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audacity/src/prefs/PrefsDialog.cpp

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/**********************************************************************
Audacity: A Digital Audio Editor
PrefsDialog.cpp
Joshua Haberman
James Crook
*******************************************************************//**
\class PrefsDialog
\brief Dialog that shows the current PrefsPanel in a tabbed divider.
*//*******************************************************************/
#include "../Audacity.h" // for USE_* macros
#include "PrefsDialog.h"
#include <mutex> // for std::call_once
#include <wx/app.h>
#include <wx/setup.h> // for wxUSE_* macros
#include <wx/defs.h>
#include <wx/button.h>
#include <wx/dialog.h>
#include <wx/event.h>
#include <wx/font.h>
#include <wx/gdicmn.h>
#include <wx/intl.h>
#include <wx/listbox.h>
#include <wx/sizer.h>
#include <wx/listbook.h>
#include <wx/treebook.h>
#include <wx/treectrl.h>
#include "../AudioIOBase.h"
#include "../Prefs.h"
#include "../ShuttleGui.h"
#include "../commands/CommandManager.h"
#include "PrefsPanel.h"
#include "../widgets/HelpSystem.h"
#if wxUSE_ACCESSIBILITY
#include "../widgets/WindowAccessible.h"
#endif
#if wxUSE_ACCESSIBILITY
#ifndef __WXMAC__
// Just an alias
using TreeCtrlAx = WindowAccessible;
#else
// utility functions
namespace {
template< typename Result, typename Fn >
Result VisitItems( const wxTreeCtrl &ctrl, Fn fn )
{
// Do preorder visit of items in the tree until satisfying a test
std::vector< wxTreeItemId > stack;
stack.push_back( ctrl.GetRootItem() );
unsigned position = 0;
while ( !stack.empty() ) {
auto itemId = stack.back();
auto pair = fn( itemId, position );
if ( pair.first )
return pair.second;
wxTreeItemIdValue cookie;
auto childId = ctrl.GetFirstChild( itemId, cookie );
if ( childId )
stack.push_back( childId );
else do {
auto &id = stack.back();
if ( !!( id = ctrl.GetNextSibling( id ) ) )
break;
} while ( stack.pop_back(), !stack.empty() );
++position;
}
return {};
}
unsigned FindItemPosition( const wxTreeCtrl &ctrl, wxTreeItemId id )
{
// Return the 1-based count of the item's position in the pre-order
// visit of the items in the tree (not counting the root item which we
// assume is a dummy that never matches id)
return VisitItems<unsigned>( ctrl,
[=]( wxTreeItemId itemId, unsigned position ){
return std::make_pair( itemId == id, position ); } );
}
wxTreeItemId FindItem( const wxTreeCtrl &ctrl, int nn )
{
// The inverse of the function above
return VisitItems<wxTreeItemId>( ctrl,
[=]( wxTreeItemId itemId, unsigned position ){
return std::make_pair( nn == position, itemId ); } );
}
}
// Define a custom class
class TreeCtrlAx final
: public WindowAccessible
{
public:
TreeCtrlAx(wxTreeCtrl * ctrl);
virtual ~ TreeCtrlAx();
wxAccStatus GetChild(int childId, wxAccessible** child) override;
wxAccStatus GetChildCount(int* childCount) override;
wxAccStatus GetDefaultAction(int childId, wxString *actionName) override;
// Returns the description for this object or a child.
wxAccStatus GetDescription(int childId, wxString *description) override;
// Gets the window with the keyboard focus.
// If childId is 0 and child is NULL, no object in
// this subhierarchy has the focus.
// If this object has the focus, child should be 'this'.
wxAccStatus GetFocus(int *childId, wxAccessible **child) override;
// Returns help text for this object or a child, similar to tooltip text.
wxAccStatus GetHelpText(int childId, wxString *helpText) override;
// Returns the keyboard shortcut for this object or child.
