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777 lines
16 KiB
777 lines
16 KiB
/* -- solid.c -- */
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#include "x11vnc.h"
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#include "win_utils.h"
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#include "xwrappers.h"
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#include "connections.h"
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#include "cleanup.h"
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char *guess_desktop(void);
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void solid_bg(int restore);
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static void usr_bin_path(int restore);
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static int dt_cmd(char *cmd);
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static char *cmd_output(char *cmd);
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static void solid_root(char *color);
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static void solid_cde(char *color);
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static void solid_gnome(char *color);
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static void solid_kde(char *color);
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static void usr_bin_path(int restore) {
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static char *oldpath = NULL;
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char *newpath;
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char addpath[] = "/usr/bin:/bin:";
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if (restore) {
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if (oldpath) {
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set_env("PATH", oldpath);
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free(oldpath);
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oldpath = NULL;
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}
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return;
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}
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if (getenv("PATH")) {
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oldpath = strdup(getenv("PATH"));
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} else {
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oldpath = strdup("/usr/bin");
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}
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newpath = (char *) malloc(strlen(oldpath) + strlen(addpath) + 1);
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newpath[0] = '\0';
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strcat(newpath, addpath);
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strcat(newpath, oldpath);
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set_env("PATH", newpath);
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free(newpath);
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}
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static int dt_cmd(char *cmd) {
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int rc;
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RAWFB_RET(0)
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if (!cmd || *cmd == '\0') {
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return 0;
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}
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/* dt */
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if (no_external_cmds || !cmd_ok("dt")) {
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rfbLog("cannot run external commands in -nocmds mode:\n");
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rfbLog(" \"%s\"\n", cmd);
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rfbLog(" dt_cmd: returning 1\n");
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return 1;
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}
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if (getenv("DISPLAY") == NULL) {
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set_env("DISPLAY", DisplayString(dpy));
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}
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rfbLog("running command:\n %s\n", cmd);
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usr_bin_path(0);
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close_exec_fds();
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rc = system(cmd);
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usr_bin_path(1);
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if (rc >= 256) {
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rc = rc/256;
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}
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return rc;
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}
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static char *cmd_output(char *cmd) {
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FILE *p;
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static char output[50000];
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char line[1024];
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int rc;
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if (!cmd || *cmd == '\0') {
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return "";
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}
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if (no_external_cmds) {
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rfbLog("cannot run external commands in -nocmds mode:\n");
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rfbLog(" \"%s\"\n", cmd);
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rfbLog(" cmd_output: null string.\n");
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return "";
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}
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rfbLog("running pipe:\n %s\n", cmd);
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usr_bin_path(0);
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close_exec_fds();
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p = popen(cmd, "r");
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usr_bin_path(1);
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output[0] = '\0';
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while (fgets(line, 1024, p) != NULL) {
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if (strlen(output) + strlen(line) + 1 < 50000) {
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strcat(output, line);
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}
