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wmsetbg.c
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wmsetbg.c
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/* wmsetbg.c- sets root window background image and also works as
* workspace background setting helper for wmaker
*
* WindowMaker window manager
*
* Copyright (c) 1998-2003 Alfredo K. Kojima
* Copyright (c) 1998-2003 Dan Pascu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* TODO: rewrite, too dirty
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <string.h>
#include <strings.h>
#include <pwd.h>
#include <signal.h>
#include <sys/types.h>
#include <ctype.h>
#ifdef USE_XINERAMA
# ifdef SOLARIS_XINERAMA /* sucks */
# include <X11/extensions/xinerama.h>
# else
# include <X11/extensions/Xinerama.h>
# endif
#endif
#ifdef HAVE_STDNORETURN
#include <stdnoreturn.h>
#endif
#include "../src/wconfig.h"
#include <WINGs/WINGs.h>
#include <wraster.h>
typedef struct {
WMRect *screens;
int count; /* screen count, 0 = inactive */
} WXineramaInfo;
#define WORKSPACE_COUNT (MAX_WORKSPACES+1)
Display *dpy;
char *display = "";
Window root;
int scr;
int scrWidth;
int scrHeight;
int scrX, scrY;
WXineramaInfo xineInfo;
Bool smooth = False;
#ifdef USE_XINERAMA
Bool xineStretch = False;
#endif
Pixmap CurrentPixmap = None;
char *PixmapPath = NULL;
static const char *prog_name;
typedef struct BackgroundTexture {
int refcount;
int solid;
char *spec;
XColor color;
Pixmap pixmap; /* for all textures, including solid */
int width; /* size of the pixmap */
int height;
} BackgroundTexture;
static noreturn void quit(int rcode)
{
WMReleaseApplication();
exit(rcode);
}
static void initXinerama(void)
{
xineInfo.screens = NULL;
xineInfo.count = 0;
#ifdef USE_XINERAMA
# ifdef SOLARIS_XINERAMA
if (XineramaGetState(dpy, scr)) {
XRectangle head[MAXFRAMEBUFFERS];
unsigned char hints[MAXFRAMEBUFFERS];
int i;
if (XineramaGetInfo(dpy, scr, head, hints, &xineInfo.count)) {
xineInfo.screens = wmalloc(sizeof(WMRect) * (xineInfo.count + 1));
for (i = 0; i < xineInfo.count; i++) {
xineInfo.screens[i].pos.x = head[i].x;
xineInfo.screens[i].pos.y = head[i].y;
xineInfo.screens[i].size.width = head[i].width;
xineInfo.screens[i].size.height = head[i].height;
}
}
}
# else /* !SOLARIS_XINERAMA */
if (XineramaIsActive(dpy)) {
XineramaScreenInfo *xine_screens;
int i;
xine_screens = XineramaQueryScreens(dpy, &xineInfo.count);
xineInfo.screens = wmalloc(sizeof(WMRect) * (xineInfo.count + 1));
for (i = 0; i < xineInfo.count; i++) {
xineInfo.screens[i].pos.x = xine_screens[i].x_org;
xineInfo.screens[i].pos.y = xine_screens[i].y_org;
xineInfo.screens[i].size.width = xine_screens[i].width;
xineInfo.screens[i].size.height = xine_screens[i].height;
}
XFree(xine_screens);
}
# endif /* !SOLARIS_XINERAMA */
#endif /* USE_XINERAMA */
}
static RImage *loadImage(RContext * rc, const char *file)
{
char *path;
RImage *image;
if (access(file, F_OK) != 0) {
path = wfindfile(PixmapPath, file);
if (!path) {
wwarning("%s:could not find image file used in texture", file);
return NULL;
}
} else {
path = wstrdup(file);
}
image = RLoadImage(rc, path, 0);
if (!image) {
wwarning("%s:could not load image file used in texture:%s", path, RMessageForError(RErrorCode));
}
wfree(path);
return image;
}
static void
applyImage(RContext * rc, BackgroundTexture * texture, RImage * image, char type,
