src/TortoiseMerge/Settings.h

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2018-2019, 2023 - TortoiseGit
   4 // Copyright (C) 2006, 2009, 2015, 2018, 2020 - TortoiseSVN
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #pragma once
  21 #include "DPIAware.h"
  22
  23 class CSetMainPage;
  24 class CSetColorPage;
  25
  26 /**
  27  * \ingroup TortoiseMerge
  28  * This is the container for all settings pages. A setting page is
  29  * a class derived from CPropertyPage with an additional method called
  30  * SaveData(). The SaveData() method is used by the dialog to save
  31  * the settings the user has made - if that method is not called then
  32  * it means that the changes are discarded! Each settings page has
  33  * to make sure that no changes are saved outside that method.
  34  *
  35  */
  36 class CSettings : public CPropertySheet
  37 {
  38         DECLARE_DYNAMIC(CSettings)
  39 private:
  40         /**
  41          * Adds all pages to this Settings-Dialog.
  42          */
  43         void AddPropPages();
  44         /**
  45          * Removes the pages and frees up memory.
  46          */
  47         void RemovePropPages();
  48
  49         void BuildPropPageArray() override
  50         {
  51                 CPropertySheet::BuildPropPageArray();
  52
  53                 // create a copy of existing PROPSHEETPAGE array which can be modified
  54                 int nPages = static_cast<int>(m_pages.GetSize());
  55                 int nBytes = 0;
  56                 for (decltype(nPages) i = 0; i < nPages; ++i)
  57                 {
  58                         auto pPage = GetPage(i);
  59                         nBytes += pPage->m_psp.dwSize;
  60                 }
  61                 auto ppsp0 = static_cast<LPPROPSHEETPAGE>(malloc(nBytes));
  62                 Checked::memcpy_s(ppsp0, nBytes, m_psh.ppsp, nBytes);
  63                 auto ppsp = ppsp0;
  64                 for (decltype(nPages) i = 0; i < nPages; ++i)
  65                 {
  66                         const DLGTEMPLATE* pResource = ppsp->pResource;
  67                         CDialogTemplate dlgTemplate(pResource);
  68                         dlgTemplate.SetFont(L"Segoe UI", 9);
  69                         HGLOBAL hNew = GlobalAlloc(GPTR, dlgTemplate.m_dwTemplateSize);
  70                         ppsp->pResource = static_cast<DLGTEMPLATE*>(GlobalLock(hNew));
  71                         Checked::memcpy_s(const_cast<void*>(static_cast<const void*>(ppsp->pResource)), dlgTemplate.m_dwTemplateSize, dlgTemplate.m_hTemplate, dlgTemplate.m_dwTemplateSize);
  72                         GlobalUnlock(hNew);
  73                         reinterpret_cast<BYTE*&>(ppsp) += ppsp->dwSize;
  74                 }
  75                 // free existing PROPSHEETPAGE array and assign the new one
  76                 free((void*)m_psh.ppsp);
  77                 m_psh.ppsp = ppsp0;
  78         }
  79
  80 private:
  81         CSetMainPage*           m_pMainPage = nullptr;
  82         CSetColorPage*          m_pColorPage = nullptr;
  83
  84         int m_themeCallbackId = 0;
  85
  86 public:
  87         CSettings(UINT nIDCaption, CWnd* pParentWnd = nullptr, UINT iSelectPage = 0);
  88         CSettings(LPCWSTR pszCaption, CWnd* pParentWnd = nullptr, UINT iSelectPage = 0);
  89         virtual ~CSettings();
  90
  91         /**
  92          * Calls the SaveData()-methods of each of the settings pages.
  93          */
  94         void SaveData();
  95
  96         BOOL IsReloadNeeded() const;
  97         bool IsDarkMode() const;
  98
  99 protected:
 100         DECLARE_MESSAGE_MAP()
 101         BOOL OnInitDialog() override;
 102 };
 103
 104