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CHAPTER 2 NAVIGATING THE REALBASIC INTEGRATED DEVELOPMENT ENVIRONMENT The sheer number of available REALbasic menu commands makes it impossible to fully explore and review them all in this chapter. You learn more about many of these commands as you work your way through the rest of this book. REALbasic s Main Toolbar REALbasic s Main toolbar, shown in Figure 2-3, holds a collection of icons and edit fields that enable you to navigate between REALbasic screens, to test and build REALbasic applications, and to locate and search your program code. Figure 2-3. The default view of the REALbasic Main toolbar (Windows version) Default Main Toolbar Resources Like many REALbasic toolbars and IDE features, the REALbasic Main toolbar is configurable. In its default configuration, this toolbar provides a number of key features. The major features found on the default REALbasic Main toolbar are outlined in the following list. Forward. Provides the capability to move forward to previously viewed screens. Backward. Provides the capability to move backward to previously viewed screens. Run. Provides the capability to compile and run a test version of your application from within the IDE. If an error is detected during compilation, REALbasic stops the build process and displays an error message. Build. Provides the capability to create a stand-alone version of your application based on the currently defined build settings that will run natively on target operating systems (OSs). Add Bookmark. Creates either a local or a global bookmark for the currently selected item or screen. Location. Provides the capability to locate project items by specifying an item name and pressing Enter. Search. Provides the capability to search for items within your program code. Configuring REALbasic s Main Toolbar The REALbasic Main toolbar is highly configurable. You can add and remove icons to control key functionality. You can change the order in which these icons are displayed. You can also define the size and appearance of the toolbar s icons. To configure the Main toolbar, click View . Main Toolbar . Customize. This opens the Customize Main Toolbar dialog, as Figure 2-4 shows.
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CHAPTER 2 NAVIGATING THE REALBASIC INTEGRATED DEVELOPMENT ENVIRONMENT The REALbasic Menu REALbasic s menu is loaded with essential commands that provide convenient access to key REALbasic functionality. REALbasic s menu is organized into the following menus. File. Provides access to commands for opening, creating, and saving REALbasic projects. Edit. Provides access to commands for performing standard editing functions (copy, paste, and so forth), as well as to REALbasic specific commands that interact with the Window Editor and the Code Editor. Project. Provides access to commands for adding items to REALbasic projects, as well as for testing, debugging, and creating REALbasic applications. View. Provides access to commands that control the look and functionality of the REALbasic IDE. History. Provides access to commands that enable you to revisit REALbasic screens that you have already worked with when developing a project. Bookmarks. Provides access to commands for bookmarking REALbasic items and screens, as well as for accessing bookmarked items and screens. Window. Provides access to commands for minimizing and maximizing the REALbasic IDE, and for moving forward and backward between REALbasic screens. Help. Provides access to commands that access REALbasic documentation and online content. Note On the Macintosh, REALbasic also provides an Apple menu and a REALbasic menu, as Figure 2-2 shows. Figure 2-2. On Macintosh, REALbasic also includes an Apple and a REALbasic menu. The Apple menu is a standard menu item for Macintosh applications. However, it does not contain any REAL- basic specific commands. The REALbasic menu contains menu commands found on other menus in Windows and Linux, as Figure 2-2 shows.
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CHAPTER 2 NAVIGATING THE REALBASIC INTEGRATED DEVELOPMENT ENVIRONMENT Like most modern programming language s development environments, REALbasic s IDE is involved, consisting of an assortment of menus, toolbars, and screens. In short, this IDE is packed with features and functionality. As a result, when you first begin working with REALbasic s IDE, you can easily get lost or overwhelmed. To help alleviate stress and to get you up and running as quickly as possible, a solid familiarity with the IDE is essential for any REALbasic programmer. The primary focus of this chapter is to help provide you with a thorough overview of the REALbasic IDE and to give you all the information you need. Each time you start REALbasic, its main IDE appears, as Figure 2-1 shows. As you learned in Chapter 1, REALbasic s IDE looks and operates almost exactly the same, regardless of whether you are running it on Macintosh, Windows, or Linux. The IDE also looks and works almost exactly the same way for both the Standard and Professional editions of REALbasic. Figure 2-1. REALbasic s IDE running on Linux Note One difference between the REALbasic IDE on Macintosh, and the REALbasic IDE on Windows and Linux is the location of the main menu. As is the case for most Macintosh OS X applications, REALbasic s main application menu is not displayed on the application but is, instead, displayed at the top of the Mac OS X desktop.
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CHAPTER 2 Navigating the REALbasic Integrated Development Environment In Chapter 1, you were introduced to REALbasic and many of its capabilities. In this chapter, you build upon this knowledge by learning the ins and outs of working with the REALbasic IDE. This includes learning how to create and manage REALbasic projects, learning how to work with REAL- basic Windows and Code Editors, and learning how to take advantage of REALbasic s integrated Help resources. In addition, you learn how to work with a number of other integrated development environment (IDE) features, including the REALbasic menus, the Bookmarks bar, the Tabs bar, the Editor toolbar, the Project Editor, the Controls and Properties Panes, and the Tips bar. You also learn how to create a custom web browser application. By the time you complete this chapter, you will learn how to Work with REALbasic editors, menus, and toolbars Customize REALbasic toolbars Organize and manage REALbasic projects Take advantage of REALbasic s integrated Help resources Starting REALbasic As you learned in Chapter 1, you interact with REALbasic by way of its IDE. This includes application development, testing, and compilation. REALbasic s IDE provides you with all the tools you need to create new applications. These software tools include Windows Editor Code Editor Menu Editor Compiler Debugger
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CHAPTER 1 AN INTRODUCTION TO REALBASIC enter a name for the application in WindowsAppName, MacAppName, MacOSXAppName, MacClassicAppName, and LinuxAppName properties, as appropriate. Now, when you click the Build icon located in main toolbar, REALbasic compiles separate copies of your application, using the names you supplied for each execution platform you selected. Each of these stand-alone copies of your application will run and look exactly as you saw in Figures 1-18 through 1-20. Summary REALbasic is a cross-platform software development tool that provides programmers with a rich and powerful set of features, which stack up against any programming language currently available on Macintosh, Windows, or Linux. With REALbasic, the name of the game is cross- platform portability. REALbasic provides you with all the tools you need to develop powerful applications that can be ported to all three of the major desktop OSs. REALbasic does this without reliance on frameworks or virtual machines, using a programming language that is both easy to learn and master.
