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https://github.com/ZDoom/gzdoom-gles.git
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500 lines
12 KiB
Text
500 lines
12 KiB
Text
/*
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** optionmenu.cpp
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** Handler class for the option menus and associated items
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**
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**---------------------------------------------------------------------------
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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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struct FOptionMenuSettings
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{
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int mTitleColor;
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int mFontColor;
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int mFontColorValue;
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int mFontColorMore;
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int mFontColorHeader;
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int mFontColorHighlight;
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int mFontColorSelection;
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int mLinespacing;
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}
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class OptionMenuDescriptor : MenuDescriptor native
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{
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native Array<OptionMenuItem> mItems;
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native String mTitle;
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native int mSelectedItem;
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native int mDrawTop;
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native int mScrollTop;
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native int mScrollPos;
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native int mIndent;
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native int mPosition;
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native bool mDontDim;
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native void CalcIndent();
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native OptionMenuItem GetItem(Name iname);
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void Reset()
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{
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// Reset the default settings (ignore all other values in the struct)
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mPosition = 0;
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mScrollTop = 0;
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mIndent = 0;
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mDontDim = 0;
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}
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}
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class OptionMenu : Menu
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{
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OptionMenuDescriptor mDesc;
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bool CanScrollUp;
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bool CanScrollDown;
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int VisBottom;
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OptionMenuItem mFocusControl;
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//=============================================================================
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//
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//
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//
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//=============================================================================
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virtual void Init(Menu parent, OptionMenuDescriptor desc)
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{
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mParentMenu = parent;
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mDesc = desc;
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if (mDesc != NULL && mDesc.mSelectedItem == -1) mDesc.mSelectedItem = FirstSelectable();
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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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int FirstSelectable()
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{
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if (mDesc != NULL)
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{
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// Go down to the first selectable item
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int i = -1;
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do
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{
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i++;
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}
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while (i < mDesc.mItems.Size() && !mDesc.mItems[i].Selectable());
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if (i>=0 && i < mDesc.mItems.Size()) return i;
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}
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return -1;
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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 Responder (InputEventData ev)
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{
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if (ev.type == InputEventData.GUI_Event)
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{
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if (ev.subtype == InputEventData.GUI_WheelUp)
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{
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int scrollamt = MIN(2, mDesc.mScrollPos);
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mDesc.mScrollPos -= scrollamt;
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return true;
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}
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else if (ev.subtype == InputEventData.GUI_WheelDown)
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{
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if (CanScrollDown)
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{
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if (VisBottom >= 0 && VisBottom < (mDesc.mItems.Size()-2))
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{
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mDesc.mScrollPos += 2;
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VisBottom += 2;
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}
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else
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{
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mDesc.mScrollPos++;
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VisBottom++;
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}
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}
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return true;
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}
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}
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return Super.Responder(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 MenuEvent (int mkey, bool fromcontroller)
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{
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int startedAt = mDesc.mSelectedItem;
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switch (mkey)
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{
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case MKEY_Up:
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if (mDesc.mSelectedItem == -1)
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{
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mDesc.mSelectedItem = FirstSelectable();
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break;
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}
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do
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{
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--mDesc.mSelectedItem;
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if (mDesc.mScrollPos > 0 &&
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mDesc.mSelectedItem <= mDesc.mScrollTop + mDesc.mScrollPos)
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{
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mDesc.mScrollPos = MAX(mDesc.mSelectedItem - mDesc.mScrollTop - 1, 0);
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}
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if (mDesc.mSelectedItem < 0)
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{
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// Figure out how many lines of text fit on the menu
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int y = mDesc.mPosition;
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if (y <= 0)
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{
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if (BigFont && mDesc.mTitle.Length() > 0)
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{
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y = -y + BigFont.GetHeight();
