forked from AuroraMiddleware/gtk
517 lines
15 KiB
C
517 lines
15 KiB
C
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/* Stock Item/Icon Browser
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*
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* This source code for this demo doesn't demonstrate anything
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* particularly useful in applications, it just lets you scan the
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* available stock icons and stock items.
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*/
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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typedef struct _StockItemInfo StockItemInfo;
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struct _StockItemInfo
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{
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gchar *id;
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GtkStockItem item;
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GdkPixbuf *small_icon;
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gchar *macro;
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gchar *accel_str;
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};
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/* Make StockItemInfo a boxed type so we can automatically
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* manage memory
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*/
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#define STOCK_ITEM_INFO_TYPE stock_item_info_get_type ()
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static void
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stock_item_info_free (StockItemInfo *info)
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{
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g_free (info->id);
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g_free (info->macro);
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g_free (info->accel_str);
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if (info->small_icon)
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g_object_unref (G_OBJECT (info->small_icon));
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g_free (info);
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}
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static StockItemInfo*
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stock_item_info_copy (StockItemInfo *src)
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{
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StockItemInfo *info;
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info = g_new (StockItemInfo, 1);
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info->id = g_strdup (src->id);
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info->macro = g_strdup (src->macro);
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info->accel_str = g_strdup (src->accel_str);
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info->item = src->item;
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info->small_icon = src->small_icon;
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if (info->small_icon)
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g_object_ref (G_OBJECT (info->small_icon));
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return info;
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}
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static GType
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stock_item_info_get_type (void)
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{
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static GType our_type = 0;
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if (our_type == 0)
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our_type = g_boxed_type_register_static ("StockItemInfo",
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NULL,
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(GBoxedCopyFunc) stock_item_info_copy,
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(GBoxedFreeFunc) stock_item_info_free,
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FALSE);
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return our_type;
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}
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typedef struct _StockItemDisplay StockItemDisplay;
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struct _StockItemDisplay
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{
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GtkWidget *type_label;
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GtkWidget *macro_label;
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GtkWidget *id_label;
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GtkWidget *label_accel_label;
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GtkWidget *icon_image;
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};
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/* columns in the tree model */
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enum {
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COLUMN_ICON_MACRO,
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COLUMN_LABEL,
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COLUMN_ACCEL,
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COLUMN_ID
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};
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static gchar*
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id_to_macro (const gchar *id)
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{
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GString *macro;
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const gchar *cp;
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gchar *p;
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/* gtk-foo -> GTK_STOCK_FOO */
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cp = id;
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while (*cp && *cp != '-')
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++cp;
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if (*cp == '\0')
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return g_strdup ("??UNKNOWN??");
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macro = g_string_new (NULL);
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g_string_append_len (macro, id, cp - id);
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g_string_append (macro, "_STOCK");
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g_string_append (macro, cp);
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p = macro->str;
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while (*p)
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{
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if (*p == '-')
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*p = '_';
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++p;
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}
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g_strup (macro->str);
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return g_string_free (macro, FALSE);
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}
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static GtkTreeModel*
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create_model (void)
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{
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GtkListStore *store;
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GSList *ids;
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GSList *tmp_list;
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store = gtk_list_store_new_with_types (1, STOCK_ITEM_INFO_TYPE);
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ids = gtk_stock_list_ids ();
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tmp_list = ids;
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while (tmp_list != NULL)
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{
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StockItemInfo info;
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GtkStockItem item;
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GtkTreeIter iter;
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GtkIconSet *icon_set;
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info.id = tmp_list->data;
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if (gtk_stock_lookup (info.id, &item))
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{
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info.item = item;
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}
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else
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{
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info.item.label = NULL;
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info.item.stock_id = NULL;
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info.item.modifier = 0;
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info.item.keyval = 0;
