Files
YYCCommonplace/src/YYCCLegacy/DialogHelper.hpp
yyc12345 821a592f02 feat: add various detector.
- add endian and compiler detector, and modify os detector.
- now we use CMake to add detector-used macro, instead of using some C++ features to detect them.
- change Windows environment detection according to the change of os detector.
2025-07-23 10:18:01 +08:00

313 lines
11 KiB
C++

#pragma once
#include "YYCCInternal.hpp"
#if defined(YYCC_OS_WINDOWS)
#include "COMHelper.hpp"
#include <string>
#include <vector>
#include <initializer_list>
#include "WinImportPrefix.hpp"
#include <Windows.h>
#include <shlobj_core.h>
#include "WinImportSuffix.hpp"
/**
* @brief The namespace providing Windows universal dialog features.
* @details
* This namespace only available on Windows platform.
* See also \ref dialog_helper.
*/
namespace YYCC::DialogHelper {
/**
* @brief The class representing the file types region in file dialog.
* @details
* This class is served for Windows used.
* Programmer should \b not create this class manually.
*/
class WinFileFilters {
friend class FileFilters;
friend class WinFileDialog;
public:
WinFileFilters() : m_WinFilters(), m_WinDataStruct(nullptr) {}
YYCC_DEL_CLS_COPY_MOVE(WinFileFilters);
/// @brief Get the count of available file filters
UINT GetFilterCount() const {
return static_cast<UINT>(m_WinFilters.size());
}
/// @brief Get pointer to Windows used file filters declarations
const COMDLG_FILTERSPEC* GetFilterSpecs() const {
return m_WinDataStruct.get();
}
protected:
using WinFilterModes = std::wstring;
using WinFilterName = std::wstring;
using WinFilterPair = std::pair<WinFilterName, WinFilterModes>;
std::vector<WinFilterPair> m_WinFilters;
std::unique_ptr<COMDLG_FILTERSPEC[]> m_WinDataStruct;
/// @brief Clear all current file filters
void Clear() {
m_WinDataStruct.reset();
m_WinFilters.clear();
}
};
/**
* @brief The class representing the file types region in file dialog.
* @details
* This class is served for programmer using.
* But you don't need create it on your own.
* You can simply fetch it by FileDialog::ConfigreFileTypes ,
* because this class is a part of FileDialog.
*/
class FileFilters {
public:
FileFilters() : m_Filters() {}
YYCC_DEL_CLS_COPY_MOVE(FileFilters);
/**
* @brief Add a filter pair in file types list.
* @param[in] filter_name The friendly name of the filter.
* @param[in] il
* A C++ initialize list containing acceptable file filter pattern.
* Every entries must be `const yycc_char8_t*` representing a single filter pattern.
* The list at least should have one valid pattern.
* This function will not validate these filter patterns, so please write them carefully.
* @return True if added success, otherwise false.
* @remarks
* This function allow you register multiple filter patterns for single friendly name.
* For example: <TT>Add(u8"Microsoft Word (*.doc; *.docx)", {u8"*.doc", u8"*.docx"})</TT>
*/
bool Add(const yycc_char8_t* filter_name, std::initializer_list<const yycc_char8_t*> il);
/**
* @brief Get the count of added filter pairs.
* @return The count of already added filter pairs.
*/
size_t Count() const { return m_Filters.size(); }
/// @brief Clear filter pairs for following re-use.
void Clear() { m_Filters.clear(); }
/**
* @brief Generate Windows dialog system used data struct.
* @param[out] win_result The class receiving the generated filter data struct.
* @return True if generation success, otherwise false.
* @remarks
* Programmer should not call this function,
* this function is used as YYCC internal code.
*/
bool Generate(WinFileFilters& win_result) const;
protected:
using FilterModes = std::vector<yycc_u8string>;
using FilterName = yycc_u8string;
using FilterPair = std::pair<FilterName, FilterModes>;
std::vector<FilterPair> m_Filters;
};
/**
* @brief The class representing the file dialog.
* @details
* This class is served for Windows used.
* Programmer should \b not create this class manually.
*/
class WinFileDialog {
friend class FileDialog;
public:
WinFileDialog() :
m_WinOwner(NULL),
m_WinFileTypes(), m_WinDefaultFileTypeIndex(0u),
m_HasTitle(false), m_HasInitFileName(false), m_WinTitle(), m_WinInitFileName(),
m_WinInitDirectory(nullptr) {}
YYCC_DEL_CLS_COPY_MOVE(WinFileDialog);
/// @brief Get whether this dialog has owner.
bool HasOwner() const { return m_WinOwner != NULL; }
/// @brief Get the \c HWND of dialog owner.
HWND GetOwner() const { return m_WinOwner; }
/// @brief Get the struct holding Windows used file filters data.
const WinFileFilters& GetFileTypes() const { return m_WinFileTypes; }
/// @brief Get the index of default selected file filter.
UINT GetDefaultFileTypeIndex() const { return m_WinDefaultFileTypeIndex; }
/// @brief Get whether dialog has custom title.
bool HasTitle() const { return m_HasTitle; }
/// @brief Get custom title of dialog.
const wchar_t* GetTitle() const { return m_WinTitle.c_str(); }
/// @brief Get whether dialog has custom initial file name.
bool HasInitFileName() const { return m_HasInitFileName; }
/// @brief Get custom initial file name of dialog
const wchar_t* GetInitFileName() const { return m_WinInitFileName.c_str(); }
/// @brief Get whether dialog has custom initial directory.
bool HasInitDirectory() const { return m_WinInitDirectory.get() != nullptr; }
/// @brief Get custom initial directory of dialog.
