This is window.c in view mode; [Download] [Up]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gltk.h"
#include "private.h"
/******************************************************************************/
Display *xDisplay = 0;
int xScreen = 0;
Window wRoot = 0;
Atom deleteWindowAtom;
WINDOW_REC w = {
0, 0, 300, 300, TK_RGB|TK_SINGLE|TK_DIRECT
};
float colorMaps[] = {
0.000000, 1.000000, 0.000000, 1.000000, 0.000000, 1.000000,
0.000000, 1.000000, 0.333333, 0.776471, 0.443137, 0.556863,
0.443137, 0.556863, 0.219608, 0.666667, 0.666667, 0.333333,
0.666667, 0.333333, 0.666667, 0.333333, 0.666667, 0.333333,
0.666667, 0.333333, 0.666667, 0.333333, 0.666667, 0.333333,
0.666667, 0.333333, 0.039216, 0.078431, 0.117647, 0.156863,
0.200000, 0.239216, 0.278431, 0.317647, 0.356863, 0.400000,
0.439216, 0.478431, 0.517647, 0.556863, 0.600000, 0.639216,
0.678431, 0.717647, 0.756863, 0.800000, 0.839216, 0.878431,
0.917647, 0.956863, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 0.000000, 0.000000,
1.000000, 1.000000, 0.000000, 0.000000, 1.000000, 1.000000,
0.333333, 0.443137, 0.776471, 0.556863, 0.443137, 0.219608,
0.556863, 0.666667, 0.666667, 0.333333, 0.666667, 0.333333,
0.666667, 0.333333, 0.666667, 0.333333, 0.666667, 0.333333,
0.666667, 0.333333, 0.666667, 0.333333, 0.666667, 0.333333,
0.039216, 0.078431, 0.117647, 0.156863, 0.200000, 0.239216,
0.278431, 0.317647, 0.356863, 0.400000, 0.439216, 0.478431,
0.517647, 0.556863, 0.600000, 0.639216, 0.678431, 0.717647,
0.756863, 0.800000, 0.839216, 0.878431, 0.917647, 0.956863,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.141176, 0.282353, 0.427451,
0.568627, 0.713726, 0.854902, 1.000000, 0.000000, 0.141176,
0.282353, 0.427451, 0.568627, 0.713726, 0.854902, 1.000000,
0.000000, 0.141176, 0.282353, 0.427451, 0.568627, 0.713726,
0.854902, 1.000000, 0.000000, 0.000000, 0.000000, 0.000000,
1.000000, 1.000000, 1.000000, 1.000000, 0.333333, 0.443137,
0.443137, 0.219608, 0.776471, 0.556863, 0.556863, 0.666667,
0.666667, 0.333333, 0.666667, 0.333333, 0.666667, 0.333333,
0.666667, 0.333333, 0.666667, 0.333333, 0.666667, 0.333333,
0.666667, 0.333333, 0.666667, 0.333333, 0.039216, 0.078431,
0.117647, 0.156863, 0.200000, 0.239216, 0.278431, 0.317647,
0.356863, 0.400000, 0.439216, 0.478431, 0.517647, 0.556863,
0.600000, 0.639216, 0.678431, 0.717647, 0.756863, 0.800000,
0.839216, 0.878431, 0.917647, 0.956863, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.247059, 0.247059, 0.247059, 0.247059, 0.247059, 0.247059,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.498039, 0.498039,
0.498039, 0.498039, 0.498039, 0.498039, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 0.749020, 0.749020, 0.749020, 0.749020,
0.749020, 0.749020, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
};
float tkRGBMap[8][3] = {
{
0, 0, 0
},
{
1, 0, 0
},
{
0, 1, 0
},
{
1, 1, 0
},
{
0, 0, 1
},
{
1, 0, 1
},
{
0, 1, 1
},
{
1, 1, 1
}
};
/******************************************************************************/
void tkCloseWindow(void)
