X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b919f007af55c6bcba975ead6177c80a317e1a4a..80a779275ae04443c568dca919adb26cf6f5002c:/src/common/sizer.cpp?ds=sidebyside diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 1acfd70e61..a691f6431c 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,18 +1,15 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: sizer.cpp +// Name: src/common/sizer.cpp // Purpose: provide new wxSizer class for layout -// Author: Robert Roebling and Robin Dunn -// Modified by: +// Author: Robert Roebling and Robin Dunn, contributions by +// Dirk Holtwick, Ron Lee +// Modified by: Ron Lee // Created: // RCS-ID: $Id$ -// Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling +// Copyright: (c) Robin Dunn, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "sizer.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -21,97 +18,236 @@ #endif #include "wx/sizer.h" -#include "wx/utils.h" -#include "wx/statbox.h" -#include "wx/notebook.h" + +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/intl.h" + #include "wx/math.h" + #include "wx/utils.h" + #include "wx/settings.h" + #include "wx/button.h" + #include "wx/statbox.h" + #include "wx/toplevel.h" +#endif // WX_PRECOMP + +#include "wx/listimpl.cpp" + +#if WXWIN_COMPATIBILITY_2_4 + #include "wx/notebook.h" +#endif //--------------------------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); -IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); -#if wxUSE_NOTEBOOK -IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer); +IMPLEMENT_CLASS(wxSizerItem, wxObject) +IMPLEMENT_CLASS(wxSizer, wxObject) +IMPLEMENT_CLASS(wxGridSizer, wxSizer) +IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer) +IMPLEMENT_CLASS(wxBoxSizer, wxSizer) +#if wxUSE_STATBOX +IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer) +#endif +#if wxUSE_BUTTON +IMPLEMENT_CLASS(wxStdDialogButtonSizer, wxBoxSizer) #endif -//--------------------------------------------------------------------------- +WX_DEFINE_EXPORTED_LIST( wxSizerItemList ) + +/* + TODO PROPERTIES + sizeritem + object + object_ref + minsize + option + flag + border + spacer + option + flag + borfder + boxsizer + orient + staticboxsizer + orient + label + gridsizer + rows + cols + vgap + hgap + flexgridsizer + rows + cols + vgap + hgap + growablerows + growablecols + minsize +*/ + +// ---------------------------------------------------------------------------- // wxSizerItem -//--------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- -wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData ) +void wxSizerItem::Init(const wxSizerFlags& flags) { - m_window = (wxWindow *) NULL; - m_sizer = (wxSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; + Init(); - // minimal size is the initial size - m_minSize.x = width; - m_minSize.y = height; + m_proportion = flags.GetProportion(); + m_flag = flags.GetFlags(); + m_border = flags.GetBorderInPixels(); +} + +wxSizerItem::wxSizerItem() +{ + Init(); - SetRatio(width, height); + m_proportion = 0; + m_border = 0; + m_flag = 0; - // size is set directly - m_size = m_minSize; + m_kind = Item_None; } -wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData ) +// window item +void wxSizerItem::SetWindow(wxWindow *window) { + wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") ); + + m_kind = Item_Window; m_window = window; - m_sizer = (wxSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; - // minimal size is the initial size + // window doesn't become smaller than its initial size, whatever happens m_minSize = window->GetSize(); + if ( m_flag & wxFIXED_MINSIZE ) + window->SetMinSize(m_minSize); + // aspect ratio calculated from initial size SetRatio(m_minSize); +} - // size is calculated later - // m_size = ... +wxSizerItem::wxSizerItem(wxWindow *window, + int proportion, + int flag, + int border, + wxObject* userData) + : m_proportion(proportion), + m_border(border), + m_flag(flag), + m_userData(userData) +{ + SetWindow(window); } -wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +// sizer item +void wxSizerItem::SetSizer(wxSizer *sizer) { - m_window = (wxWindow *) NULL; + m_kind = Item_Sizer; m_sizer = sizer; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; +} + +wxSizerItem::wxSizerItem(wxSizer *sizer, + int proportion, + int flag, + int border, + wxObject* userData) + : m_proportion(proportion), + m_border(border), + m_flag(flag), + m_ratio(0.0), + m_userData(userData) +{ + SetSizer(sizer); - // minimal size is calculated later - // m_minSize = ... - m_ratio = 0; + // m_minSize is set later +} + +// spacer item +void wxSizerItem::SetSpacer(const wxSize& size) +{ + m_kind = Item_Spacer; + m_spacer = new wxSizerSpacer(size); + m_minSize = size; + SetRatio(size); +} - // size is calculated later - // m_size = ... +wxSizerItem::wxSizerItem(int width, + int height, + int proportion, + int flag, + int border, + wxObject* userData) + : m_minSize(width, height), // minimal size is the initial size + m_proportion(proportion), + m_border(border), + m_flag(flag), + m_userData(userData) +{ + SetSpacer(width, height); } wxSizerItem::~wxSizerItem() { - if (m_userData) - delete m_userData; - if (m_sizer) - delete m_sizer; + delete m_userData; + + switch ( m_kind ) + { + case Item_None: + break; + + case Item_Window: + m_window->SetContainingSizer(NULL); + break; + + case Item_Sizer: + delete m_sizer; + break; + + case Item_Spacer: + delete m_spacer; + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } +} + +wxSize wxSizerItem::GetSpacer() const +{ + wxSize size; + if ( m_kind == Item_Spacer ) + size = m_spacer->GetSize(); + + return size; } -wxSize wxSizerItem::GetSize() +wxSize wxSizerItem::GetSize() const { wxSize ret; - if (IsSizer()) - ret = m_sizer->GetSize(); - else - if (IsWindow()) - ret = m_window->GetSize(); - else ret = m_size; + switch ( m_kind ) + { + case Item_None: + break; + + case Item_Window: + ret = m_window->GetSize(); + break; + + case Item_Sizer: + ret = m_sizer->GetSize(); + break; + + case Item_Spacer: + ret = m_spacer->GetSize(); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } if (m_flag & wxWEST) ret.x += m_border; @@ -127,25 +263,28 @@ wxSize wxSizerItem::GetSize() wxSize wxSizerItem::CalcMin() { - wxSize ret; if (IsSizer()) { - ret = m_sizer->CalcMin(); + m_minSize = 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) && wxIsNullDouble(m_ratio) ) + SetRatio(m_minSize); + } + else if ( IsWindow() ) + { + // Since the size of the window may change during runtime, we + // should use the current minimal/best size. + m_minSize = m_window->GetBestFittingSize(); } -/* - The minimum size of a window should be the - initial size, as saved in m_minSize, not the - current size. + return GetMinSizeWithBorder(); +} - else - if (IsWindow()) - ret = m_window->GetSize(); -*/ - else ret = m_minSize; +wxSize wxSizerItem::GetMinSizeWithBorder() const +{ + wxSize ret = m_minSize; if (m_flag & wxWEST) ret.x += m_border; @@ -159,30 +298,17 @@ wxSize wxSizerItem::CalcMin() return ret; } -void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) + +void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ ) { - if (m_flag & wxWEST) - { - pos.x += m_border; - size.x -= m_border; - } - if (m_flag & wxEAST) + wxPoint pos = pos_; + wxSize size = size_; + if (m_flag & wxSHAPED) { - 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 @@ -192,7 +318,9 @@ 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; @@ -202,322 +330,1494 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) } } - if (IsSizer()) - m_sizer->SetDimension( pos.x, pos.y, size.x, size.y ); + // 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 (size.x < 0) + size.x = 0; + if (size.y < 0) + size.y = 0; + + m_rect = wxRect(pos, size); + + switch ( m_kind ) + { + case Item_None: + wxFAIL_MSG( _T("can't set size of uninitialized sizer item") ); + break; + + case Item_Window: + m_window->SetSize(pos.x, pos.y, size.x, size.y, + wxSIZE_ALLOW_MINUS_ONE); + break; + + case Item_Sizer: + m_sizer->SetDimension(pos.x, pos.y, size.x, size.y); + break; + + case Item_Spacer: + m_spacer->SetSize(size); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } +} + +void wxSizerItem::DeleteWindows() +{ + switch ( m_kind ) + { + case Item_None: + case Item_Spacer: + break; + + case Item_Window: + //We are deleting the window from this sizer - normally + //the window destroys the sizer associated with it, + //which might destroy this, which we don't want + m_window->SetContainingSizer(NULL); + m_window->Destroy(); + //Putting this after the switch will result in a spacer + //not being deleted properly on destruction + m_kind = Item_None; + break; + + case Item_Sizer: + m_sizer->DeleteWindows(); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } + +} + +void wxSizerItem::Show( bool show ) +{ + switch ( m_kind ) + { + case Item_None: + wxFAIL_MSG( _T("can't show uninitialized sizer item") ); + break; + + case Item_Window: + m_window->Show(show); + break; - if (IsWindow()) - m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE ); + case Item_Sizer: + m_sizer->Show(show); + break; - m_size = size; + case Item_Spacer: + m_spacer->Show(show); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } } -bool wxSizerItem::IsWindow() +bool wxSizerItem::IsShown() const { - return (m_window != NULL); + switch ( m_kind ) + { + case Item_None: + // we may be called from CalcMin(), just return false so that we're + // not used + break; + + case Item_Window: + 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; + + case Item_Spacer: + return m_spacer->IsShown(); + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } + + return false; } -bool wxSizerItem::IsSizer() +#if WXWIN_COMPATIBILITY_2_6 +void wxSizerItem::SetOption( int option ) { - return (m_sizer != NULL); + SetProportion( option ); } -bool wxSizerItem::IsSpacer() +int wxSizerItem::GetOption() const { - return (m_window == NULL) && (m_sizer == NULL); + return GetProportion(); } +#endif // WXWIN_COMPATIBILITY_2_6 + //--------------------------------------------------------------------------- // wxSizer //--------------------------------------------------------------------------- -wxSizer::wxSizer() -{ - m_children.DeleteContents( TRUE ); -} - wxSizer::~wxSizer() { + WX_CLEAR_LIST(wxSizerItemList, m_children); } -void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData ) +wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item ) { - m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); + m_children.Insert( index, item ); + + if ( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); + + return item; } -void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +void wxSizer::SetContainingWindow(wxWindow *win) { - m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) ); + if ( win == m_containingWindow ) + return; + + m_containingWindow = win; + + // set the same window for all nested sizers as well, they also are in the + // same window + for ( wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + node; + node = node->GetNext() ) + { + wxSizerItem *const item = node->GetData(); + wxSizer *const sizer = item->GetSizer(); + + if ( sizer ) + { + sizer->SetContainingWindow(win); + } + } } -void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData ) +#if WXWIN_COMPATIBILITY_2_6 +bool wxSizer::Remove( wxWindow *window ) { - m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) ); + return Detach( window ); } +#endif // WXWIN_COMPATIBILITY_2_6 -void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Remove( wxSizer *sizer ) { - m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); + wxASSERT_MSG( sizer, _T("Removing NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + delete item; + m_children.Erase( node ); + return true; + } + + node = node->GetNext(); + } + + return false; } -void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Remove( int index ) { - m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) ); + wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), + false, + _T("Remove index is out of range") ); + + wxSizerItemList::compatibility_iterator node = m_children.Item( index ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + wxSizerItem *item = node->GetData(); + + if ( item->IsWindow() ) + item->GetWindow()->SetContainingSizer( NULL ); + + delete item; + m_children.Erase( node ); + return true; } -void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Detach( wxSizer *sizer ) { - m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) ); + wxASSERT_MSG( sizer, _T("Detaching NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + item->DetachSizer(); + delete item; + m_children.Erase( node ); + return true; + } + node = node->GetNext(); + } + + return false; } -void wxSizer::Insert( int before, wxWindow *window, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Detach( wxWindow *window ) { - m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) ); + wxASSERT_MSG( window, _T("Detaching NULL window") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + item->GetWindow()->SetContainingSizer( NULL ); + delete item; + m_children.Erase( node ); + return true; + } + node = node->GetNext(); + } + + return false; } -void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Detach( int index ) { - m_children.Insert( before, new wxSizerItem( sizer, option, flag, border, userData ) ); + wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), + false, + _T("Detach index is out of range") ); + + wxSizerItemList::compatibility_iterator node = m_children.Item( index ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + wxSizerItem *item = node->GetData(); + + if ( item->IsSizer() ) + item->DetachSizer(); + else if ( item->IsWindow() ) + item->GetWindow()->SetContainingSizer( NULL ); + + delete item; + m_children.Erase( node ); + return true; } -void wxSizer::Insert( int before, int width, int height, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive ) { - m_children.Insert( before, new wxSizerItem( width, height, option, flag, border, userData ) ); + wxASSERT_MSG( oldwin, _T("Replacing NULL window") ); + wxASSERT_MSG( newwin, _T("Replacing with NULL window") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == oldwin) + { + item->GetWindow()->SetContainingSizer( NULL ); + item->SetWindow(newwin); + newwin->SetContainingSizer( this ); + return true; + } + else if (recursive && item->IsSizer()) + { + if (item->GetSizer()->Replace( oldwin, newwin, true )) + return true; + } + + node = node->GetNext(); + } + + return false; } -bool wxSizer::Remove( wxWindow *window ) +bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive ) { - wxASSERT( window ); + wxASSERT_MSG( oldsz, _T("Replacing NULL sizer") ); + wxASSERT_MSG( newsz, _T("Replacing with NULL sizer") ); - wxNode *node = m_children.First(); + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*)node->Data(); - if (item->GetWindow() == window) - { - m_children.DeleteNode( node ); - return TRUE; - } - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == oldsz) + { + wxSizer *old = item->GetSizer(); + item->SetSizer(newsz); + delete old; + return true; + } + else if (recursive && item->IsSizer()) + { + if (item->GetSizer()->Replace( oldsz, newsz, true )) + return true; + } + + node = node->GetNext(); } - return FALSE; + return false; } -bool wxSizer::Remove( wxSizer *sizer ) +bool wxSizer::Replace( size_t old, wxSizerItem *newitem ) { - wxASSERT( sizer ); + wxCHECK_MSG( old < m_children.GetCount(), false, _T("Replace index is out of range") ); + wxASSERT_MSG( newitem, _T("Replacing with NULL item") ); + + wxSizerItemList::compatibility_iterator node = m_children.Item( old ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + wxSizerItem *item = node->GetData(); + node->SetData(newitem); + delete item; - wxNode *node = m_children.First(); + return true; +} + +void wxSizer::Clear( bool delete_windows ) +{ + // First clear the ContainingSizer pointers + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*)node->Data(); - if (item->GetSizer() == sizer) - { - m_children.DeleteNode( node ); - return TRUE; - } - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if (item->IsWindow()) + item->GetWindow()->SetContainingSizer( NULL ); + node = node->GetNext(); } - return FALSE; + // Destroy the windows if needed + if (delete_windows) + DeleteWindows(); + + // Now empty the list + WX_CLEAR_LIST(wxSizerItemList, m_children); +} + +void wxSizer::DeleteWindows() +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + item->DeleteWindows(); + node = node->GetNext(); + } } -bool wxSizer::Remove( int pos ) +wxSize wxSizer::Fit( wxWindow *window ) { - wxNode *node = m_children.Nth( pos ); - if (!node) return FALSE; + wxSize size(window->IsTopLevel() ? FitSize(window) + : GetMinWindowSize(window)); - m_children.DeleteNode( node ); + window->SetSize( size ); - return TRUE; + return size; } -void wxSizer::Fit( wxWindow *window ) +void wxSizer::FitInside( wxWindow *window ) { - window->SetSize( GetMinWindowSize( window ) ); + wxSize size; + if (window->IsTopLevel()) + size = VirtualFitSize( window ); + else + size = GetMinClientSize( window ); + + window->SetVirtualSize( size ); } void wxSizer::Layout() { + // (re)calculates minimums needed for each item and other preparations + // for layout CalcMin(); + + // Applies the layout and repositions/resizes the items RecalcSizes(); } 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 = Fit( window ); + + window->SetSizeHints( size.x, + size.y, + window->GetMaxWidth(), + window->GetMaxHeight() ); } -wxSize wxSizer::GetMinWindowSize( wxWindow *window ) +void wxSizer::SetVirtualSizeHints( wxWindow *window ) { - wxSize minSize( GetMinSize() ); - wxSize size( window->GetSize() ); - wxSize client_size( window->GetClientSize() ); - return wxSize( minSize.x+size.x-client_size.x, - minSize.y+size.y-client_size.y ); + // Preserve the window's max size hints, but set the + // lower bound according to the sizer calculations. + + FitInside( window ); + wxSize size( window->GetVirtualSize() ); + window->SetVirtualSizeHints( size.x, + size.y, + window->GetMaxWidth(), + window->GetMaxHeight() ); } -void wxSizer::SetDimension( int x, int y, int width, int height ) +wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const { - m_position.x = x; - m_position.y = y; - m_size.x = width; - m_size.y = height; - CalcMin(); - RecalcSizes(); + return window->GetMaxSize(); } -//--------------------------------------------------------------------------- -// wxBoxSizer -//--------------------------------------------------------------------------- - -wxBoxSizer::wxBoxSizer( int orient ) +wxSize wxSizer::GetMinWindowSize( wxWindow *window ) { - m_orient = orient; + wxSize minSize( GetMinSize() ); + wxSize size( window->GetSize() ); + wxSize client_size( window->GetClientSize() ); + + return