Section 3: library functions
XAllowDeviceEvents – release queued events Synopsis #include <X11/extensions/XInput.h> int XAllowDeviceEvents( Display *display, XDevice *device, int event_mode, Time time); display Specifies the connection to the X server. device Specifies the device from which events are to be allowed. event_mode Specifies the event mode.You can pass AsyncThisDevice, SyncThisDevice, ReplayThisDevice, AsyncOtherDevices, SyncAll, or AsyncAll. time Specifies the time….
XAllocWMHints, XSetWMHints, XGetWMHints, XWMHints – allocate window manager hints structure and set or read a window’s WM_HINTS property Syntax XWMHints *XAllocWMHints(void); int XSetWMHints(Display *display, Window w, XWMHints *wmhints); XWMHints *XGetWMHints(Display *display, Window w); Arguments display Specifies the connection to the X server. w Specifies the window. wmhints Specifies the XWMHints structure to be used. Description…
XAllocStandardColormap, XSetRGBColormaps, XGetRGBColormaps, XStandardColormap – allocate, set, or read a standard colormap structure Syntax XStandardColormap *XAllocStandardColormap(void); void XSetRGBColormaps(Display *display, Window w, XStandardColormap *std_colormap, int count, Atom property); Status XGetRGBColormaps(Display *display, Window w, XStandardColormap **std_colormap_return, int *count_return, Atom property); Arguments display Specifies the connection to the X server. count Specifies the number of colormaps. count_return Returns…
XAllocSizeHints, XSetWMNormalHints, XGetWMNormalHints, XSetWMSizeHints, XGetWMSizeHints, XSizeHints – allocate size hints structure and set or read a window’s WM_NORMAL_HINTS property Syntax XSizeHints *XAllocSizeHints(void); void XSetWMNormalHints(Display *display, Window w, XSizeHints *hints); Status XGetWMNormalHints(Display *display, Window w, XSizeHints *hints_return, long *supplied_return); void XSetWMSizeHints(Display *display, Window w, XSizeHints *hints, Atom property); Status XGetWMSizeHints(Display *display, Window w, XSizeHints *hints_return, long…
XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors Syntax Status XAllocColor(Display *display, Colormap colormap, XColor *screen_in_out); Status XAllocNamedColor(Display *display, Colormap colormap, char *color_name, XColor *screen_def_return, XColor *exact_def_return); Status XAllocColorCells(Display *display, Colormap colormap, Bool contig, unsigned long plane_masks_return[], unsigned int nplanes, unsigned long pixels_return[], unsigned int npixels); Status XAllocColorPlanes(Display *display, Colormap colormap, Bool contig,…
XAllocIconSize, XSetIconSizes, XGetIconSizes, XIconSize – allocate icon size structure and set or read a window’s WM_ICON_SIZES property Syntax XIconSize *XAllocIconSize(void); int XSetIconSizes(Display *display, Window w, XIconSize *size_list, int count); Status XGetIconSizes(Display *display, Window w, XIconSize **size_list_return, int count_return); Arguments display Specifies the connection to the X server. count Specifies the number of items in the…
XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors Syntax Status XAllocColor(Display *display, Colormap colormap, XColor *screen_in_out); Status XAllocNamedColor(Display *display, Colormap colormap, char *color_name, XColor *screen_def_return, XColor *exact_def_return); Status XAllocColorCells(Display *display, Colormap colormap, Bool contig, unsigned long plane_masks_return[], unsigned int nplanes, unsigned long pixels_return[], unsigned int npixels); Status XAllocColorPlanes(Display *display, Colormap colormap, Bool contig,…
XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors Syntax Status XAllocColor(Display *display, Colormap colormap, XColor *screen_in_out); Status XAllocNamedColor(Display *display, Colormap colormap, char *color_name, XColor *screen_def_return, XColor *exact_def_return); Status XAllocColorCells(Display *display, Colormap colormap, Bool contig, unsigned long plane_masks_return[], unsigned int nplanes, unsigned long pixels_return[], unsigned int npixels); Status XAllocColorPlanes(Display *display, Colormap colormap, Bool contig,…
XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors Syntax Status XAllocColor(Display *display, Colormap colormap, XColor *screen_in_out); Status XAllocNamedColor(Display *display, Colormap colormap, char *color_name, XColor *screen_def_return, XColor *exact_def_return); Status XAllocColorCells(Display *display, Colormap colormap, Bool contig, unsigned long plane_masks_return[], unsigned int nplanes, unsigned long pixels_return[], unsigned int npixels); Status XAllocColorPlanes(Display *display, Colormap colormap, Bool contig,…
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…
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…
XInitImage, XCreateImage, XGetPixel, XPutPixel, XSubImage, XAddPixel, XDestroyImage – image utilities Syntax Status XInitImage(XImage *image); XImage *XCreateImage(Display *display, Visual *visual, unsigned int depth, int format, int offset, char *data, unsigned int width, unsigned int height, int bitmap_pad, int bytes_per_line); unsigned long XGetPixel(XImage *ximage, int x, int y); int XPutPixel(XImage *ximage, int x, int y, unsigned long…
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);…
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….
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…
WildMidi_Shutdown – Shutdown the library Library libWildMidi Synopsis #include <wildmidi_lib.h> void WildMidi_Shutdown(void) Description Shuts down the wildmidi library, resetting data and freeing up memory used by the library. Once this is called, the library is no longer initialized and WildMidi_Init(3) will need to be called again. See Also WildMidi_GetString(3), WildMidi_Init(3), WildMidi_MasterVolume(3), WildMidi_Open(3), WildMidi_OpenBuffer(3), WildMidi_SetOption(3), WildMidi_GetOutput(3),…
WildMidi_SetOption – Set a library option for a specific midi Library libWildMidi Synopsis #include <wildmidi_lib.h> int WildMidi_SetOption (midi *handle, unsigned short int options, unsigned short int setting) Description Set a library option for a specific midi. handle The identifier obtained from opening a midi file with WildMidi_Open(3) or WildMidi_OpenBuffer(3) options The option or options you…
WildMidi_OpenBuffer – Open a midi file buffer for processing Library libWildMidi Synopsis #include <wildmidi_lib.h> midi *WildMidi_OpenBuffer (unsigned char *midibuffer, unsigned long int size) Description Open a midi file, that you have buffered in memory, for processing. midibuffer The memory location of the buffered midi file. This buffer needs to be in standard midi file format….
WildMidi_Open – Open a midi file for processing Library libWildMidi Synopsis #include <wildmidi_lib.h> midi *WildMidi_Open (const char *midifile) Description Open a MIDI file pointed to by midifile for processing. This file must be in standard midi format. Return Value Returns NULL on error and sends a message to stderr, otherwise returns a handle for the…