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removed crappy createnotify handler
[dwm.git] / event.c
diff --git a/event.c b/event.c
index b31c94f..ad4e271 100644 (file)
--- a/event.c
+++ b/event.c
@@ -1,262 +1,382 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
-#include <fcntl.h>
+/* See LICENSE file for copyright and license details. */
+#include "dwm.h"
+#include <stdio.h>
 #include <stdlib.h>
 #include <stdlib.h>
-#include <string.h>
 #include <X11/keysym.h>
 #include <X11/keysym.h>
+#include <X11/Xatom.h>
 
 
-#include "wm.h"
+/* static */
 
 
-/* local functions */
-static void configurerequest(XEvent *e);
-static void destroynotify(XEvent *e);
-static void enternotify(XEvent *e);
-static void leavenotify(XEvent *e);
-static void expose(XEvent *e);
-static void keypress(XEvent *e);
-static void keymapnotify(XEvent *e);
-static void maprequest(XEvent *e);
-static void propertynotify(XEvent *e);
-static void unmapnotify(XEvent *e);
+typedef struct {
+       unsigned long mod;
+       KeySym keysym;
+       void (*func)(const char *arg);
+       const char *arg;
+} Key;
 
 
-void (*handler[LASTEvent]) (XEvent *) = {
-       [ConfigureRequest] = configurerequest,
-       [DestroyNotify] = destroynotify,
-       [EnterNotify] = enternotify,
-       [LeaveNotify] = leavenotify,
-       [Expose] = expose,
-       [KeyPress] = keypress,
-       [KeymapNotify] = keymapnotify,
-       [MapRequest] = maprequest,
-       [PropertyNotify] = propertynotify,
-       [UnmapNotify] = unmapnotify
-};
+KEYS
 
 
-unsigned int
-flush_masked_events(long even_mask)
-{
-       XEvent ev;
-       unsigned int n = 0;
-       while(XCheckMaskEvent(dpy, even_mask, &ev)) n++;
-       return n;
+#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
+#define MOUSEMASK              (BUTTONMASK | PointerMotionMask)
+
+static Client *
+getclient(Window w) {
+       Client *c;
+
+       for(c = clients; c && c->win != w; c = c->next);
+       return c;
 }
 
 static void
 }
 
 static void
-configurerequest(XEvent *e)
-{
-#if 0
-       XConfigureRequestEvent *ev = &e->xconfigurerequest;
-       XWindowChanges wc;
-       XRectangle *frect;
-       Client *c;
+movemouse(Client *c) {
+       int x1, y1, ocx, ocy, di, nx, ny;
+       unsigned int dui;
+       Window dummy;
+       XEvent ev;
 
 
-       c = client_of_win(ev->window);
-       ev->value_mask &= ~CWSibling;
-       if(c) {
-               gravitate_client(c, True);
-
-               if(ev->value_mask & CWX)
-                       c->rect.x = ev->x;
-               if(ev->value_mask & CWY)
-                       c->rect.y = ev->y;
-               if(ev->value_mask & CWWidth)
-                       c->rect.width = ev->width;
-               if(ev->value_mask & CWHeight)
-                       c->rect.height = ev->height;
-               if(ev->value_mask & CWBorderWidth)
-                       c->border = ev->border_width;
+       ocx = nx = c->x;
+       ocy = ny = c->y;
+       if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
+                       None, cursor[CurMove], CurrentTime) != GrabSuccess)
+               return;
+       c->ismax = False;
+       XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
+       for(;;) {
+               XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
+               switch (ev.type) {
+               case ButtonRelease:
+                       XUngrabPointer(dpy, CurrentTime);
+                       return;
+               case ConfigureRequest:
+               case Expose:
+               case MapRequest:
+                       handler[ev.type](&ev);
+                       break;
+               case MotionNotify:
+                       XSync(dpy, False);
+                       nx = ocx + (ev.xmotion.x - x1);
+                       ny = ocy + (ev.xmotion.y - y1);
+                       if(abs(wax + nx) < SNAP)
+                               nx = wax;
+                       else if(abs((wax + waw) - (nx + c->w + 2 * c->border)) < SNAP)
+                               nx = wax + waw - c->w - 2 * c->border;
+                       if(abs(way - ny) < SNAP)
+                               ny = way;
+                       else if(abs((way + wah) - (ny + c->h + 2 * c->border)) < SNAP)
+                               ny = way + wah - c->h - 2 * c->border;
+                       resize(c, nx, ny, c->w, c->h, False);
+                       break;
+               }
+       }
+}
 
 
-               gravitate_client(c, False);
+static void
+resizemouse(Client *c) {
+       int ocx, ocy;
+       int nw, nh;
+       XEvent ev;
 
