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https://github.com/ZDoom/qzdoom.git
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bcf7bc8d34
This deprecated CharAt and CharCodeAt for being unsuitable for text processing and in the case of CharCodeAt also for being buggy. A new replacement, ByteAt has been added that reads a string byte by byte, as well as CodePointCount, which counts the amount of Unicode code points in a string and GetNextCodePoint which reads the string code point by code point. Note that while this woll work as intended with the currently supported languages as a means to read single characters, there is no guarantee that this will remain so if Unicode support gets extended to things which break the "one code point == one character" assumption.
379 lines
11 KiB
Text
379 lines
11 KiB
Text
/*
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** menuinput.cpp
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** The string input code
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**
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**---------------------------------------------------------------------------
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** Copyright 2001-2010 Randy Heit
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** Copyright 2010-2017 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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class TextEnterMenu : Menu
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{
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const INPUTGRID_WIDTH = 13;
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const INPUTGRID_HEIGHT = 5;
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const Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+-=.,!?@'\":;[]()<>^#$%&*/_ \b";
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String mEnterString;
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int mEnterSize;
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int mEnterPos;
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bool mInputGridOkay;
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int InputGridX;
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int InputGridY;
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int CursorSize;
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bool AllowColors;
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Font displayFont;
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//=============================================================================
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//
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//
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//
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//=============================================================================
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// [TP] Added allowcolors
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private void Init(Menu parent, Font dpf, String textbuffer, int maxlen, bool showgrid, bool allowcolors)
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{
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Super.init(parent);
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mEnterString = textbuffer;
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mEnterSize = maxlen;
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mInputGridOkay = (showgrid && (m_showinputgrid == 0)) || (m_showinputgrid >= 1);
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if (mEnterString.Length() > 0)
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{
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InputGridX = INPUTGRID_WIDTH - 1;
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InputGridY = INPUTGRID_HEIGHT - 1;
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}
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else
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{
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// If we are naming a new save, don't start the cursor on "end".
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InputGridX = 0;
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InputGridY = 0;
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}
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AllowColors = allowcolors; // [TP]
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displayFont = dpf;
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CursorSize = displayFont.StringWidth(displayFont.GetCursor());
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}
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// This had to be deprecated because the unit for maxlen is 8 pixels.
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deprecated("3.8") static TextEnterMenu Open(Menu parent, String textbuffer, int maxlen, int sizemode, bool showgrid = false, bool allowcolors = false)
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{
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let me = new("TextEnterMenu");
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me.Init(parent, Menu.OptionFont(), textbuffer, maxlen*8, showgrid, allowcolors);
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return me;
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}
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static TextEnterMenu OpenTextEnter(Menu parent, Font displayfnt, String textbuffer, int maxlen, bool showgrid = false, bool allowcolors = false)
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{
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let me = new("TextEnterMenu");
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me.Init(parent, displayfnt, textbuffer, maxlen, showgrid, allowcolors);
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return me;
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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String GetText()
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{
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return mEnterString;
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}
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override bool TranslateKeyboardEvents()
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{
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return mInputGridOkay;
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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override bool OnUIEvent(UIEvent ev)
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{
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// Save game and player name string input
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if (ev.Type == UIEvent.Type_Char)
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{
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mInputGridOkay = false;
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AppendChar(ev.KeyChar);
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return true;
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}
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int ch = ev.KeyChar;
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if ((ev.Type == UIEvent.Type_KeyDown || ev.Type == UIEvent.Type_KeyRepeat) && ch == 8)
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{
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if (mEnterString.Length() > 0)
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{
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mEnterString.DeleteLastCharacter();
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}
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}
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else if (ev.Type == UIEvent.Type_KeyDown)
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{
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if (ch == UIEvent.Key_ESCAPE)
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{
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Menu parent = mParentMenu;
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Close();
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parent.MenuEvent(MKEY_Abort, false);
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return true;
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}
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else if (ch == 13)
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{
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if (mEnterString.Length() > 0)
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{
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// [TP] If we allow color codes, colorize the string now.
