]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/artgtk.cpp
supporting native content scaling on OSX
[wxWidgets.git] / src / gtk / artgtk.cpp
index 7bc18ba46cf755936ba1d66261d3ca73ed1a7f60..b29c33dda5b1da86a8e5e2212e8cab09fcf25ccc 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        src/gtk/artstd.cpp
+// Name:        src/gtk/artgtk.cpp
 // Purpose:     stock wxArtProvider instance with native GTK+ stock icons
 // Author:      Vaclav Slavik
 // Modified by:
@@ -21,6 +21,8 @@
 #endif
 
 #include "wx/artprov.h"
+
+#include <gtk/gtk.h>
 #include "wx/gtk/private.h"
 
 // compatibility with older GTK+ versions:
@@ -41,11 +43,13 @@ 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()
 {
-    Push(new wxGTK2ArtProvider);
+    PushBack(new wxGTK2ArtProvider);
 }
 
 // ----------------------------------------------------------------------------
@@ -55,7 +59,7 @@ protected:
 namespace
 {
 
-const char *wxArtIDToStock(const wxArtID& id)
+wxString wxArtIDToStock(const wxArtID& id)
 {
     #define ART(wxid, gtkid) \
            if (id == wxid) return gtkid;
@@ -79,6 +83,8 @@ const char *wxArtIDToStock(const wxArtID& id)
     ART(wxART_GO_DOWN,                             GTK_STOCK_GO_DOWN)
     ART(wxART_GO_TO_PARENT,                        GTK_STOCK_GO_UP)
     ART(wxART_GO_HOME,                             GTK_STOCK_HOME)
+    ART(wxART_GOTO_FIRST,                          GTK_STOCK_GOTO_FIRST)
+    ART(wxART_GOTO_LAST,                           GTK_STOCK_GOTO_LAST)
     ART(wxART_FILE_OPEN,                           GTK_STOCK_OPEN)
     ART(wxART_PRINT,                               GTK_STOCK_PRINT)
     ART(wxART_HELP,                                GTK_STOCK_HELP)
@@ -111,21 +117,28 @@ const char *wxArtIDToStock(const wxArtID& id)
     ART(wxART_UNDO,                                GTK_STOCK_UNDO)
     ART(wxART_REDO,                                GTK_STOCK_REDO)
 
+    ART(wxART_PLUS,                                GTK_STOCK_ADD)
+    ART(wxART_MINUS,                               GTK_STOCK_REMOVE)
+
+    ART(wxART_CLOSE,                               GTK_STOCK_CLOSE)
     ART(wxART_QUIT,                                GTK_STOCK_QUIT)
 
     ART(wxART_FIND,                                GTK_STOCK_FIND)
     ART(wxART_FIND_AND_REPLACE,                    GTK_STOCK_FIND_AND_REPLACE)
 
-    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 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;
@@ -192,7 +205,16 @@ 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.
 
-    GtkStyle* style = wxGTKPrivate::GetButtonWidget()->style;
+    GtkWidget* widget = wxGTKPrivate::GetButtonWidget();
+#ifdef __WXGTK3__
+    GtkStyleContext* sc = gtk_widget_get_style_context(widget);
+    GtkIconSet* iconset = gtk_style_context_lookup_icon_set(sc, stockid);
+    GdkPixbuf* pixbuf = NULL;
+    if (iconset)
+        pixbuf = gtk_icon_set_render_icon_pixbuf(iconset, sc, size);
+    return pixbuf;
+#else
+    GtkStyle* style = gtk_widget_get_style(widget);
     GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid);
 
     if (!iconset)
@@ -201,22 +223,59 @@ GdkPixbuf *CreateStockIcon(const char *stockid, GtkIconSize size)
     return gtk_icon_set_render_icon(iconset, style,
                                     gtk_widget_get_default_direction(),
                                     GTK_STATE_NORMAL, size, NULL, NULL);
+#endif
 }
 
-GdkPixbuf *CreateThemeIcon(const char *iconname,
-                                  GtkIconSize iconsize, const wxSize& sz)
+GdkPixbuf *CreateThemeIcon(const char *iconname, int size)
+{
+    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)
+
 {
-    wxSize size(sz);
-    if (size == wxDefaultSize)
+    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.CopyFromBitmap(wxBitmap(pixbuf));
+        bundle.AddIcon(icon);
     }
 
-    return gtk_icon_theme_load_icon(
-                    gtk_icon_theme_get_default(),
-                    iconname,
-                    size.x,
-                    (GtkIconLookupFlags)0, NULL);
+    return bundle;
 }
 
 } // anonymous namespace
@@ -225,22 +284,16 @@ 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) ?
                                 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);
-    if (!pixbuf)
-        pixbuf = CreateThemeIcon(stockid, stocksize, size);
+    GdkPixbuf *pixbuf = CreateGtkIcon(stockid.utf8_str(), stocksize, size);
 
     if (pixbuf && size != wxDefaultSize &&
         (size.x != gdk_pixbuf_get_width(pixbuf) ||
@@ -255,11 +308,62 @@ wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id,
         }
     }
 
-    wxBitmap bmp;
-    if (pixbuf != NULL)
-        bmp.SetPixbuf(pixbuf);
+    return wxBitmap(pixbuf);
+}
+
+wxIconBundle
+wxGTK2ArtProvider::CreateIconBundle(const wxArtID& id,
+                                    const wxArtClient& WXUNUSED(client))
+{
+    wxIconBundle bundle;
+    const wxString stockid = wxArtIDToStock(id);
+
+    // try to load the bundle as stock icon first
+    GtkWidget* widget = wxGTKPrivate::GetButtonWidget();
+#ifdef __WXGTK3__
+    GtkStyleContext* sc = gtk_widget_get_style_context(widget);
+    GtkIconSet* iconset = gtk_style_context_lookup_icon_set(sc, stockid.utf8_str());
+#else
+    GtkStyle* style = gtk_widget_get_style(widget);
+    GtkIconSet* iconset = gtk_style_lookup_icon_set(style, stockid.utf8_str());
+#endif
+    if ( iconset )
+    {
+        GtkIconSize *sizes;
+        gint n_sizes;
+        gtk_icon_set_get_sizes(iconset, &sizes, &n_sizes);
+        bundle = DoCreateIconBundle
+                              (
+                                  stockid.utf8_str(),
+                                  sizes, sizes + n_sizes,
+                                  &CreateStockIcon
+                              );
+        g_free(sizes);
+        return bundle;
+    }
 
-    return bmp;
+    // otherwise try icon themes
+    gint *sizes = gtk_icon_theme_get_icon_sizes
+                  (
+                      gtk_icon_theme_get_default(),
+                      stockid.utf8_str()
+                  );
+    if ( !sizes )
+        return bundle;
+
+    gint *last = sizes;
+    while ( *last )
+        last++;
+
+    bundle = DoCreateIconBundle
+                          (
+                              stockid.utf8_str(),
+                              sizes, last,
+                              &CreateThemeIcon
+                          );
+    g_free(sizes);
+
+    return bundle;
 }
 
 // ----------------------------------------------------------------------------