learning the unix operating system fifth edition pdf download
Programming the Be Operating System-Chapter 9: Messages and Threads
Ngày tải lên :
17/10/2013, 19:15
... with system messages—messages generated
and dispatched by the system. The Message Protocols appendix of the Be Book
defines all the system messages. In short, system messages fall into the following
categories:
Application ... posted message becomes the next in the queue, the looper invokes
DispatchMessage() to pass the message to the target handler. The effect is for
the posted message to reach the target handler’s ... sev-
eral examples of the creating of messages and the dispatching of these messages
both by the object that created them and by other objects.
Figure 9-1. The inheritance hierarchy for the Application...
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Programming the Be Operating System-Chapter 10: Files
Ngày tải lên :
20/10/2013, 10:15
... For the Save file panel, the display of the panel comes when the user
chooses the Save As item from the File menu. In response to the message issued
by 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 Open
file 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 this
can be changed (either in the BFilePanel...
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Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt
Ngày tải lên :
26/01/2014, 07:20
... during the execution of a program. An
object can be added or deleted from the heap without regard for its
placement 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—it
is 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...
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Tài liệu Programming the Be Operating System-Chapter 2: BeIDE Projects docx
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26/01/2014, 07:20
... file with the same name as the project (and
thus the same name as the application that will be built from the project). The
header file holds the definition of the class derived from the BApplication ... any
resizing of the window. The final BView constructor parameter determines the
types of notifications the view is to receive from the system. The Be constant
B_WILL_DRAW means that the view should ... 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...
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Tài liệu Programming the Be Operating System-Chapter 3: BeOS API Overview doc
Ngày tải lên :
26/01/2014, 07:20
... to
another window.
Class Descriptions and the Be Book
The definitive source of information for the many classes that make up the BeOS
software kits is the Be class reference by the programmers of the ... to them, some of
their classes appear throughout the book. See the description of the Support Kit
below 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...
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Tài liệu Programming the Be Operating System-Chapter 4: Windows, Views, and Messages doc
Ngày tải lên :
26/01/2014, 07:20
... was clicked. The values of the point are in the view’s coor-
dinate system. For example, if the cursor was over the very top left corner of the
view at the time of the mouse click, the point’s ... 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 ... the window (to the top view), rather than
to another view, so both views are on the same level in the window’s view hierar-
chy. The Draw() function of each view type includes code to frame the...
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Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt
Ngày tải lên :
26/01/2014, 07:20
... done in the Draw() function, where
a call to MovePenTo() ensures that the drawing will start in the top left corner of
the view (and, because the view is the same size as the window, the top ... FillRegion(fThreeRectRegion);
}
Implementing the MouseDown() routine for the MyDrawView class is as easy as
comparing the cursor location (supplied by the system when it automatically
invokes MouseDown()) to the area of the region. The ... defines one of the four
edges of a rectangle. The values of the left and right members are relative to
the left edge of the view that is to hold the rectangle, while the values of the top
and bottom...
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Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt
Ngày tải lên :
26/01/2014, 07:20
... the BWindow hook function Zoom() to shrink or
enlarge the window. To allocate the handling of a message to one of its views, the
window passes the message to the affected view, and the view then ... on it, as for a button), the system passes the applica-
tion-defined message to the window. How the window handles the message is
determined by the code you include in the BWindow member function
MessageReceived().
Control ... values to the variables to be used in the control’s con-
structor
• Create the control using new and the control’s constructor
• Attach the control to the window by adding it to one of the window’s...
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Tài liệu Programming the Be Operating System-Chapter 7: Menus docx
Ngày tải lên :
26/01/2014, 07:20
... as the item’s label when the user pulls down the menu in which the item
appears.
The message parameter assigns a message of a particular type to the menu item.
When the user chooses the item, the ... given the variable used to represent the sub-
menu the name subMenu, it really is nothing more than a BMenu object. The items
in the Dogs submenu were added the same way as the items in the Animal
menu—by ... all of
these items need to be shifted within the window, it would make sense to have
all of the items attached to a view within the window rather than to the win-
dow itself. Then a call to the...
