view_map_control.cpp

这是一个GPS相关的程序

		}

		dc.SetPen(wxNullPen);
		dc.SetLogicalFunction(wxINVERT);
		A	= _Get_Client(m_Distance_Pts[n - 1]);
		dc.DrawLine(A.x, A.y, m_Mouse_Move.x, m_Mouse_Move.y);
	}
}


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
void CVIEW_Map_Control::On_Paint(wxPaintEvent &event)
{
	if( m_Bitmap.Ok() )
	{
		wxPaintDC	dc(this);

		dc.DrawBitmap(m_Bitmap, 0, 0, false);

		_Distance_Draw(dc);
	}
}

//---------------------------------------------------------
void CVIEW_Map_Control::On_Size(wxSizeEvent &event)
{
	wxRect	r(_Get_Client());

	if( m_Bitmap.GetWidth() != r.GetWidth() || m_Bitmap.GetHeight() != r.GetHeight() )
	{
		m_Bitmap.Create(r.GetWidth(), r.GetHeight());

		Refresh_Map();
	}
}

//---------------------------------------------------------
void CVIEW_Map_Control::Refresh_Map(void)
{
	if( m_Bitmap.Ok() )
	{
		wxMemoryDC	dc;

		dc.SelectObject(m_Bitmap);
		m_pMap->Draw_Map(dc, 1.0, _Get_Client(), true);
		dc.SelectObject(wxNullBitmap);

		m_pParent->Ruler_Refresh();

		Refresh(false);
	}
}


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
void CVIEW_Map_Control::On_Key_Down(wxKeyEvent &event)
{
	if( m_pMap->Find_Layer(Get_Active_Layer()) && Get_Active_Layer()->Edit_On_Key_Down(event.GetKeyCode()) )
	{
		return;
	}

	switch( event.GetKeyCode() )
	{
	default:
		event.Skip();
		break;

	case WXK_PRIOR:
		_Zoom(m_pMap->Get_Extent().Get_Center(), true);
		break;
		
	case WXK_NEXT:
		_Zoom(m_pMap->Get_Extent().Get_Center(), false);
		break;
		
	case WXK_LEFT:
		_Move(wxPoint(-10,   0));
		break;

	case WXK_RIGHT:
		_Move(wxPoint( 10,   0));
		break;

	case WXK_UP:
		_Move(wxPoint(  0, -10));
		break;

	case WXK_DOWN:
		_Move(wxPoint(  0,  10));
		break;

	case WXK_F2:
		m_pMap->SaveAs_Image();
		break;
	}
}


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_LDown(wxMouseEvent &event)
{
	bool	bCaptureMouse	= true;

	m_Mouse_Down	= m_Mouse_Move	= event.GetPosition();

	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule && g_pModule->is_Interactive() )
		{
			m_Drag_Mode		= ((CSG_Module_Interactive *)g_pModule->Get_Module())->Get_Drag_Mode();
			bCaptureMouse	= !g_pModule->Execute(_Get_World(event.GetPosition()), MODULE_INTERACTIVE_LDOWN, GET_KEYS(event));
		}
		else if( m_pMap->Find_Layer(Get_Active_Layer()) )
		{
			switch(	Get_Active_Layer()->Get_Type() )
			{
			default:
				m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_NONE;
				break;

			case WKSP_ITEM_Grid:
				m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_BOX;
				break;

			case WKSP_ITEM_Shapes:
				m_Drag_Mode		= ((CWKSP_Shapes *)Get_Active_Layer())->is_Editing()
								? MODULE_INTERACTIVE_DRAG_NONE
								: MODULE_INTERACTIVE_DRAG_BOX;
				break;
			}

			Get_Active_Layer()->Edit_On_Mouse_Down(_Get_World(event.GetPosition()), _Get_World(1.0), GET_KEYS(event));
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_NONE;
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_BOX;
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_NONE;
		Set_Mode(MAP_MODE_PAN_DOWN);
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
		m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_NONE;
		break;
	}

	//-----------------------------------------------------
	if( bCaptureMouse )
	{
		CaptureMouse();
	}
}

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_LUp(wxMouseEvent &event)
{
	if( HasCapture() )
	{
		ReleaseMouse();
	}

	_Draw_Inverse(m_Mouse_Down, event.GetPosition());
	m_Drag_Mode	= MODULE_INTERACTIVE_DRAG_NONE;

	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule )
		{
			g_pModule->Execute(_Get_World(event.GetPosition()), MODULE_INTERACTIVE_LUP, GET_KEYS(event));
		}
		else if( m_pMap->Find_Layer(Get_Active_Layer()) )
		{
			Get_Active_Layer()->Edit_On_Mouse_Up(_Get_World(event.GetPosition()), _Get_World(1.0), GET_KEYS(event)|MODULE_INTERACTIVE_KEY_LEFT);
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		_Distance_Add(event.GetPosition());
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		_Zoom(m_Mouse_Down, event.GetPosition());
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
		Set_Mode(MAP_MODE_PAN);
		_Move(m_Mouse_Down, event.GetPosition());
		break;
	}
}

