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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/widgets/MenuItem.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/widgets/MenuItem.java | 1045 |
1 files changed, 0 insertions, 1045 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/widgets/MenuItem.java b/bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/widgets/MenuItem.java deleted file mode 100644 index 4ea324fd6a..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/qt/org/eclipse/swt/widgets/MenuItem.java +++ /dev/null @@ -1,1045 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2008 IBM Corporation and others. - * Portion Copyright (c) 2009-2010 compeople AG (http://www.compeople.de). - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - * Compeople AG - QtJambi/Qt based implementation for Windows/Mac OS X/Linux - *******************************************************************************/ -package org.eclipse.swt.widgets; - -import java.util.HashMap; - -import com.trolltech.qt.core.Qt; -import com.trolltech.qt.gui.QAction; -import com.trolltech.qt.gui.QIcon; -import com.trolltech.qt.gui.QKeySequence; -import com.trolltech.qt.gui.QMenu; - -import org.eclipse.swt.SWT; -import org.eclipse.swt.SWTException; -import org.eclipse.swt.events.ArmListener; -import org.eclipse.swt.events.HelpListener; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.graphics.Rectangle; -import org.eclipse.swt.internal.qt.QtSWTConverter; - -/** - * Instances of this class represent a selectable user interface object that - * issues notification when pressed and released. - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>CHECK, CASCADE, PUSH, RADIO, SEPARATOR</dd> - * <dt><b>Events:</b></dt> - * <dd>Arm, Help, Selection</dd> - * </dl> - * <p> - * Note: Only one of the styles CHECK, CASCADE, PUSH, RADIO and SEPARATOR may be - * specified. - * </p> - * <p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/">Sample code and further - * information</a> - * @noextend This class is not intended to be subclassed by clients. - */ - -public class MenuItem extends Item { - private QAction action; - Menu parent, menu; - int id, accelerator, userId; - - private HashMap<Integer, Integer> modifiers = new HashMap<Integer, Integer>(); - private HashMap<Integer, Integer> accelerators = new HashMap<Integer, Integer>(); - - /** - * Constructs a new instance of this class given its parent (which must be a - * <code>Menu</code>) and a style value describing its behavior and - * appearance. The item is added to the end of the items maintained by its - * parent. - * <p> - * The style value is either one of the style constants defined in class - * <code>SWT</code> which is applicable to instances of this class, or must - * be built by <em>bitwise OR</em>'ing together (that is, using the - * <code>int</code> "|" operator) two or more of those <code>SWT</code> - * style constants. The class description lists the style constants that are - * applicable to the class. Style bits are also inherited from superclasses. - * </p> - * - * @param parent - * a menu control which will be the parent of the new instance - * (cannot be null) - * @param style - * the style of control to construct - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the parent</li> - * <li>ERROR_INVALID_SUBCLASS - if this class is not an - * allowed subclass</li> - * </ul> - * - * @see SWT#CHECK - * @see SWT#CASCADE - * @see SWT#PUSH - * @see SWT#RADIO - * @see SWT#SEPARATOR - * @see Widget#checkSubclass - * @see Widget#getStyle - */ - public MenuItem(Menu parent, int style) { - super(parent, checkStyle(style)); - this.parent = parent; - createAction(parent, style, -1); - initializeKeys(); - } - - /** - * Constructs a new instance of this class given its parent (which must be a - * <code>Menu</code>), a style value describing its behavior and appearance, - * and the index at which to place it in the items maintained by its parent. - * <p> - * The style value is either one of the style constants defined in class - * <code>SWT</code> which is applicable to instances of this class, or must - * be built by <em>bitwise OR</em>'ing together (that is, using the - * <code>int</code> "|" operator) two or more of those <code>SWT</code> - * style constants. The class description lists the style constants that are - * applicable to the class. Style bits are also