/////////////////////////////////////////////////////////////////////////////
-// Name: radiobut.cpp
+// Name: msw/radiobut.cpp
// Purpose: wxRadioButton
// Author: Julian Smart
// Modified by:
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
#pragma implementation "radiobut.h"
#endif
#pragma hdrstop
#endif
+#if wxUSE_RADIOBTN
+
#ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/setup.h"
#include "wx/radiobut.h"
+#include "wx/settings.h"
#include "wx/brush.h"
+#include "wx/dcscreen.h"
#endif
#include "wx/msw/private.h"
+// ============================================================================
+// wxRadioButton implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxRadioButton creation
+// ----------------------------------------------------------------------------
+
IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
-// IMPLEMENT_DYNAMIC_CLASS(wxBitmapRadioButton, wxRadioButton)
-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_focusJustSet = 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;
-
- m_windowStyle = style ;
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return FALSE;
- long groupStyle = 0;
- if (m_windowStyle & wxRB_GROUP)
- groupStyle = WS_GROUP;
+ long msStyle = HasFlag(wxRB_GROUP) ? WS_GROUP : 0;
-// long msStyle = groupStyle | RADIO_FLAGS;
- long msStyle = groupStyle | BS_AUTORADIOBUTTON | WS_CHILD | WS_VISIBLE ;
+ msStyle |= BS_AUTORADIOBUTTON;
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
+ if ( HasFlag(wxCLIP_SIBLINGS) )
+ msStyle |= WS_CLIPSIBLINGS;
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
-/*
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
- msStyle |= WS_BORDER;
-*/
+ if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) )
+ return FALSE;
- m_hWnd = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, (const wxChar *)label,
- msStyle,0,0,0,0,
- (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL);
+ // 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);
- wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create radiobutton") );
-
-#if wxUSE_CTL3D
- if (want3D)
- {
- Ctl3dSubclassCtl((HWND) m_hWnd);
- m_useCtl3D = TRUE;
- }
-#endif
-
- SetFont(parent->GetFont());
-
- // Subclass again for purposes of dialog editing mode
- SubclassWin((WXHWND)m_hWnd);
-
-// SetValue(value);
-
- // 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;
- }
- }
- else
- {
- if (width < 0)
- width = RADIO_SIZE;
- if (height < 0)
- height = RADIO_SIZE;
- }
- // end GRW fix
-
- SetSize(x, y, width, height);
-
- return TRUE;
+ return TRUE;
}
+// ----------------------------------------------------------------------------
+// wxRadioButton functions
+// ----------------------------------------------------------------------------
-void wxRadioButton::SetLabel(const wxString& label)
+void wxRadioButton::SetValue(bool value)
{
- SetWindowText((HWND) GetHWND(), (const wxChar *)label);
+ // 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 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);
+ // 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;
}
-// 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.m_commandInt != 0);
+ ProcessCommand(event);
}
-void wxRadioButton::Command (wxCommandEvent & event)
+void wxRadioButton::SetFocus()
{
- SetValue ( (event.m_commandInt != 0) );
- ProcessCommand (event);
+ // 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();
}
-
-// 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)
+bool wxRadioButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
- 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
+ if ( param != BN_CLICKED )
+ return FALSE;
- // Subclass again for purposes of dialog editing mode
- SubclassWin(GetHWND());
+ if ( m_focusJustSet )
+ {
+ // see above: we want to ignore this event
+ m_focusJustSet = FALSE;
+ }
+ else // a real clicked event
+ {
+ wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
+ event.SetEventObject( this );
+ event.SetInt( GetValue() );
- SetSize(x, y, width, height);
+ ProcessCommand(event);
+ }
- return TRUE;
+ return TRUE;
}
-void wxBitmapRadioButton::SetLabel(const wxBitmap *bitmap)
-{
-}
+// ----------------------------------------------------------------------------
+// wxRadioButton geometry
+// ----------------------------------------------------------------------------
-void wxBitmapRadioButton::SetValue(bool value)
+wxSize wxRadioButton::DoGetBestSize() const
{
-// Following necessary for Win32s, because Win32s translate BM_SETCHECK
- SendMessage((HWND) GetHWND(), BM_SETCHECK, (WPARAM)value, 0L);
-}
+ static int s_radioSize = 0;
-// Get single selection, for single choice list items
-bool wxBitmapRadioButton::GetValue(void) const
-{
- return (bool)SendMessage((HWND) GetHWND(), BM_GETCHECK, 0, 0L);
+ if ( !s_radioSize )
+ {
+ wxScreenDC dc;
+ dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+
+ s_radioSize = dc.GetCharHeight();
+ }
+
+ wxString str = GetLabel();
+
+ int wRadio, hRadio;
+ if ( !str.empty() )
+ {
+ GetTextExtent(str, &wRadio, &hRadio);
+ wRadio += s_radioSize + GetCharWidth();
+
+ if ( hRadio < s_radioSize )
+ hRadio = s_radioSize;
+ }
+ else
+ {
+ wRadio = s_radioSize;
+ hRadio = s_radioSize;
+ }
+
+ return wxSize(wRadio, hRadio);
}
-#endif
+#endif // wxUSE_RADIOBTN
projects / wxWidgets.git / blobdiff