tbarsmpl.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

/////////////////////////////////////////////////////////////////////////////
// Name:        contrib/src/deprecated//tbarsmpl.cpp
// Purpose:     wxToolBarSimple
// Author:      Julian Smart
// Modified by: VZ on 14.12.99 during wxToolBarSimple reorganization
// Created:     04/01/98
// RCS-ID:      $Id: tbarsmpl.cpp,v 1.5 2005/09/23 12:47:39 MR Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_TOOLBAR && wxUSE_TOOLBAR_SIMPLE

#ifndef WX_PRECOMP
    #include "wx/settings.h"
    #include "wx/window.h"
    #include "wx/dcclient.h"
    #include "wx/dcmemory.h"
#endif

#include "wx/toolbar.h"
#include "wx/deprecated/tbarsmpl.h"

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

class WXDLLIMPEXP_DEPRECATED wxToolBarToolSimple : public wxToolBarToolBase
{
public:
    wxToolBarToolSimple(wxToolBarSimple *tbar,
                        int id,
                        const wxString& label,
                        const wxBitmap& bmpNormal,
                        const wxBitmap& bmpDisabled,
                        wxItemKind kind,
                        wxObject *clientData,
                        const wxString& shortHelp,
                        const wxString& longHelp)
        : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
                            clientData, shortHelp, longHelp)
    {
    }

    wxToolBarToolSimple(wxToolBarSimple *tbar, wxControl *control)
        : wxToolBarToolBase(tbar, control)
    {
    }

    void SetSize(const wxSize& size)
    {
        m_width = size.x;
        m_height = size.y;
    }

    wxCoord GetWidth() const { return m_width; }
    wxCoord GetHeight() const { return m_height; }

    wxCoord m_x;
    wxCoord m_y;
    wxCoord m_width;
    wxCoord m_height;

    DECLARE_NO_COPY_CLASS(wxToolBarToolSimple)
};

// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxToolBarSimple, wxControl)

#if !wxUSE_TOOLBAR_NATIVE && !defined(__WXUNIVERSAL__)
    IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarSimple)
#endif

BEGIN_EVENT_TABLE(wxToolBarSimple, wxToolBarBase)
    EVT_SIZE(wxToolBarSimple::OnSize)
    EVT_SCROLL(wxToolBarSimple::OnScroll)
    EVT_PAINT(wxToolBarSimple::OnPaint)
    EVT_KILL_FOCUS(wxToolBarSimple::OnKillFocus)
    EVT_MOUSE_EVENTS(wxToolBarSimple::OnMouseEvent)
END_EVENT_TABLE()

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// tool bar tools creation
// ----------------------------------------------------------------------------

wxToolBarToolBase *wxToolBarSimple::CreateTool(int id,
                                               const wxString& label,
                                               const wxBitmap& bmpNormal,
                                               const wxBitmap& bmpDisabled,
                                               wxItemKind kind,
                                               wxObject *clientData,
                                               const wxString& shortHelp,
                                               const wxString& longHelp)
{
    return new wxToolBarToolSimple(this, id, label, bmpNormal, bmpDisabled,
                                   kind, clientData, shortHelp, longHelp);
}

wxToolBarToolBase *wxToolBarSimple::CreateTool(wxControl *control)
{
    return new wxToolBarToolSimple(this, control);
}

// ----------------------------------------------------------------------------
// wxToolBarSimple creation
// ----------------------------------------------------------------------------

void wxToolBarSimple::Init()
{
    m_currentRowsOrColumns = 0;

    m_lastX =
    m_lastY = 0;

    m_maxWidth =
    m_maxHeight = 0;

    m_pressedTool =
    m_currentTool = -1;

    m_xPos =
    m_yPos = wxDefaultCoord;

    m_toolPacking = 1;
    m_toolSeparation = 5;

    m_defaultWidth = 16;
    m_defaultHeight = 15;

    m_xScrollPixelsPerLine = 1;
    m_yScrollPixelsPerLine = 1;
    m_xScrollingEnabled = false;
    m_yScrollingEnabled = false;
    m_xScrollPosition = 0;
    m_yScrollPosition = 0;
    m_xScrollLines = 0;
    m_yScrollLines = 0;
    m_xScrollLinesPerPage = 0;
    m_yScrollLinesPerPage = 0;
}

