121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
/*
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* FileDialog.h
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* ------------
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* Purpose: File and folder selection dialogs implementation.
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "openmpt/all/BuildSettings.hpp"
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#include <string>
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#include <vector>
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OPENMPT_NAMESPACE_BEGIN
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// Generic open / save file dialog. Cannot be instanced by the user, use OpenFileDialog / SaveFileDialog instead.
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class FileDialog
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{
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public:
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using PathList = std::vector<mpt::PathString>;
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protected:
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mpt::RawPathString m_defaultExtension;
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mpt::RawPathString m_defaultFilename;
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mpt::RawPathString m_extFilter;
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mpt::RawPathString m_lastPreviewFile;
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mpt::RawPathString m_workingDirectory;
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mpt::RawPathString m_extension;
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PathList m_filenames;
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PathList m_places;
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int *m_filterIndex = nullptr;
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bool m_load;
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bool m_multiSelect = false;
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bool m_preview = false;
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protected:
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FileDialog(bool load) : m_load(load) { }
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public:
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// Default extension to use if none is specified.
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FileDialog &DefaultExtension(const mpt::PathString &ext) { m_defaultExtension = ext.AsNative(); return *this; }
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FileDialog &DefaultExtension(const AnyStringLocale &ext) { m_defaultExtension = mpt::ToWin(ext); return *this; }
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// Default suggested filename.
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FileDialog &DefaultFilename(const mpt::PathString &name) { m_defaultFilename = name.AsNative(); return *this; }
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FileDialog &DefaultFilename(const AnyStringLocale &name) { m_defaultFilename = mpt::ToWin(name); return *this; }
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// List of possible extensions. Format: "description|extensions|...|description|extensions||"
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FileDialog &ExtensionFilter(const mpt::PathString &filter) { m_extFilter = filter.AsNative(); return *this; }
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FileDialog &ExtensionFilter(const AnyStringLocale &filter) { m_extFilter = mpt::ToWin(filter); return *this; }
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// Default directory of the dialog.
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FileDialog &WorkingDirectory(const mpt::PathString &dir) { m_workingDirectory = dir.AsNative(); return *this; }
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// Pointer to a variable holding the index of the last extension filter to use. Holds the selected filter after the dialog has been closed.
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FileDialog &FilterIndex(int *index) { m_filterIndex = index; return *this; }
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// Enable preview of instrument files (if globally enabled).
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FileDialog &EnableAudioPreview() { m_preview = true; return *this; }
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// Add a directory to the application-specific quick-access directories in the file dialog
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FileDialog &AddPlace(mpt::PathString path) { m_places.push_back(std::move(path)); return *this; }
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// Show the file selection dialog.
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bool Show(CWnd *parent = nullptr);
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// Get some selected file. Mostly useful when only one selected file is possible anyway.
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mpt::PathString GetFirstFile() const
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{
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if(!m_filenames.empty())
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return m_filenames.front();
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else
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return {};
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}
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// Gets a reference to all selected filenames.
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const PathList &GetFilenames() const { return m_filenames; }
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// Gets directory in which the selected files are placed.
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mpt::PathString GetWorkingDirectory() const { return mpt::PathString::FromNative(m_workingDirectory); }
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// Gets the extension of the first selected file, without dot.
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mpt::PathString GetExtension() const { return mpt::PathString::FromNative(m_extension); }
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};
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// Dialog for opening files
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class OpenFileDialog : public FileDialog
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{
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public:
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OpenFileDialog() : FileDialog(true) { }
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// Enable selection of multiple files
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OpenFileDialog &AllowMultiSelect() { m_multiSelect = true; return *this; }
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};
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// Dialog for saving files
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class SaveFileDialog : public FileDialog
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{
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public:
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SaveFileDialog() : FileDialog(false) { }
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};
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// Folder browser.
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class BrowseForFolder
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{
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protected:
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mpt::PathString m_workingDirectory;
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CString m_caption;
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public:
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BrowseForFolder(const mpt::PathString &dir, const CString &caption) : m_workingDirectory(dir), m_caption(caption) { }
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// Show the folder selection dialog.
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bool Show(CWnd *parent = nullptr);
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// Gets selected directory.
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mpt::PathString GetDirectory() const { return m_workingDirectory; }
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protected:
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static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData);
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};
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OPENMPT_NAMESPACE_END
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