Linux Manuals session 3

Xcomposite – X Composite Extension library Synopsis#include <X11/extensions/Xcomposite.h> Bool XCompositeQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XCompositeQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); int XCompositeVersion(void); void XCompositeRedirectWindow(Display *dpy, Window window, int update); void XCompositeRedirectSubwindows(Display *dpy, Window window, int update); void XCompositeUnredirectWindow(Display *dpy, Window window, int update); void XCompositeUnredirectSubwindows(Display *dpy, Window window, int update); XserverRegion XCompositeCreateRegionFromBorderClip(Display *dpy, Window window); Pixmap XCompositeNameWindowPixmap(Display *dpy, Window window); Window XCompositeGetOverlayWindow(Display *dpy, Window window); void XCompositeReleaseOverlayWindow(Display *dpy, Window window);DescriptionThe composite extension provides several related mechanisms: Per-hierarchy storage The…

Xcomposite – X Composite Extension library Synopsis#include <X11/extensions/Xcomposite.h> Bool XCompositeQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XCompositeQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); int XCompositeVersion(void); void XCompositeRedirectWindow(Display *dpy, Window window, int update); void XCompositeRedirectSubwindows(Display *dpy, Window window, int update); void XCompositeUnredirectWindow(Display *dpy, Window window, int update); void XCompositeUnredirectSubwindows(Display *dpy, Window window, int update); XserverRegion XCompositeCreateRegionFromBorderClip(Display *dpy, Window window); Pixmap XCompositeNameWindowPixmap(Display *dpy, Window window); Window XCompositeGetOverlayWindow(Display *dpy, Window window); void XCompositeReleaseOverlayWindow(Display *dpy, Window window);DescriptionThe composite extension provides several related mechanisms: Per-hierarchy storage The…

Xcomposite – X Composite Extension library Synopsis#include <X11/extensions/Xcomposite.h> Bool XCompositeQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XCompositeQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); int XCompositeVersion(void); void XCompositeRedirectWindow(Display *dpy, Window window, int update); void XCompositeRedirectSubwindows(Display *dpy, Window window, int update); void XCompositeUnredirectWindow(Display *dpy, Window window, int update); void XCompositeUnredirectSubwindows(Display *dpy, Window window, int update); XserverRegion XCompositeCreateRegionFromBorderClip(Display *dpy, Window window); Pixmap XCompositeNameWindowPixmap(Display *dpy, Window window); Window XCompositeGetOverlayWindow(Display *dpy, Window window); void XCompositeReleaseOverlayWindow(Display *dpy, Window window);DescriptionThe composite extension provides several related mechanisms: Per-hierarchy storage The…

Xcomposite – X Composite Extension library Synopsis#include <X11/extensions/Xcomposite.h> Bool XCompositeQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XCompositeQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); int XCompositeVersion(void); void XCompositeRedirectWindow(Display *dpy, Window window, int update); void XCompositeRedirectSubwindows(Display *dpy, Window window, int update); void XCompositeUnredirectWindow(Display *dpy, Window window, int update); void XCompositeUnredirectSubwindows(Display *dpy, Window window, int update); XserverRegion XCompositeCreateRegionFromBorderClip(Display *dpy, Window window); Pixmap XCompositeNameWindowPixmap(Display *dpy, Window window); Window XCompositeGetOverlayWindow(Display *dpy, Window window); void XCompositeReleaseOverlayWindow(Display *dpy, Window window);DescriptionThe composite extension provides several related mechanisms: Per-hierarchy storage The…

Xcomposite – X Composite Extension library Synopsis#include <X11/extensions/Xcomposite.h> Bool XCompositeQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XCompositeQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); int XCompositeVersion(void); void XCompositeRedirectWindow(Display *dpy, Window window, int update); void XCompositeRedirectSubwindows(Display *dpy, Window window, int update); void XCompositeUnredirectWindow(Display *dpy, Window window, int update); void XCompositeUnredirectSubwindows(Display *dpy, Window window, int update); XserverRegion XCompositeCreateRegionFromBorderClip(Display *dpy, Window window); Pixmap XCompositeNameWindowPixmap(Display *dpy, Window window); Window XCompositeGetOverlayWindow(Display *dpy, Window window); void XCompositeReleaseOverlayWindow(Display *dpy, Window window);DescriptionThe composite extension provides several related mechanisms: Per-hierarchy storage The…

Xcomposite – X Composite Extension library Synopsis#include <X11/extensions/Xcomposite.h> Bool XCompositeQueryExtension(Display *dpy, int *event_base_return, int *error_base_return); Status XCompositeQueryVersion(Display *dpy, int *major_version_return, int *minor_version_return); int XCompositeVersion(void); void XCompositeRedirectWindow(Display *dpy, Window window, int update); void XCompositeRedirectSubwindows(Display *dpy, Window window, int update); void XCompositeUnredirectWindow(Display *dpy, Window window, int update); void XCompositeUnredirectSubwindows(Display *dpy, Window window, int update); XserverRegion XCompositeCreateRegionFromBorderClip(Display *dpy, Window window); Pixmap XCompositeNameWindowPixmap(Display *dpy, Window window); Window XCompositeGetOverlayWindow(Display *dpy, Window window); void XCompositeReleaseOverlayWindow(Display *dpy, Window window);DescriptionThe composite extension provides several related mechanisms: Per-hierarchy storage The…

