pglistboxbaseitem.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/pglistboxbaseitem.cpp,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/

#include "pglistboxbaseitem.h"
#include "pglistbox.h"

PG_ListBoxBaseItem::PG_ListBoxBaseItem(PG_Widget* parent, Uint16 height, void* userdata) : PG_Label(parent, PG_Rect(0,0,0,height)) {
        my_userdata = userdata;
        my_selected = false;
        my_hover = false;
        //my_itemheight = height;

        if (parent != NULL) {
                SetIndent(GetParent()->GetIndent());
                SetAlignment(GetParent()->GetAlignment());
        }
}

PG_ListBoxBaseItem::~PG_ListBoxBaseItem() {
        if(GetParent() == NULL) {
                return;
        }

        if(GetParent()->GetSelectedItem() == this) {
                GetParent()->SelectItem(NULL);
                //GetParent()->RemoveWidget(this, true, true);
        }

        for (PG_Widget* w = next(); w != NULL; w = w->next()) {
                w->SetID(w->GetID() - 1);
        }
}

void PG_ListBoxBaseItem::SetUserData(void* userdata) {
        my_userdata = userdata;
}

void* PG_ListBoxBaseItem::GetUserData() {
        return my_userdata;
}

bool PG_ListBoxBaseItem::IsSelected() {
        return my_selected;
}

void PG_ListBoxBaseItem::Select(bool select) {
        my_selected = select;

        if(GetParent() != NULL) {
                if(select) {
                        GetParent()->SelectItem(this);
         // SelectItem will call Update...
                } else
         Update();
        }
}

void PG_ListBoxBaseItem::eventSizeWidget(Uint16 w, Uint16 h) {
        //my_itemheight = h;
}

void PG_ListBoxBaseItem::eventMouseEnter() {
        my_hover = true;
        Update();
}

void PG_ListBoxBaseItem::eventMouseLeave() {
        my_hover = false;
        PG_Label::eventMouseLeave();
        Update();
}

void PG_ListBoxBaseItem::eventHide() {
        my_hover = false;
}

bool PG_ListBoxBaseItem::eventMouseButtonUp(const SDL_MouseButtonEvent* button) {

        if(button->button == 4 && this != PG_Label::GetParent()->GetChildList()->first()) {
                SDL_WarpMouse(button->x, button->y - my_height);
                return true;
        }

        if(button->button == 5 && this != PG_Label::GetParent()->GetChildList()->last()) {
                SDL_WarpMouse(button->x, button->y + my_height);
                return true;
        }

        if(button->button != 1) {
                return false;
        }

        if(GetParent() == NULL || !GetParent()->IsVisible()) {
                return true;
        }

        if(GetParent()->GetMultiSelect()) {
                Select(!IsSelected());
        } else {
                Select(true);
        }

        return true;
}

PG_ListBox* PG_ListBoxBaseItem::GetParent() {
        if(PG_Label::GetParent() == NULL) {
                return NULL;
        }
        // oh, oh,... close your eyes
        // hack hack
        return dynamic_cast<PG_ListBox*>(PG_Label::GetParent()->GetParent());
}

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