/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  RawTherapee 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "lwbuttonset.h"

LWButtonSet::LWButtonSet () : aw(0), ah(0) {
}

LWButtonSet::~LWButtonSet () {

    for (size_t i=0; i<buttons.size(); i++)
        delete buttons[i];
}

void LWButtonSet::add (LWButton* b) {

    buttons.push_back (b);
}
        
void LWButtonSet::getMinimalDimensions (int& w, int& h) {

    w=0; h=0;
    for (size_t i=0; i<buttons.size(); i++) {
        int bw, bh;
        buttons[i]->getSize (bw, bh);
        w+= bw;
        if (bh>h)
            h = bh;
    }
}

void LWButtonSet::arrangeButtons (int x, int y, int w, int h) {

    int mw, mh;
    getMinimalDimensions (mw, mh);

    if (w<0)
        w = mw;
    if (h<0)
        h = mh;

    int begx = x; 
    int endx = x+w-1;
    for (size_t i=0; i<buttons.size(); i++) {
        LWButton::Alignment halign, valign;
        int bx, by, bw, bh;
        buttons[i]->getSize (bw, bh);
        buttons[i]->getAlignment (halign, valign);
        if (halign == LWButton::Left) {
            bx = begx;
            begx += bw;
        }
        else if (halign == LWButton::Right) {
            bx = endx-bw;
            endx -= bw;
        }
        if (valign == LWButton::Top) 
            by = y;
        else if (valign == LWButton::Bottom) 
            by = y+h-bh-1;
        else if (valign == LWButton::Center) 
            by = y+(h-bh)/2;
        buttons[i]->setPosition (bx, by);
    }
    aw = w;
    ah = h;
    ax = x;
    ay = y;
}

void LWButtonSet::move (int nx, int ny) {

    for (size_t i=0; i<buttons.size(); i++) {
        int x, y;
        buttons[i]->getPosition (x, y);
        buttons[i]->setPosition (x+nx-ax, y+ny-ay);
    }

    ax = nx;
    ay = ny;
}

void LWButtonSet::redraw (Cairo::RefPtr<Cairo::Context> context) {

    for (size_t i=0; i<buttons.size(); i++)
        buttons[i]->redraw (context);
}

bool LWButtonSet::motionNotify (int x, int y) {

    bool res = false;
    for (size_t i=0; i<buttons.size(); i++) {
        bool handled = buttons[i]->motionNotify (x, y);
        res = res || handled;
    }
        
    return res;
}

bool LWButtonSet::pressNotify (int x, int y) {

    bool res = false;
    for (size_t i=0; i<buttons.size(); i++) {
        bool handled = buttons[i]->pressNotify (x, y);
        res = res || handled;
    }
    return res;
}

bool LWButtonSet::releaseNotify (int x, int y) {

    bool res = false;
    for (size_t i=0; i<buttons.size(); i++) {
        bool handled = buttons[i]->releaseNotify (x, y);
        res = res || handled;
    }
    return res;
}

bool LWButtonSet::inside (int x, int y) {

	for (size_t i=0; i<buttons.size(); i++)
        if (buttons[i]->inside (x, y))
            return true;
    return false;
}

void LWButtonSet::setButtonListener (LWButtonListener* bl) {

	for (size_t i=0; i<buttons.size(); i++)
        buttons[i]->setButtonListener (bl);
}

void LWButtonSet::getAllocatedDimensions (int& w, int& h) {

    w = aw;
    h = ah;
}

void LWButtonSet::setColors (const Gdk::Color& bg, const Gdk::Color& fg) {

	for (size_t i=0; i<buttons.size(); i++)
        buttons[i]->setColors (bg, fg);
}

Glib::ustring LWButtonSet::getToolTip (int x, int y) {

	for (size_t i=0; i<buttons.size(); i++) {
        Glib::ustring ttip = buttons[i]->getToolTip (x, y);
        if (ttip!="")
            return ttip;
    }
    return "";
}