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dock_frame.cpp：源码内容
							/*
 * ===========================================================================
 * PRODUCTION $Log: dock_frame.cpp,v $
 * PRODUCTION Revision 1000.1  2004/06/01 21:08:22  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.2
 * PRODUCTION
 * ===========================================================================
 */
/*  $Id: dock_frame.cpp,v 1000.1 2004/06/01 21:08:22 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Mike DiCuccio
 *
 * File Description:
 *    CDockFrame -- internal widget class that represents the frame
 *                   surrounding a given MDI child
 */
#include <ncbi_pch.hpp>
#include "dock_frame.hpp"
#include <FL/Fl_Box.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Pixmap.H>
BEGIN_NCBI_SCOPE
static void s_RedockLeft_cb(Fl_Widget* w, void* data)
{
    CDockFrame* frame = reinterpret_cast<CDockFrame*>(data);
    if (frame) {
        frame->RedockLeft();
    }
}
static void s_RedockRight_cb(Fl_Widget* w, void* data)
{
    CDockFrame* frame = reinterpret_cast<CDockFrame*>(data);
    if (frame) {
        frame->RedockRight();
    }
}
static void s_RedockBottom_cb(Fl_Widget* w, void* data)
{
    CDockFrame* frame = reinterpret_cast<CDockFrame*>(data);
    if (frame) {
        frame->RedockBottom();
    }
}
static void s_RedockTop_cb(Fl_Widget* w, void* data)
{
    CDockFrame* frame = reinterpret_cast<CDockFrame*>(data);
    if (frame) {
        frame->RedockTop();
    }
}
static void s_Remove_cb(Fl_Widget* w, void* data)
{
    CDockFrame* frame = reinterpret_cast<CDockFrame*>(data);
    if (frame) {
        frame->Remove();
    }
}
CDockFrame::CDockFrame(CDockWidget* parent,
                       int x, int y, int w, int h, const char* label)
    : Fl_Group(x, y, w, h, label)
    , m_Parent(parent)
    , m_Owner(false)
{
}
CDockFrame::~CDockFrame()
{
    // detach our child, if it exists
    Detach();
}
void CDockFrame::Attach(Fl_Widget* child, bool owner)
{
    Detach();
    m_Child = child;
    m_Owner = owner;
    // our border
    const size_t border_h = 10;
    const size_t control_btn_w = 8;
    const size_t control_btn_h = 8;
    const size_t control_btn_spacing = 2;
    const size_t control_btn_panel_w = (control_btn_w+ control_btn_spacing) * 5;
    {{
        // our control group
        Fl_Box* box       = NULL;
        Fl_Button* button = NULL;
        Fl_Group* group   = new Fl_Group(x(), y(), w(), border_h);
        group->box(FL_FLAT_BOX);
        const size_t gripper_w = group->w() - 3 -
            (control_btn_panel_w + control_btn_spacing);
        const size_t gripper_h = 3;
        // gripper bars
        box = new Fl_Box(group->x() + 2, group->y() + 2,
                         gripper_w, gripper_h);
        box->box(FL_THIN_UP_FRAME);
        box->clear_visible_focus();
        //group->add(box);
        group->resizable(box);
    
        box = new Fl_Box(group->x() + 2,
                         group->y() + border_h - gripper_h - 2,
                         gripper_w, gripper_h);
        box->box(FL_THIN_UP_FRAME);
        box->clear_visible_focus();
        //group->add(box);
        // buttons
        size_t control_x = group->x() + gripper_w + control_btn_spacing * 2;
        button = new Fl_Button(control_x, group->y() + 1,
                               control_btn_w, control_btn_h);
        button->box(FL_THIN_UP_FRAME);
        button->image(x_GetDockPositionImg(CDockWidget::eDock_Left));
        button->clear_visible_focus();
        button->tooltip("Re-dock this window on the left");
        button->callback(s_RedockLeft_cb, this);
        control_x += control_btn_w + control_btn_spacing;
        button = new Fl_Button(control_x, group->y() + 1,
                               control_btn_w, control_btn_h);
        button->box(FL_THIN_UP_FRAME);
        button->image(x_GetDockPositionImg(CDockWidget::eDock_Right));
        button->clear_visible_focus();
        button->callback(s_RedockRight_cb, this);
        button->tooltip("Re-dock this window on the right");
        control_x += control_btn_w + control_btn_spacing;
        button = new Fl_Button(control_x, group->y() + 1,
                               control_btn_w, control_btn_h);
        button->box(FL_THIN_UP_FRAME);
        button->image(x_GetDockPositionImg(CDockWidget::eDock_Top));
        button->clear_visible_focus();
        button->callback(s_RedockTop_cb, this);
        button->tooltip("Re-dock this window on the top");
        control_x += control_btn_w + control_btn_spacing;
        button = new Fl_Button(control_x, group->y() + 1,
                               control_btn_w, control_btn_h);
        button->box(FL_THIN_UP_FRAME);
        button->image(x_GetDockPositionImg(CDockWidget::eDock_Bottom));
        button->clear_visible_focus();
        button->callback(s_RedockBottom_cb, this);
        button->tooltip("Re-dock this window on the bottom");
        control_x += control_btn_w + control_btn_spacing;
        button = new Fl_Button(control_x, group->y() + 1,
                               control_btn_w, control_btn_h);
        button->box(FL_THIN_UP_FRAME);
