#include "timer.h"
-class DebugScopeTimer {
- Timer m_timer;
- const char *m_operation;
+class DebugScopeTimer
+{
+Timer m_timer;
+const char* m_operation;
public:
- DebugScopeTimer(const char *operation)
- : m_operation(operation)
- {
- m_timer.start();
- }
-
- ~DebugScopeTimer()
- {
- unsigned int elapsed = m_timer.elapsed_msec();
- if (elapsed > 0) {
- globalOutputStream() << m_operation << ": " << elapsed << " msec\n";
- }
- }
+DebugScopeTimer( const char* operation )
+ : m_operation( operation ){
+ m_timer.start();
+}
+~DebugScopeTimer(){
+ unsigned int elapsed = m_timer.elapsed_msec();
+ if ( elapsed > 0 ) {
+ globalOutputStream() << m_operation << ": " << elapsed << " msec\n";
+ }
+}
};
-class RadiantUndoSystem : public UndoSystem {
- UINT_CONSTANT(MAX_UNDO_LEVELS, 1024);
-
- class Snapshot {
- class StateApplicator {
- public:
- Undoable *m_undoable;
- private:
- UndoMemento *m_data;
- public:
-
- StateApplicator(Undoable *undoable, UndoMemento *data)
- : m_undoable(undoable), m_data(data)
- {
- }
-
- void restore()
- {
- m_undoable->importState(m_data);
- }
-
- void release()
- {
- m_data->release();
- }
- };
-
- typedef std::list<StateApplicator> states_t;
- states_t m_states;
-
- public:
- bool empty() const
- {
- return m_states.empty();
- }
-
- std::size_t size() const
- {
- return m_states.size();
- }
-
- void save(Undoable *undoable)
- {
- m_states.push_front(StateApplicator(undoable, undoable->exportState()));
- }
-
- void restore()
- {
- for (states_t::iterator i = m_states.begin(); i != m_states.end(); ++i) {
- (*i).restore();
- }
- }
-
- void release()
- {
- for (states_t::iterator i = m_states.begin(); i != m_states.end(); ++i) {
- (*i).release();
- }
- }
- };
-
- struct Operation {
- Snapshot m_snapshot;
- CopiedString m_command;
-
- Operation(const char *command)
- : m_command(command)
- {
- }
-
- ~Operation()
- {
- m_snapshot.release();
- }
- };
-
-
- class UndoStack {
-//! Note: using std::list instead of vector/deque, to avoid copying of undos
- typedef std::list<Operation *> Operations;
-
- Operations m_stack;
- Operation *m_pending;
-
- public:
- UndoStack() : m_pending(0)
- {
- }
-
- ~UndoStack()
- {
- clear();
- }
-
- bool empty() const
- {
- return m_stack.empty();
- }
-
- std::size_t size() const
- {
- return m_stack.size();
- }
-
- Operation *back()
- {
- return m_stack.back();
- }
-
- const Operation *back() const
- {
- return m_stack.back();
- }
-
- Operation *front()
- {
- return m_stack.front();
- }
-
- const Operation *front() const
- {
- return m_stack.front();
- }
-
- void pop_front()
- {
- delete m_stack.front();
- m_stack.pop_front();
- }
-
- void pop_back()
- {
- delete m_stack.back();
- m_stack.pop_back();
- }
-
- void clear()
- {
- if (!m_stack.empty()) {
- for (Operations::iterator i = m_stack.begin(); i != m_stack.end(); ++i) {
- delete *i;
- }
- m_stack.clear();
- }
- }
-
- void start(const char *command)
- {
- if (m_pending != 0) {
- delete m_pending;
- }
- m_pending = new Operation(command);
- }
-
- bool finish(const char *command)
- {
- if (m_pending != 0) {
- delete m_pending;
- m_pending = 0;
- return false;
- } else {
- ASSERT_MESSAGE(!m_stack.empty(), "undo stack empty");
- m_stack.back()->m_command = command;
- return true;
- }
- }
-
- void save(Undoable *undoable)
- {
- if (m_pending != 0) {