inherited from superclasses. - * </p> - * - * @param parent - * a menu control which will be the parent of the new instance - * (cannot be null) - * @param style - * the style of control to construct - * @param index - * the zero-relative index to store the receiver in its parent - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 - * and the number of elements in the parent (inclusive)</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the parent</li> - * <li>ERROR_INVALID_SUBCLASS - if this class is not an - * allowed subclass</li> - * </ul> - * - * @see SWT#CHECK - * @see SWT#CASCADE - * @see SWT#PUSH - * @see SWT#RADIO - * @see SWT#SEPARATOR - * @see Widget#checkSubclass - * @see Widget#getStyle - */ - public MenuItem(Menu parent, int style, int index) { - super(parent, checkStyle(style)); - this.parent = parent; - createAction(parent, style, index); - initializeKeys(); - } - - MenuItem(Menu parent, Menu menu, int style, int index) { - super(parent, checkStyle(style)); - this.parent = parent; - this.menu = menu; - if (menu != null) { - menu.cascade = this; - } - display.addMenuItem(this); - initializeKeys(); - } - - protected void createAction(Menu parent, int style, int index) { - action = new QAction(parent.getQWidget()); - - parent.addAction(action, index); - int bits = SWT.CHECK | SWT.RADIO | SWT.PUSH | SWT.SEPARATOR; - switch (style & bits) { - case SWT.SEPARATOR: - action.setSeparator(true); - break; - case SWT.RADIO: - action.setCheckable(true); - parent.addToActionGroup(action); - break; - case SWT.CHECK: - action.setCheckable(true); - break; - case SWT.PUSH: - default: - break; - } - connectSignals(); - display.addControl(action, this); - } - - QAction getQAction() { - return action; - } - - protected void connectSignals() { - if ((style & SWT.CASCADE) == 0) { - getQAction().triggered.connect(this, "triggerEvent(boolean)");//$NON-NLS-1$ - } - getQAction().hovered.connect(this, "hoverEvent()");//$NON-NLS-1$ - } - - protected void triggerEvent(boolean triggered) { - Event event = new Event(); - sendEvent(SWT.Selection, event); - } - - protected void hoverEvent() { - sendEvent(SWT.Arm); - } - - /** - * Initialize the hashmaps with the SWT keys mapping to QT keys. This is - * needed for the accelerator. - */ - private void initializeKeys() { - - modifiers.put(SWT.CTRL, Qt.Modifier.CTRL.value()); // 262144, 67108864 - modifiers.put(SWT.MOD1, Qt.Modifier.CTRL.value()); // 262144, 67108864 - modifiers.put(SWT.SHIFT, Qt.Modifier.SHIFT.value()); - modifiers.put(SWT.MOD2, Qt.Modifier.SHIFT.value()); - modifiers.put(SWT.ALT, Qt.Modifier.ALT.value()); - - accelerators.put(SWT.ARROW_DOWN, Qt.Key.Key_Down.value()); // 16777218 - accelerators.put(SWT.ARROW_LEFT, Qt.Key.Key_Left.value()); // 16777219 - accelerators.put(SWT.ARROW_RIGHT, Qt.Key.Key_Right.value()); // 16777220 - accelerators.put(SWT.ARROW_UP, Qt.Key.Key_Up.value()); // 16777217 - accelerators.put(SWT.F1, Qt.Key.Key_F1.value()); // 16777226 - accelerators.put(SWT.F2, Qt.Key.Key_F2.value()); - accelerators.put(SWT.F3, Qt.Key.Key_F3.value()); - accelerators.put(SWT.F4, Qt.Key.Key_F4.value()); - accelerators.put(SWT.F5, Qt.Key.Key_F5.value()); - accelerators.put(SWT.F6, Qt.Key.Key_F6.value()); - accelerators.put(SWT.F7, Qt.Key.Key_F7.value()); - accelerators.put(SWT.F8, Qt.Key.Key_F8.value()); - accelerators.put(SWT.F9, Qt.Key.Key_F9.value()); - accelerators.put(SWT.F10, Qt.Key.Key_F10.value()); - accelerators.put(SWT.F11, Qt.Key.Key_F11.value()); - accelerators.put(SWT.F12, Qt.Key.Key_F12.value()); - accelerators.put(SWT.F13, Qt.Key.Key_F13.value()); - accelerators.put(SWT.F14, Qt.Key.Key_F14.value()); - accelerators.put(SWT.F15, Qt.Key.Key_F15.value()); - accelerators.put(SWT.PAGE_UP, Qt.Key.Key_PageUp.value()); - accelerators.put(SWT.PAGE_DOWN, Qt.Key.Key_PageDown.value()); - accelerators.put(SWT.HOME, Qt.Key.Key_Home.value()); - accelerators.put(SWT.END, Qt.Key.Key_End.value()); - accelerators.put(SWT.INSERT, Qt.Key.Key_Insert.value()); - } - - /** - * Adds the listener to the collection of listeners who will be notified - * when the arm events are generated for the control, by sending it one of - * the messages defined in the <code>ArmListener</code> interface. - * - * @param listener - * the listener which should be notified - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see ArmListener - * @see #removeArmListener - */ - public void