Initial revision

git-svn-id: http://svn.ghostscript.com/ghostpcl/trunk/ghostpcl@246 06663e23-700e-0410-b217-a244a6096597

1 files changed, 144 insertions, 0 deletions

diff --git a/gs/src/dwtext.h b/gs/src/dwtext.h
new file mode 100644
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+++ b/gs/src/dwtext.h
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+/* Copyright (C) 1996, Russell Lang.  All rights reserved.
+  
+  This file is part of Aladdin Ghostscript.
+  
+  Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
+  or distributor accepts any responsibility for the consequences of using it,
+  or for whether it serves any particular purpose or works at all, unless he
+  or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
+  License (the "License") for full details.
+  
+  Every copy of Aladdin Ghostscript must include a copy of the License,
+  normally in a plain ASCII text file named PUBLIC.  The License grants you
+  the right to copy, modify and redistribute Aladdin Ghostscript, but only
+  under certain conditions described in the License.  Among other things, the
+  License requires that the copyright notice and this notice be preserved on
+  all copies.
+*/
+
+
+// dwtext.h 
+// Text Window class
+
+
+#ifdef _WINDOWS
+#define _Windows
+#endif
+
+ 
+/* ================================== */
+/* text window class */
+
+
+class TextWindow {
+	HINSTANCE hInstance;		/* required */
+	LPSTR	Title;			/* required */
+	HICON	hIcon;			/* optional */
+
+	BYTE FAR *ScreenBuffer;
+	POINT	ScreenSize;		/* optional */
+	char	*DragPre;		/* optional */
+	char	*DragPost;		/* optional */
+	int	nCmdShow;		/* optional */
+	HWND	hwnd;
+
+	BYTE FAR *KeyBuf;
+	BYTE FAR *KeyBufIn;
+	BYTE FAR *KeyBufOut;
+	unsigned int KeyBufSize;
+	BOOL	quitnow;
+
+	BOOL	bFocus;
+	BOOL	bGetCh;
+	char	*fontname;		// font name
+	int	fontsize;		// font size in pts
+	HFONT	hfont;
+	int	CharAscent;
+
+	int	CaretHeight;
+	int	CursorFlag;
+	POINT	CursorPos;
+	POINT	ClientSize;
+	POINT	CharSize;
+	POINT	ScrollPos;
+	POINT	ScrollMax;
+
+	void error(char *message);
+	void new_line(void);
+	void update_text(int count);
+	void drag_drop(HDROP hdrop);
+	void copy_to_clipboard(void);
+
+public:
+	// constructor
+	TextWindow(void);
+
+	// destructor
+	~TextWindow(void);
+
+	// register window class
+	int register_class(HINSTANCE hinst, HICON hicon);
+
+	// test if a key has been pressed
+	// return TRUE if key hit
+	// return FALSE if no key
+	int kbhit(void);	
+
+	// Get a character from the keyboard, waiting if necessary
+	int getch(void);
+
+	// Get a line from the keyboard
+	// store line in buf, with no more than len characters
+	// including null character
+	// return number of characters read
+	int gets(LPSTR buf, int len);
+
+	// Get a line from the keyboard
+	// store line in buf, with no more than len characters
+	// line is not null terminated
+	// return number of characters read
+	int read_line(LPSTR buf, int len);
+
+	// Put a character to the window
+	int putch(int ch);
+
+	// Write cnt character from buf to the window
+	void write_buf(LPSTR buf, int cnt);
+	
+	// Put a string to the window
+	void puts(LPSTR str);
+
+	// Scroll window to make cursor visible
+	void to_cursor(void);
+
+	// Create and show window with given name and min/max/normal state
+	// return 0 on success, non-zero on error
+	int create(LPSTR title, int cmdShow);
+
+	// Destroy window
+	int destroy(void);
+	
+	// Set window font and size
+	// a must choose monospaced 
+	void font(const char *fontname, int fontsize);
+
+	// Set screen size in characters
+	void size(int width, int height);
+
+	// Set pre drag and post drag strings
+	// If a file is dropped on the window, the following will
+	// be poked into the keyboard buffer: 
+	//   the pre_drag string
+	//   the file name
+	//   the post_drag string
+	void drag(const char *pre_drag, const char *post_drag);
+
+	// member window procedure
+	LRESULT WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
+
+	// provide access to window handle
+	HWND get_handle(void) { return hwnd; };
+};
+
+/* ================================== */
+