Linux Manuals session 3

XConfigureWindow, XMoveWindow, XResizeWindow, XMoveResizeWindow, XSetWindowBorderWidth, XWindowChanges – configure windows and window changes structure Syntax int XConfigureWindow(Display *display, Window w, unsigned value_mask, XWindowChanges *changes); int XMoveWindow(Display *display, Window w, int x, y); int XResizeWindow(Display *display, Window w, unsigned width, unsigned height); int XMoveResizeWindow(Display *display, Window w, int x, int y, unsigned width, unsigned height); int XSetWindowBorderWidth(Display…

XResizeRequestEvent – ResizeRequest event structure Structures The structure for ResizeRequest events contains: typedef struct {         int type;       /* ResizeRequest */         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;         int width, height; } XResizeRequestEvent; When you receive this event, the structure members…

XSetScreenSaver, XForceScreenSaver, XActivateScreenSaver, XResetScreenSaver, XGetScreenSaver – manipulate the screen saver Syntax int XSetScreenSaver(Display *display, int timeout, int interval, int prefer_blanking, int allow_exposures); int XForceScreenSaver(Display *display, int mode); int XActivateScreenSaver(Display *display); int XResetScreenSaver(Display *display); int XGetScreenSaver(Display *display, int *timeout_return, int *interval_return, int *prefer_blanking_return, int *allow_exposures_return); Arguments allow_exposures Specifies the screen save control values. You can pass…

XRes – X-Resource extension client library Synopsis #include <X11/extensions/XRes.h> typedef struct { XID resource_base; XID resource_mask; } XResClient; typedef struct { Atom resource_type; unsigned int count; } XResType; Bool XResQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XResQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); Status XResQueryClients(Display *dpy, int *num_clients, XResClient **clients); Status XResQueryClientResources(Display *dpy, XID xid, int…

XRes – X-Resource extension client library Synopsis #include <X11/extensions/XRes.h> typedef struct { XID resource_base; XID resource_mask; } XResClient; typedef struct { Atom resource_type; unsigned int count; } XResType; Bool XResQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XResQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); Status XResQueryClients(Display *dpy, int *num_clients, XResClient **clients); Status XResQueryClientResources(Display *dpy, XID xid, int…

XRes – X-Resource extension client library Synopsis #include <X11/extensions/XRes.h> typedef struct { XID resource_base; XID resource_mask; } XResClient; typedef struct { Atom resource_type; unsigned int count; } XResType; Bool XResQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XResQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); Status XResQueryClients(Display *dpy, int *num_clients, XResClient **clients); Status XResQueryClientResources(Display *dpy, XID xid, int…

XRes – X-Resource extension client library Synopsis #include <X11/extensions/XRes.h> typedef struct { XID resource_base; XID resource_mask; } XResClient; typedef struct { Atom resource_type; unsigned int count; } XResType; Bool XResQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XResQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); Status XResQueryClients(Display *dpy, int *num_clients, XResClient **clients); Status XResQueryClientResources(Display *dpy, XID xid, int…

XRes – X-Resource extension client library Synopsis #include <X11/extensions/XRes.h> typedef struct { XID resource_base; XID resource_mask; } XResClient; typedef struct { Atom resource_type; unsigned int count; } XResType; Bool XResQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XResQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); Status XResQueryClients(Display *dpy, int *num_clients, XResClient **clients); Status XResQueryClientResources(Display *dpy, XID xid, int…

XRes – X-Resource extension client library Synopsis #include <X11/extensions/XRes.h> typedef struct { XID resource_base; XID resource_mask; } XResClient; typedef struct { Atom resource_type; unsigned int count; } XResType; Bool XResQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XResQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); Status XResQueryClients(Display *dpy, int *num_clients, XResClient **clients); Status XResQueryClientResources(Display *dpy, XID xid, int…

XReparentWindow – reparent windows Syntax int XReparentWindow(Display *display, Window w, Window parent, int x, int y); Arguments display Specifies the connection to the X server. parent Specifies the parent window. w Specifies the window. x y Specify the x and y coordinates of the position in the new parent window. Description If the specified window…