// Return e.g. ALT+K
wxAccStatus GetKeyboardShortcut(int childId, wxString *shortcut) override;
// Returns the rectangle for this object (id = 0) or a child element (id > 0).
// rect is in screen coordinates.
wxAccStatus GetLocation(wxRect& rect, int elementId) override;
// Gets the name of the specified object.
wxAccStatus GetName(int childId, wxString *name) override;
// Returns a role constant.
wxAccStatus GetRole(int childId, wxAccRole *role) override;
// Gets a variant representing the selected children
// of this object.
// Acceptable values:
// - a null variant (IsNull() returns TRUE)
// - a list variant (GetType() == wxT("list"))
// - an integer representing the selected child element,
// or 0 if this object is selected (GetType() == wxT("long"))
// - a "void*" pointer to a wxAccessible child object
//wxAccStatus GetSelections(wxVariant *selections) override;
// leave unimplemented
// Returns a state constant.
wxAccStatus GetState(int childId, long* state) override;
// Returns a localized string representing the value for the object
// or child.
wxAccStatus GetValue(int childId, wxString* strValue) override;
// Navigates from fromId to toId/toObject
// wxAccStatus Navigate(wxNavDir navDir, int fromId, int* toId, wxAccessible** toObject) override;
// Modify focus or selection
wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags) override;
private:
wxTreeCtrl *GetCtrl() { return static_cast<wxTreeCtrl*>( GetWindow() ); }
};
TreeCtrlAx::TreeCtrlAx( wxTreeCtrl *ctrl )
: WindowAccessible{ ctrl }
{
}
TreeCtrlAx::~TreeCtrlAx() = default;
wxAccStatus TreeCtrlAx::GetChild( int childId, wxAccessible** child )
{
if( childId == wxACC_SELF )
{
*child = this;
}
else
{
*child = NULL;
}
return wxACC_OK;
}
wxAccStatus TreeCtrlAx::GetChildCount(int* childCount)
{
auto ctrl = GetCtrl();
if (!ctrl)
return wxACC_FAIL;
*childCount = ctrl->GetCount();
return wxACC_OK;
}
wxAccStatus TreeCtrlAx::GetDefaultAction(int WXUNUSED(childId), wxString* actionName)
{
actionName->clear();
return wxACC_OK;
}
// Returns the description for this object or a child.
wxAccStatus TreeCtrlAx::GetDescription( int WXUNUSED(childId), wxString *description )
{
description->clear();
return wxACC_OK;
}
// This isn't really used yet by wxWidgets as patched by Audacity for
// Mac accessibility, as of Audacity 2.3.2, but here it is anyway, keeping the
// analogy with TrackPanelAx
wxAccStatus TreeCtrlAx::GetFocus( int *childId, wxAccessible **child )
{
auto ctrl = GetCtrl();
if (!ctrl)
return wxACC_FAIL;
auto item = ctrl->GetFocusedItem();
auto id = FindItemPosition( *ctrl, item );
*childId = id;
*child = nullptr;
return wxACC_OK;
}
// Returns help text for this object or a child, similar to tooltip text.
wxAccStatus TreeCtrlAx::GetHelpText( int WXUNUSED(childId), wxString *helpText )
{
helpText->clear();
return wxACC_OK;
}
// Returns the keyboard shortcut for this object or child.
