doom3-bfg/neo/d3xp/menus/MenuWidget_Scrollbar.cpp

305 lines
8.1 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#pragma hdrstop
#include "precompiled.h"
#include "../Game_local.h"
void idMenuWidget_ScrollBar::Initialize( idMenuHandler* data )
{
idMenuWidget::Initialize( data );
AddEventAction( WIDGET_EVENT_DRAG_START ).Set( new( TAG_SWF ) idWidgetActionHandler( this, WIDGET_ACTION_EVENT_DRAG_START, WIDGET_EVENT_DRAG_START ) );
AddEventAction( WIDGET_EVENT_DRAG_STOP ).Set( new( TAG_SWF ) idWidgetActionHandler( this, WIDGET_ACTION_EVENT_DRAG_STOP, WIDGET_EVENT_DRAG_STOP ) );
}
/*
========================
idMenuWidget_ScrollBar::Update
========================
*/
void idMenuWidget_ScrollBar::Update()
{
if( GetSWFObject() == NULL )
{
return;
}
idSWFScriptObject& root = GetSWFObject()->GetRootObject();
if( !BindSprite( root ) || GetSprite() == NULL )
{
return;
}
if( GetParent() == NULL )
{
return;
}
CalcTopAndBottom();
idSWFScriptObject* node = GetSprite()->GetScriptObject()->GetNestedObj( "node" );
idSWFSpriteInstance* nodeSprite = GetSprite()->GetScriptObject()->GetNestedSprite( "node" );
if( node != NULL && nodeSprite != NULL )
{
node->Set( "onDrag", new( TAG_SWF ) WrapWidgetSWFEvent( this, WIDGET_EVENT_DRAG_START, 0 ) );
node->Set( "onRelease", new( TAG_SWF ) WrapWidgetSWFEvent( this, WIDGET_EVENT_DRAG_STOP, 0 ) );
const idMenuWidget_DynamicList* const list = dynamic_cast< const idMenuWidget_DynamicList* const >( GetParent() );
if( list != NULL )
{
float percent = 0.0f;
if( ( list->GetTotalNumberOfOptions() - list->GetNumVisibleOptions() ) > 0 )
{
percent = ( float )list->GetViewOffset() / ( ( float )list->GetTotalNumberOfOptions() - list->GetNumVisibleOptions() );
float range = yBot - yTop;
nodeSprite->SetVisible( true );
nodeSprite->SetYPos( percent * range );
//GetSprite()->StopFrame( int( ( percent * 100.0f ) + 2.0f ) );
}
else
{
nodeSprite->SetVisible( 0 );
}
}
idMenuWidget_InfoBox* const infoBox = dynamic_cast< idMenuWidget_InfoBox* const >( GetParent() );
if( infoBox != NULL )
{
float percent = 0.0f;
if( infoBox->GetMaxScroll() == 0 )
{
nodeSprite->SetVisible( 0 );
}
else
{
percent = ( float )infoBox->GetScroll() / ( float )infoBox->GetMaxScroll();
float range = yBot - yTop;
nodeSprite->SetVisible( true );
nodeSprite->SetYPos( percent * range );
//GetSprite()->StopFrame( int( ( percent * 100.0f ) + 2.0f ) );
}
}
}
}
/*
========================
idMenuWidget_ScrollBar::CalcTopAndBottom
========================
*/
void idMenuWidget_ScrollBar::CalcTopAndBottom()
{
if( GetSWFObject() == NULL )
{
return;
}
idSWFScriptObject& root = GetSWFObject()->GetRootObject();
if( !BindSprite( root ) || GetSprite() == NULL )
{
return;
}
int tempPos = 0.0f;
idSWFSpriteInstance* curMC = GetSprite()->GetScriptObject()->GetNestedSprite( "top" );
if( curMC != NULL )
{
tempPos = curMC->GetYPos();
while( curMC->parent != NULL )
{
curMC = curMC->parent;
tempPos += curMC->GetYPos();
}
}
yTop = tempPos;
tempPos = 0.0f;
curMC = GetSprite()->GetScriptObject()->GetNestedSprite( "bottom" );
if( curMC != NULL )
{
tempPos = curMC->GetYPos();
while( curMC->parent != NULL )
{
