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/* x-input.m -- event handling
*
* Copyright (c) 2002-2012 Apple Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
* HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above
* copyright holders shall not be used in advertising or otherwise to
* promote the sale, use or other dealings in this Software without
* prior written authorization.
*/
#include "pbproxy.h"
#import "x-selection.h"
#include <CoreFoundation/CFSocket.h>
#include <CoreFoundation/CFRunLoop.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/extensions/applewm.h>
#include <unistd.h>
static CFRunLoopSourceRef xpbproxy_dpy_source;
#ifdef STANDALONE_XPBPROXY
BOOL xpbproxy_prefs_reload = NO;
#endif
/* Timestamp when the X server last told us it's active */
static Time last_activation_time;
static void
x_event_apple_wm_notify(XAppleWMNotifyEvent *e)
{
int type = e->type - xpbproxy_apple_wm_event_base;
int kind = e->kind;
/* We want to reload prefs even if we're not active */
if (type == AppleWMActivationNotify &&
kind == AppleWMReloadPreferences)
[xpbproxy_selection_object ()reload_preferences];
if (![xpbproxy_selection_object ()is_active])
return;
switch (type) {
case AppleWMActivationNotify:
switch (kind) {
case AppleWMIsActive:
last_activation_time = e->time;
[xpbproxy_selection_object () x_active:e->time];
break;
case AppleWMIsInactive:
[xpbproxy_selection_object () x_inactive:e->time];
break;
}
break;
case AppleWMPasteboardNotify:
switch (kind) {
case AppleWMCopyToPasteboard:
[xpbproxy_selection_object () x_copy:e->time];
}
break;
}
}
static void
xpbproxy_process_xevents(void)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
if (pool == nil) {
ErrorF("unable to allocate/init auto release pool!\n");
return;
}
while (XPending(xpbproxy_dpy) != 0) {
XEvent e;
XNextEvent(xpbproxy_dpy, &e);
switch (e.type) {
case SelectionClear:
if ([xpbproxy_selection_object ()is_active])
[xpbproxy_selection_object () clear_event:&e.xselectionclear];
break;
case SelectionRequest:
[xpbproxy_selection_object () request_event:&e.xselectionrequest];
break;
case SelectionNotify:
[xpbproxy_selection_object () notify_event:&e.xselection];
break;
case PropertyNotify:
[xpbproxy_selection_object () property_event:&e.xproperty];
break;
default:
if (e.type >= xpbproxy_apple_wm_event_base &&
e.type < xpbproxy_apple_wm_event_base +
AppleWMNumberEvents) {
x_event_apple_wm_notify((XAppleWMNotifyEvent *)&e);
}
else if (e.type == xpbproxy_xfixes_event_base +
XFixesSelectionNotify) {
[xpbproxy_selection_object () xfixes_selection_notify:(
XFixesSelectionNotifyEvent *)&e];
}
break;
}
XFlush(xpbproxy_dpy);
}
[pool release];
}
static BOOL
add_input_socket(int sock, CFOptionFlags callback_types,
CFSocketCallBack callback, const CFSocketContext *ctx,
CFRunLoopSourceRef *cf_source)
{
CFSocketRef cf_sock;
cf_sock = CFSocketCreateWithNative(kCFAllocatorDefault, sock,
callback_types, callback, ctx);
if (cf_sock == NULL) {
close(sock);
return FALSE;
}
*cf_source = CFSocketCreateRunLoopSource(kCFAllocatorDefault,
cf_sock, 0);
CFRelease(cf_sock);
if (*cf_source == NULL)
return FALSE;
CFRunLoopAddSource(CFRunLoopGetCurrent(),
*cf_source, kCFRunLoopDefaultMode);
return TRUE;
}
static void
x_input_callback(CFSocketRef sock, CFSocketCallBackType type,
CFDataRef address, const void *data, void *info)
{
#ifdef STANDALONE_XPBPROXY
if (xpbproxy_prefs_reload) {
[xpbproxy_selection_object ()reload_preferences];
xpbproxy_prefs_reload = NO;
}
#endif
xpbproxy_process_xevents();
}
BOOL
xpbproxy_input_register(void)
{
return add_input_socket(ConnectionNumber(
xpbproxy_dpy), kCFSocketReadCallBack,
x_input_callback, NULL, &xpbproxy_dpy_source);
}
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