X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=progs%2Fdemos%2FOne%2Fone.c;h=24ce7a7f5c57e15ee89ad255cfbb215a96df8c54;hb=06dca43af755a1956d31b105e1973714c46eda78;hp=330921e17522374941fab1494ce776dd88017ffe;hpb=1b70bc46879fc5d61f992dcf68e14c44083934da;p=freeglut diff --git a/progs/demos/One/one.c b/progs/demos/One/one.c index 330921e..24ce7a7 100644 --- a/progs/demos/One/one.c +++ b/progs/demos/One/one.c @@ -12,10 +12,6 @@ * Creation date: czw gru 2 11:58:41 CET 1999 */ -#ifdef HAVE_CONFIG_H -#include -#endif - #include #include @@ -23,7 +19,7 @@ int g_LeaveGameMode = 0; int g_InGameMode = 0; -int g_mainwin, g_sw1; +int g_mainwin1, g_mainwin2, g_sw1, g_sw2, g_gamemodewin; /* * Call this function to have some text drawn at given coordinates @@ -94,12 +90,18 @@ void PrintText( int nX, int nY, char* pszText ) /* * This is the display routine for our sample FreeGLUT windows */ -static float g_fTime = 0.0f; - void SampleDisplay( void ) { int win = glutGetWindow(); + if (g_InGameMode && win!=g_gamemodewin) + /* Don't draw other windows when in gamemode, those aren't visible + * anyway. Drawing them continuously nonetheless can cause flicker trouble + * on my machine. This only seems to occur only when there are child windows + * among the non-visible windows + */ + return; + if (win==g_sw1) { /* @@ -107,10 +109,21 @@ void SampleDisplay( void ) */ glClearColor(0.7f,0.7f,0.7f,1); glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); - glutPostWindowRedisplay(g_mainwin); + glutPostWindowRedisplay(g_mainwin2); + } + else if (win==g_sw2) + { + /* + * Clear the screen + */ + glClearColor(0.3f,0.3f,0.3f,1); + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + glutPostWindowRedisplay(g_mainwin2); } else { + const GLfloat time = glutGet(GLUT_ELAPSED_TIME) / 1000.f * 40; + /* * Clear the screen */ @@ -123,9 +136,9 @@ void SampleDisplay( void ) glMatrixMode( GL_MODELVIEW ); glPushMatrix(); - glRotatef( g_fTime, 0, 0, 1 ); - glRotatef( g_fTime, 0, 1, 0 ); - glRotatef( g_fTime, 1, 0, 0 ); + glRotatef( time, 0, 0, 1 ); + glRotatef( time, 0, 1, 0 ); + glRotatef( time, 1, 0, 0 ); /* * And then drawn... @@ -133,7 +146,7 @@ void SampleDisplay( void ) glColor3f( 1, 1, 0 ); /* glutWireCube( 20.0 ); */ glutWireTeapot( 20.0 ); - /* glutWireSpher( 15.0, 15, 15 ); */ + /* glutWireSphere( 15.0, 15, 15 ); */ /* glColor3f( 0, 1, 0 ); */ /* glutWireCube( 30.0 ); */ /* glutSolidCone( 10, 20, 10, 2 ); */ @@ -164,13 +177,17 @@ void SampleDisplay( void ) */ void SampleIdle( void ) { - g_fTime += 0.5f; - if( g_LeaveGameMode == 1 ) { + /* One could do all this just as well in SampleGameModeKeyboard... */ + printf("leaving gamemode...\n"); glutLeaveGameMode( ); g_LeaveGameMode = 0; g_InGameMode = 0; + glutPostWindowRedisplay(g_mainwin1); + glutPostWindowRedisplay(g_mainwin2); + glutPostWindowRedisplay(g_sw1); + glutPostWindowRedisplay(g_sw2); } } @@ -178,7 +195,6 @@ void SampleEntry(int state) { int window = glutGetWindow () ; printf ( "Window %d Entry Callback: %d\n", window, state ) ; - glutPostRedisplay () ; } /* @@ -262,13 +278,18 @@ void SampleSpecial( int nSpecial, int nMouseX, int nMouseY ) */ void SampleMenu( int menuID ) { - /* - * Just print something funny - */ printf( "SampleMenu() callback executed, menuID is %i\n", menuID ); } /* + * A sample menu status callback + */ +void SampleMenuStatus( int status, int x, int y ) +{ + printf ( "SampleMenu() callback executed, MenuStatus is %i at (%i,%i)\n", status, x, y ); +} + +/* * The sample's entry point */ int main( int argc, char** argv ) @@ -282,6 +303,8 @@ int main( int argc, char** argv ) glutInit( &argc, argv ); glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS); + glutMenuStatusFunc( SampleMenuStatus ); + glutIdleFunc( SampleIdle ); subMenuA = glutCreateMenu( SampleMenu ); glutAddMenuEntry( "Sub menu A1 (01)", 1 ); @@ -303,30 +326,34 @@ int main( int argc, char** argv ) glutAddSubMenu( "Enter sub menu A", subMenuA ); glutAddSubMenu( "Enter sub menu B", subMenuB ); - glutCreateWindow( "Hello world!" ); + g_mainwin1 = glutCreateWindow( "Hello world!" ); glutDisplayFunc( SampleDisplay ); glutReshapeFunc( SampleReshape ); glutKeyboardFunc( SampleKeyboard ); glutSpecialFunc( SampleSpecial ); - glutIdleFunc( SampleIdle ); glutEntryFunc( SampleEntry ); glutAttachMenu( GLUT_LEFT_BUTTON ); glutInitWindowPosition( 200, 200 ); - g_mainwin = glutCreateWindow( "I am not Jan B." ); + g_mainwin2 = glutCreateWindow( "I am not Jan B." ); glutDisplayFunc( SampleDisplay ); glutReshapeFunc( SampleReshape ); glutKeyboardFunc( SampleKeyboard ); glutSpecialFunc( SampleSpecial ); - glutIdleFunc( SampleIdle ); + glutEntryFunc( SampleEntry ); glutAttachMenu( GLUT_LEFT_BUTTON ); glutSetMenu(subMenuA); - glutAttachMenu( GLUT_RIGHT_BUTTON); + glutAttachMenu( GLUT_RIGHT_BUTTON ); - g_sw1=glutCreateSubWindow(g_mainwin,200,0,100,100); + g_sw1=glutCreateSubWindow(g_mainwin2,200,0,100,100); glutDisplayFunc( SampleDisplay ); glutSetMenu(subMenuB); - glutAttachMenu( GLUT_LEFT_BUTTON); + glutAttachMenu( GLUT_LEFT_BUTTON ); + + g_sw2=glutCreateSubWindow(g_sw1,50,0,50,50); + glutDisplayFunc( SampleDisplay ); + glutSetMenu(menuID); + glutAttachMenu( GLUT_RIGHT_BUTTON ); printf( "Testing game mode string parsing, don't panic!\n" ); glutGameModeString( "320x240:32@100" ); @@ -339,14 +366,16 @@ int main( int argc, char** argv ) glutEnterGameMode(); glutGameModeString( "800x600" ); /* this one is likely to succeed */ - glutEnterGameMode(); + g_gamemodewin = glutEnterGameMode(); if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) g_InGameMode = 1; glutDisplayFunc( SampleDisplay ); glutReshapeFunc( SampleReshape ); glutKeyboardFunc( SampleGameModeKeyboard ); - glutIdleFunc( SampleIdle ); + glutEntryFunc( SampleEntry ); + glutSetMenu(menuID); + glutAttachMenu( GLUT_LEFT_BUTTON ); printf( "current window is %ix%i at (%i,%i)\n", glutGet( GLUT_WINDOW_WIDTH ), glutGet( GLUT_WINDOW_HEIGHT ), @@ -354,16 +383,23 @@ int main( int argc, char** argv ) ); /* + * Describe pixel format + */ + printf("The current window has %i red bits, %i green bits, %i blue bits and %i alpha bits for a total buffer size of %i bits\n",glutGet(GLUT_WINDOW_RED_SIZE),glutGet(GLUT_WINDOW_GREEN_SIZE),glutGet(GLUT_WINDOW_BLUE_SIZE),glutGet(GLUT_WINDOW_ALPHA_SIZE),glutGet(GLUT_WINDOW_BUFFER_SIZE)); + printf("It furthermore has %i depth bits and %i stencil bits\n",glutGet(GLUT_WINDOW_DEPTH_SIZE),glutGet(GLUT_WINDOW_STENCIL_SIZE)); + + /* * Enter the main FreeGLUT processing loop */ glutMainLoop(); - printf( "glutMainLoop() termination works fine!\n" ); - /* - * This is never reached in FreeGLUT. Is that good? + * returned from mainloop after window closed + * see glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS); above */ + printf( "glutMainLoop() termination works fine!\n" ); + return EXIT_SUCCESS; } -/*** END OF FILE ***/ \ No newline at end of file +/*** END OF FILE ***/