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- /*
- * (c) Copyright 1993, 1994, 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- * Unpublished-- rights reserved under the copyright laws of the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(TM) is a trademark of Silicon Graphics, Inc.
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
- #include <X11/keysym.h>
- #include <GL/glx.h>
- #include <GL/gl.h>
- #include "tk.h"
- #include "aux.h"
-
- #if defined(__cplusplus) || defined(c_plusplus)
- #define class c_class
- #endif
-
-
- static struct {
- int keyField;
- void (*KeyFunc)(void);
- } keyTable[200];
-
- static struct {
- int mouseField;
- void (*MouseFunc)(AUX_EVENTREC *);
- } mouseDownTable[20], mouseUpTable[20], mouseLocTable[20];
-
- static int keyTableCount = 0;
- static int mouseDownTableCount = 0;
- static int mouseUpTableCount = 0;
- static int mouseLocTableCount = 0;
- static GLenum displayModeType = 0;
-
-
- static void DefaultHandleReshape(int w, int h)
- {
- glViewport(0, 0, w, h);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- }
-
- static void DefaultHandleExpose(int w, int h)
- {
- }
-
- static GLenum MouseLoc(int x, int y, GLenum button)
- {
- AUX_EVENTREC info;
- GLenum flag;
- int i;
-
- flag = GL_FALSE;
- for (i = 0; i < mouseLocTableCount; i++) {
- if ((button & AUX_LEFTBUTTON) == mouseLocTable[i].mouseField) {
- info.event = AUX_MOUSELOC;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_LEFTBUTTON;
- (*mouseLocTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- if ((button & AUX_RIGHTBUTTON) == mouseLocTable[i].mouseField) {
- info.event = AUX_MOUSELOC;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_RIGHTBUTTON;
- (*mouseLocTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- if ((button & AUX_MIDDLEBUTTON) == mouseLocTable[i].mouseField) {
- info.event = AUX_MOUSELOC;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_MIDDLEBUTTON;
- (*mouseLocTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- }
- return flag;
- }
-
- static GLenum MouseUp(int x, int y, GLenum button)
- {
- AUX_EVENTREC info;
- GLenum flag;
- int i;
-
- flag = GL_FALSE;
- for (i = 0; i < mouseUpTableCount; i++) {
- if ((button & AUX_LEFTBUTTON) == mouseUpTable[i].mouseField) {
- info.event = AUX_MOUSEUP;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_LEFTBUTTON;
- (*mouseUpTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- if ((button & AUX_RIGHTBUTTON) == mouseUpTable[i].mouseField) {
- info.event = AUX_MOUSEUP;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_RIGHTBUTTON;
- (*mouseUpTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- if ((button & AUX_MIDDLEBUTTON) == mouseUpTable[i].mouseField) {
- info.event = AUX_MOUSEUP;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_MIDDLEBUTTON;
- (*mouseUpTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- }
- return flag;
- }
-
- static GLenum MouseDown(int x, int y, GLenum button)
- {
- AUX_EVENTREC info;
- GLenum flag;
- int i;
-
- flag = GL_FALSE;
- for (i = 0; i < mouseDownTableCount; i++) {
- if ((button & AUX_LEFTBUTTON) == mouseDownTable[i].mouseField) {
- info.event = AUX_MOUSEDOWN;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_LEFTBUTTON;
- (*mouseDownTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- if ((button & AUX_RIGHTBUTTON) == mouseDownTable[i].mouseField) {
- info.event = AUX_MOUSEDOWN;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_RIGHTBUTTON;
- (*mouseDownTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- if ((button & AUX_MIDDLEBUTTON) == mouseDownTable[i].mouseField) {
