X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8591c946952a90363546812d2d9bf5549733649e..f363cee882672e147340240cf0bb194a68e37833:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 77e3b8c34e..31bed2c619 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -5,7 +5,6 @@ // Dirk Holtwick, Ron Lee // Modified by: Ron Lee // Created: -// RCS-ID: $Id$ // Copyright: (c) Robin Dunn, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -207,6 +206,33 @@ void wxSizerItem::DoSetSpacer(const wxSize& size) 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, @@ -397,20 +423,13 @@ wxSize wxSizerItem::CalcMin() 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_ ) { @@ -486,7 +505,7 @@ 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 ); @@ -582,20 +601,10 @@ bool wxSizerItem::IsShown() const return m_window->IsShown(); case Item_Sizer: - { // arbitrarily decide that if at least one of our elements is // shown, so are we (this arbitrariness is the reason for // deprecating this function) - 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(); @@ -909,6 +918,11 @@ wxSize wxSizer::ComputeFittingClientSize(wxWindow *window) 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); } @@ -961,6 +975,8 @@ void wxSizer::Layout() CalcMin(); // Applies the layout and repositions/resizes the items + wxWindow::ChildrenRepositioningGuard repositionGuard(m_containingWindow); + RecalcSizes(); } @@ -1265,6 +1281,19 @@ void wxSizer::ShowItems( bool show ) } } +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(); @@ -2077,9 +2106,8 @@ void wxBoxSizer::RecalcSizes() 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 @@ -2093,7 +2121,7 @@ void wxBoxSizer::RecalcSizes() // 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 @@ -2215,6 +2243,66 @@ void wxBoxSizer::RecalcSizes() 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. @@ -2266,8 +2354,15 @@ void wxBoxSizer::RecalcSizes() // 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; } @@ -2399,9 +2494,10 @@ void wxStaticBoxSizer::RecalcSizes() 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!): @@ -2449,6 +2545,16 @@ void wxStaticBoxSizer::ShowItems( bool show ) 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