src/video/uikit/SDL_uikitclipboard.m
author Sam Lantinga
Fri, 27 Jan 2017 06:05:50 -0800
changeset 10856 486aa38c6a88
parent 10737 3406a0f8b041
child 11811 5d94cb6b24d3
permissions -rw-r--r--
Added Thrustmaster Wheel FFB entry to the list of wheels
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2017 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_internal.h"
    22 
    23 #if SDL_VIDEO_DRIVER_UIKIT
    24 
    25 #include "SDL_uikitvideo.h"
    26 #include "../../events/SDL_clipboardevents_c.h"
    27 
    28 #import <UIKit/UIPasteboard.h>
    29 
    30 int
    31 UIKit_SetClipboardText(_THIS, const char *text)
    32 {
    33 #if TARGET_OS_TV
    34     return SDL_SetError("The clipboard is not available on tvOS");
    35 #else
    36     @autoreleasepool {
    37         [UIPasteboard generalPasteboard].string = @(text);
    38         return 0;
    39     }
    40 #endif
    41 }
    42 
    43 char *
    44 UIKit_GetClipboardText(_THIS)
    45 {
    46 #if TARGET_OS_TV
    47     return SDL_strdup(""); // Unsupported.
    48 #else
    49     @autoreleasepool {
    50         UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
    51         NSString *string = pasteboard.string;
    52 
    53         if (string != nil) {
    54             return SDL_strdup(string.UTF8String);
    55         } else {
    56             return SDL_strdup("");
    57         }
    58     }
    59 #endif
    60 }
    61 
    62 SDL_bool
    63 UIKit_HasClipboardText(_THIS)
    64 {
    65     @autoreleasepool {
    66 #if !TARGET_OS_TV
    67         if ([UIPasteboard generalPasteboard].string != nil) {
    68             return SDL_TRUE;
    69         }
    70 #endif
    71         return SDL_FALSE;
    72     }
    73 }
    74 
    75 void
    76 UIKit_InitClipboard(_THIS)
    77 {
    78 #if !TARGET_OS_TV
    79     @autoreleasepool {
    80         SDL_VideoData *data = (__bridge SDL_VideoData *) _this->driverdata;
    81         NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
    82 
    83         id observer = [center addObserverForName:UIPasteboardChangedNotification
    84                                          object:nil
    85                                           queue:nil
    86                                      usingBlock:^(NSNotification *note) {
    87                                          SDL_SendClipboardUpdate();
    88                                      }];
    89 
    90         data.pasteboardObserver = observer;
    91     }
    92 #endif
    93 }
    94 
    95 void
    96 UIKit_QuitClipboard(_THIS)
    97 {
    98     @autoreleasepool {
    99         SDL_VideoData *data = (__bridge SDL_VideoData *) _this->driverdata;
   100 
   101         if (data.pasteboardObserver != nil) {
   102             [[NSNotificationCenter defaultCenter] removeObserver:data.pasteboardObserver];
   103         }
   104 
   105         data.pasteboardObserver = nil;
   106     }
   107 }
   108 
   109 #endif /* SDL_VIDEO_DRIVER_UIKIT */
   110 
   111 /* vi: set ts=4 sw=4 expandtab: */