wmii/cmd/wm/event.c
2006-03-05 00:11:08 +01:00

307 lines
7.2 KiB
C

/*
* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <X11/keysym.h>
#include "wm.h"
/* local functions */
static void handle_buttonpress(XEvent * e);
static void handle_configurerequest(XEvent * e);
static void handle_destroynotify(XEvent * e);
static void handle_expose(XEvent * e);
static void handle_keypress(XEvent * e);
static void handle_keymapnotify(XEvent * e);
static void handle_maprequest(XEvent * e);
static void handle_motionnotify(XEvent * e);
static void handle_propertynotify(XEvent * e);
static void handle_unmapnotify(XEvent * e);
static void handle_clientmessage(XEvent * e);
void (*handler[LASTEvent]) (XEvent *);
void
init_x_event_handler()
{
int i;
/* init event handler */
for(i = 0; i < LASTEvent; i++) {
handler[i] = 0;
}
handler[ButtonPress] = handle_buttonpress;
handler[ConfigureRequest] = handle_configurerequest;
handler[DestroyNotify] = handle_destroynotify;
handler[Expose] = handle_expose;
handler[KeyPress] = handle_keypress;
handler[KeymapNotify] = handle_keymapnotify;
handler[MapRequest] = handle_maprequest;
handler[MotionNotify] = handle_motionnotify;
handler[PropertyNotify] = handle_propertynotify;
handler[UnmapNotify] = handle_unmapnotify;
handler[ClientMessage] = handle_clientmessage;
}
void
check_x_event(IXPConn *c)
{
XEvent ev;
while(XPending(dpy)) { /* main evet loop */
XNextEvent(dpy, &ev);
if(handler[ev.type])
(handler[ev.type]) (&ev); /* call handler */
}
}
static void
handle_buttonpress(XEvent *e)
{
Client *c;
XButtonPressedEvent *ev = &e->xbutton;
Align align;
static char buf[32];
if(ev->window == winbar) {
unsigned int i;
for(i = 0; i < nlabel; i++)
if(blitz_ispointinrect(ev->x, ev->y, &label[i]->rect)) {
snprintf(buf, sizeof(buf), "LB %d %d\n", i, ev->button);
write_event(buf);
}
}
else if((c = win2clientframe(ev->window))) {
if(ev->button == Button1) {
if(sel_client() != c) {
focus(c);
return;
}
align = cursor2align(c->frame.cursor);
if(align == CENTER)
mouse_move(c);
else
mouse_resize(c, align);
}
if(c && c->area) {
snprintf(buf, sizeof(buf), "CB %d %d\n", client2index(c) + 1, ev->button);
write_event(buf);
}
}
else if((c = win2client(ev->window))) {
ev->state &= valid_mask;
if(ev->state & Mod1Mask) {
XRaiseWindow(dpy, c->frame.win);
switch (ev->button) {
case Button1:
focus(c);
mouse_move(c);
break;
case Button3:
focus(c);
align = xy2align(&c->rect, ev->x, ev->y);
if(align == CENTER)
mouse_move(c);
else
mouse_resize(c, align);
break;
}
}
else if(ev->button == Button1)
focus(c);
if(c) {
snprintf(buf, sizeof(buf), "CB %d %d\n", client2index(c) + 1, ev->button);
write_event(buf);
}
}
}
static void
handle_configurerequest(XEvent *e)
{
XConfigureRequestEvent *ev = &e->xconfigurerequest;
XWindowChanges wc;
Client *c;
unsigned int bw = 0, bh = 0;
c = win2client(ev->window);
ev->value_mask &= ~CWSibling;
if(c) {
if(c->area) {
bw = def.border;
bh = bar_height();
}
gravitate(c, bh ? bh : bw, bw, 1);
if(ev->value_mask & CWX)
c->rect.x = ev->x;
if(ev->value_mask & CWY)
c->rect.y = ev->y;
if(ev->value_mask & CWWidth)
c->rect.width = ev->width;
if(ev->value_mask & CWHeight)
