Linux Manuals session 3

XSelectExtensionEvent, XGetSelectedExtensionEvents – select extension events, get the list of currently selected extension events Synopsis #include <X11/extensions/XInput.h> XSelectExtensionEvent( Display *display, Window w, XEventClass *event_list, int event_count); XGetSelectedExtensionEvents( Display *display, Window w, int *this_client_event_count_return, XEventClass **this_client_event_list_return, int *all_clients_event_count_return, XEventClass **all_clients_event_list_return); display Specifies the connection to the X server. w Specifies the window whose events you are…

XDrawLine, XDrawLines, XDrawSegments, XSegment – draw lines, polygons, and line structure Syntax int XDrawLine(Display *display, Drawable d, GC gc, int x1, int y1, int x2, int y2); int XDrawLines(Display *display, Drawable d, GC gc, XPoint *points, int npoints, int mode); int XDrawSegments(Display *display, Drawable d, GC gc, XSegment *segments, int nsegments); Arguments d Specifies the…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XScreenSaver – X11 Screen Saver extension client library Synopsis #include <X11/extensions/scrnsaver.h> typedef struct { Window window; /* screen saver window */ int state; /* ScreenSaver{Off,On,Disabled} */ int kind; /* ScreenSaver{Blanked,Internal,External} */ unsigned long til_or_since; /* milliseconds */ unsigned long idle; /* milliseconds */ unsigned long eventMask; /* events */ } XScreenSaverInfo; typedef struct { int…

XResourceManagerString, XScreenResourceString – obtain server resource properties Syntax char *XResourceManagerString(Display *display); char *XScreenResourceString(Screen *screen); Arguments display Specifies the connection to the X server. screen Specifies the screen. Description The XResourceManagerString function returns the RESOURCE_MANAGER property from the server’s root window of screen zero, which was returned when the connection was opened using XOpenDisplay. The property…

BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen – screen information functions and macros Syntax unsigned long BlackPixelOfScreen(Screen *screen); unsigned long WhitePixelOfScreen(Screen *screen); int CellsOfScreen(Screen *screen); Colormap DefaultColormapOfScreen(Screen *screen); int DefaultDepthOfScreen(Screen *screen); GC DefaultGCOfScreen(Screen *screen); Visual *DefaultVisualOfScreen(Screen *screen); int DoesBackingStore(Screen *screen); Bool DoesSaveUnders(Screen…

XSaveContext, XFindContext, XDeleteContext, XUniqueContext – associative look-up routines Syntax int XSaveContext(Display *display, XID rid, XContext context, XPointer data); int XFindContext(Display *display, XID rid, XContext context, XPointer *data_return); int XDeleteContext(Display *display, XID rid, XContext context); XContext XUniqueContext(void); Arguments context Specifies the context type to which the data belongs. data Specifies the data to be associated with…

XGetWindowProperty, XListProperties, XChangeProperty, XRotateWindowProperties, XDeleteProperty – obtain and change window properties Syntax int XGetWindowProperty(Display *display, Window w, Atom property, long long_offset, long long_length, Bool delete, Atom req_type, Atom *actual_type_return, int *actual_format_return, unsigned long *nitems_return, unsigned long *bytes_after_return, unsigned char **prop_return); Atom *XListProperties(Display *display, Window w, int *num_prop_return); int XChangeProperty(Display *display, Window w, Atom property, Atom…

XStoreBytes, XStoreBuffer, XFetchBytes, XFetchBuffer, XRotateBuffers – manipulate cut and paste buffers Syntax int XStoreBytes(Display *display, char *bytes, int nbytes); int XStoreBuffer(Display *display, char *bytes, int nbytes, int buffer); char *XFetchBytes(Display *display, int *nbytes_return); char *XFetchBuffer(Display *display, int *nbytes_return, int buffer); int XRotateBuffers(Display *display, int rotate); Arguments buffer Specifies the buffer in which you want to…

XRaiseWindow, XLowerWindow, XCirculateSubwindows, XCirculateSubwindowsUp, XCirculateSubwindowsDown, XRestackWindows – change window stacking order Syntax int XRaiseWindow(Display *display, Window w); int XLowerWindow(Display *display, Window w); int XCirculateSubwindows(Display *display, Window w, int direction); int XCirculateSubwindowsUp(Display *display, Window w); int XCirculateSubwindowsDown(Display *display, Window w); int XRestackWindows(Display *display, Window windows[], int nwindows); Arguments direction Specifies the direction (up or down) that…

XResourceManagerString, XScreenResourceString – obtain server resource properties Syntax char *XResourceManagerString(Display *display); char *XScreenResourceString(Screen *screen); Arguments display Specifies the connection to the X server. screen Specifies the screen. Description The XResourceManagerString function returns the RESOURCE_MANAGER property from the server’s root window of screen zero, which was returned when the connection was opened using XOpenDisplay. The property…