diff options
Diffstat (limited to 'xorg-server/hw/xquartz/pbproxy')
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/Makefile.am | 23 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/Makefile.in | 698 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/app-main.m | 92 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/main.m | 164 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/pbproxy.h | 91 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/trick_autotools.c | 3 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/x-input.m | 187 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/x-selection.h | 116 | ||||
| -rw-r--r-- | xorg-server/hw/xquartz/pbproxy/x-selection.m | 1545 |
9 files changed, 2919 insertions, 0 deletions
diff --git a/xorg-server/hw/xquartz/pbproxy/Makefile.am b/xorg-server/hw/xquartz/pbproxy/Makefile.am new file mode 100644 index 000000000..e1c537fbb --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/Makefile.am @@ -0,0 +1,23 @@ +AM_CPPFLAGS=-F/System/Library/Frameworks/ApplicationServices.framework/Frameworks +AM_CFLAGS=$(XPBPROXY_CFLAGS) + +noinst_LTLIBRARIES = libxpbproxy.la +libxpbproxy_la_SOURCES = \ + trick_autotools.c \ + main.m \ + x-input.m \ + x-selection.m + +libxpbproxy_la_LDFLAGS=$(XPBPROXY_LIBS) + +if STANDALONE_XPBPROXY + +bin_PROGRAMS = xpbproxy +xpbproxy_SOURCES = app-main.m +xpbproxy_LDADD = libxpbproxy.la + +endif + +EXTRA_DIST = \ + pbproxy.h \ + x-selection.h diff --git a/xorg-server/hw/xquartz/pbproxy/Makefile.in b/xorg-server/hw/xquartz/pbproxy/Makefile.in new file mode 100644 index 000000000..b31445e39 --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/Makefile.in @@ -0,0 +1,698 @@ +# Makefile.in generated by automake 1.10.2 from Makefile.am. +# 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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 <pthread.h> +#include <unistd.h> /*for getpid*/ +#include <Cocoa/Cocoa.h> + +static const char *app_prefs_domain = "org.x.X11"; +CFStringRef app_prefs_domain_cfstr; + +char *display = NULL; + +static void signal_handler (int sig) { + switch(sig) { + case SIGHUP: + xpbproxy_prefs_reload = YES; + break; + default: + _exit(EXIT_SUCCESS); + } +} + +int main (int argc, const char *argv[]) { +#ifdef DEBUG + printf("pid: %u\n", getpid()); +#endif + + xpbproxy_is_standalone = YES; + + if((s = getenv("X11_PREFS_DOMAIN"))) + app_prefs_domain = s; + + for (i = 1; i < argc; i++) { + if(strcmp (argv[i], "--prefs-domain") == 0 && i+1 < argc) { + app_prefs_domain = argv[++i]; + } else if (strcmp (argv[i], "--help") == 0) { + printf("usage: xpbproxy OPTIONS\n" + "Pasteboard proxying for X11.\n\n" + "--prefs-domain <domain> Change the domain used for reading preferences\n" + " (default: org.x.X11)\n"); + return 0; + } else { + fprintf(stderr, "usage: xpbproxy OPTIONS...\n" + "Try 'xpbproxy --help' for more information.\n"); + return 1; + } + } + + app_prefs_domain_cfstr = CFStringCreateWithCString(NULL, app_prefs_domain, kCFStringEncodingUTF8); + + if(!xpbproxy_init()) + return EXIT_FAILURE; + + signal (SIGINT, signal_handler); + signal (SIGTERM, signal_handler); + signal (SIGHUP, signal_handler); + signal (SIGPIPE, SIG_IGN); + + [NSApplication sharedApplication]; + [NSApp run]; + + return EXIT_SUCCESS; +} diff --git a/xorg-server/hw/xquartz/pbproxy/main.m b/xorg-server/hw/xquartz/pbproxy/main.m new file mode 100644 index 000000000..5bc518243 --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/main.m @@ -0,0 +1,164 @@ +/* main.m + Copyright (c) 2002, 2008 Apple Computer, 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 <pthread.h> +#include <unistd.h> +#include <X11/extensions/applewm.h> + +Display *xpbproxy_dpy; +int xpbproxy_apple_wm_event_base, xpbproxy_apple_wm_error_base; +int xpbproxy_xfixes_event_base, xpbproxy_xfixes_error_base; +BOOL xpbproxy_have_xfixes; + +extern char *display; + +#ifdef STANDALONE_XPBPROXY +BOOL xpbproxy_is_standalone = NO; +#endif + +x_selection *_selection_object; + +static int x_io_error_handler (Display *dpy) { + /* We lost our connection to the server. */ + + TRACE (); + + /* trigger the thread to restart? + * NO - this would be to a "deeper" problem, and restarts would just + * make things worse... + */ +#ifdef STANDALONE_XPBPROXY + if(xpbproxy_is_standalone) + exit(EXIT_FAILURE); +#endif + + return 0; +} + +static int x_error_handler (Display *dpy, XErrorEvent *errevent) { + return 0; +} + +static inline pthread_t create_thread(void *func, void *arg) { + pthread_attr_t attr; + pthread_t tid; + + pthread_attr_init(&attr); + pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + pthread_create(&tid, &attr, func, arg); + pthread_attr_destroy(&attr); + + return tid; +} + +static void *xpbproxy_x_thread(void *args) { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + size_t i; + + for(i=0, xpbproxy_dpy=NULL; !xpbproxy_dpy && i<5; i++) { + xpbproxy_dpy = XOpenDisplay(NULL); + + if(!xpbproxy_dpy && display) { + char _display[32]; + snprintf(_display, sizeof(_display), ":%s", display); + setenv("DISPLAY", _display, TRUE); + + xpbproxy_dpy=XOpenDisplay(_display); + } + if(!xpbproxy_dpy) + sleep(1); + } + + if (xpbproxy_dpy == NULL) { + fprintf (stderr, "xpbproxy: can't open default display\n"); + [pool release]; + return NULL; + } + + XSetIOErrorHandler (x_io_error_handler); + XSetErrorHandler (x_error_handler); + + if (!XAppleWMQueryExtension (xpbproxy_dpy, &xpbproxy_apple_wm_event_base, + &xpbproxy_apple_wm_error_base)) { + fprintf (stderr, "xpbproxy: can't open AppleWM server extension\n"); + [pool release]; + return NULL; + } + + xpbproxy_have_xfixes = XFixesQueryExtension(xpbproxy_dpy, &xpbproxy_xfixes_event_base, &xpbproxy_xfixes_error_base); + + XAppleWMSelectInput (xpbproxy_dpy, AppleWMActivationNotifyMask | + AppleWMPasteboardNotifyMask); + + _selection_object = [[x_selection alloc] init]; + + if(!xpbproxy_input_register()) { + [pool release]; + return NULL; + } + + [pool release]; + + xpbproxy_input_loop(); + return NULL; +} + +BOOL xpbproxy_init (void) { + create_thread(xpbproxy_x_thread, NULL); + return TRUE; +} + +id xpbproxy_selection_object (void) { + return _selection_object; +} + +Time xpbproxy_current_timestamp (void) { + /* FIXME: may want to fetch a