From 01309c8bd0a9ac4476952ec5063499ec980a7b12 Mon Sep 17 00:00:00 2001
From: erihel <erihel@gmail.com>
Date: Thu, 11 Apr 2013 13:37:15 +0200
Subject: * Added clipboard support (issue #60) * Fixed keyboard shortcuts
 while code editing in game

---
 lib/clipboard/src/clipboardWin32.c | 160 +++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 lib/clipboard/src/clipboardWin32.c

(limited to 'lib/clipboard/src/clipboardWin32.c')

diff --git a/lib/clipboard/src/clipboardWin32.c b/lib/clipboard/src/clipboardWin32.c
new file mode 100644
index 0000000..be48906
--- /dev/null
+++ b/lib/clipboard/src/clipboardWin32.c
@@ -0,0 +1,160 @@
+/*
+	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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