frame.cpp
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上传日期:2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: frame.cpp,v $
- * PRODUCTION Revision 1000.1 2004/06/01 21:09:06 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.2
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: frame.cpp,v 1000.1 2004/06/01 21:09:06 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:
- *
- */
- #include <ncbi_pch.hpp>
- #include <gui/widgets/fl/frame.hpp>
- #include <FL/Fl.H>
- #include <FL/fl_draw.H>
- BEGIN_NCBI_SCOPE
- //////////////////////////////////////////////////////////////////////////
- //
- // CFlFrame
- //
- CFlFrame::CFlFrame(int x, int y, int w, int h, const char* label)
- : Fl_Group(x, y, w, h, label)
- {
- }
- int CFlFrame::align() const
- {
- return Fl_Group::align();
- }
- void CFlFrame::align(int a)
- {
- Fl_Group::align(a | FL_ALIGN_INSIDE);
- }
- void CFlFrame::draw_label()
- {
- // save and restore our font for rendering
- int font_face = fl_font();
- int font_size = fl_size();
- int pos_x = x();
- int pos_y = y();
- fl_font(labelfont(), labelsize());
- int text_wid = (int)fl_width(label());
- int text_ht = labelsize();
- _TRACE("text size: " << text_wid << ", " << text_ht);
- // make sure we appear correctly
- // the default is always the top
- if (align() & FL_ALIGN_BOTTOM) {
- pos_y += h() - (text_ht / 2) - 1;
- } else {
- pos_y -= (text_ht - 1) / 2;
- }
- int offs = 6;
- if (align() & FL_ALIGN_LEFT) {
- // left justified
- pos_x += offs;
- } else if (align() & FL_ALIGN_RIGHT) {
- // right-justified
- pos_x += (w() - text_wid - offs);
- } else {
- // centered
- pos_x += (w() - text_wid) / 2;
- }
- draw_label(pos_x, pos_y, text_wid, text_ht);
- fl_font(font_face, font_size);
- }
- void CFlFrame::draw_label(int x, int y, int w, int h)
- {
- fl_rectf(x - 2, y, w + 4, h, color());
- fl_color(labelcolor());
- fl_draw(label(), x, y, w, h, FL_ALIGN_CENTER);
- }
- void CFlFrame::draw()
- {
- // call draw_children(), as we handle the rendering of the frame and label
- if (damage() & ~FL_DAMAGE_CHILD) {
- // label and frame get drawn
- draw_box();
- draw_label();
- }
- draw_children();
- }
- //////////////////////////////////////////////////////////////////////////
- //
- // CFlEnabledFrame
- //
- static void s_toggle_frame(Fl_Widget* w, void* data)
- {
- CFlEnabledFrame* fw = static_cast<CFlEnabledFrame*>(data);
- if (fw) {
- fw->ToggleEnabled();
- }
- }
- CFlEnabledFrame::CFlEnabledFrame(int x, int y, int w, int h, const char* label)
- : CFlFrame(x, y, w, h, label)
- , m_Button(x, y, w, h)
- {
- m_Button.label(label);
- m_Button.box(FL_FLAT_BOX);
- m_Button.callback(s_toggle_frame, this);
- }
- const char* CFlEnabledFrame::label() const
- {
- return m_Button.label();
- }
- void CFlEnabledFrame::label(const char* l)
- {
- m_Button.label(l);
- }
- void CFlEnabledFrame::draw_label(int x, int y, int w, int h)
- {
- w += 20;
- if (align() & FL_ALIGN_RIGHT) {
- x -= 20;
- }
- m_Button.resize(x, y, w, h);
- m_Button.redraw();
- }
- void CFlEnabledFrame::SetEnabled(bool b)
- {
- if (b) {
- for (int i = 0; i < children(); ++i) {
- if (child(i) != &m_Button) {
- child(i)->activate();
- }
- }
- } else {
- for (int i = 0; i < children(); ++i) {
- if (child(i) != &m_Button) {
- child(i)->deactivate();
- }
- }
- }
- m_Button.value(b);
- m_Button.redraw();
- }
- void CFlEnabledFrame::ToggleEnabled()
- {
- SetEnabled( !m_Button.value() );
- m_Button.value( !m_Button.value() );
- /**
- if (m_Button.value()) {
- for (int i = 0; i < children(); ++i) {
- if (child(i) != &m_Button) {
- child(i)->deactivate();
- }
- }
- } else {
- for (int i = 0; i < children(); ++i) {
- if (child(i) != &m_Button) {
- child(i)->activate();
- }
- }
- }
- **/
- Fl::focus(this);
- }
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: frame.cpp,v $
- * Revision 1000.1 2004/06/01 21:09:06 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 2003/09/29 15:25:39 dicuccio
- * Initial revision
- *
- * ===========================================================================
- */