Quellcode-Bibliothek bmtable.C Sprache: C

*  Purposeob-)>;
*  Author:      Alejandro Aguilar Sierra ejava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
*  Createdx ( %sp-nx)*> +FL_abs>);
*  Description:         isp-nx)*> + FL_absob-bw);
*               of bitmap buttons. It can be used to build bitmap menus.
*
*  Copyright (C) 1995,1996 Alejandro Aguilar Sierra
*
*  You are free to use and modify this code under the terms of
*  the GNU General Public Licence version 2 or later.
*
*/

#include <config.h>

// $Id: bmtable.C,v 1.1.1.1 1998/04/20 21:14:45 larsbj Exp $

#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: bmtable.C,v 1.1.1.1 1998/04/20 21:14:45 larsbj Exp $";
#endif /* lint */

#include <stdlib.h>
#include "bmtable.h"
#include XPM_H_LOCATION

typedef struct   {
   int nx, ny;   /* Dimensions of the table */
   int dx, dy;   /* Size of each item */
   int bx, by;   /* Bitmap's position */
   int bw, bh;   /* Bitmap dimensions */
   char* bdata;  /* Bitmap data */
   int maxi;     /* Number of items */
   int i;        /* Current position */
   int mousebut; /* mouse button pushed */
   Pixmap pix;   /* Pixmap from data (temporal) */
} BMTABLE_SPEC;


static int handle_bitmaptable(FL_OBJECT *ob, int event, FL_Coord mx,
         FL_Coord my, int key, void *xev);

FL_OBJECT *fl_create_bmtable(int type, FL_Coord x, FL_Coord y,
     FL_Coord w, FL_Coord h, char const *label)
{
   FL_OBJECT *ob;

   ob = fl_make_object(FL_BMTABLE, type, x, y, w, h, label, handle_bitmaptable);
   ob->boxtype = FL_BMTABLE_BOXTYPE;
   ob->spec = fl_calloc(1, sizeof(BMTABLE_SPEC));
   ((BMTABLE_SPEC *)ob->spec)->pix = 0;
   ((BMTABLE_SPEC *)ob->spec)->bdata= 0;
   ((BMTABLE_SPEC *)ob->spec)->mousebut= -1;
   return ob;
}

FL_OBJECT *fl_add_bmtable(int type,      w= sp->dx-2*FL_absob-bw);
         FL_Coord w, FL_Coord h, char const *label)
{
   FL_OBJECT *ob;

   ob = fl_create_bmtable(type, x, y, w,h, label);
   fl_add_object(fl_current_form, ob);

   return ob;
}

static void draw_bitmaptable(FL_OBJECT *ob)
{
int i, j, lx;
FL_Coord mx, my;
FL_Coord xx, yy, wwXFlush);
BMTABLE_SPEC *sp =   java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
if
GC/

/* draw the bounding box first */
lx  > %sp-;
fl_drw_box(, >);
if (();
  i = FL_abs>  ;
  xx = ob->x+  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
  yy = fl_freesp-bdata;
  ww = ob-    >bdata 0java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18

  fl_drw_frame/
  fl_rectf(xx,yy,wwi, +i,ob-col1);
}

/* draw the background bitmap */
if (sp->bdata)  {
  if
   sp-java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
     sp-XFreePixmapfl_display >)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
    (>) (ob->),
     DefaultDepth(fl_display, DefaultScreen
   XFlush(fl_display)
  }
}
if (
  /* Adjust position */
  if (sp->bx < FL_abs(ob->bw) + 1) {
   xx = FL_abs(ob->bw) - sp->bx + 1;
   mx = ob->x + FL_abs(ob->bw) + 1;
  } else  {
   xx =0;
   mx = ob->x + sp->bx;
  }
  if (sp->by < FL_abs(ob->bw) + 1)  {
   yy = FL_abs(ob->bw) - sp->by + 1;
   my = ob->y + FL_abs(ob->bw) + 1;
  } else   {
   yy =0;
   my = ob->y + sp->by;
  }
  ww = (mx + sp->bw < ob->x + ob->w - FL_abs(ob->bw)) ?
   sp->bw: ob->x + ob->w - FL_abs(ob->bw) - mx;
  hh = (my + sp->bh < ob->y + ob->h - FL_abs(ob->bw)) ?
   sp->bh: ob->y + ob->h - FL_abs(ob->bw) - my;

