80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
// 19 november 2015
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#include "uipriv_haiku.hpp"
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// singlechild.cpp is like child.c/child.m in the other ports, except it only handles single children with an optional margin.
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struct singleChild {
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uiControl *c;
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BView *view;
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BGroupLayout *box;
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BLayoutItem *item;
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BAlignment oldalign;
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};
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struct singleChild *newSingleChild(uiControl *c, uiControl *parent, void (*attach)(void *, BLayoutItem *), void *attachTo)
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{
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struct singleChild *s;
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if (c == NULL)
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return NULL;
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s = uiNew(struct singleChild);
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s->c = c;
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s->view = (BView *) uiControlHandle(s->c);
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s->oldalign = s->view->ExplicitAlignment();
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uiControlSetParent(s->c, parent);
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s->box = new BGroupLayout(B_HORIZONTAL, 0);
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// TODO TODO TODO TODO
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// currently BLayout won't let you add a view to a layout that isn't attached to a view
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// that is, if you want to add a view to a layout, there must already be a parent view
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// request this behavior to be changed
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(*attach)(attachTo, s->box);
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s->view->SetExplicitAlignment(BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT));
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s->item = s->box->AddView(s->view, 1.0);
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// and set it on the box as well
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// this way it fills the entire space
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s->box->SetExplicitAlignment(BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT));
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return s;
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}
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void singleChildRemove(struct singleChild *s)
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{
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s->box->RemoveItem(s->item);
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delete s->item;
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delete s->box;
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uiControlSetParent(s->c, NULL);
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s->view->SetExplicitAlignment(s->oldalign);
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uiFree(s);
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}
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void singleChildDestroy(struct singleChild *s)
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{
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uiControl *child;
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child = s->c;
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singleChildRemove(s);
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uiControlDestroy(child);
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}
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// this is of the box itself, not of the child
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// it is used to add the child to the parent layout
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BLayoutItem *singleChildLayoutItem(struct singleChild *s)
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{
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return s->box;
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}
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void singleChildUpdateState(struct singleChild *s)
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{
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controlUpdateState(s->c);
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}
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void singleChildSetMargined(struct singleChild *s, float inset)
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{
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s->box->SetInsets(inset, inset, inset, inset);
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}
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