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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "view/SlsToolTip.hxx"
#include "view/SlideSorterView.hxx"
#include "view/SlsLayouter.hxx"
#include "view/SlsTheme.hxx"
#include "sdpage.hxx"
#include "sdresid.hxx"
#include "glob.hrc"
#include <vcl/settings.hxx>
#include <vcl/help.hxx>
namespace sd { namespace slidesorter { namespace view {
ToolTip::ToolTip (SlideSorter& rSlideSorter)
: mrSlideSorter(rSlideSorter),
msCurrentHelpText(),
mnHelpWindowHandle(0),
maShowTimer(),
maHiddenTimer()
{
SharedSdWindow window = rSlideSorter.GetContentWindow();
const HelpSettings& rHelpSettings = window->GetSettings().GetHelpSettings();
maShowTimer.SetTimeout(rHelpSettings.GetTipDelay());
maShowTimer.SetTimeoutHdl(LINK(this, ToolTip, DelayTrigger));
maHiddenTimer.SetTimeout(rHelpSettings.GetTipDelay());
}
ToolTip::~ToolTip (void)
{
maShowTimer.Stop();
maHiddenTimer.Stop();
Hide();
}
void ToolTip::SetPage (const model::SharedPageDescriptor& rpDescriptor)
{
if (mpDescriptor != rpDescriptor)
{
maShowTimer.Stop();
bool bWasVisible = Hide();
if (bWasVisible)
{
maHiddenTimer.Start();
}
mpDescriptor = rpDescriptor;
if (mpDescriptor)
{
SdPage* pPage = mpDescriptor->GetPage();
OUString sHelpText;
if (pPage != NULL)
sHelpText = pPage->GetName();
else
{
OSL_ASSERT(mpDescriptor->GetPage() != NULL);
}
if (sHelpText.isEmpty())
{
sHelpText = SD_RESSTR(STR_PAGE);
sHelpText += OUString::number(mpDescriptor->GetPageIndex()+1);
}
msCurrentHelpText = sHelpText;
// show new tooltip immediately, if last one was recently hidden
Show(maHiddenTimer.IsActive());
}
else
{
msCurrentHelpText = OUString();
}
}
}
void ToolTip::Show (const bool bNoDelay)
{
if (bNoDelay)
DoShow();
else
maShowTimer.Start();
}
void ToolTip::DoShow (void)
{
if (maShowTimer.IsActive())
{
// The delay timer is active. Wait for it to trigger the showing of
// the tool tip.
return;
}
SharedSdWindow pWindow (mrSlideSorter.GetContentWindow());
if (!msCurrentHelpText.isEmpty() && pWindow)
{
Rectangle aBox (
mrSlideSorter.GetView().GetLayouter().GetPageObjectLayouter()->GetBoundingBox(
mpDescriptor,
PageObjectLayouter::Preview,
PageObjectLayouter::WindowCoordinateSystem));
// Do not show the help text when the (lower edge of the ) preview
// is not visible. The tool tip itself may still be outside the
// window.
if (aBox.Bottom() >= pWindow->GetSizePixel().Height())
return;
::Window* pParent (pWindow.get());
while (pParent!=NULL && pParent->GetParent()!=NULL)
pParent = pParent->GetParent();
const Point aOffset (pWindow->GetWindowExtentsRelative(pParent).TopLeft());
// We do not know how high the tool tip will be but want its top
// edge not its bottom to be at a specific position (a little below
// the preview). Therefore we use a little trick and place the tool
// tip at the top of a rectangle that is placed below the preview.
aBox.Move(aOffset.X(), aOffset.Y() + aBox.GetHeight() + 3);
mnHelpWindowHandle = Help::ShowTip(
pWindow.get(),
aBox,
msCurrentHelpText,
QUICKHELP_CENTER | QUICKHELP_TOP);
}
}
bool ToolTip::Hide (void)
{
if (mnHelpWindowHandle>0)
{
Help::HideTip(mnHelpWindowHandle);
mnHelpWindowHandle = 0;
return true;
}
else
return false;
}
IMPL_LINK_NOARG(ToolTip, DelayTrigger)
{
DoShow();
return 0;
}
} } } // end of namespace ::sd::slidesorter::view
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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