initial commit

.gitignore

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+# Common build folder
+[Bb]uild/
+
+# IDE stuff
+CMakeLists.txt.user*

CMakeLists.txt

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+# SPDX-FileCopyrightText: 2024 Gary Wang <git@blumia.net>
+
+cmake_minimum_required(VERSION 3.9.5)
+
+project(pineapple-notepad)
+
+find_package(ECM ${KF_MIN_VERSION} REQUIRED NO_MODULE)
+set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON) # kconfig generated header file is in binary dir
+
+find_package(Qt6 6.4 REQUIRED
+    COMPONENTS Widgets
+)
+
+find_package(KF6 6.3 REQUIRED
+    COMPONENTS XmlGui ConfigWidgets CoreAddons I18n IconThemes
+)
+
+add_executable(pineapple-notepad
+    generalsettings.ui)
+
+target_sources(pineapple-notepad
+PRIVATE
+    main.cpp
+    mainwindow.cpp mainwindow.h
+    generalsettings.ui
+
+    appsettings.kcfg
+)
+
+qt_add_resources(pineapple-notepad xmlgui.qrc
+    PREFIX "/kxmlgui5/pineapple-notepad"
+    FILES pineapple-notepadui.rc
+)
+
+kconfig_add_kcfg_files(pineapple-notepad GENERATE_MOC appsettings.kcfgc)
+
+target_link_libraries(pineapple-notepad
+PRIVATE
+    Qt6::Widgets
+    KF6::XmlGui
+    KF6::CoreAddons
+    KF6::I18n
+    KF6::ConfigWidgets
+    KF6::IconThemes
+    qscintilla2_qt6
+)

README.md

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+# Pineapple Notepad？
+
+## 说明
+
+这是一个用来实验 KDE Framework 的项目（主要是 Widgets 相关的组件），此项目本身（至少目前）不是一个能用的文本编辑器，甚至可以说实际上什么功能都没有。
+
+现阶段，MSYS2 仓库的 KF6 组件已足以构建基本的应用程序，并包括一些优点。
+
+- KXmlGui: 提供了一个便于创建与管理 QAction 的框架，可以便于将 Action 注册到菜单栏、工具栏，甚至还有一个命令搜索条。工具栏中的项目可由用户自由调整。`xxxxui.rc`
+- KConfig: 提供了一个基于 XML 文件生成配置管理工具类的解决方案。`xxx.kcfg`（配置文件结构本体）与 `xxx.kcfgc`（如何生成工具类的配置）
+- KConfigWidgets: 一系列配套组件，包括：
+  - KConfigDialog: 提供一个包括多个页的配置对话框，将若干页面加入此对话框，且根据 KConfig 生成的工具类自动更新每个页面的控件（页面内的控件需使用 `kcfg_配置名称` 作为对象名称）。
+  - KHamburgerMenu: 汉堡菜单
+  - KStyleManager: 用于初始化 breeze 主题（和配置似乎没啥关系..）
+  - KColorSchemeMenu: 提供切换主题的菜单项（MSYS2 下，KColorSchemeMenu 实际列出的可用主题只有默认和暗色两个？）
+- KIconTheme: 初始化图标主题，需要在 QApplication 构造之前调用初始化，并且看上去需要配合什么别的东西才能做到颜色正确...

appsettings.kcfg

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
+                        http://www.kde.org/standards/kcfg/1.0/kcfg.xsd" >
+  <kcfgfile name="pineapple-notepadrc" />
+  <include>QFontDatabase</include>
+  <group name="Editor">
+    <entry name="tabWidth" type="int">
+      <default>4</default>
+    </entry>
+    <entry name="editorFont" type="Font" key="editor-font">
+      <default code="true">QFontDatabase::systemFont(QFontDatabase::FixedFont)</default>
+    </entry>
+  </group>
+</kcfg>

appsettings.kcfgc

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+File=appsettings.kcfg
+ClassName=AppSettings
+Mutators=true
+DefaultValueGetters=true
+GenerateProperties=true
+ParentInConstructor=true
+Notifiers=true
+Singleton=true

generalsettings.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>GeneralSettings</class>
+ <widget class="QWidget" name="GeneralSettings">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>406</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QFormLayout" name="formLayout">
+   <item row="0" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>tAB wIDTH</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QSpinBox" name="kcfg_tabWidth">
+     <property name="minimum">
+      <number>1</number>
+     </property>
+     <property name="maximum">
+      <number>16</number>
+     </property>
+     <property name="value">
+      <number>4</number>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>eDITOR fONT</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="KFontRequester" name="kcfg_editorFont"/>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>KFontRequester</class>
+   <extends>QWidget</extends>
+   <header>kfontrequester.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

