author | mickeyl <mickeyl> | 2003-06-28 14:11:46 (UTC) |
---|---|---|
committer | mickeyl <mickeyl> | 2003-06-28 14:11:46 (UTC) |
commit | 50e4e1e8876372bf9dbb0c32acc93c65434738d5 (patch) (unidiff) | |
tree | c430a08b75b7008d9e717df7be96c6479f1bebe5 /libopie2 | |
parent | 5bb184fd350f1e6352b6f41fbb18b59d2d3d7403 (diff) | |
download | opie-50e4e1e8876372bf9dbb0c32acc93c65434738d5.zip opie-50e4e1e8876372bf9dbb0c32acc93c65434738d5.tar.gz opie-50e4e1e8876372bf9dbb0c32acc93c65434738d5.tar.bz2 |
support OListViewItem specific overload of expand to give those the chance
to compute stuff "just in time" - this is also known as lazy computation
patch by tille
-rw-r--r-- | libopie2/opieui/olistview.cpp | 6 | ||||
-rw-r--r-- | libopie2/opieui/olistview.h | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp index 8f290d3..ec503dd 100644 --- a/libopie2/opieui/olistview.cpp +++ b/libopie2/opieui/olistview.cpp | |||
@@ -48,12 +48,13 @@ OListView::OListView( QWidget *parent, const char *name ) | |||
48 | { | 48 | { |
49 | //FIXME: get from global settings and calculate ==> see oglobalsettings.* | 49 | //FIXME: get from global settings and calculate ==> see oglobalsettings.* |
50 | 50 | ||
51 | m_alternateBackground = QColor( 238, 246, 255 ); | 51 | m_alternateBackground = QColor( 238, 246, 255 ); |
52 | m_columnSeparator = QPen( QColor( 150, 160, 170 ), 0, DotLine ); | 52 | m_columnSeparator = QPen( QColor( 150, 160, 170 ), 0, DotLine ); |
53 | m_fullWidth = true; | 53 | m_fullWidth = true; |
54 | connect( this, SIGNAL(expanded(QListViewItem*)), SLOT(expand(QListViewItem*))); | ||
54 | } | 55 | } |
55 | 56 | ||
56 | OListView::~OListView() | 57 | OListView::~OListView() |
57 | { | 58 | { |
58 | } | 59 | } |
59 | 60 | ||
@@ -124,12 +125,17 @@ const QPen& OListView::columnSeparator() const | |||
124 | void OListView::setColumnSeparator( const QPen& p ) | 125 | void OListView::setColumnSeparator( const QPen& p ) |
125 | { | 126 | { |
126 | m_columnSeparator = p; | 127 | m_columnSeparator = p; |
127 | repaint(); | 128 | repaint(); |
128 | } | 129 | } |
129 | 130 | ||
131 | void OListView::expand(QListViewItem *item) | ||
132 | { | ||
133 | ((OListViewItem*)item)->expand(); | ||
134 | } | ||
135 | |||
130 | OListViewItem* OListView::childFactory() | 136 | OListViewItem* OListView::childFactory() |
131 | { | 137 | { |
132 | return new OListViewItem( this ); | 138 | return new OListViewItem( this ); |
133 | } | 139 | } |
134 | 140 | ||
135 | #ifndef QT_NO_DATASTREAM | 141 | #ifndef QT_NO_DATASTREAM |
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h index 109e309..a00b43a 100644 --- a/libopie2/opieui/olistview.h +++ b/libopie2/opieui/olistview.h | |||
@@ -119,12 +119,18 @@ class OListView: public QListView | |||
119 | /** | 119 | /** |
120 | * Serialize this object from a @ref QDataStream @a stream | 120 | * Serialize this object from a @ref QDataStream @a stream |
121 | */ | 121 | */ |
122 | virtual void serializeFrom( QDataStream& s ); | 122 | virtual void serializeFrom( QDataStream& s ); |
123 | #endif | 123 | #endif |
124 | 124 | ||
125 | protected slots: | ||
126 | /** | ||
127 | * expand the current OListViewItem | ||
128 | */ | ||
129 | void expand(QListViewItem*); | ||
130 | |||
125 | private: | 131 | private: |
126 | QColor m_alternateBackground; | 132 | QColor m_alternateBackground; |
127 | bool m_fullWidth; | 133 | bool m_fullWidth; |
128 | QPen m_columnSeparator; | 134 | QPen m_columnSeparator; |
129 | }; | 135 | }; |
130 | 136 | ||
@@ -217,12 +223,17 @@ class OListViewItem: public QListViewItem | |||
217 | * serialize this object to or from a @ref QDataStream | 223 | * serialize this object to or from a @ref QDataStream |
218 | * @param s the stream used to serialize this object. | 224 | * @param s the stream used to serialize this object. |
219 | */ | 225 | */ |
220 | virtual void serializeFrom( QDataStream& s ); | 226 | virtual void serializeFrom( QDataStream& s ); |
221 | #endif | 227 | #endif |
222 | 228 | ||
229 | /** | ||
230 | * expand the the item | ||
231 | */ | ||
232 | virtual void expand(){}; | ||
233 | |||
223 | private: | 234 | private: |
224 | bool m_known; | 235 | bool m_known; |
225 | bool m_odd; | 236 | bool m_odd; |
226 | }; | 237 | }; |
227 | 238 | ||
228 | #ifndef QT_NO_DATASTREAM | 239 | #ifndef QT_NO_DATASTREAM |