/**
- Background styles. See wxWindow::SetBackgroundStyle().
+ Background styles.
+
+ @see wxWindow::SetBackgroundStyle()
*/
enum wxBackgroundStyle
{
- /// Use the default background, as determined by
- /// the system or the current theme.
+ /**
+ Default background style value indicating that the background may be
+ erased in the user-defined EVT_ERASE_BACKGROUND handler.
+
+ If no such handler is defined (or if it skips the event), the effect of
+ this style is the same as wxBG_STYLE_SYSTEM. If an empty handler (@em
+ not skipping the event) is defined, the effect is the same as
+ wxBG_STYLE_PAINT, i.e. the background is not erased at all until
+ EVT_PAINT handler is executed.
+
+ This is the only background style value for which erase background
+ events are generated at all.
+ */
+ wxBG_STYLE_ERASE,
+
+ /**
+ Use the default background, as determined by the system or the current
+ theme.
+
+ If the window has been assigned a non-default background colour, it
+ will be used for erasing its background. Otherwise the default
+ background (which might be a gradient or a pattern) will be used.
+
+ EVT_ERASE_BACKGROUND event will not be generated at all for windows
+ with this style.
+ */
wxBG_STYLE_SYSTEM,
- /// Use a solid colour for the background, this style is set automatically if you call
- /// SetBackgroundColour() so you only need to set it explicitly if you had
- /// changed the background style to something else before.
- wxBG_STYLE_COLOUR,
+ /**
+ Indicates that the background is only erased in the user-defined
+ EVT_PAINT handler.
- /// Don't draw the background at all, it's supposed that it is drawn by
- /// the user-defined erase background event handler.
- /// This style should be used to avoid flicker when the background is entirely
- /// custom-drawn.
- wxBG_STYLE_CUSTOM,
+ Using this style avoids flicker which would result from redrawing the
+ background twice if the EVT_PAINT handler entirely overwrites it. It
+ must not be used however if the paint handler leaves any parts of the
+ window unpainted as their contents is then undetermined. Only use it if
+ you repaint the whole window in your handler.
- /// The background is (partially) transparent,this style is automatically set if you call
- /// SetTransparent() which is used to set the transparency level.
- wxBG_STYLE_TRANSPARENT
+ EVT_ERASE_BACKGROUND event will not be generated at all for windows
+ with this style.
+ */
+ wxBG_STYLE_PAINT
};
};
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+/**
+ C99-like sized MIN/MAX constants for all integer types.
+
+ For each @c n in the set 8, 16, 32, 64 we define @c wxINTn_MIN, @c
+ wxINTn_MAX and @c wxUINTc_MAX (@c wxUINTc_MIN is always 0 and so is not
+ defined).
+ */
+//@{
+#define wxINT8_MIN CHAR_MIN
+#define wxINT8_MAX CHAR_MAX
+#define wxUINT8_MAX UCHAR_MAX
+
+#define wxINT16_MIN SHRT_MIN
+#define wxINT16_MAX SHRT_MAX
+#define wxUINT16_MAX USHRT_MAX
+
+#define wxINT32_MIN INT_MIN-or-LONG_MIN
+#define wxINT32_MAX INT_MAX-or-LONG_MAX
+#define wxUINT32_MAX UINT_MAX-or-LONG_MAX
+
+#define wxINT64_MIN LLONG_MIN
+#define wxINT64_MAX LLONG_MAX
+#define wxUINT64_MAX ULLONG_MAX
+//@}
// ----------------------------------------------------------------------------
// types
*/
#define wxDEPRECATED_INLINE(func, body)
+/**
+ A helper macro allowing to easily define a simple deprecated accessor.
+
+ Compared to wxDEPRECATED_INLINE() it saves a @c return statement and,
+ especially, a strangely looking semicolon inside a macro.
+
+ Example of use
+ @code
+ class wxFoo
+ {
+ public:
+ int GetValue() const { return m_value; }
+
+ // this one is deprecated because it was erroneously non-const
+ wxDEPRECATED_ACCESSOR( int GetValue(), m_value )
+
+ private:
+ int m_value;
+ };
+ @endcode
+ */
+#define wxDEPRECATED_ACCESSOR(func, what)
+
/**
Combination of wxDEPRECATED_BUT_USED_INTERNALLY() and wxDEPRECATED_INLINE().