it. Depending on WM_ACTIVATE would + * not work as not all windows get this when you are opening multiple before + * the mainloop starts. WM_SHOWWINDOW looked like an interesting candidate, but + * it is generated and processed before glutCreate(Sub)Window returns, so no + * callback can yet be set on the window. */ while( window ) { - if ( FETCH_WCB( *window, Visibility ) ) + if ( FETCH_WCB( *window, WindowStatus ) ) { SFG_Window *current_window = fgStructure.CurrentWindow ; - INVOKE_WCB( *window, Visibility, ( window->State.Visible ) ); + fghNotifyWindowStatus(window); fgSetWindow( current_window ); } @@ -361,6 +396,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR { SFG_Window *window; LRESULT lRet = 1; + static int setCaptureActive = 0; FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ; @@ -465,6 +501,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR break; case WM_SIZE: + //printf("WM_SIZE (ID: %i): wParam: %i, new size: %ix%i \n",window->ID,wParam,LOWORD(lParam),HIWORD(lParam)); /* * If the window is visible, then it is the user manually resizing it. * If it is not, then it is the system sending us a dummy resize with @@ -487,28 +524,35 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR window->State.NeedToResize = GL_TRUE; } + /* according to docs, should return 0 */ + lRet = 0; break; case WM_MOVE: { SFG_Window* saved_window = fgStructure.CurrentWindow; RECT windowRect; - GetWindowRect( window->Window.Handle, &windowRect ); - - if (window->Parent) + + /* Check window visible, we don't want to call the position callback when the user minimized the window */ + if (window->State.Visible) { - /* For child window, we should return relative to upper-left - * of parent's client area. - */ - POINT topleft = {windowRect.left,windowRect.top}; - - ScreenToClient(window->Parent->Window.Handle,&topleft); - windowRect.left = topleft.x; - windowRect.top = topleft.y; - } + 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 = {windowRect.left,windowRect.top}; - INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) ); - fgSetWindow(saved_window); + ScreenToClient(window->Parent->Window.Handle,&topleft); + windowRect.left = topleft.x; + windowRect.top = topleft.y; + } + + INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) ); + fgSetWindow(saved_window); + } } break; @@ -534,7 +578,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR #if 0 case WM_ACTIVATE: - //printf("WM_ACTIVATE: %x %d %d\n",lParam, HIWORD(wParam), LOWORD(wParam)); + //printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam)); if (LOWORD(wParam) != WA_INACTIVE) { /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window, @@ -554,16 +598,24 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR { TRACKMOUSEEVENT tme; - /* Cursor just entered window, set cursor look, invoke callback and start tracking so that we get a WM_MOUSELEAVE message */ + /* Cursor just entered window, set cursor look */ fgSetCursor ( window, window->State.Cursor ) ; - INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) ); - tme.cbSize = sizeof(TRACKMOUSEEVENT); - tme.dwFlags = TME_LEAVE; - tme.hwndTrack = window->Window.Handle; - TrackMouseEvent(&tme); - - window->State.pWState.MouseTracking = GL_TRUE; + /* If an EntryFunc callback is specified by the user, also + * invoke that callback and start mouse tracking so that + * we get a WM_MOUSELEAVE message + */ + if (FETCH_WCB( *window, Entry )) + { + INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) ); + + tme.cbSize = sizeof(TRACKMOUSEEVENT); + tme.dwFlags = TME_LEAVE; + tme.hwndTrack = window->Window.Handle; + TrackMouseEvent(&tme); + + window->State.pWState.MouseTracking = GL_TRUE; + } } } else @@ -573,6 +625,10 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR case WM_MOUSELEAVE: { + /* NB: This message is only received when a EntryFunc callback + * is specified by the user, as that is the only condition under + * which mouse tracking is setup in WM_SETCURSOR handler above + */ SFG_Window* saved_window = fgStructure.CurrentWindow; INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) ); fgSetWindow(saved_window); @@ -583,7 +639,8 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR break; case WM_SHOWWINDOW: - window->State.Visible = GL_TRUE; + //printf("WM_SHOWWINDOW\n"); + fghUpdateWindowStatus(window, GL_TRUE); window->State.Redisplay = GL_TRUE; break; @@ -592,6 +649,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR 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 ); @@ -724,17 +782,20 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR window->State.MouseX, window->State.MouseY ) ) break; - /* Set capture so that the window captures all the mouse messages */ - /* - * XXX - Multiple button support: Under X11, the mouse is not released - * XXX - from the window until all buttons have been released, even if the - * XXX - user presses a button in another window. This will take more - * XXX - code changes than I am up to at the moment (10/5/04). The present - * XXX - is a 90 percent solution. + /* Set capture so that the window captures all the mouse messages + * + * The mouse is not released from the window until all buttons have + * been released, even if the user presses a button in another window. + * This is consistent with the behavior on X11. */ if ( pressed == GL_TRUE ) - SetCapture ( window->Window.Handle ) ; - else + { + if (!setCaptureActive) + SetCapture ( window->Window.Handle ) ; + setCaptureActive = 1; /* Set to false in WM_CAPTURECHANGED handler */ + } + else if (!GetAsyncKeyState(VK_LBUTTON) && !GetAsyncKeyState(VK_MBUTTON) && !GetAsyncKeyState(VK_RBUTTON)) + /* Make sure all mouse buttons are released before releasing capture */ ReleaseCapture () ; if( ! FETCH_WCB( *window, Mouse ) ) @@ -753,6 +814,9 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR ); fgState.Modifiers = INVALID_MODIFIERS; + + /* As per docs, should return zero */ + lRet = 0; } break; @@ -850,8 +914,12 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR break; case WM_CAPTURECHANGED: - /* User has finished resizing the window, force a redraw */ - INVOKE_WCB( *window, Display, ( ) ); + if (!lParam || !fgWindowByHandle((HWND)lParam)) + /* Capture released or capture taken by non-FreeGLUT window */ + setCaptureActive = 0; + /* Docs advise a redraw */ + InvalidateRect( hWnd, NULL, GL_FALSE ); + UpdateWindow(hWnd); lRet = 0; /* Per docs, should return zero */ break; @@ -916,7 +984,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR case SC_MINIMIZE : /* User has clicked on the "-" to minimize the window */ /* Turn off the visibility */ - window->State.Visible = GL_FALSE ; + fghUpdateWindowStatus(window, GL_FALSE); break ; @@ -949,6 +1017,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR break ; case SC_RESTORE : + fghUpdateWindowStatus(window, GL_TRUE); break ; case SC_TASKLIST :