From e6fe93529745f1d7da17f5f9f0eaccbf1c17ccae Mon Sep 17 00:00:00 2001 From: Ujjwal Verma Date: Thu, 31 Aug 2017 00:52:24 +0530 Subject: [PATCH] First Commit --- README.md | 45 ++++ xwinwrap.c | 692 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 737 insertions(+) create mode 100644 README.md create mode 100644 xwinwrap.c diff --git a/README.md b/README.md new file mode 100644 index 0000000..aaa0498 --- /dev/null +++ b/README.md @@ -0,0 +1,45 @@ +# Xwinwrap + +My fork of xwinwrap. +Xwinwrap allows you to stick most of the apps to your desktop background. +My use case - can use gif as a background + +### Compiling + +`gcc -Wall xwinwrap.c -lX11 -lXext -lXrender -g -o xwinwrap` + +You may have to use `-L` flag to specify directory for xlib. +e.g. `gcc -Wall xwinwrap.c -L /usr/lib/x86_64-linux-gnu -lX11 -lXext -lXrender -g -o xwinwrap` + +### Usage + +``` +Usage: xwinwrap [-g {w}x{h}+{x}+{y}] [-ni] [-argb] [-fs] [-s] [-st] [-sp] [-a] [-b] [-nf] [-o OPACITY] [-sh SHAPE] [-ov]-- COMMAND ARG1... +Options: + -g - Specify Geometry (w=width, h=height, x=x-coord, y=y-coord. ex: -g 640x480+100+100) + -ni - Ignore Input + -argb - RGB + -fs - Full Screen + -un - Undecorated + -s - Sticky + -st - Skip Taskbar + -sp - Skip Pager + -a - Above + -b - Below + -nf - No Focus + -o - Opacity value between 0 to 1 (ex: -o 0.20) + -sh - Shape of window (choose between rectangle, circle or triangle. Default is rectangle) + -ov - Set override_redirect flag (For seamless desktop background integration in non-fullscreenmode) + -debug - Enable debug messages +``` +Example +`./xwinwrap -g 400x400 -ni -s -nf -b -un -argb -sh circle -- gifview -w WID mygif.gif -a` + +### Changes + +* Added ability to make undecorated window +* Changed how desktop window is found +* Refactored window hints + +---- +Original source - https://launchpad.net/xwinwrap diff --git a/xwinwrap.c b/xwinwrap.c new file mode 100644 index 0000000..487f58e --- /dev/null +++ b/xwinwrap.c @@ -0,0 +1,692 @@ +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define WIDTH 512 +#define HEIGHT 384 + +#define OPAQUE 0xffffffff + +#define NAME "xwinwrap" + +#define ATOM(a) XInternAtom(display, #a, False) + +Display *display = NULL; +int display_width; +int display_height; +int screen; + +typedef enum +{ + SHAPE_RECT = 0, + SHAPE_CIRCLE, + SHAPE_TRIG, +} win_shape; + +struct window { + Window root, window, desktop; + Drawable drawable; + Visual *visual; + Colormap colourmap; + + unsigned int width; + unsigned int height; + int x; + int y; +} window; + +bool debug = false; + +static pid_t pid = 0; + +static char **childArgv = 0; +static int nChildArgv = 0; + +static int addArguments (char **argv, int n) +{ + char **newArgv; + int i; + + newArgv = realloc (childArgv, sizeof (char *) * (nChildArgv + n)); + if (!newArgv) + return 0; + + for (i = 0; i < n; i++) + newArgv[nChildArgv + i] = argv[i]; + + childArgv = newArgv; + nChildArgv += n; + + return n; +} + +static void setWindowOpacity (unsigned int opacity) +{ + CARD32 o; + + o = opacity; + + XChangeProperty (display, window.window, ATOM(_NET_WM_WINDOW_OPACITY), + XA_CARDINAL, 32, PropModeReplace, + (unsigned char *) &o, 1); +} + +static void init_x11() +{ + display = XOpenDisplay (NULL); + if (!display) + { + fprintf (stderr, NAME": Error: couldn't open display\n"); + return; + } + screen = DefaultScreen(display); + display_width = DisplayWidth(display, screen); + display_height = DisplayHeight(display, screen); +} + +static int get_argb_visual(Visual** visual, int *depth) { + XVisualInfo visual_template; + XVisualInfo *visual_list; + int nxvisuals = 0, i; + + visual_template.screen = screen; + visual_list = XGetVisualInfo (display, VisualScreenMask, + &visual_template, &nxvisuals); + for (i = 0; i < nxvisuals; i++) { + if (visual_list[i].depth == 32 && + (visual_list[i].red_mask == 0xff0000 && + visual_list[i].green_mask == 0x00ff00 && + visual_list[i].blue_mask == 0x0000ff)) { + *visual = visual_list[i].visual; + *depth = visual_list[i].depth; + if (debug) + fprintf(stderr, "Found ARGB Visual\n"); + XFree(visual_list); + return 1; + } + } + if (debug) + fprintf(stderr, "No ARGB Visual found"); + XFree(visual_list); + return 0; +} + +static void sigHandler (int sig) +{ + kill (pid, sig); +} + +static void usage (void) +{ + fprintf(stderr, "%s \n", NAME); + fprintf (stderr, "\nUsage: %s [-g {w}x{h}+{x}+{y}] [-ni] [-argb] [-fs] [-s] [-st] [-sp] [-a] " + "[-b] [-nf] [-o OPACITY] [-sh SHAPE] [-ov]-- COMMAND ARG1...\n", NAME); + fprintf (stderr, "Options:\n \ + -g - Specify Geometry (w=width, h=height, x=x-coord, y=y-coord. ex: -g 640x480+100+100)\n \ + -ni - Ignore Input\n \ + -argb - RGB\n \ + -fs - Full Screen\n \ + -un - Undecorated\n \ + -s - Sticky\n \ + -st - Skip Taskbar\n \ + -sp - Skip Pager\n \ + -a - Above\n \ + -b - Below\n \ + -nf - No Focus\n \ + -o - Opacity value between 0 to 1 (ex: -o 0.20)\n \ + -sh - Shape of window (choose between rectangle, circle or triangle. Default is rectangle)\n \ + -ov - Set override_redirect flag (For seamless desktop background integration in non-fullscreenmode)\n \ + -debug - Enable debug messages\n"); +} + + +static Window find_subwindow(Window win, int w, int h) +{ + unsigned int i, j; + Window troot, parent, *children; + unsigned int n; + + /* search subwindows with same size as display or work area */ + + for (i = 0; i < 10; i++) { + XQueryTree(display, win, &troot, &parent, &children, &n); + + for (j = 0; j < n; j++) { + XWindowAttributes attrs; + + if (XGetWindowAttributes(display, children[j], &attrs)) { + /* Window must be mapped and same size as display or + * work space */ + if (attrs.map_state != 0 && ((attrs.width == display_width + && attrs.height == display_height) + || (attrs.width == w && attrs.height == h))) { + win = children[j]; + break; + } + } + } + + XFree(children); + if (j == n) { + break; + } + } + + return win; +} + +static Window find_desktop_window(Window *p_root, Window *p_desktop) +{ + Atom type; + int format, i; + unsigned long nitems, bytes; + unsigned int n; + Window root = RootWindow(display, screen); + Window win = root; + Window troot, parent, *children; + unsigned char *buf = NULL; + + if (!p_root || !p_desktop) { + return 0; + } + + /* some window managers set __SWM_VROOT to some child of root window */ + + XQueryTree(display, root, &troot, &parent, &children, &n); + for (i = 0; i < (int) n; i++) { + if (XGetWindowProperty(display, children[i], ATOM(__SWM_VROOT), 0, 1, + False, XA_WINDOW, &type, &format, &nitems, &bytes, &buf) + == Success && type == XA_WINDOW) { + win = *(Window *) buf; + XFree(buf); + XFree(children); + if (debug) + { + fprintf(stderr, + NAME": desktop window (%lx) found from __SWM_VROOT property\n", + win); + } + fflush(stderr); + *p_root = win; + *p_desktop = win; + return win; + } + + if (buf) { + XFree(buf); + buf = 0; + } + } + XFree(children); + + /* get subwindows from root */ + win = find_subwindow(root, -1, -1); + + display_width = DisplayWidth(display, screen); + display_height = DisplayHeight(display, screen); + + win = find_subwindow(win, display_width, display_height); + + if (buf) { + XFree(buf); + buf = 0; + } + + if (win != root && debug) { + fprintf(stderr, + NAME": desktop window (%lx) is subwindow of root window (%lx)\n", + win, root); + } else if (debug) { + fprintf(stderr, NAME": desktop window (%lx) is root window\n", win); + } + + fflush(stderr); + + *p_root = root; + *p_desktop = win; + + return win; +} + +int main(int argc, char **argv) +{ + char widArg[256]; + char *widArgv[] = { widArg }; + char *endArg = NULL; + int status = 0; + unsigned int opacity = OPAQUE; + + int i; + bool have_argb_visual = false; + bool noInput = false; + bool argb = false; + bool fullscreen = false; + bool noFocus = false; + bool override = false; + bool undecorated = false; + bool sticky = false; + bool below = false; + bool above = false; + bool skip_taskbar = false; + bool skip_pager = false; + + win_shape shape = SHAPE_RECT; + Pixmap mask; + GC mask_gc; + XGCValues xgcv; + + window.width = WIDTH; + window.height = HEIGHT; + + for (i = 1; i < argc; i++) + { + if (strcmp (argv[i], "-g") == 0) + { + if (++i < argc) + XParseGeometry (argv[i], &window.x, &window.y, &window.width, &window.height); + } + else if (strcmp (argv[i], "-ni") == 0) + { + noInput = 1; + } + else if (strcmp (argv[i], "-argb") == 0) + { + argb = true; + } + else if (strcmp (argv[i], "-fs") == 0) + { + fullscreen = 1; + } + else if (strcmp (argv[i], "-un") == 0) + { + undecorated = true; + } + else if (strcmp (argv[i], "-s") == 0) + { + sticky = true; + } + else if (strcmp (argv[i], "-st") == 0) + { + skip_taskbar = true; + } + else if (strcmp (argv[i], "-sp") == 0) + { + skip_pager = true; + } + else if (strcmp (argv[i], "-a") == 0) + { + above = true; + } + else if (strcmp (argv[i], "-b") == 0) + { + below = true; + } + else if (strcmp (argv[i], "-nf") == 0) + { + noFocus = 1; + } + else if (strcmp (argv[i], "-o") == 0) + { + if (++i < argc) + opacity = (unsigned int) (atof (argv[i]) * OPAQUE); + } + else if (strcmp (argv[i], "-sh") == 0) + { + if (++i < argc) + { + if (strcasecmp(argv[i], "circle") == 0) + { + shape = SHAPE_CIRCLE; + } + else if (strcasecmp(argv[i], "triangle") == 0) + { + shape = SHAPE_TRIG; + } + } + } + else if (strcmp (argv[i], "-ov") == 0) + { + override = true; + } + else if (strcmp (argv[i], "-debug") == 0) + { + debug = true; + } + else if (strcmp (argv[i], "--") == 0) + { + break; + } + else + { + usage (); + return 1; + } + } + + for (i = i + 1; i < argc; i++) + { + if (strcmp (argv[i], "WID") == 0) + addArguments (widArgv, 1); + else + addArguments (&argv[i], 1); + } + + if (!nChildArgv) + { + fprintf (stderr, "%s: Error: couldn't create command line\n", argv[0]); + usage (); + + return 1; + } + + addArguments (&endArg, 