 
-               if(c->frame) {
-                       if(c->sel->area->floating)
-                               frect=&c->sel->rect;
-                       else
-                               frect=&c->sel->revert;
+       ocx = c->x;
+       ocy = c->y;
+       if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
+                       None, cursor[CurResize], CurrentTime) != GrabSuccess)
+               return;
+       c->ismax = False;
+       XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
+       for(;;) {
+               XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);
+               switch(ev.type) {
+               case ButtonRelease:
+                       XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
+                                       c->w + c->border - 1, c->h + c->border - 1);
+                       XUngrabPointer(dpy, CurrentTime);
+                       while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+                       return;
+               case ConfigureRequest:
+               case Expose:
+               case MapRequest:
+                       handler[ev.type](&ev);
+                       break;
+               case MotionNotify:
+                       XSync(dpy, False);
+                       if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
+                               nw = 1;
+                       if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
+                               nh = 1;
+                       resize(c, c->x, c->y, nw, nh, True);
+                       break;
+               }
+       }
+}
 
 
-                       if(c->rect.width >= screen->rect.width && c->rect.height >= screen->rect.height) {
-                               frect->y = wc.y = -height_of_bar();
-                               frect->x = wc.x = -def.border;
-                       }
-                       else {
-                               frect->y = wc.y = c->rect.y - height_of_bar();
-                               frect->x = wc.x = c->rect.x - def.border;
+static void
+buttonpress(XEvent *e) {
+       static char buf[32];
+       unsigned int i, x;
+       Client *c;
+       XButtonPressedEvent *ev = &e->xbutton;
+
+       buf[0] = 0;
+       if(barwin == ev->window) {
+               x = 0;
+               for(i = 0; i < ntags; i++) {
+                       x += textw(tags[i]);
+                       if(ev->x < x) {
+                               snprintf(buf, sizeof buf, "%d", i);
+                               if(ev->button == Button1) {
+                                       if(ev->state & MODKEY)
+                                               tag(buf);
+                                       else
+                                               view(buf);
+                               }
+                               else if(ev->button == Button3) {
+                                       if(ev->state & MODKEY)
+                                               toggletag(buf);
+                                       else
+                                               toggleview(buf);
+                               }
+                               return;
                        }
                        }
-                       frect->width = wc.width = c->rect.width + 2 * def.border;
-                       frect->height = wc.height = c->rect.height + def.border
-                               + height_of_bar();
-                       wc.border_width = 1;
-                       wc.sibling = None;
-                       wc.stack_mode = ev->detail;
-                       if(c->sel->area->view != screen->sel)
-                               wc.x += 2 * screen->rect.width;
-                       if(c->sel->area->floating) {
-                               XConfigureWindow(dpy, c->framewin, ev->value_mask, &wc);
-                               configure_client(c);
+               }
+               if(ev->x < x + blw)
+                       switch(ev->button) {
+                       case Button1:
+                               setlayout(NULL);
+                               break;
                        }
                        }
+       }
+       else if((c = getclient(ev->window))) {
+               focus(c);
+               if(CLEANMASK(ev->state) != MODKEY)
+                       return;
+               if(ev->button == Button1 && (lt->arrange == floating || c->isfloating)) {
+                       restack();
+                       movemouse(c);
+               }
+               else if(ev->button == Button2)
+                       zoom(NULL);
+               else if(ev->button == Button3
+               && (lt->arrange == floating || c->isfloating) && !c->isfixed)
+               {
+                       restack();
+                       resizemouse(c);
                }
        }
                }
        }
+}
 
 
-       wc.x = ev->x;
-       wc.y = ev->y;
-       wc.width = ev->width;
-       wc.height = ev->height;
+static void
+configurerequest(XEvent *e) {
+       Client *c;
+       XConfigureRequestEvent *ev = &e->xconfigurerequest;
+       XWindowChanges wc;
 
