refactor: migrate windows specific content.
- move com, dialog and winfct function into new place. - add testbench for com and winfct. - dialog now still not working.
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304
src/yycc/windows/dialog.hpp
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304
src/yycc/windows/dialog.hpp
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#pragma once
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#include "../macro/os_detector.hpp"
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#include "../macro/stl_detector.hpp"
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#if defined(YYCC_OS_WINDOWS) && defined(YYCC_STL_MSSTL)
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#include "../macro/class_copy_move.hpp"
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#include "com.hpp"
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#include <string>
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#include <vector>
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#include <initializer_list>
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#include "import_guard_head.hpp"
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#include <Windows.h>
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#include <shlobj_core.h>
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#include "import_guard_tail.hpp"
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/**
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* @brief The namespace providing Windows universal dialog features.
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* @details
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* This namespace only available on Windows platform.
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* See also \ref dialog_helper.
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*/
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namespace yycc::windows::dialog {
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/**
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* @private
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* @brief The class representing the file types region in file dialog.
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* @details
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* This class is served for Windows used.
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* Programmer should \b not create this class manually.
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*/
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class WinFileFilters {
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friend class FileFilters;
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friend class WinFileDialog;
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public:
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WinFileFilters() : m_WinFilters(), m_WinDataStruct(nullptr) {}
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YYCC_DELETE_COPY_MOVE(WinFileFilters)
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/// @brief Get the count of available file filters
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UINT GetFilterCount() const { return static_cast<UINT>(m_WinFilters.size()); }
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/// @brief Get pointer to Windows used file filters declarations
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const COMDLG_FILTERSPEC* GetFilterSpecs() const { return m_WinDataStruct.get(); }
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protected:
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using WinFilterModes = std::wstring;
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using WinFilterName = std::wstring;
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using WinFilterPair = std::pair<WinFilterName, WinFilterModes>;
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std::vector<WinFilterPair> m_WinFilters;
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std::unique_ptr<COMDLG_FILTERSPEC[]> m_WinDataStruct;
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/// @brief Clear all current file filters
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void Clear() {
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m_WinDataStruct.reset();
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m_WinFilters.clear();
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}
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};
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/**
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* @brief The class representing the file types region in file dialog.
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* @details
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* This class is served for programmer using.
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* But you don't need create it on your own.
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* You can simply fetch it by FileDialog::ConfigreFileTypes ,
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* because this class is a part of FileDialog.
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*/
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class FileFilters {
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public:
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FileFilters() : m_Filters() {}
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YYCC_DELETE_COPY_MOVE(FileFilters)
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/**
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* @brief Add a filter pair in file types list.
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* @param[in] filter_name The friendly name of the filter.
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* @param[in] il
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* A C++ initialize list containing acceptable file filter pattern.
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* Every entries must be `const yycc_char8_t*` representing a single filter pattern.
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* The list at least should have one valid pattern.
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* This function will not validate these filter patterns, so please write them carefully.
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* @return True if added success, otherwise false.
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* @remarks
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* This function allow you register multiple filter patterns for single friendly name.
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* For example: <TT>Add(u8"Microsoft Word (*.doc; *.docx)", {u8"*.doc", u8"*.docx"})</TT>
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*/
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bool Add(const yycc_char8_t* filter_name, std::initializer_list<const yycc_char8_t*> il);
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/**
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* @brief Get the count of added filter pairs.
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* @return The count of already added filter pairs.
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*/
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size_t Count() const { return m_Filters.size(); }
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/// @brief Clear filter pairs for following re-use.
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void Clear() { m_Filters.clear(); }
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/**
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* @brief Generate Windows dialog system used data struct.
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* @param[out] win_result The class receiving the generated filter data struct.
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* @return True if generation success, otherwise false.
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* @remarks
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* Programmer should not call this function,
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* this function is used as YYCC internal code.