int x, int y, int width, int height)
{
int w, h;
Bool fimage = False;
switch (toupper(type)) {
case 'S':
case 'M':
case 'F':
if (toupper(type) == 'S') {
w = width;
h = height;
} else if(toupper(type) == 'F') {
if (image->width * height > image->height * width) {
w = (height * image->width) / image->height;
h = height;
} else {
w = width;
h = (width * image->height) / image->width;
}
} else {
if (image->width * height > image->height * width) {
w = width;
h = (width * image->height) / image->width;
} else {
w = (height * image->width) / image->height;
h = height;
}
}
if (w != image->width || h != image->height) {
RImage *simage;
if (smooth) {
simage = RSmoothScaleImage(image, w, h);
} else {
simage = RScaleImage(image, w, h);
}
if (!simage) {
wwarning("could not scale image:%s", RMessageForError(RErrorCode));
return;
}
fimage = True;
image = simage;
}
/* fall through */
case 'C':
{
Pixmap pixmap;
if (!RConvertImage(rc, image, &pixmap)) {
wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
if (fimage)
RReleaseImage(image);
return;
}
if (image->width != width || image->height != height) {
int sx, sy, w, h;
if (image->height < height) {
h = image->height;
y += (height - h) / 2;
sy = 0;
} else {
sy = (image->height - height) / 2;
h = height;
}
if (image->width < width) {
w = image->width;
x += (width - w) / 2;
sx = 0;
} else {
sx = (image->width - width) / 2;
w = width;
}
XCopyArea(dpy, pixmap, texture->pixmap, DefaultGC(dpy, scr), sx, sy, w, h, x, y);
} else
XCopyArea(dpy, pixmap, texture->pixmap, DefaultGC(dpy, scr), 0, 0, width, height,
x, y);
XFreePixmap(dpy, pixmap);
if (fimage) {
RReleaseImage(image);
}
}
break;
}
}
static BackgroundTexture *parseTexture(RContext * rc, char *text)
{
BackgroundTexture *texture = NULL;
WMPropList *texarray;
WMPropList *val;
int count;
char *tmp;
char *type;
#define GETSTRORGOTO(val, str, i, label) \
val = WMGetFromPLArray(texarray, i);\
if (!WMIsPLString(val)) {\
wwarning("could not parse texture %s", text);\
goto label;\
}\
str = WMGetFromPLString(val)
texarray = WMCreatePropListFromDescription(text);
if (!texarray || !WMIsPLArray(texarray)
|| (count = WMGetPropListItemCount(texarray)) < 2) {
wwarning("could not parse texture %s", text);
if (texarray)
WMReleasePropList(texarray);
return NULL;
}
texture = wmalloc(sizeof(BackgroundTexture));
GETSTRORGOTO(val, type, 0, error);
if (strcasecmp(type, "solid") == 0) {
XColor color;
Pixmap pixmap;
texture->solid = 1;
GETSTRORGOTO(val, tmp, 1, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
XAllocColor(dpy, DefaultColormap(dpy, scr), &color);
pixmap = XCreatePixmap(dpy, root, 8, 8, DefaultDepth(dpy, scr));
XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
XFillRectangle(dpy, pixmap, DefaultGC(dpy, scr), 0, 0, 8, 8);
texture->pixmap = pixmap;
texture->color = color;
texture->width = 8;
texture->height = 8;
} else if (strcasecmp(type, "vgradient") == 0
|| strcasecmp(type, "dgradient") == 0 || strcasecmp(type, "hgradient") == 0) {
XColor color;
RColor color1, color2;
RImage *image;
Pixmap pixmap;
RGradientStyle gtype;
int iwidth, iheight;
GETSTRORGOTO(val, tmp, 1, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
color1.red = color.red >> 8;
color1.green = color.green >> 8;
color1.blue = color.blue >> 8;
GETSTRORGOTO(val, tmp, 2, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