wxToolBarToolBase *wxToolBarSimple::DoAddTool(int id,
                                              const wxString& label,
                                              const wxBitmap& bitmap,
                                              const wxBitmap& bmpDisabled,
                                              wxItemKind kind,
                                              const wxString& shortHelp,
                                              const wxString& longHelp,
                                              wxObject *clientData,
                                              wxCoord xPos,
                                              wxCoord yPos)
{
    // rememeber the position for DoInsertTool()
    m_xPos = xPos;
    m_yPos = yPos;

    return wxToolBarBase::DoAddTool(id, label, bitmap, bmpDisabled, kind,
                                    shortHelp, longHelp,
                                    clientData, xPos, yPos);
}

bool wxToolBarSimple::DoInsertTool(size_t WXUNUSED(pos),
                                   wxToolBarToolBase *toolBase)
{
    wxToolBarToolSimple *tool = (wxToolBarToolSimple *)toolBase;

    wxCHECK_MSG( !tool->IsControl(), false,
                 _T("generic wxToolBarSimple doesn't support controls") );

    tool->m_x = m_xPos;
    if ( tool->m_x == wxDefaultCoord )
        tool->m_x = m_xMargin;

    tool->m_y = m_yPos;
    if ( tool->m_y == wxDefaultCoord )
        tool->m_y = m_yMargin;

    tool->SetSize(GetToolSize());

    if ( tool->IsButton() )
    {
        // Calculate reasonable max size in case Layout() not called
        if ((tool->m_x + tool->GetNormalBitmap().GetWidth() + m_xMargin) > m_maxWidth)
            m_maxWidth = (wxCoord)((tool->m_x + tool->GetWidth() + m_xMargin));

        if ((tool->m_y + tool->GetNormalBitmap().GetHeight() + m_yMargin) > m_maxHeight)
            m_maxHeight = (wxCoord)((tool->m_y + tool->GetHeight() + m_yMargin));
    }

    return true;
}

bool wxToolBarSimple::DoDeleteTool(size_t WXUNUSED(pos),
                                   wxToolBarToolBase *tool)
{
    // VZ: didn't test whether it works, but why not...
    tool->Detach();

    Refresh();

    return true;
}

bool wxToolBarSimple::Create(wxWindow *parent,
                             wxWindowID id,
                             const wxPoint& pos,
                             const wxSize& size,
                             long style,
                             const wxString& name)
{
    if ( !wxWindow::Create(parent, id, pos, size, style, name) )
        return false;

    // Set it to grey (or other 3D face colour)
    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));

    if ( GetWindowStyleFlag() & wxTB_VERTICAL )
    {
        m_lastX = 7;
        m_lastY = 3;

        m_maxRows = 32000;      // a lot
        m_maxCols = 1;
    }
    else
    {
        m_lastX = 3;
        m_lastY = 7;

        m_maxRows = 1;
        m_maxCols = 32000;      // a lot
    }

    SetCursor(*wxSTANDARD_CURSOR);

    return true;
}

wxToolBarSimple::~wxToolBarSimple()
{
}

bool wxToolBarSimple::Realize()
{
    m_currentRowsOrColumns = 0;
    m_lastX = m_xMargin;
    m_lastY = m_yMargin;
    m_maxWidth = 0;
    m_maxHeight = 0;

    int maxToolWidth = 0;
    int maxToolHeight = 0;

    // Find the maximum tool width and height
    wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
    while ( node )
    {
        wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
        if ( tool->GetWidth() > maxToolWidth )
            maxToolWidth = tool->GetWidth();
        if (tool->GetHeight() > maxToolHeight)
            maxToolHeight = tool->GetHeight();

        node = node->GetNext();
    }

    int separatorSize = m_toolSeparation;

    node = m_tools.GetFirst();
    while ( node )
    {
        wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
        if ( tool->IsSeparator() )
        {
            if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
            {
                if (m_currentRowsOrColumns >= m_maxCols)
                    m_lastY += separatorSize;
                else
                    m_lastX += separatorSize;
            }
            else
            {
                if (m_currentRowsOrColumns >= m_maxRows)
                    m_lastX += separatorSize;
                else
                    m_lastY += separatorSize;
            }
        }
        else if ( tool->IsButton() )
        {
            if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
            {
                if (m_currentRowsOrColumns >= m_maxCols)
                {
                    m_currentRowsOrColumns = 0;
                    m_lastX = m_xMargin;
                    m_lastY += maxToolHeight + m_toolPacking;
                }
                tool->m_x = (wxCoord)(m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
                tool->m_y = (wxCoord)(m_lastY + (maxToolHeight - tool->GetHeight())/2.0);

