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CWE-ou-minkata/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIListBoxMod.cpp

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
// //
// pfGUIListBoxMod Definition //
// //
//////////////////////////////////////////////////////////////////////////////
#include "hsTypes.h"
#include "pfGUIListBoxMod.h"
#include "pfGUIListElement.h"
#include "pfGameGUIMgr.h"
#include "pfGUIUpDownPairMod.h"
#include "pfGUIControlHandlers.h"
#include "pfGUIDialogMod.h"
#include "pnMessage/plRefMsg.h"
#include "pfMessage/pfGameGUIMsg.h"
#include "plMessage/plAnimCmdMsg.h"
#include "plAvatar/plAGModifier.h"
#include "plGImage/plDynamicTextMap.h"
#include "plInputCore/plInputInterface.h"
#include "plgDispatch.h"
#include "hsResMgr.h"
#define kIndentAmount 16
//// plSmallRect Stuff ///////////////////////////////////////////////////////
void pfGUIListBoxMod::plSmallRect::Set( Int16 l, Int16 t, Int16 r, Int16 b )
{
fLeft = l;
fTop = t;
fRight = r;
fBottom = b;
}
hsBool pfGUIListBoxMod::plSmallRect::Contains( Int16 x, Int16 y )
{
if( x < fLeft || x > fRight || y < fTop || y > fBottom )
return false;
return true;
}
//// Wee Little Control Proc for scrolling ///////////////////////////////////
class pfScrollProc : public pfGUICtrlProcObject
{
protected:
pfGUIListBoxMod *fParent;
public:
pfScrollProc( pfGUIListBoxMod *parent ) : fParent( parent ) {}
virtual void DoSomething( pfGUIControlMod *ctrl )
{
// Do a check here to make sure we actually changed scroll
// positions--if not, we don't want to update, since that'll be
// slow as hell
int newScrollPos = (int)fParent->fScrollControl->GetMax() - (int)fParent->fScrollControl->GetCurrValue();
if( newScrollPos != fParent->fScrollPos )
{
fParent->IUpdate();
fParent->HandleExtendedEvent( pfGUIListBoxMod::kScrollPosChanged );
}
}
};
//// Constructor/Destructor //////////////////////////////////////////////////
pfGUIListBoxMod::pfGUIListBoxMod()
{
SetFlag( kWantsInterest );
fCurrClick = -1;
fCurrHover = -1;
fModsAtDragTime = 0;
fScrollControl = nil;
fCheckScroll = false;
fSingleSelElement = -1;
fScrollRangeUpdateDeferred = false;
fScrollPos = 0;
fLocked = false;
fReadyToRoll = false;
fClicking = false;
fScrollProc = nil;
}
pfGUIListBoxMod::~pfGUIListBoxMod()
{
ClearAllElements();
if( fScrollProc && fScrollProc->DecRef() )
delete fScrollProc;
}
//// IEval ///////////////////////////////////////////////////////////////////
hsBool pfGUIListBoxMod::IEval( double secs, hsScalar del, UInt32 dirty )
{
return pfGUIControlMod::IEval( secs, del, dirty );
}
//// MsgReceive //////////////////////////////////////////////////////////////
hsBool pfGUIListBoxMod::MsgReceive( plMessage *msg )
{
plGenRefMsg *refMsg = plGenRefMsg::ConvertNoRef( msg );
if( refMsg != nil )
{
if( refMsg->fType == kRefScrollCtrl )
{
if( refMsg->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) )
{
fScrollControl = pfGUIValueCtrl::ConvertNoRef( refMsg->GetRef() );
fScrollControl->SetHandler( fScrollProc );
fScrollControl->SetStep( 1.f );
ICalcScrollRange();
}
else
fScrollControl = nil;
return true;
}
else if( refMsg->fType == kRefDynTextMap )
{
// Capture this so we can reset our flag, but do NOT just return from it!
