コード例 #1
0
ファイル: layoutMatrix.cpp プロジェクト: DonkeyWs/BeGUI
//calculate the view positions of all the MatrixLayoutItems
//on the items list with offsets based upon matrixLeft
//and matrixTop
void 
LayoutMatrix	::	Calc(	const float paramMatrixLeft,  
							const float paramMatrixTop,
							sem_id paramSemID) 
{
	int32 numItems = mpItemsList->CountItems();
	if (!numItems) return;
	if (acquire_sem(paramSemID) != B_NO_ERROR)
	{
		warning(myPrefs->FailAqSem);
		return;
	}
	bool hasPopUpMenu = false;
	TextItem *	scratchTextItem;
	for (	int i = 0;
			i < numItems;
			i++)
	{
		((LayoutMatrixItem *)(mpItemsList->ItemAt(i)))->Calc();
	}
	float widest = 0;
	float tallest = 0;
	int32 index = 0;
	for (	int i = 0;
			i < numItems;
			i++)
	{
		LayoutMatrixItem * lmi = (LayoutMatrixItem *)mpItemsList->ItemAt(index++);
		if (lmi->mfWidthPref > widest) 
		{
			widest = lmi->mfWidthPref;
		}
		if (lmi->mfHeightPref > tallest) 
		{
			tallest = lmi->mfHeightPref;
		}
	}
	if (mui32Flags & SAMESIZE) 
	{//SAMESIZE makes all items the same size as the largest
		index = 0;
		//Resize all items to match largest:
		for (	uint32 i = 0;
				i < mui32Rows;
				i++) 
		{
			for (	uint32 j = 0;
					j < mui32Columns;
					j++) 
			{
				LayoutMatrixItem * lmi = (LayoutMatrixItem *)mpItemsList->ItemAt(index++);
				switch (lmi->mui32Kind)
				{
					case KIND_MYSPACER:
					{
						MySpacer * scratchMySpacer = (MySpacer *)lmi->mpItem;
						if (scratchMySpacer->mbSAMEFromWidest)
						{
							scratchMySpacer->ResizeTo(widest, tallest);
						}
					}
					break;
					case KIND_MYBUTTON:
					{
						BButton * scratchMyButton = (BButton *)lmi->mpItem;
						scratchMyButton->ResizeTo(widest, tallest);
					}
					break;
					case KIND_MYSLIDER:
					{
						BSlider * scratchMySlider = (BSlider *)lmi->mpItem;
						scratchMySlider->ResizeTo(widest, tallest);
					}
					break;
					case KIND_STRINGDRAWER:
					{
						BStringView * scratchMyStringView = (BStringView *)lmi->mpItem;
						scratchMyStringView->ResizeTo(widest, tallest);
					}
					break;
					case KIND_MYCHECKBOX:
					{
						BCheckBox * scratchMyCheckBox = (BCheckBox *)lmi->mpItem;
						scratchMyCheckBox->ResizeTo(widest, tallest);
					}
					break;
					case KIND_MYPICTUREBUTTON:
					{
						BPictureButton * scratchMyPictureButton = (BPictureButton *)lmi->mpItem;
						scratchMyPictureButton->ResizeTo(widest, tallest);
					}
					break;
					case KIND_MYCOLORCONTROL:
					{
						BColorControl * scratchMyColorControl = (BColorControl *)lmi->mpItem;
						scratchMyColorControl->ResizeTo(widest, tallest);
					}
					break;
					case KIND_MYSTATUSBAR:
					{
						BStatusBar * scratchMyStatusBar = (BStatusBar *)lmi->mpItem;
						scratchMyStatusBar->ResizeTo(widest, tallest);
					}
					break;
					case KIND_UINT32CONTROL:
					{
						UInt32Control * scratchUInt32Control = (UInt32Control *)lmi->mpItem;
						scratchUInt32Control->ResizeTo(widest, tallest);
					}
					break;
					case KIND_FLOATCONTROL:
					{
						FloatControl * scratchFloatControl = (FloatControl *)lmi->mpItem;
						scratchFloatControl->ResizeTo(widest, tallest);
					}
					break;
					case KIND_STRINGCONTROL:
					{
						StringControl * scratchStringControl = (StringControl *)lmi->mpItem;
						scratchStringControl->ResizeTo(widest, tallest);
					}
					break;
				}
			}
		}
	}
	index = 0;
	//move every item based upon size and padding:
	const float hpad = 2;//horizontal spacing between items
	const float vpad = 2;//vertical spacing between items
	float localLeft;
	float localTop = vpad + paramMatrixTop;
	float excessRight = 0, excessRightHold = 0;
