mirror of https://github.com/0intro/wmii
307 lines
7.2 KiB
C
307 lines
7.2 KiB
C
/*
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* (C)opyright MMIV-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 "wm.h"
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/* local functions */
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static void handle_buttonpress(XEvent * e);
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static void handle_configurerequest(XEvent * e);
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static void handle_destroynotify(XEvent * e);
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static void handle_expose(XEvent * e);
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static void handle_keypress(XEvent * e);
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static void handle_keymapnotify(XEvent * e);
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static void handle_maprequest(XEvent * e);
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static void handle_motionnotify(XEvent * e);
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static void handle_propertynotify(XEvent * e);
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static void handle_unmapnotify(XEvent * e);
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static void handle_clientmessage(XEvent * e);
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void (*handler[LASTEvent]) (XEvent *);
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void
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init_x_event_handler()
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{
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int i;
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/* init event handler */
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for(i = 0; i < LASTEvent; i++) {
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handler[i] = 0;
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}
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handler[ButtonPress] = handle_buttonpress;
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handler[ConfigureRequest] = handle_configurerequest;
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handler[DestroyNotify] = handle_destroynotify;
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handler[Expose] = handle_expose;
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handler[KeyPress] = handle_keypress;
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handler[KeymapNotify] = handle_keymapnotify;
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handler[MapRequest] = handle_maprequest;
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handler[MotionNotify] = handle_motionnotify;
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handler[PropertyNotify] = handle_propertynotify;
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handler[UnmapNotify] = handle_unmapnotify;
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handler[ClientMessage] = handle_clientmessage;
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}
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void
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check_x_event(IXPConn *c)
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{
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XEvent ev;
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while(XPending(dpy)) { /* main evet loop */
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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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static void
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handle_buttonpress(XEvent *e)
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{
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Client *c;
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XButtonPressedEvent *ev = &e->xbutton;
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Align align;
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static char buf[32];
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if(ev->window == winbar) {
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unsigned int i;
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for(i = 0; i < nlabel; i++)
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if(blitz_ispointinrect(ev->x, ev->y, &label[i]->rect)) {
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snprintf(buf, sizeof(buf), "LB %d %d\n", i + 1, ev->button);
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write_event(buf);
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}
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}
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else if((c = win2clientframe(ev->window))) {
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if(ev->button == Button1) {
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if(sel_client() != c) {
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focus(c);
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return;
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}
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align = cursor2align(c->frame.cursor);
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if(align == CENTER)
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mouse_move(c);
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else
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mouse_resize(c, align);
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}
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if(c && c->area) {
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snprintf(buf, sizeof(buf), "CB %d %d\n", client2index(c) + 1, ev->button);
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write_event(buf);
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}
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}
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else if((c = win2client(ev->window))) {
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ev->state &= valid_mask;
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if(ev->state & Mod1Mask) {
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XRaiseWindow(dpy, c->frame.win);
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switch (ev->button) {
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case Button1:
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focus(c);
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mouse_move(c);
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break;
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case Button3:
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focus(c);
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align = xy2align(&c->rect, ev->x, ev->y);
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if(align == CENTER)
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mouse_move(c);
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else
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mouse_resize(c, align);
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break;
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}
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}
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else if(ev->button == Button1)
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focus(c);
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if(c) {
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snprintf(buf, sizeof(buf), "CB %d %d\n", client2index(c) + 1, ev->button);
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write_event(buf);
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}
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}
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}
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static void
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handle_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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unsigned int bw = 0, bh = 0;
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c = win2client(ev->window);
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ev->value_mask &= ~CWSibling;
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if(c) {
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if(c->area) {
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bw = def.border;
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bh = bar_height();
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}
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gravitate(c, bh ? bh : bw, bw, 1);
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if(ev->value_mask & CWX)
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c->rect.x = ev->x;
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if(ev->value_mask & CWY)
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c->rect.y = ev->y;
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if(ev->value_mask & CWWidth)
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c->rect.width = ev->width;
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if(ev->value_mask & CWHeight)
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c->rect.height = 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, bh ? bh : bw, bw, 0);
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if(c->area) {
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c->frame.rect.x = wc.x = c->rect.x - bw;
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c->frame.rect.y = wc.y = c->rect.y - (bh ? bh : bw);
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c->frame.rect.width = wc.width = c->rect.width + 2 * bw;
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c->frame.rect.height = wc.height = c->rect.height + bw + (bh ? bh : bw);
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wc.border_width = 1;
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wc.sibling = None;
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wc.stack_mode = ev->detail;
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XConfigureWindow(dpy, c->frame.win, ev->value_mask, &wc);
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configure_client(c);
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}
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}
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wc.x = ev->x;
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wc.y = ev->y;
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if(c && c->area) {
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/* if so, then bw and bh are already initialized */
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wc.x = bw;
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wc.y = (bh ? bh : bw);
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}
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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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XSync(dpy, False);
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}
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static void
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handle_destroynotify(XEvent *e)
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{
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XDestroyWindowEvent *ev = &e->xdestroywindow;
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Client *c = win2client(ev->window);
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if(c) {
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fprintf(stderr, "destroy: %s\n", c->name);
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c->destroyed = True;
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detach_client(c, False);
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}
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}
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static void
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handle_expose(XEvent *e)
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{
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XExposeEvent *ev = &e->xexpose;
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static Client *c;
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if(ev->count == 0) {
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if(ev->window == winbar)
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draw_bar();
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else if((c = win2clientframe(ev->window)))
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draw_client(c);
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}
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}
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static void
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handle_keypress(XEvent *e)
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{
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XKeyEvent *ev = &e->xkey;
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ev->state &= valid_mask;
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handle_key(root, ev->state, (KeyCode) ev->keycode);
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}
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static void
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handle_keymapnotify(XEvent *e)
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{
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unsigned int i;
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for(i = 0; i < nkey; i++) {
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ungrab_key(key[i]);
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grab_key(key[i]);
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}
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}
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static void
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handle_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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static Client *c;
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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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/* there're client which send map requests twice */
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c = win2client(ev->window);
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if(!c)
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c = alloc_client(ev->window, &wa);
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if(!c->area)
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attach_client(c);
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}
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static void
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handle_motionnotify(XEvent *e)
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{
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Client *c = win2clientframe(e->xmotion.window);
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if(c) {
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Cursor cursor = cursor_for_motion(c, e->xmotion.x, e->xmotion.y);
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if(cursor != c->frame.cursor) {
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c->frame.cursor = cursor;
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XDefineCursor(dpy, c->frame.win, cursor);
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}
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}
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}
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static void
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handle_propertynotify(XEvent *e)
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{
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XPropertyEvent *ev = &e->xproperty;
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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((c = win2client(ev->window)))
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handle_client_property(c, ev);
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}
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static void
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handle_unmapnotify(XEvent *e)
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{
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XUnmapEvent *ev = &e->xunmap;
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Client *c;
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if((c = win2client(ev->window))) {
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fprintf(stderr, "unmap %s\n", c->name);
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detach_client(c, True);
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}
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}
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static void handle_clientmessage(XEvent *e)
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{
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XClientMessageEvent *ev = &e->xclient;
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Client *c;
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if (ev->message_type == net_atoms[NET_NUMBER_OF_DESKTOPS] && ev->format == 32)
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return; /* ignore */
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else if (ev->message_type == net_atoms[NET_CURRENT_DESKTOP] && ev->format == 32) {
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int i = ev->data.l[0];
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if(i < npage) {
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Page *p = page[i];
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focus_page(p);
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if((c = sel_client_of_page(p)))
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focus_client(c);
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}
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}
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}
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