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diff --git a/doc/kompare/Makefile.am b/doc/kompare/Makefile.am new file mode 100644 index 00000000..085981d9 --- /dev/null +++ b/doc/kompare/Makefile.am @@ -0,0 +1,4 @@ + +KDE_LANG = en +KDE_DOCS = AUTO + diff --git a/doc/kompare/index.docbook b/doc/kompare/index.docbook new file mode 100644 index 00000000..04f30a7f --- /dev/null +++ b/doc/kompare/index.docbook @@ -0,0 +1,910 @@ +<?xml version="1.0" ?> +<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [ + <!ENTITY kappname "&kompare;"> + <!ENTITY version "3.4"> + <!ENTITY package "kdesdk"> + <!ENTITY % addindex "IGNORE"> + <!ENTITY % English "INCLUDE"> +]> + +<book lang="&language;"> + +<bookinfo> + <title>The &kompare; Handbook</title> + + <authorgroup> + +<author><firstname>Sean</firstname><surname>Wheller</surname><email>sean@inwords.co.za</email></author> + <!-- TRANS:ROLES_OF_TRANSLATORS --> + </authorgroup> + +<copyright> +<year>2007</year> +<holder>Sean Wheller</holder> +</copyright> + + <legalnotice>&FDLNotice;</legalnotice> + +<date>2007-01-20</date> +<releaseinfo>3.4</releaseinfo> + +<!-- Abstract about this handbook --> + +<abstract> +<para> +&kompare; is a &GUI; front-end program that enables differences between source files to be viewed and merged. +&kompare; can be used to compare differences on files or the contents of folders. &kompare; supports a variety +of diff formats and provide many options to customize the information level displayed.</para> +<para>This document describes &kompare; version &version;.</para> +</abstract> + + +<keywordset> +<keyword>KDE</keyword> +<keyword>Kompare</keyword> +<keyword>Diff</keyword> +<keyword>Merge</keyword> +<keyword>Patch</keyword> +<keyword>Hunk</keyword> +</keywordset> + +</bookinfo> + +<chapter id="introduction"> +<title>Introduction</title> + +<para>When two or more people are working on a file and passing it back and forth between one another, it becomes difficult to +see what changes have been made to a new version or copy of the file. Opening the new copy and the original, side-by-side in the +application used to create it is one solution but, laborious, time consuming, and prone to error. This is where a program to show +differences, diffs for short, is useful.</para> + +<para>As would be expected, an appropriate name for such a program would be "diff". As it happens, the program diff is installed on +most &Linux;-based systems and is used for exactly this purpose. Developers often use diff, as a command line tool, to show differences +between versions of a source code file. However, the use of diff is not limited to showing differences in code source files, +it can be used on many text-based file types.</para> + +<para>Using diff from the command line can be confusing, learning the diff command syntax and deciphering the output can bewilder most people. +This is where &kompare; comes into play. Providing a graphical front-end to the diff program, the interface displays source and destination files +side-by-side with all differences automatically highlighted. From this starting point, changes in one file can be sequentially applied to the other file +on a selective and controlled basis. Not all changes need to be applied and if you do apply a change it can always be 'unapplied'. +When all required changes have been applied they can be saved and will display as normal in the original application used to create the file.</para> + +<para>In addition to displaying differences between a source and destination file, &kompare; can be used to create and view a special file called a 'diff'. +This file captures the differences between the two sources into a single file that can be used to view and apply changes to any other copy of the file. +For example, if two people are editing a document. The first person wants to make changes and send just the changes made to the second person. +Normally, the first person would send a complete copy of the modified document to the second person, who would then have to compare the modified document +side-by-side with unmodified version. The process for this is much like what we have described in the previous paragraphs. With &kompare; the first person +would first make a local copy of the file to be modified, then make changes and compare the original and modified copy. Now using &kompare; a diff file +can be created that captures only the changes made. This can be sent to the second person in place of a whole file containing the changes.</para> + +<para>Using &kompare; the second person can view the diff file, compare it to the local copy of the document and apply the changes made by the first person. +So the process can go on for many versions of the document, each person making changes, creating diffs, distributing them and applying them. +This process is commonly called "patching", a term taken from the program named "patch" which is another command line +tool specifically designed for the purpose of applying diff files.