	float excessBottom = 0, excessBottomHold = 0;
	for (	uint32 ii = 0;
			ii < mui32Rows;
			ii++) 
	{
		localLeft = paramMatrixLeft + hpad;
		float columnRight = 0;
		excessBottom = 0;
		for (	uint32 jj = 0;
				jj < mui32Columns;
				jj++) 
		{
			excessRight = 0;
			LayoutMatrixItem * lmi = (LayoutMatrixItem *)mpItemsList->ItemAt(index++);
			switch (lmi->mui32Kind) 
			{
				case KIND_MYPOPUPMENU:
				{
					hasPopUpMenu = true;
					MyPopUpMenu * scratchPopUpMenu = (MyPopUpMenu *)lmi->mpItem;
					scratchPopUpMenu->mfLabelLeft = localLeft;
					excessRightHold = lmi->mfWidthPref + scratchPopUpMenu->mfLabelWidth;
					scratchPopUpMenu->SetLeft(localLeft);
					scratchPopUpMenu->mfLabelTop = localTop;
					if ((scratchPopUpMenu->mfHeight + 9) > scratchPopUpMenu->mfLabelHeight)
					{
						excessBottomHold = scratchPopUpMenu->mfHeight + 10;
					}
					else
					{
						excessBottomHold = scratchPopUpMenu->mfLabelHeight + 1;
					}
				}
				break;
				case KIND_MYTEXTVIEW:
				{
					BTextView * scratchTextView = (BTextView *)lmi->mpItem;
					scratchTextView->MoveTo(localLeft, localTop);
					excessRightHold = ((MyTextView *)scratchTextView)->mfWidth;
					excessBottomHold = ((MyTextView *)scratchTextView)->mfHeight;
				}
				break;
				case KIND_MYLISTVIEW:
				{
					BListView * scratchListView = (BListView *)lmi->mpItem;
					scratchListView->MoveTo(localLeft, localTop);
					((BListView *)(lmi->mpItem))->GetPreferredSize(&excessRightHold, &excessBottomHold);
				}
				break;
				case KIND_MYBUTTON:
				{
					BButton * scratchMyButton = (BButton *)lmi->mpItem;
					scratchMyButton->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_MYSLIDER:
				{
					BSlider * scratchMySlider = (BSlider *)lmi->mpItem;
					scratchMySlider->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_MYSPACER:
				{
					MySpacer * scratchMySpacer = (MySpacer *)lmi->mpItem;
					if (	(mui32Flags & SAMESIZE) 
							&& 
							scratchMySpacer->mbSAMEFromWidest)
					{
						excessRightHold = widest;
						excessBottomHold = tallest;
					}
					else
					{
						excessRightHold = scratchMySpacer->mfPreferredWidth;
						excessBottomHold = scratchMySpacer->mfPreferredHeight;
					}
				}
				break;
				case KIND_MYRADIOVIEW:
				{
					MyRadioView * scratchRadioView = (MyRadioView *)lmi->mpItem;
					scratchRadioView->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_STRINGDRAWER:
				{
					BStringView * scratchMyStringView = (BStringView *)lmi->mpItem;
					TextItem * scratchTextItem = ((MyStringDrawer *)lmi->mpItem)->GetTextItem();
					scratchTextItem->mfLeft = localLeft;
					scratchTextItem->mfTop = localTop + lmi->mfHeightPref - ((MyStringDrawer *)lmi->mpItem)->mfDescender - vpad;
					scratchMyStringView->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_MYCHECKBOX:
				{
					BCheckBox * scratchMyCheckBox = (BCheckBox *)lmi->mpItem;
					scratchMyCheckBox->MoveTo(localLeft, localTop + 1);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref + 1;
				}
				break;
				case KIND_MYPICTUREBUTTON:
				{
					BPictureButton * scratchMyPictureButton = (BPictureButton *)lmi->mpItem;
					scratchMyPictureButton->MoveTo(localLeft, localTop);
					excessRightHold = scratchMyPictureButton->Bounds().Width() + 1;
					excessBottomHold = scratchMyPictureButton->Bounds().Height() + 1;
				}
				break;
				case KIND_MYCOLORCONTROL:
				{
					BColorControl * scratchMyColorControl = (BColorControl *)lmi->mpItem;
					scratchMyColorControl->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
					;
				}
				break;
				case KIND_MYSTATUSBAR:
				{
