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glutgetmodifiers(3glut) [osx man page]

glutGetModifiers(3GLUT) 					       GLUT						   glutGetModifiers(3GLUT)

NAME
glutGetModifiers - returns the modifier key state when certain callbacks were generated. SYNTAX
#include <GLUT/glut.h> int glutGetModifiers(void); DESCRIPTION
glutGetModifiers returns the modifier key state at the time the input event for a keyboard, special, or mouse callback is generated. This routine may only be called while a keyboard, special, or mouse callback is being handled. The window system is permitted to intercept win- dow system defined modifier key strokes or mouse buttons, in which case, no GLUT callback will be generated. This interception will be independent of use of glutGetModifiers. The bitmask components of the returned integer value are: GLUT_ACTIVE_SHIFT Set if the Shift modifier or Caps Lock is active. GLUT_ACTIVE_CTRL Set if the Ctrl modifier is active. GLUT_ACTIVE_ALT Set if the Alt modifier is active. SEE ALSO
glutSpecialFunc, glutKeyboardFunc, glutMouseFunc AUTHOR
Mark J. Kilgard (mjk@nvidia.com) GLUT
3.7 glutGetModifiers(3GLUT)

Check Out this Related Man Page

glutMouseFunc(3GLUT)						       GLUT						      glutMouseFunc(3GLUT)

NAME
glutMouseFunc - sets the mouse callback for the current window. SYNTAX
#include <GLUT/glut.h> void glutMouseFunc(void (*func)(int button, int state, int x, int y)); ARGUMENTS
func The new mouse callback function. DESCRIPTION
glutMouseFunc sets the mouse callback for the current window. When a user presses and releases mouse buttons in the window, each press and each release generates a mouse callback. The button parameter is one of GLUT_LEFT_BUTTON, GLUT_MIDDLE_BUTTON, or GLUT_RIGHT_BUTTON. For systems with only two mouse buttons, it may not be possible to generate GLUT_MIDDLE_BUTTON callback. For systems with a single mouse but- ton, it may be possible to generate only a GLUT_LEFT_BUTTON callback. The state parameter is either GLUT_UP or GLUT_DOWN indicating whether the callback was due to a release or press respectively. The x and y callback parameters indicate the window relative coordinates when the mouse button state changed. If a GLUT_DOWN callback for a specific button is triggered, the program can assume a GLUT_UP callback for the same button will be generated (assuming the window still has a mouse callback registered) when the mouse button is released even if the mouse has moved outside the window. If a menu is attached to a button for a window, mouse callbacks will not be generated for that button. During a mouse callback, glutGetModifiers may be called to determine the state of modifier keys when the mouse event generating the call- back occurred. Passing NULL to glutMouseFunc disables the generation of mouse callbacks. SEE ALSO
glutKeyboardFunc, glutMotionFunc, glutSpaceballButtonFunc, glutButtonBoxFunc, glutTabletButtonFunc, glutGetModifiers AUTHOR
Mark J. Kilgard (mjk@nvidia.com) GLUT
3.7 glutMouseFunc(3GLUT)
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