//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
void
ImageView::_UpdateImage()
{
// ToDo: add scroller if necessary?!
BAutolock locker(fEditor);
// we need all the data...
size_t viewSize = fEditor.ViewSize();
// that may need some more memory...
if ((off_t)viewSize < fEditor.FileSize())
fEditor.SetViewSize(fEditor.FileSize());
const char *data;
if (fEditor.GetViewBuffer((const uint8 **)&data) != B_OK) {
fEditor.SetViewSize(viewSize);
return;
}
if (fBitmap != NULL && (fEditor.Type() == B_MINI_ICON_TYPE
|| fEditor.Type() == B_LARGE_ICON_TYPE)) {
// optimize icon update...
fBitmap->SetBits(data, fEditor.FileSize(), 0, B_CMAP8);
fEditor.SetViewSize(viewSize);
return;
}
#ifdef HAIKU_TARGET_PLATFORM_HAIKU
if (fBitmap != NULL && fEditor.Type() == B_VECTOR_ICON_TYPE
&& fScaleSlider->Value() * 8 - 1 == fBitmap->Bounds().Width()) {
if (BIconUtils::GetVectorIcon((const uint8 *)data,
(size_t)fEditor.FileSize(), fBitmap) == B_OK) {
fEditor.SetViewSize(viewSize);
return;
}
}
#endif
delete fBitmap;
fBitmap = NULL;
switch (fEditor.Type()) {
case B_MINI_ICON_TYPE:
fBitmap = new BBitmap(BRect(0, 0, 15, 15), B_CMAP8);
if (fBitmap->InitCheck() == B_OK)
fBitmap->SetBits(data, fEditor.FileSize(), 0, B_CMAP8);
break;
case B_LARGE_ICON_TYPE:
fBitmap = new BBitmap(BRect(0, 0, 31, 31), B_CMAP8);
if (fBitmap->InitCheck() == B_OK)
fBitmap->SetBits(data, fEditor.FileSize(), 0, B_CMAP8);
break;
#ifdef HAIKU_TARGET_PLATFORM_HAIKU
case B_VECTOR_ICON_TYPE:
fBitmap = new BBitmap(BRect(0, 0, fScaleSlider->Value() * 8 - 1,
fScaleSlider->Value() * 8 - 1), B_RGB32);
if (fBitmap->InitCheck() != B_OK
|| BIconUtils::GetVectorIcon((const uint8 *)data,
(size_t)fEditor.FileSize(), fBitmap) != B_OK) {
delete fBitmap;
fBitmap = NULL;
}
break;
#endif
case B_PNG_FORMAT:
{
BMemoryIO stream(data, fEditor.FileSize());
fBitmap = BTranslationUtils::GetBitmap(&stream);
break;
}
case B_MESSAGE_TYPE:
{
BMessage message;
// ToDo: this could be problematic if the data is not large
// enough to contain the message...
if (message.Unflatten(data) == B_OK)
fBitmap = new BBitmap(&message);
break;
}
}
// Update the bitmap description. If no image can be displayed,
// we will show our "unsupported" message
if (fBitmap != NULL && fBitmap->InitCheck() != B_OK) {
delete fBitmap;
fBitmap = NULL;
}
if (fBitmap != NULL) {
char buffer[256];
const char *type = B_TRANSLATE("Unknown type");
switch (fEditor.Type()) {
case B_MINI_ICON_TYPE:
case B_LARGE_ICON_TYPE:
#ifdef HAIKU_TARGET_PLATFORM_HAIKU
case B_VECTOR_ICON_TYPE:
#endif
type = B_TRANSLATE("Icon");
break;
case B_PNG_FORMAT:
type = B_TRANSLATE("PNG format");
break;
case B_MESSAGE_TYPE:
type = B_TRANSLATE("Flattened bitmap");
break;
default:
break;
}
const char *colorSpace;
switch (fBitmap->ColorSpace()) {
case B_GRAY1:
case B_GRAY8:
colorSpace = B_TRANSLATE("Grayscale");
break;
case B_CMAP8:
colorSpace = B_TRANSLATE("8 bit palette");
break;
case B_RGB32:
case B_RGBA32:
case B_RGB32_BIG:
case B_RGBA32_BIG:
colorSpace = B_TRANSLATE("32 bit");
break;
case B_RGB15:
case B_RGBA15:
case B_RGB15_BIG:
case B_RGBA15_BIG:
colorSpace = B_TRANSLATE("15 bit");
break;
case B_RGB16:
case B_RGB16_BIG:
colorSpace = B_TRANSLATE("16 bit");
break;
default:
colorSpace = B_TRANSLATE("Unknown format");
break;
}
snprintf(buffer, sizeof(buffer), "%s, %g x %g, %s", type,
fBitmap->Bounds().Width() + 1, fBitmap->Bounds().Height() + 1,
colorSpace);
fDescriptionView->SetText(buffer);
} else
fDescriptionView->SetText(B_TRANSLATE_COMMENT("Could not read image",
"Image means here a picture file, not a disk image."));
// Update the view size to match the image and its description
float width, height;
fDescriptionView->GetPreferredSize(&width, &height);
fDescriptionView->ResizeTo(width, height);
BRect rect = fDescriptionView->Bounds();
if (fBitmap != NULL) {
BRect bounds = fBitmap->Bounds();
rect.bottom += bounds.Height() + 5;
if (fScaleSlider != NULL && rect.Width() < fScaleSlider->Bounds().Width())
rect.right = fScaleSlider->Bounds().right;
if (bounds.Width() > rect.Width())
rect.right = bounds.right;
// center description below the bitmap
fDescriptionView->MoveTo((rect.Width() - fDescriptionView->Bounds().Width()) / 2,
bounds.Height() + 5);
if (fScaleSlider != NULL) {
// center slider below description
rect.bottom += fScaleSlider->Bounds().Height() + 5;
fScaleSlider->MoveTo((rect.Width() - fScaleSlider->Bounds().Width()) / 2,
fDescriptionView->Frame().bottom + 5);
if (fScaleSlider->IsHidden())
fScaleSlider->Show();
}
} else if (fScaleSlider != NULL && !fScaleSlider->IsHidden())
fScaleSlider->Hide();
ResizeTo(rect.Width(), rect.Height());
if (Parent()) {
// center within parent view
BRect parentBounds = Parent()->Bounds();
MoveTo((parentBounds.Width() - rect.Width()) / 2,
(parentBounds.Height() - rect.Height()) / 2);
}
Invalidate();
// restore old view size
fEditor.SetViewSize(viewSize);
}