					MyStatusBar * scratchMyStatusBar = (MyStatusBar *)lmi->mpItem;
					scratchMyStatusBar->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_UINT32CONTROL:
				{
					UInt32Control * scratchUInt32Control = (UInt32Control *)lmi->mpItem;
					scratchUInt32Control->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_FLOATCONTROL:
				{
					FloatControl * scratchFloatControl = (FloatControl *)lmi->mpItem;
					scratchFloatControl->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_STRINGCONTROL:
				{
					StringControl * scratchStringControl = (StringControl *)lmi->mpItem;
					scratchStringControl->MoveTo(localLeft, localTop);
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				}
				break;
				case KIND_TEXT:
					scratchTextItem = (TextItem *)lmi->mpItem;
					scratchTextItem->mfLeft = localLeft;
					scratchTextItem->mfTop = localTop + lmi->mfHeightPref;
					excessRightHold = lmi->mfWidthPref;
					excessBottomHold = lmi->mfHeightPref;
				break;
				case KIND_COLORWELL:
					((ColorWell *)lmi->mpItem)->mfLabelLeft = localLeft;
					((ColorWell *)lmi->mpItem)->SetLeft(((ColorWell *)lmi->mpItem)->GetLeft() + localLeft);
					excessRightHold = lmi->mfWidthPref;
					((ColorWell *)lmi->mpItem)->mfLabelTop = localTop;
					((ColorWell *)lmi->mpItem)->SetTop(((ColorWell *)lmi->mpItem)->GetTop() + localTop);
					excessBottomHold = lmi->mfHeightPref;
				break;
				case KIND_INT8GADGET:
				case KIND_UINT8GADGET:
				case KIND_INT16GADGET:
				case KIND_UINT16GADGET:
				case KIND_INT32GADGET:
				case KIND_UINT32GADGET:
				case KIND_INT64GADGET:
				case KIND_UINT64GADGET:
				case KIND_FLOATGADGET:
				case KIND_HEXGADGET:
				case KIND_STRINGGADGET:
					((GadgetBase *)lmi->mpItem)->mfLabelLeft = localLeft;
					((GadgetBase *)lmi->mpItem)->SetLeft(((GadgetBase *)lmi->mpItem)->GetLeft() + localLeft);
					excessRightHold = lmi->mfWidthPref;
					((GadgetBase *)lmi->mpItem)->mfLabelTop = localTop;
					((GadgetBase *)lmi->mpItem)->SetTop(((GadgetBase *)lmi->mpItem)->GetTop() + localTop);
					excessBottomHold = lmi->mfHeightPref + 1;
				break;
			}
			if (mui32Flags & SAMESIZE)
			{
				excessRightHold = widest;
				excessBottomHold = tallest;
			}
			excessRightHold += hpad;
			if (excessRightHold > excessRight)
			{
				excessRight = excessRightHold;
			}
			localLeft += excessRight;
			if (mui32Columns - 1) 
			{
				if (jj != (mui32Columns - 1)) 
				{
					if (localLeft > columnRight) 
					{
						columnRight = localLeft;
					}
				}
				else 
				{
					columnRight = localLeft;
				}
			}
			else 
			{
				if (localLeft > columnRight) 
				{
					columnRight = localLeft;
				}
			}
			//mfRight is stored so that another MatrixLayout
			//can know where a previous one ended up
			if (excessBottomHold > excessBottom)
			{
				excessBottom = excessBottomHold;
			}
		}
		if (columnRight > mfRight)
		{
			mfRight = columnRight;
		}
		excessBottomHold += vpad;
		localTop += excessBottom;
		if (mui32Rows - 1) 
		{
			if (ii != (mui32Rows - 1)) 
			{
				if (localTop > mfBottom) 
				{
					mfBottom = localTop;
				}
			}
			else 
			{
				mfBottom = localTop;
			}
		}
		else 
		{
			if (localTop > mfBottom) 
			{
				mfBottom = localTop;
			}
		}
		//mfBottom is stored so that another MatrixLayout
		//can know where a previous one ended up
	}
	if (hasPopUpMenu)
	{
		mfRight += 30;
	}
	release_sem(paramSemID);
}//end
コード例 #2
0
ファイル: DefaultMediaTheme.cpp プロジェクト: mmanley/Antares
BControl *
DefaultMediaTheme::MakeViewFor(BParameter *parameter, const BRect *hintRect)
{
	BRect rect;
	if (hintRect)
		rect = *hintRect;
	else
		rect.Set(0, 0, 50, 100);