timestamp from the server.. */ + return CurrentTime; +} + +void debug_printf (const char *fmt, ...) { + static int spew = -1; + + if (spew == -1) { + char *x = getenv ("DEBUG"); + spew = (x != NULL && atoi (x) != 0); + } + + if (spew) { + va_list args; + va_start(args, fmt); + vfprintf (stderr, fmt, args); + va_end(args); + } +} diff --git a/xorg-server/hw/xquartz/pbproxy/pbproxy.h b/xorg-server/hw/xquartz/pbproxy/pbproxy.h new file mode 100644 index 000000000..a6798efea --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/pbproxy.h @@ -0,0 +1,91 @@ +/* pbproxy.h + Copyright (c) 2002, 2008 Apple Computer, 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. +*/ + +#ifndef PBPROXY_H +#define PBPROXY_H 1 + +#import <Foundation/Foundation.h> + +#include <AvailabilityMacros.h> +#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050 +#if __LP64__ || NS_BUILD_32_LIKE_64 +typedef long NSInteger; +typedef unsigned long NSUInteger; +#else +typedef int NSInteger; +typedef unsigned int NSUInteger; +#endif +#endif + +#define Cursor X_Cursor +#undef _SHAPE_H_ +#include <X11/Xlib.h> +#include <X11/extensions/shape.h> +#undef Cursor + +#ifdef STANDALONE_XPBPROXY +/* Just used for the standalone to respond to SIGHUP to reload prefs */ +extern BOOL xpbproxy_prefs_reload; + +/* Setting this to YES (for the standalone app) causes us to ignore the + * 'sync_pasteboard' defaults preference since we assume it to be on... this is + * mainly useful for debugging/developing xpbproxy with XQuartz still running. + * Just disable the one in the server with X11's preference pane, then run + * the standalone app. + */ +extern BOOL xpbproxy_is_standalone; +#endif + +/* from main.m */ +extern void xpbproxy_set_is_active (BOOL state); +extern BOOL xpbproxy_get_is_active (void); +extern id xpbproxy_selection_object (void); +extern Time xpbproxy_current_timestamp (void); +extern BOOL xpbproxy_init (void); + +extern Display *xpbproxy_dpy; +extern int xpbproxy_apple_wm_event_base, xpbproxy_apple_wm_error_base; +extern int xpbproxy_xfixes_event_base, xpbproxy_xfixes_error_base; +extern BOOL xpbproxy_have_xfixes; + +/* from x-input.m */ +extern BOOL xpbproxy_input_register (void); +extern void xpbproxy_input_loop(); + +#ifdef DEBUG +/* BEWARE: this can cause a string memory leak, according to the leaks program. */ +# define DB(msg, args...) debug_printf("%s:%s:%d " msg, __FILE__, __FUNCTION__, __LINE__, ##args) +#else +# define DB(msg, args...) do {} while (0) +#endif + +#define TRACE() DB("TRACE\n") +extern void debug_printf (const char *fmt, ...); + +#endif /* PBPROXY_H */ diff --git a/xorg-server/hw/xquartz/pbproxy/trick_autotools.c b/xorg-server/hw/xquartz/pbproxy/trick_autotools.c new file mode 100644 index 000000000..a38f077b1 --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/trick_autotools.c @@ -0,0 +1,3 @@ +int this_is_just_here_to_make_automake_work() { + return 0; +} diff --git a/xorg-server/hw/xquartz/pbproxy/x-input.m b/xorg-server/hw/xquartz/pbproxy/x-input.m new file mode 100644 index 000000000..6ba30c610 --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/x-input.m @@ -0,0 +1,187 @@ +/* x-input.m -- event handling + Copyright (c) 2002, 2008 Apple Computer, 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> + +#include <pthread.h> + +static CFRunLoopSourceRef xpbproxy_dpy_source; + +#ifdef STANDALONE_XPBPROXY +BOOL xpbproxy_prefs_reload = NO; +#endif + +static pthread_mutex_t xpbproxy_dpy_rdy_lock = PTHREAD_MUTEX_INITIALIZER; +static pthread_cond_t xpbproxy_dpy_rdy_cond = PTHREAD_COND_INITIALIZER; + +/* 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; + } +} + +void xpbproxy_input_loop() { + pthread_mutex_lock(&xpbproxy_dpy_rdy_lock); + while(true) { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + + if(pool == nil) { + fprintf(stderr, "unable to allocate/init auto release pool!\n"); + break; + } + + while (XPending(xpbproxy_dpy) != 0) { + XEvent e; + + pthread_mutex_unlock(&xpbproxy_dpy_rdy_lock); + 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); + pthread_mutex_lock(&xpbproxy_dpy_rdy_lock); + } + + [pool release]; + + pthread_cond_wait(&xpbproxy_dpy_rdy_cond, &xpbproxy_dpy_rdy_lock); + } +} + +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 (CFRunLoopGetMain (), + *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 + + pthread_mutex_lock(&xpbproxy_dpy_rdy_lock); + pthread_cond_broadcast(&xpbproxy_dpy_rdy_cond); + pthread_mutex_unlock(&xpbproxy_dpy_rdy_lock); +} + +BOOL xpbproxy_input_register(void) { + return add_input_socket(ConnectionNumber(xpbproxy_dpy), kCFSocketReadCallBack, + x_input_callback, NULL, &xpbproxy_dpy_source); +} diff --git a/xorg-server/hw/xquartz/pbproxy/x-selection.h b/xorg-server/hw/xquartz/pbproxy/x-selection.h new file mode 100644 index 000000000..d5bfcb5e7 --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/x-selection.h @@ -0,0 +1,116 @@ +/* x-selection.h -- proxies between NSPasteboard and X11 selections + + Copyright (c) 2002, 2008 Apple Computer, 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. +*/ + +#ifndef X_SELECTION_H +#define X_SELECTION_H 1 + +#include "pbproxy.h" + +#include <X11/extensions/Xfixes.h> + +#include <AppKit/NSPasteboard.h> + +/* This stores image data or text. */ +struct propdata { + unsigned char *data; + size_t length; +}; + +struct atom_list { + Atom primary, clipboard, text, utf8_string, string, targets, multiple, + cstring, image_png, image_jpeg, incr, atom, clipboard_manager, + compound_text, atom_pair; +}; + + +@interface x_selection : NSObject +{ +@private + + /* The unmapped window we use for fetching selections. */ + Window _selection_window; + + /* Last time we declared anything on the pasteboard. */ + int _my_last_change; + + /* Name of the selection we're proxying onto the pasteboard. */ + Atom _proxied_selection; + + /* When true, we're expecting a SelectionNotify event. */ + unsigned int _pending_notify :1; + + Atom request_atom; + + struct { + struct propdata propdata; + Window requestor; + Atom selection; + } pending; + + /* + * This is the number of times the user has requested a copy. + * Once the copy is completed, we --pending_copy, and if the + * pending_copy is > 0 we do it again. + */ + int pending_copy; + /* + * This