missing commit

[wxWidgets.git] / src / gtk / animate.cpp

diff --git a/src/gtk/animate.cpp b/src/gtk/animate.cpp
index 7b3b798c00ae796e492ca4d4122cb1bb44d8e93b..a70e92e87217d5342af4e8ab2b65f39ad60b179f 100644 (file)
--- a/src/gtk/animate.cpp
+++ b/src/gtk/animate.cpp
@@ -22,6 +22,9 @@
     #include "wx/stream.h"
 #endif
 
     #include "wx/stream.h"
 #endif
 

+#include "wx/wfstream.h"
+#include "wx/gtk/private.h"
+

 #include <gtk/gtk.h>
 
 
 #include <gtk/gtk.h>
 
 


@@ -30,10 +33,10 @@
 // ============================================================================
 
 void gdk_pixbuf_area_updated(GdkPixbufLoader *loader,
 // ============================================================================
 
 void gdk_pixbuf_area_updated(GdkPixbufLoader *loader,

-                             gint             x,
-                             gint             y,
-                             gint             width,
-                             gint             height,
+                             gint             WXUNUSED(x),
+                             gint             WXUNUSED(y),
+                             gint             WXUNUSED(width),
+                             gint             WXUNUSED(height),

                              wxAnimation      *anim)
 {
     if (anim && anim->GetPixbuf() == NULL)
                              wxAnimation      *anim)
 {
     if (anim && anim->GetPixbuf() == NULL)


@@ -59,6 +62,13 @@ wxAnimation::wxAnimation(const wxAnimation& that)
         g_object_ref(m_pixbuf);
 }
 
         g_object_ref(m_pixbuf);
 }
 

+wxAnimation::wxAnimation(GdkPixbufAnimation *p)
+{
+    m_pixbuf = p;
+    if ( m_pixbuf )
+        g_object_ref(m_pixbuf);
+}
+

 wxAnimation& wxAnimation::operator=(const wxAnimation& that)
 {
     if (this != &that)
 wxAnimation& wxAnimation::operator=(const wxAnimation& that)
 {
     if (this != &that)


@@ -75,8 +85,7 @@ wxAnimation& wxAnimation::operator=(const wxAnimation& that)
 bool wxAnimation::LoadFile(const wxString &name, wxAnimationType WXUNUSED(type))
 {
     UnRef();
 bool wxAnimation::LoadFile(const wxString &name, wxAnimationType WXUNUSED(type))
 {
     UnRef();

-    m_pixbuf = gdk_pixbuf_animation_new_from_file(
-        wxConvFileName->cWX2MB(name), NULL);
+    m_pixbuf = gdk_pixbuf_animation_new_from_file(wxGTK_CONV_FN(name), NULL);

     return IsOk();
 }
 
     return IsOk();
 }
 


@@ -108,9 +117,11 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
     else
         loader = gdk_pixbuf_loader_new();
 
     else
         loader = gdk_pixbuf_loader_new();
 

-    if (!loader)
+    if (!loader ||
+        error != NULL)  // even if the loader was allocated, an error could have happened

     {
     {

-        wxLogDebug(wxT("Could not create the loader for '%s' animation type"), anim_type);
+        wxLogDebug(wxT("Could not create the loader for '%s' animation type: %s"),
+                   anim_type, error->message);

         return false;
     }
 
         return false;
     }
 


@@ -118,32 +129,51 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type)
     g_signal_connect(loader, "area-updated", G_CALLBACK(gdk_pixbuf_area_updated), this);
 
     guchar buf[2048];
     g_signal_connect(loader, "area-updated", G_CALLBACK(gdk_pixbuf_area_updated), this);
 
     guchar buf[2048];

+    bool data_written = false;

     while (stream.IsOk())
     {
         // read a chunk of data
     while (stream.IsOk())
     {
         // read a chunk of data

-        stream.Read(buf, sizeof(buf));
+        if (!stream.Read(buf, sizeof(buf)) &&
+            stream.GetLastError() != wxSTREAM_EOF)   // EOF is OK for now
+        {
+            // gdk_pixbuf_loader_close wants the GError == NULL
+            gdk_pixbuf_loader_close(loader, NULL);
+            return false;
+        }

 
         // fetch all data into the loader
         if (!gdk_pixbuf_loader_write(loader, buf, stream.LastRead(), &error))
         {
 
         // fetch all data into the loader
         if (!gdk_pixbuf_loader_write(loader, buf, stream.LastRead(), &error))
         {

-            gdk_pixbuf_loader_close(loader, &error);
-            wxLogDebug(wxT("Could not write to the loader"));
+            wxLogDebug(wxT("Could not write to the loader: %s"), error->message);
+
+            // gdk_pixbuf_loader_close wants the GError == NULL
+            gdk_pixbuf_loader_close(loader, NULL);

             return false;
         }
             return false;
         }

+
+        data_written = true;
+    }
+
+    if (!data_written)
+    {
+        wxLogDebug("Could not read data from the stream...");
+        return false;

     }
 
     }
 

-    // load complete
+    // load complete: gdk_pixbuf_loader_close will now check if the data we
+    // wrote inside the pixbuf loader does make sense and will give an error
+    // if it doesn't (because of a truncated file, corrupted data or whatelse)

     if (!gdk_pixbuf_loader_close(loader, &error))
     {
     if (!gdk_pixbuf_loader_close(loader, &error))
     {

