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// -*- C++ -*- //
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#ifndef ALGOWIN_H
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#define ALGOWIN_H
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class AlgoWin;
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#include <all_include.h>
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//#include <mapstorage.h>
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#include <algobox.h>
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#include <libgnomecanvasmm.h>
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#include <libgnomecanvasmm/polygon.h>
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class MapStorage;
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///Algorithm identifiers.
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enum {GENERAL, KRUSKAL, ALGO_NUM}; // algorithm IDs;
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///Window displaying graphical interface for different algorithms.
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///This class displays a graphical interface to set up
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///and run different algorithms. Different algorithms need
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///different inputs, running methods, etc. Therefore
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///class \ref AlgoWin is only a holder of a base class, the so
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///called AlgoBox. \ref AlgoBox is the ancestor of other
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///classes. These child classes realize interfaces of different
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///algorithms, but as their common ancestor is \ref AlgoBox
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///the interface of them is the same. \ref AlgoWin communicates
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///with these classes through this common interface. But it the
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///real object to be placed in \ref AlgoWin depends on the algorithm
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///which the \ref AlgoWin actually has to display. It gets the
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///id of algorithm to display at initialization, and therefore it is
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///able to place in itself the requested child of \ref AlgoBox
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/// visualizing the appropriate algorithm.
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class AlgoWin : public Gtk::Window
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{
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private:
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///Algorithm specific part of \ref AlgoWin
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AlgoBox * ab;
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///Run button.
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///If pressed, algorithm should run.
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///That is why common ancestor of different
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///algorithm realizer classes have to be. In case of
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///pressing run button a common method can be called.
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Gtk::Button * runbutton;
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///Close button. If pressed, \ref AlgoWin should close.
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Gtk::Button * closebutton;
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protected:
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///Signal emitted upon close of window
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///It is necessary, because \ref MainWin have to
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///score the opened \ref AlgoWin s, to be able to communicate
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///with them: let them know about changement in tabs, maps, etc.
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///If \ref AlgoWin is closed, \ref MainWin has to deregistrate it.
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///Therefore signal contains address of emitter \ref AlgoWin.
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sigc::signal<void, AlgoWin *> signal_closed;
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///Signal indicating that informatino on certain maplist is required.
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///It is just a forwarded signal from \ref AlgoBox, benefit of common ancestor
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///algorithm class. User can select the graph (the holder \ref NoteBookTab) on
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///which the algorithm should run. But different graphs (\ref NoteBookTab) have
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///different maps. If selected tab changes this signal is emitted by \ref AlgoBox,
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///caught and reemitted by \ref AlgoWin.
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///
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///Signal contains the address of \ref AlgoWin to let \ref MainWin know
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///where should the information needed forwarded, and the name of
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///\ref NoteBookTab, of which maps are inquired.
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sigc::signal<void, AlgoWin *, std::string> signal_maplist_need;
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///Signal that indicates that a \ref NewMapWin should be popped up.
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///This is a forwarded signal. If \ref AlgoBox emits a signal
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///to let a \ref NewMapWin pop up, |ref AlgoWin catch and reemit it.
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///
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///Signal contains the name of \ref NoteBookTab, in which the new map
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///should be created and a boolean that indicates whether an edge or a
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///nodemap should be created.
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sigc::signal<void, std::string, bool> signal_newmapwin_need;
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public:
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///Close window if escape key is pressed.
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bool closeIfEscapeIsPressed(GdkEventKey* e);
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///Returns \ref signal_closed to be bindable somewhere.
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sigc::signal<void, AlgoWin *> signal_closing();
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///Returns \ref signal_maplist_need to be bindable somewhere.
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sigc::signal<void, AlgoWin *, std::string> signal_maplist_needed();
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///Returns \ref signal_newmapwin_need to be bindable somewhere.
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sigc::signal<void, std::string, bool> signal_newmapwin_needed(){return signal_newmapwin_need;};
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///Forwards signal emitted by \ref AlgoBox, in which it indicates changement in selection of tabs.
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void emit_tab_change(std::string);
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///Forwards signal emitted by \ref AlgoBox, in which it indicates need for \ref NewMapWin.
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void emit_new_map_signal(std::string tabname, bool itisedge){signal_newmapwin_need.emit(tabname, itisedge);};
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///Constructor
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///It builds the window according to the information provided
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///by the creator. It needs the identifier of the algorithm
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///to visualize, and a list of name of \ref NoteBookTab s that can
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///be found in \ref MainWin.
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///\param algoid identifier of algorithm to show
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///\param tablist list of tabs in \ref MainWin
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AlgoWin(int algoid, std::vector<std::string> tablist);
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///Forwards list of \ref NoteBookTabs toward \ref AlgoBox
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///In case of changement in tabs in \ref MainWin
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///\ref MainWin automatically updates tablist in
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///\ref AlgoWin s.
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void update_tablist(std::vector<std::string> tabnames);
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///Forwards list of requested maps toward \ref AlgoBox
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///Upon catching the signal in which \ref AlgoBox requests
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///list of maps \ref MainWin responds
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///through this function.
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void update_maplist(MapStorage *);
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///Called when window is closing.
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///\ref AlgoWin has to be deregistrated in \ref MainWin
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///thereforeit emits signal \ref signal_closed.
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void on_hide();
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};
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#endif //ALGOWIN_H
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