C++ BRect::LeftBottom方法代码示例

void BarView :: Draw( BRect r )
{
	r = Bounds() ;
	BeginLineArray( 4 ) ;

	AddLine( r.LeftTop() ,
	         ( fOrientation == B_VERTICAL ? r.LeftBottom() : r.RightTop() ) ,
	         Colours::Grey40 ) ;
	AddLine( r.RightBottom() ,
	         ( fOrientation == B_VERTICAL ? r.RightTop() : r.LeftBottom() ) ,
	         Colours::Grey40 ) ;

	if( fOrientation == B_VERTICAL )
		r.InsetBy(1,0) ;
	else
		r.InsetBy(0,1) ;
	
	AddLine( r.LeftTop() ,
	         ( fOrientation == B_VERTICAL ? r.LeftBottom() : r.RightTop() ) ,
	         Colours::White ) ;
	AddLine( r.RightBottom() ,
	         ( fOrientation == B_VERTICAL ? r.RightTop() : r.LeftBottom() ) ,
	         Colours::Grey25 ) ;
	
	EndLineArray() ;
}

void
ToolBar::AddButton(BString const& label, BString const& iconName, BMessage* msg)
{
    fButton.push_back(label);
    fButtonIconName.push_back(iconName);
    fButtonIcon.push_back(Tools::LoadBitmap(iconName, fIconWidth));
    fButtonMsg.push_back(msg);
    BRect rect = BRect(0, 0, StringWidth(label) + fButtonMargin.left +
        fButtonMargin.right, fFontHeight.ascent + 2 * fFontHeight.descent +
            fButtonMargin.top + fButtonMargin.bottom);

    if (fButtonIcon.back() != NULL)
        rect.right += fIconWidth;

    if (fButtonBounds.empty() == false)
        rect.OffsetBy(fButtonBounds.back().RightTop() +
            BPoint(fSpacing, 0));
    else
        rect.OffsetBy(fMargin.LeftTop());

    fButtonBounds.push_back(rect);

    fIconOffset.push_back(rect.LeftTop() +
        BPoint(fButtonMargin.left, (rect.Height() - fIconWidth) / 2));

    if (fButtonIcon.back() != NULL)
        fTxtOffset.push_back(rect.LeftBottom() + BPoint(fButtonMargin.left +
            fIconWidth + fIconSpace, -fButtonMargin.bottom - fFontHeight.descent));
    else
        fTxtOffset.push_back(rect.LeftBottom() + BPoint(fButtonMargin.left,
            -fButtonMargin.bottom - fFontHeight.descent));

}

void
BScrollView::Draw(BRect updateRect)
{
	if (fBorder == B_PLAIN_BORDER) {
		SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_2_TINT));
		StrokeRect(Bounds());
		return;
	} else if (fBorder != B_FANCY_BORDER)
		return;

	BRect bounds = Bounds();
	SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_2_TINT));
	StrokeRect(bounds.InsetByCopy(1, 1));

	if (fHighlighted) {
		SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
		StrokeRect(bounds);
	} else {
		SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_1_TINT));
		StrokeLine(bounds.LeftBottom(), bounds.LeftTop());
		bounds.left++;
		StrokeLine(bounds.LeftTop(), bounds.RightTop());
	
		SetHighColor(ui_color(B_SHINE_COLOR));
		StrokeLine(bounds.LeftBottom(), bounds.RightBottom());
		bounds.top++;
		bounds.bottom--;
		StrokeLine(bounds.RightBottom(), bounds.RightTop());
	}
}

void HDlogView::Draw(BRect update)
{
	BView::Draw(update);

	if (fLines.size() > 0)
	{
		vector<BRect>::iterator ri;
		