        button->image(x_GetDockCloseImg());
        button->clear_visible_focus();
        button->tooltip("Remove this view from the dock");
        control_x += control_btn_w + control_btn_spacing;
        //group->add
        group->end();
        add(group);
    }}
    if (m_Child) {
        m_Child->box(FL_THIN_DOWN_BOX);
        m_Child->resize(x(), y() + border_h, w(), h() + - border_h);
        add(m_Child);
        resizable(m_Child);
    }
}
void CDockFrame::Detach(void)
{
    if (m_Child) {
        remove(m_Child);
        if (m_Owner) {
            delete m_Child;
        }
    }
    m_Child = NULL;
    m_Owner = false;
}
int CDockFrame::handle(int event)
{
    return Fl_Group::handle(event);
}
void CDockFrame::x_Redock(CDockWidget::EDockPosition pos)
{
    if (m_Parent) {
        bool old_owner = m_Owner;
        m_Owner = false;
        m_Parent->Undock(m_Child);
        m_Parent->Dock(m_Child, pos, old_owner);
    }
}
void CDockFrame::RedockLeft()
{
    x_Redock(CDockWidget::eDock_Left);
}
void CDockFrame::RedockRight()
{
    x_Redock(CDockWidget::eDock_Right);
}
void CDockFrame::RedockTop()
{
    x_Redock(CDockWidget::eDock_Top);
}
void CDockFrame::RedockBottom()
{
    x_Redock(CDockWidget::eDock_Bottom);
}
void CDockFrame::Remove()
{
}
////////////////////////////////////////////////////////////////////////////
///
/// Control button images
///
Fl_Pixmap* CDockFrame::sm_DockLeftImg = NULL;
Fl_Pixmap* CDockFrame::sm_DockRightImg = NULL;
Fl_Pixmap* CDockFrame::sm_DockTopImg = NULL;
Fl_Pixmap* CDockFrame::sm_DockBottomImg = NULL;
Fl_Pixmap* CDockFrame::sm_DockCloseImg = NULL;
Fl_Pixmap* CDockFrame::x_GetDockPositionImg(CDockWidget::EDockPosition pos)
{
    switch (pos) {
    case CDockWidget::eDock_Right:
        {{
            static const char * sc_DockRight[] = {
                "8 8 2 1",
                " 	c None",
                ".	c #444040",
                "         ",
                "   .     ",
                "   ..    ",
                "   ...   ",
                "   ...   ",
                "   ..    ",
                "   .     ",
                "         "
            };
            if ( !sm_DockRightImg) {
                sm_DockRightImg = new Fl_Pixmap(sc_DockRight);
            }
            return sm_DockRightImg;
        }}
        break;
    case CDockWidget::eDock_Left:
        {{
            static const char * sc_DockLeft[] = {
                "8 8 2 1",
                " 	c None",
                ".	c #444040",
                "        ",
                "    .   ",
                "   ..   ",
                "  ...   ",
                "  ...   ",
                "   ..   ",
                "    .   ",
                "        "
            };
            if ( !sm_DockLeftImg) {
                sm_DockLeftImg = new Fl_Pixmap(sc_DockLeft);
            }
            return sm_DockLeftImg;
        }}
        break;
    case CDockWidget::eDock_Bottom:
        {{
            static const char * sc_DockBottom[] = {
                "8 8 2 1",
                " 	c None",
                ".	c #444040",
                "        ",
                "        ",
                " ...... ",
                "  ....  ",
                "   ..   ",
                "        ",
                "        ",
                "        "
            };
            if ( !sm_DockBottomImg) {
                sm_DockBottomImg = new Fl_Pixmap(sc_DockBottom);
            }
            return sm_DockBottomImg;
        }}
        break;
    case CDockWidget::eDock_Top:
        {{
            static const char * sc_DockTop[] = {
                "8 8 2 1",
                " 	c None",
                ".	c #444040",
                "        ",
                "        ",
                "   ..   ",
                "  ....  ",
                " ...... ",
                "        ",
                "        ",
                "        "
            };
            if ( !sm_DockTopImg) {
                sm_DockTopImg = new Fl_Pixmap(sc_DockTop);
            }
            return sm_DockTopImg;
        }}
        break;
    default:
        LOG_POST(Error << "Error: unhandled dock image type");
        break;
    }
    return NULL;
}
Fl_Pixmap* CDockFrame::x_GetDockCloseImg(void)
{
    static const char * sc_DockClose[] = {
        "8 8 3 1",
        " 	c None",
        "*	c #444040",
        ".	c #c0c0c0",
        "        ",
        " *.  .* ",
        "  *..*  ",
        "   **   ",
        "   **   ",
        "  *..*  ",
        " *.  .* ",
        "        "
    };
    if ( !sm_DockCloseImg) {
        sm_DockCloseImg = new Fl_Pixmap(sc_DockClose);
    }
    return sm_DockCloseImg;
}
END_NCBI_SCOPE
/*
 * ===========================================================================
 * $Log: dock_frame.cpp,v $
 * Revision 1000.1  2004/06/01 21:08:22  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.2
 *
 * Revision 1.2  2004/05/21 22:27:53  gorelenk
 * Added PCH ncbi_pch.hpp
 *
 * Revision 1.1  2004/01/08 16:45:31  dicuccio
 * Initial revision
 *
 * ===========================================================================
 */

						