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}
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else
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{
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y = -y;
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}
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}
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y *= CleanYfac_1;
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int rowheight = OptionMenuSettings.mLinespacing * CleanYfac_1;
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int maxitems = (screen.GetHeight() - rowheight - y) / rowheight + 1;
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mDesc.mScrollPos = MAX (0, mDesc.mItems.Size() - maxitems + mDesc.mScrollTop);
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mDesc.mSelectedItem = mDesc.mItems.Size()-1;
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}
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}
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while (!mDesc.mItems[mDesc.mSelectedItem].Selectable() && mDesc.mSelectedItem != startedAt);
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break;
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case MKEY_Down:
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if (mDesc.mSelectedItem == -1)
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{
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mDesc.mSelectedItem = FirstSelectable();
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break;
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}
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do
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{
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++mDesc.mSelectedItem;
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if (CanScrollDown && mDesc.mSelectedItem == VisBottom)
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{
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mDesc.mScrollPos++;
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VisBottom++;
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}
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if (mDesc.mSelectedItem >= mDesc.mItems.Size())
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{
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if (startedAt == -1)
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{
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mDesc.mSelectedItem = -1;
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mDesc.mScrollPos = -1;
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break;
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}
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else
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{
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mDesc.mSelectedItem = 0;
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mDesc.mScrollPos = 0;
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}
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}
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}
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while (!mDesc.mItems[mDesc.mSelectedItem].Selectable() && mDesc.mSelectedItem != startedAt);
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break;
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case MKEY_PageUp:
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if (mDesc.mScrollPos > 0)
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{
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mDesc.mScrollPos -= VisBottom - mDesc.mScrollPos - mDesc.mScrollTop;
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if (mDesc.mScrollPos < 0)
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{
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mDesc.mScrollPos = 0;
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}
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if (mDesc.mSelectedItem != -1)
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{
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mDesc.mSelectedItem = mDesc.mScrollTop + mDesc.mScrollPos + 1;
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while (!mDesc.mItems[mDesc.mSelectedItem].Selectable())
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{
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if (++mDesc.mSelectedItem >= mDesc.mItems.Size())
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{
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mDesc.mSelectedItem = 0;
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}
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}
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if (mDesc.mScrollPos > mDesc.mSelectedItem)
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{
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mDesc.mScrollPos = mDesc.mSelectedItem;
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}
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}
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}
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break;
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case MKEY_PageDown:
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if (CanScrollDown)
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{
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int pagesize = VisBottom - mDesc.mScrollPos - mDesc.mScrollTop;
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mDesc.mScrollPos += pagesize;
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if (mDesc.mScrollPos + mDesc.mScrollTop + pagesize > mDesc.mItems.Size())
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{
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mDesc.mScrollPos = mDesc.mItems.Size() - mDesc.mScrollTop - pagesize;
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}
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if (mDesc.mSelectedItem != -1)
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{
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mDesc.mSelectedItem = mDesc.mScrollTop + mDesc.mScrollPos;
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while (!mDesc.mItems[mDesc.mSelectedItem].Selectable())
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{
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if (++mDesc.mSelectedItem >= mDesc.mItems.Size())
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{
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mDesc.mSelectedItem = 0;
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}
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}
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if (mDesc.mScrollPos > mDesc.mSelectedItem)
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{
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mDesc.mScrollPos = mDesc.mSelectedItem;
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}
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}
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}
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break;
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case MKEY_Enter:
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if (mDesc.mSelectedItem >= 0 && mDesc.mItems[mDesc.mSelectedItem].Activate())
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{
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return true;
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}
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// fall through to default
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default:
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if (mDesc.mSelectedItem >= 0 &&
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mDesc.mItems[mDesc.mSelectedItem].MenuEvent(mkey, fromcontroller)) return true;
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return Super.MenuEvent(mkey, fromcontroller);
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}
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if (mDesc.mSelectedItem != startedAt)
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{
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MenuSound ("menu/cursor");
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}
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return true;
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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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y = (y / CleanYfac_1) - mDesc.mDrawTop;
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if (mFocusControl)
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{
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mFocusControl.MouseEvent(type, x, y);
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return true;
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}
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else
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{
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int yline = (y / OptionMenuSettings.mLinespacing);
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if (yline >= mDesc.mScrollTop)
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{
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yline += mDesc.mScrollPos;
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}
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if (yline >= 0 && yline < mDesc.mItems.Size() && mDesc.mItems[yline].Selectable())
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{
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if (yline != mDesc.mSelectedItem)