// Return e.g. ALT+K
wxAccStatus TreeCtrlAx::GetKeyboardShortcut( int WXUNUSED(childId), wxString *shortcut )
{
shortcut->clear();
return wxACC_OK;
}
wxAccStatus TreeCtrlAx::GetLocation( wxRect& rect, int elementId )
{
auto ctrl = GetCtrl();
if (!ctrl)
return wxACC_FAIL;
if (elementId == wxACC_SELF)
rect = ctrl->GetRect();
else {
auto item = FindItem( *ctrl, elementId );
if ( !( item && ctrl->GetBoundingRect( item, rect ) ) )
return wxACC_INVALID_ARG;
}
rect.SetPosition( ctrl->GetParent()->ClientToScreen( rect.GetPosition() ) );
return wxACC_OK;
}
wxAccStatus TreeCtrlAx::GetName(int childId, wxString* name)
{
if ( childId == wxACC_SELF )
return WindowAccessible::GetName( childId, name );
else {
auto ctrl = GetCtrl();
if (!ctrl)
return wxACC_FAIL;
auto item = FindItem( *ctrl, childId );
if ( item ) {
*name = ctrl->GetItemText( item );
return wxACC_OK;
}
else
return wxACC_INVALID_ARG;
}
}
wxAccStatus TreeCtrlAx::GetRole( int childId, wxAccRole* role )
{
// Not sure if this correct, but it is analogous with what we use in
// TrackPanel
*role =
childId == wxACC_SELF ? wxROLE_SYSTEM_PANE : wxROLE_SYSTEM_STATICTEXT;
return wxACC_OK;
}
// Returns a state constant.
wxAccStatus TreeCtrlAx::GetState(int childId, long* state)
{
auto ctrl = GetCtrl();
if (!ctrl)
return wxACC_FAIL;
*state = wxACC_STATE_SYSTEM_FOCUSABLE | wxACC_STATE_SYSTEM_SELECTABLE;
if ( childId != wxACC_SELF ) {
auto item = FindItem( *ctrl, childId );
if (item) {
if( item == ctrl->GetFocusedItem() )
*state |= wxACC_STATE_SYSTEM_FOCUSED;
if( item == ctrl->GetSelection() )
*state |= wxACC_STATE_SYSTEM_SELECTED;
}
}
return wxACC_OK;
}
// Returns a localized string representing the value for the object
// or child.
wxAccStatus TreeCtrlAx::GetValue(int childId, wxString* strValue)
{
*strValue = wxString{};
return wxACC_OK;
}
//wxAccStatus TreeCtrlAx::Navigate(
// wxNavDir navDir, int fromId, int* toId, wxAccessible** toObject)
//{
// to do
//}
// Modify focus or selection
wxAccStatus TreeCtrlAx::Select(int childId, wxAccSelectionFlags selectFlags)
{
auto ctrl = GetCtrl();
if (!ctrl)
return wxACC_FAIL;
if (childId != wxACC_SELF) {
int childCount;
GetChildCount( &childCount );
if (childId > childCount)
return wxACC_FAIL;
auto item = FindItem( *ctrl, childId );
if ( item ) {
if (selectFlags == wxACC_SEL_TAKEFOCUS)
ctrl->SetFocusedItem( item );
else if (selectFlags == wxACC_SEL_TAKESELECTION)
ctrl->SelectItem( item );
else
return wxACC_NOT_IMPLEMENTED;
return wxACC_OK;
}
}
return wxACC_NOT_IMPLEMENTED;
}
#endif
#endif
// PrefsPanel might move out into its own file in due ocurse.
