\r
case 'r':\r
case 'R':\r
- if (nChildWindow!=-1)\r
+ if (nChildWindow!=-1 && cChar=='r') /* Capital R always resizes the main window*/\r
{\r
glutSetWindow(nChildWindow);\r
printf("child window resize\n");\r
}\r
else\r
{\r
+ glutSetWindow(nWindow);\r
printf("main window resize\n");\r
if (nWidth<400)\r
glutReshapeWindow(600,300);\r
\r
case 'm':\r
case 'M':\r
- if (nChildWindow!=-1)\r
+ if (nChildWindow!=-1 && cChar=='m') /* Capital M always moves the main window*/\r
{\r
glutSetWindow(nChildWindow);\r
-\r
/* The window position you request is relative to the top-left\r
* corner of the client area of the parent window.\r
*/\r
}\r
else\r
{\r
+ glutSetWindow(nWindow);\r
printf("main window position\n");\r
-\r
/* The window position you request is the outer top-left of the window,\r
* the client area is at a different position if the window has borders\r
* and/or a title bar.\r
glutPostRedisplay();\r
}\r
\r
-void Reshape(int x, int y)\r
+void Reshape(int width, int height)\r
{\r
int win = glutGetWindow();\r
\r
- nWidth = glutGet(GLUT_WINDOW_WIDTH);\r
- nHeight = glutGet(GLUT_WINDOW_HEIGHT);\r
printf("reshape %s, %dx%d\n",win==nWindow?"main":"child",\r
- nWidth, nHeight);\r
+ width, height);\r
\r
- glViewport(0,0,nWidth,nHeight);\r
+ glViewport(0,0,width,height);\r
glMatrixMode(GL_PROJECTION);\r
glLoadIdentity();\r
- gluOrtho2D(0,nWidth,0,nHeight);\r
+ gluOrtho2D(0,width,0,height);\r
\r
if (win==nWindow && nChildWindow!=-1)\r
{\r
glutSetWindow(nChildWindow);\r
- glutPositionWindow((int)(nWidth*.35),(int)(nHeight*.35));\r
- glutReshapeWindow((int)(nWidth*.3),(int)(nHeight*.3));\r
+ glutPositionWindow((int)(width*.35),(int)(height*.35));\r
+ glutReshapeWindow((int)(width*.3),(int)(height*.3));\r
glutSetWindow(nWindow);\r
}\r
}\r
\r
-void Redisplay(void)\r
+void Position(int x, int y)\r
{\r
int win = glutGetWindow();\r
\r
- if (nLoopMain++%20==0)\r
- {\r
- int border, caption;\r
-\r
- nPosX = glutGet(GLUT_WINDOW_X);\r
- nPosY = glutGet(GLUT_WINDOW_Y);\r
- nWidth = glutGet(GLUT_WINDOW_WIDTH);\r
- nHeight = glutGet(GLUT_WINDOW_HEIGHT);\r
- border = glutGet(GLUT_WINDOW_BORDER_WIDTH);\r
- caption = glutGet(GLUT_WINDOW_HEADER_HEIGHT);\r
- /* returned position is top-left of client area, to get top-left of\r
- * of window you'll need to add the size of the border and caption\r
- * of the current window (can be 0).\r
- * Note that the window position is not necessarily positive (e.g.\r
- * when the window is on a monitor to the left of the primary monitor\r
- * or simply when maximized--try pressing the maximize button).\r
- * the returned size is the size of the client area\r
- */\r
- if (win==nWindow)\r
- printf("main window %dx%d, top-left of client at: (%d,%d), of window at: (%d,%d)\n",\r
- nWidth, nHeight,\r
- nPosX ,nPosY,\r
- nPosX-border,\r
- nPosY-border-caption);\r
- else\r
- printf("child window %dx%d, top-left of client at: (%d,%d), relative to parent\n",\r
- nWidth, nHeight,\r
- nPosX ,nPosY);\r
- }\r
+ printf("position %s, %dx%d\n",win==nWindow?"main":"child",\r
+ x, y);\r
+}\r
+\r
+void Redisplay(void)\r
+{\r
+ int win = glutGetWindow();\r
\r
if (win==nWindow)\r
{\r
glutPostWindowRedisplay(win);\r
}\r
\r
+void Timer(int unused)
+{
+ int win = glutGetWindow();
+ int border, caption;\r
+\r
+ nPosX = glutGet(GLUT_WINDOW_X);\r
+ nPosY = glutGet(GLUT_WINDOW_Y);\r
+ nWidth = glutGet(GLUT_WINDOW_WIDTH);\r
+ nHeight = glutGet(GLUT_WINDOW_HEIGHT);\r
+ border = glutGet(GLUT_WINDOW_BORDER_WIDTH);\r
+ caption = glutGet(GLUT_WINDOW_HEADER_HEIGHT);\r
+ /* returned position is top-left of client area, to get top-left of\r
+ * of window you'll need to add the size of the border and caption\r
+ * of the current window (can be 0).\r
+ * Note that the window position is not necessarily positive (e.g.\r
+ * when the window is on a monitor to the left of the primary monitor\r
+ * or simply when maximized--try pressing the maximize button).\r
+ * the returned size is the size of the client area\r
+ * Note that the top-left of a child window is relative to the\r
+ * top-left of the client area of the parent.\r
+ */\r
+ /* printf("window border: %dpx, caption: %dpx\n",border,caption); */\r
+ if (win==nWindow)\r
+ printf("main window %dx%d, top-left of client at: (%d,%d), of window at: (%d,%d)\n",\r
+ nWidth, nHeight,\r
+ nPosX ,nPosY,\r
+ nPosX-border,\r
+ nPosY-border-caption);\r
+ else\r
+ printf("child window %dx%d, top-left of client at: (%d,%d), relative to parent\n",\r
+ nWidth, nHeight,\r
+ nPosX ,nPosY);
+
+ /* (re)set the timer callback and ask glut to call it in 1 second */
+ glutTimerFunc(300, Timer, 0);
+}\r
+\r
\r
int main(int argc, char* argv[])\r
{\r
+ int border, caption;\r
glutInit( &argc, argv );\r
glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE /*| GLUT_BORDERLESS*/); // do try as well with GLUT_BORDERLESS and GLUT_CAPTIONLESS\r
glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS);\r
-\r
- /* The window position you request is the outer top-left of the window,\r
- * the client area is at a different position if the window has borders\r
- * and/or a title bar.\r
+ \r
+ /* Get border and caption size of default window style */\r
+ border = glutGet(GLUT_WINDOW_BORDER_WIDTH);\r
+ caption = glutGet(GLUT_WINDOW_HEADER_HEIGHT);\r
+ printf("default window style border: %dpx, caption: %dpx\n",border,caption);\r
+\r
+ /* NB: The window position you request is the outer top-left of the\r
+ * window, the client area is at a different position if the window has\r
+ * borders and/or a title bar.\r
*/\r
glutInitWindowPosition(150,250);\r
glutInitWindowSize(200,200);\r
glutKeyboardFunc( SampleKeyboard );\r
glutDisplayFunc( Redisplay );\r
glutReshapeFunc( Reshape );\r
+ glutPositionFunc( Position );\r
+\r
+ glutTimerFunc(300, Timer, 0);\r
\r
glutMainLoop();\r
printf("glutMainLoop returned\n");\r
projects / freeglut / blobdiff