77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
// StackController.cxx - manage a stack of QML items
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//
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// Written by James Turner, started February 2019
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//
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// Copyright (C) 2019 James Turner <james@flightgear.org>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "StackController.hxx"
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StackController::StackController()
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{
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}
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QUrl StackController::currentPageSource() const
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{
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if (m_stack.empty())
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return {};
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return m_stack.front();
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}
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QString StackController::currentPageTitle() const
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{
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if (m_stack.empty())
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return {};
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return m_titles.front();
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}
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QString StackController::previousPageTitle() const
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{
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if (m_titles.size() < 2)
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return {};
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return m_titles.at(1);
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}
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bool StackController::canGoBack() const
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{
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return (m_stack.size() > 1);
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}
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void StackController::push(QUrl page, QString title)
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{
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m_stack.push_front(page);
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m_titles.push_front(title);
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emit currentPageChanged();
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}
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void StackController::pop()
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{
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if (m_stack.empty())
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return;
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m_stack.pop_front();
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m_titles.pop_front();
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emit currentPageChanged();
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}
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void StackController::replace(QUrl url, QString title)
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{
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m_stack.clear();
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m_stack.push_back(url);
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m_titles.clear();
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m_titles.push_back(title);
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emit currentPageChanged();
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}
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