		BeginLineArray(fLines.size() * 2);
		for (ri = fLines.begin(); ri != fLines.end(); ri++)
		{
			BRect r = *ri;
			if (r.Width() > r.Height())
			{
				AddLine(r.LeftTop(), r.RightTop(), tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_1_TINT));
				AddLine(r.LeftBottom(), r.RightBottom(), kWhite);
			}
			else
			{
				AddLine(r.LeftTop(), r.LeftBottom(), tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_1_TINT));
				AddLine(r.RightTop(), r.RightBottom(), kWhite);
			}
		}
		EndLineArray();
	}
} /* HDlogView::Draw */

void
Leaves::StartConfig(BView* view)
{
	BRect bounds = view->Bounds();
	bounds.InsetBy(10, 10);
	BRect frame(0, 0, bounds.Width(), 20);

	fDropRateSlider = new BSlider(frame, "drop rate",
		B_TRANSLATE("Drop rate:"), new BMessage(MSG_SET_DROP_RATE),
		kMinimumDropRate, kMaximumDropRate,	B_BLOCK_THUMB,
		B_FOLLOW_LEFT_RIGHT | B_FOLLOW_BOTTOM);
	fDropRateSlider->SetValue(fDropRate);
	fDropRateSlider->ResizeToPreferred();
	bounds.bottom -= fDropRateSlider->Bounds().Height() * 1.5;
	fDropRateSlider->MoveTo(bounds.LeftBottom());
	view->AddChild(fDropRateSlider);

	fLeafSizeSlider = new BSlider(frame, "leaf size",
		B_TRANSLATE("Leaf size:"), new BMessage(MSG_SET_LEAF_SIZE),
		kMinimumLeafSize, kMaximumLeafSize,	B_BLOCK_THUMB,
		B_FOLLOW_LEFT_RIGHT | B_FOLLOW_BOTTOM);
	fLeafSizeSlider->SetValue(fLeafSize);
	fLeafSizeSlider->ResizeToPreferred();
	bounds.bottom -= fLeafSizeSlider->Bounds().Height() * 1.5;
	fLeafSizeSlider->MoveTo(bounds.LeftBottom());
	view->AddChild(fLeafSizeSlider);

	fSizeVariationSlider = new BSlider(frame, "variation",
		B_TRANSLATE("Size variation:"),	new BMessage(MSG_SET_SIZE_VARIATION),
		0, kMaximumSizeVariation, B_BLOCK_THUMB,
		B_FOLLOW_LEFT_RIGHT | B_FOLLOW_BOTTOM);
	fSizeVariationSlider->SetValue(fSizeVariation);
	fSizeVariationSlider->ResizeToPreferred();
	bounds.bottom -= fSizeVariationSlider->Bounds().Height() * 1.5;
	fSizeVariationSlider->MoveTo(bounds.LeftBottom());
	view->AddChild(fSizeVariationSlider);

	BTextView* textView = new BTextView(bounds, B_EMPTY_STRING,
		bounds.OffsetToCopy(0., 0.), B_FOLLOW_ALL, B_WILL_DRAW);
	textView->SetViewColor(view->ViewColor());
	BString name = B_TRANSLATE("Leaves");
	BString text = name;
	text << "\n\n";
	text << B_TRANSLATE("by Deyan Genovski, Geoffry Song");
	text << "\n\n";

	textView->Insert(text.String());
	textView->SetStylable(true);
	textView->SetFontAndColor(0, name.Length(), be_bold_font);
	textView->MakeEditable(false);
	view->AddChild(textView);

	BWindow* window = view->Window();
	if (window) window->AddHandler(this);

	fDropRateSlider->SetTarget(this);
	fLeafSizeSlider->SetTarget(this);
	fSizeVariationSlider->SetTarget(this);
}

void
AppGroupView::Draw(BRect updateRect)
{
	rgb_color menuColor = ViewColor();
	BRect bounds = Bounds();
	rgb_color hilite = tint_color(menuColor, B_DARKEN_1_TINT);
	rgb_color vlight = tint_color(menuColor, B_LIGHTEN_2_TINT);
	bounds.bottom = bounds.top + kHeaderSize;

