/////////////////////////////////////////////////////////////////////////////
-// Name: iconbndl.cpp
+// Name: src/common/iconbndl.cpp
// Purpose: wxIconBundle
-// Author: Mattia Barbon
+// Author: Mattia Barbon, Vadim Zeitlin
// Created: 23.03.2002
// RCS-ID: $Id$
// Copyright: (c) Mattia barbon
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "iconbndl.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/iconbndl.h"
+
#ifndef WX_PRECOMP
#include "wx/settings.h"
- #include "wx/image.h"
- #include "wx/icon.h"
#include "wx/log.h"
#include "wx/intl.h"
+ #include "wx/bitmap.h"
+ #include "wx/image.h"
+ #include "wx/stream.h"
#endif
-#include "wx/iconbndl.h"
-#include "wx/arrimpl.cpp"
+#include "wx/wfstream.h"
+#include "wx/arrimpl.cpp"
WX_DEFINE_OBJARRAY(wxIconArray)
-const wxIconBundle& wxIconBundle::operator =( const wxIconBundle& ic )
+IMPLEMENT_DYNAMIC_CLASS(wxIconBundle, wxGDIObject)
+
+#define M_ICONBUNDLEDATA static_cast<wxIconBundleRefData*>(m_refData)
+
+// ----------------------------------------------------------------------------
+// wxIconBundleRefData
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxIconBundleRefData : public wxGDIRefData
+{
+public:
+ wxIconBundleRefData() { }
+
+ // We need the copy ctor for CloneGDIRefData() but notice that we use the
+ // base class default ctor in it and not the copy one which it doesn't have.
+ wxIconBundleRefData(const wxIconBundleRefData& other)
+ : wxGDIRefData(),
+ m_icons(other.m_icons)
+ {
+ }
+
+ // default assignment operator and dtor are ok
+
+ virtual bool IsOk() const { return !m_icons.empty(); }
+
+ wxIconArray m_icons;
+};
+
+// ============================================================================
+// wxIconBundle implementation
+// ============================================================================
+
+wxIconBundle::wxIconBundle()
+{
+}
+
+#if wxUSE_STREAMS && wxUSE_IMAGE
+
+#if wxUSE_FFILE || wxUSE_FILE
+wxIconBundle::wxIconBundle(const wxString& file, wxBitmapType type)
+ : wxGDIObject()
+{
+ AddIcon(file, type);
+}
+#endif // wxUSE_FFILE || wxUSE_FILE
+
+wxIconBundle::wxIconBundle(wxInputStream& stream, wxBitmapType type)
+ : wxGDIObject()
{
- if( this == &ic ) return *this;
+ AddIcon(stream, type);
+}
+#endif // wxUSE_STREAMS && wxUSE_IMAGE
- size_t i, max = ic.m_icons.GetCount();
+wxIconBundle::wxIconBundle(const wxIcon& icon)
+ : wxGDIObject()
+{
+ AddIcon(icon);
+}
- DeleteIcons();
- for( i = 0; i < max; ++i )
- m_icons.Add( ic.m_icons[i] );
+wxGDIRefData *wxIconBundle::CreateGDIRefData() const
+{
+ return new wxIconBundleRefData;
+}
- return *this;
+wxGDIRefData *wxIconBundle::CloneGDIRefData(const wxGDIRefData *data) const
+{
+ return new wxIconBundleRefData(*static_cast<const wxIconBundleRefData *>(data));
}
void wxIconBundle::DeleteIcons()
{
- m_icons.Empty();
+ UnRef();
}
-void wxIconBundle::AddIcon( const wxString& file, long type )
+#if wxUSE_STREAMS && wxUSE_IMAGE
+
+namespace
+{
+
+// Adds icon from 'input' to the bundle. Shows 'errorMessage' on failure
+// (it must contain "%d", because it is used to report # of image in the file
+// that failed to load):
+void DoAddIcon(wxIconBundle& bundle,
+ wxInputStream& input,
+ wxBitmapType type,
+ const wxString& errorMessage)
{
- size_t count = wxImage::GetImageCount( file, type );
