mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
662 lines
21 KiB
C++
662 lines
21 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#include "../Application/jucer_Headers.h"
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#include "jucer_SourceCodeEditor.h"
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#include "../Application/jucer_Application.h"
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//==============================================================================
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SourceCodeDocument::SourceCodeDocument (Project* p, const File& f)
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: modDetector (f), project (p)
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{
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}
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CodeDocument& SourceCodeDocument::getCodeDocument()
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{
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if (codeDoc == nullptr)
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{
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codeDoc.reset (new CodeDocument());
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reloadInternal();
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codeDoc->clearUndoHistory();
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}
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return *codeDoc;
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}
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Component* SourceCodeDocument::createEditor()
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{
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auto* e = new SourceCodeEditor (this, getCodeDocument());
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applyLastState (*(e->editor));
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return e;
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}
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void SourceCodeDocument::reloadFromFile()
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{
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getCodeDocument();
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reloadInternal();
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}
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void SourceCodeDocument::reloadInternal()
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{
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jassert (codeDoc != nullptr);
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modDetector.updateHash();
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codeDoc->applyChanges (getFile().loadFileAsString());
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codeDoc->setSavePoint();
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}
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static bool writeCodeDocToFile (const File& file, CodeDocument& doc)
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{
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TemporaryFile temp (file);
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{
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FileOutputStream fo (temp.getFile());
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if (! (fo.openedOk() && doc.writeToStream (fo)))
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return false;
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}
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return temp.overwriteTargetFileWithTemporary();
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}
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bool SourceCodeDocument::save()
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{
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if (writeCodeDocToFile (getFile(), getCodeDocument()))
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{
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getCodeDocument().setSavePoint();
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modDetector.updateHash();
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return true;
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}
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return false;
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}
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bool SourceCodeDocument::saveAs()
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{
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FileChooser fc (TRANS("Save As..."), getFile(), "*");
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if (! fc.browseForFileToSave (true))
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return true;
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return writeCodeDocToFile (fc.getResult(), getCodeDocument());
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}
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void SourceCodeDocument::updateLastState (CodeEditorComponent& editor)
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{
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lastState.reset (new CodeEditorComponent::State (editor));
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}
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void SourceCodeDocument::applyLastState (CodeEditorComponent& editor) const
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{
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if (lastState != nullptr)
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lastState->restoreState (editor);
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}
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//==============================================================================
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SourceCodeEditor::SourceCodeEditor (OpenDocumentManager::Document* doc, CodeDocument& codeDocument)
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: DocumentEditorComponent (doc)
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{
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GenericCodeEditorComponent* ed = nullptr;
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const File file (document->getFile());
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if (fileNeedsCppSyntaxHighlighting (file))
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{
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ed = new CppCodeEditorComponent (file, codeDocument);
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}
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else
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{
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CodeTokeniser* tokeniser = nullptr;
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if (file.hasFileExtension ("xml;svg"))
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{
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static XmlTokeniser xmlTokeniser;
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tokeniser = &xmlTokeniser;
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}
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if (file.hasFileExtension ("lua"))
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{
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static LuaTokeniser luaTokeniser;
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tokeniser = &luaTokeniser;
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}
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ed = new GenericCodeEditorComponent (file, codeDocument, tokeniser);
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}
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setEditor (ed);
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}
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SourceCodeEditor::SourceCodeEditor (OpenDocumentManager::Document* doc, GenericCodeEditorComponent* ed)
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: DocumentEditorComponent (doc)
