Xlib â C Language X Interface

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Xlib − C LibraryX11, Release 6.7 DRAFTscreen, respectively. You can modify its contents freely because it is not used in any Xlib function.This GC should never befreed.DefaultRootWindow(display)Window XDefaultRootWindow(display)Display *display;displaySpecifies the connection to the X server.Both return the root window for the default screen.DefaultScreenOfDisplay (display)Screen *XDefaultScreenOfDisplay (display)Display *display;displaySpecifies the connection to the X server.Both return a pointer to the default screen.ScreenOfDisplay (display, screen_number)Screen *XScreenOfDisplay(display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return a pointer to the indicated screen.DefaultScreen (display)int XDefaultScreen (display)Display *display;displaySpecifies the connection to the X server.Both return the default screen number referenced by the XOpenDisplay function. This macro orfunction should be used to retrieve the screen number in applications that will use only a singlescreen.13
Xlib − C LibraryX11, Release 6.7 DRAFTDefaultVisual (display, screen_number)Visual *XDefaultVisual (display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return the default visual type for the specified screen. For further information about visualtypes, see section 3.1.DisplayCells (display, screen_number)int XDisplayCells(display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return the number of entries in the default colormap.DisplayPlanes (display, screen_number)int XDisplayPlanes(display, screen_number)Display *display;int screen_number;displayscreen_numberSpecifies the connection to the X server.Specifies the appropriate screen number on the host server.Both return the depth of the root window ofthe specified screen. For anexplanation of depth, seethe glossary.14
Page 3 and 4: AcknowledgmentsThe design and imple
Page 5 and 6: Release 6Stephen Gildea (X Consorti
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4.2. Translating Screen Coordinates
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10.7. Input Focus Events . . . . .
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13.5.6.1. Input Style . . . . . . .
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