Src/PropCodepage.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 //    WinMerge:  an interactive diff/merge utility
   3 //    Copyright (C) 1997-2000  Thingamahoochie Software
   4 //    Author: Dean Grimm
   5 //    SPDX-License-Identifier: GPL-2.0-or-later
   6 /////////////////////////////////////////////////////////////////////////////
   7 /**
   8  * @file  PropCodepage.cpp
   9  *
  10  * @brief Implementation file for PropCodepage propertyheet
  11  *
  12  */
  13
  14 #include "stdafx.h"
  15 #include "PropCodepage.h"
  16 #include "common/unicoder.h"
  17 #include "common/ExConverter.h"
  18 #include "OptionsDef.h"
  19 #include "OptionsMgr.h"
  20 #include "OptionsPanel.h"
  21 #include "charsets.h"
  22
  23 #ifdef _DEBUG
  24 #define new DEBUG_NEW
  25 #endif
  26
  27 PropCodepage::PropCodepage(COptionsMgr *optionsMgr)
  28  : OptionsPanel(optionsMgr, PropCodepage::IDD)
  29 , m_nCodepageSystem(-1)
  30 , m_nCustomCodepageValue(0)
  31 , m_bDetectCodepage(false)
  32 , m_bDetectCodepage2(false)
  33 , m_nAutodetectType(50001)
  34 {
  35 }
  36
  37 void PropCodepage::DoDataExchange(CDataExchange* pDX)
  38 {
  39         CPropertyPage::DoDataExchange(pDX);
  40         //{{AFX_DATA_MAP(PropCodepage)
  41         DDX_Radio(pDX, IDC_CP_SYSTEM, m_nCodepageSystem);
  42         DDX_Text(pDX, IDC_CUSTOM_CP_NUMBER, m_cCustomCodepageValue);
  43         DDX_Check(pDX, IDC_DETECT_CODEPAGE, m_bDetectCodepage);
  44         DDX_Check(pDX, IDC_DETECT_CODEPAGE2, m_bDetectCodepage2);
  45         DDX_Control(pDX, IDC_CUSTOM_CP_NUMBER, m_comboCustomCodepageValue);
  46         DDX_Control(pDX, IDC_DETECT_AUTODETECTTYPE, m_comboAutodetectType);
  47         //}}AFX_DATA_MAP
  48 }
  49
  50
  51 BEGIN_MESSAGE_MAP(PropCodepage, OptionsPanel)
  52         //{{AFX_MSG_MAP(PropCodepage)
  53         ON_BN_CLICKED(IDC_CP_SYSTEM, OnCpSystem)
  54         ON_BN_CLICKED(IDC_CP_CUSTOM, OnCpCustom)
  55         ON_BN_CLICKED(IDC_DETECT_CODEPAGE2, OnDetectCodepage2)
  56         ON_CBN_SELCHANGE(IDC_DETECT_AUTODETECTTYPE, OnDetectAutodetecttype)
  57         ON_BN_CLICKED(IDC_CP_UI, OnCpUi)
  58         //}}AFX_MSG_MAP
  59 END_MESSAGE_MAP()
  60
  61 /**
  62  * @brief Reads options values from storage to UI.
  63  */
  64 void PropCodepage::ReadOptions()
  65 {
  66         m_nCodepageSystem = GetOptionsMgr()->GetInt(OPT_CP_DEFAULT_MODE);
  67         m_nCustomCodepageValue = GetOptionsMgr()->GetInt(OPT_CP_DEFAULT_CUSTOM);
  68         m_cCustomCodepageValue = strutils::to_str(m_nCustomCodepageValue);
  69         m_bDetectCodepage = GetOptionsMgr()->GetInt(OPT_CP_DETECT) & 1;
  70         m_bDetectCodepage2 = (GetOptionsMgr()->GetInt(OPT_CP_DETECT) & 2) != 0;
  71         m_nAutodetectType = ((unsigned)GetOptionsMgr()->GetInt(OPT_CP_DETECT) >> 16);
  72         if (m_nAutodetectType == 0)
  73                 m_nAutodetectType = 50001;
  74 }
  75
  76 /**
  77  * @brief Writes options values from UI to storage.