	switch (parameter->Type()) {
		case BParameter::B_NULL_PARAMETER:
			// there is no default view for a null parameter
			return NULL;

		case BParameter::B_DISCRETE_PARAMETER:
		{
			BDiscreteParameter &discrete = static_cast<BDiscreteParameter &>(*parameter);

			if (!strcmp(discrete.Kind(), B_ENABLE)
				|| !strcmp(discrete.Kind(), B_MUTE)
				|| discrete.CountItems() == 0) {
				// create a checkbox item

				BCheckBox *checkBox = new BCheckBox(rect, discrete.Name(),
					discrete.Name(), NULL);
				checkBox->ResizeToPreferred();

				return checkBox;
			} else {
				// create a pop up menu field

				// ToDo: replace BOptionPopUp (or fix it in Antares...)
				// this is a workaround for a bug in BOptionPopUp - you need to
				// know the actual width before creating the object - very nice...

				BFont font;
				float width = 0;
				for (int32 i = 0; i < discrete.CountItems(); i++) {
					float labelWidth = font.StringWidth(discrete.ItemNameAt(i));
					if (labelWidth > width)
						width = labelWidth;
				}
				width += font.StringWidth(discrete.Name()) + 55;
				rect.right = rect.left + width;

				BOptionPopUp *popUp = new BOptionPopUp(rect, discrete.Name(),
					discrete.Name(), NULL);

				for (int32 i = 0; i < discrete.CountItems(); i++) {
					popUp->AddOption(discrete.ItemNameAt(i), discrete.ItemValueAt(i));
				}

				popUp->ResizeToPreferred();

				return popUp;
			}
		}

		case BParameter::B_CONTINUOUS_PARAMETER:
		{
			BContinuousParameter &continuous = static_cast<BContinuousParameter &>(*parameter);

			if (!strcmp(continuous.Kind(), B_MASTER_GAIN)
				|| !strcmp(continuous.Kind(), B_GAIN)) {
				BChannelSlider *slider = new BChannelSlider(rect, continuous.Name(),
					continuous.Name(), NULL, B_VERTICAL, continuous.CountChannels());

				char minLabel[64], maxLabel[64];

				const char *unit = continuous.Unit();
				if (unit[0]) {
					// if we have a unit, print it next to the limit values
					sprintf(minLabel, "%g %s", continuous.MinValue(), continuous.Unit());
					sprintf(maxLabel, "%g %s", continuous.MaxValue(), continuous.Unit());
				} else {
					sprintf(minLabel, "%g", continuous.MinValue());
					sprintf(maxLabel, "%g", continuous.MaxValue());
				}
				slider->SetLimitLabels(minLabel, maxLabel);

				float width, height;
				slider->GetPreferredSize(&width, &height);
				slider->ResizeTo(width, 190);

				// ToDo: take BContinuousParameter::GetResponse() & ValueStep() into account!

				for (int32 i = 0; i < continuous.CountChannels(); i++) {
					slider->SetLimitsFor(i, int32(continuous.MinValue() * 1000),
						int32(continuous.MaxValue() * 1000));
				}

				return slider;
			}

			BSlider *slider = new BSlider(rect, parameter->Name(), parameter->Name(),
				NULL, 0, 100);

			float width, height;
			slider->GetPreferredSize(&width, &height);
			slider->ResizeTo(100, height);

			return slider;
		}

		default:
			ERROR("BMediaTheme: Don't know parameter type: 0x%x\n",
				parameter->Type());
	}
	return NULL;
}