Rapid GUI Development with QtRuby phần 3 pps

... w3 = Qt::Widget.new(w,"Widget3") irb(main):007:0> w4 = Qt::Widget.new(w,"Foo") irb(main):012:0> w.queryList("Qt::Widget") => [ w2, w3, w4 ] irb(main):0 13: 0> w.queryList("Qt::Widget","Widget") => ... Qt::Application. This convention holds true for all QtRuby classes. From this point on, we will try to stick with the Qt::Cla...

Ngày tải lên: 24/07/2014, 02:20

... of windows. 7.2 QtRuby tools QtRuby comes with a number of additional tools which can help you c rea te custom GUI applications. QtRuby UIC One facet of Qt is Qt Designer, a GUI application that ... Stretch 7.1 Qt Modules Qt comes with a set of extra modules also available through QtRuby. Some of these modules are not directly GUI related, but useful func- tions for many GU...

Ngày tải lên: 24/07/2014, 02:20

... Slot Connection with Arguments Note that in the above example, the SIGNAL and SLOT arguments are listed using the Qt style syntax like textChanged(const QString &) and not the QtRuby style syntax ... While QtRuby handles the conversion of Qt’s QString to Ruby’s String automatically, the definition of signals, slots, a nd the connection of the two must utilize the Qt style syntax. Thi...

Ngày tải lên: 24/07/2014, 02:20

... . . . . . . 11 3 About QtRuby 13 3.1 Language Bindings . . . . . . . . . . . . . . . . . . . . 13 3.2 I smell SMOKE . . . . . . . . . . . . . . . . . . . . . . 14 3. 3 Installing QtRuby . . . . ... to my wife, Anna, who put up with many evenings of her husband paying more attention to this book than t o her. Report erratum BOOKLEET © Rapid GUI Development with QtRuby Cale...

Ngày tải lên: 24/07/2014, 02:20

... t he configuration options described in Section 3. 3, Installing QtRuby , on page 14 was with- smoke="qt". This needs to be changed to with- smoke="qt kde". Alternatively, the ... Homepage Brief introduction to QtRuby and Korundum Qt Documentation Online documentation for Qt and utilities QtRuby Online Tutorial Learn Qt and QtRuby online with this 14 step tuto...

Ngày tải lên: 24/07/2014, 02:20

... base class method with your own. If your goal is no t to replace th e base class functionality, but to extend it, then you must be sure to call the base c l ass ev e nt method from within your e ... 54 @button clicked() setText(const QString &) Label Text @label Figure 5.14: Slot Connection with mis-matched arguments ment is discarded. Howe ver, the opposite is not true: @button = Qt:...

Ngày tải lên: 24/07/2014, 02:20

... dealing with the w i d g et geometry. The methods width( ) and height( ) return the width Report erratum BOOKLEET © F ridays CHAPTER 4. GET YOUR FEET WET THE QT::APPLICATION CLASS 31 child _3 = Qt::Label.new(child_1) ... settings, and interna- tionalization of user visible text. It also talks with the window system With a few exceptions, every QtRuby program must have one instance...

Ngày tải lên: 24/07/2014, 02:20

... /smoke ~ /qtruby/ qtruby/rubylib /qtruby& gt; make ~ /qtruby/ qtruby/rubylib /qtruby& gt; sudo make install ~ /qtruby/ qtruby/rubylib /qtruby& gt; cd / / ~ /qtruby& gt; cd qtruby/ rubylib/designer/rbuic ~ /qtruby/ qtruby/rubylib/designer/rbuic> ... INSTALL file. ~ /qtruby/ smoke/qt> cd / ~ /qtruby& gt; cd qtruby/ rubylib /qtruby ~ /qtruby/ qtruby/rubylib /qtruby& gt; ruby extco...

Ngày tải lên: 24/07/2014, 02:20

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Ngày tải lên: 24/07/2014, 05:20

... catch (Exception $e) { 31 $messages[] = 'Could not insert the platform.'; 32 } 33 34 } 35 36 // Report results to user 37 if (count($messages) == 0) { 38 39 echo "<p>The ... script 30 $this->view->env = $this->getInvokeArg('env'); 31 32 // Pass the exception object to the view 33 $this->view->exception = $errors->exception; 34 35...

Ngày tải lên: 05/07/2014, 17:20