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Update xwinwrap.c

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Maxim 2019-03-22 20:30:20 -05:00 committed by GitHub
parent 583546b4db
commit 7a9f910885
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1 changed files with 137 additions and 220 deletions
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357
src/versions/v0.0.5/XWinWrap/xwinwrap.c
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@ -42,11 +42,26 @@
* Currently supporting circlular and triangular windows * Currently supporting circlular and triangular windows
*/ */
/*
* Modified by: Maxim Stewart
* Tech Blog: https://www.itdominator.com/
*
* Changelog:
* 22-March-19: 1. Cleaned up code formatting.
* 2. Removed unused DEBUG_MSG reference.
* 3. Moved functions to a more reasonable order.
* 4. Compile dev library list 32 & 64 bit:
* # 32
* sudo apt install libxext-dev:i386 libxrender-dev:i386 libc6-dev-i386
*
* # 64
* sudo apt install libxext-dev libxrender-dev libc6-dev
*/
#include <X11/Xlib.h> #include <X11/Xlib.h>
#include <X11/Xutil.h> #include <X11/Xutil.h>
#include <X11/Xatom.h> #include <X11/Xatom.h>
#include <X11/Xproto.h> #include <X11/Xproto.h>
#include <X11/extensions/shape.h> #include <X11/extensions/shape.h>
#include <X11/extensions/Xrender.h> #include <X11/extensions/Xrender.h>
@ -61,44 +76,35 @@
#define WIDTH 512 #define WIDTH 512
#define HEIGHT 384 #define HEIGHT 384
#define OPAQUE 0xffffffff #define OPAQUE 0xffffffff
#define NAME "xwinwrap" #define NAME "xwinwrap"
#define VERSION "0.3" #define VERSION "0.3"
#define DESKTOP_WINDOW_NAME_MAX_SIZE 25 #define DESKTOP_WINDOW_NAME_MAX_SIZE 25
#define DEFAULT_DESKTOP_WINDOW_NAME "Desktop" #define DEFAULT_DESKTOP_WINDOW_NAME "Desktop"
#define DEBUG_MSG(x) if(debug) { fprintf(stderr, x); } #define DEBUG_MSG(x) if(debug) { fprintf(stderr, x); }
typedef enum typedef enum {
{
SHAPE_RECT = 0, SHAPE_RECT = 0,
SHAPE_CIRCLE, SHAPE_CIRCLE,
SHAPE_TRIG, SHAPE_TRIG,
} win_shape; } win_shape;
static pid_t pid = 0; static pid_t pid = 0;
static char **childArgv = 0; static char **childArgv = 0;
static int nChildArgv = 0; static int nChildArgv = 0;
int debug = 0;
char desktop_window_name[DESKTOP_WINDOW_NAME_MAX_SIZE]; char desktop_window_name[DESKTOP_WINDOW_NAME_MAX_SIZE];
int debug = 0;
static int static int addArguments (char **argv, int n) {
addArguments (char **argv,
int n)
{
char **newArgv; char **newArgv;
int i; int i;
newArgv = realloc (childArgv, sizeof (char *) * (nChildArgv + n)); newArgv = realloc (childArgv, sizeof (char *) * (nChildArgv + n));
if (!newArgv) if (!newArgv)
return 0; return 0;
for (i = 0; i < n; i++) for (i = 0; i < n; i++)
newArgv[nChildArgv + i] = argv[i]; newArgv[nChildArgv + i] = argv[i];
childArgv = newArgv; childArgv = newArgv;
nChildArgv += n; nChildArgv += n;
@ -106,29 +112,21 @@ addArguments (char **argv,
return n; return n;
} }
static void static void setWindowOpacity (Display *dpy, Window win, unsigned int opacity) {
setWindowOpacity (Display *dpy,
Window win,
unsigned int opacity)
{
CARD32 o; CARD32 o;
o = opacity; o = opacity;
XChangeProperty (dpy, win, XInternAtom (dpy, "_NET_WM_WINDOW_OPACITY", 0), XChangeProperty (dpy, win, XInternAtom (dpy, "_NET_WM_WINDOW_OPACITY", 0),
XA_CARDINAL, 32, PropModeReplace, XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &o, 1); (unsigned char *) &o, 1);
} }
static Visual * static Visual * findArgbVisual (Display *dpy, int scr) {
