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comparison src/video/windows/SDL_windowsclipboard.c @ 5062:e8916fe9cfc8

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Fixed bug #925 Changed "win32" to "windows"
author Sam Lantinga <slouken@libsdl.org>
date Thu, 20 Jan 2011 18:04:05 -0800
parents src/video/win32/SDL_win32clipboard.c@e1664f94f026
children f908e06b3c96
comparison
equal deleted inserted replaced
5061:9e9940eae455 5062:e8916fe9cfc8
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2010 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23
24 #include "SDL_windowsvideo.h"
25 #include "SDL_windowswindow.h"
26 #include "../../events/SDL_clipboardevents_c.h"
27
28
29 #ifdef UNICODE
30 #define TEXT_FORMAT CF_UNICODETEXT
31 #else
32 #define TEXT_FORMAT CF_TEXT
33 #endif
34
35
36 /* Get any application owned window handle for clipboard association */
37 static HWND
38 GetWindowHandle(_THIS)
39 {
40 SDL_VideoDisplay *display;
41 SDL_Window *window;
42
43 display = _this->displays;
44 if (display) {
45 window = display->windows;
46 if (window) {
47 return ((SDL_WindowData *) window->driverdata)->hwnd;
48 }
49 }
50 return NULL;
51 }
52
53 int
54 WIN_SetClipboardText(_THIS, const char *text)
55 {
56 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
57 int result = 0;
58
59 if (OpenClipboard(GetWindowHandle(_this))) {
60 HANDLE hMem;
61 LPTSTR tstr;
62 SIZE_T i, size;
63
64 /* Convert the text from UTF-8 to Windows Unicode */
65 tstr = WIN_UTF8ToString(text);
66 if (!tstr) {
67 return -1;
68 }
69
70 /* Find out the size of the data */
71 for (size = 0, i = 0; tstr[i]; ++i, ++size) {
72 if (tstr[i] == '\n' && (i == 0 || tstr[i-1] != '\r')) {
73 /* We're going to insert a carriage return */
74 ++size;
75 }
76 }
77 size = (size+1)*sizeof(*tstr);
78
79 /* Save the data to the clipboard */
80 hMem = GlobalAlloc(GMEM_MOVEABLE, size);
81 if (hMem) {
82 LPTSTR dst = (LPTSTR)GlobalLock(hMem);
83 /* Copy the text over, adding carriage returns as necessary */
84 for (i = 0; tstr[i]; ++i) {
85 if (tstr[i] == '\n' && (i == 0 || tstr[i-1] != '\r')) {
86 *dst++ = '\r';
87 }
88 *dst++ = tstr[i];
89 }
90 *dst = 0;
91 GlobalUnlock(hMem);
92
93 EmptyClipboard();
94 if (!SetClipboardData(TEXT_FORMAT, hMem)) {
95 WIN_SetError("Couldn't set clipboard data");
96 result = -1;
97 }
98 #ifdef _WIN32_WCE
99 data->clipboard_count = 0;
100 #else
101 data->clipboard_count = GetClipboardSequenceNumber();
102 #endif
103 }
104 SDL_free(tstr);
105
106 CloseClipboard();
107 } else {
108 WIN_SetError("Couldn't open clipboard");
109 result = -1;
110 }
111 return result;
112 }
113
114 char *
115 WIN_GetClipboardText(_THIS)
116 {
117 char *text;
118
119 text = NULL;
120 if (IsClipboardFormatAvailable(TEXT_FORMAT) &&
121 OpenClipboard(GetWindowHandle(_this))) {
122 HANDLE hMem;
123 LPTSTR tstr;
124
125 hMem = GetClipboardData(TEXT_FORMAT);
126 if (hMem) {
127 tstr = (LPTSTR)GlobalLock(hMem);
128 text = WIN_StringToUTF8(tstr);
129 GlobalUnlock(hMem);
130 } else {
131 WIN_SetError("Couldn't get clipboard data");
132 }
133 CloseClipboard();
134 }
135 if (!text) {
136 text = SDL_strdup("");
137 }
138 return text;
139 }
140
141 SDL_bool
142 WIN_HasClipboardText(_THIS)
143 {
144 if (IsClipboardFormatAvailable(TEXT_FORMAT)) {
145 return SDL_TRUE;
146 } else {
147 return SDL_FALSE;
148 }
149 }
150
151 void
152 WIN_CheckClipboardUpdate(struct SDL_VideoData * data)
153 {
154 DWORD count;
155
156 #ifdef _WIN32_WCE
157 count = 0;
158 #else
159 count = GetClipboardSequenceNumber();
160 #endif
161 if (count != data->clipboard_count) {
162 if (data->clipboard_count) {
163 SDL_SendClipboardUpdate();
164 }
165 data->clipboard_count = count;
166 }
167 }
168
169 /* vi: set ts=4 sw=4 expandtab: */