PluginPath PrefsPanel::GetPath(){ return BUILTIN_PREFS_PANEL_PREFIX + GetSymbol().Internal(); }
VendorSymbol PrefsPanel::GetVendor(){ return XO("Audacity");}
wxString PrefsPanel::GetVersion(){ return AUDACITY_VERSION_STRING;}
BEGIN_EVENT_TABLE(PrefsDialog, wxDialogWrapper)
EVT_BUTTON(wxID_OK, PrefsDialog::OnOK)
EVT_BUTTON(wxID_CANCEL, PrefsDialog::OnCancel)
EVT_BUTTON(wxID_PREVIEW, PrefsDialog::OnPreview)
EVT_BUTTON(wxID_HELP, PrefsDialog::OnHelp)
EVT_TREE_KEY_DOWN(wxID_ANY, PrefsDialog::OnTreeKeyDown) // Handles key events when tree has focus
END_EVENT_TABLE()
class wxTreebookExt final : public wxTreebook
{
public:
wxTreebookExt( wxWindow *parent,
wxWindowID id, const TranslatableString &titlePrefix)
: wxTreebook( parent, id )
, mTitlePrefix(titlePrefix)
{;};
~wxTreebookExt(){;};
int ChangeSelection(size_t n) override;
int SetSelection(size_t n) override;
const TranslatableString mTitlePrefix;
};
int wxTreebookExt::ChangeSelection(size_t n) {
int i = wxTreebook::ChangeSelection(n);
wxString Temp = GetPageText( n );
static_cast<wxDialog*>(GetParent())->SetTitle( Temp );
static_cast<wxDialog*>(GetParent())->SetName( Temp );
return i;
};
int wxTreebookExt::SetSelection(size_t n)
{
int i = wxTreebook::SetSelection(n);
auto Temp = mTitlePrefix.Translation() + wxT(" ") + GetPageText( n );
static_cast<wxDialog*>(GetParent())->SetTitle( Temp );
static_cast<wxDialog*>(GetParent())->SetName( Temp );
PrefsPanel *const panel = static_cast<PrefsPanel *>(GetPage(n));
const bool showHelp = (!panel->HelpPageName().empty());
const bool showPreview = panel->ShowsPreviewButton();
wxWindow *const helpButton = wxWindow::FindWindowById(wxID_HELP, GetParent());
wxWindow *const previewButton = wxWindow::FindWindowById(wxID_PREVIEW, GetParent());
if (helpButton) {
if (showHelp) {
wxAcceleratorEntry entries[1];
#if defined(__WXMAC__)
// Is there a standard shortcut on Mac?
#else
entries[0].Set(wxACCEL_NORMAL, (int) WXK_F1, wxID_HELP);
#endif
wxAcceleratorTable accel(1, entries);
this->SetAcceleratorTable(accel);
}
else {
this->SetAcceleratorTable(wxNullAcceleratorTable);
}
const bool changed = helpButton->Show(showHelp);
if (changed)
GetParent()->Layout();
}
if (previewButton) { // might still be NULL during population
const bool changed = previewButton->Show(showPreview);
if (changed)
GetParent()->Layout();
}
return i;
}
namespace {
struct Entry{
unsigned sequenceNumber;
PrefsDialog::PrefsNode node;
bool operator < ( const Entry &other ) const
{ return sequenceNumber < other.sequenceNumber; }
};
using Entries = std::vector< Entry >;
namespace Prefs {
Entries &Registry()
{
static Entries result;
return result;
}
}
}
PrefsPanel::Registration::Registration( unsigned sequenceNumber,
const Factory &factory,
unsigned nChildren,
bool expanded )
{
auto &registry = Prefs::Registry();
Entry entry{ sequenceNumber, { factory, nChildren, expanded } };
const auto end = registry.end();
// Find insertion point:
auto iter = std::lower_bound( registry.begin(), end, entry );
// There should not be duplicate sequence numbers:
wxASSERT( iter == end || entry < *iter );
registry.insert( iter, entry );
}
namespace {
struct PrefsItem final : Registry::ConcreteGroupItem<false> {
PrefsPanel::Factory factory;
bool expanded{ false };
PrefsItem( const wxString &name,
const PrefsPanel::Factory &factory_, bool expanded_ )
: ConcreteGroupItem<false>{ name }
, factory{ factory_ }, expanded{ expanded_ }
{}
};
// Collects registry tree nodes into a vector, in preorder.
