mirror of https://github.com/ZDoom/raze-gles.git
567 lines
14 KiB
C++
567 lines
14 KiB
C++
/*
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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 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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#include "v_font.h"
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#include "cmdlib.h"
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#include "gstrings.h"
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#include "d_gui.h"
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#include "d_event.h"
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#include "c_dispatch.h"
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#include "c_console.h"
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#include "c_cvars.h"
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#include "c_bind.h"
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#include "gameconfigfile.h"
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#include "menu/menu.h"
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#include "v_draw.h"
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#include "v_2ddrawer.h"
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//=============================================================================
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//
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// Draws a string in the console font, scaled to the 8x8 cells
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// used by the default console font.
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//
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//=============================================================================
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FFont *OptionFont()
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{
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return NewSmallFont;
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}
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int OptionHeight()
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{
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return OptionFont()->GetHeight();
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}
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int OptionWidth(const char * s)
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{
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return OptionFont()->StringWidth(s);
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}
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void DrawOptionText(int x, int y, int color, const char *text, bool grayed)
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{
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text = *text == '$'? GStrings(text+1) : text;
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PalEntry overlay = grayed? PalEntry(96,48,0,0) : PalEntry(0,0,0);
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DrawText (&twod, OptionFont(), color, x, y, text, DTA_CleanNoMove_1, true, DTA_ColorOverlay, overlay);
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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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DOptionMenu::DOptionMenu(DMenu *parent, FOptionMenuDescriptor *desc)
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: DMenu(parent)
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{
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CanScrollUp = false;
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CanScrollDown = false;
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VisBottom = 0;
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mFocusControl = NULL;
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Init(parent, desc);
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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 DOptionMenu::Init(DMenu *parent, FOptionMenuDescriptor *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 DOptionMenu::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 < (int)mDesc->mItems.Size() && !mDesc->mItems[i]->Selectable());
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if (i>=0 && i < (int)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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FOptionMenuItem *DOptionMenu::GetItem(FName name)
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{
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for(unsigned i=0;i<mDesc->mItems.Size(); i++)
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{
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FName nm = mDesc->mItems[i]->GetAction(NULL);
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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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bool DOptionMenu::Responder (event_t *ev)
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{
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if (ev->type == EV_GUI_Event)
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{
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if (ev->subtype == EV_GUI_WheelUp)
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{
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int scrollamt = std::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 == EV_GUI_WheelDown)
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{
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if (CanScrollDown)
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{
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if (VisBottom < (int)(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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bool DOptionMenu::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 = std::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.IsNotEmpty())
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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 = OptionSettings.mLinespacing * CleanYfac_1;
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int maxitems = (screen->GetHeight() - rowheight - y) / rowheight + 1;
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mDesc->mScrollPos = std::max(0, (int)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 >= (int)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 >= (int)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 > (int)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 >= (int)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(mDesc->mMenuName))
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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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M_MenuSound(CursorSound);
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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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bool DOptionMenu::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 / OptionSettings.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 ((unsigned)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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//M_MenuSound(CursorSound); too noisy
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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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void DOptionMenu::Ticker ()
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{
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Super::Ticker();
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for(unsigned 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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void DOptionMenu::Drawer ()
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{
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int y = mDesc->mPosition;
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if (mDesc->mTitle.IsNotEmpty())
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{
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gi->DrawMenuCaption(origin, mDesc->mTitle);
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}
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mDesc->mDrawTop = y;
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int fontheight = OptionSettings.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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unsigned i;
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for (i = 0; i < mDesc->mItems.Size() && y <= lastrow; i++, y += fontheight)
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{
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// Don't scroll the uppermost items
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if ((int)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 == (int)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 ((((DMenu::MenuTime>>2)%8) < 6) || DMenu::CurrentMenu != this)
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{
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DrawOptionText(cur_indent + 3 * CleanXfac_1, y, OptionSettings.mFontColorSelection, "◄");
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//M_DrawConText(OptionSettings.mFontColorSelection, cur_indent + 3 * CleanXfac_1, y+fontheight-9*CleanYfac_1, "\xd");
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}
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}
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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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DrawOptionText(screen->GetWidth() - 11 * CleanXfac_1, ytop, OptionSettings.mFontColorSelection, "▲");
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//M_DrawConText(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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DrawOptionText(screen->GetWidth() - 11 * CleanXfac_1 , y - 8*CleanYfac_1, OptionSettings.mFontColorSelection, "▼");
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//M_DrawConText(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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// base class for menu items
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//
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//=============================================================================
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FOptionMenuItem::~FOptionMenuItem()
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{
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}
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int FOptionMenuItem::Draw(FOptionMenuDescriptor *desc, int y, int indent, bool selected)
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{
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return indent;
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}
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bool FOptionMenuItem::Selectable()
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{
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return true;
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}
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bool FOptionMenuItem::MouseEvent(int type, int x, int y)
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{
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if (Selectable() && type == DMenu::MOUSE_Release)
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{
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return DMenu::CurrentMenu->MenuEvent(MKEY_Enter, true);
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}
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return false;
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}
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int FOptionMenuItem::GetIndent()
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{
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if (mCentered) return 0;
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if (screen->GetWidth() < 640) return screen->GetWidth() / 2;
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const char *label = mLabel;
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if (*label == '$') label = GStrings(label+1);
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return OptionWidth(label);
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}
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void FOptionMenuItem::drawText(int x, int y, int color, const char * text, bool grayed)
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{
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DrawOptionText(x, y, color, text, grayed);
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}
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int FOptionMenuItem::drawLabel(int indent, int y, EColorRange color, bool grayed)
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{
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const char *label = mLabel;
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if (*label == '$') label = GStrings(label+1);
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int x;
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int w = OptionWidth(label) * CleanXfac_1;
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if (!mCentered) x = indent - w;
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else x = (screen->GetWidth() - w) / 2;
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DrawOptionText(x, y, color, label, grayed);
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return x;
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}
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void FOptionMenuItem::drawValue(int indent, int y, int color, const char *text, bool grayed)
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{
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DrawOptionText(indent + CursorSpace(), y, color, text, grayed);
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}
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int FOptionMenuItem::CursorSpace()
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{
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return (14 * CleanXfac_1);
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}
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void FOptionMenuDescriptor::CalcIndent()
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{
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// calculate the menu indent
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int widest = 0, thiswidth;
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for (unsigned i = 0; i < mItems.Size(); i++)
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{
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thiswidth = mItems[i]->GetIndent();
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if (thiswidth > widest) widest = thiswidth;
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}
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mIndent = widest + 4;
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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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FOptionMenuItem *FOptionMenuDescriptor::GetItem(FName name)
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{
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for(unsigned i=0;i<mItems.Size(); i++)
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{
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FName nm = mItems[i]->GetAction(NULL);
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if (nm == name) return mItems[i];
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}
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return NULL;
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}
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