diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Caret.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Caret.java | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Caret.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Caret.java deleted file mode 100755 index 331822c78d..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Caret.java +++ /dev/null @@ -1,556 +0,0 @@ -package org.eclipse.swt.widgets;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import org.eclipse.swt.internal.win32.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-
-/**
- * Instances of this class provide an i-beam that is typically used
- * as the insertion point for text.
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>(none)</dd>
- * <dt><b>Events:</b></dt>
- * <dd>(none)</dd>
- * </dl>
- * <p>
- * IMPORTANT: This class is intended to be subclassed <em>only</em>
- * within the SWT implementation.
- * </p>
- */
-
-public class Caret extends Widget {
- Canvas parent;
- int x, y, width, height;
- boolean moved, resized;
- boolean isVisible;
- Image image;
- Font font;
- LOGFONT oldFont;
-
-/**
- * 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 Caret (Canvas parent, int style) {
- super (parent, style);
- this.parent = parent;
- createWidget ();
-}
-
-void createWidget () {
- isVisible = true;
- if (parent.getCaret () == null) {
- parent.setCaret (this);
- }
-}
-
-int defaultFont () {
- int hwnd = parent.handle;
- int hwndIME = OS.ImmGetDefaultIMEWnd (hwnd);
- if (hwndIME == 0) return parent.defaultFont ();
- int hFont = OS.SendMessage (hwndIME, OS.WM_GETFONT, 0, 0);
- if (hFont == 0) return parent.defaultFont ();
- return hFont;
-}
-
-/**
- * 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>
- */
-public Rectangle getBounds () {
- checkWidget();
- if (image != null) {
- Rectangle rect = image.getBounds ();
- return new Rectangle (x, y, rect.width, rect.height);
- }
- return new Rectangle (x, y, width, height);
-}
-
-public Display getDisplay () {
- Composite parent = this.parent;
- if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
- return parent.getDisplay ();
-}
-
-/**
- * Returns the font that the receiver will use to paint textual information.
- *
- * @return the receiver's font
- *
- * @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 Font getFont () {
- checkWidget();
- if (font == null) {
- int hFont = defaultFont ();
- return Font.win32_new (getDisplay (), hFont);
- }
- return font;
-}
-
-/**
- * Returns the image that the receiver will use to paint the caret.
- *
- * @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;
-}
-
-/**
- * Returns a point describing the receiver's location relative
- * to its parent (or its display if its parent is null).
- *
- * @return the receiver's location
- *
- * @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 Point getLocation () {
- checkWidget();
- return new Point (x, y);
-}
-
-/**
- * Returns the receiver's parent, which must be a <code>Canvas</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 Canvas getParent () {
- checkWidget();
- return parent;
-}
-
-/**
- * Returns a point describing the receiver's size.
- *
- * @return the receiver's size
- *
- * @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 Point getSize () {
- checkWidget();
- if (image != null) {
- Rectangle rect = image.getBounds ();
- return new Point (rect.width, rect.height);
- }
- return new Point (width, height);
-}
-
-/**
- * Returns <code>true</code> if the receiver is visible, and
- * <code>false</code> otherwise.
- * <p>
- * If one of the receiver's ancestors is not visible or some
- * other condition makes the receiver not visible, this method
- * may still indicate that it is considered visible even though
- * it may not actually be showing.
- * </p>
- *
- * @return the receiver's visibility 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 getVisible () {
- checkWidget();
- return isVisible;
-}
-
-boolean hasFocus () {
- return parent.handle == OS.GetFocus ();
-}
-
-boolean isFocusCaret () {
- return parent.caret == this && hasFocus ();
-}
-
-/**
- * Returns <code>true</code> if the receiver is visible, and
- * <code>false</code> otherwise.
- * <p>
- * If one of the receiver's ancestors is not visible or some
- * other condition makes the receiver not visible, this method
- * may still indicate that it is considered visible even though
- * it may not actually be showing.
