Add a button to the preferences dialog to reset all options to the defaults

Originally committed to SVN as r6690.

aegisub/src/command/app.cpp

@@ -238,7 +238,7 @@ struct app_options : public Command {
 
 	void operator()(agi::Context *c) {
 		try {
-			Preferences(c->parent).ShowModal();
+			while (Preferences(c->parent).ShowModal() < 0);
 		} catch (agi::Exception& e) {
 			LOG_E("config/init") << "Caught exception: " << e.GetName() << " -> " << e.GetMessage();
 		}

aegisub/src/preferences.cpp

@@ -38,6 +38,7 @@
 #endif
 
 #include <libaegisub/exception.h>
+#include <libaegisub/hotkey.h>
 
 #include "preferences.h"
 
@@ -614,6 +615,10 @@ void Preferences::AddPendingChange(Thunk const& callback) {
 		applyButton->Enable(true);
 }
 
+void Preferences::AddChangeableOption(std::string const& name) {
+	option_names.push_back(name);
+}
+
 void Preferences::OnOK(wxCommandEvent &event) {
 	OnApply(event);
 	EndModal(0);
@@ -653,6 +658,25 @@ void Preferences::OnApply(wxCommandEvent &) {
 	config::opt->Flush();
 }
 
+void Preferences::OnResetDefault(wxCommandEvent&) {
+	if (wxYES != wxMessageBox(_("Are you sure that you want to restore the defaults? All your settings will be overridden."), _("Restore defaults?"), wxYES_NO))
+		return;
+
+	for (std::deque<std::string>::iterator it = option_names.begin(); it != option_names.end(); ++it) {
+		agi::OptionValue *opt = OPT_SET(*it);
+		if (!opt->IsDefault())
+			opt->Reset();
+	}
+	config::opt->Flush();
+
+	agi::hotkey::Hotkey def_hotkeys("", GET_DEFAULT_CONFIG(default_hotkey));
+	hotkey::inst->SetHotkeyMap(def_hotkeys.GetHotkeyMap());
+
+	// Close and reopen the dialog to update all the controls with the new values
+	OPT_SET("Tool/Preferences/Page")->SetInt(book->GetSelection());
+	EndModal(-1);
+}
+
 static void PageChanged(wxBookCtrlEvent& evt) {
 	OPT_SET("Tool/Preferences/Page")->SetInt(evt.GetSelection());
 }
@@ -681,11 +705,16 @@ Preferences::Preferences(wxWindow *parent): wxDialog(parent, -1, _("Preferences"
 	// Bottom Buttons
 	wxStdDialogButtonSizer *stdButtonSizer = CreateStdDialogButtonSizer(wxOK | wxCANCEL | wxAPPLY | wxHELP);
 	applyButton = stdButtonSizer->GetApplyButton();
+	wxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
+	wxButton *defaultButton = new wxButton(this, -1, _("&Restore Defaults"));
+	buttonSizer->Add(defaultButton, wxSizerFlags(0).Expand());
+	buttonSizer->AddStretchSpacer(1);
+	buttonSizer->Add(stdButtonSizer, wxSizerFlags(0).Expand());
 
 	// Main Sizer
 	wxSizer *mainSizer = new wxBoxSizer(wxVERTICAL);
 	mainSizer->Add(book, wxSizerFlags(1).Expand().Border());
-	mainSizer->Add(stdButtonSizer, wxSizerFlags(0).Expand().Border(wxALL & ~wxTOP));
+	mainSizer->Add(buttonSizer, wxSizerFlags(0).Expand().Border(wxALL & ~wxTOP));
 
 	SetSizerAndFit(mainSizer);
 	SetMinSize(wxSize(-1, 500));
@@ -697,6 +726,7 @@ Preferences::Preferences(wxWindow *parent): wxDialog(parent, -1, _("Preferences"
 	Bind(wxEVT_COMMAND_BUTTON_CLICKED, &Preferences::OnOK, this, wxID_OK);
 	Bind(wxEVT_COMMAND_BUTTON_CLICKED, &Preferences::OnApply, this, wxID_APPLY);
 	Bind(wxEVT_COMMAND_BUTTON_CLICKED, std::tr1::bind(&HelpButton::OpenPage, "Options"), wxID_HELP);
+	defaultButton->Bind(wxEVT_COMMAND_BUTTON_CLICKED, &Preferences::OnResetDefault, this);
 }
 
 Preferences::~Preferences() {

aegisub/src/preferences.h

@@ -37,7 +37,7 @@ DEFINE_BASE_EXCEPTION_NOINNER(PreferencesError, agi::Exception)
 DEFINE_SIMPLE_EXCEPTION_NOINNER(PreferenceIncorrectType, PreferencesError, "preferences/incorrect_type")
 DEFINE_SIMPLE_EXCEPTION_NOINNER(PreferenceNotSupported, PreferencesError, "preferences/not_supported")
 
-class Preferences: public wxDialog {
+class Preferences : public wxDialog {
 public:
 	typedef std::tr1::function<void ()> Thunk;
 private:
@@ -46,15 +46,30 @@ private:
 
 	std::map<std::string, agi::OptionValue*> pending_changes;
 	std::deque<Thunk> pending_callbacks;
+	std::deque<std::string> option_names;
 