findArgbVisual (Display *dpy, int scr) XVisualInfo *xvi;
{ XVisualInfo template;
XVisualInfo *xvi; int nvi;
XVisualInfo template; int i;
int nvi; XRenderPictFormat *format;
int i; Visual *visual;
XRenderPictFormat *format;
Visual *visual;
template.screen = scr; template.screen = scr;
template.depth = 32; template.depth = 32;
@ -140,34 +138,60 @@ findArgbVisual (Display *dpy, int scr)
VisualClassMask, VisualClassMask,
&template, &template,
&nvi); &nvi);
if (!xvi) if (!xvi)
return 0; return 0;
visual = 0; visual = 0;
for (i = 0; i < nvi; i++) for (i = 0; i < nvi; i++) {
{
format = XRenderFindVisualFormat (dpy, xvi[i].visual); format = XRenderFindVisualFormat (dpy, xvi[i].visual);
if (format->type == PictTypeDirect && format->direct.alphaMask) if (format->type == PictTypeDirect && format->direct.alphaMask) {
{
visual = xvi[i].visual; visual = xvi[i].visual;
break; break;
} }
} }
XFree (xvi); XFree (xvi);
return visual; return visual;
} }
static void static Window find_desktop_window(Display *display, int screen,
sigHandler (int sig) Window *root, Window *p_desktop) {
{ int i;
kill (pid, sig); unsigned int n;
Window win = *root;
Window troot, parent, *children;
char *name;
int status;
int width = DisplayWidth(display, screen);
int height = DisplayHeight(display, screen);
XWindowAttributes attrs;
XQueryTree(display, *root, &troot, &parent, &children, &n);
for (i = 0; i < (int) n; i++) {
status = XFetchName(display, children[i], &name);
status |= XGetWindowAttributes(display, children[i], &attrs);
if ((status != 0) && (NULL != name)) {
if( (attrs.map_state != 0) && (attrs.width == width) &&
(attrs.height == height) && (!strcmp(name, desktop_window_name)) ) {
win = children[i];
XFree(children);
XFree(name);
*p_desktop = win;
return win;
}
if(name)
XFree(name);
}
}
DEBUG_MSG("Desktop Window Not found\n");
return 0;
} }
static void static void usage (void) {
usage (void)
{
fprintf(stderr, "%s v%s- Modified by Shantanu Goel. Visit http://tech.shantanugoel.com for updates, queries and feature requests\n", NAME, VERSION); fprintf(stderr, "%s v%s- Modified by Shantanu Goel. Visit http://tech.shantanugoel.com for updates, queries and feature requests\n", NAME, VERSION);
fprintf (stderr, "\nUsage: %s [-g {w}x{h}+{x}+{y}] [-ni] [-argb] [-fs] [-s] [-st] [-sp] [-a] " 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); "[-b] [-nf] [-o OPACITY] [-sh SHAPE] [-ov]-- COMMAND ARG1...\n", NAME);
@ -189,80 +213,41 @@ usage (void)
-debug - Enable debug messages\n"); -debug - Enable debug messages\n");
} }
static Window find_desktop_window(Display *display, int screen, Window *root, Window *p_desktop) static void sigHandler (int sig) { kill(pid, sig); }
{
int i;
unsigned int n;
Window win = *root;
Window troot, parent, *children;
char *name;
int status;
int width = DisplayWidth (display, screen);
int height = DisplayHeight (display, screen);
XWindowAttributes attrs;
XQueryTree(display, *root, &troot, &parent, &children, &n); int main (int argc, char **argv) {
for (i = 0; i < (int) n; i++)
{
status = XFetchName(display, children[i], &name);
status |= XGetWindowAttributes(display, children[i], &attrs);
if ((status != 0) && (NULL != name))
{
if( (attrs.map_state != 0) && (attrs.width == width) &&
(attrs.height == height) && (!strcmp(name, desktop_window_name)) )
{
//DEBUG_MSG("Found Window:%s\n", name);
win = children[i];
XFree(children);
XFree(name);
*p_desktop = win;
return win;