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info.item.translation_domain = NULL;
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}
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/* only show icons for stock IDs that have default icons */
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icon_set = gtk_icon_factory_lookup_default (info.id);
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if (icon_set)
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{
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GtkIconSize *sizes = NULL;
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gint n_sizes = 0;
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gint i;
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GtkIconSize size;
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/* See what sizes this stock icon really exists at */
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gtk_icon_set_get_sizes (icon_set, &sizes, &n_sizes);
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/* Use menu size if it exists, otherwise first size found */
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size = sizes[0];
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i = 0;
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while (i < n_sizes)
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{
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if (sizes[i] == GTK_ICON_SIZE_MENU)
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{
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size = GTK_ICON_SIZE_MENU;
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break;
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}
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++i;
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}
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g_free (sizes);
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info.small_icon = gtk_widget_render_icon (window, info.id,
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size,
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NULL);
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if (size != GTK_ICON_SIZE_MENU)
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{
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/* Make the result the proper size for our thumbnail */
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gint w, h;
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GdkPixbuf *scaled;
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gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &w, &h);
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scaled = gdk_pixbuf_scale_simple (info.small_icon,
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w, h,
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GDK_INTERP_BILINEAR);
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g_object_unref (G_OBJECT (info.small_icon));
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info.small_icon = scaled;
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}
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}
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else
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info.small_icon = NULL;
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if (info.item.keyval != 0)
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{
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info.accel_str = gtk_accelerator_name (info.item.keyval,
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info.item.modifier);
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}
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else
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{
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info.accel_str = g_strdup ("");
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}
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info.macro = id_to_macro (info.id);
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, &info, -1);
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g_free (info.macro);
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g_free (info.accel_str);
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if (info.small_icon)
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g_object_unref (G_OBJECT (info.small_icon));
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tmp_list = g_slist_next (tmp_list);
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}
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g_slist_foreach (ids, (GFunc)g_free, NULL);
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g_slist_free (ids);
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return GTK_TREE_MODEL (store);
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}
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static void
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selection_changed (GtkTreeSelection *selection)
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{
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GtkTreeView *treeview;
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StockItemDisplay *display;
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GtkTreeModel *model;
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GtkTreeIter iter;
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treeview = gtk_tree_selection_get_tree_view (selection);
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display = g_object_get_data (G_OBJECT (treeview), "stock-display");
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if (gtk_tree_selection_get_selected (selection, &model, &iter))
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{
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StockItemInfo *info;
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gchar *str;
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gtk_tree_model_get (model, &iter,
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0, &info,
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-1);
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if (info->small_icon && info->item.label)
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gtk_label_set_text (GTK_LABEL (display->type_label), "Icon and Item");
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else if (info->small_icon)
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gtk_label_set_text (GTK_LABEL (display->type_label), "Icon Only");
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else if (info->item.label)
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gtk_label_set_text (GTK_LABEL (display->type_label), "Item Only");
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else
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gtk_label_set_text (GTK_LABEL (display->type_label), "???????");
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gtk_label_set_text (GTK_LABEL (display->macro_label), info->macro);
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gtk_label_set_text (GTK_LABEL (display->id_label), info->id);
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if (info->item.label)
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{
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str = g_strdup_printf ("%s %s", info->item.label, info->accel_str);
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gtk_label_set_text_with_mnemonic (GTK_LABEL (display->label_accel_label), str);
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g_free (str);
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}
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else
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{
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gtk_label_set_text (GTK_LABEL (display->label_accel_label), "");
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}
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/* The problem here is that some icons don't have SIZE_LARGE_TOOLBAR,
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* so we get a "missing image" icon...
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*/
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if (info->small_icon)
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gtk_image_set_from_stock (GTK_IMAGE (display->icon_image), info->id,
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GTK_ICON_SIZE_LARGE_TOOLBAR);
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else
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gtk_image_set_from_pixbuf (GTK_IMAGE (display->icon_image), NULL);
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stock_item_info_free (info);
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}
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else
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{
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gtk_label_set_text (GTK_LABEL (display->type_label), "No selected item");
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gtk_label_set_text (GTK_LABEL (display->macro_label), "");
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gtk_label_set_text (GTK_LABEL (display->id_label), "");