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{
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setEditor (ed);
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}
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SourceCodeEditor::~SourceCodeEditor()
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{
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if (editor != nullptr)
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editor->getDocument().removeListener (this);
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getAppSettings().appearance.settings.removeListener (this);
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if (SourceCodeDocument* doc = dynamic_cast<SourceCodeDocument*> (getDocument()))
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doc->updateLastState (*editor);
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}
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void SourceCodeEditor::setEditor (GenericCodeEditorComponent* newEditor)
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{
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if (editor != nullptr)
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editor->getDocument().removeListener (this);
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editor.reset (newEditor);
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addAndMakeVisible (newEditor);
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editor->setFont (AppearanceSettings::getDefaultCodeFont());
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editor->setTabSize (4, true);
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updateColourScheme();
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getAppSettings().appearance.settings.addListener (this);
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editor->getDocument().addListener (this);
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}
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void SourceCodeEditor::scrollToKeepRangeOnScreen (Range<int> range)
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{
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const int space = jmin (10, editor->getNumLinesOnScreen() / 3);
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const CodeDocument::Position start (editor->getDocument(), range.getStart());
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const CodeDocument::Position end (editor->getDocument(), range.getEnd());
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editor->scrollToKeepLinesOnScreen (Range<int> (start.getLineNumber() - space, end.getLineNumber() + space));
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}
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void SourceCodeEditor::highlight (Range<int> range, bool cursorAtStart)
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{
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scrollToKeepRangeOnScreen (range);
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if (cursorAtStart)
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{
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editor->moveCaretTo (CodeDocument::Position (editor->getDocument(), range.getEnd()), false);
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editor->moveCaretTo (CodeDocument::Position (editor->getDocument(), range.getStart()), true);
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}
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else
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{
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editor->setHighlightedRegion (range);
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}
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}
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void SourceCodeEditor::resized()
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{
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editor->setBounds (getLocalBounds());
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}
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void SourceCodeEditor::updateColourScheme()
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{
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getAppSettings().appearance.applyToCodeEditor (*editor);
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}
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void SourceCodeEditor::checkSaveState()
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{
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setEditedState (getDocument()->needsSaving());
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}
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void SourceCodeEditor::lookAndFeelChanged()
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{
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updateColourScheme();
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}
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void SourceCodeEditor::valueTreePropertyChanged (ValueTree&, const Identifier&) { updateColourScheme(); }
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void SourceCodeEditor::valueTreeChildAdded (ValueTree&, ValueTree&) { updateColourScheme(); }
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void SourceCodeEditor::valueTreeChildRemoved (ValueTree&, ValueTree&, int) { updateColourScheme(); }
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void SourceCodeEditor::valueTreeChildOrderChanged (ValueTree&, int, int) { updateColourScheme(); }
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void SourceCodeEditor::valueTreeParentChanged (ValueTree&) { updateColourScheme(); }
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void SourceCodeEditor::valueTreeRedirected (ValueTree&) { updateColourScheme(); }
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void SourceCodeEditor::codeDocumentTextInserted (const String&, int) { checkSaveState(); }
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void SourceCodeEditor::codeDocumentTextDeleted (int, int) { checkSaveState(); }
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//==============================================================================
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GenericCodeEditorComponent::GenericCodeEditorComponent (const File& f, CodeDocument& codeDocument,
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CodeTokeniser* tokeniser)
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: CodeEditorComponent (codeDocument, tokeniser), file (f)
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{
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setScrollbarThickness (6);
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setCommandManager (&ProjucerApplication::getCommandManager());
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}
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GenericCodeEditorComponent::~GenericCodeEditorComponent() {}
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enum
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{
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showInFinderID = 0x2fe821e3,
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insertComponentID = 0x2fe821e4
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};
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void GenericCodeEditorComponent::addPopupMenuItems (PopupMenu& menu, const MouseEvent* e)
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{
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menu.addItem (showInFinderID,
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#if JUCE_MAC
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"Reveal " + file.getFileName() + " in Finder");
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#else
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"Reveal " + file.getFileName() + " in Explorer");
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#endif
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menu.addSeparator();