c->rect.height = ev->height;
if(ev->value_mask & CWBorderWidth)
c->border = ev->border_width;
gravitate(c, bh ? bh : bw, bw, 0);
if(c->area) {
c->frame.rect.x = wc.x = c->rect.x - bw;
c->frame.rect.y = wc.y = c->rect.y - (bh ? bh : bw);
c->frame.rect.width = wc.width = c->rect.width + 2 * bw;
c->frame.rect.height = wc.height = c->rect.height + bw + (bh ? bh : bw);
wc.border_width = 1;
wc.sibling = None;
wc.stack_mode = ev->detail;
XConfigureWindow(dpy, c->frame.win, ev->value_mask, &wc);
configure_client(c);
}
}
wc.x = ev->x;
wc.y = ev->y;
if(c && c->area) {
/* if so, then bw and bh are already initialized */
wc.x = bw;
wc.y = (bh ? bh : bw);
}
wc.width = ev->width;
wc.height = ev->height;
wc.border_width = 0;
wc.sibling = None;
wc.stack_mode = Above;
ev->value_mask &= ~CWStackMode;
ev->value_mask |= CWBorderWidth;
XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
XSync(dpy, False);
}
static void
handle_destroynotify(XEvent *e)
{
XDestroyWindowEvent *ev = &e->xdestroywindow;
Client *c = win2client(ev->window);
if(c) {
fprintf(stderr, "destroy: %s\n", c->name);
c->destroyed = True;
detach_client(c, False);
}
}
static void
handle_expose(XEvent *e)
{
XExposeEvent *ev = &e->xexpose;
static Client *c;
if(ev->count == 0) {
if(ev->window == winbar)
draw_bar();
else if((c = win2clientframe(ev->window)))
draw_client(c);
}
}
static void
handle_keypress(XEvent *e)
{
XKeyEvent *ev = &e->xkey;
ev->state &= valid_mask;
handle_key(root, ev->state, (KeyCode) ev->keycode);
}
static void
handle_keymapnotify(XEvent *e)
{
unsigned int i;
for(i = 0; i < nkey; i++) {
ungrab_key(key[i]);
grab_key(key[i]);
}
}
static void
handle_maprequest(XEvent *e)
{
XMapRequestEvent *ev = &e->xmaprequest;
static XWindowAttributes wa;
static Client *c;
if(!XGetWindowAttributes(dpy, ev->window, &wa))
return;
if(wa.override_redirect) {
XSelectInput(dpy, ev->window,
(StructureNotifyMask | PropertyChangeMask));
return;
}
/* there're client which send map requests twice */
c = win2client(ev->window);
if(!c)
c = alloc_client(ev->window, &wa);
if(!c->area)
attach_client(c);
}
static void
handle_motionnotify(XEvent *e)
{
Client *c = win2clientframe(e->xmotion.window);
if(c) {
Cursor cursor = cursor_for_motion(c, e->xmotion.x, e->xmotion.y);
if(cursor != c->frame.cursor) {
c->frame.cursor = cursor;
XDefineCursor(dpy, c->frame.win, cursor);
}
}
}
static void
handle_propertynotify(XEvent *e)
{
XPropertyEvent *ev = &e->xproperty;
Client *c;
if(ev->state == PropertyDelete)
return; /* ignore */
if((c = win2client(ev->window)))
handle_client_property(c, ev);
}
static void
handle_unmapnotify(XEvent *e)
{
XUnmapEvent *ev = &e->xunmap;
Client *c;
if((c = win2client(ev->window))) {
fprintf(stderr, "unmap %s\n", c->name);
detach_client(c, True);
}
}
static void handle_clientmessage(XEvent *e)
{
XClientMessageEvent *ev = &e->xclient;
Client *c;
if (ev->message_type == net_atom[NetNumWS] && ev->format == 32)
return; /* ignore */
else if (ev->message_type == net_atom[NetSelWS] && ev->format == 32) {
int i = ev->data.l[0];
if(i < ntag) {
Tag *p = tag[i];
focus_tag(p);
if((c = sel_client_of_tag(p)))
focus_client(c);
}
}
}