pjs/lib/mac/UserInterface/CBevelView.cp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifdef PowerPlant_PCH
#include PowerPlant_PCH
#endif
#include "CBevelView.h"
#include <LStream.h>
#include <UDrawingState.h>
#include <UDrawingUtils.h>
#include <UResourceMgr.h>
#include <LArrayIterator.h>
#include <URegions.h>
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
CBevelView::CBevelView(LStream *inStream)
: LOffscreenView(inStream),
mBevelList(sizeof(SSubBevel)),
mBevelGrowIcon(true)
{
*inStream >> mMainBevel;
ResIDT theBevelResID;
*inStream >> theBevelResID;
if (theBevelResID != 0)
{
StResource theBevelRes(ResType_BevelDescList, theBevelResID, false, false); //don't throw on failure
if (theBevelRes.mResourceH != NULL)
{
StHandleLocker theLock(theBevelRes);
LDataStream theBevelStream(*theBevelRes.mResourceH, ::GetHandleSize(theBevelRes));
SSubBevel theDesc;
::SetRect(&theDesc.cachedLocalFrame, 0, 0, 0, 0);
while (!theBevelStream.AtEnd())
{
theBevelStream >> theDesc.paneID;
theBevelStream >> theDesc.bevelLevel;
mBevelList.InsertItemsAt(1, LArray::index_Last, &theDesc);
}
}
}
mNeedsRecalc = true;
SetRefreshAllWhenResized(false);
}
CBevelView::~CBevelView()
{
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::FinishCreateSelf(void)
{
CalcBevelRegion();
CalcBevelMask();
}
void CBevelView::ResizeFrameBy(
Int16 inWidthDelta,
Int16 inHeightDelta,
Boolean inRefresh)
{
if ((inWidthDelta == 0) && (inHeightDelta == 0)) return; // Don't need any changes
if (inRefresh)
{
// Force an update on the region that represents the main bevel area and
// subframes
InvalMainFrame();
InvalSubFrames();
// We need to flag the resize because we know we're going to redraw. If we
// don't, the gray area will get drawing in it's pre-resize shape.
if (inRefresh)
mNeedsRecalc = true;
LView::ResizeFrameBy(inWidthDelta, inHeightDelta, inRefresh);
CalcBevelRegion();
CalcBevelMask();
// Force an update on the region that represents the main bevel area and
// subframes
InvalMainFrame();
InvalSubFrames();
}
else
{
LView::ResizeFrameBy(inWidthDelta, inHeightDelta, inRefresh);
CalcBevelRegion();
CalcBevelMask();
}
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::DrawSelf(void)
{
if (mNeedsRecalc)
CalcBevelRegion();
StColorPenState theState;
theState.Normalize();
StClipRgnState theClipSaver(mBevelRegion);
DrawBeveledFill();
DrawBeveledFrame();
LArrayIterator iterator(mBevelList, LArrayIterator::from_Start);
SSubBevel theBevelDesc;
while (iterator.Next(&theBevelDesc))
{
Boolean visible = CalcSubpaneLocalRect(theBevelDesc.paneID, theBevelDesc.cachedLocalFrame);
if (visible)
DrawBeveledSub(theBevelDesc);
}
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
Boolean CBevelView::CalcSubpaneLocalRect(PaneIDT inPaneID, Rect& subFrame)
{
// Handle the growbox case first, as it's not really a pane at all.
if (inPaneID == '$Grw')
{
subFrame = (*static_cast<RgnHandle>(mBevelRegion))->rgnBBox;
subFrame.top = subFrame.bottom - 15;
subFrame.left = subFrame.right - 15;
// return true (means visible) if mBevelGrowIcon is true
return mBevelGrowIcon;
}
LPane *theSub = FindPaneByID(inPaneID);
if (theSub && theSub->IsVisible())
{
theSub->CalcPortFrameRect(subFrame);
PortToLocalPoint(topLeft(subFrame));
PortToLocalPoint(botRight(subFrame));
return true;
}
return false;
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::CalcBevelRegion(void)
{
// If we can't focus, we cant establish a coordinate scheme and make
// subpane position calculations. So leave the recalc flag set.
if (!FocusExposed(false))
{
mNeedsRecalc = true;
return;
}
StRegion theSavedGrayRgn(mBevelRegion);
// Get the current frame of the gray bevel view.
// and convert the rectangle to a region
Rect grayFrame;
CalcLocalFrameRect(grayFrame);
::RectRgn(mBevelRegion, &grayFrame);
// Rip through the sub-panes to define the region that will
// be gray when the gray bevel view is drawn.
mBevelList.Lock();
StRegion theUtilRgn;
for (ArrayIndexT theIndex = LArray::index_First; theIndex <= mBevelList.GetCount(); theIndex++)
{
SSubBevel* theBevelDesc = (SSubBevel*)mBevelList.GetItemPtr(theIndex);
Boolean visible = CalcSubpaneLocalRect(theBevelDesc->paneID, theBevelDesc->cachedLocalFrame);
if (visible)
{
::RectRgn(theUtilRgn, &theBevelDesc->cachedLocalFrame);
::DiffRgn(mBevelRegion, theUtilRgn, mBevelRegion);
}
// if the pane was not found we are assuming that we don't want to
// clear the gray area underneath that pane.
