]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/artgtk.cpp
use proper signature for callback function
[wxWidgets.git] / src / gtk / artgtk.cpp
index c31b1c8c8e169de986459500413b56107b4ac12b..db029ddb178810e50a71a035722137ed590531fe 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        artstd.cpp
+// Name:        src/gtk/artstd.cpp
 // Purpose:     stock wxArtProvider instance with native GTK+ stock icons
 // Author:      Vaclav Slavik
 // Modified by:
     #pragma hdrstop
 #endif
 
-#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
-
 #include "wx/artprov.h"
-#include "wx/module.h"
 #include "wx/gtk/private.h"
 
-#include <gtk/gtk.h>
-
 // compatibility with older GTK+ versions:
 #ifndef GTK_STOCK_FILE
     #define GTK_STOCK_FILE "gtk-file"
@@ -46,18 +41,23 @@ class wxGTK2ArtProvider : public wxArtProvider
 protected:
     virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client,
                                   const wxSize& size);
+    virtual wxIconBundle CreateIconBundle(const wxArtID& id,
+                                          const wxArtClient& client);
 };
 
 /*static*/ void wxArtProvider::InitNativeProvider()
 {
-    wxArtProvider::PushProvider(new wxGTK2ArtProvider);
+    Push(new wxGTK2ArtProvider);
 }
 
 // ----------------------------------------------------------------------------
 // CreateBitmap routine
 // ----------------------------------------------------------------------------
 
-static const char *wxArtIDToStock(const wxArtID& id)
+namespace
+{
+
+wxString wxArtIDToStock(const wxArtID& id)
 {
     #define ART(wxid, gtkid) \
            if (id == wxid) return gtkid;
@@ -88,17 +88,14 @@ static const char *wxArtIDToStock(const wxArtID& id)
     //ART(wxART_REPORT_VIEW,                         )
     //ART(wxART_LIST_VIEW,                           )
     //ART(wxART_NEW_DIR,                             )
-#ifdef __WXGTK24__
     ART(wxART_FOLDER,                              GTK_STOCK_DIRECTORY)
     ART(wxART_FOLDER_OPEN,                         GTK_STOCK_DIRECTORY)
-#endif
     //ART(wxART_GO_DIR_UP,                           )
     ART(wxART_EXECUTABLE_FILE,                     GTK_STOCK_EXECUTE)
     ART(wxART_NORMAL_FILE,                         GTK_STOCK_FILE)
     ART(wxART_TICK_MARK,                           GTK_STOCK_APPLY)
     ART(wxART_CROSS_MARK,                          GTK_STOCK_CANCEL)
 
-#ifdef __WXGTK24__
     ART(wxART_FLOPPY,                              GTK_STOCK_FLOPPY)
     ART(wxART_CDROM,                               GTK_STOCK_CDROM)
     ART(wxART_HARDDISK,                            GTK_STOCK_HARDDISK)
@@ -120,18 +117,20 @@ static const char *wxArtIDToStock(const wxArtID& id)
 
     ART(wxART_FIND,                                GTK_STOCK_FIND)
     ART(wxART_FIND_AND_REPLACE,                    GTK_STOCK_FIND_AND_REPLACE)
-#endif
-
-    return NULL;
 
     #undef ART
+
+    // allow passing GTK+ stock IDs to wxArtProvider -- if a recognized wx
+    // ID wasn't found, pass it to GTK+ in the hope it is a GTK+ or theme
+    // icon name:
+    return id;
 }
 
-GtkIconSize wxArtClientToIconSize(const wxArtClient& client)
+GtkIconSize ArtClientToIconSize(const wxArtClient& client)
 {
     if (client == wxART_TOOLBAR)
         return GTK_ICON_SIZE_LARGE_TOOLBAR;
-    else if (client == wxART_MENU)
+    else if (client == wxART_MENU || client == wxART_FRAME_ICON)
         return GTK_ICON_SIZE_MENU;
     else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX)
         return GTK_ICON_SIZE_DIALOG;
@@ -141,7 +140,7 @@ GtkIconSize wxArtClientToIconSize(const wxArtClient& client)
         return GTK_ICON_SIZE_INVALID; // this is arbitrary
 }
 
-static GtkIconSize FindClosestIconSize(const wxSize& size)
+GtkIconSize FindClosestIconSize(const wxSize& size)
 {
     #define NUM_SIZES 6
     static struct
@@ -175,7 +174,7 @@ static GtkIconSize FindClosestIconSize(const wxSize& size)
         if (size.x > s_sizes[i].x || size.y > s_sizes[i].y)
             continue;
 
