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![Brendan Shanks](/assets/img/avatar_default.png)
Signed-off-by: Brendan Shanks <bshanks@codeweavers.com> Signed-off-by: Ken Thomases <ken@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
251 lines
8.8 KiB
Objective-C
251 lines
8.8 KiB
Objective-C
/*
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* MACDRV Cocoa clipboard code
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*
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* Copyright 2012, 2013 Ken Thomases for CodeWeavers Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "macdrv_cocoa.h"
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#import "cocoa_app.h"
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#import "cocoa_event.h"
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#import "cocoa_window.h"
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#if !defined(MAC_OS_X_VERSION_10_14) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_14
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/* For older SDKs, #define the new names of constants deprecated/renamed in macOS 10.14. */
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#define NSBitmapImageFileTypeBMP NSBMPFileType
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#define NSBitmapImageFileTypeGIF NSGIFFileType
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#define NSBitmapImageFileTypeJPEG NSJPEGFileType
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#define NSBitmapImageFileTypePNG NSPNGFileType
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#define NSBitmapImageFileTypeTIFF NSTIFFFileType
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#endif
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static int owned_change_count = -1;
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static int change_count = -1;
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static NSArray* BitmapOutputTypes;
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static NSDictionary* BitmapOutputTypeMap;
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static dispatch_once_t BitmapOutputTypesInitOnce;
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static NSString* const OwnershipSentinel = @"org.winehq.wine.winemac.pasteboard-ownership-sentinel";
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/***********************************************************************
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* macdrv_is_pasteboard_owner
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*/
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int macdrv_is_pasteboard_owner(macdrv_window w)
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{
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__block int ret;
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WineWindow* window = (WineWindow*)w;
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OnMainThread(^{
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NSPasteboard* pb = [NSPasteboard generalPasteboard];
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ret = ([pb changeCount] == owned_change_count);
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[window.queue discardEventsMatchingMask:event_mask_for_type(LOST_PASTEBOARD_OWNERSHIP)
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forWindow:window];
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});
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return ret;
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}
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/***********************************************************************
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* macdrv_has_pasteboard_changed
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*/
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int macdrv_has_pasteboard_changed(void)
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{
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__block int new_change_count;
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int ret;
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OnMainThread(^{
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NSPasteboard* pb = [NSPasteboard generalPasteboard];
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new_change_count = [pb changeCount];
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});
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ret = (change_count != new_change_count);
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change_count = new_change_count;
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return ret;
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}
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/***********************************************************************
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* macdrv_copy_pasteboard_types
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*
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* Returns an array of UTI strings for the types of data available on
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* the pasteboard, or NULL on error. The caller is responsible for
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* releasing the returned array with CFRelease().
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*/
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CFArrayRef macdrv_copy_pasteboard_types(CFTypeRef pasteboard)
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{
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NSPasteboard* pb = (NSPasteboard*)pasteboard;
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__block CFArrayRef ret = NULL;
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NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
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dispatch_once(&BitmapOutputTypesInitOnce, ^{
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NSArray* bitmapFileTypes = [NSArray arrayWithObjects:
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[NSNumber numberWithUnsignedInteger:NSBitmapImageFileTypeTIFF],
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[NSNumber numberWithUnsignedInteger:NSBitmapImageFileTypePNG],
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[NSNumber numberWithUnsignedInteger:NSBitmapImageFileTypeBMP],
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[NSNumber numberWithUnsignedInteger:NSBitmapImageFileTypeGIF],
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[NSNumber numberWithUnsignedInteger:NSBitmapImageFileTypeJPEG],
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nil];
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BitmapOutputTypes = [[NSArray alloc] initWithObjects:@"public.tiff", @"public.png",
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@"com.microsoft.bmp", @"com.compuserve.gif", @"public.jpeg", nil];
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BitmapOutputTypeMap = [[NSDictionary alloc] initWithObjects:bitmapFileTypes
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forKeys:BitmapOutputTypes];
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});
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OnMainThread(^{
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@try
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{
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NSPasteboard* local_pb = pb;
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NSArray* types;
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if (!local_pb) local_pb = [NSPasteboard generalPasteboard];
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types = [local_pb types];
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// If there are any types understood by NSBitmapImageRep, then we
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// can offer all of the types that it can output, too. For example,
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// if TIFF is on the pasteboard, we can offer PNG, BMP, etc. to the
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// Windows program. We'll convert on demand.
