#include <stdio.h>
#include <stdlib.h>
+#include <search.h>
#include <X11/Xlib.h>
#include <X11/Xproto.h>
/* Internal structures */
struct win_sys {
- Window win;
+ Window xid;
Display *dpy;
};
int sym;
} keymap_t;
+typedef enum {
+ wm_proto, wm_focus, natoms
+} atom_t;
+
+Atom atoms[natoms];
+
+/* Global data */
+void *win_cache = NULL;
+
/* Conversion functions */
keymap_t key2sym[] = {
{key_left , XK_Left },
unsigned int mod2x(mod_t mod)
{
- return mod.alt ? Mod1Mask : 0
- | mod.ctrl ? ControlMask : 0
- | mod.shift ? ShiftMask : 0
- | mod.win ? Mod4Mask : 0;
+ return (mod.alt ? Mod1Mask : 0)
+ | (mod.ctrl ? ControlMask : 0)
+ | (mod.shift ? ShiftMask : 0)
+ | (mod.win ? Mod4Mask : 0);
}
/* - Keycodes */
}
/* - Pointers */
-ptr_t x2ptr(XEvent _ev)
+ptr_t x2ptr(XEvent *_ev)
{
- XKeyEvent ev = _ev.xkey;
- return (ptr_t){ev.x, ev.y, ev.x_root, ev.y_root};
+ XKeyEvent *ev = &_ev->xkey;
+ return (ptr_t){ev->x, ev->y, ev->x_root, ev->y_root};
+}
+Window getfocus(win_t *root, XEvent *event)
+{
+ int revert;
+ Window focus = PointerRoot;
+ if (event->type == KeyPress || event->type == KeyRelease)
+ XGetInputFocus(root->sys->dpy, &focus, &revert);
+ if (focus == PointerRoot)
+ focus = event->xkey.subwindow;
+ if (focus == None)
+ focus = event->xkey.window;
+ return focus;
}
-/* Helper functions */
-win_t *win_new(Display *xdpy, Window xwin)
+/* Window functions */
+win_t *win_new(Display *dpy, Window xid)
{
- if (!xdpy || !xwin)
- return NULL;
XWindowAttributes attr;
- XGetWindowAttributes(xdpy, xwin, &attr);
+ if (XGetWindowAttributes(dpy, xid, &attr))
+ if (attr.override_redirect)
+ return NULL;
win_t *win = new0(win_t);
win->x = attr.x;
win->y = attr.y;
win->w = attr.width;
win->h = attr.height;
win->sys = new0(win_sys_t);
- win->sys->dpy = xdpy;
- win->sys->win = xwin;
+ win->sys->dpy = dpy;
+ win->sys->xid = xid;
+ printf("%p = %p, %d\n", win, dpy, (int)xid);
return win;
}
-void win_free(win_t *win)
+int win_cmp(const void *_a, const void *_b)
+{
+ const win_t *a = _a, *b = _b;
+ if (a->sys->dpy < b->sys->dpy) return -1;
+ if (a->sys->dpy > b->sys->dpy) return 1;
+ if (a->sys->xid < b->sys->xid) return -1;
+ if (a->sys->xid > b->sys->xid) return 1;
+ return 0;
+}
+
+win_t *win_find(Display *dpy, Window xid, int create)
{
+ if (!dpy || !xid)
+ return NULL;
+ //printf("win_find: %p, %d\n", dpy, (int)xid);
+ win_sys_t sys = {.dpy=dpy, .xid=xid};
+ win_t tmp = {.sys=&sys};
+ win_t **old = NULL, *new = NULL;
+ if ((old = tfind(&tmp, &win_cache, win_cmp)))
+ return *old;
+ if (create && (new = win_new(dpy,xid)))
+ tsearch(new, &win_cache, win_cmp);
+ return new;
+}
+
+void win_remove(win_t *win)
+{
+ tdelete(win, &win_cache, win_cmp);
free(win->sys);
free(win);
}
+int win_viewable(win_t *win)
+{
+ XWindowAttributes attr;
+ if (XGetWindowAttributes(win->sys->dpy, win->sys->xid, &attr))
+ return attr.map_state == IsViewable;
+ else
+ return True;
+}
+
+/* Callbacks */
+void process_event(int type, XEvent *ev, win_t *root)
+{
+ Display *dpy = root->sys->dpy;
+ win_t *win = NULL;
+
+ /* Common data for all these events ... */
+ ptr_t ptr; mod_t mod;
+ if (type == KeyPress || type == KeyRelease ||
+ type == ButtonPress || type == ButtonRelease ||
+ type == MotionNotify) {
+ Window xid = getfocus(root, ev);
+ if (!(win = win_find(dpy,xid,0)))
+ return;
+ ptr = x2ptr(ev);
+ mod = x2mod(ev->xkey.state, type==KeyRelease||type==ButtonRelease);
+ }
+
