X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad81651f00edc6f489d9b6a0839d316a964fd521..773cca488793b26140468085d701ef2b702484a0:/src/msw/radiobut.cpp diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp index 67653ecc5d..dddab3e26a 100644 --- a/src/msw/radiobut.cpp +++ b/src/msw/radiobut.cpp @@ -1,237 +1,327 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: 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 ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "radiobut.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WX_PRECOMP -#include -#include "wx/setup.h" +#if wxUSE_RADIOBTN + #include "wx/radiobut.h" -#include "wx/brush.h" + +#ifndef WX_PRECOMP + #include "wx/settings.h" + #include "wx/dcscreen.h" #endif #include "wx/msw/private.h" +// ============================================================================ +// wxRadioButton implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// 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) -// IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton) +#endif -bool wxRadioButton::MSWCommand(WXUINT param, WXWORD id) + +void wxRadioButton::Init() { - if (param == BN_CLICKED) - { - wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId); - event.SetEventObject( this ); - ProcessCommand(event); - return TRUE; - } - else return FALSE; + m_isChecked = false; } -bool wxRadioButton::Create(wxWindow *parent, wxWindowID id, - const wxString& label, - const wxPoint& pos, - const wxSize& size, long style, - const wxValidator& validator, - const wxString& name) +bool wxRadioButton::Create(wxWindow *parent, + wxWindowID id, + const wxString& label, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& validator, + const wxString& name) { - SetName(name); - SetValidator(validator); - - if (parent) parent->AddChild(this); - - SetBackgroundColour(parent->GetBackgroundColour()); - SetForegroundColour(parent->GetForegroundColour()); - - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; + + long msStyle = WS_TABSTOP; + 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; + + 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; + + // 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); + + return true; +} - m_windowStyle = style ; +// ---------------------------------------------------------------------------- +// wxRadioButton functions +// ---------------------------------------------------------------------------- - long groupStyle = 0; - if (m_windowStyle & wxRB_GROUP) - groupStyle = WS_GROUP; +void wxRadioButton::SetValue(bool value) +{ + (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L); -// long msStyle = groupStyle | RADIO_FLAGS; - long msStyle = groupStyle | BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE ; + m_isChecked = value; - bool want3D; - WXDWORD exStyle = Determine3DEffects(0, &want3D) ; + // 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(); + } +} - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. -/* - if ( want3D || wxStyleHasBorder(m_windowStyle) ) - msStyle |= WS_BORDER; -*/ +bool wxRadioButton::GetValue() const +{ + wxASSERT_MSG( m_isChecked == + (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0), + _T("wxRadioButton::m_isChecked is out of sync?") ); - m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const wxChar *)label, - msStyle,0,0,0,0, - (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL); + return m_isChecked; +} - wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create radiobutton") ); +// ---------------------------------------------------------------------------- +// wxRadioButton event processing +// ---------------------------------------------------------------------------- -#if wxUSE_CTL3D - if (want3D) - { - Ctl3dSubclassCtl((HWND) m_hWnd); - m_useCtl3D = TRUE; - } -#endif +void wxRadioButton::Command (wxCommandEvent& event) +{ + SetValue(event.GetInt() != 0); + ProcessCommand(event); +} - SetFont(parent->GetFont()); +bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) +{ + if ( param != BN_CLICKED ) + return false; - // Subclass again for purposes of dialog editing mode - SubclassWin((WXHWND)m_hWnd); + 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); -// SetValue(value); + wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId()); + event.SetEventObject( this ); + event.SetInt(true); // always checked - // start GRW fix - if (label != wxT("")) - { - int label_width, label_height; - GetTextExtent(label, &label_width, &label_height, NULL, NULL, & this->GetFont()); - if (width < 0) - width = (int)(label_width + RADIO_SIZE); - if (height<0) - { - height = (int)(label_height); - if (height < RADIO_SIZE) - height = RADIO_SIZE; + ProcessCommand(event); } - } - else - { - if (width < 0) - width = RADIO_SIZE; - if (height < 0) - height = RADIO_SIZE; - } - // end GRW fix - - SetSize(x, y, width, height); - - return TRUE; -} - -void wxRadioButton::SetLabel(const wxString& label) -{ - SetWindowText((HWND) GetHWND(), (const wxChar *)label); + return true; } -void wxRadioButton::SetValue(bool value) -{ -// Following necessary for Win32s, because Win32s translate BM_SETCHECK - SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L); -} +// ---------------------------------------------------------------------------- +// wxRadioButton geometry +// ---------------------------------------------------------------------------- -// Get single selection -bool wxRadioButton::GetValue(void) const +wxSize wxRadioButton::DoGetBestSize() const { - return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L) != 0); -} + static int s_radioSize = 0; -void wxRadioButton::Command (wxCommandEvent & event) -{ - SetValue ( (event.m_commandInt != 0) ); - ProcessCommand (event); -} + if ( !s_radioSize ) + { + wxScreenDC dc; + dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + s_radioSize = dc.GetCharHeight(); + } -// Not implemented -#if 0 -bool wxBitmapRadioButton::Create(wxWindow *parent, wxWindowID id, - const wxBitmap *bitmap, - const wxPoint& pos, - const wxSize& size, long style, - const wxValidator& validator, - const wxString& name) -{ - SetName(name); - SetValidator(validator); - - if (parent) parent->AddChild(this); - SetBackgroundColour(parent->GetBackgroundColour()); - SetForegroundColour(parent->GetForegroundColour()); - - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - m_windowStyle = style ; - - long groupStyle = 0; - if (m_windowStyle & wxRB_GROUP) - groupStyle = WS_GROUP; - -// long msStyle = groupStyle | RADIO_FLAGS; - long msStyle = groupStyle | BS_RADIOBUTTON | WS_CHILD | WS_VISIBLE ; - - m_hWnd = (WXHWND) CreateWindowEx(MakeExtendedStyle(m_windowStyle), RADIO_CLASS, "toggle", - msStyle,0,0,0,0, - (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL); - - wxCHECK_MSG( m_hWnd, "Failed to create radio button", FALSE ); - -#if wxUSE_CTL3D - if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS)) - { - Ctl3dSubclassCtl((HWND) GetHWND()); - m_useCtl3D = TRUE; - } -#endif + wxString str = GetLabel(); - // Subclass again for purposes of dialog editing mode - SubclassWin(GetHWND()); + int wRadio, hRadio; + if ( !str.empty() ) + { + GetTextExtent(GetLabelText(str), &wRadio, &hRadio); + wRadio += s_radioSize + GetCharWidth(); - SetSize(x, y, width, height); + if ( hRadio < s_radioSize ) + hRadio = s_radioSize; + } + else + { + wRadio = s_radioSize; + hRadio = s_radioSize; + } - return TRUE; + wxSize best(wRadio, hRadio); + CacheBestSize(best); + return best; } -void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap) +WXDWORD wxRadioButton::MSWGetStyle(long style, WXDWORD *exstyle) const { -} + WXDWORD styleMSW = wxControl::MSWGetStyle(style, exstyle); -void wxBitmapRadioButton::SetValue(bool value) -{ -// Following necessary for Win32s, because Win32s translate BM_SETCHECK - SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L); -} + if ( style & wxRB_GROUP ) + styleMSW |= WS_GROUP; -// Get single selection, for single choice list items -bool wxBitmapRadioButton::GetValue(void) const -{ - return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L); + return styleMSW; } -#endif +#endif // wxUSE_RADIOBTN