gecko-dev/lib/mac/UserInterface/CSimpleDividedView.cp
2004-04-25 16:36:22 +00:00

341 lines
9.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
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* ***** END LICENSE BLOCK ***** */
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
// Simplest divided view. Just takes in the panes as the parameters
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
#include "prtypes.h"
#include "CSimpleDividedView.h"
// PP
#include <URegions.h>
#include <UDebugging.h>
#include <UCursor.h>
#ifndef VERT_CURSOR
#define VERT_CURSOR 1136
#endif
#ifndef HORI_CURSOR
#define HORI_CURSOR 1120
#endif
//#define DRAW_DEBUG_RECT
// ---------------------------------------------------------------------------
// ¥ CSimpleDividedView constructor
// ---------------------------------------------------------------------------
// Read in the data
CSimpleDividedView::CSimpleDividedView(LStream *inStream) : LPane(inStream)
{
*inStream >> fTopLeftViewID;
*inStream >> fBottomRightViewID;
*inStream >> fTopLeftMinSize;
*inStream >> fBottomRightMinSize;
fIsVertical = -1;
}
// ---------------------------------------------------------------------------
// ¥ CSimpleDividedView destructor
// ---------------------------------------------------------------------------
CSimpleDividedView::~CSimpleDividedView()
{
}
// ---------------------------------------------------------------------------
// ¥ RepositionView
// ---------------------------------------------------------------------------
// Squeze ourselves between topLeft and bottomRight view
void CSimpleDividedView::RepositionView()
{
Rect r1, r2, thisRect;
if ( !GetViewRects(r1, r2) )
{
Hide();
return;
}
Show();
if (fIsVertical == -1)
ReadjustConstraints();
if (fIsVertical)
{
// Get the smallest rectangle between the two
thisRect.top = r1.bottom;
thisRect.bottom = r2.top;
thisRect.left = r1.left > r2.left ? r1.left : r2.left;
thisRect.right = r1.right < r2.right ? r1.right : r2.right;
if ( thisRect.top == thisRect.bottom )
{
thisRect.top -= 1;
thisRect.bottom += 1;
}
}
else
{
thisRect.left = r1.right;
thisRect.right = r2.left;
thisRect.top = r1.top > r2.top ? r1.top : r2.top;
thisRect.bottom = r1.bottom < r2.bottom ? r1.bottom : r2.bottom;
if ( thisRect.left == thisRect.right )
{
thisRect.left -= 1;
thisRect.right += 1;
}
}
MoveBy( thisRect.left - mFrameLocation.h, thisRect.top - mFrameLocation.v, false );
ResizeFrameTo( thisRect.right - thisRect.left, thisRect.bottom - thisRect.top , false);
}
// ---------------------------------------------------------------------------
// ¥ GetViewRects
// ---------------------------------------------------------------------------
// r1 is the fTopLeftViewID rect
// r2 is the fBottomRightViewID rect
Boolean CSimpleDividedView::GetViewRects(Rect& r1, Rect& r2)
{
LPane * pane1, * pane2;
// Get the location of the views
pane1 = mSuperView->FindPaneByID( fTopLeftViewID );
SignalIfNot_(pane1);
pane2 = mSuperView->FindPaneByID( fBottomRightViewID );
SignalIfNot_(pane2);
if ( pane1->IsVisible() && pane2->IsVisible() )
{
SDimension16 size1, size2;
SPoint32 loc1, loc2;
pane1->GetFrameSize( size1 );
pane2->GetFrameSize( size2 );
pane1->GetFrameLocation( loc1 );
pane2->GetFrameLocation( loc2 );
::SetRect( &r1, loc1.h, loc1.v, loc1.h+size1.width, loc1.v + size1.height );
::SetRect( &r2, loc2.h, loc2.v, loc2.h+size2.width, loc2.v + size2.height );
return true;
}
else
return false;
}
// ---------------------------------------------------------------------------
// ¥ ReadjustConstraints
// ---------------------------------------------------------------------------
// Figure out which is the topLeft view
// Readjust our position
void CSimpleDividedView::ReadjustConstraints()
{
Rect r1, r2;
if ( !GetViewRects(r1, r2 ) )
return;
// Are we vertical drag?