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{
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mDesc.mSelectedItem = yline;
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//S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
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}
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mDesc.mItems[yline].MouseEvent(type, x, y);
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return true;
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}
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}
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mDesc.mSelectedItem = -1;
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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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override void Ticker ()
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{
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Super.Ticker();
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for(int i = 0; i < mDesc.mItems.Size(); i++)
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{
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mDesc.mItems[i].Ticker();
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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 void Drawer ()
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{
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int y = mDesc.mPosition;
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if (y <= 0)
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{
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if (BigFont && mDesc.mTitle.Length() > 0)
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{
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let tt = Stringtable.Localize(mDesc.mTitle);
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screen.DrawText (BigFont, OptionMenuSettings.mTitleColor,
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(screen.GetWidth() - BigFont.StringWidth(tt) * CleanXfac_1) / 2, 10*CleanYfac_1,
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tt, DTA_CleanNoMove_1, true);
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y = -y + BigFont.GetHeight();
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}
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else
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{
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y = -y;
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}
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}
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mDesc.mDrawTop = y;
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int fontheight = OptionMenuSettings.mLinespacing * CleanYfac_1;
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y *= CleanYfac_1;
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int indent = mDesc.mIndent;
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if (indent > 280)
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{ // kludge for the compatibility options with their extremely long labels
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if (indent + 40 <= CleanWidth_1)
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{
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indent = (screen.GetWidth() - ((indent + 40) * CleanXfac_1)) / 2 + indent * CleanXfac_1;
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}
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else
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{
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indent = screen.GetWidth() - 40 * CleanXfac_1;
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}
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}
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else
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{
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indent = (indent - 160) * CleanXfac_1 + screen.GetWidth() / 2;
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}
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int ytop = y + mDesc.mScrollTop * 8 * CleanYfac_1;
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int lastrow = screen.GetHeight() - SmallFont.GetHeight() * CleanYfac_1;
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int i;
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for (i = 0; i < mDesc.mItems.Size() && y <= lastrow; i++)
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{
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// Don't scroll the uppermost items
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if (i == mDesc.mScrollTop)
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{
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i += mDesc.mScrollPos;
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if (i >= mDesc.mItems.Size()) break; // skipped beyond end of menu
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}
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bool isSelected = mDesc.mSelectedItem == i;
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int cur_indent = mDesc.mItems[i].Draw(mDesc, y, indent, isSelected);
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if (cur_indent >= 0 && isSelected && mDesc.mItems[i].Selectable())
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{
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if (((MenuTime() % 8) < 6) || GetCurrentMenu() != self)
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{
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DrawConText(OptionMenuSettings.mFontColorSelection, cur_indent + 3 * CleanXfac_1, y+fontheight-9*CleanYfac_1, "\xd");
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}
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}
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y += fontheight;
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}
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CanScrollUp = (mDesc.mScrollPos > 0);
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CanScrollDown = (i < mDesc.mItems.Size());
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VisBottom = i - 1;
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if (CanScrollUp)
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{
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DrawConText(Font.CR_ORANGE, 3 * CleanXfac_1, ytop, "\x1a");
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}
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if (CanScrollDown)
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{
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DrawConText(Font.CR_ORANGE, 3 * CleanXfac_1, y - 8*CleanYfac_1, "\x1b");
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}
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Super.Drawer();
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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 SetFocus(MenuItemBase fc)
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{
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mFocusControl = OptionMenuItem(fc);
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}
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override bool CheckFocus(MenuItemBase fc)
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{
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return mFocusControl == fc;
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}
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override void ReleaseFocus()
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{
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mFocusControl = NULL;
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}
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}
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class GameplayMenu : OptionMenu
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{
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override void Drawer ()
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{
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Super.Drawer();
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String s = String.Format("dmflags = %d dmflags2 = %d", dmflags, dmflags2);
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screen.DrawText (SmallFont, OptionMenuSettings.mFontColorValue,
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(screen.GetWidth() - SmallFont.StringWidth (s) * CleanXfac_1) / 2, 0, s,
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DTA_CleanNoMove_1, true);
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}
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}
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class CompatibilityMenu : OptionMenu
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{
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override void Drawer ()
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{
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Super.Drawer();
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String s = String.Format("compatflags = %d compatflags2 = %d", compatflags, compatflags2);
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screen.DrawText (SmallFont, OptionMenuSettings.mFontColorValue,
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(screen.GetWidth() - SmallFont.StringWidth (s) * CleanXfac_1) / 2, 0, s,
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DTA_CleanNoMove_1, true);
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}
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}
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