Table of Contents
XRecolorCursor, XFreeCursor,
XQueryBestCursor - manipulate cursors
XRecolorCursor(display, cursor,
foreground_color, background_color)
Display *display;
Cursor cursor;
XColor *foreground_color, *background_color;
XFreeCursor(display, cursor)
Display *display;
Cursor cursor;
Status XQueryBestCursor(display, d, width, height, width_return, height_return)
Display *display;
Drawable d;
unsigned int width, height;
unsigned int *width_return, *height_return;
- background_color
- Specifies the RGB values for the background of
the source.
- cursor
- Specifies the cursor.
- d
- Specifies the drawable, which indicates
the screen.
- display
- Specifies the connection to the X server.
- foreground_color
- Specifies
the RGB values for the foreground of the source.
- width
- height
- Specify the width and height of the cursor that you want the size
information for.
- width_return
- height_return
- Return the best width and height that is closest to the specified
width and height.
The XRecolorCursor function changes the
color of the specified cursor, and if the cursor is being displayed on
a screen, the change is visible immediately. The pixel members of the XColor
structures are ignored; only the RGB values are used.
XRecolorCursor
can generate a BadCursor error.
The XFreeCursor function deletes the
association between the cursor resource ID and the specified cursor. The
cursor storage is freed when no other resource references it. The specified
cursor ID should not be referred to again.
XFreeCursor can generate a
BadCursor error.
Some displays allow larger cursors than other displays.
The XQueryBestCursor function provides a way to find out what size cursors
are actually possible on the display. It returns the largest size that
can be displayed. Applications should be prepared to use smaller cursors
on displays that cannot support large ones.
XQueryBestCursor can generate
a BadDrawable error.
- BadCursor
- A value for a Cursor argument
does not name a defined Cursor.
- BadDrawable
- A value for a Drawable argument
does not name a defined Window or Pixmap.
XCreateColormap(3X11)
,
XCreateFontCursor(3X11)
, XDefineCusor(3X11)
Xlib - C Language X Interface
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