SDL  2.0
SDL_clipboard.c
Go to the documentation of this file.
1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 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 #include "SDL_clipboard.h"
24 #include "SDL_sysvideo.h"
25 
26 
27 int
29 {
31 
32  if (!_this) {
33  return SDL_SetError("Video subsystem must be initialized to set clipboard text");
34  }
35 
36  if (!text) {
37  text = "";
38  }
39  if (_this->SetClipboardText) {
40  return _this->SetClipboardText(_this, text);
41  } else {
42  SDL_free(_this->clipboard_text);
43  _this->clipboard_text = SDL_strdup(text);
44  return 0;
45  }
46 }
47 
48 char *
50 {
52 
53  if (!_this) {
54  SDL_SetError("Video subsystem must be initialized to get clipboard text");
55  return SDL_strdup("");
56  }
57 
58  if (_this->GetClipboardText) {
59  return _this->GetClipboardText(_this);
60  } else {
61  const char *text = _this->clipboard_text;
62  if (!text) {
63  text = "";
64  }
65  return SDL_strdup(text);
66  }
67 }
68 
71 {
73 
74  if (!_this) {
75  SDL_SetError("Video subsystem must be initialized to check clipboard text");
76  return SDL_FALSE;
77  }
78 
79  if (_this->HasClipboardText) {
80  return _this->HasClipboardText(_this);
81  } else {
82  if (_this->clipboard_text && _this->clipboard_text[0] != '\0') {
83  return SDL_TRUE;
84  } else {
85  return SDL_FALSE;
86  }
87  }
88 }
89 
90 /* vi: set ts=4 sw=4 expandtab: */
int SDL_SetClipboardText(const char *text)
Put UTF-8 text into the clipboard.
Definition: SDL_clipboard.c:28
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
#define SDL_free
SDL_bool
Definition: SDL_stdinc.h:139
#define SDL_SetError
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
char * SDL_GetClipboardText(void)
Get UTF-8 text from the clipboard, which must be freed with SDL_free()
Definition: SDL_clipboard.c:49
#define SDL_strdup
SDL_bool SDL_HasClipboardText(void)
Returns a flag indicating whether the clipboard exists and contains a text string that is non-empty...
Definition: SDL_clipboard.c:70
SDL_bool(* HasClipboardText)(_THIS)
Definition: SDL_sysvideo.h:299
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:586
char *(* GetClipboardText)(_THIS)
Definition: SDL_sysvideo.h:298
int(* SetClipboardText)(_THIS, const char *text)
Definition: SDL_sysvideo.h:297
char * clipboard_text
Definition: SDL_sysvideo.h:317