]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/artprov.cpp
fix (harmless for now) g++ warning about non-virtual dtor
[wxWidgets.git] / src / common / artprov.cpp
index a8785916b58c5bd7d1876ba54d8ccf22f522d6c6..299c5a669f2c4a8f876edbec5904b770866e2113 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        artprov.cpp
+// Name:        src/common/artprov.cpp
 // Purpose:     wxArtProvider class
 // Author:      Vaclav Slavik
 // Modified by:
 // headers
 // ---------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "artprov.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
     #pragma hdrstop
 #endif
 
+#include "wx/artprov.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/log.h"
     #include "wx/list.h"
+    #include "wx/log.h"
+    #include "wx/hashmap.h"
+    #include "wx/image.h"
+    #include "wx/module.h"
 #endif
 
-#include "wx/artprov.h"
-#include "wx/hashmap.h"
-#include "wx/module.h"
-
-
 // ===========================================================================
 // implementation
 // ===========================================================================
 
 #include "wx/listimpl.cpp"
 WX_DECLARE_LIST(wxArtProvider, wxArtProvidersList);
-WX_DEFINE_LIST(wxArtProvidersList);
+WX_DEFINE_LIST(wxArtProvidersList)
 
 // ----------------------------------------------------------------------------
 // Cache class - stores already requested bitmaps
 // ----------------------------------------------------------------------------
 
-WX_DECLARE_STRING_HASH_MAP(wxBitmap, wxArtProviderBitmapsHash);
+WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxBitmap, wxArtProviderBitmapsHash);
+WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxIconBundle, wxArtProviderIconBundlesHash);
 
 class WXDLLEXPORT wxArtProviderCache
 {
@@ -55,14 +52,22 @@ public:
     void PutBitmap(const wxString& full_id, const wxBitmap& bmp)
         { m_bitmapsHash[full_id] = bmp; }
 
+    bool GetIconBundle(const wxString& full_id, wxIconBundle* bmp);
+    void PutIconBundle(const wxString& full_id, const wxIconBundle& iconbundle)
+        { m_iconBundlesHash[full_id] = iconbundle; }
+
     void Clear();
-    
-    static wxString ConstructHashID(const wxArtDomain& domain, 
-                                    const wxArtID& id,
+
+    static wxString ConstructHashID(const wxArtID& id,
+                                    const wxArtClient& client,
                                     const wxSize& size);
 
+    static wxString ConstructHashID(const wxArtID& id,
+                                    const wxArtClient& client);
+
 private:
-    wxArtProviderBitmapsHash m_bitmapsHash;
+    wxArtProviderBitmapsHash m_bitmapsHash;         // cache of wxBitmaps
+    wxArtProviderIconBundlesHash m_iconBundlesHash; // cache of wxIconBundles
 };
 
 bool wxArtProviderCache::GetBitmap(const wxString& full_id, wxBitmap* bmp)
@@ -70,130 +75,357 @@ bool wxArtProviderCache::GetBitmap(const wxString& full_id, wxBitmap* bmp)
     wxArtProviderBitmapsHash::iterator entry = m_bitmapsHash.find(full_id);
     if ( entry == m_bitmapsHash.end() )
     {
-        return FALSE;
+        return false;
     }
     else
     {
         *bmp = entry->second;
-        return TRUE;
+        return true;
+    }
+}
+
+bool wxArtProviderCache::GetIconBundle(const wxString& full_id, wxIconBundle* bmp)
+{
+    wxArtProviderIconBundlesHash::iterator entry = m_iconBundlesHash.find(full_id);
+    if ( entry == m_iconBundlesHash.end() )
+    {
+        return false;
+    }
+    else
+    {
+        *bmp = entry->second;
+        return true;
     }
 }
 
 void wxArtProviderCache::Clear()
 {
     m_bitmapsHash.clear();
+    m_iconBundlesHash.clear();
 }
 