</para> + +<para>It sometimes happens that people edit a file at the same time. In this situation it is likely that people will make changes in the document at +exactly the same line. This creates a problem because, without applied caution, people could be overwriting each others work as they apply the diff files they receive. +Fortunately the developers of the diff and patch programs took this into consideration and so these tools will not allow such changes to be applied without manual intervention. +When this state is reached, it is known as a "conflict". &kompare; will display conflicts so that you can manually resolve them, deciding +which changes should be applied to which file.</para> + +<para>&kompare; is also a great program for comparison of file changes on a folder level. When used to compare folders &kompare; recursively examines subfolders +and their file contents for differences. In this use case, each file where differences are found are automatically opened and +listed by &kompare; where easy navigation between the various files is possible.</para> + +</chapter> + +<chapter id="using"> +<title>Using &kompare;</title> + +<sect1 id="getting-started"> +<title>Getting Started</title> + +<para>This section provides instructions for starting &kompare; and provides a quick tour to the &kompare; main interface.</para> + +<sect2 id="starting-kompare"> +<title>Starting &kompare;</title> + +<para>A shortcut for starting &kompare; can be found in the K menu in the Development group +<menuchoice><guimenu>Development</guimenu><guimenuitem>Kompare</guimenuitem></menuchoice>.</para> + +<para>When &kompare; starts the first thing it does is display a dialog from +which to select the files you wish to compare. Special settings for the properties of the diff and the apprearance thereof can also be selected. +In the file form select a source and destination source to compare. This can be any two files, folders or a &URL; and a file. +Once the source and destination are selected click the <guibutton>Compare</guibutton> button.</para> + +<para>Once &kompare; has discovered the differences it will display the main interface. +When comparing two files or a url and a file the process takes just a few seconds. However, when comparing folders +with many subfolders and files, this process can take awhile.</para> + +<para>For explanation of the options available from diff and appearance forms see <xref linkend="configure-preferences"/>.</para> +</sect2> + +<sect2 id="main-interface"> +<title>The Main Interface</title> + +<para>This section provides a quick tour of the main interface which is comprised of the following areas:</para> +<itemizedlist> +<listitem><para>Menus</para></listitem> +<listitem><para>Toolbar</para></listitem> +<listitem><para>Source and Destination Folders</para></listitem> +<listitem><para>Source and Destination Files</para></listitem> +<listitem><para>Source and Destination Line Changes</para></listitem> +<listitem><para>Source and Destination Text View</para></listitem> +<listitem><para>Statusbar</para></listitem> +</itemizedlist> + +<sect3 id="menus"> +<title>Menus</title> +<para>&kompare; provides a menu driven interface. Explanation to the menu items and their options is provided in <xref linkend="command-reference"/>.</para> +</sect3> + +<sect3 id="toolbar"> +<title>Toolbar</title> +<para>The &kompare; toolbar provides shortcuts to the most frequently used diff and merge operations. +The toolbar orientation, text postioning, icon size properties and which shortcut icons are displayed can be customized from the +toobar context menu accessed when right-clicking the toolbar with the mouse. The toobar content menu also enables the toobar to be hidden. +If the toolbar is hidden and you wish to unhide it, select <menuchoice><guimenu>Settings</guimenu><guimenuitem>Show Toolbar</guimenuitem></menuchoice>.</para> +</sect3> + +<sect3 id="source-destination-folders"> +<title>Source and Destination Folders</title> +<para>The source folder and destination folder panes display the folders in which compared files reside. +When many subfolders are included in the comparison, then selecting a folder will display the first document in +that folder where a difference was found between the source and destination.</para> +</sect3> + +<sect3 id="source-destination-files"> +<title>Source and Destination Files</title> +<para>The source and destination file pane displays files where a difference was found for the currently selected source or destination folder. +When a folder has multiple documents containing differences, all documents with a difference are listed. The selected document is displayed.</para> +</sect3> + +<sect3 id="source-destination-lines"> +<title>Source and Destination Line Changes</title> +<para>The source and destination line changes pane summarizes the differences found between the current source and destination documents. +Selecting a record within the pane highlights and selects the difference. This is a useful way to navigate and inspect long documents with many differences.</para> +</sect3> + +<sect3 id="source-destination-view"> +<title>Source and Destination View</title> +<para>The source and destination view is the main workspace of &kompare;. +The contents and highlighted differences of the currently selected source and destination file are displayed here with line numbers..