- m_stack.push_back(m_pending);
- m_pending = 0;
- }
- back()->m_snapshot.save(undoable);
- }
- };
-
- UndoStack m_undo_stack;
- UndoStack m_redo_stack;
-
- class UndoStackFiller : public UndoObserver {
- UndoStack *m_stack;
- public:
-
- UndoStackFiller()
- : m_stack(0)
- {
- }
-
- void save(Undoable *undoable)
- {
- ASSERT_NOTNULL(undoable);
-
- if (m_stack != 0) {
- m_stack->save(undoable);
- m_stack = 0;
- }
- }
-
- void setStack(UndoStack *stack)
- {
- m_stack = stack;
- }
- };
-
- typedef std::map<Undoable *, UndoStackFiller> undoables_t;
- undoables_t m_undoables;
-
- void mark_undoables(UndoStack *stack)
- {
- for (undoables_t::iterator i = m_undoables.begin(); i != m_undoables.end(); ++i) {
- (*i).second.setStack(stack);
- }
- }
-
- std::size_t m_undo_levels;
+class RadiantUndoSystem : public UndoSystem
+{
+UINT_CONSTANT( MAX_UNDO_LEVELS, 1024 );
- typedef std::set<UndoTracker *> Trackers;
- Trackers m_trackers;
+class Snapshot
+{
+class StateApplicator
+{
+public:
+Undoable* m_undoable;
+private:
+UndoMemento* m_data;
public:
- RadiantUndoSystem()
- : m_undo_levels(64)
- {
- }
-
- ~RadiantUndoSystem()
- {
- clear();
- }
-
- UndoObserver *observer(Undoable *undoable)
- {
- ASSERT_NOTNULL(undoable);
-
- return &m_undoables[undoable];
- }
-
- void release(Undoable *undoable)
- {
- ASSERT_NOTNULL(undoable);
-
- m_undoables.erase(undoable);
- }
-
- void setLevels(std::size_t levels)
- {
- if (levels > MAX_UNDO_LEVELS()) {
- levels = MAX_UNDO_LEVELS();
- }
- while (m_undo_stack.size() > levels) {
- m_undo_stack.pop_front();
- }
- m_undo_levels = levels;
- }
+StateApplicator( Undoable* undoable, UndoMemento* data )
+ : m_undoable( undoable ), m_data( data ){
+}
+void restore(){
+ m_undoable->importState( m_data );
+}
+void release(){
+ m_data->release();
+}
+};
- std::size_t getLevels() const
- {
- return m_undo_levels;
- }
+typedef std::list<StateApplicator> states_t;
+states_t m_states;
- std::size_t size() const
- {
- return m_undo_stack.size();
- }
+public:
+bool empty() const {
+ return m_states.empty();
+}
+std::size_t size() const {
+ return m_states.size();
+}
+void save( Undoable* undoable ){
+ m_states.push_front( StateApplicator( undoable, undoable->exportState() ) );
+}
+void restore(){
+ for ( states_t::iterator i = m_states.begin(); i != m_states.end(); ++i )
+ {
+ ( *i ).restore();
+ }
+}
+void release(){
+ for ( states_t::iterator i = m_states.begin(); i != m_states.end(); ++i )
+ {
+ ( *i ).release();
+ }
+}
+};
- void startUndo()
- {
- m_undo_stack.start("unnamedCommand");
- mark_undoables(&m_undo_stack);
- }
+struct Operation
+{
+ Snapshot m_snapshot;
+ CopiedString m_command;
+
+ Operation( const char* command )
+ : m_command( command ){
+ }
+ ~Operation(){
+ m_snapshot.release();
+ }
+};
- bool finishUndo(const char *command)
- {
- bool changed = m_undo_stack.finish(command);
- mark_undoables(0);
- return changed;
- }
- void startRedo()
- {
- m_redo_stack.start("unnamedCommand");
- mark_undoables(&m_redo_stack);
- }
+class UndoStack
+{
+//! Note: using std::list instead of vector/deque, to avoid copying of undos
+typedef std::list<Operation*> Operations;
- bool finishRedo(const char *command)
- {
- bool changed = m_redo_stack.finish(command);
- mark_undoables(0);
- return changed;
- }
+Operations m_stack;
+Operation* m_pending;
- void start()