addArmListener(ArmListener listener) { - checkWidget(); - if (listener == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - TypedListener typedListener = new TypedListener(listener); - addListener(SWT.Arm, typedListener); - } - - /** - * Adds the listener to the collection of listeners who will be notified - * when the help events are generated for the control, by sending it one of - * the messages defined in the <code>HelpListener</code> interface. - * - * @param listener - * the listener which should be notified - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see HelpListener - * @see #removeHelpListener - */ - public void addHelpListener(HelpListener listener) { - checkWidget(); - if (listener == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - TypedListener typedListener = new TypedListener(listener); - addListener(SWT.Help, typedListener); - } - - /** - * Adds the listener to the collection of listeners who will be notified - * when the menu item is selected by the user, by sending it one of the - * messages defined in the <code>SelectionListener</code> interface. - * <p> - * When <code>widgetSelected</code> is called, the stateMask field of the - * event object is valid. <code>widgetDefaultSelected</code> is not called. - * </p> - * - * @param listener - * the listener which should be notified when the menu item is - * selected by the user - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #removeSelectionListener - * @see SelectionEvent - */ - public void addSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - TypedListener typedListener = new TypedListener(listener); - addListener(SWT.Selection, typedListener); - addListener(SWT.DefaultSelection, typedListener); - } - - @Override - protected void checkSubclass() { - if (!isValidSubclass()) { - error(SWT.ERROR_INVALID_SUBCLASS); - } - } - - static int checkStyle(int style) { - return checkBits(style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.CASCADE, 0); - } - - @Override - void destroyWidget() { - parent.removeAction(getQAction()); - super.destroyWidget(); - } - - void fixMenus(Decorations newParent) { - if (menu != null) { - menu.fixMenus(newParent); - } - } - - /** - * Returns the widget accelerator. An accelerator is the bit-wise OR of zero - * or more modifier masks and a key. Examples: - * <code>SWT.CONTROL | SWT.SHIFT | 'T', SWT.ALT | SWT.F2</code>. The default - * value is zero, indicating that the menu item does not have an - * accelerator. - * - * @return the accelerator or 0 - * - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - public int getAccelerator() { - checkWidget(); - return accelerator; - } - - /** - * Returns a rectangle describing the receiver's size and location relative - * to its parent (or its display if its parent is null). - * - * @return the receiver's bounding rectangle - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ - /* public */Rectangle getBounds() { - checkWidget(); - return QtSWTConverter.convert(getQWidget().frameGeometry()); - } - - /** - * Returns <code>true</code> if the receiver is enabled, and - * <code>false</code> otherwise. A disabled menu item is typically not - * selectable from the user interface and draws with an inactive or "grayed" - * look. - * - * @return the receiver's enabled state - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see #isEnabled - */ - public boolean getEnabled() { - checkWidget(); - return getQAction().isEnabled(); - } - - /** - * Gets the identifier associated with the receiver. - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.7 - */ - public int getID () { - checkWidget(); - return userId; - } - - /** - * Returns the receiver's cascade menu if it has one or null if it does not. - * Only <code>CASCADE</code> menu items can have a pull down menu. The - * sequence of key strokes, button presses and/or button releases that are - * used to request a pull down menu is platform specific. - * - * @return the receiver's menu - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - @Override - public Menu getMenu() { - checkWidget(); - return menu; - } - - @Override - String getNameText() { - if ((style & SWT.SEPARATOR) != 0) { - return "|";//$NON-NLS-1$ - } - return super.getNameText(); - } - - /** - * Returns the receiver's parent, which must be a <code>Menu</code>. - * - * @return the receiver's parent - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - public