XLIB Programming Manual, Rel. 5, Third Edition

Name

ConfigureNotify — xconfigure

When Generated

A ConfigureNotify event announces actual changes to a window’s configuration (size, position, border, and stacking order). See also the CirculateRequest reference page.

Select With

This event is selected for a single window by specifying the window ID of that window with StructureNotifyMask. To receive this event for all children of a window, specify the parent window ID with SubstructureNotifyMask.

XEvent Structure Name

typedef union _XEvent {
    ...
    XConfigureEvent xconfigure;
    ...
} XEvent;

Event Structure

typedef struct {
    int type;
    unsigned long serial;    /* # of last request processed by server */
    Bool send_event;         /* True if this came from SendEvent request */
    Display *display;        /* Display the event was read from */
    Window event;
    Window window;
    int x, y;
    int width, height;
    int border_width;
    Window above;
    Bool override_redirect;
} XConfigureEvent;

Event Structure Members

event

The window that selected the event. The event and window members are identical if the event was selected with StructureNotifyMask.

window

The window whose configuration was changed.

x, y

The final coordinates of the reconfigured window relative to its parent.

width, height

The width and height in pixels of the window after reconfiguration.

border_width

The width in pixels of the border after reconfiguration.

above

If this member is None, then the window is on the bottom of the stack with respect to its siblings. Otherwise, the window is immediately on top of the specified sibling window. ...