mirror of
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365 lines
9.5 KiB
Text
365 lines
9.5 KiB
Text
/*
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** listmenu.zs
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** The main menu class
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**
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**---------------------------------------------------------------------------
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** Copyright 2010-2020 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 ListMenuDescriptor : MenuDescriptor native
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{
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enum EScale
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{
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CleanScale = -1,
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OptCleanScale = -2
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};
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native Array<ListMenuItem> mItems;
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native int mSelectedItem;
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native double mSelectOfsX;
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native double mSelectOfsY;
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native TextureID mSelector;
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native int mDisplayTop;
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native double mXpos, mYpos;
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native int mWLeft, mWRight;
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native int mLinespacing; // needs to be stored for dynamically created menus
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native int mAutoselect; // this can only be set by internal menu creation functions
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native Font mFont;
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native int mFontColor;
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native int mFontColor2;
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native bool mCenter;
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native bool mAnimatedTransition;
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native bool mAnimated;
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native int mVirtWidth, mVirtHeight;
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native void Reset();
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int DisplayWidth()
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{
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if (mVirtWidth == OptCleanScale) return m_cleanscale ? CleanScale : 320;
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return mVirtWidth;
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}
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int DisplayHeight()
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{
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if (mVirtWidth == OptCleanScale) return m_cleanscale ? CleanScale : 200;
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return mVirtHeight;
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}
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}
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//=============================================================================
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//
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// list menu class runs a menu described by a DListMenuDescriptor
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//
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//=============================================================================
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class ListMenu : Menu
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{
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ListMenuDescriptor mDesc;
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MenuItemBase mFocusControl;
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virtual void Init(Menu parent = NULL, ListMenuDescriptor desc = NULL)
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{
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Super.Init(parent);
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mDesc = desc;
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AnimatedTransition = mDesc.mAnimatedTransition;
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Animated = mDesc.mAnimated;
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if (desc.mCenter)
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{
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double center = 160;
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for(int i=0; i < mDesc.mItems.Size(); i++)
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{
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double xpos = mDesc.mItems[i].GetX();
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int width = mDesc.mItems[i].GetWidth();
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double curx = mDesc.mSelectOfsX;
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if (width > 0 && mDesc.mItems[i].Selectable())
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{
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double left = 160 - (width - curx) / 2 - curx;
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if (left < center) center = left;
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}
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}
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for(int i=0;i<mDesc.mItems.Size(); i++)
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{
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int width = mDesc.mItems[i].GetWidth();
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if (width > 0)
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{
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mDesc.mItems[i].SetX(center);
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}
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}
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}
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// notify all items that the menu was just created.
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for(int i=0;i<mDesc.mItems.Size(); i++)
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{
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mDesc.mItems[i].OnMenuCreated();
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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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ListMenuItem GetItem(Name name)
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{
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for(int i = 0; i < mDesc.mItems.Size(); i++)
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{
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Name nm = mDesc.mItems[i].GetAction();
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if (nm == name) return mDesc.mItems[i];
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}
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return NULL;
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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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if (ev.Type == UIEvent.Type_KeyDown && ev.KeyChar > 0)
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{
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// tolower
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int ch = ev.KeyChar;
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ch = ch >= 65 && ch < 91 ? ch + 32 : ch;
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for(int i = mDesc.mSelectedItem + 1; i < mDesc.mItems.Size(); i++)
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{
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if (mDesc.mitems[i].Selectable() && mDesc.mItems[i].CheckHotkey(ch))
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{
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mDesc.mSelectedItem = i;
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MenuSound("menu/cursor");
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return true;
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}
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}
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for(int i = 0; i < mDesc.mSelectedItem; i++)
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{
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if (mDesc.mitems[i].Selectable() && mDesc.mItems[i].CheckHotkey(ch))
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{