struct PrefsItemVisitor final : Registry::Visitor {
PrefsItemVisitor( PrefsDialog::Factories &factories_ )
: factories{ factories_ }
{
childCounts.push_back( 0 );
}
void BeginGroup( Registry::GroupItem &item, const Path & ) override
{
auto pItem = dynamic_cast<PrefsItem*>( &item );
if (!pItem)
return;
indices.push_back( factories.size() );
factories.emplace_back( pItem->factory, 0, pItem->expanded );
++childCounts.back();
childCounts.push_back( 0 );
}
void EndGroup( Registry::GroupItem &item, const Path & ) override
{
auto pItem = dynamic_cast<PrefsItem*>( &item );
if (!pItem)
return;
auto &factory = factories[ indices.back() ];
factory.nChildren = childCounts.back();
childCounts.pop_back();
indices.pop_back();
}
PrefsDialog::Factories &factories;
std::vector<size_t> childCounts;
std::vector<size_t> indices;
};
const auto PathStart = wxT("Preferences");
}
PrefsDialog::Factories
&PrefsDialog::DefaultFactories()
{
// Once only, cause initial population of preferences for the ordering
// of some preference pages that used to be given in a table but are now
// separately registered in several .cpp files; the sequence of registration
// depends on unspecified accidents of static initialization order across
// compilation units, so we need something specific here to preserve old
// default appearance of the preference dialog.
// But this needs only to mention some strings -- there is no compilation or
// link dependency of this source file on those other implementation files.
static Registry::OrderingPreferenceInitializer init{
PathStart,
{
{wxT(""),
wxT("Device,Playback,Recording,Quality,GUI,Tracks,ImportExport,Projects,Directories,Warnings,Effects,KeyConfig,Mouse")
},
{wxT("/Tracks"), wxT("TracksBehaviors,Spectrum")},
}
};
static Factories factories;
static std::once_flag flag;
std::call_once( flag, []{
for ( const auto &entry : Prefs::Registry() ) {
factories.push_back( entry.node );
}
} );
return factories;
}
PrefsDialog::PrefsDialog(
wxWindow * parent, AudacityProject *pProject,
const TranslatableString &titlePrefix, Factories &factories)
: wxDialogWrapper(parent, wxID_ANY, XO("Audacity Preferences"),
wxDefaultPosition,
wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
, mFactories(factories)
, mTitlePrefix(titlePrefix)
{
wxASSERT(factories.size() > 0);
const bool uniquePage = (factories.size() == 1);
SetLayoutDirection(wxLayout_LeftToRight);
ShuttleGui S(this, eIsCreating);
S.StartVerticalLay(true);
{
wxASSERT(factories.size() > 0);
if (!uniquePage) {
mCategories = safenew wxTreebookExt(S.GetParent(), wxID_ANY, mTitlePrefix);
#if wxUSE_ACCESSIBILITY
// so that name can be set on a standard control
mCategories->GetTreeCtrl()->SetAccessible(
safenew TreeCtrlAx(mCategories->GetTreeCtrl()));
#endif
// RJH: Prevent NVDA from reading "treeCtrl"
mCategories->GetTreeCtrl()->SetName(_("Category"));
S.StartHorizontalLay(wxALIGN_LEFT | wxEXPAND, true);
{
S.Prop(1)
.Position(wxEXPAND)
.AddWindow(mCategories);
{
typedef std::pair<int, int> IntPair;
std::vector<IntPair> stack;
int iPage = 0;
for (Factories::const_iterator it = factories.begin(), end = factories.end();
it != end; ++it, ++iPage)
{
const PrefsNode &node = *it;
const PrefsPanel::Factory &factory = node.factory;
wxWindow *const w = factory(mCategories, wxID_ANY, pProject);
if (stack.empty())
// Parameters are: AddPage(page, name, IsSelected, imageId).
mCategories->AddPage(w, w->GetName(), false, 0);
else {
IntPair &top = *stack.rbegin();
mCategories->InsertSubPage(top.first, w, w->GetName(), false, 0);
if (--top.second == 0) {
// Expand all nodes before the layout calculation
mCategories->ExpandNode(top.first, true);
stack.pop_back();
}
}
if (node.nChildren > 0)
stack.push_back(IntPair(iPage, node.nChildren));
}
}
}
S.EndHorizontalLay();
}
else {
// TODO: Look into getting rid of mUniquePage and instead
// adding into mCategories, so there is just one page in mCategories.