</para> +</sect3> + +<sect3 id="text-view"> +<title>Text View</title> +<para>The <guilabel>Text View</guilabel> is not displayed by default. It can be opened by selecting +<menuchoice><guimenu>Settings</guimenu><guimenuitem>Show Text View</guimenuitem></menuchoice>.</para> +<!-- Other than a notepad, what is this text view good for? --> +</sect3> + +<sect3 id="statusbar"> +<title>Statusbar</title> +<para>The status bar provides a summary of the current source and destination file or folder under comparison. +The status bar also reports the number of changes found in the current document and counts the differences that have been applied. +Furthermore, the status bar shows the overall number of documents containing differences and the current document number selected from this set. +For example, a comparison run over two folders may return 1890 files with differences. The currently selected document is number 18 of 1890.</para> +</sect3> +</sect2> +</sect1> + +<sect1 id="viewing-differences"> +<title>Viewing Differences</title> + +<sect2 id="managing-screen-real-estate"> +<title>Managing Screen Real-Estate</title> +<para>&kompare; displays the source and destination file under using equal percentage of the main interface view work area. +This view area provides some features that help optimize use of screen real-estate while viewing differences, including:</para> +<variablelist> +<varlistentry> +<term>Dual Scrollbars</term> +<listitem><para>The most obvious feature is that scrollbars are provided both on the right and bottom edges of the view area. +Using the scrollbars it is possible to move rapidly through the comparison.</para></listitem> +</varlistentry> +<varlistentry> +<term>Share Grip Handle</term> +<listitem><para>The vertical space between the source and destination view not only makes it possible to clearly see the start and end of lines in each of the panes, +but is also a grip handle that allows adjustment of percentage occupied between the source and destinate views that comprise the view pane. +To change pane size for one of the views, hover the mouse pointer over the grip handle then hold down the mouse button and drag left or right. +Naturally, increasing the area of one pane will decrease the area available to the opposite pane within the view panel area.</para></listitem> +</varlistentry> +<varlistentry> +<term>Docking</term> +<listitem><para>The main workspace can be undocked from the main interface by clicking the <guibutton>undock</guibutton> button located top right of the main workspace panel. +This opens the main workspace in a window of its own, allowing it to be maximized and resized across the screen.</para></listitem> +</varlistentry> +<varlistentry> +<term>Statusbar Toggle</term> +<listitem> +<para>The status bar of the view panel can be toggled ON/OFF by selecting <menuchoice><guimenu>Settings</guimenu><guimenuitem>Hide/Show Statusbar</guimenuitem></menuchoice>.</para> +</listitem> +</varlistentry> +</variablelist> +</sect2> + +<sect2 id="switching-source-and-destination-view"> +<title>Switching Source and Destination Views</title> + +<para>Sometimes it can be useful to consider what the file to which differences where to be applied as the source. +For example, when comparing two modified versions of a file and discovering that the one file has many more modifications that the other. +The file with more changed would be better as the source, since then fewer differences would need to be applied.</para> +<para>In this case select <menuchoice><guimenu>File</guimenu><guimenuitem>Swap Source with Destination</guimenuitem></menuchoice>. +This will switch the files displayed in all &kompare; panels.</para> +</sect2> + +<sect2 id="display-difference-statistics"> +<title>Displaying Difference Statistics</title> +<para>For a quick overview of the differences, select <menuchoice><guimenu>File</guimenu><guimenuitem>Show Statistics</guimenuitem></menuchoice>. +This will display the <guilabel>Diff Statistics</guilabel> dialog. The following information is provided:</para> +<variablelist> +<varlistentry> +<term><guilabel>Old file:</guilabel></term> +<listitem><para>The file name of what is usually the destination file or file that is unmodified and to which differences will be applied.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>New file:</guilabel></term> +<listitem><para>The file name of what is usually the source file or file that is modified.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Format:</guilabel></term> +<listitem><para>The diff format used to display the difference (see <xref linkend="diff-format"/>).</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Number of hunks:</guilabel></term> +<listitem> +<para>The number of hunks found in the difference.</para> +<para>A hunk is a <quote>c<emphasis>hunk</emphasis></quote> of lines that have been marked as different between +source and destination and may include context lines depending on the diff format <guilabel>Lines of Context</guilabel> value (see <xref linkend="diff-format"/>).</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Number of differences</guilabel></term> +<listitem><para>The actual number of differences found, not hunks. A hunk can contain one or more differences +when the line change range and the context lines of any two or more changes overlap.