MgCommand* MgCmdManagerImpl::findCommand(const char* name)
{
CMDS::iterator it = _cmds.find(name);
if (it == _cmds.end() && *name)
{
MgCommand* cmd = NULL;
Factories::iterator itf = _factories.find(name);
if (itf != _factories.end() && itf->second) {
cmd = (itf->second)();
}
if (!cmd && strcmp(name, "select") == 0) {
cmd = MgCmdSelect::Create();
}
if (cmd) {
_cmds[name] = cmd;
it = _cmds.find(name);
}
}
return it != _cmds.end() ? it->second : NULL;
}
PrefsDialog::PrefsDialog
(wxWindow * parent, const wxString &titlePrefix, Factories &factories)
: wxDialogWrapper(parent, wxID_ANY, wxString(_("Audacity Preferences")),
wxDefaultPosition,
wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
, mFactories(factories)
, mTitlePrefix(titlePrefix)
{
wxASSERT(factories.size() > 0);
const bool uniquePage = (factories.size() == 1);
ShuttleGui S(this, eIsCreating);
S.StartVerticalLay(true);
{
wxASSERT(factories.size() > 0);
if (!uniquePage) {
mCategories = safenew wxTreebookExt(this, wxID_ANY, mTitlePrefix);
S.StartHorizontalLay(wxALIGN_LEFT | wxEXPAND, true);
{
S.Prop(1);
S.AddWindow(mCategories, wxEXPAND);
{
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;
PrefsPanelFactory &factory = *node.pFactory;
wxWindow *const w = factory.Create(mCategories);
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 {
// Unique page, don't show the factory
const PrefsNode &node = factories[0];
PrefsPanelFactory &factory = *node.pFactory;
mUniquePage = factory.Create(this);
S.AddWindow(mUniquePage, wxEXPAND);
}
}
S.EndVerticalLay();
S.AddStandardButtons(eOkButton | eCancelButton | eApplyButton);
static_cast<wxButton*>(wxWindow::FindWindowById(wxID_OK, this))->SetDefault();
if (mUniquePage && !mUniquePage->ShowsApplyButton()) {
wxWindow *const applyButton =
wxWindow::FindWindowById(wxID_APPLY, GetParent());
applyButton->Show(false);
}
#if defined(__WXGTK__)
if (mCategories)
mCategories->GetTreeCtrl()->EnsureVisible(mCategories->GetTreeCtrl()->GetRootItem());
#endif
// mCategories->SetSizeHints(-1, -1, 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 used to limit us to 800 x 600.
// However, we think screens have got bigger now, and that was a bit too restrictive.
// The impetus for increasing the limit (before we ASSERT) was that this ASSERT
// was firing with wxWidgets 3.0, which has slightly different sizer behaviour.
wxASSERT_MSG(sz.x <= 1000 && sz.y <= 750, wxT("Preferences dialog exceeds max size"));
if (sz.x > 800) {
sz.x = 800;
}
if (sz.y > 600) {
sz.y = 600;
}
// Set the minimum height to be slightly bigger than default, as fix for bug 161.
// The magic number 7 was determined by Ed's experimentation.
// Frankly, this is a hack to work around a bug in wxTreebook, and
// will have to be revisited if we add another category to mCategories.
// JKC later added a category and 20 onto the 7.
sz.y += 7 + 20;
SetSize(sz);
SetMinSize(sz);
// Center after all that resizing, but make sure it doesn't end up
// off-screen
CentreOnParent();
}
void add_factory(const char* name)
{
assert(factories.find(name) == factories.end());
factories[name] = std::unique_ptr<AbstractObjectFactory>(new ConcreteObjectFactory<C>());
}