/*----------------------------------------------------------------------*/
static Dimension
GetHeight(Widget w)
{
Dimension min_height;
Dimension height;
/* Compute the min possible height */
min_height = 2 * _XfeHighlightThickness(w) + 2 * _XfeShadowThickness(w);
/* A reasonable preferred height is needed */
assert( _XfePreferredHeight(w) > 0 );
assert( _XfePreferredHeight(w) >= min_height );
/* Force the preferred height if needed */
if (_XfeUsePreferredHeight(w) ||
(_XfeHeight(w) == XfeDEFAULT_PREFERRED_HEIGHT) ||
(_XfeHeight(w) <= min_height))
{
height = _XfePreferredHeight(w);
}
else
{
height = _XfeHeight(w);
}
return height;
}
/*----------------------------------------------------------------------*/
static Position
GetPointerY(Widget w)
{
Window root;
Window child;
int rx;
int ry;
int cx;
int cy;
unsigned int mask;
if (XQueryPointer(XtDisplay(w),_XfeWindow(w),&root,&child,
&rx,&ry,&cx,&cy,&mask))
{
cy -= _XfeY(w);
if (cy < 0)
{
cy = 0;
}
if (cy > _XfeHeight(w))
{
cy = _XfeHeight(w);
}
return cy;
}
return 0;
}
/*----------------------------------------------------------------------*/
static void
LayoutTitle(Widget w)
{
XfeFancyBoxPart * fp = _XfeFancyBoxPart(w);
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
int x;
int total_icon_width = 0;
if (_XfeIsAlive(fp->icon))
{
x = _XfeX(fp->icon) + _XfeWidth(fp->icon);
total_icon_width = _XfeWidth(fp->icon) + cp->spacing;
}
else
{
x = CB_OFFSET_LEFT(w,cp) + cp->title_shadow_thickness;
}
_XfeConfigureWidget(cp->title,
x,
(_XfeHeight(w) - _XfeHeight(cp->title)) / 2,
CB_RECT_WIDTH(w,cp) -
cp->spacing -
_XfeWidth(cp->arrow) -
total_icon_width -
2 * cp->title_shadow_thickness,
CB_RECT_HEIGHT(w,cp) -
2 * cp->title_shadow_thickness);
}
/*----------------------------------------------------------------------*/
/* extern */ Dimension
XfeVaGetTallestWidget(Widget widget, ...)
{
va_list vargs;
Widget current;
Dimension height;
Dimension widest_height;
/*
* Get the first widget's height
* (because of the way var args works
* we have to start the loop at the second widget)
*/
widest_height = _XfeHeight(widget);
/*
* Get the widest height
*/
va_start (vargs, widget);
while ((current = va_arg (vargs, Widget)))
{
height = _XfeHeight(current);
if (height > widest_height)
{
widest_height = height;
}
}
va_end (vargs);
return widest_height;
}
/*----------------------------------------------------------------------*/
static void
DrawHighlight(Widget w,XEvent * event,Region region,XRectangle * clip_rect)
{
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
/* Make sure the highlight is needed */
if (!cp->highlight_thickness || !_XfeIsRealized(w))
{
return;
}
if (cp->highlighted)
{
_XmDrawSimpleHighlight(XtDisplay(w),
_XfeWindow(w),
_XfemHighlightGC(w),
0,0,
_XfeWidth(w),_XfeHeight(w),
cp->highlight_thickness);
}
else
{
assert( XmIsManager(_XfeParent(w)) );
_XmDrawSimpleHighlight(XtDisplay(w),
_XfeWindow(w),
_XfemBackgroundGC(_XfeParent(w)),
0,0,
_XfeWidth(w),_XfeHeight(w),
cp->highlight_thickness);
}
}
/*----------------------------------------------------------------------*/
/* extern */ Boolean
XfeMenuIsFull(Widget menu)
{
Dimension screen_height;
Widget last;
assert( _XfeIsAlive(menu) );
assert( XmIsRowColumn(menu) );
screen_height = XfeScreenHeight(menu);
last = XfeChildrenGetLast(menu);
if (!last)
{
return False;
}
/*
* The menu is "full" if its height plus that of a potential new child
* are longer than the screen height. Assume the new child will be
* the same height as the last child in the menu.
