use image mask colour if any instead of guessing that (0, 0) is always transparent...

[wxWidgets.git] / src / common / artprov.cpp

diff --git a/src/common/artprov.cpp b/src/common/artprov.cpp
index 0b8018556ccb48e23c5c77b8839988f54ed46a68..4657066f9952b0232c05ea8401945b19bfb61009 100644 (file)
--- a/src/common/artprov.cpp
+++ b/src/common/artprov.cpp
@@ -203,6 +203,51 @@ wxArtProviderCache *wxArtProvider::sm_cache = NULL;
     return icon;
 }
 
+#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
+    #include <gtk/gtk.h>
+    extern GtkIconSize wxArtClientToIconSize(const wxArtClient& client);
+#endif // defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
+
+/*static*/ wxSize wxArtProvider::GetSizeHint(const wxArtClient& client,
+                                         bool platform_dependent)
+{
+    if (!platform_dependent)
+    {
+        wxArtProvidersList::compatibility_iterator node = sm_providers->GetFirst();
+        if (node)
+            return node->GetData()->DoGetSizeHint(client);
+    }
+
+        // else return platform dependent size
+
+#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
+    // Gtk has specific sizes for each client, see artgtk.cpp
+    GtkIconSize gtk_size = wxArtClientToIconSize(client);
+    // no size hints for this client
+    if (gtk_size == GTK_ICON_SIZE_INVALID)
+        return wxDefaultSize;
+    gint width, height;
+    gtk_icon_size_lookup( gtk_size, &width, &height);
+    return wxSize(width, height);
+#else // !GTK+ 2
+    // NB: These size hints may have to be adjusted per platform
+    if (client == wxART_TOOLBAR)
+        return wxSize(16, 15);
+    else if (client == wxART_MENU)
+        return wxSize(16, 15);
+    else if (client == wxART_FRAME_ICON)
+        return wxSize(16, 15);
+    else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX)
+        return wxSize(32, 32);
+    else if (client == wxART_HELP_BROWSER)
+        return wxSize(16, 15);
+    else if (client == wxART_BUTTON)
+        return wxSize(16, 15);
+    else // wxART_OTHER or perhaps a user's client, no specified size
+        return wxDefaultSize;      
+#endif // GTK+ 2/else
+}
+
 
 class wxArtProviderModule: public wxModule
 {