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https://github.com/JGRennison/OpenTTD-patches.git
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65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file textbuf_gui.h Stuff related to the text buffer GUI. */
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#ifndef TEXTBUF_GUI_H
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#define TEXTBUF_GUI_H
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#include "window_type.h"
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#include "string_type.h"
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#include "strings_type.h"
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#include "core/enum_type.hpp"
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struct Textbuf {
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char *buf; ///< buffer in which text is saved
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uint16 maxsize, maxwidth; ///< the maximum size of the buffer. Maxwidth specifies screensize in pixels, maxsize is in bytes (including terminating '\0')
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uint16 size, width; ///< the current size of the string. Width specifies screensize in pixels, size is in bytes
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bool caret; ///< is the caret ("_") visible or not
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uint16 caretpos; ///< the current position of the caret in the buffer, in bytes
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uint16 caretxoffs; ///< the current position of the caret in pixels
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};
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bool HandleCaret(Textbuf *tb);
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void DeleteTextBufferAll(Textbuf *tb);
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bool DeleteTextBufferChar(Textbuf *tb, int delmode);
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bool InsertTextBufferChar(Textbuf *tb, uint32 key);
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bool InsertTextBufferClipboard(Textbuf *tb);
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bool MoveTextBufferPos(Textbuf *tb, int navmode);
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void InitializeTextBuffer(Textbuf *tb, char *buf, uint16 maxsize, uint16 maxwidth);
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void UpdateTextBufferSize(Textbuf *tb);
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/** Flags used in ShowQueryString() call */
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enum QueryStringFlags {
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QSF_NONE = 0,
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QSF_ACCEPT_UNCHANGED = 0x01, ///< return success even when the text didn't change
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QSF_ENABLE_DEFAULT = 0x02, ///< enable the 'Default' button ("\0" is returned)
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};
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DECLARE_ENUM_AS_BIT_SET(QueryStringFlags)
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typedef void QueryCallbackProc(Window*, bool);
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void ShowQueryString(StringID str, StringID caption, uint maxlen, uint maxwidth, Window *parent, CharSetFilter afilter, QueryStringFlags flags);
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void ShowQuery(StringID caption, StringID message, Window *w, QueryCallbackProc *callback);
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/** The number of 'characters' on the on-screen keyboard. */
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static const uint OSK_KEYBOARD_ENTRIES = 50;
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/**
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* The number of characters has to be OSK_KEYBOARD_ENTRIES. However, these
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* have to be UTF-8 encoded, which means up to 4 bytes per character.
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* Furthermore the string needs to be '\0'-terminated.
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*/
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extern char _keyboard_opt[2][OSK_KEYBOARD_ENTRIES * 4 + 1];
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#endif /* TEXTBUF_GUI_H */
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