-        wxLogDebug(wxT("Could not close the loader"));
+        wxLogDebug(wxT("Could not close the loader: %s"), error->message);

         return false;
     }
 
     // wait until we get the last area_updated signal
         return false;
     }
 
     // wait until we get the last area_updated signal

-    return true;
+    return data_written;

 }
 
 }
 

-wxImage wxAnimation::GetFrame(size_t i) const
+wxImage wxAnimation::GetFrame(unsigned int WXUNUSED(frame)) const

 {
     return wxNullImage;
 }
 {
     return wxNullImage;
 }


@@ -192,9 +222,6 @@ bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id,
                               long style,
                               const wxString& name)
 {
                               long style,
                               const wxString& name)
 {

-    m_needParent = true;
-    m_acceptsFocus = true;
-

     if (!PreCreation( parent, pos, size ) ||
         !base_type::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK,
                                wxDefaultValidator, name))
     if (!PreCreation( parent, pos, size ) ||
         !base_type::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK,
                                wxDefaultValidator, name))


@@ -206,7 +233,7 @@ bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id,
     SetWindowStyle(style);
 
     m_widget = gtk_image_new();
     SetWindowStyle(style);
 
     m_widget = gtk_image_new();

-    gtk_widget_show( GTK_WIDGET(m_widget) );
+    g_object_ref(m_widget);

 
     m_parent->DoAddChild( this );
 
 
     m_parent->DoAddChild( this );
 


@@ -229,9 +256,17 @@ wxAnimationCtrl::~wxAnimationCtrl()
 }
 
 bool wxAnimationCtrl::LoadFile(const wxString &filename, wxAnimationType type)
 }
 
 bool wxAnimationCtrl::LoadFile(const wxString &filename, wxAnimationType type)

+{
+    wxFileInputStream fis(filename);
+    if (!fis.IsOk())
+        return false;
+    return Load(fis, type);
+}
+
+bool wxAnimationCtrl::Load(wxInputStream& stream, wxAnimationType type)

 {
     wxAnimation anim;
 {
     wxAnimation anim;

-    if (!anim.LoadFile(filename, type))
+    if ( !anim.Load(stream, type) || !anim.IsOk() )

         return false;
 
     SetAnimation(anim);
         return false;
 
     SetAnimation(anim);


@@ -271,7 +306,7 @@ void wxAnimationCtrl::FitToAnimation()
         h = gdk_pixbuf_animation_get_height(m_anim);
 
     // update our size to fit animation
         h = gdk_pixbuf_animation_get_height(m_anim);
 
     // update our size to fit animation

-        SetSize(w, h);
+    SetSize(w, h);

 }
 
 void wxAnimationCtrl::ResetAnim()
 }
 
 void wxAnimationCtrl::ResetAnim()


@@ -318,36 +353,18 @@ void wxAnimationCtrl::Stop()
     DisplayStaticImage();
 }
 
     DisplayStaticImage();
 }
 

-void wxAnimationCtrl::SetInactiveBitmap(const wxBitmap &bmp)
-{
-    wxAnimationCtrlBase::SetInactiveBitmap(bmp);
-
-    // update the pixbuf associated with m_widget now...
-    if (!IsPlaying())
-        DisplayStaticImage();
-}
-

 void wxAnimationCtrl::DisplayStaticImage()
 {
     wxASSERT(!IsPlaying());
 
 void wxAnimationCtrl::DisplayStaticImage()
 {
     wxASSERT(!IsPlaying());
 

-    if (m_bmpStatic.IsOk())
+    // m_bmpStaticReal will be updated only if necessary...
+    UpdateStaticImage();
+
+    if (m_bmpStaticReal.IsOk())

     {
         // show inactive bitmap
     {
         // show inactive bitmap

-        GdkBitmap *mask = (GdkBitmap *) NULL;
-        if (m_bmpStatic.GetMask())
-            mask = m_bmpStatic.GetMask()->GetBitmap();
-
-        if (m_bmpStatic.HasPixbuf())
-        {
-            gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget),
-                                        m_bmpStatic.GetPixbuf());
-        }
-        else
-        {
-            gtk_image_set_from_pixmap(GTK_IMAGE(m_widget),
-                                        m_bmpStatic.GetPixmap(), mask);
-        }
+        gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget),
+                                      m_bmpStaticReal.GetPixbuf());

     }
     else
     {
     }
     else
     {


@@ -408,7 +425,13 @@ bool wxAnimationCtrl::SetBackgroundColour( const wxColour &colour )
     // Thus we clear the GtkImage contents to the background colour...
     if (!wxControl::SetBackgroundColour(colour))
         return false;
     // Thus we clear the GtkImage contents to the background colour...
     if (!wxControl::SetBackgroundColour(colour))
         return false;

-    ClearToBackgroundColour();
+
+    // if not playing the change must take place immediately but
+    // remember that the inactive bitmap has higher priority over the background
+    // colour; DisplayStaticImage() will handle that
+    if ( !IsPlaying() )
+        DisplayStaticImage();
+

     return true;
 }
 
     return true;
 }
 


@@ -417,7 +440,7 @@ bool wxAnimationCtrl::SetBackgroundColour( const wxColour &colour )
 // wxAnimationCtrl - event handlers
 //-----------------------------------------------------------------------------
 
 // wxAnimationCtrl - event handlers
 //-----------------------------------------------------------------------------
 

-void wxAnimationCtrl::OnTimer(wxTimerEvent &ev)
+void wxAnimationCtrl::OnTimer(wxTimerEvent& WXUNUSED(ev))

 {
     wxASSERT(m_iter != NULL);
 
 {
     wxASSERT(m_iter != NULL);