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- #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 GLenum displayModePolicy = AUX_MINIMUM_CRITERIA;
- static int displayModeID = 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);
- }
-
- void auxInitDisplayModePolicy(GLenum type)
- {
-
- displayModePolicy = type;
- tkInitDisplayModePolicy(type);
- }
-
- void auxInitDisplayModeID(GLint id)
- {
-
- displayModeID = id;
- tkInitDisplayModeID(id);
- }
-
- 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;
- }
- else {
- return GL_FALSE;
- }
- }
- 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_WINDOW, (void *)&ptr);
- return ptr;
- }
-
- int auxXScreen(void)
- {
- int screen;
-
- tkGetSystem(TK_X_SCREEN, (void *)&screen);
- return(screen);
- }
-
- GLenum auxGetDisplayModePolicy(void)
- {
- return tkGetDisplayModePolicy();
- }
-
- GLint auxGetDisplayModeID(void)
- {
- return tkGetDisplayModeID();
- }
-
- GLenum auxGetDisplayMode(void)
- {
- return tkGetDisplayMode();
- }
-
- long auxGetCurrentContext(void)
- {
- long id;
-
- tkGetSystem(TK_CONTEXT, (void *)&id);
- return id;
- }
-
- 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);
- }
-