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prepared 0.3
[dwm.git] / event.c
diff --git a/event.c b/event.c
index 93007df..6f99ea2 100644 (file)
--- a/event.c
+++ b/event.c
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
+#include "dwm.h"
 
-#include <fcntl.h>
 #include <stdlib.h>
-#include <string.h>
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
-#include "wm.h"
+#define ButtonMask      (ButtonPressMask | ButtonReleaseMask)
+#define MouseMask       (ButtonMask | PointerMotionMask)
 
-/* 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);
+/* CUSTOMIZE */
+const char *term[] = { "xterm", NULL };
 
-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
+Key key[] = {
+       /* modifier                             key                     function        arguments */
+       { ControlMask,                  XK_0,           appendtag,      { .i = Tscratch } }, 
+       { ControlMask,                  XK_1,           appendtag,      { .i = Tdev } }, 
+       { ControlMask,                  XK_2,           appendtag,      { .i = Twww } }, 
+       { ControlMask,                  XK_3,           appendtag,      { .i = Twork } }, 
+       { Mod1Mask,                             XK_0,           view,           { .i = Tscratch } }, 
+       { Mod1Mask,                             XK_1,           view,           { .i = Tdev } }, 
+       { Mod1Mask,                             XK_2,           view,           { .i = Twww } }, 
+       { Mod1Mask,                             XK_3,           view,           { .i = Twork } }, 
+       { Mod1Mask,                             XK_j,           focusnext,              { 0 } }, 
+       { Mod1Mask,                             XK_k,           focusprev,              { 0 } },
+       { Mod1Mask,                             XK_m,           maximize,               { 0 } }, 
+       { Mod1Mask,                             XK_space,       dotile,         { 0 } }, 
+       { Mod1Mask,                             XK_Return,      zoom,           { 0 } },
+       { ControlMask|ShiftMask,XK_0,           heretag,        { .i = Tscratch } }, 
+       { ControlMask|ShiftMask,XK_1,           heretag,        { .i = Tdev } }, 
+       { ControlMask|ShiftMask,XK_2,           heretag,        { .i = Twww } }, 
+       { ControlMask|ShiftMask,XK_3,           heretag,        { .i = Twork } }, 
+       { Mod1Mask|ShiftMask,   XK_0,           replacetag,             { .i = Tscratch } }, 
+       { Mod1Mask|ShiftMask,   XK_1,           replacetag,             { .i = Tdev } }, 
+       { Mod1Mask|ShiftMask,   XK_2,           replacetag,             { .i = Twww } }, 
+       { Mod1Mask|ShiftMask,   XK_3,           replacetag,             { .i = Twork } }, 
+       { Mod1Mask|ShiftMask,   XK_c,           killclient,             { 0 } }, 
+       { Mod1Mask|ShiftMask,   XK_q,           quit,           { 0 } },
+       { Mod1Mask|ShiftMask,   XK_space,       dofloat,        { 0 } }, 
+       { Mod1Mask|ShiftMask,   XK_Return,      spawn,          { .argv = term } },
 };
 
-void
-discard_events(long even_mask)
+/* static */
+
+static void
+movemouse(Client *c)
 {
        XEvent ev;
-       while(XCheckMaskEvent(dpy, even_mask, &ev));
+       int x1, y1, ocx, ocy, di;
+       unsigned int dui;
+       Window dummy;
+
+       ocx = *c->x;
+       ocy = *c->y;
+       if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
+                               None, cursor[CurMove], CurrentTime) != GrabSuccess)
+               return;
+       XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
+       for(;;) {
+               XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
+               switch (ev.type) {
+               default: break;
+               case Expose:
+                       handler[Expose](&ev);
+                       break;
+               case MotionNotify:
+                       XSync(dpy, False);
+                       *c->x = ocx + (ev.xmotion.x - x1);
+                       *c->y = ocy + (ev.xmotion.y - y1);
+                       resize(c, False, TopLeft);
+                       break;
+               case ButtonRelease:
+                       XUngrabPointer(dpy, CurrentTime);
+                       return;
+               }
+       }
+}
+
+static void
+resizemouse(Client *c)
+{
+       XEvent ev;
+       int ocx, ocy;
+       Corner sticky;
+
+       ocx = *c->x;
+       ocy = *c->y;
+       if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
+                               None, cursor[CurResize], CurrentTime) != GrabSuccess)
+               return;
+       XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, *c->w, *c->h);
+       for(;;) {
+               XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
+               switch(ev.type) {
+               default: break;
+               case Expose:
+                       handler[Expose](&ev);
+                       break;
+               case MotionNotify:
+                       XSync(dpy, False);
+                       *c->w = abs(ocx - ev.xmotion.x);
+                       *c->h = abs(ocy - ev.xmotion.y);
+                       *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;
+               }
+       }
 }
 
 static void
 buttonpress(XEvent *e)
 {
+       int x;
+       Arg a;
        XButtonPressedEvent *ev = &e->xbutton;
        Client *c;
 
