Examples with KeyCombination org.rstudio.core.client.command.KeyboardShortcut.KeyCombination used on opensource projects

Example 1 with KeyCombination

use of org.rstudio.core.client.command.KeyboardShortcut.KeyCombination in project rstudio by rstudio.

the class ShortcutManager method handleKeyDown.

private boolean handleKeyDown(NativeEvent event) {
    // generated by Qt when commands executed from menu.
    if (activeEditEventType_ != EditEvent.TYPE_NONE) {
        final int type = activeEditEventType_;
        Scheduler.get().scheduleDeferred(new ScheduledCommand() {

            @Override
            public void execute() {
                events_.fireEvent(new EditEvent(false, type));
            }
        });
        activeEditEventType_ = EditEvent.TYPE_NONE;
        keyBuffer_.clear();
        return false;
    }
    // modal dialogs)
    if (!isEnabled())
        return false;
    // Don't dispatch on bare modifier keypresses.
    if (KeyboardHelper.isModifierKey(event.getKeyCode()))
        return false;
    // practice, this is better than breaking copy + paste everywhere else...
    if (isEditKeyCombination(event)) {
        Element target = Element.as(event.getEventTarget());
        AceEditorNative editor = AceEditorNative.getEditor(target);
        if (editor == null) {
            keyBuffer_.clear();
            return false;
        }
    }
    // Escape key should always clear the keybuffer.
    if (event.getKeyCode() == KeyCodes.KEY_ESCAPE) {
        keyBuffer_.clear();
        return false;
    }
    int keyCode = event.getKeyCode();
    int modifier = KeyboardShortcut.getModifierValue(event);
    // since we have code wired to that expectation
    if (keyCode == 173)
        keyCode = 189;
    KeyCombination keyCombination = new KeyCombination(keyCode, modifier);
    // is focused.
    if (keyCombination.getKeyCode() == KeyCodes.KEY_F && keyCombination.getModifier() == KeyboardShortcut.CTRL) {
        Element target = Element.as(event.getEventTarget());
        AceEditorNative editor = AceEditorNative.getEditor(target);
        if (editor != null && editor.isVimModeOn()) {
            keyBuffer_.clear();
            return false;
        }
    }
    // Bail if this is an ignored key combination.
    if (isIgnoredKeyCombination(keyCombination)) {
        keyBuffer_.clear();
        return false;
    }
    keyBuffer_.add(keyCombination);
    // Loop through all active key maps, and attempt to find an active
    // binding. 'pending' is used to indicate whether there are any bindings
    // following the current state of the keybuffer.
    boolean pending = false;
    for (Map.Entry<KeyMapType, KeyMap> entry : keyMaps_.entrySet()) {
        KeyMap map = entry.getValue();
        CommandBinding binding = map.getActiveBinding(keyBuffer_);
        if (binding != null) {
            keyBuffer_.clear();
            if (XTermWidget.isXTerm(Element.as(event.getEventTarget()))) {
                if (binding.getId() == "consoleClear") {
                    // special case; we expect users will try to use Ctrl+L to
                    // clear the terminal, and don't want that to actually
                    // clear the currently hidden console instead
                    event.stopPropagation();
                    commands_.clearTerminalScrollbackBuffer().execute();
                    return false;
                } else if (binding.getId() == "closeSourceDoc") {
                    // when focus is in the terminal and let terminal see keys
                    return false;
                }
                if (binding.getContext() != AppCommand.Context.Workbench && binding.getContext() != AppCommand.Context.Addin && binding.getContext() != AppCommand.Context.PackageDevelopment) {
                    // Let terminal see the keyboard input and don't execute command.
                    return false;
                }
            }
            event.stopPropagation();
            binding.execute();
            return true;
        }
        if (map.isPrefix(keyBuffer_))
            pending = true;
    }
    if (!(pending || isPrefixForEditor(keyCombination, event)))
        keyBuffer_.clear();
    // 'I', and some other cases)
    if (!keyBuffer_.isEmpty()) {
        KeyCombination keys = keyBuffer_.get(keyBuffer_.size() - 1);
        if (keys.getModifier() == KeyboardShortcut.NONE)
            keyBuffer_.clear();
    }
    return false;
}

Example 2 with KeyCombination

use of org.rstudio.core.client.command.KeyboardShortcut.KeyCombination in project rstudio by rstudio.

the class ShortcutManager method swallowEvents.

private void swallowEvents(Object object) {
    NativeEvent event = (NativeEvent) object;
    // when seeing unhandled keys.
    if (!keyBuffer_.isEmpty()) {
        for (Map.Entry<KeyMapType, KeyMap> entry : keyMaps_.entrySet()) {
            if (entry.getValue().isPrefix(keyBuffer_)) {
                event.stopPropagation();
                event.preventDefault();
                return;
            }
        }
    }
    // Prevent backspace from performing a browser 'back'
    if (DomUtils.preventBackspaceCausingBrowserBack(event))
        return;
    // Suppress save / quit events from reaching the browser
    KeyCombination keys = new KeyCombination(event);
    int keyCode = keys.getKeyCode();
    int modifiers = keys.getModifier();
    boolean isSaveQuitKey = keyCode == KeyCodes.KEY_S || keyCode == KeyCodes.KEY_W;
    boolean isSaveQuitModifier = BrowseCap.isMacintosh() ? modifiers == KeyboardShortcut.META : modifiers == KeyboardShortcut.CTRL;
    if (isSaveQuitKey && isSaveQuitModifier)
        event.preventDefault();
    // Prevent 'Ctrl+Shift+B' (toggle bookmarks)
    boolean isToggleBookmarksModifier = BrowseCap.isMacintosh() ? modifiers == (KeyboardShortcut.SHIFT | KeyboardShortcut.META) : modifiers == (KeyboardShortcut.SHIFT | KeyboardShortcut.CTRL);
    if (keyCode == KeyCodes.KEY_B && isToggleBookmarksModifier)
        event.preventDefault();
}

Example 3 with KeyCombination

use of org.rstudio.core.client.command.KeyboardShortcut.KeyCombination in project rstudio by rstudio.

the class CompletionPopupPanel method registerIgnoredKeys.

private void registerIgnoredKeys() {
    resetIgnoredKeysHandle();
    Set<KeyCombination> keySet = new HashSet<KeyCombination>();
    keySet.add(new KeyCombination(KeyCodes.KEY_N, KeyboardShortcut.CTRL));
    keySet.add(new KeyCombination(KeyCodes.KEY_P, KeyboardShortcut.CTRL));
    handle_ = ShortcutManager.INSTANCE.addIgnoredKeys(keySet);
}