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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk1x/org/eclipse/swt/widgets/Button.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/gtk1x/org/eclipse/swt/widgets/Button.java | 498 |
1 files changed, 0 insertions, 498 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk1x/org/eclipse/swt/widgets/Button.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk1x/org/eclipse/swt/widgets/Button.java deleted file mode 100644 index d5e9ccfd4e..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/gtk1x/org/eclipse/swt/widgets/Button.java +++ /dev/null @@ -1,498 +0,0 @@ -package org.eclipse.swt.widgets; - -/* - * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. - * This file is made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - */ - -import org.eclipse.swt.internal.*; -import org.eclipse.swt.internal.gtk.*; -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; - -/** - * Instances of this class represent a selectable user interface object that - * issues notification when pressed and released. - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>ARROW, CHECK, PUSH, RADIO, TOGGLE, FLAT</dd> - * <dd>LEFT, RIGHT, CENTER</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection</dd> - * </dl> - * <p> - * Note: Only one of the styles ARROW, CHECK, PUSH, RADIO, and TOGGLE - * may be specified. - * </p><p> - * IMPORTANT: This class is intended to be subclassed <em>only</em> - * within the SWT implementation. - * </p> - */ -public class Button extends Control { - int boxHandle; - Image image; - String text; - -/** - * Constructs a new instance of this class given its parent - * and a style value describing its behavior and appearance. - * <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 - * for all SWT widget classes should include a comment which - * describes the style constants which are applicable to the class. - * </p> - * - * @param parent a composite 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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Button (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -static int checkStyle (int style) { - style = checkBits (style, SWT.PUSH, SWT.ARROW, SWT.CHECK, SWT.RADIO, SWT.TOGGLE, 0); - if ((style & SWT.PUSH) != 0) { - return checkBits (style, SWT.CENTER, SWT.LEFT, SWT.RIGHT, 0, 0, 0); - } - if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) != 0) { - return checkBits (style, SWT.LEFT, SWT.RIGHT, SWT.CENTER, 0, 0, 0); - } - if ((style & SWT.ARROW) != 0) { - return checkBits (style, SWT.UP, SWT.DOWN, SWT.LEFT, SWT.RIGHT, 0, 0); - } - return style; -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the control is selected, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * <code>widgetSelected</code> is called when the control is selected. - * <code>widgetDefaultSelected</code> is not called. - * </p> - * - * @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 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); -} - -void createHandle (int index) { - state |= HANDLE; - int bits = SWT.ARROW | SWT.TOGGLE | SWT.CHECK | SWT.RADIO | SWT.PUSH; - - boxHandle = OS.gtk_event_box_new (); - if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); - switch (style & bits) { - case SWT.ARROW: - handle = OS.gtk_button_new (); - int arrow = OS.gtk_arrow_new (OS.GTK_ARROW_UP, OS.GTK_SHADOW_OUT); - OS.gtk_container_add (handle, arrow); - OS.gtk_widget_show (arrow); - break; - case SWT.TOGGLE: - handle = OS.gtk_toggle_button_new (); - break; - case SWT.CHECK: - handle = OS.gtk_check_button_new (); - break; - case SWT.RADIO: - handle = OS.gtk_radio_button_new (parent.radioGroup()); - break; - case SWT.PUSH: - default: - handle = OS.gtk_button_new (); - break; - } - if (handle == 0) error (SWT.ERROR_NO_HANDLES); -} - -void setHandleStyle() {} - -void configure() { - _connectParent(); - OS.gtk_container_add (boxHandle, handle); -} - -void showHandle() { - OS.gtk_widget_show (boxHandle); - OS.gtk_widget_show (handle); - OS.gtk_widget_realize (handle); -} - -void hookEvents () { - super.hookEvents(); - /* - * Feature in GTK. For some reason, when the widget - * is a check or radio button, mouse move and key - * release events are not signaled. The fix is to - * look for them on the parent. - */ - if ((style & (SWT.CHECK | SWT.RADIO)) != 0) { - int mask = OS.GDK_POINTER_MOTION_MASK | OS.GDK_KEY_RELEASE_MASK; - OS.gtk_widget_add_events (boxHandle, mask); - signal_connect_after (boxHandle, "motion_notify_event", SWT.MouseMove, 3); - signal_connect_after (boxHandle, "key_release_event", SWT.KeyUp, 3); - } - signal_connect (handle, "clicked", SWT.Selection, 2); -} - -void register () { - super.register (); - WidgetTable.put (boxHandle, this); -} - -void createWidget (int index) { - super.createWidget (index); - text = ""; -} - -int topHandle () { return boxHandle; } - -/** - * Returns a value which describes the position of the - * text or image in the receiver. The value will be one of - * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> - * unless the receiver is an <code>ARROW</code> button, in - * which case, the alignment will indicate the direction of - * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, - * <code>UP</code> or <code>DOWN</code>. - * - * @return the alignment - * - * @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 getAlignment () { - checkWidget (); - if ((style & SWT.ARROW) != 0) { - if ((style & SWT.UP) != 0) return SWT.UP; - if ((style & SWT.DOWN) != 0) return SWT.DOWN; - if ((style & SWT.LEFT) != 0) return SWT.LEFT; - if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; - return SWT.UP; - } - if ((style & SWT.LEFT) != 0) return SWT.LEFT; - if ((style & SWT.CENTER) != 0) return SWT.CENTER; - if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; - return SWT.LEFT; -} - -/** - * Returns the receiver's image if it has one, or null - * if it does not. - * - * @return the receiver's image - * - * @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 Image getImage () { - checkWidget (); - return