wxSize( minSize.x+size.x-client_size.x, + minSize.y+size.y-client_size.y ); } -void wxBoxSizer::RecalcSizes() -{ - if (m_children.GetCount() == 0) - return; +// TODO on mac we need a function that determines how much free space this +// min size contains, in order to make sure that we have 20 pixels of free +// space around the controls - int delta = 0; - int extra = 0; - if (m_stretchable) +// Return a window size that will fit within the screens dimensions +wxSize wxSizer::FitSize( wxWindow *window ) +{ + if ( window->IsTopLevel() ) { - if (m_orient == wxHORIZONTAL) + wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow); + if ( tlw && tlw->IsAlwaysMaximized() ) { - delta = (m_size.x - m_fixedWidth) / m_stretchable; - extra = (m_size.x - m_fixedWidth) % m_stretchable; - } - else - { - delta = (m_size.y - m_fixedHeight) / m_stretchable; - extra = (m_size.y - m_fixedHeight) % m_stretchable; - } + return tlw->GetClientSize(); + } } - wxPoint pt( m_position ); - - wxNode *node = m_children.GetFirst(); - while (node) - { - wxSizerItem *item = (wxSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); + wxSize size = GetMinWindowSize( window ); + wxSize sizeMax = GetMaxWindowSize( window ); - wxSize size( item->CalcMin() ); + // Limit the size if sizeMax != wxDefaultSize - if (m_orient == wxVERTICAL) - { - wxCoord height = size.y; - if (item->GetOption()) - { - height = (delta * weight) + extra; - extra = 0; // only the first item will get the remainder as extra size - } + if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord ) + size.y = sizeMax.y; - wxPoint child_pos( pt ); - wxSize child_size( wxSize( size.x, height) ); + return size; +} - 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)) - // XXX wxCENTER is added for backward compatibility; - // wxALIGN_CENTER should be used in new code - child_pos.x += (m_size.x - size.x) / 2; +wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const +{ + wxSize maxSize( window->GetMaxSize() ); - item->SetDimension( child_pos, child_size ); + if ( maxSize != wxDefaultSize ) + { + wxSize size( window->GetSize() ); + wxSize client_size( window->GetClientSize() ); - pt.y += height; - } - else - { - wxCoord width = size.x; - if (item->GetOption()) - { - width = (delta * weight) + extra; - extra = 0; // only the first item will get the remainder as extra size - } + return wxSize( maxSize.x + client_size.x - size.x, + maxSize.y + client_size.y - size.y ); + } + else + return wxDefaultSize; +} - wxPoint child_pos( pt ); - wxSize child_size( wxSize(width, size.y) ); +wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) +{ + return GetMinSize(); // Already returns client size. +} - 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)) - // XXX wxCENTER is added for backward compatibility; - // wxALIGN_CENTER should be used in new code - child_pos.y += (m_size.y - size.y) / 2; +wxSize wxSizer::VirtualFitSize( wxWindow *window ) +{ + wxSize size = GetMinClientSize( window ); + wxSize sizeMax = GetMaxClientSize( window ); - item->SetDimension( child_pos, child_size ); + // Limit the size if sizeMax != wxDefaultSize - pt.x += width; - } + if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord ) + size.y = sizeMax.y; - node = node->Next(); - } + return size; } -wxSize wxBoxSizer::CalcMin() +void wxSizer::SetDimension( int x, int y, int width, int height ) { - if (m_children.GetCount() == 0) - return wxSize(10,10); - + m_position.x = x; + m_position.y = y; + m_size.x = width; + m_size.y = height; + Layout(); +} + +wxSize wxSizer::GetMinSize() +{ + wxSize ret( CalcMin() ); + if (ret.x < m_minSize.x) ret.x = m_minSize.x; + if (ret.y < m_minSize.y) ret.y = m_minSize.y; + return ret; +} + +void wxSizer::DoSetMinSize( int width, int height ) +{ + m_minSize.x = width; + m_minSize.y = height; +} + +bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) +{ + wxASSERT_MSG( window, _T("SetMinSize for NULL window") ); + + // Is it our immediate child? + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + item->SetMinSize( width, height ); + return true; + } + node = node->GetNext(); + } + + // No? Search any subsizers we own then + + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if ( item->GetSizer() && + item->GetSizer()->DoSetItemMinSize( window, width, height ) ) + { + // A child sizer found the requested windw, exit. + return true; + } + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height ) +{ + wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") ); + + // Is it our immediate child? + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + item->GetSizer()->DoSetMinSize( width, height ); + return true; + } + node = node->GetNext(); + } + + // No? Search any subsizers we own then + + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if ( item->GetSizer() && + item->GetSizer()->DoSetItemMinSize( sizer, width, height ) ) + { + // A child found the requested sizer, exit. + return true; + } + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::DoSetItemMinSize( size_t index, int width, int height ) +{ + wxSizerItemList::compatibility_iterator node = m_children.Item( index ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + wxSizerItem *item = node->GetData(); + + if (item->GetSizer()) + { + // Sizers contains the minimal size in them, if not calculated ... + item->GetSizer()->DoSetMinSize( width, height ); + } + else + { + // ... but the minimal size of spacers and windows is stored via the item + item->SetMinSize( width, height ); + } + + return true; +} + +wxSizerItem* wxSizer::GetItem( wxWindow *window, bool recursive ) +{ + wxASSERT_MSG( window, _T("GetItem for NULL window") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + return item; + } + else if (recursive && item->IsSizer()) + { + wxSizerItem *subitem = item->GetSizer()->GetItem( window, true ); + if (subitem) + return subitem; + } + + node = node->GetNext(); + } + + return NULL; +} + +wxSizerItem* wxSizer::GetItem( wxSizer *sizer, bool recursive ) +{ + wxASSERT_MSG( sizer, _T("GetItem for NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + return item; + } + else if (recursive && item->IsSizer()) + { + wxSizerItem *subitem = item->GetSizer()->GetItem( sizer, true ); + if (subitem) + return subitem; + } + + node = node->GetNext(); + } + + return NULL; +} + +wxSizerItem* wxSizer::GetItem( size_t index ) +{ + wxCHECK_MSG( index < m_children.GetCount(), + NULL, + _T("GetItem index is out of range") ); + + return m_children.Item( index )->GetData(); +} + +bool wxSizer::Show( wxWindow *window, bool show, bool recursive ) +{ + wxSizerItem *item = GetItem( window, recursive ); + + if ( item ) + { + item->Show( show ); + return true; + } + + return false; +} + +bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive ) +{ + wxSizerItem *item = GetItem( sizer, recursive ); + + if ( item ) + { + item->Show( show ); + return true; + } + + return false; +} + +bool wxSizer::Show( size_t index, bool show) +{ + wxSizerItem *item = GetItem( index ); + + if ( item ) + { + item->Show( show ); + return true; + } + + return false; +} + +void wxSizer::ShowItems( bool show ) +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + node->GetData()->Show( show ); + node = node->GetNext(); + } +} + +bool wxSizer::IsShown( wxWindow *window ) const +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + return item->IsShown(); + } + node = node->GetNext(); + } + + wxFAIL_MSG( _T("IsShown failed to find sizer item") ); + + return false; +} + +bool wxSizer::IsShown( wxSizer *sizer ) const +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + return item->IsShown(); + } + node = node->GetNext(); + } + + wxFAIL_MSG( _T("IsShown failed to find sizer item") ); + + return false; +} + +bool wxSizer::IsShown( size_t index ) const +{ + wxCHECK_MSG( index < m_children.GetCount(), + false, + _T("IsShown index is out of range") ); + + return m_children.Item( index )->GetData()->IsShown(); +} + + +//--------------------------------------------------------------------------- +// wxGridSizer +//--------------------------------------------------------------------------- + +wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap ) + : m_rows( ( cols == 0 && rows == 0 ) ? 1 : rows ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) +{ +} + +wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) + : m_rows( cols == 0 ? 1 : 0 ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) +{ +} + +int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const +{ + int nitems = m_children.GetCount(); + if ( nitems) + { + if ( m_cols ) + { + ncols = m_cols; + nrows = (nitems + m_cols - 1) / m_cols; + } + else if ( m_rows ) + { + ncols = (nitems + m_rows - 1) / m_rows; + nrows = m_rows; + } + else // 0 columns, 0 rows? + { + wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") ); + + nrows = ncols = 0; + } + } + + return nitems; +} + +void wxGridSizer::RecalcSizes() +{ + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + return; + + wxSize sz( GetSize() ); + wxPoint pt( GetPosition() ); + + int w = (sz.x - (ncols - 1) * m_hgap) / ncols; + int h = (sz.y - (nrows - 1) * m_vgap) / nrows; + + int x = pt.x; + for (int c = 0; c < ncols; c++) + { + int y = pt.y; + for (int r = 0; r < nrows; r++) + { + int i = r * ncols + c; + if (i < nitems) + { + wxSizerItemList::compatibility_iterator node = m_children.Item( i ); + + wxASSERT_MSG( node, _T("Failed to find SizerItemList node") ); + + SetItemBounds( node->GetData(), x, y, w, h); + } + y = y + h + m_vgap; + } + x = x + w + m_hgap; + } +} + +wxSize wxGridSizer::CalcMin() +{ + int nrows, ncols; + if ( CalcRowsCols(nrows, ncols) == 0 ) + return wxSize(); + + // Find the max width and height for any component + int w = 0; + int h = 0; + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + wxSize sz( item->CalcMin() ); + + w = wxMax( w, sz.x ); + h = wxMax( h, sz.y ); + + node = node->GetNext(); + } + + return wxSize( ncols * w + (ncols-1) * m_hgap, + nrows * h + (nrows-1) * m_vgap ); +} + +void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h ) +{ + wxPoint pt( x,y ); + wxSize sz( item->GetMinSizeWithBorder() ); + int flag = item->GetFlag(); + + if ((flag & wxEXPAND) || (flag & wxSHAPED)) + { + sz = wxSize(w, h); + } + else + { + if (flag & wxALIGN_CENTER_HORIZONTAL) + { + pt.x = x + (w - sz.x) / 2; + } + else if (flag & wxALIGN_RIGHT) + { + pt.x = x + (w - sz.x); + } + + if (flag & wxALIGN_CENTER_VERTICAL) + { + pt.y = y + (h - sz.y) / 2; + } + else if (flag & wxALIGN_BOTTOM) + { + pt.y = y + (h - sz.y); + } + } + + item->SetDimension(pt, sz); +} + +//--------------------------------------------------------------------------- +// wxFlexGridSizer +//--------------------------------------------------------------------------- + +wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap ) + : wxGridSizer( rows, cols, vgap, hgap ), + m_flexDirection(wxBOTH), + m_growMode(wxFLEX_GROWMODE_SPECIFIED) +{ +} + +wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap ) + : wxGridSizer( cols, vgap, hgap ), + m_flexDirection(wxBOTH), + m_growMode(wxFLEX_GROWMODE_SPECIFIED) +{ +} + +wxFlexGridSizer::~wxFlexGridSizer() +{ +} + +void wxFlexGridSizer::RecalcSizes() +{ + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + return; + + wxPoint pt( GetPosition() ); + wxSize sz( GetSize() ); + + AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols); + + sz = wxSize( pt.x + sz.x, pt.y + sz.y ); + + int x = pt.x; + for (int c = 0; c < ncols; c++) + { + int y = pt.y; + for (int r = 0; r < nrows; r++) + { + int i = r * ncols + c; + if (i < nitems) + { + wxSizerItemList::compatibility_iterator node = m_children.Item( i ); + + wxASSERT_MSG( node, _T("Failed to find node") ); + + int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) ); + int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) ); + + SetItemBounds( node->GetData(), x, y, w, h); + } + if (m_rowHeights[r] != -1) + y = y + m_rowHeights[r] + m_vgap; + } + if (m_colWidths[c] != -1) + x = x + m_colWidths[c] + m_hgap; + } +} + +wxSize wxFlexGridSizer::CalcMin() +{ + int nrows, + ncols; + size_t i, s; + + // Number of rows/columns can change as items are added or removed. + if ( !CalcRowsCols(nrows, ncols) ) + return wxSize(); + + m_rowHeights.SetCount(nrows); + m_colWidths.SetCount(ncols); + + // We have to recalcuate the sizes in case the item minimum size has + // changed since the previous layout, or the item has been hidden using + // wxSizer::Show(). If all the items in a row/column are hidden, the final + // dimension of the row/column