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 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;
}