- size_t i;
wxImage image;
- wxIcon tmp;
- for( i = 0; i < count; ++i )
+ const wxFileOffset posOrig = input.TellI();
+
+ const size_t count = wxImage::GetImageCount(input, type);
+ for ( size_t i = 0; i < count; ++i )
{
- if( !image.LoadFile( file, type, i ) )
+ if ( i )
+ {
+ // the call to LoadFile() for the first sub-image updated the
+ // stream position but we need to start reading the subsequent
+ // sub-image at the image beginning too
+ input.SeekI(posOrig);
+ }
+
+ if ( !image.LoadFile(input, type, i) )
{
- wxLogError( _("Failed to load image %d from file '%s'."),
- i, file.c_str() );
+ wxLogError(errorMessage, i);
continue;
}
- tmp.CopyFromBitmap( wxBitmap( image ) );
- AddIcon( tmp );
+ if ( type == wxBITMAP_TYPE_ANY )
+ {
+ // store the type so that we don't need to try all handlers again
+ // for the subsequent images, they should all be of the same type
+ type = image.GetType();
+ }
+
+ wxIcon tmp;
+ tmp.CopyFromBitmap(wxBitmap(image));
+ bundle.AddIcon(tmp);
}
}
-const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
+} // anonymous namespace
+
+#if wxUSE_FFILE || wxUSE_FILE
+
+void wxIconBundle::AddIcon(const wxString& file, wxBitmapType type)
{
- size_t i, max = m_icons.GetCount();
- wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
- sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
- wxIcon* sysIcon = 0;
+#ifdef __WXMAC__
+ // Deal with standard icons
+ if ( type == wxBITMAP_TYPE_ICON_RESOURCE )
+ {
+ wxIcon tmp(file, type);
+ if (tmp.IsOk())
+ {
+ AddIcon(tmp);
+ return;
+ }
+ }
+#endif // __WXMAC__
+
+#if wxUSE_FFILE
+ wxFFileInputStream stream(file);
+#elif wxUSE_FILE
+ wxFileInputStream stream(file);
+#endif
+ DoAddIcon
+ (
+ *this,
+ stream, type,
+ wxString::Format(_("Failed to load image %%d from file '%s'."), file)
+ );
+}
+
+#endif // wxUSE_FFILE || wxUSE_FILE
+
+void wxIconBundle::AddIcon(wxInputStream& stream, wxBitmapType type)
+{
+ DoAddIcon(*this, stream, type, _("Failed to load image %d from stream."));
+}
+
+#endif // wxUSE_STREAMS && wxUSE_IMAGE
+
+wxIcon wxIconBundle::GetIcon(const wxSize& size, int flags) const
+{
+ wxASSERT( size == wxDefaultSize || (size.x >= 0 && size.y > 0) );
+
+ // We need the standard system icon size when using FALLBACK_SYSTEM.
+ wxCoord sysX = 0,
+ sysY = 0;
+ if ( flags & FALLBACK_SYSTEM )
+ {
+ sysX = wxSystemSettings::GetMetric(wxSYS_ICON_X);
+ sysY = wxSystemSettings::GetMetric(wxSYS_ICON_Y);
+ }
- for( i = 0; i < max; ++i )
+ // If size == wxDefaultSize, we use system default icon size by convention.
+ wxCoord sizeX = size.x;
+ wxCoord sizeY = size.y;
+ if ( size == wxDefaultSize )
{
- wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
- // requested size
- if( sx == size.x && sy == size.y )
- return m_icons[i];
- // keep track if there is a system-size icon
- if( sx == sysX && sy == sysY )
- sysIcon = &m_icons[i];
+ wxASSERT_MSG( flags == FALLBACK_SYSTEM,
+ wxS("Must have valid size if not using FALLBACK_SYSTEM") );
+
+ sizeX = sysX;
+ sizeY = sysY;
}
- // return the system-sized icon if we've got one
- if( sysIcon ) return *sysIcon;
- // return the first icon, if we have one
- return max > 0 ? m_icons[0] : wxNullIcon;
+ // Iterate over all icons searching for the exact match or the closest icon
+ // for FALLBACK_NEAREST_LARGER.