if( !( refMsg->GetContext() & ( plRefMsg::kOnCreate | plRefMsg::kOnRequest | plRefMsg::kOnReplace ) ) )
fReadyToRoll = false;
}
}
return pfGUIControlMod::MsgReceive( msg );
}
//// IPostSetUpDynTextMap ////////////////////////////////////////////////////
void pfGUIListBoxMod::IPostSetUpDynTextMap( void )
{
ICalcWrapStarts();
ICalcScrollRange();
fReadyToRoll = true;
}
//// IUpdate /////////////////////////////////////////////////////////////////
void pfGUIListBoxMod::IUpdate( void )
{
int i, j;
UInt16 x, y, width, height, maxHeight;
if( !fReadyToRoll )
return;
if( fScrollRangeUpdateDeferred )
{
fScrollRangeUpdateDeferred = false;
ICalcScrollRange();
}
fDynTextMap->ClearToColor( GetColorScheme()->fBackColor );
if( fElements.GetCount() == 0 )
{
fDynTextMap->FlushToHost();
return;
}
if( fLocked )
{
hsStatusMessage( "WARNING: Forcing unlock on GUI list box due to call to IUpdate()\n" );
UnlockList();
}
if( fScrollControl != nil )
{
// We reverse the value, since we want the "up" button to scroll "up", which actually
// *decreases* the scrollPos
fScrollPos = (int)fScrollControl->GetMax() - (int)fScrollControl->GetCurrValue();
if( fCheckScroll )
{
// If this is set, we just did something to change the selection to a single item.
// Since it makes sense to try to ensure this item is on the screen, we thus do so here.
// We don't want to do this every time, because we could be simply clicking on the
// scroll bars, in which case we DON'T want to do this check, since it would be
// fighting against the user, which is a big UI design no-no.
// To do this check, we search on either side of our scroll range (we can only
// search past after we draw, unfortunately). If there's a selected item out
// of our range, then we best move the scrollPos to move it into view
for( j = 0; j < fScrollPos; j++ )
{
int end = ( j < fWrapStartIdxs.GetCount() - 1 ) ? fWrapStartIdxs[ j + 1 ] : fElements.GetCount();
hsBool anySelected = false;
for( i = fWrapStartIdxs[ j ]; i < end; i++ )
anySelected |= fElements[ i ]->IsSelected();
if( anySelected )
{
// Shit. Move the scrollPos up to this item at the very least
fScrollPos = j;
fScrollControl->SetCurrValue( (hsScalar)( (int)fScrollControl->GetMax() - fScrollPos ) );
fCheckScroll = false;
break;
}
}
}
}
else
fScrollPos = 0;
fElementBounds.SetCountAndZero( fElements.GetCount() );
if( !HasFlag( kScrollLeftToRight ) )
{
for( j = fScrollPos, y = 4; j < fWrapStartIdxs.GetCount() && y < fDynTextMap->GetVisibleHeight() - 8; j++ )
{
int end = ( j < fWrapStartIdxs.GetCount() - 1 ) ? fWrapStartIdxs[ j + 1 ] : fElements.GetCount();
for( maxHeight = 0, i = fWrapStartIdxs[ j ], x = 0; i < end; i++ )
{
if( HasFlag( kGrowLeavesAndProcessOxygen ) && fElements[ i ]->IsCollapsed() )
continue; // Skip collapsed items
fElements[ i ]->GetSize( fDynTextMap, &width, &height );
if( !HasFlag( kAllowMultipleElementsPerRow ) )
width = fDynTextMap->GetVisibleWidth();
if( y + height >= fDynTextMap->GetVisibleHeight() - 8 )
height = fDynTextMap->GetVisibleHeight() - 8 - y;
if( HasFlag( kGrowLeavesAndProcessOxygen ) )
{
x += fElements[ i ]->GetIndentLevel() * kIndentAmount;
if( x + width > fDynTextMap->GetVisibleWidth() )
width = fDynTextMap->GetVisibleWidth() - x;
}
if( !fElements[ i ]->Draw( fDynTextMap, x, y, width, height ) )
{
// Couldn't draw, so force it to be at the end of the scroll range
y = fDynTextMap->GetVisibleHeight() - 8;
j--;
break;
}
maxHeight = ( height > maxHeight ) ? height : maxHeight;
fElementBounds[ i ].Set( x, y, x + width - 1, y + height - 1 );
x += width;
}
y += maxHeight;
}
}
else
{
