X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3a5bcc4db0851bf8cd3063917511b0b17c7f9679..ba75967c9c0656ec0bcc342878cd9cdd27857ea9:/src/msw/radiobut.cpp diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp index 3cf326adf7..01e5fd8dbb 100644 --- a/src/msw/radiobut.cpp +++ b/src/msw/radiobut.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/radiobut.cpp +// Name: src/msw/radiobut.cpp // Purpose: wxRadioButton // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "radiobut.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,10 +26,12 @@ #if wxUSE_RADIOBTN +#include "wx/radiobut.h" + #ifndef WX_PRECOMP - #include "wx/radiobut.h" #include "wx/settings.h" #include "wx/dcscreen.h" + #include "wx/toplevel.h" #endif #include "wx/msw/private.h" @@ -59,7 +57,7 @@ wxBEGIN_FLAGS( wxRadioButtonStyle ) wxFLAGS_MEMBER(wxBORDER_RAISED) wxFLAGS_MEMBER(wxBORDER_STATIC) wxFLAGS_MEMBER(wxBORDER_NONE) - + // old style border flags wxFLAGS_MEMBER(wxSIMPLE_BORDER) wxFLAGS_MEMBER(wxSUNKEN_BORDER) @@ -86,16 +84,16 @@ IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioButton, wxControl,"wx/radiobut.h") wxBEGIN_PROPERTIES_TABLE(wxRadioButton) wxEVENT_PROPERTY( Click , wxEVT_COMMAND_RADIOBUTTON_SELECTED , wxCommandEvent ) - wxPROPERTY( Font , wxFont , SetFont , GetFont , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) - wxPROPERTY( Value ,bool, SetValue, GetValue,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) - wxPROPERTY_FLAGS( WindowStyle , wxRadioButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style + wxPROPERTY( Value ,bool, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) + wxPROPERTY_FLAGS( WindowStyle , wxRadioButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style wxEND_PROPERTIES_TABLE() wxBEGIN_HANDLERS_TABLE(wxRadioButton) wxEND_HANDLERS_TABLE() -wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) +wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) #else IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) @@ -123,28 +121,26 @@ bool wxRadioButton::Create(wxWindow *parent, if ( HasFlag(wxRB_GROUP) ) msStyle |= WS_GROUP; - /* - wxRB_SINGLE is a temporary workaround for the following problem: if you - have 2 radiobuttons in the same group but which are not consecutive in - the dialog, Windows can enter an infinite loop! The simplest way to - reproduce it is to create radio button, then a panel and then another - radio button: then checking the last button hangs the app. - - Ideally, we'd detect (and avoid) such situation automatically but for - now, as I don't know how to do it, just allow the user to create - BS_RADIOBUTTON buttons for such situations. - */ - msStyle |= HasFlag(wxRB_SINGLE) ? BS_RADIOBUTTON : BS_AUTORADIOBUTTON; + // we use BS_RADIOBUTTON and not BS_AUTORADIOBUTTON because the use of the + // latter can easily result in the application entering an infinite loop + // inside IsDialogMessage() + // + // we used to use BS_RADIOBUTTON only for wxRB_SINGLE buttons but there + // doesn't seem to be any harm to always use it and it prevents some hangs, + // see #9786 + msStyle |= BS_RADIOBUTTON; if ( HasFlag(wxCLIP_SIBLINGS) ) msStyle |= WS_CLIPSIBLINGS; + if ( HasFlag(wxALIGN_RIGHT) ) + msStyle |= BS_LEFTTEXT | BS_RIGHT; - if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) ) + if ( !MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0) ) return false; // for compatibility with wxGTK, the first radio button in a group is // always checked (this makes sense anyhow as you need to ensure that at - // least one button in the group is checked and this is the simlpest way to + // least one button in the group is checked and this is the simplest way to // do it) if ( HasFlag(wxRB_GROUP) ) SetValue(true); @@ -158,70 +154,115 @@ bool wxRadioButton::Create(wxWindow *parent, void wxRadioButton::SetValue(bool value) { - (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L); + ::SendMessage(GetHwnd(), BM_SETCHECK, + value ? BST_CHECKED : BST_UNCHECKED, 0); m_isChecked = value; + if ( !value ) + return; + // if we set the value of one radio button we also must clear all the other // buttons in the same group: Windows doesn't do it automatically - if ( m_isChecked ) + // + // moreover, if another radiobutton in the group currently has the focus, + // we have to set it to this radiobutton, else the old radiobutton will be + // reselected automatically, if a parent window loses the focus and regains + // it. + wxWindow * const focus = FindFocus(); + wxTopLevelWindow * const + tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow); + wxCHECK_RET( tlw, wxT("radio button outside of TLW?") ); + wxWindow * const focusInTLW = tlw->GetLastFocus(); + + const wxWindowList& siblings = GetParent()->GetChildren(); + wxWindowList::compatibility_iterator nodeThis = siblings.Find(this); + wxCHECK_RET( nodeThis, wxT("radio button not a child of its parent?") ); + + // this will be set to true in the code below if the focus is in our TLW + // and belongs to one of the other buttons in the same group + bool