This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_win32clipboard.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_win32video.h"
#include "SDL_win32window.h"
26
#include "../../events/SDL_clipboardevents_c.h"
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
#ifdef UNICODE
#define TEXT_FORMAT CF_UNICODETEXT
#else
#define TEXT_FORMAT CF_TEXT
#endif
/* Get any application owned window handle for clipboard association */
static HWND
GetWindowHandle(_THIS)
{
SDL_VideoDisplay *display;
SDL_Window *window;
display = _this->displays;
if (display) {
window = display->windows;
if (window) {
return ((SDL_WindowData *) window->driverdata)->hwnd;
}
}
return NULL;
}
int
WIN_SetClipboardText(_THIS, const char *text)
{
56
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
int result = 0;
if (OpenClipboard(GetWindowHandle(_this))) {
HANDLE hMem;
LPTSTR tstr;
SIZE_T i, size;
/* Convert the text from UTF-8 to Windows Unicode */
tstr = WIN_UTF8ToString(text);
if (!tstr) {
return -1;
}
/* Find out the size of the data */
for (size = 0, i = 0; tstr[i]; ++i, ++size) {
if (tstr[i] == '\n' && (i == 0 || tstr[i-1] != '\r')) {
/* We're going to insert a carriage return */
++size;
}
}
size = (size+1)*sizeof(*tstr);
/* Save the data to the clipboard */
hMem = GlobalAlloc(GMEM_MOVEABLE, size);
if (hMem) {
LPTSTR dst = (LPTSTR)GlobalLock(hMem);
/* Copy the text over, adding carriage returns as necessary */
for (i = 0; tstr[i]; ++i) {
if (tstr[i] == '\n' && (i == 0 || tstr[i-1] != '\r')) {
*dst++ = '\r';
}
*dst++ = tstr[i];
}
*dst = 0;
GlobalUnlock(hMem);
EmptyClipboard();
if (!SetClipboardData(TEXT_FORMAT, hMem)) {
WIN_SetError("Couldn't set clipboard data");
result = -1;
}
98
data->clipboard_count = GetClipboardSequenceNumber();
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
}
SDL_free(tstr);
CloseClipboard();
} else {
WIN_SetError("Couldn't open clipboard");
result = -1;
}
return result;
}
char *
WIN_GetClipboardText(_THIS)
{
char *text;
text = NULL;
if (IsClipboardFormatAvailable(TEXT_FORMAT) &&
OpenClipboard(GetWindowHandle(_this))) {
HANDLE hMem;
LPTSTR tstr;
hMem = GetClipboardData(TEXT_FORMAT);
if (hMem) {
tstr = (LPTSTR)GlobalLock(hMem);
text = WIN_StringToUTF8(tstr);
GlobalUnlock(hMem);
} else {
WIN_SetError("Couldn't get clipboard data");
}
CloseClipboard();
}
if (!text) {
text = SDL_strdup("");
}
return text;
}
SDL_bool
WIN_HasClipboardText(_THIS)
{
if (IsClipboardFormatAvailable(TEXT_FORMAT)) {
return SDL_TRUE;
} else {
return SDL_FALSE;
}
}
147
148
149
150
151
152
153
154
155
156
157
158
159
160
void
WIN_CheckClipboardUpdate(struct SDL_VideoData * data)
{
DWORD count;
count = GetClipboardSequenceNumber();
if (count != data->clipboard_count) {
if (data->clipboard_count) {
SDL_SendClipboardUpdate();
}
data->clipboard_count = count;
}
}
161
/* vi: set ts=4 sw=4 expandtab: */