                m_lastX += maxToolWidth + m_toolPacking;
            }
            else
            {
                if (m_currentRowsOrColumns >= m_maxRows)
                {
                    m_currentRowsOrColumns = 0;
                    m_lastX += (maxToolWidth + m_toolPacking);
                    m_lastY = m_yMargin;
                }
                tool->m_x = (wxCoord)(m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
                tool->m_y = (wxCoord)(m_lastY + (maxToolHeight - tool->GetHeight())/2.0);

                m_lastY += maxToolHeight + m_toolPacking;
            }
            m_currentRowsOrColumns ++;
        }
        else
        {
            // TODO: support the controls
        }

        if (m_lastX > m_maxWidth)
            m_maxWidth = m_lastX;
        if (m_lastY > m_maxHeight)
            m_maxHeight = m_lastY;

        node = node->GetNext();
    }

    if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
        m_maxHeight += maxToolHeight;
    else
        m_maxWidth += maxToolWidth;

    m_maxWidth += m_xMargin;
    m_maxHeight += m_yMargin;

    SetSize(m_maxWidth, m_maxHeight);

    return true;
}

// ----------------------------------------------------------------------------
// event handlers
// ----------------------------------------------------------------------------

void wxToolBarSimple::OnPaint (wxPaintEvent& WXUNUSED(event))
{
    wxPaintDC dc(this);
    PrepareDC(dc);

    static int count = 0;
    // Prevent reentry of OnPaint which would cause wxMemoryDC errors.
    if ( count > 0 )
        return;
    count++;

    for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
          node;
          node = node->GetNext() )
    {
        wxToolBarToolBase *tool = node->GetData();
        if ( tool->IsButton() )
            DrawTool(dc, tool);
    }

    count--;
}

void wxToolBarSimple::OnSize (wxSizeEvent& WXUNUSED(event))
{
    if (GetAutoLayout())
        Layout();

    AdjustScrollbars();
}

void wxToolBarSimple::OnKillFocus(wxFocusEvent& WXUNUSED(event))
{
    OnMouseEnter(m_pressedTool = m_currentTool = -1);
}

void wxToolBarSimple::OnMouseEvent(wxMouseEvent & event)
{
    wxCoord x, y;
    event.GetPosition(&x, &y);
    wxToolBarToolSimple *tool = (wxToolBarToolSimple *)FindToolForPosition(x, y);

    if (event.LeftDown())
    {
        CaptureMouse();
    }
    if (event.LeftUp())
    {
        ReleaseMouse();
    }

    if (!tool)
    {
        if (m_currentTool > -1)
        {
            if (event.LeftIsDown())
                SpringUpButton(m_currentTool);
            m_currentTool = -1;
            OnMouseEnter(-1);
        }
        return;
    }

    if (!event.IsButton())
    {
        if ( tool->GetId() != m_currentTool )
        {
            // If the left button is kept down and moved over buttons,
            // press those buttons.
            if ( event.LeftIsDown() && tool->IsEnabled() )
            {
                SpringUpButton(m_currentTool);

                if ( tool->CanBeToggled() )
                {
                    tool->Toggle();
                }

                DrawTool(tool);
            }

            m_currentTool = tool->GetId();
            OnMouseEnter(m_currentTool);
        }
        return;
    }

    // Left button pressed.
    if ( event.LeftDown() && tool->IsEnabled() )
    {
        if ( tool->CanBeToggled() )
        {
            tool->Toggle();
        }

        DrawTool(tool);
    }
    else if (event.RightDown())
    {
        OnRightClick(tool->GetId(), x, y);
    }

    // Left Button Released.  Only this action confirms selection.
    // If the button is enabled and it is not a toggle tool and it is
    // in the pressed state, then raise the button and call OnLeftClick.
    //
    if ( event.LeftUp() && tool->IsEnabled() )
    {
        // Pass the OnLeftClick event to tool
        if ( !OnLeftClick(tool->GetId(), tool->IsToggled()) &&
                          tool->CanBeToggled() )
        {
            // If it was a toggle, and OnLeftClick says No Toggle allowed,
            // then change it back
            tool->Toggle();
        }

        DrawTool(tool);
    }
}

// ----------------------------------------------------------------------------
// drawing
// ----------------------------------------------------------------------------

void wxToolBarSimple::DrawTool(wxToolBarToolBase *tool)
{
    wxClientDC dc(this);
    DrawTool(dc, tool);
}

void wxToolBarSimple::DrawTool(wxDC& dc, wxToolBarToolBase *toolBase)
{