IShellItem* GetInitDirectory() const { return m_WinInitDirectory.get(); }
protected:
HWND m_WinOwner;
WinFileFilters m_WinFileTypes;
/**
* @brief The default selected file type in dialog
* @remarks
* This is 1-based index according to Windows specification.
* In other words, when generating this struct from FileDialog to this struct this field should plus 1.
* Because the same field located in FileDialog is 0-based index.
*/
UINT m_WinDefaultFileTypeIndex;
bool m_HasTitle, m_HasInitFileName;
std::wstring m_WinTitle, m_WinInitFileName;
COMHelper::SmartIShellItem m_WinInitDirectory;
/// @brief Clear all data and reset them to default value.
void Clear() {
m_WinOwner = nullptr;
m_WinFileTypes.Clear();
m_WinDefaultFileTypeIndex = 0u;
m_HasTitle = m_HasInitFileName = false;
m_WinTitle.clear();
m_WinInitFileName.clear();
m_WinInitDirectory.reset();
}
};
/**
* @brief The class representing the file dialog.
* @details
* This class is served for programming using to describe every aspectes of the dialog.
* For how to use this struct, see \ref dialog_helper.
*/
class FileDialog {
public:
FileDialog() :
m_Owner(NULL),
m_FileTypes(),
m_DefaultFileTypeIndex(0u),
m_Title(), m_InitFileName(), m_InitDirectory(),
m_HasTitle(false), m_HasInitFileName(false), m_HasInitDirectory(false) {}
YYCC_DEL_CLS_COPY_MOVE(FileDialog);
/**
* @brief Set the owner of dialog.
* @param[in] owner The \c HWND pointing to the owner of dialog, or NULL to remove owner.
*/
void SetOwner(HWND owner) { m_Owner = owner; }
/**
* @brief Set custom title of dialog
* @param[in] title The string pointer to custom title, or nullptr to remove it.
*/
void SetTitle(const yycc_char8_t* title) {
if (m_HasTitle = title != nullptr)
m_Title = title;
}
/**
* @brief Fetch the struct describing file filters for future configuration.
* @return The reference to the struct describing file filters.
*/
FileFilters& ConfigreFileTypes() {
return m_FileTypes;
}
/**
* @brief Set the index of default selected file filter.
* @param[in] idx
* The index to default one.
* This must be a valid index in file filters.
*/
void SetDefaultFileTypeIndex(size_t idx) { m_DefaultFileTypeIndex = idx; }
/**
* @brief Set the initial file name of dialog
* @details If set, the file name will always be same one when opening dialog.
* @param[in] init_filename String pointer to initial file name, or nullptr to remove it.
*/
void SetInitFileName(const yycc_char8_t* init_filename) {
if (m_HasInitFileName = init_filename != nullptr)
m_InitFileName = init_filename;
}
/**
* @brief Set the initial directory of dialog
* @details If set, the opended directory will always be the same one when opening dialog
* @param[in] init_dir
* String pointer to initial directory.
* Invalid path or nullptr will remove this feature.
*/
void SetInitDirectory(const yycc_char8_t* init_dir) {
if (m_HasInitDirectory = init_dir != nullptr)
m_InitDirectory = init_dir;
}
/// @brief Clear file dialog parameters for following re-use.
void Clear() {
m_Owner = nullptr;
m_HasTitle = m_HasInitFileName = m_HasInitDirectory = false;
m_Title.clear();
m_InitFileName.clear();
m_InitDirectory.clear();
m_FileTypes.Clear();
m_DefaultFileTypeIndex = 0u;
}
/**
* @brief Generate Windows dialog system used data struct.
* @param[out] win_result The class receiving the generated filter data struct.
* @return True if generation is success, otherwise false.
* @remarks
* Programmer should not call this function.
* This function is used as YYCC internal code.
*/
bool Generate(WinFileDialog& win_result) const;
protected:
HWND m_Owner;
bool m_HasTitle, m_HasInitFileName, m_HasInitDirectory;
yycc_u8string m_Title, m_InitFileName, m_InitDirectory;
FileFilters m_FileTypes;
/**
* @brief The default selected file type in dialog
* @remarks
* The index Windows used is 1-based index.
* But for universal experience, we order this is 0-based index.
* And do convertion when generating Windows used struct.
*/
size_t m_DefaultFileTypeIndex;
};
/**
* @brief Open the dialog which order user select single file to open.
* @param[in] params The configuration of dialog.
* @param[out] ret Full path to user selected file.
* @return False if user calcel the operation or something went wrong, otherwise true.
*/
bool OpenFileDialog(const FileDialog& params, yycc_u8string& ret);
/**
* @brief Open the dialog which order user select multiple file to open.
* @param[in] params The configuration of dialog.
* @param[out] ret The list of full path of user selected files.
* @return False if user calcel the operation or something went wrong, otherwise true.
*/
bool OpenMultipleFileDialog(const FileDialog& params, std::vector<yycc_u8string>& ret);
/**
* @brief Open the dialog which order user select single file to save.
* @param[in] params The configuration of dialog.
* @param[out] ret Full path to user selected file.
* @return False if user calcel the operation or something went wrong, otherwise true.
*/
bool SaveFileDialog(const FileDialog& params, yycc_u8string& ret);
/**
* @brief Open the dialog which order user select single directory to open.
* @param[in] params The configuration of dialog.
* @param[out] ret Full path to user selected directory.
* @return False if user calcel the operation or something went wrong, otherwise true.
*/
bool OpenFolderDialog(const FileDialog& params, yycc_u8string& ret);
}
#endif