// Dirk Holtwick, Ron Lee
// Modified by: Ron Lee
// Created:
-// RCS-ID: $Id$
// Copyright: (c) Robin Dunn, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
SetRatio(size);
}
+wxSize wxSizerItem::AddBorderToSize(const wxSize& size) const
+{
+ wxSize result = size;
+
+ // Notice that we shouldn't modify the unspecified component(s) of the
+ // size, it's perfectly valid to have either min or max size specified in
+ // one direction only and it shouldn't be applied in the other one then.
+
+ if ( result.x != wxDefaultCoord )
+ {
+ if (m_flag & wxWEST)
+ result.x += m_border;
+ if (m_flag & wxEAST)
+ result.x += m_border;
+ }
+
+ if ( result.y != wxDefaultCoord )
+ {
+ if (m_flag & wxNORTH)
+ result.y += m_border;
+ if (m_flag & wxSOUTH)
+ result.y += m_border;
+ }
+
+ return result;
+}
+
wxSizerItem::wxSizerItem(int width,
int height,
int proportion,
wxSize wxSizerItem::GetMinSizeWithBorder() const
{
- wxSize ret = m_minSize;
-
- if (m_flag & wxWEST)
- ret.x += m_border;
- if (m_flag & wxEAST)
- ret.x += m_border;
- if (m_flag & wxNORTH)
- ret.y += m_border;
- if (m_flag & wxSOUTH)
- ret.y += m_border;
-
- return ret;
+ return AddBorderToSize(m_minSize);
}
+wxSize wxSizerItem::GetMaxSizeWithBorder() const
+{
+ return AddBorderToSize(GetMaxSize());
+}
void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ )
{
// have changed alignment or some other property which would
// not change the size of the window. In such a case, no
// wxSizeEvent would normally be generated and thus the
- // control wouldn't get layed out correctly here.
+ // control wouldn't get laid out correctly here.
#if 1
m_window->SetSize(pos.x, pos.y, size.x, size.y,
wxSIZE_ALLOW_MINUS_ONE|wxSIZE_FORCE_EVENT );
// arbitrarily decide that if at least one of our elements is
// shown, so are we (this arbitrariness is the reason for
// deprecating this function)
- {
- // Some apps (such as dialog editors) depend on an empty sizer still
- // being laid out correctly and reporting the correct size and position.
- if (m_sizer->GetChildren().GetCount() == 0)
- return true;
-
- for ( wxSizerItemList::compatibility_iterator
- node = m_sizer->GetChildren().GetFirst();
- node;
- node = node->GetNext() )
- {
- if ( node->GetData()->IsShown() )
- return true;
- }
- }
- return false;
+ return m_sizer->AreAnyItemsShown();
case Item_Spacer:
return m_spacer->IsShown();
wxSizerItem *item = node->GetData();
node->SetData(newitem);
+
+ if (item->IsWindow() && item->GetWindow())
+ item->GetWindow()->SetContainingSizer(NULL);
+
delete item;
return true;
sizeMax = wxDisplay(disp).GetClientArea().GetSize();
+ // If determining the display size failed, skip the max size checks as
+ // we really don't want to create windows of (0, 0) size.
+ if ( !sizeMax.x || !sizeMax.y )
+ return size;
+
// space for decorations and toolbars etc.
