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- <td>
- <h1>
- InstallOptions 2</h1>
- <div>
- <p>
- The InstallOptions plug-in is deprecated. For new scripts, it is recommended to
- use the new nsDialogs plug-in instead.</p>
- </div>
- <div>
- <h2 id="intro">
- Introduction</h2>
- <div>
- <p>
- InstallOptions is an NSIS plugin which allows you to create custom pages for NSIS
- installers, to prompt the user for extra information.</p>
- <p>
- The dialogs created by InstallOptions are based on INI files which define the controls
- on the dialog and their properties. These INI files can be modified from the script
- to adjust the dialogs at runtime.</p>
- <p>
- The format of INI files is described in a <a href="http://en.wikipedia.org/wiki/Ini_file">
- Wikipedia article</a>.</p>
- </div>
- <h2 id="ini">
- INI file structure</h2>
- <div>
- <p>
- The INI file has one required section. This section includes the number of controls
- to be created as well as general window attributes. The INI file also includes a
- variable number of Field sections which are used to create the controls to be displayed.</p>
- <p>
- The required section is named "<em>Settings</em>". It can contain the
- following values:</p>
- <table class="subtable">
- <tr>
- <td class="lefttable">
- <strong>NumFields</strong></td>
- <td class="lefttable">
- <em>(required)</em></td>
- <td class="righttable">
- The number of control elements to be displayed on the dialog window.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Title</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- If specified, gives the text to set the titlebar to. Otherwise, the titlebar text
- is not changed.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>CancelEnabled</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- If specified, overrides NSIS settings and enables or disables the cancel button.
- If set to 1, the cancel button will be enabled. If set to 0, the cancel button will
- be disabled.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>CancelShow</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- If specified, overrides NSIS settings and shows or hides the cancel button If set
- to 1, the cancel button will be shown. If set to 0, the cancel button will be hidden.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>BackEnabled</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- If specified, overrides NSIS settings and enables or disables the back button. If
- set to 1, the back button will be enabled. If set to 0, the back button will be
- disabled.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>CancelButtonText</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Overrides the text for the cancel button. If not specified, the cancel button text
- will not be changed.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>NextButtonText</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Overrides the text for the next button. If not specified, the next button text will
- not be changed.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>BackButtonText</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Overrides the text for the back button. If not specified, the back button text will
- not be changed.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Rect</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Overrides the default rect ID to run over. This will make IO resize itself according
- to a different rect than NSIS's dialogs rect.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>RTL</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- If 1 is specified the dialog will be mirrored and all texts will be aligned to the
- right. The INSTALLOPTIONS_EXTRACT macros automatically set this field to the right
- value for the current installer language as given by the NSIS string $(^RTL).</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>State</strong></td>
- <td class="lefttable">
- <em>(output)</em></td>
- <td class="righttable">
- This is not something you have to supply yourself but is set by InstallOptions,
- before calling your custom page validation function, to the field number of the
- custom Button control (or other control having the Notify flag) the user pressed,
- if any.</td>
- </tr>
- </table>
- <p>
- Each field section has the heading "Field #" where # must be sequential
- numbers from 1 to NumFields. Each Field section can contain the following values:</p>
- <table class="subtable">
- <tr>
- <td class="lefttable">
- <strong>Type</strong></td>
- <td class="lefttable">
- <em>(required)</em></td>
- <td class="righttable">
- Type of control to be created. Valid values are "<em>Label</em>", "<em>Text</em>",
- "<em>Password</em>", "<em>Combobox</em>", "<em>DropList</em>",
- "<em>Listbox</em>", "<em>CheckBox</em>", "<em>RadioButton</em>",
- "<em>FileRequest</em>", "<em>DirRequest</em>" "<em>Icon</em>",
- "<em>Bitmap</em>", "<em>GroupBox</em>", "<em>HLine</em>",
- "<em>VLine</em>", "<em>Link</em>" or "<em>Button</em>".<br />
- <br />
- A "<em>Label</em>" is used to display static text. (i.e. a caption for
- a textbox)<br />
- A "<em>Text</em>" and "<em>Password</em>" accept text input
- from the user. "<em>Password</em>" masks the input with * characters.<br />
- A "<em>Combobox</em>" allows the user to type text not in the popup list,
- a "<em>Droplist</em>" only allows selection of items in the list.<br />
- A "<em>Listbox</em>" shows multiple items and can optionally allow the
- user to select more than one item.<br />
- A "<em>CheckBox</em>" control displays a check box with label.<br />
- A "<em>RadioButton</em>" control displays a radio button with label.<br />
- A "<em>FileRequest</em>" control displays a textbox and a browse button.
