glutSetWindow(3GLUT) GLUT glutSetWindow(3GLUT)NAME
glutSetWindow - sets the current window; glutGetWindow - returns the identifier of the current window.
SYNTAX
#include <GLUT/glut.h>
void glutSetWindow(int win);
int glutGetWindow(void);
ARGUMENTS
win Identifier of GLUT window to make the current window.
DESCRIPTION
glutSetWindow sets the current window; glutGetWindow returns the identifier of the current window. If no windows exist or the previously
current window was destroyed, glutGetWindow returns zero. glutSetWindow does not change the layer in use for the window; this is done
using glutUseLayer.
SEE ALSO
glutCreateWindow, glutSetMenu
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT 3.7 glutSetWindow(3GLUT)
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glutPostRedisplay(3GLUT) GLUT glutPostRedisplay(3GLUT)NAME
glutPostRedisplay, glutPostWindowRedisplay - marks the current or specified window as needing to be redisplayed.
SYNTAX
#include <GLUT/glut.h>
void glutPostRedisplay(void);
void glutPostWindowRedisplay(int win);
DESCRIPTION
glutPostRedisplay marks the normal plane of current window as needing to be redisplayed. glutPostWindowRedisplay works the specified win-
dow as needing to be redisplayed. After either call, the next iteration through glutMainLoop, the window's display callback will be called
to redisplay the window's normal plane. Multiple calls to glutPostRedisplay before the next display callback opportunity generates only a
single redisplay callback. glutPostRedisplay may be called within a window's display or overlay display callback to re-mark that window
for redisplay.
Logically, normal plane damage notification for a window is treated as a glutPostRedisplay on the damaged window. Unlike damage reported by
the window system, glutPostRedisplay will not set to true the normal plane's damaged status (returned by glutLayerGet(GLUT_NORMAL_DAMAGED).
If the window you want to post a redisplay on is not already current (and you do not require it to be immediately made current), using
glutPostWindowRedisplay is more efficient that calling glutSetWindow to the desired window and then calling glutPostRedisplay.
SEE ALSO
glutPostOverlayRedisplay, glutDisplayFunc
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT 3.7 glutPostRedisplay(3GLUT)