385 lines
9.6 KiB
C++
385 lines
9.6 KiB
C++
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/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORP., 1993-1995
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* TITLE: FUELBAR.CPP
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* VERSION: 1.0
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* AUTHOR: jsenior
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* DATE: 10/28/1998
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*
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********************************************************************************
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*
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* CHANGE LOG:
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*
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* DATE REV DESCRIPTION
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* ---------- ------- ----------------------------------------------------------
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* 10/28/1998 jsenior Original implementation.
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*
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*******************************************************************************/
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#include "FuelBar.h"
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#include "debug.h"
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#include <assert.h>
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const int FuelBar::NoImage = -1;
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const LPVOID FuelBar::NoID = (const LPVOID) -1;
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FuelBar::FuelBar() : currentTotalValue(0), highlightID(NoID),
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maxValue(100), calcRects(FALSE), hImageList(0)
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{
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GetSysColors();
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}
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FuelBar::~FuelBar()
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{
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Clear();
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}
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BOOL FuelBar::SubclassDlgItem( UINT nID, HWND hParent)
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{
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hwnd = GetDlgItem(hParent, nID);
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FuelSetWindowLongPtr(hwnd, FUELGWLP_USERDATA, (FUELLONG_PTR) this);
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prevWndProc = (WNDPROC) FuelSetWindowLongPtr(hwnd,
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FUELGWLP_WNDPROC,
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(FUELDWORD_PTR) StaticWndProc);
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return TRUE;
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}
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UINT FuelBar::AddItem(UINT Value, LPVOID ID, int ImageIndex)
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{
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FuelBarItem item;
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if (!Value)
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return 0;
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if (currentTotalValue + Value > maxValue)
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return 0;
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currentTotalValue += Value;
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item.value = Value;
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item.id = ID;
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item.imageIndex = ImageIndex;
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items.push_back(item);
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calcRects = TRUE;
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return currentTotalValue;
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}
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BOOL FuelBar::RemoveItem(LPVOID ID)
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{
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if (highlightID == ID) {
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highlightID = (LPVOID) NoID;
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}
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FuelBarItem *item;
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for (item = items.begin(); item; item = items.next()) {
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if (item->id == ID) {
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items.eraseCurrent();
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return TRUE;
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}
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}
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return FALSE;
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}
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void FuelBar::ClearItems()
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{
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Clear();
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InvalidateRect(hwnd, NULL, TRUE);
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}
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BOOL FuelBar::HighlightItem(LPVOID ID)
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{
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// do nothing if the id is the same
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if (ID == highlightID)
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return TRUE;
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FuelBarItem *item;
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highlightID = 0;
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//
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// Make sure that ID is indeed a member
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//
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for (item = items.begin(); item; item = items.next()) {
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if (item->id == ID) {
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highlightID = ID;
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break;
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}
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}
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// the total redrawing of the ctrl will erase the old and draw the new
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InvalidateRect(hwnd, NULL, FALSE);
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if (ID != highlightID) {
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return FALSE;
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}
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return TRUE;
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}
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void FuelBar::Clear()
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{
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items.clear();
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currentTotalValue = 0;
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calcRects = TRUE;
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}
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void FuelBar::CalculateRects(const RECT& ClientRect)
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{
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FuelBarItem *item, *prevItem;
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if (items.empty()) {
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calcRects = FALSE;
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return;
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}
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item = items.begin();
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item->rect = ClientRect;
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item->rect.right = ClientRect.left + 1 +
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(item->value * (ClientRect.right - ClientRect.left))/maxValue;
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prevItem = item;
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for (item = items.next(); item; item = items.next()) {
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item->rect.top = prevItem->rect.top;
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item->rect.bottom = prevItem->rect.bottom;
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item->rect.left = prevItem->rect.right;
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// Fill rect does not render the outside edge
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item->rect.right = item->rect.left + 1 +
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(item->value * (ClientRect.right - ClientRect.left))/maxValue;
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prevItem = item;
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}
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// make sure that if the bar is full, that the last item is rendered to
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// the edge of the entire bar
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if (currentTotalValue == maxValue)
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item->rect.right = ClientRect.right;
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calcRects = FALSE;
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}
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void FuelBar::SetImageList(HIMAGELIST ImageList)
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{
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IMAGEINFO imageInfo;
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hImageList = ImageList;
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ZeroMemory(&imageInfo, sizeof(IMAGEINFO));
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if (ImageList_GetImageInfo(hImageList, 0, &imageInfo)) {
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imageWidth = imageInfo.rcImage.right - imageInfo.rcImage.left;
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imageHeight = imageInfo.rcImage.bottom - imageInfo.rcImage.top;
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}
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else {
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assert(FALSE);
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}
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}
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void FuelBar::GetSysColors()
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{
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colorFace = GetSysColor(COLOR_3DFACE);
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colorLight = GetSysColor(COLOR_3DHILIGHT);
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colorDark = GetSysColor(COLOR_3DSHADOW);
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colorUnused = GetSysColor(COLOR_WINDOW);
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}
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/////////////////////////////////////////////////////////////////////////////
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// FuelBar message handlers
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void FillSolidRect(HDC dc,
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LPCRECT rect,
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COLORREF color)
