Learning the Unix Operating System pptx

... documentation on UNIX : 7.1. Standard UNIX Documentation DOS, accessing with UNIX : 4.4.6. Files on Other Operating Systems MTOOLS utilities for : 4.4.6. Files on Other Operating Systems dot ... 2.5.4. The Window Menu single-user operating systems : The UNIX Operating System Size menu item (mwm) : 2.5.4. The Window Menu file:///C|/Documents%20and%20Settings/nmyers/Desktop/learn _unix/ index/idx_s.htm ... Syntax of UNIX Command Lines 3.1.8.1. ls file:///C|/Documents%20and%20Settings/nmyers/Desktop/learn _unix/ index/idx_l.htm (1 of 2) [6/30/2002 3:41:01 PM] Learning the Unix Operating System By...

o'reilly learning the UNIX operating system

... documentation on UNIX : 7.1. Standard UNIX Documentation DOS, accessing with UNIX : 4.4.6. Files on Other Operating Systems MTOOLS utilities for : 4.4.6. Files on Other Operating Systems dot ... stopped job into the foreground, then quit the program normally. (See Chapter 6, Multitasking .)Previous: Acknowledgments Learning the Unix Operating System Next: 1.2 Syntax of UNIX Command ... programming.Previous: 7.1 Standard UNIX Documentation Learning the Unix Operating System Next: 7.3 Programming7.1 Standard UNIX DocumentationBook Index7.3 Programming The UNIX CD Bookshelf Navigationfile:///C|/Documents%20and%20Settings/nmyers/Desktop/learn _unix/ ch07_02.htm...

Programming the Be Operating System-Chapter 9: Messages and Threads

... Be, Inc. set out to develop a new operating system one theyeventually dubbed the Media OS. The goal was to create an operating system thatcould keep up with the computationally intensive demands ... sev-eral examples of the creating of messages and the dispatching of these messagesboth by the object that created them and by other objects.Figure 9-1. The inheritance hierarchy for the Application ... handle one particular type of system message.A system message is the result of an action external to the application. The mes-sage is generated by the operating system, and is delivered to an...

Programming the Be Operating System-Chapter 10: Files

... For the Save file panel, the display of the panel comes when the userchooses the Save As item from the File menu. In response to the message issuedby the system to the appropriate MessageReceived() ... control is in the hands of the user. Once the user confirms a choice (whether it’s a file selection in the Openfile panel, a click on the Save button in the Save file panel, or a click on the Can-cel ... in either type of panel), a message is automatically sent by the system to the panel’s target. By default the panel’s target is the application object, but thiscan be changed (either in the BFilePanel...

Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt

... during the execution of a program. Anobject can be added or deleted from the heap without regard for itsplacement in the heap, or for the other contents of the heap. The stack, on the other hand, ... such tasks. The zoom-ing and moving of windows is handled by the system, not by the SimpleApp code.This simple demonstration emphasizes the power of the BeOS system software—itis the system software ... window’s tab)• The type of the window (the look and feel of the window)• The behavior of the window (whether it has a resize knob, and so forth)Recall from your C++ background that when the definition...

Tài liệu Programming the Be Operating System-Chapter 2: BeIDE Projects docx

... stated that the header file that bears the name of the project should hold the declaration of the project’s application class the class derived from the BApplication class. Here you see that the HelloWorld.h ... HelloApplication();}; The source code file with the name of the project should hold the code for the implementation of the member functions of the application class as well as the main() function. ... the status of the Argv Only checkbox. Whilethese two items appear grouped together in the Application Flags area, they aren’trelated. Neither, either, or both can be checked at the same time.Figure...

Tài liệu Programming the Be Operating System-Chapter 3: BeOS API Overview doc

... to them, some oftheir classes appear throughout the book. See the description of the Support Kitbelow for a specific example concerning the BLocker class.Application Kit The classes of the ... created in the application constructor, the MyHelloWindow constructor is responsible for creating a new view, adding the view to the new window, and then displaying the new window. The new MyHelloWorld ... HelloWorld The Interface Kit defines classes for the common interface elements. There’s the BWindow class for a window, the BMenuBar class for a menubar, the BMenu classfor a menu, the BMenuItem...

Tài liệu Programming the Be Operating System-Chapter 4: Windows, Views, and Messages doc

... If the point (100.1, 49.9) is used instead, the result is the same the win-dow’s corner ends up 100 pixels from the left and 50 pixels from the top of the screen. The above scenario begs the ... altered—as they arehere with the writing of the string “Quitting ” the view needs to be updatedbefore the changes become visible onscreen. If the changes are made while the view’s window is hidden, then ... documented in the thread-related chapter of the Be Book, the Kernel Kit chapter. The beep() global function plays the system beep. Sound (and thus the beep() function) is a topic covered in the Media...

Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt

... 10.0); The call to MovePenTo() moves the pen to the location 30 pixels from the left of the view and 40 pixels from the top of the view. That places the pen at the point(30.0, 40.0). The call ... MouseDown() makes the system aware of the fact that the viewneeds updating, and the system invokes Draw():void MyDrawView::MouseDown(BPoint point){ Invalidate();}One further improvement to the ColorControl ... marks each of its 64 bits as either a 1 to display the high color or a 0 to display the low color. The colors themselves come from the high and low colors at the time the pattern is used in drawing.A...

Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt

... results in the playing of the system sound a singletime, while a click on the other button produces the beep twice.Preparing the window class for the buttonsA few additions to the code in the MyHelloWindow.h ... to a window, the height of the button may automati-cally be adjusted to accommodate the height of the text of the button’s label and the border of the button. If the values of the frame rectangle ... One of the pictures acts as the button when the button is in its normal state (that is, when the user isn’t clickingon it). The other picture acts as the button when the user clicks on the button.You’ll...

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