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mDesc.mSelectedItem = i;
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MenuSound("menu/cursor");
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return true;
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}
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}
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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 MenuEvent (int mkey, bool fromcontroller)
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{
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int oldSelect = mDesc.mSelectedItem;
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int startedAt = max(0, mDesc.mSelectedItem);
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switch (mkey)
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{
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case MKEY_Up:
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do
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{
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if (--mDesc.mSelectedItem < 0) mDesc.mSelectedItem = mDesc.mItems.Size()-1;
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}
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while (!mDesc.mItems[mDesc.mSelectedItem].Selectable() && mDesc.mSelectedItem != startedAt);
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if (mDesc.mSelectedItem == startedAt) mDesc.mSelectedItem = oldSelect;
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MenuSound("menu/cursor");
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return true;
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case MKEY_Down:
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do
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{
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if (++mDesc.mSelectedItem >= mDesc.mItems.Size()) mDesc.mSelectedItem = 0;
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}
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while (!mDesc.mItems[mDesc.mSelectedItem].Selectable() && mDesc.mSelectedItem != startedAt);
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if (mDesc.mSelectedItem == startedAt) mDesc.mSelectedItem = oldSelect;
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MenuSound("menu/cursor");
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return true;
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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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MenuSound("menu/advance");
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}
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return true;
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default:
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return Super.MenuEvent(mkey, fromcontroller);
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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 MouseEvent(int type, int x, int y)
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{
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int sel = -1;
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int w = mDesc.DisplayWidth();
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double sx, sy;
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if (w == ListMenuDescriptor.CleanScale)
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{
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// convert x/y from screen to virtual coordinates, according to CleanX/Yfac use in DrawTexture
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x = ((x - (screen.GetWidth() / 2)) / CleanXfac) + 160;
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y = ((y - (screen.GetHeight() / 2)) / CleanYfac) + 100;
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}
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else
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{
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// for fullscreen scale, transform coordinates so that for the given rect the coordinates are within (0, 0, w, h)
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int h = mDesc.DisplayHeight();
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double fx, fy, fw, fh;
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[fx, fy, fw, fh] = Screen.GetFullscreenRect(w, h, FSMode_ScaleToFit43);
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x = int((x - fx) * w / fw);
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y = int((y - fy) * h / fh);
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}
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if (mFocusControl != NULL)
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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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if ((mDesc.mWLeft <= 0 || x > mDesc.mWLeft) &&
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(mDesc.mWRight <= 0 || x < mDesc.mWRight))
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{
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for(int i=0;i<mDesc.mItems.Size(); i++)
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{
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if (mDesc.mItems[i].Selectable() && mDesc.mItems[i].CheckCoordinate(x, y))
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{
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if (i != mDesc.mSelectedItem)
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{
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//MenuSound("menu/cursor");
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}
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mDesc.mSelectedItem = i;
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mDesc.mItems[i].MouseEvent(type, x, y);
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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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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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for(int i=0;i<mDesc.mItems.Size(); i++)
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{
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if (mDesc.mItems[i].mEnabled) mDesc.mItems[i].Draw(mDesc.mSelectedItem == i, mDesc);
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}
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if (mDesc.mSelectedItem >= 0 && mDesc.mSelectedItem < mDesc.mItems.Size())
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{
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if (!menuDelegate.DrawSelector(mDesc))
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mDesc.mItems[mDesc.mSelectedItem].DrawSelector(mDesc.mSelectOfsX, mDesc.mSelectOfsY, mDesc.mSelector, mDesc);
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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 = 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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//
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//
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//
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//=============================================================================
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void ChangeLineSpacing(int newspace)
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{
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double top = -32767;
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for (int i = 0; i < mDesc.mItems.Size(); i++)
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{
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let selitem = ListMenuItemSelectable(mDesc.mItems[i]);
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if (selitem)
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{
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let y = mDesc.mItems[i].GetY();
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if (top == -32767)
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{
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top = y;
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}
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else
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{
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let newy = top + (y - top) / mDesc.mLineSpacing * newspace;
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mDesc.mItems[i].SetY(newy);
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}
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}
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}
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mDesc.mLineSpacing = newspace;
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}
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}
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