glutmui.c
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上传日期:2007-05-28
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文件大小:6k
- /*
- * Copyright (c) 1993-1997, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
- * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * US Government Users Restricted Rights
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (c)(1)(ii) of the Rights in Technical Data and Computer Software
- * clause at DFARS 252.227-7013 and/or in similar or successor
- * clauses in the FAR or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States. Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
- */
- #include <stdlib.h>
- #include <GL/glut.h>
- #include <mui/gizmo.h>
- typedef struct _Window {
- int mui_xorg, mui_yorg, mui_xsize, mui_ysize;
- int uilist;
- int mbleft;
- } WindowRec, *Window;
- static Window winList = NULL;
- static int numWins = 0;
- int mui_singlebuffered = 0;
- int menuinuse = 0;
- static int mbmiddle = 0, mbright = 0; /* XXX unused currently */
- void setmousebuttons(int b, int s)
- {
- Window win = &winList[glutGetWindow()-1];
- switch (b) {
- case GLUT_LEFT_BUTTON:
- win->mbleft = (s == GLUT_DOWN);
- break;
- case GLUT_MIDDLE_BUTTON:
- mbmiddle =(s == GLUT_DOWN);
- break;
- case GLUT_RIGHT_BUTTON:
- mbright =(s == GLUT_DOWN);
- break;
- }
- }
- void mui_drawgeom(void)
- {
- Window win = &winList[glutGetWindow()-1];
- glViewport(0, 0, win->mui_xsize, win->mui_ysize);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(0, win->mui_xsize, 0, win->mui_ysize);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- muiDrawUIList(win->uilist);
- if (mui_singlebuffered == 0)
- glutSwapBuffers();
- else
- glFlush();
- }
- void mui_keyboard(unsigned char c, int x, int y)
- {
- Window win = &winList[glutGetWindow()-1];
- muiSetActiveUIList(win->uilist);
- muiHandleEvent(MUI_KEYSTROKE, c, x, win->mui_ysize-y);
- glutPostRedisplay();
- }
- void mui_mouse(int b, int s, int x, int y)
- {
- Window win = &winList[glutGetWindow()-1];
- muiSetActiveUIList(win->uilist);
- setmousebuttons(b, s);
- if (b == GLUT_MIDDLE_BUTTON && s == GLUT_DOWN) {
- muiHandleEvent(MUI_DEVICE_DOUBLE_CLICK, 0, x, win->mui_ysize-y);
- glutPostRedisplay();
- }
- if (b != GLUT_LEFT_BUTTON) { return; }
- muiHandleEvent((s==GLUT_DOWN)?MUI_DEVICE_PRESS:MUI_DEVICE_RELEASE, 0, x, win->mui_ysize-y);
- glutPostRedisplay();
- }
- static void mui_Reshape(int width, int height)
- {
- Window win = &winList[glutGetWindow()-1];
- win->mui_xorg = glutGet(GLUT_WINDOW_X);
- win->mui_yorg = glutGet(GLUT_WINDOW_Y);
- win->mui_xsize = width;
- win->mui_ysize = height;
- glViewport(0, 0, win->mui_xsize, win->mui_ysize);
- }
- void mui_glutmotion(int x, int y)
- {
- Window win = &winList[glutGetWindow()-1];
- muiSetActiveUIList(win->uilist);
- if (win->mbleft == 0) return;
- muiHandleEvent(MUI_DEVICE_DOWN, 0, x, win->mui_ysize-y);
- glutPostRedisplay();
- }
- void mui_glutpassivemotion(int x, int y)
- {
- Window win = &winList[glutGetWindow()-1];
- muiSetActiveUIList(win->uilist);
- muiHandleEvent(MUI_DEVICE_UP, 0, x, win->mui_ysize-y);
- glutPostRedisplay();
- }
- void mui_menufunc(int state)
- {
- menuinuse = state;
- }
- void muiInit(void)
- {
- int winNum = glutGetWindow();
- Window win;
- if (winNum >= numWins) {
- numWins = winNum;
- winList = (Window) realloc(winList, numWins * sizeof(WindowRec));
- }
- win = &winList[glutGetWindow()-1];
- win->mui_xorg = glutGet(GLUT_WINDOW_X);
- win->mui_yorg = glutGet(GLUT_WINDOW_Y);
- win->mui_xsize = glutGet(GLUT_WINDOW_WIDTH);
- win->mui_ysize = glutGet(GLUT_WINDOW_HEIGHT);;
- win->mbleft = 0;
- /* The "uilist = 1" is for compatibility with GLUT 3.5's MUI
- implementation that was hardwired to support a single window
- only with UI list 1. */
- win->uilist = 1;
- glutKeyboardFunc(mui_keyboard);
- glutMouseFunc(mui_mouse);
- glutReshapeFunc(mui_Reshape);
- glutMotionFunc(mui_glutmotion);
- glutPassiveMotionFunc(mui_glutpassivemotion);
- glutDisplayFunc(mui_drawgeom);
- glutMenuStateFunc(mui_menufunc);
- }
- void muiAttachUIList(int uilist)
- {
- Window win = &winList[glutGetWindow()-1];
- win->uilist = uilist;
- }