-       if((c = getclient(ev->window))) {
-               raise(c);
+       if(barwin == ev->window) {
+               switch(ev->button) {
+               default:
+                       x = 0;
+                       for(a.i = 0; a.i < TLast; a.i++) {
+                               x += textw(tags[a.i]);
+                               if(ev->x < x) {
+                                       view(&a);
+                                       break;
+                               }
+                       }
+                       break;
+               case Button4:
+                       a.i = (tsel + 1 < TLast) ? tsel + 1 : 0;
+                       view(&a);
+                       break;
+               case Button5:
+                       a.i = (tsel - 1 >= 0) ? tsel - 1 : TLast - 1;
+                       view(&a);
+                       break;
+               }
+       }
+       else if((c = getclient(ev->window))) {
                switch(ev->button) {
                default:
                        break;
                case Button1:
-                       mmove(c);
+                       if(arrange == dotile && !c->isfloat) {
+                               if((ev->state & ControlMask) && (ev->button == Button1))
+                                       zoom(NULL);
+                       }
+                       else {
+                               higher(c);
+                               movemouse(c);
+                       }
                        break;
                case Button2:
                        lower(c);
                        break;
                case Button3:
-                       mresize(c);
+                       if(arrange == dofloat || c->isfloat) {
+                               higher(c);
+                               resizemouse(c);
+                       }
                        break;
                }
        }
@@ -79,16 +186,17 @@ configurerequest(XEvent *e)
        if((c = getclient(ev->window))) {
                gravitate(c, True);
                if(ev->value_mask & CWX)
-                       c->x = ev->x;
+                       *c->x = ev->x;
                if(ev->value_mask & CWY)
-                       c->y = ev->y;
+                       *c->y = ev->y;
                if(ev->value_mask & CWWidth)
-                       c->w = ev->width;
+                       *c->w = ev->width;
                if(ev->value_mask & CWHeight)
-                       c->h = ev->height;
+                       *c->h = ev->height;
                if(ev->value_mask & CWBorderWidth)
-                       c->border = ev->border_width;
+                       c->border = 1;
                gravitate(c, False);
+               resize(c, True, TopLeft);
        }
 
        wc.x = ev->x;
@@ -101,7 +209,7 @@ configurerequest(XEvent *e)
        ev->value_mask &= ~CWStackMode;
        ev->value_mask |= CWBorderWidth;
        XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
-       XFlush(dpy);
+       XSync(dpy, False);
 }
 
 static void
@@ -126,16 +234,7 @@ enternotify(XEvent *e)
        if((c = getclient(ev->window)))
                focus(c);
        else if(ev->window == root)
-               sel_screen = True;
-}
-
-static void
-leavenotify(XEvent *e)
-{
-       XCrossingEvent *ev = &e->xcrossing;
-
-       if((ev->window == root) && !ev->same_screen)
-               sel_screen = True;
+               issel = True;
 }
 
 static void
@@ -145,17 +244,37 @@ expose(XEvent *e)
        Client *c;
 
        if(ev->count == 0) {
-               if((c = gettitle(ev->window)))
-                       draw_client(c);
-               else if(ev->window == barwin)
-                       draw_bar();
+               if(barwin == ev->window)
+                       drawstatus();
+               else if((c = getctitle(ev->window)))
+                       drawtitle(c);
        }
 }
 
 static void
-keymapnotify(XEvent *e)
+keypress(XEvent *e)
 {
-       update_keys();
+       XKeyEvent *ev = &e->xkey;
+       static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
+       unsigned int i;
+       KeySym keysym;
+
+       keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
+       for(i = 0; i < len; i++)
+               if((keysym == key[i].keysym) && (key[i].mod == ev->state)) {
+                       if(key[i].func)
+                               key[i].func(&key[i].arg);
+                       return;
+               }
+}
+
+static void
+leavenotify(XEvent *e)
+{
+       XCrossingEvent *ev = &e->xcrossing;
+
+       if((ev->window == root) && !ev->same_screen)
+               issel = True;
 }
 
 static void
@@ -181,32 +300,31 @@ static void
 propertynotify(XEvent *e)
 {
        XPropertyEvent *ev = &e->xproperty;
+       Window trans;
        Client *c;
 
        if(ev->state == PropertyDelete)
                return; /* ignore */
 
-       if(ev->atom == wm_atom[WMProtocols]) {
-               c->proto = win_proto(c->win);
-               return;
-       }
        if((c = getclient(ev->window))) {
+               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, &c->trans);
+                               XGetTransientForHint(dpy, c->win, &trans);
+                               if(!c->isfloat && (c->isfloat = (trans != 0)))
+                                       arrange(NULL);
                                break;
-                               update_size(c);
                        case XA_WM_NORMAL_HINTS:
-                               update_size(c);
+                               setsize(c);
                                break;
                }
-               if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
-                       update_name(c);
-                       if(c == stack)
-                               draw_bar();
-                       else
-                               draw_client(c);
+               if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
+                       settitle(c);
+                       drawtitle(c);
                }
        }
 }
@@ -220,3 +338,33 @@ unmapnotify(XEvent *e)
        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,
+       [MapRequest] = maprequest,
+       [PropertyNotify] = propertynotify,
+       [UnmapNotify] = unmapnotify
+};
+
+void
+grabkeys()
+{
+       static unsigned int len = key ? sizeof(key) / sizeof(key[0]) : 0;
+       unsigned int i;
+       KeyCode code;
+
+       for(i = 0; i < len; i++) {
+               code = XKeysymToKeycode(dpy, key[i].keysym);
+               XUngrabKey(dpy, code, key[i].mod, root);
+               XGrabKey(dpy, code, key[i].mod, root, True,
+                               GrabModeAsync, GrabModeAsync);
+       }
+}