for( j = fScrollPos, x = 4; j < fWrapStartIdxs.GetCount() && x < fDynTextMap->GetVisibleWidth() - 8; j++ )
{
int end = ( j < fWrapStartIdxs.GetCount() - 1 ) ? fWrapStartIdxs[ j + 1 ] : fElements.GetCount();
for( maxHeight = 0, i = fWrapStartIdxs[ j ], y = 0; i < end; i++ )
{
fElements[ i ]->GetSize( fDynTextMap, &width, &height );
if( !HasFlag( kAllowMultipleElementsPerRow ) )
height = fDynTextMap->GetVisibleHeight();
if( x + width >= fDynTextMap->GetVisibleWidth() - 8 )
width = fDynTextMap->GetVisibleWidth() - 8 - x;
if( !fElements[ i ]->Draw( fDynTextMap, x, y, width, height ) )
{
// Couldn't draw, so force it to be at the end of the scroll range
x = fDynTextMap->GetVisibleWidth() - 8;
j--;
break;
}
maxHeight = ( width > maxHeight ) ? width : maxHeight;
fElementBounds[ i ].Set( x, y, x + width - 1, y + height - 1 );
y += height;
}
x += maxHeight;
}
}
// Second part of our scroll check--if we got here, then there was nothing selected
// before the viewing area. So check the rest
if( fCheckScroll && fScrollControl != nil )
{
fCheckScroll = false;
for( ; j < fWrapStartIdxs.GetCount(); j++ )
{
int end = ( j < fWrapStartIdxs.GetCount() - 1 ) ? fWrapStartIdxs[ j + 1 ] : fElements.GetCount();
hsBool anySelected = false;
for( i = fWrapStartIdxs[ j ]; i < end; i++ )
anySelected |= fElements[ i ]->IsSelected();
if( anySelected )
{
fScrollPos = j;
fScrollControl->SetCurrValue( (hsScalar)( (int)fScrollControl->GetMax() - fScrollPos ) );
IUpdate(); // Gotta update again, since we just changed the scrollPos after the fact
return;
}
}
}
fDynTextMap->FlushToHost();
}
//// ICalcWrapStarts /////////////////////////////////////////////////////////
// Calculates the starting indexes for each row of items. Call whenever you
// update the element list.
void pfGUIListBoxMod::ICalcWrapStarts( void )
{
UInt16 i, x, y, maxHeight, width, height;
fWrapStartIdxs.Reset();
if( HasFlag( kAllowMultipleElementsPerRow ) )
{
if( !HasFlag( kScrollLeftToRight ) )
{
for( i = 0, x = (UInt16)-1, y = 4, maxHeight = 0; i < fElements.GetCount(); i++ )
{
fElements[ i ]->GetSize( fDynTextMap, &width, &height );
if( x + width >= fDynTextMap->GetVisibleWidth() )
{
x = 0;
y += maxHeight;
maxHeight = 0;
fWrapStartIdxs.Append( i );
}
x += width;
maxHeight = ( height > maxHeight ) ? height : maxHeight;
}
}
else
{
for( i = 0, y = (UInt16)-1, x = 4, maxHeight = 0; i < fElements.GetCount(); i++ )
{
fElements[ i ]->GetSize( fDynTextMap, &width, &height );
if( y + height >= fDynTextMap->GetVisibleHeight() )
{
y = 0;
x += maxHeight;
maxHeight = 0;
fWrapStartIdxs.Append( i );
}
y += height;
maxHeight = ( width > maxHeight ) ? width : maxHeight;
}
}
}
else
{
for( i = 0; i < fElements.GetCount(); i++ )
{
if( HasFlag( kGrowLeavesAndProcessOxygen ) && fElements[ i ]->IsCollapsed() )
continue;
fWrapStartIdxs.Append( i );
}
}
}
//// ICalcScrollRange ////////////////////////////////////////////////////////
// Call whenever you update the element list
void pfGUIListBoxMod::ICalcScrollRange( void )
{
UInt16 ctrlHt, ctrlWd, height, width, maxHeight;
int i, j, end;
if( !fReadyToRoll )
{
fScrollRangeUpdateDeferred = true;
return;
}
// Basically, the scroll range is 0 to (numElements-1), but since if we scroll
// that far, we won't see anything left except the last element, we have to calculate
// how many elements away from the end we can get before we see blank space. Which means
// counting up from the end until we have passed the height of our control.
end = fElements.GetCount();
if( !HasFlag( kScrollLeftToRight ) )
{
if( HasFlag( kGrowLeavesAndProcessOxygen ) )
{
// OK, that really isn't the end, the end will the count of non-collapsed elements. Haha.