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}
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rc = pclose(p);
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return(output);
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}
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static void solid_root(char *color) {
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Window expose;
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static XImage *image = NULL;
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Pixmap pixmap;
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XGCValues gcv;
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GC gc;
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XSetWindowAttributes swa;
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Visual visual;
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unsigned long mask, pixel;
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XColor cdef;
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Colormap cmap;
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RAWFB_RET_VOID
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#if NO_X11
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return;
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#else
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if (subwin || window != rootwin) {
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rfbLog("cannot set subwin to solid color, must be rootwin\n");
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return;
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}
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/* create the "clear" window just for generating exposures */
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swa.override_redirect = True;
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swa.backing_store = NotUseful;
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swa.save_under = False;
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swa.background_pixmap = None;
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visual.visualid = CopyFromParent;
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mask = (CWOverrideRedirect|CWBackingStore|CWSaveUnder|CWBackPixmap);
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expose = XCreateWindow(dpy, window, 0, 0, wdpy_x, wdpy_y, 0, depth,
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InputOutput, &visual, mask, &swa);
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if (! color) {
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/* restore the root window from the XImage snapshot */
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pixmap = XCreatePixmap(dpy, window, wdpy_x, wdpy_y, depth);
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if (! image) {
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/* whoops */
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XDestroyWindow(dpy, expose);
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rfbLog("no root snapshot available.\n");
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return;
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}
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/* draw the image to a pixmap: */
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gcv.function = GXcopy;
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gcv.plane_mask = AllPlanes;
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gc = XCreateGC(dpy, window, GCFunction|GCPlaneMask, &gcv);
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XPutImage(dpy, pixmap, gc, image, 0, 0, 0, 0, wdpy_x, wdpy_y);
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gcv.foreground = gcv.background = BlackPixel(dpy, scr);
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gc = XCreateGC(dpy, window, GCForeground|GCBackground, &gcv);
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rfbLog("restoring root snapshot...\n");
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/* set the pixmap as the bg: */
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XSetWindowBackgroundPixmap(dpy, window, pixmap);
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XFreePixmap(dpy, pixmap);
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XClearWindow(dpy, window);
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XFlush_wr(dpy);
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/* generate exposures */
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XMapWindow(dpy, expose);
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XSync(dpy, False);
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XDestroyWindow(dpy, expose);
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return;
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}
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if (! image) {
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/* need to retrieve a snapshot of the root background: */
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Window iwin;
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XSetWindowAttributes iswa;
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/* create image window: */
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iswa.override_redirect = True;
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iswa.backing_store = NotUseful;
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iswa.save_under = False;
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iswa.background_pixmap = ParentRelative;
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iwin = XCreateWindow(dpy, window, 0, 0, wdpy_x, wdpy_y, 0,
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depth, InputOutput, &visual, mask, &iswa);
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rfbLog("snapshotting background...\n");
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XMapWindow(dpy, iwin);
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XSync(dpy, False);
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image = XGetImage(dpy, iwin, 0, 0, wdpy_x, wdpy_y, AllPlanes,
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ZPixmap);
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XSync(dpy, False);
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XDestroyWindow(dpy, iwin);
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}
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/* use black for low colors or failure */
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pixel = BlackPixel(dpy, scr);
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if (depth > 8 || strcmp(color, solid_default)) {
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cmap = DefaultColormap (dpy, scr);