- info.event = AUX_MOUSEDOWN;
- info.data[AUX_MOUSEX] = x;
- info.data[AUX_MOUSEY] = y;
- info.data[AUX_MOUSESTATUS] = AUX_MIDDLEBUTTON;
- (*mouseDownTable[i].MouseFunc)(&info);
- flag |= GL_TRUE;
- }
- }
- return flag;
- }
-
- static GLenum KeyDown(int key, GLenum status)
- {
- GLenum flag;
- int i;
-
- flag = GL_FALSE;
- if (keyTableCount) {
- for (i = 0; i < keyTableCount; i++) {
- if (key == keyTable[i].keyField) {
- (*keyTable[i].KeyFunc)();
- flag |= GL_TRUE;
- }
- }
- }
- return flag;
- }
-
- void auxExposeFunc(void (*Func)(int, int))
- {
- tkExposeFunc(Func);
- }
-
- void auxReshapeFunc(void (*Func)(int, int))
- {
- tkExposeFunc(Func);
- tkReshapeFunc(Func);
- }
-
- void auxIdleFunc(void (*Func)(void))
- {
- tkIdleFunc(Func);
- }
-
- void auxKeyFunc(int key, void (*Func)(void))
- {
- keyTable[keyTableCount].keyField = key;
- keyTable[keyTableCount++].KeyFunc = Func;
- }
-
- void auxMouseFunc(int mouse, int mode, void (*Func)(AUX_EVENTREC *))
- {
- if (mode == AUX_MOUSEDOWN) {
- mouseDownTable[mouseDownTableCount].mouseField = mouse;
- mouseDownTable[mouseDownTableCount++].MouseFunc = Func;
- } else if (mode == AUX_MOUSEUP) {
- mouseUpTable[mouseUpTableCount].mouseField = mouse;
- mouseUpTable[mouseUpTableCount++].MouseFunc = Func;
- } else if (mode == AUX_MOUSELOC) {
- mouseLocTable[mouseLocTableCount].mouseField = mouse;
- mouseLocTable[mouseLocTableCount++].MouseFunc = Func;
- }
- }
-
- void auxMainLoop(void (*Func)(void))
- {
- tkDisplayFunc(Func);
- tkExec();
- }
-
- void auxInitPosition(int x, int y, int width, int height)
- {
- tkInitPosition(x, y, width, height);
- }
-
- void auxInitDisplayMode(GLenum type)
- {
- displayModeType = type;
- tkInitDisplayMode(type);
- }
-
- GLenum auxInitWindow(char *title)
- {
- int useDoubleAsSingle = 0;
-
- if (tkInitWindow(title) == GL_FALSE) {
- if (AUX_WIND_IS_SINGLE(displayModeType)) {
- tkInitDisplayMode(displayModeType|AUX_DOUBLE);
- if (tkInitWindow(title) == GL_FALSE) {
- return GL_FALSE;
- }
- fprintf(stderr, "Can't initialize a single buffer visual.\n");
- fprintf(stderr, "Will use a double buffer visual instead,");
- fprintf(stderr, "only drawing into the front buffer.\n");
- displayModeType = displayModeType | AUX_DOUBLE;
- useDoubleAsSingle = 1;
- }
- }
- tkReshapeFunc(DefaultHandleReshape);
- tkExposeFunc(DefaultHandleExpose);
- tkMouseUpFunc(MouseUp);
- tkMouseDownFunc(MouseDown);
- tkMouseMoveFunc(MouseLoc);
- tkKeyDownFunc(KeyDown);
- auxKeyFunc(AUX_ESCAPE, auxQuit);
- glClearColor(0.0, 0.0, 0.0, 1.0);
- glClearIndex(0);
- glLoadIdentity();
- if (useDoubleAsSingle) {
- glReadBuffer(GL_FRONT);
- glDrawBuffer(GL_FRONT);
- }
- return GL_TRUE;
- }
-
- void auxCloseWindow(void)
- {
- tkCloseWindow();
- keyTableCount = 0;
- mouseDownTableCount = 0;
- mouseUpTableCount = 0;
- mouseLocTableCount = 0;
- }
-
- void auxQuit(void)
- {
- tkQuit();
- }
-
- void auxSwapBuffers(void)
- {
- tkSwapBuffers();
- }
-
- Display *auxXDisplay(void)
- {
- Display *ptr;
-
- tkGetSystem(TK_X_DISPLAY, (void *)ptr);
- return ptr;
- }
-
- Window auxXWindow(void)
- {
- Window ptr;
-
- tkGetSystem(TK_X_DISPLAY, (void *)ptr);
- return ptr;
- }
-
- void auxSetOneColor(int index, float r, float g, float b)
- {
- tkSetOneColor(index, r, g, b);
- }
-
- void auxSetFogRamp(int density, int startIndex)
- {
- tkSetFogRamp(density, startIndex);
- }
-
- void auxSetGreyRamp(void)
- {
- tkSetGreyRamp();
- }
-
- void auxSetRGBMap(int size, float *rgb)
- {
- tkSetRGBMap(size, rgb);
- }
-
- int auxGetColorMapSize(void)
- {
-
- return tkGetColorMapSize();;
- }
-
- void auxGetMouseLoc(int *x, int *y)
- {
- tkGetMouseLoc(x, y);
- }
-