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/**********************************************************************
Audacity: A Digital Audio Editor
FileFormatPrefs.cpp
Joshua Haberman
**********************************************************************/
#include <math.h>
#include <wx/window.h>
#include <wx/statbox.h>
#include <wx/textdlg.h>
#include <wx/msgdlg.h>
#include <wx/filefn.h>
#include <wx/utils.h>
#include <wx/dirdlg.h>
#include <wx/sizer.h>
#include <wx/log.h>
#include <wx/event.h>
#include <wx/dirdlg.h>
#include "../Prefs.h"
#include "../DiskFunctions.h"
#include "DirectoriesPrefs.h"
enum {
TempDirID = 1000,
ChooseButtonID
};
BEGIN_EVENT_TABLE(DirectoriesPrefs, wxPanel)
EVT_TEXT(TempDirID, DirectoriesPrefs::UpdateFreeSpace)
EVT_BUTTON(ChooseButtonID, DirectoriesPrefs::OnChooseTempDir)
END_EVENT_TABLE()
DirectoriesPrefs::DirectoriesPrefs(wxWindow * parent):
PrefsPanel(parent)
{
mTempDirText = NULL;
mTempDir = gPrefs->Read("/Directories/TempDir", "");
mOldTempDir = mTempDir;
topSizer = new wxStaticBoxSizer(
new wxStaticBox(this, -1, "Directories"), wxVERTICAL );
{
wxStaticBoxSizer *tempDirSizer = new wxStaticBoxSizer(
new wxStaticBox(this, -1, "Temp. Directory"), wxVERTICAL );
wxFlexGridSizer *tempDirGridSizer = new wxFlexGridSizer( 0, 3, 0, 0 );
mTempDirLabel = new wxStaticText(
this, -1, "Location:", wxDefaultPosition,
wxDefaultSize, wxALIGN_RIGHT );
/* Order is important here: mFreeSpace must be allocated before
mTempDirText, so that the handler doesn't try to operate on
mFreeSpace before it exists! */
mFreeSpace = new wxStaticText(
this, -1, FormatSize(GetFreeDiskSpace((char *) (const char *) mTempDir)),
wxDefaultPosition, wxDefaultSize, 0 );
mTempDirText = new wxTextCtrl(
this, TempDirID, mTempDir,
wxDefaultPosition, wxSize(160, -1), 0 );
mFreeSpaceLabel = new wxStaticText(
this, -1, "Free Space:",
wxDefaultPosition, wxDefaultSize, 0 );
wxButton *chooseButton =
new wxButton(this, ChooseButtonID, "Choose...");
tempDirGridSizer->Add( mTempDirLabel, 0, wxALIGN_LEFT|wxALL|wxALIGN_CENTER_VERTICAL, 2 );
tempDirGridSizer->Add( mTempDirText, 1, wxGROW|wxALL|wxALIGN_CENTER_VERTICAL, 2 );
tempDirGridSizer->Add( chooseButton, 0, wxALL|wxALIGN_CENTER_VERTICAL, 2 );
tempDirGridSizer->Add( mFreeSpaceLabel, 0, wxALIGN_LEFT|wxALL|wxALIGN_CENTER_VERTICAL, 2 );
tempDirGridSizer->Add( mFreeSpace, 0, wxGROW|wxALL|wxALIGN_CENTER_VERTICAL, 2 );
tempDirGridSizer->AddGrowableCol(1);
tempDirSizer->Add( tempDirGridSizer, 0, wxGROW|wxALL, 2 );
topSizer->Add( tempDirSizer, 0, wxGROW|wxALL, 5 );
}
SetAutoLayout(true);
SetSizer(topSizer);
topSizer->Fit(this);
topSizer->SetSizeHints(this);
}
wxString DirectoriesPrefs::FormatSize(wxLongLong size)
{
wxString sizeStr;
/* wxLongLong contains no built-in conversion to double */
double dSize = size.GetHi() * pow(2, 32); // 2 ^ 32
dSize += size.GetLo();
if (size == -1L)
sizeStr = "Unable to determine";
else {
/* make it look nice, by formatting into k, MB, etc */
if (size < 1024)
sizeStr.sprintf("%d bytes", size.GetLo());
else if (size < 1024 * 1024) {
sizeStr.sprintf("%.1f kB", dSize / 1024);
}
else if (size < 1024 * 1024 * 1024) {
sizeStr.sprintf("%.1f MB", dSize / (1024 * 1024));
}
else {
sizeStr.sprintf("%.1f GB", dSize / (1024 * 1024 * 1024));
}
}
return sizeStr;
}
void DirectoriesPrefs::OnChooseTempDir(wxCommandEvent &event)
{
wxDirDialog dlog(this,
"Choose a location to place the "
"temporary directory",
"");
dlog.ShowModal();
if (dlog.GetPath() != "") {
mTempDirText->SetValue(dlog.GetPath() +
wxFILE_SEP_PATH +
".audacity_temp");
UpdateFreeSpace(event);
}
}
void DirectoriesPrefs::UpdateFreeSpace(wxCommandEvent &event)
{
static wxLongLong space;
static wxString tempDir;
static char tmp[200];
if (mTempDirText == NULL)
return;
tempDir = mTempDirText->GetValue();
#ifndef __WXMAC__ // the mac GetFreeDiskSpace routine does this automatically
/* Try to be smart: if the directory doesn't exist, go up the
* directory path until one is, because that's the volume that
* the new directory would be created on */
while(!wxDirExists(tempDir) && tempDir.Find(wxFILE_SEP_PATH) != -1)
tempDir = tempDir.BeforeLast(wxFILE_SEP_PATH);
#endif
strncpy(tmp, tempDir.c_str(), 200);
space = GetFreeDiskSpace(tmp);
mFreeSpace->SetLabel(FormatSize(space));
}
bool DirectoriesPrefs::Apply()
{
mTempDir = mTempDirText->GetValue();
if(!wxDirExists(mTempDir)) {
int ans = wxMessageBox("Directory " + mTempDir + " does not exist. Create it?", "New Temporary Directory",
wxYES_NO|wxCENTRE|wxICON_EXCLAMATION);
if(ans == wxYES) {
if(!wxMkdir(mTempDir, 0600)) {
/* wxWindows throws up a decent looking dialog */
return false;
}
}
else {
return false;
}
}
else {
/* If the directory already exists, make sure it is writable */
wxLogNull logNo;
wxString tempDir = mTempDir + wxFILE_SEP_PATH + "canicreate";
if(!wxMkdir(tempDir)) {
wxMessageBox("Directory " + mTempDir + " is not writable", "Error", wxOK|wxICON_ERROR);
return false;
}
wxRmdir(tempDir);
}
gPrefs->Write("/Directories/TempDir", mTempDir);
if (mTempDir != mOldTempDir)
wxMessageBox
("Changes to temporary directory will not take effect until Audacity is restarted",
"Temp Directory Update", wxOK|wxCENTRE|wxICON_INFORMATION);
return true;
}
DirectoriesPrefs::~DirectoriesPrefs()
{
}
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