X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c9baf9d7381850790040b26b11cc9456877ddc4e..985acf8734d61067c66b4812a9dd9da90d725851:/src/msw/radiobut.cpp diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp index 83e588ab4d..dddab3e26a 100644 --- a/src/msw/radiobut.cpp +++ b/src/msw/radiobut.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/radiobut.cpp +// Name: src/msw/radiobut.cpp // Purpose: wxRadioButton // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,24 +17,20 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ -#pragma implementation "radiobut.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #if wxUSE_RADIOBTN -#ifndef WX_PRECOMP #include "wx/radiobut.h" -#include "wx/settings.h" -#include "wx/brush.h" -#include "wx/dcscreen.h" + +#ifndef WX_PRECOMP + #include "wx/settings.h" + #include "wx/dcscreen.h" #endif #include "wx/msw/private.h" @@ -47,11 +43,65 @@ // wxRadioButton creation // ---------------------------------------------------------------------------- + +#if wxUSE_EXTENDED_RTTI +WX_DEFINE_FLAGS( wxRadioButtonStyle ) + +wxBEGIN_FLAGS( wxRadioButtonStyle ) + // new style border flags, we put them first to + // use them for streaming out + wxFLAGS_MEMBER(wxBORDER_SIMPLE) + wxFLAGS_MEMBER(wxBORDER_SUNKEN) + wxFLAGS_MEMBER(wxBORDER_DOUBLE) + wxFLAGS_MEMBER(wxBORDER_RAISED) + wxFLAGS_MEMBER(wxBORDER_STATIC) + wxFLAGS_MEMBER(wxBORDER_NONE) + + // old style border flags + wxFLAGS_MEMBER(wxSIMPLE_BORDER) + wxFLAGS_MEMBER(wxSUNKEN_BORDER) + wxFLAGS_MEMBER(wxDOUBLE_BORDER) + wxFLAGS_MEMBER(wxRAISED_BORDER) + wxFLAGS_MEMBER(wxSTATIC_BORDER) + wxFLAGS_MEMBER(wxBORDER) + + // standard window styles + wxFLAGS_MEMBER(wxTAB_TRAVERSAL) + wxFLAGS_MEMBER(wxCLIP_CHILDREN) + wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) + wxFLAGS_MEMBER(wxWANTS_CHARS) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) + wxFLAGS_MEMBER(wxVSCROLL) + wxFLAGS_MEMBER(wxHSCROLL) + + wxFLAGS_MEMBER(wxRB_GROUP) + +wxEND_FLAGS( wxRadioButtonStyle ) + +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 , 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, 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 ) + +#else IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) +#endif + void wxRadioButton::Init() { - m_focusJustSet = FALSE; + m_isChecked = false; } bool wxRadioButton::Create(wxWindow *parent, @@ -64,26 +114,41 @@ bool wxRadioButton::Create(wxWindow *parent, const wxString& name) { if ( !CreateControl(parent, id, pos, size, style, validator, name) ) - return FALSE; + return false; + + long msStyle = WS_TABSTOP; + if ( HasFlag(wxRB_GROUP) ) + msStyle |= WS_GROUP; - long msStyle = HasFlag(wxRB_GROUP) ? WS_GROUP : 0; + /* + 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. - msStyle |= BS_AUTORADIOBUTTON; + 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; 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) ) - return FALSE; + 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 // do it) if ( HasFlag(wxRB_GROUP) ) - SetValue(TRUE); + SetValue(true); - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -92,16 +157,91 @@ bool wxRadioButton::Create(wxWindow *parent, void wxRadioButton::SetValue(bool value) { - // BST_CHECKED is defined as 1, BST_UNCHECKED as 0, so we can just pass - // value as is (we don't sue BST_XXX here as they're not defined for Win16) - (void)::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM)value, 0L); + (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L); + + m_isChecked = value; + + // 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 ) + { + // If another radiobutton in the group currently has the focus, we have to + // set it to this radiobutton, else the old readiobutton will be reselected + // automatically, if a parent window loses the focus and regains it. + bool shouldSetFocus = false; + wxWindow* pFocusWnd = FindFocus(); + + 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() ) + { + wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(), + wxRadioButton); + if ( btn && btn->HasFlag(wxRB_SINGLE) ) + { + // A wxRB_SINGLE button isn't part of this group + break; + } + + if (btn) + { + if (btn == pFocusWnd) + shouldSetFocus = true; + + btn->SetValue(false); + + if ( btn->HasFlag(wxRB_GROUP) ) + { + // even if there are other radio buttons before this one, + // they're not in the same group with us + 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 && (btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) ) ) + { + // no more buttons or the first button of the next group + break; + } + + if (btn) + { + if (btn == pFocusWnd) + shouldSetFocus = true; + + btn->SetValue(false); + } + } + if (shouldSetFocus) + SetFocus(); + } } bool wxRadioButton::GetValue() const { - // NB: this will also return TRUE for BST_INDETERMINATE value if we ever - // have 3-state radio buttons - return ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0; + wxASSERT_MSG( m_isChecked == + (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0), + _T("wxRadioButton::m_isChecked is out of sync?") ); + + return m_isChecked; } // ---------------------------------------------------------------------------- @@ -110,46 +250,30 @@ bool wxRadioButton::GetValue() const void wxRadioButton::Command (wxCommandEvent& event) { - SetValue(event.m_commandInt != 0); + SetValue(event.GetInt() != 0); ProcessCommand(event); } -void wxRadioButton::SetFocus() -{ - // when the radio button receives a WM_SETFOCUS message it generates a - // BN_CLICKED which is totally unexpected and leads to catastrophic results - // if you pop up a dialog from the radio button event handler as, when the - // dialog is dismissed, the focus is returned to the radio button which - // generates BN_CLICKED which leads to showing another dialog and so on - // without end! - // - // to aviod this, we drop the pseudo BN_CLICKED events generated when the - // button gains focus - m_focusJustSet = TRUE; - - wxControl::SetFocus(); -} - bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { if ( param != BN_CLICKED ) - return FALSE; + return false; - if ( m_focusJustSet ) - { - // see above: we want to ignore this event - m_focusJustSet = FALSE; - } - else // a real clicked event + 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!) + SetValue(true); + wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); event.SetEventObject( this ); - event.SetInt( GetValue() ); + event.SetInt(true); // always checked ProcessCommand(event); } - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -173,7 +297,7 @@ 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 ) @@ -185,7 +309,19 @@ wxSize wxRadioButton::DoGetBestSize() const hRadio = s_radioSize; } - return wxSize(wRadio, hRadio); + wxSize best(wRadio, hRadio); + CacheBestSize(best); + return best; +} + +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