- * </p>
- *
- * @return the receiver's visibility 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 isVisible () {
- checkWidget();
- return isVisible && parent.isVisible () && hasFocus ();
-}
-
-void killFocus () {
- OS.DestroyCaret ();
- if (font != null) restoreIMEFont ();
-}
-
-void move () {
- moved = false;
- if (!OS.SetCaretPos (x, y)) return;
- if (OS.IsDBLocale) {
- POINT ptCurrentPos = new POINT ();
- if (!OS.GetCaretPos (ptCurrentPos)) return;
- COMPOSITIONFORM lpCompForm = new COMPOSITIONFORM ();
- lpCompForm.dwStyle = OS.CFS_POINT;
- lpCompForm.x = ptCurrentPos.x;
- lpCompForm.y = ptCurrentPos.y;
- int hwnd = parent.handle;
- int hIMC = OS.ImmGetContext (hwnd);
- OS.ImmSetCompositionWindow (hIMC, lpCompForm);
- OS.ImmReleaseContext (hwnd, hIMC);
- }
-}
-
-void releaseChild () {
- super.releaseChild ();
- if (this == parent.getCaret ()) parent.setCaret (null);
-}
-
-void releaseWidget () {
- super.releaseWidget ();
- parent = null;
- image = null;
- font = null;
- oldFont = null;
-}
-
-void resize () {
- resized = false;
- int hwnd = parent.handle;
- OS.DestroyCaret ();
- int hBitmap = 0;
- if (image != null) hBitmap = image.handle;
- OS.CreateCaret (hwnd, hBitmap, width, height);
- OS.SetCaretPos (x, y);
- OS.ShowCaret (hwnd);
- move ();
-}
-
-void restoreIMEFont () {
- if (!OS.IsDBLocale) return;
- if (oldFont == null) return;
- int hwnd = parent.handle;
- int hIMC = OS.ImmGetContext (hwnd);
- OS.ImmSetCompositionFont (hIMC, oldFont);
- OS.ImmReleaseContext (hwnd, hIMC);
- oldFont = null;
-}
-
-void saveIMEFont () {
- if (!OS.IsDBLocale) return;
- if (oldFont != null) return;
- int hwnd = parent.handle;
- int hIMC = OS.ImmGetContext (hwnd);
- oldFont = new LOGFONT ();
- if (OS.ImmGetCompositionFont (hIMC, oldFont)) oldFont = null;
- OS.ImmReleaseContext (hwnd, hIMC);
-}
-
-/**
- * Sets the receiver's size and location to the rectangular
- * area specified by the arguments. The <code>x</code> and
- * <code>y</code> arguments are relative to the receiver's
- * parent (or its display if its parent is null).
- *
- * @param x the new x coordinate for the receiver
- * @param y the new y coordinate for the receiver
- * @param width the new width for the receiver
- * @param height the new height for 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>
- */
-public void setBounds (int x, int y, int width, int height) {
- checkWidget();
- boolean samePosition = this.x == x && this.y == y;
- boolean sameExtent = this.width == width && this.height == height;
- if (samePosition && sameExtent) return;
- this.x = x; this.y = y;
- this.width = width; this.height = height;
- if (sameExtent) {
- moved = true;
- if (isVisible && hasFocus ()) move ();
- } else {
- resized = true;
- if (isVisible && hasFocus ()) resize ();
- }
-}
-
-/**
- * Sets the receiver's size and location to the rectangular
- * area specified by the argument. The <code>x</code> and
- * <code>y</code> fields of the rectangle are relative to
- * the receiver's parent (or its display if its parent is null).
- *
- * @param rect the new bounds for 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>
- */
-public void setBounds (Rectangle rect) {
- if (rect == null) error (SWT.ERROR_NULL_ARGUMENT);
- setBounds (rect.x, rect.y, rect.width, rect.height);
-}
-
-void setFocus () {
- int hwnd = parent.handle;
- int hBitmap = 0;
- if (image != null) hBitmap = image.handle;
- OS.CreateCaret (hwnd, hBitmap, width, height);
- move ();
- if (font != null) {
- int hFont = font.handle;
- saveIMEFont ();
- setIMEFont (hFont);
- }
- if (isVisible) OS.ShowCaret (hwnd);
-}
-
-/**
- * Sets the font that the receiver will use to paint textual information
- * to the font specified by the argument, or to the default font for that
- * kind of control if the argument is null.
