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    Types: TextFile
    Names: »FRAME_C«

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TextFile

#include <stdio.h>
#include <Xm/Xm.h>

#define NULL_STRING	""

#define MAX_FRAME 	10
#define NO_FREE_FRAME   0
#define INVALID_WIDGET  0

#define MAX_EVENT 	40

#define LG_WINDOW_NAME	10
#define LG_TYPE       	15
#define LG_FIELD	30
#define LG_VALUE	60

struct s_event {
    char type[LG_TYPE];
    char field[LG_FIELD];
    char value[LG_VALUE];
};

struct s_frame {
    Widget w;
    int busy;
    char name[LG_WINDOW_NAME];
    struct s_event event[MAX_EVENT];
    int get;
    int put;
    int nbevent;
    Boolean fieldChanged;
    Boolean changeEnable;
} frames[MAX_FRAME+1];

/* -------- Utilitaires ------------------------------------*/
char *RemoveTrailingSpaces(char *str)
{
 int i;

 for (i=strlen(str)-1; str[i]==' '; i--)
    str[i]='\0';
 return str;
}

/* -------- Routines de gestion des Frames associes aux fenetres XFM -----*/

void InitFrame()
{
  int i,j;

  for (i=1;i<MAX_FRAME+1;i++)
  {
   frames[i].w=0;
   frames[i].busy=FALSE;
   frames[i].name[0]='\0';
   frames[i].put=frames[i].get=frames[i].nbevent=0;
   frames[i].fieldChanged=FALSE;
   frames[i].changeEnable=TRUE;
   for (j=0; j<MAX_EVENT; j++)
   {
     frames[i].event[j].type[0]='\0';
     frames[i].event[j].field[0]='\0';
     frames[i].event[j].value[0]='\0';
   }
  }
}

void PrintFrame()
{
 int i;

 for (i=0; i<MAX_FRAME+1; i++)
  if (frames[i].busy)
     printf("frame[%d]: %d, %s \n",i,frames[i].w,frames[i].name);
}

int GetFrameId(char *name)
{
  int i;

  if (strlen(name) > LG_WINDOW_NAME)
  { 
    printf("*** Size of Window Name %s is too long (Frame.c)\n",name);
    exit(1);
  }
  for (i=1;i<MAX_FRAME+1;i++)
    if (!frames[i].busy)
    {
      frames[i].busy=TRUE;
      strcpy(frames[i].name,name);
      return i;
    }
  return NO_FREE_FRAME;
}

int WidgetToFrame(Widget w)
{
  int i;
  for(i=1;i<MAX_FRAME;i++)
    if (frames[i].busy)
      if (frames[i].w==w) return i;
  return INVALID_WIDGET;
}

char* GetFrameName(int frame)
{
  if (frames[frame].busy) 
       return frames[frame].name;
  else return NULL_STRING;
}

void FreeFrame(int frame)
{
  int j;

  frames[frame].busy=FALSE;
  frames[frame].name[0]='\0';
  frames[frame].w=0;
  frames[frame].put=frames[frame].get=frames[frame].nbevent=0;
  for (j=1; j<MAX_EVENT; j++)
  {
    frames[frame].event[j].type[0]='\0';
    frames[frame].event[j].field[0]='\0';
    frames[frame].event[j].value[0]='\0';
  } 
}

void SetFrameWidget(int frame, Widget w)
{
    frames[frame].w = w;
}

Widget GetFrameWidget(int frame)
{
  return frames[frame].w;
}

int MaxFrame()
{
  return MAX_FRAME;
}

/* -- Routines de gestion des files d'evenements associees a chaque frame -- */

void PutEventAda(int frame,char *evt_type,char *field_name,char *value)
{
   if (frames[frame].nbevent < MAX_EVENT)
   {
    if  (!frames[frame].busy)
    { 
      printf("*** Frame %d not affected to a window (Frame.c)\n",frame);
      exit(1);
    }
    if (strlen(evt_type) > LG_TYPE)
    { 
      printf("*** Size of Event Type %s is too long (Frame.c)\n",evt_type);
      exit(1);
    }
    else strcpy(frames[frame].event[frames[frame].put].type,evt_type);
    if (strlen(field_name) > LG_FIELD)
    { 
      printf("*** Size of Field Name %s is too long (Frame.c)\n",field_name);
      exit(1);
    }
    else strcpy(frames[frame].event[frames[frame].put].field,field_name);
    if (strlen(field_name) > LG_VALUE)
    { 
      printf("*** Size of Field Value %s is too long (Frame.c)\n",value);
      exit(1);
    }
    else strcpy(frames[frame].event[frames[frame].put].value,
		RemoveTrailingSpaces(value));
    frames[frame].put=(frames[frame].put + 1) % MAX_EVENT;
    frames[frame].nbevent++;
   }
   else printf("*** Buffer Event Full (Frame.c)\n");
  }

void PutEvent(Widget w,char *evt_type,char *field_name,char *value)
{
  int frame;

  if ((frame=WidgetToFrame(w)))
  {
#ifdef DEBUG
    printf("PUT_EVENT: %d,%s -> %s,%s,\"%s\"\n",
		frame,GetFrameName(frame),evt_type,field_name,value);
#endif
    PutEventAda(frame,evt_type,field_name,value);
  }
  else 
  {
    printf("*** Unknown Widget %d (Frame.c)\n",w);
    printf("    type: %s  field: %s  value: %s\n",evt_type,field_name,value);
    PrintFrame();
  }
}

char* GetType(int frame)
{
    return frames[frame].event[frames[frame].get].type;
}

char* GetField(int frame)
{
    return frames[frame].event[frames[frame].get].field;
}

char* GetValue(int frame)
{
    return frames[frame].event[frames[frame].get].value;
}

void Next(int frame)
{
  if (frames[frame].busy)
  {
    frames[frame].event[frames[frame].get].type[0]='\0';
    frames[frame].event[frames[frame].get].field[0]='\0';
    frames[frame].event[frames[frame].get].value[0]='\0';
    frames[frame].get=(frames[frame].get + 1) % MAX_EVENT;
    frames[frame].nbevent--;
  }
}

int Empty(int frame)
{
  if (!frames[frame].busy)
       return 1;
  else return (frames[frame].nbevent==0);
}

/* ------- Detection modification sur un champ ------------ */

int FindFrameId(Widget w)
{
 int i;

  for(i=1;i<MAX_FRAME;i++)
    if (frames[i].busy)
      if (frames[i].w==w) 
	 return i;
  printf("*** Widget %d not found (Frame.c)\n",w);
  exit(1);
}

void SetFalse(Widget w)
{
  frames[FindFrameId(w)].fieldChanged=FALSE;
}

Boolean FieldChanged(Widget w)
{
  return frames[FindFrameId(w)].fieldChanged;
}

void DisableChanged(Widget w)
{
  frames[FindFrameId(w)].changeEnable=FALSE; 
}

void EnableChanged(Widget w)
{
  frames[FindFrameId(w)].changeEnable=TRUE; 
}

void ValueChanged(Widget w)
{
  int Fid;

  Fid=FindFrameId(w);
  if (frames[Fid].changeEnable==TRUE)
       frames[Fid].fieldChanged=TRUE;
}