</para></listitem> +</varlistentry> +</variablelist> +</sect2> + +<sect2 id="navigating-the-difference-view"> +<title>Navigating the Difference View</title> +<para>&kompare; enables rapid navigation of differences on a file level and of multiple difference files when comparing folder trees.</para> + +<sect3 id="selecting-a-difference"> +<title>Selecting a Difference</title> +<para>A difference can be selected using by:</para> +<itemizedlist> +<listitem><para>clicking a line in the Source and Destination Line Changes pane (top right of the main window).</para></listitem> +<listitem><para>clicking the highlighted difference in the View pane.</para></listitem> +<listitem><para>traversing the listed differences in a comparison (see <xref linkend="traversing-differences"/>).</para></listitem> +</itemizedlist> +<para>When a difference is selected it is considered to be <quote>in focus</quote> and is displayed in a brighter color that non-selected differences.</para> +</sect3> + +<sect3 id="traversing-differences"> +<title>Traversing Differences</title> +<para>When a comparison finds many differences one of the best ways to approach reviewing them is to traverse the differences in a logical order, usually from top to bottom.</para> +<para>By default &kompare; selects the first difference found in a comparison. By selecting +<menuchoice><guimenu>Difference</guimenu><guimenuitem>Next Difference</guimenuitem></menuchoice> +(<keycombo action="simul">&Ctrl;<keycap>Down</keycap></keycombo>) the difference following the current selection is brought into focus. +To select the difference before the current difference +select <menuchoice><guimenu>Difference</guimenu><guimenuitem>Previous Difference</guimenuitem></menuchoice> +(<keycombo action="simul">&Ctrl;<keycap>Up</keycap></keycombo>).</para> +<para>In this way it is possible to traverse differences in an orderly manner, applying and unapply differences upon review.</para> +</sect3> + +<sect3 id="switching-between-files"> +<title>Switching Between Files</title> +<para>When a comparison is performed on folder level, many files may be found with differences. +A complete list of the files compared with difference found is provided in the <quote>Source and Destination Folders</quote>, +and <quote>Source and Destination Files</quote> panes. However, &kompare; displays differences between source and destination one comparison at time.</para> +<para>To switch between documents in this scenario the following options are available:</para> +<itemizedlist> +<listitem><para>Select the <quote>Source and Destination Folders</quote> pane to display file differences found in the +<quote>Source and Destination Files</quote> pane, then select a file.</para></listitem> +<listitem><para>Select <menuchoice><guimenu>Difference</guimenu><guimenuitem>Previous File</guimenuitem></menuchoice> +(<keycombo action="simul">&Ctrl;<keycap>PageUp</keycap></keycombo>) or +<menuchoice><guimenu>Difference</guimenu><guimenuitem>Next File</guimenuitem></menuchoice> +(<keycombo action="simul">&Ctrl;<keycap>PageDown</keycap></keycombo>) to +display the previous or next difference file found in the <quote>Source and Destination Files</quote> pane.</para> +</listitem> +</itemizedlist> +</sect3> +</sect2> +</sect1> + +<sect1 id="merging-differences"> +<title>Merging Differences</title> + +<para>&kompare; makes the task of applying and unapplying differences as simple as point and click. +Multiple apply and unapply operations can be performed on a difference as all operations are performed in memory and not written to the files on disk until the save operation is performed.</para> + +<sect2 id="applying-a-difference"> +<title>Applying a Difference</title> +<para>To apply a difference, click the highlighted difference region, then select +<menuchoice><guimenu>Difference</guimenu><guimenuitem>Apply Difference</guimenuitem></menuchoice> (<keycombo><keycap>Space</keycap></keycombo>).</para> +</sect2> + +<sect2 id="unapplying-a-difference"> +<title>Unapplying a Difference</title> +<para>To unapply a difference, click the highlighted difference region previously applied, then select +<menuchoice><guimenu>Difference</guimenu><guimenuitem>Unapply Difference</guimenuitem></menuchoice> (<keycombo><keycap>Backspace</keycap></keycombo>).</para> +</sect2> + +<sect2 id="applying-all-differences"> +<title>Applying All Differences</title> +<para>After reviewing differences between files and finding all acceptable it is possible apply them all with a single operation by selecting +<menuchoice><guimenu>Difference</guimenu><guimenuitem>Apply All</guimenuitem></menuchoice> (<keycombo action="simul">&Ctrl;<keycap>A</keycap></keycombo>).</para> +</sect2> + +<sect2 id="unapplying-all-differences"> +<title>Unapplying All Differences</title> +<para>To differences that have been applied select +<menuchoice><guimenu>Difference</guimenu><guimenuitem>Unapply All</guimenuitem></menuchoice> (<keycombo action="simul">&Ctrl;<keycap>U</keycap></keycombo>).</para> +</sect2> + +<sect2 id="saving-changes"> +<title>Saving Changes</title> +<para>Once differences have been applied they can be saved by selecting +<menuchoice><guimenu>File</guimenu><guimenuitem>Save</guimenuitem></menuchoice> or +<menuchoice><guimenu>File</guimenu><guimenuitem>Save All...