-        unsigned dist = (size.x - s_sizes[i].x) * (size.x - s_sizes[i].x) + 
+        unsigned dist = (size.x - s_sizes[i].x) * (size.x - s_sizes[i].x) +
                         (size.y - s_sizes[i].y) * (size.y - s_sizes[i].y);
         if (dist == 0)
             return s_sizes[i].icon;
@@ -188,10 +187,7 @@ static GtkIconSize FindClosestIconSize(const wxSize& size)
     return best;
 }
 
-
-static GtkStyle *gs_gtkStyle = NULL;
-
-static GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size)
+GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size)
 {
     // FIXME: This code is not 100% correct, because stock pixmap are
     //        context-dependent and may be affected by theme engine, the
@@ -201,69 +197,85 @@ static GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size)
     //        with "stock-id" representation (in addition to pixmap and pixbuf
     //        ones) and would convert it to pixbuf when rendered.
 
-    if (gs_gtkStyle == NULL)
-    {
-        GtkWidget *widget = gtk_button_new();
-        gs_gtkStyle = gtk_rc_get_style(widget);
-        wxASSERT( gs_gtkStyle != NULL );
-        g_object_ref(G_OBJECT(gs_gtkStyle));
-        gtk_widget_destroy(widget);
-    }
-
-    GtkIconSet *iconset = gtk_style_lookup_icon_set(gs_gtkStyle, stockid);
+    GtkStyle* style = wxGTKPrivate::GetButtonWidget()->style;
+    GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid);
 
     if (!iconset)
         return NULL;
 
-    return gtk_icon_set_render_icon(iconset, gs_gtkStyle,
+    return gtk_icon_set_render_icon(iconset, style,
                                     gtk_widget_get_default_direction(),
                                     GTK_STATE_NORMAL, size, NULL, NULL);
 }
 
-#ifdef __WXGTK24__
-static GdkPixbuf *CreateThemeIcon(const char *iconname,
-                                  GtkIconSize iconsize, const wxSize& sz)
+GdkPixbuf *CreateThemeIcon(const char *iconname, int size)
 {
-    wxSize size(sz);
-    if (size == wxDefaultSize)
+    return gtk_icon_theme_load_icon
+           (
+               gtk_icon_theme_get_default(),
+               iconname,
+               size,
+               (GtkIconLookupFlags)0,
+               NULL
+           );
+}
+
+
+// creates either stock or theme icon
+GdkPixbuf *CreateGtkIcon(const char *icon_name,
+                         GtkIconSize stock_size, const wxSize& pixel_size)
+{
+    // try stock GTK+ icon first
+    GdkPixbuf *pixbuf = CreateStockIcon(icon_name, stock_size);
+    if ( pixbuf )
+        return pixbuf;
+
+    // if that fails, try theme icon
+    wxSize size(pixel_size);
+    if ( pixel_size == wxDefaultSize )
+        gtk_icon_size_lookup(stock_size, &size.x, &size.y);
+    return CreateThemeIcon(icon_name, size.x);
+}
+
+template<typename SizeType, typename LoaderFunc>
+wxIconBundle DoCreateIconBundle(const char *stockid,
+                                const SizeType *sizes_from,
+                                const SizeType *sizes_to,
+                                LoaderFunc get_icon)
+
+{
+    wxIconBundle bundle;
+
+    for ( const SizeType *i = sizes_from; i != sizes_to; ++i )
     {
-        gtk_icon_size_lookup(iconsize, &size.x, &size.y);
+        GdkPixbuf *pixbuf = get_icon(stockid, *i);
+        if ( !pixbuf )
+            continue;
+
+        wxIcon icon;
+        icon.SetPixbuf(pixbuf);
+        bundle.AddIcon(icon);
     }
 
-    return gtk_icon_theme_load_icon(
-                    gtk_icon_theme_get_default(),
-                    iconname,
-                    size.x,
-                    (GtkIconLookupFlags)0, NULL);
+    return bundle;
 }
-#endif
+
+} // anonymous namespace
 
 wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id,
                                          const wxArtClient& client,
                                          const wxSize& size)
 {
-    wxCharBuffer stockid = wxArtIDToStock(id);
+    const wxString stockid = wxArtIDToStock(id);
+
     GtkIconSize stocksize = (size == wxDefaultSize) ?
-                                wxArtClientToIconSize(client) :
+                                ArtClientToIconSize(client) :
                                 FindClosestIconSize(size);
-
     // we must have some size, this is arbitrary
     if (stocksize == GTK_ICON_SIZE_INVALID)
         stocksize = GTK_ICON_SIZE_BUTTON;
 
