/////////////////////////////////////////////////////////////////////////////
-// 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 <stdio.h>
-#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"
+ #include "wx/toplevel.h"
#endif
#include "wx/msw/private.h"
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
-// IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton)
-#endif
+// ============================================================================
+// wxRadioButton implementation
+// ============================================================================
-bool wxRadioButton::MSWCommand(WXUINT param, WXWORD id)
+// ----------------------------------------------------------------------------
+// wxRadioButton creation
+// ----------------------------------------------------------------------------
+
+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;
- m_windowStyle = style ;
+ WXDWORD exstyle = 0;
+ WXDWORD msStyle = MSWGetStyle(style, &exstyle);
- long groupStyle = 0;
- if (m_windowStyle & wxRB_GROUP)
- groupStyle = WS_GROUP;
+ if ( !MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, exstyle) )
+ return false;
-// long msStyle = groupStyle | RADIO_FLAGS;
- long msStyle = groupStyle | BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE ;
+ // 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 simplest way to
+ // do it)
+ if ( HasFlag(wxRB_GROUP) )
+ SetValue(true);
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
-
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
-/*
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
- msStyle |= WS_BORDER;
-*/
+ return true;
+}
- m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const char *)label,
- msStyle,0,0,0,0,
- (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
+// ----------------------------------------------------------------------------
+// wxRadioButton functions
+// ----------------------------------------------------------------------------
- wxCHECK_MSG( m_hWnd, FALSE, "Failed to create radiobutton" );
+void wxRadioButton::SetValue(bool value)
+{
+ ::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
+ //
+ // 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) )
+ {
+ // ... 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 )
+ {
+ // don't stop on non radio buttons, we could have intermixed
+ // buttons and e.g. static labels
+ continue;
+ }
+
+ if ( btn->HasFlag(wxRB_SINGLE) )
+ {
+ // A wxRB_SINGLE button isn't part of this group
+ break;
+ }
+
+ if ( btn == focus )
+ shouldSetFocus = true;
+ else if ( btn == focusInTLW )
+ shouldSetTLWFocus = 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;
+ }
+ }
+ }
-#if wxUSE_CTL3D
- if (want3D)
- {
- Ctl3dSubclassCtl((HWND) m_hWnd);
- m_useCtl3D = TRUE;
- }
-#endif
+ // ... 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);
- SetFont(parent->GetFont());
+ if ( !btn )
+ continue;
- // Subclass again for purposes of dialog editing mode
- SubclassWin((WXHWND)m_hWnd);
+ if ( btn->HasFlag(wxRB_GROUP | wxRB_SINGLE) )
+ {
+ // no more buttons or the first button of the next group
+ break;
+ }
-// SetValue(value);
+ if ( btn == focus )
+ shouldSetFocus = true;
+ else if ( btn == focusInTLW )
+ shouldSetTLWFocus = true;
- // start GRW fix
- if (label != "")
- {
- 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;
+ btn->SetValue(false);
}
- }
- 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 char *)label);
+ if ( shouldSetFocus )
+ SetFocus();
+ else if ( shouldSetTLWFocus )
+ tlw->SetLastFocus(this);
}
-void wxRadioButton::SetValue(bool value)
+bool wxRadioButton::GetValue() const
{
-// Following necessary for Win32s, because Win32s translate BM_SETCHECK
- SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
+ wxASSERT_MSG( m_isChecked ==
+ (::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0L) != 0),
+ wxT("wxRadioButton::m_isChecked is out of sync?") );
+
+ return m_isChecked;
}
-// Get single selection
-bool wxRadioButton::GetValue(void) const
+// ----------------------------------------------------------------------------
+// wxRadioButton event processing
+// ----------------------------------------------------------------------------
+
+void wxRadioButton::Command (wxCommandEvent& event)
{
- return (SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L) != 0);
+ SetValue(event.GetInt() != 0);
+ ProcessCommand(event);
}
-WXHBRUSH wxRadioButton::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif
+ if ( param != BN_CLICKED )
+ return false;
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
+ if ( !m_isChecked )
+ {
+ // we need to manually update the button state as we use BS_RADIOBUTTON
+ // and not BS_AUTORADIOBUTTON
+ SetValue(true);
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+ wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
+ event.SetEventObject( this );
+ event.SetInt(true); // always checked
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+ ProcessCommand(event);
+ }
- // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
- // has a zero usage count.
-// backgroundBrush->RealizeResource();
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+ return true;
}
-void wxRadioButton::Command (wxCommandEvent & event)
+// ----------------------------------------------------------------------------
+// wxRadioButton geometry
+// ----------------------------------------------------------------------------
+
+wxSize wxRadioButton::DoGetBestSize() const
{
- SetValue ( (event.m_commandInt != 0) );
- ProcessCommand (event);
-}
+ static int s_radioSize = 0;
+ if ( !s_radioSize )
+ {
+ wxScreenDC dc;
+ dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
-// 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
+ s_radioSize = dc.GetCharHeight();
- // Subclass again for purposes of dialog editing mode
- SubclassWin(GetHWND());
+ // 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__
+ }
- SetSize(x, y, width, height);
+ wxString str = GetLabel();
- return TRUE;
-}
+ int wRadio, hRadio;
+ if ( !str.empty() )
+ {
+ GetTextExtent(GetLabelText(str), &wRadio, &hRadio);
+ wRadio += s_radioSize + GetCharWidth();
-void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
-{
-}
+ if ( hRadio < s_radioSize )
+ hRadio = s_radioSize;
+ }
+ else
+ {
+ wRadio = s_radioSize;
+ hRadio = s_radioSize;
+ }
-void wxBitmapRadioButton::SetValue(bool value)
-{
-// Following necessary for Win32s, because Win32s translate BM_SETCHECK
- SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
+ wxSize best(wRadio, hRadio);
+ CacheBestSize(best);
+ return best;
}
-// Get single selection, for single choice list items
-bool wxBitmapRadioButton::GetValue(void) const
+WXDWORD wxRadioButton::MSWGetStyle(long style, WXDWORD *exstyle) const
{
- return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
+ WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
+
+ if ( HasFlag(wxRB_GROUP) )
+ msStyle |= WS_GROUP;
+
+ // 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 ( style & wxCLIP_SIBLINGS )
+ msStyle |= WS_CLIPSIBLINGS;
+ if ( style & wxALIGN_RIGHT )
+ msStyle |= BS_LEFTTEXT | BS_RIGHT;
+
+
+ return msStyle;
}
-#endif
+#endif // wxUSE_RADIOBTN
projects / wxWidgets.git / blobdiff