159 lines
4.5 KiB
Objective-C
159 lines
4.5 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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static int owned_change_count = -1;
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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(void)
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{
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__block int ret;
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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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});
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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(void)
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{
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__block CFArrayRef ret = NULL;
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NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
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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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NSArray* types = [pb types];
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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(CFStringRef type)
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{
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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* pb = [NSPasteboard generalPasteboard];
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if ([pb availableTypeFromArray:[NSArray arrayWithObject:(NSString*)type]])
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ret = [[pb dataForType:(NSString*)type] 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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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(void)
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{
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OnMainThreadAsync(^{
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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 array] owner:nil];
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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.
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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)
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{
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__block int ret = 0;
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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:nil];
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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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