X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/05a98b6d5d201eb8edea04b1ab022e4a9a46e9f0..67afffcd05e53e20503b7b64215b6c272ac75e47:/src/gtk/animate.cpp diff --git a/src/gtk/animate.cpp b/src/gtk/animate.cpp index cf7fa686a3..8ed590bbe9 100644 --- a/src/gtk/animate.cpp +++ b/src/gtk/animate.cpp @@ -4,7 +4,6 @@ // Author: Francesco Montorsi // Modified By: // Created: 24/09/2006 -// Id: $Id$ // Copyright: (c) Francesco Montorsi // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -12,7 +11,7 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#if wxUSE_ANIMATIONCTRL +#if wxUSE_ANIMATIONCTRL && !defined(__WXUNIVERSAL__) #include "wx/animate.h" @@ -22,6 +21,9 @@ #include "wx/stream.h" #endif +#include "wx/wfstream.h" +#include "wx/gtk/private.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(wxGTK_CONV_FN(name), NULL); return IsOk(); } @@ -108,44 +116,63 @@ 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; } // connect to loader signals g_signal_connect(loader, "area-updated", G_CALLBACK(gdk_pixbuf_area_updated), this); - //m_bLoadComplete = false; 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; } - //m_bLoadComplete = true; // 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; } @@ -194,9 +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)) @@ -208,14 +232,14 @@ 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); m_parent->DoAddChild( this ); PostCreation(size); - SetBestSize(size); + SetInitialSize(size); - if (anim != wxNullAnimation) + if (anim.IsOk()) SetAnimation(anim); // init the timer used for animation @@ -231,9 +255,17 @@ 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); @@ -259,16 +291,9 @@ void wxAnimationCtrl::SetAnimation(const wxAnimation &anim) if (!this->HasFlag(wxAC_NO_AUTORESIZE)) FitToAnimation(); - - // display first frame - gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget), - gdk_pixbuf_animation_get_static_image(m_anim)); - } - else - { - // we need to clear the control to the background colour - ClearToBackgroundColour(); } + + DisplayStaticImage(); } void wxAnimationCtrl::FitToAnimation() @@ -280,9 +305,7 @@ void wxAnimationCtrl::FitToAnimation() h = gdk_pixbuf_animation_get_height(m_anim); // update our size to fit animation - //if (w > 0 && h > 0) -// gtk_widget_set_size_request(m_widget, w, h); - SetSize(w, h); + SetSize(w, h); } void wxAnimationCtrl::ResetAnim() @@ -324,6 +347,38 @@ void wxAnimationCtrl::Stop() if (IsPlaying()) m_timer.Stop(); m_bPlaying = false; + + ResetIter(); + DisplayStaticImage(); +} + +void wxAnimationCtrl::DisplayStaticImage() +{ + wxASSERT(!IsPlaying()); + + // m_bmpStaticReal will be updated only if necessary... + UpdateStaticImage(); + + if (m_bmpStaticReal.IsOk()) + { + // show inactive bitmap + gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget), + m_bmpStaticReal.GetPixbuf()); + } + else + { + 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(); + } + } } bool wxAnimationCtrl::IsPlaying() const @@ -358,8 +413,6 @@ void wxAnimationCtrl::ClearToBackgroundColour() guint32 col = (clr.Red() << 24) | (clr.Green() << 16) | (clr.Blue() << 8); gdk_pixbuf_fill(newpix, col); - wxLogDebug(wxT("Clearing to background %s"), clr.GetAsString().c_str()); - gtk_image_set_from_pixbuf(GTK_IMAGE(m_widget), newpix); g_object_unref(newpix); } @@ -371,7 +424,13 @@ 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; } @@ -380,7 +439,7 @@ bool wxAnimationCtrl::SetBackgroundColour( const wxColour &colour ) // wxAnimationCtrl - event handlers //----------------------------------------------------------------------------- -void wxAnimationCtrl::OnTimer(wxTimerEvent &ev) +void wxAnimationCtrl::OnTimer(wxTimerEvent& WXUNUSED(ev)) { wxASSERT(m_iter != NULL);