used to optimize behaviour that doesn't deserve a distinct API,
but is still important to be able to configure.
- These options are currently recognised by wxWidgets.
+ These options are currently recognised by wxWidgets:
+
+
+ @section sysopt_win Windows
+
+ @beginFlagTable
+ @flag{no-maskblt}
+ 1 to never use WIN32's MaskBlt function, 0 to allow it to be used where possible.
+ Default: 0. In some circumstances the MaskBlt function can be slower than using
+ the fallback code, especially if using DC cacheing. By default, MaskBlt will be
+ used where it is implemented by the operating system and driver.
+ @flag{msw.remap}
+ If 1 (the default), wxToolBar bitmap colours will be remapped to the current
+ theme's values. Set this to 0 to disable this functionality, for example if
+ you're using more than 16 colours in your tool bitmaps.
+ @flag{msw.window.no-clip-children}
+ If 1, windows will not automatically get the WS_CLIPCHILDREN style.
+ This restores the way windows are refreshed back to the method used in
+ versions of wxWidgets earlier than 2.5.4, and for some complex window
+ hierarchies it can reduce apparent refresh delays.
+ You may still specify wxCLIP_CHILDREN for individual windows.
+ @flag{msw.notebook.themed-background}
+ If set to 0, globally disables themed backgrounds on notebook pages.
+ Note that this won't disable the theme on the actual notebook background
+ (noticeable only if there are no pages).
+ @flag{msw.staticbox.optimized-paint}
+ If set to 0, switches off optimized wxStaticBox painting.
+ Setting this to 0 causes more flicker, but allows applications to paint
+ graphics on the parent of a static box (the optimized refresh causes any
+ such drawing to disappear).
+ @flag{msw.display.directdraw}
+ If set to 1, use DirectDraw-based implementation of wxDisplay.
+ By default the standard Win32 functions are used.
+ @flag{msw.font.no-proof-quality}
+ If set to 1, use default fonts quality instead of proof quality when
+ creating fonts. With proof quality the fonts have slightly better
+ appearance but not all fonts are available in this quality,
+ e.g. the Terminal font in small sizes is not and this option may be
+ used if wider fonts selection is more important than higher quality.
+ @flag{wince.dialog.real-ok-cancel}
+ The PocketPC guidelines recommend for Ok/Cancel dialogs to use an OK button
+ located inside the caption bar and implement Cancel functionality through
+ Undo outside the dialog.
+ wxDialog::CreateButtonSizer will follow the native behaviour on WinCE but
+ it can be overridden with real wxButtons by setting the option below to 1.
+ @endFlagTable
+
+
+ @section sysopt_gtk GTK+
+
+ @beginFlagTable
+ @flag{gtk.tlw.can-set-transparent}
+ wxTopLevelWindow::CanSetTransparent() method normally tries to detect
+ automatically whether transparency for top level windows is currently
+ supported, however this may sometimes fail and this option allows to
+ override the automatic detection. Setting it to 1 makes the transparency
+ be always available (setting it can still fail, of course) and setting it
+ to 0 makes it always unavailable.
+ @flag{gtk.desktop}
+ This option can be set to override the default desktop environment
+ determination. Supported values are GNOME and KDE.
+ @flag{gtk.window.force-background-colour}
+ If 1, the backgrounds of windows with the wxBG_STYLE_COLOUR background
+ style are cleared forcibly instead of relying on the underlying GTK+
+ window colour. This works around a display problem when running
+ applications under KDE with the gtk-qt theme installed (0.6 and below).
+ @endFlagTable
+
+
+ @section sysopt_mac Mac
+
+ @beginFlagTable
+ @flag{mac.window-plain-transition}
+ If 1, uses a plainer transition when showing a window.
+ You can also use the symbol wxMAC_WINDOW_PLAIN_TRANSITION.
+ @flag{window-default-variant}
+ The default variant used by windows (cast to integer from the wxWindowVariant enum).
+ Also known as wxWINDOW_DEFAULT_VARIANT.
+ @flag{mac.listctrl.always_use_generic}
+ Tells wxListCtrl to use the generic control even when it is capable of
+ using the native control instead. Also knwon as wxMAC_ALWAYS_USE_GENERIC_LISTCTRL.
+ @flag{mac.textcontrol-use-spell-checker}
+ This option only has effect for Mac OS X 10.4 and higher.
+ If 1 activates the spell checking in wxTextCtrl.
+ @endFlagTable
+
+
+ @section sysopt_mgl MGL
+
+ @beginFlagTable
+ @flag{mgl.aa-threshold}
+ Set this integer option to point size below which fonts are not antialiased. Default: 10.
+ @flag{mgl.screen-refresh}
+ Screen refresh rate in Hz. A reasonable default is used if not specified.
+ @endFlagTable
+
+
+ @section sysopt_motif Motif
+
+ @beginFlagTable
+ @flag{motif.largebuttons}
+ If 1, uses a bigger default size for wxButtons.
+ @endFlagTable
+
+
+ The compile-time option to include or exclude this functionality is wxUSE_SYSTEM_OPTIONS.
@library{wxbase}
- @category{misc}
+ @category{cfg}
- @see wxSystemOptions::SetOption, wxSystemOptions::GetOptionInt,
- wxSystemOptions::HasOption
+ @see wxSystemSettings
*/
class wxSystemOptions : public wxObject
{
public:
/**
- Default constructor. You don't need to create an instance of wxSystemOptions
- since all of its functions are static.
+ Default constructor.
+
+ You don't need to create an instance of wxSystemOptions since all
+ of its functions are static.
*/
wxSystemOptions();
/**
- Gets an option. The function is case-insensitive to @e name.
+ Gets an option. The function is case-insensitive to @a name.
Returns empty string if the option hasn't been set.
- @see SetOption(), GetOptionInt(),
- HasOption()
+ @see SetOption(), GetOptionInt(), HasOption()
*/
- wxString GetOption(const wxString& name) const;
+ static wxString GetOption(const wxString& name);
/**
- Gets an option as an integer. The function is case-insensitive to @e name.
+ Gets an option as an integer. The function is case-insensitive to @a name.
If the option hasn't been set, this function returns 0.
- @see SetOption(), GetOption(),
- HasOption()
+ @see SetOption(), GetOption(), HasOption()
*/
- int GetOptionInt(const wxString& name) const;
+ static int GetOptionInt(const wxString& name);
/**
- Returns @true if the given option is present. The function is
- case-insensitive to @e name.
+ Returns @true if the given option is present.
+ The function is case-insensitive to @a name.
- @see SetOption(), GetOption(),
- GetOptionInt()
+ @see SetOption(), GetOption(), GetOptionInt()
*/
- bool HasOption(const wxString& name) const;
+ static bool HasOption(const wxString& name);
/**
- Returns @true if the option with the given @a name had been set to 0
- value. This is mostly useful for boolean options for which you can't use
+ Returns @true if the option with the given @a name had been set to 0 value.
+
+ This is mostly useful for boolean options for which you can't use
@c GetOptionInt(name) == 0 as this would also be @true if the option
hadn't been set at all.
*/
- bool IsFalse(const wxString& name) const;
+ static bool IsFalse(const wxString& name);
//@{
/**
- Sets an option. The function is case-insensitive to @e name.
+ Sets an option. The function is case-insensitive to @a name.
*/
void SetOption(const wxString& name, const wxString& value);
void SetOption(const wxString& name, int value);
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