+ wxIcon iconBest;
+ int bestDiff = 0;
+ bool bestIsLarger = false;
+ bool bestIsSystem = false;
+
+ const size_t count = GetIconCount();
+
+ const wxIconArray& iconArray = M_ICONBUNDLEDATA->m_icons;
+ for ( size_t i = 0; i < count; i++ )
+ {
+ const wxIcon& icon = iconArray[i];
+ if ( !icon.IsOk() )
+ continue;
+ wxCoord sx = icon.GetWidth(),
+ sy = icon.GetHeight();
+
+ // Exact match ends search immediately in any case.
+ if ( sx == sizeX && sy == sizeY )
+ {
+ iconBest = icon;
+ break;
+ }
+
+ if ( flags & FALLBACK_SYSTEM )
+ {
+ if ( sx == sysX && sy == sysY )
+ {
+ iconBest = icon;
+ bestIsSystem = true;
+ continue;
+ }
+ }
+
+ if ( !bestIsSystem && (flags & FALLBACK_NEAREST_LARGER) )
+ {
+ bool iconLarger = (sx >= sizeX) && (sy >= sizeY);
+ int iconDiff = abs(sx - sizeX) + abs(sy - sizeY);
+
+ // Use current icon as candidate for the best icon, if either:
+ // - we have no candidate yet
+ // - we have no candidate larger than desired size and current icon is
+ // - current icon is closer to desired size than candidate
+ if ( !iconBest.IsOk() ||
+ (!bestIsLarger && iconLarger) ||
+ (iconLarger && (iconDiff < bestDiff)) )
+ {
+ iconBest = icon;
+ bestIsLarger = iconLarger;
+ bestDiff = iconDiff;
+ continue;
+ }
+ }
+ }
+
+#if defined( __WXMAC__ ) && wxOSX_USE_CARBON
+ if (!iconBest.IsOk())
+ return wxNullIcon;
+
+ return wxIcon(iconBest.GetHICON(), size);
+#else
+ return iconBest;
+#endif
}
-void wxIconBundle::AddIcon( const wxIcon& icon )
+wxIcon wxIconBundle::GetIconOfExactSize(const wxSize& size) const
{
- size_t i, max = m_icons.GetCount();
+ return GetIcon(size, FALLBACK_NONE);
+}
- for( i = 0; i < max; ++i )
+void wxIconBundle::AddIcon(const wxIcon& icon)
+{
+ wxCHECK_RET( icon.IsOk(), wxT("invalid icon") );
+
+ AllocExclusive();
+
+ wxIconArray& iconArray = M_ICONBUNDLEDATA->m_icons;
+
+ // replace existing icon with the same size if we already have it
+ const size_t count = iconArray.size();
+ for ( size_t i = 0; i < count; ++i )
{
- wxIcon& tmp = m_icons[i];
- if( tmp.GetWidth() == icon.GetWidth() &&
- tmp.GetHeight() == icon.GetHeight() )
+ wxIcon& tmp = iconArray[i];
+ if ( tmp.IsOk() &&
+ tmp.GetWidth() == icon.GetWidth() &&
+ tmp.GetHeight() == icon.GetHeight() )
{
tmp = icon;
return;
}
}
- m_icons.Add( icon );
+ // if we don't, add an icon with new size
+ iconArray.Add(icon);
+}
+
+size_t wxIconBundle::GetIconCount() const
+{
+ return IsOk() ? M_ICONBUNDLEDATA->m_icons.size() : 0;
+}
+
+wxIcon wxIconBundle::GetIconByIndex(size_t n) const
+{
+ wxCHECK_MSG( n < GetIconCount(), wxNullIcon, wxT("invalid index") );
+
+ return M_ICONBUNDLEDATA->m_icons[n];
}
projects / wxWidgets.git / blobdiff