Compose – X client mappings for multi-key input sequences DescriptionThe X library, libX11, provides a simple input method for characters beyond those represented on typical keyboards using sequences of key strokes that are combined to enter a single character. The compose file is searched for in the following order: – If the environment variable $XCOMPOSEFILE…

XColormapEvent – ColormapNotify event structure StructuresThe structure for ColormapNotify events contains: typedef struct {         int type;       /* ColormapNotify */         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;         Colormap colormap;      /* colormap or None */         Bool new;         int state;      /* ColormapInstalled, ColormapUninstalled */ } XColormapEvent; When you receive…

XCreateColormap, XCopyColormapAndFree, XFreeColormap, XColor – create, copy, or destroy colormaps and color structure SyntaxColormap XCreateColormap(Display *display, Window w, Visual *visual, int alloc); Colormap XCopyColormapAndFree(Display *display, Colormap colormap); int XFreeColormap(Display *display, Colormap colormap);Argumentsalloc Specifies the colormap entries to be allocated. You can pass AllocNone or AllocAll. colormap Specifies the colormap that you want to create, copy,…

XOpenIM, XCloseIM, XSetIMValues, XGetIMValues, XDisplayOfIM, XLocaleOfIM, XRegisterIMInstantiateCallback, XUnregisterIMInstantiateCallback – open, close, and obtain input method information SyntaxXIM XOpenIM(Display *display, XrmDatabase db, char *res_name, char *res_class); Status XCloseIM(XIM im); char *XSetIMValues(XIM im, …); char *XGetIMValues(XIM im, …); Display *XDisplayOfIM(XIM im); char *XLocaleOfIM(XIM im); Bool XRegisterIMInstantiateCallback(Display *display, XrmDatabase db, char *res_name, char *res_class, XIDProc callback, XPointer client_data);…

XOpenDisplay, XCloseDisplay – connect or disconnect to X server SyntaxDisplay *XOpenDisplay(char *display_name); int XCloseDisplay(Display *display);Argumentsdisplay Specifies the connection to the X server. display_name Specifies the hardware display name, which determines the display and communications domain to be used. On a POSIX-conformant system, if the display_name is NULL, it defaults to the value of the DISPLAY…

XOpenDevice, XCloseDevice – open or close an extension input device Synopsis#include <X11/extensions/XInput.h>XDevice *XOpenDevice( Display *display, XID device_id);XCloseDevice( Display *display, XDevice *device);display Specifies the connection to the X server.device_id Specifies the id of the device to be openeddevice Specifies the device to be closedDescriptionThe XOpenDevice request makes an input device accessible to a client through input…

XPolygonRegion, XClipBox – generate regions SyntaxRegion XPolygonRegion(XPoint points[], int n, int fill_rule); int XClipBox(Region r, XRectangle *rect_return);Argumentsfill_rule Specifies the fill-rule you want to set for the specified GC. You can pass EvenOddRule or WindingRule. n Specifies the number of points in the polygon. points Specifies an array of points. r Specifies the region. rect_return Returns…

XClientMessageEvent – ClientMessage event structure StructuresThe structure for ClientMessage events contains: typedef struct {         int type;       /* ClientMessage */         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;         Atom message_type;         int format;         union {                 char b[20];                 short s[10];                 long l[5];                 } data; } XClientMessageEvent;…

XClearArea, XClearWindow – clear area or window Syntaxint XClearArea(Display *display, Window w, int x, int y, unsigned width, unsigned height, Bool exposures); int XClearWindow(Display *display, Window w);Argumentsdisplay Specifies the connection to the X server. exposures Specifies a Boolean value that indicates if Expose events are to be generated. w Specifies the window. width height Specify…

XClearArea, XClearWindow – clear area or window Syntaxint XClearArea(Display *display, Window w, int x, int y, unsigned width, unsigned height, Bool exposures); int XClearWindow(Display *display, Window w);Argumentsdisplay Specifies the connection to the X server. exposures Specifies a Boolean value that indicates if Expose events are to be generated. w Specifies the window. width height Specify…

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…

XRaiseWindow, XLowerWindow, XCirculateSubwindows, XCirculateSubwindowsUp, XCirculateSubwindowsDown, XRestackWindows – change window stacking order Syntaxint XRaiseWindow(Display *display, Window w); int XLowerWindow(Display *display, Window w); int XCirculateSubwindows(Display *display, Window w, int direction); int XCirculateSubwindowsUp(Display *display, Window w); int XCirculateSubwindowsDown(Display *display, Window w); int XRestackWindows(Display *display, Window windows[], int nwindows);Argumentsdirection Specifies the direction (up or down) that you want to…

SDL_DestroyCond – Destroy a condition variable Synopsis #include "SDL.h" #include "SDL_thread.h" void SDL_DestroyCond(SDL_cond *cond); Description Destroys a condition variable. See Also SDL_CreateCond

SDLKey – SDL Keysym Definitions SDL Keysym definitions SDLKey ASCII value Common Name SDLK_BACKSPACE ‘\b’ backspace SDLK_TAB ‘\t’ tab SDLK_CLEAR clear SDLK_RETURN ‘\r’ return SDLK_PAUSE pause SDLK_ESCAPE ‘^[‘ escape SDLK_SPACE ‘ ‘ space SDLK_EXCLAIM ‘!’ exclaim SDLK_QUOTEDBL ‘"’ quotedbl SDLK_HASH ‘#’ hash SDLK_DOLLAR ‘$’ dollar SDLK_AMPERSAND ‘&’ ampersand SDLK_QUOTE ”’ quote SDLK_LEFTPAREN ‘(‘ left parenthesis…