mirror of
https://github.com/amyinspace/MagicSetEditor2.git
synced 2026-06-11 21:27:01 -04:00
Change tabs to two spaces.
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Lymia Aluysia
+86
-86
@@ -21,26 +21,26 @@
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*/
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class Action {
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public:
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virtual ~Action() {};
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/// Name of the action, for use in strings like "Undo <name>"
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virtual String getName(bool to_undo) const = 0;
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/// Perform the action
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/** @param to_undo if true, undo the action instead of doing it
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*
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* Must be implemented in derived class.
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*
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* Perform will only ever be called alternatingly with to_undo = true/false,
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* the first time with to_undo = false
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*/
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virtual void perform(bool to_undo) = 0;
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/// Try to merge another action to the end of this action.
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/** Either: return false and do nothing
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* Or: return true and change this action to incorporate both actions
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*/
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virtual bool merge(const Action& action) { return false; }
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virtual ~Action() {};
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/// Name of the action, for use in strings like "Undo <name>"
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virtual String getName(bool to_undo) const = 0;
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/// Perform the action
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/** @param to_undo if true, undo the action instead of doing it
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*
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* Must be implemented in derived class.
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*
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* Perform will only ever be called alternatingly with to_undo = true/false,
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* the first time with to_undo = false
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*/
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virtual void perform(bool to_undo) = 0;
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/// Try to merge another action to the end of this action.
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/** Either: return false and do nothing
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* Or: return true and change this action to incorporate both actions
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*/
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virtual bool merge(const Action& action) { return false; }
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};
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// ----------------------------------------------------------------------------- : Action listeners
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@@ -48,9 +48,9 @@ class Action {
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/// Base class/interface for objects that listen to actions
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class ActionListener {
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public:
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virtual ~ActionListener() {}
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/// Notification that an action a has been performed or undone
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virtual void onAction(const Action& a, bool undone) = 0;
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virtual ~ActionListener() {}
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/// Notification that an action a has been performed or undone
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virtual void onAction(const Action& a, bool undone) = 0;
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};
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// ----------------------------------------------------------------------------- : Action stack
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@@ -63,61 +63,61 @@ class ActionListener {
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*/
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class ActionStack {
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public:
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ActionStack();
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~ActionStack();
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/// Add an action to the stack, and perform that action.
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/** Tells all listeners about the action.
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* The ActionStack takes ownership of the action.
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* If allow_merge == true then we attempt to merge this action with previous ones
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*/
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void addAction(Action* action, bool allow_merge = true);
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/// Undoes the last action that was (re)done
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/** @pre canUndo() */
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void undo();
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/// Redoes the last action that was undone
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/** @pre canRedo() */
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void redo();
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/// Is undoing possible?
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bool canUndo() const;
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/// Is redoing possible?
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bool canRedo() const;
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/// Name of the action that will be undone next, in the form " <Action>"
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/** If there is no action to undo returns "" */
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String undoName() const;
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/// Name of the action that will be redone next " <Action>"
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/** If there is no action to undo returns "" */
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String redoName() const;
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/// Is the file currently at a 'savepoint'?
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/** This is the last point at which the file was saved. */
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bool atSavePoint() const;
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/// Indicate that the file is at a savepoint.
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void setSavePoint();
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/// Add an action listener
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void addListener(ActionListener* listener);
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/// Remove an action listener
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void removeListener(ActionListener* listener);
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/// Tell all listeners about an action
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void tellListeners(const Action&, bool undone);
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ActionStack();
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~ActionStack();
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/// Add an action to the stack, and perform that action.
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/** Tells all listeners about the action.
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* The ActionStack takes ownership of the action.
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* If allow_merge == true then we attempt to merge this action with previous ones
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*/
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void addAction(Action* action, bool allow_merge = true);
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/// Undoes the last action that was (re)done
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/** @pre canUndo() */
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void undo();
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/// Redoes the last action that was undone
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/** @pre canRedo() */
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void redo();
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/// Is undoing possible?
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bool canUndo() const;
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/// Is redoing possible?
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bool canRedo() const;
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/// Name of the action that will be undone next, in the form " <Action>"
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/** If there is no action to undo returns "" */
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String undoName() const;
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/// Name of the action that will be redone next " <Action>"
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/** If there is no action to undo returns "" */
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String redoName() const;
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/// Is the file currently at a 'savepoint'?
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/** This is the last point at which the file was saved. */
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bool atSavePoint() const;
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/// Indicate that the file is at a savepoint.
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void setSavePoint();
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/// Add an action listener
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void addListener(ActionListener* listener);
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/// Remove an action listener
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void removeListener(ActionListener* listener);
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/// Tell all listeners about an action
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void tellListeners(const Action&, bool undone);
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private:
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/// Actions to be undone.
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/** Owns the action objects! */
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vector<Action*> undo_actions;
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/// Actions to be redone
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/** Owns the action objects! */
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vector<Action*> redo_actions;
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/// Point at which the file was saved, corresponds to the top of the undo stack at that point
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Action* save_point;
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/// Was the last thing the user did addAction? (as opposed to undo/redo)
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bool last_was_add;
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/// Objects that are listening to actions
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vector<ActionListener*> listeners;
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/// Actions to be undone.
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/** Owns the action objects! */
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vector<Action*> undo_actions;
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/// Actions to be redone
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/** Owns the action objects! */
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vector<Action*> redo_actions;
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/// Point at which the file was saved, corresponds to the top of the undo stack at that point
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Action* save_point;
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/// Was the last thing the user did addAction? (as opposed to undo/redo)
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bool last_was_add;
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/// Objects that are listening to actions
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vector<ActionListener*> listeners;
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};
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@@ -126,21 +126,21 @@ class ActionStack {
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/// Tests if variable has the type Type.
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/** Uses dynamic cast, so Type must have a virtual function.
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*/
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#define TYPE_CASE_(variable, Type) \
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if (dynamic_cast<const Type*>(&variable))
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#define TYPE_CASE_(variable, Type) \
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if (dynamic_cast<const Type*>(&variable))
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/// Tests if variable has the type Type.
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/** If this is the case, makes variable have type Type inside the statement.
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*
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* Uses dynamic cast, so Type must have a virtual function.
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*/
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#define TYPE_CASE(variable, Type) \
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pair<const Type*,bool> Type##variable \
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(dynamic_cast<const Type*>(&variable), true); \
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if (Type##variable.first) \
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for (const Type& variable = *Type##variable.first ; \
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Type##variable.second ; \
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Type##variable.second = false)
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#define TYPE_CASE(variable, Type) \
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pair<const Type*,bool> Type##variable \
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(dynamic_cast<const Type*>(&variable), true); \
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if (Type##variable.first) \
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for (const Type& variable = *Type##variable.first ; \
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Type##variable.second ; \
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Type##variable.second = false)
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// ----------------------------------------------------------------------------- : EOF
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