X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8e458bb53997706d4432d2dc0b9b516320709389..1bd122ddfa1d4d3e5f87ecb1e7dd317439fb6593:/src/gtk/animate.cpp diff --git a/src/gtk/animate.cpp b/src/gtk/animate.cpp index a2e17e22aa..1975fcf5d0 100644 --- a/src/gtk/animate.cpp +++ b/src/gtk/animate.cpp @@ -22,6 +22,8 @@ #include "wx/stream.h" #endif +#include "wx/wfstream.h" + #include @@ -30,10 +32,10 @@ // ============================================================================ 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) @@ -59,6 +61,13 @@ wxAnimation::wxAnimation(const wxAnimation& that) 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) @@ -75,8 +84,7 @@ wxAnimation& wxAnimation::operator=(const wxAnimation& that) 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(name.fn_str(), NULL); return IsOk(); } @@ -108,9 +116,11 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type) 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; } @@ -118,32 +128,51 @@ bool wxAnimation::Load(wxInputStream &stream, wxAnimationType type) 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 - 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)) { - 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; } + + 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)) { - 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 true; + return data_written; } -wxImage wxAnimation::GetFrame(size_t i) const +wxImage wxAnimation::GetFrame(unsigned int WXUNUSED(frame)) const { return wxNullImage; } @@ -192,9 +221,6 @@ bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id, 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)) @@ -206,14 +232,15 @@ bool wxAnimationCtrl::Create( wxWindow *parent, wxWindowID id, SetWindowStyle(style); m_widget = gtk_image_new(); - gtk_widget_show( GTK_WIDGET(m_widget) ); + g_object_ref(m_widget); + gtk_widget_show(m_widget); m_parent->DoAddChild( this ); PostCreation(size); - SetBestSize(size); + SetInitialSize(size); - if (anim != wxNullAnimation) + if (anim.IsOk()) SetAnimation(anim); // init the timer used for animation @@ -229,9 +256,17 @@ wxAnimationCtrl::~wxAnimationCtrl() } 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; - if (!anim.LoadFile(filename, type)) + if ( !anim.Load(stream, type) || !anim.IsOk() ) 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 - SetSize(w, h); + SetSize(w, h); } void wxAnimationCtrl::ResetAnim() @@ -318,43 +353,44 @@ void wxAnimationCtrl::Stop() 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()); - if (m_bmpStatic.IsOk()) + // m_bmpStaticReal will be updated only if necessary... + UpdateStaticImage(); + + if (m_bmpStaticReal.IsOk()) { // show inactive bitmap - GdkBitmap *mask = (GdkBitmap *) NULL; - if (m_bmpStatic.GetMask()) - mask = m_bmpStatic.GetMask()->GetBitmap(); + GdkBitmap *mask = NULL; + if (m_bmpStaticReal.GetMask()) + mask = m_bmpStaticReal.GetMask()->GetBitmap(); - if (m_bmpStatic.HasPixbuf()) + if (m_bmpStaticReal.HasPixbuf()) { gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget), - m_bmpStatic.GetPixbuf()); + m_bmpStaticReal.GetPixbuf()); } else { gtk_image_set_from_pixmap(GTK_IMAGE(m_widget), - m_bmpStatic.GetPixmap(), mask); + m_bmpStaticReal.GetPixmap(), mask); } } else { - // even if not clearly documented, gdk_pixbuf_animation_get_static_image() - // always returns the first frame of the animation - gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget), - gdk_pixbuf_animation_get_static_image(m_anim)); + if (m_anim) + { + // even if not clearly documented, gdk_pixbuf_animation_get_static_image() + // always returns the first frame of the animation + gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget), + gdk_pixbuf_animation_get_static_image(m_anim)); + } + else + { + ClearToBackgroundColour(); + } } } @@ -401,7 +437,13 @@ bool wxAnimationCtrl::SetBackgroundColour( const wxColour &colour ) // 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; } @@ -410,7 +452,7 @@ bool wxAnimationCtrl::SetBackgroundColour( const wxColour &colour ) // wxAnimationCtrl - event handlers //----------------------------------------------------------------------------- -void wxAnimationCtrl::OnTimer(wxTimerEvent &ev) +void wxAnimationCtrl::OnTimer(wxTimerEvent& WXUNUSED(ev)) { wxASSERT(m_iter != NULL);