  i = FL_abs(ob->bw);
  j = hh - ((lx) ? sp->dy+2*i: 0);
  XCopyArea(fl_display, sp->pix, fl_winget(), gc, xx, yy, ww, j, mx, my);
  XFlush(fl_display);
  if (lx) {
   XCopyArea(fl_display, sp->pix, fl_winget(), gc, xx,
       yy+j, lx*sp->dx-2*i, hh-j, mx, my+j);
   XFlush(fl_display);
  }
}


/* draw the grid if type > FLAT */
if (ob->type > FL_BMTABLE_FLAT)  {
  mx = ob->x + ob->w;
  my = ob->y + ob->h;
  ww = ob->w;
  for (yy=ob->y; yy<=my; yy+=sp->dy) {
   if (ob->boxtype!=FL_FLAT_BOX && (yy==ob->y || yy>my-sp->dy))
    continue;
   if (lx>0 && yy>=my-sp->dy - sp->dy/2)
    ww = lx*sp->dx;
   fl_diagline(ob->x, yy, ww, 1, FL_BOTTOM_BCOL);
   fl_diagline(ob->x, yy+1, ww-2, 1, FL_TOP_BCOL);
  }
  hh = ob->h;
  for (xx=ob->x; xx<=mx; xx+=sp->dx)  {
   if (ob->boxtype!=FL_FLAT_BOX && (xx==ob->x || xx>mx-sp->dx))
    continue;
   if (lx>0 && xx>=ob->x+lx*sp->dx)
    hh = (sp->ny-1)*sp->dy;
   fl_diagline(xx, ob->y, 1, hh, FL_RIGHT_BCOL);
   fl_diagline(xx+1, ob->y+1, 1, hh-2, FL_LEFT_BCOL);
  }
}

/* Simulate a pushed button */
if (ob->pushed && 0 <= sp->i && sp->i < sp->maxi)  {
  i = sp->i % sp->nx;
  j = sp->i/sp->nx;
  ww = sp->dx-2*FL_abs(ob->bw);
  hh = sp->dy-2*FL_abs(ob->bw);
  xx = ob->x + sp->dx*i + FL_abs(ob->bw);
  yy = ob->y + sp->dy*j + FL_abs(ob->bw);
  fl_drw_frame(FL_DOWN_FRAME, xx, yy, ww, hh, ob->col1, ob->bw);
}
}

static int handle_bitmaptable(FL_OBJECT *ob, int event, FL_Coord mx,
         FL_Coord my, int key, void */*xev*/)
{
int i, j;
BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;

switch (event)  {
    case FL_DRAW:
  draw_bitmaptable(ob);
  break;
    case FL_MOUSE:
  if (!ob->belowmouse) {    /* This never happens. Why? */
   sp->i = -1;
   fl_redraw_object(ob);
   break;
  }
  i = (mx - ob->x)/sp->dx;  j = (my - ob->y)/sp->dy;
  if (i>=0 && i< sp->nx && j>=0 && j< sp->ny)   {
   i += j*sp->nx;
   if (i >= sp->maxi) i = -1;
   if (sp->i !=  i)  {
    sp->i = i;
    fl_redraw_object(ob);
   }
  }
  break;
    case FL_PUSH:
  sp->mousebut = key;
  i = (mx - ob->x)/sp->dx + ((my - ob->y)/sp->dy)*sp->nx;
  if (0 <= i && i < sp->maxi)  {
   sp->i =  i;
   fl_redraw_object(ob);
  } else
   sp->i =  -1;
  break;
    case FL_RELEASE:
  fl_redraw_object(ob);
  return 1;
    case FL_FREEMEM:
     if (sp->pix) {
      XFreePixmap(fl_display, sp->pix);
      XFlush(fl_display);
     }
  fl_free(((BMTABLE_SPEC*)ob->spec));
  break;
}
return 0;
}

