wxWidgets/interface/wx/settings.h

/////////////////////////////////////////////////////////////////////////////
// Name:        settings.h
// Purpose:     interface of wxSystemSettings
// Author:      wxWidgets team
// RCS-ID:      $Id$
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////


/**
    Possible values for wxSystemSettings::GetFont() parameter.
*/
enum wxSystemFont
{
    wxSYS_OEM_FIXED_FONT = 10,   //!< Original equipment manufacturer dependent fixed-pitch font.
    wxSYS_ANSI_FIXED_FONT,       //!< Windows fixed-pitch font.
    wxSYS_ANSI_VAR_FONT,         //!< Windows variable-pitch (proportional) font.
    wxSYS_SYSTEM_FONT,           //!< System font.
    wxSYS_DEVICE_DEFAULT_FONT,   //!< Device-dependent font (Windows NT only).
    wxSYS_DEFAULT_PALETTE,       //!< @todo docme.
    wxSYS_SYSTEM_FIXED_FONT,     //!< @todo docme.

    /**
        Default font for user interface objects such as menus and dialog boxes.
        Note that with modern GUIs nothing guarantees that the same font is used
        for all GUI elements, so some controls might use a different font by default.
    */
    wxSYS_DEFAULT_GUI_FONT
};


/**
    Possible values for wxSystemSettings::GetColour() parameter.
*/
enum wxSystemColour
{
    wxSYS_COLOUR_SCROLLBAR,           //!< The scrollbar grey area.
    wxSYS_COLOUR_BACKGROUND,          //!< The desktop colour.
    wxSYS_COLOUR_ACTIVECAPTION,       //!< Active window caption.
    wxSYS_COLOUR_INACTIVECAPTION,     //!< Inactive window caption.
    wxSYS_COLOUR_MENU,                //!< Menu background.
    wxSYS_COLOUR_WINDOW,              //!< Window background.
    wxSYS_COLOUR_WINDOWFRAME,         //!< Window frame.
    wxSYS_COLOUR_MENUTEXT,            //!< Menu text.
    wxSYS_COLOUR_WINDOWTEXT,          //!< Text in windows.
    wxSYS_COLOUR_CAPTIONTEXT,         //!< Text in caption, size box and scrollbar arrow box.
    wxSYS_COLOUR_ACTIVEBORDER,        //!< Active window border.
    wxSYS_COLOUR_INACTIVEBORDER,      //!< Inactive window border.
    wxSYS_COLOUR_APPWORKSPACE,        //!< Background colour MDI applications.
    wxSYS_COLOUR_HIGHLIGHT,           //!< Item(s) selected in a control.
    wxSYS_COLOUR_HIGHLIGHTTEXT,       //!< Text of item(s) selected in a control.
    wxSYS_COLOUR_BTNFACE,             //!< Face shading on push buttons.
    wxSYS_COLOUR_BTNSHADOW,           //!< Edge shading on push buttons.
    wxSYS_COLOUR_GRAYTEXT,            //!< Greyed (disabled) text.
    wxSYS_COLOUR_BTNTEXT,             //!< Text on push buttons.
    wxSYS_COLOUR_INACTIVECAPTIONTEXT, //!< Colour of text in active captions.
    wxSYS_COLOUR_BTNHIGHLIGHT,        //!< Highlight colour for buttons (same as wxSYS_COLOUR_3DHILIGHT).
    wxSYS_COLOUR_3DDKSHADOW,          //!< Dark shadow for three-dimensional display elements.
    wxSYS_COLOUR_3DLIGHT,             //!< Light colour for three-dimensional display elements.
    wxSYS_COLOUR_INFOTEXT,            //!< Text colour for tooltip controls.
    wxSYS_COLOUR_INFOBK,              //!< Background colour for tooltip controls.

