321 lines
7.4 KiB
C++
321 lines
7.4 KiB
C++
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//-----------------------------------------------------------------------------
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// File: flexinfobox.cpp
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//
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// Desc: Implements a simple text box that displays a text string.
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// CFlexInfoBox is derived from CFlexWnd. It is used by the page
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// for displaying direction throughout the UI. The strings are
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// stored as resources. The class has a static buffer which will
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// be filled with the string by the resource API when needed.
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//
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// Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
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//-----------------------------------------------------------------------------
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#include "common.hpp"
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CFlexInfoBox::CFlexInfoBox() :
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m_iCurIndex(-1),
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m_rgbText(RGB(255,255,255)),
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m_rgbBk(RGB(0,0,0)),
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m_rgbSelText(RGB(0,0,255)),
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m_rgbSelBk(RGB(0,0,0)),
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m_rgbFill(RGB(0,0,255)),
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m_rgbLine(RGB(0,255,255)),
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m_hFont(NULL),
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m_bVertSB(FALSE),
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m_nSBWidth(11)
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{
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m_TextRect.top = 0;
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m_TextRect.left = 0;
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m_TextRect.bottom = 0;
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m_TextRect.right = 0;
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}
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CFlexInfoBox::~CFlexInfoBox()
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{
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}
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BOOL CFlexInfoBox::Create(HWND hParent, const RECT &rect, BOOL bVisible)
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{
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if (!CFlexWnd::Create(hParent, rect, bVisible))
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return FALSE;
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FLEXSCROLLBARCREATESTRUCT sbcs;
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sbcs.dwSize = sizeof(FLEXSCROLLBARCREATESTRUCT);
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sbcs.dwFlags = FSBF_VERT;
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sbcs.min = 0;
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sbcs.max = 3;
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sbcs.page = 1;
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sbcs.pos = 1;
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sbcs.hWndParent = m_hWnd;
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sbcs.hWndNotify = m_hWnd;
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RECT rc = {0, 0, 1, 1};
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sbcs.rect = rc;
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sbcs.bVisible = FALSE;
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return m_VertSB.Create(&sbcs);
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}
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void CFlexInfoBox::SetText(int iIndex)
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{
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if (iIndex == m_iCurIndex)
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return;
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// Load the string from resource
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LoadString(g_hModule, iIndex, m_tszText, MAX_PATH);
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// Calculate the rectangle for text
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RECT titlerc;
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m_TextRect = g_InfoWndRect;
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OffsetRect(&m_TextRect, -m_TextRect.left, -m_TextRect.top);
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InflateRect(&m_TextRect, -1, -1);
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titlerc = m_TextRect;
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HDC hDC = CreateCompatibleDC(NULL);
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if (hDC)
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{
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TCHAR tszResourceString[MAX_PATH];
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LoadString(g_hModule, IDS_INFO_TITLE, tszResourceString, MAX_PATH);
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DrawText(hDC, tszResourceString, -1, &titlerc, DT_CENTER|DT_NOPREFIX|DT_CALCRECT);
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m_TextRect.top = titlerc.bottom + 1;
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m_TextWinRect = m_TextRect;
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DrawText(hDC, m_tszText, -1, &m_TextRect, DT_CENTER|DT_NOPREFIX|DT_CALCRECT|DT_WORDBREAK);
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if (m_TextRect.bottom + 1 > g_InfoWndRect.bottom - g_InfoWndRect.top)
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{
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// Text too long. We need a scroll bar.
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m_TextRect.right -= m_nSBWidth;
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DrawText(hDC, m_tszText, -1, &m_TextRect, DT_CENTER|DT_NOPREFIX|DT_CALCRECT|DT_WORDBREAK);
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SetVertSB(TRUE);
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} else
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SetVertSB(FALSE);
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DeleteDC(hDC);
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}
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m_iCurIndex = iIndex;
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Invalidate();
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}
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void CFlexInfoBox::SetFont(HFONT hFont)
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{
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m_hFont = hFont;
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if (m_hWnd == NULL)
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return;
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Invalidate();
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}
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void CFlexInfoBox::SetColors(COLORREF text, COLORREF bk, COLORREF seltext, COLORREF selbk, COLORREF fill, COLORREF line)
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{
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m_rgbText = text;
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m_rgbBk = bk;
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m_rgbSelText = seltext;
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m_rgbSelBk = selbk;
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m_rgbFill = fill;
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m_rgbLine = line;
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m_VertSB.SetColors(m_rgbBk, m_rgbFill, m_rgbLine);
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Invalidate();
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}
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void CFlexInfoBox::SetRect()
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{
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if (m_hWnd == NULL)
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return;
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RECT rect = GetRect();
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SetWindowPos(m_hWnd, NULL, rect.left, rect.top, rect.right, rect.bottom, SWP_NOZORDER | SWP_NOMOVE);
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}
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RECT CFlexInfoBox::GetRect(const RECT &rect)
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{
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int h = GetTextHeight(m_hFont);
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RECT ret = {rect.left, rect.top, rect.right, rect.top + h + 2};
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return ret;
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}
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RECT CFlexInfoBox::GetRect()
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{
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RECT rect;
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GetClientRect(&rect);
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return GetRect(rect);
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}
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void CFlexInfoBox::OnPaint(HDC hDC)
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{
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HDC hBDC = NULL, hODC = NULL;
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CBitmap *pbm = NULL;
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if (!InRenderMode())
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{
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hODC = hDC;
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pbm = CBitmap::Create(GetClientSize(), RGB(0,0,0), hDC);
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if (pbm != NULL)
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{
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hBDC = pbm->BeginPaintInto();
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if (hBDC != NULL)