}
if(name)
{
XFree(name);
}
}
}
DEBUG_MSG("Desktop Window Not found\n");
return 0;
}
int
main (int argc, char **argv)
{
Display *dpy; Display *dpy;
Window win; Window win;
Window root; Window root;
Window p_desktop = 0; Window p_desktop = 0;
int screen; int screen;
XSizeHints xsh; XSizeHints xsh;
XWMHints xwmh; XWMHints xwmh;
char widArg[256]; char widArg[256];
char *widArgv[] = { widArg }; char *widArgv[] = { widArg };
char *endArg = NULL; char *endArg = NULL;
int i; int i;
int status = 0; int status = 0;
unsigned int opacity = OPAQUE; unsigned int opacity = OPAQUE;
int x = 0; int x = 0;
int y = 0; int y = 0;
unsigned int width = WIDTH; unsigned int width = WIDTH;
unsigned int height = HEIGHT; unsigned int height = HEIGHT;
int argb = 0; int argb = 0;
int fullscreen = 0; int fullscreen = 0;
int noInput = 0; int noInput = 0;
int noFocus = 0; int noFocus = 0;
Atom state[256]; Atom state[256];
int nState = 0; int nState = 0;
int override = 0; int override = 0;
win_shape shape = SHAPE_RECT; win_shape shape = SHAPE_RECT;
Pixmap mask; Pixmap mask;
GC mask_gc; GC mask_gc;
XGCValues xgcv; XGCValues xgcv;
dpy = XOpenDisplay (NULL); dpy = XOpenDisplay (NULL);
if (!dpy) if (!dpy) {
{
fprintf (stderr, "%s: Error: couldn't open display\n", argv[0]); fprintf (stderr, "%s: Error: couldn't open display\n", argv[0]);
return 1; return 1;
} }
@ -271,120 +256,75 @@ main (int argc, char **argv)
root = RootWindow (dpy, screen); root = RootWindow (dpy, screen);
strcpy(desktop_window_name, DEFAULT_DESKTOP_WINDOW_NAME); strcpy(desktop_window_name, DEFAULT_DESKTOP_WINDOW_NAME);
for (i = 1; i < argc; i++) for (i = 1; i < argc; i++) {
{ if (strcmp(argv[i], "-g") == 0) {
if (strcmp (argv[i], "-g") == 0)
{
if (++i < argc) if (++i < argc)
XParseGeometry (argv[i], &x, &y, &width, &height); XParseGeometry (argv[i], &x, &y, &width, &height);
} } else if (strcmp(argv[i], "-ni") == 0) {
else if (strcmp (argv[i], "-ni") == 0)
{
noInput = 1; noInput = 1;
} } else if (strcmp(argv[i], "-d") == 0) {
else if (strcmp (argv[i], "-d") == 0)
{
++i; ++i;
strcpy(desktop_window_name, argv[i]); strcpy(desktop_window_name, argv[i]);
} } else if (strcmp(argv[i], "-argb") == 0) {
else if (strcmp (argv[i], "-argb") == 0)
{
argb = 1; argb = 1;
} } else if (strcmp(argv[i], "-fs") == 0) {
else if (strcmp (argv[i], "-fs") == 0)
{
state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_FULLSCREEN", 0); state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_FULLSCREEN", 0);
fullscreen = 1; fullscreen = 1;
} } else if (strcmp(argv[i], "-s") == 0) {
else if (strcmp (argv[i], "-s") == 0)
{
state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_STICKY", 0); state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_STICKY", 0);
} } else if (strcmp(argv[i], "-st") == 0) {
else if (strcmp (argv[i], "-st") == 0)
{
state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_SKIP_TASKBAR", 0); state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_SKIP_TASKBAR", 0);
} } else if (strcmp(argv[i], "-sp") == 0) {
else if (strcmp (argv[i], "-sp") == 0)
{
state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_SKIP_PAGER", 0); state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_SKIP_PAGER", 0);
} } else if (strcmp(argv[i], "-a") == 0) {
else if (strcmp (argv[i], "-a") == 0)
{
state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_ABOVE", 0); state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_ABOVE", 0);