	// Draw the header background
	SetHighColor(tint_color(menuColor, 1.22));
	SetLowColor(ui_color(B_PANEL_BACKGROUND_COLOR));
	StrokeLine(bounds.LeftTop(), bounds.LeftBottom());
	uint32 borders = BControlLook::B_TOP_BORDER
		| BControlLook::B_BOTTOM_BORDER | BControlLook::B_RIGHT_BORDER;

	be_control_look->DrawButtonBackground(this, bounds, bounds, menuColor,
		0, borders);

	// Draw the buttons
	fCollapseRect.top = (kHeaderSize - kExpandSize) / 2;
	fCollapseRect.left = kEdgePadding * 2;
	fCollapseRect.right = fCollapseRect.left + 1.5 * kExpandSize;
	fCollapseRect.bottom = fCollapseRect.top + kExpandSize;

	fCloseRect = bounds;
	fCloseRect.top = (kHeaderSize - kExpandSize) / 2;
	fCloseRect.right -= kEdgePadding * 2;
	fCloseRect.left = fCloseRect.right - kCloseSize;
	fCloseRect.bottom = fCloseRect.top + kCloseSize;

	uint32 arrowDirection = fCollapsed
		? BControlLook::B_DOWN_ARROW : BControlLook::B_UP_ARROW;
	be_control_look->DrawArrowShape(this, fCollapseRect, fCollapseRect,
		LowColor(), arrowDirection, 0, B_DARKEN_3_TINT);

	SetPenSize(kPenSize);

	// Draw the dismiss widget
	BRect closeCross = fCloseRect;
	closeCross.InsetBy(kSmallPadding, kSmallPadding);
	rgb_color detailCol = ui_color(B_CONTROL_BORDER_COLOR);
	detailCol = tint_color(detailCol, B_LIGHTEN_2_TINT);

	StrokeRoundRect(fCloseRect, kSmallPadding, kSmallPadding);
	StrokeLine(closeCross.LeftTop(), closeCross.RightBottom());
	StrokeLine(closeCross.RightTop(), closeCross.LeftBottom());

	// Draw the label
	SetHighColor(ui_color(B_PANEL_TEXT_COLOR));
	BString label = fLabel;
	if (fCollapsed)
		label << " (" << fInfo.size() << ")";

	SetFont(be_bold_font);

	DrawString(label.String(), BPoint(fCollapseRect.right + 2 * kEdgePadding,
				fCloseRect.bottom));
}

/*------------------------------------------------------------------------------*\
	( )
		-	
\*------------------------------------------------------------------------------*/
void BmCaption::Draw( BRect updateRect) {
	BRect r = Bounds();
	if (mHighlight) {
		if (BeamOnDano)
			SetLowColor( keyboard_navigation_color());
		else {
			rgb_color highlightCol = {255, 217, 121, 255};
			SetLowColor( highlightCol);
		}
	}
	else
		SetLowColor( ui_color( B_PANEL_BACKGROUND_COLOR));
#ifndef __HAIKU__
	FillRect( r.InsetByCopy(1.0, 1.0), B_SOLID_LOW);
#else
	FillRect( BRect(r.top + 1, r.left + 1, r.right, r.bottom - 1), B_SOLID_LOW);
#endif
	SetHighColor( ui_color( B_SHINE_COLOR));
	StrokeLine( BPoint(0.0,1.0), BPoint(r.right,1.0));
	StrokeLine( BPoint(0.0,1.0), r.LeftBottom());
	SetHighColor( BmWeakenColor( B_SHADOW_COLOR, BeShadowMod));
	if (BeamOnDano)
		StrokeLine( r.RightTop(), r.RightBottom());
#ifndef __HAIKU__
	else
		// looks better on R5, as it blends with scrollbar:
		StrokeLine( r.RightTop(), r.RightBottom(), B_SOLID_LOW);
#endif
	StrokeLine( r.LeftTop(), r.RightTop());
	StrokeLine( r.LeftBottom(), r.RightBottom());