// And then hiding the treebook.
// Unique page, don't show the factory
const PrefsNode &node = factories[0];
const PrefsPanel::Factory &factory = node.factory;
mUniquePage = factory(S.GetParent(), wxID_ANY, pProject);
wxWindow * uniquePageWindow = S.Prop(1)
.Position(wxEXPAND)
.AddWindow(mUniquePage);
// We're not in the wxTreebook, so add the accelerator here
wxAcceleratorEntry entries[1];
#if defined(__WXMAC__)
// Is there a standard shortcut on Mac?
#else
entries[0].Set(wxACCEL_NORMAL, (int) WXK_F1, wxID_HELP);
#endif
wxAcceleratorTable accel(1, entries);
uniquePageWindow->SetAcceleratorTable(accel);
}
}
S.EndVerticalLay();
S.AddStandardButtons(eOkButton | eCancelButton | ePreviewButton | eHelpButton);
if (mUniquePage && !mUniquePage->ShowsPreviewButton()) {
wxWindow *const previewButton =
wxWindow::FindWindowById(wxID_PREVIEW, GetParent());
previewButton->Show(false);
}
#if defined(__WXGTK__)
if (mCategories)
mCategories->GetTreeCtrl()->EnsureVisible(mCategories->GetTreeCtrl()->GetRootItem());
#endif
// mCategories->SetMaxSize({ 790, 600 }); // 790 = 800 - (border * 2)
Layout();
Fit();
wxSize sz = GetSize();
// Collapse nodes only after layout so the tree is wide enough
if (mCategories)
{
int iPage = 0;
for (Factories::const_iterator it = factories.begin(), end = factories.end();
it != end; ++it, ++iPage)
mCategories->ExpandNode(iPage, it->expanded);
}
// This ASSERT was originally used to limit us to 800 x 600.
// However, the range of screen sizes and dpi of modern (2018) displays
// makes pixel dimensions an inadequate measure of usability, so
// now we only ASSERT that preferences will fit in the client display
// rectangle of the developer / tester's monitor.
// Use scrollers when necessary to ensure that preference pages will
// be fully visible.
wxRect screenRect(wxGetClientDisplayRect());
wxASSERT_MSG(sz.x <= screenRect.width && sz.y <= screenRect.height, wxT("Preferences dialog exceeds max size"));
sz.DecTo(screenRect.GetSize());
if( !mUniquePage ){
int prefWidth, prefHeight;
gPrefs->Read(wxT("/Prefs/Width"), &prefWidth, sz.x);
gPrefs->Read(wxT("/Prefs/Height"), &prefHeight, wxMax(480,sz.y));
wxSize prefSize = wxSize(prefWidth, prefHeight);
prefSize.DecTo(screenRect.GetSize());
SetSize(prefSize);
InvalidateBestSize();
Layout();
}
SetMinSize(sz);
// Center after all that resizing, but make sure it doesn't end up
// off-screen
CentreOnParent();
}
PrefsDialog::~PrefsDialog()
{
}
int PrefsDialog::ShowModal()
{
if (mCategories) {
/* long is signed, size_t is unsigned. On some platforms they are different
* lengths as well. So we must check that the stored category is both > 0
* and within the possible range of categories, making the first check on the
* _signed_ value to avoid issues when converting an unsigned one.