-    // allow passing GTK+ stock IDs to wxArtProvider:
-    if (!stockid)
-        stockid = id.ToAscii();
-
-    GdkPixbuf *pixbuf = CreateStockIcon(stockid, stocksize);
-
-#ifdef __WXGTK24__
-    if (!gtk_check_version(2,4,0))
-    {
-        if (!pixbuf)
-            pixbuf = CreateThemeIcon(stockid, stocksize, size);
-    }
-#endif
+    GdkPixbuf *pixbuf = CreateGtkIcon(stockid.utf8_str(), stocksize, size);
 
     if (pixbuf && size != wxDefaultSize &&
         (size.x != gdk_pixbuf_get_width(pixbuf) ||
@@ -273,42 +285,85 @@ wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id,
                                                 GDK_INTERP_BILINEAR);
         if (p2)
         {
-            g_object_unref (G_OBJECT (pixbuf));
+            g_object_unref (pixbuf);
             pixbuf = p2;
         }
     }
 
-    if (!pixbuf)
-        return wxNullBitmap;
-
     wxBitmap bmp;
-    bmp.SetWidth(gdk_pixbuf_get_width(pixbuf));
-    bmp.SetHeight(gdk_pixbuf_get_height(pixbuf));
-    bmp.SetPixbuf(pixbuf);
+    if (pixbuf != NULL)
+        bmp.SetPixbuf(pixbuf);
 
     return bmp;
 }
 
-// ----------------------------------------------------------------------------
-// Cleanup
-// ----------------------------------------------------------------------------
-
-class wxArtGtkModule: public wxModule
+wxIconBundle
+wxGTK2ArtProvider::CreateIconBundle(const wxArtID& id,
+                                    const wxArtClient& WXUNUSED(client))
 {
-public:
-    bool OnInit() { return true; }
-    void OnExit()
+    const wxString stockid = wxArtIDToStock(id);
+
+    // try to load the bundle as stock icon first
+    GtkStyle* style = wxGTKPrivate::GetButtonWidget()->style;
+    GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid.utf8_str());
+    if ( iconset )
     {
-        if (gs_gtkStyle)
-        {
-            g_object_unref(G_OBJECT(gs_gtkStyle));
-            gs_gtkStyle = NULL;
-        }
+        GtkIconSize *sizes;
+        gint n_sizes;
+        gtk_icon_set_get_sizes(iconset, &sizes, &n_sizes);
+        wxIconBundle bundle = DoCreateIconBundle
+                              (
+                                  stockid.utf8_str(),
+                                  sizes, sizes + n_sizes,
+                                  &CreateStockIcon
+                              );
+        g_free(sizes);
+        return bundle;
     }
 
-    DECLARE_DYNAMIC_CLASS(wxArtGtkModule)
-};
+    // otherwise try icon themes
+#ifdef __WXGTK26__
+    if ( !gtk_check_version(2,6,0) )
+    {
+        gint *sizes = gtk_icon_theme_get_icon_sizes
+                      (
+                          gtk_icon_theme_get_default(),
+                          stockid.utf8_str()
+                      );
+        if ( !sizes )
+            return wxNullIconBundle;
+
+        gint *last = sizes;
+        while ( *last )
+            last++;
+
+        wxIconBundle bundle = DoCreateIconBundle
+                              (
+                                  stockid.utf8_str(),
+                                  sizes, last,
+                                  &CreateThemeIcon
+                              );
+        g_free(sizes);
+        return bundle;
+    }
+#endif // __WXGTK26__
 
-IMPLEMENT_DYNAMIC_CLASS(wxArtGtkModule, wxModule)
+    return wxNullIconBundle;
+}
+
+// ----------------------------------------------------------------------------
+// wxArtProvider::GetNativeSizeHint()
+// ----------------------------------------------------------------------------
 
-#endif // defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
+/*static*/
+wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& client)
+{
+    // Gtk has specific sizes for each client, see artgtk.cpp
+    GtkIconSize gtk_size = ArtClientToIconSize(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);
+}