color2.red = color.red >> 8;
color2.green = color.green >> 8;
color2.blue = color.blue >> 8;
switch (type[0]) {
case 'h':
case 'H':
gtype = RHorizontalGradient;
iwidth = scrWidth;
iheight = 32;
break;
case 'V':
case 'v':
gtype = RVerticalGradient;
iwidth = 32;
iheight = scrHeight;
break;
default:
gtype = RDiagonalGradient;
iwidth = scrWidth;
iheight = scrHeight;
break;
}
image = RRenderGradient(iwidth, iheight, &color1, &color2, gtype);
if (!image) {
wwarning("could not render gradient texture:%s", RMessageForError(RErrorCode));
goto error;
}
if (!RConvertImage(rc, image, &pixmap)) {
wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
RReleaseImage(image);
goto error;
}
texture->width = image->width;
texture->height = image->height;
RReleaseImage(image);
texture->pixmap = pixmap;
} else if (strcasecmp(type, "mvgradient") == 0
|| strcasecmp(type, "mdgradient") == 0 || strcasecmp(type, "mhgradient") == 0) {
XColor color;
RColor **colors;
RImage *image;
Pixmap pixmap;
int i, j;
RGradientStyle gtype;
int iwidth, iheight;
colors = malloc(sizeof(RColor *) * (count - 1));
if (!colors) {
wwarning("out of memory while parsing texture");
goto error;
}
memset(colors, 0, sizeof(RColor *) * (count - 1));
for (i = 2; i < count; i++) {
val = WMGetFromPLArray(texarray, i);
if (!WMIsPLString(val)) {
wwarning("could not parse texture %s", text);
for (j = 0; colors[j] != NULL; j++)
wfree(colors[j]);
wfree(colors);
goto error;
}
tmp = WMGetFromPLString(val);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
for (j = 0; colors[j] != NULL; j++)
wfree(colors[j]);
wfree(colors);
goto error;
}
if (!(colors[i - 2] = malloc(sizeof(RColor)))) {
wwarning("out of memory while parsing texture");
for (j = 0; colors[j] != NULL; j++)
wfree(colors[j]);
wfree(colors);
goto error;
}
colors[i - 2]->red = color.red >> 8;
colors[i - 2]->green = color.green >> 8;
colors[i - 2]->blue = color.blue >> 8;
}
switch (type[1]) {
case 'h':
case 'H':
gtype = RHorizontalGradient;
iwidth = scrWidth;
iheight = 32;
break;
case 'V':
case 'v':
gtype = RVerticalGradient;
iwidth = 32;
iheight = scrHeight;
break;
default:
gtype = RDiagonalGradient;
iwidth = scrWidth;
iheight = scrHeight;
break;
}
image = RRenderMultiGradient(iwidth, iheight, colors, gtype);
for (j = 0; colors[j] != NULL; j++)
wfree(colors[j]);
wfree(colors);
if (!image) {
wwarning("could not render gradient texture:%s", RMessageForError(RErrorCode));
goto error;
}
if (!RConvertImage(rc, image, &pixmap)) {
wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
RReleaseImage(image);
goto error;
}
texture->width = image->width;
texture->height = image->height;
RReleaseImage(image);
texture->pixmap = pixmap;
} else if (strcasecmp(type, "cpixmap") == 0
|| strcasecmp(type, "spixmap") == 0 || strcasecmp(type, "fpixmap") == 0
|| strcasecmp(type, "mpixmap") == 0 || strcasecmp(type, "tpixmap") == 0) {
XColor color;
Pixmap pixmap = None;
RImage *image = NULL;
int iwidth = 0, iheight = 0;
RColor rcolor;
GETSTRORGOTO(val, tmp, 1, error);
/*
if (toupper(type[0]) == 'T' || toupper(type[0]) == 'C')
pixmap = LoadJPEG(rc, tmp, &iwidth, &iheight);
*/
if (!pixmap) {
image = loadImage(rc, tmp);
if (!image) {
goto error;
}
iwidth = image->width;
iheight = image->height;
}
/* cannot use GETSTRORGOTO() here
* as we have to free image in case of error */
val = WMGetFromPLArray(texarray, 2);