} } else if (strcmp(argv[i], "-b") == 0) {
else if (strcmp (argv[i], "-b") == 0)
{
state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_BELOW", 0); state[nState++] = XInternAtom (dpy, "_NET_WM_STATE_BELOW", 0);
} } else if (strcmp(argv[i], "-nf") == 0) {
else if (strcmp (argv[i], "-nf") == 0)
{
noFocus = 1; noFocus = 1;
} } else if (strcmp(argv[i], "-o") == 0) {
else if (strcmp (argv[i], "-o") == 0)
{
if (++i < argc) if (++i < argc)
opacity = (unsigned int) (atof (argv[i]) * OPAQUE); opacity = (unsigned int) (atof (argv[i]) * OPAQUE);
} } else if (strcmp(argv[i], "-sh") == 0) {
else if (strcmp (argv[i], "-sh") == 0) if (++i < argc) {
{ if(strcasecmp(argv[i], "circle") == 0) {
if (++i < argc)
{
if(strcasecmp(argv[i], "circle") == 0)
{
shape = SHAPE_CIRCLE; shape = SHAPE_CIRCLE;
} } else if(strcasecmp(argv[i], "triangle") == 0) {
else if(strcasecmp(argv[i], "triangle") == 0)
{
shape = SHAPE_TRIG; shape = SHAPE_TRIG;
} }
} }
} } else if (strcmp(argv[i], "-ov") == 0) {
else if (strcmp (argv[i], "-ov") == 0)
{
override = 1; override = 1;
} } else if (strcmp(argv[i], "-debug") == 0) {
else if (strcmp (argv[i], "-debug") == 0)
{
debug = 1; debug = 1;
} } else if (strcmp(argv[i], "--") == 0) {
else if (strcmp (argv[i], "--") == 0)
{
break; break;
} } else {
else
{
usage (); usage ();
return 1; return 1;
} }
} }
for (i = i + 1; i < argc; i++) for (i = i + 1; i < argc; i++) {
{ if (strcmp(argv[i], "WID") == 0)
if (strcmp (argv[i], "WID") == 0)
addArguments (widArgv, 1); addArguments (widArgv, 1);
else else
addArguments (&argv[i], 1); addArguments (&argv[i], 1);
} }
if (!nChildArgv) if (!nChildArgv) {
{
fprintf (stderr, "%s: Error: couldn't create command line\n", argv[0]); fprintf (stderr, "%s: Error: couldn't create command line\n", argv[0]);
usage (); usage ();
return 1; return 1;
} }
addArguments (&endArg, 1); addArguments (&endArg, 1);
if (fullscreen) if (fullscreen) {
{
xsh.flags = PSize | PPosition; xsh.flags = PSize | PPosition;
xsh.width = DisplayWidth (dpy, screen); xsh.width = DisplayWidth (dpy, screen);
xsh.height = DisplayHeight (dpy, screen); xsh.height = DisplayHeight (dpy, screen);
} } else {
else
{
xsh.flags = PSize; xsh.flags = PSize;
xsh.width = width; xsh.width = width;
xsh.height = height; xsh.height = height;
@ -393,14 +333,12 @@ main (int argc, char **argv)
xwmh.flags = InputHint; xwmh.flags = InputHint;
xwmh.input = !noFocus; xwmh.input = !noFocus;
if (argb) if (argb) {
{
XSetWindowAttributes attr; XSetWindowAttributes attr;
Visual *visual; Visual *visual;
visual = findArgbVisual (dpy, screen); visual = findArgbVisual (dpy, screen);
if (!visual) if (!visual) {
{
fprintf (stderr, "%s: Error: couldn't find argb visual\n", argv[0]); fprintf (stderr, "%s: Error: couldn't find argb visual\n", argv[0]);
return 1; return 1;
} }
@ -409,26 +347,21 @@ main (int argc, char **argv)
attr.border_pixel = 0; attr.border_pixel = 0;
attr.colormap = XCreateColormap (dpy, root, visual, AllocNone); attr.colormap = XCreateColormap (dpy, root, visual, AllocNone);
win = XCreateWindow (dpy, root, 0, 0, xsh.width, xsh.height, 0, win = XCreateWindow (dpy, root, 0, 0, xsh.width, xsh.height, 0, 32,
32, InputOutput, visual, InputOutput, visual,
CWBackPixel | CWBorderPixel | CWColormap, &attr); CWBackPixel | CWBorderPixel | CWColormap, &attr);
} } else {
else
{
XSetWindowAttributes attr; XSetWindowAttributes attr;
attr.override_redirect = override; attr.override_redirect = override;