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*/
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bool Generate(WinFileFilters& win_result) const;
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protected:
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using FilterModes = std::vector<std::u8string>;
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using FilterName = std::u8string;
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using FilterPair = std::pair<FilterName, FilterModes>;
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std::vector<FilterPair> m_Filters;
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};
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/**
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* @private
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* @brief The class representing the file dialog.
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* @details
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* This class is served for Windows used.
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* Programmer should \b not create this class manually.
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*/
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class WinFileDialog {
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friend class FileDialog;
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public:
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WinFileDialog() :
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m_WinOwner(NULL), m_WinFileTypes(), m_WinDefaultFileTypeIndex(0u), m_HasTitle(false), m_HasInitFileName(false), m_WinTitle(),
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m_WinInitFileName(), m_WinInitDirectory(nullptr) {}
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YYCC_DELETE_COPY_MOVE(WinFileDialog)
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/// @brief Get whether this dialog has owner.
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bool HasOwner() const { return m_WinOwner != NULL; }
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/// @brief Get the \c HWND of dialog owner.
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HWND GetOwner() const { return m_WinOwner; }
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/// @brief Get the struct holding Windows used file filters data.
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const WinFileFilters& GetFileTypes() const { return m_WinFileTypes; }
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/// @brief Get the index of default selected file filter.
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UINT GetDefaultFileTypeIndex() const { return m_WinDefaultFileTypeIndex; }
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/// @brief Get whether dialog has custom title.
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bool HasTitle() const { return m_HasTitle; }
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/// @brief Get custom title of dialog.
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const wchar_t* GetTitle() const { return m_WinTitle.c_str(); }
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/// @brief Get whether dialog has custom initial file name.
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bool HasInitFileName() const { return m_HasInitFileName; }
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/// @brief Get custom initial file name of dialog
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const wchar_t* GetInitFileName() const { return m_WinInitFileName.c_str(); }
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/// @brief Get whether dialog has custom initial directory.
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bool HasInitDirectory() const { return m_WinInitDirectory.get() != nullptr; }
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/// @brief Get custom initial directory of dialog.
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IShellItem* GetInitDirectory() const { return m_WinInitDirectory.get(); }
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protected:
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HWND m_WinOwner;
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WinFileFilters m_WinFileTypes;
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/**
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* @brief The default selected file type in dialog
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* @remarks
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* This is 1-based index according to Windows specification.
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* In other words, when generating this struct from FileDialog to this struct this field should plus 1.
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* Because the same field located in FileDialog is 0-based index.
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*/
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UINT m_WinDefaultFileTypeIndex;
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bool m_HasTitle, m_HasInitFileName;
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std::wstring m_WinTitle, m_WinInitFileName;
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com::SmartIShellItem m_WinInitDirectory;
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/// @brief Clear all data and reset them to default value.
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void Clear() {
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m_WinOwner = nullptr;
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m_WinFileTypes.Clear();
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m_WinDefaultFileTypeIndex = 0u;
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m_HasTitle = m_HasInitFileName = false;
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m_WinTitle.clear();
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m_WinInitFileName.clear();
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m_WinInitDirectory.reset();
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}
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};
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/**
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* @brief The class representing the file dialog.
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* @details
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* This class is served for programming using to describe every aspectes of the dialog.
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* For how to use this struct, see \ref dialog_helper.
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*/
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class FileDialog {
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public:
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FileDialog() :
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m_Owner(NULL), m_FileTypes(), m_DefaultFileTypeIndex(0u), m_Title(), m_InitFileName(), m_InitDirectory(), m_HasTitle(false),
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m_HasInitFileName(false), m_HasInitDirectory(false) {}
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YYCC_DELETE_COPY_MOVE(FileDialog)
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/**
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* @brief Set the owner of dialog.
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* @param[in] owner The \c HWND pointing to the owner of dialog, or NULL to remove owner.
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*/
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void SetOwner(HWND owner) { m_Owner = owner; }
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/**
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* @brief Set custom title of dialog
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* @param[in] title The string pointer to custom title, or nullptr to remove it.