if (!WMIsPLString(val)) {
wwarning("could not parse texture %s", text);
RReleaseImage(image);
goto error;
}
tmp = WMGetFromPLString(val);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
RReleaseImage(image);
goto error;
}
if (!XAllocColor(dpy, DefaultColormap(dpy, scr), &color)) {
rcolor.red = color.red >> 8;
rcolor.green = color.green >> 8;
rcolor.blue = color.blue >> 8;
RGetClosestXColor(rc, &rcolor, &color);
} else {
rcolor.red = 0;
rcolor.green = 0;
rcolor.blue = 0;
}
/* for images with a transparent color */
if (image && image->data[3])
RCombineImageWithColor(image, &rcolor);
switch (toupper(type[0])) {
case 'T':
texture->width = iwidth;
texture->height = iheight;
if (!pixmap && !RConvertImage(rc, image, &pixmap)) {
wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
RReleaseImage(image);
goto error;
}
texture->pixmap = pixmap;
texture->color = color;
break;
case 'S':
case 'M':
case 'C':
case 'F':
{
Pixmap tpixmap =
XCreatePixmap(dpy, root, scrWidth, scrHeight, DefaultDepth(dpy, scr));
XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
XFillRectangle(dpy, tpixmap, DefaultGC(dpy, scr), 0, 0, scrWidth, scrHeight);
texture->pixmap = tpixmap;
texture->color = color;
texture->width = scrWidth;
texture->height = scrHeight;
if (!image)
break;
#ifdef USE_XINERAMA
if (xineInfo.count && ! xineStretch) {
int i;
for (i = 0; i < xineInfo.count; ++i) {
applyImage(rc, texture, image, type[0],
xineInfo.screens[i].pos.x, xineInfo.screens[i].pos.y,
xineInfo.screens[i].size.width,
xineInfo.screens[i].size.height);
}
} else {
applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
}
#else /* !USE_XINERAMA */
applyImage(rc, texture, image, type[0], 0, 0, scrWidth, scrHeight);
#endif /* !USE_XINERAMA */
}
break;
}
if (image)
RReleaseImage(image);
} else if (strcasecmp(type, "thgradient") == 0
|| strcasecmp(type, "tvgradient") == 0 || strcasecmp(type, "tdgradient") == 0) {
XColor color;
RColor color1, color2;
RImage *image;
RImage *gradient;
RImage *tiled;
Pixmap pixmap;
int opaq;
char *file;
RGradientStyle gtype;
int twidth, theight;
GETSTRORGOTO(val, file, 1, error);
GETSTRORGOTO(val, tmp, 2, error);
opaq = atoi(tmp);
GETSTRORGOTO(val, tmp, 3, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
color1.red = color.red >> 8;
color1.green = color.green >> 8;
color1.blue = color.blue >> 8;
GETSTRORGOTO(val, tmp, 4, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
color2.red = color.red >> 8;
color2.green = color.green >> 8;
color2.blue = color.blue >> 8;
image = loadImage(rc, file);
if (!image) {
goto error;
}
switch (type[1]) {
case 'h':
case 'H':
gtype = RHorizontalGradient;
twidth = scrWidth;
theight = image->height > scrHeight ? scrHeight : image->height;
break;
case 'V':
case 'v':
gtype = RVerticalGradient;
twidth = image->width > scrWidth ? scrWidth : image->width;
theight = scrHeight;
break;
default:
gtype = RDiagonalGradient;
twidth = scrWidth;
theight = scrHeight;
break;
}
gradient = RRenderGradient(twidth, theight, &color1, &color2, gtype);
if (!gradient) {
wwarning("could not render texture:%s", RMessageForError(RErrorCode));
RReleaseImage(image);
goto error;
}
tiled = RMakeTiledImage(image, twidth, theight);
if (!tiled) {
wwarning("could not render texture:%s", RMessageForError(RErrorCode));
RReleaseImage(gradient);
RReleaseImage(image);
goto error;
}
RReleaseImage(image);