is used for the same purpose as pending_copy, but for the + * CLIPBOARD. It also prevents a race with INCR transfers. + */ + int pending_clipboard; + + struct atom_list atoms[1]; +} + +- (void) x_active:(Time)timestamp; +- (void) x_inactive:(Time)timestamp; + +- (void) x_copy:(Time)timestamp; + +- (void) clear_event:(XSelectionClearEvent *)e; +- (void) request_event:(XSelectionRequestEvent *)e; +- (void) notify_event:(XSelectionEvent *)e; +- (void) property_event:(XPropertyEvent *)e; +- (void) xfixes_selection_notify:(XFixesSelectionNotifyEvent *)e; +- (void) handle_selection:(Atom)selection type:(Atom)type propdata:(struct propdata *)pdata; +- (void) claim_clipboard; +- (BOOL) set_clipboard_manager_status:(BOOL)value; +- (void) own_clipboard; +- (void) copy_completed:(Atom)selection; + +- (void) reload_preferences; +- (BOOL) is_active; +- (void) send_none:(XSelectionRequestEvent *)e; +@end + +/* main.m */ +extern x_selection *_selection_object; + +#endif /* X_SELECTION_H */ diff --git a/xorg-server/hw/xquartz/pbproxy/x-selection.m b/xorg-server/hw/xquartz/pbproxy/x-selection.m new file mode 100644 index 000000000..cd540be98 --- /dev/null +++ b/xorg-server/hw/xquartz/pbproxy/x-selection.m @@ -0,0 +1,1545 @@ +/* x-selection.m -- proxies between NSPasteboard and X11 selections + + Copyright (c) 2002, 2008 Apple Computer, 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. +*/ + +#import "x-selection.h" + +#include <stdio.h> +#include <stdlib.h> +#include <X11/Xatom.h> +#include <X11/Xutil.h> +#import <AppKit/NSGraphics.h> +#import <AppKit/NSImage.h> +#import <AppKit/NSBitmapImageRep.h> + +/* + * The basic design of the pbproxy code is as follows. + * + * When a client selects text, say from an xterm - we only copy it when the + * X11 Edit->Copy menu item is pressed or the shortcut activated. In this + * case we take the PRIMARY selection, and set it as the NSPasteboard data. + * + * When an X11 client copies something to the CLIPBOARD, pbproxy greedily grabs + * the data, sets it as the NSPasteboard data, and finally sets itself as + * owner of the CLIPBOARD. + * + * When an X11 window is activated we check to see if the NSPasteboard has + * changed. If the NSPasteboard has changed, then we set pbproxy as owner + * of the PRIMARY and CLIPBOARD and respond to requests for text and images. + * + * The behavior is now dynamic since the information above was written. + * The behavior is now dependent on the pbproxy_prefs below. + */ + +/* + * TODO: + * 1. handle MULTIPLE - I need to study the ICCCM further, and find a test app. + * 2. Handle NSPasteboard updates immediately, not on active/inactive + * - Open xterm, run 'cat readme.txt | pbcopy' + */ + +static struct { + BOOL active ; + BOOL primary_on_grab; /* This is provided as an option for people who + * want it and has issues that won't ever be + * addressed to make it *always* work. + */ + BOOL clipboard_to_pasteboard; + BOOL pasteboard_to_primary; + BOOL pasteboard_to_clipboard; +} pbproxy_prefs = { YES, NO, YES, YES, YES }; + +@implementation x_selection + +static struct propdata null_propdata = {NULL, 0}; + +#ifdef DEBUG +static void +dump_prefs (FILE *fp) { + fprintf(fp, + "pbproxy preferences:\n" + "\tactive %u\n" + "\tprimary_on_grab %u\n" + "\tclipboard_to_pasteboard %u\n" + "\tpasteboard_to_primary %u\n" + "\tpasteboard_to_clipboard %u\n", + pbproxy_prefs.active, + pbproxy_prefs.primary_on_grab, + pbproxy_prefs.clipboard_to_pasteboard, + pbproxy_prefs.pasteboard_to_primary, + pbproxy_prefs.pasteboard_to_clipboard); +} +#endif + +extern CFStringRef app_prefs_domain_cfstr; + +static BOOL +prefs_get_bool (CFStringRef key, BOOL defaultValue) { + Boolean value, ok; + + value = CFPreferencesGetAppBooleanValue (key, app_prefs_domain_cfstr, &ok); + + return ok ? (BOOL) value : defaultValue; +} + +static void +init_propdata (struct propdata *pdata) +{ + *pdata = null_propdata; +} + +static void +free_propdata (struct propdata *pdata) +{ + free (pdata->data); + *pdata = null_propdata; +} + +/* + * Return True if an error occurs. Return False if pdata has data + * and we finished. + * The property is only deleted when bytesleft is 0 if delete is True. + */ +static Bool +get_property(Window win, Atom property, struct propdata *pdata, Bool delete, Atom *type) +{ + long offset = 0; + unsigned long numitems, bytesleft = 0; +#ifdef TEST + /* This is used to test the growth handling. */ + unsigned long length = 4UL; +#else + unsigned long length = (100000UL + 3) / 4; +#endif + unsigned char *buf = NULL, *chunk = NULL; + size_t buflen = 0, chunkbytesize = 0; + int format; + + TRACE (); + + if(None == property) + return True; + + do + { + unsigned long newbuflen = 0; + unsigned char *newbuf = NULL; + +#ifdef TEST + printf("bytesleft %lu\n", bytesleft); +#endif + + if (Success != XGetWindowProperty (xpbproxy_dpy, win, property, + offset, length, delete, + AnyPropertyType, + type, &format, &numitems, + &bytesleft, &chunk)) + { + DB ("Error while getting window property.\n"); + *pdata = null_propdata; + free (buf); + return True; + } + +#ifdef TEST + printf("format %d numitems %lu bytesleft %lu\n", + format, numitems, bytesleft); + + printf("type %s\n", XGetAtomName (xpbproxy_dpy, *type)); +#endif + + /* Format is the number of bits. */ + chunkbytesize = numitems * (format / 8); + +#ifdef TEST + printf("chunkbytesize %zu\n", chunkbytesize); +#endif + newbuflen = buflen + chunkbytesize; + if (newbuflen > 0) + { + newbuf = realloc (buf, newbuflen); + + if (NULL == newbuf) + { + XFree (chunk); + free (buf); + return True; + } + + memcpy (newbuf + buflen, chunk, chunkbytesize); + XFree (chunk); + buf = newbuf; + buflen = newbuflen; + /* offset is a multiple of 32 bits*/ + offset += chunkbytesize / 4; + } + else + { + if (chunk) + XFree (chunk); + } + +#ifdef TEST + printf("bytesleft %lu\n", bytesleft); +#endif + } while (bytesleft > 0); + + pdata->data = buf; + pdata->length = buflen; + + return /*success*/ False; +} + + +/* Implementation methods */ + +/* This finds the preferred type from a TARGETS list.*/ +- (Atom) find_preferred:(struct propdata *)pdata +{ + Atom a = None; + size_t i; + Bool png = False, jpeg = False, utf8 = False, string = False; + + TRACE (); + + if (pdata->length % sizeof (a)) + { + fprintf(stderr, "Atom list is not a multiple of the size of an atom!