-/*static*/ wxString wxArtProviderCache::ConstructHashID(
-                                    const wxArtDomain& domain, 
-                                    const wxArtID& id, const wxSize& size)
+/* static */ wxString
+wxArtProviderCache::ConstructHashID(const wxArtID& id,
+                                    const wxArtClient& client)
 {
-    wxString str;
-    str.Printf(wxT("%s-%s-%i-%i"), domain.c_str(), id.c_str(), size.x, size.y);
-    return str;
+    return id + _T('-') + client;
 }
 
 
-// ----------------------------------------------------------------------------
+/* static */ wxString
+wxArtProviderCache::ConstructHashID(const wxArtID& id,
+                                    const wxArtClient& client,
+                                    const wxSize& size)
+{
+    return ConstructHashID(id, client) + _T('-') +
+            wxString::Format(_T("%d-%d"), size.x, size.y);
+}
+
+// ============================================================================
 // wxArtProvider class
-// ----------------------------------------------------------------------------
+// ============================================================================
 
 IMPLEMENT_ABSTRACT_CLASS(wxArtProvider, wxObject)
 
 wxArtProvidersList *wxArtProvider::sm_providers = NULL;
 wxArtProviderCache *wxArtProvider::sm_cache = NULL;
 
-/*static*/ void wxArtProvider::PushProvider(wxArtProvider *provider)
+// ----------------------------------------------------------------------------
+// wxArtProvider ctors/dtor
+// ----------------------------------------------------------------------------
+
+wxArtProvider::~wxArtProvider()
+{
+    Remove(this);
+}
+
+// ----------------------------------------------------------------------------
+// wxArtProvider operations on provider stack
+// ----------------------------------------------------------------------------
+
+/*static*/ void wxArtProvider::CommonAddingProvider()
 {
     if ( !sm_providers )
     {
         sm_providers = new wxArtProvidersList;
-        sm_providers->DeleteContents(TRUE);
         sm_cache = new wxArtProviderCache;
     }
 
+    sm_cache->Clear();
+}
+
+/*static*/ void wxArtProvider::Push(wxArtProvider *provider)
+{
+    CommonAddingProvider();
     sm_providers->Insert(provider);
 }
 
-/*static*/ bool wxArtProvider::PopProvider()
+/*static*/ void wxArtProvider::PushBack(wxArtProvider *provider)
 {
-    wxCHECK_MSG( sm_providers, FALSE, _T("no wxArtProvider exists") );
-    wxCHECK_MSG( sm_providers->GetCount() > 0, FALSE, _T("wxArtProviders stack is empty") );
+    CommonAddingProvider();
+    sm_providers->Append(provider);
+}
+
+/*static*/ bool wxArtProvider::Pop()
+{
+    wxCHECK_MSG( sm_providers, false, _T("no wxArtProvider exists") );
+    wxCHECK_MSG( !sm_providers->empty(), false, _T("wxArtProviders stack is empty") );
 
-    sm_providers->DeleteNode(sm_providers->GetFirst());
+    delete sm_providers->GetFirst()->GetData();
     sm_cache->Clear();
-    return TRUE;
+    return true;
 }
 
-/*static*/ bool wxArtProvider::RemoveProvider(wxArtProvider *provider)
+/*static*/ bool wxArtProvider::Remove(wxArtProvider *provider)
 {
-    wxCHECK_MSG( sm_providers, FALSE, _T("no wxArtProvider exists") );
+    wxCHECK_MSG( sm_providers, false, _T("no wxArtProvider exists") );
 
     if ( sm_providers->DeleteObject(provider) )
     {
         sm_cache->Clear();
-        return TRUE;
+        return true;
     }
-    
-    return FALSE;
+
+    return false;
+}
+
+/*static*/ bool wxArtProvider::Delete(wxArtProvider *provider)
+{
+    // provider will remove itself from the stack in its dtor
+    delete provider;
+
+    return true;
 }
 
