mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-06-29 22:46:07 +02:00
502 lines
12 KiB
C++
502 lines
12 KiB
C++
/***************************************************************************
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* Copyright (C) 2011
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* by Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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***************************************************************************/
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#include "themes/Resources.h"
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#include "menu/menus.h"
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#include "gui_scrollbar.hpp"
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#include "utils/tools.h"
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GuiScrollbar::GuiScrollbar(int h, u8 m)
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{
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SelItem = 0;
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SelInd = 0;
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RowSize = 0;
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PageSize = 0;
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EntrieCount = 0;
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ScrollSpeed = 15;
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ButtonScroll = 0;
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ButtonScrollSpeed = 20;
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ScrollState = 0;
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pressedChan = -1;
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AllowDPad = true;
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MovePointer = false;
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Mode = m;
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listChanged.connect(this, &GuiScrollbar::setScrollboxPosition);
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scrollbarTop = Resources::GetImageData("scrollBarTop.png");
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scrollbarBottom = Resources::GetImageData("scrollBarBottom.png");
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scrollbarTile = Resources::GetImageData("scrollBarTile.png");
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arrowDown = Resources::GetImageData("scrollbar_arrowdown.png");
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arrowDownOver = Resources::GetImageData("scrollbar_arrowdown.png");
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arrowUp = Resources::GetImageData("scrollbar_arrowup.png");
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arrowUpOver = Resources::GetImageData("scrollbar_arrowup.png");
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scrollbarBox = Resources::GetImageData("scrollbar_box.png");
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scrollbarBoxOver = Resources::GetImageData("scrollbar_box.png");
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oneButtonScrollImgData = Resources::GetImageData("oneButtonScroll.png");
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height = h;
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width = MAX(scrollbarBox->GetWidth(), scrollbarTile->GetWidth());
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MinHeight = arrowUp->GetHeight();
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MaxHeight = height-scrollbarBox->GetHeight()-arrowDown->GetHeight();
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trigHeldA = new GuiTrigger;
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trigHeldA->SetHeldTrigger(-1, WPAD_BUTTON_A | WPAD_CLASSIC_BUTTON_A, PAD_BUTTON_A);
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int Tiles = (height-scrollbarTop->GetHeight()-scrollbarBottom->GetHeight())/4;
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int PositionY = 0;
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ButtonPositionX = 0;
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oneButtonScrollImg = new GuiImage(oneButtonScrollImgData);
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scrollbarTopImg = new GuiImage(scrollbarTop);
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scrollbarTopImg->SetParent(this);
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scrollbarTopImg->SetAlignment(ALIGN_CENTER, ALIGN_TOP);
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scrollbarTopImg->SetPosition(0, PositionY);
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PositionY += scrollbarTop->GetHeight();
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scrollbarTileImg = new GuiImage(scrollbarTile);
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scrollbarTileImg->SetParent(this);
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scrollbarTileImg->SetAlignment(ALIGN_CENTER, ALIGN_TOP);
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scrollbarTileImg->SetPosition(0, PositionY);
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scrollbarTileImg->SetTileVertical(Tiles);
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PositionY += Tiles*scrollbarTile->GetHeight();
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scrollbarBottomImg = new GuiImage(scrollbarBottom);
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scrollbarBottomImg->SetParent(this);
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scrollbarBottomImg->SetAlignment(ALIGN_CENTER, ALIGN_TOP);
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scrollbarBottomImg->SetPosition(0, PositionY);
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arrowDownImg = new GuiImage(arrowDown);
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arrowDownOverImg = new GuiImage(arrowDownOver);
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arrowUpImg = new GuiImage(arrowUp);
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arrowUpOverImg = new GuiImage(arrowUpOver);
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scrollbarBoxImg = new GuiImage(scrollbarBox);
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scrollbarBoxOverImg = new GuiImage(scrollbarBoxOver);
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arrowUpBtn = new GuiButton(arrowUpImg->GetWidth(), arrowUpImg->GetHeight());
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arrowUpBtn->SetParent(this);
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arrowUpBtn->SetImage(arrowUpImg);
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arrowUpBtn->SetImageOver(arrowUpOverImg);
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arrowUpBtn->SetAlignment(ALIGN_CENTER, ALIGN_TOP);
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arrowUpBtn->SetPosition(ButtonPositionX, 0);
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arrowUpBtn->SetHoldable(true);
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arrowUpBtn->SetTrigger(trigHeldA);
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arrowUpBtn->SetSoundOver(btnSoundOver);
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arrowUpBtn->SetSoundClick(btnSoundClick);
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arrowUpBtn->Held.connect(this, &GuiScrollbar::OnUpButtonHold);
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arrowDownBtn = new GuiButton(arrowDownImg->GetWidth(), arrowDownImg->GetHeight());
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arrowDownBtn->SetParent(this);
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arrowDownBtn->SetImage(arrowDownImg);
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arrowDownBtn->SetImageOver(arrowDownOverImg);
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arrowDownBtn->SetAlignment(ALIGN_CENTER, ALIGN_BOTTOM);
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arrowDownBtn->SetPosition(ButtonPositionX, 0);
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arrowDownBtn->SetHoldable(true);
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arrowDownBtn->SetTrigger(trigHeldA);