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*/
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void SetTitle(const yycc_char8_t* title) {
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if (m_HasTitle = title != nullptr) m_Title = title;
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}
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/**
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* @brief Fetch the struct describing file filters for future configuration.
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* @return The reference to the struct describing file filters.
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*/
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FileFilters& ConfigreFileTypes() { return m_FileTypes; }
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/**
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* @brief Set the index of default selected file filter.
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* @param[in] idx
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* The index to default one.
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* This must be a valid index in file filters.
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*/
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void SetDefaultFileTypeIndex(size_t idx) { m_DefaultFileTypeIndex = idx; }
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/**
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* @brief Set the initial file name of dialog
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* @details If set, the file name will always be same one when opening dialog.
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* @param[in] init_filename String pointer to initial file name, or nullptr to remove it.
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*/
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void SetInitFileName(const yycc_char8_t* init_filename) {
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if (m_HasInitFileName = init_filename != nullptr) m_InitFileName = init_filename;
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}
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/**
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* @brief Set the initial directory of dialog
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* @details If set, the opended directory will always be the same one when opening dialog
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* @param[in] init_dir
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* String pointer to initial directory.
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* Invalid path or nullptr will remove this feature.
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*/
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void SetInitDirectory(const yycc_char8_t* init_dir) {
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if (m_HasInitDirectory = init_dir != nullptr) m_InitDirectory = init_dir;
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}
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/// @brief Clear file dialog parameters for following re-use.
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void Clear() {
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m_Owner = nullptr;
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m_HasTitle = m_HasInitFileName = m_HasInitDirectory = false;
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m_Title.clear();
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m_InitFileName.clear();
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m_InitDirectory.clear();
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m_FileTypes.Clear();
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m_DefaultFileTypeIndex = 0u;
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}
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/**
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* @brief Generate Windows dialog system used data struct.
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* @param[out] win_result The class receiving the generated filter data struct.
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* @return True if generation is success, otherwise false.
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* @remarks
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* Programmer should not call this function.
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* This function is used as YYCC internal code.
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*/
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bool Generate(WinFileDialog& win_result) const;
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protected:
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HWND m_Owner;
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bool m_HasTitle, m_HasInitFileName, m_HasInitDirectory;
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std::u8string m_Title, m_InitFileName, m_InitDirectory;
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FileFilters m_FileTypes;
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/**
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* @brief The default selected file type in dialog
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* @remarks
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* The index Windows used is 1-based index.
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* But for universal experience, we order this is 0-based index.
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* And do convertion when generating Windows used struct.
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*/
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size_t m_DefaultFileTypeIndex;
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};
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/**
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* @brief Open the dialog which order user select single file to open.
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* @param[in] params The configuration of dialog.
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* @param[out] ret Full path to user selected file.
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* @return False if user calcel the operation or something went wrong, otherwise true.
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*/
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bool OpenFileDialog(const FileDialog& params, std::u8string& ret);
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/**
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* @brief Open the dialog which order user select multiple file to open.
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* @param[in] params The configuration of dialog.
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* @param[out] ret The list of full path of user selected files.
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* @return False if user calcel the operation or something went wrong, otherwise true.
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*/
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bool OpenMultipleFileDialog(const FileDialog& params, std::vector<std::u8string>& ret);
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/**
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* @brief Open the dialog which order user select single file to save.
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* @param[in] params The configuration of dialog.
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* @param[out] ret Full path to user selected file.
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* @return False if user calcel the operation or something went wrong, otherwise true.
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*/
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bool SaveFileDialog(const FileDialog& params, std::u8string& ret);
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/**
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* @brief Open the dialog which order user select single directory to open.
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* @param[in] params The configuration of dialog.
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* @param[out] ret Full path to user selected directory.
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* @return False if user calcel the operation or something went wrong, otherwise true.
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*/
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bool OpenFolderDialog(const FileDialog& params, std::u8string& ret);
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}
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#endif
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