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authorDerek Stevens <nilix@nilfm.cc>2019-12-02 13:23:00 -0500
committerDerek Stevens <nilix@nilfm.cc>2019-12-02 13:23:00 -0500
commit794fc2bc71269ed8c033f565d9d7ae645c2ad3a2 (patch)
tree79e0e8f777f7d5aeb20028bb3266660e63304cd4 /xshove.c
first commit
Diffstat (limited to 'xshove.c')
-rwxr-xr-xxshove.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/xshove.c b/xshove.c
new file mode 100755
index 0000000..180eada
--- /dev/null
+++ b/xshove.c
@@ -0,0 +1,318 @@
+#include <u.h>
+#include <X11/X.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <libc.h>
+#include <ctype.h>
+
+AUTOLIB(X11);
+
+typedef struct Rectangle Rectangle;
+struct Rectangle
+{
+ struct {
+ int x;
+ int y;
+ } min, max;
+};
+#define Dx(r) ((r).max.x - (r).min.x)
+#define Dy(r) ((r).max.y - (r).min.y)
+
+typedef struct Win Win;
+struct Win
+{
+ Window xw;
+ int x;
+ int y;
+ int dx;
+ int dy;
+ char *class;
+ char *instance;
+ char *name;
+ char *iconname;
+};
+
+Display *dpy;
+Window root;
+
+Win *w;
+int nw;
+
+void getinfo(void);
+void listwindows(void);
+int parsewinsize(char*, Rectangle*, int*, int*, int*);
+void shove(char*, char*);
+
+void
+usage(void)
+{
+ fprint(2, "usage: xshove [window rectangle]\n");
+ exits("usage");
+}
+
+void
+main(int argc, char **argv)
+{
+ int screen;
+
+ screen = 0;
+ ARGBEGIN{
+ case 's':
+ screen = atoi(EARGF(usage()));
+ break;
+ default:
+ usage();
+ break;
+ }ARGEND
+
+ dpy = XOpenDisplay("");
+ if(dpy == nil)
+ sysfatal("open display: %r");
+
+ root = RootWindow(dpy, screen);
+ getinfo();
+
+ if(argc == 0){
+ listwindows();
+ exits(0);
+ }
+ if(argc != 2)
+ usage();
+ shove(argv[0], argv[1]);
+ exits(0);
+}
+
+char*
+getproperty(Window w, Atom a)
+{
+ uchar *p;
+ int fmt;
+ Atom type;
+ ulong n, dummy;
+
+ n = 100;
+ p = nil;
+ XGetWindowProperty(dpy, w, a, 0, 100L, 0,
+ AnyPropertyType, &type, &fmt,
+ &n, &dummy, &p);
+ if(p == nil || *p == 0)
+ return nil;
+ return strdup((char*)p);
+}
+
+Window
+findname(Window w)
+{
+ int i;
+ uint nxwin;
+ Window dw1, dw2, *xwin;
+
+ if(getproperty(w, XA_WM_NAME))
+ return w;
+ if(!XQueryTree(dpy, w, &dw1, &dw2, &xwin, &nxwin))
+ return 0;
+ for(i=0; i<nxwin; i++)
+ if((w = findname(xwin[i])) != 0)
+ return w;
+ return 0;
+}
+
+void
+getinfo(void)
+{
+ int i;
+ uint nxwin;
+ Window dw1, dw2, *xwin;
+ XClassHint class;
+ XWindowAttributes attr;
+
+ if(!XQueryTree(dpy, root, &dw1, &dw2, &xwin, &nxwin))
+ return;
+ w = mallocz(nxwin*sizeof w[0], 1);
+ if(w == 0)
+ sysfatal("malloc: %r");
+
+ Win *ww = w;
+ for(i=0; i<nxwin; i++){
+ memset(&attr, 0, sizeof attr);
+ xwin[i] = findname(xwin[i]);
+ if(xwin[i] == 0)
+ continue;
+ XGetWindowAttributes(dpy, xwin[i], &attr);
+ if(attr.width <= 0 || attr.override_redirect || attr.map_state != IsViewable)
+ continue;
+ ww->xw = xwin[i];
+ ww->x = attr.x;
+ ww->y = attr.y;
+ ww->dx = attr.width;
+ ww->dy = attr.height;
+ XTranslateCoordinates(dpy, ww->xw, root, 0, 0, &ww->x, &ww->y, &dw1);