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arrowDownBtn->SetSoundOver(btnSoundOver);
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arrowDownBtn->SetSoundClick(btnSoundClick);
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arrowDownBtn->Held.connect(this, &GuiScrollbar::OnDownButtonHold);
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scrollbarBoxBtn = new GuiButton(scrollbarBoxImg->GetWidth(), scrollbarBoxImg->GetHeight());
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scrollbarBoxBtn->SetParent(this);
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scrollbarBoxBtn->SetImage(scrollbarBoxImg);
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scrollbarBoxBtn->SetImageOver(scrollbarBoxOverImg);
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scrollbarBoxBtn->SetAlignment(ALIGN_CENTER, ALIGN_TOP);
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scrollbarBoxBtn->SetPosition(ButtonPositionX, MinHeight);
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scrollbarBoxBtn->SetMinY(MinHeight);
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scrollbarBoxBtn->SetMaxY(MaxHeight);
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scrollbarBoxBtn->SetHoldable(true);
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scrollbarBoxBtn->SetTrigger(trigHeldA);
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scrollbarBoxBtn->Held.connect(this, &GuiScrollbar::OnBoxButtonHold);
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}
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GuiScrollbar::~GuiScrollbar()
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{
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delete scrollbarTop;
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delete scrollbarBottom;
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delete scrollbarTile;
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delete arrowDown;
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delete arrowDownOver;
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delete arrowUp;
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delete arrowUpOver;
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delete scrollbarBox;
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delete scrollbarBoxOver;
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delete oneButtonScrollImg;
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delete arrowUpBtn;
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delete arrowDownBtn;
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delete scrollbarBoxBtn;
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delete scrollbarTopImg;
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delete scrollbarBottomImg;
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delete scrollbarTileImg;
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delete arrowDownImg;
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delete arrowDownOverImg;
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delete arrowUpImg;
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delete arrowUpOverImg;
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delete scrollbarBoxImg;
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delete scrollbarBoxOverImg;
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delete oneButtonScrollImgData;
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delete trigHeldA;
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}
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void GuiScrollbar::ScrollOneUp()
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{
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if(Mode == ICONMODE)
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{
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if(SelInd+SelItem-RowSize >= 0)
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{
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SelItem = SelItem-RowSize;
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if(SelItem < 0)
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{
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// move list up by 1
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SelInd = SelInd-RowSize;
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SelItem = SelItem+RowSize;
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}
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}
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}
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else if(Mode == LISTMODE)
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{
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if(SelItem == 0 && SelInd > 0)
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{
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// move list up by 1
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--SelInd;
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}
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else if(SelInd+SelItem > 0)
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{
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--SelItem;
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}
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}
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}
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void GuiScrollbar::ScrollOneDown()
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{
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if(Mode == ICONMODE)
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{
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int i = RowSize;
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while(SelInd+SelItem+RowSize >= EntrieCount && i > 0 && SelItem > 0 && RowSize < EntrieCount)
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{
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--i;
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--SelItem;
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}
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if(SelInd+SelItem+RowSize < EntrieCount)
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{
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SelItem = SelItem+RowSize;
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if(SelItem >= PageSize)
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{
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// move list down by 1
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SelInd += RowSize;
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SelItem = SelItem-RowSize;
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}
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}
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}
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else if(Mode == LISTMODE)
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{
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if(SelInd+SelItem + 1 < EntrieCount)
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{
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if(SelItem == PageSize-1)
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{
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// move list down by 1
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SelInd++;
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}
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else
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{
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SelItem++;
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}
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}
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}
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}
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void GuiScrollbar::OnUpButtonHold(GuiButton *sender, int pointer, const POINT &p)
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{
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if(ScrollState < ScrollSpeed)
