Section 3: library functions
XSetDeviceMode – change the mode of a device Synopsis #include <X11/extensions/XInput.h> XSetDeviceMode( Display *display, XDevice *device, int mode); display Specifies the connection to the X server. device Specifies the device whose mode is to be changed. mode Specifies the mode. You can pass Absolute, or Relative. Description The XSetDeviceMode request changes the mode of an…
XSetDeviceFocus, XGetDeviceFocus – control extension input device focus Synopsis #include <X11/extensions/XInput.h> XSetDeviceFocus( Display *display, XDevice *device, Window focus, int revert_to, Time time); XGetDeviceFocus( Display *display, XDevice *device, Window *focus_return, int *revert_to_return, int * time_return); Arguments display Specifies the connection to the X server. device Specifies the device whose focus is to be queried or changed….
XSetDeviceButtonMapping, XGetDeviceButtonMapping – query or change device button mappings Synopsis #include <X11/extensions/XInput.h> int XSetDeviceButtonMapping( Display *display, XDevice *device, unsigned char map[], int nmap); int XGetDeviceButtonMapping( Display *display, XDevice *device, unsigned char map_return[], int nmap); display Specifies the connection to the X server. device Specifies the device whose button mapping is to be queried or changed….
XSetLineAttributes, XSetDashes – GC convenience routines Syntax int XSetLineAttributes(Display *display, GC gc, unsigned int line_width, int line_style, int cap_style, int join_style); int XSetDashes(Display *display, GC gc, int dash_offset, char dash_list[], int n); Arguments cap_style Specifies the line-style and cap-style you want to set for the specified GC. You can pass CapNotLast, CapButt, CapRound, or CapProjecting….
XSetCommand, XGetCommand – set or read a window’s WM_COMMAND property Syntax int XSetCommand(Display *display, Window w, char **argv, int argc); Status XGetCommand(Display *display, Window w, char ***argv_return, int *argc_return); Arguments argc Specifies the number of arguments. argc_return Returns the number of arguments returned. argv Specifies the application’s argument list. argv_return Returns the application’s argument list….
XSetCloseDownMode, XKillClient – control clients Syntax int XSetCloseDownMode(Display *display, int close_mode); int XKillClient(Display *display, XID resource); Arguments close_mode Specifies the client close-down mode. You can pass DestroyAll, RetainPermanent, or RetainTemporary. display Specifies the connection to the X server. resource Specifies any resource associated with the client that you want to destroy or AllTemporary. Description The…
XSetClipOrigin, XSetClipMask, XSetClipRectangles – GC convenience routines Syntax int XSetClipOrigin(Display *display, GC gc, int clip_x_origin, int clip_y_origin); int XSetClipMask(Display *display, GC gc, Pixmap pixmap); int XSetClipRectangles(Display *display, GC gc, int clip_x_origin, int clip_y_origin, XRectangle rectangles[], int n, int ordering); Arguments display Specifies the connection to the X server. clip_x_origin clip_y_origin Specify the x and y…
XSetClipOrigin, XSetClipMask, XSetClipRectangles – GC convenience routines Syntax int XSetClipOrigin(Display *display, GC gc, int clip_x_origin, int clip_y_origin); int XSetClipMask(Display *display, GC gc, Pixmap pixmap); int XSetClipRectangles(Display *display, GC gc, int clip_x_origin, int clip_y_origin, XRectangle rectangles[], int n, int ordering); Arguments display Specifies the connection to the X server. clip_x_origin clip_y_origin Specify the x and y…
XSetClipOrigin, XSetClipMask, XSetClipRectangles – GC convenience routines Syntax int XSetClipOrigin(Display *display, GC gc, int clip_x_origin, int clip_y_origin); int XSetClipMask(Display *display, GC gc, Pixmap pixmap); int XSetClipRectangles(Display *display, GC gc, int clip_x_origin, int clip_y_origin, XRectangle rectangles[], int n, int ordering); Arguments display Specifies the connection to the X server. clip_x_origin clip_y_origin Specify the x and y…
XAllocClassHint, XSetClassHint, XGetClassHint, XClassHint – allocate class hints structure and set or read a window’s WM_CLASS property Syntax XClassHint *XAllocClassHint(void); XSetClassHint(Display *display, Window w, XClassHint *class_hints); Status XGetClassHint(Display *display, Window w, XClassHint *class_hints_return); Arguments display Specifies the connection to the X server. class_hints Specifies the XClassHint structure that is to be used. class_hints_return Returns the…