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{
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hDC = hBDC;
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}
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}
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}
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InternalPaint(hDC);
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if (!InRenderMode())
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{
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if (pbm != NULL)
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{
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if (hBDC != NULL)
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{
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pbm->EndPaintInto(hBDC);
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pbm->Draw(hODC);
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}
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delete pbm;
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}
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}
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}
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void CFlexInfoBox::InternalPaint(HDC hDC)
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{
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TCHAR tszResourceString[MAX_PATH];
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HGDIOBJ hPen = (HGDIOBJ)CreatePen(PS_SOLID, 1, m_rgbLine);
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if (hPen != NULL)
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{
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HGDIOBJ hOldPen = SelectObject(hDC, hPen);
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HGDIOBJ hBrush = (HGDIOBJ)CreateSolidBrush(m_rgbBk);
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if (hBrush != NULL)
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{
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HGDIOBJ hOldBrush = SelectObject(hDC, hBrush);
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RECT rect = {0,0,0,0}, titlerc;
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GetClientRect(&rect);
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titlerc = rect;
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Rectangle(hDC, rect.left, rect.top, rect.right, rect.bottom);
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InflateRect(&rect, -1, -1);
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SetBkMode(hDC, TRANSPARENT);
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LoadString(g_hModule, IDS_INFO_TITLE, tszResourceString, MAX_PATH);
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// Draw the message text
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SetTextColor(hDC, m_rgbText);
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rect = m_TextRect;
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// Offset the rectangle to account for scroll bar
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if (m_bVertSB)
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{
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OffsetRect(&rect, 0, -m_VertSB.GetPos());
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}
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DrawText(hDC, m_tszText, -1, &rect, DT_LEFT|DT_NOPREFIX|DT_WORDBREAK);
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GetClientRect(&rect);
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InflateRect(&rect, -1, -1);
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SetTextColor(hDC, m_rgbLine); // User line color for Information title
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// Get the title area rantangle
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DrawText(hDC, tszResourceString, -1, &titlerc, DT_CENTER|DT_NOPREFIX|DT_CALCRECT);
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// Adjust right edge position to old value
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titlerc.right = rect.right + 1;
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// Draw a rectangle around the title area.
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Rectangle(hDC, titlerc.left, titlerc.top, titlerc.right, titlerc.bottom);
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// Draw title text (Information)
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DrawText(hDC, tszResourceString, -1, &titlerc, DT_CENTER|DT_NOPREFIX);
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SelectObject(hDC, hOldBrush);
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DeleteObject(hBrush);
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}
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SelectObject(hDC, hOldPen);
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DeleteObject(hPen);
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}
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}
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void CFlexInfoBox::SetVertSB(BOOL bSet)
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{
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if (!bSet && !m_bVertSB)
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return;
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m_bVertSB = bSet;
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if (m_hWnd == NULL)
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return;
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SetVertSB();
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}
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void CFlexInfoBox::SetVertSB()
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{
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if (m_bVertSB)
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{
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SetSBValues();
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SIZE client = GetClientSize();
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client.cy = m_TextWinRect.bottom - m_TextWinRect.top;
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SetWindowPos(m_VertSB.m_hWnd, NULL, client.cx - m_nSBWidth - 1, m_TextRect.top, m_nSBWidth, client.cy - 1, SWP_NOZORDER);
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}
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ShowWindow(m_VertSB.m_hWnd, m_bVertSB ? SW_SHOW : SW_HIDE);
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}
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void CFlexInfoBox::SetSBValues()
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{
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if (m_hWnd == NULL)
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return;
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m_VertSB.SetValues(0, m_TextRect.bottom - m_TextRect.top, m_TextWinRect.bottom - m_TextWinRect.top, 0);
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}
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void CFlexInfoBox::OnWheel(POINT point, WPARAM wParam)
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{
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if (!m_bVertSB) return;
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if (m_VertSB.GetMin() == m_VertSB.GetMax()) return;
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int nPage = MulDiv(m_VertSB.GetPage(), 9, 10) >> 1; // Half a page at a time
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if ((int)wParam >= 0)
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m_VertSB.AdjustPos(-nPage);
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else
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m_VertSB.AdjustPos(nPage);
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Invalidate();
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}
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LRESULT CFlexInfoBox::WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch (msg)
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{
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case WM_FLEXVSCROLL:
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{
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int code = (int)wParam;
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CFlexScrollBar *pSB = (CFlexScrollBar *)lParam;
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if (!pSB)
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return 0;
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int nLine = 1;
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int nPage = MulDiv(pSB->GetPage(), 9, 10);
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switch (code)
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{
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case SB_LINEUP: pSB->AdjustPos(-nLine); break;
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case SB_LINEDOWN: pSB->AdjustPos(nLine); break;
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case SB_PAGEUP: pSB->AdjustPos(-nPage); break;
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case SB_PAGEDOWN: pSB->AdjustPos(nPage); break;
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case SB_THUMBTRACK: pSB->SetPos(pSB->GetThumbPos()); break;
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case SB_ENDSCROLL:
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::ReleaseCapture();
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break;
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}
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Invalidate();
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return 0;
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}
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default:
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if (msg == WM_LBUTTONDOWN)
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{
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HWND hWndParent;
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hWndParent = GetParent(hWnd);
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SendMessage(hWndParent, WM_UNHIGHLIGHT, 0, 0); // Send click message to page to unhighlight callout
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}
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return CFlexWnd::WndProc(hWnd, msg, wParam, lParam);
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}
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return 0;
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}
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