glutSpecialUpFunc(3GLUT) GLUT glutSpecialUpFunc(3GLUT) NAME glutSpecialUpFunc - sets the special keyboard up (key release) callback for the current window. SYNTAX void glutSpecialUpFunc(void (*func)(int key, int x, int y)); ARGUMENTS func The new special callback function. DESCRIPTION glutSpecialUpFunc sets the special keyboard up (key release) callback for the current window. The special keyboard up callback is triggered when key- board function or directional keys are released. The key callback parameter is a GLUT_KEY_* constant for the special key pressed. The x and y callback parameters indicate the mouse in window relative coordinates when the key was pressed. When a new window is created, no special up callback is ini- tially registered and special key releases in the window are ignored. Passing NULL to glutSpecialUpFunc disables the generation of special up callbacks. During a special up callback, glutGetModifiers may be called to determine the state of modifier keys when the key release generating the callback oc- curred. To avoid the reporting of key release/press pairs due to auto repeat, use glutIgnoreKeyRepeat to ignore auto repeated keystrokes. An implementation should do its best to provide ways to generate all the GLUT_KEY_* special keys. The available GLUT_KEY_* values are: GLUT_KEY_F1 F1 function key. GLUT_KEY_F2 F2 function key. GLUT_KEY_F3 F3 function key. GLUT_KEY_F4 F4 function key. GLUT_KEY_F5 F5 function key. GLUT_KEY_F6 F6 function key. GLUT_KEY_F7 F7 function key. GLUT_KEY_F8 F8 function key. GLUT_KEY_F9 F9 function key. GLUT_KEY_F10 F10 function key. GLUT_KEY_F11 F11 function key. GLUT_KEY_F12 F12 function key. GLUT_KEY_LEFT Left directional key. GLUT_KEY_UP Up directional key. GLUT_KEY_RIGHT Right directional key. GLUT_KEY_DOWN Down directional key. GLUT_KEY_PAGE_UP Page up directional key. GLUT_KEY_PAGE_DOWN Page down directional key. GLUT_KEY_HOME Home directional key. GLUT_KEY_END End directional key. GLUT_KEY_INSERT Inset directional key. Note that the escape, backspace, and delete keys are generated as an ASCII character. SEE ALSO glutSpecialFunc, glutKeyboardFunc, glutKeyboardUpFunc, glutMouseFunc, glut- SpaceballButtonFunc, glutButtonBoxFunc, glutTabletButtonFunc, glutGetModi- fiers, glutIgnoreKeyRepeat AUTHOR Mark J. Kilgard (mjk@nvidia.com) GLUT 3.7 glutSpecialUpFunc(3GLUT)
NAME | SYNTAX | ARGUMENTS | DESCRIPTION | SEE ALSO | AUTHOR
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