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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/code/doc_src_q3ptrdict.qdoc
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Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/code/doc_src_q3ptrdict.qdoc')
-rw-r--r--doc/src/snippets/code/doc_src_q3ptrdict.qdoc66
1 files changed, 66 insertions, 0 deletions
diff --git a/doc/src/snippets/code/doc_src_q3ptrdict.qdoc b/doc/src/snippets/code/doc_src_q3ptrdict.qdoc
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+++ b/doc/src/snippets/code/doc_src_q3ptrdict.qdoc
@@ -0,0 +1,66 @@
+//! [0]
+Q3PtrDict<char> fields; // void* keys, char* values
+
+QLineEdit *le1 = new QLineEdit( this );
+le1->setText( "Simpson" );
+QLineEdit *le2 = new QLineEdit( this );
+le2->setText( "Homer" );
+QLineEdit *le3 = new QLineEdit( this );
+le3->setText( "45" );
+
+fields.insert( le1, "Surname" );
+fields.insert( le2, "Forename" );
+fields.insert( le3, "Age" );
+
+Q3PtrDictIterator<char> it( fields );
+for( ; it.current(); ++it )
+ cout << it.current() << endl;
+cout << endl;
+
+if ( fields[le1] ) // Prints "Surname: Simpson"
+ cout << fields[le1] << ": " << le1->text() << endl;
+if ( fields[le2] ) // Prints "Forename: Homer"
+ cout << fields[le2] << ": " << le2->text() << endl;
+
+fields.remove( le1 ); // Removes le1 from the dictionary
+cout << le1->text() << endl; // Prints "Simpson"
+//! [0]
+
+
+//! [1]
+Q3PtrDict<ItemType> dict;
+ ...
+if ( dict.find( key ) )
+ dict.remove( key );
+dict.insert( key, item );
+//! [1]
+
+
+//! [2]
+Q3PtrDict<char> fields;
+
+QLineEdit *le1 = new QLineEdit( this );
+le1->setText( "Simpson" );
+QLineEdit *le2 = new QLineEdit( this );
+le2->setText( "Homer" );
+QLineEdit *le3 = new QLineEdit( this );
+le3->setText( "45" );
+
+fields.insert( le1, "Surname" );
+fields.insert( le2, "Forename" );
+fields.insert( le3, "Age" );
+
+Q3PtrDictIterator<char> it( fields );
+for( ; it.current(); ++it ) {
+ QLineEdit *le = (QLineEdit)it.currentKey();
+ cout << it.current() << ": " << le->text() << endl;
+}
+cout << endl;
+
+// Output (random order):
+// Forename: Homer
+// Age: 45
+// Surname: Simpson
+//! [2]
+
+