proposal for extending XSETTINGS registry keys

[Matthias Clasen]

> > I'll try to sit down sometime this week and write up some explanations
> > of the semantics that the current keys have in GTK+.
> 

Ok, as promised, here is some information on settings used in GTK+:

Net/DoubleClickTime		int	Maximum time allowed between
                                        two clicks for them to be 
                                        considered a double click, in
                                        milliseconds
Net/DoubleClickDistance		int	Maximum stance allowed between
                                        two clicks for them to be
                                        considered a double click, in
                                        pixels
Net/DndDragThreshold		int	Number of pixels the cursor can
                                        move before dragging
Net/CursorBlink			bool	Whether the cursor should blink
Net/CursorBlinkTime		int	Length of the cursor blink
                                        cycle, in milliseconds
Net/ThemeName			string	Name of the widget theme	
Net/IconThemeName		string	Name of the icon theme
Net/FallbackIconTheme		string	Name of an icon theme to try as
                                        a last resort

Xft/Antialias			int	Whether to antialias Xft fonts;
                                        0=no, 1=yes, -1=default
Xft/Hinting			int	Whether to hint Xft fonts; 
                                        0=no, 1=yes, -1=default
Xft/HintStyle			string	What degree of hinting to use;
                                        hintnone, hintslight,
                                        hintmedium, or hintfull
Xft/RGBA			string	Type of subpixel antialiasing;
                                        none, rgb, bgr, vrgb, vbgr
Xft/DPI				int	Resolution for Xft, in 1024 *
                                        dots/inch. -1 to use default
                                        value

Gtk/CanChangeAccels		bool	Whether menu accelerators can be
                                        changed by pressing a key over
                                        the menu item
Gtk/ColorPalette		string	Palette to use in the color
                                        selector, colon-separated list
                                        of colors (that can be parsed by
                                        gdk_parse_color) e.g. 
                                        "black:white:gray50:red:purple"
Gtk/FontName			string	Name of default font to use,
                                        e.g. "Sans 10"
Gtk/IconSizes			string	List of named icon sizes, e.g.
                                    "gtk-menu=16,16:gtk-button=20,20". 
                                        Standard names are gtk-menu,
                                        gtk-button, gtk-small-toolbar,
                                        gtk-large-toolbar, gtk-dnd,
                                        gtk-dialog, but app-specific
                                        names are possible
Gtk/KeyThemeName		string	Name of the key theme. GTK+
                                        allows a lot of key bindings to
                                        be "themed", there is a vi theme
                                        and an emacs theme
Gtk/ToolbarStyle		enum	Whether default toolbars have
                                        text only, text and icons, icons
                                        only, etc. (0=icons, 1=text,
                                        2=both, 3=both_horiz)
Gtk/ToolbarIconSize		enum	Size of icons in default
                                        toolbars, refers to the sizes
                                        defined by the Gtk/IconSizes
                                        setting (1=gtk-menu,
                                        2=gtk-small-toolbar,
                                        3=gtk-large-toolbar, 
					4=gtk-button, 5=gtk-dnd,
                                        6=gtk-dialog)
Gtk/IMPreeditStyle		enum	How to draw the input method
                                        preedit string when using xim 
					(0=nothing, 1=callback, 2=none)
Gtk/IMStatusStyle		enum 	How to draw the input method
                                        statusbar when using xim 
					(0=nothing, 1=callback, 2=none)
Gtk/Modules			string	A colon-separated list of GTK+
                                        modules to load
Gtk/FileChooserBackend		string	Name of the filechooser backend
                                        to use by default, "gtk" or
                                        "gnome-vfs"
Gtk/ButtonImages		bool	Whether stock icons should be
                                        shown in buttons
Gtk/MenuImages			bool	Whether icons should be shown in
                                        menus
Gtk/MenuBarAccel		string	Keybinding to activate the menu
                                        bar, e.g. "F10"
Gtk/CursorThemeName		string	Name of the cursor theme to use,
                                        or NULL to use the default theme
Gtk/CursorThemeSize		int	Size to use for cursors, or 0 to
                                        use the default size
Gtk/ShowInputMethodMenu		bool	Whether the context menus of
                                        text widgets should offer to 
                                        change the input method. This is
                                        intended for use with
                                        desktop-wide input method
                                        frameworks like scim
Gtk/ShowUnicodeMenu		bool	Whether the context menus of
                                        text widgets should offer to
                                        insert control characters
Gtk/TimeoutInitial		int	Starting value for timeouts,
                                        when button is pressed, in
                                        milliseconds. This is used in
                                        widgets which "spin" when
                                        buttons are held down, like
                                        spin buttons, calendars, ranges,
                                        etc
Gtk/TimeoutRepeat		int	Repeat value for timeouts,
                                        when button is pressed, in
                                        milliseconds. This is used in
                                        widgets which "spin" when
                                        buttons are held down, like
                                        spin buttons, calendars, ranges,
                                        etc
Gtk/ColorScheme			string	A palette of named colors for
                                        use in themes. These colors are
                                        not directly mapped to style
                                        colors, GTK+ themes use them as
                                        input to define the actual 
					style colors. The format is a
                                        sequence of name: color pairs,
                                        separated by ; or newlines
Gtk/EnableAnimations		bool	Whether to enable toolkit-wide
                                        animations, e.g.
                                        collapsing/expanding of
					expanders in treeviews, and
                                        movement of toolbar content
Gtk/TouchscreenMode		bool	Change the toolkit behaviour to
                                        be more suitable for
                                        touchscreens, e.g. turn off
                                        prelighting