Menu getParent() { - checkWidget(); - return parent; - } - - /** - * Returns <code>true</code> if the receiver is selected, and false - * otherwise. - * <p> - * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, it - * is selected when it is checked. - * - * @return the selection state - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> <li>ERROR_THREAD_INVALID_ACCESS - if not - * called from the thread that created the receiver</li> - * </ul> - */ - public boolean getSelection() { - checkWidget(); - return getQAction().isChecked(); - } - - /** - * Returns <code>true</code> if the receiver is enabled and all of the - * receiver's ancestors are enabled, and <code>false</code> otherwise. A - * disabled menu item is typically not selectable from the user interface - * and draws with an inactive or "grayed" look. - * - * @return the receiver's enabled state - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see #getEnabled - */ - public boolean isEnabled() { - return getEnabled() && parent.isEnabled(); - } - - @Override - void releaseChildren(boolean destroy) { - if (menu != null) { - menu.release(false); - menu = null; - } - super.releaseChildren(destroy); - } - - @Override - void releaseQWidget() { - if ((style & SWT.RADIO) != 0) { - parent.removeFromActionGroup(action); - } - parent.removeAction(action); - display.removeControl(action); - parent = null; - action = null; - id = -1; - super.releaseQWidget(); - } - - @Override - void releaseParent() { - super.releaseParent(); - if (menu != null) { - menu.dispose(); - } - menu = null; - } - - @Override - void releaseWidget() { - super.releaseWidget(); - accelerator = 0; - display.removeMenuItem(this); - } - - /** - * Removes the listener from the collection of listeners who will be - * notified when the arm events are generated for the control. - * - * @param listener - * the listener which should no longer be notified - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see ArmListener - * @see #addArmListener - */ - public void removeArmListener(ArmListener listener) { - checkWidget(); - if (listener == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - if (eventTable == null) { - return; - } - eventTable.unhook(SWT.Arm, listener); - } - - /** - * Removes the listener from the collection of listeners who will be - * notified when the help events are generated for the control. - * - * @param listener - * the listener which should no longer be notified - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see HelpListener - * @see #addHelpListener - */ - public void removeHelpListener(HelpListener listener) { - checkWidget(); - if (listener == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - if (eventTable == null) { - return; - } - eventTable.unhook(SWT.Help, listener); - } - - /** - * Removes the listener from the collection of listeners who will be - * notified when the control is selected by the user. - * - * @param listener - * the listener which should no longer be notified - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #addSelectionListener - */ - public void removeSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - if (eventTable == null) { - return; - } - eventTable.unhook(SWT.Selection, listener); - eventTable.unhook(SWT.DefaultSelection, listener); - } - - void selectRadio() { - int index = 0; - MenuItem[] items = parent.getItems(); - while (index < items.length && items[index] != this) { - index++; - } - int i = index - 1; - while (i >= 0 && items[i].setRadioSelection(false)) { - --i; - } - int j = index + 1; - while (j < items.length && items[j].setRadioSelection(false)) { - j++; - } - setSelection(true); - } - - /** - * Sets the widget accelerator. An accelerator is the bit-wise OR of zero or - * more modifier masks and a key. Examples: - * <code>SWT.MOD1 | SWT.MOD2 | 'T', SWT.MOD3 | SWT.F2</code>. - * <code>SWT.CONTROL | SWT.SHIFT | 'T', SWT.ALT | SWT.F2</code>. The default - * value is zero, indicating that the menu item does not have an - * accelerator. - * - * @param accelerator - * an integer that is the bit-wise OR of masks and a key - * - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - public void setAccelerator(int accelerator) { - checkWidget(); - int seq = 0; - if (this.accelerator == accelerator) { - return; - } - this.accelerator = accelerator; - /* - * fetch the modifiers of