doom3-bfg/neo/d3xp/menus/MenuWidget_Scrollbar.cpp
2012-11-26 12:58:24 -06:00

261 lines
8 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 "../../idLib/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;
}
}
}