X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=progs%2Fdemos%2FCallbackMaker%2FCallbackMaker.c;h=a8cd18b96e976a08b7d8ed72f84b9a0d9dcbdbe2;hb=f4b802a47ef27c25a283a68932956fb7898771f1;hp=ec935160ae6400f0aa96f543bd023acc493a84b4;hpb=8f5e13c7f62526962c679d6979c13227d4974611;p=freeglut diff --git a/progs/demos/CallbackMaker/CallbackMaker.c b/progs/demos/CallbackMaker/CallbackMaker.c index ec93516..a8cd18b 100644 --- a/progs/demos/CallbackMaker/CallbackMaker.c +++ b/progs/demos/CallbackMaker/CallbackMaker.c @@ -8,34 +8,38 @@ #include #include #include +#include static int sequence_number = 0 ; -int windows[2] = {0}; +#define CALLBACKMAKER_N_WINDOWS 4 +int windows[CALLBACKMAKER_N_WINDOWS] = {0}; /* define status vars showing whether given callback has been called for given window */ -#define CALLBACK_CALLED_VAR(name) int name##_called[2] = {0}; -#define CALLBACK_0V(name) int name##_seq[2] = {-1}; CALLBACK_CALLED_VAR(name); -#define CALLBACK_1V(name,field) int name##_##field[2] = {-1}; CALLBACK_0V(name); -#define CALLBACK_2V(name,field1,field2) int name##_##field2[2] = {-1}; CALLBACK_1V(name,field1); -#define CALLBACK_3V(name,field1,field2,field3) int name##_##field3[2] = {-1}; CALLBACK_2V(name,field1,field2); -#define CALLBACK_4V(name,field1,field2,field3,field4) int name##_##field4[2] = {-1}; CALLBACK_3V(name,field1,field2,field3); +#define CALLBACK_CALLED_VAR(name) int name##_called[CALLBACKMAKER_N_WINDOWS] = {0} +#define CALLBACK_0V(name) int name##_seq[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_CALLED_VAR(name) +#define CALLBACK_1V(name,field) int name##_##field[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_0V(name) +#define CALLBACK_2V(name,field1,field2) int name##_##field2[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_1V(name,field1) +#define CALLBACK_3V(name,field1,field2,field3) int name##_##field3[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_2V(name,field1,field2) +#define CALLBACK_4V(name,field1,field2,field3,field4) int name##_##field4[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_3V(name,field1,field2,field3) +#define CALLBACK_5V(name,field1,field2,field3,field4,field5) int name##_##field5[CALLBACKMAKER_N_WINDOWS] = {-1}; CALLBACK_4V(name,field1,field2,field3,field4) CALLBACK_2V(reshape,width,height); CALLBACK_2V(position,top,left); -CALLBACK_3V(key,key,x,y); -CALLBACK_3V(keyup,key,x,y); -CALLBACK_3V(special,key,x,y); -CALLBACK_3V(specialup,key,x,y); CALLBACK_1V(visibility,vis); +CALLBACK_1V(windowStatus,state); +CALLBACK_4V(key,key,x,y,mod); +CALLBACK_4V(keyup,key,x,y,mod); +CALLBACK_4V(special,key,x,y,mod); +CALLBACK_4V(specialup,key,x,y,mod); CALLBACK_4V(joystick,a,b,c,d); -CALLBACK_4V(mouse,button,updown,x,y); -CALLBACK_4V(mousewheel,number,direction,x,y); -CALLBACK_2V(motion,x,y); -CALLBACK_2V(passivemotion,x,y); -CALLBACK_0V(entry); +CALLBACK_5V(mouse,button,updown,x,y,mod); +CALLBACK_5V(mousewheel,number,direction,x,y,mod); +CALLBACK_3V(motion,x,y,mod); +CALLBACK_3V(passivemotion,x,y,mod); +CALLBACK_1V(entry,state); CALLBACK_0V(close); /* menudestroy is registered on each menu, not a window */ -int menudestroy_called = 0 ; +int menudestroy_called = 0; /* menustatus and menustate are global callbacks, set for all menus at the same time */ int menustatus_called = 0; int menustate_called = 0; @@ -64,11 +68,37 @@ getWindowAndIdx(int *winIdx) int window = glutGetWindow(); if (winIdx) - (*winIdx) = window==windows[0]?0:1; + (*winIdx) = window==windows[0] ? 