for( i = 0, end = 0; i < fElements.GetCount(); i++ )
{
if( !fElements[ i ]->IsCollapsed() )
end++;
}
}
for( i = fWrapStartIdxs.GetCount() - 1, height = 0; i >= 0; i-- )
{
// Get the max height of this row
maxHeight = 0;
for( j = fWrapStartIdxs[ i ]; j < end; j++ )
{
fElements[ j ]->GetSize( fDynTextMap, &width, &ctrlHt );
maxHeight = ( ctrlHt > maxHeight ) ? ctrlHt : maxHeight;
}
end = fWrapStartIdxs[ i ];
height += maxHeight;
if( height > fDynTextMap->GetVisibleHeight() - 8 )
break;
}
}
else
{
for( i = fWrapStartIdxs.GetCount() - 1, width = 0; i >= 0; i-- )
{
// Get the max width of this column
maxHeight = 0;
for( j = fWrapStartIdxs[ i ]; j < end; j++ )
{
fElements[ j ]->GetSize( fDynTextMap, &ctrlWd, &ctrlHt );
maxHeight = ( ctrlWd > maxHeight ) ? ctrlWd : maxHeight;
}
end = fWrapStartIdxs[ i ];
width += maxHeight;
if( width > fDynTextMap->GetVisibleWidth() - 8 )
break;
}
}
// Note: i went one past, so our scroll range is really 0 to i+1
if( fScrollControl )
{
// Because we reverse the position on draw, we have to do some special trick here
// to make sure the reversed position stays the same
fScrollPos = (int)fScrollControl->GetMax() - (int)fScrollControl->GetCurrValue();
if( fScrollPos >= fWrapStartIdxs.GetCount() )
fScrollPos = fWrapStartIdxs.GetCount() - 1;
if( i < 0 )
// Smaller than the viewing area, so we don't scroll at all
fScrollControl->SetRange( 0.f, 0.f );
else
fScrollControl->SetRange( 0.f, (hsScalar)( i + 1 ) );
fScrollControl->SetCurrValue( (hsScalar)( (int)fScrollControl->GetMax() - fScrollPos ) );
}
}
void pfGUIListBoxMod::PurgeDynaTextMapImage()
{
if ( fDynTextMap != nil )
fDynTextMap->PurgeImage();
}
//// Read/Write //////////////////////////////////////////////////////////////
void pfGUIListBoxMod::Read( hsStream *s, hsResMgr *mgr )
{
pfGUIControlMod::Read(s, mgr);
fScrollControl = nil;
if( s->ReadBool() )
{
fScrollProc = TRACKED_NEW pfScrollProc( this );
fScrollProc->IncRef();
mgr->ReadKeyNotifyMe( s, TRACKED_NEW plGenRefMsg( GetKey(), plRefMsg::kOnCreate, -1, kRefScrollCtrl ), plRefFlags::kActiveRef );
}
if( HasFlag( kDisableSelection ) )
ClearFlag( kWantsInterest );
}
void pfGUIListBoxMod::Write( hsStream *s, hsResMgr *mgr )
{
pfGUIControlMod::Write( s, mgr );
if( fScrollControl != nil )
{
s->WriteBool( true );
mgr->WriteKey( s, fScrollControl->GetKey() );
}
else
s->WriteBool( false );
}
//// FilterMousePosition /////////////////////////////////////////////////////
// Tests the mouse point and decides whether we still want to accept input
// based on the position. This allows us to act etheral (i.e. pass mouse
// messages through) when the mouse is over an empty portion of the list.
hsBool pfGUIListBoxMod::FilterMousePosition( hsPoint3 &mousePt )
{
if( !HasFlag( kAllowMousePassThrough ) )
return true;
Int32 hover = fCurrClick = IGetItemFromPoint( mousePt );
if( hover == -1 )
return false;
return true;
}
//// HandleMouseDown /////////////////////////////////////////////////////////
// What we do: normal click deselects all and selects the item clicked on
// (if any). Shift-click and ctrl-click avoids the deselect and toggles
// the item clicked on.
void pfGUIListBoxMod::HandleMouseDown( hsPoint3 &mousePt, UInt8 modifiers )
{
Int32 i;
int lastSelection = -1;
if (HasFlag(kForbidNoSelection))
{
// grab the last item we had selected just in case they clicked outside the list of selectable objects
for (i=0; i<fElements.GetCount(); i++)
if (fElements[i]->IsSelected())
{
lastSelection = i;
break;
}
}
if( HasFlag(kSingleSelect) || ( !( modifiers & ( pfGameGUIMgr::kShiftDown | pfGameGUIMgr::kCtrlDown ) ) && !HasFlag( kHandsOffMultiSelect ) ) )
{
// Deselect everyone!