}
mBevelList.Unlock();
mNeedsRecalc = false;
// Calculate the difference between the old an new gray
// areas and invalidate the newly exposed stuff.
// ::DiffRgn(theSavedGrayRgn, mBevelRegion, theSavedGrayRgn);
// InvalPortRgn(theSavedGrayRgn);
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::InvalMainFrame(void)
{
Rect theFrame;
CalcPortFrameRect(theFrame);
StRegion theInvalidRgn(theFrame);
::InsetRect(&theFrame, mMainBevel, mMainBevel);
StRegion theInsetRgn(theFrame);
::DiffRgn(theInvalidRgn, theInsetRgn, theInvalidRgn);
InvalPortRgn(theInvalidRgn);
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::InvalSubFrames(void)
{
StRegion theInvalidRgn, theFrameRgn, theInsetRgn;
::SetEmptyRgn(theInvalidRgn);
LArrayIterator iterator(mBevelList, LArrayIterator::from_Start);
SSubBevel theBevelDesc;
while (iterator.Next(&theBevelDesc))
{
Rect theSubFrame = theBevelDesc.cachedLocalFrame;
::RectRgn(theFrameRgn, &theSubFrame);
Int16 theInsetLevel = theBevelDesc.bevelLevel;
if (theInsetLevel < 0)
theInsetLevel = -theInsetLevel;
::InsetRect(&theSubFrame, -(theInsetLevel), -(theInsetLevel));
::RectRgn(theInsetRgn, &theSubFrame);
::DiffRgn(theInsetRgn, theFrameRgn, theFrameRgn);
::UnionRgn(theInvalidRgn, theFrameRgn, theInvalidRgn);
}
// Convert region to port coordinates
Point offset = { 0, 0 };
LocalToPortPoint(offset);
::OffsetRgn(theInvalidRgn, offset.h, offset.v);
InvalPortRgn(theInvalidRgn);
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::CalcBevelMask(void)
{
::SetEmptyRgn(mBevelMaskRegion);
StRegion theFrameRgn, theInsetRgn;
LArrayIterator iterator(mBevelList, LArrayIterator::from_Start);
SSubBevel theBevelDesc;
while (iterator.Next(&theBevelDesc))
{
Rect theSubFrame;
if ( CalcSubpaneLocalRect(theBevelDesc.paneID, theSubFrame) ) {
::RectRgn(theFrameRgn, &theSubFrame);
Int16 theInsetLevel = theBevelDesc.bevelLevel;
if (theInsetLevel < 0)
theInsetLevel = -theInsetLevel;
::InsetRect(&theSubFrame, -(theInsetLevel), -(theInsetLevel));
::RectRgn(theInsetRgn, &theSubFrame);
::DiffRgn(theInsetRgn, theFrameRgn, theFrameRgn);
::UnionRgn(mBevelMaskRegion, theFrameRgn, mBevelMaskRegion);
}
}
// Convert region to port coordinates
Point offset = { 0, 0 };
LocalToPortPoint(offset);
::OffsetRgn(mBevelMaskRegion, offset.h, offset.v);
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
//
// This method should be called anytime beveled subpanes are changed directly (i.e.
// calling the pane's method directly, such as ResizeFrameBy(), MoveBy(), etc.)
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::SubPanesChanged(Boolean inRefresh)
{
// Invalidate old bevel mask
if (inRefresh)
InvalPortRgn(mBevelMaskRegion);
// Calculate new masks
CalcBevelRegion();
CalcBevelMask();
// Invalidate new bevel mask
if (inRefresh)
InvalPortRgn(mBevelMaskRegion);
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥ [ static ]
//
// This is a safe, but ugly way of telling any enclosing GrayBevelView
// that the panes have moved. The subPane is the starting point for an
// upwards search.
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::SubPanesChanged(LPane* inSubPane, Boolean inRefresh)
{
LPane* super = inSubPane;
do {
super = super->GetSuperView();
if (!super) break;
CBevelView* graySuper = dynamic_cast<CBevelView*>(super);
if (graySuper)
{
graySuper->SubPanesChanged(inRefresh);
break;
}
} while (true);
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
//
// This method should be called to turn on bevelling of the grow icon area
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::BevelGrowIcon()
{
mBevelGrowIcon = true;
SubPanesChanged();
}
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// ¥
//
// This method should be called to stop us from bevelling the grow icon area
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
void CBevelView::DontBevelGrowIcon()
{
mBevelGrowIcon = false;
SubPanesChanged();
}