src/TortoiseProc/Settings/SettingsPropPage.h

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2007-2010 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #pragma once
  20 #include "MessageBox.h"
  21
  22 /**
  23  * \ingroup TortoiseProc
  24  * Base class for all the settings property pages
  25  */
  26 class ISettingsPropPage : public CPropertyPage
  27 {
  28         DECLARE_DYNAMIC(ISettingsPropPage)
  29 public:
  30         // simple construction
  31         ISettingsPropPage();
  32         explicit ISettingsPropPage(UINT nIDTemplate, UINT nIDCaption = 0, DWORD dwSize = sizeof(PROPSHEETPAGE));
  33         explicit ISettingsPropPage(LPCTSTR lpszTemplateName, UINT nIDCaption = 0, DWORD dwSize = sizeof(PROPSHEETPAGE));
  34
  35         // extended construction
  36         ISettingsPropPage(UINT nIDTemplate, UINT nIDCaption,
  37                 UINT nIDHeaderTitle, UINT nIDHeaderSubTitle = 0, DWORD dwSize = sizeof(PROPSHEETPAGE));
  38         ISettingsPropPage(LPCTSTR lpszTemplateName, UINT nIDCaption,
  39                 UINT nIDHeaderTitle, UINT nIDHeaderSubTitle = 0, DWORD dwSize = sizeof(PROPSHEETPAGE));
  40
  41         virtual ~ISettingsPropPage();
  42
  43         enum SettingsRestart
  44         {
  45                 Restart_None = 0,
  46                 Restart_System = 1,
  47                 Restart_Cache = 2
  48         };
  49
  50         /**
  51          * Returns the icon ID
  52          */
  53         virtual UINT GetIconID() = 0;
  54
  55         /**
  56          * Returns the restart code
  57          */
  58         virtual SettingsRestart GetRestart() {return m_restart;}
  59
  60 protected:
  61
  62         SettingsRestart m_restart;
  63
  64         /**
  65         * Adjusts the size of a checkbox or radio button control.
  66         * Since we always make the size of those bigger than 'necessary'
  67         * for making sure that translated strings can fit in those too,
  68         * this method can reduce the size of those controls again to only
  69         * fit the text.
  70         */
  71         void AdjustControlSize(UINT nID)
  72         {
  73                 CWnd* pwndDlgItem = GetDlgItem(nID);
  74                 if (!pwndDlgItem)
  75                         return;
  76                 // adjust the size of the control to fit its content
  77                 CString sControlText;
  78                 pwndDlgItem->GetWindowText(sControlText);
  79                 // next step: find the rectangle the control text needs to
  80                 // be displayed
  81
  82                 CDC* pDC = pwndDlgItem->GetWindowDC();
  83                 RECT controlrect;
  84                 RECT controlrectorig;
  85                 pwndDlgItem->GetWindowRect(&controlrect);
  86                 ::MapWindowPoints(nullptr, GetSafeHwnd(), (LPPOINT)&controlrect, 2);
  87                 controlrectorig = controlrect;
  88                 if (pDC)
  89                 {
  90                         CFont* font = pwndDlgItem->GetFont();
  91                         CFont* pOldFont = pDC->SelectObject(font);
  92                         if (pDC->DrawText(sControlText, -1, &controlrect, DT_WORDBREAK | DT_EDITCONTROL | DT_EXPANDTABS | DT_LEFT | DT_CALCRECT))
  93                         {
  94                                 // now we have the rectangle the control really needs
  95                                 if ((controlrectorig.right - controlrectorig.left) > (controlrect.right - controlrect.left))
  96                                 {
  97                                         // we're dealing with radio buttons and check boxes,
  98                                         // which means we have to add a little space for the checkbox
  99                                         // the value of 3 pixels added here is necessary in case certain visual styles have
 100                                         // been disabled. Without this, the width is calculated too short.
 101                                         const int checkWidth = GetSystemMetrics(SM_CXMENUCHECK) + 2 * GetSystemMetrics(SM_CXEDGE) + 3;
 102                                         controlrectorig.right = controlrectorig.left + (controlrect.right - controlrect.left) + checkWidth;
 103                                         pwndDlgItem->MoveWindow(&controlrectorig);
 104                                 }
 105                         }
 106                         pDC->SelectObject(pOldFont);
 107                         ReleaseDC(pDC);
 108                 }
 109                 return;
 110         }
 111
 112     /**
 113      * Utility method:
 114      * Store the current value of a BOOL, DWORD or CString into the
 115      * respective CRegDWORD etc. and check for success.
 116      */
 117
 118     template<class T, class Reg>
 119     void Store (const T& value, Reg& registryKey)
 120     {
 121         registryKey = value;
 122             if (registryKey.GetLastError() != ERROR_SUCCESS)
 123                     CMessageBox::Show (m_hWnd, registryKey.getErrorString(), _T("TortoiseGit"), MB_ICONERROR);
 124     }
 125 };