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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#pragma once
#include "jucer_DocumentEditorComponent.h"
//==============================================================================
class SourceCodeDocument : public OpenDocumentManager::Document
{
public:
SourceCodeDocument (Project*, const File&);
bool loadedOk() const override { return true; }
bool isForFile (const File& file) const override { return getFile() == file; }
bool isForNode (const ValueTree&) const override { return false; }
bool refersToProject (Project& p) const override { return project == &p; }
Project* getProject() const override { return project; }
String getName() const override { return getFile().getFileName(); }
String getType() const override { return getFile().getFileExtension() + " file"; }
File getFile() const override { return modDetector.getFile(); }
bool needsSaving() const override { return codeDoc != nullptr && codeDoc->hasChangedSinceSavePoint(); }
bool hasFileBeenModifiedExternally() override { return modDetector.hasBeenModified(); }
void fileHasBeenRenamed (const File& newFile) override { modDetector.fileHasBeenRenamed (newFile); }
String getState() const override { return lastState != nullptr ? lastState->toString() : String(); }
void restoreState (const String& state) override { lastState.reset (new CodeEditorComponent::State (state)); }
File getCounterpartFile() const override
{
auto file = getFile();
if (file.hasFileExtension (sourceFileExtensions))
{
static const char* extensions[] = { "h", "hpp", "hxx", "hh", nullptr };
return findCounterpart (file, extensions);
}
if (file.hasFileExtension (headerFileExtensions))
{
static const char* extensions[] = { "cpp", "mm", "cc", "cxx", "c", "m", nullptr };
return findCounterpart (file, extensions);
}
return {};
}
static File findCounterpart (const File& file, const char** extensions)
{
while (*extensions != nullptr)
{
auto f = file.withFileExtension (*extensions++);
if (f.existsAsFile())
return f;
}
return {};
}
void reloadFromFile() override;
bool save() override;
bool saveAs() override;
Component* createEditor() override;
Component* createViewer() override { return createEditor(); }
void updateLastState (CodeEditorComponent&);
void applyLastState (CodeEditorComponent&) const;
CodeDocument& getCodeDocument();
//==============================================================================
struct Type : public OpenDocumentManager::DocumentType
{
bool canOpenFile (const File& file) override
{
if (file.hasFileExtension (sourceOrHeaderFileExtensions)
|| file.hasFileExtension ("txt;inc;tcc;xml;plist;rtf;html;htm;php;py;rb;cs"))
return true;
MemoryBlock mb;
if (file.loadFileAsData (mb)
&& seemsToBeText (static_cast<const char*> (mb.getData()), (int) mb.getSize())
&& ! file.hasFileExtension ("svg"))
return true;
return false;
}
static bool seemsToBeText (const char* const chars, const int num) noexcept
{
for (int i = 0; i < num; ++i)
{
const char c = chars[i];
if ((c < 32 && c != '\t' && c != '\r' && c != '\n') || chars[i] > 126)
return false;
}
return true;
}
Document* openFile (Project* p, const File& file) override { return new SourceCodeDocument (p, file); }
};
protected:
FileModificationDetector modDetector;
std::unique_ptr<CodeDocument> codeDoc;
Project* project;
std::unique_ptr<CodeEditorComponent::State> lastState;
void reloadInternal();
};
class GenericCodeEditorComponent;
//==============================================================================
class SourceCodeEditor : public DocumentEditorComponent,
private ValueTree::Listener,
private CodeDocument::Listener
{
public:
SourceCodeEditor (OpenDocumentManager::Document*, CodeDocument&);
SourceCodeEditor (OpenDocumentManager::Document*, GenericCodeEditorComponent*);
~SourceCodeEditor();
void scrollToKeepRangeOnScreen (Range<int> range);
void highlight (Range<int> range, bool cursorAtStart);
std::unique_ptr<GenericCodeEditorComponent> editor;
private:
void resized() override;
void lookAndFeelChanged() override;
void valueTreePropertyChanged (ValueTree&, const Identifier&) override;
void valueTreeChildAdded (ValueTree&, ValueTree&) override;
void valueTreeChildRemoved (ValueTree&, ValueTree&, int) override;
void valueTreeChildOrderChanged (ValueTree&, int, int) override;
void valueTreeParentChanged (ValueTree&) override;
void valueTreeRedirected (ValueTree&) override;
void codeDocumentTextInserted (const String&, int) override;
void codeDocumentTextDeleted (int, int) override;
void setEditor (GenericCodeEditorComponent*);
void updateColourScheme();
void checkSaveState();
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SourceCodeEditor)
};
//==============================================================================
class GenericCodeEditorComponent : public CodeEditorComponent
{
public:
GenericCodeEditorComponent (const File&, CodeDocument&, CodeTokeniser*);
~GenericCodeEditorComponent();
void addPopupMenuItems (PopupMenu&, const MouseEvent*) override;
void performPopupMenuAction (int menuItemID) override;
void getAllCommands (Array<CommandID>&) override;
void getCommandInfo (CommandID, ApplicationCommandInfo&) override;
bool perform (const InvocationInfo&) override;
void showFindPanel();
void hideFindPanel();
void findSelection();
void findNext (bool forwards, bool skipCurrentSelection);
void handleEscapeKey() override;
void editorViewportPositionChanged() override;
void resized() override;
static String getSearchString() { return getAppSettings().getGlobalProperties().getValue ("searchString"); }
static void setSearchString (const String& s) { getAppSettings().getGlobalProperties().setValue ("searchString", s); }
static bool isCaseSensitiveSearch() { return getAppSettings().getGlobalProperties().getBoolValue ("searchCaseSensitive"); }
static void setCaseSensitiveSearch (bool b) { getAppSettings().getGlobalProperties().setValue ("searchCaseSensitive", b); }
struct Listener
{
virtual ~Listener() {}
virtual void codeEditorViewportMoved (CodeEditorComponent&) = 0;
};
void addListener (Listener* listener);
void removeListener (Listener* listener);
private:
File file;
class FindPanel;
std::unique_ptr<FindPanel> findPanel;
ListenerList<Listener> listeners;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (GenericCodeEditorComponent)
};
//==============================================================================
class CppCodeEditorComponent : public GenericCodeEditorComponent
{
public:
CppCodeEditorComponent (const File&, CodeDocument&);
~CppCodeEditorComponent();
void addPopupMenuItems (PopupMenu&, const MouseEvent*) override;
void performPopupMenuAction (int menuItemID) override;
void handleReturnKey() override;
void insertTextAtCaret (const String& newText) override;
private:
void insertComponentClass();
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CppCodeEditorComponent)
};
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