416 lines
13 KiB
C
416 lines
13 KiB
C
/* See LICENSE file for copyright and license details. */
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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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#include <X11/Xutil.h>
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#include "jdwm.h"
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#include "util.h"
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#include "event.h"
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#include "layout.h"
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#include "tag.h"
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#include "layouts/tile.h"
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#include "layouts/floating.h"
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/* extern */
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extern int screen, sw, sh; /* screen geometry */
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extern int wax, way, wah, waw; /* windowarea geometry */
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extern int bh, blw; /* bar height, bar layout label width */
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extern Window barwin;
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extern DC dc; /* global draw context */
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extern Cursor cursor[CurLast];
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extern Client *clients, *sel; /* global client list */
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extern Bool selscreen;
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extern Atom netatom[NetLast];
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void (*handler[LASTEvent]) (XEvent *, jdwm_config *); /* event handler */
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#define CLEANMASK(mask) (mask & ~(jdwmconf->numlockmask | LockMask))
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#define MOUSEMASK (BUTTONMASK | PointerMotionMask)
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static Client *
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getclient(Window w)
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{
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Client *c;
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for(c = clients; c && c->win != w; c = c->next);
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return c;
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}
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static void
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movemouse(Client * c, jdwm_config *jdwmconf)
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{
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int x1, y1, ocx, ocy, di, nx, ny;
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unsigned int dui;
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Window dummy;
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XEvent ev;
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ocx = nx = c->x;
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ocy = ny = c->y;
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if(XGrabPointer(c->display, DefaultRootWindow(c->display), False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
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None, cursor[CurMove], CurrentTime) != GrabSuccess)
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return;
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XQueryPointer(c->display, DefaultRootWindow(c->display), &dummy, &dummy, &x1, &y1, &di, &di, &dui);
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for(;;)
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{
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XMaskEvent(c->display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
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switch (ev.type)
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{
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case ButtonRelease:
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XUngrabPointer(c->display, CurrentTime);
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return;
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case ConfigureRequest:
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case Expose:
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case MapRequest:
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handler[ev.type] (&ev, jdwmconf);
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break;
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case MotionNotify:
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XSync(c->display, False);
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nx = ocx + (ev.xmotion.x - x1);
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ny = ocy + (ev.xmotion.y - y1);
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if(abs(wax + nx) < jdwmconf->snap)
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nx = wax;
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else if(abs((wax + waw) - (nx + c->w + 2 * c->border)) < jdwmconf->snap)
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nx = wax + waw - c->w - 2 * c->border;
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if(abs(way - ny) < jdwmconf->snap)
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ny = way;
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else if(abs((way + wah) - (ny + c->h + 2 * c->border)) < jdwmconf->snap)
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ny = way + wah - c->h - 2 * c->border;
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resize(c, nx, ny, c->w, c->h, False);
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break;
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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, jdwm_config *jdwmconf)
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{
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int ocx, ocy;
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int nw, nh;
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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(c->display, DefaultRootWindow(c->display), False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
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None, cursor[CurResize], CurrentTime) != GrabSuccess)
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return;
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c->ismax = False;
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XWarpPointer(c->display, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
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for(;;)
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{
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XMaskEvent(c->display, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
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switch (ev.type)
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{
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case ButtonRelease:
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XWarpPointer(c->display, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
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XUngrabPointer(c->display, CurrentTime);
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while(XCheckMaskEvent(c->display, EnterWindowMask, &ev));
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return;
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case ConfigureRequest:
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case Expose:
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case MapRequest:
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handler[ev.type] (&ev, jdwmconf);
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break;
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case MotionNotify:
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XSync(c->display, False);
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if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
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nw = 1;
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if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
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nh = 1;
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resize(c, c->x, c->y, nw, nh, True);
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break;
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}
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}
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}
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static void
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handle_event_buttonpress(XEvent * e, jdwm_config *jdwmconf)
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{
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int i, x;
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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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{
