static int winCanvasSetDYAttrib(Ihandle* ih, const char *value)
{
if (ih->data->sb & IUP_SB_VERT)
{
double posy, ymin, ymax;
float dy;
int iposy, ipagey;
if (!iupStrToFloatDef(value, &dy, 0.1f))
return 1;
ymin = iupAttribGetFloat(ih, "YMIN");
ymax = iupAttribGetFloat(ih, "YMAX");
posy = ih->data->posy;
iupCanvasCalcScrollIntPos(ymin, ymax, dy, posy,
IUP_SB_MIN, IUP_SB_MAX, &ipagey, &iposy);
winCanvasSetScrollInfo(ih->handle, IUP_SB_MIN, IUP_SB_MAX, ipagey, SB_VERT, iupAttribGetBoolean(ih, "YAUTOHIDE"));
if (dy >= (ymax-ymin))
{
if (iupAttribGetBoolean(ih, "YAUTOHIDE"))
{
iupAttribSet(ih, "YHIDDEN", "YES");
ShowScrollBar(ih->handle, SB_VERT, FALSE);
SetScrollPos(ih->handle, SB_VERT, IUP_SB_MIN, FALSE);
}
else
{
EnableScrollBar(ih->handle, SB_VERT, ESB_DISABLE_BOTH);
SetScrollPos(ih->handle, SB_VERT, IUP_SB_MIN, TRUE);
}
ih->data->posy = (float)ymin;
return 1;
}
else
{
if (iupAttribGetBoolean(ih, "YAUTOHIDE"))
{
iupAttribSet(ih, "YHIDDEN", "NO");
ShowScrollBar(ih->handle, SB_VERT, TRUE);
}
else
EnableScrollBar(ih->handle, SB_VERT, ESB_ENABLE_BOTH);
/* also update position because it could have being changed */
iupCanvasCalcScrollRealPos(ymin, ymax, &posy,
IUP_SB_MIN, IUP_SB_MAX, ipagey, &iposy);
SetScrollPos(ih->handle, SB_VERT, iposy, TRUE);
ih->data->posy = (float)posy;
}
}
return 1;
}
static int winCanvasSetDXAttrib(Ihandle* ih, const char *value)
{
if (ih->data->sb & IUP_SB_HORIZ)
{
double posx, xmin, xmax;
float dx;
int iposx, ipagex;
if (!iupStrToFloatDef(value, &dx, 0.1f))
return 1;
xmin = iupAttribGetFloat(ih, "XMIN");
xmax = iupAttribGetFloat(ih, "XMAX");
posx = ih->data->posx;
iupCanvasCalcScrollIntPos(xmin, xmax, dx, posx,
IUP_SB_MIN, IUP_SB_MAX, &ipagex, &iposx);
winCanvasSetScrollInfo(ih->handle, IUP_SB_MIN, IUP_SB_MAX, ipagex, SB_HORZ, iupAttribGetBoolean(ih, "XAUTOHIDE"));
if (dx >= (xmax-xmin))
{
if (iupAttribGetBoolean(ih, "XAUTOHIDE"))
{
iupAttribSet(ih, "XHIDDEN", "YES");
ShowScrollBar(ih->handle, SB_HORZ, FALSE);
SetScrollPos(ih->handle, SB_HORZ, IUP_SB_MIN, FALSE);
}
else
{
EnableScrollBar(ih->handle, SB_HORZ, ESB_DISABLE_BOTH);
SetScrollPos(ih->handle, SB_HORZ, IUP_SB_MIN, TRUE);
}
ih->data->posx = (float)xmin;
}
else
{
if (iupAttribGetBoolean(ih, "XAUTOHIDE"))
{
iupAttribSet(ih, "XHIDDEN", "NO");
ShowScrollBar(ih->handle, SB_HORZ, TRUE);
}
else
EnableScrollBar(ih->handle, SB_HORZ, ESB_ENABLE_BOTH);
/* also update position because it could have being changed */
iupCanvasCalcScrollRealPos(xmin, xmax, &posx,
IUP_SB_MIN, IUP_SB_MAX, ipagex, &iposx);
SetScrollPos(ih->handle, SB_HORZ, iposx, TRUE);
ih->data->posx = (float)posx;
}
}
return 1;
}
static void motCanvasScrollbarCallback(Widget w, XtPointer client_data, XtPointer call_data)
{
int op = (int)client_data, ipage, ipos;
Ihandle *ih;
IFniff cb;
double posx, posy;
(void)call_data;
XtVaGetValues(w, XmNuserData, &ih, NULL);
