preserve type when loaded image is rescaled, #11543

[wxWidgets.git] / src / msw / tglbtn.cpp

diff --git a/src/msw/tglbtn.cpp b/src/msw/tglbtn.cpp
index 02f1fc0f425d364493813da59dcb6d809696516d..edadc6a1efb0d67322366d3327f6ded65ece0d6a 100644 (file)
--- a/src/msw/tglbtn.cpp
+++ b/src/msw/tglbtn.cpp
@@ -2,17 +2,17 @@
 // Name:        src/msw/tglbtn.cpp
 // Purpose:     Definition of the wxToggleButton class, which implements a
 //              toggle button under wxMSW.
 // Name:        src/msw/tglbtn.cpp
 // Purpose:     Definition of the wxToggleButton class, which implements a
 //              toggle button under wxMSW.

-// Author: John Norris, minor changes by Axel Schlueter
-// and William Gallafent.
+// Author:      John Norris, minor changes by Axel Schlueter
+//              and William Gallafent.

 // Modified by:
 // Created:     08.02.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 Johnny C. Norris II
 // Modified by:
 // Created:     08.02.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 Johnny C. Norris II

-// License:     Rocketeer license
+// License:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================

-// declatations
+// declarations

 // ============================================================================
 
 // ----------------------------------------------------------------------------
 // ============================================================================
 
 // ----------------------------------------------------------------------------


@@ -25,10 +25,10 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

-#include "wx/tglbtn.h"
-

 #if wxUSE_TOGGLEBTN
 
 #if wxUSE_TOGGLEBTN
 

+#include "wx/tglbtn.h"
+

 #ifndef WX_PRECOMP
     #include "wx/button.h"
     #include "wx/brush.h"
 #ifndef WX_PRECOMP
     #include "wx/button.h"
     #include "wx/brush.h"


@@ -38,36 +38,222 @@
     #include "wx/log.h"
 #endif // WX_PRECOMP
 
     #include "wx/log.h"
 #endif // WX_PRECOMP
 

+#include "wx/renderer.h"
+#include "wx/dcclient.h"
+

 #include "wx/msw/private.h"
 #include "wx/msw/private.h"

+#include "wx/msw/private/button.h"

 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED)
-
-#define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10)
+wxDEFINE_EVENT( wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, wxCommandEvent );

 
 // ============================================================================
 // implementation
 // ============================================================================
 
 
 // ============================================================================
 // implementation
 // ============================================================================
 