for( i = 0; i < fElements.GetCount(); i++ )
fElements[ i ]->SetSelected( false );
fSingleSelElement = -1;
}
else if( modifiers & pfGameGUIMgr::kShiftDown )
{
IFindSelectionRange( &fMinSel, &fMaxSel );
}
fCurrHover = fCurrClick = IGetItemFromPoint( mousePt );
if( fCurrClick != -1 )
{
if( ( ( modifiers & pfGameGUIMgr::kShiftDown ) && !HasFlag( kSingleSelect ) ) )
{
// Select our new range, deselect everything outside
if( fCurrClick <= fMaxSel )
{
ISelectRange( 0, (Int8)(fCurrClick - 1), false );
ISelectRange( (Int8)fCurrClick, (Int8)fMaxSel, true );
ISelectRange( (Int8)(fMaxSel + 1), -1, false );
}
else if( fCurrClick >= fMinSel )
{
ISelectRange( 0, (Int8)(fMinSel - 1), false );
ISelectRange( (Int8)fMinSel, (Int8)fCurrClick, true );
ISelectRange( (Int8)(fCurrClick + 1), -1, false );
}
fElements[ fCurrClick ]->SetSelected( true );
}
else
{
fElements[ fCurrClick ]->SetSelected( true );
fSingleSelElement = fCurrClick;
}
}
else
{
if (HasFlag(kForbidNoSelection) && (lastSelection != -1))
{
fElements[ lastSelection ]->SetSelected(true);
fSingleSelElement = lastSelection;
}
}
// We want drag/up events to be processed with the modifiers we had on
// mouse down, not the current ones. So store 'em for reference
fModsAtDragTime = modifiers;
fClicking = true;
IUpdate();
}
//// HandleMouseUp ///////////////////////////////////////////////////////////
void pfGUIListBoxMod::HandleMouseUp( hsPoint3 &mousePt, UInt8 modifiers )
{
fClicking = false;
if( !( fModsAtDragTime & ( pfGameGUIMgr::kShiftDown | pfGameGUIMgr::kCtrlDown ) ) && !HasFlag( kHandsOffMultiSelect ) )
{
// No modifiers--simply select whatever item we're on
Int32 item = IGetItemFromPoint( mousePt );
if( item != fCurrClick )
{
if( fCurrClick >= 0 && fCurrClick < fElements.GetCount() )
fElements[ fCurrClick ]->SetSelected( false );
fCurrHover = fCurrClick = item;
if( fCurrClick >= 0 && fCurrClick < fElements.GetCount() )
fElements[ fCurrClick ]->SetSelected( true );
else if (HasFlag(kForbidNoSelection) && fCurrClick == -1)
{
fElements[fSingleSelElement]->SetSelected(true);
fCurrClick = fSingleSelElement;
}
fCheckScroll = true;
fSingleSelElement = fCurrClick;
IUpdate();
}
else
{
// We didn't change selection, so go ahead and pass the click on to
// the item, in case it wants to do something
if( fCurrClick >= 0 && fCurrClick < fElements.GetCount() )
{
hsPoint3 localPt = mousePt;
IScreenToLocalPt( localPt );
UInt16 lX = (UInt16)(( localPt.fX * ( fDynTextMap->GetVisibleWidth() - 1 ) ) - fElementBounds[ fCurrClick ].fLeft);
UInt16 lY = (UInt16)(( localPt.fY * ( fDynTextMap->GetVisibleHeight() - 1 ) )- fElementBounds[ fCurrClick ].fTop);
if( fElements[ fCurrClick ]->MouseClicked( lX, lY ) )
{
ICalcWrapStarts();
ICalcScrollRange();
IUpdate();
}
}
}
}
DoSomething(); // Change in selection triggers our DoSomething() call
}
//// HandleMouseHover ////////////////////////////////////////////////////////
// Just updates our currHover item so we can update the mouse appropriately
void pfGUIListBoxMod::HandleMouseHover( hsPoint3 &mousePt, UInt8 modifiers )
{
fCurrHover = IGetItemFromPoint( mousePt );
}
//// HandleMouseDrag /////////////////////////////////////////////////////////
void pfGUIListBoxMod::HandleMouseDrag( hsPoint3 &mousePt, UInt8 modifiers )
{
int i;
if( ( fModsAtDragTime & pfGameGUIMgr::kShiftDown && !HasFlag( kSingleSelect ) ) )
{
// Select our new range, deselect everything outside
if( fCurrClick <= fMaxSel )
{
ISelectRange( 0, (Int8)(fCurrClick - 1), false );
ISelectRange( (Int8)fCurrClick, (Int8)fMaxSel, true );
ISelectRange( (Int8)(fMaxSel + 1), -1, false );
}
else if( fCurrClick >= fMinSel )
{
ISelectRange( 0, (Int8)(fMinSel - 1), false );
ISelectRange( (Int8)fMinSel, (Int8)fCurrClick, true );
ISelectRange( (Int8)(fCurrClick + 1), -1, false );
}
IUpdate();
}
else if( !( fModsAtDragTime & ( pfGameGUIMgr::kShiftDown | pfGameGUIMgr::kCtrlDown ) ) )
{
// No modifiers--simply select whatever item we're on
if( HasFlag( kDragAndDropCapable ) )
{
// If we're drag and drop capable, then a mouse drag function results in
// the dialog entering Drag Mode(tm). Basically, we tell our parent dialog
// which items to drag and it'll run with the rest
