From: Diederick Niehorster Date: Mon, 23 Jul 2012 13:52:55 +0000 (+0000) Subject: glutGet(GLUT_WINDOW_X) and glutGet(GLUT_WINDOW_Y) on a child window now X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=commitdiff_plain;h=89dd359a930dae8ea53261279c57aae9387642ef;p=freeglut glutGet(GLUT_WINDOW_X) and glutGet(GLUT_WINDOW_Y) on a child window now return top-left of child w.r.t. parent's client area resizer demo now also has child window button 'c'. doesn't work with fullscreen for some reason.... git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1367 7f0cb862-5218-0410-a997-914c9d46530a --- diff --git a/progs/demos/Resizer/Resizer.cpp b/progs/demos/Resizer/Resizer.cpp index 8252d7d..76d55f7 100644 --- a/progs/demos/Resizer/Resizer.cpp +++ b/progs/demos/Resizer/Resizer.cpp @@ -2,21 +2,26 @@ #include -int nWindow; +int nWindow, nChildWindow = -1; int nLoopMain = 0; int nPosX, nPosY; int nWidth, nHeight; +GLboolean bChildPosDone = GL_FALSE, bChildSizeDone = GL_FALSE; + void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY ); void Redisplay(); - +void Reshape(int x, int y); void DrawQuad() { + nWidth = glutGet(GLUT_WINDOW_WIDTH); + nHeight = glutGet(GLUT_WINDOW_HEIGHT); + glBegin(GL_QUADS); glVertex2d(nWidth*.25, nHeight*.75); glVertex2d(nWidth*.75, nHeight*.75); @@ -27,36 +32,107 @@ void DrawQuad() void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY ) { - if (cChar == 27) + switch (cChar) + { + case 27: glutLeaveMainLoop(); - else if (cChar=='f') - { - printf("main window toggle fullscreen\n"); + break; + + case 'f': + case 'F': + printf("main window toggle fullscreen\n"); glutFullScreenToggle(); - } - else if (cChar=='r') - { - printf("main window resize\n"); - if (nWidth<400) - glutReshapeWindow(600,300); + break; + + + case 'r': + case 'R': + if (nChildWindow!=-1) + { + glutSetWindow(nChildWindow); + printf("child window resize\n"); + if (!bChildSizeDone) + glutReshapeWindow(glutGet(GLUT_WINDOW_WIDTH)+50,glutGet(GLUT_WINDOW_HEIGHT)+50); + else + glutReshapeWindow(glutGet(GLUT_WINDOW_WIDTH)-50,glutGet(GLUT_WINDOW_HEIGHT)-50); + bChildSizeDone = !bChildSizeDone; + } else - glutReshapeWindow(300,300); - } - else if (cChar=='m') - { - printf("main window position\n"); - - /* 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 - * and/or a title bar. - */ - if (nPosX<400) - glutPositionWindow(600,300); + { + printf("main window resize\n"); + if (nWidth<400) + glutReshapeWindow(600,300); + else + glutReshapeWindow(300,300); + } + + break; + + + case 'm': + case 'M': + if (nChildWindow!=-1) + { + glutSetWindow(nChildWindow); + + /* The window position you request is relative to the top-left + * corner of the client area of the parent window. + */ + if (!bChildPosDone) + glutPositionWindow(glutGet(GLUT_WINDOW_X)+50,glutGet(GLUT_WINDOW_Y)+50); + else + glutPositionWindow(glutGet(GLUT_WINDOW_X)-50,glutGet(GLUT_WINDOW_Y)-50); + bChildPosDone = !bChildPosDone; + } else - glutPositionWindow(300,300); + { + printf("main window position\n"); + + /* 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 + * and/or a title bar. + */ + if (nPosX<400) + glutPositionWindow(600,300); + else + glutPositionWindow(300,300); + } + + break; + + + case 'c': + case 'C': + if (nChildWindow==-1) + { + /* open child window */ + printf("open child window\n"); + nWidth = glutGet(GLUT_WINDOW_WIDTH); + nHeight = glutGet(GLUT_WINDOW_HEIGHT); + + nChildWindow = glutCreateSubWindow(nWindow,(int)(nWidth*.35),(int)(nHeight*.35),(int)(nWidth*.3),(int)(nHeight*.3)); + glutKeyboardFunc( SampleKeyboard ); + glutDisplayFunc( Redisplay ); + glutReshapeFunc( Reshape ); + } + else + { + /* close child window */ + printf("close child window\n"); + glutSetWindow(nWindow); + glutDestroyWindow(nChildWindow); + nChildWindow = -1; + bChildSizeDone = GL_FALSE; + bChildPosDone = GL_FALSE; + } + break; + + + default: + break; } } @@ -67,18 +143,32 @@ void Idle(void) void Reshape(int x, int y) { + int win = glutGetWindow(); + nWidth = glutGet(GLUT_WINDOW_WIDTH); nHeight = glutGet(GLUT_WINDOW_HEIGHT); + printf("reshape %s, %dx%d\n",win==nWindow?"main":"child", + nWidth, nHeight); glViewport(0,0,nWidth,nHeight); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluOrtho2D(0,nWidth,0,nHeight); + + if (win==nWindow && nChildWindow!=-1) + { + glutSetWindow(nChildWindow); + glutPositionWindow((int)(nWidth*.35),(int)(nHeight*.35)); + glutReshapeWindow((int)(nWidth*.3),(int)(nHeight*.3)); + glutSetWindow(nWindow); + } } void Redisplay(void) { - if (nLoopMain++%6==0) + int win = glutGetWindow(); + + if (nLoopMain++%20==0) { int border, caption; @@ -96,20 +186,35 @@ void Redisplay(void) * or simply when maximized--try pressing the maximize button). * the returned size is the size of the client area */ - printf("window now %dx%d, top-left of client at: (%d,%d), of window at: (%d,%d)\n", + 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, - nPosX-border, - nPosY-border-caption); + nPosX ,nPosY); } - glClearColor(.2f,0.f,0.f,0.f); + if (win==nWindow) + { + glClearColor(.2f,0.f,0.f,0.f); + glColor3f(1,1,1); + } + else + { + /* child window */ + glClearColor(.0f,.2f,0.f,0.f); + glColor3f(.5,.5,.5); + glutPostWindowRedisplay(nWindow); + } glClear(GL_COLOR_BUFFER_BIT); - glColor3f(1,1,1); DrawQuad(); glutSwapBuffers(); - glutPostRedisplay(); + glutPostWindowRedisplay(win); } @@ -136,5 +241,5 @@ int main(int argc, char* argv[]) glutMainLoop(); printf("glutMainLoop returned\n"); - return 1; + return EXIT_SUCCESS; } \ No newline at end of file diff --git a/src/mswin/fg_state_mswin.c b/src/mswin/fg_state_mswin.c index d5f4419..91256a3 100644 --- a/src/mswin/fg_state_mswin.c +++ b/src/mswin/fg_state_mswin.c @@ -183,6 +183,19 @@ int fgPlatformGlutGet ( GLenum eWhat ) GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect ); #else winRect = fghGetClientArea(fgStructure.CurrentWindow, FALSE); + if (fgStructure.CurrentWindow->Parent && (eWhat==GLUT_WINDOW_X || eWhat==GLUT_WINDOW_Y)) + { + /* For child window, we should return relative to upper-left + * of parent's client area. + */ + POINT topleft; + topleft.x = winRect.left; + topleft.y = winRect.top; + + ScreenToClient(fgStructure.CurrentWindow->Parent->Window.Handle,&topleft); + winRect.left = topleft.x; + winRect.top = topleft.y; + } #endif /* defined(_WIN32_WCE) */ switch( eWhat )