- Clicking the browse button will display a file requester where the user can browse
- for a file.<br />
- A "<em>DirRequest</em>" control displays a textbox and a browse button.
- Clicking the browse button will display a directory requester where the user can
- browse for a directory.<br />
- An "<em>Icon</em>" control displays an icon. Use no Text to use the installer
- icon.<br />
- A "<em>Bitmap</em>" control displays a bitmap.<br />
- A "<em>GroupBox</em>" control displays a frame to group controls.<br />
- A "<em>HLine</em>" control displays a horizontal line to separate controls.<br />
- A "<em>VLine</em>" control displays a vertical line to separate controls.<br />
- A "<em>Link</em>" control displays a static hot text. When the user clicks
- the control the contents of <strong>State</strong> (e.g. http://...) will be executed
- using ShellExecute. Alternatively <strong>State</strong> can be omitted and the
- <em>NOTIFY</em> flag used to have your NSIS script called. See the "<em>NOTIFY</em>"
- flag below for more information.<br />
- A "<em>Button</em>" control displays a push button that can be used in
- the same way as the "<em>Link</em>" control above.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Text</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Specifies the caption of a label, checkbox, or radio button control. For DirRequest
- control this specifies the title of the browse dialog. For icon and bitmaps control
- this specifies the path to the image.<br />
- <br />
- <strong>Note:</strong> For labels, \r\n will be converted to a newline. To use a
- back-slash in your text you have to escape it using another back-slash - \\. Described
- <a href="#escaping">below</a> are NSIS functions for converting text to/from this
- format.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>State</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Specifies the state of the control. This is updated when the user closes the window,
- so you can read from it from NSIS. For edit texts and dir and file request boxes,
- this is the string that is specified. For radio button and check boxes, this can
- be '0' or '1' (for unchecked or checked). For list boxes, combo boxes and drop lists
- this is the selected items separated by pipes ('|'). For Links and Buttons this
- can specify something to be executed or opened (using ShellExecute).<br />
- <br />
- <strong>Note:</strong> For Text fields with the MULTILINE flag, \r\n will be converted
- to a newline. To use a back-slash in your text you have to escape it using another
- back-slash - \\. Described <a href="#escaping">below</a> are NSIS functions for
- converting text to/from this format.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>ListItems</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- A list of items to display in a combobox, droplist, or listbox.<br />
- This is a single line of text with each item separated by a pipe character '|'</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>MaxLen</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Causes validation on the selected control to limit the maximum length of text.<br />
- If the user specifies more text than this, a message box will appear when they click
- "OK" and the dialog will not be dismissed.<br />
- You should not use this on a "<em>combobox</em>" since the user can not
- control what is selected.<br />
- This should be set to a maximum of 260 for "<em>FileRequest</em>" and
- "<em>DirRequest</em>" controls.<br />
- Ignored on "<em>Label</em>" controls.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>MinLen</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Causes validation on the selected control to force the user to enter a minimum amount
- of text.<br />
