/***************************************************************************
                          SIMPLY POWERFUL TOOLKIT (SPTK)
                          CToolBar.cpp  -  description
                             -------------------
    begin                : Mon Jun 19 2000
    copyright            : (C) 2000-2006 by Alexey S.Parshin
    email                : alexeyp@gmail.com
 ***************************************************************************/

/***************************************************************************
   This library is free software; you can redistribute it and/or modify it 
   under the terms of the GNU Library General Public License as published by
   the Free Software Foundation; either version 2 of the License, or (at 
   your option) any later version.

   This library is distributed in the hope that it will be useful, but 
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library
   General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; if not, write to the Free Software Foundation, 
   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

   Please report all bugs and problems to "alexeyp@gmail.com"
 ***************************************************************************/

#include <FL/fl_draw.h>
#include <FL/Fl_Window.h>
#include <sptk3/CToolBar.h>

using namespace std;
using namespace sptk;

CToolBar::CToolBar(CLayoutAlign layoutAlignment)
: CGroup("",5,layoutAlignment) {
	m_colapsed = false;
	layoutSpacing(4);
	box(FL_UP_BOX);
}

#ifdef __COMPATIBILITY_MODE__    
CToolBar::CToolBar(int x,int y,int w,int h)
: CGroup(x, y, w, h) {
	m_colapsed = false;
	layoutSpacing(3);
	box(FL_UP_BOX);
}
#endif

CButton *CToolBar::addButton(CButtonKind buttonKind,Fl_Callback_p cb,const char *label,CLayoutAlign buttonAlign) {
	CButton *b = new CButton(buttonKind,buttonAlign,label);
	if (cb)
		b->callback(cb);
	return b;
}

#define HIDE_BAR_WIDTH 8
#define HIDE_BAR_WIDTH_COLLAPSED 30

void CToolBar::resize(int xx,int yy,int ww,int hh) {
	if (m_colapsed) {
		Fl_Widget::resize(xx,yy,ww,HIDE_BAR_WIDTH+Fl::box_dh(box()));
	} else {
		Fl_Widget::resize(xx,yy,ww,hh);
		xx += HIDE_BAR_WIDTH;
		ww -= HIDE_BAR_WIDTH;
		autoLayout(xx,yy,ww,hh,true);
	}
}

void CToolBar::preferredSize(int& ww,int& hh) {
	if (m_colapsed) {
		hh = HIDE_BAR_WIDTH+Fl::box_dh(box());
		int wm = HIDE_BAR_WIDTH_COLLAPSED+Fl::box_dw(box());
		if (ww < wm)
			ww = wm;
	} else {
		ww -= HIDE_BAR_WIDTH + 1;
		autoLayout(0,0,ww,hh,false);
		ww += HIDE_BAR_WIDTH + 1;
	}
}

int CToolBar::handle(int event) {
	if (event == FL_PUSH) {
		int xzone = HIDE_BAR_WIDTH;
		if (m_colapsed) xzone = HIDE_BAR_WIDTH_COLLAPSED;

		if (Fl::event_x() <= xzone) {
			m_colapsed = !m_colapsed;
         CLayoutManager *parentLayoutManager = dynamic_cast<CLayoutManager *>(parent());
         if (parentLayoutManager) {
			   parentLayoutManager->relayout();
         } else {
			   relayout();
         }
  	      window()->redraw();
			return true;
		}
	}
	return CGroup::handle(event);
}

void CToolBar::draw() {
	int dx = Fl::box_dx(box());
	int dy = Fl::box_dy(box());
	int dh = Fl::box_dh(box());
	int xs = x()+dx+1;
	int ys = y()+dy+1;
	int hs = h()-dh-2;
	if (m_colapsed) {
		draw_box();
		//fl_draw_box(FL_THIN_UP_BOX,xs,ys,HIDE_BAR_WIDTH_COLLAPSED,hs,color());
		//xs += 1;
		//ys += 1;
		int xe = xs + HIDE_BAR_WIDTH_COLLAPSED - 4;
		for (int xx = xs; xx < xe; xx+= 3) {
			fl_draw_box(FL_THIN_UP_BOX,xx,ys,2,2,FL_WHITE);
			fl_draw_box(FL_THIN_UP_BOX,xx+1,ys+3,2,2,FL_WHITE);
		}
	} else {
		CGroup::draw();
		//fl_draw_box(FL_THIN_UP_BOX,xs,ys,HIDE_BAR_WIDTH-1,hs,color());
		//xs += 1;
		//ys += 1;
		int ye = ys + hs - 2;
		for (int yy = ys; yy < ye; yy+= 3) {
			fl_draw_box(FL_THIN_UP_BOX,xs,yy,2,2,FL_WHITE);
			fl_draw_box(FL_THIN_UP_BOX,xs+3,yy+1,2,2,FL_WHITE);
		}
	}
}
