demotool/ui-app.hh

#pragma once
#include "ui-dialogs.hh"
#include "ui-mousectrl.hh"
#include "ui-actions.hh"


/*= WINDOW MANAGEMENT ========================================================*/

struct T_UIApp
{
	T_UIApp( );
	~T_UIApp( );

	//----------------------------------------------------------------------

	void pushDialog( P_ModalDialog dialog ) noexcept
		{ modals_.add( std::move( dialog ) ); }

	void msgbox( char const* title ,
			char const* text ,
			T_MessageBox::F_Handler handler = { } ,
			T_MessageBox::T_Buttons buttons = T_MessageBox::BT_OK )
		{ pushDialog( NewOwned< T_MessageBox >( title , text , handler , buttons ) ); }
	void msgbox( T_String const& title ,
			T_String const& text ,
			T_MessageBox::F_Handler handler = { } ,
			T_MessageBox::T_Buttons buttons = T_MessageBox::BT_OK )
		{ pushDialog( NewOwned< T_MessageBox >( title , text , handler , buttons ) ); }

	//----------------------------------------------------------------------

	void addAction( T_UIAction action ) noexcept;
	void actionMenu( T_String const& id ) const noexcept;
	void actionButton( T_String const& id ) const noexcept;

	template< typename... Args >
	T_UIAction& newAction( Args&&... args )
	{
		T_UIAction a{ std::forward< Args >( args ) ... };
		T_String id{ a.id };
		addAction( std::move( a ) );
		return *actions_.get( id );
	}

	//----------------------------------------------------------------------

	ImFont* defaultFont( ) const noexcept
		{ return defaultFont_; }
	ImFont* smallFont( ) const noexcept
		{ return smallFont_; }

	//----------------------------------------------------------------------

	void startFrame( const bool capture ,
			ImVec2 const& mouseInitial ) const;
	void warpMouse( ImVec2 const& pos ) const;

	void swap( ) const;
	void handleDialogs( ) noexcept;

    private:
	SDL_Window * window;
	SDL_GLContext gl;
	ImFont* defaultFont_;
	ImFont* smallFont_;
	T_AutoArray< P_ModalDialog , 8 > modals_;
	T_ObjectTable< T_String , T_UIAction > actions_{
		[]( T_UIAction const& a ) -> T_String {
			return a.id;
		} };
};