XReparentEvent – ReparentNotify event structure Structures The structure for ReparentNotify events contains: typedef struct {         int type;       /* ReparentNotify */         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 event;         Window window;         Window parent;         int x, y;         Bool override_redirect; } XReparentEvent; When you…

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);…

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);…

XChangeSaveSet, XAddToSaveSet, XRemoveFromSaveSet – change a client’s save set Syntax int XChangeSaveSet(Display *display, Window w, int change_mode); int XAddToSaveSet(Display *display, Window w); int XRemoveFromSaveSet(Display *display, Window w); Arguments change_mode Specifies the mode. You can pass SetModeInsert or SetModeDelete. display Specifies the connection to the X server. w Specifies the window that you want to add…

XAddConnectionWatch, XRemoveConnectionWatch, XProcessInternalConnection, XInternalConnectionNumbers – handle Xlib internal connections Syntax typedef void (*XConnectionWatchProc)(Display *display, XPointer client_data, int fd, Bool opening, XPointer *watch_data); Status XAddConnectionWatch(Display *display, XWatchProc procedure, XPointer client_data); Status XRemoveConnectionWatch(Display *display, XWatchProc procedure, XPointer client_data); void XProcessInternalConnection(Display *display, int fd); Status XInternalConnectionNumbers(Display *display, int **fd_return, int *count_return); Arguments client_data Specifies the additional client data….

XOpenIM, XCloseIM, XSetIMValues, XGetIMValues, XDisplayOfIM, XLocaleOfIM, XRegisterIMInstantiateCallback, XUnregisterIMInstantiateCallback – open, close, and obtain input method information Syntax XIM XOpenIM(Display *display, XrmDatabase db, char *res_name, char *res_class); Status XCloseIM(XIM im); char *XSetIMValues(XIM im, …); char *XGetIMValues(XIM im, …); Display *XDisplayOfIM(XIM im); char *XLocaleOfIM(XIM im); Bool XRegisterIMInstantiateCallback(Display *display, XrmDatabase db, char *res_name, char *res_class, XIDProc callback, XPointer…

XLookupKeysym, XRefreshKeyboardMapping, XLookupString, XRebindKeysym – handle keyboard input events in Latin-1 Syntax KeySym XLookupKeysym(XKeyEvent *key_event, int index); int XRefreshKeyboardMapping(XMappingEvent *event_map); int XLookupString(XKeyEvent *event_struct, char *buffer_return, int bytes_buffer, KeySym *keysym_return, XComposeStatus *status_in_out); int XRebindKeysym(Display *display, KeySym keysym, KeySym list[], int mod_count, unsigned char *string, int num_bytes); Arguments buffer_return Returns the translated characters. bytes_buffer Specifies the length…

XDrawRectangle, XDrawRectangles, XRectangle – draw rectangles and rectangles structure Syntax int XDrawRectangle(Display *display, Drawable d, GC gc, int x, int y, unsigned int width, unsigned int height); int XDrawRectangles(Display *display, Drawable d, GC gc, XRectangle rectangles[], int nrectangles); Arguments d Specifies the drawable. display Specifies the connection to the X server. gc Specifies the GC….

XEmptyRegion, XEqualRegion, XPointInRegion, XRectInRegion – determine if regions are empty or equal Syntax Bool XEmptyRegion(Region r); Bool XEqualRegion(Region r1, Region r2); Bool XPointInRegion(Region r, int x, int y); int XRectInRegion(Region r, int x, int y, unsigned int width, unsigned int height); Arguments r Specifies the region. r1 r2 Specify the two regions. width height Specify…

XIconifyWindow, XWithdrawWindow, XReconfigureWMWindow – manipulate top-level windows Syntax Status XIconifyWindow(Display *display, Window w, int screen_number); Status XWithdrawWindow(Display *display, Window w, int screen_number); Status XReconfigureWMWindow(Display *display, Window w, int screen_number, unsigned int value_mask, XWindowChanges *values); Arguments display Specifies the connection to the X server. screen_number Specifies the appropriate screen number on the host server. value_mask Specifies…