Added subwindows to CallbackMaker demo, for testing and demonstration. Also figured out how key repeat's global and per-window flags are supposed to interact, documented and demonstrated it.
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1512 7f0cb862-5218-0410-a997-914c9d46530a
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dcnieho
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71c6054fe0
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@ -11,16 +11,17 @@
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static int sequence_number = 0 ;
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int windows[2] = {0};
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#define CALLBACKMAKER_N_WINDOWS 4
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int windows[CALLBACKMAKER_N_WINDOWS] = {0};
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/* define status vars showing whether given callback has been called for given window */
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#define CALLBACK_CALLED_VAR(name) int name##_called[2] = {0};
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#define CALLBACK_0V(name) int name##_seq[2] = {-1}; CALLBACK_CALLED_VAR(name);
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#define CALLBACK_1V(name,field) int name##_##field[2] = {-1}; CALLBACK_0V(name);
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#define CALLBACK_2V(name,field1,field2) int name##_##field2[2] = {-1}; CALLBACK_1V(name,field1);
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#define CALLBACK_3V(name,field1,field2,field3) int name##_##field3[2] = {-1}; CALLBACK_2V(name,field1,field2);
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#define CALLBACK_4V(name,field1,field2,field3,field4) int name##_##field4[2] = {-1}; CALLBACK_3V(name,field1,field2,field3);
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#define CALLBACK_5V(name,field1,field2,field3,field4,field5) int name##_##field5[2] = {-1}; CALLBACK_4V(name,field1,field2,field3,field4);
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#define CALLBACK_CALLED_VAR(name) int name##_called[CALLBACKMAKER_N_WINDOWS] = {0};
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#define CALLBACK_0V(name) int name##_seq[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_CALLED_VAR(name);
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#define CALLBACK_1V(name,field) int name##_##field[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_0V(name);
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#define CALLBACK_2V(name,field1,field2) int name##_##field2[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_1V(name,field1);
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#define CALLBACK_3V(name,field1,field2,field3) int name##_##field3[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_2V(name,field1,field2);
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#define CALLBACK_4V(name,field1,field2,field3,field4) int name##_##field4[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_3V(name,field1,field2,field3);
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#define CALLBACK_5V(name,field1,field2,field3,field4,field5) int name##_##field5[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_4V(name,field1,field2,field3,field4);
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CALLBACK_2V(reshape,width,height);
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CALLBACK_2V(position,top,left);
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CALLBACK_1V(visibility,vis);
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@ -65,7 +66,9 @@ getWindowAndIdx(int *winIdx)
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int window = glutGetWindow();
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if (winIdx)
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(*winIdx) = window==windows[0]?0:1;
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(*winIdx) = window==windows[0] ? 0 :
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window==windows[1] ? 1 :
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window==windows[2] ? 2 : 3;
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return window;
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}
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@ -565,32 +568,9 @@ static void Idle ( void )
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++sequence_number ;
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}
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int
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main(int argc, char *argv[])
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static void SetWindowCallbacks( int first )
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{
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char dummy_string[STRING_LENGTH];
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int menuID, subMenuA, subMenuB;
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glutInitWarningFunc(Warning);
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glutInitErrorFunc(Error);
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glutInitWindowSize(500, 250);
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glutInitWindowPosition ( 140, 140 );
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glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE );
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glutInit(&argc, argv);
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glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_CONTINUE_EXECUTION);
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/* Set other global callback (global as in not associated with any specific menu or window) */
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glutIdleFunc ( Idle );
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glutMenuStatusFunc ( MenuStatus );
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glutMenuStateFunc ( MenuState ); /* Note that glutMenuStatusFunc is an enhanced version of the deprecated glutMenuStateFunc. */
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windows[0] = glutCreateWindow( "Callback Demo" );
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printf ( "Creating window %d as 'Callback Demo'\n", windows[0] ) ;
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glClearColor(1.0, 1.0, 1.0, 1.0);
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/* callbacks and settings specific to this window */
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/* All these callbacks are set for only the current window */
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glutDisplayFunc( Display );
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glutReshapeFunc( Reshape );
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glutPositionFunc( Position );
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@ -599,6 +579,7 @@ main(int argc, char *argv[])
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glutVisibilityFunc( Visibility );
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glutKeyboardUpFunc( KeyUp );
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glutSpecialUpFunc( SpecialUp );
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if (first)
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glutJoystickFunc( Joystick, 100 );
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glutMouseFunc ( Mouse ) ;
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glutMouseWheelFunc ( MouseWheel ) ;
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@ -615,7 +596,47 @@ main(int argc, char *argv[])
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glutDialsFunc ( Dials ) ;
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glutTabletMotionFunc ( TabletMotion ) ;
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glutTabletButtonFunc ( TabletButton ) ;
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glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF) ;
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}
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int
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main(int argc, char *argv[])
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{
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char dummy_string[STRING_LENGTH];
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int menuID, subMenuA, subMenuB;
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glutInitWarningFunc(Warning);
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glutInitErrorFunc(Error);
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glutInitWindowSize(500, 250);
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glutInitWindowPosition ( 140, 140 );
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glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE );
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glutInit(&argc, argv);
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/* global setting: mainloop does not return when a window is closed, only returns when all windows are closed */
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glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_CONTINUE_EXECUTION);
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/* global setting: repeated keys generating by keeping the key pressed down are passed on to the keyboard callback */
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/* There are two functions to control this behavior, glutSetKeyRepeat to set it globally, and glutIgnoreKeyRepeat to set it per window.