 
-       if(c && c->frame) {
-               wc.x = def.border;
-               wc.y = height_of_bar();
-               wc.width = c->sel->rect.width - 2 * def.border;
-               wc.height = c->sel->rect.height - def.border - height_of_bar();
+       if((c = getclient(ev->window))) {
+               c->ismax = False;
+               if(ev->value_mask & CWBorderWidth)
+                       c->border = ev->border_width;
+               if(c->isfixed || c->isfloating || (lt->arrange == floating)) {
+                       if(ev->value_mask & CWX)
+                               c->x = ev->x;
+                       if(ev->value_mask & CWY)
+                               c->y = ev->y;
+                       if(ev->value_mask & CWWidth)
+                               c->w = ev->width;
+                       if(ev->value_mask & CWHeight)
+                               c->h = ev->height;
+                       if((c->x + c->w) > sw && c->isfloating)
+                               c->x = sw / 2 - c->w / 2; /* center in x direction */
+                       if((c->y + c->h) > sh && c->isfloating)
+                               c->y = sh / 2 - c->h / 2; /* center in y direction */
+                       if((ev->value_mask & (CWX | CWY))
+                       && !(ev->value_mask & (CWWidth | CWHeight)))
+                               configure(c);
+                       if(isvisible(c))
+                               XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
+               }
+               else
+                       configure(c);
        }
        }
+       else {
+               wc.x = ev->x;
+               wc.y = ev->y;
+               wc.width = ev->width;
+               wc.height = ev->height;
+               wc.border_width = ev->border_width;
+               wc.sibling = ev->above;
+               wc.stack_mode = ev->detail;
+               XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
+       }
+       XSync(dpy, False);
+}
 
 
-       wc.border_width = 0;
-       wc.sibling = None;
-       wc.stack_mode = Above;
-       ev->value_mask &= ~CWStackMode;
-       ev->value_mask |= CWBorderWidth;
-       XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
-
-       XFlush(dpy);
-#endif
+static void
+configurenotify(XEvent *e) {
+       XConfigureEvent *ev = &e->xconfigure;
+
+       if (ev->window == root && (ev->width != sw || ev->height != sh)) {
+               sw = ev->width;
+               sh = ev->height;
+               XFreePixmap(dpy, dc.drawable);
+               dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+               XResizeWindow(dpy, barwin, sw, bh);
+               updatebarpos();
+               lt->arrange();
+       }
 }
 
 static void
 }
 
 static void
-destroynotify(XEvent *e)
-{
-#if 0
+destroynotify(XEvent *e) {
        Client *c;
        XDestroyWindowEvent *ev = &e->xdestroywindow;
 
        Client *c;
        XDestroyWindowEvent *ev = &e->xdestroywindow;
 
-       if((c = client_of_win(ev->window)))
-               destroy_client(c);
-#endif
+       if((c = getclient(ev->window)))
+               unmanage(c);
 }
 
 static void
 }
 
 static void
-enternotify(XEvent *e)
-{
-#if 0
-       XCrossingEvent *ev = &e->xcrossing;
+enternotify(XEvent *e) {
        Client *c;
        Client *c;
+       XCrossingEvent *ev = &e->xcrossing;
 
        if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
                return;
 
        if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
                return;
-
-       if((c = client_of_win(ev->window))) {
-               Frame *f = c->sel;
-               Area *a = f->area;
-               if(a->mode == Colmax)
-                       c = a->sel->client;
-               focus(c, False);
-       }
+       if((c = getclient(ev->window)))
+               focus(c);
        else if(ev->window == root) {
        else if(ev->window == root) {
-               sel_screen = True;
-               draw_frames();
+               selscreen = True;
+               focus(NULL);
        }
        }
-#endif
 }
 
 static void
 }
 
 static void
-leavenotify(XEvent *e)
-{
-       XCrossingEvent *ev = &e->xcrossing;
+expose(XEvent *e) {
+       XExposeEvent *ev = &e->xexpose;
 
 
-       if((ev->window == root) && !ev->same_screen) {
-               sel_screen = True;
-               /*draw_frames();*/
+       if(ev->count == 0) {
+               if(barwin == ev->window)
+                       drawstatus();
        }
 }
 
 static void
        }
 }
 
 static void
-expose(XEvent *e)
-{
-       XExposeEvent *ev = &e->xexpose;
+keypress(XEvent *e) {
+       static unsigned int len = sizeof key / sizeof key[0];
+       unsigned int i;
+       KeySym keysym;
+       XKeyEvent *ev = &e->xkey;
 
 
-       if(ev->count == 0) {
-               if(ev->window == barwin)
-                       draw_bar();
-       }
+       keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
+       for(i = 0; i < len; i++)
+               if(keysym == key[i].keysym
+               && CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
+               {
+                       if(key[i].func)
+                               key[i].func(key[i].arg);
+               }
 }
 
 static void
 }
 
 static void
-keypress(XEvent *e)
-{
-#if 0
-       XKeyEvent *ev = &e->xkey;
-       KeySym k = 0;
-       char buf[32];
-       int n;
-       static Frame *f;
-
-
-       ev->state &= valid_mask;
-       if((f = frame_of_win(ev->window))) {
-               buf[0] = 0;
-               n = XLookupString(ev, buf, sizeof(buf), &k, 0);
-               if(IsFunctionKey(k) || IsKeypadKey(k) || IsMiscFunctionKey(k)
-                               || IsPFKey(k) || IsPrivateKeypadKey(k))
-                       return;
-               buf[n] = 0;
-               blitz_kpress_input(&f->tagbar, ev->state, k, buf);
+leavenotify(XEvent *e) {
+       XCrossingEvent *ev = &e->xcrossing;
+
+       if((ev->window == root) && !ev->same_screen) {
+               selscreen = False;
+               focus(NULL);
        }
        }
-       else
-               key(root, ev->state, (KeyCode) ev->keycode);
-#endif
 }
 