	SetHighColor( ui_color( B_PANEL_TEXT_COLOR));
	font_height fInfo;
	BFont captionFont;
	GetFont(&captionFont);
	captionFont.GetHeight( &fInfo);
	float offset = (1.0f+r.Height()-(fInfo.ascent+fInfo.descent))/2.0f;
	float freeWidth = r.Width();
	if (mHighlight && mHighlightLabel.Length()) {
		freeWidth -= StringWidth(mHighlightLabel.String())+2;
		BPoint pos( 2.0, fInfo.ascent+offset);
		DrawString( mHighlightLabel.String(), pos);
	}
	const char* text = mText.String();
	float width;
	while(1) {
		width = StringWidth(text);
		if (width+4.0 < freeWidth)
			break;
		text++;
		while((*text & 0xc0) == 0x80)
			text++;		// skip UTF8 subsequence chars
		if (!*text)
			break;
	}
	BPoint pos( r.Width()-width-2.0f, fInfo.ascent+offset);
	DrawString( text, pos);
}

void Mover::Draw(BRect rect)
{
    /*	BRect r = Bounds();
    	r.top+=1;
    	r.left+=1;
    	r.right-=1;
    	r.bottom-=1;

    	SetHighColor(192,192,192);
    	FillRect(r);

    	r=Bounds();
    	SetHighColor(255,255,255);
    	StrokeLine(r.LeftBottom(),r.LeftTop());
    	StrokeLine(r.LeftTop(),r.RightTop());

    	SetHighColor(168,168,168);
    	StrokeLine(r.RightTop(),r.RightBottom());
    	StrokeLine(r.RightBottom(),r.LeftBottom());

    	SetHighColor(208,208,208);
    	StrokeLine(r.LeftBottom(),r.LeftBottom());
    	StrokeLine(r.RightTop(),r.RightTop());
    */
    BRect r = Bounds();
    SetHighColor(152,152,152);
    if (vertical)
    {
        StrokeLine(r.LeftTop(),r.LeftBottom());
        StrokeLine(r.RightTop()+BPoint(-1,0),r.RightBottom()+BPoint(-1,0));
        StrokeLine(r.RightTop(),r.RightBottom());
    }
    else
    {
        StrokeLine(r.LeftTop(),r.RightTop());
        StrokeLine(r.LeftBottom()+BPoint(0,-1),r.RightBottom()+BPoint(0,-1));
        StrokeLine(r.LeftBottom(),r.RightBottom());
    }

    SetHighColor(255,255,255);
    if (vertical)
        StrokeLine(r.LeftTop()+BPoint(1,0),r.LeftBottom()+BPoint(1,0));
    else
        StrokeLine(r.LeftTop()+BPoint(0,1),r.RightTop()+BPoint(0,1));

    SetHighColor(232,232,232);
    if (vertical)
        StrokeLine(r.RightTop()+BPoint(-2,0),r.RightBottom()+BPoint(-2,0));
    else
        StrokeLine(r.LeftBottom()+BPoint(0,-2),r.RightBottom()+BPoint(0,-2));
}

void
_MediaSlider_::UpdateThumb(
	bool	force)
{
	fBitmap->Lock();

	BRect bounds = fOffscreenView->Bounds();

	bounds.left += 2.0;
	bounds.right -= kThumbWidth + 3.0;

	BRect thumbRect = fThumbRect;
	thumbRect.OffsetTo(bounds.left + (bounds.right * ((float)fCurTime / (float)fTotalTime)), thumbRect.top);

	if ((!force) && (thumbRect == fThumbRect)) {
		fBitmap->Unlock();
		return;
	}

	fOffscreenView->SetLowColor(kSliderBackgroundColor);
	fOffscreenView->FillRect(fThumbRect, B_SOLID_LOW);