- {
- m_redo_stack.clear();
- if (m_undo_stack.size() == m_undo_levels) {
- m_undo_stack.pop_front();
- }
- startUndo();
- trackersBegin();
- }
+public:
+UndoStack() : m_pending( 0 ){
+}
+~UndoStack(){
+ clear();
+}
+bool empty() const {
+ return m_stack.empty();
+}
+std::size_t size() const {
+ return m_stack.size();
+}
+Operation* back(){
+ return m_stack.back();
+}
+const Operation* back() const {
+ return m_stack.back();
+}
+Operation* front(){
+ return m_stack.front();
+}
+const Operation* front() const {
+ return m_stack.front();
+}
+void pop_front(){
+ delete m_stack.front();
+ m_stack.pop_front();
+}
+void pop_back(){
+ delete m_stack.back();
+ m_stack.pop_back();
+}
+void clear(){
+ if ( !m_stack.empty() ) {
+ for ( Operations::iterator i = m_stack.begin(); i != m_stack.end(); ++i )
+ {
+ delete *i;
+ }
+ m_stack.clear();
+ }
+}
+void start( const char* command ){
+ if ( m_pending != 0 ) {
+ delete m_pending;
+ }
+ m_pending = new Operation( command );
+}
+bool finish( const char* command ){
+ if ( m_pending != 0 ) {
+ delete m_pending;
+ m_pending = 0;
+ return false;
+ }
+ else
+ {
+ ASSERT_MESSAGE( !m_stack.empty(), "undo stack empty" );
+ m_stack.back()->m_command = command;
+ return true;
+ }
+}
+void save( Undoable* undoable ){
+ if ( m_pending != 0 ) {
+ m_stack.push_back( m_pending );
+ m_pending = 0;
+ }
+ back()->m_snapshot.save( undoable );
+}
+};
- void finish(const char *command)
- {
- if (finishUndo(command)) {
- globalOutputStream() << command << '\n';
- }
- }
+UndoStack m_undo_stack;
+UndoStack m_redo_stack;
- void undo()
- {
- if (m_undo_stack.empty()) {
- globalOutputStream() << "Undo: no undo available\n";
- } else {
- Operation *operation = m_undo_stack.back();
- globalOutputStream() << "Undo: " << operation->m_command.c_str() << "\n";
-
- startRedo();
- trackersUndo();
- operation->m_snapshot.restore();
- finishRedo(operation->m_command.c_str());
- m_undo_stack.pop_back();
- }
- }
+class UndoStackFiller : public UndoObserver
+{
+UndoStack* m_stack;
+public:
- void redo()
- {
- if (m_redo_stack.empty()) {
- globalOutputStream() << "Redo: no redo available\n";
- } else {
- Operation *operation = m_redo_stack.back();
- globalOutputStream() << "Redo: " << operation->m_command.c_str() << "\n";
-
- startUndo();
- trackersRedo();
- operation->m_snapshot.restore();
- finishUndo(operation->m_command.c_str());
- m_redo_stack.pop_back();
- }
- }
+UndoStackFiller()
+ : m_stack( 0 ){
+}
+void save( Undoable* undoable ){
+ ASSERT_NOTNULL( undoable );
- void clear()
- {
- mark_undoables(0);
- m_undo_stack.clear();
- m_redo_stack.clear();
- trackersClear();
- }
+ if ( m_stack != 0 ) {
+ m_stack->save( undoable );
+ m_stack = 0;
+ }
+}
+void setStack( UndoStack* stack ){
+ m_stack = stack;
+}
+};
- void trackerAttach(UndoTracker &tracker)
- {
- ASSERT_MESSAGE(m_trackers.find(&tracker) == m_trackers.end(), "undo tracker already attached");
- m_trackers.insert(&tracker);
- }
+typedef std::map<Undoable*, UndoStackFiller> undoables_t;
+undoables_t m_undoables;
- void trackerDetach(UndoTracker &tracker)
- {
- ASSERT_MESSAGE(m_trackers.find(&tracker) != m_trackers.end(), "undo tracker cannot be detached");
- m_trackers.erase(&tracker);
- }
+void mark_undoables( UndoStack* stack ){
+ for ( undoables_t::iterator i = m_undoables.begin(); i != m_undoables.end(); ++i )
