gzdoom/wadsrc/static/zscript/ui/menu/textentermenu.zs

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Text

/*
** menuinput.cpp
** The string input code
**
**---------------------------------------------------------------------------
** Copyright 2001-2010 Randy Heit
** Copyright 2010-2017 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
class TextEnterMenu : Menu
{
const INPUTGRID_WIDTH = 13;
const INPUTGRID_HEIGHT = 5;
const Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+-=.,!?@'\":;[]()<>^#$%&*/_ \b";
String mEnterString;
int mEnterSize;
int mEnterPos;
bool mInputGridOkay;
int InputGridX;
int InputGridY;
int CursorSize;
bool AllowColors;
Font displayFont;
//=============================================================================
//
//
//
//=============================================================================
// [TP] Added allowcolors
private void Init(Menu parent, Font dpf, String textbuffer, int maxlen, bool showgrid, bool allowcolors)
{
Super.init(parent);
mEnterString = textbuffer;
mEnterSize = maxlen;
mInputGridOkay = (showgrid && (m_showinputgrid == 0)) || (m_showinputgrid >= 1);
if (mEnterString.Length() > 0)
{
InputGridX = INPUTGRID_WIDTH - 1;
InputGridY = INPUTGRID_HEIGHT - 1;
}
else
{
// If we are naming a new save, don't start the cursor on "end".
InputGridX = 0;
InputGridY = 0;
}
AllowColors = allowcolors; // [TP]
displayFont = dpf;
CursorSize = displayFont.StringWidth(displayFont.GetCursor());
}
// This had to be deprecated because the unit for maxlen is 8 pixels.
deprecated("3.8") static TextEnterMenu Open(Menu parent, String textbuffer, int maxlen, int sizemode, bool showgrid = false, bool allowcolors = false)
{
let me = new("TextEnterMenu");
me.Init(parent, SmallFont, textbuffer, maxlen*8, showgrid, allowcolors);
return me;
}
static TextEnterMenu OpenTextEnter(Menu parent, Font displayfnt, String textbuffer, int maxlen, bool showgrid = false, bool allowcolors = false)
{
let me = new("TextEnterMenu");
me.Init(parent, displayfnt, textbuffer, maxlen, showgrid, allowcolors);
return me;
}
//=============================================================================
//
//
//
//=============================================================================
String GetText()
{
return mEnterString;
}
override bool TranslateKeyboardEvents()
{
return mInputGridOkay;
}
//=============================================================================
//
//
//
//=============================================================================
override bool OnUIEvent(UIEvent ev)
{
// Save game and player name string input
if (ev.Type == UIEvent.Type_Char)
{
mInputGridOkay = false;
AppendChar(ev.KeyChar);
return true;
}
int ch = ev.KeyChar;
if ((ev.Type == UIEvent.Type_KeyDown || ev.Type == UIEvent.Type_KeyRepeat) && ch == 8)
{
if (mEnterString.Length() > 0)
{
mEnterString.DeleteLastCharacter();
}
}
else if (ev.Type == UIEvent.Type_KeyDown)
{
if (ch == UIEvent.Key_ESCAPE)
{
Menu parent = mParentMenu;
Close();
parent.MenuEvent(MKEY_Abort, false);
return true;
}
else if (ch == 13)
{
if (mEnterString.Length() > 0)
{
// [TP] If we allow color codes, colorize the string now.
if (AllowColors)
mEnterString = mEnterString.Filter();
Menu parent = mParentMenu;
parent.MenuEvent(MKEY_Input, false);
Close();
return true;
}
}
}
if (ev.Type == UIEvent.Type_KeyDown || ev.Type == UIEvent.Type_KeyRepeat)
{
return true;
}
return Super.OnUIEvent(ev);
}
//=============================================================================
//
//
//
//=============================================================================
override bool MouseEvent(int type, int x, int y)
{
int cell_width = 18 * CleanXfac;
int cell_height = 12 * CleanYfac;
int screen_y = screen.GetHeight() - INPUTGRID_HEIGHT * cell_height;
int screen_x = (screen.GetWidth() - INPUTGRID_WIDTH * cell_width) / 2;
if (x >= screen_x && x < screen_x + INPUTGRID_WIDTH * cell_width && y >= screen_y)
{
InputGridX = (x - screen_x) / cell_width;
InputGridY = (y - screen_y) / cell_height;
if (type == MOUSE_Release)
{
if (MenuEvent(MKEY_Enter, true))
{
MenuSound("menu/choose");
if (m_use_mouse == 2) InputGridX = InputGridY = -1;
}
}
return true;
}
else
{
InputGridX = InputGridY = -1;
}
return Super.MouseEvent(type, x, y);
}
//=============================================================================