</guimenuitem></menuchoice>.</para> +<para>Applied differences are saved to both the source and destination file.</para> +</sect2> +</sect1> + +<sect1 id="working-with-diff-files"> +<title>Working with Diff Files</title> +<para>Diff files contain only the changes made between files, or a set of files within a folder system, and may or may not contain a number of context lines before and after line changes. +The sum of a line change and its context lines is known a hunk. A diff file therefore may contain multiple hunks from one or more files. +When the context lines of two or more hunks overlap, they are considered a single hunk. Diff files can be used to:</para> +<itemizedlist> +<listitem><para>Apply the changes contained in the hunks to an original file.</para></listitem> +<listitem><para>Apply the changes contained in the hunks to a file or set of original files within a folder system.</para></listitem> +<listitem><para>Modified before being applied to an original file or set of original files within a folder system.</para></listitem> +</itemizedlist> + +<sect2 id="creating-a-diff"> +<title>Creating a Diff</title> +<para>To create a diff file a comparison must be displayed in &kompare;. Assuming this is the case, then select <menuchoice><guimenu>File</guimenu><guimenuitem>Save .diff</guimenuitem></menuchoice>. +This will display the <guilabel>Diff Options</guilabel> dialog (see <xref linkend="diff-settings"/> for more information on diff formats and options). +After configuring these options, click the <guibutton>Save</guibutton> button and save the diff to a file with the extension <filename class="extension">.diff</filename>.</para> +</sect2> + +<sect2 id="displaying-a-diff"> +<title>Displaying a Diff</title> +<para>It is possible to display the contents of a diff file within &kompare; by opening the diff file from <menuchoice><guimenu>File</guimenu><guimenuitem>Open Diff...</guimenuitem></menuchoice>.</para> +<para>When viewing a diff file the hunks between the source and destination file are shown, remember that only the hunks are shown, no unmodified lines will be shown. +In some cases a diff file is created with 0 lines of context. In this case only the changed lines will be displayed.</para> +<para>When a diff file contains hunks from multiple files &kompare; displays the hunks from each file one at a time and you can +switch between files as though they were real files even though this information is only provided by the diff file contents.</para> +</sect2> + +<sect2 id="applying-a-diff"> +<title>Applying Differences in a Diff File</title> +<para>When viewing differences in a diff file it is possible to apply difference as you would when comparing source and destination files (see <xref linkend="merging-differences"/>).</para> +</sect2> + +<sect2 id="blending-a-diff"> +<title>Blending a &URL; with a Diff</title> +<para>In cases where a diff file is provided it is possible to compare the hunks in the diff against a file or folder. +To do this select <menuchoice><guimenu>File</guimenu><guimenuitem>Blend URL with Diff...</guimenuitem></menuchoice>. +Then input the <guilabel>File/Folder</guilabel> and <guilabel>Diff Output</guilabel> paths.</para> +<para>When viewing differences between a source file and a diff file it is possible to apply difference as you would when comparing source and destination files (see <xref linkend="merging-differences"/>).</para> +</sect2> + +</sect1> +</chapter> + +<chapter id="configure-preferences"> +<title>Configuring Preferences</title> + +<para>&kompare; enables users to set appearance preferences for difference formatting in the main interface and set behavioural properties of the diff program. +The <guilabel>Preferences</guilabel> dialog can be accessed by selecting +<menuchoice><guimenu>Settings</guimenu><guisubmenu>Configure &kompare;...</guisubmenu></menuchoice>.</para> + +<para>To configure preferences for appearance select the <guilabel>View</guilabel> menu item (see <xref linkend="view-settings"/>).</para> + +<para>To configure preferences for diff program properties select the <guilabel>Diff</guilabel> menu item (see <xref linkend="diff-settings"/>).</para> + +<sect1 id="view-settings"> +<title>View Settings</title> +<para>The <guimenu>View</guimenu> menu found on the <guilabel>Preferences</guilabel> dialog displays the <guilabel>Appearance</guilabel> +and <guilabel>Fonts</guilabel> tabbed forms.</para> + +<sect2 id="appearance"> +<title>Appearance</title> +<para>The <guilabel>Appearance</guilabel> form provides controls to manage the <guilabel>Colors</guilabel> used +to denote difference in the main interface, behaviour of the <guilabel>Mouse Wheel</guilabel> when jogging up and down +and how <guilabel>Tabs to Spaces</guilabel> conversion is managed.</para> +<screenshot> +<screeninfo>&kompare; Appearance Settings</screeninfo> + <mediaobject> + <imageobject> + <imagedata fileref="settings-view1.png" format="PNG"/> + </imageobject> + <textobject> + <phrase>&kompare; Appearance Settings</phrase> + </textobject> + </mediaobject> +</screenshot> +<variablelist> +<title>Color Group</title> +<para>To adjust color preferences used when displaying differences, click the color button to display the <guilabel>Select Color</guilabel> dialog for the following states:</para> +<varlistentry> +<term><guilabel>Removed color</guilabel></term> +<listitem><para>Lines that have been removed, do not exist, between source and destination.