mirror of
https://github.com/ZDoom/gzdoom.git
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281 lines
7.8 KiB
C++
281 lines
7.8 KiB
C++
/*
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** listmenu.cpp
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** A simple menu consisting of a list of 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_video.h"
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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 "g_level.h"
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#include "gi.h"
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#include "d_gui.h"
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#include "d_event.h"
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#include "menu/menu.h"
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IMPLEMENT_CLASS(DListMenu, false, false)
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IMPLEMENT_POINTERS_START(DListMenu)
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IMPLEMENT_POINTER(mFocusControl)
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IMPLEMENT_POINTERS_END
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//=============================================================================
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//
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//
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//
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//=============================================================================
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DListMenu::DListMenu(DMenu *parent, DListMenuDescriptor *desc)
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: DMenu(parent)
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{
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mDesc = NULL;
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if (desc != NULL) 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 DListMenu::Init(DMenu *parent, DListMenuDescriptor *desc)
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{
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mParentMenu = parent;
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GC::WriteBarrier(this, parent);
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mDesc = desc;
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if (desc->mCenter)
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{
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int center = 160;
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for(unsigned i=0;i<mDesc->mItems.Size(); i++)
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{
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int xpos = mDesc->mItems[i]->GetX();
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int width = mDesc->mItems[i]->GetWidth();
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int curx = mDesc->mSelectOfsX;
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if (width > 0 && mDesc->mItems[i]->Selectable())
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{
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int 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(unsigned 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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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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DMenuItemBase *DListMenu::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 DListMenu::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_KeyDown)
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{
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int ch = tolower (ev->data1);
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for(unsigned i = mDesc->mSelectedItem + 1; i < mDesc->mItems.Size(); i++)
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{
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if (mDesc->mItems[i]->CheckHotkey(ch))
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{
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mDesc->mSelectedItem = i;
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S_Sound(CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
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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]->CheckHotkey(ch))
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{
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mDesc->mSelectedItem = i;
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S_Sound(CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
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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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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 DListMenu::MenuEvent (int mkey, bool fromcontroller)
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{
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int oldSelect = mDesc->mSelectedItem;
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int startedAt = mDesc->mSelectedItem;
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if (startedAt < 0) startedAt = 0;
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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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S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
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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 >= (int)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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S_Sound (CHAN_VOICE | CHAN_UI, "menu/cursor", snd_menuvolume, ATTN_NONE);
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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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S_Sound (CHAN_VOICE | CHAN_UI, "menu/choose", snd_menuvolume, ATTN_NONE);
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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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bool DListMenu::MouseEvent(int type, int x, int y)
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{
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int sel = -1;
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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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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(unsigned i=0;i<mDesc->mItems.Size(); i++)
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{
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if (mDesc->mItems[i]->CheckCoordinate(x, y))
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{
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if ((int)i != mDesc->mSelectedItem)
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{
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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->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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void DListMenu::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 DListMenu::Drawer ()
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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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if (mDesc->mItems[i]->mEnabled) mDesc->mItems[i]->Drawer(mDesc->mSelectedItem == (int)i);
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}
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if (mDesc->mSelectedItem >= 0 && mDesc->mSelectedItem < (int)mDesc->mItems.Size())
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mDesc->mItems[mDesc->mSelectedItem]->DrawSelector(mDesc->mSelectOfsX, mDesc->mSelectOfsY, mDesc->mSelector);
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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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IMPLEMENT_CLASS(DMenuItemBase, false, false)
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