    wxSYS_COLOUR_DESKTOP = wxSYS_COLOUR_BACKGROUND,
    wxSYS_COLOUR_3DFACE = wxSYS_COLOUR_BTNFACE,
    wxSYS_COLOUR_3DSHADOW = wxSYS_COLOUR_BTNSHADOW,
    wxSYS_COLOUR_BTNHILIGHT = wxSYS_COLOUR_BTNHIGHLIGHT,
    wxSYS_COLOUR_3DHIGHLIGHT = wxSYS_COLOUR_BTNHIGHLIGHT,
    wxSYS_COLOUR_3DHILIGHT = wxSYS_COLOUR_BTNHIGHLIGHT,

    wxSYS_COLOUR_LISTBOX,
    wxSYS_COLOUR_HOTLIGHT,
    wxSYS_COLOUR_GRADIENTACTIVECAPTION,
    wxSYS_COLOUR_GRADIENTINACTIVECAPTION,
    wxSYS_COLOUR_MENUHILIGHT,
    wxSYS_COLOUR_MENUBAR,

    wxSYS_COLOUR_MAX
};

/**
    Possible values for wxSystemSettings::GetMetric() index parameter.
*/
enum wxSystemMetric
{
    wxSYS_MOUSE_BUTTONS,      //!< Number of buttons on mouse, or zero if no mouse was installed.
    wxSYS_BORDER_X,           //!< Width of single border.
    wxSYS_BORDER_Y,           //!< Height of single border.
    wxSYS_CURSOR_X,           //!< Width of cursor.
    wxSYS_CURSOR_Y,           //!< Height of cursor.
    wxSYS_DCLICK_X,           //!< Width in pixels of rectangle within which two successive mouse clicks must fall to generate a double-click.
    wxSYS_DCLICK_Y,           //!< Height in pixels of rectangle within which two successive mouse clicks must fall to generate a double-click.
    wxSYS_DCLICK_MSEC,        //!< Maximal time, in milliseconds, which may pass between subsequent clicks for a double click to be generated.
    wxSYS_DRAG_X,             //!< Width in pixels of a rectangle centered on a drag point to allow for limited movement of the mouse pointer before a drag operation begins.
    wxSYS_DRAG_Y,             //!< Height in pixels of a rectangle centered on a drag point to allow for limited movement of the mouse pointer before a drag operation begins.
    wxSYS_EDGE_X,             //!< Width of a 3D border, in pixels.
    wxSYS_EDGE_Y,             //!< Height of a 3D border, in pixels.
    wxSYS_HSCROLL_ARROW_X,    //!< Width of arrow bitmap on horizontal scrollbar.
    wxSYS_HSCROLL_ARROW_Y,    //!< Height of arrow bitmap on horizontal scrollbar.
    wxSYS_HTHUMB_X,           //!< Width of horizontal scrollbar thumb.
    wxSYS_ICON_X,             //!< The default width of an icon.
    wxSYS_ICON_Y,             //!< The default height of an icon.
    wxSYS_ICONSPACING_X,      //!< Width of a grid cell for items in large icon view, in pixels. Each item fits into a rectangle of this size when arranged.
    wxSYS_ICONSPACING_Y,      //!< Height of a grid cell for items in large icon view, in pixels. Each item fits into a rectangle of this size when arranged.
    wxSYS_WINDOWMIN_X,        //!< Minimum width of a window.
    wxSYS_WINDOWMIN_Y,        //!< Minimum height of a window.
    wxSYS_SCREEN_X,           //!< Width of the screen in pixels.
    wxSYS_SCREEN_Y,           //!< Height of the screen in pixels.
    wxSYS_FRAMESIZE_X,        //!< Width of the window frame for a wxTHICK_FRAME window.
    wxSYS_FRAMESIZE_Y,        //!< Height of the window frame for a wxTHICK_FRAME window.
    wxSYS_SMALLICON_X,        //!< Recommended width of a small icon (in window captions, and small icon view).
    wxSYS_SMALLICON_Y,        //!< Recommended height of a small icon (in window captions, and small icon view).
    wxSYS_HSCROLL_Y,          //!< Height of horizontal scrollbar in pixels.
    wxSYS_VSCROLL_X,          //!< Width of vertical scrollbar in pixels.
    wxSYS_VSCROLL_ARROW_X,    //!< Width of arrow bitmap on a vertical scrollbar.
    wxSYS_VSCROLL_ARROW_Y,    //!< Height of arrow bitmap on a vertical scrollbar.
    wxSYS_VTHUMB_Y,           //!< Height of vertical scrollbar thumb.
    wxSYS_CAPTION_Y,          //!< Height of normal caption area.
    wxSYS_MENU_Y,             //!< Height of single-line menu bar.
    wxSYS_NETWORK_PRESENT,    //!< 1 if there is a network present, 0 otherwise.
    wxSYS_PENWINDOWS_PRESENT, //!< 1 if PenWindows is installed, 0 otherwise.
    wxSYS_SHOW_SOUNDS,        //!< Non-zero if the user requires an application to present information
                              //!< visually in situations where it would otherwise present the information
                              //!< only in audible form; zero otherwise.
    wxSYS_SWAP_BUTTONS,       //!< Non-zero if the meanings of the left and right mouse buttons are swapped; zero otherwise.
    wxSYS_DCLICK_MSEC
};