 /*static*/ void wxArtProvider::CleanUpProviders()
 {
-    wxDELETE(sm_providers);
-    wxDELETE(sm_cache);
+    if ( sm_providers )
+    {
+        while ( !sm_providers->empty() )
+            delete *sm_providers->begin();
+
+        delete sm_providers;
+        sm_providers = NULL;
+
+        delete sm_cache;
+        sm_cache = NULL;
+    }
 }
 
-/*static*/ wxBitmap wxArtProvider::GetBitmap(const wxArtDomain& domain,
-                                             const wxArtID& id,
+// ----------------------------------------------------------------------------
+// wxArtProvider: retrieving bitmaps/icons
+// ----------------------------------------------------------------------------
+
+/*static*/ wxBitmap wxArtProvider::GetBitmap(const wxArtID& id,
+                                             const wxArtClient& client,
                                              const wxSize& size)
 {
+    // safety-check against writing client,id,size instead of id,client,size:
+    wxASSERT_MSG( client.Last() == _T('C'), _T("invalid 'client' parameter") );
+
     wxCHECK_MSG( sm_providers, wxNullBitmap, _T("no wxArtProvider exists") );
 
-    wxString hashId = wxArtProviderCache::ConstructHashID(domain, id, size);
+    wxString hashId = wxArtProviderCache::ConstructHashID(id, client, size);
 
     wxBitmap bmp;
     if ( !sm_cache->GetBitmap(hashId, &bmp) )
     {
-        for (wxArtProvidersList::Node *node = sm_providers->GetFirst();
+        for (wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
              node; node = node->GetNext())
         {
-            bmp = node->GetData()->CreateBitmap(domain, id, size);
+            bmp = node->GetData()->CreateBitmap(id, client, size);
             if ( bmp.Ok() )
+            {
+#if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
+                if ( size != wxDefaultSize &&
+                     (bmp.GetWidth() != size.x || bmp.GetHeight() != size.y) )
+                {
+                    wxImage img = bmp.ConvertToImage();
+                    img.Rescale(size.x, size.y);
+                    bmp = wxBitmap(img);
+                }
+#endif
                 break;
+            }
+            // We could try the IconBundles here and convert what we find
+            // to a bitmap.
         }
         sm_cache->PutBitmap(hashId, bmp);
-    }
+        }
 
     return bmp;
 }
 
-/*static*/ wxIcon wxArtProvider::GetIcon(const wxArtDomain& domain, 
-                                         const wxArtID& id,
+/*static*/ wxIconBundle wxArtProvider::GetIconBundle(const wxArtID& id, const wxArtClient& client)
+{
+    // safety-check against writing client,id,size instead of id,client,size:
+    wxASSERT_MSG( client.Last() == _T('C'), _T("invalid 'client' parameter") );
+
+    wxCHECK_MSG( sm_providers, wxNullIconBundle, _T("no wxArtProvider exists") );
+
+    wxString hashId = wxArtProviderCache::ConstructHashID(id, client);
+
+    wxIconBundle iconbundle;
+    if ( !sm_cache->GetIconBundle(hashId, &iconbundle) )
+    {
+        for (wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
+             node; node = node->GetNext())
+        {
+            iconbundle = node->GetData()->CreateIconBundle(id, client);
+            if ( iconbundle.IsOk() )
+                break;
+        }
+
+        sm_cache->PutIconBundle(hashId, iconbundle);
+    }
+
+    return iconbundle;
+}
+
+/*static*/ wxIcon wxArtProvider::GetIcon(const wxArtID& id,
+                                         const wxArtClient& client,
                                          const wxSize& size)
 {
     wxCHECK_MSG( sm_providers, wxNullIcon, _T("no wxArtProvider exists") );
 