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if (XParseColor(dpy, cmap, color, &cdef) &&
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XAllocColor(dpy, cmap, &cdef)) {
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pixel = cdef.pixel;
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} else {
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rfbLog("error parsing/allocing color: %s\n", color);
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}
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}
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rfbLog("setting solid background...\n");
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XSetWindowBackground(dpy, window, pixel);
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XMapWindow(dpy, expose);
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XSync(dpy, False);
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XDestroyWindow(dpy, expose);
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#endif /* NO_X11 */
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}
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static void solid_cde(char *color) {
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int wsmax = 16;
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static XImage *image[16];
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static Window ws_wins[16];
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static int nws = -1;
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Window expose;
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Pixmap pixmap;
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XGCValues gcv;
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GC gc;
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XSetWindowAttributes swa;
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Visual visual;
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unsigned long mask, pixel;
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XColor cdef;
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Colormap cmap;
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int n;
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RAWFB_RET_VOID
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#if NO_X11
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return;
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#else
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if (subwin || window != rootwin) {
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rfbLog("cannot set subwin to solid color, must be rootwin\n");
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return;
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}
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/* create the "clear" window just for generating exposures */
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swa.override_redirect = True;
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swa.backing_store = NotUseful;
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swa.save_under = False;
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swa.background_pixmap = None;
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visual.visualid = CopyFromParent;
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mask = (CWOverrideRedirect|CWBackingStore|CWSaveUnder|CWBackPixmap);
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expose = XCreateWindow(dpy, window, 0, 0, wdpy_x, wdpy_y, 0, depth,
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InputOutput, &visual, mask, &swa);
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if (! color) {
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/* restore the backdrop windows from the XImage snapshots */
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for (n=0; n < nws; n++) {
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Window twin;
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if (! image[n]) {
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continue;
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}
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twin = ws_wins[n];
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if (! twin) {
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twin = rootwin;
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}
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if (! valid_window(twin, NULL, 0)) {
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continue;
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}
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pixmap = XCreatePixmap(dpy, twin, wdpy_x, wdpy_y,
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depth);
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/* draw the image to a pixmap: */
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gcv.function = GXcopy;
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gcv.plane_mask = AllPlanes;
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gc = XCreateGC(dpy, twin, GCFunction|GCPlaneMask, &gcv);
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XPutImage(dpy, pixmap, gc, image[n], 0, 0, 0, 0,
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wdpy_x, wdpy_y);
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gcv.foreground = gcv.background = BlackPixel(dpy, scr);
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gc = XCreateGC(dpy, twin, GCForeground|GCBackground,
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&gcv);
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rfbLog("restoring CDE ws%d snapshot to 0x%lx\n",
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n, twin);
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/* set the pixmap as the bg: */
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XSetWindowBackgroundPixmap(dpy, twin, pixmap);
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XFreePixmap(dpy, pixmap);
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XClearWindow(dpy, twin);
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XFlush_wr(dpy);
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}
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/* generate exposures */
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XMapWindow(dpy, expose);
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XSync(dpy, False);
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XDestroyWindow(dpy, expose);
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return;
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}
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if (nws < 0) {
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/* need to retrieve snapshots of the ws backgrounds: */
