applied Jukkas remark (dunno if this is correct though)

[dwm.git] / event.c

diff --git a/event.c b/event.c
index 61dcec5..9f120d7 100644 (file)
--- a/event.c
+++ b/event.c
@@ -2,77 +2,199 @@
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */

-
-#include <fcntl.h>
-#include <stdio.h>
+#include "dwm.h"

 #include <stdlib.h>
 #include <stdlib.h>

-#include <string.h>

 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 

-#include "dwm.h"
+/* static */

 
 

-/* local functions */
-static void buttonpress(XEvent *e);
-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 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)(Arg *arg);
+       Arg arg;
+} Key;

 
 

-void (*handler[LASTEvent]) (XEvent *) = {
-       [ButtonPress] = buttonpress,
-       [ConfigureRequest] = configurerequest,
-       [DestroyNotify] = destroynotify,
-       [EnterNotify] = enternotify,
-       [LeaveNotify] = leavenotify,
-       [Expose] = expose,
-       [KeyPress] = keypress,
-       [KeymapNotify] = keymapnotify,
-       [MapRequest] = maprequest,
-       [PropertyNotify] = propertynotify,
-       [UnmapNotify] = unmapnotify
-};
+KEYS
+
+#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))

 
 static void
 
 static void

-buttonpress(XEvent *e)
-{
-       XButtonPressedEvent *ev = &e->xbutton;
-       Client *c;
+synconfig(Client *c, int x, int y, int w, int h, unsigned int border) {
+       XEvent synev;

 
 

-       if(barwin == ev->window)
-               barclick(ev);
-       else if((c = getclient(ev->window))) {
-               craise(c);
-               switch(ev->button) {
+       synev.type = ConfigureNotify;
+       synev.xconfigure.display = dpy;
+       synev.xconfigure.event = c->win;
+       synev.xconfigure.window = c->win;
+       synev.xconfigure.x = x;
+       synev.xconfigure.y = y;
+       synev.xconfigure.width = w;
+       synev.xconfigure.height = h;
+       synev.xconfigure.border_width = border;
+       synev.xconfigure.above = None;
+       XSendEvent(dpy, c->win, True, NoEventMask, &synev);
+}
+
+static void
+movemouse(Client *c) {
+       int x1, y1, ocx, ocy, di;
+       unsigned int dui;
+       Window dummy;
+       XEvent ev;
+
+       ocx = c->x;
+       ocy = 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 | StructureNotifyMask, &ev);
+               switch (ev.type) {

                default:
                        break;
                default:
                        break;

-               case Button1:
-                       mmove(c);
+               case ConfigureRequest:
+                       synconfig(c, c->x, c->y, c->w, c->h, ev.xconfigure.border_width);
+                       XSync(dpy, False);

                        break;
                        break;

-               case Button2:
-                       lower(c);
+               case Expose:
+                       handler[Expose](&ev);

                        break;
                        break;

-               case Button3:
-                       mresize(c);
+               case MotionNotify:
+                       XSync(dpy, False);
+                       c->x = ocx + (ev.xmotion.x - x1);
+                       c->y = ocy + (ev.xmotion.y - y1);
+                       resize(c, False, TopLeft);

                        break;
                        break;

+               case ButtonRelease:
+                       XUngrabPointer(dpy, CurrentTime);
+                       return;
+               case DestroyNotify:
+               case UnmapNotify:
+                       XUngrabPointer(dpy, CurrentTime);
+                       handler[ev.type](&ev);
+                       return;