the accelerator (something like - * CTRL+SHIFT...). There can be more than one modifier. - */ - for (Integer modifier : modifiers.keySet()) { - if ((accelerator & modifier) != 0) { - accelerator -= modifier; - seq += modifiers.get(modifier); - } - } - - /* - * Fetch uppercase characters and other ascii characters (+, =, ?...). - * Only one of this chars is allowed. - */ - if (accelerator >= 32 && accelerator <= 96 || accelerator >= 123 && accelerator <= 127) { - seq += accelerator; - accelerator -= accelerator; - } - /* - * Transform lowercase characters to uppercase characters, because QT - * can only handle uppercase characters and there is no difference - * between CTRL+m and CTRL+M. Only one of this chars is allowed. - */ - if (accelerator >= 97 && accelerator <= 122) { - seq += accelerator - 32; // make a uppercase character out of a lowercase character - accelerator -= accelerator; - } - - /* fetch characters like F1, arrow keys or Page Up. Only one is allowed */ - if (accelerator != 0) { - for (Integer acc : accelerators.keySet()) { - if (accelerator == acc) { - accelerator -= acc; - seq += accelerators.get(acc); - } - } - } - - if (accelerator != 0) { // something went wrong here. Not every character could be fetched. - return; - } - getQAction().setShortcut(new QKeySequence(seq)); - - } - - /* - * private QKeySequence acceleratorToString(int accelerator) { int seq = 0; - * if ((accelerator & SWT.MOD1) != 0 || (accelerator & SWT.CTRL) != 0) { // - * on Windows systems SWT.MOD1 is the ctrl key accelerator -= SWT.MOD1; seq - * += Qt.Modifier.CTRL.value(); } if ((accelerator & SWT.MOD2) != 0 || - * (accelerator & SWT.SHIFT) != 0) { // on Windows systems SWT.MOD2 is the - * shift key accelerator -= SWT.MOD2; seq += Qt.Modifier.SHIFT.value(); } if - * ((accelerator & SWT.MOD3) != 0 || (accelerator & SWT.ALT) != 0) { - * accelerator -= SWT.MOD3; seq += Qt.Modifier.ALT.value(); } if - * (accelerator >= 65 && accelerator <= 90) { seq += accelerator; } else if - * (accelerator >= 97 && accelerator <= 122) { seq += accelerator - 32; // - * this takes care of lowercase characters. CTRL+m should be the same as - * CTRL+M } else if ((accelerator & SWT.ARROW_DOWN) != 0) { seq += - * Qt.Key.Key_Down.value(); } else if ((accelerator & SWT.ARROW_LEFT) != 0) - * { seq += Qt.Key.Key_Left.value(); } else if ((accelerator & - * SWT.ARROW_RIGHT) != 0) { seq += Qt.Key.Key_Right.value(); } else if - * ((accelerator & SWT.ARROW_UP) != 0) { seq += Qt.Key.Key_Up.value(); } - * else if ((accelerator & SWT.F1) != 0) { seq += Qt.Key.Key_F1.value(); } - * return new QKeySequence(seq); } - */ - /** - * Enables the receiver if the argument is <code>true</code>, and disables - * it otherwise. A disabled menu item is typically not selectable from the - * user interface and draws with an inactive or "grayed" look. - * - * @param enabled - * the new enabled state - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - public void setEnabled(boolean enabled) { - checkWidget(); - getQAction().setEnabled(enabled); - } - - /** - * Sets the identifier associated with the receiver to the argument. - * - * @param id the new identifier. This must be a non-negative value. System-defined identifiers are negative values. - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * <li>ERROR_INVALID_ARGUMENT - if called with an negative-valued argument.</li> - * </ul> - * - * @since 3.7 - */ - public void setID (int id) { - checkWidget(); - if (id < 0) error(SWT.ERROR_INVALID_ARGUMENT); - userId = id; - } - - /** - * Sets the image the receiver will display to the argument. - * <p> - * Note: This operation is a hint and is not supported on platforms that do - * not have this concept (for example, Windows NT). Furthermore, some - * platforms (such as GTK), cannot display both a check box and an image at - * the same time. Instead, they hide the image and display the check box. - * </p> - * - * @param image - * the image to display - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - @Override - public void setImage(Image image) { - checkWidget(); - if ((style & SWT.SEPARATOR) != 0) { - return; - } - super.setImage(image); - if (image != null) { - getQAction().setIcon(image.getQIcon()); - } else { - getQAction().setIcon((QIcon) null); - } - } - - /** - * Sets the receiver's pull down menu to the argument. Only - * <code>CASCADE</code> menu items can have