- If the user specifies less text than this, a message box will appear when they click
- "OK" and the dialog will not be dismissed.<br />
- Unlike MaxLen, this is useful for "<em>Combobox</em>" controls. By setting
- this to a value of "1" the program will force the user to select an item.<br />
- Ignored on "<em>Label</em>" controls.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>ValidateText</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- If the field fails the test for "<em>MinLen</em>" or "<em>MaxLen</em>",
- a messagebox will be displayed with this text.<br />
- <br />
- <strong>Note:</strong> \r\n will be converted to a newline, two back-slashes will
- be converted to one - \\. Described <a href="#escaping">below</a> are NSIS functions
- for converting text to/from this format.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Left<br />
- Right<br />
- Top<br />
- Bottom</strong></td>
- <td class="lefttable">
- <em>(required)</em></td>
- <td class="righttable">
- The position on the dialog where this control appears. All sizes should be set in
- dialog units. To get the right dimensions for your controls, design your dialog
- using a resource editor and copy the dimensions to the INI file.<br />
- <br />
- <strong>Note:</strong> You can specify negative coordinates to specify the distance
- from the right or bottom edge.<br />
- <br />
- <strong>Note (2):</strong> For combobox or droplist, the "<em>bottom</em>"
- value is not used in the same way.<br />
- In this case, the bottom value is the maximum size of the window when the pop-up
- list is being displayed. All other times, the combobox is automatically sized to
- be one element tall. If you have trouble where you can not see the combobox drop-down,
- then check the bottom value and ensure it is large enough. A rough guide for the
- height required is the number of items in the list multiplied by 8, plus 20.<br />
- <br />
- <strong>Note (3):</strong> FileRequest and DirRequest controls will allocate 15
- dialog units to the browse button. Make this control wide enough the contents of
- the textbox can be seen.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Filter</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Specifies the filter to be used in the "<em>FileRequest</em>" control.<br />
- This is constructed by putting pairs of entries together, each item separated by
- a | character.<br />
- The first value in each pair is the text to display for the filter.<br />
- The second value is the pattern to use to match files.<br />
- For example, you might specify:<br />
- Filter=Text Files|*.txt|Programs|*.exe;*.com|All Files|*.*<br />
- If not specified, then the filter defaults to All Files|*.*<br />
- <br />
- <strong>Note:</strong> you should not put any extra spaces around the | characters.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Root</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Used by <strong>DirRequest</strong> controls to specify the root directory of the
- search. By default, this allows the user to browse any directory on the computer.
- This will limit the search to a particular directory on the system.</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>Flags</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- This specifies additional flags for the display of different controls. Each value
- should be separated by a | character, and you should be careful not to put any spaces
- around the | character.<br />
- <table class="righttable">
- <tr>
- <td class="righttable">
- <strong>Value</strong></td>
- <td class="righttable">
- <strong>Meaning</strong></td>
- </tr>
- <tr>
- <td class="righttable">
- REQ_SAVE</td>
- <td class="righttable">
- This causes "<em>FileRequest</em>" controls to display a Save As dialog.
