X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3ca6a5f04692678cd2d9f3ea0843fc3f5a0b254f..70914290a18a1c95c16ff5148d53f3dea52d2940:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 0802fea039..f20410f51d 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -27,14 +27,16 @@ //--------------------------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxGridSizer, wxSizer); -IMPLEMENT_ABSTRACT_CLASS(wxFlexGridSizer, wxGridSizer); -IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); -IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxGridSizer, wxSizer) +IMPLEMENT_ABSTRACT_CLASS(wxFlexGridSizer, wxGridSizer) +IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer) +#if wxUSE_STATBOX +IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer) +#endif #if wxUSE_NOTEBOOK -IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer) #endif //--------------------------------------------------------------------------- @@ -133,21 +135,28 @@ wxSize wxSizerItem::CalcMin() if (IsSizer()) { ret = m_sizer->GetMinSize(); + // if we have to preserve aspect ratio _AND_ this is // the first-time calculation, consider ret to be initial size - if ((m_flag & wxSHAPED) && !m_ratio) SetRatio(ret); + if ((m_flag & wxSHAPED) && !m_ratio) + SetRatio(ret); } - -/* - The minimum size of a window should be the - initial size, as saved in m_minSize, not the - current size. - else - if (IsWindow()) - ret = m_window->GetSize(); -*/ - else ret = m_minSize; + { + if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) ) + { + // check if the best (minimal, in fact) window size hadn't changed + // by chance: this may happen for, e.g. static text if its label + // changed + wxSize size = m_window->GetBestSize(); + if ( size.x > m_minSize.x ) + m_minSize.x = size.x; + if ( size.y > m_minSize.y ) + m_minSize.y = size.y; + } + + ret = m_minSize; + } if (m_flag & wxWEST) ret.x += m_border; @@ -163,30 +172,12 @@ wxSize wxSizerItem::CalcMin() void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) { - m_pos = pos; - - if (m_flag & wxWEST) + if (m_flag & wxSHAPED) { - pos.x += m_border; - size.x -= m_border; - } - if (m_flag & wxEAST) - { - size.x -= m_border; - } - if (m_flag & wxNORTH) - { - pos.y += m_border; - size.y -= m_border; - } - if (m_flag & wxSOUTH) - { - size.y -= m_border; - } - if (m_flag & wxSHAPED) { // adjust aspect ratio int rwidth = (int) (size.y * m_ratio); - if (rwidth > size.x) { + if (rwidth > size.x) + { // fit horizontally int rheight = (int) (size.x / m_ratio); // add vertical space @@ -196,7 +187,9 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) pos.y += (size.y - rheight); // use reduced dimensions size.y =rheight; - } else if (rwidth < size.x) { + } + else if (rwidth < size.x) + { // add horizontal space if (m_flag & wxALIGN_CENTER_HORIZONTAL) pos.x += (size.x - rwidth) / 2; @@ -206,6 +199,30 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) } } + // This is what GetPosition() returns. Since we calculate + // borders afterwards, GetPosition() will be the left/top + // corner of the surrounding border. + m_pos = pos; + + if (m_flag & wxWEST) + { + pos.x += m_border; + size.x -= m_border; + } + if (m_flag & wxEAST) + { + size.x -= m_border; + } + if (m_flag & wxNORTH) + { + pos.y += m_border; + size.y -= m_border; + } + if (m_flag & wxSOUTH) + { + size.y -= m_border; + } + if (IsSizer()) m_sizer->SetDimension( pos.x, pos.y, size.x, size.y ); @@ -215,6 +232,15 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) m_size = size; } +void wxSizerItem::DeleteWindows() +{ + if (m_window) + m_window->Destroy(); + + if (m_sizer) + m_sizer->DeleteWindows(); +} + bool wxSizerItem::IsWindow() { return (m_window != NULL); @@ -243,11 +269,13 @@ wxSizer::wxSizer() wxSizer::~wxSizer() { + Clear(); } void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); + window->SetContainingSizer(this); } void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) @@ -263,6 +291,7 @@ void wxSizer::Add( int width, int height, int option, int flag, int border, wxOb void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); + window->SetContainingSizer(this); } void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) @@ -278,6 +307,7 @@ void wxSizer::Prepend( int width, int height, int option, int flag, int border, void wxSizer::Insert( int before, wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) ); + window->SetContainingSizer(this); } void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData ) @@ -300,6 +330,7 @@ bool wxSizer::Remove( wxWindow *window ) wxSizerItem *item = (wxSizerItem*)node->Data(); if (item->GetWindow() == window) { + item->GetWindow()->SetContainingSizer(NULL); m_children.DeleteNode( node ); return TRUE; } @@ -338,9 +369,47 @@ bool wxSizer::Remove( int pos ) return TRUE; } +void wxSizer::Clear( bool delete_windows ) +{ + // First clear the ContainingSizer pointers + wxNode *node = m_children.First(); + while (node) + { + wxSizerItem *item = (wxSizerItem*)node->Data(); + if (item->IsWindow()) + item->GetWindow()->SetContainingSizer(NULL); + node = node->Next(); + } + + // Destroy the windows if needed + if (delete_windows) + DeleteWindows(); + + // Now empty the list + m_children.Clear(); +} + +void wxSizer::DeleteWindows() +{ + wxNode *node = m_children.First(); + while (node) + { + wxSizerItem *item = (wxSizerItem*)node->Data(); + item->DeleteWindows(); + node = node->Next(); + } +} + void wxSizer::Fit( wxWindow *window ) { - window->SetSize( GetMinWindowSize( window ) ); + wxSize size; + if (window->IsTopLevel()) + size = FitSize( window ); + else + size = GetMinWindowSize( window ); + + //window->SetClientSize( size ); + window->SetSize( size ); } void wxSizer::Layout() @@ -351,8 +420,19 @@ void wxSizer::Layout() void wxSizer::SetSizeHints( wxWindow *window ) { - wxSize size( GetMinWindowSize( window ) ); - window->SetSizeHints( size.x, size.y ); + // Preserve the window's max size hints, but set the + // lower bound according to the sizer calculations. + + wxSize size = FitSize( window ); + window->SetSizeHints( size.x, + size.y, + window->GetMaxWidth(), + window->GetMaxHeight() ); +} + +wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) +{ + return window->GetMaxSize(); } wxSize wxSizer::GetMinWindowSize( wxWindow *window ) @@ -364,6 +444,22 @@ wxSize wxSizer::GetMinWindowSize( wxWindow *window ) minSize.y+size.y-client_size.y ); } +// Return a window size that will fit within the screens dimensions +wxSize wxSizer::FitSize( wxWindow *window ) +{ + wxSize size = GetMinWindowSize( window ); + wxSize sizeMax = GetMaxWindowSize( window ); + + // Limit the size if sizeMax != wxDefaultSize + + if ( size.x > sizeMax.x && sizeMax.x != -1 ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != -1 ) + size.y = sizeMax.y; + + return size; +} + void wxSizer::SetDimension( int x, int y, int width, int height ) { m_position.x = x; @@ -892,33 +988,56 @@ wxSize wxBoxSizer::CalcMin() m_fixedWidth = 0; m_fixedHeight = 0; + // Find how long each stretch unit needs to be + int stretchSize = 1; wxNode *node = m_children.GetFirst(); while (node) + { + wxSizerItem *item = (wxSizerItem*) node->Data(); + if (item->GetOption() != 0) + { + int stretch = item->GetOption(); + wxSize size( item->CalcMin() ); + int sizePerStretch; + // Integer division rounded up is (a + b - 1) / b + if (m_orient == wxHORIZONTAL) + sizePerStretch = ( size.x + stretch - 1 ) / stretch; + else + sizePerStretch = ( size.y + stretch - 1 ) / stretch; + if (sizePerStretch > stretchSize) + stretchSize = sizePerStretch; + } + node = node->Next(); + } + // Calculate overall minimum size + node = m_children.GetFirst(); + while (node) { wxSizerItem *item = (wxSizerItem*) node->Data(); - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); + m_stretchable += item->GetOption(); wxSize size( item->CalcMin() ); + if (item->GetOption() != 0) + { + if (m_orient == wxHORIZONTAL) + size.x = stretchSize * item->GetOption(); + else + size.y = stretchSize * item->GetOption(); + } if (m_orient == wxHORIZONTAL) { - m_minWidth += (size.x * weight); + m_minWidth += size.x; m_minHeight = wxMax( m_minHeight, size.y ); } else { - m_minHeight += (size.y * weight); + m_minHeight += size.y; m_minWidth = wxMax( m_minWidth, size.x ); } - if (item->GetOption()) - { - m_stretchable += weight; - } - else + if (item->GetOption() == 0) { if (m_orient == wxVERTICAL) { @@ -942,22 +1061,35 @@ wxSize wxBoxSizer::CalcMin() // wxStaticBoxSizer //--------------------------------------------------------------------------- +#if wxUSE_STATBOX + wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) - : wxBoxSizer( orient ) + : wxBoxSizer( orient ) { wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); m_staticBox = box; } +static void GetStaticBoxBorders(wxStaticBox *box, + int *borderTop, int *borderOther) +{ + // this has to be done platform by platform as there is no way to + // guess the thickness of a wxStaticBox border +#ifdef __WXGTK__ + if ( box->GetLabel().IsEmpty() ) + *borderTop = 5; + else +#endif // __WXGTK__ + *borderTop = 15; + (void)box; + *borderOther = 5; +} + void wxStaticBoxSizer::RecalcSizes() { - // this will have to be done platform by platform - // as there is no way to guess the thickness of - // a wxStaticBox border - int top_border = 15; - if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; - int other_border = 5; + int top_border, other_border; + GetStaticBoxBorders(m_staticBox, &top_border, &other_border); m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); @@ -976,13 +1108,8 @@ void wxStaticBoxSizer::RecalcSizes() wxSize wxStaticBoxSizer::CalcMin() { - // This will have to be done platform by platform - // as there is no way to guess the thickness of - // a wxStaticBox border. - - int top_border = 15; - if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; - int other_border = 5; + int top_border, other_border; + GetStaticBoxBorders(m_staticBox, &top_border, &other_border); wxSize ret( wxBoxSizer::CalcMin() ); ret.x += 2*other_border; @@ -991,6 +1118,8 @@ wxSize wxStaticBoxSizer::CalcMin() return ret; } +#endif // wxUSE_STATBOX + //--------------------------------------------------------------------------- // wxNotebookSizer //--------------------------------------------------------------------------- @@ -1011,24 +1140,15 @@ void wxNotebookSizer::RecalcSizes() wxSize wxNotebookSizer::CalcMin() { - // This will have to be done platform by platform - // as there is no way to guess the thickness of - // the wxNotebook tabs and border. + wxSize sizeBorder = m_notebook->CalcSizeFromPage(wxSize(0, 0)); - int borderX = 5; - int borderY = 5; - if ((m_notebook->HasFlag(wxNB_RIGHT)) || - (m_notebook->HasFlag(wxNB_LEFT))) - { - borderX += 90; // improvements later.. - } - else - { - borderY += 40; // improvements later.. - } + sizeBorder.x += 5; + sizeBorder.y += 5; if (m_notebook->GetChildren().GetCount() == 0) - return wxSize(borderX + 10, borderY + 10); + { + return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); + } int maxX = 0; int maxY = 0; @@ -1043,14 +1163,18 @@ wxSize wxNotebookSizer::CalcMin() { wxSize subsize( itemsizer->CalcMin() ); - if (subsize.x > maxX) maxX = subsize.x; - if (subsize.y > maxY) maxY = subsize.y; + if (subsize.x > maxX) + maxX = subsize.x; + if (subsize.y > maxY) + maxY = subsize.y; } node = node->GetNext(); } - return wxSize( borderX + maxX, borderY + maxY ); + return wxSize( maxX, maxY ) + sizeBorder; } #endif // wxUSE_NOTEBOOK + +// vi:sts=4:sw=4:et