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Tài liệu Programming the Be Operating System-Chapter 8: Text ppt
Ngày tải lên :
26/01/2014, 07:20
... When the contents of the view a scrollbar is
attached to exceed the size of the view, the scrollbar’s knob appears and the
scrollbar becomes enabled. As the content of the view increases, the ... the window, so the default state for the
BStringView text has the text starting 10 pixels from the left edge of the win-
dow. Figure 8-6 makes it clear that this isn’t the starting point of the ... snippet produces the text shown in the window in Figure 8-4:
BFont theFont(be_plain_font);
theFont.SetSize(24.0);
theFont.SetRotation(45.0);
theView->SetFont(&theFont);
theView->MovePenTo(70.0,...
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Tài liệu The Psychology of Emotion Fifth edition pptx
Ngày tải lên :
15/02/2014, 15:20
... of
these will be dealt with and the main theories within each will be summarized and a
concluding evaluation made.
There are also the theories from which, in one sense, all the others derive – the
historically ... obvious by now, the aim of this book is to give an overview of theories of
emotion and to consider their worth. The structure of the book is simple. The many
theories of emotion, and there are at ... judge the worth of a theory.
What a theory of emotion should do
With these more general concerns as a background, the foreground is taken up with
emotion theories themselves. What should they...
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Tài liệu The C++ Standard Library Second Edition pdf
Ngày tải lên :
17/02/2014, 22:20
... the general concepts and the utilities that the
library uses. Then, I describe all the components, each in one or more chapters. The first compo-
nent is the standard template library (STL). There ... For
example, if the runtime grows linearly with the number of elements — doubling the input doubles
the runtime — the complexity is O(n). If the runtime is independent of the input, the complexity ... separating the wheat
from the chaff so that you get the most out of it. May the exercise succeed.
www.it-ebooks.info
ptg7913098
Contents
Preface to the Second Edition xxiii
Acknowledgments for the Second...
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The Philosophy of Humanism (8th edition) pdf
Ngày tải lên :
06/03/2014, 11:20
... to the Eighth Edition vii
Foreword to the Eighth Edition xi
Preface to the Seventh Edition xii
Introduction to the Sixth Edition xiii
Foreword to the Fifth Edition xxx
Preface to the Fifth Edition ... ever could. On
the other hand, the new synthesis accepts the ethical ideal of
concern for
all
humans
; it embraces the democratic faith in
the worth of the individual and seeks the welfare of ... great appeal in their day. We can
see now that some of these systems were primarily artistic
creations on the part of thinkers who let themselves be car-
INTRODUCTION TO THE SIXTH EDITION
xxvii
Yale’s...
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CLINICAL OCULAR PHARMACOLOGY, FIFTH EDITION pdf
Ngày tải lên :
06/03/2014, 14:20
... circles in the
anterior chamber, circulated by the thermal differential
between the cornea and the deeper ocular tissues. The
aqueous exits at the angle between the cornea and iris
through the sieve-like ... colla-
gen .The collagen fibrils are anchored directly to the basal
lamina,which forms the boundaries of the lens ,the ciliary
body epithelium, and the neuroglial cells of the retina.
Although the anterior ... iden-
tify their medications and the dosing schedules for each
Figure 1-4
The patient grasps the center of the lower lid
using the index finger of the nondominant hand and pulls the
lid down .The index...
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The Finite Element Method Fifth edition Volume 1: The Basis Professor O.C. Zienkiewicz, CBE, FRS ppt
Ngày tải lên :
14/03/2014, 15:20
... increase further the overall size of the book and we therefore have eliminated
some redundant material.
Further, the reader will notice the present subdivision into three volumes, in which the
®rst ... transformation
matrix T as
a Tb 1:30
In the linear case the system equations are of the form
Ka r ÿf 1:31
and on the substitution we have
KTb r ÿf 1:32
The new system can be premultiplied simply ... occurred. The expanding research and ®eld of application of ®nite elements led
to the second edition in 1971, the third in 1977 and the fourth in 1989 and 1991. The
size of each of these volumes...
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