                }
        }
 }
 
 static void
                }
        }
 }
 
 static void

-configurerequest(XEvent *e)
-{
+resizemouse(Client *c) {
+       int ocx, ocy;
+       int nw, nh;
+       Corner sticky;
+       XEvent ev;
+
+       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->h);
+       for(;;) {
+               XMaskEvent(dpy, MOUSEMASK | ExposureMask | StructureNotifyMask, &ev);
+               switch(ev.type) {
+               default:
+                       break;
+               case ConfigureRequest:
+                       synconfig(c, c->x, c->y, c->w, c->h, ev.xconfigure.border_width);
+                       XSync(dpy, False);
+                       break;
+               case Expose:
+                       handler[Expose](&ev);
+                       break;
+               case MotionNotify:
+                       XSync(dpy, False);
+                       if((nw = abs(ocx - ev.xmotion.x)))
+                               c->w = nw;
+                       if((nh = abs(ocy - ev.xmotion.y)))
+                               c->h = nh;
+                       c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
+                       c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
+                       if(ocx <= ev.xmotion.x)
+                               sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
+                       else
+                               sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
+                       resize(c, True, sticky);
+                       break;
+               case ButtonRelease:
+                       XUngrabPointer(dpy, CurrentTime);
+                       return;
+               case DestroyNotify:
+               case UnmapNotify:
+                       XUngrabPointer(dpy, CurrentTime);
+                       handler[ev.type](&ev);
+                       return;
+               }
+       }
+}
+
+static void
+buttonpress(XEvent *e) {
+       int x;
+       Arg a;
+       Client *c;
+       XButtonPressedEvent *ev = &e->xbutton;
+
+       if(barwin == ev->window) {
+               x = 0;
+               for(a.i = 0; a.i < ntags; a.i++) {
+                       x += textw(tags[a.i]);
+                       if(ev->x < x) {
+                               if(ev->button == Button1) {
+                                       if(ev->state & MODKEY)
+                                               tag(&a);
+                                       else
+                                               view(&a);
+                               }
+                               else if(ev->button == Button3) {
+                                       if(ev->state & MODKEY)
+                                               toggletag(&a);
+                                       else
+                                               toggleview(&a);
+                               }
+                               return;
+                       }
+               }
+               if(ev->x < x + bmw) {
+                       if(ev->button == Button1)
+                               togglemode(NULL);
+               }
+       }
+       else if((c = getclient(ev->window))) {
+               focus(c);
+               if(CLEANMASK(ev->state) != MODKEY)
+                       return;
+               if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
+                       restack(c);
+                       movemouse(c);
+               }
+               else if(ev->button == Button2)
+                       zoom(NULL);
+               else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
+                       restack(c);
+                       resizemouse(c);
+               }
+       }
+}
+
+static void
+configurerequest(XEvent *e) {
+       unsigned long newmask;
+       Client *c;

        XConfigureRequestEvent *ev = &e->xconfigurerequest;
        XWindowChanges wc;
        XConfigureRequestEvent *ev = &e->xconfigurerequest;
        XWindowChanges wc;

-       Client *c;

 
 

-       ev->value_mask &= ~CWSibling;

        if((c = getclient(ev->window))) {
        if((c = getclient(ev->window))) {

+               if((c == sel) && !c->isfloat && (arrange != dofloat)) {
+                       synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);
+                       XSync(dpy, False);
+                       return;
+               }

                gravitate(c, True);
                if(ev->value_mask & CWX)
                        c->x = ev->x;
                gravitate(c, True);
                if(ev->value_mask & CWX)
                        c->x = ev->x;


@@ -83,27 +205,38 @@ configurerequest(XEvent *e)
                if(ev->value_mask & CWHeight)
                        c->h = ev->height;
                if(ev->value_mask & CWBorderWidth)
                if(ev->value_mask & CWHeight)
                        c->h = ev->height;
                if(ev->value_mask & CWBorderWidth)

-                       c->border = 1;
+                       c->border = ev->border_width;

                gravitate(c, False);
                gravitate(c, False);

-               resize(c, True);
+               wc.x = c->x;
+               wc.y = c->y;
+               wc.width = c->w;
+               wc.height = c->h;
+               newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
+               if(newmask)
+                       XConfigureWindow(dpy, c->win, newmask, &wc);
+               else
+                       synconfig(c, c->x, c->y, c->w, c->h, c->border);
+               XSync(dpy, False);
+               if(c->isfloat)
+                       resize(c, False, TopLeft);
+               else
+                       arrange(NULL);
+       }
+       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.x = ev->x;
-       wc.y = ev->y;
-       wc.width = ev->width;
-       wc.height = ev->height;
-       wc.border_width = 1;
-       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);

 }
 
 static void
 }
 
 static void

-destroynotify(XEvent *e)
-{
+destroynotify(XEvent *e) {

        Client *c;
        XDestroyWindowEvent *ev = &e->xdestroywindow;
 
        Client *c;
        XDestroyWindowEvent *ev = &e->xdestroywindow;
 


@@ -112,54 +245,77 @@ destroynotify(XEvent *e)
 }
 
 static void
 }
 
 static void

-enternotify(XEvent *e)
-{
-       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 = getclient(ev->window)))
+       if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))

                focus(c);
                focus(c);

-       else if(ev->window == root)
+       else if(ev->window == root) {

                issel = True;
                issel = True;

+               XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+               drawall();
+       }

 }
 
 static void
 }
 
 static void

-leavenotify(XEvent *e)
-{
-       XCrossingEvent *ev = &e->xcrossing;
+expose(XEvent *e) {
+       Client *c;
+       XExposeEvent *ev = &e->xexpose;