	BRect drawRect = fThumbRect | thumbRect;
	fThumbRect = thumbRect;

	fOffscreenView->SetHighColor(kBlack);
	fOffscreenView->StrokeRect(thumbRect, B_SOLID_HIGH);
	thumbRect.InsetBy(1.0, 1.0);

	fOffscreenView->BeginLineArray(4);
	fOffscreenView->AddLine(thumbRect.RightTop(), thumbRect.RightBottom(), kThumbDarkColor);
	fOffscreenView->AddLine(thumbRect.RightBottom(), thumbRect.LeftBottom(), kThumbDarkColor);
	fOffscreenView->AddLine(thumbRect.LeftBottom(), thumbRect.LeftTop(), kThumbLightColor);
	fOffscreenView->AddLine(thumbRect.LeftTop(), thumbRect.RightTop(), kThumbLightColor);
	fOffscreenView->EndLineArray();	
	thumbRect.InsetBy(1.0, 1.0);

	fOffscreenView->SetHighColor(kThumbBackgroundColor);
	fOffscreenView->FillRect(thumbRect, B_SOLID_HIGH);

	fOffscreenView->Sync();
	fBitmap->Unlock();

	BPoint	drawLoc(0.0, (Bounds().Height() - kSliderHeight) / 2);
	BRect	dstRect = drawRect;
	dstRect.OffsetBy(drawLoc);
	DrawBitmap(fBitmap, drawRect, dstRect);
}

void
_MediaBar_::Draw(
	BRect	updateRect)
{
	BRect		bounds = Bounds();
	rgb_color	viewColor = ViewColor();
	rgb_color	light = {255, 255, 255, 255};
	rgb_color	dark = tint_color(viewColor, B_DARKEN_3_TINT);

	BeginLineArray(4);
	AddLine(bounds.RightTop(), bounds.RightBottom(), dark);
	AddLine(bounds.RightBottom(), bounds.LeftBottom(), dark);
	AddLine(bounds.LeftBottom(), bounds.LeftTop(), light);
	AddLine(bounds.LeftTop(), bounds.RightTop(), light);
	EndLineArray();
}

void CMessageItem::DrawItem(BView *owner, BRect bounds, bool /*complete*/)
{
	if (IsSelected())
		owner->SetLowColor(gColor[kColorSelection]);
	else
		owner->SetLowColor(gColor[kColorLow]);
	
	owner->FillRect(bounds, B_SOLID_LOW);
	
	owner->SetHighColor(gColor[kColorText]);
	
	font_height fi;

	be_plain_font->GetHeight(&fi);
	owner->SetFont(be_plain_font);
	
	BBitmap bm(BRect(0, 0, 11, 11), B_COLOR_8_BIT);
	switch (fKind)
	{
		case msgInfo:		bm.SetBits(fInfoIcon, 144, 0, B_COLOR_8_BIT); break;
		case msgWarning:	bm.SetBits(fWarningIcon, 144, 0, B_COLOR_8_BIT); break;
		case msgError:		bm.SetBits(fErrorIcon, 144, 0, B_COLOR_8_BIT); break;
	}

	owner->SetDrawingMode(B_OP_OVER);
	owner->DrawBitmap(&bm, BPoint(bounds.left + 1, bounds.top + 1));
	owner->SetDrawingMode(B_OP_COPY);
	
	owner->DrawString(fMsg, BPoint(bounds.left + 15, bounds.bottom - 1 - fi.descent));
	owner->StrokeLine(bounds.LeftBottom(), bounds.RightBottom(), B_MIXED_COLORS);
} // CMessageItem::DrawItem

// SetOrigin
void
DragCornerState::SetOrigin(BPoint origin)
{
	fOldTransform = *fParent;

	fOldTransform.InverseTransform(&origin);

	BRect box = fParent->Box();
	switch (fCorner) {
		case LEFT_TOP_CORNER:
			fOffsetFromCorner = origin - box.LeftTop();
			break;
		case RIGHT_TOP_CORNER:
			fOffsetFromCorner = origin - box.RightTop();
			break;
		case LEFT_BOTTOM_CORNER:
			fOffsetFromCorner = origin - box.LeftBottom();
			break;
		case RIGHT_BOTTOM_CORNER:
			fOffsetFromCorner = origin - box.RightBottom();
			break;
	}

	DragState::SetOrigin(origin);
}

void DropView::Draw(BRect update)
{
	BRect bounds = Bounds();
	//draw our bevel
	// top and left edges
	SetHighColor(150,150,150,255); // dark grey
	StrokeLine(bounds.LeftTop(), bounds.RightTop());
	StrokeLine(bounds.LeftTop(), bounds.LeftBottom());
	// bottom and right edges
	SetHighColor(250,250,250,255); // lightest grey
	StrokeLine(bounds.RightBottom(), BPoint(bounds.right, bounds.top - 1.0));
	StrokeLine(bounds.RightBottom(), BPoint(bounds.left - 1.0, bounds.bottom));
	
	// draw our highlight, or don't
	if (drawHighlight)
	{
		SetHighColor(highlightColor);
		StrokeRect(highlightRect);
	}
	
	// draw our icon
	if (hasOccupant)
	{
		SetDrawingMode(B_OP_OVER);
		DrawBitmap(iconBitmap, BPoint(3.0, 3.0));
	}
	else
		DrawBitmap(iconBitmapDark, BPoint(3.0, 3.0));
}

void
AppGroupView::_DrawCloseButton(const BRect& updateRect)
{
	PushState();
	BRect closeRect = fCloseRect;

	rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
	float tint = B_DARKEN_2_TINT;

	if (fCloseClicked) {
		BRect buttonRect(closeRect.InsetByCopy(-4, -4));
		be_control_look->DrawButtonFrame(this, buttonRect, updateRect,
			base, base,
			BControlLook::B_ACTIVATED | BControlLook::B_BLEND_FRAME);
		be_control_look->DrawButtonBackground(this, buttonRect, updateRect,
			base, BControlLook::B_ACTIVATED);
		tint *= 1.2;
		closeRect.OffsetBy(1, 1);
	}

	base = tint_color(base, tint);
	SetHighColor(base);
	SetPenSize(2);
	StrokeLine(closeRect.LeftTop(), closeRect.RightBottom());
	StrokeLine(closeRect.LeftBottom(), closeRect.RightTop());
	PopState();
}

void NetListItem::DrawItem(BView *owner, BRect itemRect, bool drawEverything = false)
{
	rgb_color bgColor = {255, 255, 255, 255};
	switch(fType)
	{
		case INFO_EVENT:
			bgColor.blue = 220;
		break;
		case DATA_RECEIVED_EVENT:
			bgColor.red = 128;
			bgColor.green = 128;
		break;
		case DATA_SENT_EVENT:
			bgColor.green = 128;
			bgColor.blue = 128;
		break;
		default:
			bgColor = ui_color(B_PANEL_BACKGROUND_COLOR);
		break;
	}

	owner->SetHighColor(bgColor);
	owner->FillRect(itemRect);
			
	rgb_color tintedColor = tint_color(bgColor, B_DARKEN_2_TINT);
	owner->SetHighColor(tintedColor);
	owner->StrokeLine(itemRect.LeftBottom(), itemRect.RightBottom());
	owner->StrokeLine(itemRect.RightTop(), itemRect.RightBottom());
	
	tintedColor = tint_color(bgColor, B_LIGHTEN_2_TINT);
	owner->SetHighColor(tintedColor);
	owner->StrokeLine(itemRect.LeftTop(), itemRect.RightTop());
	owner->StrokeLine(itemRect.LeftTop(), itemRect.LeftBottom());
	
	owner->SetLowColor(bgColor);
	owner->SetHighColor(0, 0, 0, 255);
	
	BPoint stringPos = itemRect.LeftTop();
	stringPos.x += 4;
	stringPos.y += fFontAscent + 2;
	
	for(int lineNum = 0; fStartChar[lineNum] > -1; lineNum++)
	{ 
		owner->DrawString(&fText[fStartChar[lineNum]], fLineLen[lineNum], stringPos);
		stringPos.y += fLineHeight;
	}
}