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return;
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ScrollOneUp();
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ScrollState = 0;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::OnDownButtonHold(GuiButton *sender, int pointer, const POINT &p)
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{
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if(ScrollState < ScrollSpeed)
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return;
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ScrollOneDown();
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ScrollState = 0;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::OnBoxButtonHold(GuiButton *sender, int pointer, const POINT &p)
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{
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if(ScrollState < ScrollSpeed)
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return;
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if(!userInput[pointer].wpad.ir.valid)
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return;
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int y = p.y-this->GetTop()-scrollbarBox->GetHeight()/2;
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int positionWiimote = LIMIT(y-MinHeight, 0, MaxHeight-MinHeight);
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int newSelected = (int) ((float) positionWiimote / (float) (MaxHeight-MinHeight) * (float) (EntrieCount-1));
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if(Mode == ICONMODE)
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{
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int rows = (int) floor(((float) (newSelected-SelInd-SelItem)) / ((float) RowSize));
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while(SelInd+rows*RowSize >= EntrieCount-PageSize+RowSize)
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rows--;
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int pageIndex = LIMIT(SelInd+rows*RowSize, 0, EntrieCount-1-RowSize);
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if(newSelected <= 0)
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SelItem = 0;
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else if(newSelected >= EntrieCount-1)
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SelItem = EntrieCount-1-pageIndex;
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SelInd = pageIndex;
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}
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else if(Mode == LISTMODE)
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{
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int diff = newSelected-SelInd-SelItem;
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if(newSelected <= 0)
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{
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SelItem = 0;
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SelInd = 0;
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}
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else if(newSelected >= EntrieCount-1)
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{
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SelItem = (PageSize-1 < EntrieCount-1) ? PageSize-1 : EntrieCount-1;
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SelInd = EntrieCount-PageSize;
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}
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else if(newSelected < PageSize && SelInd == 0 && diff < 0)
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{
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SelItem = MAX(SelItem+diff, 0);
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}
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else if(EntrieCount-newSelected < PageSize && SelInd == EntrieCount-PageSize && diff > 0)
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{
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SelItem = MIN(SelItem+diff, PageSize-1);
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}
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else
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{
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SelInd = LIMIT(SelInd+diff, 0, ((EntrieCount-PageSize < 0) ? 0 : EntrieCount-PageSize));
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}
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}
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ScrollState = 0;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::SetPageSize(int size)
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{
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if(PageSize == size)
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return;
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PageSize = size;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::SetRowSize(int size)
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{
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if(RowSize == size)
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return;
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RowSize = size;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::SetSelectedItem(int pos)
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{
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if(SelItem == pos)
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return;
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SelItem = pos;
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}
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void GuiScrollbar::SetSelectedIndex(int pos)
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{
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if(SelInd == pos)
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return;
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SelInd = pos;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::SetEntrieCount(int cnt)
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{
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if(EntrieCount == cnt)
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return;
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EntrieCount = cnt;
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listChanged(SelItem, SelInd);
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}
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void GuiScrollbar::setScrollboxPosition(int SelItem, int SelInd)
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{
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if(Mode == ICONMODE)
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{
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u8 row = (u8) floor((float) SelItem / (float) RowSize);
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int position = MinHeight+(MaxHeight-MinHeight)*(SelInd+row*RowSize)/(EntrieCount-1);
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if(position < MinHeight)
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position = MinHeight;
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else if(position > MaxHeight || ((SelInd+PageSize >= (EntrieCount-1)) && row > 1))
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position = MaxHeight;
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scrollbarBoxBtn->SetPosition(ButtonPositionX, position);
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}
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else if(Mode == LISTMODE)
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{
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int position = MinHeight+(MaxHeight-MinHeight)*(SelInd+SelItem)/(EntrieCount-1);
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if(position < MinHeight)
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position = MinHeight;
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else if(position > MaxHeight || (SelInd+SelItem >= EntrieCount-1))