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gtk_label_set_text (GTK_LABEL (display->label_accel_label), "");
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gtk_image_set_from_pixbuf (GTK_IMAGE (display->icon_image), NULL);
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}
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}
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static void
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macro_set_func (GtkTreeViewColumn *tree_column,
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GtkCellRenderer *cell,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data)
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{
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StockItemInfo *info;
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gtk_tree_model_get (model, iter,
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0, &info,
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-1);
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g_object_set (GTK_CELL_RENDERER (cell),
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"text", info->macro,
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"pixbuf", info->small_icon,
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NULL);
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stock_item_info_free (info);
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}
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static void
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id_set_func (GtkTreeViewColumn *tree_column,
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GtkCellRenderer *cell,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data)
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{
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StockItemInfo *info;
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gtk_tree_model_get (model, iter,
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0, &info,
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-1);
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g_object_set (GTK_CELL_RENDERER (cell),
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"text", info->id,
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NULL);
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stock_item_info_free (info);
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}
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static void
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accel_set_func (GtkTreeViewColumn *tree_column,
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GtkCellRenderer *cell,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data)
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{
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StockItemInfo *info;
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gtk_tree_model_get (model, iter,
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0, &info,
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-1);
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g_object_set (GTK_CELL_RENDERER (cell),
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"text", info->accel_str,
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NULL);
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stock_item_info_free (info);
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}
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static void
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label_set_func (GtkTreeViewColumn *tree_column,
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GtkCellRenderer *cell,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data)
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{
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StockItemInfo *info;
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gtk_tree_model_get (model, iter,
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0, &info,
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-1);
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g_object_set (GTK_CELL_RENDERER (cell),
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"text", info->item.label,
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NULL);
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stock_item_info_free (info);
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}
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GtkWidget *
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do_stock_browser (void)
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{
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if (!window)
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{
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GtkWidget *frame;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *sw;
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GtkWidget *treeview;
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GtkWidget *align;
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GtkTreeModel *model;
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GtkCellRenderer *cell_renderer;
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StockItemDisplay *display;
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GtkTreeSelection *selection;
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Stock Icons and Items");
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|
||
|
|
gtk_signal_connect (GTK_OBJECT (window), "destroy", GTK_SIGNAL_FUNC (gtk_widget_destroyed), &window);
|
||
|
|
gtk_container_set_border_width (GTK_CONTAINER (window), 8);
|
||
|
|
|
||
|
|
hbox = gtk_hbox_new (FALSE, 8);
|
||
|
|
gtk_container_add (GTK_CONTAINER (window), hbox);
|
||
|
|
|
||
|
|
sw = gtk_scrolled_window_new (NULL, NULL);
|
||
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
|
||
|
|
GTK_POLICY_NEVER,
|
||
|
|
GTK_POLICY_AUTOMATIC);
|
||
|
|
gtk_box_pack_start (GTK_BOX (hbox), sw, FALSE, FALSE, 0);
|
||
|
|
|
||
|
|
model = create_model ();
|
||
|
|
|
||
|
|
treeview = gtk_tree_view_new_with_model (model);
|
||
|
|
|
||
|
|
g_object_unref (G_OBJECT (model));
|
||
|
|
|
||
|
|
gtk_container_add (GTK_CONTAINER (sw), treeview);
|
||
|
|
|
||
|
|
cell_renderer = gtk_cell_renderer_text_pixbuf_new ();
|
||
|
|
|
||
|
|
gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview),
|
||
|
|
-1,
|
||
|
|
"Macro",
|
||
|
|
cell_renderer,
|
||
|
|
macro_set_func,
|
||
|
|
NULL,
|
||
|
|
NULL);
|
||
|
|
g_object_unref (G_OBJECT (cell_renderer));
|
||
|
|
|
||
|
|
cell_renderer = gtk_cell_renderer_text_new ();
|
||
|
|
|
||
|
|
gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview),
|
||
|
|
-1,
|
||
|
|
"Label",
|
||
|
|
cell_renderer,
|
||
|
|
label_set_func,
|
||
|
|
NULL,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview),
|
||
|
|
-1,
|
||
|
|
"Accel",
|
||
|
|
cell_renderer,
|
||
|
|
accel_set_func,
|
||
|
|
NULL,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
gtk_tree_view_insert_column_with_data_func (GTK_TREE_VIEW (treeview),
|
||
|
|
-1,
|
||
|
|
"ID",
|
||
|
|
cell_renderer,
|
||
|
|
id_set_func,
|
||
|
|
NULL,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
g_object_unref (G_OBJECT (cell_renderer));
|
||
|
|
|
||
|
|
align = gtk_alignment_new (0.5, 0.0, 0.0, 0.0);
|
||
|
|
gtk_box_pack_end (GTK_BOX (hbox), align, FALSE, FALSE, 0);
|
||
|
|
|
||
|
|
frame = gtk_frame_new ("Selected Item");
|
||
|
|
gtk_container_add (GTK_CONTAINER (align), frame);
|
||
|
|
|
||
|
|
vbox = gtk_vbox_new (FALSE, 8);
|
||
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
|
||
|
|
gtk_container_add (GTK_CONTAINER (frame), vbox);
|
||
|
|
|
||
|
|
display = g_new (StockItemDisplay, 1);
|
||
|
|
g_object_set_data_full (G_OBJECT (treeview),
|
||
|
|
"stock-display",
|
||
|
|
display,
|
||
|
|
g_free); /* free display with treeview */
|
||
|
|
|
||
|
|
display->type_label = gtk_label_new (NULL);
|
||
|
|
display->macro_label = gtk_label_new (NULL);
|
||
|
|
display->id_label = gtk_label_new (NULL);
|
||
|
|
display->label_accel_label = gtk_label_new (NULL);
|
||
|
|
display->icon_image = gtk_image_new_from_pixbuf (NULL); /* empty image */
|
||
|
|
|
||
|
|
gtk_box_pack_start (GTK_BOX (vbox), display->type_label,
|
||
|
|
FALSE, FALSE, 0);
|
||
|
|
|
||
|
|
gtk_box_pack_start (GTK_BOX (vbox), display->icon_image,
|
||
|
|
FALSE, FALSE, 0);
|
||
|
|
|
||
|
|
gtk_box_pack_start (GTK_BOX (vbox), display->label_accel_label,
|
||
|
|
FALSE, FALSE, 0);
|
||
|
|
gtk_box_pack_start (GTK_BOX (vbox), display->macro_label,
|
||
|
|
FALSE, FALSE, 0);
|
||
|
|
gtk_box_pack_start (GTK_BOX (vbox), display->id_label,
|
||
|
|
FALSE, FALSE, 0);
|
||
|
|
|
||
|
|
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
|
||
|
|
gtk_tree_selection_set_mode (selection, GTK_TREE_SELECTION_SINGLE);
|
||
|
|
|
||
|
|
g_signal_connect_data (G_OBJECT (selection),
|
||
|
|
"selection_changed",
|
||
|
|
G_CALLBACK (selection_changed),
|
||
|
|
NULL, NULL, FALSE, FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!GTK_WIDGET_VISIBLE (window))
|
||
|
|
{
|
||
|
|
gtk_widget_show_all (window);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
gtk_widget_destroy (window);
|
||
|
|
window = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return window;
|
||
|
|
}
|