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Changed color</guilabel></term> +<listitem><para>Lines that have been changed, modified, between source and destination. </para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Added color</guilabel></term> +<listitem><para>Lines that have been added between source and destination.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Applied color</guilabel></term> +<listitem><para>Any of the above states where the difference has been applied between source and destination.</para></listitem> +</varlistentry> +</variablelist> +<variablelist> +<title>Mouse Wheel</title> +<varlistentry> +<term><guilabel>Number of lines</guilabel></term> +<listitem><para>The number of lines to jog the differences when turning the mouse wheel forward or backward.</para></listitem> +</varlistentry> +</variablelist> +<variablelist> +<title>Tabs to Spaces</title> +<varlistentry> +<term><guilabel>Number of spaces to convert a tab character to</guilabel></term> +<listitem><para>Convert each tab character to n space characters.</para></listitem> +</varlistentry> +</variablelist> +</sect2> + +<sect2 id="fonts"> +<title>Fonts</title> +<screenshot> +<screeninfo>&kompare; Fonts Settings</screeninfo> + <mediaobject> + <imageobject> + <imagedata fileref="settings-view2.png" format="PNG"/> + </imageobject> + <textobject> + <phrase>&kompare; Fonts Settings</phrase> + </textobject> + </mediaobject> +</screenshot> +<para>Select the font family and size to display when displaying differences.</para> +</sect2> +</sect1> + +<sect1 id="diff-settings"> +<title>Diff Settings</title> +<para>The <guimenu>Diff</guimenu> menu found on the <guilabel>Preferences</guilabel> dialog displays the <guilabel>Diff</guilabel>, +<guilabel>Format</guilabel>, <guilabel>Options</guilabel> and <guilabel>Exclude</guilabel> tabbed forms. These forms can be used to configure the +behavioural properties of the Diff program.</para> + +<sect2 id="diff"> +<title>Diff</title> +<screenshot> +<screeninfo>&kompare; Diff Settings</screeninfo> + <mediaobject> + <imageobject> + <imagedata fileref="settings-diff1.png" format="PNG"/> + </imageobject> + <textobject> + <phrase>&kompare; Diff Settings</phrase> + </textobject> + </mediaobject> +</screenshot> +<para>The command used to run the diff program (default <application>diff</application>).</para> +</sect2> + +<sect2 id="diff-format"> +<title>Format</title> +<screenshot> +<screeninfo>&kompare; Format Settings</screeninfo> + <mediaobject> + <imageobject> + <imagedata fileref="settings-diff2.png" format="PNG"/> + </imageobject> + <textobject> + <phrase>&kompare; Format Settings</phrase> + </textobject> + </mediaobject> +</screenshot> +<para>Adjust options for the <guilabel>Output Format</guilabel> and number of <guilabel>Lines of Context</guilabel>.</para> +<variablelist> +<title>Output Format</title> +<varlistentry> +<term><guilabel>Context</guilabel></term> +<listitem> +<para>The context output format adds several lines of context around the lines that differ.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Ed</guilabel></term> +<listitem> +<para>diff can produce commands that direct the ed text editor to change the first file into the second file. +Historically, this was the only output mode suitable for automatically editing one file into another. +With the advent of <application>patch</application> this option is hardly ever used.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Normal</guilabel></term> +<listitem> +<para>The normal output format displays differing lines without any surrounding lines of context. </para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>RCS</guilabel></term> +<listitem> +<para>The RCS output format is designed specifically for use by the Revision Control System (<acronym>RCS</acronym>). +Like Ed format, this format is rarely used since the <application>patch</application> program was introduced.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Unified</guilabel></term> +<listitem> +<para>The unified output format is a variation on the context format. It is considered better than context because the +output is more compact than that of context as it omits redundant context lines.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Side-by-side</guilabel></term> +<listitem> +<para>Use the side by side output format which displays files listed in two columns with a gutter between them. This option is only available from the <guilabel>Diff Options</guilabel> dialog (see <xref linkend="creating-a-diff"/>).</para> +</listitem> +</varlistentry> +</variablelist> +<variablelist> +<title>Lines of Context</title> +<varlistentry> +<term><guilabel>Number of context lines</guilabel></term> +<listitem> +<para>When performing a diff with context or unified output format use this parameter to control the number of context lines included.