diff options
Diffstat (limited to 'libs/preview_base/src')
| -rw-r--r-- | libs/preview_base/src/CMakeLists.txt | 7 | ||||
| -rw-r--r-- | libs/preview_base/src/preview_base_en.ts | 27 | ||||
| -rw-r--r-- | libs/preview_base/src/previewbase.cpp | 185 | ||||
| -rw-r--r-- | libs/preview_base/src/previewbase.h | 68 |
4 files changed, 287 insertions, 0 deletions
diff --git a/libs/preview_base/src/CMakeLists.txt b/libs/preview_base/src/CMakeLists.txt new file mode 100644 index 0000000..b59dd77 --- /dev/null +++ b/libs/preview_base/src/CMakeLists.txt @@ -0,0 +1,7 @@ +cmake_minimum_required(VERSION 3.16) + + +add_library(preview_base SHARED previewbase.cpp previewbase.h) +mo2_configure_plugin(preview_base NO_SOURCES WARNINGS 4) +target_link_libraries(preview_base PRIVATE mo2::uibase) +mo2_install_plugin(preview_base) diff --git a/libs/preview_base/src/preview_base_en.ts b/libs/preview_base/src/preview_base_en.ts new file mode 100644 index 0000000..3c66964 --- /dev/null +++ b/libs/preview_base/src/preview_base_en.ts @@ -0,0 +1,27 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE TS> +<TS version="2.1" language="en_US"> +<context> + <name>PreviewBase</name> + <message> + <location filename="previewbase.cpp" line="86"/> + <source>Preview Base</source> + <translation type="unfinished"></translation> + </message> + <message> + <location filename="previewbase.cpp" line="96"/> + <source>Supports previewing various types of data files</source> + <translation type="unfinished"></translation> + </message> + <message> + <location filename="previewbase.cpp" line="109"/> + <source>Enable previewing of basic file types, such as images and text files.</source> + <translation type="unfinished"></translation> + </message> + <message> + <location filename="previewbase.cpp" line="113"/> + <source>Specify a list of comma separated extensions (without ".") that should not be previewed by this plugin.</source> + <translation type="unfinished"></translation> + </message> +</context> +</TS> diff --git a/libs/preview_base/src/previewbase.cpp b/libs/preview_base/src/previewbase.cpp new file mode 100644 index 0000000..cd393d8 --- /dev/null +++ b/libs/preview_base/src/previewbase.cpp @@ -0,0 +1,185 @@ +/* +Copyright (C) 2014 Sebastian Herbord. All rights reserved. + +This file is part of Base Preview plugin for MO + +Base Preview plugin is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +Base Preview plugin is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Base Preview plugin. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "previewbase.h" + +#include <QApplication> +#include <QFileInfo> +#include <QImageReader> +#include <QLabel> +#include <QScreen> +#include <QTextEdit> +#include <QtPlugin> + +#include <uibase/utility.h> + +using namespace MOBase; + +PreviewBase::PreviewBase() : m_MOInfo(nullptr) {} + +bool PreviewBase::init(IOrganizer* moInfo) +{ + m_MOInfo = moInfo; + + const QStringList& blacklist = + m_MOInfo->pluginSetting(name(), "blacklisted_extensions") + .toString() + .toLower() + .split(','); + + // set up image reader to be used for all image types qt (the current installation) + // supports + auto imageReader = + std::bind(&PreviewBase::genImagePreview, this, std::placeholders::_1, + std::placeholders::_2, std::placeholders::_3); + + foreach (const QByteArray& fileType, QImageReader::supportedImageFormats()) { + auto strFileType = QString(fileType).toLower(); + + // skip dds as that one is handled by the dds preview plugin. + if (strFileType == "dds" || blacklist.contains(strFileType)) + continue; + + m_PreviewGenerators[strFileType] = imageReader; + } + + const QStringList supportedTextFormats = {"txt", "ini", "json", "log", "cfg", "psc"}; + + auto textReader = std::bind(&PreviewBase::genTxtPreview, this, std::placeholders::_1, + std::placeholders::_2, std::placeholders::_3); + + foreach (const QString fileType, supportedTextFormats) { + + // skip blacklisted ones + if (blacklist.contains(fileType)) + continue; + + m_PreviewGenerators[fileType] = textReader; + } + + return true; +} + +QString PreviewBase::name() const +{ + return "Preview Base"; +} + +QString PreviewBase::localizedName() const +{ + return tr("Preview Base"); +} + +QString PreviewBase::author() const +{ + return "Tannin"; +} + +QString PreviewBase::description() const +{ + return tr("Supports previewing various types of data files"); +} + +MOBase::VersionInfo PreviewBase::version() const +{ + return VersionInfo(1, 1, 0, VersionInfo::RELEASE_FINAL); +} + +QList<MOBase::PluginSetting> PreviewBase::settings() const +{ + QList<PluginSetting> result; + result.push_back(PluginSetting( + "enabled", + tr("Enable previewing of basic file types, such as images and text files."), + QVariant(true))); + result.push_back( + PluginSetting("blacklisted_extensions", + tr("Specify a list of comma separated extensions (without \".