fDialog->ClearDragList();
for( i = 0; i < fElements.GetCount(); i++ )
{
if( fElements[ i ]->IsSelected() )
fDialog->AddToDragList( fElements[ i ] );
}
fDialog->EnterDragMode( this );
}
else
{
Int32 item = IGetItemFromPoint( mousePt );
if( item != fCurrClick )
{
if( fCurrClick >= 0 && fCurrClick < fElements.GetCount() )
fElements[ fCurrClick ]->SetSelected( false );
fCurrHover = fCurrClick = item;
if( fCurrClick >= 0 && fCurrClick < fElements.GetCount() )
fElements[ fCurrClick ]->SetSelected( true );
fCheckScroll = true;
fSingleSelElement = fCurrClick;
IUpdate();
}
}
}
}
//// HandleMouseDblClick /////////////////////////////////////////////////////
void pfGUIListBoxMod::HandleMouseDblClick( hsPoint3 &mousePt, UInt8 modifiers )
{
if( !HasFlag( kGrowLeavesAndProcessOxygen ) )
return; // We only care about double clicks if we make oxygen
Int32 item = IGetItemFromPoint( mousePt );
if( item != -1 )
{
if( fElements[ item ]->GetType() == pfGUIListElement::kTreeRoot )
{
pfGUIListTreeRoot *root = (pfGUIListTreeRoot *)fElements[ item ];
root->ShowChildren( !root->IsShowingChildren() );
if( !fLocked )
{
ICalcWrapStarts();
ICalcScrollRange();
IUpdate();
}
}
}
}
//// IGetItemFromPoint ///////////////////////////////////////////////////////
Int32 pfGUIListBoxMod::IGetItemFromPoint( hsPoint3 &mousePt )
{
if( !fBounds.IsInside( &mousePt ) )
return -1;
hsPoint3 localPt = mousePt; // despite getting a ref to the point (why?) we do NOT want to modify it
IScreenToLocalPt( localPt );
UInt32 i;
Int16 clickItem = -1 , clickY = (Int16)( localPt.fY * ( fDynTextMap->GetVisibleHeight() - 1 ) );
Int16 clickX = (Int16)( localPt.fX * ( fDynTextMap->GetVisibleWidth() - 1 ) );
// We have a nice array that has the starting (top) Y's of each visible element. So we just
// check against that.
UInt32 startAt = 0;
// make sure that we have a valid fScrollPos
if ( fScrollPos != -1 )
{
// make sure that there is an Idx at fScrollPos
if ( fWrapStartIdxs.GetCount() > fScrollPos )
{
startAt = fWrapStartIdxs[ fScrollPos ];
clickItem = -1;
}
}
for( i = startAt; i < fElements.GetCount(); i++ )
{
if( i<fElementBounds.GetCount() && fElementBounds[ i ].Contains( clickX, clickY ) )
{
clickItem = (Int16)i;
break;
}
}
if( clickItem > fElements.GetCount() - 1 )
clickItem = -1;
return clickItem;
}
//// IFindSelectionRange /////////////////////////////////////////////////////
// Find the min and max item that's selected. Returns -1 for both if nobody
// is selected
void pfGUIListBoxMod::IFindSelectionRange( Int32 *min, Int32 *max )
{
Int32 i;
*min = *max = -1;
for( i = 0; i < fElements.GetCount(); i++ )
{
if( fElements[ i ]->IsSelected() )
{
*min = i;
break;
}
}
for( i = fElements.GetCount() - 1; i >= 0; i-- )
{
if( fElements[ i ]->IsSelected() )
{
*max = i;
break;
}
}
}
//// ISelectRange ////////////////////////////////////////////////////////////
void pfGUIListBoxMod::ISelectRange( Int8 min, Int8 max, hsBool select )
{
Int16 i;
if( max == -1 )
max = fElements.GetCount() - 1;
for( i = min; i <= max; i++ )
fElements[ i ]->SetSelected( select );
}
//// SetSelection ////////////////////////////////////////////////////////////
void pfGUIListBoxMod::SetSelection( Int32 item )
{
if( HasFlag( kSingleSelect ) )
{
// Easy, only one item selected
if( fSingleSelElement != -1 )
fElements[ fSingleSelElement ]->SetSelected( false );
fSingleSelElement = item;
}
else
ISelectRange( 0, -1, false );
if( item != -1 && item < fElements.GetCount() )
fElements[ item ]->SetSelected( true );
fCheckScroll = true;
IUpdate();
}
void pfGUIListBoxMod::RemoveSelection( Int32 item )
{
// make sure the item is valid
if ( item != -1 && item < fElements.GetCount() )
{
// if single select and its what is selected
if ( HasFlag( kSingleSelect) && fSingleSelElement == item )
{
// then remove the selection and make nothing selected
fElements[ fSingleSelElement ]->SetSelected( false );
fSingleSelElement = item;
}
// else if multiple selection
else
// just remove the selection
fElements[ item ]->SetSelected( false );
}
fCheckScroll = true;
IUpdate();
}
void pfGUIListBoxMod::AddSelection( Int32 item )
{
// make sure the item is valid (can't add a non-selection!)