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x = 0;
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for(i = 0; i < jdwmconf->ntags; i++)
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{
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x += textw(jdwmconf->tags[i]);
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if(ev->x < x)
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{
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if(ev->button == Button1)
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{
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if(ev->state & jdwmconf->modkey)
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uicb_tag(e->xany.display, jdwmconf, jdwmconf->tags[i]);
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else
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uicb_view(e->xany.display, jdwmconf, jdwmconf->tags[i]);
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}
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else if(ev->button == Button3)
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{
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if(ev->state & jdwmconf->modkey)
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uicb_toggletag(e->xany.display, jdwmconf, jdwmconf->tags[i]);
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else
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uicb_toggleview(e->xany.display, jdwmconf, jdwmconf->tags[i]);
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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 + blw) && ev->button == Button1)
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uicb_setlayout(e->xany.display, jdwmconf, NULL);
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}
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else if((c = getclient(ev->window)))
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{
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focus(c->display, &dc, c, jdwmconf);
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if(CLEANMASK(ev->state) != jdwmconf->modkey)
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return;
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if(ev->button == Button1 && (IS_ARRANGE(floating) || c->isfloating))
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{
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restack(e->xany.display, jdwmconf);
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movemouse(c, jdwmconf);
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}
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else if(ev->button == Button2)
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uicb_zoom(e->xany.display, jdwmconf, NULL);
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else if(ev->button == Button3 && (IS_ARRANGE(floating) || c->isfloating) && !c->isfixed)
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{
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restack(e->xany.display, jdwmconf);
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resizemouse(c, jdwmconf);
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}
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}
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else if(DefaultRootWindow(e->xany.display) == ev->window && !sel)
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{
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if(ev->button == Button4)
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uicb_tag_viewnext(e->xany.display, jdwmconf, NULL);
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else if(ev->button == Button5)
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uicb_tag_viewprev(e->xany.display, jdwmconf, NULL);
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}
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}
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static void
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handle_event_configurerequest(XEvent * e, jdwm_config *jdwmconf __attribute__ ((unused)))
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{
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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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{
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c->ismax = False;
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if(ev->value_mask & CWBorderWidth)
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c->border = ev->border_width;
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if(c->isfixed || c->isfloating || IS_ARRANGE(floating))
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{
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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((c->x + c->w) > sw && c->isfloating)
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c->x = sw / 2 - c->w / 2; /* center in x direction */
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if((c->y + c->h) > sh && c->isfloating)
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c->y = sh / 2 - c->h / 2; /* center in y direction */
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if((ev->value_mask & (CWX | CWY)) && !(ev->value_mask & (CWWidth | CWHeight)))
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configure(c);
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if(isvisible(c, jdwmconf->selected_tags, jdwmconf->ntags))
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XMoveResizeWindow(e->xany.display, c->win, c->x, c->y, c->w, c->h);
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}
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else
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configure(c);
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}
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else
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{
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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(e->xany.display, ev->window, ev->value_mask, &wc);
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}
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XSync(e->xany.display, False);
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}
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static void
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handle_event_configurenotify(XEvent * e, jdwm_config *jdwmconf)
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{
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XConfigureEvent *ev = &e->xconfigure;
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if(ev->window == DefaultRootWindow(e->xany.display) && (ev->width != sw || ev->height != sh))
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{
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sw = ev->width;
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sh = ev->height;
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XFreePixmap(e->xany.display, dc.drawable);
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dc.drawable = XCreatePixmap(e->xany.display, DefaultRootWindow(e->xany.display), sw, bh, DefaultDepth(e->xany.display, screen));
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XResizeWindow(e->xany.display, barwin, sw, bh);
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updatebarpos(e->xany.display, jdwmconf->current_bpos);
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arrange(e->xany.display, jdwmconf);
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}
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}
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static void
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handle_event_destroynotify(XEvent * e, jdwm_config *jdwmconf)
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{
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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, &dc, WithdrawnState, jdwmconf);
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}
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static void
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handle_event_enternotify(XEvent * e, jdwm_config *jdwmconf)
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{
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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)))
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focus(c->display, &dc, c, jdwmconf);
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else if(ev->window == DefaultRootWindow(e->xany.display))
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{
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selscreen = True;
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focus(e->xany.display, &dc, NULL, jdwmconf);
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}
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}
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static void
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handle_event_expose(XEvent * e, jdwm_config *jdwmconf)
