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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
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treea17e1a767a89542ab59907462206d7dcf2e504b2 /doc/src/snippets/code/src_gui_kernel_qlayoutitem.cpp
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Long live Qt for S60!
Diffstat (limited to 'doc/src/snippets/code/src_gui_kernel_qlayoutitem.cpp')
-rw-r--r--doc/src/snippets/code/src_gui_kernel_qlayoutitem.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_gui_kernel_qlayoutitem.cpp b/doc/src/snippets/code/src_gui_kernel_qlayoutitem.cpp
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@@ -0,0 +1,13 @@
+//! [0]
+int MyLayout::heightForWidth(int w) const
+{
+ if (cache_dirty || cached_width != w) {
+ // not all C++ compilers support "mutable"
+ MyLayout *that = (MyLayout*)this;
+ int h = calculateHeightForWidth(w);
+ that->cached_hfw = h;
+ return h;
+ }
+ return cached_hfw;
+}
+//! [0]