Moved Script and Fraction widgets to sigmodr/corewidgets

1 files changed, 217 insertions, 0 deletions

diff --git a/sigmodr/corewidgets/ScriptWidget.cpp b/sigmodr/corewidgets/ScriptWidget.cpp
new file mode 100644
index 00000000..dbfdcd07
--- /dev/null
+++ b/sigmodr/corewidgets/ScriptWidget.cpp
@@ -0,0 +1,217 @@
+/*
+ * Copyright 2008-2009 Ben Boeckel <MathStuf@gmail.com>
+ * 
+ * This program 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.
+ * 
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Header include
+#include "ScriptWidget.h"
+#include "ScriptWidget_p.h"
+
+// KDE includes
+#include <KActionCollection>
+#include <KApplication>
+#include <KComboBox>
+#include <KMenu>
+#include <KMessageBox>
+#include <KStandardAction>
+#include <KTextEdit>
+#include <KXMLGUIFactory>
+#include <KXmlGuiWindow>
+#include <KTextEditor/Document>
+#include <KTextEditor/Editor>
+#include <KTextEditor/EditorChooser>
+#include <KTextEditor/View>
+
+// Qt includes
+#include <QtCore/QFile>
+#include <QtGui/QGridLayout>
+#include <QtGui/QLabel>
+#include <QtUiTools/QUiLoader>
+
+using namespace Sigcore;
+using namespace Sigmodr::CoreWidgets;
+
+ScriptWidget::ScriptWidget(QWidget* parent, const Script& value) :
+        QWidget(parent),
+        d(new Private(this, value))
+{
+    QVBoxLayout* layout = new QVBoxLayout;
+    layout->addWidget(d->makeWidgets(this));
+    setLayout(layout);
+}
+
+Script ScriptWidget::value() const
+{
+    return d->m_value;
+}
+
+void ScriptWidget::setValue(const Script& value)
+{
+    if (d->m_value != value)
+    {
+        d->m_value = value;
+        emit(valueChanged(d->m_value));
+    }
+}
+
+QMap<QString, QString> ScriptWidget::Private::m_languages;
+
+ScriptWidget::Private::Private(QObject* parent, const Script& value) :
+        QObject(parent),
+        m_value(value),
+        ui_simpleEdit(NULL),
+        m_editor(KTextEditor::EditorChooser::editor()),
+        m_document(NULL)
+{
+    if (!m_languages.size())
+    {
+        m_languages["C#"] = "mono";
+        m_languages["Falcon"] = "falcon";
+        m_languages["Java"] = "java";
+        m_languages["JavaScript"] = "javascript";
+        m_languages["QtScript"] = "qtscript";
+        m_languages["Lua"] = "lua";
+        m_languages["PHP"] = "php";
+        m_languages["Python"] = "python";
+        m_languages["Ruby"] = "ruby";
+    }
+}
+
+ScriptWidget::Private::~Private()
+{
+    if (m_editor)
+        m_editor->writeConfig(NULL);
+}
+
+QWidget* ScriptWidget::Private::makeWidgets(ScriptWidget* widget)
+{
+    QFile file(":/gui/script.ui");
+    file.open(QFile::ReadOnly);
+    QWidget *formWidget = QUiLoader().load(&file, widget);
+    file.close();
+    ui_interpreter = formWidget->findChild<KComboBox*>("varInterpreter");
+    connect(ui_interpreter, SIGNAL(currentIndexChanged(QString)), this, SLOT(interpreterChanged(QString)));
+    ui_interpreter->addItems(m_languages.keys());
+    QLabel* labelScript = formWidget->findChild<QLabel*>("labelScript");
+    QGridLayout* gridLayout = formWidget->findChild<QGridLayout*>("gridLayout");
+    QWidget* editor;
+    if (m_editor)
+    {
+        m_editor->readConfig();
+        m_document = m_editor->createDocument(formWidget);
+        ui_kteEdit = m_document->createView(formWidget);
+        editor = ui_kteEdit;
+        KActionCollection* collection = ui_kteEdit->actionCollection();
+        collection->action("file_save")->setVisible(false);
+        collection->action("file_save")->setEnabled(false);
+        collection->action("file_save_as")->setVisible(false);
+        collection->action("file_save_as")->setEnabled(false);
+        collection->action("edit_undo")->setVisible(false);
+        collection->action("edit_undo")->setEnabled(false);
+        collection->action("edit_redo")->setVisible(false);
+        collection->action("edit_redo")->setEnabled(false);
