Actual source code: ximpl.h

  1: #define PETSC_DLL

  3: /*
  4:       Defines the internal data structures for the X-windows 
  5:    implementation of the graphics functionality in PETSc.
  6: */

 8:  #include ../src/sys/draw/drawimpl.h

 10: #if !defined(_XIMPL_H)
 11: #define _XIMPL_H

 13: #include <sys/types.h>
 14: #include <X11/Xlib.h>
 15: #include <X11/Xutil.h>

 17: typedef unsigned long PixVal;

 19: typedef struct {
 20:     GC       set;
 21:     PixVal   cur_pix;
 22: } XiGC;

 24: typedef struct {
 25:   Font     fnt;
 26:   int      font_w,font_h;
 27:   int      font_descent;
 28:   PixVal   font_pix;
 29: } XiFont;

 31: typedef struct {
 32:     Display  *disp;
 33:     int      screen;
 34:     Window   win;
 35:     Visual   *vis;            /* Graphics visual */
 36:     XiGC     gc;
 37:     XiFont   *font;
 38:     int      depth;           /* Depth of visual */
 39:     int      numcolors,      /* Number of available colors */
 40:              maxcolors;       /* Current number in use */
 41:     Colormap cmap;
 42:     PixVal   foreground,background;
 43:     PixVal   cmapping[256];
 44:     int      x,y,w,h;      /* Size and location of window */
 45:     Drawable drw;
 46: } PetscDraw_X;

 48: #define XiDrawable(w) ((w)->drw ? (w)->drw : (w)->win)

 50: #define XiSetColor(Win,icolor)\
 51:   {if (icolor >= 256 || icolor < 0) SETERRQ(PETSC_ERR_ARG_OUTOFRANGE,"Color value out of range");\
 52:    if ((Win)->gc.cur_pix != (Win)->cmapping[icolor]) { \
 53:      XSetForeground((Win)->disp,(Win)->gc.set,(Win)->cmapping[icolor]); \
 54:      (Win)->gc.cur_pix   = (Win)->cmapping[icolor];\
 55:   }}

 57: #define XiSetPixVal(Win,pix)\
 58:   {if ((PixVal) (Win)->gc.cur_pix != pix) { \
 59:      XSetForeground((Win)->disp,(Win)->gc.set,pix); \
 60:      (Win)->gc.cur_pix   = pix;\
 61:   }}

 63: typedef struct {
 64:   int      x,y,xh,yh,w,h;
 65: } XiRegion;

 67: typedef struct {
 68:   XiRegion Box;
 69:   int      width,HasColor,is_in;
 70:   PixVal   Hi,Lo;
 71: } XiDecoration;

 73: #endif