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if ([types firstObjectCommonWithArray:[NSBitmapImageRep imageTypes]] ||
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[types firstObjectCommonWithArray:[NSBitmapImageRep imagePasteboardTypes]])
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{
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NSMutableArray* newTypes = [BitmapOutputTypes mutableCopy];
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[newTypes removeObjectsInArray:types];
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types = [types arrayByAddingObjectsFromArray:newTypes];
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[newTypes release];
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}
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ret = (CFArrayRef)[types copy];
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}
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@catch (id e)
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{
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ERR(@"Exception discarded while copying pasteboard types: %@\n", e);
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}
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});
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[pool release];
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return ret;
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}
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/***********************************************************************
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* macdrv_copy_pasteboard_data
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*
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* Returns the pasteboard data for a specified type, or NULL on error or
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* if there's no such type on the pasteboard. The caller is responsible
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* for releasing the returned data object with CFRelease().
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*/
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CFDataRef macdrv_copy_pasteboard_data(CFTypeRef pasteboard, CFStringRef type)
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{
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NSPasteboard* pb = (NSPasteboard*)pasteboard;
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__block NSData* ret = nil;
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OnMainThread(^{
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@try
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{
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NSPasteboard* local_pb = pb;
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if (!local_pb) local_pb = [NSPasteboard generalPasteboard];
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if ([local_pb availableTypeFromArray:[NSArray arrayWithObject:(NSString*)type]])
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ret = [[local_pb dataForType:(NSString*)type] copy];
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else
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{
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NSNumber* bitmapType = [BitmapOutputTypeMap objectForKey:(NSString*)type];
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if (bitmapType)
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{
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NSArray* reps = [NSBitmapImageRep imageRepsWithPasteboard:local_pb];
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ret = [NSBitmapImageRep representationOfImageRepsInArray:reps
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usingType:[bitmapType unsignedIntegerValue]
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properties:nil];
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ret = [ret copy];
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}
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}
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}
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@catch (id e)
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{
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ERR(@"Exception discarded while copying pasteboard types: %@\n", e);
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}
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});
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return (CFDataRef)ret;
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}
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/***********************************************************************
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* macdrv_clear_pasteboard
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*
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* Takes ownership of the Mac pasteboard and clears it of all data types.
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*/
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void macdrv_clear_pasteboard(macdrv_window w)
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{
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WineWindow* window = (WineWindow*)w;
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OnMainThread(^{
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@try
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{
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NSPasteboard* pb = [NSPasteboard generalPasteboard];
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owned_change_count = [pb declareTypes:[NSArray arrayWithObject:OwnershipSentinel]
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owner:window];
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[window.queue discardEventsMatchingMask:event_mask_for_type(LOST_PASTEBOARD_OWNERSHIP)
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forWindow:window];
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}
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@catch (id e)
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{
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ERR(@"Exception discarded while clearing pasteboard: %@\n", e);
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}
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});
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}
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/***********************************************************************
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* macdrv_set_pasteboard_data
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*
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* Sets the pasteboard data for a specified type. Replaces any data of
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* that type already on the pasteboard. If data is NULL, promises the
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* type.
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*
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* Returns 0 on error, non-zero on success.
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*/
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int macdrv_set_pasteboard_data(CFStringRef type, CFDataRef data, macdrv_window w)
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{
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__block int ret = 0;
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WineWindow* window = (WineWindow*)w;
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OnMainThread(^{
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@try
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{
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NSPasteboard* pb = [NSPasteboard generalPasteboard];
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NSInteger change_count = [pb addTypes:[NSArray arrayWithObject:(NSString*)type]
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owner:window];
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if (change_count)
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{
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owned_change_count = change_count;
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if (data)
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ret = [pb setData:(NSData*)data forType:(NSString*)type];
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else
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ret = 1;
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}
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}
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@catch (id e)
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{
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ERR(@"Exception discarded while copying pasteboard types: %@\n", e);
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}
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});
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return ret;
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}
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