main.cpp

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+#include <QApplication>
+
+#include "mainwindow.h"
+
+#include <KAboutData>
+#include <KLocalizedString>
+#include <KIconTheme>
+#include <KStyleManager>
+
+int main(int argc, char *argv[])
+{
+    KIconTheme::initTheme();
+
+    QApplication a(argc, argv);
+
+    KStyleManager::initStyle();
+
+    KLocalizedString::setApplicationDomain(QByteArrayLiteral("pineapple-notepad"));
+
+    KAboutData aboutData(QStringLiteral("pineapple-notepad"),
+                         "Pineapple Notepad（迫真）",
+                         QStringLiteral("0.1"),
+                         "A Scintilla-based Text Editor",
+                         KAboutLicense::Unknown,
+                         QString(),
+                         QString(),
+                         QStringLiteral("https://blumia.net"));
+    KAboutData::setApplicationData(aboutData);
+    a.setWindowIcon(QIcon::fromTheme(QStringLiteral("accessories-text-editor")));
+
+    MainWindow mw;
+    mw.show();
+
+    return a.exec();
+}

mainwindow.cpp

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+#include "mainwindow.h"
+
+#include "appsettings.h"
+
+#include <QApplication>
+#include <QMenu>
+
+#include <KActionCollection>
+#include <KStandardAction>
+#include <KActionMenu>
+#include <KConfigDialog>
+#include <KColorSchemeManager>
+#include <KColorSchemeMenu>
+#include <QSpinBox>
+
+#include <Qsci/qsciscintilla.h>
+
+MainWindow::MainWindow(QWidget *parent)
+    : KXmlGuiWindow(parent)
+    , m_editor(new QsciScintilla(this))
+{
+    setCentralWidget(m_editor);
+
+    QFont font(AppSettings::self()->editorFont());
+    m_editor->setFont(font);
+    m_editor->setMarginsFont(font);
+
+    m_editor->setMarginLineNumbers(1, true);
+    m_editor->setMarginWidth(1, 40);
+    m_editor->setBraceMatching(QsciScintilla::SloppyBraceMatch);
+
+    m_editor->setTabWidth(AppSettings::self()->tabWidth());
+    m_editor->setEolMode(QsciScintilla::EolUnix);
+
+    setupActions();
+}
+
+MainWindow::~MainWindow()
+{
+}
+
+void MainWindow::setupActions()
+{
+    using namespace Qt::Literals::StringLiterals;
+
+    // "File" menu
+    KStandardAction::openNew(this, [](){}, actionCollection());
+    KStandardAction::open(this, [](){}, actionCollection());
+    KStandardAction::save(this, [](){}, actionCollection());
+    KStandardAction::close(this, [](){}, actionCollection());
+    KStandardAction::quit(qApp, &QApplication::quit, actionCollection());
+
+    // "Edit" menu
+    KStandardAction::undo(this, [this](){
+        m_editor->undo();
+    }, actionCollection());
+    KStandardAction::redo(this, [this](){
+        m_editor->redo();
+    }, actionCollection());
+    KStandardAction::cut(this, [this](){
+        m_editor->cut();
+    }, actionCollection());
+    KStandardAction::copy(this, [this](){
+        m_editor->copy();
+    }, actionCollection());
+    KStandardAction::paste(this, [this](){
+        m_editor->paste();
+    }, actionCollection());
+
+    // "Search" menu
+    KStandardAction::find(this, [](){}, actionCollection());
+    KStandardAction::findNext(this, [](){}, actionCollection());
+    KStandardAction::findPrev(this, [](){}, actionCollection());
+    KStandardAction::replace(this, [](){}, actionCollection());
+    qDebug() << KStandardAction::name(KStandardAction::Replace);
+    
+    // "Language" menu
+    QAction *lexerNoneAction = new QAction(this);
+    lexerNoneAction->setText("None (Normal Text)");
+    actionCollection()->addAction(u"lexer_none"_s, lexerNoneAction);
+    connect(lexerNoneAction, &QAction::triggered, this, [this](){
+        m_editor->setLexer(nullptr);
+    });
+
+    // Toolbar actions
+    KStandardAction::zoomIn(this, [this](){
+        m_editor->zoomIn();
+    }, actionCollection());
+    KStandardAction::zoomOut(this, [this](){
+        m_editor->zoomOut();
+    }, actionCollection());
+
+    KStandardAction::preferences(this, &MainWindow::showSettings, actionCollection());
+
+    QAction *toggleWrapModeAction = new QAction(this);
+    toggleWrapModeAction->setText("Toggle Wrap Mode");
+    toggleWrapModeAction->setIcon(QIcon::fromTheme(u"text-wrap"_s));
+    toggleWrapModeAction->setCheckable(true);
+    actionCollection()->addAction(u"toggle_wrap_mode"_s, toggleWrapModeAction);
+    connect(toggleWrapModeAction, &QAction::triggered, this, [this, toggleWrapModeAction](){
+        bool switchToWrapNone = m_editor->wrapMode() == QsciScintilla::WrapWord;
+        m_editor->setWrapMode(switchToWrapNone ? QsciScintilla::WrapNone : QsciScintilla::WrapWord);
+        toggleWrapModeAction->setChecked(!switchToWrapNone);
+    });
+
+    QAction *toggleWhitespaceVisibilityAction = new QAction(this);
+    toggleWhitespaceVisibilityAction->setText("Show All Characters");
+    toggleWhitespaceVisibilityAction->setCheckable(true);
+    // toggleWhitespaceVisibilityAction->setIcon(QIcon::fromTheme(u"text-wrap"_s));
+    actionCollection()->addAction(u"toggle_show_all_characters"_s, toggleWhitespaceVisibilityAction);
+    connect(toggleWhitespaceVisibilityAction, &QAction::triggered, this, [this, toggleWhitespaceVisibilityAction](){
+        bool switchToVisible = m_editor->whitespaceVisibility() == QsciScintilla::WsInvisible;
+        m_editor->setWhitespaceVisibility(switchToVisible ? QsciScintilla::WsVisible : QsciScintilla::WsInvisible);
+        m_editor->setEolVisibility(switchToVisible);
+        toggleWhitespaceVisibilityAction->setChecked(switchToVisible);
+    });
+
+    QAction *toggleIndentGuideAction = new QAction(this);
+    toggleIndentGuideAction->setText("Toggle Indent Guide");
+    toggleIndentGuideAction->setIcon(QIcon::fromTheme(u"show-guides"_s));
+    actionCollection()->addAction(u"toggle_indent_guide"_s, toggleIndentGuideAction);
+    connect(toggleIndentGuideAction, &QAction::triggered, this, [this](){
+        m_editor->setIndentationGuides(!m_editor->indentationGuides());
+    });
+
+    // Load themes
+    KColorSchemeManager *manager = new KColorSchemeManager(this);
+    auto *colorSelectionMenu = KColorSchemeMenu::createMenu(manager, this);
+    colorSelectionMenu->menu()->setTitle("&Window Color Scheme");
+    actionCollection()->addAction(QStringLiteral("colorscheme_menu"), colorSelectionMenu);
+
+    setupGUI();
+}
+
+void MainWindow::showSettings()
+{
+    if (KConfigDialog::showDialog(QStringLiteral("settings"))) {
+        return;
+    }
+    KConfigDialog *dialog = new KConfigDialog(this, QStringLiteral("settings"), AppSettings::self());
+    dialog->setFaceType(KPageDialog::FlatList);
+    dialog->addPage(new SettingsPage<Ui::GeneralSettings>(dialog), "Appearance", "preferences-desktop-theme-global");
+
+    connect(dialog, &KConfigDialog::settingsChanged, this, [](const QString &dialogName){
+        qDebug() << dialogName << "changed";
+    });
+
+    dialog->show();
+}

