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418 lines
8.9 KiB
418 lines
8.9 KiB
/*
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* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include "dwm.h"
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#include <stdlib.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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/* static */
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typedef struct {
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unsigned long mod;
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KeySym keysym;
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void (*func)(Arg *arg);
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Arg arg;
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} Key;
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KEYS
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#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
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static void
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synconfig(Client *c, int x, int y, int w, int h, unsigned int border) {
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XEvent synev;
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synev.type = ConfigureNotify;
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synev.xconfigure.display = dpy;
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synev.xconfigure.event = c->win;
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synev.xconfigure.window = c->win;
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synev.xconfigure.x = x;
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synev.xconfigure.y = y;
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synev.xconfigure.width = w;
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synev.xconfigure.height = h;
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synev.xconfigure.border_width = border;
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synev.xconfigure.above = None;
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XSendEvent(dpy, c->win, True, NoEventMask, &synev);
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}
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static void
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movemouse(Client *c) {
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int x1, y1, ocx, ocy, di;
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unsigned int dui;
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Window dummy;
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XEvent ev;
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ocx = c->x;
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ocy = c->y;
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if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
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None, cursor[CurMove], CurrentTime) != GrabSuccess)
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return;
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XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
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for(;;) {
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XMaskEvent(dpy, MOUSEMASK | ExposureMask | StructureNotifyMask, &ev);
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switch (ev.type) {
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default:
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break;
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case ConfigureRequest:
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synconfig(c, c->x, c->y, c->w, c->h, ev.xconfigure.border_width);
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XSync(dpy, False);
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break;
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case Expose:
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handler[Expose](&ev);
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break;
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case MotionNotify:
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XSync(dpy, False);
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c->x = ocx + (ev.xmotion.x - x1);
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c->y = ocy + (ev.xmotion.y - y1);
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resize(c, False, TopLeft);
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break;
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case ButtonRelease:
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XUngrabPointer(dpy, CurrentTime);
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return;
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case DestroyNotify:
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case UnmapNotify:
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XUngrabPointer(dpy, CurrentTime);
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handler[ev.type](&ev);
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return;
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}
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}
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}
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static void
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resizemouse(Client *c) {
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int ocx, ocy;
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int nw, nh;
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Corner sticky;
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XEvent ev;
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ocx = c->x;
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ocy = c->y;
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if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
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None, cursor[CurResize], CurrentTime) != GrabSuccess)
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return;
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XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
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for(;;) {
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XMaskEvent(dpy, MOUSEMASK | ExposureMask | StructureNotifyMask, &ev);
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switch(ev.type) {
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default:
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break;
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case ConfigureRequest:
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synconfig(c, c->x, c->y, c->w, c->h, ev.xconfigure.border_width);
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XSync(dpy, False);
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break;
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case Expose:
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handler[Expose](&ev);
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break;
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case MotionNotify:
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XSync(dpy, False);
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if((nw = abs(ocx - ev.xmotion.x)))
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c->w = nw;
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if((nh = abs(ocy - ev.xmotion.y)))
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c->h = nh;
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c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;
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c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;
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if(ocx <= ev.xmotion.x)
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sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft;
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else
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sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight;
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resize(c, True, sticky);
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break;
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case ButtonRelease:
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XUngrabPointer(dpy, CurrentTime);
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return;
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case DestroyNotify:
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case UnmapNotify:
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XUngrabPointer(dpy, CurrentTime);
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handler[ev.type](&ev);
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return;
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}
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}
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}
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static void
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buttonpress(XEvent *e) {
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int x;
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Arg a;
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Client *c;
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XButtonPressedEvent *ev = &e->xbutton;
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if(barwin == ev->window) {
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x = 0;
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for(a.i = 0; a.i < ntags; a.i++) {
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x += textw(tags[a.i]);
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if(ev->x < x) {
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if(ev->button == Button1) {
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if(ev->state & MODKEY)
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tag(&a);
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else
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view(&a);
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}
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else if(ev->button == Button3) {
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if(ev->state & MODKEY)
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toggletag(&a);
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else
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toggleview(&a);
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}
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return;
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}
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}
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if(ev->x < x + bmw) {
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if(ev->button == Button1)
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togglemode(NULL);
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}
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}
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else if((c = getclient(ev->window))) {
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focus(c);
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if(CLEANMASK(ev->state) != MODKEY)
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return;
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if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) {
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restack(c);
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movemouse(c);
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}
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else if(ev->button == Button2)
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zoom(NULL);
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else if(ev->button == Button3 && (arrange == dofloat || c->isfloat)) {
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restack(c);
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resizemouse(c);
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}
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}
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}
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static void
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configurerequest(XEvent *e) {
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unsigned long newmask;
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Client *c;
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XConfigureRequestEvent *ev = &e->xconfigurerequest;
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XWindowChanges wc;
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if((c = getclient(ev->window))) {
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if((c == sel) && !c->isfloat && (arrange != dofloat)) {
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synconfig(c, sx, sy + bh, sw - 2, sh - 2 - bh, ev->border_width);
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XSync(dpy, False);
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return;
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}
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gravitate(c, True);
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if(ev->value_mask & CWX)
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c->x = ev->x;
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if(ev->value_mask & CWY)
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c->y = ev->y;
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if(ev->value_mask & CWWidth)
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c->w = ev->width;
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if(ev->value_mask & CWHeight)
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c->h = ev->height;
