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CWE-ou-minkata/MOULOpenSourceClientPlugin/Plasma20/Sources/Tools/MaxComponent/pfGUISkinComp.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==*/
#include "HeadSpin.h"
#include "max.h"
#include "resource.h"
#include "hsTemplates.h"
#include "pfGUISkinComp.h"
#include "plGUICompClassIDs.h"
#include "../MaxMain/plMaxNodeBase.h"
pfGUISkinEditProc *pfGUISkinEditProc::fInstance = nil;
int pfGUISkinEditProc::fZoom = 3; // So re-opening the dialog will keep the same zoom level
extern HINSTANCE hInstance;
pfGUISkinEditProc::pfGUISkinEditProc( plGUISkinComp *comp )
{
fInstance = this;
fComp = comp;
fDblDC = nil;
fDblBitmap = nil;
fXOffset = fYOffset = 0;
fCurrPBRefSet = plGUISkinComp::kRefUpLeftCorner;
fDefPen = CreatePen( PS_SOLID, 3, RGB( 200, 0, 0 ) );
fOtherPen = CreatePen( PS_DOT, 1, RGB( 200, 0, 0 ) );
fDragging = false;
fDragTimer = 0;
// Back up the old settings
IParamBlock2 *pb = fComp->GetParamBlockByID( plComponent::kBlkComp );
for( int i = 0; i < pfGUISkin::kNumElements; i++ )
{
int id = i * 4 + plGUISkinComp::kRefUpLeftCorner;
fBackups[ i ].fX = pb->GetInt( id + 0 );
fBackups[ i ].fY = pb->GetInt( id + 1 );
fBackups[ i ].fWidth = pb->GetInt( id + 2 );
fBackups[ i ].fHeight = pb->GetInt( id + 3 );
}
}
pfGUISkinEditProc::~pfGUISkinEditProc()
{
fInstance = nil;
DeleteObject( fDefPen );
IKillDblBuffer();
}
void pfGUISkinEditProc::IJustDrawOneRect( int whichElement, IParamBlock2 *pb, HDC hDC, HPEN whichPen, int refToIgnore )
{
whichElement = ( whichElement * 4 ) + plGUISkinComp::kRefUpLeftCorner;
if( whichElement == refToIgnore )
return;
RECT r;
SetRect( &r, pb->GetInt( whichElement + 0 ),
pb->GetInt( whichElement + 1 ),
pb->GetInt( whichElement + 0 ) + pb->GetInt( whichElement + 2 ),
pb->GetInt( whichElement + 1 ) + pb->GetInt( whichElement + 3 ) );
r.left *= fZoom; r.right *= fZoom; r.top *= fZoom; r.bottom *= fZoom;
SelectObject( hDC, whichPen );
int rop2 = SetROP2( hDC, R2_NOTXORPEN );
MoveToEx( hDC, r.left, r.top, nil );
LineTo( hDC, r.right, r.top );
LineTo( hDC, r.right, r.bottom );
LineTo( hDC, r.left, r.bottom );
LineTo( hDC, r.left, r.top );
SetROP2( hDC, rop2 );
}
void pfGUISkinEditProc::IRefreshDblBuffer( void )
{
// Image buffer is where we keep our resized image. Dbl buffer is where we draw our bounds
if( fDblDC == nil )
IInitDblBuffer();
else
{
// Copy the zoomed image as our backdrop
BitBlt( fDblDC, 0, 0, fDblWidth, fDblHeight, fImageDC, 0, 0, SRCCOPY );
RECT r;
IParamBlock2 *pb = fComp->GetParamBlockByID( plComponent::kBlkComp );
if( pb != nil )
{
// Draw all the other elements other than our current one
for( int i = 0; i < pfGUISkin::kNumElements; i++ )