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CodeEditorComponent::addPopupMenuItems (menu, e);
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}
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void GenericCodeEditorComponent::performPopupMenuAction (int menuItemID)
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{
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if (menuItemID == showInFinderID)
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file.revealToUser();
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else
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CodeEditorComponent::performPopupMenuAction (menuItemID);
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}
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void GenericCodeEditorComponent::getAllCommands (Array <CommandID>& commands)
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{
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CodeEditorComponent::getAllCommands (commands);
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const CommandID ids[] = { CommandIDs::showFindPanel,
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CommandIDs::findSelection,
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CommandIDs::findNext,
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CommandIDs::findPrevious };
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commands.addArray (ids, numElementsInArray (ids));
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}
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void GenericCodeEditorComponent::getCommandInfo (const CommandID commandID, ApplicationCommandInfo& result)
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{
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const bool anythingSelected = isHighlightActive();
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switch (commandID)
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{
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case CommandIDs::showFindPanel:
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result.setInfo (TRANS ("Find"), TRANS ("Searches for text in the current document."), "Editing", 0);
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result.defaultKeypresses.add (KeyPress ('f', ModifierKeys::commandModifier, 0));
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break;
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case CommandIDs::findSelection:
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result.setInfo (TRANS ("Find Selection"), TRANS ("Searches for the currently selected text."), "Editing", 0);
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result.setActive (anythingSelected);
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result.defaultKeypresses.add (KeyPress ('l', ModifierKeys::commandModifier, 0));
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break;
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case CommandIDs::findNext:
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result.setInfo (TRANS ("Find Next"), TRANS ("Searches for the next occurrence of the current search-term."), "Editing", 0);
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result.defaultKeypresses.add (KeyPress ('g', ModifierKeys::commandModifier, 0));
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break;
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case CommandIDs::findPrevious:
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result.setInfo (TRANS ("Find Previous"), TRANS ("Searches for the previous occurrence of the current search-term."), "Editing", 0);
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result.defaultKeypresses.add (KeyPress ('g', ModifierKeys::commandModifier | ModifierKeys::shiftModifier, 0));
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result.defaultKeypresses.add (KeyPress ('d', ModifierKeys::commandModifier, 0));
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break;
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default:
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CodeEditorComponent::getCommandInfo (commandID, result);
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break;
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}
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}
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bool GenericCodeEditorComponent::perform (const InvocationInfo& info)
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{
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switch (info.commandID)
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{
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case CommandIDs::showFindPanel: showFindPanel(); return true;
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case CommandIDs::findSelection: findSelection(); return true;
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case CommandIDs::findNext: findNext (true, true); return true;
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case CommandIDs::findPrevious: findNext (false, false); return true;
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default: break;
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}
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return CodeEditorComponent::perform (info);
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}
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void GenericCodeEditorComponent::addListener (GenericCodeEditorComponent::Listener* listener)
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{
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listeners.add (listener);
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}
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void GenericCodeEditorComponent::removeListener (GenericCodeEditorComponent::Listener* listener)
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{
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listeners.remove (listener);
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}
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//==============================================================================
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class GenericCodeEditorComponent::FindPanel : public Component,
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private TextEditor::Listener
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{
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public:
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FindPanel()
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: caseButton ("Case-sensitive"),
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findPrev ("<"),
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findNext (">")
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{
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editor.setColour (CaretComponent::caretColourId, Colours::black);
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addAndMakeVisible (editor);
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label.setText ("Find:", dontSendNotification);
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label.setColour (Label::textColourId, Colours::white);
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label.attachToComponent (&editor, false);
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addAndMakeVisible (caseButton);
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caseButton.setColour (ToggleButton::textColourId, Colours::white);
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caseButton.setToggleState (isCaseSensitiveSearch(), dontSendNotification);
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caseButton.onClick = [this] { setCaseSensitiveSearch (caseButton.getToggleState()); };
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findPrev.setConnectedEdges (Button::ConnectedOnRight);
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findNext.setConnectedEdges (Button::ConnectedOnLeft);
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addAndMakeVisible (findPrev);
