gzdoom/wadsrc/static/zscript/engine/ui/menu/listmenuitems.zs

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/*
** listmenu.cpp
** A simple menu consisting of a list of items
**
**---------------------------------------------------------------------------
** 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 ListMenuItem : MenuItemBase
{
protected void DrawText(ListMenuDescriptor desc, Font fnt, int color, double x, double y, String text, bool ontop = false)
{
int w = desc ? desc.DisplayWidth() : ListMenuDescriptor.CleanScale;
int h = desc ? desc.DisplayHeight() : -1;
if (w == ListMenuDescriptor.CleanScale)
{
screen.DrawText(fnt, color, x, y, text, ontop? DTA_CleanTop : DTA_Clean, true);
}
else
{
screen.DrawText(fnt, color, x, y, text, DTA_VirtualWidth, w, DTA_VirtualHeight, h, DTA_FullscreenScale, FSMode_ScaleToFit43);
}
}
protected void DrawTexture(ListMenuDescriptor desc, TextureID tex, double x, double y, bool ontop = false)
{
int w = desc ? desc.DisplayWidth() : ListMenuDescriptor.CleanScale;
int h = desc ? desc.DisplayHeight() : -1;
if (w == ListMenuDescriptor.CleanScale)
{
screen.DrawTexture(tex, true, x, y, ontop ? DTA_CleanTop : DTA_Clean, true);
}
else
{
screen.DrawTexture(tex, true, x, y, DTA_VirtualWidth, w, DTA_VirtualHeight, h, DTA_FullscreenScale, FSMode_ScaleToFit43);
}
}
virtual void DrawSelector(double xofs, double yofs, TextureID tex, ListMenuDescriptor desc = null)
{
if (tex.isNull())
{
if ((Menu.MenuTime() % 8) < 6)
{
DrawText(desc, ConFont, OptionMenuSettings.mFontColorSelection, mXpos + xofs, mYpos + yofs + 8, "\xd");
}
}
else
{
DrawTexture(desc, tex, mXpos + xofs, mYpos + yofs);
}
}
// We cannot extend Drawer here because it is inherited from the parent class.
virtual void Draw(bool selected, ListMenuDescriptor desc)
{
Drawer(selected); // fall back to the legacy version, if not overridden
}
}
//=============================================================================
//
// static patch
//
//=============================================================================
class ListMenuItemStaticPatch : ListMenuItem
{
TextureID mTexture;
bool mCentered;
String mSubstitute;
Font mFont;
int mColor;
void Init(ListMenuDescriptor desc, double x, double y, TextureID patch, bool centered = false, String substitute = "")
{
Super.Init(x, y);
mTexture = patch;
mCentered = centered;
mSubstitute = substitute;
mFont = desc.mFont;
mColor = desc.mFontColor;
}
override void Draw(bool selected, ListMenuDescriptor desc)
{
if (!mTexture.Exists())
{
return;
}
double x = mXpos;
Vector2 vec = TexMan.GetScaledSize(mTexture);
if (mSubstitute == "" || TexMan.OkForLocalization(mTexture, mSubstitute))
{
if (mCentered) x -= vec.X / 2;
DrawTexture(desc, mTexture, x, abs(mYpos), mYpos < 0);
}
else
{
let font = generic_ui ? NewSmallFont : mFont;
if (mCentered) x -= font.StringWidth(mSubstitute) / 2;
DrawText(desc, font, mColor, x, abs(mYpos), mSubstitute, mYpos < 0);
}
}
}
class ListMenuItemStaticPatchCentered : ListMenuItemStaticPatch
{
void Init(ListMenuDescriptor desc, double x, double y, TextureID patch)
{
Super.Init(desc, x, y, patch, true);
}
}
//=============================================================================
//
// static text
//
//=============================================================================
class ListMenuItemStaticText : ListMenuItem
{
String mText;
Font mFont;
int mColor;
bool mCentered;
void Init(ListMenuDescriptor desc, double x, double y, String text, int color = -1)
{
Super.Init(x, y);
mText = text;
mFont = desc.mFont;
mColor = color >= 0? color : desc.mFontColor;
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mCentered = desc.mCenterText;
}
void InitDirect(double x, double y, String text, Font font, int color = Font.CR_UNTRANSLATED, bool centered = false)
{
Super.Init(x, y);
mText = text;
mFont = font;
mColor = color;
mCentered = centered;
}
override void Draw(bool selected, ListMenuDescriptor desc)
{
if (mText.Length() != 0)
{
let font = generic_ui? NewSmallFont : mFont;
String text = Stringtable.Localize(mText);
double x = mXpos;
if (mCentered) x -= font.StringWidth(text) / 2;