{
if (xDisplay) {
cursorNum = 0;
ExposeFunc = 0;
ReshapeFunc = 0;
IdleFunc = 0;
DisplayFunc = 0;
KeyDownFunc = 0;
MouseDownFunc = 0;
MouseUpFunc = 0;
MouseMoveFunc = 0;
glFlush();
glFinish();
if (TK_HAS_OVERLAY(w.type)) {
#ifdef GLX_MESA_release_buffers
glXReleaseBuffersMESA( xDisplay, w.wOverlay );
#endif
XDestroyWindow(xDisplay, w.wOverlay);
glXDestroyContext(xDisplay, w.cOverlay);
XFreeColormap(xDisplay, w.cMapOverlay);
XFree((char *)w.vInfoOverlay);
}
#ifdef GLX_MESA_release_buffers
glXReleaseBuffersMESA( xDisplay, w.wMain );
#endif
XDestroyWindow(xDisplay, w.wMain);
glXDestroyContext(xDisplay, w.cMain);
if (w.cMapAllocated)
XFreeColormap(xDisplay, w.cMapMain);
XFree((char *)w.vInfoMain);
XCloseDisplay(xDisplay);
xDisplay = 0;
}
}
/******************************************************************************/
void tkInitDisplayMode(GLenum type)
{
w.type = type;
}
/******************************************************************************/
void tkInitPosition(int x, int y, int width, int height)
{
w.x = x;
w.y = y;
w.w = width;
w.h = height;
}
/******************************************************************************/
static int ErrorHandler(Display *xDisplay, XErrorEvent *event)
{
char buf[80];
printf("\nReceived X error!\n");
printf("\tError code : %d\n", event->error_code);
printf("\tRequest code : %d\n", event->request_code);
printf("\tMinor code : %d\n\n", event->minor_code);
XGetErrorText(xDisplay, event->error_code, buf, 80);
printf("\tError text : '%s'\n\n", buf);
return 0;
}
static XVisualInfo *FindMainVisual(GLenum type)
{
int list[32], i;
i = 0;
list[i++] = GLX_LEVEL;
list[i++] = 0;
if (TK_IS_DOUBLE(type)) {
list[i++] = GLX_DOUBLEBUFFER;
}
if (TK_IS_RGB(type)) {
list[i++] = GLX_RGBA;
list[i++] = GLX_RED_SIZE;
list[i++] = 1;
list[i++] = GLX_GREEN_SIZE;
list[i++] = 1;
list[i++] = GLX_BLUE_SIZE;
list[i++] = 1;
if (TK_HAS_ALPHA(type)) {
list[i++] = GLX_ALPHA_SIZE;
list[i++] = 1;
}
if (TK_HAS_ACCUM(type)) {
list[i++] = GLX_ACCUM_RED_SIZE;
list[i++] = 1;
list[i++] = GLX_ACCUM_GREEN_SIZE;
list[i++] = 1;
list[i++] = GLX_ACCUM_BLUE_SIZE;
list[i++] = 1;
if (TK_HAS_ALPHA(type)) {
list[i++] = GLX_ACCUM_ALPHA_SIZE;
list[i++] = 1;
}
}
} else if (TK_IS_INDEX(type)) {
list[i++] = GLX_BUFFER_SIZE;
list[i++] = 1;
}
if (TK_HAS_DEPTH(type)) {
list[i++] = GLX_DEPTH_SIZE;
list[i++] = 1;
}
if (TK_HAS_STENCIL(type)) {
list[i++] = GLX_STENCIL_SIZE;
list[i++] = 1;
}
list[i] = (int)None;
return glXChooseVisual(xDisplay, xScreen, list);
}
static XVisualInfo *FindOverlayVisual(void)
{
int list[10];
list[0] = GLX_LEVEL;
list[1] = 1;
list[2] = (int)None;
/*
list[2] = GLX_TRANSPARENT_TYPE;
list[3] = GLX_TRANSPARENT_INDEX;
list[4] = None;
*/
return glXChooseVisual(xDisplay, xScreen, list);
}
static GLenum GetMainWindowType(XVisualInfo *vi)
{
GLenum mask;
int x, y, z;
mask = 0;
glXGetConfig(xDisplay, vi, GLX_DOUBLEBUFFER, &x);
if (x) {
mask |= TK_DOUBLE;
} else {
mask |= TK_SINGLE;
}
glXGetConfig(xDisplay, vi, GLX_RGBA, &x);
if (x) {
mask |= TK_RGB;
