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224 lines
4.2 KiB
224 lines
4.2 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 <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include "wm.h"
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/* local functions */
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static void buttonpress(XEvent *e);
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static void configurerequest(XEvent *e);
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static void destroynotify(XEvent *e);
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static void enternotify(XEvent *e);
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static void leavenotify(XEvent *e);
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static void expose(XEvent *e);
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static void keymapnotify(XEvent *e);
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static void maprequest(XEvent *e);
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static void propertynotify(XEvent *e);
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static void unmapnotify(XEvent *e);
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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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[KeymapNotify] = keymapnotify,
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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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unsigned int
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discard_events(long even_mask)
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{
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XEvent ev;
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unsigned int n = 0;
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while(XCheckMaskEvent(dpy, even_mask, &ev)) n++;
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return n;
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}
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static void
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buttonpress(XEvent *e)
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{
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XButtonPressedEvent *ev = &e->xbutton;
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Client *c;
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if((c = getclient(ev->window))) {
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switch(ev->button) {
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default:
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break;
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case Button1:
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mmove(c);
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break;
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case Button2:
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XLowerWindow(dpy, c->win);
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break;
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case Button3:
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mresize(c);
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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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configurerequest(XEvent *e)
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{
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XConfigureRequestEvent *ev = &e->xconfigurerequest;
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XWindowChanges wc;
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Client *c;
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ev->value_mask &= ~CWSibling;
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if((c = getclient(ev->window))) {
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if(ev->value_mask & CWX)
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c->r[RFloat].x = ev->x;
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if(ev->value_mask & CWY)
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c->r[RFloat].y = ev->y;
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if(ev->value_mask & CWWidth)
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c->r[RFloat].width = ev->width;
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if(ev->value_mask & CWHeight)
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c->r[RFloat].height = ev->height;
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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 = 0;
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wc.sibling = None;
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wc.stack_mode = Above;
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ev->value_mask &= ~CWStackMode;
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ev->value_mask |= CWBorderWidth;
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XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
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XFlush(dpy);
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}
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static void
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destroynotify(XEvent *e)
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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);
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}
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static void
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enternotify(XEvent *e)
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{
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XCrossingEvent *ev = &e->xcrossing;
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Client *c;
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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);
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else if(ev->window == root) {
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sel_screen = True;
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/*draw_frames();*/
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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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{
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XCrossingEvent *ev = &e->xcrossing;
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if((ev->window == root) && !ev->same_screen) {
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sel_screen = True;
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/*draw_frames();*/
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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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{
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XExposeEvent *ev = &e->xexpose;
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if(ev->count == 0) {
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if(ev->window == barwin)
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draw_bar();
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}
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}
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static void
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keymapnotify(XEvent *e)
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{
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update_keys();
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}
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static void
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maprequest(XEvent *e)
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{
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XMapRequestEvent *ev = &e->xmaprequest;
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static XWindowAttributes wa;
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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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{
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XPropertyEvent *ev = &e->xproperty;
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long msize;
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Client *c;
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if(ev->state == PropertyDelete)
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return; /* ignore */
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if(ev->atom == wm_atom[WMProtocols]) {
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c->proto = win_proto(c->win);
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return;
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}
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if((c = getclient(ev->window))) {
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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, &c->trans);
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break;
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case XA_WM_NORMAL_HINTS:
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if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize)
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|| !c->size.flags)
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c->size.flags = PSize;
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if(c->size.flags & PMinSize && c->size.flags & PMaxSize
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&& c->size.min_width == c->size.max_width
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&& c->size.min_height == c->size.max_height)
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c->fixedsize = True;
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else
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c->fixedsize = False;
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break;
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}
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if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {
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update_name(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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{
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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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