will be -1, indicating that the column + // itself is hidden. + for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i ) + m_rowHeights[ i ] = -1; + for( s = m_colWidths.GetCount(), i = 0; i < s; ++i ) + m_colWidths[ i ] = -1; + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + + i = 0; + while (node) + { + wxSizerItem *item = node->GetData(); + if ( item->IsShown() ) + { + wxSize sz( item->CalcMin() ); + int row = i / ncols; + int col = i % ncols; + + m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] ); + m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] ); + } + + node = node->GetNext(); + i++; + } + + AdjustForFlexDirection(); + + // Sum total minimum size, including gaps between rows/columns. + // -1 is used as a magic number meaning empty column. + int width = 0; + for (int col = 0; col < ncols; col++) + if ( m_colWidths[ col ] != -1 ) + width += m_colWidths[ col ] + m_hgap; + if (width > 0) + width -= m_hgap; + + int height = 0; + for (int row = 0; row < nrows; row++) + if ( m_rowHeights[ row ] != -1 ) + height += m_rowHeights[ row ] + m_vgap; + if (height > 0) + height -= m_vgap; + + m_calculatedMinSize = wxSize( width, height ); + return m_calculatedMinSize; +} + +void wxFlexGridSizer::AdjustForFlexDirection() +{ + // the logic in CalcMin works when we resize flexibly in both directions + // but maybe this is not the case + if ( m_flexDirection != wxBOTH ) + { + // select the array corresponding to the direction in which we do *not* + // resize flexibly + wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths + : m_rowHeights; + + const size_t count = array.GetCount(); + + // find the largest value in this array + size_t n; + int largest = 0; + + for ( n = 0; n < count; ++n ) + { + if ( array[n] > largest ) + largest = array[n]; + } + + // and now fill it with the largest value + for ( n = 0; n < count; ++n ) + { + array[n] = largest; + } + } +} + + +void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz, + int nrows, int ncols) +{ + // what to do with the rows? by default, resize them proportionally + if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) + { + int sum_proportions = 0; + int growable_space = 0; + int num = 0; + size_t idx; + for (idx = 0; idx < m_growableRows.GetCount(); idx++) + { + // Since the number of rows/columns can change as items are + // inserted/deleted, we need to verify at runtime that the + // requested growable rows/columns are still valid. + if (m_growableRows[idx] >= nrows) + continue; + + // If all items in a row/column are hidden, that row/column will + // have a dimension of -1. This causes the row/column to be + // hidden completely. + if (m_rowHeights[ m_growableRows[idx] ] == -1) + continue; + sum_proportions += m_growableRowsProportions[idx]; + growable_space += m_rowHeights[ m_growableRows[idx] ]; + num++; + } + + if (num > 0) + { + for (idx = 0; idx < m_growableRows.GetCount(); idx++) + { + if (m_growableRows[idx] >= nrows ) + continue; + if (m_rowHeights[ m_growableRows[idx] ] == -1) + m_rowHeights[ m_growableRows[idx] ] = 0; + else + { + int delta = (sz.y - minsz.y); + if (sum_proportions == 0) + delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ]; + else + delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions; + m_rowHeights[ m_growableRows[idx] ] = delta; + } + } + } + } + else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) ) + { + // rounding problem? + for ( int row = 0; row < nrows; ++row ) + m_rowHeights[ row ] = sz.y / nrows; + } + + // the same logic as above but for the columns + if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) + { + int sum_proportions = 0; + int growable_space = 0; + int num = 0; + size_t idx; + for (idx = 0; idx < m_growableCols.GetCount(); idx++) + { + // Since the number of rows/columns can change as items are + // inserted/deleted, we need to verify at runtime that the + // requested growable rows/columns are still valid. + if (m_growableCols[idx] >= ncols) + continue; + + // If all items in a row/column are hidden, that row/column will + // have a dimension of -1. This causes the column to be hidden + // completely. + if (m_colWidths[ m_growableCols[idx] ] == -1) + continue; + sum_proportions += m_growableColsProportions[idx]; + growable_space += m_colWidths[ m_growableCols[idx] ]; + num++; + } + + if (num > 0) + { + for (idx = 0; idx < m_growableCols.GetCount(); idx++) + { + if (m_growableCols[idx] >= ncols ) + continue; + if (m_colWidths[ m_growableCols[idx] ] == -1) + m_colWidths[ m_growableCols[idx] ] = 0; + else + { + int delta = (sz.x - minsz.x); + if (sum_proportions == 0) + delta = (delta/num) + m_colWidths[ m_growableCols[idx] ]; + else + delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions; + m_colWidths[ m_growableCols[idx] ] = delta; + } + } + } + } + else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) ) + { + for ( int col=0; col < ncols; ++col ) + m_colWidths[ col ] = sz.x / ncols; + } +} + + +void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) +{ + m_growableRows.Add( idx ); + m_growableRowsProportions.Add( proportion ); +} + +void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) +{ + m_growableCols.Add( idx ); + m_growableColsProportions.Add( proportion ); +} + +// helper function for RemoveGrowableCol/Row() +static void +DoRemoveFromArrays(size_t idx, wxArrayInt& items, wxArrayInt& proportions) +{ + const size_t count = items.size(); + for ( size_t n = 0; n < count; n++ ) + { + if ( (size_t)items[n] == idx ) + { + items.RemoveAt(n); + proportions.RemoveAt(n); + return; + } + } + + wxFAIL_MSG( _T("column/row is already not growable") ); +} + +void wxFlexGridSizer::RemoveGrowableCol( size_t idx ) +{ + DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions); +} + +void wxFlexGridSizer::RemoveGrowableRow( size_t idx ) +{ + DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions); +} + +//--------------------------------------------------------------------------- +// wxBoxSizer +//--------------------------------------------------------------------------- + +wxBoxSizer::wxBoxSizer( int orient ) + : m_orient( orient ) +{ +} + +void wxBoxSizer::RecalcSizes() +{ + if (m_children.GetCount() == 0) + return; + + int delta = 0; + if (m_stretchable) + { + if (m_orient == wxHORIZONTAL) + delta = m_size.x - m_fixedWidth; + else + delta = m_size.y - m_fixedHeight; + } + + wxPoint pt( m_position ); + + wxSizerItemList::compatibility_iterator 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()) + { + // Because of at least one visible item has non-zero + // proportion then m_stretchable is not zero + height = (delta * item->GetProportion()) / m_stretchable; + } + + 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)) + // XXX wxCENTER is added for backward compatibility; + // wxALIGN_CENTER should be used in new code + 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()) + { + // Because of at least one visible item has non-zero + // proportion then m_stretchable is not zero + width = (delta * item->GetProportion()) / m_stretchable; + } + + 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)) + // XXX wxCENTER is added for backward compatibility; + // wxALIGN_CENTER should be used in new code + child_pos.y += (m_size.y - size.y) / 2; + + if ( m_containingWindow ) + { + child_pos.x = m_containingWindow->AdjustForLayoutDirection + ( + child_pos.x, + width, + m_size.x + ); + } + + item->SetDimension( child_pos, child_size ); + + pt.x += width; + } + } + + node = node->GetNext(); + } +} + +wxSize wxBoxSizer::CalcMin() +{ + if (m_children.GetCount() == 0) + return wxSize(); + m_stretchable = 0; m_minWidth = 0; m_minHeight = 0; m_fixedWidth = 0; m_fixedHeight = 0; - wxNode *node = m_children.GetFirst(); + // precalc item minsizes and count proportions + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); - - wxSize size( item->CalcMin() ); - - if (m_orient == wxHORIZONTAL) - { - m_minWidth += (size.x * weight); - m_minHeight = wxMax( m_minHeight, size.y ); - } - else - { - m_minHeight += (size.y * weight); - m_minWidth = wxMax( m_minWidth, size.x ); - } - - if (item->GetOption()) - { - m_stretchable += weight; - } - else - { - if (m_orient == wxVERTICAL) - { - m_fixedHeight += size.y; - m_fixedWidth = wxMax( m_fixedWidth, size.x ); - } - else - { - m_fixedWidth += size.x; - m_fixedHeight = wxMax( m_fixedHeight, size.y ); - } - } - - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if ( item->IsShown() ) + { + item->CalcMin(); // result is stored in the item + + m_stretchable += item->GetProportion(); + } + + node = node->GetNext(); + } + + // Total minimum size (width or height) of sizer + int maxMinSize = 0; + + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->IsShown() && item->GetProportion() != 0) + { + int stretch = item->GetProportion(); + wxSize size( item->GetMinSizeWithBorder() ); + int minSize; + + // Integer division rounded up is (a + b - 1) / b + // Round up needed in order to guarantee that all + // all items will have size not less then their min size + if (m_orient == wxHORIZONTAL) + minSize = ( size.x*m_stretchable + stretch - 1)/stretch; + else + minSize = ( size.y*m_stretchable + stretch - 1)/stretch; + + if (minSize > maxMinSize) + maxMinSize = minSize; + } + node = node->GetNext(); + } + + // Calculate overall minimum size + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->IsShown()) + { + wxSize size( item->GetMinSizeWithBorder() ); + if (item->GetProportion() != 0) + { + if (m_orient == wxHORIZONTAL) + size.x = (maxMinSize*item->GetProportion())/m_stretchable; + else + size.y = (maxMinSize*item->GetProportion())/m_stretchable; + } + else + { + if (m_orient == wxVERTICAL) + { + m_fixedHeight += size.y; + m_fixedWidth = wxMax( m_fixedWidth, size.x ); + } + else + { + m_fixedWidth += size.x; + m_fixedHeight = wxMax( m_fixedHeight, size.y ); + } + } + + if (m_orient == wxHORIZONTAL) + { + m_minWidth += size.x; + m_minHeight = wxMax( m_minHeight, size.y ); + } + else + { + m_minHeight += size.y; + m_minWidth = wxMax( m_minWidth, size.x ); + } + } + node = node->GetNext(); } return wxSize( m_minWidth, m_minHeight ); @@ -527,22 +1827,45 @@ wxSize wxBoxSizer::CalcMin() // wxStaticBoxSizer //--------------------------------------------------------------------------- +#if wxUSE_STATBOX + wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) - : wxBoxSizer( orient ) + : wxBoxSizer( orient ), + m_staticBox( box ) { wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); - m_staticBox = box; + // do this so that our Detach() is called if the static box is destroyed + // before we are + m_staticBox->SetContainingSizer(this); +} + +wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s) + : wxBoxSizer(orient), + m_staticBox(new wxStaticBox(win, wxID_ANY, s)) +{ + // same as above + m_staticBox->SetContainingSizer(this); +} + +wxStaticBoxSizer::~wxStaticBoxSizer() +{ + delete m_staticBox; +} + +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 + box->GetBordersForSizer(borderTop, borderOther); } 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 ); @@ -561,13 +1884,8 @@ 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; @@ -576,66 +1894,292 @@ wxSize wxStaticBoxSizer::CalcMin() return ret; } -//--------------------------------------------------------------------------- +void wxStaticBoxSizer::ShowItems( bool show ) +{ + m_staticBox->Show( show ); + wxBoxSizer::ShowItems( show ); +} + +bool wxStaticBoxSizer::Detach( wxWindow *window ) +{ + // avoid deleting m_staticBox in our dtor if it's being detached from the + // sizer (which can happen because it's being already destroyed for + // example) + if ( window == m_staticBox ) + { + m_staticBox = NULL; + return true; + } + + return wxSizer::Detach( window ); +} + +#endif // wxUSE_STATBOX + +#if wxUSE_BUTTON + +wxStdDialogButtonSizer::wxStdDialogButtonSizer() + : wxBoxSizer(wxHORIZONTAL) +{ + // Vertical buttons with lots of space on either side + // looks rubbish on WinCE, so let's not do this for now. + // If we are going to use vertical buttons, we should + // put the sizer to the right of other controls in the dialog, + // and that's beyond the scope of this sizer. +#ifndef __WXWINCE__ + bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); + // If we have a PDA screen, put yes/no button over + // all other buttons, otherwise on the left side. + if (is_pda) + m_orient = wxVERTICAL; +#endif + + m_buttonAffirmative = NULL; + m_buttonApply = NULL; + m_buttonNegative = NULL; + m_buttonCancel = NULL; + m_buttonHelp = NULL; +} + +void