C++ (Cpp) ScopedPointer::hasBeenDeleted Examples

Example #1

File: juce_FileChooser.cpp Project: christianscheuer/jivemodular

bool FileChooser::showDialog (const bool selectsDirectories,
                              const bool selectsFiles,
                              const bool isSave,
                              const bool warnAboutOverwritingExistingFiles,
                              const bool selectMultipleFiles,
                              FilePreviewComponent* const previewComponent)
{
    ScopedPointer <ComponentDeletionWatcher> currentlyFocusedChecker;
    Component* const currentlyFocused = Component::getCurrentlyFocusedComponent();

    if (currentlyFocused != 0)
        currentlyFocusedChecker = new ComponentDeletionWatcher (currentlyFocused);

    results.clear();

    // the preview component needs to be the right size before you pass it in here..
    jassert (previewComponent == 0 || (previewComponent->getWidth() > 10
                                        && previewComponent->getHeight() > 10));

#if JUCE_WINDOWS
    if (useNativeDialogBox && ! (selectsFiles && selectsDirectories))
#elif JUCE_MAC
    if (useNativeDialogBox && (previewComponent == 0))
#else
    if (false)
#endif
    {
        showPlatformDialog (results, title, startingFile, filters,
                            selectsDirectories, selectsFiles, isSave,
                            warnAboutOverwritingExistingFiles,
                            selectMultipleFiles,
                            previewComponent);
    }
    else
    {
        WildcardFileFilter wildcard (selectsFiles ? filters : String::empty,
                                     selectsDirectories ? "*" : String::empty,
                                     String::empty);

        int flags = isSave ? FileBrowserComponent::saveMode
                           : FileBrowserComponent::openMode;

        if (selectsFiles)
            flags |= FileBrowserComponent::canSelectFiles;

        if (selectsDirectories)
            flags |= FileBrowserComponent::canSelectDirectories;

        if (selectMultipleFiles)
            flags |= FileBrowserComponent::canSelectMultipleItems;

        FileBrowserComponent browserComponent (flags, startingFile, &wildcard, previewComponent);

        FileChooserDialogBox box (title, String::empty,
                                  browserComponent,
                                  warnAboutOverwritingExistingFiles,
                                  browserComponent.findColour (AlertWindow::backgroundColourId));

        if (box.show())
        {
            for (int i = 0; i < browserComponent.getNumSelectedFiles(); ++i)
                results.add (new File (browserComponent.getSelectedFile (i)));
        }
    }

    if (currentlyFocused != 0 && ! currentlyFocusedChecker->hasBeenDeleted())
        currentlyFocused->grabKeyboardFocus();

    return results.size() > 0;
}