0 : + window==windows[1] ? 1 : + window==windows[2] ? 2 : 3; return window; } +static void +Mod2Text(int mods, char *text) +{ + if (mods&GLUT_ACTIVE_CTRL) + strcat(text,"CTRL"); + if (mods&GLUT_ACTIVE_SHIFT) + { + if (text[0]) + strcat(text,"+SHIFT"); + else + strcat(text,"SHIFT"); + } + if (mods&GLUT_ACTIVE_ALT) + { + if (text[0]) + strcat(text,"+ALT"); + else + strcat(text,"ALT"); + } + + if (!text[0]) + strcat(text,"none"); +} + static void Display(void) { @@ -88,6 +118,21 @@ Display(void) glColor3ub ( 0, 0, 0 ); glRasterPos2i ( 10, glutGet ( GLUT_WINDOW_HEIGHT ) - 20 ); /* 10pt margin above 10pt letters */ + if ( entry_called[winIdx] ) + { + bitmapPrintf ( "Entry %d: %d\n", entry_seq[winIdx], entry_state[winIdx] ); + } + + if ( visibility_called[winIdx] ) + { + bitmapPrintf ( "Visibility %d: %d\n", visibility_seq[winIdx], visibility_vis[winIdx] ); + } + + if ( windowStatus_called[winIdx] ) + { + bitmapPrintf ( "WindowStatus %d: %d\n", windowStatus_seq[winIdx], windowStatus_state[winIdx] ); + } + if ( reshape_called[winIdx] ) { bitmapPrintf ( "Reshape %d: %d %d\n", reshape_seq[winIdx], reshape_width[winIdx], reshape_height[winIdx] ); @@ -100,27 +145,30 @@ Display(void) if ( key_called[winIdx] ) { - bitmapPrintf ( "Key %d: %d(%c) %d %d\n", key_seq[winIdx], key_key[winIdx], key_key[winIdx], key_x[winIdx], key_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(key_mod[winIdx],mods); + bitmapPrintf ( "Key %d: %d(%c) %d %d (mod: %s)\n", key_seq[winIdx], key_key[winIdx], key_key[winIdx], key_x[winIdx], key_y[winIdx], mods ); } - if ( special_called[winIdx] ) - { - bitmapPrintf ( "Special %d: %d(%c) %d %d\n", special_seq[winIdx], special_key[winIdx], special_key[winIdx], special_x[winIdx], special_y[winIdx] ); - } - - if ( visibility_called[winIdx] ) + if ( keyup_called[winIdx] ) { - bitmapPrintf ( "Visibility %d: %d\n", visibility_seq[winIdx], visibility_vis[winIdx] ); + char mods[50] = {0}; + Mod2Text(keyup_mod[winIdx],mods); + bitmapPrintf ( "Key Up %d: %d(%c) %d %d (mod: %s)\n", keyup_seq[winIdx], keyup_key[winIdx], keyup_key[winIdx], keyup_x[winIdx], keyup_y[winIdx], mods ); } - if ( keyup_called[winIdx] ) + if ( special_called[winIdx] ) { - bitmapPrintf ( "Key Up %d: %d(%c) %d %d\n", keyup_seq[winIdx], keyup_key[winIdx], keyup_key[winIdx], keyup_x[winIdx], keyup_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(special_mod[winIdx],mods); + bitmapPrintf ( "Special %d: %d(%c) %d %d (mod: %s)\n", special_seq[winIdx], special_key[winIdx], special_key[winIdx], special_x[winIdx], special_y[winIdx], mods ); } if ( specialup_called[winIdx] ) { - bitmapPrintf ( "Special Up %d: %d(%c) %d %d\n", specialup_seq[winIdx], specialup_key[winIdx], specialup_key[winIdx], specialup_x[winIdx], specialup_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(specialup_mod[winIdx],mods); + bitmapPrintf ( "Special Up %d: %d(%c) %d %d (mod: %s)\n", specialup_seq[winIdx], specialup_key[winIdx], specialup_key[winIdx], specialup_x[winIdx], specialup_y[winIdx], mods ); } if ( joystick_called[winIdx] ) @@ -130,22 +178,30 @@ Display(void) if ( mouse_called[winIdx] ) { - bitmapPrintf ( "Mouse %d: %d %d %d %d\n", mouse_seq[winIdx], mouse_button[winIdx], mouse_updown[winIdx], mouse_x[winIdx], mouse_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(mouse_mod[winIdx],mods); + bitmapPrintf ( "Mouse %d: %d %d %d %d (mod: %s)\n", mouse_seq[winIdx], mouse_button[winIdx], mouse_updown[winIdx], mouse_x[winIdx], mouse_y[winIdx], mods ); } if ( mousewheel_called[winIdx] ) { - bitmapPrintf ( "Mouse Wheel %d: %d %d %d %d\n", mousewheel_seq[winIdx], mousewheel_number[winIdx], mousewheel_direction[winIdx], mousewheel_x[winIdx], mousewheel_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(mousewheel_mod[winIdx],mods); + bitmapPrintf ( "Mouse Wheel %d: %d %d %d %d (mod: %s)\n", mousewheel_seq[winIdx], mousewheel_number[winIdx], mousewheel_direction[winIdx], mousewheel_x[winIdx], mousewheel_y[winIdx], mods ); } if ( motion_called[winIdx] ) { - bitmapPrintf ( "Motion %d: %d %d\n", motion_seq[winIdx], motion_x[winIdx], motion_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(motion_mod[winIdx],mods); + bitmapPrintf ( "Motion %d: %d %d (mod: %s)\n", motion_seq[winIdx], motion_x[winIdx], motion_y[winIdx], mods ); } if ( passivemotion_called[winIdx] ) { - bitmapPrintf ( "Passive Motion %d: %d %d\n", passivemotion_seq[winIdx], passivemotion_x[winIdx], passivemotion_y[winIdx] ); + char mods[50] = {0}; + Mod2Text(passivemotion_mod[winIdx],mods); + bitmapPrintf ( "Passive Motion %d: %d %d (mod: %s)\n", passivemotion_seq[winIdx], passivemotion_x[winIdx], passivemotion_y[winIdx], mods ); } glMatrixMode ( GL_PROJECTION ); @@ -162,7 +218,7 @@ Display(void) static void Warning(const char *fmt, va_list ap) { - printf("%6d Warning callback:\n"); + printf("%6d Warning callback:\n",++sequence_number); /* print warning message */ vprintf(fmt, ap); @@ -172,10 +228,11 @@ static void Error(const char *fmt, va_list ap) { char dummy_string[STRING_LENGTH]; - printf("%6d Error callback:\n"); + printf("%6d Error callback:\n",++sequence_number); /* print warning message */ vprintf(fmt, ap); + printf("\n"); /* terminate program, after pause for input so user can see */ printf ( "Please enter something to exit: " ); @@ -207,7 +264,7 @@ Position(int left, int top) { int winIdx; int window = getWindowAndIdx(&winIdx); - printf ( "%6d Window %d Reshape Callback: %d %d\n", + printf ( "%6d Window %d Position Callback: %d %d\n", ++sequence_number, window, left, top ) ; position_called[winIdx] = 1 ; position_left[winIdx] = left ; @@ -228,49 +285,39 @@ Key(unsigned char key, int x, int y) key_x[winIdx] = x ; key_y[winIdx] = y ; key_seq[winIdx] = sequence_number ; + key_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } static void -Special(int key, int x, int y) +KeyUp(unsigned char key, int x, int y) { int winIdx; int window = getWindowAndIdx(&winIdx); - printf ( "%6d Window %d Special Key Callback: %d %d %d\n", + printf ( "%6d Window %d Key Release Callback: %d %d %d\n", ++sequence_number, window, key, x, y ) ; - special_called[winIdx] = 1 ; - special_key[winIdx] = key ; - special_x[winIdx] = x ; - special_y[winIdx] = y ; - special_seq[winIdx] = sequence_number ; - glutPostRedisplay () ; -} - -static void -Visibility(int vis) -{ - int winIdx; - int window = getWindowAndIdx(&winIdx); - printf ( "%6d Window %d Visibility Callback: %d\n", - ++sequence_number, window, vis ) ; - visibility_called[winIdx] = 1 ; - visibility_vis[winIdx] = vis ; - visibility_seq[winIdx] = sequence_number ; + keyup_called[winIdx] = 1 ; + keyup_key[winIdx] = key ; + keyup_x[winIdx] = x ; + keyup_y[winIdx] = y ; + keyup_seq[winIdx] = sequence_number ; + keyup_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } static void -KeyUp(unsigned char key, int x, int