RCombineImagesWithOpaqueness(tiled, gradient, opaq);
RReleaseImage(gradient);
if (!RConvertImage(rc, tiled, &pixmap)) {
wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
RReleaseImage(tiled);
goto error;
}
texture->width = tiled->width;
texture->height = tiled->height;
RReleaseImage(tiled);
texture->pixmap = pixmap;
} else if (strcasecmp(type, "function") == 0) {
/* Leave this in to handle the unlikely case of
* someone actually having function textures configured */
wwarning("function texture support has been removed");
goto error;
} else {
wwarning("invalid texture type %s", text);
goto error;
}
texture->spec = wstrdup(text);
return texture;
error:
if (texture)
wfree(texture);
if (texarray)
WMReleasePropList(texarray);
return NULL;
}
static void freeTexture(BackgroundTexture * texture)
{
if (texture->solid) {
unsigned long pixel[1];
pixel[0] = texture->color.pixel;
/* dont free black/white pixels */
if (pixel[0] != BlackPixelOfScreen(DefaultScreenOfDisplay(dpy))
&& pixel[0] != WhitePixelOfScreen(DefaultScreenOfDisplay(dpy)))
XFreeColors(dpy, DefaultColormap(dpy, scr), pixel, 1, 0);
}
if (texture->pixmap) {
XFreePixmap(dpy, texture->pixmap);
}
wfree(texture->spec);
wfree(texture);
}
static void setupTexture(RContext * rc, BackgroundTexture ** textures, int *maxTextures, int workspace, char *texture)
{
BackgroundTexture *newTexture = NULL;
int i;
/* unset the texture */
if (!texture) {
if (textures[workspace] != NULL) {
textures[workspace]->refcount--;
if (textures[workspace]->refcount == 0)
freeTexture(textures[workspace]);
}
textures[workspace] = NULL;
return;
}
if (textures[workspace]
&& strcasecmp(textures[workspace]->spec, texture) == 0) {
/* texture did not change */
return;
}
/* check if the same texture is already created */
for (i = 0; i < *maxTextures; i++) {
if (textures[i] && strcasecmp(textures[i]->spec, texture) == 0) {
newTexture = textures[i];
break;
}
}
if (!newTexture) {
/* create the texture */
newTexture = parseTexture(rc, texture);
}
if (!newTexture)
return;
if (textures[workspace] != NULL) {
textures[workspace]->refcount--;
if (textures[workspace]->refcount == 0)
freeTexture(textures[workspace]);
}
newTexture->refcount++;
textures[workspace] = newTexture;
if (*maxTextures < workspace)
*maxTextures = workspace;
}
static Pixmap duplicatePixmap(Pixmap pixmap, int width, int height)
{
Display *tmpDpy;
Pixmap copyP;
/* must open a new display or the RetainPermanent will
* leave stuff allocated in RContext unallocated after exit */
tmpDpy = XOpenDisplay(display);
if (!tmpDpy) {
wwarning("could not open display to update background image information");
return None;
} else {
XSync(dpy, False);
copyP = XCreatePixmap(tmpDpy, root, width, height, DefaultDepth(tmpDpy, scr));
XCopyArea(tmpDpy, pixmap, copyP, DefaultGC(tmpDpy, scr), 0, 0, width, height, 0, 0);
XSync(tmpDpy, False);
XSetCloseDownMode(tmpDpy, RetainPermanent);
XCloseDisplay(tmpDpy);
}
return copyP;
}
static int dummyErrorHandler(Display * dpy, XErrorEvent * err)
{
/* Parameter not used, but tell the compiler that it is ok */
(void) dpy;
(void) err;
return 0;
}
static void setPixmapProperty(Pixmap pixmap)
{
static Atom prop = 0;
Atom type;
int format;
unsigned long length, after;
unsigned char *data;
int mode;
if (!prop) {
prop = XInternAtom(dpy, "_XROOTPMAP_ID", False);
}
XGrabServer(dpy);
/* Clear out the old pixmap */
