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/*
This file is part of Warzone 2100.
Copyright (C) 2008 Freddie Witherden
Copyright (C) 2008-2009 Warzone Resurrection Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "utf.h"
// Defines most macros and types from <stdbool.h> and <stdint.h>
#include "types.h"
char *widgetGetClipboardText()
{
uint16_t *clipboardText;
char *ourText = NULL;
// If there is any text on the clipboard, open it
if (IsClipboardFormatAvailable(CF_UNICODETEXT) && OpenClipboard(NULL))
{
// Get any text on the clipboard
HANDLE hClipboardData = GetClipboardData(CF_UNICODETEXT);
// If the handle is valid, fetch the text
if (hClipboardData)
{
// Get the text
clipboardText = GlobalLock(hClipboardData);
// So long as we got something
if (clipboardText)
{
int i, j;
// Convert it to UTF-8 (from UTF-16)
ourText = UTF16toUTF8(clipboardText, NULL);
// Unlock the text
GlobalUnlock(hClipboardData);
// Strip any '\r' from the text
for (i = j = 0; ourText[i]; i++)
{
if (ourText[i] != '\r')
{
ourText[j++] = ourText[i];
}
}
// NUL terminate
ourText[j] = '\0';
}
}
// Close the clipboard
CloseClipboard();
}
return ourText;
}
bool widgetSetClipboardText(const char *text)
{
bool ret = false;
// Copy of text with \n => \r\n
char *newText;
// UTF-16 version of newText
uint16_t *utf16NewText;
// Number of bytes utf16NewText is in size
size_t nbytes;
int count, i, j;
// Get the number of '\n' characters in the text
for (i = count = 0; text[i]; i++)
{
if (text[i] == '\n')
{
count++;
}
}
// Allocate enough space for the \r\n string
newText = malloc(strlen(text) + count + 1);
// Copy the string, converting \n to \r\n
for (i = j = 0; text[i]; i++, j++)
{
// If the character is a newline prepend a \r
if (text[i] == '\n')
{
newText[j++] = '\r';
}
// Copy the character (\n or otherwise)
newText[j] = text[i];
}
// NUL terminate
newText[j] = '\0';
// Convert to UTF-16
utf16NewText = UTF8toUTF16(newText, &nbytes);
// Open the clipboard
if (OpenClipboard(NULL))
{
HGLOBAL hGlobal;
uint16_t *clipboardText;
// Empty it (which also transfers ownership of it to ourself)
EmptyClipboard();
// Allocate global space for the text
hGlobal = GlobalAlloc(GMEM_MOVEABLE, nbytes);
// Lock the newly allocated memory
clipboardText = GlobalLock(hGlobal);
// Copy the text
memcpy(clipboardText, utf16NewText, nbytes);
// Unlock the memory (must come before CloseClipboard())
GlobalUnlock(hGlobal);
// Place the handle on the clipboard
if (SetClipboardData(CF_UNICODETEXT, hGlobal))
{
// We were successful
ret = true;
}
// Close the clipboard
CloseClipboard();
}
// Release the malloc-ed strings
free(newText);
free(utf16NewText);
return ret;
}
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