public void register( int modifiers, int keyCode, AppCommand command, String groupName, String title, String disableModes) { if (!BrowseCap.hasMetaKey() && (modifiers & KeyboardShortcut.META) != 0) return; register(new KeySequence(keyCode, modifiers), command, groupName, title, disableModes); }
public void onKeyDown(KeyDownEvent event) { int keyCode = event.getNativeKeyCode(); for (KeyDownPreviewHandler handler : keyDownPreviewHandlers_) { if (handler.previewKeyDown(event.getNativeEvent())) { event.preventDefault(); event.stopPropagation(); return; } } if (event.getNativeKeyCode() == KeyCodes.KEY_TAB) event.preventDefault(); int modifiers = KeyboardShortcut.getModifierValue(event.getNativeEvent()); if (event.isUpArrow() && modifiers == 0) { if ((input_.getCurrentLineNum() == 0) || input_.isCursorAtEnd()) { event.preventDefault(); event.stopPropagation(); navigateHistory(-1); } } else if (event.isDownArrow() && modifiers == 0) { if ((input_.getCurrentLineNum() == input_.getCurrentLineCount() - 1) || input_.isCursorAtEnd()) { event.preventDefault(); event.stopPropagation(); navigateHistory(1); } } else if (keyCode == KeyCodes.KEY_ENTER && modifiers == 0) { event.preventDefault(); event.stopPropagation(); restoreFocus_ = true; processCommandEntry(); } else if (keyCode == KeyCodes.KEY_ESCAPE && modifiers == 0) { event.preventDefault(); if (input_.getText().length() == 0) { // view_.isPromptEmpty() is to check for cases where the // server is prompting but not at the top level. Escape // needs to send null in those cases. // For example, try "scan()" function if (view_.isPromptEmpty()) { // interrupt server server_.interrupt( new VoidServerRequestCallback() { @Override public void onError(ServerError error) { super.onError(error); globalDisplay_.showErrorMessage( "Error Interrupting Server", error.getUserMessage()); } }); } else { // if the input is already empty then send a console reset // which will jump us back to the main prompt eventBus_.fireEvent(new ConsoleInputEvent(null)); } } input_.clear(); } else { int mod = KeyboardShortcut.getModifierValue(event.getNativeEvent()); if (mod == KeyboardShortcut.CTRL) { switch (keyCode) { case 'L': Shell.this.onConsoleClear(); event.preventDefault(); break; } } else if (mod == KeyboardShortcut.ALT) { switch (keyCode) { case 189: // hyphen event.preventDefault(); event.stopPropagation(); input_.replaceSelection(" <- ", true); break; } } else if ((BrowseCap.hasMetaKey() && (mod == (KeyboardShortcut.META + KeyboardShortcut.SHIFT))) || (!BrowseCap.hasMetaKey() && (mod == (KeyboardShortcut.CTRL + KeyboardShortcut.SHIFT)))) { switch (keyCode) { case KeyCodes.KEY_M: event.preventDefault(); event.stopPropagation(); input_.replaceSelection(" %>% ", true); break; } } } }