Linux Manuals session 3

XGetDeviceProperty, XChangeDeviceProperty, XDeleteDeviceProperty – Get, change or delete a device’s property. Synopsis#include <X11/extensions/XInput.h>int XGetDeviceProperty( Display *display, XDevice *device, Atom property, long offset, 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)void XChangeDeviceProperty( Display *display, XDevice *device, Atom property, Atom type, int format, int mode, const…

XGetDeviceKeyMapping, XChangeDeviceKeyMapping – query or change device key mappings Synopsis#include <X11/extensions/XInput.h>KeySym *XGetDeviceKeyMapping( Display *display, XDevice *device, KeyCode first_keycode, int keycode_count, int *keysyms_per_keycode_return); display Specifies the connection to the X server.device Specifies the device whose key mapping is to be queried or modified.first_keycode Specifies the first KeyCode to be returned.keycode_count Specifies the number of KeyCodes to…

XChangeDeviceDontPropagateList, XGetDeviceDontPropagateList – query or change the dont-propagate-list for extension devices Synopsis#include <X11/extensions/XInput.h>int XChangeDeviceDontPropagateList( Display *display, Window window, int count, XEventClass *event_list, int mode);XEventClass* XGetDeviceDontPropagateList( Display *display, Window window, int *count);display Specifies the connection to the X server.window Specifies the window whose dont-propagate-list is to be queried or modified.event_list Specifies a pointer to a list…

XGetDeviceControl, XChangeDeviceControl – query and change input device controls Synopsis#include <X11/extensions/XInput.h>XDeviceControl *XGetDeviceControl( Display *display, XDevice *device, int *controlType);int XChangeDeviceControl( Display *display, XDevice *device, int controlType, XDeviceControl *control);display Specifies the connection to the X server.device Specifies the device whose control is to be interrogated or modified.controlType Specifies the type of control to be interrogated or changed.control…

XGrabPointer, XUngrabPointer, XChangeActivePointerGrab – grab the pointer Syntaxint XGrabPointer(Display *display, Window grab_window, Bool owner_events, unsigned int event_mask, int pointer_mode, int keyboard_mode, Window confine_to, Cursor cursor, Time time); int XUngrabPointer(Display *display, Time time); int XChangeActivePointerGrab(Display *display, unsigned int event_mask, Cursor cursor, Time time);Argumentsconfine_to Specifies the window to confine the pointer in or None. cursor Specifies the…

XButtonEvent, XKeyEvent, XMotionEvent – KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures StructuresThe structures for KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify events contain: typedef struct {         int type;       /* ButtonPress or ButtonRelease */         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;  /* “event” window…

XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntaxint XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]);Argumentsdisplay Specifies the connection to the X server. keys_return Returns an array…

XFontsOfFontSet, XBaseFontNameListOfFontSet, XLocaleOfFontSet, XContextDependentDrawing, XContextualDrawing, XDirectionalDependentDrawing – obtain fontset information Syntaxint XFontsOfFontSet(XFontSet font_set, XFontStruct ***font_struct_list_return, char ***font_name_list_return); char *XBaseFontNameListOfFontSet(XFontSet font_set); char *XLocaleOfFontSet(XFontSet font_set); Bool XContextDependentDrawing(XFontSet font_set); Bool XContextualDrawing(XFontSet font_set); Bool XDirectionalDependentDrawing(XFontSet font_set);Argumentsfont_set Specifies the font set. font_name_list_return Returns the list of font names. font_struct_list_return Returns the list of font structs.DescriptionThe XFontsOfFontSet function returns a list…

XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntaxint XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]);Argumentsdisplay Specifies the connection to the X server. keys_return Returns an array…

XChangeKeyboardControl, XGetKeyboardControl, XAutoRepeatOn, XAutoRepeatOff, XBell, XQueryKeymap, XKeyboardControl – manipulate keyboard settings and keyboard control structure Syntaxint XChangeKeyboardControl(Display *display, unsigned long value_mask, XKeyboardControl *values); int XGetKeyboardControl(Display *display, XKeyboardState *values_return); int XAutoRepeatOn(Display *display); int XAutoRepeatOff(Display *display); int XBell(Display *display, int percent); int XQueryKeymap(Display *display, char keys_return[32]);Argumentsdisplay Specifies the connection to the X server. keys_return Returns an array…

XDrawArc, XDrawArcs, XArc – draw arcs and arc structure Syntaxint XDrawArc(Display *display, Drawable d, GC gc, int x, int y, unsigned int width, unsigned int height, int angle1, int angle2); int XDrawArcs(Display *display, Drawable d, GC gc, XArc *arcs, int narcs);Argumentsangle1 Specifies the start of the arc relative to the three-o’clock position from the center,…

XAnyEvent, XEvent – generic X event structures StructuresAll the event structures declared in have the following common members: typedef struct {         int type;         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; } XAnyEvent; The type member is set…

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…