- If not specified, an Open dialog is used.</td>
- </tr>
- <tr>
- <td class="righttable">
- FILE_MUST_EXIST</td>
- <td class="righttable">
- Used by "<em>FileRequest</em>" to determine if the selected file must
- exist.<br />
- This only applies if an "Open" dialog is being displayed.<br />
- This currently does not force the file to exist other than through the browse button.</td>
- </tr>
- <tr>
- <td class="righttable">
- FILE_EXPLORER</td>
- <td class="righttable">
- Used by "<em>FileRequest</em>", enables new file request look (recommended)</td>
- </tr>
- <tr>
- <td class="righttable">
- FILE_HIDEREADONLY</td>
- <td class="righttable">
- Used by "<em>FileRequest</em>", hides "open read only" checkbox
- in open dialog.</td>
- </tr>
- <tr>
- <td class="righttable">
- WARN_IF_EXIST</td>
- <td class="righttable">
- Used by "<em>FileRequest</em>" to display a warning message if the selected
- file already exists.<br />
- The warning message is only displayed for files selected with the browse button.</td>
- </tr>
- <tr>
- <td class="righttable">
- PATH_MUST_EXIST</td>
- <td class="righttable">
- Used by "<em>FileRequest</em>" to force the path to exist. Prevents the
- user from typing a non-existent path into the browse dialog window.<br />
- This only validates path's selected with the browse button.</td>
- </tr>
- <tr>
- <td class="righttable">
- PROMPT_CREATE</td>
- <td class="righttable">
- Used by "<em>FileRequest</em>" to display a warning if the selected file
- does not exist. However, it still allows the user to select the file.<br />
- This only displays the warning for files selected with the browse button.<br />
- Doesn't work along with REQ_SAVE.</td>
- </tr>
- <tr>
- <td class="righttable">
- RIGHT</td>
- <td class="righttable">
- Used by "<em>Checkbox</em>" and "<em>Radiobutton</em>" controls
- to specify you want the checkbox to the right of the text instead of the left as
- is the default.</td>
- </tr>
- <tr>
- <td class="righttable">
- MULTISELECT</td>
- <td class="righttable">
- Used by "<em>Listbox</em>" controls. Turns string selection on or off
- each time the user clicks or double-clicks a string in the list box. The user can
- select any number of strings. If this flag and EXTENDEDSELCT are not specified,
- only one item can be selected from the list.</td>
- </tr>
- <tr>
- <td class="righttable">
- EXTENDEDSELCT</td>
- <td class="righttable">
- Used by "<em>Listbox</em>" controls. Allows multiple items to be selected
- by using the SHIFT key and the mouse or special key combinations. If this flag and
- MULTISELECT are not specified, only one item can be selected from the list.</td>
- </tr>
- <tr>
- <td class="righttable">
- RESIZETOFIT</td>
- <td class="righttable">
- This causes "<em>Bitmap</em>" controls to resize the image to the size
- of the control. Also useful to support custom DPI settings. Without this, the image
- will be centered within the specified area.</td>
- </tr>
- <td class="righttable">
- TRANSPARENT</td>
- <td class="righttable">
- Used by "<em>Bitmap</em>" controls. Hides every pixel with the same color
- as of the top left pixel. This allows to see-through to controls behind it. This
- flag doesn't work well with a combination of the RESIZETOFIT flag and bitmaps with
- more than 256 colors.</td>
- </tr>
- <tr>
- <td class="righttable">
- GROUP</td>
- <td class="righttable">
- Add this flag to the first control of a group of controls to group them. Grouping
- controls allows you to create multiple groups of radio button and makes keyboard
- navigation using arrow keys easier.</td>
- </tr>
- <tr>
- <td class="righttable">
- FOCUS</td>
- <td class="righttable">
- Sets focus on the specified control, instead of the first focusable control. If
- more than one field is specified with this flag, only the first one will receive
- focus.</td>
- </tr>
- <tr>
- <td class="righttable">
- NOTABSTOP</td>
- <td class="righttable">
- Do not stop on the control when the user pressed the Tab key. Add NOTABSTOP to all
- controls of a group except the first one to allow navigation between groups with
- the Tab key.</td>
- </tr>
- <tr>
- <td class="righttable">
- DISABLED</td>
- <td class="righttable">
- Causes a control to be disabled.</td>
- </tr>
- <tr>
- <td class="righttable">
- ONLY_NUMBERS</td>
- <td class="righttable">
- Used by "<em>Text</em>" controls. Forces the user to enter only numbers
- into the edit box.</td>
- </tr>
- <tr>
- <td class="righttable">
- MULTILINE</td>
- <td class="righttable">
- Used by "<em>Text</em>" controls. Causes the control to accept multiple-lines.</td>
- </tr>
- <tr>
- <td class="righttable">
- WANTRETURN</td>
- <td class="righttable">
- Used by "<em>Text</em>" controls with multiple-line. Specifies that a
- carriage return be inserted when the user presses the ENTER key while entering text
- into the text box.</td>
- </tr>
- <tr>
- <td class="righttable">
- NOWORDWRAP</td>
- <td class="righttable">
- Used by "<em>Text</em>" controls with multiple-line. Disables the word-wrap
- that occurs when long lines are entered. Long lines instead scroll off to the side.