XSetState, XSetFunction, XSetPlaneMask, XSetForeground, XSetBackground – GC convenience routines Syntax int XSetState(Display *display, GC gc, unsigned long foreground, unsigned int background, int function, unsigned long plane_mask); int XSetFunction(Display *display, GC gc, int function); int XSetPlaneMask(Display *display, GC gc, unsigned long plane_mask); int XSetForeground(Display *display, GC gc, unsigned long foreground); int XSetBackground(Display *display, GC gc, unsigned…
XSetArcMode, XSetSubwindowMode, XSetGraphicsExposure – GC convenience routines Syntax int XSetArcMode(Display *display, GC gc, int arc_mode); int XSetSubwindowMode(Display *display, GC gc, int subwindow_mode); int XSetGraphicsExposures(Display *display, GC gc, Bool graphics_exposures); Arguments arc_mode Specifies the arc mode. You can pass ArcChord or ArcPieSlice. display Specifies the connection to the X server. gc Specifies the GC. graphics_exposures Specifies…
XSynchronize, XSetAfterFunction – enable or disable synchronization Syntax int (*XSynchronize(Display *display, Bool onoff))(); int (*XSetAfterFunction(Display *display, int (*procedure)()))(); Arguments display Specifies the connection to the X server. procedure Specifies the procedure to be called. onoff Specifies a Boolean value that indicates whether to enable or disable synchronization. Description The XSynchronize function returns the previous after…
XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemoveHosts, XSetAccessControl, XEnableAccessControl, XDisableAccessControl, XHostAddress, XServerInterpretedAddress – control host access and host control structure Syntax int XAddHost(Display *display, XHostAddress *host); int XAddHosts(Display *display, XHostAddress *hosts, int num_hosts); XHostAddress *XListHosts(Display *display, int *nhosts_return, Bool state_return); int XRemoveHost(Display *display, XHostAddress *host); int XRemoveHosts(Display *display, XHostAddress *hosts, int num_hosts); int XSetAccessControl(Display *display, int mode);…
XSendExtensionEvent – send input extension events to a client Synopsis #include <X11/extensions/XInput.h> Status XSendExtensionEvent( Display *display, XDevice *device, Window destination, Bool propagate, int event_count, XEventClass *event_list, XEvent *event_send); display Specifies the connection to the X server. device Specifies the device from which the events are to be sent. destination Specifies the window the event is…
XSendEvent, XDisplayMotionBufferSize, XGetMotionEvents, XTimeCoord – send events and pointer motion history structure Syntax Status XSendEvent(Display *display, Window w, Bool propagate, long event_mask, XEvent *event_send); unsigned long XDisplayMotionBufferSize(Display *display); XTimeCoord *XGetMotionEvents(Display *display, Window w, Time start, Time stop, int *nevents_return); Arguments display Specifies the connection to the X server. event_mask Specifies the event mask. event_send Specifies…
XSelectionRequestEvent – SelectionRequest event structure Structures The structure for SelectionRequest events contains: typedef struct { int type; /* SelectionRequest */ unsigned long serial; /* # of last request processed by server */ Bool send_event; /* true if this came from a SendEvent request */ Display *display; /* Display the event was read from */ Window owner; Window requestor; Atom selection; Atom target; Atom property; Time time; } XSelectionRequestEvent; When…
XSelectionEvent – SelectionNotify event structure Structures The structure for SelectionNotify events contains: typedef struct { int type; /* SelectionNotify */ unsigned long serial; /* # of last request processed by server */ Bool send_event; /* true if this came from a SendEvent request */ Display *display; /* Display the event was read from */ Window requestor; Atom selection; Atom target; Atom property; /* atom or None */ Time time; } XSelectionEvent; When…
XSelectionClearEvent – SelectionClear event structure Structures The structure for SelectionClear events contains: typedef struct { int type; /* SelectionClear */ unsigned long serial; /* # of last request processed by server */ Bool send_event; /* true if this came from a SendEvent request */ Display *display; /* Display the event was read from */ Window window; Atom selection; Time time; } XSelectionClearEvent; When you receive this event, the structure…
XSelectInput – select input events Syntax int XSelectInput(Display *display, Window w, long event_mask); Arguments display Specifies the connection to the X server. event_mask Specifies the event mask. w Specifies the window whose events you are interested in. Description The XSelectInput function requests that the X server report the events associated with the specified event mask….