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addAndMakeVisible (findNext);
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setWantsKeyboardFocus (false);
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setFocusContainer (true);
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findPrev.setWantsKeyboardFocus (false);
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findNext.setWantsKeyboardFocus (false);
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editor.setText (getSearchString());
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editor.addListener (this);
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}
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void setCommandManager (ApplicationCommandManager* cm)
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{
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findPrev.setCommandToTrigger (cm, CommandIDs::findPrevious, true);
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findNext.setCommandToTrigger (cm, CommandIDs::findNext, true);
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}
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void paint (Graphics& g) override
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{
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Path outline;
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outline.addRoundedRectangle (1.0f, 1.0f, getWidth() - 2.0f, getHeight() - 2.0f, 8.0f);
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g.setColour (Colours::black.withAlpha (0.6f));
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g.fillPath (outline);
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g.setColour (Colours::white.withAlpha (0.8f));
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g.strokePath (outline, PathStrokeType (1.0f));
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}
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void resized() override
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{
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int y = 30;
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editor.setBounds (10, y, getWidth() - 20, 24);
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y += 30;
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caseButton.setBounds (10, y, getWidth() / 2 - 10, 22);
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findNext.setBounds (getWidth() - 40, y, 30, 22);
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findPrev.setBounds (getWidth() - 70, y, 30, 22);
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}
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void textEditorTextChanged (TextEditor&) override
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{
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setSearchString (editor.getText());
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if (GenericCodeEditorComponent* ed = getOwner())
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ed->findNext (true, false);
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}
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void textEditorFocusLost (TextEditor&) override {}
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void textEditorReturnKeyPressed (TextEditor&) override
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{
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ProjucerApplication::getCommandManager().invokeDirectly (CommandIDs::findNext, true);
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}
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void textEditorEscapeKeyPressed (TextEditor&) override
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{
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if (GenericCodeEditorComponent* ed = getOwner())
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ed->hideFindPanel();
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}
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GenericCodeEditorComponent* getOwner() const
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{
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return findParentComponentOfClass <GenericCodeEditorComponent>();
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}
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TextEditor editor;
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Label label;
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ToggleButton caseButton;
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TextButton findPrev, findNext;
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};
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void GenericCodeEditorComponent::resized()
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{
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CodeEditorComponent::resized();
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if (findPanel != nullptr)
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{
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findPanel->setSize (jmin (260, getWidth() - 32), 100);
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findPanel->setTopRightPosition (getWidth() - 16, 8);
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}
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}
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void GenericCodeEditorComponent::showFindPanel()
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{
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if (findPanel == nullptr)
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{
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findPanel.reset (new FindPanel());
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findPanel->setCommandManager (&ProjucerApplication::getCommandManager());
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addAndMakeVisible (findPanel.get());
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resized();
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}
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if (findPanel != nullptr)
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{
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findPanel->editor.grabKeyboardFocus();
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findPanel->editor.selectAll();
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}
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}
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void GenericCodeEditorComponent::hideFindPanel()
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{
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findPanel.reset();
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}
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void GenericCodeEditorComponent::findSelection()
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{
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const String selected (getTextInRange (getHighlightedRegion()));
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if (selected.isNotEmpty())
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{
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setSearchString (selected);
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findNext (true, true);
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}
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}
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void GenericCodeEditorComponent::findNext (bool forwards, bool skipCurrentSelection)
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{
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const Range<int> highlight (getHighlightedRegion());
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const CodeDocument::Position startPos (getDocument(), skipCurrentSelection ? highlight.getEnd()
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: highlight.getStart());
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int lineNum = startPos.getLineNumber();
