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Archived:Adding menu items dynamically using Symbian C++

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[[Category:Technical Solution]][[Category:Symbian C++]][[Category:UI]][[Category:S60 1st Edition]][[Category:S60 2nd Edition]][[Category:S60 3rd Edition]][[Category:Series 80 2nd Edition]]
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== Overview ==
 
== Overview ==
 
Adding menu items dynamically
 
Adding menu items dynamically
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== Solution ==
 
== Solution ==
−
First, use an <nowiki>’</nowiki>empty<nowiki>’</nowiki> menu definition in the application resource file:<br>&nbsp;&nbsp;&nbsp;&nbsp;#include <nowiki><</nowiki>eikon.rh<nowiki>></nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;#include <nowiki><</nowiki>avkon.rh<nowiki>></nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;#include <nowiki><</nowiki>avkon.rsg<nowiki>></nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;#include "MyApp.hrh"<br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE RSS_SIGNATURE<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE TBUF r_default_document_name<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;buf="";<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE EIK_APP_INFO<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;menubar = r_myapp_menubar;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cba = R_AVKON_SOFTKEYS_OPTIONS_EXIT;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE MENU_BAR r_myapp_menubar<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;titles =<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MENU_TITLE<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;menu_pane = r_myapp_menu;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki>;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE MENU_PANE r_myapp_menu<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;items =<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// Empty implementation of menu<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki>;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>Then, override MEikMenuObserver::DynInitMenuPaneL() in the application UI class:<br>&nbsp;&nbsp;&nbsp;&nbsp;void CMyAppUi::DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane )<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if( aResourceId == R_MYAPP_MENU )<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CEikMenuPaneItem::SData itemData;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iText = _L("New menu item"); &nbsp;// Label text for the menu item<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iCommandId = ECmdYourMenu; &nbsp;&nbsp;&nbsp;// Command ID for the menu item<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iFlags = 0;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iCascadeId = 0;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aMenuPane-<nowiki>></nowiki>AddMenuItemL( itemData );<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>Note that there is no need to call DynInitMenuPaneL() directly as it will be called by the framework once the menu softkey is pressed.
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First, use an 'empty' menu definition in the application resource file:<br>&nbsp;&nbsp;&nbsp;&nbsp;#include <nowiki><</nowiki>eikon.rh<nowiki>></nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;#include <nowiki><</nowiki>avkon.rh<nowiki>></nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;#include <nowiki><</nowiki>avkon.rsg<nowiki>></nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;#include "MyApp.hrh"<br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE RSS_SIGNATURE<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE TBUF r_default_document_name<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;buf="";<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE EIK_APP_INFO<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;menubar = r_myapp_menubar;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cba = R_AVKON_SOFTKEYS_OPTIONS_EXIT;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE MENU_BAR r_myapp_menubar<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;titles =<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MENU_TITLE<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;menu_pane = r_myapp_menu;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki>;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;RESOURCE MENU_PANE r_myapp_menu<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;items =<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;// Empty implementation of menu<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki>;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>Then, override MEikMenuObserver::DynInitMenuPaneL() in the application UI class:<br>&nbsp;&nbsp;&nbsp;&nbsp;void CMyAppUi::DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane )<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if( aResourceId == R_MYAPP_MENU )<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>{</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CEikMenuPaneItem::SData itemData;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iText = _L("New menu item"); &nbsp;// Label text for the menu item<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iCommandId = ECmdYourMenu; &nbsp;&nbsp;&nbsp;// Command ID for the menu item<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iFlags = 0;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;itemData.iCascadeId = 0;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;aMenuPane-<nowiki>></nowiki>AddMenuItemL( itemData );<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<nowiki>}</nowiki><br>Note that there is no need to call DynInitMenuPaneL() directly as it will be called by the framework once the menu softkey is pressed.

Latest revision as of 10:48, 14 June 2012

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Article Metadata
Compatibility
Platform(s): S60 1st Edition
S60 2nd Edition
S60 3rd Edition
Series 80 2nd Edition
Article
Created: User:Technical writer 2 (04 Jul 2007)
Last edited: hamishwillee (14 Jun 2012)

Overview

Adding menu items dynamically

Description

Items can be added to the menu dynamically, without making any changes to the resource file.

Solution

First, use an 'empty' menu definition in the application resource file:
    #include <eikon.rh>
    #include <avkon.rh>
    #include <avkon.rsg>
    #include "MyApp.hrh"
    RESOURCE RSS_SIGNATURE
        {
        }
    RESOURCE TBUF r_default_document_name
        {
        buf="";
        }
    RESOURCE EIK_APP_INFO
        {
        menubar = r_myapp_menubar;
        cba = R_AVKON_SOFTKEYS_OPTIONS_EXIT;
        }
    RESOURCE MENU_BAR r_myapp_menubar
        {
        titles =
            {
            MENU_TITLE
                {
                menu_pane = r_myapp_menu;
                }
            };
        }
    RESOURCE MENU_PANE r_myapp_menu
        {
        items =
            {
            // Empty implementation of menu
            };
        }
Then, override MEikMenuObserver::DynInitMenuPaneL() in the application UI class:
    void CMyAppUi::DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane )
        {
        if( aResourceId == R_MYAPP_MENU )
            {
            CEikMenuPaneItem::SData itemData;
            itemData.iText = _L("New menu item");  // Label text for the menu item
            itemData.iCommandId = ECmdYourMenu;    // Command ID for the menu item
            itemData.iFlags = 0;
            itemData.iCascadeId = 0;
            aMenuPane->AddMenuItemL( itemData );
            }
        }
Note that there is no need to call DynInitMenuPaneL() directly as it will be called by the framework once the menu softkey is pressed.

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