1 /*
2 * This source file is part of libRocket, the HTML/CSS Interface Middleware
3 *
4 * For the latest information, see http://www.librocket.com
5 *
6 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 *
26 */
27
28 #include "../../Include/Rocket/Controls/Clipboard.h"
29 #include "../../Include/Rocket/Core/Types.h"
30 #include "../../Include/Rocket/Core/WString.h"
31 #if defined ROCKET_PLATFORM_WIN32
32 #include <windows.h>
33 #endif
34
35 namespace Rocket {
36 namespace Controls {
37
38 #if defined ROCKET_PLATFORM_WIN32
39 static HWND application_hwnd = NULL;
40
FindApplicationWindow(HWND hwnd,LPARAM process_id)41 static BOOL CALLBACK FindApplicationWindow(HWND hwnd, LPARAM process_id)
42 {
43 DWORD hwnd_pid;
44 GetWindowThreadProcessId(hwnd, &hwnd_pid);
45 if (hwnd_pid == (DWORD) process_id)
46 {
47 application_hwnd = hwnd;
48 return FALSE;
49 }
50
51 return TRUE;
52 }
53
GetHWND()54 static HWND GetHWND()
55 {
56 if (application_hwnd != NULL)
57 return application_hwnd;
58
59 EnumWindows(FindApplicationWindow, GetCurrentProcessId());
60 return application_hwnd;
61 }
62 #endif
63
64 static Core::WString content;
65
66 // Get the current contents of the clipboard.
Get()67 Core::WString Clipboard::Get()
68 {
69 #if defined ROCKET_PLATFORM_WIN32
70 if (GetHWND())
71 {
72 Core::WString clipboard_content;
73
74 if (!OpenClipboard(GetHWND()))
75 return clipboard_content;
76
77 HANDLE clipboard_data = GetClipboardData(CF_UNICODETEXT);
78 if (clipboard_data == NULL)
79 {
80 CloseClipboard();
81 return clipboard_content;
82 }
83
84 const Rocket::Core::word* clipboard_text = (const Rocket::Core::word*) GlobalLock(clipboard_data);
85 if (clipboard_text)
86 clipboard_content.Assign(clipboard_text);
87 GlobalUnlock(clipboard_data);
88
89 CloseClipboard();
90 return clipboard_content;
91 }
92 else
93 return content;
94 #else
95 return content;
96 #endif
97 }
98
99 // Set the contents of the clipboard.
Set(const Core::WString & _content)100 void Clipboard::Set(const Core::WString& _content)
101 {
102 #if defined ROCKET_PLATFORM_WIN32
103 if (GetHWND())
104 {
105 if (!OpenClipboard(GetHWND()))
106 return;
107
108 EmptyClipboard();
109
110 Rocket::Core::String win32_content;
111 _content.ToUTF8(win32_content);
112
113 HGLOBAL clipboard_data = GlobalAlloc(GMEM_FIXED, win32_content.Length() + 1);
114 // Replaced strcpy_s with a simple strcpy, because we know for sure it's big enough.
115 strcpy((char*) clipboard_data, win32_content.CString());
116
117 if (SetClipboardData(CF_TEXT, clipboard_data) == NULL)
118 {
119 CloseClipboard();
120 GlobalFree(clipboard_data);
121 }
122 else
123 CloseClipboard();
124 }
125 else
126 content = _content;
127 #else
128 content = _content;
129 #endif
130 }
131
132 #if defined ROCKET_PLATFORM_WIN32
133 // Set the window handle of the application.
SetHWND(void * hwnd)134 void Clipboard::SetHWND(void* hwnd)
135 {
136 application_hwnd = (HWND) hwnd;
137 }
138 #endif
139
140 }
141 }
142