/**
    Possible values for wxSystemSettings::HasFeature() parameter.
*/
enum wxSystemFeature
{
    wxSYS_CAN_DRAW_FRAME_DECORATIONS = 1,
    wxSYS_CAN_ICONIZE_FRAME,
    wxSYS_TABLET_PRESENT
};

/**
    Values for different screen designs.
*/
enum wxSystemScreenType
{
    wxSYS_SCREEN_NONE = 0,  //!< Undefined screen type.

    wxSYS_SCREEN_TINY,      //!< Tiny screen, less than 320x240
    wxSYS_SCREEN_PDA,       //!< PDA screen, 320x240 or more but less than 640x480
    wxSYS_SCREEN_SMALL,     //!< Small screen, 640x480 or more but less than 800x600
    wxSYS_SCREEN_DESKTOP    //!< Desktop screen, 800x600 or more
};


/**
    @class wxSystemSettings

    wxSystemSettings allows the application to ask for details about the system.
    This can include settings such as standard colours, fonts,
    and user interface element sizes.

    @library{wxcore}
    @category{misc}

    @see wxFont, wxColour
*/
class wxSystemSettings : public wxObject
{
public:
    /**
        Default constructor.

        You don't need to create an instance of wxSystemSettings
        since all of its functions are static.
    */
    wxSystemSettings();

    /**
        Returns a system colour.
        @a index can be one of the ::wxSystemColour enum values.
    */
    static wxColour GetColour(wxSystemColour index);

    /**
        Returns a system font.
        @a index can be one of the ::wxSystemFont enum values.
    */
    static wxFont GetFont(wxSystemFont index);

    /**
        Returns the value of a system metric, or -1 if the metric is not supported on
        the current system.

        The value of @a win determines if the metric returned is a global value or
        a wxWindow based value, in which case it might determine the widget, the
        display the window is on, or something similar. The window given should be as
        close to the metric as possible (e.g a wxTopLevelWindow in case of the
        wxSYS_CAPTION_Y metric).

        @a index can be one of the ::wxSystemMetric enum values.

        @a win is a pointer to the window for which the metric is requested.
        Specifying the @a win parameter is encouraged, because some metrics on some
        ports are not supported without one,or they might be capable of reporting
        better values if given one. If a window does not make sense for a metric,
        one should still be given, as for example it might determine which displays
        cursor width is requested with wxSYS_CURSOR_X.
    */
    static int GetMetric(wxSystemMetric index, wxWindow* win = NULL);

    /**
        Returns the screen type.
        The return value is one of the ::wxSystemScreenType enum values.
    */
    static wxSystemScreenType GetScreenType();
};