\n"); + return None; + } + + for (i = 0; i < pdata->length; i += sizeof (a)) + { + a = None; + memcpy (&a, pdata->data + i, sizeof (a)); + + if (a == atoms->image_png) + { + png = True; + } + else if (a == atoms->image_jpeg) + { + jpeg = True; + } + else if (a == atoms->utf8_string) + { + utf8 = True; + } + else if (a == atoms->string) + { + string = True; + } + else + { + char *type = XGetAtomName(xpbproxy_dpy, a); + if (type) + { + DB("Unhandled X11 mime type: %s", type); + XFree(type); + } + } + } + + /*We prefer PNG over strings, and UTF8 over a Latin-1 string.*/ + if (png) + return atoms->image_png; + + if (jpeg) + return atoms->image_jpeg; + + if (utf8) + return atoms->utf8_string; + + if (string) + return atoms->string; + + /* This is evidently something we don't know how to handle.*/ + return None; +} + +/* Return True if this is an INCR-style transfer. */ +- (Bool) is_incr_type:(XSelectionEvent *)e +{ + Atom seltype; + int format; + unsigned long numitems = 0UL, bytesleft = 0UL; + unsigned char *chunk; + + TRACE (); + + if (Success != XGetWindowProperty (xpbproxy_dpy, e->requestor, e->property, + /*offset*/ 0L, /*length*/ 4UL, + /*Delete*/ False, + AnyPropertyType, &seltype, &format, + &numitems, &bytesleft, &chunk)) + { + return False; + } + + if(chunk) + XFree(chunk); + + return (seltype == atoms->incr) ? True : False; +} + +/* + * This should be called after a selection has been copied, + * or when the selection is unfinished before a transfer completes. + */ +- (void) release_pending +{ + TRACE (); + + free_propdata (&pending.propdata); + pending.requestor = None; + pending.selection = None; +} + +/* Return True if an error occurs during an append.*/ +/* Return False if the append succeeds. */ +- (Bool) append_to_pending:(struct propdata *)pdata requestor:(Window)requestor +{ + unsigned char *newdata; + size_t newlength; + + TRACE (); + + if (requestor != pending.requestor) + { + [self release_pending]; + pending.requestor = requestor; + } + + newlength = pending.propdata.length + pdata->length; + newdata = realloc(pending.propdata.data, newlength); + + if(NULL == newdata) + { + perror("realloc propdata"); + [self release_pending]; + return True; + } + + memcpy(newdata + pending.propdata.length, pdata->data, pdata->length); + pending.propdata.data = newdata; + pending.propdata.length = newlength; + + return False; +} + + + +/* Called when X11 becomes active (i.e. has key focus) */ +- (void) x_active:(Time)timestamp +{ + static NSInteger changeCount; + NSInteger countNow; + NSPasteboard *pb; + + TRACE (); + + pb = [NSPasteboard generalPasteboard]; + + if (nil == pb) + return; + + countNow = [pb changeCount]; + + if (countNow != changeCount) + { + DB ("changed pasteboard!\n"); + changeCount = countNow; + + if (pbproxy_prefs.pasteboard_to_primary) + { + XSetSelectionOwner (xpbproxy_dpy, atoms->primary, _selection_window, CurrentTime); + } + + if (pbproxy_prefs.pasteboard_to_clipboard) { + [self own_clipboard]; + } + } + +#if 0 + /*gstaplin: we should perhaps investigate something like this branch above...*/ + if ([_pasteboard availableTypeFromArray: _known_types] != nil) + { + /* Pasteboard has data we should proxy; I think it makes + sense to put it on both CLIPBOARD and PRIMARY */ + + XSetSelectionOwner (xpbproxy_dpy, atoms->clipboard, + _selection_window, timestamp); + XSetSelectionOwner (xpbproxy_dpy, atoms->primary, + _selection_window, timestamp); + } +#endif +} + +/* Called when X11 loses key focus */ +- (void) x_inactive:(Time)timestamp +{ + TRACE (); +} + +/* This requests the TARGETS list from the PRIMARY selection owner. */ +- (void) x_copy_request_targets +{ + TRACE (); + + request_atom = atoms->targets; + XConvertSelection (xpbproxy_dpy, atoms->primary, atoms->targets, + atoms->primary, _selection_window, CurrentTime); +} + +/* Called when the Edit/Copy item on the main X11 menubar is selected + * and no appkit window claims it. */ +- (void) x_copy:(Time)timestamp +{ + Window w; + + TRACE (); + + w = XGetSelectionOwner (xpbproxy_dpy, atoms->primary); + + if (None != w) + { + ++pending_copy; + + if (1 == pending_copy) { + /* + * There are no other copy operations in progress, so we + * can proceed safely. Otherwise the copy_completed method + * will see that the pending_copy is > 1, and do another copy. + */ + [self x_copy_request_targets]; + } + } + else + { + XBell (xpbproxy_dpy, 0); + } +} + +/* Set pbproxy as owner of the SELECTION_MANAGER selection. + * This prevents tools like xclipboard from causing havoc. + * Returns TRUE on success + */ +- (BOOL) set_clipboard_manager_status:(BOOL)value +{ + TRACE (); + + Window owner = XGetSelectionOwner (xpbproxy_dpy, atoms->clipboard_manager); + + if(value) { + if(owner == _selection_window) + return TRUE; + + if(owner != None) { + fprintf (stderr, "A clipboard manager using window 0x%lx " + "already owns the clipboard selection. " + "pbproxy will not sync clipboard to pasteboard.\n", owner); + return FALSE; + } + + XSetSelectionOwner(xpbproxy_dpy, atoms->clipboard_manager, _selection_window, CurrentTime); + return (_selection_window == XGetSelectionOwner(xpbproxy_dpy, atoms->clipboard_manager)); + } else { + if(owner != _selection_window) + return TRUE; + + XSetSelectionOwner(xpbproxy_dpy, atoms->clipboard_manager, None, CurrentTime); + return(None == XGetSelectionOwner(xpbproxy_dpy, atoms->clipboard_manager)); + } + + return FALSE; +} + +/* + * This occurs when we previously owned a selection, + * and then lost it from another client. + */ +- (void) clear_event:(XSelectionClearEvent *)e +{ + + + TRACE (); + + DB ("e->selection %s\n", XGetAtomName (xpbproxy_dpy, e->selection)); + + if(e->selection == atoms->clipboard) { + /* + * We lost ownership of the CLIPBOARD. + */ + ++pending_clipboard; + + if (1 == pending_clipboard) { + /* Claim the clipboard contents from the new owner. */ + [self claim_clipboard]; + } + } else if(e->selection == atoms->clipboard_manager) { + if(pbproxy_prefs.clipboard_to_pasteboard) { + /* Another CLIPBOARD_MANAGER has set itself as owner. Disable syncing + * to avoid a race. + */ + fprintf(stderr, "Another clipboard manager was started! " + "xpbproxy is disabling syncing with clipboard.