*/
long selected = GetPreferredPage();
if (selected < 0 || size_t(selected) >= mCategories->GetPageCount())
selected = 0; // clamp to available range of tabs
mCategories->SetSelection(selected);
}
else {
auto Temp = mTitlePrefix;
Temp.Join( Verbatim( mUniquePage->GetLabel() ), wxT(" ") );
SetTitle(Temp);
SetName(Temp);
}
return wxDialogWrapper::ShowModal();
}
void PrefsDialog::OnCancel(wxCommandEvent & WXUNUSED(event))
{
RecordExpansionState();
if (mCategories) {
for (size_t i = 0; i < mCategories->GetPageCount(); i++) {
((PrefsPanel *)mCategories->GetPage(i))->Cancel();
}
}
else
mUniquePage->Cancel();
// Remember modified dialog size, even if cancelling.
if( !mUniquePage ){
wxSize sz = GetSize();
gPrefs->Write(wxT("/Prefs/Width"), sz.x);
gPrefs->Write(wxT("/Prefs/Height"), sz.y);
}
gPrefs->Flush();
EndModal(false);
}
PrefsPanel * PrefsDialog::GetCurrentPanel()
{
if( mCategories)
return static_cast<PrefsPanel*>(mCategories->GetCurrentPage());
else
{
wxASSERT( mUniquePage );
return mUniquePage;
}
}
void PrefsDialog::OnPreview(wxCommandEvent & WXUNUSED(event))
{
GetCurrentPanel()->Preview();
}
void PrefsDialog::OnHelp(wxCommandEvent & WXUNUSED(event))
{
wxString page = GetCurrentPanel()->HelpPageName();
HelpSystem::ShowHelp(this, page, true);
}
void PrefsDialog::ShuttleAll( ShuttleGui & S)
{
// Validate all pages first
if (mCategories) {
for (size_t i = 0; i < mCategories->GetPageCount(); i++) {
S.ResetId();
PrefsPanel *panel = (PrefsPanel *)mCategories->GetPage(i);
panel->PopulateOrExchange( S );
}
}
else
{
S.ResetId();
mUniquePage->PopulateOrExchange( S );
}
}
void PrefsDialog::OnTreeKeyDown(wxTreeEvent & event)
{
if(event.GetKeyCode() == WXK_RETURN)
OnOK(event);
else
event.Skip(); // Ensure standard behavior when enter is not pressed
}
void PrefsDialog::OnOK(wxCommandEvent & WXUNUSED(event))
{
RecordExpansionState();
// Validate all pages first
if (mCategories) {
for (size_t i = 0; i < mCategories->GetPageCount(); i++) {
PrefsPanel *panel = (PrefsPanel *)mCategories->GetPage(i);
// The dialog doesn't end until all the input is valid
if (!panel->Validate()) {
mCategories->SetSelection(i);
return;
}
}
}
else {
if (!mUniquePage->Validate())
return;
}
// flush now so toolbars will know their position.
gPrefs->Flush();
if (mCategories) {
// Now apply the changes
// Reverse order - so Track Name is updated before language change
// A workaround for Bug 1661
for (int i = (int)mCategories->GetPageCount()-1; i>= 0; i--) {
PrefsPanel *panel = (PrefsPanel *)mCategories->GetPage(i);
panel->Preview();
panel->Commit();
}
}
else {
mUniquePage->Preview();
mUniquePage->Commit();
}
if( !mUniquePage ){
wxSize sz = GetSize();
gPrefs->Write(wxT("/Prefs/Width"), sz.x);
gPrefs->Write(wxT("/Prefs/Height"), sz.y);
}
gPrefs->Flush();
SavePreferredPage();
#if USE_PORTMIXER
auto gAudioIO = AudioIOBase::Get();
if (gAudioIO) {
// We cannot have opened this dialog if gAudioIO->IsAudioTokenActive(),
// per the setting of AudioIONotBusyFlag and AudioIOBusyFlag in
// AudacityProject::GetUpdateFlags().
// However, we can have an invalid audio token (so IsAudioTokenActive()
// is false), but be monitoring.
// If monitoring, have to stop the stream, so HandleDeviceChange() can work.