y) +Special(int key, int x, int y) { int winIdx; int window = getWindowAndIdx(&winIdx); - printf ( "%6d Window %d Key Release Callback: %d %d %d\n", + printf ( "%6d Window %d Special Key Callback: %d %d %d\n", ++sequence_number, window, key, x, y ) ; - keyup_called[winIdx] = 1 ; - keyup_key[winIdx] = key ; - keyup_x[winIdx] = x ; - keyup_y[winIdx] = y ; - keyup_seq[winIdx] = sequence_number ; + special_called[winIdx] = 1 ; + special_key[winIdx] = key ; + special_x[winIdx] = x ; + special_y[winIdx] = y ; + special_seq[winIdx] = sequence_number ; + special_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } @@ -286,6 +333,7 @@ SpecialUp(int key, int x, int y) specialup_x[winIdx] = x ; specialup_y[winIdx] = y ; specialup_seq[winIdx] = sequence_number ; + specialup_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } @@ -318,6 +366,7 @@ Mouse(int button, int updown, int x, int y) mouse_x[winIdx] = x ; mouse_y[winIdx] = y ; mouse_seq[winIdx] = sequence_number ; + mouse_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } @@ -334,6 +383,7 @@ MouseWheel(int wheel_number, int direction, int x, int y) mousewheel_x[winIdx] = x ; mousewheel_y[winIdx] = y ; mousewheel_seq[winIdx] = sequence_number ; + mousewheel_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } @@ -348,6 +398,7 @@ Motion(int x, int y) motion_x[winIdx] = x ; motion_y[winIdx] = y ; motion_seq[winIdx] = sequence_number ; + motion_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } @@ -362,15 +413,20 @@ PassiveMotion(int x, int y) passivemotion_x[winIdx] = x ; passivemotion_y[winIdx] = y ; passivemotion_seq[winIdx] = sequence_number ; + passivemotion_mod[winIdx] = glutGetModifiers() ; glutPostRedisplay () ; } static void Entry(int state) { - int window = getWindowAndIdx(NULL); + int winIdx; + int window = getWindowAndIdx(&winIdx); printf ( "%6d Window %d Entry Callback: %d\n", ++sequence_number, window, state ) ; + entry_called[winIdx] = 1 ; + entry_seq[winIdx] = sequence_number; + entry_state[winIdx] = state; glutPostRedisplay () ; } @@ -392,11 +448,28 @@ OverlayDisplay(void) } static void +Visibility(int vis) +{ + int winIdx; + int window = getWindowAndIdx(&winIdx); + printf ( "%6d Window %d Visibility Callback: %d\n", + ++sequence_number, window, vis ) ; + visibility_called[winIdx] = 1 ; + visibility_vis[winIdx] = vis ; + visibility_seq[winIdx] = sequence_number ; + glutPostRedisplay () ; +} + +static void WindowStatus(int state) { - int window = getWindowAndIdx(NULL); + int winIdx; + int window = getWindowAndIdx(&winIdx); printf ( "%6d Window %d WindowStatus Callback: %d\n", ++sequence_number, window, state ) ; + windowStatus_called[winIdx] = 1 ; + windowStatus_state[winIdx] = state ; + windowStatus_seq[winIdx] = sequence_number ; glutPostRedisplay () ; } @@ -511,6 +584,39 @@ static void Idle ( void ) ++sequence_number ; } +static void SetWindowCallbacks( int first ) +{ + /* All these callbacks are set for only the current window */ + glutDisplayFunc( Display ); + glutReshapeFunc( Reshape ); + glutPositionFunc( Position ); + glutKeyboardFunc( Key ); + glutSpecialFunc( Special ); + glutKeyboardUpFunc( KeyUp ); + glutSpecialUpFunc( SpecialUp ); + if (first) + glutJoystickFunc( Joystick, 100 ); + glutMouseFunc ( Mouse ) ; + glutMouseWheelFunc ( MouseWheel ) ; + glutMotionFunc ( Motion ) ; + glutPassiveMotionFunc ( PassiveMotion ) ; + glutEntryFunc ( Entry ) ; + glutCloseFunc ( Close ) ; + glutOverlayDisplayFunc ( OverlayDisplay ) ; + glutSpaceballMotionFunc ( SpaceMotion ) ; + glutSpaceballRotateFunc ( SpaceRotation ) ; + glutSpaceballButtonFunc ( SpaceButton ) ; + glutButtonBoxFunc ( ButtonBox ) ; + glutDialsFunc ( Dials ) ; + glutTabletMotionFunc ( TabletMotion ) ; + glutTabletButtonFunc ( TabletButton ) ; + /* glutVisibilityFunc is deprecated in favor of glutWindowStatusFunc, which provides more detail. + * Setting one of these overwrites the other (see docs). + */ + glutVisibilityFunc ( Visibility ); /* This will thus never be called, as glutWindowStatusFunc is set afterwards */ + glutWindowStatusFunc ( WindowStatus ) ; +} + int main(int argc, char *argv[]) { @@ -524,50 +630,41 @@ main(int argc, char *argv[]) glutInitWindowPosition ( 140, 140 ); glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE ); glutInit(&argc, argv); + /* global setting: mainloop does not return when a window is closed, only returns when all windows are closed */ glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_CONTINUE_EXECUTION); + /* global setting: repeated keys generating by keeping the key pressed down are passed on to the keyboard callback */ + /* There are two functions to control this behavior, glutSetKeyRepeat to set it globally, and glutIgnoreKeyRepeat to set it per window. + * These two interact however. If key repeat is globally switched off (glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF)), it cannot be overridden + * (switched back on) for a specific window with glutIgnoreKeyRepeat. However, if key repeat is globally switched on + * (glutSetKeyRepeat(GLUT_KEY_REPEAT_ON)), it can be overridden (switched off) with glutIgnoreKeyRepeat on a per-window basis. That is + * what we demonstrate here. + */ + glutSetKeyRepeat(GLUT_KEY_REPEAT_ON); /* Set other global callback (global as in not associated with any specific menu or window) */ glutIdleFunc ( Idle ); glutMenuStatusFunc ( MenuStatus ); glutMenuStateFunc ( MenuState ); /* Note that glutMenuStatusFunc is an enhanced version of the deprecated glutMenuStateFunc. */ + + /* Open first window */ windows[0] = glutCreateWindow( "Callback Demo" ); printf ( "Creating window %d as 'Callback Demo'\n", windows[0] ) ; glClearColor(1.0, 1.0, 1.0, 1.0); - /* callbacks and settings specific to this window */ - glutDisplayFunc( Display ); - glutReshapeFunc( Reshape ); - glutPositionFunc( Position ); - glutKeyboardFunc( Key ); - glutSpecialFunc( Special ); - glutVisibilityFunc( Visibility ); - glutKeyboardUpFunc( KeyUp ); - glutSpecialUpFunc( SpecialUp ); - glutJoystickFunc( Joystick, 100 ); - glutMouseFunc ( Mouse ) ; - glutMouseWheelFunc ( MouseWheel ) ; - glutMotionFunc ( Motion ) ; - glutPassiveMotionFunc ( PassiveMotion ) ; - glutEntryFunc ( Entry ) ; - glutCloseFunc ( Close ) ; - glutOverlayDisplayFunc ( OverlayDisplay ) ; - glutWindowStatusFunc ( WindowStatus ) ; - glutSpaceballMotionFunc ( SpaceMotion ) ; - glutSpaceballRotateFunc ( SpaceRotation ) ; - glutSpaceballButtonFunc ( SpaceButton ) ; - glutButtonBoxFunc ( ButtonBox ) ; - glutDialsFunc ( Dials ) ; - glutTabletMotionFunc ( TabletMotion ) ; - glutTabletButtonFunc ( TabletButton ) ; - glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF) ; + /* callbacks, settings and menus for this window */ + SetWindowCallbacks( 1 ); + glutIgnoreKeyRepeat(GL_TRUE); + glutSetIconTitle("Icon Test - Callback Demo"); subMenuA = glutCreateMenu( MenuCallback ); glutAddMenuEntry( "Sub menu A1 (01)", 11 ); glutAddMenuEntry( "Sub menu A2 (02)", 12 ); glutAddMenuEntry( "Sub menu A3 (03)", 13 ); glutMenuDestroyFunc ( MenuDestroy ); /* callback specific to this menu */ + /* Change font for this menu */ + glutSetMenuFont(subMenuA, GLUT_BITMAP_HELVETICA_12); subMenuB = glutCreateMenu( MenuCallback ); glutAddMenuEntry( "Sub menu B1 (04)", 14 ); @@ -575,6 +672,7 @@ main(int argc, char *argv[]) glutAddMenuEntry( "Sub menu B3 (06)", 16 ); glutAddSubMenu( "Going to sub menu A", subMenuA ); glutMenuDestroyFunc ( MenuDestroy ); /* callback specific to this menu */ + glutSetMenuFont(subMenuB, GLUT_BITMAP_9_BY_15); menuID = glutCreateMenu( MenuCallback ); glutAddMenuEntry( "Entry one", 21 ); @@ -588,44 +686,49 @@ main(int argc, char *argv[]) glutAttachMenu( GLUT_LEFT_BUTTON ); - glutInitWindowPosition ( 140+500+2*glutGet(GLUT_WINDOW_BORDER_WIDTH), 140 ); + /* Position second window right next to the first */ + glutInitWindowPosition ( 140+500+2*glutGet(GLUT_WINDOW_BORDER_WIDTH), 140 ); + glutInitWindowSize(600, 600); windows[1] = glutCreateWindow( "Second Window" ); printf ( "Creating window %d as 'Second Window'\n", windows[1] ) ; glClearColor(1.0, 1.0, 1.0, 1.0); - /* callbacks and settings specific to this window */ - glutDisplayFunc( Display ); - glutReshapeFunc( Reshape ); - glutPositionFunc( Position ); - glutKeyboardFunc( Key ); - glutSpecialFunc( Special ); - glutVisibilityFunc( Visibility ); - glutKeyboardUpFunc( KeyUp ); - glutSpecialUpFunc( SpecialUp ); - /* glutJoystickFunc( Joystick, 100 ); */ - glutMouseFunc ( Mouse ) ; - glutMouseWheelFunc ( MouseWheel ) ; - glutMotionFunc ( Motion ) ; - glutPassiveMotionFunc ( PassiveMotion ) ; - glutEntryFunc ( Entry ) ; - glutCloseFunc ( Close ) ; - glutOverlayDisplayFunc ( OverlayDisplay ) ; - glutWindowStatusFunc ( WindowStatus ) ; - glutSpaceballMotionFunc ( SpaceMotion ) ; - glutSpaceballRotateFunc ( SpaceRotation ) ; - glutSpaceballButtonFunc ( SpaceButton ) ; - glutButtonBoxFunc ( ButtonBox ) ; - glutDialsFunc ( Dials ) ; - glutTabletMotionFunc ( TabletMotion ) ; - glutTabletButtonFunc ( TabletButton ) ; - glutSetKeyRepeat(GLUT_KEY_REPEAT_OFF) ; + /* callbacks, settings and menus for this window */ + SetWindowCallbacks( 0 ); + glutIgnoreKeyRepeat(GL_TRUE); glutSetMenu(subMenuB); glutAttachMenu( GLUT_RIGHT_BUTTON ); + /* position a third window as a subwindow of the second */ + windows[2] = glutCreateSubWindow(windows[1],0,300,600,300); + printf ( "Creating window %d as subwindow to 'Second Window'\n", windows[2] ) ; + + glClearColor(0.7f, 0.7f, 0.7f, 1.0); + + /* callbacks, settings and menus for this window */ + SetWindowCallbacks( 0 ); + glutSetCursor(GLUT_CURSOR_CROSSHAIR); /* Cursors are per window */ + + glutSetMenu(subMenuA); + glutAttachMenu( GLUT_RIGHT_BUTTON ); + + + /* position a fourth window as a subsubwindow (grandchild) of the second */ + windows[3] = glutCreateSubWindow(windows[2],300,0,300,300); + printf ( "Creating window %d as subsubwindow to 'Second Window'\n", windows[3] ) ; + + glClearColor(0.4f, 0.4f, 0.4f, 1.0); + + /* callbacks and menus for this window */ + SetWindowCallbacks( 0 ); + glutSetCursor(GLUT_CURSOR_INHERIT); /* Inherit cursor look from parent (this is default on window creation) - comment the below to see in action */ + glutSetCursor(GLUT_CURSOR_CYCLE); + + printf ( "Please enter something to continue: " ); fgets ( dummy_string, STRING_LENGTH, stdin );