// If so, top and bottom of top pane are less than top of other pane
if ( (r1.top < r2.top ) && ( r1.bottom < r2.top ) )
// r1 on top of r2
{
fIsVertical = TRUE;
}
else if ( (r2.top < r1.top ) && ( r2.bottom < r1.top ) )
// r2 on top of r1
{
fIsVertical = TRUE;
PaneIDT temp = fTopLeftViewID;
fTopLeftViewID = fBottomRightViewID;
fBottomRightViewID = temp;
} else if ( (r1.left < r2.left ) && ( r1.left < r2.bottom ) )
// r1 left of r2
{
fIsVertical = FALSE;
} else if ( (r2.left < r1.left ) && ( r2.left < r1.bottom ) )
{
// r2 to left of r1
fIsVertical = FALSE;
PaneIDT temp = fTopLeftViewID;
fTopLeftViewID = fBottomRightViewID;
fBottomRightViewID = temp;
}
else
SignalCStr_("The views are not properly adjusted");
// Readjust our position
RepositionView();
}
// ---------------------------------------------------------------------------
// ¥ FinishCreateSelf
// ---------------------------------------------------------------------------
// Position this view
void CSimpleDividedView::FinishCreateSelf()
{
ReadjustConstraints();
}
// ---------------------------------------------------------------------------
// ¥ AdaptToSuperFrameSize
// ---------------------------------------------------------------------------
// Do not want to move the view around
void CSimpleDividedView::AdaptToSuperFrameSize(Int32 /* inSurrWidthDelta */,
Int32 /* inSurrHeightDelta */,
Boolean /* inRefresh */)
{
ReadjustConstraints();
}
// ---------------------------------------------------------------------------
// ¥ ClickSelf
// ---------------------------------------------------------------------------
// Drag the bar within the limits
// Readjust the subview size
void CSimpleDividedView::ClickSelf(const SMouseDownEvent &inMouseDown)
{
long dragDistance;
Rect limitRect, slopRect, frame;
FocusDraw();
CalcLocalFrameRect(frame);
StRegion rgn(frame);
// Figure out the limits, taking minimum size into account
{
Rect r1, r2;
if ( !GetViewRects(r1, r2) )
return;
if (fIsVertical)
{
limitRect.top = r1.top + fTopLeftMinSize;
limitRect.bottom = r2.bottom - fBottomRightMinSize;
limitRect.left = frame.left;
limitRect.right = frame.right;
slopRect.left = limitRect.left - 50;
slopRect.right = limitRect.right + 50;
slopRect.top = r1.top - 30;
slopRect.bottom = r2.bottom + 30;
}
else
{
limitRect.left = r1.left + fTopLeftMinSize;
limitRect.right = r2.right - fBottomRightMinSize;
limitRect.top = r1.top;
limitRect.bottom = r2.bottom;
slopRect = limitRect;
slopRect.left -= fTopLeftMinSize;
slopRect.right += fBottomRightMinSize;
slopRect.bottom += 50;
slopRect.top -= 50;
}
}
// Drag it
dragDistance = ::DragGrayRgn( rgn, inMouseDown.whereLocal,
&limitRect, &slopRect,
fIsVertical ? vAxisOnly : hAxisOnly, nil );
Int16 horizDrag = LoWord(dragDistance);
Int16 vertDrag = HiWord(dragDistance);
// Move/resize the views
if ( (dragDistance != 0x80008000) && // 0x80008000 == Drag_Aborted from UFloatingDesktop
(horizDrag != 0 || vertDrag != 0) )
{
LPane * p1, *p2;
p1 = mSuperView->FindPaneByID(fTopLeftViewID);
p2 = mSuperView->FindPaneByID(fBottomRightViewID);
p1->ResizeFrameBy( horizDrag, vertDrag, true );
p2->MoveBy( horizDrag, vertDrag, true );
p2->ResizeFrameBy( -horizDrag, -vertDrag, true );
RepositionView();
BroadcastMessage(msg_SubviewChangedSize, this);
}
}
// ---------------------------------------------------------------------------
// ¥ AdjustCursorSelf
// ---------------------------------------------------------------------------
// Standard vert/horizontal sliders
void CSimpleDividedView::AdjustCursorSelf(Point /* inPortPt */, const EventRecord& /* inMacEvent */ )
{
ResIDT cursID = fIsVertical ? VERT_CURSOR : HORI_CURSOR;
CursHandle h = GetCursor (cursID);
if (h)
SetCursor( *h );
else
SignalCStr_("Signal those strings");
}
// ---------------------------------------------------------------------------
// ¥ DrawSelf
// ---------------------------------------------------------------------------
// Debug only, draw a big red slab
#ifdef DEBUG
void CSimpleDividedView::DrawSelf()
{
#ifdef DRAW_DEBUG_RECT
Rect frame;
CalcLocalFrameRect(frame);
RGBColor c;
c.red = 0xDD6B; c.green = 0x08C2; c.blue = 0x06A2;
RGBForeColor (&c);
PaintRect(&frame);
#endif
}
#endif