+ {
+ ( *i ).second.setStack( stack );
+ }
+}
- void trackersClear() const
- {
- for (Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i) {
- (*i)->clear();
- }
- }
+std::size_t m_undo_levels;
- void trackersBegin() const
- {
- for (Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i) {
- (*i)->begin();
- }
- }
+typedef std::set<UndoTracker*> Trackers;
+Trackers m_trackers;
+public:
+RadiantUndoSystem()
+ : m_undo_levels( 64 ){
+}
+~RadiantUndoSystem(){
+ clear();
+}
+UndoObserver* observer( Undoable* undoable ){
+ ASSERT_NOTNULL( undoable );
- void trackersUndo() const
- {
- for (Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i) {
- (*i)->undo();
- }
- }
+ return &m_undoables[undoable];
+}
+void release( Undoable* undoable ){
+ ASSERT_NOTNULL( undoable );
- void trackersRedo() const
- {
- for (Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i) {
- (*i)->redo();
- }
- }
+ m_undoables.erase( undoable );
+}
+void setLevels( std::size_t levels ){
+ if ( levels > MAX_UNDO_LEVELS() ) {
+ levels = MAX_UNDO_LEVELS();
+ }
+
+ while ( m_undo_stack.size() > levels )
+ {
+ m_undo_stack.pop_front();
+ }
+ m_undo_levels = levels;
+}
+std::size_t getLevels() const {
+ return m_undo_levels;
+}
+std::size_t size() const {
+ return m_undo_stack.size();
+}
+void startUndo(){
+ m_undo_stack.start( "unnamedCommand" );
+ mark_undoables( &m_undo_stack );
+}
+bool finishUndo( const char* command ){
+ bool changed = m_undo_stack.finish( command );
+ mark_undoables( 0 );
+ return changed;
+}
+void startRedo(){
+ m_redo_stack.start( "unnamedCommand" );
+ mark_undoables( &m_redo_stack );
+}
+bool finishRedo( const char* command ){
+ bool changed = m_redo_stack.finish( command );
+ mark_undoables( 0 );
+ return changed;
+}
+void start(){
+ m_redo_stack.clear();
+ if ( m_undo_stack.size() == m_undo_levels ) {
+ m_undo_stack.pop_front();
+ }
+ startUndo();
+ trackersBegin();
+}
+void finish( const char* command ){
+ if ( finishUndo( command ) ) {
+ globalOutputStream() << command << '\n';
+ }
+}
+void undo(){
+ if ( m_undo_stack.empty() ) {
+ globalOutputStream() << "Undo: no undo available\n";
+ }
+ else
+ {
+ Operation* operation = m_undo_stack.back();
+ globalOutputStream() << "Undo: " << operation->m_command.c_str() << "\n";
+
+ startRedo();
+ trackersUndo();
+ operation->m_snapshot.restore();
+ finishRedo( operation->m_command.c_str() );
+ m_undo_stack.pop_back();
+ }
+}
+void redo(){
+ if ( m_redo_stack.empty() ) {
+ globalOutputStream() << "Redo: no redo available\n";
+ }
+ else
+ {
+ Operation* operation = m_redo_stack.back();
+ globalOutputStream() << "Redo: " << operation->m_command.c_str() << "\n";
+
+ startUndo();
+ trackersRedo();
+ operation->m_snapshot.restore();
+ finishUndo( operation->m_command.c_str() );
+ m_redo_stack.pop_back();
+ }
+}
+void clear(){
+ mark_undoables( 0 );
+ m_undo_stack.clear();
+ m_redo_stack.clear();
+ trackersClear();
+}
+void trackerAttach( UndoTracker& tracker ){
+ ASSERT_MESSAGE( m_trackers.find( &tracker ) == m_trackers.end(), "undo tracker already attached" );
+ m_trackers.insert( &tracker );
+}
+void trackerDetach( UndoTracker& tracker ){
+ ASSERT_MESSAGE( m_trackers.find( &tracker ) != m_trackers.end(), "undo tracker cannot be detached" );
+ m_trackers.erase( &tracker );
+}
+void trackersClear() const {
