188 lines
3.8 KiB
C++
188 lines
3.8 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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FileHistory.cpp
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Leland Lucius
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*******************************************************************//**
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\class FileHistory
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\brief Similar to FileHistory, but customized to our needs.
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*//*******************************************************************/
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#include "../Audacity.h"
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#include <wx/defs.h>
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#include <wx/fileconf.h>
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#include <wx/menu.h>
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#include "FileHistory.h"
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FileHistory::FileHistory(size_t maxfiles, wxWindowID base)
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{
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mMaxFiles = maxfiles;
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mIDBase = base;
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}
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FileHistory::~FileHistory()
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{
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}
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// File history management
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void FileHistory::AddFileToHistory(const wxString & file, bool update)
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{
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// Needed to transition from wxFileHistory to FileHistory since there
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// can be empty history "slots".
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if (file.IsEmpty()) {
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return;
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}
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#if defined(__WXMSW__)
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int i = mHistory.Index(file, false);
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#else
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int i = mHistory.Index(file, true);
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#endif
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if (i != wxNOT_FOUND) {
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mHistory.RemoveAt(i);
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}
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if (mMaxFiles == mHistory.GetCount()) {
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mHistory.RemoveAt(mHistory.GetCount() - 1);
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}
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mHistory.Insert(file, 0);
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if (update) {
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AddFilesToMenu();
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}
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}
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void FileHistory::RemoveFileFromHistory(size_t i, bool update)
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{
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wxASSERT(i < mHistory.GetCount());
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if (i < mHistory.GetCount()) {
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mHistory.RemoveAt(i);
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if (update) {
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AddFilesToMenu();
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}
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}
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}
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void FileHistory::Clear()
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{
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mHistory.Clear();
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AddFilesToMenu();
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}
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wxString FileHistory::GetHistoryFile(size_t i) const
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{
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wxASSERT(i < mHistory.GetCount());
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if (i < mHistory.GetCount()) {
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return mHistory[i];
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}
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return wxEmptyString;
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}
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size_t FileHistory::GetCount()
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{
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return mHistory.GetCount();
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}
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void FileHistory::UseMenu(wxMenu *menu)
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{
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wxASSERT(mMenus.Index(menu) == wxNOT_FOUND);
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if (mMenus.Index(menu) == wxNOT_FOUND) {
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mMenus.Add(menu);
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}
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}
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void FileHistory::RemoveMenu(wxMenu *menu)
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{
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wxASSERT(mMenus.Index(menu) != wxNOT_FOUND);
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if (mMenus.Index(menu) != wxNOT_FOUND) {
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mMenus.Remove(menu);
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}
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}
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void FileHistory::Load(wxConfigBase & config, const wxString & group)
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{
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mHistory.Clear();
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config.SetPath(group);
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wxString file;
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long ndx;
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bool got = config.GetFirstEntry(file, ndx);
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while (got) {
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AddFileToHistory(config.Read(file), false);
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got = config.GetNextEntry(file, ndx);
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}
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config.SetPath(wxT(".."));
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AddFilesToMenu();
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}
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void FileHistory::Save(wxConfigBase & config, const wxString & group)
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{
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config.DeleteGroup(group);
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config.SetPath(group);
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// Stored in reverse order
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int n = mHistory.GetCount() - 1;
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for (size_t i = 1; i <= mHistory.GetCount(); i++) {
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config.Write(wxString::Format(wxT("file%d"), i), mHistory[n--]);
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}
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config.SetPath(wxT(".."));
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}
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void FileHistory::AddFilesToMenu()
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{
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for (size_t i = 0; i < mMenus.GetCount(); i++) {
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AddFilesToMenu((wxMenu *) mMenus[i]);
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}
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}
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void FileHistory::AddFilesToMenu(wxMenu *menu)
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{
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wxMenuItemList items = menu->GetMenuItems();
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wxMenuItemList::compatibility_iterator node = items.GetFirst();
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while (node) {
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menu->Destroy((wxMenuItem *) node->GetData());
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node = node->GetNext();
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}
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for (size_t i = 0; i < mHistory.GetCount(); i++) {
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menu->Append(mIDBase + 1 + i, mHistory[i]);
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}
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if (mHistory.GetCount() > 0) {
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menu->AppendSeparator();
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}
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menu->Append(mIDBase, _("&Clear"));
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menu->Enable(mIDBase, mHistory.GetCount() > 0);
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}
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// Indentation settings for Vim and Emacs and unique identifier for Arch, a
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// version control system. Please do not modify past this point.
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//
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// Local Variables:
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// c-basic-offset: 3
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// indent-tabs-mode: nil
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// End:
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//
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// vim: et sts=3 sw=3
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// arch-tag: 94f72c32-970b-4f4e-bbf3-3880fce7b965
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