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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <evil_private.h> /* utf-8 and utf-16 conversion */
#include <Eina.h>
#include "Ecore_Win32.h"
#include "ecore_win32_private.h"
/*============================================================================*
* Local *
*============================================================================*/
/**
* @cond LOCAL
*/
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
/*============================================================================*
* API *
*============================================================================*/
EAPI Eina_Bool
ecore_win32_clipboard_set(const Ecore_Win32_Window *window,
const void *data,
size_t size,
const char *mime_type)
{
HGLOBAL global;
char *d;
Eina_Bool supported_mime_text;
Eina_Bool res = EINA_FALSE;
/*
* See: https://msdn.microsoft.com/en-us/library/windows/desktop/ms649016%28v=vs.85%29.aspx#_win32_Copying_Information_to_the_Clipboard
* 1. Open the clipboard
* 2. Empty the clipboard
* 3. Set the data
* 4. Close the clipboard
*/
INF("setting data to the clipboard");
supported_mime_text = eina_str_has_prefix(mime_type, "text/");
if (!supported_mime_text)
{
ERR("Mimetype %s is not handled yet", mime_type);
return EINA_FALSE;
}
if (!window || !data || (size <= 0) || !OpenClipboard(window->window))
return EINA_FALSE;
if (!EmptyClipboard())
goto close_clipboard;
if (supported_mime_text)
{
wchar_t *text16;
size_t size16;
/* CF_TEXT (UTF-8) */
global = GlobalAlloc(GMEM_MOVEABLE, size);
if (global)
{
d = (char *)GlobalLock(global);
if (d)
{
memcpy(d, data, size);
SetClipboardData(CF_TEXT, global);
res = EINA_TRUE;
GlobalUnlock(global);
}
}
/* CF_UNICODETEXT (UTF-16) */
text16 = evil_utf8_to_utf16(data);
if (text16)
{
size16 = (wcslen(text16) + 1) * sizeof(wchar_t);
global = GlobalAlloc(GMEM_MOVEABLE, size16);
if (global)
{
d = (char *)GlobalLock(global);
if (d)
{
memcpy(d, text16, size16);
SetClipboardData(CF_UNICODETEXT, global);
res = EINA_TRUE;
GlobalUnlock(global);
}
}
free(text16);
}
}
close_clipboard:
CloseClipboard();
return res;
}
EAPI void *
ecore_win32_clipboard_get(const Ecore_Win32_Window *window,
size_t *size,
const char *mime_type)
{
HGLOBAL global;
void *data;
void *d;
/*
* See https://msdn.microsoft.com/en-us/library/windows/desktop/ms649016%28v=vs.85%29.aspx#_win32_Pasting_Information_from_the_Clipboard
* 1. Open Clipboard
* 2. Determine format
* 3. Retrieve data
* 4. Manage data
* 5. Close clipboard
*/
INF("getting data from the clipboard");
if (!eina_str_has_prefix(mime_type, "text/"))
{
ERR("Mimetype %s is not handled yet", mime_type);
return NULL;
}
if (!window || !size || !OpenClipboard(window->window))
return NULL;
*size = 0;
#if 0
{
UINT fmt = 0;
while (1)
{
char name[4096];
int res;
fmt = EnumClipboardFormats(fmt);
res = GetClipboardFormatName(fmt, name, sizeof(name));
fprintf(stderr, " $ Format2 : %x %d\n", fmt, res);
if (res)
fprintf(stderr, " $ Format2 : %s\n", name);
else
fprintf(stderr, " $ Format2 : error %ld\n", GetLastError());
fflush(stderr);
if (!fmt)
break;
}
}
#endif
if (eina_str_has_prefix(mime_type, "text/"))
{
/* first check if UTF-16 text is available */
global = GetClipboardData(CF_UNICODETEXT);
if (global)
{
d = GlobalLock(global);
if (d)
{
data = evil_utf16_to_utf8(d);
if (data)
{
*size = strlen(data);
GlobalUnlock(global);
CloseClipboard();
return data;
}
GlobalUnlock(global);
}
/* otherwise, we try CF_TEXT (UTF-8/ANSI) */
}
/* second, check if UTF-8/ANSI text is available */
global = GetClipboardData(CF_TEXT);
if (global)
{
d = GlobalLock(global);
if (d)
{
*size = strlen(d) + 1;
data = malloc(*size);
if (data)
{
memcpy(data, d, *size);
GlobalUnlock(global);
CloseClipboard();
return data;
}
else
*size = 0;
GlobalUnlock(global);
}
}
}
CloseClipboard();
return NULL;
}
EAPI void
ecore_win32_clipboard_clear(const Ecore_Win32_Window *window)
{
INF("clearing the clipboard");
if (!window || !OpenClipboard(window->window))
return;
EmptyClipboard();
CloseClipboard();
}
/**
* @}
*/
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