*/
if ((_XfeHeight(menu) + (3 * _XfeHeight(last))) > XfeScreenHeight(menu))
{
return True;
}
return False;
}
/*----------------------------------------------------------------------*/
static void
AccentUpdate(Widget w,Position y)
{
unsigned char new_accent_type = XmACCENT_NONE;
XfeBmButtonPart * bmp = _XfeBmButtonPart(w);
Dimension half = _XfeHeight(w) / 2;
/* Determine the new accent */
if ( (y <= half) && (y >= 0) )
{
new_accent_type = XmACCENT_TOP;
}
else if ( (y > half) && (y <= _XfeHeight(w)) )
{
new_accent_type = XmACCENT_BOTTOM;
}
/* Make sure the new accent has changed */
if (new_accent_type == bmp->accent_type)
{
return;
}
AccentErase(w);
bmp->accent_type = new_accent_type;
AccentDraw(w);
}
/*----------------------------------------------------------------------*/
/* extern */ Dimension
_XfeHeightCenter(Widget one,Widget two)
{
assert( one != NULL );
assert( _XfeIsAlive(one) );
assert( two != NULL );
assert( _XfeIsAlive(two) );
return
(_XfeHeight(one) > _XfeHeight(two)) ?
((_XfeHeight(one) - _XfeHeight(two)) / 2) :
0;
}
/*----------------------------------------------------------------------*/
static void
AccentBottom(Widget w,
GC top_gc,
GC bottom_gc,
Dimension offset_left,
Dimension offset_right,
Dimension shadow_thickness,
Dimension accent_thickness,
int code)
{
Widget pw = _XfeParent(w);
int position_index = XfeMenuItemPositionIndex(w);
Cardinal num_children = _XfemNumChildren(pw);
Position x;
Position y;
Dimension width;
Dimension height = 2 * shadow_thickness + accent_thickness;
assert( code == ACCENT_DRAW || code == ACCENT_ERASE );
/* Last item */
if (position_index == (num_children - 1))
{
x = _XfeX(w) + offset_left;
y = _XfeY(w) + _XfeHeight(w) - height;
width = _XfeWidth(w) - offset_left - offset_right;
}
/* Any other item */
else
{
x = _XfeX(w) + offset_left;
y = _XfeY(w) + _XfeHeight(w) - height / 2;
width = _XfeWidth(w) - offset_left - offset_right;
}
if (code == ACCENT_DRAW)
{
/* Draw accent */
_XmDrawShadows(XtDisplay(pw),_XfeWindow(pw),top_gc,bottom_gc,
x,y,width,height,shadow_thickness,XmSHADOW_IN);
}
else
{
/* Erase accent */
XfeDrawRectangle(XtDisplay(pw),_XfeWindow(pw),top_gc,
x,y,width,height,shadow_thickness);
}
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeBiggestWidget(Boolean horizontal,WidgetList widgets,Cardinal n)
{
Dimension biggest_dim = 0;
Dimension dim;
Widget max_widget = NULL;
Widget widget;
Cardinal i;
assert( widgets != NULL );
if (!widgets)
{
return NULL;
}
for (i = 0; i < n; i++)
{
widget = widgets[i];
assert( _XfeIsAlive(widget) );
dim = (horizontal ? _XfeWidth(widget) : _XfeHeight(widget));
if (dim > biggest_dim)
{
biggest_dim = dim;
max_widget = widget;
}
}
return max_widget;
}
/*----------------------------------------------------------------------*/
/* extern */ void
_XfeConfigureOrHideWidget(Widget w,int x,int y,int width,int height)
{
assert( _XfeIsAlive(w) );
/* Make sure the widget is alive */
if (!_XfeIsAlive(w))
{
return;
}
/* Make sure the positions and dimensions are different */
if ((_XfeX(w) == x) && (_XfeY(w) == y) &&
(_XfeWidth(w) == width) && (_XfeHeight(w) == height))
{
return;
}
