mirror of
https://github.com/eclipse-cdt/cdt
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Format the source Hovering better.
* src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java * src/org/eclipse/cdt/internal/ui/text/c/hover/SourceViewerInformationControl.java
This commit is contained in:
Alain Magloire
parent
6d05a79a53
commit
cab2547573
3 changed files with 435 additions and 1 deletions
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@ -1,3 +1,9 @@
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2004-06-01 Alain Magloire
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Format the source Hovering better.
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* src/org/eclipse/cdt/internal/ui/text/c/hover/CSourceHover.java
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* src/org/eclipse/cdt/internal/ui/text/c/hover/SourceViewerInformationControl.java
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2004-06-01 Alain Magloire
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A release of the CDT was distributed with
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@ -25,15 +25,21 @@ import org.eclipse.cdt.ui.IWorkingCopyManager;
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import org.eclipse.jface.text.BadLocationException;
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import org.eclipse.jface.text.Document;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.IInformationControl;
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import org.eclipse.jface.text.IInformationControlCreator;
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import org.eclipse.jface.text.IRegion;
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import org.eclipse.jface.text.ITextHoverExtension;
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import org.eclipse.jface.text.ITextViewer;
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import org.eclipse.jface.text.information.IInformationProviderExtension2;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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/**
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* CSourceHover
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*/
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public class CSourceHover extends AbstractCEditorTextHover {
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public class CSourceHover extends AbstractCEditorTextHover implements ITextHoverExtension, IInformationProviderExtension2 {
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/**
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*
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@ -130,4 +136,30 @@ public class CSourceHover extends AbstractCEditorTextHover {
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return source.substring(i);
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}
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/*
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* @see org.eclipse.jface.text.ITextHoverExtension#getHoverControlCreator()
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* @since 3.0
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*/
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public IInformationControlCreator getHoverControlCreator() {
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return new IInformationControlCreator() {
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public IInformationControl createInformationControl(Shell parent) {
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return new SourceViewerInformationControl(parent, getTooltipAffordanceString());
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}
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};
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}
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/*
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* @see IInformationProviderExtension2#getInformationPresenterControlCreator()
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* @since 3.0
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*/
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public IInformationControlCreator getInformationPresenterControlCreator() {
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return new IInformationControlCreator() {
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public IInformationControl createInformationControl(Shell parent) {
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int shellStyle= SWT.RESIZE;
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int style= SWT.V_SCROLL | SWT.H_SCROLL;
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return new SourceViewerInformationControl(parent, shellStyle, style);
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}
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};
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}
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}
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@ -0,0 +1,396 @@
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/**********************************************************************
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* Copyright (c) 2002,2003,2004 QNX Software Systems and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Common Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/cpl-v10.html
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*
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* Contributors:
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* QNX Software Systems - Initial API and implementation
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***********************************************************************/
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package org.eclipse.cdt.internal.ui.text.c.hover;
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import org.eclipse.cdt.internal.ui.text.CSourceViewerConfiguration;
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import org.eclipse.cdt.ui.CUIPlugin;
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import org.eclipse.jface.text.Document;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.IInformationControl;
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import org.eclipse.jface.text.IInformationControlExtension;
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import org.eclipse.jface.text.source.ISourceViewer;
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import org.eclipse.jface.text.source.SourceViewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.custom.StyledText;
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import org.eclipse.swt.events.DisposeEvent;
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import org.eclipse.swt.events.DisposeListener;
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import org.eclipse.swt.events.FocusListener;
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import org.eclipse.swt.events.KeyEvent;
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import org.eclipse.swt.events.KeyListener;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.graphics.Font;
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import org.eclipse.swt.graphics.FontData;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Shell;
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/**
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* SourceViewerInformationControl
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* Source viewer based implementation of <code>IInformationControl</code>.
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* Displays information in a source viewer.
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*
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*/
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public class SourceViewerInformationControl implements IInformationControl, IInformationControlExtension, DisposeListener {
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/** Border thickness in pixels. */
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private static final int BORDER= 1;
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/** The control's shell */
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private Shell fShell;
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/** The control's text widget */
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private StyledText fText;
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/** The control's source viewer */
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private SourceViewer fViewer;
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/**
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* The optional status field.
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*
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* @since 3.0
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*/
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private Label fStatusField;
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/**
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* The separator for the optional status field.
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*
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* @since 3.0
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*/
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private Label fSeparator;
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/**
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* The font of the optional status text label.
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*
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* @since 3.0
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*/
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private Font fStatusTextFont;
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/**
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* Creates a default information control with the given shell as parent. The given
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* information presenter is used to process the information to be displayed. The given
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* styles are applied to the created styled text widget.