1); + + init_x11(); + if (!display) + return 1; + + if (fullscreen) + { + window.x = 0; + window.y = 0; + window.width = DisplayWidth (display, screen); + window.height = DisplayHeight (display, screen); + } + int depth = 0, flags = CWOverrideRedirect | CWBackingStore; + Visual *visual = NULL; + + if (!find_desktop_window(&window.root, &window.desktop)) { + fprintf (stderr, NAME": Error: couldn't find desktop window\n"); + return 1; + } + + if (argb && get_argb_visual(&visual, &depth)) + { + have_argb_visual = true; + window.visual = visual; + window.colourmap = XCreateColormap(display, + DefaultRootWindow(display), window.visual, AllocNone); + } + else + { + window.visual = DefaultVisual(display, screen); + window.colourmap = DefaultColormap(display, screen); + depth = CopyFromParent; + visual = CopyFromParent; + + } + + if (override) { + /* An override_redirect True window. + * No WM hints or button processing needed. */ + XSetWindowAttributes attrs = { ParentRelative, 0L, 0, 0L, 0, 0, + Always, 0L, 0L, False, StructureNotifyMask | ExposureMask, 0L, + True, 0, 0 + }; + + if (have_argb_visual) + { + attrs.colormap = window.colourmap; + flags |= CWBorderPixel | CWColormap; + } + else + { + flags |= CWBackPixel; + } + + window.window = XCreateWindow(display, window.desktop, window.x, + window.y, window.width, window.height, 0, depth, InputOutput, visual, + flags, &attrs); + XLowerWindow(display, window.window); + + fprintf(stderr, NAME": window type - override\n"); + fflush(stderr); + } + else + { + XSetWindowAttributes attrs = { ParentRelative, 0L, 0, 0L, 0, 0, + Always, 0L, 0L, False, StructureNotifyMask | ExposureMask | + ButtonPressMask | ButtonReleaseMask, 0L, False, 0, 0 + }; + + XWMHints wmHint; + Atom xa; + + if (have_argb_visual) + { + attrs.colormap = window.colourmap; + flags |= CWBorderPixel | CWColormap; + } + else + { + flags |= CWBackPixel; + } + + window.window = XCreateWindow(display, window.root, window.x, + window.y, window.width, window.height, 0, depth, InputOutput, visual, + flags, &attrs); + + wmHint.flags = InputHint | StateHint; + // wmHint.input = undecorated ? False : True; + wmHint.input = !noFocus; + wmHint.initial_state = NormalState; + + XSetWMProperties(display, window.window, NULL, NULL, argv, + argc, NULL, &wmHint, NULL); + + xa = ATOM(_NET_WM_WINDOW_TYPE); + + Atom prop; + prop = ATOM(_NET_WM_WINDOW_TYPE_NORMAL); + + XChangeProperty(display, window.window, xa, XA_ATOM, 32, + PropModeReplace, (unsigned char *) &prop, 1); + + if (undecorated) { + xa = ATOM(_MOTIF_WM_HINTS); + if (xa != None) { + long prop[5] = { 2, 0, 0, 0, 0 }; + XChangeProperty(display, window.window, xa, xa, 32, + PropModeReplace, (unsigned char *) prop, 5); + } + } + + /* Below other windows */ + if (below) { + + xa = ATOM(_WIN_LAYER); + if (xa != None) { + long prop = 0; + + XChangeProperty(display, window.window, xa, XA_CARDINAL, 32, + PropModeAppend, (unsigned char *) &prop, 1); + } + + xa = ATOM(_NET_WM_STATE); + if (xa != None) { + Atom xa_prop = ATOM(_NET_WM_STATE_BELOW); + + XChangeProperty(display, window.window, xa, XA_ATOM, 32, + PropModeAppend, (unsigned char *) &xa_prop, 1); + } + } + + /* Above other windows */ + if (above) { + + xa = ATOM(_WIN_LAYER); + if (xa != None) { + long prop = 