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* These two interact however. If key repeat is globally switched off (glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF)), it cannot be overridden
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* (switched back on) for a specific window with glutIgnoreKeyRepeat. However, if key repeat is globally switched on
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* (glutSetKeyRepeat(GLUT_KEY_REPEAT_ON)), it can be overridden (switched off) with glutIgnoreKeyRepeat on a per-window basis. That is
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* what we demonstrate here.
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*/
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glutSetKeyRepeat(GLUT_KEY_REPEAT_ON);
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/* Set other global callback (global as in not associated with any specific menu or window) */
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glutIdleFunc ( Idle );
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glutMenuStatusFunc ( MenuStatus );
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glutMenuStateFunc ( MenuState ); /* Note that glutMenuStatusFunc is an enhanced version of the deprecated glutMenuStateFunc. */
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/* Open first window */
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windows[0] = glutCreateWindow( "Callback Demo" );
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printf ( "Creating window %d as 'Callback Demo'\n", windows[0] ) ;
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glClearColor(1.0, 1.0, 1.0, 1.0);
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/* callbacks, settings and menus for this window */
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SetWindowCallbacks( 1 );
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glutIgnoreKeyRepeat(GL_TRUE);
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subMenuA = glutCreateMenu( MenuCallback );
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glutAddMenuEntry( "Sub menu A1 (01)", 11 );
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@ -642,44 +663,46 @@ main(int argc, char *argv[])
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glutAttachMenu( GLUT_LEFT_BUTTON );
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glutInitWindowPosition ( 140+500+2*glutGet(GLUT_WINDOW_BORDER_WIDTH), 140 );
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/* Position second window right next to the first */
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glutInitWindowPosition ( 140+500+2*glutGet(GLUT_WINDOW_BORDER_WIDTH), 140 );
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glutInitWindowSize(600, 600);
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windows[1] = glutCreateWindow( "Second Window" );
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printf ( "Creating window %d as 'Second Window'\n", windows[1] ) ;
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glClearColor(1.0, 1.0, 1.0, 1.0);
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/* callbacks and settings specific to this window */
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glutDisplayFunc( Display );
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glutReshapeFunc( Reshape );
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glutPositionFunc( Position );
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glutKeyboardFunc( Key );
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glutSpecialFunc( Special );
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glutVisibilityFunc( Visibility );
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glutKeyboardUpFunc( KeyUp );
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glutSpecialUpFunc( SpecialUp );
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/* glutJoystickFunc( Joystick, 100 ); */
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glutMouseFunc ( Mouse ) ;
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glutMouseWheelFunc ( MouseWheel ) ;
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glutMotionFunc ( Motion ) ;
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glutPassiveMotionFunc ( PassiveMotion ) ;
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glutEntryFunc ( Entry ) ;
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glutCloseFunc ( Close ) ;
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glutOverlayDisplayFunc ( OverlayDisplay ) ;
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glutWindowStatusFunc ( WindowStatus ) ;
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glutSpaceballMotionFunc ( SpaceMotion ) ;
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glutSpaceballRotateFunc ( SpaceRotation ) ;
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glutSpaceballButtonFunc ( SpaceButton ) ;
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glutButtonBoxFunc ( ButtonBox ) ;
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glutDialsFunc ( Dials ) ;
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glutTabletMotionFunc ( TabletMotion ) ;
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glutTabletButtonFunc ( TabletButton ) ;
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glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF) ;
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/* callbacks, settings and menus for this window */
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SetWindowCallbacks( 0 );
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glutIgnoreKeyRepeat(GL_TRUE);
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glutSetMenu(subMenuB);
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glutAttachMenu( GLUT_RIGHT_BUTTON );
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/* position a third window as a subwindow of the second */
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windows[2] = glutCreateSubWindow(windows[1],0,300,600,300);
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printf ( "Creating window %d as subwindow to 'Second Window'\n", windows[2] ) ;
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glClearColor(0.7f, 0.7f, 0.7f, 1.0);
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/* callbacks and menus for this window */
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SetWindowCallbacks( 0 );
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glutSetMenu(subMenuA);
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glutAttachMenu( GLUT_RIGHT_BUTTON );
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/* position a fourth window as a subsubwindow (grandchild) of the second */
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windows[3] = glutCreateSubWindow(windows[2],300,0,300,300);
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printf ( "Creating window %d as subsubwindow to 'Second Window'\n", windows[3] ) ;
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glClearColor(0.4f, 0.4f, 0.4f, 1.0);
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/* callbacks and menus for this window */
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SetWindowCallbacks( 0 );
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printf ( "Please enter something to continue: " );
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fgets ( dummy_string, STRING_LENGTH, stdin );
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@ -179,6 +179,11 @@ static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean ke
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POINT mouse_pos ;
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/* if keydown, check for repeat */
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/* If repeat is globally switched off, it cannot be switched back on per window.
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* But if it is globally switched on, it can be switched off per window. This matches
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* GLUT's behavior on X11, but not Nate Robbins' win32 GLUT, as he didn't implement the
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* global state switch.
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*/
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if( keydown && ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
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return 1;
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