DrawText(desc, font, mColor, x, abs(mYpos), text, mYpos < 0);
}
}
}
class ListMenuItemStaticTextCentered : ListMenuItemStaticText
{
void Init(ListMenuDescriptor desc, double x, double y, String text, int color = -1)
{
Super.Init(desc, x, y, text, color);
mCentered = true;
}
}
//=============================================================================
//
// selectable items
//
//=============================================================================
class ListMenuItemSelectable : ListMenuItem
{
int mHotkey;
int mHeight;
int mParam;
protected void Init(double x, double y, int height, Name childmenu, int param = -1)
{
Super.Init(x, y, childmenu);
mHeight = height;
mParam = param;
mHotkey = 0;
}
override bool CheckCoordinate(int x, int y)
{
return mEnabled > 0 && y >= mYpos && y < mYpos + mHeight; // no x check here
}
override bool Selectable()
{
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return mEnabled > 0;
}
override bool CheckHotkey(int c)
{
return c > 0 && c == mHotkey;
}
override bool Activate()
{
Menu.SetMenu(mAction, mParam);
return true;
}
override bool MouseEvent(int type, int x, int y)
{
if (type == Menu.MOUSE_Release)
{
let m = Menu.GetCurrentMenu();
if (m != NULL && m.MenuEvent(Menu.MKEY_Enter, true))
{
return true;
}
}
return false;
}
override Name, int GetAction()
{
return mAction, mParam;
}
}
//=============================================================================
//
// text item
//
//=============================================================================
class ListMenuItemTextItem : ListMenuItemSelectable
{
String mText;
Font mFont;
int mColor;
int mColorSelected;
void Init(ListMenuDescriptor desc, String text, String hotkey, Name child, int param = 0)
{
Super.Init(desc.mXpos, desc.mYpos, desc.mLinespacing, child, param);
mText = text;
mFont = desc.mFont;
mColor = desc.mFontColor;
mColorSelected = desc.mFontcolor2;
mHotkey = hotkey.GetNextCodePoint(0);
}
void InitDirect(double x, double y, int height, String hotkey, String text, Font font, int color, int color2, Name child, int param = 0)
{
Super.Init(x, y, height, child, param);
mText = text;
mFont = font;
mColor = color;
mColorSelected = color2;
int pos = 0;
mHotkey = hotkey.GetNextCodePoint(0);
}
override void Draw(bool selected, ListMenuDescriptor desc)
{
let font = menuDelegate.PickFont(mFont);
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double x = mXpos;
if (desc.mCenterText)
{
x -= font.StringWidth(mText) / 2;
}
DrawText(desc, font, selected ? mColorSelected : mColor, x, mYpos, mText);
}
override int GetWidth()
{
let font = menuDelegate.PickFont(mFont);
return max(1, font.StringWidth(StringTable.Localize(mText)));
}
}
//=============================================================================
//
// patch item
//
//=============================================================================
class ListMenuItemPatchItem : ListMenuItemSelectable
{
TextureID mTexture;
void Init(ListMenuDescriptor desc, TextureID patch, String hotkey, Name child, int param = 0)
{
Super.Init(desc.mXpos, desc.mYpos, desc.mLinespacing, child, param);
mHotkey = hotkey.GetNextCodePoint(0);
mTexture = patch;
}
void InitDirect(double x, double y, int height, TextureID patch, String hotkey, Name child, int param = 0)
{
Super.Init(x, y, height, child, param);
mHotkey = hotkey.GetNextCodePoint(0);
mTexture = patch;
}
override void Draw(bool selected, ListMenuDescriptor desc)
{
DrawTexture(desc, mTexture, mXpos, mYpos);
}
override int GetWidth()
{
return TexMan.GetSize(mTexture);
}
}
//=============================================================================
//
// caption - draws a text using the customizer's caption hook
//
//=============================================================================
class ListMenuItemCaptionItem : ListMenuItem
{
String mText;
Font mFont;
void Init(ListMenuDescriptor desc, String text, String fnt = "BigFont")
{
Super.Init(0, 0);
mText = text;
mFont = Font.FindFont(fnt);
}
override void Draw(bool selected, ListMenuDescriptor desc)
{
let font = menuDelegate.PickFont(desc.mFont);
if (font && mText.Length() > 0)
{
menuDelegate.DrawCaption(mText, font, 0, true);
}
}
}