mirror of
https://github.com/cookiengineer/audacity
synced 2025-08-01 08:29:27 +02:00
134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/*********************************************************************
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\class MissingAliasFileDialog
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\brief Special case of ErrorDialog for reporting missing alias files.
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*//*******************************************************************/
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#include "MissingAliasFileDialog.h"
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#include <mutex>
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#include "BlockFile.h"
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#include "DirManager.h"
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#include "Project.h"
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#include "widgets/ErrorDialog.h"
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// special case for alias missing dialog because we keep track of if it exists.
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class MissingAliasFileDialog final : public ErrorDialog
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{
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public:
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MissingAliasFileDialog(AudacityProject *parent,
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const wxString & dlogTitle,
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const wxString & message,
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const wxString & helpURL,
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const bool Close = true, const bool modal = true);
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virtual ~MissingAliasFileDialog();
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};
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MissingAliasFileDialog::MissingAliasFileDialog(AudacityProject *parent,
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const wxString & dlogTitle,
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const wxString & message,
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const wxString & helpURL,
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const bool Close, const bool modal):
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ErrorDialog(parent, dlogTitle, message, helpURL, Close, modal)
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{
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parent->SetMissingAliasFileDialog(this);
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}
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MissingAliasFileDialog::~MissingAliasFileDialog()
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{
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static_cast<AudacityProject *>(GetParent())
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->SetMissingAliasFileDialog( nullptr );
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}
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namespace MissingAliasFilesDialog {
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namespace{
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bool m_missingAliasFilesWarningShouldShow{ true };
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std::weak_ptr< AudacityProject > m_LastMissingBlockFileProject;
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wxString m_LastMissingBlockFilePath;
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std::mutex m_LastMissingBlockFileLock;
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}
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using Lock = std::unique_lock< std::mutex >;
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void Show(AudacityProject *parent,
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const wxString &dlogTitle,
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const wxString &message,
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const wxString &helpPage,
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const bool Close)
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{
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wxASSERT(parent); // to justify safenew
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ErrorDialog *dlog = safenew MissingAliasFileDialog(parent, dlogTitle, message, helpPage, Close, false);
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// Don't center because in many cases (effect, export, etc) there will be a progress bar in the center that blocks this.
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// instead put it just above or on the top of the project.
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wxPoint point;
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point.x = 0;
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point.y = parent ? parent->GetPosition().y - 200 : 100;
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if (point.y < 100)
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point.y = 100;
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dlog->SetPosition(point);
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dlog->CentreOnParent(wxHORIZONTAL);
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// This needs to be modeless because user may need to
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// stop playback AND read dialog's instructions.
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dlog->Show();
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// ANSWER-ME: Vigilant Sentry flags this method as not deleting dlog, so a mem leak.
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// PRL: answer is that the parent window guarantees destruction of the dialog
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// but in practice Destroy() in OnOK does that
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}
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void Mark(const AliasBlockFile *b)
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{
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Lock lock{ m_LastMissingBlockFileLock };
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if (b) {
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size_t numProjects = gAudacityProjects.size();
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for (size_t ii = 0; ii < numProjects; ++ii) {
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// search each project for the blockfile
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if (gAudacityProjects[ii]->GetDirManager()->ContainsBlockFile(b)) {
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m_LastMissingBlockFileProject = gAudacityProjects[ii];
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break;
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}
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}
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}
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else
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m_LastMissingBlockFileProject = {};
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if (b)
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m_LastMissingBlockFilePath = b->GetAliasedFileName().GetFullPath();
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else
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m_LastMissingBlockFilePath = wxString{};
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}
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std::pair< wxString, std::shared_ptr<AudacityProject> > Marked()
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{
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Lock lock{ m_LastMissingBlockFileLock };
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return { m_LastMissingBlockFilePath, m_LastMissingBlockFileProject.lock() };
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}
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bool ShouldShow()
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{
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Lock lock{ m_LastMissingBlockFileLock };
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auto ptr = m_LastMissingBlockFileProject.lock();
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return ptr && m_missingAliasFilesWarningShouldShow;
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}
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void SetShouldShow(bool b)
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{
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// Note that this is can be called by both the main thread and other threads.
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// I don't believe we need a mutex because we are checking zero vs non-zero,
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// and the setting from other threads will always be non-zero (true), and the
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// setting from the main thread is always false.
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m_missingAliasFilesWarningShouldShow = b;
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// reset the warnings as they were probably marked by a previous run
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if (m_missingAliasFilesWarningShouldShow) {
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Mark( nullptr );
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}
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}
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}
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