- *
- * @param font the new font (or null)
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_INVALID_ARGUMENT - if the font 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 setFont (Font font) {
- checkWidget();
- if (font != null && font.isDisposed ()) {
- error (SWT.ERROR_INVALID_ARGUMENT);
- }
- this.font = font;
- if (isVisible && hasFocus ()) {
- int hFont = 0;
- if (font != null) hFont = font.handle;
- if (hFont == 0) hFont = defaultFont ();
- saveIMEFont ();
- setIMEFont (hFont);
- }
-}
-
-/**
- * Sets the image that the receiver will use to paint the caret
- * to the image specified by the argument, or to the default
- * which is a filled rectangle if the argument is null
- *
- * @param font the new font (or 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();
- if (image != null && image.isDisposed ()) {
- error (SWT.ERROR_INVALID_ARGUMENT);
- }
- this.image = image;
- if (isVisible && hasFocus ()) resize ();
-}
-
-void setIMEFont (int hFont) {
- if (!OS.IsDBLocale) return;
- LOGFONT logFont = new LOGFONT ();
- if (OS.GetObject (hFont, LOGFONT.sizeof, logFont) != 0) {
- int hwnd = parent.handle;
- int hIMC = OS.ImmGetContext (hwnd);
- OS.ImmSetCompositionFont (hIMC, logFont);
- OS.ImmReleaseContext (hwnd, hIMC);
- }
-}
-
-/**
- * Sets the receiver's location to the point specified by
- * the arguments which are relative to the receiver's
- * parent (or its display if its parent is null).
- *
- * @param x the new x coordinate for the receiver
- * @param y the new y coordinate for 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>
- */
-public void setLocation (int x, int y) {
- checkWidget();
- if (this.x == x && this.y == y) return;
- this.x = x; this.y = y;
- moved = true;
- if (isVisible && hasFocus ()) move ();
-}
-
-/**
- * Sets the receiver's location to the point specified by
- * the argument which is relative to the receiver's
- * parent (or its display if its parent is null).
- *
- * @param location the new location for 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>
- */
-public void setLocation (Point location) {
- checkWidget();
- if (location == null) error (SWT.ERROR_NULL_ARGUMENT);
- setLocation (location.x, location.y);
-}
-
-/**
- * Sets the receiver's size to the point specified by the arguments.
- *
- * @param width the new width for the receiver
- * @param height the new height for 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>
- */
-public void setSize (int width, int height) {
- checkWidget();
- if (this.width == width && this.height == height) return;
- this.width = width; this.height = height;
- resized = true;
- if (isVisible && hasFocus ()) resize ();
-}
-
-/**
- * Sets the receiver's size to the point specified by the argument.
- *
- * @param size the new extent for the receiver
- * @param height the new height for the receiver
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the point 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 setSize (Point size) {
- checkWidget();
- if (size == null) error (SWT.ERROR_NULL_ARGUMENT);
- setSize (size.x, size.y);
-}
-
-/**
- * Marks the receiver as visible if the argument is <code>true</code>,
- * and marks it invisible otherwise.
- * <p>
- * If one of the receiver's ancestors is not visible or some
- * other condition makes the receiver not visible, marking
- * it visible may not actually cause it to be displayed.
- * </p>
- *
- * @param visible the new visibility 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 setVisible (boolean visible) {
- checkWidget();
- if (visible == isVisible) return;
- isVisible = visible;
- int hwnd = parent.handle;
- if (OS.GetFocus () != hwnd) return;
- if (!isVisible) {
- OS.HideCaret (hwnd);
- } else {
- if (resized) {
- resize ();
- } else {
- if (moved) move ();
- }
- OS.ShowCaret (hwnd);
- }
-}
-
-}
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