SDL  2.0
SDL_clipboard.c
Go to the documentation of this file.
1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2020 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 {
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: */
SDL_VideoDevice::clipboard_text
char * clipboard_text
Definition: SDL_sysvideo.h:329
SDL_SetClipboardText
int SDL_SetClipboardText(const char *text)
Put UTF-8 text into the clipboard.
Definition: SDL_clipboard.c:28
SDL_VideoDevice::SetClipboardText
int(* SetClipboardText)(_THIS, const char *text)
Definition: SDL_sysvideo.h:306
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
text
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
SDL_GetClipboardText
char * SDL_GetClipboardText(void)
Get UTF-8 text from the clipboard, which must be freed with SDL_free()
Definition: SDL_clipboard.c:49
SDL_VideoDevice
Definition: SDL_sysvideo.h:149
SDL_VideoDevice::GetClipboardText
char *(* GetClipboardText)(_THIS)
Definition: SDL_sysvideo.h:307
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
SDL_strdup
#define SDL_strdup
Definition: SDL_dynapi_overrides.h:397
SDL_VideoDevice::HasClipboardText
SDL_bool(* HasClipboardText)(_THIS)
Definition: SDL_sysvideo.h:308
SDL_GetVideoDevice
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:586
SDL_sysvideo.h
SDL_clipboard.h
SDL_HasClipboardText
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
SDL_bool
Definition: SDL_stdinc.h:161