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/**
* @file llfilepicker.h
* @brief OS-specific file picker
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
// OS specific file selection dialog. This is implemented as a
// singleton class, so call the instance() method to get the working
// instance. When you call getMultipleOpenFile(), it locks the picker
// until you iterate to the end of the list of selected files with
// getNextFile() or call reset().
#ifndef LL_LLFILEPICKER_H
#define LL_LLFILEPICKER_H
#include "stdtypes.h"
#if LL_DARWIN
#include <Carbon/Carbon.h>
// AssertMacros.h does bad things.
#undef verify
#undef check
#undef require
#include <vector>
#include "llstring.h"
#endif
// Need commdlg.h for OPENFILENAMEA
#ifdef LL_WINDOWS
#include "llwin32headers.h"
#include <commdlg.h>
#endif
extern "C" {
// mostly for Linux, possible on others
#if LL_GTK
# include "gtk/gtk.h"
#endif // LL_GTK
}
class LLFilePicker
{
#ifdef LL_GTK
friend class LLDirPicker;
friend void chooser_responder(GtkWidget *, gint, gpointer);
#endif // LL_GTK
public:
// calling this before main() is undefined
static LLFilePicker& instance( void ) { return sInstance; }
enum ELoadFilter
{
FFLOAD_ALL = 1,
FFLOAD_WAV = 2,
FFLOAD_IMAGE = 3,
FFLOAD_ANIM = 4,
FFLOAD_GLTF = 5,
FFLOAD_XML = 6,
FFLOAD_SLOBJECT = 7,
FFLOAD_RAW = 8,
FFLOAD_MODEL = 9,
FFLOAD_COLLADA = 10,
FFLOAD_SCRIPT = 11,
FFLOAD_DICTIONARY = 12,
FFLOAD_DIRECTORY = 13, // To call from lldirpicker.
FFLOAD_EXE = 14, // Note: EXE will be treated as ALL on Windows and Linux but not on Darwin
FFLOAD_MATERIAL = 15,
FFLOAD_MATERIAL_TEXTURE = 16,
};
enum ESaveFilter
{
FFSAVE_ALL = 1,
FFSAVE_WAV = 3,
FFSAVE_TGA = 4,
FFSAVE_BMP = 5,
FFSAVE_AVI = 6,
FFSAVE_ANIM = 7,
FFSAVE_GLTF = 8,
FFSAVE_XML = 9,
FFSAVE_COLLADA = 10,
FFSAVE_RAW = 11,
FFSAVE_J2C = 12,
FFSAVE_PNG = 13,
FFSAVE_JPEG = 14,
FFSAVE_SCRIPT = 15,
FFSAVE_TGAPNG = 16
};
// open the dialog. This is a modal operation
bool getSaveFile( ESaveFilter filter = FFSAVE_ALL, const std::string& filename = LLStringUtil::null, bool blocking = true);
bool getSaveFileModeless(ESaveFilter filter,
const std::string& filename,
void (*callback)(bool, std::string&, void*),
void *userdata);
bool getOpenFile( ELoadFilter filter = FFLOAD_ALL, bool blocking = true );
// Todo: implement getOpenFileModeless and getMultipleOpenFilesModeless
// for windows and use directly instead of ugly LLFilePickerThread
bool getOpenFileModeless( ELoadFilter filter, void (*callback)(bool, std::vector<std::string> &, void*), void *userdata); // MAC only.
bool getMultipleOpenFiles( ELoadFilter filter = FFLOAD_ALL, bool blocking = true );
bool getMultipleOpenFilesModeless( ELoadFilter filter, void (*callback)(bool, std::vector<std::string> &, void*), void *userdata ); // MAC only
// Get the filename(s) found. getFirstFile() sets the pointer to
// the start of the structure and allows the start of iteration.
const std::string getFirstFile();
// getNextFile() increments the internal representation and
// returns the next file specified by the user. Returns NULL when
// no more files are left. Further calls to getNextFile() are
// undefined.
const std::string getNextFile();
// This utility function extracts the current file name without
// doing any incrementing.
const std::string getCurFile();
// Returns the index of the current file.
S32 getCurFileNum() const { return mCurrentFile; }
S32 getFileCount() const { return (S32)mFiles.size(); }
// see lldir.h : getBaseFileName and getDirName to extract base or directory names
// clear any lists of buffers or whatever, and make sure the file
// picker isn't locked.
void reset();
private:
enum
{
SINGLE_FILENAME_BUFFER_SIZE = 1024,
//FILENAME_BUFFER_SIZE = 65536
FILENAME_BUFFER_SIZE = 65000
};
// utility function to check if access to local file system via file browser
// is enabled and if not, tidy up and indicate we're not allowed to do this.
bool check_local_file_access_enabled();
#if LL_WINDOWS
OPENFILENAMEW mOFN; // for open and save dialogs
WCHAR mFilesW[FILENAME_BUFFER_SIZE];
bool setupFilter(ELoadFilter filter);
#endif
#if LL_DARWIN
S32 mPickOptions;
std::vector<std::string> mFileVector;
bool doNavChooseDialog(ELoadFilter filter);
bool doNavChooseDialogModeless(ELoadFilter filter,
void (*callback)(bool, std::vector<std::string>&, void*),
void *userdata);
bool doNavSaveDialog(ESaveFilter filter, const std::string& filename);
std::unique_ptr<std::vector<std::string>> navOpenFilterProc(ELoadFilter filter);
bool doNavSaveDialogModeless(ESaveFilter filter,
const std::string& filename,
void (*callback)(bool, std::string&, void*),
void *userdata);
#endif
#if LL_GTK
static void add_to_selectedfiles(gpointer data, gpointer user_data);
static void chooser_responder(GtkWidget *widget, gint response, gpointer user_data);
// we remember the last path that was accessed for a particular usage
std::map <std::string, std::string> mContextToPathMap;
std::string mCurContextName;
// we also remember the extension of the last added file.
std::string mCurrentExtension;
#endif
std::vector<std::string> mFiles;
S32 mCurrentFile;
bool mLocked;
static LLFilePicker sInstance;
protected:
#if LL_GTK
GtkWindow* buildFilePicker(bool is_save, bool is_folder,
std::string context = "generic");
#endif
public:
// don't call these directly please.
LLFilePicker();
~LLFilePicker();
};
#endif
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