\n"); + pbproxy_prefs.clipboard_to_pasteboard = NO; + } + } +} + +/* + * We greedily acquire the clipboard after it changes, and on startup. + */ +- (void) claim_clipboard +{ + Window owner; + + TRACE (); + + if (!pbproxy_prefs.clipboard_to_pasteboard) + return; + + owner = XGetSelectionOwner (xpbproxy_dpy, atoms->clipboard); + if (None == owner) { + /* + * The owner probably died or we are just starting up pbproxy. + * Set pbproxy's _selection_window as the owner, and continue. + */ + DB ("No clipboard owner.\n"); + [self copy_completed:atoms->clipboard]; + return; + } else if (owner == _selection_window) { + [self copy_completed:atoms->clipboard]; + return; + } + + DB ("requesting targets\n"); + + request_atom = atoms->targets; + XConvertSelection (xpbproxy_dpy, atoms->clipboard, atoms->targets, + atoms->clipboard, _selection_window, CurrentTime); + XFlush (xpbproxy_dpy); + /* Now we will get a SelectionNotify event in the future. */ +} + +/* Greedily acquire the clipboard. */ +- (void) own_clipboard +{ + + TRACE (); + + /* We should perhaps have a boundary limit on the number of iterations... */ + do + { + XSetSelectionOwner (xpbproxy_dpy, atoms->clipboard, _selection_window, + CurrentTime); + } while (_selection_window != XGetSelectionOwner (xpbproxy_dpy, + atoms->clipboard)); +} + +- (void) init_reply:(XEvent *)reply request:(XSelectionRequestEvent *)e +{ + reply->xselection.type = SelectionNotify; + reply->xselection.selection = e->selection; + reply->xselection.target = e->target; + reply->xselection.requestor = e->requestor; + reply->xselection.time = e->time; + reply->xselection.property = None; +} + +- (void) send_reply:(XEvent *)reply +{ + /* + * We are supposed to use an empty event mask, and not propagate + * the event, according to the ICCCM. + */ + DB ("reply->xselection.requestor 0x%lx\n", reply->xselection.requestor); + + XSendEvent (xpbproxy_dpy, reply->xselection.requestor, False, 0, reply); + XFlush (xpbproxy_dpy); +} + +/* + * This responds to a TARGETS request. + * The result is a list of a ATOMs that correspond to the types available + * for a selection. + * For instance an application might provide a UTF8_STRING and a STRING + * (in Latin-1 encoding). The requestor can then make the choice based on + * the list. + */ +- (void) send_targets:(XSelectionRequestEvent *)e pasteboard:(NSPasteboard *)pb +{ + XEvent reply; + NSArray *pbtypes; + + [self init_reply:&reply request:e]; + + pbtypes = [pb types]; + if (pbtypes) + { + long list[7]; /* Don't forget to increase this if we handle more types! */ + long count = 0; + + /* + * I'm not sure if this is needed, but some toolkits/clients list + * TARGETS in response to targets. + */ + list[count] = atoms->targets; + ++count; + + if ([pbtypes containsObject:NSStringPboardType]) + { + /* We have a string type that we can convert to UTF8, or Latin-1... */ + DB ("NSStringPboardType\n"); + list[count] = atoms->utf8_string; + ++count; + list[count] = atoms->string; + ++count; + list[count] = atoms->compound_text; + ++count; + } + + /* TODO add the NSPICTPboardType back again, once we have conversion + * functionality in send_image. + */ + + if ([pbtypes containsObject:NSPICTPboardType] + || [pbtypes containsObject:NSTIFFPboardType]) + { + /* We can convert a TIFF to a PNG or JPEG. */ + DB ("NSTIFFPboardType\n"); + list[count] = atoms->image_png; + ++count; + list[count] = atoms->image_jpeg; + ++count; + } + + if (count) + { + /* We have a list of ATOMs to send. */ + XChangeProperty (xpbproxy_dpy, e->requestor, e->property, atoms->atom, 32, + PropModeReplace, (unsigned char *) list, count); + + reply.xselection.property = e->property; + } + } + + [self send_reply:&reply]; +} + + +- (void) send_string:(XSelectionRequestEvent *)e utf8:(BOOL)utf8 pasteboard:(NSPasteboard *)pb +{ + XEvent reply; + NSArray *pbtypes; + NSString *data; + const char *bytes; + NSUInteger length; + + TRACE (); + + [self init_reply:&reply request:e]; + + pbtypes = [pb types]; + + if (![pbtypes containsObject:NSStringPboardType]) + { + [self send_reply:&reply]; + return; + } + + DB ("pbtypes retainCount after containsObject: %u\n", [pbtypes retainCount]); + + data = [pb stringForType:NSStringPboardType]; + + if (nil == data) + { + [self send_reply:&reply]; + return; + } + + if (utf8) + { + bytes = [data UTF8String]; + /* + * We don't want the UTF-8 string length here. + * We want the length in bytes. + */ + length = strlen (bytes); + + if (length < 50) { + DB ("UTF-8: %s\n", bytes); + DB ("UTF-8 length: %u\n", length); + } + } + else + { + DB ("Latin-1\n"); + bytes = [data cStringUsingEncoding:NSISOLatin1StringEncoding]; + /*WARNING: bytes is not NUL-terminated. */ + length = [data lengthOfBytesUsingEncoding:NSISOLatin1StringEncoding]; + } + + DB ("e->target %s\n", XGetAtomName (xpbproxy_dpy, e->target)); + + XChangeProperty (xpbproxy_dpy, e->requestor, e->property, e->target, + 8, PropModeReplace, (unsigned char *) bytes, length); + + reply.xselection.property = e->property; + + [self send_reply:&reply]; +} + +- (void) send_compound_text:(XSelectionRequestEvent *)e pasteboard:(NSPasteboard *)pb +{ + XEvent reply; + NSArray *pbtypes; + + TRACE (); + + [self init_reply:&reply request:e]; + + pbtypes = [pb types]; + + if ([pbtypes containsObject: NSStringPboardType]) + { + NSString *data = [pb stringForType:NSStringPboardType]; + if (nil != data) + { + /* + * Cast to (void *) to avoid a const warning. + * AFAIK Xutf8TextListToTextProperty does not modify the input memory. + */ + void *utf8 = (void *)[data UTF8String]; + char *list[] = { utf8, NULL }; + XTextProperty textprop; + + textprop.value = NULL; + + if (Success == Xutf8TextListToTextProperty (xpbproxy_dpy, list, 1, + XCompoundTextStyle, + &textprop)) + { + + if (8 != textprop.format) + DB ("textprop.format is unexpectedly not 8 - it's %d instead\n", + textprop.format); + + XChangeProperty (xpbproxy_dpy, e->requestor, e->property, + atoms->compound_text, textprop.format, + PropModeReplace, textprop.value, + textprop.nitems); + + reply.xselection.property = e->property; + } + + if (textprop.value) + XFree (textprop.value); + + } + } + + [self send_reply:&reply]; +} + +/* Finding a