void CSkinScrollBar::SetScrollPos(int nPos)
{
if (m_nScrollPos == nPos)
return;
m_nScrollPos = nPos;
if (m_nScrollPos < 0)
m_nScrollPos = 0;
if (m_nScrollPos > m_nRange)
m_nScrollPos = m_nRange;
CalcScrollBarData();
Invalidate();
}
void CSkinScrollBar::SetScrollRange(int nRange)
{
if (m_nRange == nRange)
return;
m_nRange = nRange;
if (m_nRange < 0)
m_nRange = 0;
if (m_nScrollPos > m_nRange)
m_nScrollPos = m_nRange;
CalcScrollBarData();
Invalidate();
}
void CSkinScrollBar::SetShowLeftUpBtn(BOOL bShow)
{
m_bShowLeftUpBtn = bShow;
CalcScrollBarData();
}
void CSkinScrollBar::SetRect(RECT * lpRect)
{
if (lpRect != NULL)
m_rcScrollBar = *lpRect;
CalcScrollBarData();
}
void CSkinScrollBar::SetShowRightDownBtn(BOOL bShow)
{
m_bShowRightDownBtn = bShow;
CalcScrollBarData();
}
void
AutoDragSliderValue(
int location,
int XCoord,
int YCoord,
int mask,
int XButton )
{
int x, y, widget_class_code, n;
int maximum, minimum, value;
Boolean invalid = False;
XisObjectRecord *object;
Widget widget, tmp_widget;
CompositeWidget cw;
XmScrollBarWidget sb_widget;
Boolean IsScale = False;
Arg args[5];
short s_x1, s_y1, s_width1, s_height1;
short s_x2, s_y2, s_width2, s_height2;
short change_x, change_y;
int value1, value2, slider_size, slidersize;
xisGetPointerLocation(&x,&y);
object = xisFindObjectAtLocation(x, y);
widget = (Widget) object->id.widget;
if (widget == NULL)
AutoError(_AutoMessages[SCRMSG18]);
tmp_widget = XtParent(widget);
widget_class_code = mvsGetClassCode(tmp_widget);
if (widget_class_code == mvsXmScaleWidgetClass) {
widget = tmp_widget;
IsScale = True;
}
widget_class_code = mvsGetClassCode(widget);
if (widget_class_code != mvsXmScaleWidgetClass)
if (widget_class_code != mvsXmScrollBarWidgetClass) {
AutoMessage(_AutoMessages[SCRMSG19]);
return;
}
n = 0;
XtSetArg(args[n], XmNvalue, &value); n++;
XtSetArg(args[n], XmNminimum, &minimum); n++;
XtSetArg(args[n], XmNmaximum, &maximum); n++;
XtSetArg(args[n], XmNsliderSize, &slidersize); n++;
XtGetValues(widget, args, n);
if (! IsScale && XCoord == AUTOMAX)
XCoord = maximum - slidersize;
else
if (! IsScale && XCoord != AUTOMIN)
XCoord = (int) (((maximum - slidersize) * XCoord) / 100);
if (XCoord == AUTOMAX && IsScale)
XCoord = maximum;
if (XCoord == AUTOMIN)
XCoord = minimum;
/* We know that the second composite child is the Scrollbar child */
if (IsScale) {
cw = (CompositeWidget) widget;
sb_widget = (XmScrollBarWidget) cw->composite.children[SCROLLBAR_CHILD];
widget_class_code = mvsGetClassCode((Widget) sb_widget);
if (widget_class_code != mvsXmScrollBarWidgetClass)
AutoError(_AutoMessages[SCRMSG20]);
CalcScrollBarData((XmScaleWidget)widget, value, &value1, &slider_size);
CalcScrollBarData((XmScaleWidget)widget, XCoord, &value2, &slider_size);
CalcSliderRect(sb_widget, &s_x1, &s_y1, &s_width1, &s_height1, value1);
CalcSliderRect(sb_widget, &s_x2, &s_y2, &s_width2, &s_height2, value2);
}
else {
CalcSliderRect((XmScrollBarWidget)widget, &s_x1, &s_y1,
&s_width1, &s_height1, value);
CalcSliderRect((XmScrollBarWidget)widget, &s_x2, &s_y2,
&s_width2, &s_height2, XCoord);
}
change_x = abs(s_x2 - s_x1);
change_y = abs(s_y2 - s_y1);
switch(location) {
case DOWN: x = 0;
y = change_y;
break;
case UP: x = 0;
y = -change_y;
break;
case RIGHT: y = 0;
x = change_x;
break;
case LEFT: y = 0;
x = -change_x;
break;
default: invalid = True;
AutoMessage(_AutoMessages[SCRMSG3]);
break;
}
if (!invalid) {
xisPressMouseButton(mask, XButton);
xisMovePointerRelative(x, y);
xisReleaseMouseButton(mask, XButton);
}
}