6; + + XChangeProperty(display, window.window, xa, XA_CARDINAL, 32, + PropModeAppend, (unsigned char *) &prop, 1); + } + + xa = ATOM(_NET_WM_STATE); + if (xa != None) { + Atom xa_prop = ATOM(_NET_WM_STATE_ABOVE); + + XChangeProperty(display, window.window, xa, XA_ATOM, 32, + PropModeAppend, (unsigned char *) &xa_prop, 1); + } + } + + /* Sticky */ + if (sticky) { + + xa = ATOM(_NET_WM_DESKTOP); + if (xa != None) { + CARD32 xa_prop = 0xFFFFFFFF; + + XChangeProperty(display, window.window, xa, XA_CARDINAL, 32, + PropModeAppend, (unsigned char *) &xa_prop, 1); + } + + xa = ATOM(_NET_WM_STATE); + if (xa != None) { + Atom xa_prop = ATOM(_NET_WM_STATE_STICKY); + + XChangeProperty(display, window.window, xa, XA_ATOM, 32, + PropModeAppend, (unsigned char *) &xa_prop, 1); + } + } + + /* Skip taskbar */ + if (skip_taskbar) { + + xa = ATOM(_NET_WM_STATE); + if (xa != None) { + Atom xa_prop = ATOM(_NET_WM_STATE_SKIP_TASKBAR); + + XChangeProperty(display, window.window, xa, XA_ATOM, 32, + PropModeAppend, (unsigned char *) &xa_prop, 1); + } + } + + /* Skip pager */ + if (skip_pager) { + + xa = ATOM(_NET_WM_STATE); + if (xa != None) { + Atom xa_prop = ATOM(_NET_WM_STATE_SKIP_PAGER); + + XChangeProperty(display, window.window, xa, XA_ATOM, 32, + PropModeAppend, (unsigned char *) &xa_prop, 1); + } + } + } + + if (opacity != OPAQUE) + setWindowOpacity (opacity); + + if (noInput) + { + Region region; + + region = XCreateRegion (); + if (region) + { + XShapeCombineRegion (display, window.window, ShapeInput, 0, 0, region, ShapeSet); + XDestroyRegion (region); + } + } + + if (shape) + { + mask = XCreatePixmap(display, window.window, window.width, window.height, 1); + mask_gc = XCreateGC(display, mask, 0, &xgcv); + + switch (shape) + { + //Nothing special to be done if it's a rectangle + case SHAPE_CIRCLE: + /* fill mask */ + XSetForeground(display, mask_gc, 0); + XFillRectangle(display, mask, mask_gc, 0, 0, window.width, window.height); + + XSetForeground(display, mask_gc, 1); + XFillArc(display, mask, mask_gc, 0, 0, window.width, window.height, 0, 23040); + break; + + case SHAPE_TRIG: + { + XPoint points[3] = { {0, window.height}, + {window.width / 2, 0}, + {window.width, window.height} + }; + + XSetForeground(display, mask_gc, 0); + XFillRectangle(display, mask, mask_gc, 0, 0, window.width, window.height); + + XSetForeground(display, mask_gc, 1); + XFillPolygon(display, mask, mask_gc, points, 3, Complex, CoordModeOrigin); + } + + break; + + default: + break; + + } + /* combine */ + XShapeCombineMask(display, window.window, ShapeBounding, 0, 0, mask, ShapeSet); + } + + + + XMapWindow(display, window.window); + + XSync (display, window.window); + + sprintf (widArg, "0x%x", (int) window.window); + + pid = fork (); + + switch (pid) { + case -1: + perror ("fork"); + return 1; + case 0: + execvp (childArgv[0], childArgv); + perror (childArgv[0]); + exit (2); + break; + default: + break; + } + + signal (SIGTERM, sigHandler); + signal (SIGINT, sigHandler); + + for (;;) + { + if (waitpid (pid, &status, 0) != -1) + { + if (WIFEXITED (status)) + fprintf (stderr, "%s died, exit status %d\n", childArgv[0], + WEXITSTATUS (status)); + + break; + } + } + + XDestroyWindow (display, window.window); + XCloseDisplay (display); + + + return 0; +}