test application that uses MULTIPLE has proven to be difficult. */ +- (void) send_multiple:(XSelectionRequestEvent *)e +{ + XEvent reply; + + TRACE (); + + [self init_reply:&reply request:e]; + + if (None != e->property) + { + + } + + [self send_reply:&reply]; +} + +/* Return nil if an error occured. */ +/* DO NOT retain the encdata for longer than the length of an event response. + * The autorelease pool will reuse/free it. + */ +- (NSData *) encode_image_data:(NSData *)data type:(NSBitmapImageFileType)enctype +{ + NSBitmapImageRep *bmimage = nil; + NSData *encdata = nil; + NSDictionary *dict = nil; + + bmimage = [[NSBitmapImageRep alloc] initWithData:data]; + + if (nil == bmimage) + return nil; + + dict = [[NSDictionary alloc] init]; + encdata = [bmimage representationUsingType:enctype properties:dict]; + + if (nil == encdata) + { + [dict autorelease]; + [bmimage autorelease]; + return nil; + } + + [dict autorelease]; + [bmimage autorelease]; + + return encdata; +} + +/* Return YES when an error has occured when trying to send the PICT. */ +/* The caller should send a default reponse with a property of None when an error occurs. */ +- (BOOL) send_image_pict_reply:(XSelectionRequestEvent *)e + pasteboard:(NSPasteboard *)pb + type:(NSBitmapImageFileType)imagetype +{ + XEvent reply; + NSImage *img = nil; + NSData *data = nil, *encdata = nil; + NSUInteger length; + const void *bytes = NULL; + + img = [[NSImage alloc] initWithPasteboard:pb]; + + if (nil == img) + { + return YES; + } + + data = [img TIFFRepresentation]; + + if (nil == data) + { + [img autorelease]; + fprintf(stderr, "unable to convert PICT to TIFF!\n"); + return YES; + } + + encdata = [self encode_image_data:data type:imagetype]; + if(nil == encdata) + { + [img autorelease]; + return YES; + } + + [self init_reply:&reply request:e]; + + length = [encdata length]; + bytes = [encdata bytes]; + + XChangeProperty (xpbproxy_dpy, e->requestor, e->property, e->target, + 8, PropModeReplace, bytes, length); + reply.xselection.property = e->property; + + [self send_reply:&reply]; + + [img autorelease]; + + return NO; /*no error*/ +} + +/* Return YES if an error occured. */ +/* The caller should send a reply with a property of None when an error occurs. */ +- (BOOL) send_image_tiff_reply:(XSelectionRequestEvent *)e + pasteboard:(NSPasteboard *)pb + type:(NSBitmapImageFileType)imagetype +{ + XEvent reply; + NSData *data = nil; + NSData *encdata = nil; + NSUInteger length; + const void *bytes = NULL; + + data = [pb dataForType:NSTIFFPboardType]; + + if (nil == data) + return YES; + + encdata = [self encode_image_data:data type:imagetype]; + + if(nil == encdata) + return YES; + + [self init_reply:&reply request:e]; + + length = [encdata length]; + bytes = [encdata bytes]; + + XChangeProperty (xpbproxy_dpy, e->requestor, e->property, e->target, + 8, PropModeReplace, bytes, length); + reply.xselection.property = e->property; + + [self send_reply:&reply]; + + return NO; /*no error*/ +} + +- (void) send_image:(XSelectionRequestEvent *)e pasteboard:(NSPasteboard *)pb +{ + NSArray *pbtypes = nil; + NSBitmapImageFileType imagetype = NSPNGFileType; + + TRACE (); + + if (e->target == atoms->image_png) + imagetype = NSPNGFileType; + else if (e->target == atoms->image_jpeg) + imagetype = NSJPEGFileType; + else + { + fprintf(stderr, "internal failure in xpbproxy! imagetype being sent isn't PNG or JPEG.\n"); + } + + pbtypes = [pb types]; + + if (pbtypes) + { + if ([pbtypes containsObject:NSTIFFPboardType]) + { + if (NO == [self send_image_tiff_reply:e pasteboard:pb type:imagetype]) + return; + } + else if ([pbtypes containsObject:NSPICTPboardType]) + { + if (NO == [self send_image_pict_reply:e pasteboard:pb type:imagetype]) + return; + + /* Fall through intentionally to the send_none: */ + } + } + + [self send_none:e]; +} + +- (void)send_none:(XSelectionRequestEvent *)e +{ + XEvent reply; + + TRACE (); + + [self init_reply:&reply request:e]; + [self send_reply:&reply]; +} + + +/* Another client requested the data or targets of data available from the clipboard. */ +- (void)request_event:(XSelectionRequestEvent *)e +{ + NSPasteboard *pb; + + TRACE (); + + /* TODO We should also keep track of the time of the selection, and + * according to the ICCCM "refuse the request" if the event timestamp + * is before we owned it. + * What should we base the time on? How can we get the current time just + * before an XSetSelectionOwner? Is it the server's time, or the clients? + * According to the XSelectionRequestEvent manual page, the Time value + * may be set to CurrentTime or a time, so that makes it a bit different. + * Perhaps we should just punt and ignore races. + */ + + /*TODO we need a COMPOUND_TEXT test app*/ + /*TODO we need a MULTIPLE test app*/ + + pb = [NSPasteboard generalPasteboard]; + if (nil == pb) + { + [self send_none:e]; + return; + } + + + if (None != e->target) + DB ("e->target %s\n", XGetAtomName (xpbproxy_dpy, e->target)); + + if (e->target == atoms->targets) + { + /* The paste requestor wants to know what TARGETS we support. */ + [self send_targets:e pasteboard:pb]; + } + else if (e->target == atoms->multiple) + { + /* + * This isn't finished, and may never be, unless I can find + * a good test app. + */ + [self send_multiple:e]; + } + else if (e->target == atoms->utf8_string) + { + [self send_string:e utf8:YES pasteboard:pb]; + } + else if (e->target == atoms->string) + { + [self send_string:e utf8:NO pasteboard:pb]; + } + else if (e->target == atoms->compound_text) + { + [self send_compound_text:e pasteboard:pb]; + } + else if (e->target == atoms->multiple) + { + [self send_multiple:e]; + } + else if (e->target == atoms->image_png || e->target == atoms->image_jpeg) + { + [self send_image:e pasteboard:pb]; + } + else + { + [self send_none:e]; + } +} + +/* This handles the events resulting from an XConvertSelection request. */ +- (void) notify_event:(XSelectionEvent *)e +{ + Atom type; + struct propdata pdata; + + TRACE (); + + [self release_pending]; + + if (None == e->property) { + DB ("e->property is None.