 static void
 }
 
 static void
-keymapnotify(XEvent *e)
-{
-#if 0
-       update_keys();
-#endif
+mappingnotify(XEvent *e) {
+       XMappingEvent *ev = &e->xmapping;
+
+       XRefreshKeyboardMapping(ev);
+       if(ev->request == MappingKeyboard)
+               grabkeys();
 }
 
 static void
 }
 
 static void
-maprequest(XEvent *e)
-{
-       XMapRequestEvent *ev = &e->xmaprequest;
+maprequest(XEvent *e) {
        static XWindowAttributes wa;
        static XWindowAttributes wa;
+       XMapRequestEvent *ev = &e->xmaprequest;
 
        if(!XGetWindowAttributes(dpy, ev->window, &wa))
                return;
 
        if(!XGetWindowAttributes(dpy, ev->window, &wa))
                return;
-
-       if(wa.override_redirect) {
-               XSelectInput(dpy, ev->window,
-                               (StructureNotifyMask | PropertyChangeMask));
+       if(wa.override_redirect)
                return;
                return;
-       }
-
-       /*if(!client_of_win(ev->window))*/
-               manage(create_client(ev->window, &wa));
+       if(!getclient(ev->window))
+               manage(ev->window, &wa);
 }
 
 static void
 }
 
 static void
-propertynotify(XEvent *e)
-{
-#if 0
-       XPropertyEvent *ev = &e->xproperty;
+propertynotify(XEvent *e) {
        Client *c;
        Client *c;
+       Window trans;
+       XPropertyEvent *ev = &e->xproperty;
 
        if(ev->state == PropertyDelete)
                return; /* ignore */
 
        if(ev->state == PropertyDelete)
                return; /* ignore */
-
-       if((c = client_of_win(ev->window)))
-               prop_client(c, ev);
-#endif
+       if((c = getclient(ev->window))) {
+               switch (ev->atom) {
+                       default: break;
+                       case XA_WM_TRANSIENT_FOR:
+                               XGetTransientForHint(dpy, c->win, &trans);
+                               if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
+                                       lt->arrange();
+                               break;
+                       case XA_WM_NORMAL_HINTS:
+                               updatesizehints(c);
+                               break;
+               }
+               if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
+                       updatetitle(c);
+                       if(c == sel)
+                               drawstatus();
+               }
+       }
 }
 
 static void
 }
 
 static void
-unmapnotify(XEvent *e)
-{
-#if 0
+unmapnotify(XEvent *e) {
        Client *c;
        XUnmapEvent *ev = &e->xunmap;
 
        Client *c;
        XUnmapEvent *ev = &e->xunmap;
 
-       if((c = client_of_win(ev->window)))
-               destroy_client(c);
-#endif
+       if((c = getclient(ev->window)))
+               unmanage(c);
+}
+
+/* extern */
+
+void (*handler[LASTEvent]) (XEvent *) = {
+       [ButtonPress] = buttonpress,
+       [ConfigureRequest] = configurerequest,
+       [ConfigureNotify] = configurenotify,
+       [DestroyNotify] = destroynotify,
+       [EnterNotify] = enternotify,
+       [LeaveNotify] = leavenotify,
+       [Expose] = expose,
+       [KeyPress] = keypress,
+       [MappingNotify] = mappingnotify,
+       [MapRequest] = maprequest,
+       [PropertyNotify] = propertynotify,
+       [UnmapNotify] = unmapnotify
+};
+
+void
+grabkeys(void) {
+       static unsigned int len = sizeof key / sizeof key[0];
+       unsigned int i;
+       KeyCode code;
+
+       XUngrabKey(dpy, AnyKey, AnyModifier, root);
+       for(i = 0; i < len; i++) {
+               code = XKeysymToKeycode(dpy, key[i].keysym);
+               XGrabKey(dpy, code, key[i].mod, root, True,
+                               GrabModeAsync, GrabModeAsync);
+               XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
+                               GrabModeAsync, GrabModeAsync);
+               XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
+                               GrabModeAsync, GrabModeAsync);
+               XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
+                               GrabModeAsync, GrabModeAsync);
+       }
 }
 }