+ for ( Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i )
+ {
+ ( *i )->clear();
+ }
+}
+void trackersBegin() const {
+ for ( Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i )
+ {
+ ( *i )->begin();
+ }
+}
+void trackersUndo() const {
+ for ( Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i )
+ {
+ ( *i )->undo();
+ }
+}
+void trackersRedo() const {
+ for ( Trackers::const_iterator i = m_trackers.begin(); i != m_trackers.end(); ++i )
+ {
+ ( *i )->redo();
+ }
+}
};
-void UndoLevels_importString(RadiantUndoSystem &undo, const char *value)
-{
- int levels;
- PropertyImpl<int, const char *>::Import(levels, value);
- undo.setLevels(levels);
-}
-
-typedef ReferenceCaller<RadiantUndoSystem, void(const char *), UndoLevels_importString> UndoLevelsImportStringCaller;
-void UndoLevels_exportString(const RadiantUndoSystem &undo, const Callback<void(const char *)> &importer)
-{
- PropertyImpl<int, const char *>::Export(static_cast<int>( undo.getLevels()), importer);
+void UndoLevels_importString( RadiantUndoSystem& undo, const char* value ){
+ int levels;
+ PropertyImpl<int, const char *>::Import( levels, value );
+ undo.setLevels( levels );
}
-
-typedef ConstReferenceCaller<RadiantUndoSystem, void(
- const Callback<void(const char *)> &), UndoLevels_exportString> UndoLevelsExportStringCaller;
+typedef ReferenceCaller<RadiantUndoSystem, void(const char*), UndoLevels_importString> UndoLevelsImportStringCaller;
+void UndoLevels_exportString( const RadiantUndoSystem& undo, const Callback<void(const char *)> & importer ){
+ PropertyImpl<int, const char *>::Export( static_cast<int>( undo.getLevels() ), importer );
+}
+typedef ConstReferenceCaller<RadiantUndoSystem, void(const Callback<void(const char *)> &), UndoLevels_exportString> UndoLevelsExportStringCaller;
#include "generic/callback.h"
struct UndoLevels {
- static void Export(const RadiantUndoSystem &self, const Callback<void(int)> &returnz)
- {
+ static void Export(const RadiantUndoSystem &self, const Callback<void(int)> &returnz) {
returnz(static_cast<int>(self.getLevels()));
}
- static void Import(RadiantUndoSystem &self, int value)
- {
+ static void Import(RadiantUndoSystem &self, int value) {
self.setLevels(value);
}
};
-void Undo_constructPreferences(RadiantUndoSystem &undo, PreferencesPage &page)
-{
+void Undo_constructPreferences( RadiantUndoSystem& undo, PreferencesPage& page ){
page.appendSpinner("Undo Queue Size", 64, 0, 1024, make_property<UndoLevels>(undo));
}
-
-void Undo_constructPage(RadiantUndoSystem &undo, PreferenceGroup &group)
-{
- PreferencesPage page(group.createPage("Undo", "Undo Queue Settings"));
- Undo_constructPreferences(undo, page);
+void Undo_constructPage( RadiantUndoSystem& undo, PreferenceGroup& group ){
+ PreferencesPage page( group.createPage( "Undo", "Undo Queue Settings" ) );
+ Undo_constructPreferences( undo, page );
}
-
-void Undo_registerPreferencesPage(RadiantUndoSystem &undo)
-{
- PreferencesDialog_addSettingsPage(
- ReferenceCaller<RadiantUndoSystem, void(PreferenceGroup &), Undo_constructPage>(undo));
+void Undo_registerPreferencesPage( RadiantUndoSystem& undo ){
+ PreferencesDialog_addSettingsPage( ReferenceCaller<RadiantUndoSystem, void(PreferenceGroup&), Undo_constructPage>( undo ) );
}
-class UndoSystemDependencies : public GlobalPreferenceSystemModuleRef {
