Section 3: library functions
XDestroyWindow, XDestroySubwindows – destroy windows Syntaxint XDestroyWindow(Display *display, Window w); int XDestroySubwindows(Display *display, Window w);Argumentsdisplay Specifies the connection to the X server. w Specifies the window.DescriptionThe XDestroyWindow function destroys the specified window as well as all of its subwindows and causes the X server to generate a DestroyNotify event for each window. The window should…
XDestroyWindow, XDestroySubwindows – destroy windows Syntaxint XDestroyWindow(Display *display, Window w); int XDestroySubwindows(Display *display, Window w);Argumentsdisplay Specifies the connection to the X server. w Specifies the window.DescriptionThe XDestroyWindow function destroys the specified window as well as all of its subwindows and causes the X server to generate a DestroyNotify event for each window. The window should…
XCreateRegion, XSetRegion, XDestroyRegion – create or destroy regions SyntaxRegion XCreateRegion(void); int XSetRegion(Display *display, GC gc, Region r); int XDestroyRegion(Region r);Argumentsdisplay Specifies the connection to the X server. gc Specifies the GC. r Specifies the region.DescriptionThe XCreateRegion function creates a new empty region. The XSetRegion function sets the clip-mask in the GC to the specified region….
XCreateOC, XDestroyOC, XSetOCValues, XGetOCValues, XOMOfOC – create output contexts SyntaxXOC XCreateOC(XOM om); void XDestroyOC(XOC oc); char * XSetOCValues(XOC oc, …); char * XGetOCValues(XOC oc, …); XOM XOMOfOC(XOC oc);Argumentsoc Specifies the output context. om Specifies the output method. … Specifies the variable length argument list to set or get XOC values.DescriptionThe XCreateOC function creates an output…
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);…
XCreateIC, XDestroyIC, XIMOfIC – create, destroy, and obtain the input method of an input context SyntaxXIC XCreateIC(XIM im, …); void XDestroyIC(XIC ic); XIM XIMOfIC(XIC ic);Argumentsic Specifies the input context. im Specifies the input method. … Specifies the variable length argument list to set XIC values.DescriptionThe XCreateIC function creates a context within the specified input method….
XGetWindowProperty, XListProperties, XChangeProperty, XRotateWindowProperties, XDeleteProperty – obtain and change window properties Syntaxint 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 type,…
XChangeKeyboardMapping, XGetKeyboardMapping, XDisplayKeycodes, XSetModifierMapping, XGetModifierMapping, XNewModifiermap, XInsertModifiermapEntry, XDeleteModifiermapEntry, XFreeModifiermap, XModifierKeymap – manipulate keyboard encoding and keyboard encoding structure Syntaxint XChangeKeyboardMapping(Display *display, int first_keycode, int keysyms_per_keycode, KeySym *keysyms, int num_codes); KeySym *XGetKeyboardMapping(Display *display, KeyCode first_keycode, int keycode_count, int *keysyms_per_keycode_return); int XDisplayKeycodes(Display *display, int *min_keycodes_return, int *max_keycodes_return); int XSetModifierMapping(Display *display, XModifierKeymap *modmap); XModifierKeymap *XGetModifierMapping(Display *display); XModifierKeymap *XNewModifiermap(int…
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…
XSaveContext, XFindContext, XDeleteContext, XUniqueContext – associative look-up routines Syntaxint XSaveContext(Display *display, XID rid, XContext context, XPointer data); int XFindContext(Display *display, XID rid, XContext context, XPointer *data_return); int XDeleteContext(Display *display, XID rid, XContext context); XContext XUniqueContext(void); Argumentscontext Specifies the context type to which the data belongs. data Specifies the data to be associated with the window…
XDefineCursor, XUndefineCursor – define cursors Syntaxint XDefineCursor(Display *display, Window w, Cursor cursor); int XUndefineCursor(Display *display, Window w);Argumentscursor Specifies the cursor that is to be displayed or None. display Specifies the connection to the X server. w Specifies the window.DescriptionIf a cursor is set, it will be used when the pointer is in the window. If…
XmbTextListToTextProperty, XwcTextListToTextProperty, Xutf8TextListToTextProperty, XmbTextPropertyToTextList, XwcTextPropertyToTextList, Xutf8TextPropertyToTextList, XwcFreeStringList, XDefaultString – convert text lists and text property structures Syntaxint XmbTextListToTextProperty(Display *display, char **list, int count, XICCEncodingStyle style, XTextProperty *text_prop_return); int XwcTextListToTextProperty(Display *display, wchar_t **list, int count, XICCEncodingStyle style, XTextProperty *text_prop_return); int Xutf8TextListToTextProperty(Display *display, char **list, int count, XICCEncodingStyle style, XTextProperty *text_prop_return); int XmbTextPropertyToTextList(Display *display, XTextProperty *text_prop, char…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…
XDGA – Client library for the XFree86-DGA extension. Synopsis#include <X11/extensions/xf86dga.h> Bool XDGAQueryExtension( Display *dpy, int *eventBase, int *errorBase) Bool XDGAQueryVersion( Display *dpy, int *majorVersion, int *minorVersion) XDGAMode *XDGAQueryModes( Display *dpy, int screen, int *num) XDGADevice *XDGASetMode( Display *dpy, int screen, int mode) Bool XDGAOpenFramebuffer( Display *dpy, int screen) void XDGACloseFramebuffer( Display *dpy, int screen) void…