if ( item != -1 && item < fElements.GetCount() )
{
// if single select then just like SetSelection
if ( HasFlag( kSingleSelect) )
{
SetSelection(item);
}
// else if multiple selection
else
// just set its selection
fElements[ item ]->SetSelected( true );
}
fCheckScroll = true;
IUpdate();
}
//// HandleKeyPress //////////////////////////////////////////////////////////
hsBool pfGUIListBoxMod::HandleKeyPress( wchar_t key, UInt8 modifiers )
{
return false;
}
hsBool pfGUIListBoxMod::HandleKeyEvent( pfGameGUIMgr::EventType event, plKeyDef key, UInt8 modifiers )
{
if( key == KEY_CAPSLOCK )
return false;
if( HasFlag( kDisableKeyActions ) )
return false;
if( event == pfGameGUIMgr::kKeyDown || event == pfGameGUIMgr::kKeyRepeat )
{
// Use arrow keys to do our dirty work
if( key == KEY_UP )
{
if( fCurrClick == -1 && fElements.GetCount() > 0 )
fCurrClick = 0;
else while( fCurrClick > 0 )
{
fCurrClick--;
if( !HasFlag( kGrowLeavesAndProcessOxygen ) || !fElements[ fCurrClick ]->IsCollapsed() )
break;
}
}
else if( key == KEY_DOWN )
{
if( fCurrClick == -1 && fElements.GetCount() > 0 )
fCurrClick = fElements.GetCount() - 1;
else while( fCurrClick < fElements.GetCount() - 1 )
{
fCurrClick++;
if( !HasFlag( kGrowLeavesAndProcessOxygen ) || !fElements[ fCurrClick ]->IsCollapsed() )
break;
}
}
else if( key == KEY_HOME )
{
if( fElements.GetCount() > 0 )
fCurrClick = 0;
}
else if( key == KEY_END )
{
if( fElements.GetCount() > 0 )
fCurrClick = fElements.GetCount() - 1;
}
else if( key == KEY_ENTER && HasFlag( kGrowLeavesAndProcessOxygen ) )
{
if( fCurrClick != -1 && fElements[ fCurrClick ]->GetType() == pfGUIListElement::kTreeRoot )
{
pfGUIListTreeRoot *root = (pfGUIListTreeRoot *)fElements[ fCurrClick ];
root->ShowChildren( !root->IsShowingChildren() );
if( !fLocked )
{
ICalcWrapStarts();
ICalcScrollRange();
}
}
}
else
{
return false;
}
ISelectRange( 0, -1, false );
if( fCurrClick != -1 )
fElements[ fCurrClick ]->SetSelected( true );
fSingleSelElement = fCurrClick;
DoSomething(); // Change in selection triggers our DoSomething() call
fCheckScroll = true;
IUpdate();
return true;
}
return false;
}
//// ScrollToEnd /////////////////////////////////////////////////////////////
void pfGUIListBoxMod::ScrollToEnd( void )
{
if( fScrollControl != nil )
{
fScrollPos = (int)fScrollControl->GetMin();
fScrollControl->SetCurrValue( fScrollControl->GetMax() );
}
IUpdate();
}
//// ScrollToBegin ///////////////////////////////////////////////////////////
void pfGUIListBoxMod::ScrollToBegin( void )
{
if( fScrollControl != nil )
{
fScrollPos = (int)fScrollControl->GetMax();
fScrollControl->SetCurrValue( fScrollControl->GetMin() );
}
IUpdate();
}
void pfGUIListBoxMod::SetColorScheme( pfGUIColorScheme *newScheme )
{
UInt16 i;
pfGUIControlMod::SetColorScheme( newScheme );
for( i = 0; i < fElements.GetCount(); i++ )
{
fElements[ i ]->SetColorScheme( newScheme );
fElements[ i ]->SetSkin( fSkin );
}
}
void pfGUIListBoxMod::SetScrollPos( Int32 pos )
{
if ( pos >= (int)fScrollControl->GetMin() && pos <= (int)fScrollControl->GetMax() )
{
fScrollControl->SetCurrValue( (hsScalar)pos );
fScrollPos = (int)fScrollControl->GetMax() - pos;