+//-----------------------------------------------------------------------------
+// wxBitmapToggleButton
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapToggleButton, wxControl)
+
+BEGIN_EVENT_TABLE(wxBitmapToggleButton,wxToggleButtonBase)
+   EVT_PAINT(wxBitmapToggleButton::OnPaint)
+   EVT_MOUSE_EVENTS(wxBitmapToggleButton::OnMouse)
+   EVT_CHAR(wxBitmapToggleButton::OnChar)
+   EVT_SIZE(wxBitmapToggleButton::OnSize)
+END_EVENT_TABLE()
+
+void wxBitmapToggleButton::Init()
+{
+    m_depressed = false;
+    m_oldValue = false;
+    m_capturing = false;
+}
+
+bool wxBitmapToggleButton::Create( wxWindow *parent, wxWindowID id,
+                const wxBitmap& label,const wxPoint& pos, const wxSize& size, long style,
+                const wxValidator& validator, const wxString& name )
+{
+    Init();
+
+    if (!wxToggleButtonBase::Create( parent, id, pos, size, style, validator, name ))
+        return false;
+
+    m_bitmap = label;
+
+    if (size.x == -1 || size.y == -1)
+    {
+        wxSize new_size = GetBestSize();
+        if (size.x != -1)
+            new_size.x = size.x;
+        if (size.y != -1)
+            new_size.y = size.y;
+        SetSize( new_size );
+    }
+
+    return true;
+}
+
+void wxBitmapToggleButton::SetValue(bool state)
+{
+    if (m_capturing) return;
+
+    if (state == m_depressed) return;
+
+    m_depressed = state;
+    Refresh();
+}
+
+bool wxBitmapToggleButton::GetValue() const
+{
+    return m_depressed;
+}
+
+void wxBitmapToggleButton::SetLabel(const wxBitmap& label)
+{
+    m_bitmap = label;
+    m_disabledBitmap = wxBitmap();
+
+    Refresh();
+}
+
+bool wxBitmapToggleButton::Enable(bool enable)
+{
+    if (m_capturing) return false;
+
+    if (!wxToggleButtonBase::Enable( enable ))
+      return false;
+
+    Refresh();
+
+    return true;
+}
+
+void wxBitmapToggleButton::OnPaint(wxPaintEvent &WXUNUSED(event))
+{
+    wxSize size = GetSize();
+
+    wxBitmap bitmap = m_bitmap;
+
+    wxPaintDC dc(this);
+    wxRendererNative &renderer = wxRendererNative::Get();
+    int flags = 0;
+    if (m_depressed)
+        flags |= wxCONTROL_PRESSED;
+    wxRect rect(0,0,size.x,size.y);
+    renderer.DrawPushButton( this, dc, rect, flags );
+
+    if (bitmap.IsOk())
+    {
+        if (!IsEnabled())
+        {
+            if (!m_disabledBitmap.IsOk())
+            {
+                wxImage image = m_bitmap.ConvertToImage();
+                m_disabledBitmap = wxBitmap( image.ConvertToGreyscale() );
+            }
+
+            bitmap = m_disabledBitmap;
+        }
+
+        wxSize bsize = bitmap.GetSize();
+        int offset = 0;
+        if (m_depressed) offset = 1;
+        dc.DrawBitmap( bitmap, (size.x-bsize.x) / 2 + offset, (size.y-bsize.y) / 2 + offset, true );
+    }
+
+}
+
+void wxBitmapToggleButton::OnMouse(wxMouseEvent &event)
+{
+    if (!IsEnabled())
+        return;
+
+    wxSize size = GetSize();
+    bool mouse_in = ((event.GetX() > 0) && (event.GetX() < size.x) &&
+                     (event.GetY() > 0) && (event.GetY() < size.y));
+
+    if (m_capturing)
+    {
+        bool old_depressed = m_depressed;
+        if (mouse_in)
+            m_depressed = !m_oldValue;
+        else
+            m_depressed = m_oldValue;
+
+        if (event.LeftUp())
+        {
+            ReleaseCapture();
+            m_capturing = false;
+            if (mouse_in)
+            {
+                wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, m_windowId);
+                event.SetInt(GetValue());
+                event.SetEventObject(this);
+                ProcessCommand(event);
+            }
+        }
+
+        if (old_depressed != m_depressed)
+           Refresh();
+    }
+    else
+    {
+        if (event.LeftDown())
+        {
+            m_capturing = true;
+            m_oldValue = m_depressed;
+            m_depressed = !m_oldValue;
+            CaptureMouse();
+            Refresh();
+        }
+    }
+}
+
+void wxBitmapToggleButton::OnChar(wxKeyEvent &event)
+{
+   if (event.GetKeyCode() == WXK_SPACE)
+   {
+       m_depressed = !m_depressed;
+       Refresh();
+
+       wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, m_windowId);
+       event.SetInt(GetValue());
+       event.SetEventObject(this);
+       ProcessCommand(event);
+   }
+}
+
+void wxBitmapToggleButton::OnSize(wxSizeEvent &WXUNUSED(event))
+{
+    Refresh();
+}
+
+wxSize wxBitmapToggleButton::DoGetBestSize() const
+{
+    if (!m_bitmap.IsOk())
+        return wxSize(16,16);
+
+    wxSize ret = m_bitmap.GetSize();
+    ret.x += 8;
+    ret.y += 8;
+    return ret;
+}
+
+

 // ----------------------------------------------------------------------------
 // wxToggleButton
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxToggleButton
 // ----------------------------------------------------------------------------
 

-bool wxToggleButton::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
-{
-   wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, m_windowId);
-   event.SetInt(GetValue());
-   event.SetEventObject(this);
-   ProcessCommand(event);
-   return TRUE;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl)

 
 // Single check box item
 
 // Single check box item

-bool wxToggleButton::Create(wxWindow *parent, wxWindowID id,
+bool wxToggleButton::Create(wxWindow *parent,
+                            wxWindowID id,

                             const wxString& label,
                             const wxPoint& pos,
                             const wxSize& size, long style,
                             const wxString& label,
                             const wxPoint& pos,
                             const wxSize& size, long style,


@@ -75,36 +261,34 @@ bool wxToggleButton::Create(wxWindow *parent, wxWindowID id,
                             const wxString& name)
 {
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
                             const wxString& name)
 {
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )

-        return FALSE;
-    
-    if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
-      return FALSE;
-    
-    return TRUE;
-}
-
-wxBorder wxToggleButton::GetDefaultBorder() const
-{
-    return wxBORDER_NONE;
+        return false;
+
+    // if the label contains several lines we must explicitly tell the button
+    // about it or it wouldn't draw it correctly ("\n"s would just appear as
+    // black boxes)
+    //
+    // NB: we do it here and not in MSWGetStyle() because we need the label
+    //     value and the label is not set yet when MSWGetStyle() is called
+    WXDWORD exstyle;
+    WXDWORD msStyle = MSWGetStyle(style, &exstyle);
+    msStyle |= wxMSWButton::GetMultilineStyle(label);
+
+    return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, exstyle);

 }
 
 WXDWORD wxToggleButton::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
 
 }
 
 WXDWORD wxToggleButton::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
 

-#ifndef BS_PUSHLIKE
-#define BS_PUSHLIKE 0x00001000L
-#endif
-

     msStyle |= BS_AUTOCHECKBOX | BS_PUSHLIKE | WS_TABSTOP;
 
     msStyle |= BS_AUTOCHECKBOX | BS_PUSHLIKE | WS_TABSTOP;
 

-    if(style & wxBU_LEFT)
+    if ( style & wxBU_LEFT )

       msStyle |= BS_LEFT;
       msStyle |= BS_LEFT;

-    if(style & wxBU_RIGHT)
+    if ( style & wxBU_RIGHT )

       msStyle |= BS_RIGHT;
       msStyle |= BS_RIGHT;

-    if(style & wxBU_TOP)
+    if ( style & wxBU_TOP )

       msStyle |= BS_TOP;
       msStyle |= BS_TOP;

-    if(style & wxBU_BOTTOM)
+    if ( style & wxBU_BOTTOM )

       msStyle |= BS_BOTTOM;
 
     return msStyle;
       msStyle |= BS_BOTTOM;
 
     return msStyle;


@@ -112,55 +296,39 @@ WXDWORD wxToggleButton::MSWGetStyle(long style, WXDWORD *exstyle) const
 
 wxSize wxToggleButton::DoGetBestSize() const
 {
 
 wxSize wxToggleButton::DoGetBestSize() const
 {

-   wxString label = wxGetWindowText(GetHWND());
-   int wBtn;
-   GetTextExtent(label, &wBtn, NULL);
-
-   int wChar, hChar;
-   wxGetCharSize(GetHWND(), &wChar, &hChar, &GetFont());
-
-   // add a margin - the button is wider than just its label
-   wBtn += 3*wChar;
-
-   // the button height is proportional to the height of the font used
-   int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar);
+    return wxMSWButton::ComputeBestSize(const_cast<wxToggleButton *>(this));
+}

 
 

-#if wxUSE_BUTTON
-   wxSize sz = wxButton::GetDefaultSize();
-   if (wBtn > sz.x)
-       sz.x = wBtn;
-   if (hBtn > sz.y)
-       sz.y = hBtn;
-#else
-   wxSize sz(wBtn, hBtn);
-#endif
+void wxToggleButton::SetLabel(const wxString& label)
+{
+    wxMSWButton::UpdateMultilineStyle(GetHwnd(), label);

 
 

-   return sz;
+    wxToggleButtonBase::SetLabel(label);

 }
 
 void wxToggleButton::SetValue(bool val)
 {
 }
 
 void wxToggleButton::SetValue(bool val)
 {

-   SendMessage(GetHwnd(), BM_SETCHECK, val, 0);
+   ::SendMessage(GetHwnd(), BM_SETCHECK, val, 0);

 }
 
 }
 

-#ifndef BST_CHECKED
-#define BST_CHECKED 0x0001
-#endif
-

 bool wxToggleButton::GetValue() const
 {
 bool wxToggleButton::GetValue() const
 {

-#ifdef __WIN32__
-   return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) == BST_CHECKED);
-#else
-   return ((0x001 & SendMessage(GetHwnd(), BM_GETCHECK, 0, 0)) == 0x001);
-#endif
+    return ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) == BST_CHECKED;

 }
 
 }
 

-void wxToggleButton::Command(wxCommandEvent & event)
+void wxToggleButton::Command(wxCommandEvent& event)

 {
 {

-   SetValue((event.GetInt() != 0));
-   ProcessCommand(event);
+    SetValue(event.GetInt() != 0);
+    ProcessCommand(event);

 }
 
 }
 

-#endif // wxUSE_TOGGLEBTN
+bool wxToggleButton::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
+{
+    wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, m_windowId);
+    event.SetInt(GetValue());
+    event.SetEventObject(this);
+    ProcessCommand(event);
+    return true;
+}

 
 

+#endif // wxUSE_TOGGLEBTN