Feature: Changeable ExtraKeysView
This commit is contained in:
zt515
@ -10,6 +10,9 @@ import android.widget.Button;
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import android.widget.GridLayout;
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import android.widget.ToggleButton;
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import java.util.ArrayList;
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import java.util.List;
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import io.neoterm.R;
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import io.neoterm.backend.TerminalSession;
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@ -18,16 +21,88 @@ import io.neoterm.backend.TerminalSession;
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* keyboard.
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*/
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public final class ExtraKeysView extends GridLayout {
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public static abstract class ExtraButton implements OnClickListener {
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public String buttonText;
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@Override
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public abstract void onClick(View view);
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}
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public static class ControlButton extends ExtraButton {
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public ControlButton(String text) {
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buttonText = text;
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}
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@Override
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public void onClick(View view) {
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ExtraKeysView.sendKey(view, buttonText);
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}
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}
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public static class TextButton extends ExtraButton {
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public TextButton(String text) {
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buttonText = text;
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}
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@Override
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public void onClick(View view) {
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ExtraKeysView.sendKey(view, buttonText);
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}
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}
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public static class StatedControlButton extends ControlButton {
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public ToggleButton toggleButton;
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public StatedControlButton(String text) {
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super(text);
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}
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@Override
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public void onClick(View view) {
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toggleButton.setChecked(toggleButton.isChecked());
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toggleButton.setTextColor(toggleButton.isChecked() ? 0xFF80DEEA : TEXT_COLOR);
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}
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public boolean readState() {
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if (toggleButton.isPressed()) return true;
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boolean result = toggleButton.isChecked();
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if (result) {
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toggleButton.setChecked(false);
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toggleButton.setTextColor(TEXT_COLOR);
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}
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return result;
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}
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}
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public static final ControlButton ESC = new ControlButton("ESC");
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public static final ControlButton TAB = new ControlButton("TAB");
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public static final StatedControlButton CTRL = new StatedControlButton("CTRL");
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public static final StatedControlButton ALT = new StatedControlButton("ALT");
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public static final StatedControlButton FN = new StatedControlButton("FN");
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public static final ControlButton ARROW_UP = new ControlButton("▲");
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public static final ControlButton ARROW_DOWN = new ControlButton("▼");
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public static final ControlButton ARROW_LEFT = new ControlButton("◀");
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public static final ControlButton ARROW_RIGHT = new ControlButton("▶");
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public static final TextButton HORIZONTAL = new TextButton("-");
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public static final TextButton SLASH = new TextButton("/");
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public static final TextButton PIPE = new TextButton("|");
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private static final int TEXT_COLOR = 0xFFFFFFFF;
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private List<ExtraButton> extraButtons;
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private List<ExtraButton> externalButtons;
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public ExtraKeysView(Context context, AttributeSet attrs) {
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super(context, attrs);
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externalButtons = new ArrayList<>(3);
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extraButtons = new ArrayList<>();
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resetExternalButtons();
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reload();
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}
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static void sendKey(View view, String keyName) {
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public static void sendKey(View view, String keyName) {
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int keyCode = 0;
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String chars = null;
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switch (keyName) {
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@ -66,112 +141,94 @@ public final class ExtraKeysView extends GridLayout {
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}
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}
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private ToggleButton controlButton;
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private ToggleButton altButton;
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private ToggleButton fnButton;
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public boolean readControlButton() {
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if (controlButton.isPressed()) return true;
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boolean result = controlButton.isChecked();
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if (result) {
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controlButton.setChecked(false);
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controlButton.setTextColor(TEXT_COLOR);
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}
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return result;
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return CTRL.readState();
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}
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public boolean readAltButton() {
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if (altButton.isPressed()) return true;
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boolean result = altButton.isChecked();
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if (result) {
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altButton.setChecked(false);
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altButton.setTextColor(TEXT_COLOR);
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}
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return result;
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return ALT.readState();
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}
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public boolean readFnButton() {
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if (fnButton.isPressed()) return true;
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boolean result = fnButton.isChecked();
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if (result) {
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fnButton.setChecked(false);
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fnButton.setTextColor(TEXT_COLOR);
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}
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return result;
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return FN.readState();
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}
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void reload() {
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altButton = controlButton = null;