a pull down menu. The sequence - * of key strokes, button presses and/or button releases that are used to - * request a pull down menu is platform specific. - * <p> - * Note: Disposing of a menu item that has a pull down menu will dispose of - * the menu. To avoid this behavior, set the menu to null before the menu - * item is disposed. - * </p> - * - * @param menu - * the new pull down menu - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_MENU_NOT_DROP_DOWN - if the menu is not a drop - * down menu</li> - * <li>ERROR_MENUITEM_NOT_CASCADE - if the menu item is not a - * <code>CASCADE</code></li> - * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed - * </li> - * <li>ERROR_INVALID_PARENT - if the menu is not in the same - * widget tree</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - */ - public void setMenu(Menu menu) { - checkWidget(); - - /* Check to make sure the new menu is valid */ - if ((style & SWT.CASCADE) == 0) { - error(SWT.ERROR_MENUITEM_NOT_CASCADE); - } - if (menu != null) { - if (menu.isDisposed()) { - error(SWT.ERROR_INVALID_ARGUMENT); - } - if ((menu.style & SWT.DROP_DOWN) == 0) { - error(SWT.ERROR_MENU_NOT_DROP_DOWN); - } - if (menu.parent != parent.parent) { - error(SWT.ERROR_INVALID_PARENT); - } - } - setMenu(menu, false); - } - - void setMenu(Menu menu, boolean dispose) { - if ((style & SWT.CASCADE) == 0) { - error(SWT.ERROR_MENUITEM_NOT_CASCADE); - } - QMenu qMenu = null; - if (menu != null) { - if ((menu.style & SWT.DROP_DOWN) == 0) { - error(SWT.ERROR_MENU_NOT_DROP_DOWN); - } - if (menu.parent != parent.parent) { - error(SWT.ERROR_INVALID_PARENT); - } - qMenu = menu.getQMenu(); - } - Menu oldMenu = this.menu; - if (oldMenu == menu) { - return; - } - if (oldMenu != null) { - oldMenu.cascade = null; - } - this.menu = menu; - getQAction().setMenu(qMenu); - if (this.menu != null) { - this.menu.cascade = this; - } - } - - boolean setRadioSelection(boolean value) { - if ((style & SWT.RADIO) == 0) { - return false; - } - if (getSelection() != value) { - setSelection(value); - postEvent(SWT.Selection); - } - return true; - } - - /** - * Sets the selection state of the receiver. - * <p> - * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, it - * is selected when it is checked. - * - * @param selected - * the new selection state - * - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> <li>ERROR_THREAD_INVALID_ACCESS - if not - * called from the thread that created the receiver</li> - * </ul> - */ - public void setSelection(boolean selected) { - checkWidget(); - if ((style & (SWT.CHECK | SWT.RADIO)) == 0) { - return; - } - getQAction().setChecked(selected); - } - - /** - * Sets the receiver's text. The string may include the mnemonic character - * and accelerator text. - * <p> - * Mnemonics are indicated by an '&' that causes the next character to - * be the mnemonic. When the user presses a key sequence that matches the - * mnemonic, a selection event occurs. On most platforms, the mnemonic - * appears underlined but may be emphasised in a platform specific manner. - * The mnemonic indicator character '&' can be escaped by doubling it in - * the string, causing a single '&' to be displayed. - * </p> - * <p> - * Accelerator text is indicated by the '\t' character. On platforms that - * support accelerator text, the text that follows the '\t' character is - * displayed to the user, typically indicating the key stroke that will - * cause the item to become selected. On most platforms, the accelerator - * text appears right aligned in the menu. Setting the accelerator text does - * not install the accelerator key sequence. The accelerator key sequence is - * installed using #setAccelerator. - * </p> - * - * @param string - * the new text - * - * @exception IllegalArgumentException - * <ul> - * <li>ERROR_NULL_ARGUMENT - if the text is null</li> - * </ul> - * @exception SWTException - * <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been - * disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the - * thread that created the receiver</li> - * </ul> - * - * @see #setAccelerator - */ - @Override - public void setText(String string) { - checkWidget(); - if (string == null) { - error(SWT.ERROR_NULL_ARGUMENT); - } - if ((style & SWT.SEPARATOR) != 0) { - return; - } - if (text.equals(string)) { - return; - } - super.setText(string); - getQAction().setText(string); - } - -} |