mousefunction.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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 */
 
#pragma once
 
#include "tabletypes.hxx"
 
#include <salhelper/simplereferenceobject.hxx>
 
class MouseEvent;
 
namespace svt::table
{
class ITableControl;
 
//= FunctionResult
 
enum FunctionResult
{
    ActivateFunction,
    ContinueFunction,
    DeactivateFunction,
 
    SkipFunction
};
 
//= MouseFunction
 
class MouseFunction : public ::salhelper::SimpleReferenceObject
{
public:
    MouseFunction() {}
    MouseFunction(const MouseFunction&) = delete;
    MouseFunction& operator=(const MouseFunction&) = delete;
    virtual FunctionResult handleMouseMove(ITableControl& i_tableControl, MouseEvent const& i_event)
        = 0;
    virtual FunctionResult handleMouseDown(ITableControl& i_tableControl, MouseEvent const& i_event)
        = 0;
    virtual FunctionResult handleMouseUp(ITableControl& i_tableControl, MouseEvent const& i_event)
        = 0;
 
protected:
    virtual ~MouseFunction() override {}
};
 
//= ColumnResize
 
class ColumnResize final : public MouseFunction
{
public:
    ColumnResize()
        : m_nResizingColumn(COL_INVALID)
    {
    }
 
public:
    // MouseFunction
    virtual FunctionResult handleMouseMove(ITableControl& i_tableControl,
                                           MouseEvent const& i_event) override;
    virtual FunctionResult handleMouseDown(ITableControl& i_tableControl,
                                           MouseEvent const& i_event) override;
    virtual FunctionResult handleMouseUp(ITableControl& i_tableControl,
                                         MouseEvent const& i_event) override;
 
private:
    ColPos m_nResizingColumn;
};
 
//= RowSelection
 
class RowSelection final : public MouseFunction
{
public:
    RowSelection()
        : m_bActive(false)
    {
    }
 
public:
    // MouseFunction
    virtual FunctionResult handleMouseMove(ITableControl& i_tableControl,
                                           MouseEvent const& i_event) override;
    virtual FunctionResult handleMouseDown(ITableControl& i_tableControl,
                                           MouseEvent const& i_event) override;
    virtual FunctionResult handleMouseUp(ITableControl& i_tableControl,
                                         MouseEvent const& i_event) override;
 
private:
    bool m_bActive;
};
 
//= ColumnSortHandler
 
class ColumnSortHandler final : public MouseFunction
{
public:
    ColumnSortHandler()
        : m_nActiveColumn(COL_INVALID)
    {
    }
 
public:
    // MouseFunction
    virtual FunctionResult handleMouseMove(ITableControl& i_tableControl,
                                           MouseEvent const& i_event) override;
    virtual FunctionResult handleMouseDown(ITableControl& i_tableControl,
                                           MouseEvent const& i_event) override;
    virtual FunctionResult handleMouseUp(ITableControl& i_tableControl,
                                         MouseEvent const& i_event) override;
 
private:
    ColPos m_nActiveColumn;
};
 
} // namespace svt::table
 
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