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public void addExternalButton(ExtraButton button) {
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externalButtons.add(button);
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}
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public void removeExternalButton(ExtraButton button) {
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externalButtons.remove(button);
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}
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public void clearExternalButton() {
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externalButtons.clear();
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}
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public void resetExternalButtons() {
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clearExternalButton();
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externalButtons.add(HORIZONTAL);
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externalButtons.add(SLASH);
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externalButtons.add(PIPE);
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}
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void loadDefaultButtons(List<ExtraButton> buttons) {
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buttons.add(ESC);
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buttons.add(CTRL);
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buttons.add(ALT);
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buttons.add(TAB);
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}
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void loadExternalButtons(List<ExtraButton> buttons) {
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buttons.addAll(externalButtons);
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}
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public void reload() {
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ALT.toggleButton = CTRL.toggleButton = null;
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removeAllViews();
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String[][] buttons = {
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{"ESC", "CTRL", "ALT", "TAB", "―", "/", "|"}
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};
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extraButtons.clear();
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loadDefaultButtons(extraButtons);
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loadExternalButtons(extraButtons);
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final int rows = buttons.length;
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final int cols = buttons[0].length;
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setRowCount(1);
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setColumnCount(extraButtons.size());
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setRowCount(rows);
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setColumnCount(cols);
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for (int col = 0; col < extraButtons.size(); col++) {
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final ExtraButton extraButton = extraButtons.get(col);
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for (int row = 0; row < rows; row++) {
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for (int col = 0; col < cols; col++) {
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final String buttonText = buttons[row][col];
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Button button;
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switch (buttonText) {
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case "CTRL":
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button = controlButton = new ToggleButton(getContext(), null, android.R.attr.buttonBarButtonStyle);
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button.setClickable(true);
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break;
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case "ALT":
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button = altButton = new ToggleButton(getContext(), null, android.R.attr.buttonBarButtonStyle);
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button.setClickable(true);
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break;
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case "FN":
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button = fnButton = new ToggleButton(getContext(), null, android.R.attr.buttonBarButtonStyle);
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button.setClickable(true);
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break;
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default:
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button = new Button(getContext(), null, android.R.attr.buttonBarButtonStyle);
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break;
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}
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button.setText(buttonText);
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button.setTextColor(TEXT_COLOR);
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final Button finalButton = button;
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button.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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finalButton.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP);
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View root = getRootView();
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switch (buttonText) {
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case "CTRL":
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case "ALT":
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case "FN":
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ToggleButton self = (ToggleButton) finalButton;
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self.setChecked(self.isChecked());
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self.setTextColor(self.isChecked() ? 0xFF80DEEA : TEXT_COLOR);
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break;
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default:
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sendKey(root, buttonText);
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break;
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}
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}
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});
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LayoutParams param = new LayoutParams();
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param.height = param.width = 0;
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param.rightMargin = param.topMargin = 0;
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param.setGravity(Gravity.LEFT);
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float weight = "▲▼◀▶".contains(buttonText) ? 0.7f : 1.f;
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param.columnSpec = GridLayout.spec(col, GridLayout.FILL, weight);
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param.rowSpec = GridLayout.spec(row, GridLayout.FILL, 1.f);
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button.setLayoutParams(param);
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addView(button);
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Button button;
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if (extraButton instanceof StatedControlButton) {
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StatedControlButton btn = ((StatedControlButton) extraButton);
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button = btn.toggleButton = new ToggleButton(getContext(), null, android.R.attr.buttonBarButtonStyle);
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button.setClickable(true);
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} else {
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button = new Button(getContext(), null, android.R.attr.buttonBarButtonStyle);
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}
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button.setText(extraButton.buttonText);
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button.setTextColor(TEXT_COLOR);
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final Button finalButton = button;
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button.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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finalButton.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP);
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View root = getRootView();
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extraButton.onClick(root);
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}
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});
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LayoutParams param = new LayoutParams();
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param.height = param.width = 0;
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param.rightMargin = param.topMargin = 0;
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param.setGravity(Gravity.START);
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float weight = "▲▼◀▶".contains(extraButton.buttonText) ? 0.7f : 1.f;
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param.columnSpec = GridLayout.spec(col, GridLayout.FILL, weight);
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param.rowSpec = GridLayout.spec(0, GridLayout.FILL, 1.f);
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button.setLayoutParams(param);
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addView(button);
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}
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}
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