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resizer demo now uses timer to display window information

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1479 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2012-11-23 08:03:20 +00:00
parent 6badc4e20a
commit 9db85cd9b3
1 changed files with 43 additions and 37 deletions
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80
freeglut/freeglut/progs/demos/Resizer/Resizer.cpp
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@ -50,7 +50,7 @@ void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
case 'r': case 'r':
case 'R': case 'R':
if (nChildWindow!=-1) if (nChildWindow!=-1 && cChar=='r') /* Capital R always resizes the main window*/
{ {
glutSetWindow(nChildWindow); glutSetWindow(nChildWindow);
printf("child window resize\n"); printf("child window resize\n");
@ -62,6 +62,7 @@ void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
} }
else else
{ {
glutSetWindow(nWindow);
printf("main window resize\n"); printf("main window resize\n");
if (nWidth<400) if (nWidth<400)
glutReshapeWindow(600,300); glutReshapeWindow(600,300);
@ -74,10 +75,9 @@ void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
case 'm': case 'm':
case 'M': case 'M':
if (nChildWindow!=-1) if (nChildWindow!=-1 && cChar=='m') /* Capital M always moves the main window*/
{ {
glutSetWindow(nChildWindow); glutSetWindow(nChildWindow);
/* The window position you request is relative to the top-left /* The window position you request is relative to the top-left
* corner of the client area of the parent window. * corner of the client area of the parent window.
*/ */
@ -89,8 +89,8 @@ void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
} }
else else
{ {
glutSetWindow(nWindow);
printf("main window position\n"); printf("main window position\n");
/* The window position you request is the outer top-left of the window, /* The window position you request is the outer top-left of the window,
* the client area is at a different position if the window has borders * the client area is at a different position if the window has borders
* and/or a title bar. * and/or a title bar.
@ -174,39 +174,6 @@ void Redisplay(void)
{ {
int win = glutGetWindow(); int win = glutGetWindow();
if (nLoopMain++%20==0)
{
int border, caption;
nPosX = glutGet(GLUT_WINDOW_X);
nPosY = glutGet(GLUT_WINDOW_Y);
nWidth = glutGet(GLUT_WINDOW_WIDTH);
nHeight = glutGet(GLUT_WINDOW_HEIGHT);
border = glutGet(GLUT_WINDOW_BORDER_WIDTH);
caption = glutGet(GLUT_WINDOW_HEADER_HEIGHT);
/* returned position is top-left of client area, to get top-left of
* of window you'll need to add the size of the border and caption
* of the current window (can be 0).
* Note that the window position is not necessarily positive (e.g.
* when the window is on a monitor to the left of the primary monitor
* or simply when maximized--try pressing the maximize button).
* the returned size is the size of the client area
* Note that the top-left of a child window is relative to the
* top-left of the client area of the parent.
*/
/* printf("window border: %dpx, caption: %dpx\n",border,caption); */
if (win==nWindow)
printf("main window %dx%d, top-left of client at: (%d,%d), of window at: (%d,%d)\n",
nWidth, nHeight,
nPosX ,nPosY,
nPosX-border,
nPosY-border-caption);
else
printf("child window %dx%d, top-left of client at: (%d,%d), relative to parent\n",
nWidth, nHeight,
nPosX ,nPosY);
}
if (win==nWindow) if (win==nWindow)
{ {
glClearColor(.2f,0.f,0.f,0.f); glClearColor(.2f,0.f,0.f,0.f);
@ -226,6 +193,43 @@ void Redisplay(void)
glutPostWindowRedisplay(win); glutPostWindowRedisplay(win);
} }
void Timer(int unused)
{
int win = glutGetWindow();
int border, caption;
nPosX = glutGet(GLUT_WINDOW_X);
nPosY = glutGet(GLUT_WINDOW_Y);
nWidth = glutGet(GLUT_WINDOW_WIDTH);
nHeight = glutGet(GLUT_WINDOW_HEIGHT);
border = glutGet(GLUT_WINDOW_BORDER_WIDTH);
caption = glutGet(GLUT_WINDOW_HEADER_HEIGHT);
/* returned position is top-left of client area, to get top-left of
* of window you'll need to add the size of the border and caption
* of the current window (can be 0).
* Note that the window position is not necessarily positive (e.g.
* when the window is on a monitor to the left of the primary monitor
* or simply when maximized--try pressing the maximize button).
* the returned size is the size of the client area
* Note that the top-left of a child window is relative to the
* top-left of the client area of the parent.
*/
/* printf("window border: %dpx, caption: %dpx\n",border,caption); */
if (win==nWindow)
printf("main window %dx%d, top-left of client at: (%d,%d), of window at: (%d,%d)\n",
nWidth, nHeight,
nPosX ,nPosY,
nPosX-border,
nPosY-border-caption);
else
printf("child window %dx%d, top-left of client at: (%d,%d), relative to parent\n",
nWidth, nHeight,
nPosX ,nPosY);
/* (re)set the timer callback and ask glut to call it in 1 second */
glutTimerFunc(300, Timer, 0);
}
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
@ -254,6 +258,8 @@ int main(int argc, char* argv[])
glutReshapeFunc( Reshape ); glutReshapeFunc( Reshape );
glutPositionFunc( Position ); glutPositionFunc( Position );
glutTimerFunc(300, Timer, 0);
glutMainLoop(); glutMainLoop();
printf("glutMainLoop returned\n"); printf("glutMainLoop returned\n");