shouldSetFocus = false; + + // this will be set to true if the focus is outside of our TLW currently + // but the remembered focus of this TLW is one of the other buttons in the + // same group + bool shouldSetTLWFocus = false; + + // if it's not the first item of the group ... + if ( !HasFlag(wxRB_GROUP) ) { - const wxWindowList& siblings = GetParent()->GetChildren(); - wxWindowList::compatibility_iterator nodeThis = siblings.Find(this); - wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") ); - - // if it's not the first item of the group ... - if ( !HasFlag(wxRB_GROUP) ) + // ... turn off all radio buttons before it + for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious(); + nodeBefore; + nodeBefore = nodeBefore->GetPrevious() ) { - // ... turn off all radio buttons before it - for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious(); - nodeBefore; - nodeBefore = nodeBefore->GetPrevious() ) + wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(), + wxRadioButton); + if ( !btn ) { - wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(), - wxRadioButton); - if ( !btn ) - { - // the radio buttons in a group must be consecutive, so - // there are no more of them - break; - } - - btn->SetValue(false); + // don't stop on non radio buttons, we could have intermixed + // buttons and e.g. static labels + continue; + } - if ( btn->HasFlag(wxRB_GROUP) ) + if ( btn->HasFlag(wxRB_SINGLE) ) { - // even if there are other radio buttons before this one, - // they're not in the same group with us + // A wxRB_SINGLE button isn't part of this group break; } - } - } - // ... and also turn off all buttons after this one - for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext(); - nodeAfter; - nodeAfter = nodeAfter->GetNext() ) - { - wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(), - wxRadioButton); + if ( btn == focus ) + shouldSetFocus = true; + else if ( btn == focusInTLW ) + shouldSetTLWFocus = true; + + btn->SetValue(false); - if ( !btn || btn->HasFlag(wxRB_GROUP) ) + if ( btn->HasFlag(wxRB_GROUP) ) { - // no more buttons or the first button of the next group + // even if there are other radio buttons before this one, + // they're not in the same group with us break; } + } + } - btn->SetValue(false); + // ... and also turn off all buttons after this one + for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext(); + nodeAfter; + nodeAfter = nodeAfter->GetNext() ) + { + wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(), + wxRadioButton); + + if ( !btn ) + continue; + + if ( btn->HasFlag(wxRB_GROUP | wxRB_SINGLE) ) + { + // no more buttons or the first button of the next group + break; } + + if ( btn == focus ) + shouldSetFocus = true; + else if ( btn == focusInTLW ) + shouldSetTLWFocus = true; + + btn->SetValue(false); } + + if ( shouldSetFocus ) + SetFocus(); + else if ( shouldSetTLWFocus ) + tlw->SetLastFocus(this); } bool wxRadioButton::GetValue() const { wxASSERT_MSG( m_isChecked == (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0), - _T("wxRadioButton::m_isChecked is out of sync?") ); + wxT("wxRadioButton::m_isChecked is out of sync?") ); return m_isChecked; } @@ -232,7 +273,7 @@ bool wxRadioButton::GetValue() const void wxRadioButton::Command (wxCommandEvent& event) { - SetValue(event.m_commandInt != 0); + SetValue(event.GetInt() != 0); ProcessCommand(event); } @@ -243,9 +284,8 @@ bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) if ( !m_isChecked ) { - // we have to do this for BS_RADIOBUTTON anyhow and, strangely enough, - // sometimes this is needed even for BS_AUTORADIOBUTTON (when we - // receive focus the button gets BN_CLICKED but stays unchecked!) + // we need to manually update the button state as we use BS_RADIOBUTTON + // and not BS_AUTORADIOBUTTON SetValue(true); wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); @@ -272,6 +312,13 @@ wxSize wxRadioButton::DoGetBestSize() const dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); s_radioSize = dc.GetCharHeight(); + + // radio button bitmap size under CE is bigger than the font height, + // adding just one pixel seems to work fine for the default font but it + // would be nice to find some better way to find the correct height +#ifdef __WXWINCE__ + s_radioSize++; +#endif // __WXWINCE__ } wxString str = GetLabel(); @@ -279,7 +326,7 @@ wxSize wxRadioButton::DoGetBestSize() const int wRadio, hRadio; if ( !str.empty() ) { - GetTextExtent(str, &wRadio, &hRadio); + GetTextExtent(GetLabelText(str), &wRadio, &hRadio); wRadio += s_radioSize + GetCharWidth(); if ( hRadio < s_radioSize ) @@ -291,8 +338,19 @@ wxSize wxRadioButton::DoGetBestSize() const hRadio = s_radioSize; } - return wxSize(wRadio, hRadio); + wxSize best(wRadio, hRadio); + CacheBestSize(best); + return best; } -#endif // wxUSE_RADIOBTN +WXDWORD wxRadioButton::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + WXDWORD styleMSW = wxControl::MSWGetStyle(style, exstyle); + if ( style & wxRB_GROUP ) + styleMSW |= WS_GROUP; + + return styleMSW; +} + +#endif // wxUSE_RADIOBTN