glXGetConfig(xDisplay, vi, GLX_ALPHA_SIZE, &x);
if (x > 0) {
mask |= TK_ALPHA;
}
glXGetConfig(xDisplay, vi, GLX_ACCUM_RED_SIZE, &x);
glXGetConfig(xDisplay, vi, GLX_ACCUM_GREEN_SIZE, &y);
glXGetConfig(xDisplay, vi, GLX_ACCUM_BLUE_SIZE, &z);
if (x > 0 && y > 0 && z > 0) {
mask |= TK_ACCUM;
}
} else {
mask |= TK_INDEX;
}
glXGetConfig(xDisplay, vi, GLX_DEPTH_SIZE, &x);
if (x > 0) {
mask |= TK_DEPTH;
}
glXGetConfig(xDisplay, vi, GLX_STENCIL_SIZE, &x);
if (x > 0) {
mask |= TK_STENCIL;
}
if (glXIsDirect(xDisplay, w.cMain)) {
mask |= TK_DIRECT;
} else {
mask |= TK_INDIRECT;
}
return mask;
}
static int WaitForMainWindow(Display *d, XEvent *e, char *arg)
{
if (e->type == MapNotify && e->xmap.window == w.wMain) {
return GL_TRUE;
} else {
return GL_FALSE;
}
}
static int WaitForOverlayWindow(Display *d, XEvent *e, char *arg)
{
if (e->type == MapNotify && e->xmap.window == w.wOverlay) {
return GL_TRUE;
} else {
return GL_FALSE;
}
}
GLenum tkInitWindow(char *title)
{
XSetWindowAttributes wa;
XTextProperty tp;
XSizeHints sh;
XEvent e;
int erb, evb;
GLenum overlayFlag;
if (!xDisplay) {
xDisplay = XOpenDisplay(0);
if (!xDisplay) {
fprintf(stderr, "Can't connect to xDisplay!\n");
return GL_FALSE;
}
if (!glXQueryExtension(xDisplay, &erb, &evb)) {
fprintf(stderr, "No glx extension!\n");
return GL_FALSE;
}
xScreen = DefaultScreen(xDisplay);
wRoot = RootWindow(xDisplay, xScreen);
XSetErrorHandler(ErrorHandler);
}
if (TK_HAS_OVERLAY(w.type)) {
overlayFlag = GL_TRUE;
} else {
overlayFlag = GL_FALSE;
}
w.type &= ~TK_OVERLAY;
w.vInfoMain = FindMainVisual(w.type);
if (!w.vInfoMain) {
if (TK_IS_RGB(w.type)) {
fprintf(stderr, "Couldn't find visual for RGB mode!\n");
}
else {
fprintf(stderr, "Couldn't find visual for Color Index mode!\n");
}
xDisplay = 0; /* to prevent crash in tkCloseWindow */
return GL_FALSE;
}
w.cMain = glXCreateContext(xDisplay, w.vInfoMain, None,
(TK_IS_DIRECT(w.type))?GL_TRUE:GL_FALSE);
if (!w.cMain) {
fprintf(stderr, "Can't create a context!\n");
return GL_FALSE;
}
w.type = GetMainWindowType(w.vInfoMain);
w.cMapAllocated = 1;
if (TK_IS_INDEX(w.type)) {
/* Color Indexed windows needs a writable colormap */
if (w.vInfoMain->class != StaticColor &&
w.vInfoMain->class != StaticGray) {
w.cMapMain = XCreateColormap(xDisplay, wRoot, w.vInfoMain->visual,
AllocAll);
} else {
w.cMapMain = XCreateColormap(xDisplay, wRoot, w.vInfoMain->visual,
AllocNone);
}
} else {
/* RGB colormap is AllocNone, share the root colormap if possible */
Screen *scr = DefaultScreenOfDisplay(xDisplay);
int scrnum = DefaultScreen(xDisplay);
if (MaxCmapsOfScreen(scr)==1
&& w.vInfoMain->visual==DefaultVisual(xDisplay,scrnum)) {
/* the window and root are of the same visual type */
char *private_cmap = getenv("MESA_PRIVATE_CMAP");
if (private_cmap) {
/* user doesn't want to share colormaps */
w.cMapMain = XCreateColormap(xDisplay, wRoot,
w.vInfoMain->visual, AllocNone);
}
else {
/* share the root colormap */
w.cMapMain = DefaultColormap(xDisplay,scrnum);
}
}
else {
/* window and root are different visual types, allocate new cmap */
