Linux Manuals session 3

XGetWindowAttributes, XGetGeometry, XWindowAttributes – get current window attribute or geometry and current window attributes structure SyntaxStatus 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);Argumentsborder_width_return Returns the border width in pixels. d Specifies the drawable,…

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,…

XSetWMProtocols, XGetWMProtocols – set or read a window’s WM_PROTOCOLS property SyntaxStatus XSetWMProtocols(Display *display, Window w, Atom *protocols, int count); Status XGetWMProtocols(Display *display, Window w, Atom **protocols_return, int *count_return);Argumentsdisplay 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 list. protocols Specifies…

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,…

XSetWMName, XGetWMName, XStoreName, XFetchName – set or read a window’s WM_NAME property Syntaxvoid 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);Argumentsdisplay Specifies the connection to the X server. text_prop Specifies the XTextProperty structure to be used….

XSetWMIconName, XGetWMIconName, XSetIconName, XGetIconName – set or read a window’s WM_ICON_NAME property Syntaxvoid 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);Argumentsdisplay Specifies the connection to the X server. icon_name Specifies the icon name, which should be…

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…

XSetWMColormapWindows, XGetWMColormapWindows – set or read a window’s WM_COLORMAP_WINDOWS property SyntaxStatus XSetWMColormapWindows(Display *display, Window w, Window *colormap_windows, int count); Status XGetWMColormapWindows(Display *display, Window w, Window **colormap_windows_return, int *count_return);Argumentsdisplay 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 windows in the…

XSetWMClientMachine, XGetWMClientMachine – set or read a window’s WM_CLIENT_MACHINE property Syntaxvoid XSetWMClientMachine(Display *display, Window w, XTextProperty *text_prop); Status XGetWMClientMachine(Display *display, Window w, XTextProperty *text_prop_return);Argumentsdisplay 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.DescriptionThe XSetWMClientMachine convenience function calls XSetTextProperty to set…

XGetVisualInfo, XMatchVisualInfo, XVisualIDFromVisual, XVisualInfo – obtain visual information and visual structure SyntaxXVisualInfo *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);Argumentsclass Specifies the class of the screen. depth Specifies the depth of the screen. display Specifies the connection to the X server….

XSetTransientForHint, XGetTransientForHint – set or read a window’s WM_TRANSIENT_FOR property Syntaxint XSetTransientForHint(Display *display, Window w, Window prop_window); Status XGetTransientForHint(Display *display, Window w, Window *prop_window_return);Argumentsdisplay 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 property of the…

XSetTextProperty, XGetTextProperty – set and read text properties Syntaxvoid XSetTextProperty(Display *display, Window w, XTextProperty *text_prop, Atom property); Status XGetTextProperty(Display *display, Window w, XTextProperty *text_prop_return, Atom property);Argumentsdisplay Specifies the connection to the X server. property Specifies the property name. text_prop Specifies the XTextProperty structure to be used. text_prop_return Returns the XTextProperty structure.DescriptionThe XSetTextProperty function replaces the…

XPutImage, XGetImage, XGetSubImage – transfer images Syntaxint XPutImage(Display *display, Drawable d, GC gc, XImage *image, int src_x, int src_y, int dest_x, int dest_y, unsigned int width, unsigned int height); XImage *XGetImage(Display *display, Drawable d, int x, int y, unsigned int width, unsigned int height, unsigned long plane_mask, int format); XImage *XGetSubImage(Display *display, Drawable d, int…

XSetSelectionOwner, XGetSelectionOwner, XConvertSelection – manipulate window selection Syntaxint XSetSelectionOwner(Display *display, Atom selection, Window owner, Time time); Window XGetSelectionOwner(Display *display, Atom selection); int XConvertSelection(Display *display, Atom selection, Atom target, Atom property, Window requestor, Time time);Argumentsdisplay Specifies the connection to the X server. owner Specifies the owner of the specified selection atom. You can pass a window…

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 interested in.event_list Specifies the list…

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…

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…

XSetPointerMapping, XGetPointerMapping – manipulate pointer settings Syntaxint XSetPointerMapping(Display *display, unsigned char map[], int nmap); int XGetPointerMapping(Display *display, unsigned char map_return[], int nmap);Argumentsdisplay Specifies the connection to the X server. map Specifies the mapping list. map_return Returns the mapping list. nmap Specifies the number of items in the mapping list.DescriptionThe XSetPointerMapping function sets the mapping of…

XChangePointerControl, XGetPointerControl – control pointer Syntaxint XChangePointerControl(Display *display, Bool do_accel, Bool do_threshold, int accel_numerator, int accel_denominator, int threshold); int XGetPointerControl(Display *display, int *accel_numerator_return, int *accel_denominator_return, int *threshold_return);Argumentsaccel_denominator Specifies the denominator for the acceleration multiplier. accel_denominator_return Returns the denominator for the acceleration multiplier. accel_numerator Specifies the numerator for the acceleration multiplier. accel_numerator_return Returns the numerator for…

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);…