\") " + "that should not be previewed by this plugin."), + QVariant(""))); + return result; +} + +std::set<QString> PreviewBase::supportedExtensions() const +{ + std::set<QString> extensions; + for (const auto& generator : m_PreviewGenerators) { + extensions.insert(generator.first); + } + + return extensions; +} + +QWidget* PreviewBase::genFilePreview(const QString& fileName, + const QSize& maxSize) const +{ + return genDataPreview(nullptr, fileName, maxSize); +} + +QWidget* PreviewBase::genDataPreview(const QByteArray& fileData, + const QString& fileName, + const QSize& maxSize) const +{ + auto iter = m_PreviewGenerators.find(QFileInfo(fileName).suffix().toLower()); + if (iter != m_PreviewGenerators.end()) { + return iter->second(fileName, maxSize, fileData); + } else { + return nullptr; + } +} + +QWidget* PreviewBase::genImagePreview(const QString& fileName, const QSize&, + const QByteArray& fileData) const +{ + QLabel* label = new QLabel(); + QPixmap pic; + if (fileData == nullptr) { + pic = QPixmap(fileName); + } else { + pic.loadFromData(fileData); + } + QSize screenSize = QApplication::primaryScreen()->geometry().size(); + // ensure the output image is no more than 80% of the screen height. + // If the aspect ratio is higher than that of the screen this would still allow the + // image to extend beyond the screen but it ensures you can drag the window and close + // it + int maxHeight = static_cast<int>(screenSize.height() * 0.8f); + if (pic.size().height() > maxHeight) { + pic = pic.scaledToHeight(maxHeight, Qt::SmoothTransformation); + } + label->setPixmap(pic); + return label; +} + +QWidget* PreviewBase::genTxtPreview(const QString& fileName, const QSize&, + const QByteArray& fileData) const +{ + QTextEdit* edit = new QTextEdit(); + if (fileData == nullptr) { + edit->setText(MOBase::readFileText(fileName)); + } else { + edit->setText(MOBase::decodeTextData(fileData)); + } + edit->setReadOnly(true); + return edit; +} + +#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0) +Q_EXPORT_PLUGIN2(previewBase, PreviewBase) +#endif diff --git a/libs/preview_base/src/previewbase.h b/libs/preview_base/src/previewbase.h new file mode 100644 index 0000000..d4ffc14 --- /dev/null +++ b/libs/preview_base/src/previewbase.h @@ -0,0 +1,68 @@ +/* +Copyright (C) 2014 Sebastian Herbord. All rights reserved. + +This file is part of Base Preview plugin for MO + +Base Preview plugin is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +Base Preview plugin is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Base Preview plugin. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef PREVIEWBASE_H +#define PREVIEWBASE_H + +#include <functional> + +#include <uibase/ipluginpreview.h> + +class PreviewBase : public MOBase::IPluginPreview +{ + + Q_OBJECT + Q_INTERFACES(MOBase::IPlugin MOBase::IPluginPreview) + Q_PLUGIN_METADATA(IID "org.tannin.PreviewBase") + +public: + PreviewBase(); + +public: + virtual bool init(MOBase::IOrganizer* moInfo) override; + virtual QString name() const override; + virtual QString localizedName() const override; + virtual QString author() const override; + virtual QString description() const override; + virtual MOBase::VersionInfo version() const override; + virtual QList<MOBase::PluginSetting> settings() const override; + +public: + virtual std::set<QString> supportedExtensions() const; + virtual bool supportsArchives() const override { return true; } + virtual QWidget* genFilePreview(const QString& fileName, const QSize& maxSize) const; + virtual QWidget* genDataPreview(const QByteArray& fileData, const QString& fileName, + const QSize& maxSize) const override; + +private: + QWidget* genImagePreview(const QString& fileName, const QSize& maxSize, + const QByteArray& fileData) const; + QWidget* genTxtPreview(const QString& fileName, const QSize& maxSize, + const QByteArray& fileData) const; + +private: + std::map<QString, + std::function<QWidget*(const QString&, const QSize&, const QByteArray&)>> + m_PreviewGenerators; + +private: + const MOBase::IOrganizer* m_MOInfo; +}; + +#endif // PREVIEWBASE_H |