/**** ad@lms.be: Added initialization for HP color recovery *******/
Atom hp_cr_maps = XInternAtom(xDisplay, "_HP_RGB_SMOOTH_MAP_LIST", True);
w.cMapMain = 0;
if (hp_cr_maps) {
XStandardColormap* colmaps = 0;
int nrColmaps = 0;
int i;
XGetRGBColormaps( xDisplay, RootWindow(xDisplay, scrnum)
, &colmaps, &nrColmaps, hp_cr_maps);
for (i=0; i<nrColmaps; i++) {
if (colmaps[i].visualid == w.vInfoMain->visual->visualid) {
w.cMapMain = colmaps[i].colormap;
w.cMapAllocated = 0;
break;
}
}
} /*** end HP color recovery ***/
if (!w.cMapMain) {
if (w.vInfoMain->class==DirectColor) {
w.cMapMain = XCreateColormap(xDisplay, wRoot,
w.vInfoMain->visual, AllocAll);
}
else {
w.cMapMain = XCreateColormap(xDisplay, wRoot,
w.vInfoMain->visual, AllocNone);
}
}
}
}
if (TK_IS_INDEX(w.type) || w.vInfoMain->class==DirectColor) {
tkSetRGBMap(256, colorMaps);
}
wa.colormap = w.cMapMain;
wa.background_pixmap = None;
wa.border_pixel = 0;
wa.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask |
ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
w.wMain = XCreateWindow(xDisplay, wRoot, w.x, w.y, w.w, w.h, 0,
w.vInfoMain->depth, InputOutput,
w.vInfoMain->visual,
CWBackPixmap|CWBorderPixel|CWEventMask|CWColormap,
&wa);
/*OLD: XInstallColormap( xDisplay, w.cMapMain );*/
XSetWMColormapWindows( xDisplay, w.wMain, &w.wMain, 1 );
XStringListToTextProperty(&title, 1, &tp);
sh.flags = USPosition | USSize;
XSetWMProperties(xDisplay, w.wMain, &tp, &tp, 0, 0, &sh, 0, 0);
XFree(tp.value);
deleteWindowAtom = XInternAtom(xDisplay, "WM_DELETE_WINDOW", False);
XSetWMProtocols(xDisplay, w.wMain, &deleteWindowAtom, 1);
XMapWindow(xDisplay, w.wMain);
drawAllowFlag = GL_FALSE;
XIfEvent(xDisplay, &e, WaitForMainWindow, 0);
if (overlayFlag == GL_TRUE) {
w.vInfoOverlay = FindOverlayVisual();
if (w.vInfoOverlay) {
w.cOverlay = glXCreateContext(xDisplay, w.vInfoOverlay, None,
GL_TRUE);
w.cMapOverlay = XCreateColormap(xDisplay, wRoot,
w.vInfoOverlay->visual,AllocNone);
tkSetOverlayMap(256, colorMaps);
wa.colormap = w.cMapOverlay;
wa.background_pixmap = None;
wa.border_pixel = 0;
w.wOverlay = XCreateWindow(xDisplay, w.wMain, 0, 0, w.w, w.h, 0,
w.vInfoOverlay->depth, InputOutput,
w.vInfoOverlay->visual,
CWBackPixmap|CWBorderPixel|CWColormap,
&wa);
XMapWindow(xDisplay, w.wOverlay);
XSetWMColormapWindows(xDisplay, w.wMain, &w.wOverlay, 1);
w.type |= TK_OVERLAY;
} else {
fprintf(stderr, "Can't create a overlay plane!\n");
}
}
if (!glXMakeCurrent(xDisplay, w.wMain, w.cMain)) {
fprintf(stderr, "Can't make window current drawable!\n");
return GL_FALSE;
}
XFlush(xDisplay);
return GL_TRUE;
}
/******************************************************************************/
void tkQuit(void)
{
tkCloseWindow();
exit(0);
}
/******************************************************************************/
void tkSwapBuffers(void)
{
if (xDisplay) {
glXSwapBuffers(xDisplay, w.wMain);
}
}
/******************************************************************************/
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.