</para> +</listitem> +</varlistentry> +</variablelist> +</sect2> + +<sect2 id="options"> +<title>Options</title> +<screenshot> +<screeninfo>&kompare; OptionsSettings</screeninfo> + <mediaobject> + <imageobject> + <imagedata fileref="settings-diff3.png" format="PNG"/> + </imageobject> + <textobject> + <phrase>&kompare; Options Settings</phrase> + </textobject> + </mediaobject> +</screenshot> +<para>The <guilabel>Options</guilabel> tab form allows configuration of the options supported by the diff program.</para> +<variablelist> +<title>General</title> +<varlistentry> +<term><guilabel>Look for smaller changes</guilabel></term> +<listitem><para>Forces diff to display changes in case, punctuation, space, &etc; when checked.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Optimise for large files</guilabel></term> +<listitem><para>Switches diff to process files with high-speed when checked.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Ignore changes in case</guilabel></term> +<listitem><para>Lower and Uppercase character changes are omitted when this option is checked.</para></listitem> +</varlistentry> +</variablelist> +<variablelist> +<title>Ignore regexp</title> +<varlistentry> +<term><guilabel>Ignore regexp</guilabel></term> +<listitem><para>Ignore lines matching a regular expression.</para></listitem> +</varlistentry> +</variablelist> +<variablelist> +<title>Whitespace</title> +<varlistentry> +<term><guilabel>Expand tabs to spaces in output</guilabel></term> +<listitem><para>When checked diff outputs will converts tab characters to the number of spaces defined in the +<guilabel>Preferences</guilabel> dialog <guimenu>View</guimenu> menu <guilabel>Tabs to Spaces</guilabel> option.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Ignore added or removed empty lines</guilabel></term> +<listitem><para>lines of zero length that differ between source and destination are ignored when this option is checked.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Ignore changes in the amount of whitespace</guilabel></term> +<listitem><para>White space before, after and between lines may change depending on different editors. +When this option is checked such changes are ignored.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Ignore all whitespace</guilabel></term> +<listitem><para>when checked white space differences are completely ignored.</para></listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Ignore changes due to tab expansion</guilabel></term> +<listitem><para>when checked white space resulting from tab characters is ignored.</para></listitem> +</varlistentry> +</variablelist> +</sect2> + +<sect2 id="exclude"> +<title>Exclude</title> +<para>The <guilabel>Exclude</guilabel> form enables use of the filter options provided by the diff program.</para> +<screenshot> +<screeninfo>&kompare; Exclude Settings</screeninfo> + <mediaobject> + <imageobject> + <imagedata fileref="settings-diff4.png" format="PNG"/> + </imageobject> + <textobject> + <phrase>&kompare; Exclude Settings</phrase> + </textobject> + </mediaobject> +</screenshot> +<variablelist> +<title>File Pattern to Exclude</title> +<varlistentry> +<term><guilabel>File Pattern to Exclude</guilabel></term> +<listitem><para>Exclude files based on wild card filtering</para></listitem> +</varlistentry> +</variablelist> +<variablelist> +<title>File with Filenames to Exclude</title> +<varlistentry> +<term><guilabel>File with Filenames to Exclude</guilabel></term> +<listitem><para>Define the filter based on the content of an externally managed file.</para></listitem> +</varlistentry> +</variablelist> +</sect2> +</sect1> + +</chapter> + +<chapter id="command-reference"> +<title>Command Reference</title> + +<sect1 id="file-menu"> +<title>The <guimenu>File</guimenu> Menu</title> +<variablelist> +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>O</keycap></keycombo> +</shortcut> +<guimenu>File</guimenu><guimenuitem>Open Diff...</guimenuitem></menuchoice></term> +<listitem><para>Displays the <guilabel>Open</guilabel> dialog.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>C</keycap></keycombo> +</shortcut> +<guimenu>File</guimenu><guimenuitem>Compare Files...</guimenuitem></menuchoice></term> +<listitem><para>Displays the <guilabel>Compare Files or Folders</guilabel> dialog.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>B</keycap></keycombo> +</shortcut> +<guimenu>File</guimenu><guimenuitem>Blend URL with Diff...</guimenuitem></menuchoice></term> +<listitem><para>Displays the <guilabel>Blend File/Folder with diff Output</guilabel> dialog.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>S</keycap></keycombo> +</shortcut> +<guimenu>File</guimenu><guimenuitem>Save</guimenuitem></menuchoice></term> +<listitem><para>Writes applied differences to current source and or destination file.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice><guimenu>File</guimenu><guimenuitem>Save All</guimenuitem></menuchoice></term> +<listitem><para>Writes applied differences to all source and or destination files.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice><guimenu>File</guimenu><guimenuitem>Save .diff</guimenuitem></menuchoice></term> +<listitem><para>Displays the <guilabel>Diff Options</guilabel> dialog to define diff format and options.