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int linePos = startPos.getIndexInLine();
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const int totalLines = getDocument().getNumLines();
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const String searchText (getSearchString());
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const bool caseSensitive = isCaseSensitiveSearch();
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for (int linesToSearch = totalLines; --linesToSearch >= 0;)
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{
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String line (getDocument().getLine (lineNum));
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int index;
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if (forwards)
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{
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index = caseSensitive ? line.indexOf (linePos, searchText)
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: line.indexOfIgnoreCase (linePos, searchText);
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}
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else
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{
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if (linePos >= 0)
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line = line.substring (0, linePos);
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index = caseSensitive ? line.lastIndexOf (searchText)
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: line.lastIndexOfIgnoreCase (searchText);
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}
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if (index >= 0)
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{
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const CodeDocument::Position p (getDocument(), lineNum, index);
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selectRegion (p, p.movedBy (searchText.length()));
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break;
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}
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if (forwards)
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{
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linePos = 0;
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lineNum = (lineNum + 1) % totalLines;
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}
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else
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{
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if (--lineNum < 0)
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lineNum = totalLines - 1;
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linePos = -1;
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}
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}
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}
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void GenericCodeEditorComponent::handleEscapeKey()
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{
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CodeEditorComponent::handleEscapeKey();
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hideFindPanel();
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}
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void GenericCodeEditorComponent::editorViewportPositionChanged()
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{
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CodeEditorComponent::editorViewportPositionChanged();
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listeners.call ([this] (Listener& l) { l.codeEditorViewportMoved (*this); });
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}
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//==============================================================================
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static CPlusPlusCodeTokeniser cppTokeniser;
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CppCodeEditorComponent::CppCodeEditorComponent (const File& f, CodeDocument& doc)
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: GenericCodeEditorComponent (f, doc, &cppTokeniser)
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{
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}
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CppCodeEditorComponent::~CppCodeEditorComponent() {}
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void CppCodeEditorComponent::handleReturnKey()
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{
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GenericCodeEditorComponent::handleReturnKey();
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CodeDocument::Position pos (getCaretPos());
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String blockIndent, lastLineIndent;
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CodeHelpers::getIndentForCurrentBlock (pos, getTabString (getTabSize()), blockIndent, lastLineIndent);
|
|
|
|
const String remainderOfBrokenLine (pos.getLineText());
|
|
const int numLeadingWSChars = CodeHelpers::getLeadingWhitespace (remainderOfBrokenLine).length();
|
|
|
|
if (numLeadingWSChars > 0)
|
|
getDocument().deleteSection (pos, pos.movedBy (numLeadingWSChars));
|
|
|
|
if (remainderOfBrokenLine.trimStart().startsWithChar ('}'))
|
|
insertTextAtCaret (blockIndent);
|
|
else
|
|
insertTextAtCaret (lastLineIndent);
|
|
|
|
const String previousLine (pos.movedByLines (-1).getLineText());
|
|
const String trimmedPreviousLine (previousLine.trim());
|
|
|
|
if ((trimmedPreviousLine.startsWith ("if ")
|
|
|| trimmedPreviousLine.startsWith ("if(")
|
|
|| trimmedPreviousLine.startsWith ("for ")
|
|
|| trimmedPreviousLine.startsWith ("for(")
|
|
|| trimmedPreviousLine.startsWith ("while(")
|
|
|| trimmedPreviousLine.startsWith ("while "))
|
|
&& trimmedPreviousLine.endsWithChar (')'))
|
|
{
|
|
insertTabAtCaret();
|
|
}
|
|
}
|
|
|
|
void CppCodeEditorComponent::insertTextAtCaret (const String& newText)
|
|
{
|
|
if (getHighlightedRegion().isEmpty())
|
|
{
|
|
const CodeDocument::Position pos (getCaretPos());
|
|
|
|
if ((newText == "{" || newText == "}")
|
|
&& pos.getLineNumber() > 0
|
|
&& pos.getLineText().trim().isEmpty())
|
|
{
|
|
moveCaretToStartOfLine (true);
|
|
|
|
String blockIndent, lastLineIndent;
|
|
if (CodeHelpers::getIndentForCurrentBlock (pos, getTabString (getTabSize()), blockIndent, lastLineIndent))
|
|
{
|
|
GenericCodeEditorComponent::insertTextAtCaret (blockIndent);
|
|
|
|
if (newText == "{")
|
|
insertTabAtCaret();
|
|
}
|
|
}
|
|
}
|
|
|
|
GenericCodeEditorComponent::insertTextAtCaret (newText);
|
|
}
|
|
|
|
void CppCodeEditorComponent::addPopupMenuItems (PopupMenu& menu, const MouseEvent* e)
|
|
{
|
|
GenericCodeEditorComponent::addPopupMenuItems (menu, e);
|
|
|
|
menu.addSeparator();
|
|
menu.addItem (insertComponentID, TRANS("Insert code for a new Component class..."));
|
|
}
|
|
|
|
void CppCodeEditorComponent::performPopupMenuAction (int menuItemID)
|
|
{
|
|
if (menuItemID == insertComponentID)
|
|
insertComponentClass();
|
|
|
|
GenericCodeEditorComponent::performPopupMenuAction (menuItemID);
|
|
}
|
|
|
|
void CppCodeEditorComponent::insertComponentClass()
|
|
{
|
|
AlertWindow aw (TRANS ("Insert a new Component class"),
|
|
TRANS ("Please enter a name for the new class"),
|
|
AlertWindow::NoIcon, nullptr);
|
|
|
|
const char* classNameField = "Class Name";
|
|
|
|
aw.addTextEditor (classNameField, String(), String(), false);
|
|
aw.addButton (TRANS ("Insert Code"), 1, KeyPress (KeyPress::returnKey));
|
|
aw.addButton (TRANS ("Cancel"), 0, KeyPress (KeyPress::escapeKey));
|
|
|
|
while (aw.runModalLoop() != 0)
|
|
{
|
|
const String className (aw.getTextEditorContents (classNameField).trim());
|
|
|
|
if (className == CodeHelpers::makeValidIdentifier (className, false, true, false))
|
|
{
|
|
String code (BinaryData::jucer_InlineComponentTemplate_h);
|
|
code = code.replace ("COMPONENTCLASS", className);
|
|
|
|
insertTextAtCaret (code);
|
|
break;
|
|
}
|
|
}
|
|
}
|