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{
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XExposeEvent *ev = &e->xexpose;
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if(!ev->count && barwin == ev->window)
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drawstatus(e->xany.display, jdwmconf);
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}
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static void
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handle_event_keypress(XEvent * e, jdwm_config *jdwmconf)
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{
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int i;
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KeySym keysym;
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XKeyEvent *ev = &e->xkey;
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keysym = XKeycodeToKeysym(e->xany.display, (KeyCode) ev->keycode, 0);
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for(i = 0; i < jdwmconf->nkeys; i++)
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if(keysym == jdwmconf->keys[i].keysym
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&& CLEANMASK(jdwmconf->keys[i].mod) == CLEANMASK(ev->state) && jdwmconf->keys[i].func)
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jdwmconf->keys[i].func(e->xany.display, jdwmconf, jdwmconf->keys[i].arg);
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}
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static void
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handle_event_leavenotify(XEvent * e, jdwm_config *jdwmconf)
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{
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XCrossingEvent *ev = &e->xcrossing;
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if((ev->window == DefaultRootWindow(e->xany.display)) && !ev->same_screen)
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{
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selscreen = False;
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focus(e->xany.display, &dc, NULL, jdwmconf);
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}
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}
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static void
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handle_event_mappingnotify(XEvent * e, jdwm_config *jdwmconf)
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{
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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(e->xany.display, jdwmconf);
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}
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static void
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handle_event_maprequest(XEvent * e, jdwm_config *jdwmconf)
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{
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static XWindowAttributes wa;
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XMapRequestEvent *ev = &e->xmaprequest;
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if(!XGetWindowAttributes(e->xany.display, ev->window, &wa))
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return;
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if(wa.override_redirect)
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return;
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if(!getclient(ev->window))
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manage(e->xany.display, &dc, ev->window, &wa, jdwmconf);
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}
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static void
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handle_event_propertynotify(XEvent * e, jdwm_config *jdwmconf)
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{
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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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{
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switch (ev->atom)
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{
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default:
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break;
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case XA_WM_TRANSIENT_FOR:
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XGetTransientForHint(e->xany.display, c->win, &trans);
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if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
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arrange(e->xany.display, jdwmconf);
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break;
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case XA_WM_NORMAL_HINTS:
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updatesizehints(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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{
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updatetitle(c);
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if(c == sel)
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drawstatus(e->xany.display, jdwmconf);
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}
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}
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}
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static void
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handle_event_unmapnotify(XEvent * e, jdwm_config *jdwmconf)
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{
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Client *c;
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XUnmapEvent *ev = &e->xunmap;
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if((c = getclient(ev->window)) && ev->event == DefaultRootWindow(e->xany.display) && (ev->send_event || !c->unmapped--))
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unmanage(c, &dc, WithdrawnState, jdwmconf);
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}
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/* extern */
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void (*handler[LASTEvent]) (XEvent *, jdwm_config *) =
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{
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[ButtonPress] = handle_event_buttonpress,
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[ConfigureRequest] = handle_event_configurerequest,
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[ConfigureNotify] = handle_event_configurenotify,
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[DestroyNotify] = handle_event_destroynotify,
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[EnterNotify] = handle_event_enternotify,
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[LeaveNotify] = handle_event_leavenotify,
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[Expose] = handle_event_expose,
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[KeyPress] = handle_event_keypress,
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[MappingNotify] = handle_event_mappingnotify,
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[MapRequest] = handle_event_maprequest,
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[PropertyNotify] = handle_event_propertynotify,
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[UnmapNotify] = handle_event_unmapnotify
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};
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void
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grabkeys(Display *disp, jdwm_config *jdwmconf)
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{
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int i;
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KeyCode code;
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XUngrabKey(disp, AnyKey, AnyModifier, DefaultRootWindow(disp));
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for(i = 0; i < jdwmconf->nkeys; i++)
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{
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code = XKeysymToKeycode(disp, jdwmconf->keys[i].keysym);
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XGrabKey(disp, code, jdwmconf->keys[i].mod, DefaultRootWindow(disp), True, GrabModeAsync, GrabModeAsync);
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XGrabKey(disp, code, jdwmconf->keys[i].mod | LockMask, DefaultRootWindow(disp), True, GrabModeAsync, GrabModeAsync);
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XGrabKey(disp, code, jdwmconf->keys[i].mod | jdwmconf->numlockmask, DefaultRootWindow(disp), True, GrabModeAsync, GrabModeAsync);
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XGrabKey(disp, code, jdwmconf->keys[i].mod | jdwmconf->numlockmask | LockMask, DefaultRootWindow(disp), True,
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GrabModeAsync, GrabModeAsync);
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}
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}
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