Linux Manuals session 3

XAllowEvents – release queued events Syntaxint XAllowEvents(Display *display, int event_mode, Time time);Argumentsdisplay Specifies the connection to the X server. event_mode Specifies the event mode. You can pass AsyncPointer, SyncPointer, AsyncKeyboard, SyncKeyboard, ReplayPointer, ReplayKeyboard, AsyncBoth, or SyncBoth. time Specifies the time. You can pass either a timestamp or CurrentTime.DescriptionThe XAllowEvents function releases some queued events if…

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. You can pass either a…

XAllocWMHints, XSetWMHints, XGetWMHints, XWMHints – allocate window manager hints structure and set or read a window’s WM_HINTS property SyntaxXWMHints *XAllocWMHints(void); int XSetWMHints(Display *display, Window w, XWMHints *wmhints); XWMHints *XGetWMHints(Display *display, Window w);Argumentsdisplay Specifies the connection to the X server. w Specifies the window. wmhints Specifies the XWMHints structure to be used.DescriptionThe XAllocWMHints function allocates and…

XAllocStandardColormap, XSetRGBColormaps, XGetRGBColormaps, XStandardColormap – allocate, set, or read a standard colormap structure SyntaxXStandardColormap *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);Argumentsdisplay Specifies the connection to the X server. count Specifies the number of colormaps. count_return Returns the number of…

XAllocSizeHints, XSetWMNormalHints, XGetWMNormalHints, XSetWMSizeHints, XGetWMSizeHints, XSizeHints – allocate size hints structure and set or read a window’s WM_NORMAL_HINTS property SyntaxXSizeHints *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 *supplied_return,…

XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors SyntaxStatus 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, unsigned…

XAllocIconSize, XSetIconSizes, XGetIconSizes, XIconSize – allocate icon size structure and set or read a window’s WM_ICON_SIZES property SyntaxXIconSize *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); Argumentsdisplay Specifies the connection to the X server. count Specifies the number of items in the size list….

XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors SyntaxStatus 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, unsigned…

XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors SyntaxStatus 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, unsigned…

XAllocColor, XAllocNamedColor, XAllocColorCells, XAllocColorPlanes, XFreeColors – allocate and free colors SyntaxStatus 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, unsigned…

XAllocClassHint, XSetClassHint, XGetClassHint, XClassHint – allocate class hints structure and set or read a window’s WM_CLASS property SyntaxXClassHint *XAllocClassHint(void); XSetClassHint(Display *display, Window w, XClassHint *class_hints); Status XGetClassHint(Display *display, Window w, XClassHint *class_hints_return);Argumentsdisplay Specifies the connection to the X server. class_hints Specifies the XClassHint structure that is to be used. class_hints_return Returns the XClassHint structure. w…

XChangeSaveSet, XAddToSaveSet, XRemoveFromSaveSet – change a client’s save set Syntaxint XChangeSaveSet(Display *display, Window w, int change_mode); int XAddToSaveSet(Display *display, Window w); int XRemoveFromSaveSet(Display *display, Window w);Argumentschange_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 or delete from…

XInitImage, XCreateImage, XGetPixel, XPutPixel, XSubImage, XAddPixel, XDestroyImage – image utilities SyntaxStatus 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 pixel);…

XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemoveHosts, XSetAccessControl, XEnableAccessControl, XDisableAccessControl, XHostAddress, XServerInterpretedAddress – control host access and host control structure Syntaxint 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); int…

XAddHost, XAddHosts, XListHosts, XRemoveHost, XRemoveHosts, XSetAccessControl, XEnableAccessControl, XDisableAccessControl, XHostAddress, XServerInterpretedAddress – control host access and host control structure Syntaxint 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); int…

XAddConnectionWatch, XRemoveConnectionWatch, XProcessInternalConnection, XInternalConnectionNumbers – handle Xlib internal connections Syntaxtypedef 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);Argumentsclient_data Specifies the additional client data. count_return Returns the…

XSetScreenSaver, XForceScreenSaver, XActivateScreenSaver, XResetScreenSaver, XGetScreenSaver – manipulate the screen saver Syntaxint 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);Argumentsallow_exposures Specifies the screen save control values. You can pass DontAllowExposures, AllowExposures, or…

WildMidi_Shutdown – Shutdown the library LibrarylibWildMidi Synopsis#include <wildmidi_lib.h> void WildMidi_Shutdown(void) DescriptionShuts 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 AlsoWildMidi_GetString(3), WildMidi_Init(3), WildMidi_MasterVolume(3), WildMidi_Open(3), WildMidi_OpenBuffer(3), WildMidi_SetOption(3), WildMidi_GetOutput(3), WildMidi_GetInfo(3), WildMidi_FastSeek(3), WildMidi_Close(3), wildmidi.cfg(5)…

WildMidi_SetOption – Set a library option for a specific midi LibrarylibWildMidi Synopsis#include <wildmidi_lib.h> int WildMidi_SetOption (midi *handle, unsigned short int options, unsigned short int setting) DescriptionSet 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 wish to change….

WildMidi_OpenBuffer – Open a midi file buffer for processing LibrarylibWildMidi Synopsis#include <wildmidi_lib.h> midi *WildMidi_OpenBuffer (unsigned char *midibuffer, unsigned long int size) DescriptionOpen 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. Once this function…