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Window iwin, wm_win;
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XSetWindowAttributes iswa;
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Atom dt_list, wm_info, type;
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int format;
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unsigned long length, after;
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unsigned char *data;
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unsigned long *dp; /* crash on 64bit with int */
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nws = 0;
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/* extract the hidden wm properties about backdrops: */
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wm_info = XInternAtom(dpy, "_MOTIF_WM_INFO", True);
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if (wm_info == None) {
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return;
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}
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XGetWindowProperty(dpy, rootwin, wm_info, 0L, 10L, False,
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AnyPropertyType, &type, &format, &length, &after, &data);
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/*
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* xprop -notype -root _MOTIF_WM_INFO
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* _MOTIF_WM_INFO = 0x2, 0x580028
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*/
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if (length < 2 || format != 32 || after != 0) {
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return;
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}
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dp = (unsigned long *) data;
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wm_win = (Window) *(dp+1); /* 2nd item. */
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dt_list = XInternAtom(dpy, "_DT_WORKSPACE_LIST", True);
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if (dt_list == None) {
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return;
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}
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XGetWindowProperty(dpy, wm_win, dt_list, 0L, 10L, False,
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AnyPropertyType, &type, &format, &length, &after, &data);
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nws = length;
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if (nws > wsmax) {
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nws = wsmax;
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}
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if (nws < 0) {
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nws = 0;
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}
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rfbLog("special CDE win: 0x%lx, %d workspaces\n", wm_win, nws);
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if (nws == 0) {
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return;
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}
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for (n=0; n<nws; n++) {
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Atom ws_atom;
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char tmp[32];
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Window twin;
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XWindowAttributes attr;
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int i, cnt;
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image[n] = NULL;
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ws_wins[n] = 0x0;
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sprintf(tmp, "_DT_WORKSPACE_INFO_ws%d", n);
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ws_atom = XInternAtom(dpy, tmp, False);
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if (ws_atom == None) {
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continue;
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}
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XGetWindowProperty(dpy, wm_win, ws_atom, 0L, 100L,
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False, AnyPropertyType, &type, &format, &length,
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&after, &data);
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if (format != 8 || after != 0) {
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continue;
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}
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/*
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* xprop -notype -id wm_win
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* _DT_WORKSPACE_INFO_ws0 = "One", "3", "0x2f2f4a",
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* "0x63639c", "0x103", "1", "0x58044e"
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*/
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cnt = 0;
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twin = 0x0;
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for (i=0; i< (int) length; i++) {
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if (*(data+i) != '\0') {
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continue;
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}
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cnt++; /* count nulls to indicate field */
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if (cnt == 6) {
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/* one past the null: */
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char *q = (char *) (data+i+1);
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unsigned long in;
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if (sscanf(q, "0x%lx", &in) == 1) {
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twin = (Window) in;
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break;
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}
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}
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}
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ws_wins[n] = twin;
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if (! twin) {
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twin = rootwin;
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}
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XGetWindowAttributes(dpy, twin, &attr);
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if (twin != rootwin) {
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if (attr.map_state != IsViewable) {