+ /* Split based on event */
+ printf("event: %d\n", type);
+ if (type == KeyPress) {
+ while (XCheckTypedEvent(dpy, KeyPress, ev));
+ KeySym sym = XKeycodeToKeysym(dpy, ev->xkey.keycode, 0);
+ wm_handle_key(win, x2key(sym), mod, ptr);
+ }
+ else if (type == KeyRelease) {
+ //printf("release: %d\n", type);
+ }
+ else if (type == ButtonPress) {
+ wm_handle_key(win, x2btn(ev->xbutton.button), mod, ptr);
+ XGrabPointer(dpy, ev->xbutton.root, True, PointerMotionMask|ButtonReleaseMask,
+ GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
+ }
+ else if (type == ButtonRelease) {
+ XUngrabPointer(dpy, CurrentTime);
+ wm_handle_key(win, x2btn(ev->xbutton.button), mod, ptr);
+ }
+ else if (type == MotionNotify) {
+ while (XCheckTypedEvent(dpy, MotionNotify, ev));
+ wm_handle_ptr(win, ptr);
+ }
+ else if (type == EnterNotify || type == LeaveNotify) {
+ printf("enter: %d\n", type);
+ key_t key = EnterNotify ? key_enter : key_leave;
+ if ((win = win_find(dpy,ev->xcrossing.window,0)))
+ wm_handle_key(win, key, MOD(), PTR());
+ }
+ else if (type == FocusIn || type == FocusOut) {
+ printf("focus: %d\n", type);
+ key_t key = FocusIn ? key_focus : key_unfocus;
+ if ((win = win_find(dpy,ev->xfocus.window,0)))
+ wm_handle_key(win, key, MOD(), PTR());
+ }
+ else if (type == ConfigureNotify) {
+ //printf("configure: %d\n", type);
+ }
+ else if (type == MapNotify) {
+ //printf("map: %d\n", type);
+ }
+ else if (type == DestroyNotify) {
+ //printf("destory: %d\n", type);
+ if ((win = win_find(dpy,ev->xdestroywindow.window,0)))
+ win_remove(win);
+ }
+ else if (type == UnmapNotify) {
+ //printf("unmap: %d\n", type);
+ if ((win = win_find(dpy,ev->xmap.window,0)))
+ wm_remove(win);
+ }
+ else if (type == ConfigureRequest) {
+ XConfigureRequestEvent *cre = &ev->xconfigurerequest;
+ XWindowChanges wc = {
+ .x = cre->x, .y = cre->y,
+ .width = cre->width, .height = cre->height,
+ };
+ printf("configure_req: %d - %x, (0x%lx) %dx%d @ %d,%d\n",
+ type, (int)cre->window, cre->value_mask,
+ cre->height, cre->width, cre->x, cre->y);
+ XConfigureWindow(dpy, cre->window, cre->value_mask, &wc);
+ }
+ else if (type == MapRequest) {
+ printf("map_req: %d\n", type);
+ if ((win = win_find(dpy,ev->xmaprequest.window,1)))
+ wm_insert(win);
+ XMapWindow(dpy,ev->xmaprequest.window);
+ }
+ else {
+ printf("unknown event: %d\n", type);
+ }
+}
+
+int xwmerror(Display *dpy, XErrorEvent *err)
+{
+ return error("another window manager is running?");
+}
+
/*****************
* Sys functions *
*****************/
void sys_move(win_t *win, int x, int y, int w, int h)
{
- printf("sys_move: %p - %d,%d %dx%d\n", win, x, y, w, h);
- XMoveResizeWindow(win->sys->dpy, win->sys->win, x, y, w, h);
+ //printf("sys_move: %p - %d,%d %dx%d\n", win, x, y, w, h);
+ win->x = x; win->y = y;
+ win->w = w; win->h = h;
+ XMoveResizeWindow(win->sys->dpy, win->sys->xid, x, y, w, h);
+
+ /* Flush events, so moving window doesn't cuase re-focus
+ * There's probably a better way to do this */
+ XEvent ev;
+ XSync(win->sys->dpy, False);
+ while (XCheckMaskEvent(win->sys->dpy, EnterWindowMask|LeaveWindowMask, &ev))
+ printf("Skipping enter/leave event\n");
}
void sys_raise(win_t *win)
{
- printf("sys_raise: %p\n", win);
- XRaiseWindow(win->sys->dpy, win->sys->win);
+ //printf("sys_raise: %p\n", win);
+ XRaiseWindow(win->sys->dpy, win->sys->xid);
+}
+
+void sys_focus(win_t *win)
+{
+ printf("sys_focus: %p\n", win);
+ XEvent ev = {
