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author | Thiago Macieira <thiago.macieira@nokia.com> | 2009-05-14 22:02:58 (GMT) |
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committer | Thiago Macieira <thiago.macieira@nokia.com> | 2009-05-14 22:02:58 (GMT) |
commit | e3fcf351dee44b4f9457a6abbed76d37fc0fbe67 (patch) | |
tree | 2c5e0a4eaedbfa1aa8145b6aef6bdd93a38f92fb /doc/src | |
parent | f36d2e5cd0655cee2a1bfb84a66400a4b7a4c454 (diff) | |
parent | ae3f20e9ce7f592c22c23e8dea6bb9feb52c8b90 (diff) | |
download | Qt-e3fcf351dee44b4f9457a6abbed76d37fc0fbe67.zip Qt-e3fcf351dee44b4f9457a6abbed76d37fc0fbe67.tar.gz Qt-e3fcf351dee44b4f9457a6abbed76d37fc0fbe67.tar.bz2 |
Merge branch '4.5'
Conflicts:
tools/macdeployqt/shared/shared.cpp
Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/layout.qdoc | 16 | ||||
-rw-r--r-- | doc/src/snippets/code/doc_src_layout.qdoc | 41 |
2 files changed, 33 insertions, 24 deletions
diff --git a/doc/src/layout.qdoc b/doc/src/layout.qdoc index 55dfd8b..196999b 100644 --- a/doc/src/layout.qdoc +++ b/doc/src/layout.qdoc @@ -315,7 +315,11 @@ \snippet doc/src/snippets/code/doc_src_layout.qdoc 1 - First we define two functions that iterate over the layout: \c{itemAt()} + First we define \c{count()} to fetch the number of items in the list. + + \snippet doc/src/snippets/code/doc_src_layout.qdoc 2 + + Then we define two functions that iterate over the layout: \c{itemAt()} and \c{takeAt()}. These functions are used internally by the layout system to handle deletion of widgets. They are also available for application programmers. @@ -326,7 +330,7 @@ structure, we may have to spend more effort defining a linear order for the items. - \snippet doc/src/snippets/code/doc_src_layout.qdoc 2 + \snippet doc/src/snippets/code/doc_src_layout.qdoc 3 \c{addItem()} implements the default placement strategy for layout items. This function must be implemented. It is used by QLayout::add(), by the @@ -336,26 +340,26 @@ QGridLayout::addItem(), QGridLayout::addWidget(), and QGridLayout::addLayout(). - \snippet doc/src/snippets/code/doc_src_layout.qdoc 3 + \snippet doc/src/snippets/code/doc_src_layout.qdoc 4 The layout takes over responsibility of the items added. Since QLayoutItem does not inherit QObject, we must delete the items manually. The function QLayout::deleteAllItems() uses \c{takeAt()} defined above to delete all the items in the layout. - \snippet doc/src/snippets/code/doc_src_layout.qdoc 4 + \snippet doc/src/snippets/code/doc_src_layout.qdoc 5 The \c{setGeometry()} function actually performs the layout. The rectangle supplied as an argument does not include \c{margin()}. If relevant, use \c{spacing()} as the distance between items. - \snippet doc/src/snippets/code/doc_src_layout.qdoc 5 + \snippet doc/src/snippets/code/doc_src_layout.qdoc 6 \c{sizeHint()} and \c{minimumSize()} are normally very similar in implementation. The sizes returned by both functions should include \c{spacing()}, but not \c{margin()}. - \snippet doc/src/snippets/code/doc_src_layout.qdoc 6 + \snippet doc/src/snippets/code/doc_src_layout.qdoc 7 \section2 Further Notes diff --git a/doc/src/snippets/code/doc_src_layout.qdoc b/doc/src/snippets/code/doc_src_layout.qdoc index 48e10e9..fedcf0c 100644 --- a/doc/src/snippets/code/doc_src_layout.qdoc +++ b/doc/src/snippets/code/doc_src_layout.qdoc @@ -2,23 +2,21 @@ #ifndef CARD_H #define CARD_H -#include <QLayout> +#include <QtGui> #include <QList> class CardLayout : public QLayout { public: - CardLayout(QWidget *parent, int dist) - : QLayout(parent, 0, dist) {} - CardLayout(QLayout *parent, int dist) - : QLayout(parent, dist) {} - CardLayout(int dist) - : QLayout(dist) {} + CardLayout(QWidget *parent, int dist): QLayout(parent, 0, dist) {} + CardLayout(QLayout *parent, int dist): QLayout(parent, dist) {} + CardLayout(int dist): QLayout(dist) {} ~CardLayout(); void addItem(QLayoutItem *item); QSize sizeHint() const; QSize minimumSize() const; + QLayoutItem *count() const; QLayoutItem *itemAt(int) const; QLayoutItem *takeAt(int); void setGeometry(const QRect &rect); @@ -31,11 +29,18 @@ private: //! [1] -#include "card.h" +//#include "card.h" //! [1] - //! [2] +QLayoutItem *CardLayout::count() const +{ + // QList::size() returns the number of QLayoutItems in the list + return list.size(); +} +//! [2] + +//! [3] QLayoutItem *CardLayout::itemAt(int idx) const { // QList::value() performs index checking, and returns 0 if we are @@ -48,26 +53,26 @@ QLayoutItem *CardLayout::takeAt(int idx) // QList::take does not do index checking return idx >= 0 && idx < list.size() ? list.takeAt(idx) : 0; } -//! [2] +//! [3] -//! [3] +//! [4] void CardLayout::addItem(QLayoutItem *item) { list.append(item); } -//! [3] +//! [4] -//! [4] +//! [5] CardLayout::~CardLayout() { deleteAllItems(); } -//! [4] +//! [5] -//! [5] +//! [6] void CardLayout::setGeometry(const QRect &r) { QLayout::setGeometry(r); @@ -85,10 +90,10 @@ void CardLayout::setGeometry(const QRect &r) ++i; } } -//! [5] +//! [6] -//! [6] +//! [7] QSize CardLayout::sizeHint() const { QSize s(0,0); @@ -116,4 +121,4 @@ QSize CardLayout::minimumSize() const } return s + n*QSize(spacing(), spacing()); } -//! [6] +//! [7]
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