- Specifying the HSCROLL flag also has this effect.</td>
- </tr>
- <tr>
- <td class="righttable">
- HSCROLL</td>
- <td class="righttable">
- Show a horizontal scrollbar. When used by "<em>Text</em>" controls with
- multiple-lines this also disables word-wrap.</td>
- </tr>
- <tr>
- <td class="righttable">
- VSCROLL</td>
- <td class="righttable">
- Show a vertical scrollbar.</td>
- </tr>
- <tr>
- <td class="righttable">
- READONLY</td>
- <td class="righttable">
- Used by "<em>Text</em>" controls. Prevents the user from entering or editing
- text in the edit control, but allow the user to select and copy the text.</td>
- </tr>
- <tr>
- <td class="righttable">
- NOTIFY</td>
- <td class="righttable">
- Used by "<em>Button</em>", "<em>Link</em>", "<em>CheckBox</em>",
- "<em>RadioButton</em>", "<em>ListBox</em>" and "<em>DropList</em>"
- controls. Causes InstallOptions to call your NSIS custom page validation/leave function
- whenever the control's selection changes. Your validation/leave function can read
- the "<em>State</em>" value from the "<em>Settings</em>" section
- to determine which control caused the notification, if any, and perform some appropriate
- action followed by an Abort instruction (to tell NSIS to return to the page). The
- Examples\InstallOptions folder contains an example script showing how this might
- be used.</td>
- </tr>
- </table>
- </td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>TxtColor</strong></td>
- <td class="lefttable">
- <em>(optional)</em></td>
- <td class="righttable">
- Used by <strong>Link</strong> controls to specify the foreground color of the text.
- Format: 0xBBGGRR (hexadecimal).</td>
- </tr>
- <tr>
- <td class="lefttable">
- <strong>HWND<br>
- HWND2</strong></td>
- <td class="lefttable">
- <em>(output)</em></td>
- <td class="righttable">
- After initDialog returns, this will contain the HWND of the control created by this
- field. It can be used instead of FindWindow and GetDlgItem. HWND2 contains the HWND
- of an additional control, such as the browse button.</td>
- </tr>
- </table>
- </div>
- <h2 id="nsh">
- Header file</h2>
- <div>
- <p>
- The InstallOptions header files provides macros and functions to easily create custom
- dialogs. You can include it on the top of your script as follows:
- <pre>
- !include InstallOptions.nsh
- </pre>
- </div>
- <h2 id="dialog">
- Creating dialogs</h2>
- <div>
- <h3 id="extract">
- Extracting the INI file</h3>
- <div>
- <p>
- First, you have to extract your InstallOptions INI files in the .onInit function
- (or un.onInit for the uninstaller) using the INSTALLOPTIONS_EXTRACT macro. The files
- will be extracted to a temporary folder (the NSIS plug-ins folder) that is automatically
- created.</p>
- <pre>
- Function .onInit
- !insertmacro INSTALLOPTIONS_EXTRACT "ioFile.ini"
- FunctionEnd
- </pre>
- <p>
- If the INI file is located in another directory, use INSTALLOPTIONS_EXTRACT_AS.
