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/*------------------------------------------------------------------------
* Copyright (C) 2001 Enpc/Jean-Philippe Chancelier
* jpc@cermics.enpc.fr
--------------------------------------------------------------------------*/
#include <stdio.h>
#include "bcg.h"
typedef struct but
{ int win; /* graphic window containing the locator */
int x,y; /* Locator position coordinates */
int ibutton; /*mouse button or key*/
int motion; /* is it a move event */
int release; /* is it a release event */
} But;
typedef int (*Scig_click_handler) (int,int,int,int,int,int);
typedef void (*Scig_deletegwin_handler) (int);
extern int StoreCommand1(char *,int);
int demo_menu_activate=0; /* add a demo menu in the graphic Window */
#define MaxCB 50 /* We keep the last MaxCB click events on a queue just in case */
static But ClickBuf[MaxCB];
static int lastc = 0;
static int wait_for_click=0; /* set to 1 when in xclick or xgetmouse to disable event handler*/
static int event_select=5;/* record only press and release events, ignoring move*/
/* next used to prevent the user from destroying a graphic window
* when acquiring for example a zoom rectangle */
static int sci_graphic_protect = 0;
/* Disable Events when in PushClickQueue */
static int EventOff=FALSE;
/*-----------------------------------------------------------------------------------*/
int scig_click_handler_none (int win,int x,int y,int ibut,
int motion,int release)
{return 0;}
/*-----------------------------------------------------------------------------------*/
int scig_click_handler_sci (int win,int x,int y,int ibut,int motion,int release)
{
static char buf[256];
struct BCG *SciGc = (struct BCG *) NULL;
SciGc = GetWindowXgcNumber(win);
if(SciGc == (struct BCG *) NULL)
return 0;
if (strlen(SciGc->EventHandler)!=0) {
sprintf(buf,"%s(%d,%d,%d,%d)",SciGc->EventHandler,win,x,y,ibut);
StoreCommand1(buf,0);
return 1;}
else
return 0;
}
/*-----------------------------------------------------------------------------------*/
static Scig_click_handler scig_click_handler = scig_click_handler_sci;
/*-----------------------------------------------------------------------------------*/
Scig_click_handler set_scig_click_handler( Scig_click_handler f)
{
Scig_click_handler old = scig_click_handler;
scig_click_handler = f;
return old;
}
/*-----------------------------------------------------------------------------------*/
void reset_scig_click_handler()
{
scig_click_handler = scig_click_handler_sci;
}
/*-----------------------------------------------------------------------------------*/
void scig_deletegwin_handler_none (int win)
{
}
/*-----------------------------------------------------------------------------------*/
void scig_deletegwin_handler_sci (int win)
{
static char buf[256];
struct BCG *SciGc;
SciGc = GetWindowXgcNumber(win);
if (strlen(SciGc->EventHandler)!=0) {
sprintf(buf,"%s(%d,0,0,-1000)",SciGc->EventHandler,win);
StoreCommand1(buf,0);
}
}
/*-----------------------------------------------------------------------------------*/
Scig_deletegwin_handler scig_deletegwin_handler = scig_deletegwin_handler_sci;
/*-----------------------------------------------------------------------------------*/
Scig_deletegwin_handler set_scig_deletegwin_handler(Scig_deletegwin_handler f)
{
Scig_deletegwin_handler old = scig_deletegwin_handler;
scig_deletegwin_handler = f;
return old;
}
/*-----------------------------------------------------------------------------------*/
void reset_scig_deletegwin_handler()
{
scig_deletegwin_handler = scig_deletegwin_handler_sci;
}
/*-----------------------------------------------------------------------------------*/
void set_delete_win_mode(void) { sci_graphic_protect = 0 ;}
/*-----------------------------------------------------------------------------------*/
void set_no_delete_win_mode(void) { sci_graphic_protect = 1 ;}
/*-----------------------------------------------------------------------------------*/
int get_delete_win_mode(void) { return sci_graphic_protect;}
/*-----------------------------------------------------------------------------------*/
/*---------------------------------------------------------
* Mouse queue Handling
* the default behaviour is to store mouse clicks in a queue.