  78  */
  79 void PropCodepage::WriteOptions()
  80 {
  81         GetOptionsMgr()->SaveOption(OPT_CP_DEFAULT_MODE, (int)m_nCodepageSystem);
  82         GetEncodingCodePageFromNameString();
  83         GetOptionsMgr()->SaveOption(OPT_CP_DEFAULT_CUSTOM, (int)m_nCustomCodepageValue);
  84         GetOptionsMgr()->SaveOption(OPT_CP_DETECT, (m_bDetectCodepage ? 1 : 0) | (m_bDetectCodepage2 << 1) | (m_nAutodetectType << 16));
  85 }
  86
  87 BOOL PropCodepage::OnInitDialog()
  88 {
  89         OptionsPanel::OnInitDialog();
  90
  91         // Enable/disable "Custom codepage" edit field
  92         EnableDlgItem(IDC_CUSTOM_CP_NUMBER, IsDlgButtonChecked(IDC_CP_CUSTOM) == 1);
  93         m_comboAutodetectType.EnableWindow(
  94                 IsDlgButtonChecked(IDC_DETECT_CODEPAGE2) == 1);
  95
  96         m_comboCustomCodepageValue.SetWindowText(strutils::to_str(m_nCustomCodepageValue).c_str());
  97
  98         IExconverter *pexconv = Exconverter::getInstance();
  99         if (pexconv != nullptr)
 100         {
 101                 std::vector<CodePageInfo> cpi = pexconv->enumCodePages();
 102                 size_t Index = 0;
 103                 for (size_t i = 0; i < cpi.size(); i++)
 104                 {
 105                         if (cpi[i].codepage == 1200 /* UNICODE */)
 106                                 continue;
 107                         String desc = strutils::format(_T("% 5d - %s"), cpi[i].codepage, cpi[i].desc);
 108                         Index = m_comboCustomCodepageValue.AddString(desc.c_str());
 109                         if (cpi[i].codepage == m_nCustomCodepageValue)
 110                                 m_comboCustomCodepageValue.SetCurSel(static_cast<int>(Index));
 111                 }
 112
 113                 static int ManualAddTypeList[] = {437, 850, 858, 860, 863, 861, 1200, 1201, 65000};
 114                 for (int i = 0; i < sizeof(ManualAddTypeList) / sizeof(int); i++)
 115                 {
 116                         String desc;
 117                         pexconv->getCodepageDescription(ManualAddTypeList[i], desc);
 118                         desc = strutils::format(_T("% 5d - %s"), ManualAddTypeList[i], desc);
 119
 120                         if (m_comboCustomCodepageValue.FindStringExact(0, desc.c_str()) == CB_ERR)
 121                         {
 122                                 Index = m_comboCustomCodepageValue.AddString(desc.c_str());
 123                                 if (ManualAddTypeList[i] == m_nCustomCodepageValue)
 124                                         m_comboCustomCodepageValue.SetCurSel(static_cast<int>(Index));
 125                         }
 126                 }
 127
 128                 static int autodetectTypeList[] = {50001, 50936, 50950, 50932, 50949};
 129                 for (int i = 0; i < sizeof(autodetectTypeList)/sizeof(int); i++)
 130                 {
 131                         String desc;
 132                         pexconv->getCodepageDescription(autodetectTypeList[i], desc);
 133                         m_comboAutodetectType.AddString(desc.c_str());
 134                         m_comboAutodetectType.SetItemData(i, autodetectTypeList[i]);
 135                         if (m_nAutodetectType == autodetectTypeList[i])
 136                                 m_comboAutodetectType.SetCurSel(i);
 137                 }
 138         }
 139
 140         return TRUE;  // return TRUE unless you set the focus to a control
 141                       // EXCEPTION: OCX Property Pages should return FALSE
 142 }
 143
 144 void PropCodepage::OnCpSystem()
 145 {
 146         EnableDlgItem(IDC_CUSTOM_CP_NUMBER, false);
 147 }
 148
 149 void PropCodepage::OnCpCustom()
 150 {
 151         EnableDlgItem(IDC_CUSTOM_CP_NUMBER, true);
 152 }
 153
 154 void PropCodepage::OnDetectCodepage2()
 155 {
 156         m_comboAutodetectType.EnableWindow(
 157                 IsDlgButtonChecked(IDC_DETECT_CODEPAGE2) == 1);
 158 }
 159
 160 void PropCodepage::OnDetectAutodetecttype()
 161 {
 162         m_nAutodetectType = static_cast<int>(m_comboAutodetectType.GetItemData(m_comboAutodetectType.GetCurSel()));
 163 }
 164
 165 void PropCodepage::OnCpUi()
 166 {
 167         EnableDlgItem(IDC_CUSTOM_CP_NUMBER, false);
 168 }
 169
 170 void PropCodepage::GetEncodingCodePageFromNameString()
 171 {
 172         int nCustomCodepageValue = _ttol(m_cCustomCodepageValue.c_str());
 173         if (nCustomCodepageValue == 0)
 174                 nCustomCodepageValue = GetEncodingCodePageFromName(ucr::toSystemCP(m_cCustomCodepageValue).c_str());
 175         //if found a new codepage valid
 176         if (nCustomCodepageValue)
 177                 m_nCustomCodepageValue = nCustomCodepageValue;
 178 }