IJustDrawOneRect( i, pb, fDblDC, fOtherPen, fCurrPBRefSet );
// Now draw the bounds of our current element
SetRect( &r, pb->GetInt( fCurrPBRefSet + 0 ),
pb->GetInt( fCurrPBRefSet + 1 ),
pb->GetInt( fCurrPBRefSet + 0 ) + pb->GetInt( fCurrPBRefSet + 2 ),
pb->GetInt( fCurrPBRefSet + 1 ) + pb->GetInt( fCurrPBRefSet + 3 ) );
// While we have it here, go ahead and update our status text for this element
char str[ 256 ];
sprintf( str, "Left: %d\nTop: %d\nWidth: %d\nHeight: %d\n", r.left, r.top, r.right - r.left, r.bottom - r.top );
SetDlgItemText( fHWnd, IDC_GUI_INFO, str );
r.left *= fZoom; r.right *= fZoom; r.top *= fZoom; r.bottom *= fZoom;
SelectObject( fDblDC, fDefPen );
int rop2 = SetROP2( fDblDC, R2_NOTXORPEN );
MoveToEx( fDblDC, r.left, r.top, nil );
LineTo( fDblDC, r.right, r.top );
LineTo( fDblDC, r.right, r.bottom );
LineTo( fDblDC, r.left, r.bottom );
LineTo( fDblDC, r.left, r.top );
SetROP2( fDblDC, rop2 );
fCurrElemRect = r;
MapWindowPoints( GetDlgItem( fHWnd, IDC_GUI_PREVIEW ), fHWnd, (POINT *)&fCurrElemRect, 2 );
OffsetRect( &fCurrElemRect, -fXOffset, -fYOffset );
}
}
}
void pfGUISkinEditProc::IRefreshImageBuffer( void )
{
IInitDblBuffer();
plLayerTex *layer = fComp->GetSkinBitmap();
PBBitmap *pbBMap = layer->GetPBBitmap();
if( pbBMap->bm == nil )
pbBMap->Load();
if( pbBMap->bm != nil )
{
// Copy into a new temp bitmap that is the right format for us to read
Bitmap *newBM;
BitmapInfo bi;
bi.SetName( _T("y879873b") );
bi.SetType( BMM_TRUE_32 );
bi.SetFlags( MAP_HAS_ALPHA );
bi.SetWidth( fDblWidth );
bi.SetHeight( fDblHeight );
newBM = TheManager->Create( &bi );
BMM_Color_64 foo = { 0, 0, 0, 0 };
newBM->CopyImage( pbBMap->bm, COPY_IMAGE_RESIZE_LO_QUALITY, foo, nil );
// Now copy from our newly created bitmap into our DC....way slow :(
BITMAPINFO *bitInfo = newBM->ToDib( 24, nil, false );
if( bitInfo != nil )
{
SetDIBitsToDevice( fImageDC, 0, 0, fDblWidth, fDblHeight,
0, 0, 0, fDblHeight,
( (UInt8 *)bitInfo ) + bitInfo->bmiHeader.biSize,
bitInfo,
DIB_RGB_COLORS );
}
newBM->DeleteThis();
}
IRefreshDblBuffer();
}
void pfGUISkinEditProc::IInitDblBuffer( void )
{
if( fDblDC == NULL )
{
int width, height;
HDC desk = GetDC( NULL );
plLayerTex *layer = fComp->GetSkinBitmap();
PBBitmap *pbBMap = layer->GetPBBitmap();
if( pbBMap == nil )
return;
width = pbBMap->bi.Width() * fZoom;
height = pbBMap->bi.Height() * fZoom;
// GetClientRect( fHWnd, &r );
// width = r.right - r.left;
// height = r.bottom - r.top;
// Note: For some strange reason, grabbing the HDC of the window doesn't do
// any good, 'cause it's black-and-white (right, THAT makes sense). Grabbing
// the desktop DC works, however.