// We could disable the Preferences command while monitoring, i.e.,
// set AudioIONotBusyFlag/AudioIOBusyFlag according to monitoring, as well.
// Instead allow it because unlike recording, for example, monitoring
// is not clearly something that should prohibit opening prefs.
// TODO: We *could* be smarter in this method and call HandleDeviceChange()
// only when the device choices actually changed. True of lots of prefs!
// As is, we always stop monitoring before handling the device change.
if (gAudioIO->IsMonitoring())
{
gAudioIO->StopStream();
while (gAudioIO->IsBusy())
wxMilliSleep(100);
}
gAudioIO->HandleDeviceChange();
}
#endif
// PRL: Is the following concern still valid, now that prefs update is
// handled instead by delayed event processing?
// LL: wxMac can't handle recreating the menus when this dialog is still active,
// so AudacityProject::UpdatePrefs() or any of the routines it calls must
// not cause MenuCreator::RebuildMenuBar() to be executed.
wxTheApp->AddPendingEvent(wxCommandEvent{ EVT_PREFS_UPDATE });
if( IsModal() )
EndModal(true);
else
Destroy();
}
void PrefsDialog::SelectPageByName(const wxString &pageName)
{
if (mCategories) {
size_t n = mCategories->GetPageCount();
for (size_t i = 0; i < n; i++) {
if (mCategories->GetPageText(i) == pageName) {
mCategories->SetSelection(i);
return;
}
}
}
}
int PrefsDialog::GetSelectedPage() const
{
if (mCategories)
return mCategories->GetSelection();
else
return 0;
}
GlobalPrefsDialog::GlobalPrefsDialog(
wxWindow * parent, AudacityProject *pProject, Factories &factories)
: PrefsDialog(parent, pProject, XO("Preferences:"), factories)
{
}
GlobalPrefsDialog::~GlobalPrefsDialog()
{
}
long GlobalPrefsDialog::GetPreferredPage()
{
long prefscat = gPrefs->Read(wxT("/Prefs/PrefsCategory"), 0L);
return prefscat;
}
void GlobalPrefsDialog::SavePreferredPage()
{
gPrefs->Write(wxT("/Prefs/PrefsCategory"), (long)GetSelectedPage());
gPrefs->Flush();
}
void PrefsDialog::RecordExpansionState()
{
// Remember expansion state of the tree control
if (mCategories)
{
int iPage = 0;
for (Factories::iterator it = mFactories.begin(), end = mFactories.end();
it != end; ++it, ++iPage)
it->expanded = mCategories->IsNodeExpanded(iPage);
}
else
mFactories[0].expanded = true;
}
PrefsPanel::~PrefsPanel()
{
}
void PrefsPanel::Cancel()
{
}
bool PrefsPanel::ShowsPreviewButton()
{
return false;
}
wxString PrefsPanel::HelpPageName()
{
return wxEmptyString;
}
#include <wx/frame.h>
#include "../Menus.h"
#include "../Project.h"
void DoReloadPreferences( AudacityProject &project )
{
{
GlobalPrefsDialog dialog(
&GetProjectFrame( project ) /* parent */, &project );
wxCommandEvent Evt;
//dialog.Show();
dialog.OnOK(Evt);
}
// LL: Moved from PrefsDialog since wxWidgets on OSX can't deal with
// rebuilding the menus while the PrefsDialog is still in the modal
// state.
for (auto p : AllProjects{}) {
MenuManager::Get(*p).RebuildMenuBar(*p);
// TODO: The comment below suggests this workaround is obsolete.
#if defined(__WXGTK__)
// Workaround for:
//
// http://bugzilla.audacityteam.org/show_bug.cgi?id=458
//
// This workaround should be removed when Audacity updates to wxWidgets
// 3.x which has a fix.
auto &window = GetProjectFrame( *p );
wxRect r = window.GetRect();
window.SetSize(wxSize(1,1));
window.SetSize(r.GetSize());
#endif
}
}
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