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice><guimenu>File</guimenu><guimenuitem>Swap Source with Destination</guimenuitem></menuchoice></term> +<listitem><para>Changes source and destination.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<guimenu>File</guimenu><guimenuitem>Show Statistics</guimenuitem></menuchoice></term> +<listitem><para>Displays the <guilabel>Display Statistics</guilabel> dialog.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>Q</keycap></keycombo> +</shortcut> +<guimenu>File</guimenu><guimenuitem>Quit</guimenuitem></menuchoice></term> +<listitem><para>Exits &kompare;.</para></listitem> +</varlistentry> +</variablelist> +</sect1> + +<sect1 id="difference-menu"> +<title>The <guimenu>Difference</guimenu> Menu</title> +<variablelist> +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>U</keycap></keycombo> +</shortcut> +<guimenu>Difference</guimenu><guimenuitem>Unapply All</guimenuitem></menuchoice></term> +<listitem><para>Unapply all differences previously applied between source and destination.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut><keycap>Backspace</keycap></shortcut> +<guimenu>Difference</guimenu><guimenuitem>Unapply Difference</guimenuitem></menuchoice></term> +<listitem><para>Revert a selected difference previously applied.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut><keycap>Space</keycap></shortcut> +<guimenu>Difference</guimenu><guimenuitem>Apply Difference</guimenuitem></menuchoice></term> +<listitem><para>Apply a selected difference.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>A</keycap></keycombo> +</shortcut> +<guimenu>Difference</guimenu><guimenuitem>Apply All</guimenuitem></menuchoice></term> +<listitem><para>Apply all differences between source and destination.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>PageUp</keycap></keycombo> +</shortcut> +<guimenu>Difference</guimenu><guimenuitem>Previous File</guimenuitem></menuchoice></term> +<listitem><para>Make the previous difference, in the list of differences, the current file in the view pane.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>PageDown</keycap></keycombo> +</shortcut> +<guimenu>Difference</guimenu><guimenuitem>Next File</guimenuitem></menuchoice></term> +<listitem><para>Make the next difference, in the list of differences, the current file in the view pane.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>Up</keycap></keycombo> +</shortcut> +<guimenu>Difference</guimenu><guimenuitem>Previous Difference</guimenuitem></menuchoice></term> +<listitem><para>Select the difference above the currently selected difference.</para></listitem> +</varlistentry> + +<varlistentry> +<term><menuchoice> +<shortcut> +<keycombo action="simul">&Ctrl;<keycap>Down</keycap></keycombo> +</shortcut> +<guimenu>Difference</guimenu><guimenuitem>Next Difference</guimenuitem></menuchoice></term> +<listitem><para>Select the difference below the currently selected difference.</para></listitem> +</varlistentry> +</variablelist> +</sect1> + +<sect1 id="settingsmenu"> +<title>The <guimenu>Settings</guimenu> Menu</title> +<variablelist> +<varlistentry> +<term><menuchoice><guimenu>Settings</guimenu><guimenuitem>Hide/Show Toolbar</guimenuitem></menuchoice></term> +<listitem><para>Toggle the toolbar display ON/OFF.</para></listitem> +</varlistentry> +<varlistentry> +<term><menuchoice><guimenu>Settings</guimenu><guimenuitem>Show/Hide Statusbar</guimenuitem></menuchoice></term> +<listitem><para>Toggle the status bar display ON/OFF.</para></listitem> +</varlistentry> +<varlistentry> +<term><menuchoice><guimenu>Settings</guimenu><guimenuitem>Show Text View</guimenuitem></menuchoice></term> +<listitem><para>Display the <guilabel>Text View</guilabel> pane.</para></listitem> +</varlistentry> +<varlistentry> +<term><menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure Shortcuts...</guimenuitem></menuchoice></term> +<listitem><para>Display the <guilabel>Configure Shortcuts</guilabel> dialog.</para></listitem> +</varlistentry> +<varlistentry> +<term><menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure Toolbars...</guimenuitem></menuchoice></term> +<listitem><para>Display the <guilabel>Configure Toolbar</guilabel>.</para></listitem> +</varlistentry> +<varlistentry> +<term><menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure &kompare;...</guimenuitem></menuchoice></term> +<listitem><para>Display the &kompare; <guilabel>Preference</guilabel> dialog.</para></listitem> +</varlistentry> +</variablelist> +</sect1> + +<sect1 id="help-menu"> +<title>The <guimenu>Help</guimenu> Menu</title> + +&help.menu.documentation; +</sect1> +</chapter> + +<chapter id="credits"> + +<title>Credits and License</title> + +<para> +&kompare; +</para> +<para> +Program copyright 2001-2004, &John.Firebaugh; &John.Firebaugh.mail; +and Otto Bruggeman<email>otto.bruggeman@home.nl</email> +</para> + +<para> +Documentation Copyright © 2007 Sean Wheller <email>sean@inwords.co.za</email> +</para> + +<!-- TRANS:CREDIT_FOR_TRANSLATORS --> + +&underFDL; <!-- FDL: do not remove --> +&underGPL; <!-- GPL License --> + +</chapter> + +<appendix id="installation"> +<title>Installation</title> + +<sect1 id="getting-kapp"> +<title>How to obtain &kompare;</title> + 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