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if (AllowColors)
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mEnterString = mEnterString.Filter();
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Menu parent = mParentMenu;
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parent.MenuEvent(MKEY_Input, false);
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Close();
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return true;
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}
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}
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}
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if (ev.Type == UIEvent.Type_KeyDown || ev.Type == UIEvent.Type_KeyRepeat)
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{
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return true;
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}
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return Super.OnUIEvent(ev);
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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override bool MouseEvent(int type, int x, int y)
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{
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int cell_width = 18 * CleanXfac_1;
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int cell_height = 16 * CleanYfac_1;
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int screen_y = screen.GetHeight() - INPUTGRID_HEIGHT * cell_height;
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int screen_x = (screen.GetWidth() - INPUTGRID_WIDTH * cell_width) / 2;
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if (x >= screen_x && x < screen_x + INPUTGRID_WIDTH * cell_width && y >= screen_y)
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{
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InputGridX = (x - screen_x) / cell_width;
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InputGridY = (y - screen_y) / cell_height;
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if (type == MOUSE_Release)
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{
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if (MenuEvent(MKEY_Enter, true))
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{
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MenuSound("menu/choose");
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if (m_use_mouse == 2) InputGridX = InputGridY = -1;
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}
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}
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return true;
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}
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else
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{
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InputGridX = InputGridY = -1;
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}
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return Super.MouseEvent(type, x, y);
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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private void AppendChar(int ch)
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{
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String newstring = String.Format("%s%c%s", mEnterString, ch, displayFont.GetCursor());
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if (mEnterSize < 0 || displayFont.StringWidth(newstring) < mEnterSize)
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{
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mEnterString.AppendCharacter(ch);
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}
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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override bool MenuEvent (int key, bool fromcontroller)
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{
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String InputGridChars = Chars;
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if (key == MKEY_Back)
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{
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mParentMenu.MenuEvent(MKEY_Abort, false);
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return Super.MenuEvent(key, fromcontroller);
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}
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if (fromcontroller)
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{
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mInputGridOkay = true;
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}
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if (mInputGridOkay)
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{
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int ch;
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if (InputGridX == -1 || InputGridY == -1)
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{
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InputGridX = InputGridY = 0;
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}
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switch (key)
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{
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case MKEY_Down:
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InputGridY = (InputGridY + 1) % INPUTGRID_HEIGHT;
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return true;
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case MKEY_Up:
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InputGridY = (InputGridY + INPUTGRID_HEIGHT - 1) % INPUTGRID_HEIGHT;
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return true;
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case MKEY_Right:
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InputGridX = (InputGridX + 1) % INPUTGRID_WIDTH;
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return true;
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case MKEY_Left:
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InputGridX = (InputGridX + INPUTGRID_WIDTH - 1) % INPUTGRID_WIDTH;
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return true;
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case MKEY_Clear:
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if (mEnterString.Length() > 0)
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{
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mEnterString.DeleteLastCharacter();
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}
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return true;
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case MKEY_Enter:
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if (mInputGridOkay)
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{
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int ch = InputGridChars.ByteAt(InputGridX + InputGridY * INPUTGRID_WIDTH);
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if (ch == 0) // end
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{
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if (mEnterString.Length() > 0)
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{
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Menu parent = mParentMenu;
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parent.MenuEvent(MKEY_Input, false);
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Close();
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return true;
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}
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}
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else if (ch == 8) // bs
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{
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if (mEnterString.Length() > 0)
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{
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mEnterString.DeleteLastCharacter();
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}
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}
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else
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{
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AppendChar(ch);
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}
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}
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return true;
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default:
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break;
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}
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}
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return false;
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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override void Drawer ()
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{
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mParentMenu.Drawer();
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if (mInputGridOkay)
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{
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String InputGridChars = Chars;
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int cell_width = 18 * CleanXfac_1;
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int cell_height = 16 * CleanYfac_1;
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int top_padding = cell_height / 2 - displayFont.GetHeight() * CleanYfac_1 / 2;
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// Darken the background behind the character grid.
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screen.Dim(0, 0.8, 0, screen.GetHeight() - INPUTGRID_HEIGHT * cell_height, screen.GetWidth(), INPUTGRID_HEIGHT * cell_height);
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if (InputGridX >= 0 && InputGridY >= 0)
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{
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// Highlight the background behind the selected character.
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screen.Dim(Color(255,248,220), 0.6,
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InputGridX * cell_width - INPUTGRID_WIDTH * cell_width / 2 + screen.GetWidth() / 2,
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InputGridY * cell_height - INPUTGRID_HEIGHT * cell_height + screen.GetHeight(),
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cell_width, cell_height);
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}
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for (int y = 0; y < INPUTGRID_HEIGHT; ++y)
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{
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int yy = y * cell_height - INPUTGRID_HEIGHT * cell_height + screen.GetHeight();
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for (int x = 0; x < INPUTGRID_WIDTH; ++x)
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{
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int xx = x * cell_width - INPUTGRID_WIDTH * cell_width / 2 + screen.GetWidth() / 2;
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int ch = InputGridChars.ByteAt(y * INPUTGRID_WIDTH + x);
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int width = displayFont.GetCharWidth(ch);
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// The highlighted character is yellow; the rest are dark gray.
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int colr = (x == InputGridX && y == InputGridY) ? Font.CR_YELLOW : Font.CR_DARKGRAY;
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Color palcolor = (x == InputGridX && y == InputGridY) ? Color(160, 120, 0) : Color(120, 120, 120);
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if (ch > 32)
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{
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// Draw a normal character.
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screen.DrawChar(displayFont, colr, xx + cell_width/2 - width*CleanXfac_1/2, yy + top_padding, ch, DTA_CleanNoMove_1, true);
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}
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else if (ch == 32)
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{
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// Draw the space as a box outline. We also draw it 50% wider than it really is.
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int x1 = xx + cell_width/2 - width * CleanXfac_1 * 3 / 4;
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int x2 = x1 + width * 3 * CleanXfac_1 / 2;
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int y1 = yy + top_padding;
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int y2 = y1 + displayFont.GetHeight() * CleanYfac_1;
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screen.Clear(x1, y1, x2, y1+CleanYfac_1, palcolor); // top
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screen.Clear(x1, y2, x2, y2+CleanYfac_1, palcolor); // bottom
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screen.Clear(x1, y1+CleanYfac_1, x1+CleanXfac_1, y2, palcolor); // left
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screen.Clear(x2-CleanXfac_1, y1+CleanYfac_1, x2, y2, palcolor); // right
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}
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else if (ch == 8 || ch == 0)
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{
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// Draw the backspace and end "characters".
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String str = ch == 8 ? "BS" : "ED";
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screen.DrawText(displayFont, colr,
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xx + cell_width/2 - displayFont.StringWidth(str)*CleanXfac_1/2,
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yy + top_padding, str, DTA_CleanNoMove_1, true);
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}
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}
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}
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}
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Super.Drawer();
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}
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}
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