pglistboxitem.cpp

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/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    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
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2007-04-13 16:16:03 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/src/widgets/pglistboxitem.cpp,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/

#include "pglistboxitem.h"
#include "pglistbox.h"
#include "pgapplication.h"
#include "pgtheme.h"

#include "propstrings_priv.h"

PG_ListBoxItem::PG_ListBoxItem(PG_Widget* parent, int height, const std::string& text, SDL_Surface* icon, void* userdata, const std::string& style) : PG_ListBoxBaseItem(parent, height, userdata) {
        my_srfHover = NULL;
        my_srfSelected = NULL;

        my_srfIcon = icon;

        for(int i=0; i<3; i++) {
                my_background[i] = NULL;
                my_bkmode[i] = PG_Draw::TILE;
                my_blend[i] = 0;
                my_gradient[i] = NULL;
        }

        LoadThemeStyle(style, PG_PropStr::ListBoxItem);
   SetText(text);

}

PG_ListBoxItem::~PG_ListBoxItem() {
        PG_ThemeWidget::DeleteThemedSurface(my_srfHover);
        PG_ThemeWidget::DeleteThemedSurface(my_srfSelected);
}

void PG_ListBoxItem::eventSizeWidget(Uint16 w, Uint16 h) {
        PG_ThemeWidget::DeleteThemedSurface(my_srfHover);
        PG_ThemeWidget::DeleteThemedSurface(my_srfSelected);

        // reset surface pointers, will be regenerated on next blit
        my_srfHover = NULL;
        my_srfSelected = NULL;
}

void PG_ListBoxItem::eventBlit(SDL_Surface* srf, const PG_Rect& src, const PG_Rect& dst) {

        if((dst.my_width == 0) || (dst.my_height == 0)) {
                return;
        }

        if(my_srfHover == NULL) {
                my_srfHover = PG_ThemeWidget::CreateThemedSurface(
                                  PG_Rect(0, 0, my_width, my_height),
                                  my_gradient[2],
                                  my_background[2],
                                  my_bkmode[2],
                                  my_blend[2]);
        }

        if(my_srfSelected == NULL) {
                my_srfSelected = PG_ThemeWidget::CreateThemedSurface(
                                     PG_Rect(0, 0, my_width, my_height),
                                     my_gradient[1],
                                     my_background[1],
                                     my_bkmode[1],
                                     my_blend[1]);
        }

        if(my_selected) {
                PG_Widget::eventBlit(my_srfSelected, src, dst);
        } else if(my_hover) {
                PG_Widget::eventBlit(my_srfHover, src, dst);
        }

        PG_Label::eventBlit(NULL, src, dst);
}

void PG_ListBoxItem::LoadThemeStyle(const std::string& widgettype, const std::string& objectname) {
        PG_Theme* t = PG_Application::GetTheme();
        PG_Gradient* g = NULL;

        my_background[0] = t->FindSurface(widgettype, objectname, PG_PropStr::background0);
        my_background[1] = t->FindSurface(widgettype, objectname, PG_PropStr::background1);
        my_background[2] = t->FindSurface(widgettype, objectname, PG_PropStr::background2);

        t->GetProperty(widgettype, objectname, PG_PropStr::blend0, my_blend[0]);
        t->GetProperty(widgettype, objectname, PG_PropStr::blend1, my_blend[1]);
        t->GetProperty(widgettype, objectname, PG_PropStr::blend2, my_blend[2]);

        t->GetProperty(widgettype, objectname, PG_PropStr::backmode0, my_bkmode[0]);
        t->GetProperty(widgettype, objectname, PG_PropStr::backmode1, my_bkmode[1]);
        t->GetProperty(widgettype, objectname, PG_PropStr::backmode2, my_bkmode[2]);

        g = t->FindGradient(widgettype, objectname, PG_PropStr::gradient0);
        if(g)
                my_gradient[0] = g;
        g = t->FindGradient(widgettype, objectname, PG_PropStr::gradient1);
        if(g)
                my_gradient[1] = g;
        g = t->FindGradient(widgettype, objectname, PG_PropStr::gradient2);
        if(g)
                my_gradient[2] = g;

        PG_Color fontcolor(0xFFFFFF);
        t->GetColor(widgettype, objectname, PG_PropStr::textcolor, fontcolor);
        SetFontColor(fontcolor);
}

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