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*
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* @param parent the parent shell
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* @param shellStyle the additional styles for the shell
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* @param style the additional styles for the styled text widget
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*/
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public SourceViewerInformationControl(Shell parent, int shellStyle, int style) {
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this(parent, shellStyle, style, null);
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}
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/**
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* Creates a default information control with the given shell as parent. The given
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* information presenter is used to process the information to be displayed. The given
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* styles are applied to the created styled text widget.
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*
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* @param parent the parent shell
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* @param shellStyle the additional styles for the shell
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* @param style the additional styles for the styled text widget
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* @param statusFieldText the text to be used in the optional status field
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* or <code>null</code> if the status field should be hidden
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* @since 3.0
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*/
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public SourceViewerInformationControl(Shell parent, int shellStyle, int style, String statusFieldText) {
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GridLayout layout;
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GridData gd;
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fShell= new Shell(parent, SWT.NO_FOCUS | SWT.ON_TOP | shellStyle);
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Display display= fShell.getDisplay();
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fShell.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
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Composite composite= fShell;
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layout= new GridLayout(1, false);
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int border= ((shellStyle & SWT.NO_TRIM) == 0) ? 0 : BORDER;
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layout.marginHeight= border;
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layout.marginWidth= border;
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composite.setLayout(layout);
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gd= new GridData(GridData.FILL_HORIZONTAL);
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composite.setLayoutData(gd);
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if (statusFieldText != null) {
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composite= new Composite(composite, SWT.NONE);
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layout= new GridLayout(1, false);
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layout.marginHeight= 0;
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layout.marginWidth= 0;
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composite.setLayout(layout);
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gd= new GridData(GridData.FILL_BOTH);
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composite.setLayoutData(gd);
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composite.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
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composite.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
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}
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// Source viewer
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//IPreferenceStore store= CUIPlugin.getDefault().getCombinedPreferenceStore();
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fViewer= new SourceViewer(composite, null, null, false, style);
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fViewer.configure(new CSourceViewerConfiguration(CUIPlugin.getDefault().getTextTools(), null));
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fViewer.setEditable(false);
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fText= fViewer.getTextWidget();
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gd= new GridData(GridData.BEGINNING | GridData.FILL_BOTH);
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fText.setLayoutData(gd);
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fText.setForeground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));
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fText.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
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fText.addKeyListener(new KeyListener() {
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public void keyPressed(KeyEvent e) {
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if (e.character == 0x1B) // ESC
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fShell.dispose();
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}
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public void keyReleased(KeyEvent e) {}
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});
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// Status field
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if (statusFieldText != null) {
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// Horizontal separator line
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fSeparator= new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL | SWT.LINE_DOT);
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fSeparator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
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// Status field label
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fStatusField= new Label(composite, SWT.RIGHT);
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fStatusField.setText(statusFieldText);
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Font font= fStatusField.getFont();
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FontData[] fontDatas= font.getFontData();
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for (int i= 0; i < fontDatas.length; i++)
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fontDatas[i].setHeight(fontDatas[i].getHeight() * 9 / 10);
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fStatusTextFont= new Font(fStatusField.getDisplay(), fontDatas);
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fStatusField.setFont(fStatusTextFont);
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GridData gd2= new GridData(GridData.FILL_VERTICAL | GridData.FILL_HORIZONTAL | GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_BEGINNING);
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fStatusField.setLayoutData(gd2);
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// Regarding the color see bug 41128
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fStatusField.setForeground(display.getSystemColor(SWT.COLOR_WIDGET_DARK_SHADOW));
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fStatusField.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
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}
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addDisposeListener(this);
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}
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/**
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* Creates a default information control with the given shell as parent. The given
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* information presenter is used to process the information to be displayed. The given
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* styles are applied to the created styled text widget.
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*
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* @param parent the parent shell
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* @param style the additional styles for the styled text widget
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*/
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public SourceViewerInformationControl(Shell parent,int style) {
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this(parent, SWT.NO_TRIM, style);
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}
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/**
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* Creates a default information control with the given shell as parent. The given
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* information presenter is used to process the information to be displayed. The given
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* styles are applied to the created styled text widget.
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*
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* @param parent the parent shell
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* @param style the additional styles for the styled text widget
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* @param statusFieldText the text to be used in the optional status field
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* or <code>null</code> if the status field should be hidden
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* @since 3.0
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*/
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public SourceViewerInformationControl(Shell parent,int style, String statusFieldText) {
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this(parent, SWT.NO_TRIM, style, statusFieldText);
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}
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/**
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* Creates a default information control with the given shell as parent.
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* No information presenter is used to process the information
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* to be displayed. No additional styles are applied to the styled text widget.