/* Hide the widget if its dimensions are less thanb zero */
if (!width || !height)
{
_XfeSetMappedWhenManaged(w,False);
return;
}
_XfeConfigureWidget(w,x,y,width,height);
/* Show the widget */
_XfeSetMappedWhenManaged(w,True);
}
/*----------------------------------------------------------------------*/
/* extern */ void
_XfeResizeWidget(Widget w,int width,int height)
{
assert( _XfeIsAlive(w) );
#if 0
printf("_XfeResizeWidget(%s,%d,%d)\n",XtName(w),width,height);
#endif
#if 0
assert( width > 0 );
assert( height > 0 );
#endif
/* Ignore this request if width or height are 0 */
if (!width || !height)
{
return;
}
/* Make sure the dimension are different */
if ((_XfeWidth(w) == width) && (_XfeHeight(w) == height))
{
return;
}
_XfeConfigureWidget(w,_XfeX(w),_XfeY(w),width,height);
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeDrawShadowsAroundWidget(Widget parent,
Widget child,
GC top_gc,
GC bottom_gc,
Dimension offset,
Dimension shadow_thickness,
unsigned char shadow_type)
{
assert( _XfeIsAlive(parent) );
assert( _XfeIsAlive(child) );
assert( shadow_thickness > 0 );
assert( XmIsManager(parent) );
_XmDrawShadows(XtDisplay(parent),
_XfeWindow(parent),
_XfemTopShadowGC(parent),
_XfemBottomShadowGC(parent),
_XfeX(child) - shadow_thickness - offset,
_XfeY(child) - shadow_thickness - offset,
_XfeWidth(child) + 2 * shadow_thickness + 2 * offset,
_XfeHeight(child) + 2 * shadow_thickness + 2 * offset,
shadow_thickness,
shadow_type);
}
/*----------------------------------------------------------------------*/
static XtGeometryResult
QueryGeometry(Widget w,XtWidgetGeometry *req,XtWidgetGeometry *reply)
{
assert( req != NULL );
assert( reply != NULL );
reply->request_mode = CWWidth | CWHeight;
/* Set the reply dimensions */
reply->width = GetWidth(w);
reply->height = GetHeight(w);
/* XtGeometryYes: Request matches Prefered Geometry. */
if (((req->request_mode & CWWidth) && (req->width == reply->width)) &&
((req->request_mode & CWHeight) && (req->height == reply->height)))
{
return XtGeometryYes;
}
/* XtGeometryNo: Reply matches current Geometry. */
if ((reply->width == _XfeWidth(w)) && (reply->height == _XfeHeight(w)))
{
return XtGeometryNo;
}
/* XtGeometryAlmost: One of reply fields doesn't match cur/req Geometry. */
return XtGeometryAlmost;
}
/*----------------------------------------------------------------------*/
static void
LayoutArrow(Widget w)
{
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
_XfeConfigureWidget(cp->arrow,
_XfeWidth(w) -
CB_OFFSET_RIGHT(w,cp) -
_XfeWidth(cp->arrow),
(_XfeHeight(w) - _XfeHeight(cp->arrow)) / 2,
_XfeWidth(cp->arrow),
_XfeHeight(cp->arrow));
}
/*----------------------------------------------------------------------*/
static void
PreferredGeometry(Widget w,Dimension * width,Dimension * height)
{
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
*height =
CB_OFFSET_TOP(w,cp) + CB_OFFSET_BOTTOM(w,cp) +
XfeMax(_XfeHeight(cp->title),_XfeHeight(cp->arrow)) +
2 * cp->title_shadow_thickness;
*width =
CB_OFFSET_LEFT(w,cp) + CB_OFFSET_RIGHT(w,cp) +
_XfeWidth(cp->title) +
cp->spacing +
_XfeWidth(cp->arrow) +
2 * cp->title_shadow_thickness;
}