//
//
//
//=============================================================================
private void AppendChar(int ch)
{
String newstring = String.Format("%s%c%s", mEnterString, ch, displayFont.GetCursor());
if (mEnterSize < 0 || displayFont.StringWidth(newstring) < mEnterSize)
{
mEnterString.AppendCharacter(ch);
}
}
//=============================================================================
//
//
//
//=============================================================================
override bool MenuEvent (int key, bool fromcontroller)
{
String InputGridChars = Chars;
if (key == MKEY_Back)
{
mParentMenu.MenuEvent(MKEY_Abort, false);
return Super.MenuEvent(key, fromcontroller);
}
if (fromcontroller)
{
mInputGridOkay = true;
}
if (mInputGridOkay)
{
int ch;
if (InputGridX == -1 || InputGridY == -1)
{
InputGridX = InputGridY = 0;
}
switch (key)
{
case MKEY_Down:
InputGridY = (InputGridY + 1) % INPUTGRID_HEIGHT;
return true;
case MKEY_Up:
InputGridY = (InputGridY + INPUTGRID_HEIGHT - 1) % INPUTGRID_HEIGHT;
return true;
case MKEY_Right:
InputGridX = (InputGridX + 1) % INPUTGRID_WIDTH;
return true;
case MKEY_Left:
InputGridX = (InputGridX + INPUTGRID_WIDTH - 1) % INPUTGRID_WIDTH;
return true;
case MKEY_Clear:
if (mEnterString.Length() > 0)
{
mEnterString.Truncate(mEnterString.Length() - 1);
}
return true;
case MKEY_Enter:
if (mInputGridOkay)
{
int ch = InputGridChars.CharCodeAt(InputGridX + InputGridY * INPUTGRID_WIDTH);
if (ch == 0) // end
{
if (mEnterString.Length() > 0)
{
Menu parent = mParentMenu;
parent.MenuEvent(MKEY_Input, false);
Close();
return true;
}
}
else if (ch == 8) // bs
{
if (mEnterString.Length() > 0)
{
mEnterString.DeleteLastCharacter();
}
}
else
{
AppendChar(ch);
}
}
return true;
default:
break; // Keep GCC quiet
}
}
return false;
}
//=============================================================================
//
//
//
//=============================================================================
override void Drawer ()
{
mParentMenu.Drawer();
if (mInputGridOkay)
{
String InputGridChars = Chars;
int cell_width = 18 * CleanXfac;
int cell_height = 12 * CleanYfac;
int top_padding = cell_height / 2 - displayFont.GetHeight() * CleanYfac / 2;
// Darken the background behind the character grid.
screen.Dim(0, 0.8, 0, screen.GetHeight() - INPUTGRID_HEIGHT * cell_height, screen.GetWidth(), INPUTGRID_HEIGHT * cell_height);
if (InputGridX >= 0 && InputGridY >= 0)
{
// Highlight the background behind the selected character.
screen.Dim(Color(255,248,220), 0.6,
InputGridX * cell_width - INPUTGRID_WIDTH * cell_width / 2 + screen.GetWidth() / 2,
InputGridY * cell_height - INPUTGRID_HEIGHT * cell_height + screen.GetHeight(),
cell_width, cell_height);
}
for (int y = 0; y < INPUTGRID_HEIGHT; ++y)
{
int yy = y * cell_height - INPUTGRID_HEIGHT * cell_height + screen.GetHeight();
for (int x = 0; x < INPUTGRID_WIDTH; ++x)
{
int xx = x * cell_width - INPUTGRID_WIDTH * cell_width / 2 + screen.GetWidth() / 2;
int ch = InputGridChars.CharCodeAt(y * INPUTGRID_WIDTH + x);
int width = displayFont.GetCharWidth(ch);
// The highlighted character is yellow; the rest are dark gray.
int colr = (x == InputGridX && y == InputGridY) ? Font.CR_YELLOW : Font.CR_DARKGRAY;
Color palcolor = (x == InputGridX && y == InputGridY) ? Color(160, 120, 0) : Color(120, 120, 120);
if (ch > 32)
{
// Draw a normal character.
screen.DrawChar(displayFont, colr, xx + cell_width/2 - width*CleanXfac/2, yy + top_padding, ch, DTA_CleanNoMove, true);
}
else if (ch == 32)
{
// Draw the space as a box outline. We also draw it 50% wider than it really is.
int x1 = xx + cell_width/2 - width * CleanXfac * 3 / 4;
int x2 = x1 + width * 3 * CleanXfac / 2;
int y1 = yy + top_padding;
int y2 = y1 + displayFont.GetHeight() * CleanYfac;
screen.Clear(x1, y1, x2, y1+CleanYfac, palcolor); // top
screen.Clear(x1, y2, x2, y2+CleanYfac, palcolor); // bottom
screen.Clear(x1, y1+CleanYfac, x1+CleanXfac, y2, palcolor); // left
screen.Clear(x2-CleanXfac, y1+CleanYfac, x2, y2, palcolor); // right
}
else if (ch == 8 || ch == 0)
{
// Draw the backspace and end "characters".
String str = ch == 8 ? "BS" : "ED";
screen.DrawText(displayFont, colr,
xx + cell_width/2 - displayFont.StringWidth(str)*CleanXfac/2,
yy + top_padding, str, DTA_CleanNoMove, true);
}
}
}
}
Super.Drawer();
}
}