src/video/cocoa/SDL_cocoaclipboard.m
author stopiccot
Sun, 06 Jan 2013 19:04:53 +0300
changeset 6832 156e608ec4ef
parent 6138 4c64952a58fb
child 6848 478ecc8a58b3
permissions -rw-r--r--
Replaced manual NSAutoreleasePool handing with @autorelease
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "SDL_config.h"
    22 
    23 #if SDL_VIDEO_DRIVER_COCOA
    24 
    25 #include "SDL_cocoavideo.h"
    26 #include "../../events/SDL_clipboardevents_c.h"
    27 
    28 static NSString *
    29 GetTextFormat(_THIS)
    30 {
    31 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
    32     SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
    33 
    34     if (data->osversion >= 0x1060) {
    35         return NSPasteboardTypeString;
    36     } else {
    37         return NSStringPboardType;
    38     }
    39 #else
    40     return NSStringPboardType;
    41 #endif
    42 }
    43 
    44 int
    45 Cocoa_SetClipboardText(_THIS, const char *text)
    46 {
    47     SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
    48 
    49     NSPasteboard *pasteboard;
    50     NSString *format = GetTextFormat(_this);
    51 
    52     @autoreleasepool {
    53         pasteboard = [NSPasteboard generalPasteboard];
    54         data->clipboard_count = [pasteboard declareTypes:[NSArray arrayWithObject:format] owner:nil];
    55         [pasteboard setString:[NSString stringWithUTF8String:text] forType:format];
    56     }
    57     
    58     return 0;
    59 }
    60 
    61 char *
    62 Cocoa_GetClipboardText(_THIS)
    63 {
    64     NSPasteboard *pasteboard;
    65     NSString *format = GetTextFormat(_this);
    66     NSString *available;
    67     char *text;
    68 
    69     @autoreleasepool {
    70         pasteboard = [NSPasteboard generalPasteboard];
    71         available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:format]];
    72         if ([available isEqualToString:format]) {
    73             NSString* string;
    74             const char *utf8;
    75 
    76             string = [pasteboard stringForType:format];
    77             if (string == nil) {
    78                 utf8 = "";
    79             } else {
    80                 utf8 = [string UTF8String];
    81             }
    82             text = SDL_strdup(utf8);
    83         } else {
    84             text = SDL_strdup("");
    85         }
    86     }
    87     
    88     return text;
    89 }
    90 
    91 SDL_bool
    92 Cocoa_HasClipboardText(_THIS)
    93 {
    94     SDL_bool result = SDL_FALSE;
    95     char *text = Cocoa_GetClipboardText(_this);
    96     if (text) {
    97 	result = (SDL_strlen(text)>0) ? SDL_TRUE : SDL_FALSE;
    98 	SDL_free(text);
    99     }
   100     return result;
   101 }
   102 
   103 void
   104 Cocoa_CheckClipboardUpdate(struct SDL_VideoData * data)
   105 {
   106     NSPasteboard *pasteboard;
   107     NSInteger count;
   108 
   109     @autoreleasepool {
   110         pasteboard = [NSPasteboard generalPasteboard];
   111         count = [pasteboard changeCount];
   112         if (count != data->clipboard_count) {
   113             if (data->clipboard_count) {
   114                 SDL_SendClipboardUpdate();
   115             }
   116             data->clipboard_count = count;
   117         }
   118     }
   119 }
   120 
   121 #endif /* SDL_VIDEO_DRIVER_COCOA */
   122 
   123 /* vi: set ts=4 sw=4 expandtab: */