if (!ih)
return;
XtVaGetValues(w,
XmNvalue, &ipos,
XmNpageIncrement, &ipage,
NULL);
if (op > IUP_SBDRAGV)
{
iupCanvasCalcScrollRealPos(iupAttribGetFloat(ih,"XMIN"), iupAttribGetFloat(ih,"XMAX"), &posx,
IUP_SB_MIN, IUP_SB_MAX, ipage, &ipos);
ih->data->posx = (float)posx;
posy = ih->data->posy;
}
else
{
iupCanvasCalcScrollRealPos(iupAttribGetFloat(ih,"YMIN"), iupAttribGetFloat(ih,"YMAX"), &posy,
IUP_SB_MIN, IUP_SB_MAX, ipage, &ipos);
ih->data->posy = (float)posy;
posx = ih->data->posx;
}
cb = (IFniff)IupGetCallback(ih,"SCROLL_CB");
if (cb)
cb(ih, op, (float)posx, (float)posy);
else
{
IFnff cb = (IFnff)IupGetCallback(ih,"ACTION");
if (cb)
cb (ih, (float)posx, (float)posy);
}
}
static int winCanvasSetDXAttrib(Ihandle* ih, const char *value)
{
if (ih->data->sb & IUP_SB_HORIZ)
{
double posx, xmin, xmax;
float dx;
int iposx, ipagex;
if (!iupStrToFloat(value, &dx))
return 1;
xmin = iupAttribGetFloat(ih, "XMIN");
xmax = iupAttribGetFloat(ih, "XMAX");
posx = ih->data->posx;
iupCanvasCalcScrollIntPos(xmin, xmax, dx, posx,
IUP_SB_MIN, IUP_SB_MAX, &ipagex, &iposx);
if (dx >= (xmax-xmin))
{
if (iupAttribGetBoolean(ih, "XAUTOHIDE"))
ShowScrollBar(ih->handle, SB_HORZ, FALSE);
else
EnableScrollBar(ih->handle, SB_HORZ, ESB_DISABLE_BOTH);
ih->data->posx = (float)xmin;
SetScrollPos(ih->handle, SB_HORZ, IUP_SB_MIN, TRUE);
return 1;
}
else
{
ShowScrollBar(ih->handle, SB_HORZ, TRUE);
EnableScrollBar(ih->handle, SB_HORZ, ESB_ENABLE_BOTH);
}
winCanvasSetScrollInfo(ih->handle, IUP_SB_MIN, IUP_SB_MAX, iposx, ipagex, SB_HORZ);
/* update position because it could be corrected */
iupCanvasCalcScrollRealPos(xmin, xmax, &posx,
IUP_SB_MIN, IUP_SB_MAX, ipagex, &iposx);
ih->data->posx = (float)posx;
}
return 1;
}
static int winCanvasSetDYAttrib(Ihandle *ih, const char *value)
{
if (ih->data->sb & IUP_SB_VERT)
{
double posy, ymin, ymax;
float dy;
int iposy, ipagey;
if (!iupStrToFloat(value, &dy))
return 1;
ymin = iupAttribGetFloat(ih, "YMIN");
ymax = iupAttribGetFloat(ih, "YMAX");
posy = ih->data->posy;
iupCanvasCalcScrollIntPos(ymin, ymax, dy, posy,
IUP_SB_MIN, IUP_SB_MAX, &ipagey, &iposy);
if (dy >= (ymax-ymin))
{
if (iupAttribGetBoolean(ih, "YAUTOHIDE"))
ShowScrollBar(ih->handle, SB_VERT, FALSE);
else
EnableScrollBar(ih->handle, SB_VERT, ESB_DISABLE_BOTH);
return 1;
}
else
{
ShowScrollBar(ih->handle, SB_VERT, TRUE);
EnableScrollBar(ih->handle, SB_VERT, ESB_ENABLE_BOTH);
}
winCanvasSetScrollInfo(ih->handle, IUP_SB_MIN, IUP_SB_MAX, iposy, ipagey, SB_VERT);
/* update position because it could be corrected */
iupCanvasCalcScrollRealPos(ymin, ymax, &posy,
IUP_SB_MIN, IUP_SB_MAX, ipagey, &iposy);
ih->data->posy = (float)posy;
}
return 1;
}
static void winCanvasUpdateVerScroll(Ihandle* ih, WORD winop)
{
IFniff cb;
double ymin, ymax, posy, liney;
int ipagey, iposy, iliney, op;
/* unused */
if (winop == SB_TOP ||
winop == SB_BOTTOM ||