+class UndoSystemDependencies : public GlobalPreferenceSystemModuleRef
+{
};
-class UndoSystemAPI {
- RadiantUndoSystem m_undosystem;
+class UndoSystemAPI
+{
+RadiantUndoSystem m_undosystem;
public:
- typedef UndoSystem Type;
-
- STRING_CONSTANT(Name, "*");
+typedef UndoSystem Type;
+STRING_CONSTANT( Name, "*" );
- UndoSystemAPI()
- {
- GlobalPreferenceSystem().registerPreference("UndoLevels", make_property_string<UndoLevels>(m_undosystem));
+UndoSystemAPI(){
+ GlobalPreferenceSystem().registerPreference("UndoLevels", make_property_string<UndoLevels>(m_undosystem));
- Undo_registerPreferencesPage(m_undosystem);
- }
-
- UndoSystem *getTable()
- {
- return &m_undosystem;
- }
+ Undo_registerPreferencesPage( m_undosystem );
+}
+UndoSystem* getTable(){
+ return &m_undosystem;
+}
};
#include "modulesystem/singletonmodule.h"
typedef SingletonModule<UndoSystemAPI, UndoSystemDependencies> UndoSystemModule;
typedef Static<UndoSystemModule> StaticUndoSystemModule;
-StaticRegisterModule staticRegisterUndoSystem(StaticUndoSystemModule::instance());
+StaticRegisterModule staticRegisterUndoSystem( StaticUndoSystemModule::instance() );
-class undoable_test : public Undoable {
- struct state_type : public UndoMemento {
- state_type() : test_data(0)
- {
- }
- state_type(const state_type &other) : UndoMemento(other), test_data(other.test_data)
- {
- }
- void release()
- {
- delete this;
- }
- int test_data;
- };
- state_type m_state;
- UndoObserver *m_observer;
-public:
- undoable_test()
- : m_observer(GlobalUndoSystem().observer(this))
- {
- }
- ~undoable_test()
- {
- GlobalUndoSystem().release(this);
- }
- UndoMemento *exportState() const
- {
- return new state_type(m_state);
- }
- void importState(const UndoMemento *state)
- {
- ASSERT_NOTNULL(state);
- m_observer->save(this);
- m_state = *(static_cast<const state_type *>( state ));
- }
+class undoable_test : public Undoable
+{
+struct state_type : public UndoMemento
+{
+ state_type() : test_data( 0 ){
+ }
+ state_type( const state_type& other ) : UndoMemento( other ), test_data( other.test_data ){
+ }
+ void release(){
+ delete this;
+ }
+
+ int test_data;
+};
+state_type m_state;
+UndoObserver* m_observer;
+public:
+undoable_test()
+ : m_observer( GlobalUndoSystem().observer( this ) ){
+}
+~undoable_test(){
+ GlobalUndoSystem().release( this );
+}
+UndoMemento* exportState() const {
+ return new state_type( m_state );
+}
+void importState( const UndoMemento* state ){
+ ASSERT_NOTNULL( state );
- void mutate(unsigned int data)
- {
- m_observer->save(this);
- m_state.test_data = data;
- }
+ m_observer->save( this );
+ m_state = *( static_cast<const state_type*>( state ) );
+}
+
+void mutate( unsigned int data ){
+ m_observer->save( this );
+ m_state.test_data = data;
+}
};
#if 0
{
public:
TestUndo(){
- undoable_test test;
- GlobalUndoSystem().begin( "bleh" );
- test.mutate( 3 );
- GlobalUndoSystem().begin( "blah" );
- test.mutate( 4 );
- GlobalUndoSystem().undo();
- GlobalUndoSystem().undo();
- GlobalUndoSystem().redo();
- GlobalUndoSystem().redo();
+ undoable_test test;
+ GlobalUndoSystem().begin( "bleh" );
+ test.mutate( 3 );
+ GlobalUndoSystem().begin( "blah" );
+ test.mutate( 4 );
+ GlobalUndoSystem().undo();
+ GlobalUndoSystem().undo();
+ GlobalUndoSystem().redo();
+ GlobalUndoSystem().redo();
}
};