1

/* $Id$ */

     2

     3

/** @file textbuf_gui.h Stuff related to the text buffer GUI. */

     4

     5

#ifndef TEXTBUF_GUI_H

     6

#define TEXTBUF_GUI_H

     7

     8

#include "window_type.h"

     9

#include "string_type.h"

    10

#include "strings_type.h"

    11

    12

struct Textbuf {

    13

	char *buf;                  ///< buffer in which text is saved

    14

	uint16 maxlength, maxwidth; ///< the maximum size of the buffer. Maxwidth specifies screensize in pixels, maxlength is in bytes

    15

	uint16 length, width;       ///< the current size of the string. Width specifies screensize in pixels, length is in bytes

    16

	bool caret;                 ///< is the caret ("_") visible or not

    17

	uint16 caretpos;            ///< the current position of the caret in the buffer, in bytes

    18

	uint16 caretxoffs;          ///< the current position of the caret in pixels

    19

};

    20

    21

struct querystr_d {

    22

	StringID caption;

    23

	Textbuf text;

    24

	const char *orig;

    25

	CharSetFilter afilter;

    26

	bool handled;

    27

};

    28

assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(querystr_d));

    29

    30

extern char _edit_str_buf[64];

    31

extern char _orig_str_buf[lengthof(_edit_str_buf)];

    32

    33

void DrawEditBox(Window *w, querystr_d *string, int wid);

    34

void HandleEditBox(Window *w, querystr_d *string, int wid);

    35

int HandleEditBoxKey(Window *w, querystr_d *string, int wid, WindowEvent *we);

    36

bool HandleCaret(Textbuf *tb);

    37

    38

void DeleteTextBufferAll(Textbuf *tb);

    39

bool DeleteTextBufferChar(Textbuf *tb, int delmode);

    40

bool InsertTextBufferChar(Textbuf *tb, uint32 key);

    41

bool InsertTextBufferClipboard(Textbuf *tb);

    42

bool MoveTextBufferPos(Textbuf *tb, int navmode);

    43

void InitializeTextBuffer(Textbuf *tb, const char *buf, uint16 maxlength, uint16 maxwidth);

    44

void UpdateTextBufferSize(Textbuf *tb);

    45

    46

void ShowQueryString(StringID str, StringID caption, uint maxlen, uint maxwidth, Window *parent, CharSetFilter afilter);

    47

void ShowQuery(StringID caption, StringID message, Window *w, void (*callback)(Window*, bool));

    48

    49

/** The number of 'characters' on the on-screen keyboard. */

    50

static const uint OSK_KEYBOARD_ENTRIES = 50;

    51

    52

/**

    53

 * The number of characters has to be OSK_KEYBOARD_ENTRIES. However, these

    54

 * have to be UTF-8 encoded, which means up to 4 bytes per character.

    55

 * Furthermore the string needs to be '\0'-terminated.

    56

 */

    57

extern char _keyboard_opt[2][OSK_KEYBOARD_ENTRIES * 4 + 1];

    58

    59

void ShowOnScreenKeyboard(Window *parent, querystr_d *q, int button, int cancel, int ok);

    60

    61

#endif /* TEXTBUF_GUI_H */