- The second parameter is the filename in the temporary folder, which is the filename
- that should be used as input for the other macros.</p>
- <pre>
- Function .onInit
- !insertmacro INSTALLOPTIONS_EXTRACT_AS "..\ioFile.ini" "ioFile.ini"
- FunctionEnd
- </pre>
- </div>
- <h3 id="display">
- Displaying the dialog</h3>
- <div>
- <p>
- You can call InstallOptions in a page function defined with the Page or UninstPage
- command. Check the NSIS documentation (Scripting Reference -> Pages) for information
- about the page system.</p>
- <pre>
- Page custom CustomPageFunction</pre>
- <p>
- To display the dialog, use the INSTALLOPTIONS_DISPLAY macro:<pre>
- Function CustomPageFunction ;Function name defined with Page command
- !insertmacro INSTALLOPTIONS_DISPLAY "ioFile.ini"
- FunctionEnd
- </pre>
- </div>
- </div>
- <h2 id="input">
- User input</h2>
- <div>
- <p>
- To get the input of the user, read the State value of a Field using the INSTALLOPTIONS_READ
- macro:</p>
- <pre>
- !insertmacro INSTALLOPTIONS_READ $VAR "ioFile.ini" "Field #" "Name"
- </pre>
- </div>
- <h2 id="writing">
- Writing to INI files</h2>
- <div>
- <p>
- The INSTALLOPTIONS_WRITE macro allows you to write values to the INI file to change
- texts or control settings at runtime:
- <pre>
- !insertmacro INSTALLOPTIONS_WRITE "ioFile.ini" "Field #" "Name" "Value"
- </pre>
- </div>
- <h2 id="escape">
- Escaped values</h2>
- <div>
- <p>
- Some InstallOptions values are escaped (in a similar manner to "C" strings)
- to allow characters to be used that are not normally valid in INI file values. The
- affected values are:</p>
- <ul>
- <li>The ValidateText field</li>
- <li>The Text value of Label fields</li>
- <li>The State value of Text fields that have the MULTILINE flag</li>
- </ul>
- <p>
- The escape character is the back-slash character ("\") and the available
- escape sequences are:</p>
- <table class="subtable">
- <tr>
- <td class="lefttable">
- "\\"</td>
- <td class="righttable">
- Back-slash</td>
- </tr>
- <tr>
- <td class="lefttable">
- "\r"</td>
- <td class="righttable">
- Carriage return (ASCII 13)</td>
- </tr>
- <tr>
- <td class="lefttable">
- "\n"</td>
- <td class="righttable">
- Line feed (ASCII 10)</td>
- </tr>
- <tr>
- <td class="lefttable">
- "\t"</td>
- <td class="righttable">
- Tab (ASCII 9)</td>
- </tr>
- </table>
- <p>
- The INSTALLOPTIONS_READ_CONVERT and INSTALLOPTIONS_WRITE_CONVERT macros automatically
- convert these characters in installer code. In uninstaller code, use INSTALLOPTIONS_READ_UNCONVERT
- and INSTALLOPTIONS_WRITE_UNCONVERT.</p>
- <p>
- To use these macros in your script, the conversion functions need to be included:</p>
- <pre>
- ;For INSTALLOPTIONS_READ_CONVERT
- !insertmacro INSTALLOPTIONS_FUNCTION_READ_CONVERT
- ;For INSTALLOPTIONS_WRITE_CONVERT
- !insertmacro INSTALLOPTIONS_FUNCTION_WRITE_CONVERT
- ;For INSTALLOPTIONS_READ_UNCONVERT
- !insertmacro INSTALLOPTIONS_UNFUNCTION_READ_CONVERT
- ;For INSTALLOPTIONS_WRITE_UNCONVERT
- !insertmacro INSTALLOPTIONS_UNFUNCTION_WRITE_CONVERT
- </pre>
- </div>
- <h2 id="validate">
- Input validation</h2>
- <div>
- <p>
- To validate the user input (for example, to check whether the user has filled in
- a textbox) use the leave function of the Page command and Abort when the validation
- has failed:</p>
- <pre>
- Function ValidateCustom
- !insertmacro INSTALLOPTIONS_READ $R0 "test.ini" "Field 1" "State"
- StrCmp $R0 "" 0 +3
- MessageBox MB_ICONEXCLAMATION|MB_OK "Please enter your name."