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XMapWindow(dpy, twin);
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}
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XRaiseWindow(dpy, twin);
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}
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XSync(dpy, False);
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/* create image window: */
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iswa.override_redirect = True;
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iswa.backing_store = NotUseful;
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iswa.save_under = False;
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iswa.background_pixmap = ParentRelative;
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visual.visualid = CopyFromParent;
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iwin = XCreateWindow(dpy, twin, 0, 0, wdpy_x, wdpy_y,
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0, depth, InputOutput, &visual, mask, &iswa);
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rfbLog("snapshotting CDE backdrop ws%d 0x%lx -> "
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"0x%lx ...\n", n, twin, iwin);
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XMapWindow(dpy, iwin);
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XSync(dpy, False);
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image[n] = XGetImage(dpy, iwin, 0, 0, wdpy_x, wdpy_y,
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AllPlanes, ZPixmap);
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XSync(dpy, False);
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XDestroyWindow(dpy, iwin);
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if (twin != rootwin) {
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XLowerWindow(dpy, twin);
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if (attr.map_state != IsViewable) {
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XUnmapWindow(dpy, twin);
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}
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}
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}
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}
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if (nws == 0) {
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return;
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}
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/* use black for low colors or failure */
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pixel = BlackPixel(dpy, scr);
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if (depth > 8 || strcmp(color, solid_default)) {
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cmap = DefaultColormap (dpy, scr);
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if (XParseColor(dpy, cmap, color, &cdef) &&
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XAllocColor(dpy, cmap, &cdef)) {
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pixel = cdef.pixel;
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} else {
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rfbLog("error parsing/allocing color: %s\n", color);
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}
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}
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rfbLog("setting solid backgrounds...\n");
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for (n=0; n < nws; n++) {
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Window twin = ws_wins[n];
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if (image[n] == NULL) {
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continue;
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}
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if (! twin) {
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twin = rootwin;
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}
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XSetWindowBackground(dpy, twin, pixel);
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}
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XMapWindow(dpy, expose);
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XSync(dpy, False);
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XDestroyWindow(dpy, expose);
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#endif /* NO_X11 */
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}
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static void solid_gnome(char *color) {
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char get_color[] = "gconftool-2 --get "
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"/desktop/gnome/background/primary_color";
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char set_color[] = "gconftool-2 --set "
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"/desktop/gnome/background/primary_color --type string '%s'";
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char get_option[] = "gconftool-2 --get "
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"/desktop/gnome/background/picture_options";
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char set_option[] = "gconftool-2 --set "
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"/desktop/gnome/background/picture_options --type string '%s'";
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static char *orig_color = NULL;
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static char *orig_option = NULL;
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char *cmd;
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RAWFB_RET_VOID
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#if NO_X11
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return;
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#else
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if (! color) {
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if (! orig_color) {
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orig_color = strdup("#FFFFFF");
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}
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if (! orig_option) {
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orig_option = strdup("stretched");
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}
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if (strstr(orig_color, "'") != NULL) {
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rfbLog("invalid color: %s\n", orig_color);
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return;
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}
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if (strstr(orig_option, "'") != NULL) {