\n"); + [self copy_completed:e->selection]; + /* Nothing is selected. */ + return; + } + +#if 0 + printf ("e->selection %s\n", XGetAtomName (xpbproxy_dpy, e->selection)); + printf ("e->property %s\n", XGetAtomName (xpbproxy_dpy, e->property)); +#endif + + if ([self is_incr_type:e]) + { + /* + * This is an INCR-style transfer, which means that we + * will get the data after a series of PropertyNotify events. + */ + DB ("is INCR\n"); + + if (get_property (e->requestor, e->property, &pdata, /*Delete*/ True, &type)) + { + /* + * An error occured, so we should invoke the copy_completed:, but + * not handle_selection:type:propdata: + */ + [self copy_completed:e->selection]; + return; + } + + free_propdata (&pdata); + + pending.requestor = e->requestor; + pending.selection = e->selection; + + DB ("set pending.requestor to 0x%lx\n", pending.requestor); + } + else + { + if (get_property (e->requestor, e->property, &pdata, /*Delete*/ True, &type)) + { + [self copy_completed:e->selection]; + return; + } + + /* We have the complete selection data.*/ + [self handle_selection:e->selection type:type propdata:&pdata]; + + DB ("handled selection with the first notify_event\n"); + } +} + +/* This is used for INCR transfers. See the ICCCM for the details. */ +/* This is used to retrieve PRIMARY and CLIPBOARD selections. */ +- (void) property_event:(XPropertyEvent *)e +{ + struct propdata pdata; + Atom type; + + TRACE (); + + if (None != e->atom) + { +#ifdef DEBUG + char *name = XGetAtomName (xpbproxy_dpy, e->atom); + + if (name) + { + DB ("e->atom %s\n", name); + XFree(name); + } +#endif + } + + if (None != pending.requestor && PropertyNewValue == e->state) + { + DB ("pending.requestor 0x%lx\n", pending.requestor); + + if (get_property (e->window, e->atom, &pdata, /*Delete*/ True, &type)) + { + [self copy_completed:pending.selection]; + [self release_pending]; + return; + } + + if (0 == pdata.length) + { + /* + * We completed the transfer. + * handle_selection will call copy_completed: for us. + */ + [self handle_selection:pending.selection type:type propdata:&pending.propdata]; + free_propdata(&pdata); + pending.propdata = null_propdata; + pending.requestor = None; + pending.selection = None; + } + else + { + [self append_to_pending:&pdata requestor:e->window]; + free_propdata (&pdata); + } + } +} + +- (void) xfixes_selection_notify:(XFixesSelectionNotifyEvent *)e { + if(!pbproxy_prefs.active) + return; + + switch(e->subtype) { + case XFixesSetSelectionOwnerNotify: + if(e->selection == atoms->primary && pbproxy_prefs.primary_on_grab) + [self x_copy:e->timestamp]; + break; + + case XFixesSelectionWindowDestroyNotify: + case XFixesSelectionClientCloseNotify: + default: + fprintf(stderr, "Unhandled XFixesSelectionNotifyEvent: subtype=%d\n", e->subtype); + break; + } +} + +- (void) handle_targets: (Atom)selection propdata:(struct propdata *)pdata +{ + /* Find a type we can handle and prefer from the list of ATOMs. */ + Atom preferred; + char *name; + + TRACE (); + + preferred = [self find_preferred:pdata]; + + if (None == preferred) + { + /* + * This isn't required by the ICCCM, but some apps apparently + * don't respond to TARGETS properly. + */ + preferred = atoms->string; + } + + (void)name; /* Avoid a warning with non-debug compiles. */ +#ifdef DEBUG + name = XGetAtomName (xpbproxy_dpy, preferred); + + if (name) + { + DB ("requesting %s\n", name); + } +#endif + request_atom = preferred; + XConvertSelection (xpbproxy_dpy, selection, preferred, selection, + _selection_window, CurrentTime); +} + +/* This handles the image type of selection (typically in CLIPBOARD). */ +/* We convert to a TIFF, so that other applications can paste more easily. */ +- (void) handle_image: (struct propdata *)pdata pasteboard:(NSPasteboard *)pb +{ + NSArray *pbtypes; + NSUInteger length; + NSData *data, *tiff; + NSBitmapImageRep *bmimage; + + TRACE (); + + length = pdata->length; + data = [[NSData alloc] initWithBytes:pdata->data length:length]; + + if (nil == data) + { + DB ("unable to create NSData object!\n"); + return; + } + + DB ("data retainCount before NSBitmapImageRep initWithData: %u\n", + [data retainCount]); + + bmimage = [[NSBitmapImageRep alloc] initWithData:data]; + + if (nil == bmimage) + { + [data autorelease]; + DB ("unable to create NSBitmapImageRep!\n"); + return; + } + + DB ("data retainCount after NSBitmapImageRep initWithData: %u\n", + [data retainCount]); + + @try + { + tiff = [bmimage TIFFRepresentation]; + } + + @catch (NSException *e) + { + DB ("NSTIFFException!\n"); + [data autorelease]; + [bmimage autorelease]; + return; + } + + DB ("bmimage retainCount after TIFFRepresentation %u\n", [bmimage retainCount]); + + pbtypes = [NSArray arrayWithObjects:NSTIFFPboardType, nil]; + + if (nil == pbtypes) + { + [data autorelease]; + [bmimage autorelease]; + return; + } + + [pb declareTypes:pbtypes owner:nil]; + if (YES != [pb setData:tiff forType:NSTIFFPboardType]) + { + DB ("writing pasteboard data failed!\n"); + } + + [data autorelease]; + + DB ("bmimage retainCount before release %u\n", [bmimage retainCount]); + [bmimage autorelease]; +} + +/* This handles the UTF8_STRING type of selection. */ +- (void) handle_utf8_string:(struct propdata *)pdata pasteboard:(NSPasteboard *)pb +{ + NSString *string; + NSArray *pbtypes; + + TRACE (); + + string = [[NSString alloc] initWithBytes:pdata->data length:pdata->length encoding:NSUTF8StringEncoding]; + + if (nil == string) + return; + + pbtypes = [NSArray arrayWithObjects:NSStringPboardType, nil]; + + if (nil == pbtypes) + { + [string autorelease]; + return; + } + + [pb declareTypes:pbtypes owner:nil]; + + if (YES != [pb setString:string forType:NSStringPboardType]) { + fprintf(stderr, "pasteboard setString:forType: failed!\n"); + } + [string autorelease]; + DB ("done handling utf8 string\n"); +} + +/* This handles the STRING type, which should be in Latin-1. */ +- (void) handle_string: (struct propdata *)pdata pasteboard:(NSPasteboard *)pb +{ + NSString *string; + NSArray *pbtypes; + + TRACE (); + + string = [[NSString alloc] initWithBytes:pdata->data length:pdata->length encoding:NSISOLatin1StringEncoding]; + + if (nil == string) + return; + + pbtypes = [NSArray arrayWithObjects:NSStringPboardType, nil]; + + if (nil == pbtypes) + { + [string autorelease]; + return; + } + + [pb declareTypes:pbtypes owner:nil]; + if (YES != [pb setString:string forType:NSStringPboardType]) { + fprintf(stderr, "pasteboard setString:forType failed in handle_string!