wxStdDialogButtonSizer::AddButton(wxButton *mybutton) +{ + switch (mybutton->GetId()) + { + case wxID_OK: + case wxID_YES: + case wxID_SAVE: + m_buttonAffirmative = mybutton; + break; + case wxID_APPLY: + m_buttonApply = mybutton; + break; + case wxID_NO: + m_buttonNegative = mybutton; + break; + case wxID_CANCEL: + m_buttonCancel = mybutton; + break; + case wxID_HELP: + case wxID_CONTEXT_HELP: + m_buttonHelp = mybutton; + break; + default: + break; + } +} + +void wxStdDialogButtonSizer::SetAffirmativeButton( wxButton *button ) +{ + m_buttonAffirmative = button; +} + +void wxStdDialogButtonSizer::SetNegativeButton( wxButton *button ) +{ + m_buttonNegative = button; +} + +void wxStdDialogButtonSizer::SetCancelButton( wxButton *button ) +{ + m_buttonCancel = button; +} + +void wxStdDialogButtonSizer::Realize() +{ +#ifdef __WXMAC__ + Add(0, 0, 0, wxLEFT, 6); + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); + + if (m_buttonNegative){ + // HIG POLICE BULLETIN - destructive buttons need extra padding + // 24 pixels on either side + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 12); + } + + // extra whitespace between help/negative and cancel/ok buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonCancel){ + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); + // Cancel or help should be default + // m_buttonCancel->SetDefaultButton(); + } + + // Ugh, Mac doesn't really have apply dialogs, so I'll just + // figure the best place is between Cancel and OK + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); + + if (m_buttonAffirmative){ + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6); + + if (m_buttonAffirmative->GetId() == wxID_SAVE){ + // these buttons have set labels under Mac so we should use them + m_buttonAffirmative->SetLabel(_("Save")); + m_buttonNegative->SetLabel(_("Don't Save")); + } + } + + // Extra space around and at the right + Add(12, 24); +#elif defined(__WXGTK20__) + Add(0, 0, 0, wxLEFT, 9); + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); + + // extra whitespace between help and cancel/ok buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonNegative){ + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); + } + + if (m_buttonCancel){ + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); + // Cancel or help should be default + // m_buttonCancel->SetDefaultButton(); + } + + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); + + if (m_buttonAffirmative) + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6); +#elif defined(__WXMSW__) + // Windows + + // right-justify buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonAffirmative){ + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(2, 0)).x); + } + + if (m_buttonNegative){ + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(2, 0)).x); + } + + if (m_buttonCancel){ + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(2, 0)).x); + } + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(2, 0)).x); + + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(2, 0)).x); +#else + // GTK+1 and any other platform + + // Add(0, 0, 0, wxLEFT, 5); // Not sure what this was for but it unbalances the dialog + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(4, 0)).x); + + // extra whitespace between help and cancel/ok buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(4, 0)).x); + + if (m_buttonAffirmative){ + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(4, 0)).x); + } + + if (m_buttonNegative){ + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(4, 0)).x); + } + + if (m_buttonCancel){ + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(4, 0)).x); + // Cancel or help should be default + // m_buttonCancel->SetDefaultButton(); + } + +#endif +} + +#endif // wxUSE_BUTTON + +#if WXWIN_COMPATIBILITY_2_4 + +// ---------------------------------------------------------------------------- // wxNotebookSizer -//--------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +#if wxUSE_BOOKCTRL +IMPLEMENT_CLASS(wxBookCtrlSizer, wxSizer) #if wxUSE_NOTEBOOK +IMPLEMENT_CLASS(wxNotebookSizer, wxBookCtrlSizer) +#endif // wxUSE_NOTEBOOK +#endif // wxUSE_BOOKCTRL -wxNotebookSizer::wxNotebookSizer( wxNotebook *nb ) +#if wxUSE_BOOKCTRL + +#if WXWIN_COMPATIBILITY_2_6 + +wxBookCtrlSizer::wxBookCtrlSizer(wxBookCtrlBase *bookctrl) + : m_bookctrl(bookctrl) { - wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") ); - - m_notebook = nb; + wxASSERT_MSG( bookctrl, wxT("wxBookCtrlSizer needs a control") ); } -void wxNotebookSizer::RecalcSizes() +#endif // WXWIN_COMPATIBILITY_2_6 + +void wxBookCtrlSizer::RecalcSizes() { - m_notebook->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); + m_bookctrl->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); } -wxSize wxNotebookSizer::CalcMin() +wxSize wxBookCtrlSizer::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. - - int borderX = 5; - int borderY = 5; - if ((m_notebook->HasFlag(wxNB_RIGHT)) || - (m_notebook->HasFlag(wxNB_LEFT))) - { - borderX += 70; // improvements later.. - } - else + wxSize sizeBorder = m_bookctrl->CalcSizeFromPage(wxSize(0,0)); + + sizeBorder.x += 5; + sizeBorder.y += 5; + + if ( m_bookctrl->GetPageCount() == 0 ) { - borderY += 35; // improvements later.. + return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); } - - if (m_notebook->GetChildren().GetCount() == 0) - return wxSize(borderX + 10, borderY + 10); int maxX = 0; int maxY = 0; - wxWindowList::Node *node = m_notebook->GetChildren().GetFirst(); + wxWindowList::compatibility_iterator + node = m_bookctrl->GetChildren().GetFirst(); while (node) { wxWindow *item = node->GetData(); - wxSizer *itemsizer = item->GetSizer(); - - if (itemsizer) - { + wxSizer *itemsizer = item->GetSizer(); + + if (itemsizer) + { wxSize subsize( itemsizer->CalcMin() ); - - if (subsize.x > maxX) maxX = subsize.x; - if (subsize.y > maxY) maxY = subsize.y; - } - node = node->GetNext(); + 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 +#if wxUSE_NOTEBOOK + +#if WXWIN_COMPATIBILITY_2_6 + +wxNotebookSizer::wxNotebookSizer(wxNotebook *nb) +{ + wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a control") ); + m_bookctrl = nb; +} + +#endif // WXWIN_COMPATIBILITY_2_6 + +#endif // wxUSE_NOTEBOOOK +#endif // wxUSE_BOOKCTRL + +#endif // WXWIN_COMPATIBILITY_2_4