curMC = curMC->parent;
tempPos += curMC->GetYPos();
}
}
yBot = tempPos;
}
/*
========================
idMenuWidget_ScrollBar::CalculatePosition
========================
*/
void idMenuWidget_ScrollBar::CalculatePosition( float x, float y )
{
if( GetSprite() == NULL )
{
return;
}
if( y >= yTop && y <= yBot )
{
float range = yBot - yTop;
float val = y - yTop;
float percent = val / range;
idSWFSpriteInstance* node = GetSprite()->GetScriptObject()->GetNestedSprite( "node" );
if( node != NULL )
{
node->SetYPos( percent * range );
}
idMenuWidget_DynamicList* const list = dynamic_cast< idMenuWidget_DynamicList* const >( GetParent() );
if( list != NULL )
{
float maxScroll = list->GetTotalNumberOfOptions() - list->GetNumVisibleOptions();
int offset = list->GetViewOffset();
float segment = ( maxScroll + 0.5f ) / 100.0f;
int newOffset = ( int )( ( ( percent * segment ) * 100.0f ) );
if( newOffset >= maxScroll )
{
int i = 1;
i = i;
}
if( newOffset != offset )
{
int viewIndex = list->GetViewIndex();
list->SetViewOffset( newOffset );
idLib::Printf( "newOffset = %d\n", newOffset );
if( viewIndex < newOffset )
{
viewIndex = newOffset;
list->SetViewIndex( viewIndex );
}
else if( viewIndex > ( newOffset + list->GetNumVisibleOptions() - 1 ) )
{
viewIndex = ( newOffset + list->GetNumVisibleOptions() - 1 );
list->SetViewIndex( viewIndex );
}
idLib::Printf( "newView = %d\n", list->GetViewIndex() );
int newFocus = viewIndex - newOffset;
if( newFocus >= 0 )
{
list->SetFocusIndex( newFocus );
}
list->Update();
}
}
idMenuWidget_InfoBox* const infoBox = dynamic_cast< idMenuWidget_InfoBox* const >( GetParent() );
if( infoBox != NULL )
{
float maxScroll = infoBox->GetMaxScroll();
int scroll = infoBox->GetScroll();
float segment = ( maxScroll + 1.0f ) / 100.0f;
int newScroll = ( int )( ( ( percent * segment ) * 100.0f ) );
if( newScroll != scroll )
{
infoBox->SetScroll( newScroll );
}
}
}
}
/*
========================
idMenuWidget_ScrollBar::HandleAction
========================
*/
bool idMenuWidget_ScrollBar::HandleAction( idWidgetAction& action, const idWidgetEvent& event, idMenuWidget* widget, bool forceHandled )
{
widgetAction_t actionType = action.GetType();
switch( actionType )
{
case WIDGET_ACTION_SCROLL_DRAG:
{
if( event.parms.Num() != 3 )
{
return true;
}
dragging = true;
float x = event.parms[0].ToFloat();
float y = event.parms[1].ToFloat();
bool initial = event.parms[2].ToBool();
if( initial )
{
CalcTopAndBottom();
}
CalculatePosition( x, y );
return true;
}
case WIDGET_ACTION_EVENT_DRAG_STOP:
{
dragging = false;
return true;
}
}
return idMenuWidget::HandleAction( action, event, widget, forceHandled );
}
/*
========================
idMenuWidget_Help::ObserveEvent
========================
*/
void idMenuWidget_ScrollBar::ObserveEvent( const idMenuWidget& widget, const idWidgetEvent& event )
{
switch( event.type )
{
case WIDGET_EVENT_SCROLL_UP:
case WIDGET_EVENT_SCROLL_DOWN:
case WIDGET_EVENT_SCROLL_UP_LSTICK:
case WIDGET_EVENT_SCROLL_UP_RSTICK:
case WIDGET_EVENT_SCROLL_DOWN_LSTICK:
case WIDGET_EVENT_SCROLL_DOWN_RSTICK:
case WIDGET_EVENT_FOCUS_ON:
{
if( !dragging )
{
Update();
}
break;
}
}
}