+ if(XGetClassHint(dpy, ww->xw, &class)){
+ ww->class = strdup(class.res_class);
+ ww->instance = strdup(class.res_name);
+ }
+ ww->iconname = getproperty(ww->xw, XA_WM_ICON_NAME);
+ ww->name = getproperty(ww->xw, XA_WM_NAME);
+ ww++;
+ }
+ nw = ww - w;
+}
+
+void
+listwindows(void)
+{
+ int i;
+
+ for(i=0; i<nw; i++){
+ Win *ww = &w[i];
+ char rect[50];
+ snprint(rect, sizeof rect, "%d,%d,%d,%d", ww->x, ww->y, ww->x+ww->dx, ww->y+ww->dy);
+ print("%08x %-20s %-10s %s\n",
+ (uint)ww->xw,
+ rect,
+ ww->instance,
+ ww->class);
+ }
+}
+
+void
+shove(char *name, char *geom)
+{
+ int i;
+ int isdelta, havemin, havesize;
+ int old, new;
+ Rectangle r;
+
+ if(parsewinsize(geom, &r, &isdelta, &havemin, &havesize) < 0)
+ sysfatal("bad window spec: %s", name);
+
+ old = 0;
+ new = 1;
+ if(isdelta){
+ old = 1;
+ new = isdelta;
+ }
+ for(i=0; i<nw; i++){
+ Win *ww = &w[i];
+ if(ww->instance && strstr(ww->instance, name)
+ || ww->class && strstr(ww->class, name)){
+ int value_mask;
+ XWindowChanges e;
+
+ memset(&e, 0, sizeof e);
+ if(havemin){
+ e.x = old*ww->x + new*r.min.x;
+ e.y = old*ww->y + new*r.min.y;
+ }else{
+ e.x = ww->x;
+ e.y = ww->y;
+ }
+ if(havesize){
+ e.width = old*ww->dx + new*Dx(r);
+ e.height = old*ww->dy + new*Dy(r);
+ }else{
+ e.width = ww->dx;
+ e.height = ww->dy;
+ }
+ value_mask = CWX | CWY | CWWidth | CWHeight;
+ XConfigureWindow(dpy, ww->xw, value_mask, &e);
+ XFlush(dpy);
+ }
+ }
+}
+
+int
+parsewinsize(char *s, Rectangle *r, int *isdelta, int *havemin, int *havesize)
+{
+ char c, *os;
+ int i, j, k, l;
+
+ os = s;
+ if(*s == '-'){
+ s++;
+ *isdelta = -1;
+ }else if(*s == '+'){
+ s++;
+ *isdelta = 1;
+ }else
+ *isdelta = 0;
+ *havemin = 0;
+ *havesize = 0;
+ memset(r, 0, sizeof *r);
+ if(!isdigit((uchar)*s))
+ goto oops;
+ i = strtol(s, &s, 0);
+ if(*s == 'x'){
+ s++;
+ if(!isdigit((uchar)*s))
+ goto oops;
+ j = strtol(s, &s, 0);
+ r->max.x = i;
+ r->max.y = j;
+ *havesize = 1;
+ if(*s == 0)
+ return 0;
+ if(*s != '@')
+ goto oops;
+
+ s++;
+ if(!isdigit((uchar)*s))
+ goto oops;
+ i = strtol(s, &s, 0);
+ if(*s != ',' && *s != ' ')
+ goto oops;
+ s++;
+ if(!isdigit((uchar)*s))
+ goto oops;
+ j = strtol(s, &s, 0);
+ if(*s != 0)
+ goto oops;
+ r->min.x += i;
+ r->max.x += i;
+ r->min.y += j;
+ r->max.y += j;
+ *havesize = 1;
+ *havemin = 1;
+ return 0;
+ }
+
+ c = *s;
+ if(c != ' ' && c != ',')
+ goto oops;
+ s++;
+ if(!isdigit((uchar)*s))
+ goto oops;
+ j = strtol(s, &s, 0);
+ if(*s == 0){
+ r->min.x = i;
+ r->min.y = j;
+ *havemin = 1;
+ return 0;
+ }
+ if(*s != c)
+ goto oops;
+ s++;
+ if(!isdigit((uchar)*s))
+ goto oops;
+ k = strtol(s, &s, 0);
+ if(*s != c)
+ goto oops;
+ s++;
+ if(!isdigit((uchar)*s))
+ goto oops;
+ l = strtol(s, &s, 0);
+ if(*s != 0)
+ goto oops;
+ r->min.x = i;
+ r->min.y = j;
+ r->max.x = k;
+ r->max.y = l;
+ *havemin = 1;
+ *havesize = 1;
+ return 0;
+
+oops:
+ werrstr("bad syntax in window size '%s'", os);
+ return -1;
+}