- Abort
- FunctionEnd
- </pre>
- </div>
- <h2 id="dialogreturn">
- Return value</h2>
- <div>
- After a dialog is created (using display or show), a return value is available:</p>
- <ul>
- <li>success - The user has pressed the Next button</li>
- <li>back - The user has pressed the Back button</li>
- <li>cancel - The user has pressed the Cancel button</li>
- <li>error - An error has occurred, the dialog cannot be displayed.</li>
- </ul>
- <p>
- You only have to check this value if you need something really special, such as
- doing something when the user pressed the Back button.</p>
- <p>
- If you need the return value, use the INSTALLOPTIONS_DISPLAY_RETURN or INSTALLOPTIONS_SHOW_RETURN
- macro. The return value will be added to the stack, so you can use the Pop command
- to get it.</p>
- </div>
- <h2 id="reserve">
- Reserve files</h2>
- <div>
- <p>
- When using solid compression, it's important that files which are being extracted
- in user interface functions are located before other files in the data block. Otherwise
- there may be a delay before a page can be displayed.</p>
- <p>
- To ensure that this is the case, add ReserveFile commands for InstallOptions and
- the INI files before all sections and functions:</p>
- <pre>
- ReserveFile "test.ini"
- ReserveFile /plugin InstallOptions.dll
- </pre>
- </div>
- <h2>
- Fonts and colors</h2>
- <div>
- <p>
- To customize fonts or colors on InstallOptions dialogs, the INSTALLOPTIONS_INITDIALOG
- and INSTALLOPTIONS_SHOW macro can be used.</p>
- <p>
- INSTALLOPTIONS_INITDIALOG creates the dialog in memory, but does not show it. After
- inserting this macro, you can set the fonts and colors, and then insert INSTALLOPTIONS_SHOW
- to show the dialog.</p>
- <p>
- The INSTALLOPTIONS_INITDIALOG macro also pushes the HWND of the custom dialog to
- the stack. Control HWND's are available for each control in the HWND entry of the
- corresponding field in the INI file.</p>
- <p>
- Example of using a custom font:</p>
- <pre>
- Var HWND
- Var DLGITEM
- Var FONT
- Function FunctionName ;FunctionName defined with Page command
- !insertmacro INSTALLOPTIONS_INITDIALOG "ioFile.ini"
- Pop $HWND ;HWND of dialog
-
- !insertmacro INSTALLOPTIONS_READ $DLGITEM "ioFile.ini" "Field 1" "HWND"
-
- ;$DLGITEM contains the HWND of the first field
- CreateFont $FONT "Tahoma" 10 700
- SendMessage $DLGITEM ${WM_SETFONT} $FONT 0
-
- !insertmacro INSTALLOPTIONS_SHOW
- FunctionEnd
- </pre>
- </div>
- <h2 id="credits">
- Credits</h2>
- <div>
- <p>
- Original version by Michael Bishop<br />
- DLL version by Nullsoft, Inc.<br />
- DLL version 2 by Amir Szekely, ORTIM, Joost Verburg<br />
- New documentation by Joost Verburg</p>
- </div>
- <h2 id="license">
- License</h2>
- <div>
- <pre>
- Original version Copyright © 2001 Michael Bishop
- DLL version 1 Copyright © 2001-2002 Nullsoft, Inc., ORTIM
- DLL version 2 Copyright © 2003-2021 Amir Szekely, Joost Verburg, Dave Laundon
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute
- it freely, subject to the following restrictions:
- 1. The origin of this software must not be misrepresented;
- you must not claim that you wrote the original software.
- If you use this software in a product, an acknowledgment in the
- product documentation would be appreciated but is not required.
- 2. Altered versions must be plainly marked as such,
- and must not be misrepresented as being the original software.
- 3. This notice may not be removed or altered from any distribution.
- </pre>
- </div>
- </div> </td> </tr> </table>
- </body>
- </html>
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