SysTutorials Posts

XGrabPointer, XUngrabPointer, XChangeActivePointerGrab – grab the pointer Syntax int 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); Arguments confine_to Specifies the window to confine the pointer in or None….

XGrabKeyboard, XUngrabKeyboard – grab the keyboard Syntax int XGrabKeyboard(Display *display, Window grab_window, Bool owner_events, int pointer_mode, int keyboard_mode, Time time); int XUngrabKeyboard(Display *display, Time time); Arguments display Specifies the connection to the X server. grab_window Specifies the grab window. keyboard_mode Specifies further processing of keyboard events. You can pass GrabModeSync or GrabModeAsync. owner_events Specifies a…

XGrabKey, XUngrabKey – grab keyboard keys Syntax int XGrabKey(Display *display, int keycode, unsigned int modifiers, Window grab_window, Bool owner_events, int pointer_mode, int keyboard_mode); int XUngrabKey(Display *display, int keycode, unsigned int modifiers, Window grab_window); Arguments display Specifies the connection to the X server. grab_window Specifies the grab window. keyboard_mode Specifies further processing of keyboard events. You…

XGrabDeviceKey, XUngrabDeviceKey – grab/ungrab extension input device Keys Synopsis #include <X11/extensions/XInput.h> int XGrabDeviceKey( Display *display, XDevice *device, unsigned int key, unsigned int modifiers, XDevice *modifier_device, Window grab_window, Bool owner_events, unsigned int event_count, XEventClass *event_list, int this_device_mode, int other_devices_mode); int XUngrabDeviceKey( Display *display, XDevice *device, unsigned int key, unsigned int modifiers, XDevice *modifier_device, Window grab_window); display…

XGrabDeviceButton, XUngrabDeviceButton – grab/ungrab extension input device buttons Synopsis #include <X11/extensions/XInput.h> int XGrabDeviceButton( Display *display, XDevice *device, unsigned int button, unsigned int modifiers, XDevice* modifier_device, Window grab_window, Bool owner_events, unsigned int event_count, XEventClass *event_list, int this_device_mode, int other_devices_mode); int XUngrabDeviceButton( Display *display, XDevice *device, unsigned int button, unsigned int modifiers, XDevice* modifier_device, Window grab_window); display…

XGrabDevice, XUngrabDevice – grab/release the specified extension device Synopsis #include <X11/extensions/XInput.h> int XGrabDevice( Display *display, XDevice* device, Window grab_window, Bool owner_events, int event_count, XEventClass *event_list, int this_device_mode, int other_devices_mode, Time time); int XUngrabDevice( Display *display, XDevice *device, Time time); display Specifies the connection to the X server. device Specifies the device to be grabbed or…

XGrabButton, XUngrabButton – grab pointer buttons Syntax int XGrabButton(Display *display, unsigned int button, unsigned int modifiers, Window grab_window, Bool owner_events, unsigned int event_mask, int pointer_mode, keyboard_mode, Window confine_to, Cursor cursor); int XUngrabButton(Display *display, unsigned int button, unsigned int modifiers, Window grab_window); Arguments button Specifies the pointer button that is to be grabbed or released or…

XGetXCBConnection – get the XCB connection for an Xlib Display Syntax  #include <X11/Xlib-xcb.h> xcb_connection_t *XGetXCBConnection(Display *dpy); Arguments dpy Specifies the connection to the X server. Description The XGetXCBConnection function returns the XCB connection associated with an Xlib Display. Clients can use this XCB connection with functions from the XCB library, just as they would with an…

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…

XGetWindowAttributes, XGetGeometry, XWindowAttributes – get current window attribute or geometry and current window attributes structure Syntax Status XGetWindowAttributes(Display *display, Window w, XWindowAttributes *window_attributes_return); Status XGetGeometry(Display *display, Drawable d, Window *root_return, int *x_return, int *y_return, unsigned int *width_return, unsigned int *height_return, unsigned int *border_width_return, unsigned int *depth_return); Arguments border_width_return Returns the border width in pixels. d…

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…

XSetWMProtocols, XGetWMProtocols – set or read a window’s WM_PROTOCOLS property Syntax Status XSetWMProtocols(Display *display, Window w, Atom *protocols, int count); Status XGetWMProtocols(Display *display, Window w, Atom **protocols_return, int *count_return); Arguments display Specifies the connection to the X server. count Specifies the number of protocols in the list. count_return Returns the number of protocols in the…

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…

XSetWMName, XGetWMName, XStoreName, XFetchName – set or read a window’s WM_NAME property Syntax void XSetWMName(Display *display, Window w, XTextProperty *text_prop); Status XGetWMName(Display *display, Window w, XTextProperty *text_prop_return); int XStoreName(Display *display, Window w, char *window_name); Status XFetchName(Display *display, Window w, char **window_name_return); Arguments display Specifies the connection to the X server. text_prop Specifies the XTextProperty structure…

XSetWMIconName, XGetWMIconName, XSetIconName, XGetIconName – set or read a window’s WM_ICON_NAME property Syntax void XSetWMIconName(Display *display, Window w, XTextProperty *text_prop); Status XGetWMIconName(Display *display, Window w, XTextProperty *text_prop_return); int XSetIconName(Display *display, Window w, char *icon_name); Status XGetIconName(Display *display, Window w, char **icon_name_return); Arguments display Specifies the connection to the X server. icon_name Specifies the icon name,…

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…

XSetWMColormapWindows, XGetWMColormapWindows – set or read a window’s WM_COLORMAP_WINDOWS property Syntax Status XSetWMColormapWindows(Display *display, Window w, Window *colormap_windows, int count); Status XGetWMColormapWindows(Display *display, Window w, Window **colormap_windows_return, int *count_return); Arguments display Specifies the connection to the X server. colormap_windows Specifies the list of windows. colormap_windows_return Returns the list of windows. count Specifies the number of…

XSetWMClientMachine, XGetWMClientMachine – set or read a window’s WM_CLIENT_MACHINE property Syntax void XSetWMClientMachine(Display *display, Window w, XTextProperty *text_prop); Status XGetWMClientMachine(Display *display, Window w, XTextProperty *text_prop_return); Arguments display Specifies the connection to the X server. text_prop Specifies the XTextProperty structure to be used. text_prop_return Returns the XTextProperty structure. w Specifies the window. Description The XSetWMClientMachine convenience…

XGetVisualInfo, XMatchVisualInfo, XVisualIDFromVisual, XVisualInfo – obtain visual information and visual structure Syntax XVisualInfo *XGetVisualInfo(Display *display, long vinfo_mask, XVisualInfo *vinfo_template, int *nitems_return); Status XMatchVisualInfo(Display *display, int screen, int depth, int class, XVisualInfo *vinfo_return); VisualID XVisualIDFromVisual(Visual *visual); Arguments class Specifies the class of the screen. depth Specifies the depth of the screen. display Specifies the connection to…

XSetTransientForHint, XGetTransientForHint – set or read a window’s WM_TRANSIENT_FOR property Syntax int XSetTransientForHint(Display *display, Window w, Window prop_window); Status XGetTransientForHint(Display *display, Window w, Window *prop_window_return); Arguments display Specifies the connection to the X server. w Specifies the window. prop_window Specifies the window that the WM_TRANSIENT_FOR property is to be set to. prop_window_return Returns the WM_TRANSIENT_FOR…