avoid infinite recursion for richtooltops, (hopefully) fixes #15070

[wxWidgets.git] / interface / wx / iconbndl.h

diff --git a/interface/wx/iconbndl.h b/interface/wx/iconbndl.h
index 0b4335242a76d503afb57a313f2f918b9d78ad0c..c33009d0effd7724010c84f16a381f771e0f6754 100644 (file)
--- a/interface/wx/iconbndl.h
+++ b/interface/wx/iconbndl.h
@@ -3,7 +3,7 @@
 // Purpose:     interface of wxIconBundle
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /**
@@ -21,6 +21,28 @@
 class wxIconBundle : public wxGDIObject
 {
 public:
+    /**
+        The elements of this enum determine what happens if GetIcon() doesn't
+        find the icon of exactly the requested size.
+
+        @since 2.9.4
+     */
+    enum
+    {
+        /// Return invalid icon if exact size is not found.
+        FALLBACK_NONE = 0,
+
+        /// Return the icon of the system icon size if exact size is not found.
+        /// May be combined with other non-NONE enum elements to determine what
+        /// happens if the system icon size is not found neither.
+        FALLBACK_SYSTEM = 1,
+
+        /// Return the icon of closest larger size or, if there is no icon of
+        /// larger size in the bundle, the closest icon of smaller size.
+        FALLBACK_NEAREST_LARGER = 2
+    };
+
+
     /**
         Default ctor.
     */
@@ -29,7 +51,18 @@ public:
     /**
         Initializes the bundle with the icon(s) found in the file.
     */
-    wxIconBundle(const wxString& file, wxBitmapType type);
+    wxIconBundle(const wxString& file, wxBitmapType type = wxBITMAP_TYPE_ANY);
+
+    /**
+        Initializes the bundle with the icon(s) found in the stream.
+
+        Notice that the @a stream must be seekable, at least if it contains
+        more than one icon. The stream pointer is positioned after the last
+        icon read from the stream when this function returns.
+
+        @since 2.9.0
+    */
+    wxIconBundle(wxInputStream& stream, wxBitmapType type = wxBITMAP_TYPE_ANY);
 
     /**
         Initializes the bundle with a single icon.
@@ -47,11 +80,24 @@ public:
     virtual ~wxIconBundle();
 
     /**
-        Adds all the icons contained in the file to the bundle; if the collection
-        already contains icons with the same width and height, they are replaced
-        by the new ones.
+        Adds all the icons contained in the file to the bundle; if the
+        collection already contains icons with the same width and height, they
+        are replaced by the new ones.
+    */
+    void AddIcon(const wxString& file, wxBitmapType type = wxBITMAP_TYPE_ANY);
+
+    /**
+        Adds all the icons contained in the stream to the bundle; if the
+        collection already contains icons with the same width and height, they
+        are replaced by the new ones.
+
+        Notice that, as well as in the constructor loading the icon bundle from
+        stream, the @a stream must be seekable, at least if more than one icon
+        is to be loaded from it.
+
+        @since 2.9.0
     */
-    void AddIcon(const wxString& file, wxBitmapType type);
+    void AddIcon(wxInputStream& stream, wxBitmapType type = wxBITMAP_TYPE_ANY);
 
     /**
         Adds the icon to the collection; if the collection already
@@ -61,19 +107,31 @@ public:
     void AddIcon(const wxIcon& icon);
 
     /**
-        Returns the icon with the given size; if no such icon exists, returns
-        the icon with size @c wxSYS_ICON_X and @c wxSYS_ICON_Y; if no such icon
-        exists, returns the first icon in the bundle.
-
-        If size = wxDefaultSize, returns the icon with size @c wxSYS_ICON_X and
-        @c wxSYS_ICON_Y.
+        Returns the icon with the given size.
+
+        If @a size is ::wxDefaultSize, it is interpreted as the standard system
+        icon size, i.e. the size returned by wxSystemSettings::GetMetric() for
+        @c wxSYS_ICON_X and @c wxSYS_ICON_Y.
+
+        If the bundle contains an icon with exactly the requested size, it's
+        always returned. Otherwise, the behaviour depends on the flags. If only
+        ::FALLBACK_NONE is given, the function returns an invalid icon. If
+        ::FALLBACK_SYSTEM is given, it tries to find the icon of standard
+        system size, regardless of the size passed as parameter. Otherwise, or
+        if the icon system size is not found neither, but
+        ::FALLBACK_NEAREST_LARGER flag is specified, the function returns the
+        smallest icon of the size larger than the requested one or, if this
+        fails too, just the icon closest to the specified size.
+
+        The @a flags parameter is available only since wxWidgets 2.9.4.
     */
-    wxIcon GetIcon(const wxSize& size) const;
+    wxIcon GetIcon(const wxSize& size, int flags = FALLBACK_SYSTEM) const;
 
     /**
         Same as @code GetIcon( wxSize( size, size ) ) @endcode.
     */
-    const wxIcon  GetIcon(wxCoord size = -1) const;
+    wxIcon GetIcon(wxCoord size = wxDefaultCoord,
+                   int flags = FALLBACK_SYSTEM) const;
 
     /**
         Returns the icon with exactly the given size or ::wxNullIcon if this
@@ -81,6 +139,16 @@ public:
     */
     wxIcon GetIconOfExactSize(const wxSize& size) const;
 
+    /**
+       return the number of available icons
+    */
+    size_t GetIconCount() const;
+
+    /**
+       return the icon at index (must be < GetIconCount())
+    */
+    wxIcon GetIconByIndex(size_t n) const;
+
     /**
         Returns @true if the bundle doesn't contain any icons, @false otherwise
         (in which case a call to GetIcon() with default parameter should return
@@ -93,15 +161,6 @@ public:
     */
     wxIconBundle& operator=(const wxIconBundle& ic);
 
-    /**
-        Equality operator. This returns @true if two icon bundles are equal.
-    */
-    bool operator ==(const wxIconBundle& ic);
-
-    /**
-        Inequality operator. This returns true if two icon bundles are not equal.
-    */
-    bool operator !=(const wxIconBundle& ic);
 };