/*----------------------------------------------------------------------*/
/* extern */ Dimension
XfeHeight(Widget w)
{
assert( w != NULL );
#if DEBUG_DIMENSIONS
{
Dimension height;
XtVaGetValues(w,XmNheight,&height,NULL);
assert( height == _XfeHeight(w) );
}
#endif
return _XfeHeight(w);
}
/*----------------------------------------------------------------------*/
static void
ActionPopup(Widget item,XEvent * event,char ** params,Cardinal * nparams)
{
Widget w = XfeIsComboBox(item) ? item : _XfeParent(item);
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
int space_below = ScreenGetSpaceBelow(w);
int space_above = ScreenGetSpaceAbove(w);
#if 1
printf("ActionPopup(%s,above = %d,below = %d)\n",
XtName(w),
space_above,
space_below);
#endif
/* Check if we are already popped up */
if (cp->popped_up)
{
printf("already popped up\n");
StickRemoveTimeout(w);
ListUnmanage(w);
XtVaSetValues(cp->arrow,XmNarmed,False,NULL);
return;
}
space_below = 200;
_XfeConfigureWidget(cp->shell,
XfeRootX(w),
XfeRootY(w) + _XfeHeight(w),
_XfeWidth(w),
space_below);
/* XtVaSetValues(cp->list, */
/* XmNlistMarginWidth, 100, */
/* NULL); */
/* XtVaSetValues(cp->arrow,XmCArmed,True,NULL); */
/* XtPopup(cp->shell,XtGrabNone); */
/* XMapRaised(XtDisplay(w),_XfeWindow(cp->shell)); */
/* XMapRaised(XtDisplay(w),_XfeWindow(cp->shell)); */
cp->remain_popped_up = False;
#if 1
StickAddTimeout(w);
#endif
XtVaSetValues(cp->arrow,XmNarmed,True,NULL);
ListManage(w);
}
/*----------------------------------------------------------------------*/
static void
DrawPixmap(Widget w,XEvent *event,Region region)
{
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
XmLabelPart * lp = _XfeXmLabelPart(w);
Pixmap pixmap = XmUNSPECIFIED_PIXMAP;
Pixmap mask = XmUNSPECIFIED_PIXMAP;
Boolean armed = CB_IsArmed(w);
if (armed && _XfePixmapGood(bmc->arm_pixmap))
{
pixmap = bmc->arm_pixmap;
if (_XfePixmapGood(bmc->arm_pixmap_mask))
{
mask = bmc->arm_pixmap_mask;
}
}
else if (_XfePixmapGood(lp->pixmap) &&
bmc->pixmap_width && bmc->pixmap_height)
{
pixmap = lp->pixmap;
if (_XfePixmapGood(bmc->label_pixmap_mask))
{
mask = bmc->label_pixmap_mask;
}
}
if (_XfePixmapGood(pixmap))
{
Position x = _XfePrimitiveOffset(w) + lp->margin_width;
Position y = (_XfeHeight(w) - bmc->pixmap_height) / 2;
if (_XfePixmapGood(mask))
{
XSetClipOrigin(XtDisplay(w),bmc->pixmap_GC,x,y);
XSetClipMask(XtDisplay(w),bmc->pixmap_GC,mask);
}
else
{
XSetClipMask(XtDisplay(w),bmc->pixmap_GC,None);
}
XCopyArea(XtDisplay(w),
pixmap,
_XfeWindow(w),
bmc->pixmap_GC,
0,0,
bmc->pixmap_width,
bmc->pixmap_height,
x,
y);
}
}
/*----------------------------------------------------------------------*/
static void
LayoutTitle(Widget w)
{
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
_XfeConfigureWidget(cp->title,
CB_OFFSET_LEFT(w,cp) + cp->title_shadow_thickness,
(_XfeHeight(w) - _XfeHeight(cp->title)) / 2,
CB_RECT_WIDTH(w,cp) -
cp->spacing -
_XfeWidth(cp->arrow) -
2 * cp->title_shadow_thickness,
CB_RECT_HEIGHT(w,cp) -
2 * cp->title_shadow_thickness);
}
/*----------------------------------------------------------------------*/
static void
AccentUpdate(Widget w,Position y)
{
unsigned char new_accent_type = XmACCENT_NONE;
XfeBmCascadePart * bmc = _XfeBmCascadePart(w);
Dimension one_fourth = _XfeHeight(w) / 4;
/* Determine the new accent */
if (XfeBmAccentGetFileMode() == XmACCENT_FILE_ANYWHERE)
{
if ( (y <= one_fourth) && (y >= 0) )
{
new_accent_type = XmACCENT_TOP;
}
else if ( (y > (_XfeHeight(w) - one_fourth)) && (y <= _XfeHeight(w)) )
{
new_accent_type = XmACCENT_BOTTOM;
}
else if ( (y > one_fourth) && (y <= (_XfeHeight(w) - one_fourth)))
{
new_accent_type = XmACCENT_ALL;
}
}
else
{
if ( (y >= 0) && (y <= _XfeHeight(w)) )
{
new_accent_type = XmACCENT_ALL;
}
}
/* Make sure the new accent has changed */
if (new_accent_type == bmc->accent_type)
{
return;
}
AccentErase(w);
bmc->accent_type = new_accent_type;
AccentDraw(w);
}
/*----------------------------------------------------------------------*/
/* extern */ void
_XfePreferredGeometry(Widget w,Dimension *width_out,Dimension *height_out)
{
Dimension width;
Dimension height;
assert( _XfeIsAlive(w) );
if (XfeIsPrimitive(w))
{
width = _XfePreferredWidth(w);
height = _XfePreferredHeight(w);
}
else if (XfeIsManager(w))
{
width = _XfemPreferredWidth(w);
height = _XfemPreferredHeight(w);
}
else
{
XtWidgetGeometry reply;
XtQueryGeometry(w,NULL,&reply);
if (reply.request_mode & CWWidth)
{
width = reply.width;
}
else
{
width = _XfeWidth(w);
}
if (reply.request_mode & CWHeight)
{
height = reply.height;
}
else
{
height = _XfeHeight(w);
}
}
if (width_out)
{
*width_out = width;
}
if (height_out)
{
*height_out = height;
}
}
/*----------------------------------------------------------------------*/
void
_XfePrimitiveDrawBuffer(Widget w,XEvent * event,Region region)
{
XCopyArea(XtDisplay(w),
_XfePrimitiveDrawable(w),
_XfeWindow(w),
_XfeBackgroundGC(w),
_XfeHighlightThickness(w),_XfeHighlightThickness(w),
_XfeWidth(w) - 2 * _XfeHighlightThickness(w),
_XfeHeight(w) - 2 * _XfeHighlightThickness(w),
_XfeHighlightThickness(w),_XfeHighlightThickness(w));
}
/*----------------------------------------------------------------------*/
static void
BufferAllocate(Widget w)
{
assert( _XfeBufferType(w) != XmBUFFER_NONE );
switch(_XfeBufferType(w))
{
/* Single buffer: allocate a buffer big enough for widget */
case XmBUFFER_PRIVATE:
_XfeBufferPixmap(w) = XCreatePixmap(XtDisplay(w),
DefaultRootWindow(XtDisplay(w)),
_XfeWidth(w),
_XfeHeight(w),
_XfeDepth(w));
#if 0
printf("%s: Allocating a private buffer at (%d,%d)\n",
XtName(w),
_XfeWidth(w),_XfeHeight(w));
#endif
break;
/* Multiple buffer: ask the buffer manager for a buffer */
case XmBUFFER_SHARED:
#if 0
printf("%s: Allocating a shared buffer at (%d,%d)\n",
XtName(w),
_XfeWidth(w),_XfeHeight(w));
#endif
_XfeBufferPixmap(w) = _XfePixmapBufferAllocate(w);
break;
}
}
/*----------------------------------------------------------------------*/
static void
DrawShadow(Widget w,XEvent * event,Region region,XRectangle * clip_rect)
{
/* Draw the shadow */
_XmDrawShadows(XtDisplay(w),
_XfePrimitiveDrawable(w),
_XfeTopShadowGC(w),_XfeBottomShadowGC(w),
_XfeHighlightThickness(w),
_XfeHighlightThickness(w),
_XfeWidth(w) - 2 * _XfeHighlightThickness(w),
_XfeHeight(w) - 2 * _XfeHighlightThickness(w),
_XfeShadowThickness(w),
_XfeShadowType(w));
}
/*----------------------------------------------------------------------*/
void
_XfePrimitiveClearBackground(Widget w)
{
/* Clear the widget background including margins */
if (_XfeBufferType(w) == XmBUFFER_NONE)
{
XClearArea(XtDisplay(w),_XfeWindow(w),
_XfeHighlightThickness(w),_XfeHighlightThickness(w),
_XfeWidth(w) - 2 * _XfeHighlightThickness(w),
_XfeHeight(w) - 2 * _XfeHighlightThickness(w),
False);
/*XClearWindow(XtDisplay(w),_XfeWindow(w));*/
}
else
{
XFillRectangle(XtDisplay(w),
_XfePrimitiveDrawable(w),
_XfeBackgroundGC(w),
0,0,
_XfeWidth(w),_XfeHeight(w));
}
}
/*----------------------------------------------------------------------*/
static void
IconLayout(Widget w)
{
XfeFancyBoxPart * fp = _XfeFancyBoxPart(w);
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
if (!_XfeIsAlive(fp->icon))
{
return;
}
_XfeConfigureWidget(fp->icon,
CB_OFFSET_LEFT(w,cp) +
cp->title_shadow_thickness +
cp->spacing,
(_XfeHeight(w) - _XfeHeight(fp->icon)) / 2,
_XfeWidth(fp->icon),
_XfeHeight(fp->icon));
}
/*----------------------------------------------------------------------*/
static void
UpdateRect(Widget w)
{
/* Assign the rect coordinates */
XfeRectSet(&_XfeWidgetRect(w),
_XfeOffsetLeft(w),
_XfeOffsetTop(w),
_XfeWidth(w) - _XfeOffsetLeft(w) - _XfeOffsetRight(w),
_XfeHeight(w) - _XfeOffsetTop(w) - _XfeOffsetBottom(w));
}
/*----------------------------------------------------------------------*/
static void
DrawBackground(Widget w,XEvent *event,Region region,XRectangle * clip_rect)
{
XfeArrowPart * ap = _XfeArrowPart(w);
XfeButtonPart * bp = _XfeButtonPart(w);
if (bp->emulate_motif)
{
return;
}
#if 0
(*xfeButtonClassRec.xfe_primitive_class.draw_background)(w,
event,
region,
clip_rect);
#else
/* Fill the background if needed */
if (bp->fill_on_arm && bp->armed)
{
XFillRectangle(XtDisplay(w),
_XfePrimitiveDrawable(w),
bp->armed_GC,
0,0,
_XfeWidth(w),_XfeHeight(w));
}
else if (bp->fill_on_enter && (bp->raised || _XfePointerInside(w)))
{
XFillRectangle(XtDisplay(w),
_XfePrimitiveDrawable(w),
bp->label_raised_GC,
0,0,
_XfeWidth(w),_XfeHeight(w));
}
#endif
}
/*----------------------------------------------------------------------*/
static void
DrawTitleShadow(Widget w,XEvent * event,Region region,XRectangle * clip_rect)
{
XfeFancyBoxPart * fp = _XfeFancyBoxPart(w);
XfeComboBoxPart * cp = _XfeComboBoxPart(w);
/* Make sure the shadow is needed */
if (!cp->title_shadow_thickness)
{
return;
}
if (_XfeIsAlive(fp->icon))
{
Dimension icon_x1 = _XfeX(fp->icon) - cp->spacing;
Dimension title_x2 = _XfeX(cp->title) + _XfeWidth(cp->title);
/* Draw the shadow around the icon and text */
_XmDrawShadows(XtDisplay(w),
_XfeWindow(w),
_XfemTopShadowGC(w),_XfemBottomShadowGC(w),
CB_OFFSET_LEFT(w,cp),
_XfeY(cp->title) -
cp->title_shadow_thickness,
(title_x2 - icon_x1) +
2 * cp->title_shadow_thickness,
_XfeHeight(cp->title) +
2 * cp->title_shadow_thickness,
cp->title_shadow_thickness,
cp->title_shadow_type);
}
else
{
/* Draw the shadow around the text only */
XfeDrawShadowsAroundWidget(w,
cp->title,
_XfemTopShadowGC(w),
_XfemBottomShadowGC(w),
0,
cp->title_shadow_thickness,
cp->title_shadow_type);
}
}