sizeMax = tlw->WindowToClientSize(sizeMax);
}
CalcMin();
// Applies the layout and repositions/resizes the items
+ wxWindow::ChildrenRepositioningGuard repositionGuard(m_containingWindow);
+
RecalcSizes();
}
}
}
+bool wxSizer::AreAnyItemsShown() const
+{
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ if ( node->GetData()->IsShown() )
+ return true;
+ node = node->GetNext();
+ }
+
+ return false;
+}
+
bool wxSizer::IsShown( wxWindow *window ) const
{
wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
m_vgap( vgap ),
m_hgap( hgap )
{
+ wxASSERT(cols >= 0);
}
wxGridSizer::wxGridSizer( int cols, const wxSize& gap )
m_vgap( gap.GetHeight() ),
m_hgap( gap.GetWidth() )
{
+ wxASSERT(cols >= 0);
}
wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
m_vgap( vgap ),
m_hgap( hgap )
{
+ wxASSERT(rows >= 0 && cols >= 0);
}
wxGridSizer::wxGridSizer( int rows, int cols, const wxSize& gap )
m_vgap( gap.GetHeight() ),
m_hgap( gap.GetWidth() )
{
+ wxASSERT(rows >= 0 && cols >= 0);
}
wxSizerItem *wxGridSizer::DoInsert(size_t index, wxSizerItem *item)
minMajorSize += GetSizeInMajorDir(item->GetMinSizeWithBorder());
}
- // update our min size and delta which may have changed
+ // update our min size have changed
SizeInMajorDir(m_minSize) = minMajorSize;
- delta = totalMajorSize - minMajorSize;
// space and sum of proportions for the remaining items, both may change
// Check for the degenerated case when we don't have enough space for even
// the min sizes of all the items: in this case we really can't do much
- // more than to to allocate the min size to as many of fixed size items as
+ // more than to allocate the min size to as many of fixed size items as
// possible (on the assumption that variable size items such as text zones
// or list boxes may use scrollbars to show their content even if their
// size is less than min size but that fixed size items such as buttons
if ( majorSizes[n] != wxDefaultCoord )
continue;
- const wxCoord
- minMajor = GetSizeInMajorDir(item->GetMinSizeWithBorder());
+ wxCoord minMajor = GetSizeInMajorDir(item->GetMinSizeWithBorder());
+
+ // it doesn't make sense for min size to be negative but right now
+ // it's possible to create e.g. a spacer with (-1, 10) as size and
+ // people do it in their code apparently (see #11842) so ensure
+ // that we don't use this -1 as real min size as it conflicts with
+ // the meaning we use for it here and negative min sizes just don't
+ // make sense anyhow (which is why it might be a better idea to
+ // deal with them at wxSizerItem level in the future but for now
+ // this is the minimal fix for the bug)
+ if ( minMajor < 0 )
+ minMajor = 0;
+
const int propItem = item->GetProportion();
if ( propItem )
{
nonFixedSpaceChanged = true;
}
+ // Similar to the previous loop, but dealing with items whose max size
+ // is less than what we would allocate to them taking their proportion
+ // into account.
+ nonFixedSpaceChanged = false;
+ for ( i = m_children.begin(), n = 0; ; ++i, ++n )
+ {
+ if ( nonFixedSpaceChanged )
+ {
+ i = m_children.begin();
+ n = 0;
+ nonFixedSpaceChanged = false;
+ }
+
+ // check for the end of the loop only after the check above as
+ // otherwise we wouldn't do another pass if the last child resulted
+ // in non fixed space reduction
+ if ( i == m_children.end() )
+ break;
+
+ wxSizerItem * const item = *i;
+
+ if ( !item->IsShown() )
+ continue;
+
+ // don't check the item which we had already dealt with during a
+ // previous pass (this is more than an optimization, the code
+ // wouldn't work correctly if we kept adjusting for the same item
+ // over and over again)
+ if ( majorSizes[n] != wxDefaultCoord )
+ continue;
+
+ wxCoord maxMajor = GetSizeInMajorDir(item->GetMaxSizeWithBorder());
+
+ // must be nonzero, fixed-size items were dealt with in previous loop
+ const int propItem = item->GetProportion();
+
+ // is the desired size of this item small enough?
+ if ( maxMajor < 0 ||
+ (remaining*propItem)/totalProportion <= maxMajor )
+ {
+ // yes, it is, we'll determine the real size of this
+ // item later, for now just leave it as wxDefaultCoord
+ continue;
+ }
+
+ // the proportion of this item won't count, it has
+ // effectively become fixed
+ totalProportion -= propItem;
+
+ // we can already allocate space for this item
+ majorSizes[n] = maxMajor;
+
+ // change the amount of the space remaining to the other items,
+ // as this can result in not being able to satisfy their
+ // proportions any more we will need to redo another loop
+ // iteration
+ remaining -= maxMajor;
+
+ nonFixedSpaceChanged = true;
+ }
// Last by one pass: distribute the remaining space among the non-fixed
// items whose size weren't fixed yet according to their proportions.
// its minimal size which is bad but better than not showing parts
// of the window at all
minorSize = totalMinorSize;
+
+ // do not allow the size in the minor direction to grow beyond the max
+ // size of the item in the minor direction
+ const wxCoord maxMinorSize = GetSizeInMinorDir(item->GetMaxSizeWithBorder());
+ if ( maxMinorSize >= 0 && minorSize > maxMinorSize )
+ minorSize = maxMinorSize;
}
- else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) )
+
+ if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) )
{
PosInMinorDir(posChild) += totalMinorSize - minorSize;
}
m_totalProportion = 0;
m_minSize = wxSize(0, 0);
- // calculate the minimal sizes for all items and count sum of proportions
+ // The minimal size for the sizer should be big enough to allocate its
+ // element at least its minimal size but also, and this is the non trivial
+ // part, to respect the children proportion. To satisfy the latter
+ // condition we must find the greatest min-size-to-proportion ratio for all
+ // elements with non-zero proportion.