winop == SB_ENDSCROLL)
return;
ymax = iupAttribGetFloat(ih,"YMAX");
ymin = iupAttribGetFloat(ih,"YMIN");
winCanvasGetScrollInfo(ih->handle, &iposy, &ipagey, SB_VERT, winop==SB_THUMBTRACK||winop==SB_THUMBPOSITION? 1: 0);
if (!iupAttribGet(ih, "LINEY"))
{
iliney = ipagey/10;
if (!iliney)
iliney = 1;
}
else
{
/* line and page convertions are the same */
liney = iupAttribGetFloat(ih,"LINEY");
iupCanvasCalcScrollIntPos(ymin, ymax, liney, 0,
IUP_SB_MIN, IUP_SB_MAX, &iliney, NULL);
}
switch (winop)
{
case SB_LINEDOWN:
iposy = iposy + iliney;
op = IUP_SBDN;
break;
case SB_LINEUP:
iposy = iposy - iliney;
op = IUP_SBUP;
break;
case SB_PAGEDOWN:
iposy = iposy + ipagey;
op = IUP_SBPGDN;
break;
case SB_PAGEUP:
iposy = iposy - ipagey;
op = IUP_SBPGUP;
break;
case SB_THUMBTRACK:
op = IUP_SBDRAGV;
break;
case SB_THUMBPOSITION:
op = IUP_SBPOSV;
break;
default:
return;
}
iupCanvasCalcScrollRealPos(ymin, ymax, &posy,
IUP_SB_MIN, IUP_SB_MAX, ipagey, &iposy);
SetScrollPos(ih->handle, SB_VERT, iposy, TRUE);
ih->data->posy = (float)posy;
cb = (IFniff)IupGetCallback(ih,"SCROLL_CB");
if (cb)
cb(ih, op, ih->data->posx,(float)posy);
else
{
IFnff cb = (IFnff)IupGetCallback(ih,"ACTION");
if (cb)
cb (ih, ih->data->posx, (float)posy);
}
}
static void winCanvasUpdateHorScroll(Ihandle* ih, WORD winop)
{
IFniff cb;
double xmin, xmax, posx, linex;
int ipagex, iposx, ilinex, op;
/* unused */
if (winop == SB_TOP ||
winop == SB_BOTTOM ||
winop == SB_ENDSCROLL)
return;
xmax = iupAttribGetFloat(ih,"XMAX");
xmin = iupAttribGetFloat(ih,"XMIN");
winCanvasGetScrollInfo(ih->handle, &iposx, &ipagex, SB_HORZ, winop==SB_THUMBTRACK||winop==SB_THUMBPOSITION? 1: 0);
if (!iupAttribGet(ih,"LINEX"))
{
ilinex = ipagex/10;
if (!ilinex)
ilinex = 1;
}
else
{
/* line and page convertions are the same */
linex = iupAttribGetFloat(ih,"LINEX");
iupCanvasCalcScrollIntPos(xmin, xmax, linex, 0,
IUP_SB_MIN, IUP_SB_MAX, &ilinex, NULL);
}
switch (winop)
{
case SB_LINEDOWN:
iposx = iposx + ilinex;
op = IUP_SBRIGHT;
break;
case SB_LINEUP:
iposx = iposx - ilinex;
op = IUP_SBLEFT;
break;
case SB_PAGEDOWN:
iposx = iposx + ipagex;
op = IUP_SBPGRIGHT;
break;
case SB_PAGEUP:
iposx = iposx - ipagex;
op = IUP_SBPGLEFT;
break;
case SB_THUMBTRACK:
op = IUP_SBDRAGH;
break;
case SB_THUMBPOSITION:
op = IUP_SBPOSH;
break;
default:
return;
}
iupCanvasCalcScrollRealPos(xmin, xmax, &posx,
IUP_SB_MIN, IUP_SB_MAX, ipagex, &iposx);
SetScrollPos(ih->handle, SB_HORZ, iposx, TRUE);
ih->data->posx = (float)posx;
cb = (IFniff)IupGetCallback(ih,"SCROLL_CB");
if (cb)
cb(ih,op,(float)posx,ih->data->posy);
else
{
IFnff cb = (IFnff)IupGetCallback(ih,"ACTION");
if (cb)
cb (ih, (float)posx, ih->data->posy);
}
}
static int motCanvasSetDYAttrib(Ihandle* ih, const char *value)
{
if (ih->data->sb & IUP_SB_VERT)
{
double posy, ymin, ymax, liney;
float dy;
int iposy, ipagey, iliney;