}
IUpdate();
}
Int32 pfGUIListBoxMod::GetScrollPos( void )
{
return (int)fScrollControl->GetCurrValue();
}
Int32 pfGUIListBoxMod::GetScrollRange( void )
{
return (int)fScrollControl->GetMax() - (int)fScrollControl->GetMin();
}
//////////////////////////////////////////////////////////////////////////////
//// Element Manipulation ////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
UInt16 pfGUIListBoxMod::AddElement( pfGUIListElement *el )
{
UInt16 idx = fElements.GetCount();
fElements.Append( el );
el->SetColorScheme( GetColorScheme() );
el->SetSkin( fSkin );
if( !fLocked )
{
ICalcWrapStarts();
ICalcScrollRange();
IUpdate();
HandleExtendedEvent( pfGUIListBoxMod::kItemAdded );
}
return idx;
}
void pfGUIListBoxMod::RemoveElement( UInt16 index )
{
// Make sure no other elements care about this one
UInt16 i, j;
for( i = 0; i < fElements.GetCount(); i++ )
{
if( fElements[ i ]->GetType() == pfGUIListElement::kTreeRoot )
{
pfGUIListTreeRoot *root = (pfGUIListTreeRoot *)fElements[ i ];
for( j = 0; j < root->GetNumChildren(); )
{
if( root->GetChild( j ) == fElements[ index ] )
root->RemoveChild( j );
else
j++;
}
}
}
delete fElements[ index ];
fElements.Remove( index );
if( index == fSingleSelElement )
fSingleSelElement = -1;
else if( index < fSingleSelElement )
fSingleSelElement--;
fCurrHover = fCurrClick = -1;
if( !fLocked )
{
ICalcWrapStarts();
ICalcScrollRange();
IUpdate();
HandleExtendedEvent( pfGUIListBoxMod::kItemRemoved );
}
}
Int16 pfGUIListBoxMod::FindElement( pfGUIListElement *toCompareTo )
{
int i;
for( i = 0; i < fElements.GetCount(); i++ )
{
if( fElements[ i ]->CompareTo( toCompareTo ) == 0 )
return i;
}
return (Int16)-1;
}
void pfGUIListBoxMod::ClearAllElements( void )
{
int i;
for( i = 0; i < fElements.GetCount(); i++ )
delete fElements[ i ];
fElements.Reset();
fSingleSelElement = -1;
if( !fLocked )
{
ICalcWrapStarts();
ICalcScrollRange();
IUpdate();
}
HandleExtendedEvent( pfGUIListBoxMod::kListCleared );
}
UInt16 pfGUIListBoxMod::AddString( const char *string )
{
return AddElement( TRACKED_NEW pfGUIListText( string ) );
}
UInt16 pfGUIListBoxMod::AddString( const wchar_t *string )
{
return AddElement( TRACKED_NEW pfGUIListText( string ) );
}
Int16 pfGUIListBoxMod::FindString( const char *toCompareTo )
{
pfGUIListText text( toCompareTo );
return FindElement( &text );
}
Int16 pfGUIListBoxMod::FindString( const wchar_t *toCompareTo )
{
pfGUIListText text( toCompareTo );
return FindElement( &text );
}
UInt16 pfGUIListBoxMod::GetNumElements( void )
{
return fElements.GetCount();
}
pfGUIListElement *pfGUIListBoxMod::GetElement( UInt16 idx )
{
return fElements[ idx ];
}
void pfGUIListBoxMod::LockList( void )
{
fLocked = true;
}
void pfGUIListBoxMod::UnlockList( void )
{
fLocked = false;
ICalcWrapStarts();
ICalcScrollRange();
IUpdate();
}
//// IGetDesiredCursor ///////////////////////////////////////////////////////
UInt32 pfGUIListBoxMod::IGetDesiredCursor( void ) const
{
if( fCurrHover == -1 )
return plInputInterface::kNullCursor;
if( fClicking )
return plInputInterface::kCursorClicked;
return plInputInterface::kCursorPoised;
}