xref: /third_party/lzma/CPP/Windows/Clipboard.cpp (revision 370b324c) 
1// Windows/Clipboard.cpp
2
3#include "StdAfx.h"
4
5#ifdef UNDER_CE
6#include <winuserm.h>
7#endif
8
9#include "../Common/StringConvert.h"
10
11#include "Clipboard.h"
12#include "Defs.h"
13#include "MemoryGlobal.h"
14#include "Shell.h"
15
16namespace NWindows {
17
18bool CClipboard::Open(HWND wndNewOwner) throw()
19{
20  m_Open = BOOLToBool(::OpenClipboard(wndNewOwner));
21  return m_Open;
22}
23
24bool CClipboard::Close() throw()
25{
26  if (!m_Open)
27    return true;
28  m_Open = !BOOLToBool(CloseClipboard());
29  return !m_Open;
30}
31
32bool ClipboardIsFormatAvailableHDROP()
33{
34  return BOOLToBool(IsClipboardFormatAvailable(CF_HDROP));
35}
36
37/*
38bool ClipboardGetTextString(AString &s)
39{
40  s.Empty();
41  if (!IsClipboardFormatAvailable(CF_TEXT))
42    return false;
43  CClipboard clipboard;
44
45  if (!clipboard.Open(NULL))
46    return false;
47
48  HGLOBAL h = ::GetClipboardData(CF_TEXT);
49  if (h != NULL)
50  {
51    NMemory::CGlobalLock globalLock(h);
52    const char *p = (const char *)globalLock.GetPointer();
53    if (p != NULL)
54    {
55      s = p;
56      return true;
57    }
58  }
59  return false;
60}
61*/
62
63/*
64bool ClipboardGetFileNames(UStringVector &names)
65{
66  names.Clear();
67  if (!IsClipboardFormatAvailable(CF_HDROP))
68    return false;
69  CClipboard clipboard;
70
71  if (!clipboard.Open(NULL))
72    return false;
73
74  HGLOBAL h = ::GetClipboardData(CF_HDROP);
75  if (h != NULL)
76  {
77    NMemory::CGlobalLock globalLock(h);
78    void *p = (void *)globalLock.GetPointer();
79    if (p != NULL)
80    {
81      NShell::CDrop drop(false);
82      drop.Attach((HDROP)p);
83      drop.QueryFileNames(names);
84      return true;
85    }
86  }
87  return false;
88}
89*/
90
91static bool ClipboardSetData(UINT uFormat, const void *data, size_t size) throw()
92{
93  NMemory::CGlobal global;
94  if (!global.Alloc(GMEM_DDESHARE | GMEM_MOVEABLE, size))
95    return false;
96  {
97    NMemory::CGlobalLock globalLock(global);
98    LPVOID p = globalLock.GetPointer();
99    if (!p)
100      return false;
101    memcpy(p, data, size);
102  }
103  if (::SetClipboardData(uFormat, global) == NULL)
104    return false;
105  global.Detach();
106  return true;
107}
108
109bool ClipboardSetText(HWND owner, const UString &s)
110{
111  CClipboard clipboard;
112  if (!clipboard.Open(owner))
113    return false;
114  if (!::EmptyClipboard())
115    return false;
116
117  bool res;
118  res = ClipboardSetData(CF_UNICODETEXT, (const wchar_t *)s, (s.Len() + 1) * sizeof(wchar_t));
119  #ifndef _UNICODE
120  AString a (UnicodeStringToMultiByte(s, CP_ACP));
121  if (ClipboardSetData(CF_TEXT, (const char *)a, (a.Len() + 1) * sizeof(char)))
122    res = true;
123  a = UnicodeStringToMultiByte(s, CP_OEMCP);
124  if (ClipboardSetData(CF_OEMTEXT, (const char *)a, (a.Len() + 1) * sizeof(char)))
125    res = true;
126  #endif
127  return res;
128}
129
130}
131