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CHAPTER 1 AN INTRODUCTION TO REALBASIC Compiling Your Application for Macintosh, Windows, and Linux Execution If you see an error message when you attempt to test your application, the odds are you mistyped the code statement associated with the PushButton s Action event. Go back and double-check your typing. Once everything is working correctly, you are ready to create a stand-alone version one that can execute outside of REALbasic IDE natively on the OS for which it was created of your application. By default, REALbasic compiles your application to run only for the OS you used to run the REALbasic IDE. For example, if you are using a Windows computer, then REALbasic, by default, compiles a stand-alone Windows application. To create a stand-alone application for your particular OS, click the Build icon, located just to the right of the Run icon on REALbasic s main toolbar. In response, REALbasic generates an executable version of your application stored in the same location where you installed REALbasic. You can run this application by double-clicking it. You can also make as many copies of the application as you want to give away or sell. If you are using one of the Standard Editions of REALbasic, you may also generate a demo version of your application that will run for five minutes before halting its execution on other REALbasic-supported execution platforms. If you are using REALbasic Professional, then you can compile your application to run on Macintosh, Windows, and Linux. Before you can use REALbasic to compile your application to run on other execution plat forms, you must first tell it which execution platforms you want your application to run on. To do this, you specify which execution platforms you want to compile builds for. You do this by clicking the Project menu and selecting the Build Settings option. Figure 1-21 shows the Build Settings window. Figure 1-21. Specifying which execution platforms you want to create compiled copies of your application to run on By default, only the OS you are currently working with is selected. Select the desired target execution platforms, and then click OK. If you click the Build icon in REALbasic s main toolbar, REALbasic compiles your application for each specified target execution platform, giving each instance of your application the default name of My Application. This probably is not what you want, though. Instead, click the Project tab in the REALbasic IDE, and then click the App item. You can see the properties associated with the APP item are now displayed in the Properties pane. To provide REALbasic with a name for your application on each target execution platform,
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CHAPTER 1 AN INTRODUCTION TO REALBASIC Figure 1-18. The Hello World! application running on Windows Figure 1-19. The Hello World! application running on Macintosh Figure 1-20. The Hello World! application running on Linux
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CHAPTER 1 AN INTRODUCTION TO REALBASIC Figure 1-17. The Code Editor color codes your code statements to make them easier to read. This code statement tells REALbasic to set or display the text string Hello World! as the EditField s Text property. Testing Your Application If you have not done so yet, now would be a good time to save your application. To do so, click the File menu and select Save. The Save As dialog appears. Type in the name for your application and specify the location where you want to save it, and then click OK. For this application, enter Hello World. In response, REALbasic creates a file named Hello World.rbp. At this point, the Hello World! application is complete and should be ready to run. To test the application, click the green Run icon located in REALbasic s main toolbar. REALbasic will respond by compiling a development version of your application. Once the compilation is complete, REALbasic will run your application. Figure 1-18, Figure 1-19, and Figure 1-20 show how your application should look after you start it and click the PushButton labeled Push me, depending on your OS.
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CHAPTER 1 AN INTRODUCTION TO REALBASIC 29 Adding a Little REALbasic Code Now that your application has the proper look, its time to make it do something. You accomplish this by adding program code. In the case of the Hello World! application, all you need to do is add one line of code to the PushButton control to finish. To associate programming code with a given control, locate the control in the Windows Editor and double-click it. This opens the Code Editor and provides you with a place to enter the code. Note, just to the left of the code editor you see a browser control that lists all the controls you added to your application. By default, the PushButton1 control s entry has been expanded and its Action event entry selected. In REALbasic, actions such as the clicking or movement of the mouse cause events to trigger. You can set up your applications to respond to these events by supplying code statements you want to execute when a specific event is triggered (for example, when the user clicks the PushButton control). The PushButton control s Action event executes whenever the user clicks it. Therefore, this makes the Action event the right event for controlling the display of text within the Hello World! application. Tip Visual Basic programmers should recognize the Action event as being equivalent to Visual Basic s Click event. Enter the following text into the Code Editor, exactly as shown. EditField1.Text = ” Hello World! ” Once entered, the Code Editor should look exactly as Figure 1-17 shows. This code is formatted using a specific syntax required by REALbasic. If you do not follow REALbasic s syntax exactly, an error will result and your application won t run.
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CHAPTER 1 AN INTRODUCTION TO REALBASIC Figure 1-15. Adding a little descriptive text to your REALbasic application Next, scroll down and locate the TextAlign property. Click the drop-down list indicator to display the list of available options and select Center. The last property you need to set is for the PushButton control. Select the control, and then locate its Caption property. Enter a value of Push me. At this point, your application should look like the example you see in Figure 1-16. Figure 1-16. By changing window and control properties, you can customize the appearance of your application s GUI.
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