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if(ev->value_mask & CWBorderWidth)
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c->border = ev->border_width;
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gravitate(c, False);
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wc.x = c->x;
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wc.y = c->y;
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wc.width = c->w;
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wc.height = c->h;
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newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth));
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if(newmask)
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XConfigureWindow(dpy, c->win, newmask, &wc);
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else
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synconfig(c, c->x, c->y, c->w, c->h, c->border);
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XSync(dpy, False);
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if(c->isfloat)
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resize(c, False, TopLeft);
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else
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arrange(NULL);
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}
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else {
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wc.x = ev->x;
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wc.y = ev->y;
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wc.width = ev->width;
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wc.height = ev->height;
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wc.border_width = ev->border_width;
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wc.sibling = ev->above;
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wc.stack_mode = ev->detail;
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XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
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XSync(dpy, False);
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}
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}
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static void
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destroynotify(XEvent *e) {
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Client *c;
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XDestroyWindowEvent *ev = &e->xdestroywindow;
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if((c = getclient(ev->window)))
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unmanage(c);
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}
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static void
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enternotify(XEvent *e) {
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Client *c;
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XCrossingEvent *ev = &e->xcrossing;
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if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
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return;
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if(((c = getclient(ev->window)) || (c = getctitle(ev->window))) && isvisible(c))
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focus(c);
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else if(ev->window == root) {
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issel = True;
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XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
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drawall();
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}
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}
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static void
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expose(XEvent *e) {
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Client *c;
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XExposeEvent *ev = &e->xexpose;
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if(ev->count == 0) {
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if(barwin == ev->window)
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drawstatus();
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else if((c = getctitle(ev->window)))
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drawtitle(c);
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}
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}
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static void
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keypress(XEvent *e) {
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static unsigned int len = sizeof(key) / sizeof(key[0]);
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unsigned int i;
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KeySym keysym;
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XKeyEvent *ev = &e->xkey;
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keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
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for(i = 0; i < len; i++) {
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if(keysym == key[i].keysym
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&& CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
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{
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if(key[i].func)
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key[i].func(&key[i].arg);
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return;
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}
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}
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}
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static void
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leavenotify(XEvent *e) {
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XCrossingEvent *ev = &e->xcrossing;
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if((ev->window == root) && !ev->same_screen) {
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issel = False;
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drawall();
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}
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}
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static void
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mappingnotify(XEvent *e) {
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XMappingEvent *ev = &e->xmapping;
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XRefreshKeyboardMapping(ev);
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if(ev->request == MappingKeyboard)
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grabkeys();
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}
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static void
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maprequest(XEvent *e) {
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static XWindowAttributes wa;
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XMapRequestEvent *ev = &e->xmaprequest;
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if(!XGetWindowAttributes(dpy, ev->window, &wa))
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return;
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if(wa.override_redirect) {
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XSelectInput(dpy, ev->window,
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(StructureNotifyMask | PropertyChangeMask));
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return;
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}
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if(!getclient(ev->window))
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manage(ev->window, &wa);
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}
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static void
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propertynotify(XEvent *e) {
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Client *c;
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Window trans;
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XPropertyEvent *ev = &e->xproperty;
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if(ev->state == PropertyDelete)
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return; /* ignore */
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if((c = getclient(ev->window))) {
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if(ev->atom == wmatom[WMProtocols]) {
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c->proto = getproto(c->win);
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return;
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}
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switch (ev->atom) {
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default: break;
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case XA_WM_TRANSIENT_FOR:
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XGetTransientForHint(dpy, c->win, &trans);
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if(!c->isfloat && (c->isfloat = (trans != 0)))
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arrange(NULL);
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break;
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case XA_WM_NORMAL_HINTS:
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updatesize(c);
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break;
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}
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if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
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updatetitle(c);
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drawtitle(c);
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}
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}
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}
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static void
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unmapnotify(XEvent *e) {
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Client *c;
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XUnmapEvent *ev = &e->xunmap;
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if((c = getclient(ev->window)))
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unmanage(c);
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}
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/* extern */
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void (*handler[LASTEvent]) (XEvent *) = {
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[ButtonPress] = buttonpress,
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[ConfigureRequest] = configurerequest,
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[DestroyNotify] = destroynotify,
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[EnterNotify] = enternotify,
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[LeaveNotify] = leavenotify,
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[Expose] = expose,
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[KeyPress] = keypress,
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[MappingNotify] = mappingnotify,
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[MapRequest] = maprequest,
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[PropertyNotify] = propertynotify,
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[UnmapNotify] = unmapnotify
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};
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void
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grabkeys() {
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static unsigned int len = sizeof(key) / sizeof(key[0]);
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unsigned int i;
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KeyCode code;
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XUngrabKey(dpy, AnyKey, AnyModifier, root);
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for(i = 0; i < len; i++) {
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code = XKeysymToKeycode(dpy, key[i].keysym);
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XGrabKey(dpy, code, key[i].mod, root, True,
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GrabModeAsync, GrabModeAsync);
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XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
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GrabModeAsync, GrabModeAsync);
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XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
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GrabModeAsync, GrabModeAsync);
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XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
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GrabModeAsync, GrabModeAsync);
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}
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}
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void
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procevent() {
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XEvent ev;
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while(XPending(dpy)) {
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XNextEvent(dpy, &ev);
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if(handler[ev.type])
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(handler[ev.type])(&ev); /* call handler */
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}
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}
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