+ float maxMinSizeToProp = 0.;
for ( wxSizerItemList::const_iterator i = m_children.begin();
i != m_children.end();
++i )
continue;
const wxSize sizeMinThis = item->CalcMin();
- SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis);
+ if ( const int propThis = item->GetProportion() )
+ {
+ float minSizeToProp = GetSizeInMajorDir(sizeMinThis);
+ minSizeToProp /= propThis;
+
+ if ( minSizeToProp > maxMinSizeToProp )
+ maxMinSizeToProp = minSizeToProp;
+
+ m_totalProportion += item->GetProportion();
+ }
+ else // fixed size item
+ {
+ // Just account for its size directly
+ SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis);
+ }
+
+ // In the transversal direction we just need to find the maximum.
if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) )
SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis);
-
- m_totalProportion += item->GetProportion();
}
+ // Using the max ratio ensures that the min size is big enough for all
+ // items to have their min size and satisfy the proportions among them.
+ SizeInMajorDir(m_minSize) += (int)(maxMinSizeToProp*m_totalProportion);
+
return m_minSize;
}
// in the wxBoxSizer::RecalcSizes() call below using coordinates relative
// to the top-left corner of the staticbox:
m_position.x = m_position.y = 0;
+#elif defined(__WXOSX__) && wxOSX_USE_COCOA
+ // the distance from the 'inner' content view to the embedded controls
+ // this is independent of the title, therefore top_border is not relevant
+ m_position.x = m_position.y = 10;
#else
- // if the wxStaticBox has childrens, then these windows must be placed
+ // if the wxStaticBox has children, then these windows must be placed
// by the wxBoxSizer::RecalcSizes() call below using coordinates relative
// to the top-left corner of the staticbox (but unlike wxGTK, we need
// to keep in count the static borders here!):
wxBoxSizer::ShowItems( show );
}
+bool wxStaticBoxSizer::AreAnyItemsShown() const
+{
+ // We don't need to check the status of our child items: if the box is
+ // shown, this sizer should be considered shown even if all its elements
+ // are hidden (or, more prosaically, there are no elements at all). And,
+ // conversely, if the box is hidden then all our items, which are its
+ // children, are hidden too.
+ return m_staticBox->IsShown();
+}
+
bool wxStaticBoxSizer::Detach( wxWindow *window )
{
// avoid deleting m_staticBox in our dtor if it's being detached from the
// Extra space around and at the right
Add(12, 40);
#elif defined(__WXGTK20__)
- Add(0, 0, 0, wxLEFT, 9);
+ // http://library.gnome.org/devel/hig-book/stable/windows-alert.html.en
+ // says that the correct button order is
+ //
+ // [Help] [Alternative] [Cancel] [Affirmative]
+
+ // Flags ensuring that margins between the buttons are 6 pixels.
+ const wxSizerFlags
+ flagsBtn = wxSizerFlags().Centre().Border(wxLEFT | wxRIGHT, 3);
+
+ // Margin around the entire sizer button should be 12.
+ AddSpacer(9);
+
if (m_buttonHelp)
- Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+ Add(m_buttonHelp, flagsBtn);
- // extra whitespace between help and cancel/ok buttons
- Add(0, 0, 1, wxEXPAND, 0);
+ // Align the rest of the buttons to the right.
+ AddStretchSpacer();
- if (m_buttonNegative){
- Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
- }
+ if (m_buttonNegative)
+ Add(m_buttonNegative, flagsBtn);
- // according to HIG, in explicit apply windows the order is:
- // [ Help Apply Cancel OK ]
if (m_buttonApply)
- Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+ Add(m_buttonApply, flagsBtn);
- if (m_buttonCancel){
- Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
- // Cancel or help should be default
- // m_buttonCancel->SetDefaultButton();
- }
+ if (m_buttonCancel)
+ Add(m_buttonCancel, flagsBtn);
if (m_buttonAffirmative)
- Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
+ Add(m_buttonAffirmative, flagsBtn);
+
+ // Ensure that the right margin is 12 as well.
+ AddSpacer(9);
#elif defined(__WXMSW__)
// Windows
projects / wxWidgets.git / blobdiff