XGetWindowProperty(dpy, root, prop, 0L, 1L, False, AnyPropertyType,
&type, &format, &length, &after, &data);
if ((type == XA_PIXMAP) && (format == 32) && (length == 1)) {
XSetErrorHandler(dummyErrorHandler);
XKillClient(dpy, *((Pixmap *) data));
XSync(dpy, False);
XSetErrorHandler(NULL);
mode = PropModeReplace;
} else {
mode = PropModeAppend;
}
if (pixmap)
XChangeProperty(dpy, root, prop, XA_PIXMAP, 32, mode, (unsigned char *)&pixmap, 1);
else
XDeleteProperty(dpy, root, prop);
XUngrabServer(dpy);
XFlush(dpy);
}
static void changeTexture(BackgroundTexture * texture)
{
if (!texture) {
return;
}
if (texture->solid) {
XSetWindowBackground(dpy, root, texture->color.pixel);
} else {
XSetWindowBackgroundPixmap(dpy, root, texture->pixmap);
}
XClearWindow(dpy, root);
XSync(dpy, False);
{
Pixmap pixmap;
pixmap = duplicatePixmap(texture->pixmap, texture->width, texture->height);
setPixmapProperty(pixmap);
}
}
static int readmsg(int fd, char *buffer, int size)
{
int count;
while (size > 0) {
count = read(fd, buffer, size);
if (count < 0)
return -1;
size -= count;
buffer += count;
*buffer = 0;
}
return size;
}
/*
* Message Format:
* sizeSntexture_spec - sets the texture for workspace n
* sizeCn - change background texture to the one for workspace n
* sizePpath - set the pixmap search path
*
* n is 4 bytes
* size = 4 bytes for length of the message data
*/
static noreturn void helperLoop(RContext * rc)
{
BackgroundTexture *textures[WORKSPACE_COUNT];
int maxTextures = 0;
char buffer[2048], buf[8];
int size;
int errcount = 4;
memset(textures, 0, WORKSPACE_COUNT * sizeof(BackgroundTexture *));
memset(buffer, 0, sizeof(buffer));
while (1) {
int workspace = -1;
/* get length of message */
if (readmsg(0, buffer, 4) < 0) {
werror("error reading message from Window Maker");
errcount--;
if (errcount == 0) {
wfatal("quitting");
quit(1);
}
continue;
}
memcpy(buf, buffer, 4);
buf[4] = 0;
size = atoi(buf);
if (size < 0 || size > sizeof(buffer)) {
wfatal("received invalid size %d for message from WindowMaker", size);
quit(1);
}
if (size == 0) {
werror("received 0-sized message from WindowMaker, trying to continue");
continue;
}
/* get message */
if (readmsg(0, buffer, size) < 0) {
werror("error reading message from Window Maker");
errcount--;
if (errcount == 0) {
wfatal("quitting");
quit(1);
}
continue;
}
#ifdef DEBUG
printf("RECEIVED %s\n", buffer);
#endif
if (buffer[0] != 'P' && buffer[0] != 'K') {
memcpy(buf, &buffer[1], 4);
buf[4] = 0;
workspace = atoi(buf);
if (workspace < 0 || workspace >= WORKSPACE_COUNT) {
wwarning("received message with invalid workspace number %i", workspace);
continue;
}
}
switch (buffer[0]) {
case 'S':
#ifdef DEBUG
printf("set texture %s\n", &buffer[5]);
#endif
setupTexture(rc, textures, &maxTextures, workspace, &buffer[5]);
break;
case 'C':
#ifdef DEBUG
printf("change texture %i\n", workspace);
#endif
if (!textures[workspace]) {
changeTexture(textures[0]);
} else {
changeTexture(textures[workspace]);
}
break;
case 'P':
#ifdef DEBUG
printf("change pixmappath %s\n", &buffer[1]);
#endif
if (PixmapPath)
wfree(PixmapPath);
PixmapPath = wstrdup(&buffer[1]);
break;
case 'U':
#ifdef DEBUG
printf("unset workspace %i\n", workspace);
#endif
setupTexture(rc, textures, &maxTextures, workspace, NULL);
break;
case 'K':
#ifdef DEBUG
printf("exit command\n");
#endif
quit(0);
default: