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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: basic.cc,v 1.5 1998/09/07 05:28:40 jgg Exp $
/* ######################################################################
BasicWidget - Base class for many of the widgets
This is a very simple widget, just does some draw commands..
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#ifdef __GNUG__
#pragma implementation "deity/basic.h"
#endif
#include <deity/basic.h>
#include <deity/utils.h>
#include <math.h>
/*}}}*/
// BasicWidget::BasicWidget - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
BasicWidget::BasicWidget(Widget *Parent) : Widget(Parent),
iFont("helvetica",120), iMargins(0,0)
{
iBackground = Wc_LightGray;
iBorderUl = Wc_White;
iBorderLr = Wc_Gray;
iColor = Wc_Black;
iBorderWidth = 1;
iBFlags = 0;
BorderX = BorderY = iBorderWidth;
}
/*}}}*/
// BasicWidget::BasicRender - Fill the background and draw a border /*{{{*/
// ---------------------------------------------------------------------
/* The last thing this rountine will do is configure the GC for the proper
font and colours. It does not push a clipping region onto the clipping
stack, derived widgets will have to deal with that. */
void BasicWidget::BasicRender(CombinedGC &GC,bool Clear)
{
// Render a nice 3d box of variable width
if (GC.IsGraphic() == true)
{
int Width = iBorderWidth;
if (IsBFlag(EtchBorder) == true)
Width = (int)ceil(iBorderWidth/2.0);
if (Clear == true && IsBFlag(EtchBorder) == false)
GC.gGC->Box3d(Rect(0,0,Pos.w,Pos.h),iBorderUl,iBorderLr,
iBackground,Width);
else
GC.gGC->Box3d(Rect(0,0,Pos.w,Pos.h),iBorderUl,iBorderLr,
Wc_None,Width);
if (IsBFlag(EtchBorder) == true)
{
int NWidth = iBorderWidth - Width;
if (Clear == true)
GC.gGC->Box3d(Rect(Width,Width,Pos.w - 2*Width,Pos.h-2*Width),
iBorderLr,iBorderUl,iBackground,NWidth);
else
GC.gGC->Box3d(Rect(Width,Width,Pos.w - 2*Width,Pos.h-2*Width),
iBorderLr,iBorderUl,Wc_None,NWidth);
}
}
// Render whatever box the text impl can give us
if (GC.IsText() != 0)
{
if (Clear == true)
{
GC.tGC->SetColor(iBackground);
GC.tGC->Fill(Rect(0,0,Pos.w,Pos.h));
}
GC.tGC->SetColor(iBorderLr);
GC.tGC->Background(iBackground);
if (iBorderWidth > 0)
GC.tGC->Box(Rect(0,0,Pos.w,Pos.h));
}
// Set the default attributes
GC->SetFont(iFont);
GC->SetColor(iColor);
GC->Background(iBackground);
}
/*}}}*/
// BasicWidget::Foreground - Change the foreground colour /*{{{*/
// ---------------------------------------------------------------------
/* */
void BasicWidget::Foreground(Color C)
{
iColor = C;
Damage();
}
/*}}}*/
// BasicWidget::Background - Change the background colour /*{{{*/
// ---------------------------------------------------------------------
/* */
void BasicWidget::Background(Color C)
{
iBackground = C;
Damage();
}
/*}}}*/
// BasicWidget::BorderWidth - Set the border width /*{{{*/
// ---------------------------------------------------------------------
/* If the existing directional width is larger than the previously set
width then that difference is kept during resizing. */
void BasicWidget::BorderWidth(unsigned long Width)
{
if (BorderX <= (signed)iBorderWidth)
BorderX = Width;
else
BorderX -= iBorderWidth - Width;
if (BorderY <= (signed)iBorderWidth)
BorderY = Width;
else
BorderY -= iBorderWidth - Width;
iBorderWidth = Width;
Damage();
}
/*}}}*/
// BasicWidget::Margins - Set the margin widths /*{{{*/
// ---------------------------------------------------------------------
/* */
void BasicWidget::Margins(Point Width)
{
iMargins = Width;
Damage();
}
/*}}}*/
// BasicWidget::IdealSize - Return the size of all children /*{{{*/
// ---------------------------------------------------------------------
/* */
Point BasicWidget::IdealSize()
{
Point P = ChildrenExtent(this);
P.x += 2*iMargins.x;
P.y += 2*iMargins.y;
return P;
}
/*}}}*/
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