* But one can also set a handler to deal with
* mouse motion and click: the handler returns 1
* if he take care of the click and returns 0 if
* he want the queue to be used
---------------------------------------------------------*/
int PushClickQueue(int win,int x,int y,int ibut, int motion,int release)
{
/* first let a click_handler do the job */
if ( ( wait_for_click == 0 ) && ( scig_click_handler(win,x,y,ibut,motion,release) == 1 ) ) return 0;
if ( event_select==0 &&(motion == 1 || release == 1) ) return 0;
if (((event_select&2)&&motion)||((event_select&4)&&release)||(motion==0&&release==0))
{
/* store click event in a queue */
if ( lastc == MaxCB )
{
int i;
for ( i= 1 ; i < MaxCB ; i ++ )
{
ClickBuf[i-1]=ClickBuf[i];
}
ClickBuf[lastc-1].win = win;
ClickBuf[lastc-1].x = x;
ClickBuf[lastc-1].y = y;
ClickBuf[lastc-1].ibutton = ibut;
ClickBuf[lastc-1].motion = motion;
ClickBuf[lastc-1].release = release;
}
else
{
ClickBuf[lastc].win = win;
ClickBuf[lastc].x = x;
ClickBuf[lastc].y = y;
ClickBuf[lastc].ibutton = ibut;
ClickBuf[lastc].motion = motion;
ClickBuf[lastc].release = release;
lastc++;
}
}
return(0);
}
/*-----------------------------------------------------------------------------------*/
int CheckClickQueue(int *win,int *x,int *y,int *ibut,int *motion,int *release)
{
int i;
for ( i = 0 ; i < lastc ; i++ )
{
int j ;
if ( ClickBuf[i].win == *win || *win == -1 )
{
*win = ClickBuf[i].win;
*x= ClickBuf[i].x ;
*y= ClickBuf[i].y ;
*ibut= ClickBuf[i].ibutton;
*motion= ClickBuf[i].motion ;
*release= ClickBuf[i].release ;
for ( j = i+1 ; j < lastc ; j++ )
{
ClickBuf[j-1].win = ClickBuf[j].win ;
ClickBuf[j-1].x = ClickBuf[j].x ;
ClickBuf[j-1].y = ClickBuf[j].y ;
ClickBuf[j-1].ibutton = ClickBuf[j].ibutton ;
ClickBuf[j-1].motion = ClickBuf[j].motion ;
ClickBuf[j-1].release = ClickBuf[j].release ;
}
lastc--;
return(1);
}
}
return(0);
}
/*-----------------------------------------------------------------------------------*/
int ClearClickQueue(int win)
{
int i;
if ( win == -1 )
{
lastc = 0;
return 0;
}
for ( i = 0 ; i < lastc ; i++ )
{
int j ;
if ( ClickBuf[i].win == win )
{
for ( j = i+1 ; j < lastc ; j++ )
{
ClickBuf[j-1].win = ClickBuf[j].win ;
ClickBuf[j-1].x = ClickBuf[j].x ;
ClickBuf[j-1].y = ClickBuf[j].y ;
ClickBuf[j-1].ibutton = ClickBuf[j].ibutton ;
ClickBuf[j-1].motion = ClickBuf[j].motion ;
ClickBuf[j-1].release = ClickBuf[j].release ;
}
lastc--;
}
}
lastc=0;
return(0);
}
/*-----------------------------------------------------------------------------------*/
void seteventhandler(int *win_num,char *name,int *ierr)
{
struct BCG *SciGc;
/*ButtonPressMask|PointerMotionMask|ButtonReleaseMask|KeyPressMask */
*ierr = 0;
SciGc = GetWindowXgcNumber(*win_num);
if ( SciGc == NULL ) {*ierr=1;return;}
strncpy(SciGc->EventHandler,name,24);
}
/*-----------------------------------------------------------------------------------*/
void set_wait_click(int val)
{
if (val==1) {
wait_for_click=val;
}else
wait_for_click=val;
}
/*-----------------------------------------------------------------------------------*/
int get_wait_click()
{
return wait_for_click;
}
void set_event_select(int val)
{
event_select=val;
}
/*-----------------------------------------------------------------------------------*/
int get_event_select()
{
return event_select;
}
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