\n"); + } + [string autorelease]; +} + +/* This is called when the selection is completely retrieved from another client. */ +/* Warning: this frees the propdata. */ +- (void) handle_selection:(Atom)selection type:(Atom)type propdata:(struct propdata *)pdata +{ + NSPasteboard *pb; + + TRACE (); + + pb = [NSPasteboard generalPasteboard]; + + if (nil == pb) + { + [self copy_completed:selection]; + free_propdata (pdata); + return; + } + + /* + * Some apps it seems set the type to TARGETS instead of ATOM, such as Eterm. + * These aren't ICCCM compliant apps, but we need these to work... + */ + if (request_atom == atoms->targets + && (type == atoms->atom || type == atoms->targets)) + { + [self handle_targets:selection propdata:pdata]; + free_propdata(pdata); + return; + } + else if (type == atoms->image_png) + { + [self handle_image:pdata pasteboard:pb]; + } + else if (type == atoms->image_jpeg) + { + [self handle_image:pdata pasteboard:pb]; + } + else if (type == atoms->utf8_string) + { + [self handle_utf8_string:pdata pasteboard:pb]; + } + else if (type == atoms->string) + { + [self handle_string:pdata pasteboard:pb]; + } + + free_propdata(pdata); + + [self copy_completed:selection]; +} + + +- (void) copy_completed:(Atom)selection +{ + TRACE (); + char *name; + + (void)name; /* Avoid warning with non-debug compiles. */ +#ifdef DEBUG + name = XGetAtomName (xpbproxy_dpy, selection); + if (name) + { + DB ("copy_completed: %s\n", name); + XFree (name); + } +#endif + + if (selection == atoms->primary && pending_copy > 0) + { + --pending_copy; + if (pending_copy > 0) + { + /* Copy PRIMARY again. */ + [self x_copy_request_targets]; + return; + } + } + else if (selection == atoms->clipboard && pending_clipboard > 0) + { + --pending_clipboard; + if (pending_clipboard > 0) + { + /* Copy CLIPBOARD. */ + [self claim_clipboard]; + return; + } + else + { + /* We got the final data. Now set pbproxy as the owner. */ + [self own_clipboard]; + return; + } + } + + /* + * We had 1 or more primary in progress, and the clipboard arrived + * while we were busy. + */ + if (pending_clipboard > 0) + { + [self claim_clipboard]; + } +} + +- (void) reload_preferences +{ + /* + * It's uncertain how we could handle the synchronization failing, so cast to void. + * The prefs_get_bool should fall back to defaults if the org.x.X11 plist doesn't exist or is invalid. + */ + (void)CFPreferencesAppSynchronize(app_prefs_domain_cfstr); +#ifdef STANDALONE_XPBPROXY + if(xpbproxy_is_standalone) + pbproxy_prefs.active = YES; + else +#endif + pbproxy_prefs.active = prefs_get_bool(CFSTR("sync_pasteboard"), pbproxy_prefs.active); + pbproxy_prefs.primary_on_grab = prefs_get_bool(CFSTR("sync_primary_on_select"), pbproxy_prefs.primary_on_grab); + pbproxy_prefs.clipboard_to_pasteboard = prefs_get_bool(CFSTR("sync_clipboard_to_pasteboard"), pbproxy_prefs.clipboard_to_pasteboard); + pbproxy_prefs.pasteboard_to_primary = prefs_get_bool(CFSTR("sync_pasteboard_to_primary"), pbproxy_prefs.pasteboard_to_primary); + pbproxy_prefs.pasteboard_to_clipboard = prefs_get_bool(CFSTR("sync_pasteboard_to_clipboard"), pbproxy_prefs.pasteboard_to_clipboard); + + /* This is used for debugging. */ + //dump_prefs(stdout); + + if(pbproxy_prefs.active && pbproxy_prefs.primary_on_grab && !xpbproxy_have_xfixes) { + fprintf(stderr, "Disabling sync_primary_on_select functionality due to missing XFixes extension.\n"); + pbproxy_prefs.primary_on_grab = NO; + } + + /* Claim or release the CLIPBOARD_MANAGER atom */ + if(![self set_clipboard_manager_status:(pbproxy_prefs.active && pbproxy_prefs.clipboard_to_pasteboard)]) + pbproxy_prefs.clipboard_to_pasteboard = NO; + + if(pbproxy_prefs.active && pbproxy_prefs.clipboard_to_pasteboard) + [self claim_clipboard]; +} + +- (BOOL) is_active +{ + return pbproxy_prefs.active; +} + +/* NSPasteboard-required methods */ + +- (void) paste:(id)sender +{ + TRACE (); +} + +- (void) pasteboard:(NSPasteboard *)pb provideDataForType:(NSString *)type +{ + TRACE (); +} + +- (void) pasteboardChangedOwner:(NSPasteboard *)pb +{ + TRACE (); + + /* Right now we don't care with this. */ +} + +/* Allocation */ + +- init +{ + unsigned long pixel; + + self = [super init]; + if (self == nil) + return nil; + + atoms->primary = XInternAtom (xpbproxy_dpy, "PRIMARY", False); + atoms->clipboard = XInternAtom (xpbproxy_dpy, "CLIPBOARD", False); + atoms->text = XInternAtom (xpbproxy_dpy, "TEXT", False); + atoms->utf8_string = XInternAtom (xpbproxy_dpy, "UTF8_STRING", False); + atoms->string = XInternAtom (xpbproxy_dpy, "STRING", False); + atoms->targets = XInternAtom (xpbproxy_dpy, "TARGETS", False); + atoms->multiple = XInternAtom (xpbproxy_dpy, "MULTIPLE", False); + atoms->cstring = XInternAtom (xpbproxy_dpy, "CSTRING", False); + atoms->image_png = XInternAtom (xpbproxy_dpy, "image/png", False); + atoms->image_jpeg = XInternAtom (xpbproxy_dpy, "image/jpeg", False); + atoms->incr = XInternAtom (xpbproxy_dpy, "INCR", False); + atoms->atom = XInternAtom (xpbproxy_dpy, "ATOM", False); + atoms->clipboard_manager = XInternAtom (xpbproxy_dpy, "CLIPBOARD_MANAGER", False); + atoms->compound_text = XInternAtom (xpbproxy_dpy, "COMPOUND_TEXT", False); + atoms->atom_pair = XInternAtom (xpbproxy_dpy, "ATOM_PAIR", False); + + pixel = BlackPixel (xpbproxy_dpy, DefaultScreen (xpbproxy_dpy)); + _selection_window = XCreateSimpleWindow (xpbproxy_dpy, DefaultRootWindow (xpbproxy_dpy), + 0, 0, 1, 1, 0, pixel, pixel); + + /* This is used to get PropertyNotify events when doing INCR transfers. */ + XSelectInput (xpbproxy_dpy, _selection_window, PropertyChangeMask); + + request_atom = None; + + init_propdata (&pending.propdata); + pending.requestor = None; + pending.selection = None; + + pending_copy = 0; + pending_clipboard = 0; + + if(xpbproxy_have_xfixes) + XFixesSelectSelectionInput(xpbproxy_dpy, _selection_window, atoms->primary, + XFixesSetSelectionOwnerNotifyMask); + + [self reload_preferences]; + + return self; +} + +- (void) dealloc +{ + if (None != _selection_window) + { + XDestroyWindow (xpbproxy_dpy, _selection_window); + _selection_window = None; + } + + free_propdata (&pending.propdata); + + [super dealloc]; +} + +@end |