269 lines
9.2 KiB
C++
269 lines
9.2 KiB
C++
/***********************************************************************
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* ffiledialog.h - Widget FFileDialog (a file chooser dialog) *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2014-2020 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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/* Inheritance diagram
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* ═══════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FVTerm ▏ ▕ FObject ▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
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* ▲ ▲
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* │ │
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* └─────┬─────┘
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FWidget ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FWindow ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FDialog ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FFileDialog ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FFILEDIALOG_H
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#define FFILEDIALOG_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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#include <sys/param.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <fnmatch.h>
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#include <libgen.h>
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#include <unistd.h>
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#include <string>
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#include <vector>
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#include "final/fbutton.h"
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#include "final/fcheckbox.h"
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#include "final/fdialog.h"
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#include "final/flineedit.h"
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#include "final/flistbox.h"
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#include "final/fmessagebox.h"
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#include "final/fstatusbar.h"
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#include "final/fterm.h"
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namespace finalcut
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{
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// class forward declaration
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class FSystem;
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//----------------------------------------------------------------------
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// class FFileDialog
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//----------------------------------------------------------------------
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class FFileDialog : public FDialog
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{
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public:
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// Enumeration
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enum DialogType
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{
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Open = 0,
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Save = 1
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};
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// Constructors
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explicit FFileDialog (FWidget* = nullptr);
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FFileDialog (const FFileDialog&); // copy constructor
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FFileDialog ( const FString&
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, const FString&
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, DialogType = FFileDialog::Open
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, FWidget* = nullptr );
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// Destructor
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~FFileDialog() override;
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// copy assignment operator (=)
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FFileDialog& operator = (const FFileDialog&);
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// Accessors
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const FString getClassName() const override;
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const FString getPath() const;
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const FString getFilter() const;
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const FString getSelectedFile() const;
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bool getShowHiddenFiles();
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// Mutators
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void setPath (const FString&);
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void setFilter (const FString&);
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bool setShowHiddenFiles(bool);
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bool setShowHiddenFiles();
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bool unsetShowHiddenFiles();
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// Event handler
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void onKeyPress (FKeyEvent*) override;
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// Methods
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static const FString fileOpenChooser ( FWidget*
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, const FString& = FString()
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, const FString& = FString() );
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static const FString fileSaveChooser ( FWidget*
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, const FString& = FString()
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, const FString& = FString() );
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protected:
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// Method
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void adjustSize() override;
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private:
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// Typedef
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struct FDirEntry
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{
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// Constructor
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FDirEntry()
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: fifo{false}
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, character_device{false}
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, directory{false}
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, block_device{false}
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, regular_file{false}
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, symbolic_link{false}
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, socket{false}
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{ }
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// Copy constructor
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FDirEntry (const FDirEntry& entry)
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: name{entry.name}
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, fifo{entry.fifo}
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, character_device{entry.character_device}
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, directory{entry.directory}
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, block_device{entry.block_device}
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, regular_file{entry.regular_file}
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, symbolic_link{entry.symbolic_link}
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, socket{entry.socket}
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{ }
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// Destructor
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~FDirEntry() = default;
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// Copy assignment operator (=)
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FDirEntry& operator = (const FDirEntry&) = default;
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// Data members
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std::string name{};
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// Type of file
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uChar fifo : 1;
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uChar character_device : 1;
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uChar directory : 1;
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uChar block_device : 1;
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uChar regular_file : 1;
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uChar symbolic_link : 1;
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uChar socket : 1;
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uChar : 1; // padding bits
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};
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typedef std::vector<FDirEntry> dirEntries;
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// Methods
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void init();
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void widgetSettings (const FPoint&);
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void initCallbacks();
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bool pattern_match (const char* const, const char[]);
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void clear();
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sInt64 numOfDirs();
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void sortDir();
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int readDir();
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void getEntry (const char* const, const struct dirent*);
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void followSymLink (const char* const, FDirEntry&);
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void dirEntriesToList();
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void selectDirectoryEntry (const char* const);
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int changeDir (const FString&);
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void printPath (const FString&);
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static const FString getHomeDir();
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// Callback methods
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void cb_processActivate (const FWidget*, const FDataPtr);
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void cb_processRowChanged (const FWidget*, const FDataPtr);
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void cb_processClicked (const FWidget*, const FDataPtr);
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void cb_processCancel (const FWidget*, const FDataPtr);
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void cb_processOpen (const FWidget*, const FDataPtr);
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void cb_processShowHidden (const FWidget*, const FDataPtr);
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// Data members
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static FSystem* fsystem;
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DIR* directory_stream{nullptr};
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dirEntries dir_entries{};
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FString directory{};
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FString filter_pattern{};
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FLineEdit filename{this};
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FListBox filebrowser{this};
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FCheckBox hidden_check{this};
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FButton cancel_btn{this};
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FButton open_btn{this};
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DialogType dlg_type{FFileDialog::Open};
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bool show_hidden{false};
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// Friend functions
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friend bool sortByName ( const FFileDialog::FDirEntry&
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, const FFileDialog::FDirEntry& );
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friend bool sortDirFirst ( const FFileDialog::FDirEntry&
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, const FFileDialog::FDirEntry& );
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friend const FString fileChooser ( FWidget*
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, const FString&
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, const FString&
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, FFileDialog::DialogType);
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};
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// FMessageBox inline functions
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//----------------------------------------------------------------------
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inline const FString FFileDialog::getClassName() const
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{ return "FFileDialog"; }
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//----------------------------------------------------------------------
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inline const FString FFileDialog::getPath() const
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{ return directory; }
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//----------------------------------------------------------------------
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inline const FString FFileDialog::getFilter() const
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{ return filter_pattern; }
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//----------------------------------------------------------------------
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inline bool FFileDialog::setShowHiddenFiles()
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{ return setShowHiddenFiles(true); }
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//----------------------------------------------------------------------
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inline bool FFileDialog::unsetShowHiddenFiles()
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{ return setShowHiddenFiles(false); }
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//----------------------------------------------------------------------
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inline bool FFileDialog::getShowHiddenFiles()
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{ return show_hidden; }
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} // namespace finalcut
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#endif // FFILEDIALOG_H
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