X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/621be1ec2672d922cfb95d6e8178b38c8ceaf52a..4a00d37c9662eaf6f663e716c809f629549f1322:/src/xrc/xh_sizer.cpp diff --git a/src/xrc/xh_sizer.cpp b/src/xrc/xh_sizer.cpp index 806370b3a6..30a1175b00 100644 --- a/src/xrc/xh_sizer.cpp +++ b/src/xrc/xh_sizer.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: xh_sizer.cpp +// Name: src/xrc/xh_sizer.cpp // Purpose: XRC resource for wxBoxSizer // Author: Vaclav Slavik // Created: 2000/03/21 @@ -8,10 +8,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "xh_sizer.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -22,25 +18,35 @@ #if wxUSE_XRC #include "wx/xrc/xh_sizer.h" -#include "wx/sizer.h" + +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/panel.h" + #include "wx/statbox.h" + #include "wx/sizer.h" + #include "wx/frame.h" + #include "wx/dialog.h" + #include "wx/button.h" + #include "wx/scrolwin.h" +#endif + #include "wx/gbsizer.h" -#include "wx/log.h" -#include "wx/statbox.h" +#include "wx/wrapsizer.h" #include "wx/notebook.h" -#include "wx/panel.h" #include "wx/tokenzr.h" +//----------------------------------------------------------------------------- +// wxSizerXmlHandler +//----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxSizerXmlHandler, wxXmlResourceHandler) - - wxSizerXmlHandler::wxSizerXmlHandler() - : wxXmlResourceHandler(), - m_isInside(false), - m_isGBS(false), - m_parentSizer(NULL) + :wxXmlResourceHandler(), + m_isInside(false), + m_isGBS(false), + m_parentSizer(NULL) { XRC_ADD_STYLE(wxHORIZONTAL); XRC_ADD_STYLE(wxVERTICAL); @@ -72,8 +78,17 @@ wxSizerXmlHandler::wxSizerXmlHandler() XRC_ADD_STYLE(wxALIGN_CENTER_VERTICAL); XRC_ADD_STYLE(wxALIGN_CENTRE_VERTICAL); - XRC_ADD_STYLE(wxADJUST_MINSIZE); XRC_ADD_STYLE(wxFIXED_MINSIZE); + XRC_ADD_STYLE(wxRESERVE_SPACE_EVEN_IF_HIDDEN); + + // this flag doesn't do anything any more but we can just ignore its + // occurrences in the old resource files instead of raising a fuss because + // of it + AddStyle("wxADJUST_MINSIZE", 0); + + // wxWrapSizer-specific flags + XRC_ADD_STYLE(wxEXTEND_LAST_ON_EACH_LINE); + XRC_ADD_STYLE(wxREMOVE_LEADING_SPACES); } @@ -108,7 +123,8 @@ bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node) (IsOfClass(node, wxT("wxStaticBoxSizer"))) || (IsOfClass(node, wxT("wxGridSizer"))) || (IsOfClass(node, wxT("wxFlexGridSizer"))) || - (IsOfClass(node, wxT("wxGridBagSizer"))); + (IsOfClass(node, wxT("wxGridBagSizer"))) || + (IsOfClass(node, wxT("wxWrapSizer"))); } @@ -141,11 +157,11 @@ wxObject* wxSizerXmlHandler::Handle_sizeritem() wxWindow *wnd = wxDynamicCast(item, wxWindow); if (sizer) - sitem->SetSizer(sizer); + sitem->AssignSizer(sizer); else if (wnd) - sitem->SetWindow(wnd); + sitem->AssignWindow(wnd); else - wxLogError(wxT("Error in resource.")); + ReportError(n, "unexpected item in sizer"); // finally, set other wxSizerItem attributes SetSizerItemAttributes(sitem); @@ -155,7 +171,7 @@ wxObject* wxSizerXmlHandler::Handle_sizeritem() } else /*n == NULL*/ { - wxLogError(wxT("Error in resource: no window/sizer/spacer within sizeritem object.")); + ReportError("no window/sizer/spacer within sizeritem object"); return NULL; } } @@ -163,11 +179,15 @@ wxObject* wxSizerXmlHandler::Handle_sizeritem() wxObject* wxSizerXmlHandler::Handle_spacer() { - wxCHECK_MSG(m_parentSizer, NULL, wxT("Incorrect syntax of XRC resource: spacer not within sizer!")); + if ( !m_parentSizer ) + { + ReportError("spacer only allowed inside a sizer"); + return NULL; + } wxSizerItem* sitem = MakeSizerItem(); SetSizerItemAttributes(sitem); - sitem->SetSpacer(GetSize()); + sitem->AssignSpacer(GetSize()); AddSizerItem(sitem); return NULL; } @@ -176,33 +196,52 @@ wxObject* wxSizerXmlHandler::Handle_spacer() wxObject* wxSizerXmlHandler::Handle_sizer() { wxSizer *sizer = NULL; + wxFlexGridSizer *flexsizer = NULL; wxXmlNode *parentNode = m_node->GetParent(); - wxCHECK_MSG(m_parentSizer != NULL || - (parentNode && parentNode->GetType() == wxXML_ELEMENT_NODE && - m_parentAsWindow != NULL && - (m_parentAsWindow->IsKindOf(CLASSINFO(wxPanel)) || - m_parentAsWindow->IsKindOf(CLASSINFO(wxFrame)) || - m_parentAsWindow->IsKindOf(CLASSINFO(wxDialog))) - ), NULL, - wxT("Incorrect use of sizer: parent is not 'wxDialog', 'wxFrame' or 'wxPanel'.")); + if ( !m_parentSizer && + (!parentNode || parentNode->GetType() != wxXML_ELEMENT_NODE || + !m_parentAsWindow) ) + { + ReportError("sizer must have a window parent"); + return NULL; + } if (m_class == wxT("wxBoxSizer")) sizer = Handle_wxBoxSizer(); - +#if wxUSE_STATBOX else if (m_class == wxT("wxStaticBoxSizer")) sizer = Handle_wxStaticBoxSizer(); - +#endif else if (m_class == wxT("wxGridSizer")) + { + if ( !ValidateGridSizerChildren() ) + return NULL; sizer = Handle_wxGridSizer(); - + } else if (m_class == wxT("wxFlexGridSizer")) - sizer = Handle_wxFlexGridSizer(); - + { + flexsizer = Handle_wxFlexGridSizer(); + sizer = flexsizer; + } else if (m_class == wxT("wxGridBagSizer")) - sizer = Handle_wxGridBagSizer(); + { + flexsizer = Handle_wxGridBagSizer(); + sizer = flexsizer; + } + else if (m_class == wxT("wxWrapSizer")) + { + sizer = Handle_wxWrapSizer(); + } + else + { + ReportError(wxString::Format("unknown sizer class \"%s\"", m_class)); + } + // creation of sizer failed for some (already reported) reason, so exit: + if ( !sizer ) + return NULL; wxSize minsize = GetSize(wxT("minsize")); if (!(minsize == wxDefaultSize)) @@ -219,6 +258,13 @@ wxObject* wxSizerXmlHandler::Handle_sizer() CreateChildren(m_parent, true/*only this handler*/); + // set growable rows and cols for sizers which support this + if ( flexsizer ) + { + SetGrowables(flexsizer, wxT("growablerows"), true); + SetGrowables(flexsizer, wxT("growablecols"), false); + } + // restore state m_isInside = old_ins; m_parentSizer = old_par; @@ -230,11 +276,22 @@ wxObject* wxSizerXmlHandler::Handle_sizer() wxXmlNode *nd = m_node; m_node = parentNode; if (GetSize() == wxDefaultSize) - sizer->Fit(m_parentAsWindow); + { + if ( wxDynamicCast(m_parentAsWindow, wxScrolledWindow) != NULL ) + { + sizer->FitInside(m_parentAsWindow); + } + else + { + sizer->Fit(m_parentAsWindow); + } + } m_node = nd; - if (m_parentAsWindow->GetWindowStyle() & (wxRESIZE_BOX | wxRESIZE_BORDER)) + if (m_parentAsWindow->IsTopLevel()) + { sizer->SetSizeHints(m_parentAsWindow); + } } return sizer; @@ -246,6 +303,7 @@ wxSizer* wxSizerXmlHandler::Handle_wxBoxSizer() return new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL)); } +#if wxUSE_STATBOX wxSizer* wxSizerXmlHandler::Handle_wxStaticBoxSizer() { return new wxStaticBoxSizer( @@ -257,6 +315,7 @@ wxSizer* wxSizerXmlHandler::Handle_wxStaticBoxSizer() GetName()), GetStyle(wxT("orient"), wxHORIZONTAL)); } +#endif // wxUSE_STATBOX wxSizer* wxSizerXmlHandler::Handle_wxGridSizer() { @@ -265,46 +324,114 @@ wxSizer* wxSizerXmlHandler::Handle_wxGridSizer() } -wxSizer* wxSizerXmlHandler::Handle_wxFlexGridSizer() +wxFlexGridSizer* wxSizerXmlHandler::Handle_wxFlexGridSizer() { - wxFlexGridSizer *sizer = - new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")), - GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); - SetGrowables(sizer, wxT("growablerows"), true); - SetGrowables(sizer, wxT("growablecols"), false); - return sizer; + if ( !ValidateGridSizerChildren() ) + return NULL; + return new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")), + GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); } -wxSizer* wxSizerXmlHandler::Handle_wxGridBagSizer() +wxGridBagSizer* wxSizerXmlHandler::Handle_wxGridBagSizer() { - wxGridBagSizer *sizer = - new wxGridBagSizer(GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); - SetGrowables(sizer, wxT("growablerows"), true); - SetGrowables(sizer, wxT("growablecols"), false); + if ( !ValidateGridSizerChildren() ) + return NULL; + return new