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133 lines
2.9 KiB
133 lines
2.9 KiB
/*
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* Copyright (C) 2013 - 2015 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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*
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*/
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#ifndef FM_BROWSEHISTORY_H
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#define FM_BROWSEHISTORY_H
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#include "libfmqtglobals.h"
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#include <vector>
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#include <libfm/fm.h>
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#include "core/filepath.h"
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namespace Fm {
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// class used to story browsing history of folder views
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// We use this class to replace FmNavHistory provided by libfm since
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// the original Libfm API is hard to use and confusing.
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class LIBFM_QT_API BrowseHistoryItem {
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public:
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explicit BrowseHistoryItem():
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scrollPos_(0) {
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}
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explicit BrowseHistoryItem(Fm::FilePath path, int scrollPos = 0):
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path_(std::move(path)),
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scrollPos_(scrollPos) {
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}
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BrowseHistoryItem(const BrowseHistoryItem& other) = default;
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~BrowseHistoryItem() {
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}
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BrowseHistoryItem& operator=(const BrowseHistoryItem& other) {
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path_ = other.path_;
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scrollPos_ = other.scrollPos_;
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return *this;
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}
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Fm::FilePath path() const {
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return path_;
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}
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int scrollPos() const {
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return scrollPos_;
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}
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void setScrollPos(int pos) {
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scrollPos_ = pos;
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}
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private:
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Fm::FilePath path_;
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int scrollPos_;
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// TODO: we may need to store current selection as well.
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};
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class LIBFM_QT_API BrowseHistory {
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public:
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BrowseHistory();
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virtual ~BrowseHistory();
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int currentIndex() const {
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return currentIndex_;
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}
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void setCurrentIndex(int index);
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Fm::FilePath currentPath() const {
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return items_[currentIndex_].path();
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}
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int currentScrollPos() const {
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return items_[currentIndex_].scrollPos();
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}
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BrowseHistoryItem& currentItem() {
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return items_[currentIndex_];
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}
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size_t size() const {
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return items_.size();
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}
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BrowseHistoryItem& at(int index) {
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return items_[index];
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}
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void add(Fm::FilePath path, int scrollPos = 0);
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bool canForward() const;
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bool canBackward() const;
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int backward();
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int forward();
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int maxCount() const {
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return maxCount_;
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}
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void setMaxCount(int maxCount);
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private:
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std::vector<BrowseHistoryItem> items_;
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int currentIndex_;
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int maxCount_;
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};
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}
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#endif // FM_BROWSEHISTORY_H
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