fDblDC = CreateCompatibleDC( desk );
fDblBitmap = CreateCompatibleBitmap( desk/*fDblDC*/, width, height );
SelectObject( fDblDC, fDblBitmap );
fImageDC = CreateCompatibleDC( desk );
fImageBitmap = CreateCompatibleBitmap( desk/*fDblDC*/, width, height );
SelectObject( fImageDC, fImageBitmap );
ReleaseDC( NULL, desk );
fDblWidth = width;
fDblHeight = height;
ISetScrollRanges();
IRefreshImageBuffer();
}
}
void pfGUISkinEditProc::IKillDblBuffer( void )
{
if( fDblDC != NULL )
{
SelectObject( fDblDC, (HBITMAP)NULL );
DeleteObject( fDblBitmap );
DeleteDC( fDblDC );
}
if( fImageDC != NULL )
{
SelectObject( fImageDC, (HBITMAP)NULL );
DeleteObject( fImageBitmap );
DeleteDC( fImageDC );
}
fDblDC = fImageDC = nil;
fDblBitmap = fImageBitmap = nil;
}
void pfGUISkinEditProc::ISetScrollRanges( void )
{
SCROLLINFO info;
int visW = fPreviewRect.right - fPreviewRect.left;
int visH = fPreviewRect.bottom - fPreviewRect.top;
if( visW < fDblWidth )
{
if( fXOffset > fDblWidth - visW )
fXOffset = fDblWidth - visW;
else if( fXOffset < 0 )
fXOffset = 0;
info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
info.nMin = 0;
info.nMax = fDblWidth;// - visW;
info.nPage = visW;
info.nPos = fXOffset;
info.cbSize = sizeof( info );
SetScrollInfo( GetDlgItem( fHWnd, IDC_GUI_HORZSCROLL ), SB_CTL, &info, true );
ShowWindow( GetDlgItem( fHWnd, IDC_GUI_HORZSCROLL ), true );
}
else
{
ShowWindow( GetDlgItem( fHWnd, IDC_GUI_HORZSCROLL ), false );
fXOffset = 0;
}
if( visH < fDblHeight )
{
if( fYOffset > fDblHeight - visH )
fYOffset = fDblHeight - visH;
else if( fYOffset < 0 )
fYOffset = 0;
info.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
info.nMin = 0;
info.nMax = fDblHeight;// - visH;
info.nPage = visH;
info.nPos = fYOffset;
info.cbSize = sizeof( info );
SetScrollInfo( GetDlgItem( fHWnd, IDC_GUI_VERTSCROLL ), SB_CTL, &info, true );
ShowWindow( GetDlgItem( fHWnd, IDC_GUI_VERTSCROLL ), true );
}
else
{
ShowWindow( GetDlgItem( fHWnd, IDC_GUI_VERTSCROLL ), false );
fYOffset = 0;
}
}
bool pfGUISkinEditProc::IPointWithinRange( int x, int y, int ptX, int ptY )
{
if( x > ptX - kRangeSlop && x < ptX + kRangeSlop &&
y > ptY - kRangeSlop && y < ptY + kRangeSlop )
return true;
return false;
}
bool pfGUISkinEditProc::IPointWithinVertRange( int x, int y, int ptX, int ptY1, int ptY2 )
{
if( x > ptX - kRangeSlop && x < ptX + kRangeSlop &&
y > ptY1 - kRangeSlop && y < ptY2 + kRangeSlop )
return true;
return false;
}
bool pfGUISkinEditProc::IPointWithinHorzRange( int x, int y, int ptX1, int ptX2, int ptY )
{
if( x > ptX1 - kRangeSlop && x < ptX2 + kRangeSlop &&
y > ptY - kRangeSlop && y < ptY + kRangeSlop )
return true;
return false;
}
UInt8 pfGUISkinEditProc::IGetDragTypeFlags( int x, int y )
{
// Corners
if( IPointWithinRange( x, y, fCurrElemRect.left, fCurrElemRect.top ) )
return kLeft | kTop;
if( IPointWithinRange( x, y, fCurrElemRect.right, fCurrElemRect.top ) )
return kRight | kTop;
if( IPointWithinRange( x, y, fCurrElemRect.right, fCurrElemRect.bottom ) )