if( override && find_desktop_window(dpy, screen, &root, &p_desktop) ) if( override && find_desktop_window(dpy, screen, &root, &p_desktop) ) {
{
win = XCreateWindow (dpy, p_desktop, x, y, xsh.width, xsh.height, 0, win = XCreateWindow (dpy, p_desktop, x, y, xsh.width, xsh.height, 0,
CopyFromParent, InputOutput, CopyFromParent, CopyFromParent, InputOutput, CopyFromParent,
CWOverrideRedirect, &attr); CWOverrideRedirect, &attr);
} } else {
else
{
win = XCreateWindow (dpy, root, x, y, xsh.width, xsh.height, 0, win = XCreateWindow (dpy, root, x, y, xsh.width, xsh.height, 0,
CopyFromParent, InputOutput, CopyFromParent, CopyFromParent, InputOutput, CopyFromParent,
CWOverrideRedirect, &attr); CWOverrideRedirect, &attr);
} }
} }
@ -437,13 +370,11 @@ main (int argc, char **argv)
if (opacity != OPAQUE) if (opacity != OPAQUE)
setWindowOpacity (dpy, win, opacity); setWindowOpacity (dpy, win, opacity);
if (noInput) if (noInput) {
{
Region region; Region region;
region = XCreateRegion (); region = XCreateRegion ();
if (region) if (region) {
{
XShapeCombineRegion (dpy, win, ShapeInput, 0, 0, region, ShapeSet); XShapeCombineRegion (dpy, win, ShapeInput, 0, 0, region, ShapeSet);
XDestroyRegion (region); XDestroyRegion (region);
} }
@ -451,16 +382,13 @@ main (int argc, char **argv)
if (nState) if (nState)
XChangeProperty (dpy, win, XInternAtom (dpy, "_NET_WM_STATE", 0), XChangeProperty (dpy, win, XInternAtom (dpy, "_NET_WM_STATE", 0),
XA_ATOM, 32, PropModeReplace, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, nState);
(unsigned char *) state, nState);
if (shape) if (shape) {
{
mask = XCreatePixmap(dpy, win, width, height, 1); mask = XCreatePixmap(dpy, win, width, height, 1);
mask_gc = XCreateGC(dpy, mask, 0, &xgcv); mask_gc = XCreateGC(dpy, mask, 0, &xgcv);
switch(shape) switch(shape) {
{
//Nothing special to be done if it's a rectangle //Nothing special to be done if it's a rectangle
case SHAPE_CIRCLE: case SHAPE_CIRCLE:
/* fill mask */ /* fill mask */
@ -483,12 +411,9 @@ main (int argc, char **argv)
XSetForeground(dpy, mask_gc, 1); XSetForeground(dpy, mask_gc, 1);
XFillPolygon(dpy, mask, mask_gc, points, 3, Complex, CoordModeOrigin); XFillPolygon(dpy, mask, mask_gc, points, 3, Complex, CoordModeOrigin);
} }
break; break;
default: default:
break; break;
} }
/* combine */ /* combine */
XShapeCombineMask(dpy, win, ShapeBounding, 0, 0, mask, ShapeSet); XShapeCombineMask(dpy, win, ShapeBounding, 0, 0, mask, ShapeSet);
@ -497,14 +422,10 @@ main (int argc, char **argv)
XMapWindow (dpy, win); XMapWindow (dpy, win);
if(p_desktop == 0) if(p_desktop == 0)
{
XLowerWindow(dpy, win); XLowerWindow(dpy, win);
}
XSync (dpy, win); XSync (dpy, win);
sprintf (widArg, "0x%x", (int) win); sprintf (widArg, "0x%x", (int) win);
pid = fork (); pid = fork ();
switch (pid) { switch (pid) {
@ -523,20 +444,16 @@ main (int argc, char **argv)
signal (SIGTERM, sigHandler); signal (SIGTERM, sigHandler);
signal (SIGINT, sigHandler); signal (SIGINT, sigHandler);
for (;;) for (;;) {
{ if (waitpid (pid, &status, 0) != -1) {
if (waitpid (pid, &status, 0) != -1)
{
if (WIFEXITED (status)) if (WIFEXITED (status))
fprintf (stderr, "%s died, exit status %d\n", childArgv[0], fprintf (stderr, "%s died, exit status %d\n", childArgv[0],
WEXITSTATUS (status)); WEXITSTATUS (status));
break; break;
} }
} }
XDestroyWindow (dpy, win); XDestroyWindow (dpy, win);
XCloseDisplay (dpy); XCloseDisplay (dpy);
return 0; return 0;
} }