///////////////////////////////////////////////////////////////////////////// // Name: src/gtk/artgtk.cpp // Purpose: stock wxArtProvider instance with native GTK+ stock icons // Author: Vaclav Slavik // Modified by: // Created: 2004-08-22 // Copyright: (c) Vaclav Slavik, 2004 // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // --------------------------------------------------------------------------- // headers // --------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #if defined(__BORLANDC__) #pragma hdrstop #endif #include "wx/artprov.h" #include #include "wx/gtk/private.h" // compatibility with older GTK+ versions: #ifndef GTK_STOCK_FILE #define GTK_STOCK_FILE "gtk-file" #endif #ifndef GTK_STOCK_DIRECTORY #define GTK_STOCK_DIRECTORY "gtk-directory" #endif // ---------------------------------------------------------------------------- // wxGTK2ArtProvider // ---------------------------------------------------------------------------- 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() { PushBack(new wxGTK2ArtProvider); } // ---------------------------------------------------------------------------- // CreateBitmap routine // ---------------------------------------------------------------------------- namespace { wxString wxArtIDToStock(const wxArtID& id) { #define ART(wxid, gtkid) \ if (id == wxid) return gtkid; ART(wxART_ERROR, GTK_STOCK_DIALOG_ERROR) ART(wxART_INFORMATION, GTK_STOCK_DIALOG_INFO) ART(wxART_WARNING, GTK_STOCK_DIALOG_WARNING) ART(wxART_QUESTION, GTK_STOCK_DIALOG_QUESTION) //ART(wxART_HELP_SIDE_PANEL, ) ART(wxART_HELP_SETTINGS, GTK_STOCK_SELECT_FONT) //ART(wxART_HELP_BOOK, ) ART(wxART_HELP_FOLDER, GTK_STOCK_DIRECTORY) ART(wxART_HELP_PAGE, GTK_STOCK_FILE) ART(wxART_MISSING_IMAGE, GTK_STOCK_MISSING_IMAGE) ART(wxART_ADD_BOOKMARK, GTK_STOCK_ADD) ART(wxART_DEL_BOOKMARK, GTK_STOCK_REMOVE) ART(wxART_GO_BACK, GTK_STOCK_GO_BACK) ART(wxART_GO_FORWARD, GTK_STOCK_GO_FORWARD) ART(wxART_GO_UP, GTK_STOCK_GO_UP) 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) ART(wxART_TIP, GTK_STOCK_DIALOG_INFO) //ART(wxART_REPORT_VIEW, ) //ART(wxART_LIST_VIEW, ) //ART(wxART_NEW_DIR, ) ART(wxART_FOLDER, GTK_STOCK_DIRECTORY) ART(wxART_FOLDER_OPEN, GTK_STOCK_DIRECTORY) //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) ART(wxART_FLOPPY, GTK_STOCK_FLOPPY) ART(wxART_CDROM, GTK_STOCK_CDROM) ART(wxART_HARDDISK, GTK_STOCK_HARDDISK) ART(wxART_REMOVABLE, GTK_STOCK_HARDDISK) ART(wxART_FILE_SAVE, GTK_STOCK_SAVE) ART(wxART_FILE_SAVE_AS, GTK_STOCK_SAVE_AS) ART(wxART_COPY, GTK_STOCK_COPY) ART(wxART_CUT, GTK_STOCK_CUT) ART(wxART_PASTE, GTK_STOCK_PASTE) ART(wxART_DELETE, GTK_STOCK_DELETE) ART(wxART_NEW, GTK_STOCK_NEW) 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) #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 || client == wxART_FRAME_ICON) return GTK_ICON_SIZE_MENU; else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX) return GTK_ICON_SIZE_DIALOG; else if (client == wxART_BUTTON) return GTK_ICON_SIZE_BUTTON; else return GTK_ICON_SIZE_INVALID; // this is arbitrary } GtkIconSize FindClosestIconSize(const wxSize& size) { #define NUM_SIZES 6 static struct { GtkIconSize icon; gint x, y; } s_sizes[NUM_SIZES]; static bool s_sizesInitialized = false; if (!s_sizesInitialized) { s_sizes[0].icon = GTK_ICON_SIZE_MENU; s_sizes[1].icon = GTK_ICON_SIZE_SMALL_TOOLBAR; s_sizes[2].icon = GTK_ICON_SIZE_LARGE_TOOLBAR; s_sizes[3].icon = GTK_ICON_SIZE_BUTTON; s_sizes[4].icon = GTK_ICON_SIZE_DND; s_sizes[5].icon = GTK_ICON_SIZE_DIALOG; for (size_t i = 0; i < NUM_SIZES; i++) { gtk_icon_size_lookup(s_sizes[i].icon, &s_sizes[i].x, &s_sizes[i].y); } s_sizesInitialized = true; } GtkIconSize best = GTK_ICON_SIZE_DIALOG; // presumably largest unsigned distance = INT_MAX; for (size_t i = 0; i < NUM_SIZES; i++) { // only use larger bitmaps, scaling down looks better than scaling up: 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) + (size.y - s_sizes[i].y) * (size.y - s_sizes[i].y); if (dist == 0) return s_sizes[i].icon; else if (dist < distance) { distance = dist; best = s_sizes[i].icon; } } return best; } 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 // correct value can only be obtained for given GtkWidget object. // // Fool-proof implementation of stock bitmaps would extend wxBitmap // with "stock-id" representation (in addition to pixmap and pixbuf // ones) and would convert it to pixbuf when rendered. 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) return NULL; 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, 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 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 ) { GdkPixbuf *pixbuf = get_icon(stockid, *i); if ( !pixbuf ) continue; wxIcon icon; icon.CopyFromBitmap(wxBitmap(pixbuf)); bundle.AddIcon(icon); } return bundle; } } // anonymous namespace wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id, const wxArtClient& client, const wxSize& size) { 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; GdkPixbuf *pixbuf = CreateGtkIcon(stockid.utf8_str(), stocksize, size); if (pixbuf && size != wxDefaultSize && (size.x != gdk_pixbuf_get_width(pixbuf) || size.y != gdk_pixbuf_get_height(pixbuf))) { GdkPixbuf *p2 = gdk_pixbuf_scale_simple(pixbuf, size.x, size.y, GDK_INTERP_BILINEAR); if (p2) { g_object_unref (pixbuf); pixbuf = p2; } } 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; } // 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; } // ---------------------------------------------------------------------------- // wxArtProvider::GetNativeSizeHint() // ---------------------------------------------------------------------------- /*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); }