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position = MaxHeight;
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scrollbarBoxBtn->SetPosition(ButtonPositionX, position);
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}
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}
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void GuiScrollbar::CheckDPadControls(GuiTrigger *t)
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{
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if(t->Up())
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{
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ScrollOneUp();
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listChanged(SelItem, SelInd);
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MovePointer = true;
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}
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else if(t->Down())
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{
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ScrollOneDown();
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listChanged(SelItem, SelInd);
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MovePointer = true;
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}
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else if(t->Left() && Mode == LISTMODE)
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{
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SelInd -= PageSize;
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if(SelInd < 0)
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{
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SelInd = 0;
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SelItem = 0;
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}
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listChanged(SelItem, SelInd);
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MovePointer = true;
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}
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else if(t->Right() && Mode == LISTMODE)
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{
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SelInd += PageSize;
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if(SelInd+PageSize >= EntrieCount)
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{
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SelInd = MAX(EntrieCount-PageSize, 0);
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SelItem = LIMIT(PageSize-1, 0, EntrieCount-1);
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}
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listChanged(SelItem, SelInd);
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MovePointer = true;
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}
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if(MovePointer)
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{
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int selHeight = (arrowDownBtn->GetTop()+arrowDownBtn->GetHeight()-arrowUpBtn->GetTop())/PageSize;
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int position = arrowUpBtn->GetTop()+(selHeight*SelItem)+(selHeight/2);
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for (int i = 3; i >= 0; i--)
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pointer[i]->SetPosition(scrollbarBoxBtn->GetLeft()-22, position, 0);
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MovePointer = false;
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}
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}
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void GuiScrollbar::ScrollByButton(GuiTrigger *t)
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{
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static int pressedPosition = -1;
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if(!t->wpad.ir.valid || ScrollState < ButtonScrollSpeed-ButtonScrollSpeed*fabs(pressedPosition-t->wpad.ir.y)/250.f)
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return;
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if(pressedChan == -1 && (t->wpad.btns_d & ButtonScroll) &&
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parentElement && parentElement->IsInside(t->wpad.ir.x, t->wpad.ir.y))
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{
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pressedPosition = t->wpad.ir.y;
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pressedChan = t->chan;
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oneButtonScrollImg->SetPosition(t->wpad.ir.x-oneButtonScrollImg->GetWidth()/2, t->wpad.ir.y-oneButtonScrollImg->GetHeight()/2);
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}
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if(pressedChan == t->chan && (t->wpad.btns_h & ButtonScroll) )
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{
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if(pressedPosition-oneButtonScrollImg->GetHeight()/2 > t->wpad.ir.y)
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ScrollOneUp();
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else if(pressedPosition+oneButtonScrollImg->GetHeight()/2 < t->wpad.ir.y)
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ScrollOneDown();
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ScrollState = 0;
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listChanged(SelItem, SelInd);
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}
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if(pressedChan == t->chan && !t->wpad.btns_d && !t->wpad.btns_h)
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{
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pressedChan = -1;
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pressedPosition = -1;
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}
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}
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void GuiScrollbar::Draw()
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{
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if(PageSize <= EntrieCount)
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{
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scrollbarTileImg->Draw();
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scrollbarTopImg->Draw();
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scrollbarBottomImg->Draw();
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arrowUpBtn->Draw();
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arrowDownBtn->Draw();
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scrollbarBoxBtn->Draw();
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}
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if(pressedChan >= 0 && userInput[pressedChan].wpad.ir.valid)
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oneButtonScrollImg->Draw();
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UpdateEffects();
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}
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void GuiScrollbar::Update(GuiTrigger * t)
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{
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if(PageSize <= EntrieCount)
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{
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arrowUpBtn->Update(t);
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arrowDownBtn->Update(t);
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scrollbarBoxBtn->Update(t);
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}
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if(AllowDPad)
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CheckDPadControls(t);
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if(ButtonScroll)
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ScrollByButton(t);
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++ScrollState;
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}
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