79 lines
3.0 KiB
C++
79 lines
3.0 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2009 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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/* wrap a widget in a group as wide as the widget's label. This is
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* useful when you want to put labeled widgets into a pack */
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#include <FL/Fl_Widget.H>
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#include <FL/Fl_Group.H>
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#include <FL/fl_draw.H>
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class Fl_Labelpad_Group : public Fl_Group
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{
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public:
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static void measure_label ( Fl_Widget *o, int &W, int &H )
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{
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W = fl_width( o->label() );
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H = fl_height();
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}
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Fl_Labelpad_Group ( Fl_Widget *o ) : Fl_Group( 0, 0, 50, 50, 0 )
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{
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resizable( 0 );
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end();
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add( o );
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fl_font( o->labelfont(), o->labelsize() );
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int W, H;
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measure_label( o, W, H );
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// set size to contain widget
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if ( o->align() & ( FL_ALIGN_TOP | FL_ALIGN_BOTTOM ) )
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size( W > o->w() ? W : o->w(), o->h() + H );
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if ( o->align() & ( FL_ALIGN_LEFT | FL_ALIGN_RIGHT ) )
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size( o->w() + W, H > o->h() ? H : o->h() );
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// center widget in group
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if ( o->align() & FL_ALIGN_TOP )
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o->position( x() + w() / 2 - (o->w() / 2 ), y() + H );
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else if ( o->align() & FL_ALIGN_BOTTOM )
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o->position( x() + w() / 2 - (o->w() / 2 ), y() );
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else if ( o->align() & FL_ALIGN_RIGHT )
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o->position( x(), y() );
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else if ( o->align() & FL_ALIGN_LEFT )
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o->position( x() + W, y() );
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else
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{
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/* TODO: other alignments */
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}
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resizable(o);
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init_sizes();
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}
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virtual ~Fl_Labelpad_Group ( )
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{
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}
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};
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