mainwindow.h

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+#include <KXmlGuiWindow>
+
+#include "ui_GeneralSettings.h"
+
+class QsciScintilla;
+class MainWindow : public KXmlGuiWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+
+private:
+    void setupActions();
+    void showSettings();
+
+    QsciScintilla * m_editor;
+};
+
+// plainly for KConfigDialog
+// void setupUi(QWidget *GeneralSettings)
+template <typename T>
+class SettingsPage : public QWidget
+{
+public:
+    SettingsPage(QWidget *parent)
+        : QWidget(parent)
+    {
+        ui.setupUi(this);
+    }
+
+private:
+    T ui;
+};

pineapple-notepadui.rc

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+DTD: https://github.com/KDE/kxmlgui/blob/master/src/kpartgui.dtd
+Template: https://github.com/KDE/kxmlgui/blob/master/src/ui_standards.rc
+-->
+<gui name="pineapple-notepad"
+     version="1"
+     xmlns="http://www.kde.org/standards/kxmlgui/1.0"
+     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+     xsi:schemaLocation="http://www.kde.org/standards/kxmlgui/1.0
+                         http://www.kde.org/standards/kxmlgui/1.0/kxmlgui.xsd">
+  <MenuBar>
+    <Menu name="file" >
+    </Menu>
+    <Menu name="edit">
+    </Menu>
+    <Menu name="search"><text>&amp;Search</text>
+      <Action name="edit_find" />
+      <Action name="edit_find_next" />
+      <Action name="edit_find_prev" />
+      <Action name="edit_replace" />
+    </Menu>
+    <Menu name="view"><text>&amp;View</text>
+<!--      <Menu><text>&amp;Zoom</text>
+        <Action name="view_zoom_in"/>
+        <Action name="view_zoom_out"/>
+      </Menu>-->
+      <Action name="toggle_wrap_mode" />
+    </Menu>
+    <Menu name="encoding"><text>E&amp;ncoding</text>
+    </Menu>
+    <Menu name="language"><text>&amp;Language</text>
+      <Action name="lexer_none" />
+    </Menu>
+    <Menu name="settings"><text>&amp;Settings</text>
+      <Action name="colorscheme_menu"/>
+    </Menu>
+    <!-- this is not enough, user can still see actions like About KDE from other places
+    <menu name="help" noMerge="1"><text>&amp;Help</text>
+      <Action name="open_kcommand_bar"/>
+      <Separator/>
+      <Action name="help_about_app"/>
+    </menu> -->
+  </MenuBar>
+  <ToolBar name="mainToolBar" >
+    <text>Main Toolbar</text>
+    <Action name="toggle_wrap_mode" />
+    <Action name="toggle_show_all_characters" />
+    <Action name="toggle_indent_guide" />
+  </ToolBar>
+</gui>