return kRight | kBottom;
if( IPointWithinRange( x, y, fCurrElemRect.left, fCurrElemRect.bottom ) )
return kLeft | kBottom;
// Edges
if( IPointWithinVertRange( x, y, fCurrElemRect.left, fCurrElemRect.top, fCurrElemRect.bottom ) )
return kLeft;
if( IPointWithinVertRange( x, y, fCurrElemRect.right, fCurrElemRect.top, fCurrElemRect.bottom ) )
return kRight;
if( IPointWithinHorzRange( x, y, fCurrElemRect.left, fCurrElemRect.right, fCurrElemRect.top ) )
return kTop;
if( IPointWithinHorzRange( x, y, fCurrElemRect.left, fCurrElemRect.right, fCurrElemRect.bottom ) )
return kBottom;
// The middle
if( x >= fCurrElemRect.left && x <= fCurrElemRect.right && y >= fCurrElemRect.top && y <= fCurrElemRect.bottom )
return kDragAll;
return 0;
}
INT_PTR CALLBACK pfGUISkinEditProc::DlgProc( HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam )
{
return fInstance->DialogProc( hDlg, msg, wParam, lParam );
}
INT_PTR CALLBACK pfGUISkinEditProc::DialogProc( HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam )
{
PAINTSTRUCT pInfo;
RECT r;
HDC hDC;
int maxDim, i, j, x, y;
bool timerActive = false;
static struct plElemPair
{
pfGUISkin::Elements el;
const char *name;
} sElemPairs[] = { { pfGUISkin::kUpLeftCorner, "Upper-left Corner" },
{ pfGUISkin::kTopSpan, "Top Span" },
{ pfGUISkin::kUpRightCorner, "Upper-right Corner" },
{ pfGUISkin::kRightSpan, "Right Span" },
{ pfGUISkin::kLowerRightCorner, "Lower-right Corner" },
{ pfGUISkin::kBottomSpan, "Bottom Span" },
{ pfGUISkin::kLowerLeftCorner, "Lower-left Corner" },
{ pfGUISkin::kLeftSpan, "Left Span" },
{ pfGUISkin::kMiddleFill, "Middle Fill" },
{ pfGUISkin::kSelectedFill, "Selected Middle Fill" },
{ pfGUISkin::kSubMenuArrow, "Sub-Menu Arrow" },
{ pfGUISkin::kSelectedSubMenuArrow, "Selected Sub-Menu Arrow" },
{ pfGUISkin::kTreeButtonClosed, "Tree-view Button, Closed" },
{ pfGUISkin::kTreeButtonOpen, "Tree-view Button, Open" },
{ pfGUISkin::kNumElements, nil } };
fHWnd = hDlg;
switch( msg )
{
case WM_INITDIALOG:
// Get preview rect
GetClientRect( GetDlgItem( hDlg, IDC_GUI_PREVIEW ), &fPreviewRect );
MapWindowPoints( GetDlgItem( hDlg, IDC_GUI_PREVIEW ), hDlg, (POINT *)&fPreviewRect, 2 );
SendDlgItemMessage( hDlg, IDC_GUI_ZIN, BM_SETIMAGE, (WPARAM)IMAGE_ICON,
(LPARAM)LoadImage( hInstance, MAKEINTRESOURCE( IDI_ZOOMIN ), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR ) );
SendDlgItemMessage( hDlg, IDC_GUI_ZOUT, BM_SETIMAGE, (WPARAM)IMAGE_ICON,
(LPARAM)LoadImage( hInstance, MAKEINTRESOURCE( IDI_ZOOMOUT ), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR ) );
// Fill element list
SendDlgItemMessage( hDlg, IDC_GUI_ELEMENTS, LB_RESETCONTENT, 0, 0 );
for( i = 0; sElemPairs[ i ].el != pfGUISkin::kNumElements; i++ )
{
int idx = SendDlgItemMessage( hDlg, IDC_GUI_ELEMENTS, LB_ADDSTRING, 0, (LPARAM)sElemPairs[ i ].name );
SendDlgItemMessage( hDlg, IDC_GUI_ELEMENTS, LB_SETITEMDATA, (WPARAM)idx, (LPARAM)sElemPairs[ i ].el );
if( sElemPairs[ i ].el == pfGUISkin::kUpLeftCorner )
j = idx;
}
