-
-// this utility class implements a proportional sizer
-// as it existed in wxWidgets 2.8 and before.
-
-class wxAuiProportionalBoxSizer : public wxBoxSizer
-{
-public:
- wxAuiProportionalBoxSizer(int orientation) : wxBoxSizer(orientation) { }
-
- void RecalcSizes()
- {
- if (m_children.GetCount() == 0)
- return;
-
- int fixed_height = 0;
- int fixed_width = 0;
- int stretchable = 0;
- wxSizerItemList::compatibility_iterator node;
-
- // find fixed width and height, as well
- // as the total stretchable proportions
- node = m_children.GetFirst();
- while (node)
- {
- wxSizerItem *item = node->GetData();
-
- if (item->IsShown())
- {
- stretchable += item->GetProportion();
-
- wxSize size(item->GetMinSizeWithBorder());
- if (item->GetProportion() == 0)
- {
- if (m_orient == wxVERTICAL)
- {
- fixed_height += size.y;
- fixed_width = wxMax(fixed_width, size.x);
- }
- else
- {
- fixed_width += size.x;
- fixed_height = wxMax(fixed_height, size.y);
- }
- }
- }
-
- node = node->GetNext();
- }
-
-
- // delta specifies the total amount to be allocated to stretch spaces
- int delta = 0;
- if (stretchable)
- {
- if (m_orient == wxHORIZONTAL)
- delta = m_size.x - fixed_width;
- else
- delta = m_size.y - fixed_height;
- }
-
- // go through each item and assign sizes
- wxPoint pt(m_position);
- node = m_children.GetFirst();
- while (node)
- {
- wxSizerItem* item = node->GetData();
-
- if (item->IsShown())
- {
- wxSize size(item->GetMinSizeWithBorder());
-
- if (m_orient == wxVERTICAL)
- {
- wxCoord height = size.y;
- if (item->GetProportion())
- {
- height = (delta * item->GetProportion()) / stretchable;
- delta -= height;
- stretchable -= item->GetProportion();
- }
-
- wxPoint child_pos(pt);
- wxSize child_size(size.x, height);
-
- if (item->GetFlag() & (wxEXPAND | wxSHAPED))
- child_size.x = m_size.x;
- else if (item->GetFlag() & wxALIGN_RIGHT)
- child_pos.x += m_size.x - size.x;
- else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
- child_pos.x += (m_size.x - size.x) / 2;
-
- item->SetDimension(child_pos, child_size);
-
- pt.y += height;
- }
- else
- {
- wxCoord width = size.x;
- if (item->GetProportion())
- {
- width = (delta * item->GetProportion()) / stretchable;
- delta -= width;
- stretchable -= item->GetProportion();
- }
-
- wxPoint child_pos(pt);
- wxSize child_size(width, size.y);
-
- if (item->GetFlag() & (wxEXPAND | wxSHAPED))
- child_size.y = m_size.y;
- else if (item->GetFlag() & wxALIGN_BOTTOM)
- child_pos.y += m_size.y - size.y;
- else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
- child_pos.y += (m_size.y - size.y) / 2;
-
- item->SetDimension(child_pos, child_size);
-
- pt.x += width;
- }
- }
-
- node = node->GetNext();
- }
- }
-};
-
-
-
-
projects / wxWidgets.git / blobdiff