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_LDClick(wxMouseEvent &event)
{
	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule )
		{
			g_pModule->Execute(_Get_World(event.GetPosition()), MODULE_INTERACTIVE_LDCLICK, GET_KEYS(event));
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
		break;
	}
}


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_RDown(wxMouseEvent &event)
{
	m_Mouse_Down	= m_Mouse_Move	= event.GetPosition();

	_Draw_Inverse(m_Mouse_Down, event.GetPosition());
	m_Drag_Mode	= MODULE_INTERACTIVE_DRAG_NONE;

	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule )
		{
			g_pModule->Execute(_Get_World(event.GetPosition()), MODULE_INTERACTIVE_RDOWN, GET_KEYS(event));
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		_Distance_Reset();
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
		break;
	}
}

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_RUp(wxMouseEvent &event)
{
	wxMenu	*pMenu	= NULL;

	m_Drag_Mode		= MODULE_INTERACTIVE_DRAG_NONE;

	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule )
		{
			g_pModule->Execute(_Get_World(event.GetPosition()), MODULE_INTERACTIVE_RUP, GET_KEYS(event));
		}
		else if( m_pMap->Find_Layer(Get_Active_Layer()) )
		{
			if(	!Get_Active_Layer()->Edit_On_Mouse_Up(_Get_World(event.GetPosition()), _Get_World(1.0), GET_KEYS(event)|MODULE_INTERACTIVE_KEY_RIGHT)
			&&	(pMenu = Get_Active_Layer()->Edit_Get_Menu()) != NULL )
			{
				PopupMenu(pMenu, event.GetPosition());

				delete(pMenu);
			}
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		_Zoom(_Get_World(event.GetPosition()), false);
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
		break;
	}
}

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_RDClick(wxMouseEvent &event)
{
	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule )
		{
			g_pModule->Execute(_Get_World(event.GetPosition()), MODULE_INTERACTIVE_RDCLICK, GET_KEYS(event));
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
		break;
	}
}


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
void CVIEW_Map_Control::On_Mouse_Motion(wxMouseEvent &event)
{
	_Set_StatusBar(_Get_World(event.GetPosition()));

	m_pParent->Ruler_Set_Position(event.GetPosition().x, event.GetPosition().y);

	switch( m_Mode )
	{
	//-----------------------------------------------------
	case MAP_MODE_SELECT:
		if( g_pModule )
		{
			TSG_Module_Interactive_Mode	iMode
				= event.LeftIsDown()	? MODULE_INTERACTIVE_MOVE_LDOWN
				: event.MiddleIsDown()	? MODULE_INTERACTIVE_MOVE_MDOWN
				: event.RightIsDown()	? MODULE_INTERACTIVE_MOVE_RDOWN
										: MODULE_INTERACTIVE_MOVE;

			g_pModule->Execute(_Get_World(event.GetPosition()), iMode, GET_KEYS(event));
		}
		else if( m_pMap->Find_Layer(Get_Active_Layer()) )
		{
			Get_Active_Layer()->Edit_On_Mouse_Move(
				this, m_pMap->Get_World(_Get_Client()),
				event.GetPosition(), m_Mouse_Move,
				GET_KEYS(event)
			);
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_DISTANCE:
		if( m_Distance_Pts.Get_Count() > 0 )
		{
			int			n	= m_Distance_Pts.Get_Count();
			wxClientDC	dc(this);
			wxPoint		Last(_Get_Client(m_Distance_Pts[n - 1]));
			dc.SetLogicalFunction(wxINVERT);
			dc.DrawLine(Last.x, Last.y, m_Mouse_Move       .x, m_Mouse_Move       .y);
			dc.DrawLine(Last.x, Last.y, event.GetPosition().x, event.GetPosition().y);
			m_Distance_Move	= SG_Get_Distance(m_Distance_Pts[n - 1], _Get_World(event.GetPosition()));
		}
		break;

	//-----------------------------------------------------
	case MAP_MODE_ZOOM:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN:
		break;

	//-----------------------------------------------------
	case MAP_MODE_PAN_DOWN:
	//	_Move(m_Mouse_Down, event.GetPosition());
		_Pan(m_Mouse_Down, event.GetPosition());
		break;
	}

	//-----------------------------------------------------
	_Draw_Inverse(m_Mouse_Down, m_Mouse_Move, event.GetPosition());

	//-----------------------------------------------------
	m_Mouse_Move	= event.GetPosition();
}


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

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