SendDlgItemMessage( hDlg, IDC_GUI_ELEMENTS, LB_SETCURSEL, j, 0 );
fOrigCursor = LoadCursor( nil, IDC_ARROW );//GetCursor();
break;
case WM_COMMAND:
if( LOWORD( wParam ) == IDCANCEL )
{
// Since we've been editing the PB directly, we have to now restore them
// to their original values
IParamBlock2 *pb = fComp->GetParamBlockByID( plComponent::kBlkComp );
for( int i = 0; i < pfGUISkin::kNumElements; i++ )
{
int id = i * 4 + plGUISkinComp::kRefUpLeftCorner;
pb->SetValue( id + 0, 0, (int)fBackups[ i ].fX );
pb->SetValue( id + 1, 0, (int)fBackups[ i ].fY );
pb->SetValue( id + 2, 0, (int)fBackups[ i ].fWidth );
pb->SetValue( id + 3, 0, (int)fBackups[ i ].fHeight );
}
EndDialog( hDlg, 1 );
}
else if( LOWORD( wParam ) == IDOK )
EndDialog( hDlg, 0 );
else if( LOWORD( wParam ) == IDC_GUI_ZIN )
{
fXOffset /= fZoom; fYOffset /= fZoom;
fZoom++;
fXOffset *= fZoom; fYOffset *= fZoom;
IKillDblBuffer();
IRefreshImageBuffer();
InvalidateRect( hDlg, &fPreviewRect, false );
}
else if( LOWORD( wParam ) == IDC_GUI_ZOUT )
{
if( fZoom > 1 )
{
fXOffset /= fZoom; fYOffset /= fZoom;
fZoom--;
fXOffset *= fZoom; fYOffset *= fZoom;
IKillDblBuffer();
IRefreshImageBuffer();
InvalidateRect( hDlg, &fPreviewRect, false );
}
}
else if( LOWORD( wParam ) == IDC_GUI_ELEMENTS )
{
int idx = SendDlgItemMessage( hDlg, IDC_GUI_ELEMENTS, LB_GETCURSEL, 0, 0 );
fCurrPBRefSet = SendDlgItemMessage( hDlg, IDC_GUI_ELEMENTS, LB_GETITEMDATA, (WPARAM)idx, 0 ) * 4 + plGUISkinComp::kRefUpLeftCorner;
IRefreshDblBuffer();
InvalidateRect( hDlg, &fPreviewRect, false );
}
return true;
case WM_CLOSE:
EndDialog( hDlg, 0 );
return true;
case WM_HSCROLL:
OffsetRect( &fCurrElemRect, fXOffset, fYOffset );
switch( LOWORD( wParam ) )
{
case SB_PAGEUP: fXOffset -= 300; break;
case SB_PAGEDOWN: fXOffset += 300; break;
case SB_LINEUP: fXOffset -= 16; break;
case SB_LINEDOWN: fXOffset += 16; break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
fXOffset = HIWORD( wParam );
break;
}
maxDim = fDblWidth - ( fPreviewRect.right - fPreviewRect.left );
if( fXOffset < 0 )
fXOffset = 0;
else if( fXOffset > maxDim )
fXOffset = maxDim;
SetScrollPos( GetDlgItem( hDlg, IDC_GUI_HORZSCROLL ), SB_CTL, fXOffset, true );
OffsetRect( &fCurrElemRect, -fXOffset, -fYOffset );
InvalidateRect( hDlg, &fPreviewRect, false );
break;
case WM_VSCROLL:
OffsetRect( &fCurrElemRect, fXOffset, fYOffset );
switch( LOWORD( wParam ) )
{
case SB_PAGEUP: fYOffset -= 300; break;
case SB_PAGEDOWN: fYOffset += 300; break;
case SB_LINEUP: fYOffset -= 16; break;
case SB_LINEDOWN: fYOffset += 16; break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
fYOffset = HIWORD( wParam );
break;
}
maxDim = fDblHeight - ( fPreviewRect.bottom - fPreviewRect.top );
if( fYOffset < 0 )
fYOffset = 0;
else if( fYOffset > maxDim )
fYOffset = maxDim;
SetScrollPos( GetDlgItem( hDlg, IDC_GUI_VERTSCROLL ), SB_CTL, fYOffset, true );
OffsetRect( &fCurrElemRect, -fXOffset, -fYOffset );
InvalidateRect( hDlg, &fPreviewRect, false );
break;
case WM_PAINT:
{
