pjs/cmd/macfe/rdfui/CNavCenterTitle.cp

162 строки
4.1 KiB
C++

/* -*- 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.
*/
//
// Mike Pinkerton, Netscape Communications
//
// Class that draws the header area for the nav center which shows the title
// of the currently selected view as well as harboring the closebox for
// an easy way to close up the navCenter shelf.
//
#include "CNavCenterTitle.h"
#include "CNavCenterSelectorPane.h" // for message id's
#include "URDFUtilities.h"
extern RDF_NCVocab gNavCenter; // RDF vocab struct for NavCenter
CNavCenterTitle :: CNavCenterTitle ( LStream *inStream )
: CGrayBevelView (inStream),
mTitle(NULL), mView(NULL)
{
}
CNavCenterTitle :: ~CNavCenterTitle()
{
// nothing to do
}
//
// FinishCreateSelf
//
// Last minute setup stuff....
//
void
CNavCenterTitle :: FinishCreateSelf ( )
{
mTitle = dynamic_cast<LCaption*>(FindPaneByID(kTitlePaneID));
Assert_(mTitle != NULL);
} // FinishCreateSelf
//
// ListenToMessage
//
// We want to know when the selected workspace changes so that we can update the
// title string. The RDFCoordinator sets us up as a listener to the selector pane
// which will broadcast when things change.
//
void
CNavCenterTitle :: ListenToMessage ( MessageT inMessage, void* ioParam )
{
switch ( inMessage ) {
case CNavCenterSelectorPane::msg_ActiveSelectorChanged:
{
mView = reinterpret_cast<HT_View>(ioParam);
if ( mView ) {
// do not delete |buffer|
const char* buffer = HT_GetViewName ( mView );
TitleCaption().SetDescriptor(LStr255(buffer));
// if we're in the middle of a drag and drop, draw NOW, not
// when we get a refresh event.
if ( ::StillDown() ) {
FocusDraw();
Draw(nil);
}
}
}
} // case of which message
} // ListenToMessage
void
CNavCenterTitle :: DrawBeveledFill ( )
{
StColorState saved;
if ( mView ) {
HT_Resource topNode = HT_TopNode(mView);
if ( topNode ) {
char* url = NULL;
PRBool success = HT_GetNodeData ( topNode, gNavCenter->titleBarBGURL, HT_COLUMN_STRING, &url );
if ( success && url ) {
// draw the background image tiled to fill the whole pane
Point topLeft = { 0, 0 };
SetImageURL ( url );
DrawImage ( topLeft, kTransformNone, mFrameSize.width, mFrameSize.height );
FocusDraw();
}
else
EraseBackground(topNode);
}
else
EraseBackground(NULL);
}
else
EraseBackground(NULL);
} // DrawBeveledFill
//
// DrawStandby
//
// Draw correctly when the image has yet to load.
//
void
CNavCenterTitle :: DrawStandby ( const Point & /*inTopLeft*/,
const IconTransformType /*inTransform*/ ) const
{
// we're just waiting for the image to come in, who cares if we don't use
// HT's color?
EraseBackground(NULL);
} // DrawStandby
//
// EraseBackground
//
// Fill in the bg with either the correct HT color (from a property on |inTopNode|, the
// correct AM color, or the default GA implementation (if we are before AM 1.1).
//
void
CNavCenterTitle :: EraseBackground ( HT_Resource inTopNode ) const
{
// when we can get the right AM bg color (in AM 1.1), use that but for now just ignore it
if ( !inTopNode || ! URDFUtilities::SetupBackgroundColor(inTopNode, gNavCenter->titleBarBGColor,
kThemeListViewSortColumnBackgroundBrush) ) {
CNavCenterTitle* self = const_cast<CNavCenterTitle*>(this); // hack
self->CGrayBevelView::DrawBeveledFill();
}
else {
// use HT's color
Rect bounds;
CalcLocalFrameRect(bounds);
::EraseRect(&bounds);
}
} // EraseBackground