forked from AuroraMiddleware/gtk
iconbrowser: Port to GtkDragSource
This commit is contained in:
Matthias Clasen
parent
5ad4b75ae2
commit
993d6388ee
@ -5,9 +5,6 @@
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#include <gtk/gtk.h>
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/* Drag 'n Drop */
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static const char *target_table[] = {
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"text/uri-list"
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};
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typedef struct
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{
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@ -76,30 +73,11 @@ search_text_changed (GtkEntry *entry, IconBrowserWindow *win)
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gtk_tree_model_filter_refilter (win->filter_model);
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}
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static GdkPixbuf *
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get_icon (GtkWidget *image, const gchar *name, gint size)
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{
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GtkIconInfo *info;
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GtkStyleContext *context;
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GdkTexture *texture;
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GdkPixbuf *pixbuf;
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context = gtk_widget_get_style_context (image);
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info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (), name, size, 0);
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texture = GDK_TEXTURE (gtk_icon_info_load_symbolic_for_context (info, context, NULL, NULL));
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pixbuf = gdk_pixbuf_get_from_texture (texture);
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g_object_unref (texture);
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g_object_unref (info);
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return pixbuf;
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}
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static void
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set_image (GtkWidget *image, const gchar *name, gint size)
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{
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gtk_image_set_from_icon_name (GTK_IMAGE (image), name);
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gtk_image_set_pixel_size (GTK_IMAGE (image), size);
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gtk_drag_source_set_icon_name (image, name);
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}
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static void
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@ -365,78 +343,104 @@ search_mode_toggled (GObject *searchbar, GParamSpec *pspec, IconBrowserWindow *w
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gtk_list_box_unselect_all (GTK_LIST_BOX (win->context_list));
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}
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static void
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get_image_data (GtkWidget *widget,
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GdkDrag *drag,
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GtkSelectionData *selection,
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guint target_info,
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gpointer data)
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static GdkPaintable *
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get_image_paintable (GtkImage *image)
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{
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GtkWidget *image;
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const gchar *name;
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gint size;
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GdkPixbuf *pixbuf;
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const gchar *icon_name;
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GtkIconTheme *icon_theme;
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GtkIconInfo *icon_info;
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int size;
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image = gtk_bin_get_child (GTK_BIN (widget));
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name = gtk_image_get_icon_name (GTK_IMAGE (image));
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size = gtk_image_get_pixel_size (GTK_IMAGE (image));
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pixbuf = get_icon (image, name, size);
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gtk_selection_data_set_pixbuf (selection, pixbuf);
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g_object_unref (pixbuf);
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switch (gtk_image_get_storage_type (image))
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{
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case GTK_IMAGE_PAINTABLE:
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return g_object_ref (gtk_image_get_paintable (image));
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case GTK_IMAGE_ICON_NAME:
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icon_name = gtk_image_get_icon_name (image);
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size = gtk_image_get_pixel_size (image);
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icon_theme = gtk_icon_theme_get_for_display (gtk_widget_get_display (GTK_WIDGET (image)));
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icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size,
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GTK_ICON_LOOKUP_FORCE_SIZE | GTK_ICON_LOOKUP_GENERIC_FALLBACK);
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if (icon_info == NULL)
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return NULL;
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return gtk_icon_info_load_icon (icon_info, NULL);
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default:
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g_warning ("Image storage type %d not handled",
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gtk_image_get_storage_type (image));
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return NULL;
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}
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}
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static void
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get_scalable_image_data (GtkWidget *widget,
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GdkDrag *drag,
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GtkSelectionData *selection,
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guint target_info,
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gpointer data)
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drag_begin (GtkDragSource *source,
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GtkWidget *widget)
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{
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gchar *uris[2];
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GtkIconInfo *info;
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GtkWidget *image;
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GFile *file;
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const gchar *name;
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GdkPaintable *paintable;
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image = gtk_bin_get_child (GTK_BIN (widget));
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name = gtk_image_get_icon_name (GTK_IMAGE (image));
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paintable = get_image_paintable (GTK_IMAGE (widget));
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if (paintable)
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{
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int w, h;
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w = gdk_paintable_get_intrinsic_width (paintable);
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h = gdk_paintable_get_intrinsic_height (paintable);
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gtk_drag_source_set_icon (source, paintable, w, h);
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g_object_unref (paintable);
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}
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}
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static void
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get_texture (GValue *value,
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gpointer data)
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{
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GdkPaintable *paintable = get_image_paintable (GTK_IMAGE (data));
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if (GDK_IS_TEXTURE (paintable))
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g_value_set_object (value, paintable);
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}
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static void
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get_file (GValue *value,
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gpointer data)
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{
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const char *name;
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GtkIconInfo *info;
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GFile *file;
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name = gtk_image_get_icon_name (GTK_IMAGE (data));
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info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (), name, -1, 0);
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file = g_file_new_for_path (gtk_icon_info_get_filename (info));
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uris[0] = g_file_get_uri (file);
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uris[1] = NULL;
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gtk_selection_data_set_uris (selection, uris);
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g_free (uris[0]);
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g_object_unref (info);
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g_value_set_object (value, file);
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g_object_unref (file);
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g_object_unref (info);
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}
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static void
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setup_image_dnd (GtkWidget *image)
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{
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gtk_drag_source_set (image, GDK_BUTTON1_MASK, NULL, GDK_ACTION_COPY);
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gtk_drag_source_add_image_targets (image);
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g_signal_connect (image, "drag-data-get", G_CALLBACK (get_image_data), NULL);
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GdkContentProvider *content;
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GtkDragSource *source;
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content = gdk_content_provider_new_with_callback (GDK_TYPE_TEXTURE, get_texture, image);
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source = gtk_drag_source_new (content, GDK_ACTION_COPY);
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g_object_unref (content);
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g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
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gtk_drag_source_attach (source, image, GDK_BUTTON1_MASK);
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}
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static void
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setup_scalable_image_dnd (GtkWidget *image)
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{
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GtkWidget *parent;
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GdkContentFormats *targets;
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GdkContentProvider *content;
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GtkDragSource *source;
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parent = gtk_widget_get_parent (image);
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targets = gdk_content_formats_new (target_table, G_N_ELEMENTS (target_table));
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gtk_drag_source_set (parent, GDK_BUTTON1_MASK,
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targets,
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GDK_ACTION_COPY);
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gdk_content_formats_unref (targets);
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content = gdk_content_provider_new_with_callback (G_TYPE_FILE, get_file, image);
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source = gtk_drag_source_new (content, GDK_ACTION_COPY);
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g_object_unref (content);
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g_signal_connect (parent, "drag-data-get", G_CALLBACK (get_scalable_image_data), NULL);
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g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
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gtk_drag_source_attach (source, image, GDK_BUTTON1_MASK);
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}
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static void
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@ -459,7 +463,6 @@ icon_browser_window_init (IconBrowserWindow *win)
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setup_image_dnd (win->image3);
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setup_image_dnd (win->image4);
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setup_image_dnd (win->image5);
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setup_image_dnd (win->image6);
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setup_scalable_image_dnd (win->image6);
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win->contexts = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, context_free);
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