reformat for readability

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

diff --git a/src/msw/bmpbuttn.cpp b/src/msw/bmpbuttn.cpp
index af0014cf671e8f0627c46b0bea3bc240b67e6d11..3ca9fe2050fcfea8521c4f62b7a9981f72a88ba8 100644 (file)
--- a/src/msw/bmpbuttn.cpp
+++ b/src/msw/bmpbuttn.cpp
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "bmpbuttn.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -30,6 +26,7 @@
 
 #include "wx/msw/private.h"
 #include "wx/image.h"
+#include "wx/msw/uxtheme.h"
 
 // ----------------------------------------------------------------------------
 // macros
@@ -91,6 +88,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
 
 BEGIN_EVENT_TABLE(wxBitmapButton, wxBitmapButtonBase)
     EVT_SYS_COLOUR_CHANGED(wxBitmapButton::OnSysColourChanged)
+    EVT_ENTER_WINDOW(wxBitmapButton::OnMouseEnterOrLeave)
+    EVT_LEAVE_WINDOW(wxBitmapButton::OnMouseEnterOrLeave)
 END_EVENT_TABLE()
 
 /*
@@ -103,8 +102,6 @@ bitmap "focus" ,
 bitmap "disabled" ,
 */
 
-#define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
-
 bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
     const wxBitmap& bitmap,
     const wxPoint& pos,
@@ -127,8 +124,8 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
 
     if ( style & wxBU_AUTODRAW )
     {
-        m_marginX = wxDEFAULT_BUTTON_MARGIN;
-        m_marginY = wxDEFAULT_BUTTON_MARGIN;
+        m_marginX =
+        m_marginY = 4;
     }
 
     if (id == wxID_ANY)
@@ -200,6 +197,34 @@ void wxBitmapButton::OnSysColourChanged(wxSysColourChangedEvent& event)
     event.Skip();
 }
 
+void wxBitmapButton::OnMouseEnterOrLeave(wxMouseEvent& event)
+{
+    if ( IsEnabled() && m_bmpHover.Ok() )
+        Refresh();
+
+    event.Skip();
+}
+
+void wxBitmapButton::OnSetBitmap()
+{
+    // if the focus bitmap is specified but hover one isn't, use the focus
+    // bitmap for hovering as well if this is consistent with the current
+    // Windows version look and feel
+    //
+    // rationale: this is compatible with the old wxGTK behaviour and also
+    // makes it much easier to do "the right thing" for all platforms (some of
+    // them, such as Windows XP, have "hot" buttons while others don't)
+    if ( !m_bmpHover.Ok() &&
+            m_bmpFocus.Ok() &&
+                wxUxThemeEngine::GetIfActive() )
+    {
+        m_bmpHover = m_bmpFocus;
+    }
+
+    // this will redraw us
+    wxBitmapButtonBase::OnSetBitmap();
+}
+
 // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
 #define FOCUS_MARGIN 3
 
@@ -223,10 +248,12 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 
 
     // choose the bitmap to use depending on the button state
-    wxBitmap* bitmap;
+    wxBitmap *bitmap;
 
     if ( isSelected && m_bmpSelected.Ok() )
         bitmap = &m_bmpSelected;
+    else if ( m_bmpHover.Ok() && IsMouseInWindow() )
+        bitmap = &m_bmpHover;
     else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
         bitmap = &m_bmpFocus;
     else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
@@ -492,26 +519,16 @@ void wxBitmapButton::SetDefault()
 
 wxSize wxBitmapButton::DoGetBestSize() const
 {
-    wxSize best;
-    if (m_bmpNormal.Ok())
-    {
-        best.x = m_bmpNormal.GetWidth() + 2*m_marginX;
-        best.y = m_bmpNormal.GetHeight() + 2*m_marginY;
-    }
-
-    // all buttons have at least the standard size unless the user explicitly
-    // wants them to be of smaller size and used wxBU_EXACTFIT style when
-    // creating the button
-    if ( !HasFlag(wxBU_EXACTFIT) )
+    if ( m_bmpNormal.Ok() )
     {
-        wxSize sz = GetDefaultSize();
-        if ( best.x < sz.x )
-            best.x = sz.x;
-        if ( best.y < sz.y )
-            best.y = sz.y;
+        wxSize best(m_bmpNormal.GetWidth() + 2*m_marginX,
+                      m_bmpNormal.GetHeight() + 2*m_marginY);
+        CacheBestSize(best);
+        return best;
     }
 
-    return best;
+    // no idea what our best size should be, defer to the base class
+    return wxBitmapButtonBase::DoGetBestSize();
 }
 
 #endif // wxUSE_BMPBUTTON