wxGridBagSizer(GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); +} + +wxSizer* wxSizerXmlHandler::Handle_wxWrapSizer() +{ + wxWrapSizer *sizer = new wxWrapSizer(GetStyle("orient"), GetStyle("flag")); return sizer; } +bool wxSizerXmlHandler::ValidateGridSizerChildren() +{ + int rows = GetLong("rows"); + int cols = GetLong("cols"); + + if ( rows && cols ) + { + // fixed number of cells, need to verify children count + int children = 0; + for ( wxXmlNode *n = m_node->GetChildren(); n; n = n->GetNext() ) + { + if ( n->GetType() == wxXML_ELEMENT_NODE && + (n->GetName() == "object" || n->GetName() == "object_ref") ) + { + children++; + } + } + + if ( children > rows * cols ) + { + ReportError + ( + wxString::Format + ( + "too many children in grid sizer: %d > %d x %d" + " (consider omitting the number of rows or columns)", + children, + cols, + rows + ) + ); + return false; + } + } + + return true; +} void wxSizerXmlHandler::SetGrowables(wxFlexGridSizer* sizer, const wxChar* param, bool rows) { + int nrows, ncols; + sizer->CalcRowsCols(nrows, ncols); + const int nslots = rows ? nrows : ncols; + wxStringTokenizer tkn; - unsigned long l; tkn.SetString(GetParamValue(param), wxT(",")); + while (tkn.HasMoreTokens()) { + unsigned long l; if (!tkn.GetNextToken().ToULong(&l)) - wxLogError(wxT("growable[rows|cols] must be comma-separated list of row numbers")); - else { - if (rows) - sizer->AddGrowableRow(l); - else - sizer->AddGrowableCol(l); + { + ReportParamError + ( + param, + "value must be comma-separated list of row numbers" + ); + break; + } + + if ( (int)l >= nslots ) + { + ReportParamError + ( + param, + wxString::Format + ( + "invalid %s index %d: must be less than %d", + rows ? "row" : "column", + l, + nslots + ) + ); + + // ignore incorrect value, still try to process the rest + continue; } + + if (rows) + sizer->AddGrowableRow(l); + else + sizer->AddGrowableCol(l); } } @@ -353,6 +480,9 @@ void wxSizerXmlHandler::SetSizerItemAttributes(wxSizerItem* sitem) gbsitem->SetPos(GetGBPos(wxT("cellpos"))); gbsitem->SetSpan(GetGBSpan(wxT("cellspan"))); } + + // record the id of the item, if any, for use by XRCSIZERITEM() + sitem->SetId(GetID()); } void wxSizerXmlHandler::AddSizerItem(wxSizerItem* sitem) @@ -363,4 +493,73 @@ void wxSizerXmlHandler::AddSizerItem(wxSizerItem* sitem) m_parentSizer->Add(sitem); } + + +//----------------------------------------------------------------------------- +// wxStdDialogButtonSizerXmlHandler +//----------------------------------------------------------------------------- +#if wxUSE_BUTTON + +IMPLEMENT_DYNAMIC_CLASS(wxStdDialogButtonSizerXmlHandler, wxXmlResourceHandler) + +wxStdDialogButtonSizerXmlHandler::wxStdDialogButtonSizerXmlHandler() + : m_isInside(false), m_parentSizer(NULL) +{ +} + +wxObject *wxStdDialogButtonSizerXmlHandler::DoCreateResource() +{ + if (m_class == wxT("wxStdDialogButtonSizer")) + { + wxASSERT( !m_parentSizer ); + + wxSizer *s = m_parentSizer = new wxStdDialogButtonSizer; + m_isInside = true; + + CreateChildren(m_parent, true/*only this handler*/); + + m_parentSizer->Realize(); + + m_isInside = false; + m_parentSizer = NULL; + + return s; + } + else // m_class == "button" + { + wxASSERT( m_parentSizer ); + + // find the item to be managed by this sizeritem + wxXmlNode *n = GetParamNode(wxT("object")); + if ( !n ) + n = GetParamNode(wxT("object_ref")); + + // did we find one? + if (n) + { + wxObject *item = CreateResFromNode(n, m_parent, NULL); + wxButton *button = wxDynamicCast(item, wxButton); + + if (button) + m_parentSizer->AddButton(button); + else + ReportError(n, "expected wxButton"); + + return item; + } + else /*n == NULL*/ + { + ReportError("no button within wxStdDialogButtonSizer"); + return NULL; + } + } +} + +bool wxStdDialogButtonSizerXmlHandler::CanHandle(wxXmlNode *node) +{ + return (!m_isInside && IsOfClass(node, wxT("wxStdDialogButtonSizer"))) || + (m_isInside && IsOfClass(node, wxT("button"))); +} +#endif // wxUSE_BUTTON + #endif // wxUSE_XRC