-    wxBitmap bmp = GetBitmap(domain, id, size);
-    if ( bmp.Ok() )
+    // First look for an appropriate icon bundle - this will give us the best icon
+    wxIconBundle iconBundle = GetIconBundle(id, client);
+    if ( iconBundle.IsOk() )
+        return iconBundle.GetIcon(size);
+
+    // If there is no icon bundle then look for a bitmap
+    wxBitmap bmp = GetBitmap(id, client, size);
+    if ( !bmp.Ok() )
+        return wxNullIcon;
+
+    wxIcon icon;
+    icon.CopyFromBitmap(bmp);
+    return icon;
+}
+
+/* static */
+wxIcon wxArtProvider::GetMessageBoxIcon(int flags)
+{
+    wxIcon icon;
+    switch ( flags & wxICON_MASK )
     {
-        wxIcon icon;
-        icon.CopyFromBitmap(bmp);
-        return icon;
+        default:
+            wxFAIL_MSG(_T("incorrect message box icon flags"));
+            // fall through
+
+        case wxICON_ERROR:
+            icon = wxArtProvider::GetIcon(wxART_ERROR, wxART_MESSAGE_BOX);
+            break;
+
+        case wxICON_INFORMATION:
+            icon = wxArtProvider::GetIcon(wxART_INFORMATION, wxART_MESSAGE_BOX);
+            break;
+
+        case wxICON_WARNING:
+            icon = wxArtProvider::GetIcon(wxART_WARNING, wxART_MESSAGE_BOX);
+            break;
+
+        case wxICON_QUESTION:
+            icon = wxArtProvider::GetIcon(wxART_QUESTION, wxART_MESSAGE_BOX);
+            break;
     }
-    else
+
+    return icon;
+}
+
+/*static*/ wxSize wxArtProvider::GetSizeHint(const wxArtClient& client,
+                                         bool platform_dependent)
+{
+    if (!platform_dependent)
     {
-        return wxNullIcon;
+        wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
+        if (node)
+            return node->GetData()->DoGetSizeHint(client);
     }
+
+    return GetNativeSizeHint(client);
 }
 
+#ifndef wxHAS_NATIVE_ART_PROVIDER_IMPL
+/*static*/
+wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& WXUNUSED(client))
+{
+    // rather than returning some arbitrary value that doesn't make much
+    // sense (as 2.8 used to do), tell the caller that we don't have a clue:
+    return wxDefaultSize;
+}
 
+/*static*/
+void wxArtProvider::InitNativeProvider()
+{
+}
+#endif // !wxHAS_NATIVE_ART_PROVIDER_IMPL
+
+
+/* static */
+bool wxArtProvider::HasNativeProvider()
+{
+#ifdef __WXGTK20__
+    return true;
+#else
+    return false;
+#endif
+}
+
+// ----------------------------------------------------------------------------
+// deprecated wxArtProvider methods
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_6
+
+/* static */ void wxArtProvider::PushProvider(wxArtProvider *provider)
+{
+    Push(provider);
+}
+
+/* static */ void wxArtProvider::InsertProvider(wxArtProvider *provider)
+{
+    Insert(provider);
+}
+
+/* static */ bool wxArtProvider::PopProvider()
+{
+    return Pop();
+}
+
+/* static */ bool wxArtProvider::RemoveProvider(wxArtProvider *provider)
+{
+    // RemoveProvider() used to delete the provider being removed so this is
+    // not a typo, we must call Delete() and not Remove() here
+    return Delete(provider);
+}
+
+#endif // WXWIN_COMPATIBILITY_2_6
+
+#if WXWIN_COMPATIBILITY_2_8
+/* static */ void wxArtProvider::Insert(wxArtProvider *provider)
+{
+    PushBack(provider);
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+// ============================================================================
+// wxArtProviderModule
+// ============================================================================
 
 class wxArtProviderModule: public wxModule
 {
 public:
-    bool OnInit() { return TRUE; }
-    void OnExit() { wxArtProvider::CleanUpProviders(); }
+    bool OnInit()
+    {
+        wxArtProvider::InitStdProvider();
+        wxArtProvider::InitNativeProvider();
+        return true;
+    }
+    void OnExit()
+    {
+        wxArtProvider::CleanUpProviders();
+    }
 
     DECLARE_DYNAMIC_CLASS(wxArtProviderModule)
 };