Widget sb_vert = (Widget)iupAttribGet(ih, "_IUPMOT_SBVERT");
if (!sb_vert) return 1;
if (!iupStrToFloatDef(value, &dy, 0.1f))
return 1;
ymin = iupAttribGetFloat(ih, "YMIN");
ymax = iupAttribGetFloat(ih, "YMAX");
posy = ih->data->posy;
iupCanvasCalcScrollIntPos(ymin, ymax, dy, posy,
IUP_SB_MIN, IUP_SB_MAX, &ipagey, &iposy);
if (!iupAttribGet(ih,"LINEY"))
{
iliney = ipagey/10;
if (!iliney)
iliney = 1;
}
else
{
/* line and page conversions are the same */
liney = iupAttribGetFloat(ih,"LINEY");
iupCanvasCalcScrollIntPos(ymin, ymax, liney, 0,
IUP_SB_MIN, IUP_SB_MAX, &iliney, NULL);
}
if (dy >= (ymax-ymin))
{
if (iupAttribGetBoolean(ih, "YAUTOHIDE"))
{
if (XtIsManaged(sb_vert))
{
XtUnmanageChild(sb_vert);
motCanvasUpdateScrollLayout(ih);
}
iupAttribSet(ih, "YHIDDEN", "YES");
}
else
XtSetSensitive(sb_vert, False);
ih->data->posy = (float)ymin;
XtVaSetValues(sb_vert, XmNvalue, IUP_SB_MIN, NULL);
}
else
{
if (!XtIsManaged(sb_vert))
{
XtManageChild(sb_vert);
motCanvasUpdateScrollLayout(ih);
}
XtSetSensitive(sb_vert, True);
motCanvasSetScrollInfo(sb_vert, IUP_SB_MIN, IUP_SB_MAX, iposy, ipagey, iliney);
/* update position because it could have being changed */
iupCanvasCalcScrollRealPos(ymin, ymax, &posy,
IUP_SB_MIN, IUP_SB_MAX, ipagey, &iposy);
iupAttribSet(ih, "YHIDDEN", "NO");
ih->data->posy = (float)posy;
}
}
return 1;
}
static int motCanvasSetDXAttrib(Ihandle* ih, const char *value)
{
if (ih->data->sb & IUP_SB_HORIZ)
{
double posx, xmin, xmax, linex;
float dx;
int iposx, ipagex, ilinex;
Widget sb_horiz = (Widget)iupAttribGet(ih, "_IUPMOT_SBHORIZ");
if (!sb_horiz) return 1;
if (!iupStrToFloatDef(value, &dx, 0.1f))
return 1;
xmin = iupAttribGetFloat(ih, "XMIN");
xmax = iupAttribGetFloat(ih, "XMAX");
posx = ih->data->posx;
iupCanvasCalcScrollIntPos(xmin, xmax, dx, posx,
IUP_SB_MIN, IUP_SB_MAX, &ipagex, &iposx);
if (!iupAttribGet(ih,"LINEX"))
{
ilinex = ipagex/10;
if (!ilinex)
ilinex = 1;
}
else
{
/* line and page conversions are the same */
linex = iupAttribGetFloat(ih,"LINEX");
iupCanvasCalcScrollIntPos(xmin, xmax, linex, 0,
IUP_SB_MIN, IUP_SB_MAX, &ilinex, NULL);
}
if (dx >= (xmax-xmin))
{
if (iupAttribGetBoolean(ih, "XAUTOHIDE"))
{
if (XtIsManaged(sb_horiz))
{
XtUnmanageChild(sb_horiz);
motCanvasUpdateScrollLayout(ih);
}
iupAttribSet(ih, "XHIDDEN", "YES");
}
else
XtSetSensitive(sb_horiz, False);
ih->data->posx = (float)xmin;
XtVaSetValues(sb_horiz, XmNvalue, IUP_SB_MIN, NULL);
}
else
{
if (!XtIsManaged(sb_horiz))
{
XtManageChild(sb_horiz);
motCanvasUpdateScrollLayout(ih);
}
XtSetSensitive(sb_horiz, True);
motCanvasSetScrollInfo(sb_horiz, IUP_SB_MIN, IUP_SB_MAX, iposx, ipagex, ilinex);
/* update position because it could have being changed */
iupCanvasCalcScrollRealPos(xmin, xmax, &posx,
IUP_SB_MIN, IUP_SB_MAX, ipagex, &iposx);
iupAttribSet(ih, "XHIDDEN", "NO");
ih->data->posx = (float)posx;
}
}
return 1;
}