]> Pileus Git - wmpus/blobdiff - sys-x11.c
Improve window management
[wmpus] / sys-x11.c
index 76195a919bb3be1d1ebcf961d69a01b55fca785c..ed2a9e4d77bd04004ad0a5591319a726f0118c49 100644 (file)
--- a/sys-x11.c
+++ b/sys-x11.c
@@ -1,5 +1,6 @@
 #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;
 };
 
-/* Conversion functions */
-struct {
+typedef struct {
        Key_t key;
        int   sym;
-} keymap[] = {
+} keymap_t;
+
+/* Global data */
+void *win_cache = NULL;
+
+/* Conversion functions */
+keymap_t key2sym[] = {
        {key_left    , XK_Left },
        {key_right   , XK_Right},
        {key_up      , XK_Up   },
@@ -42,15 +48,18 @@ struct {
        {key_f12     , XK_F12  },
 };
 
-mod_t x2mod(unsigned int state)
+/* - Modifiers */
+mod_t x2mod(unsigned int state, int up)
 {
        return (mod_t){
               .alt   = !!(state & Mod1Mask   ),
               .ctrl  = !!(state & ControlMask),
               .shift = !!(state & ShiftMask  ),
               .win   = !!(state & Mod4Mask   ),
+              .up    = up,
        };
 }
+
 unsigned int mod2x(mod_t mod)
 {
        return mod.alt   ? Mod1Mask    : 0
@@ -59,116 +68,214 @@ unsigned int mod2x(mod_t mod)
             | mod.win   ? Mod4Mask    : 0;
 }
 
+/* - Keycodes */
+Key_t x2key(KeySym sym)
+{
+       keymap_t *km = map_getr(key2sym,sym);
+       return km ? km->key : sym;
+}
+
 KeySym key2x(Key_t key)
 {
-       for (int i = 0; i < countof(keymap); i++)
-               if (keymap[i].key == key)
-                       return keymap[i].sym;
-       return key;
+       keymap_t *km = map_get(key2sym,key);
+       return km ? km->sym : key;
 }
-Key_t x2key(KeySym sym)
+
+Key_t x2btn(int btn)
 {
-       for (int i = 0; i < countof(keymap); i++)
-               if (keymap[i].sym == sym)
-                       return keymap[i].key;
-       return sym;
+       return btn + key_mouse0;
 }
 
 int btn2x(Key_t key)
 {
        return key - key_mouse0;
 }
-Key_t x2btn(int btn)
+
+/* - Pointers */
+ptr_t x2ptr(XEvent *_ev)
 {
-       return btn + key_mouse0;
+       XKeyEvent *ev = &_ev->xkey;
+       return (ptr_t){ev->x, ev->y, ev->x_root, ev->y_root};
+}
+
+/* Helper functions */
+win_t *win_new(Display *dpy, Window xid)
+{
+       XWindowAttributes attr;
+       XGetWindowAttributes(dpy, xid, &attr);
+       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 = dpy;
+       win->sys->xid = xid;
+       printf("win_new: %p = %p, %d\n", win, dpy, (int)xid);
+       return 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)
+{
+       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};
+       return *(win_t**)(tfind(&tmp, &win_cache, win_cmp) ?:
+               tsearch(win_new(dpy,xid), &win_cache, win_cmp));
+}
+
+void win_remove(win_t *win)
+{
+       tdelete(win, &win_cache, win_cmp);
+       free(win->sys);
+       free(win);
 }
 
-ptr_t x2ptr(XEvent _ev)
+/* Callbacks */
+void process_event(int type, XEvent *ev, win_t *root)
 {
-       XKeyEvent ev = _ev.xkey;
-       return (ptr_t){ev.x, ev.y, ev.x_root, ev.y_root};
+       Display  *dpy = root->sys->dpy;
+       Window    rid = root->sys->xid;
+
+       /* Common data for all these events ... */
+       win_t *win = NULL; ptr_t ptr; mod_t mod;
+       if (type == KeyPress    || type == KeyRelease    ||
+           type == ButtonPress || type == ButtonRelease ||
+           type == MotionNotify) {
+               Window xid = ev->xkey.subwindow ?: rid;
+               win = win_find(dpy,xid);
+               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, win->sys->xid, 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 == ConfigureNotify) {
+               //printf("configure: %d\n", type);
+       }
+       else if (type == MapNotify) {
+               //printf("map: %d\n", type);
+       }
+       else if (type == DestroyNotify) {
+               //printf("destory: %d\n", type);
+               win_remove(win_find(dpy,ev->xdestroywindow.window));
+       }
+       else if (type == UnmapNotify) {
+               //printf("unmap: %d\n", type);
+               wm_remove(win_find(dpy,ev->xmap.window));
+       }
+       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);
+               wm_insert(win_find(dpy,ev->xmaprequest.window));
+               XMapWindow(dpy,ev->xmaprequest.window);
+       }
+       else {
+               printf("unknown event: %d\n", type);
+       }
 }
 
-/* Functions */
+/*****************
+ * 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);
 }
 
 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_raise: %p\n", win);
+       XSetInputFocus(win->sys->dpy, win->sys->xid,
+                       RevertToNone, CurrentTime);
 }
 
 void sys_watch(win_t *win, Key_t key, mod_t 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
                XGrabKey(win->sys->dpy, XKeysymToKeycode(win->sys->dpy, key2x(key)),
-                               mod2x(mod), win->sys->win, True, GrabModeAsync, GrabModeAsync);
-}
-
-win_t *win_new(Display *xdpy, Window xwin)
-{
-       XWindowAttributes attr;
-       XGetWindowAttributes(xdpy, xwin, &attr);
-       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;
-       return win;
-}
-void win_free(win_t *win)
-{
-       free(win->sys);
-       free(win);
+                               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 = XOpenDisplay(NULL);
+       Window   xid = DefaultRootWindow(dpy);
+       XSelectInput(dpy, xid, SubstructureNotifyMask|SubstructureRedirectMask);
+       return win_find(dpy, xid);
 }
 
 void sys_run(win_t *root)
 {
-       Display *dpy = root->sys->dpy;
+       /* Add each initial window */
+       unsigned int nkids;
+       Window par, win, *kids = NULL;
+       if (XQueryTree(root->sys->dpy, root->sys->xid,
+                               &par, &win, &kids, &nkids))
+               for(int i = 0; i < nkids; i++)
+                       wm_insert(win_find(root->sys->dpy, kids[i]));
+
+       /* Main loop */
        for(;;)
        {
                XEvent ev;
-               XNextEvent(dpy, &ev);
-               printf("event: %d\n", ev.type);
-               if (ev.type == KeyPress && ev.xkey.subwindow) {
-                       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), x2ptr(ev));
-               }
-               else if (ev.type == ButtonPress && ev.xbutton.subwindow) {
-                       wm_handle_key(win_new(dpy, ev.xkey.subwindow),
-                                       x2btn(ev.xbutton.button), MOD(.up=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), MOD(.up=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);
        }
 }