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*
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* @param parent the parent shell
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*/
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public SourceViewerInformationControl(Shell parent) {
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this(parent, SWT.NONE);
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}
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/**
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* Creates a default information control with the given shell as parent.
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* No information presenter is used to process the information
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* to be displayed. No additional styles are applied to the styled text widget.
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*
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* @param parent the parent shell
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* @param statusFieldText the text to be used in the optional status field
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* or <code>null</code> if the status field should be hidden
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* @since 3.0
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*/
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public SourceViewerInformationControl(Shell parent, String statusFieldText) {
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this(parent, SWT.NONE, statusFieldText);
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}
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/*
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* @see org.eclipse.jface.text.IInformationControlExtension2#setInput(java.lang.Object)
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*/
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public void setInput(Object input) {
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if (input instanceof String)
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setInformation((String)input);
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else
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setInformation(null);
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}
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/*
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* @see IInformationControl#setInformation(String)
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*/
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public void setInformation(String content) {
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if (content == null) {
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fViewer.setInput(null);
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return;
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}
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IDocument doc= new Document(content);
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CUIPlugin.getDefault().getTextTools().setupCDocument(doc);
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fViewer.setInput(doc);
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}
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/*
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* @see IInformationControl#setVisible(boolean)
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*/
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public void setVisible(boolean visible) {
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fShell.setVisible(visible);
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}
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/**
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* {@inheritDoc}
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* @since 3.0
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*/
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public void widgetDisposed(DisposeEvent event) {
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if (fStatusTextFont != null && !fStatusTextFont.isDisposed())
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fStatusTextFont.dispose();
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fStatusTextFont= null;
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fShell= null;
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fText= null;
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}
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/**
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* {@inheritDoc}
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*/
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public final void dispose() {
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if (fShell != null && !fShell.isDisposed())
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fShell.dispose();
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else
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widgetDisposed(null);
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}
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/*
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* @see IInformationControl#setSize(int, int)
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*/
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public void setSize(int width, int height) {
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if (fStatusField != null) {
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GridData gd= (GridData)fViewer.getTextWidget().getLayoutData();
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Point statusSize= fStatusField.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
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Point separatorSize= fSeparator.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
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gd.heightHint= height - statusSize.y - separatorSize.y;
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}
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fShell.setSize(width, height);
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if (fStatusField != null)
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fShell.pack(true);
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}
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/*
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* @see IInformationControl#setLocation(Point)
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*/
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public void setLocation(Point location) {
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Rectangle trim= fShell.computeTrim(0, 0, 0, 0);
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Point textLocation= fText.getLocation();
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location.x += trim.x - textLocation.x;
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location.y += trim.y - textLocation.y;
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fShell.setLocation(location);
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}
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/*
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* @see IInformationControl#setSizeConstraints(int, int)
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*/
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public void setSizeConstraints(int maxWidth, int maxHeight) {
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maxWidth= maxHeight;
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}
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/*
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* @see IInformationControl#computeSizeHint()
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*/
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public Point computeSizeHint() {
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return fShell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
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}
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/*
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* @see IInformationControl#addDisposeListener(DisposeListener)
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*/
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public void addDisposeListener(DisposeListener listener) {
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fShell.addDisposeListener(listener);
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}
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/*
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* @see IInformationControl#removeDisposeListener(DisposeListener)
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*/
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public void removeDisposeListener(DisposeListener listener) {
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fShell.removeDisposeListener(listener);
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}
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/*
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* @see IInformationControl#setForegroundColor(Color)
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*/
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public void setForegroundColor(Color foreground) {
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fText.setForeground(foreground);
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}
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/*
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* @see IInformationControl#setBackgroundColor(Color)
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*/
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public void setBackgroundColor(Color background) {
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fText.setBackground(background);
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}
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/*
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* @see IInformationControl#isFocusControl()
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*/
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public boolean isFocusControl() {
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return fText.isFocusControl();
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}
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/*
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* @see IInformationControl#setFocus()
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*/
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public void setFocus() {
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fShell.forceFocus();
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fText.setFocus();
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}
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/*
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* @see IInformationControl#addFocusListener(FocusListener)
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*/
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public void addFocusListener(FocusListener listener) {
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fText.addFocusListener(listener);
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}
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/*
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* @see IInformationControl#removeFocusListener(FocusListener)
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*/
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public void removeFocusListener(FocusListener listener) {
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fText.removeFocusListener(listener);
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}
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/*
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* @see IInformationControlExtension#hasContents()
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*/
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public boolean hasContents() {
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return fText.getCharCount() > 0;
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}
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protected ISourceViewer getViewer() {
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return fViewer;
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}
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}
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Add table
Reference in a new issue