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{
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SetBkColor(dc, color);
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ExtTextOut(dc, 0, 0, ETO_OPAQUE, rect, NULL, 0, NULL);
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}
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void FillSolidRect(HDC dc, int x, int y, int cx, int cy, COLORREF color)
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{
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RECT rect;
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rect.left = x;
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rect.right = x + cx;
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rect.top = y;
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rect.bottom = y + cy;
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SetBkColor(dc, color);
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ExtTextOut(dc, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
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}
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void Draw3dRect(HDC dc,
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int x,
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int y,
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int cx,
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int cy,
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COLORREF clrTopLeft,
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COLORREF clrBottomRight,
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COLORREF clrFace)
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{
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FillSolidRect(dc, x, y, cx - 1, 1, clrTopLeft);
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FillSolidRect(dc, x, y, 1, cy - 1, clrTopLeft);
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FillSolidRect(dc, x + cx, y, -1, cy, clrBottomRight);
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FillSolidRect(dc, x, y + cy, cx, -1, clrBottomRight);
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FillSolidRect(dc, x+1, y+1, cx-2, cy-2, clrFace) ;
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}
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void FuelBar::OnPaint()
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{
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HDC dc;
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PAINTSTRUCT ps;
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RECT clientRect, *highlightRect, remainingRect;
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POINT pt;
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FuelBarItem *item, *prevItem;
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HBRUSH hBrush, hOldBrush;
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BOOL highlightFound = FALSE;
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dc = BeginPaint(hwnd, &ps);
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hBrush = CreateSolidBrush(colorFace);
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hOldBrush = (HBRUSH) SelectObject(dc, hBrush);
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GetClientRect(hwnd, &clientRect);
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FillSolidRect(dc, &clientRect, colorUnused);
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if (calcRects) {
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CalculateRects(clientRect);
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// FillSolidRect(dc, &clientRect, colorFace);
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}
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for (item = items.begin(); item; item = items.next()) {
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Draw3dRect(dc,
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item->rect.left,
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item->rect.top,
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item->rect.right - item->rect.left,
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item->rect.bottom - item->rect.top,
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colorLight,
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colorDark,
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colorFace);
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if (item->imageIndex != NoImage &&
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(item->rect.right - item->rect.left) > imageWidth) {
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// render the image in the center of the rectangle
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pt.x = item->rect.left +
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(item->rect.right - item->rect.left)/2 - (imageWidth)/2;
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pt.y = (item->rect.bottom - item->rect.top)/2 - (imageHeight)/2;
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ImageList_Draw(hImageList,
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item->imageIndex,
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dc,
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pt.x,
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pt.y,
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ILD_TRANSPARENT);
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}
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if (item->id == highlightID) {
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highlightRect = &item->rect;
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highlightFound = TRUE;
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}
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prevItem = item;
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}
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if (currentTotalValue < maxValue) {
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remainingRect = clientRect;
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if (!items.empty())
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remainingRect.left = prevItem->rect.right;
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FillSolidRect(dc, &remainingRect, colorUnused);
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}
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SelectObject(dc, hOldBrush);
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if (highlightFound) {
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// CPen pen(PS_SOLID, 1, RGB(0,0,0)), *oldPen;
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// oldPen = dc.SelectObject(&pen);
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HPEN hPen, hOldPen;
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hPen = CreatePen(PS_SOLID, 1, RGB(0,0,0));
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if (hPen) {
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hOldPen = (HPEN) SelectObject(dc, hPen);
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MoveToEx(dc, highlightRect->left, highlightRect->top, NULL);
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LineTo(dc, highlightRect->right-1, highlightRect->top);
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LineTo(dc, highlightRect->right-1, highlightRect->bottom-1);
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LineTo(dc, highlightRect->left, highlightRect->bottom-1);
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LineTo(dc, highlightRect->left, highlightRect->top);
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// dc.DrawFocusRect instead?
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SelectObject(dc, hOldPen);
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DeleteObject(hPen);
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}
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}
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EndPaint(hwnd, &ps);
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DeleteObject(hBrush);
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ValidateRect(hwnd, &clientRect);
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}
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BOOL FuelBar::OnToolTipNotify(UINT id, NMHDR * pNMHDR, LRESULT * pResult)
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{
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BOOL bHandledNotify = FALSE;
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#ifdef TOOL
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CPoint cursorPos;
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CRect clientRect;
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VERIFY(::GetCursorPos(&cursorPos));
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ScreenToClient(&cursorPos);
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GetClientRect(clientRect);
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// Make certain that the cursor is in the client rect, because the
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// mainframe also wants these messages to provide tooltips for the
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// toolbar.
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if (clientRect.PtInRect(cursorPos)) {
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FuelItem* item;
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int i;
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for (i = 0; i < items.GetSize(); i++) {
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item = (FuelItem*) items[i];
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}
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bHandledNotify = TRUE;
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}
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#endif
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return bHandledNotify;
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}
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void FuelBar::OnSysColorChange()
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{
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GetSysColors();
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}
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BOOL APIENTRY FuelBar::StaticWndProc(IN HWND hDlg,
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IN UINT uMessage,
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IN WPARAM wParam,
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IN LPARAM lParam)
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{
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FuelBar *that = (FuelBar*) FuelGetWindowLongPtr(hDlg, FUELGWLP_USERDATA);
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assert(that);
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switch (uMessage) {
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case WM_PAINT:
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that->OnPaint();
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break;
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}
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return (BOOL)CallWindowProc( (FUELPROC) that->prevWndProc,
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hDlg,
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uMessage,
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wParam,
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lParam);
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}
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LPVOID FuelBar::GetHighlightedItem()
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{
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return highlightID;
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}
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