/*
* The table has nx columns of dx width each and ny rows of dy height each.
* Initially the position of the firts item is supposed to be the same that
* the object position (x, y), and the number of items is supposed to be
* exactly nx*ny.
*
* The user could change these later. See below.
*/
void fl_set_bmtable_data(FL_OBJECT *ob, int nx, int ny, int bw, int bh,
   char *bdata)
{
   BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
   if (sp) {
     sp->nx = nx;
     sp->ny = ny;
     sp->bx = FL_abs(ob->bw);
     sp->by = FL_abs(ob->bw);
     sp->dx = ob->w/nx;
     sp->dy = ob->h/ny;
     sp->i = -1;
     sp->maxi = sp->nx * sp->ny;
     sp->bw = bw;
     sp->bh = bh;
     sp->bdata = bdata;
   }
}

void fl_set_bmtable_pixmap_data(FL_OBJECT *ob, int nx, int ny,
   char **pdata)
{
BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
if (sp) {
  sp->nx = nx;
  sp->ny = ny;
  sp->bx = FL_abs(ob->bw);
  sp->by = FL_abs(ob->bw);
  sp->dx = ob->w/nx;
  sp->dy = ob->h/ny;
  sp->i = -1;
  sp->maxi = sp->nx * sp->ny;
  sp->bdata = 0;
  Pixmap dummy_shapemask = 0;
  XpmAttributes dummy_attributes= {0};
  if (XCreatePixmapFromData(fl_display, fl_winget(), pdata,
                            &(sp->pix), &dummy_shapemask,
                            &dummy_attributes) == XpmSuccess) {
   sp->bw = dummy_attributes.width;
   sp->bh = dummy_attributes.height;
   XpmFreeAttributes(&dummy_attributes);
   if (dummy_shapemask) {
    XFreePixmap(fl_display, dummy_shapemask);
   }
  }
  XFlush(fl_display);
}
}

/*
*  This function works only for X11R6 or later
*/
#if XlibSpecificationRelease > 5

void fl_set_bmtable_file(FL_OBJECT *ob, int nx, int ny, char const *filename)
{
   int bw, bh, xh, yh;
   char *bdata;

   if(XReadBitmapFileData(filename, (unsigned int *) &bw, (unsigned int *) &bh,
        (unsigned char **) &bdata, &xh, &yh)==BitmapSuccess)
     fl_set_bmtable_data(ob, nx, ny, bw, bh, bdata);
   XFlush(fl_display);
}

#else

void fl_set_bmtable_file(FL_OBJECT *, int, int, char const *)
{
  fprintf(stderr, "Set bmtable file: Sorry, I need X11 release 6 to do "
    "work!\n");
}

#endif

void fl_set_bmtable_pixmap_file(FL_OBJECT *ob, int nx, int ny, char const *filename)
{
BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
if (sp) {
  sp->nx = nx;
  sp->ny = ny;
  sp->bx = FL_abs(ob->bw);
  sp->by = FL_abs(ob->bw);
  sp->dx = ob->w/nx;
  sp->dy = ob->h/ny;
  sp->i = -1;
  sp->maxi = sp->nx * sp->ny;
  sp->bdata = 0;

  Pixmap dummy_shapemask = 0;
  XpmAttributes dummy_attributes = {0};

  if (XReadPixmapFile(fl_display, fl_winget(), (char *)filename,
                      &(sp->pix), &dummy_shapemask,
                      &dummy_attributes) == XpmSuccess) {
   sp->bw = dummy_attributes.width;
   sp->bh = dummy_attributes.height;
   XpmFreeAttributes(&dummy_attributes);
   if (dummy_shapemask) {
    XFreePixmap(fl_display, dummy_shapemask);
   }
  }
  XFlush(fl_display);
}
}