 
 

-       if((ev->window == root) && !ev->same_screen)
-               issel = True;
+       if(ev->count == 0) {
+               if(barwin == ev->window)
+                       drawstatus();
+               else if((c = getctitle(ev->window)))
+                       drawtitle(c);
+       }

 }
 
 static void
 }
 
 static void

-expose(XEvent *e)
-{
-       XExposeEvent *ev = &e->xexpose;
-       Client *c;
+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(barwin == ev->window)
-                       draw_bar();
-               else if((c = gettitle(ev->window)))
-                       draw_client(c);
+       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);
+                       return;
+               }

        }
 }
 
 static void
        }
 }
 
 static void

-keymapnotify(XEvent *e)
-{
-       update_keys();
+leavenotify(XEvent *e) {
+       XCrossingEvent *ev = &e->xcrossing;
+
+       if((ev->window == root) && !ev->same_screen) {
+               issel = False;
+               drawall();
+       }

 }
 
 static void
 }
 
 static void

-maprequest(XEvent *e)
-{
-       XMapRequestEvent *ev = &e->xmaprequest;
+mappingnotify(XEvent *e) {
+       XMappingEvent *ev = &e->xmapping;
+
+       XRefreshKeyboardMapping(ev);
+       if(ev->request == MappingKeyboard)
+               grabkeys();
+}
+
+static void
+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;


@@ -175,44 +331,89 @@ maprequest(XEvent *e)
 }
 
 static void
 }
 
 static void

-propertynotify(XEvent *e)
-{
-       XPropertyEvent *ev = &e->xproperty;
-       Window trans;
+propertynotify(XEvent *e) {

        Client *c;
        Client *c;

+       Window trans;
+       XPropertyEvent *ev = &e->xproperty;

 
        if(ev->state == PropertyDelete)
                return; /* ignore */
 
        if((c = getclient(ev->window))) {
 
        if(ev->state == PropertyDelete)
                return; /* ignore */
 
        if((c = getclient(ev->window))) {

-               if(ev->atom == wm_atom[WMProtocols]) {
-                       c->proto = win_proto(c->win);
+               if(ev->atom == wmatom[WMProtocols]) {
+                       c->proto = getproto(c->win);

                        return;
                }
                switch (ev->atom) {
                        default: break;
                        case XA_WM_TRANSIENT_FOR:
                                XGetTransientForHint(dpy, c->win, &trans);
                        return;
                }
                switch (ev->atom) {
                        default: break;
                        case XA_WM_TRANSIENT_FOR:
                                XGetTransientForHint(dpy, c->win, &trans);

-                               if(!c->floating && (c->floating = (trans != 0)))
+                               if(!c->isfloat && (c->isfloat = (trans != 0)))

                                        arrange(NULL);
                                break;
                        case XA_WM_NORMAL_HINTS:
                                        arrange(NULL);
                                break;
                        case XA_WM_NORMAL_HINTS:

-                               update_size(c);
+                               updatesize(c);

                                break;
                }
                                break;
                }

-               if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
-                       update_name(c);
-                       draw_client(c);
+               if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
+                       updatetitle(c);
+                       drawtitle(c);

                }
        }
 }
 
 static void
                }
        }
 }
 
 static void

-unmapnotify(XEvent *e)
-{
+unmapnotify(XEvent *e) {

        Client *c;
        XUnmapEvent *ev = &e->xunmap;
 
        if((c = getclient(ev->window)))
                unmanage(c);
 }
        Client *c;
        XUnmapEvent *ev = &e->xunmap;
 
        if((c = getclient(ev->window)))
                unmanage(c);
 }

+
+/* extern */
+
+void (*handler[LASTEvent]) (XEvent *) = {
+       [ButtonPress] = buttonpress,
+       [ConfigureRequest] = configurerequest,
+       [DestroyNotify] = destroynotify,
+       [EnterNotify] = enternotify,
+       [LeaveNotify] = leavenotify,
+       [Expose] = expose,
+       [KeyPress] = keypress,
+       [MappingNotify] = mappingnotify,
+       [MapRequest] = maprequest,
+       [PropertyNotify] = propertynotify,
+       [UnmapNotify] = unmapnotify
+};
+
+void
+grabkeys() {
+       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);
+       }
+}
+
+void
+procevent() {
+       XEvent ev;
+
+       while(XPending(dpy)) {
+               XNextEvent(dpy, &ev);
+               if(handler[ev.type])
+                       (handler[ev.type])(&ev); /* call handler */
+       }
+}