image; -} - -String getNameText () { - return getText (); -} - -/** - * 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. When it is of type <code>TOGGLE</code>, - * it is selected when it is pushed. If the receiver is of any other type, - * this method returns false. - * - * @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 (); - if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false; - return OS.gtk_toggle_button_get_active (handle); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the control is selected. - * - * @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 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); -} - -/** - * Controls how text, images and arrows will be displayed - * in the receiver. The argument should be one of - * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> - * unless the receiver is an <code>ARROW</code> button, in - * which case, the argument indicates the direction of - * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, - * <code>UP</code> or <code>DOWN</code>. - * - * @param alignment the new alignment - * - * @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 setAlignment (int alignment) { - checkWidget (); - if ((style & SWT.ARROW) != 0) { - if ((style & (SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT)) == 0) return; - style &= ~(SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT); - style |= alignment & (SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT); - int arrow_type = OS.GTK_ARROW_UP; - switch (alignment) { - case SWT.UP: - arrow_type = OS.GTK_ARROW_UP; - break; - case SWT.DOWN: - arrow_type = OS.GTK_ARROW_DOWN; - break; - case SWT.LEFT: - arrow_type = OS.GTK_ARROW_LEFT; - break; - case SWT.RIGHT: - arrow_type = OS.GTK_ARROW_RIGHT; - break; - } - int list = OS.gtk_container_children (handle); - int arrow = OS.g_list_nth_data (list, 0); - OS.gtk_arrow_set (arrow, arrow_type, OS.GTK_SHADOW_OUT); - return; - } - if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; - style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); - style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); - int list = OS.gtk_container_children (handle); - int label = OS.g_list_nth_data (list, 0); - if (label == 0) return; - boolean isText = OS.GTK_WIDGET_TYPE (handle) == OS.gtk_label_get_type (); - if ((style & SWT.LEFT) != 0) { - OS.gtk_misc_set_alignment (label, 0.0f, 0.5f); - if (isText) OS.gtk_label_set_justify (label, OS.GTK_JUSTIFY_LEFT); - return; - } - if ((style & SWT.CENTER) != 0) { - OS.gtk_misc_set_alignment (label, 0.5f, 0.5f); - if (isText) OS.gtk_label_set_justify (label, OS.GTK_JUSTIFY_CENTER); - return; - } - if ((style & SWT.RIGHT) != 0) { - OS.gtk_misc_set_alignment (label, 1.0f, 0.5f); - if (isText) OS.gtk_label_set_justify (label, OS.GTK_JUSTIFY_RIGHT); - return; - } -} - -/** - * Sets the receiver's image to the argument, which may be - * null indicating that no image should be displayed. - * - * @param image the image to display on the receiver (may be null) - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</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 setImage (Image image) { - checkWidget (); - this.image = image; - if ((style & SWT.ARROW) != 0) return; - int list = OS.gtk_container_children (handle); - if (list != 0) { - int widget = OS.g_list_nth_data (list, 0); - if (widget != 0) OS.gtk_widget_destroy (widget); - } - if (image != null) { - int pixmap = OS.gtk_pixmap_new (image.pixmap, image.mask); - OS.gtk_container_add (handle, pixmap); - OS.gtk_widget_show (pixmap); - } -} - -/** - * Returns the receiver's text, which will be an empty - * string if it has never been set. - * - * @return the receiver's text - * - * @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 String getText () { - checkWidget(); - return text; -} - -/** - * Sets the selection state of the receiver, if it is of type <code>CHECK</code>, - * <code>RADIO</code>, or <code>TOGGLE</code>. - * - * <p> - * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, - * it is selected when it is checked. When it is of type <code>TOGGLE</code>, - * it is selected when it is pushed. - * - * @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 | SWT.TOGGLE)) == 0) return; - OS.gtk_signal_handler_block_by_data (handle, SWT.Selection); - OS.gtk_toggle_button_set_active (handle, selected); - OS.gtk_signal_handler_unblock_by_data (handle, SWT.Selection); -} - -/** - * Sets the receiver's text. - * <p> - * This method sets the button label. The label may include - * the mnemonic character but must not contain line delimiters. - * </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> - */ -public void setText (String string) { - checkWidget (); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - text = string; - if ((style & SWT.ARROW) != 0) return; - int length = string.length (); - char [] text = new char [length + 1]; - char [] pattern = new char [length + 1]; - string.getChars (0, length, text, 0); - int i = 0, j = 0; - while (i < length) { - pattern [j] = ' '; - if (text [i] == '&') { - i++; - if (i < length && text [i] != '&') { - pattern [j] = '_'; - } - } - text [j++] = text [i++]; - } - while (j < i) { - text [j] = pattern [j] = '\0'; - j++; - } - int list = OS.gtk_container_children (handle); - if (list != 0) { - int widget = OS.g_list_nth_data (list, 0); - if (widget != 0) OS.gtk_widget_destroy (widget); - } - byte [] buffer1 = Converter.wcsToMbcs (null, text); - int label = OS.gtk_label_new (buffer1); - byte [] buffer2 = Converter.wcsToMbcs (null, pattern); - OS.gtk_label_set_pattern (label, buffer2); - OS.gtk_container_add (handle, label); - OS.gtk_widget_show (label); -} - -int processSelection (int int0, int int1, int int2) { - postEvent(SWT.Selection); - return 0; -} - -void deregister () { - super.deregister (); - WidgetTable.remove (boxHandle); -} - -void releaseWidget () { - super.releaseWidget (); - image = null; - text = null; -} - -void releaseHandle () { - super.releaseHandle (); - boxHandle = 0; -} - -}
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