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#                Crown Copyright (c) 1997
#   
#   This TenDRA(r) Computer Program is subject to Copyright
#   owned by the United Kingdom Secretary of State for Defence
#   acting through the Defence Evaluation and Research Agency
#   (DERA).  It is made available to Recipients with a
#   royalty-free licence for its use, reproduction, transfer
#   to other parties and amendment for any purpose not excluding
#   product development provided that any such use et cetera
#   shall be deemed to be acceptance of the following conditions:-
#   
#       (1) Its Recipients shall ensure that this Notice is
#       reproduced upon any copies or amended versions of it;
#   
#       (2) Any amended version of it shall be clearly marked to
#       show both the nature of and the organisation responsible
#       for the relevant amendment or amendments;
#   
#       (3) Its onward transfer from a recipient to another
#       party shall be deemed to be that party's acceptance of
#       these conditions;
#   
#       (4) DERA gives no warranty or assurance as to its
#       quality or suitability for any purpose and DERA accepts
#       no liability whatsoever in relation to any use to which
#       it may be put.
#
# Interclient communication facilities

+USE "x5/lib", "X11/X.h" ;
+USE "x5/lib", "X11/Xlib.h", "types" ;


# Setting and Reading the WM_HINTS Property (14.1.6)

+DEFINE InputHint               %% (1L<<0) %% ;
+DEFINE StateHint               %% (1L<<1) %% ;
+DEFINE IconPixmapHint          %% (1L<<2) %% ;
+DEFINE IconWindowHint          %% (1L<<3) %% ;
+DEFINE IconPositionHint        %% (1L<<4) %% ;
+DEFINE IconMaskHint            %% (1L<<5) %% ;
+DEFINE WindowGroupHint         %% (1L<<6) %% ;
+DEFINE AllHints                %% (InputHint|StateHint|IconPixmapHint|IconWindowHint|IconPosiionHint|IconMaskHint|WindowGroupHint) %% ;

+FIELD ( struct ) XWMHints {
    long flags ;
    Bool input ;
    int initial_state ;
    Pixmap icon_pixmap ;
    Window icon_window ;
    int icon_x, icon_y ;
    Pixmap icon_mask ;
    XID window_group ;
} ;

+DEFINE WithdrawnState          %% 0 %% ;
+DEFINE NormalState             %% 1 %% ;
+DEFINE IconicState             %% 3 %% ;


# Setting and Reading the WM_NORMAL_HINTS Property (14.1.7)

+DEFINE USPosition              %% (1L<<0) %% ;
+DEFINE USSize                  %% (1L<<1) %% ;
+DEFINE PPosition               %% (1L<<2) %% ;
+DEFINE PSize                   %% (1L<<3) %% ;
+DEFINE PMinSize                %% (1L<<4) %% ;
+DEFINE PMaxSize                %% (1L<<5) %% ;
+DEFINE PResizeInc              %% (1L<<6) %% ;
+DEFINE PAspect                 %% (1L<<7) %% ;
+DEFINE PBaseSize               %% (1L<<8) %% ;
+DEFINE PWinGravity             %% (1L<<9) %% ;
+DEFINE PAllHints               %% (PPosition|PSize|PMinSize|PMaxSize|PResizeInc|PAspect) %% ;

+FIELD struct ~XSizeHintsAspect := {
    int x ;
    int y ;
} ;

+FIELD ( struct ) XSizeHints := {
    long flags ;
    int x, y ;
    int width, height ;
    int min_width, min_height ;
    int max_width, max_height ;
    int width_inc, height_inc ;
    struct ~XSizeHintsAspect min_aspect, max_aspect ;
    int base_width, base_height ;
    int win_gravity ;
} ;


# Setting and Reading the WM_CLASS Property (14.1.8)

+FIELD ( struct ) XClassHint := {
    char *res_name ;
    char *res_class ;
} ;


# Setting and Reading the WM_ICON_SIZE Property (14.1.12)

+FIELD ( struct ) XIconSize := {
    int min_width, min_height ;
    int max_width, max_height ;
    int width_inc, height_inc ;
} ;


# Parsing the Window Geometry (16.4)

+CONST int XValue, YValue, WidthValue, HeightValue, XNegative, YNegative ;


# Manipulating Regions (16.5)

+TYPE ~RegionRec ;
+TYPEDEF ~RegionRec *Region ;   # RCA : it must be a pointer


# Determining a Visual Type (16.7)

+DEFINE VisualNoMask            %% 0x0 %% ;
+DEFINE VisualIDMask            %% 0x1 %% ;
+DEFINE VisualScreenMask        %% 0x2 %% ;
+DEFINE VisualDepthMask         %% 0x4 %% ;
+DEFINE VisualClassMask         %% 0x8 %% ;
+DEFINE VisualRedMaskMask       %% 0x10 %% ;
+DEFINE VisualGreenMaskMask     %% 0x20 %% ;
+DEFINE VisualBlueMaskMask      %% 0x40 %% ;
+DEFINE VisualColormapSizeMask  %% 0x80 %% ;
+DEFINE VisualBitsPerRGBMask    %% 0x100 %% ;
+DEFINE VisualAllMask           %% 0x1FF %% ;

+FIELD ( struct ) XVisualInfo := {
    Visual *visual ;
    VisualID visualid ;
    int screen ;
    unsigned int depth ;
    int class ;
    unsigned long red_mask ;
    unsigned long green_mask ;
    unsigned long blue_mask ;
    int colormap_size ;
    int bits_per_rgb ;
} ;


# Manipulating Images (16.8)

+FUNC unsigned long XGetPixel ( XImage *, int, int ) ;
+FUNC void XPutPixel ( XImage *, int, int, unsigned long ) ;
+FUNC XImage *XSubImage ( XImage *, int, int, unsigned int, unsigned int ) ;
+FUNC void XAddPixel ( XImage *, long ) ;


# Using the Context Manager (16.10)

+CONST int XCNOMEM, XCNOENT ;