+ .type = ClientMessage,
+ .xclient.window = win->sys->xid,
+ .xclient.message_type = atoms[wm_proto],
+ .xclient.format = 32,
+ .xclient.data.l[0] = atoms[wm_focus],
+ .xclient.data.l[1] = CurrentTime,
+ };
+ XSetInputFocus(win->sys->dpy, win->sys->xid,
+ RevertToPointerRoot, CurrentTime);
+ //XSetInputFocus(win->sys->dpy, PointerRoot,
+ // RevertToPointerRoot, CurrentTime);
+ XSendEvent(win->sys->dpy, win->sys->xid, False, NoEventMask, &ev);
}
void sys_watch(win_t *win, Key_t key, mod_t mod)
{
+ //printf("sys_watch: %p - %x %hhx\n", win, key, mod);
if (key_mouse0 <= key && key <= key_mouse7)
- XGrabButton(win->sys->dpy, btn2x(key), mod2x(mod), win->sys->win, True,
+ XGrabButton(win->sys->dpy, btn2x(key), mod2x(mod), win->sys->xid, True,
mod.up ? ButtonReleaseMask : ButtonPressMask,
GrabModeAsync, GrabModeAsync, None, None);
+ else if (key == key_enter)
+ XSelectInput(win->sys->dpy, win->sys->xid, EnterWindowMask);
+ else if (key == key_leave)
+ XSelectInput(win->sys->dpy, win->sys->xid, LeaveWindowMask);
+ else if (key == key_focus || key == key_unfocus)
+ XSelectInput(win->sys->dpy, win->sys->xid, FocusChangeMask);
else
XGrabKey(win->sys->dpy, XKeysymToKeycode(win->sys->dpy, key2x(key)),
- mod2x(mod), win->sys->win, True, GrabModeAsync, GrabModeAsync);
+ mod2x(mod), win->sys->xid, True, GrabModeAsync, GrabModeAsync);
}
win_t *sys_init(void)
{
- Display *xdpy = XOpenDisplay(NULL);
- Window xwin = DefaultRootWindow(xdpy);
- return win_new(xdpy, xwin);
+ Display *dpy;
+ Window xid;
+
+ if (!(dpy = XOpenDisplay(NULL)))
+ error("Unable to get display");
+ if (!(xid = DefaultRootWindow(dpy)))
+ error("Unable to get root window");
+ atoms[wm_proto] = XInternAtom(dpy, "WM_PROTOCOLS", False);
+ atoms[wm_focus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
+ XSelectInput(dpy, xid, SubstructureRedirectMask|SubstructureNotifyMask);
+
+ //XSetInputFocus(dpy, None, RevertToNone, CurrentTime);
+ return win_find(dpy, xid, 1);
}
void sys_run(win_t *root)
{
- Display *dpy = root->sys->dpy;
+ /* Add each initial window */
+ unsigned int nkids;
+ Window par, xid, *kids = NULL;
+ if (XQueryTree(root->sys->dpy, root->sys->xid,
+ &par, &xid, &kids, &nkids))
+ for(int i = 0; i < nkids; i++) {
+ win_t *win = win_find(root->sys->dpy, kids[i], 1);
+ if (win && win_viewable(win))
+ wm_insert(win);
+ }
+
+ /* Main loop */
for(;;)
{
XEvent ev;
- XNextEvent(dpy, &ev);
- //printf("event: %d\n", ev.type);
- if (ev.type == KeyPress) {
- while (XCheckTypedEvent(dpy, KeyPress, &ev));
- KeySym sym = XKeycodeToKeysym(dpy, ev.xkey.keycode, 0);
- wm_handle_key(win_new(dpy, ev.xkey.subwindow),
- x2key(sym), x2mod(ev.xkey.state,0), x2ptr(ev));
- }
- else if (ev.type == ButtonPress) {
- wm_handle_key(win_new(dpy, ev.xkey.subwindow),
- x2btn(ev.xbutton.button),
- x2mod(ev.xbutton.state,0), x2ptr(ev));
- XGrabPointer(dpy, ev.xkey.subwindow, True,
- PointerMotionMask|ButtonReleaseMask, GrabModeAsync,
- GrabModeAsync, None, None, CurrentTime);
- }
- else if(ev.type == ButtonRelease) {
- XUngrabPointer(dpy, CurrentTime);
- wm_handle_key(win_new(dpy, ev.xkey.subwindow),
- x2btn(ev.xbutton.button),
- x2mod(ev.xbutton.state,1), x2ptr(ev));
- }
- else if(ev.type == MotionNotify) {
- while (XCheckTypedEvent(dpy, MotionNotify, &ev));
- wm_handle_ptr(win_new(dpy, ev.xkey.subwindow), x2ptr(ev));
- }
+ XNextEvent(root->sys->dpy, &ev);
+ process_event(ev.type, &ev, root);
}
}
projects / wmpus / blobdiff