BeginPaint( hDlg, &pInfo );
hDC = (HDC)pInfo.hdc;
if( fDblDC == NULL )
IInitDblBuffer();
int width = fDblWidth;
int height = fDblHeight;
if( width > fPreviewRect.right - fPreviewRect.left )
width = fPreviewRect.right - fPreviewRect.left;
if( height > fPreviewRect.bottom - fPreviewRect.top )
height = fPreviewRect.bottom - fPreviewRect.top;
BitBlt( hDC, fPreviewRect.left, fPreviewRect.top, width, height, fDblDC, fXOffset, fYOffset, SRCCOPY );
r = fPreviewRect;
r.left += width;
FillRect( hDC, &r, ColorMan()->GetBrush( kBackground ) );
r = fPreviewRect;
r.top += height;
FillRect( hDC, &r, ColorMan()->GetBrush( kBackground ) );
EndPaint( hDlg, &pInfo );
}
break;
case WM_LBUTTONDOWN:
SetCapture( hDlg );
fDragging = true;
fDragType = IGetDragTypeFlags( GET_X_LPARAM( lParam ), GET_Y_LPARAM( lParam ) );
if( fDragType == kDragAll )
{
fDragOffsetX = fCurrElemRect.left - GET_X_LPARAM( lParam );
fDragOffsetY = fCurrElemRect.top - GET_Y_LPARAM( lParam );
}
else if( fDragType == 0 )
{
fDragOffsetX = GET_X_LPARAM( lParam ) + fXOffset;
fDragOffsetY = GET_Y_LPARAM( lParam ) + fYOffset;
}
else
fDragOffsetX = fDragOffsetY = 0;
break;
case WM_LBUTTONUP:
ReleaseCapture();
fDragging = false;
break;
case WM_TIMER:
// We do the same processing as MOUSEMOVE, but we need to make sure we have the right
// mouse position first
{
POINT pt;
GetCursorPos( &pt );
MapWindowPoints( nil, hDlg, &pt, 1 );
lParam = MAKELPARAM( pt.x, pt.y );
}
// Fall thru...
case WM_MOUSEMOVE:
x = GET_X_LPARAM( lParam );
y = GET_Y_LPARAM( lParam );
if( fDragging )
{
if( fDragType == 0 )
{
fXOffset = fDragOffsetX - x;
fYOffset = fDragOffsetY - y;
ISetScrollRanges(); // Will clamp offset \for us
}
else
{
// Translate x and y into bitmap space
POINT pt;
pt.x = x;
pt.y = y;
if( PtInRect( &fPreviewRect, pt ) )
{
MapWindowPoints( hDlg, GetDlgItem( hDlg, IDC_GUI_PREVIEW ), &pt, 1 );
pt.x += fDragOffsetX;
pt.y += fDragOffsetY;
// Note the + 1/2 zoom so it's the closest pixel by center, not by area
x = ( pt.x + fXOffset + ( fZoom >> 1 ) ) / fZoom;
y = ( pt.y + fYOffset + ( fZoom >> 1 ) ) / fZoom;
// Set depending on our current drag flags
// Note the logic here: if we drag left, we want width and left changing,
// if we drag both, just left, if we drag right, just width
IParamBlock2 *pb = fComp->GetParamBlockByID( plComponent::kBlkComp );
if( fDragType & kLeft )
{
if( fDragType & kRight )
pb->SetValue( fCurrPBRefSet + 0, 0, (int)x );
else
{
int old = pb->GetInt( fCurrPBRefSet + 0 ) + pb->GetInt( fCurrPBRefSet + 2 );
pb->SetValue( fCurrPBRefSet + 0, 0, (int)x );
pb->SetValue( fCurrPBRefSet + 2, 0, (int)old - x );
}
}
else if( fDragType & kRight )
pb->SetValue( fCurrPBRefSet + 2, 0, (int)x - pb->GetInt( fCurrPBRefSet + 0 ) );
if( fDragType & kTop )
{
if( fDragType & kBottom )
pb->SetValue( fCurrPBRefSet + 1, 0, (int)y );
else
{
int old = pb->GetInt( fCurrPBRefSet + 1 ) + pb->GetInt( fCurrPBRefSet + 3 );
pb->SetValue( fCurrPBRefSet + 1, 0, (int)y );
pb->SetValue( fCurrPBRefSet + 3, 0, (int)old - y );