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rfbLog("invalid option: %s\n", orig_option);
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return;
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}
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cmd = (char *) malloc(strlen(set_option) - 2 +
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strlen(orig_option) + 1);
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sprintf(cmd, set_option, orig_option);
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dt_cmd(cmd);
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free(cmd);
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cmd = (char *) malloc(strlen(set_color) - 2 +
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strlen(orig_color) + 1);
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sprintf(cmd, set_color, orig_color);
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dt_cmd(cmd);
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free(cmd);
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return;
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}
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if (! orig_color) {
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char *q;
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if (cmd_ok("dt")) {
|
|
orig_color = strdup(cmd_output(get_color));
|
|
} else {
|
|
orig_color = "";
|
|
}
|
|
if (*orig_color == '\0') {
|
|
orig_color = strdup("#FFFFFF");
|
|
}
|
|
if ((q = strchr(orig_color, '\n')) != NULL) {
|
|
*q = '\0';
|
|
}
|
|
}
|
|
if (! orig_option) {
|
|
char *q;
|
|
if (cmd_ok("dt")) {
|
|
orig_option = strdup(cmd_output(get_option));
|
|
} else {
|
|
orig_color = "";
|
|
}
|
|
if (*orig_option == '\0') {
|
|
orig_option = strdup("stretched");
|
|
}
|
|
if ((q = strchr(orig_option, '\n')) != NULL) {
|
|
*q = '\0';
|
|
}
|
|
}
|
|
if (strstr(color, "'") != NULL) {
|
|
rfbLog("invalid color: %s\n", color);
|
|
return;
|
|
}
|
|
cmd = (char *) malloc(strlen(set_color) + strlen(color) + 1);
|
|
sprintf(cmd, set_color, color);
|
|
dt_cmd(cmd);
|
|
free(cmd);
|
|
|
|
cmd = (char *) malloc(strlen(set_option) + strlen("none") + 1);
|
|
sprintf(cmd, set_option, "none");
|
|
dt_cmd(cmd);
|
|
free(cmd);
|
|
#endif /* NO_X11 */
|
|
}
|
|
|
|
static void solid_kde(char *color) {
|
|
char set_color[] =
|
|
"dcop --user '%s' kdesktop KBackgroundIface setColor '%s' 1";
|
|
char bg_off[] =
|
|
"dcop --user '%s' kdesktop KBackgroundIface setBackgroundEnabled 0";
|
|
char bg_on[] =
|
|
"dcop --user '%s' kdesktop KBackgroundIface setBackgroundEnabled 1";
|
|
char *cmd, *user = NULL;
|
|
int len;
|
|
|
|
RAWFB_RET_VOID
|
|
#if NO_X11
|
|
return;
|
|
#else
|
|
|
|
user = get_user_name();
|
|
if (strstr(user, "'") != NULL) {
|
|
rfbLog("invalid user: %s\n", user);
|
|
free(user);
|
|
return;
|
|
}
|
|
|
|
if (! color) {
|
|
len = strlen(bg_on) + strlen(user) + 1;
|
|
cmd = (char *) malloc(len);
|
|
sprintf(cmd, bg_on, user);
|
|
dt_cmd(cmd);
|
|
free(cmd);
|
|
free(user);
|
|
|
|
return;
|
|
}
|
|
|
|
if (strstr(color, "'") != NULL) {
|
|
rfbLog("invalid color: %s\n", color);
|
|
return;
|
|
}
|
|
|
|
len = strlen(set_color) + strlen(user) + strlen(color) + 1;
|
|
cmd = (char *) malloc(len);
|
|
sprintf(cmd, set_color, user, color);
|
|
dt_cmd(cmd);
|
|
free(cmd);
|
|
|
|
len = strlen(bg_off) + strlen(user) + 1;
|
|
cmd = (char *) malloc(len);
|
|
sprintf(cmd, bg_off, user);
|
|
dt_cmd(cmd);
|
|
free(cmd);
|
|
free(user);
|
|
#endif /* NO_X11 */
|
|
}
|
|
|
|
char *guess_desktop(void) {
|
|
Atom prop;
|
|
|
|
RAWFB_RET("root")
|
|
#if NO_X11
|
|
return "root";
|
|
#else
|
|
|
|
if (wmdt_str && *wmdt_str != '\0') {
|
|
char *s = wmdt_str;
|
|
lowercase(s);
|
|
if (strstr(s, "xfce")) {
|
|
return "xfce";
|
|
}
|
|
if (strstr(s, "gnome") || strstr(s, "metacity")) {
|
|
return "gnome";
|
|
}
|
|
if (strstr(s, "kde") || strstr(s, "kwin")) {
|
|
return "kde";
|
|
}
|
|
if (strstr(s, "cde")) {
|
|
return "cde";
|
|
}
|
|
return "root";
|
|
}
|
|
|
|
if (! dpy) {
|
|
return "";
|
|
}
|
|
|
|
prop = XInternAtom(dpy, "XFCE_DESKTOP_WINDOW", True);
|
|
if (prop != None) return "xfce";
|
|
|
|
/* special case windowmaker */
|
|
prop = XInternAtom(dpy, "_WINDOWMAKER_WM_PROTOCOLS", True);
|
|
if (prop != None) return "root";
|
|
|
|
prop = XInternAtom(dpy, "_WINDOWMAKER_COMMAND", True);
|
|
if (prop != None) return "root";
|
|
|
|
prop = XInternAtom(dpy, "NAUTILUS_DESKTOP_WINDOW_ID", True);
|
|
if (prop != None) return "gnome";
|
|
|
|
prop = XInternAtom(dpy, "KWIN_RUNNING", True);
|
|
if (prop != None) {
|
|
prop = XInternAtom(dpy, "_KDE_RUNNING", True);
|
|
if (prop != None) {
|
|
prop = XInternAtom(dpy, "KDE_DESKTOP_WINDOW", True);
|
|
if (prop != None) return "kde";
|
|
}
|
|
}
|
|
|
|
prop = XInternAtom(dpy, "_MOTIF_WM_INFO", True);
|
|
if (prop != None) {
|
|
prop = XInternAtom(dpy, "_DT_WORKSPACE_LIST", True);
|
|
if (prop != None) return "cde";
|
|
}
|
|
return "root";
|
|
#endif /* NO_X11 */
|
|
}
|
|
|
|
void solid_bg(int restore) {
|
|
static int desktop = -1;
|
|
static int solid_on = 0;
|
|
static char *prev_str;
|
|
char *dtname, *color;
|
|
|
|
RAWFB_RET_VOID
|
|
|
|
if (started_as_root == 1 && users_list) {
|
|
/* we are still root, don't try. */
|
|
return;
|
|
}
|
|
|
|
if (restore) {
|
|
if (! solid_on) {
|
|
return;
|
|
}
|
|
if (desktop == 0) {
|
|
solid_root(NULL);
|
|
} else if (desktop == 1) {
|
|
solid_gnome(NULL);
|
|
} else if (desktop == 2) {
|
|
solid_kde(NULL);
|
|
} else if (desktop == 3) {
|
|
solid_cde(NULL);
|
|
}
|
|
solid_on = 0;
|
|
return;
|
|
}
|
|
if (! solid_str) {
|
|
return;
|
|
}
|
|
if (solid_on && !strcmp(prev_str, solid_str)) {
|
|
return;
|
|
}
|
|
if (strstr(solid_str, "guess:") == solid_str
|
|
|| !strchr(solid_str, ':')) {
|
|
dtname = guess_desktop();
|
|
rfbLog("guessed desktop: %s\n", dtname);
|
|
} else {
|
|
if (strstr(solid_str, "gnome:") == solid_str) {
|
|
dtname = "gnome";
|
|
} else if (strstr(solid_str, "kde:") == solid_str) {
|
|
dtname = "kde";
|
|
} else if (strstr(solid_str, "cde:") == solid_str) {
|
|
dtname = "cde";
|
|
} else {
|
|
dtname = "root";
|
|
}
|
|
}
|
|
|
|
color = strchr(solid_str, ':');
|
|
if (! color) {
|
|
color = solid_str;
|
|
} else {
|
|
color++;
|
|
if (*color == '\0') {
|
|
color = solid_default;
|
|
}
|
|
}
|
|
if (!strcmp(dtname, "gnome")) {
|
|
desktop = 1;
|
|
solid_gnome(color);
|
|
} else if (!strcmp(dtname, "kde")) {
|
|
desktop = 2;
|
|
solid_kde(color);
|
|
} else if (!strcmp(dtname, "cde")) {
|
|
desktop = 3;
|
|
solid_cde(color);
|
|
} else {
|
|
desktop = 0;
|
|
solid_root(color);
|
|
}
|
|
if (prev_str) {
|
|
free(prev_str);
|
|
}
|
|
prev_str = strdup(solid_str);
|
|
solid_on = 1;
|
|
}
|
|
|
|
|