/*------------------------------------------------------------------------------*\
( )
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\*------------------------------------------------------------------------------*/
void BmToolbar::UpdateLayout(bool recalcSizes) {
if (LockLooper()) {
// since we want the background tiles for the complete toolbar to appear
// as one piece, we can't simply use the toolbar-background as view-bitmap
// in all toolbar-buttons (horizontal wallpapering wouldn't work).
// So, we render the complete wallpaper into a special bitmap, which is
// then used by each toolbar-button when that creates its pictures.
BRect rect = Bounds();
BmBitmapHandle* toolbarBackground
= TheResources->IconByName("Toolbar_Background");
if (toolbarBackground) {
delete mBackgroundBitmap;
BView* view = new BView( rect, NULL, B_FOLLOW_NONE, 0);
mBackgroundBitmap = new BBitmap( rect, B_RGBA32, true);
mBackgroundBitmap->AddChild( view);
mBackgroundBitmap->Lock();
float y=0.0;
while(y < rect.Height()) {
float x=0.0;
while(x < rect.Width()) {
view->DrawBitmap(toolbarBackground->bitmap, BPoint(x,y));
x += toolbarBackground->bitmap->Bounds().Width();
}
y += toolbarBackground->bitmap->Bounds().Height();
}
view->Sync();
mBackgroundBitmap->Unlock();
mBackgroundBitmap->RemoveChild(view);
delete view;
}
// now step through all toolbar-buttons and let them create
// their pictures:
BView* group = ChildAt(0);
if (group) {
int32 count = group->CountChildren();
// Get maximum button size...
float width=0, height=0;
for( int32 c=0; c<count; ++c) {
BmToolbarButton* tbb
= dynamic_cast<BmToolbarButton*>(group->ChildAt(c));
if (tbb)
BmToolbarButton::CalcMaxSize(
width, height, tbb->Label().String(), tbb->NeedsLatch()
);
}
//...and layout all buttons according to this size:
for( int32 c=0; c<count; ++c) {
BmToolbarButton* tbb
= dynamic_cast<BmToolbarButton*>(group->ChildAt(c));
if (tbb)
tbb->CreateAllPictures(width, height);
}
MWindow* win = dynamic_cast<MWindow*>( Window());
if (win && recalcSizes)
win->RecalcSize();
for( int32 c=0; c<count; ++c)
group->ChildAt(c)->Invalidate();
}
// FIXME: a little hackish, but we need to invalidate the whole window
// anyway, since icons in other views will have changed, too.
// Strangely enough, calling Invalidate() on the topmost child
// doesn't work...
Window()->ChildAt(0)->Hide();
Window()->ChildAt(0)->Show();
UnlockLooper();
}
}