}
}
else if( fDragType & kBottom )
pb->SetValue( fCurrPBRefSet + 3, 0, (int)y - pb->GetInt( fCurrPBRefSet + 1 ) );
// Clamp width and height
if( pb->GetInt( fCurrPBRefSet + 2 ) < 0 )
pb->SetValue( fCurrPBRefSet + 2, 0, (int)0 );
if( pb->GetInt( fCurrPBRefSet + 3 ) < 0 )
pb->SetValue( fCurrPBRefSet + 3, 0, (int)0 );
// Clamp X and Y
if( pb->GetInt( fCurrPBRefSet + 0 ) < 0 )
pb->SetValue( fCurrPBRefSet + 0, 0, (int)0 );
else if( pb->GetInt( fCurrPBRefSet + 0 ) + pb->GetInt( fCurrPBRefSet + 2 ) > fDblWidth / fZoom )
pb->SetValue( fCurrPBRefSet + 0, 0, (int)fDblWidth / fZoom - pb->GetInt( fCurrPBRefSet + 2 ) );
if( pb->GetInt( fCurrPBRefSet + 1 ) < 0 )
pb->SetValue( fCurrPBRefSet + 1, 0, (int)0 );
else if( pb->GetInt( fCurrPBRefSet + 1 ) + pb->GetInt( fCurrPBRefSet + 3 ) > fDblHeight / fZoom )
pb->SetValue( fCurrPBRefSet + 1, 0, (int)fDblHeight / fZoom - pb->GetInt( fCurrPBRefSet + 3 ) );
}
else
{
// Mouse is outside our preview, so scroll if possible
int dX = ( x < fPreviewRect.left ) ? x - fPreviewRect.left : ( x > fPreviewRect.right ) ? x - fPreviewRect.right : 0;
int dY = ( y < fPreviewRect.top ) ? y - fPreviewRect.top : ( y > fPreviewRect.bottom ) ? y - fPreviewRect.bottom : 0;
fXOffset += dX;
fYOffset += dY;
OffsetRect( &fCurrElemRect, -dX, -dY );
ISetScrollRanges(); // Will clamp origin for us
// Don't actually drag our bounds, 'cause we're scrolling
// Note: since we only get MOUSEMOVE when, gee, the mouse moves, if we've scrolled over, it'll only
// do it once and then wait for the mouse to nudge again. We'd rather it keep going until the user
// moves the mouse again, so we create a timer that calls us back in n somethingths so we can check again
if( fDragTimer == 0 )
fDragTimer = SetTimer( hDlg, 0, 200, nil );
timerActive = true; // So we don't kill it at the end here...
}
}
IRefreshDblBuffer();
InvalidateRect( hDlg, &fPreviewRect, false );
}
else
{
UInt8 dragType = IGetDragTypeFlags( x, y );
HCURSOR cursor;
switch( dragType )
{
case kLeft | kTop:
case kRight | kBottom:
cursor = LoadCursor( nil, IDC_SIZENWSE );
break;
case kLeft | kBottom:
case kRight | kTop:
cursor = LoadCursor( nil, IDC_SIZENESW );
break;
case kLeft:
case kRight:
cursor = LoadCursor( nil, IDC_SIZEWE );
break;
case kTop:
case kBottom:
cursor = LoadCursor( nil, IDC_SIZENS );
break;
case kLeft | kTop | kRight | kBottom:
cursor = LoadCursor( nil, IDC_SIZEALL );
break;
default:
{
POINT pt;
pt.x = x;
pt.y = y;
if( PtInRect( &fPreviewRect, pt ) )
cursor = LoadCursor( nil, IDC_HAND );
else
cursor = fOrigCursor;
}
break;
}
SetCursor( cursor );
if( !timerActive )
{
// No longer need our trick timer, so kill it
KillTimer( hDlg, fDragTimer );
fDragTimer = 0;
}
}
break;
}
return false;
}
plGUISkinComp *plGUISkinComp::GetGUIComp( INode *node )
{
if( node == nil )
return nil;
plComponentBase *base = ( ( plMaxNodeBase *)node )->ConvertToComponent();
if( base == nil )
return nil;
if( base->ClassID() == GUI_SKIN_CLASSID )
return (plGUISkinComp *)base;
return nil;
}