+        collection->action("edit_cut")->setVisible(false);
+        collection->action("edit_copy")->setVisible(false);
+        collection->action("edit_paste")->setVisible(false);
+        KXmlGuiWindow* topLevel = qobject_cast<KXmlGuiWindow*>(KApplication::kApplication()->activeWindow());
+        if (topLevel)
+        {
+            KMenu *menu = qobject_cast<KMenu*>(topLevel->factory()->container("ktexteditor_popup", topLevel));
+            if (menu)
+                ui_kteEdit->setContextMenu(menu);
+        }
+        connect(m_document, SIGNAL(textChanged(KTextEditor::Document*)), this, SLOT(scriptChanged()));
+        connect(ui_kteEdit, SIGNAL(focusIn(KTextEditor::View*)), this, SLOT(focused(KTextEditor::View*)));
+        connect(ui_kteEdit, SIGNAL(focusOut(KTextEditor::View*)), this, SLOT(unfocused(KTextEditor::View*)));
+    }
+    else
+    {
+        KMessageBox::information(widget, "A KDE text-editor component could not be found.\nPlease check your KDE installation.\n\nEnhanced editing will not be used.", "KDE editor component not found", "kte-component");
+        ui_simpleEdit = new KTextEdit(m_value.script(), widget);
+        editor = ui_simpleEdit;
+        connect(ui_simpleEdit, SIGNAL(textChanged()), this, SLOT(scriptChanged()));
+    }
+    editor->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    editor->setMinimumHeight(300);
+    labelScript->setBuddy(editor);
+    setTabOrder(ui_interpreter, editor);
+    gridLayout->addWidget(editor, 1, 1);
+    connect(this, SIGNAL(valueChanged(Sigcore::Script)), SLOT(setGui()));
+    connect(this, SIGNAL(valueChanged(Sigcore::Script)), widget, SIGNAL(valueChanged(Sigcore::Script)));
+    setGui();
+    return formWidget;
+}
+
+void ScriptWidget::Private::interpreterChanged(const QString& interpreter)
+{
+    m_value.setInterpreter(m_languages[interpreter]);
+    if (m_document)
+        m_document->setHighlightingMode(interpreter);
+    emit(valueChanged(m_value));
+}
+
+void ScriptWidget::Private::scriptChanged()
+{
+    if (m_document)
+    {
+        if (m_value.script() != m_document->text())
+        {
+            m_value.setScript(m_document->text());
+            emit(valueChanged(m_value));
+        }
+    }
+    else
+    {
+        if (m_value.script() != ui_simpleEdit->toPlainText())
+        {
+            m_value.setScript(ui_simpleEdit->toPlainText());
+            emit(valueChanged(m_value));
+        }
+    }
+}
+
+void ScriptWidget::Private::focused(KTextEditor::View* view)
+{
+    KXmlGuiWindow* topLevel = qobject_cast<KXmlGuiWindow*>(KApplication::kApplication()->activeWindow());
+    if (topLevel)
+        topLevel->guiFactory()->addClient(view);
+}
+
+void ScriptWidget::Private::unfocused(KTextEditor::View* view)
+{
+    KXmlGuiWindow* topLevel = qobject_cast<KXmlGuiWindow*>(KApplication::kApplication()->activeWindow());
+    QWidget* focused = KApplication::focusWidget();
+    // FIXME: Does this fail with non-Kate KTextEditor implementations?
+    if (topLevel && focused && ((focused->metaObject()->className() != QString("KateViewInternal")) || ((focused != view) && (QString(focused->metaObject()->className()) == view->metaObject()->className()))))
+        topLevel->guiFactory()->removeClient(view);
+}
+
+void ScriptWidget::Private::setGui()
+{
+    ui_interpreter->setCurrentIndex(m_languages.values().indexOf(m_value.interpreter()));
+    if (m_document)
+    {
+        m_document->setHighlightingMode(ui_interpreter->currentText());
+        KTextEditor::Cursor cursor = ui_kteEdit->cursorPosition();
+        m_document->setText(m_value.script());
+        ui_kteEdit->setCursorPosition(cursor);
+    }
+    else
+    {
+        QTextCursor cursor = ui_simpleEdit->textCursor();
+        ui_simpleEdit->setPlainText(m_value.script());
+        ui_simpleEdit->setTextCursor(cursor);
+    }
+}