src/Utils/TreePropSheet/PropPageFrame.cpp

   1 /********************************************************************
   2 *
   3 * Copyright (c) 2002 Sven Wiegand <mail@sven-wiegand.de>
   4 *
   5 * You can use this and modify this in any way you want,
   6 * BUT LEAVE THIS HEADER INTACT.
   7 *
   8 * Redistribution is appreciated.
   9 *
  10 * $Workfile:$
  11 * $Revision:$
  12 * $Modtime:$
  13 * $Author:$
  14 *
  15 * Revision History:
  16 *       $History:$
  17 *
  18 *********************************************************************/
  19
  20 #include "stdafx.h"
  21 #include "PropPageFrame.h"
  22
  23 #ifdef _DEBUG
  24 #define new DEBUG_NEW
  25 #undef THIS_FILE
  26 static char THIS_FILE[] = __FILE__;
  27 #endif
  28
  29
  30
  31 namespace TreePropSheet
  32 {
  33
  34
  35 //-------------------------------------------------------------------
  36 // class CPropPageFrame
  37 //-------------------------------------------------------------------
  38
  39 CPropPageFrame::CPropPageFrame()
  40 :       m_bShowCaption(FALSE),
  41         m_nCaptionHeight(0),
  42         m_hCaptionIcon(nullptr),
  43         m_dwMsgFormat(DT_CENTER|DT_VCENTER|DT_NOPREFIX|DT_SINGLELINE),
  44         m_uiFont(nullptr)
  45 {
  46         NONCLIENTMETRICS metrics = { 0 };
  47         metrics.cbSize = sizeof(NONCLIENTMETRICS);
  48         SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &metrics, FALSE);
  49         m_uiFont = CreateFontIndirect(&metrics.lfMessageFont);
  50 }
  51
  52
  53 CPropPageFrame::~CPropPageFrame()
  54 {
  55         if (m_uiFont)
  56                 DeleteObject(m_uiFont);
  57 }
  58
  59
  60 /////////////////////////////////////////////////////////////////////
  61 // Operations
  62
  63
  64 void CPropPageFrame::ShowCaption(BOOL bEnable)
  65 {
  66         m_bShowCaption = bEnable;
  67         SafeUpdateWindow(CalcCaptionArea());
  68 }
  69
  70
  71 BOOL CPropPageFrame::GetShowCaption() const
  72 {
  73         return m_bShowCaption;
  74 }
  75
  76
  77 void CPropPageFrame::SetCaption(LPCTSTR lpszCaption, HICON hIcon /*= nullptr*/)
  78 {
  79         m_strCaption = lpszCaption;
  80         m_hCaptionIcon = hIcon;
  81         SafeUpdateWindow(CalcCaptionArea());
  82 }
  83
  84
  85 CString CPropPageFrame::GetCaption(HICON* pIcon /* = nullptr */) const
  86 {
  87         if (pIcon)
  88                 *pIcon = m_hCaptionIcon;
  89         return m_strCaption;
  90 }
  91
  92
  93 void CPropPageFrame::SetCaptionHeight(int nCaptionHeight)
  94 {
  95         m_nCaptionHeight = nCaptionHeight;
  96         SafeUpdateWindow(CalcCaptionArea());
  97 }
  98
  99
 100 int CPropPageFrame::GetCaptionHeight() const
 101 {
 102         return m_nCaptionHeight;
 103 }
 104
 105
 106 void CPropPageFrame::SetMsgText(LPCTSTR lpszMsg)
 107 {
 108         m_strMsg = lpszMsg;
 109         SafeUpdateWindow(CalcMsgArea());
 110 }
 111
 112
 113 CString CPropPageFrame::GetMsgText() const
 114 {
 115         return m_strMsg;
 116 }
 117
 118
 119 void CPropPageFrame::SetMsgFormat(DWORD dwFormat)
 120 {
 121         m_dwMsgFormat = dwFormat;
 122         SafeUpdateWindow(CalcMsgArea());
 123 }
 124
 125
 126 DWORD CPropPageFrame::GetMsgFormat() const
 127 {
 128         return m_dwMsgFormat;
 129 }
 130
 131
 132 /////////////////////////////////////////////////////////////////////
 133 // Overridable implementation helpers
 134
 135 void CPropPageFrame::Draw(CDC *pDc)
 136 {
 137         if (GetShowCaption())
 138                 DrawCaption(pDc, CalcCaptionArea(), m_strCaption, m_hCaptionIcon);
 139         DrawMsg(pDc, CalcMsgArea(), m_strMsg, m_dwMsgFormat);
 140 }
 141
 142
 143 CRect CPropPageFrame::CalcMsgArea()
 144 {
 145         ASSERT(IsWindow(GetWnd()->GetSafeHwnd()));
 146
 147         CRect   rectMsg;
 148         GetWnd()->GetClientRect(rectMsg);
 149         if (GetShowCaption())
 150                 rectMsg.top+= GetCaptionHeight();
 151
 152         return rectMsg;
 153 }
 154
 155
 156 void CPropPageFrame::DrawMsg(CDC *pDc, CRect rect, LPCTSTR /*lpszMsg*/, DWORD /*dwFormat*/)
 157 {
 158         auto hOldFont = pDc->SelectObject(m_uiFont);
 159         int             nPrevBkMode = pDc->SetBkMode(TRANSPARENT);
 160
 161         pDc->DrawText(GetMsgText(), rect, GetMsgFormat());
 162
 163         pDc->SetBkMode(nPrevBkMode);
 164         pDc->SelectObject(hOldFont);
 165 }
 166
 167
 168 CRect   CPropPageFrame::CalcCaptionArea()
 169 {
 170         ASSERT(IsWindow(GetWnd()->GetSafeHwnd()));
 171
 172         CRect   rectCaption;
 173         GetWnd()->GetClientRect(rectCaption);
 174         if (!GetShowCaption())
 175                 rectCaption.bottom = rectCaption.top;
 176         else
 177                 rectCaption.bottom = rectCaption.top+GetCaptionHeight();
 178
 179         return rectCaption;
 180 }
 181
 182
 183 void CPropPageFrame::DrawCaption(CDC * /*pDc*/, CRect /*rect*/, LPCTSTR /*lpszCaption*/, HICON /*hIcon*/)
 184 {
 185         // should be implemented by specialized classes
 186 }
 187
 188
 189 /////////////////////////////////////////////////////////////////////
 190 // Implementation helpers
 191
 192 void CPropPageFrame::SafeUpdateWindow(LPCRECT lpRect /* = nullptr */)
 193 {
 194         if (!IsWindow(GetWnd()->GetSafeHwnd()))
 195                 return;
 196
 197         GetWnd()->InvalidateRect(lpRect, TRUE);
 198 }
 199
 200
 201
 202 } //namespace TreePropSheet