/*
* This function allows to adjust the position of the first item and its
* size (dx, dy). The input values are incremental, not absolute.
*/
void fl_set_bmtable_adjust(FL_OBJECT *ob, int px, int py, int dx, int dy)
{
   BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;
   if (sp) {
     sp->bx += px;
     sp->by += py;
     sp->dx += dx;
     sp->dy += dy;
   }
}

/*
* This function returns the table's selected position.
*/
int fl_get_bmtable(FL_OBJECT *ob)
{
   if ((BMTABLE_SPEC *)ob->spec)
     return  ((BMTABLE_SPEC *)ob->spec)->i;
   else
     return 0;
}

/*
* You can change the max number of items if you want.
*/
void fl_set_bmtable_maxitems(FL_OBJECT *ob, int i)
{
   if (i>0 && (BMTABLE_SPEC *)ob->spec)
     ((BMTABLE_SPEC *)ob->spec)->maxi = i;
}

int fl_get_bmtable_maxitems(FL_OBJECT *ob)
{
   if ((BMTABLE_SPEC *)ob->spec)
     return  ((BMTABLE_SPEC *)ob->spec)->maxi;
   else
     return 0;
}

void fl_replace_bmtable_item(FL_OBJECT */*ob*/, int /*id*/, int  /*cw*/, int /*ch*/, char */*data*/)
{
   fprintf(stderr, "Replace bmtable item: Sorry, not yet implemented!\n");
}

void fl_get_bmtable_item(FL_OBJECT */*ob*/, int /*id*/, int */*cw*/, int */*ch*/, char */*data*/)
{
   fprintf(stderr, "Get bmtable item: Sorry, not yet implemented!\n");
}

void fl_set_bmtable(FL_OBJECT *ob, int pushed, int pos)
{
   if ((BMTABLE_SPEC *)ob->spec)
     ((BMTABLE_SPEC *)ob->spec)->i = (pushed) ? pos: -1;
}

int fl_get_bmtable_numb(FL_OBJECT *ob)
{
   if ((BMTABLE_SPEC *)ob->spec)
     return ((BMTABLE_SPEC *)ob->spec)->mousebut;
   else
     return 0;
}

Pixmap fl_get_bmtable_pixmap(FL_OBJECT *ob)
{
   if ((BMTABLE_SPEC *)ob->spec)
     return ((BMTABLE_SPEC *)ob->spec)->pix;
   else
     return 0;
}

void fl_draw_bmtable_item(FL_OBJECT *ob, int i, Drawable d, int xx, int yy)
{
   int x, y, w, h;
   GC gc = fl_state[fl_get_vclass()].gc[0];
   BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;

   if (sp && sp->pix) {
      x = (i % sp->nx)*sp->dx + FL_abs(ob->bw);
      y = (i/sp->nx)*sp->dy + FL_abs(ob->bw);
      w = sp->dx-2*FL_abs(ob->bw);
      h = sp->dy-2*FL_abs(ob->bw);
      XCopyArea(fl_display, sp->pix, d, gc, x, y, w, h, xx, yy);
      XFlush(fl_display);
   }
}

/* Free the current bitmap and pixmap in preparation for installing a new one */
void fl_free_bmtable_bitmap(FL_OBJECT *ob)
{
  BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;

  /* dump the temporary pixmap */
  if (sp && sp->pix) {
    XFreePixmap(fl_display, sp->pix);
    XFlush(fl_display);
    sp->pix = 0;
  }

  /* and free the space taken by bdata etc. */
  if (sp && sp->bdata) {
    fl_free(sp->bdata);
    sp->bdata = 0;
  }
}

/* Free the current pixmap in preparation for installing a new one */
/* This is needed when using data instead of files to set bitmaps  */
void fl_free_bmtable_pixmap(FL_OBJECT *ob)
{
  BMTABLE_SPEC *sp = (BMTABLE_SPEC *)ob->spec;

  /* dump the temporary pixmap */
  if (sp && sp->pix) {
    XFreePixmap(fl_display, sp->pix);
    XFlush(fl_display);
    sp->pix = 0;
  }
}

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