-	void OnOK(wxCommandEvent &event);
-	void OnCancel(wxCommandEvent &event);
-	void OnApply(wxCommandEvent &event);
+	void OnOK(wxCommandEvent &);
+	void OnCancel(wxCommandEvent &);
+	void OnApply(wxCommandEvent &);
+	void OnResetDefault(wxCommandEvent&);
 
 public:
 	Preferences(wxWindow *parent);
 	~Preferences();
 
+	/// Add an option to be set when the OK or Apply button is clicked
+	/// @param new_value Clone of the option with the new value to copy over
 	void SetOption(agi::OptionValue *new_value);
+
+	/// All a function to call when the OK or Apply button is clicked
+	/// @param callback Function to call
 	void AddPendingChange(Thunk const& callback);
+
+	/// Add an option which can be changed via the dialog
+	/// @param name Name of the option
+	///
+	/// This is used for resetting options to the defaults. We don't want to
+	/// simply revert to the default config file as a bunch of things other than
+	/// user options are stored in it. Perhaps that should change in the future.
+	void AddChangeableOption(std::string const& name);
 };

aegisub/src/preferences_base.cpp

@@ -131,6 +131,7 @@ void OptionPage::CellSkip(wxFlexGridSizer *flex) {
 }
 
 wxControl *OptionPage::OptionAdd(wxFlexGridSizer *flex, const wxString &name, const char *opt_name, double min, double max, double inc) {
+	parent->AddChangeableOption(opt_name);
 	const agi::OptionValue *opt = OPT_GET(opt_name);
 
 	switch (opt->GetType()) {
@@ -176,6 +177,7 @@ wxControl *OptionPage::OptionAdd(wxFlexGridSizer *flex, const wxString &name, co
 }
 
 void OptionPage::OptionChoice(wxFlexGridSizer *flex, const wxString &name, const wxArrayString &choices, const char *opt_name) {
+	parent->AddChangeableOption(opt_name);
 	const agi::OptionValue *opt = OPT_GET(opt_name);
 
 	wxComboBox *cb = new wxComboBox(this, -1, wxEmptyString, wxDefaultPosition, wxDefaultSize, choices, wxCB_READONLY | wxCB_DROPDOWN);
@@ -214,6 +216,7 @@ wxFlexGridSizer* OptionPage::PageSizer(wxString name) {
 }
 
 void OptionPage::OptionBrowse(wxFlexGridSizer *flex, const wxString &name, const char *opt_name, wxControl *enabler, bool do_enable) {
+	parent->AddChangeableOption(opt_name);
 	const agi::OptionValue *opt = OPT_GET(opt_name);
 
 	if (opt->GetType() != agi::OptionValue::Type_String)
@@ -247,6 +250,9 @@ void OptionPage::OptionFont(wxSizer *sizer, std::string opt_prefix) {
 	const agi::OptionValue *face_opt = OPT_GET(opt_prefix + "Font Face");
 	const agi::OptionValue *size_opt = OPT_GET(opt_prefix + "Font Size");
 
+	parent->AddChangeableOption(face_opt->GetName());
+	parent->AddChangeableOption(size_opt->GetName());
+
 	wxTextCtrl *font_name = new wxTextCtrl(this, -1, face_opt->GetString());
 	font_name->Bind(wxEVT_COMMAND_TEXT_UPDATED, StringUpdater(face_opt->GetName().c_str(), parent));
 

aegisub/src/preferences_base.h

@@ -21,10 +21,10 @@
 
 class Preferences;
 
-class OptionPage: public wxScrolled<wxPanel> {
+class OptionPage : public wxScrolled<wxPanel> {
 	template<class T>
 	void Add(wxSizer *sizer, wxString const& label, T *control);
-public:
+protected:
 	enum Style {
 		PAGE_DEFAULT    =   0x00000000,
 		PAGE_SCROLL     =   0x00000001,
@@ -34,7 +34,6 @@ public:
 	wxSizer *sizer;
 	Preferences *parent;
 
-	OptionPage(wxTreebook *book, Preferences *parent, wxString name, int style = PAGE_DEFAULT);
 
 	wxFlexGridSizer* PageSizer(wxString name);
 
@@ -43,9 +42,12 @@ public:
 	void OptionChoice(wxFlexGridSizer *flex, const wxString &name, const wxArrayString &choices, const char *opt_name);
 	void OptionBrowse(wxFlexGridSizer *flex, const wxString &name, const char *opt_name, wxControl *enabler = 0, bool do_enable = false);
 	void OptionFont(wxSizer *sizer, std::string opt_prefix);
+public:
 
 	/// Enable ctrl only when cbx is checked
 	void EnableIfChecked(wxControl *cbx, wxControl *ctrl);
 	/// Enable ctrl only when cbx is not checked
 	void DisableIfChecked(wxControl *cbx, wxControl *ctrl);
+
+	OptionPage(wxTreebook *book, Preferences *parent, wxString name, int style = PAGE_DEFAULT);
 };