diff options
Diffstat (limited to 'cut-n-paste/toolbar-editor/egg-toolbar-editor.c')
| -rw-r--r-- | cut-n-paste/toolbar-editor/egg-toolbar-editor.c | 671 |
1 files changed, 671 insertions, 0 deletions
diff --git a/cut-n-paste/toolbar-editor/egg-toolbar-editor.c b/cut-n-paste/toolbar-editor/egg-toolbar-editor.c new file mode 100644 index 0000000..7ee7f45 --- /dev/null +++ b/cut-n-paste/toolbar-editor/egg-toolbar-editor.c @@ -0,0 +1,671 @@ +/* + * Copyright (C) 2003 Marco Pesenti Gritti + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Id: egg-toolbar-editor.c 929 2009-02-19 14:49:56Z friemann $ + */ + +#include "config.h" + +#include "egg-toolbar-editor.h" +#include "egg-editable-toolbar.h" + +#include <string.h> +#include <libxml/tree.h> +#include <gtk/gtk.h> +#include <glib/gi18n.h> + +static const GtkTargetEntry dest_drag_types[] = { + {EGG_TOOLBAR_ITEM_TYPE, GTK_TARGET_SAME_APP, 0}, +}; + +static const GtkTargetEntry source_drag_types[] = { + {EGG_TOOLBAR_ITEM_TYPE, GTK_TARGET_SAME_APP, 0}, +}; + + +static void egg_toolbar_editor_finalize (GObject *object); +static void update_editor_sheet (EggToolbarEditor *editor); + +enum +{ + PROP_0, + PROP_UI_MANAGER, + PROP_TOOLBARS_MODEL +}; + +enum +{ + SIGNAL_HANDLER_ITEM_ADDED, + SIGNAL_HANDLER_ITEM_REMOVED, + SIGNAL_HANDLER_TOOLBAR_REMOVED, + SIGNAL_HANDLER_LIST_SIZE /* Array size */ +}; + +#define EGG_TOOLBAR_EDITOR_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EGG_TYPE_TOOLBAR_EDITOR, EggToolbarEditorPrivate)) + +struct EggToolbarEditorPrivate +{ + GtkUIManager *manager; + EggToolbarsModel *model; + + GtkWidget *table; + GtkWidget *scrolled_window; + GList *actions_list; + GList *factory_list; + + /* These handlers need to be sanely disconnected when switching models */ + gulong sig_handlers[SIGNAL_HANDLER_LIST_SIZE]; +}; + +G_DEFINE_TYPE (EggToolbarEditor, egg_toolbar_editor, GTK_TYPE_VBOX); + +static gint +compare_items (gconstpointer a, + gconstpointer b) +{ + const GtkWidget *item1 = a; + const GtkWidget *item2 = b; + + char *key1 = g_object_get_data (G_OBJECT (item1), + "egg-collate-key"); + char *key2 = g_object_get_data (G_OBJECT (item2), + "egg-collate-key"); + + return strcmp (key1, key2); +} + +static GtkAction * +find_action (EggToolbarEditor *t, + const char *name) +{ + GList *l; + GtkAction *action = NULL; + + l = gtk_ui_manager_get_action_groups (t->priv->manager); + + g_return_val_if_fail (EGG_IS_TOOLBAR_EDITOR (t), NULL); + g_return_val_if_fail (name != NULL, NULL); + + for (; l != NULL; l = l->next) + { + GtkAction *tmp; + + tmp = gtk_action_group_get_action (GTK_ACTION_GROUP (l->data), name); + if (tmp) + action = tmp; + } + + return action; +} + +static void +egg_toolbar_editor_set_ui_manager (EggToolbarEditor *t, + GtkUIManager *manager) +{ + g_return_if_fail (GTK_IS_UI_MANAGER (manager)); + + t->priv->manager = g_object_ref (manager); +} + +static void +item_added_or_removed_cb (EggToolbarsModel *model, + int tpos, + int ipos, + EggToolbarEditor *editor) +{ + update_editor_sheet (editor); +} + +static void +toolbar_removed_cb (EggToolbarsModel *model, + int position, + EggToolbarEditor *editor) +{ + update_editor_sheet (editor); +} + +static void +egg_toolbar_editor_disconnect_model (EggToolbarEditor *t) +{ + EggToolbarEditorPrivate *priv = t->priv; + EggToolbarsModel *model = priv->model; + gulong handler; + int i; + + for (i = 0; i < SIGNAL_HANDLER_LIST_SIZE; i++) + { + handler = priv->sig_handlers[i]; + + if (handler != 0) + { + if (g_signal_handler_is_connected (model, handler)) + { + g_signal_handler_disconnect (model, handler); + } + + priv->sig_handlers[i] = 0; + } + } +} + +void +egg_toolbar_editor_set_model (EggToolbarEditor *t, + EggToolbarsModel *model) +{ + EggToolbarEditorPrivate *priv; + + g_return_if_fail (EGG_IS_TOOLBAR_EDITOR (t)); + g_return_if_fail (model != NULL); + + priv = t->priv; + + if (priv->model) + { + if (G_UNLIKELY (priv->model == model)) return; + + egg_toolbar_editor_disconnect_model (t); + g_object_unref (priv->model); + } + + priv->model = g_object_ref (model); + + update_editor_sheet (t); + + priv->sig_handlers[SIGNAL_HANDLER_ITEM_ADDED] = + g_signal_connect_object (model, "item_added", + G_CALLBACK (item_added_or_removed_cb), t, 0); + priv->sig_handlers[SIGNAL_HANDLER_ITEM_REMOVED] = + g_signal_connect_object (model, "item_removed", + G_CALLBACK (item_added_or_removed_cb), t, 0); + priv->sig_handlers[SIGNAL_HANDLER_TOOLBAR_REMOVED] = + g_signal_connect_object (model, "toolbar_removed", + G_CALLBACK (toolbar_removed_cb), t, 0); +} + +static void +egg_toolbar_editor_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EggToolbarEditor *t = EGG_TOOLBAR_EDITOR (object); + + switch (prop_id) + { + case PROP_UI_MANAGER: + egg_toolbar_editor_set_ui_manager (t, g_value_get_object (value)); + break; + case PROP_TOOLBARS_MODEL: + egg_toolbar_editor_set_model (t, g_value_get_object (value)); + break; + } +} + +static void +egg_toolbar_editor_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EggToolbarEditor *t = EGG_TOOLBAR_EDITOR (object); + + switch (prop_id) + { + case PROP_UI_MANAGER: + g_value_set_object (value, t->priv->manager); + break; + case PROP_TOOLBARS_MODEL: + g_value_set_object (value, t->priv->model); + break; + } +} + +static void +egg_toolbar_editor_class_init (EggToolbarEditorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = egg_toolbar_editor_finalize; + object_class->set_property = egg_toolbar_editor_set_property; + object_class->get_property = egg_toolbar_editor_get_property; + + g_object_class_install_property (object_class, + PROP_UI_MANAGER, + g_param_spec_object ("ui-manager", + "UI-Manager", + "UI Manager", + GTK_TYPE_UI_MANAGER, + G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | + G_PARAM_CONSTRUCT_ONLY)); + g_object_class_install_property (object_class, + PROP_TOOLBARS_MODEL, + g_param_spec_object ("model", + "Model", + "Toolbars Model", + EGG_TYPE_TOOLBARS_MODEL, + G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | + G_PARAM_CONSTRUCT)); + + g_type_class_add_private (object_class, sizeof (EggToolbarEditorPrivate)); +} + +static void +egg_toolbar_editor_finalize (GObject *object) +{ + EggToolbarEditor *editor = EGG_TOOLBAR_EDITOR (object); + + if (editor->priv->manager) + { + g_object_unref (editor->priv->manager); + } + + if (editor->priv->model) + { + egg_toolbar_editor_disconnect_model (editor); + g_object_unref (editor->priv->model); + } + + g_list_free (editor->priv->actions_list); + g_list_free (editor->priv->factory_list); + + G_OBJECT_CLASS (egg_toolbar_editor_parent_class)->finalize (object); +} + +GtkWidget * +egg_toolbar_editor_new (GtkUIManager *manager, + EggToolbarsModel *model) +{ + return GTK_WIDGET (g_object_new (EGG_TYPE_TOOLBAR_EDITOR, + "ui-manager", manager, + "model", model, + NULL)); +} + +static void +drag_begin_cb (GtkWidget *widget, + GdkDragContext *context) +{ + gtk_widget_hide (widget); +} + +static void +drag_end_cb (GtkWidget *widget, + GdkDragContext *context) +{ + gtk_widget_show (widget); +} + +static void +drag_data_get_cb (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint32 time, + EggToolbarEditor *editor) +{ + const char *target; + + target = g_object_get_data (G_OBJECT (widget), "egg-item-name"); + g_return_if_fail (target != NULL); + + gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data), 8, + (const guchar *) target, strlen (target)); +} + +static gchar * +elide_underscores (const gchar *original) +{ + gchar *q, *result; + const gchar *p; + gboolean last_underscore; + + q = result = g_malloc (strlen (original) + 1); + last_underscore = FALSE; + + for (p = original; *p; p++) + { + if (!last_underscore && *p == '_') + last_underscore = TRUE; + else + { + last_underscore = FALSE; + *q++ = *p; + } + } + + *q = '\0'; + + return result; +} + +static void +set_drag_cursor (GtkWidget *widget) +{ + GdkCursor *cursor; + GdkScreen *screen; + + screen = gtk_widget_get_screen (widget); + + cursor = gdk_cursor_new_for_display (gdk_screen_get_display (screen), + GDK_HAND2); + gdk_window_set_cursor (gtk_widget_get_window (widget), cursor); + gdk_cursor_unref (cursor); +} + +static void +event_box_realize_cb (GtkWidget *widget, GtkImage *icon) +{ + GtkImageType type; + + set_drag_cursor (widget); + + type = gtk_image_get_storage_type (icon); + if (type == GTK_IMAGE_STOCK) + { + gchar *stock_id; + GdkPixbuf *pixbuf; + + gtk_image_get_stock (icon, &stock_id, NULL); + pixbuf = gtk_widget_render_icon (widget, stock_id, + GTK_ICON_SIZE_LARGE_TOOLBAR, NULL); + gtk_drag_source_set_icon_pixbuf (widget, pixbuf); + g_object_unref (pixbuf); + } + else if (type == GTK_IMAGE_ICON_NAME) + { + const gchar *icon_name; + GdkScreen *screen; + GtkIconTheme *icon_theme; + GtkSettings *settings; + gint width, height; + GdkPixbuf *pixbuf; + + gtk_image_get_icon_name (icon, &icon_name, NULL); + screen = gtk_widget_get_screen (widget); + icon_theme = gtk_icon_theme_get_for_screen (screen); + settings = gtk_settings_get_for_screen (screen); + + if (!gtk_icon_size_lookup_for_settings (settings, + GTK_ICON_SIZE_LARGE_TOOLBAR, + &width, &height)) + { + width = height = 24; + } + + pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name, + MIN (width, height), 0, NULL); + if (G_UNLIKELY (!pixbuf)) + return; + + gtk_drag_source_set_icon_pixbuf (widget, pixbuf); + g_object_unref (pixbuf); + + } + else if (type == GTK_IMAGE_PIXBUF) + { + GdkPixbuf *pixbuf = gtk_image_get_pixbuf (icon); + gtk_drag_source_set_icon_pixbuf (widget, pixbuf); + } +} + +static GtkWidget * +editor_create_item (EggToolbarEditor *editor, + GtkImage *icon, + const char *label_text, + GdkDragAction action) +{ + GtkWidget *event_box; + GtkWidget *vbox; + GtkWidget *label; + gchar *label_no_mnemonic = NULL; + + event_box = gtk_event_box_new (); + gtk_event_box_set_visible_window (GTK_EVENT_BOX (event_box), FALSE); + gtk_widget_show (event_box); + gtk_drag_source_set (event_box, + GDK_BUTTON1_MASK, + source_drag_types, G_N_ELEMENTS (source_drag_types), action); + g_signal_connect (event_box, "drag_data_get", + G_CALLBACK (drag_data_get_cb), editor); + g_signal_connect_after (event_box, "realize", + G_CALLBACK (event_box_realize_cb), icon); + + if (action == GDK_ACTION_MOVE) + { + g_signal_connect (event_box, "drag_begin", + G_CALLBACK (drag_begin_cb), NULL); + g_signal_connect (event_box, "drag_end", + G_CALLBACK (drag_end_cb), NULL); + } + + vbox = gtk_vbox_new (0, FALSE); + gtk_widget_show (vbox); + gtk_container_add (GTK_CONTAINER (event_box), vbox); + + gtk_widget_show (GTK_WIDGET (icon)); + gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (icon), FALSE, TRUE, 0); + label_no_mnemonic = elide_underscores (label_text); + label = gtk_label_new (label_no_mnemonic); + g_free (label_no_mnemonic); + gtk_widget_show (label); + gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, TRUE, 0); + + return event_box; +} + +static GtkWidget * +editor_create_item_from_name (EggToolbarEditor *editor, + const char * name, + GdkDragAction drag_action) +{ + GtkWidget *item; + const char *item_name; + char *short_label; + const char *collate_key; + + if (strcmp (name, "_separator") == 0) + { + GtkWidget *icon; + + icon = _egg_editable_toolbar_new_separator_image (); + short_label = _("Separator"); + item_name = g_strdup (name); + collate_key = g_utf8_collate_key (short_label, -1); + item = editor_create_item (editor, GTK_IMAGE (icon), + short_label, drag_action); + } + else + { + GtkAction *action; + GtkWidget *icon; + char *stock_id, *icon_name = NULL; + + action = find_action (editor, name); + g_return_val_if_fail (action != NULL, NULL); + + g_object_get (action, + "icon-name", &icon_name, + "stock-id", &stock_id, + "short-label", &short_label, + NULL); + + /* This is a workaround to catch named icons. */ + if (icon_name) + icon = gtk_image_new_from_icon_name (icon_name, + GTK_ICON_SIZE_LARGE_TOOLBAR); + else + icon = gtk_image_new_from_stock (stock_id ? stock_id : GTK_STOCK_DND, + GTK_ICON_SIZE_LARGE_TOOLBAR); + + item_name = g_strdup (name); + collate_key = g_utf8_collate_key (short_label, -1); + item = editor_create_item (editor, GTK_IMAGE (icon), + short_label, drag_action); + + g_free (short_label); + g_free (stock_id); + g_free (icon_name); + } + + g_object_set_data_full (G_OBJECT (item), "egg-collate-key", + (gpointer) collate_key, g_free); + g_object_set_data_full (G_OBJECT (item), "egg-item-name", + (gpointer) item_name, g_free); + + return item; +} + +static gint +append_table (GtkTable *table, GList *items, gint y, gint width) +{ + if (items != NULL) + { + gint x = 0, height; + GtkWidget *alignment; + GtkWidget *item; + + height = g_list_length (items) / width + 1; + gtk_table_resize (table, height, width); + + if (y > 0) + { + item = gtk_hseparator_new (); + alignment = gtk_alignment_new (0.5, 0.5, 1.0, 0.0); + gtk_container_add (GTK_CONTAINER (alignment), item); + gtk_widget_show (alignment); + gtk_widget_show (item); + + gtk_table_attach_defaults (table, alignment, 0, width, y-1, y+1); + } + + for (; items != NULL; items = items->next) + { + item = items->data; + alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); + gtk_container_add (GTK_CONTAINER (alignment), item); + gtk_widget_show (alignment); + gtk_widget_show (item); + + if (x >= width) + { + x = 0; + y++; + } + gtk_table_attach_defaults (table, alignment, x, x+1, y, y+1); + x++; + } + + y++; + } + return y; +} + +static void +update_editor_sheet (EggToolbarEditor *editor) +{ + gint y; + GPtrArray *items; + GList *to_move = NULL, *to_copy = NULL; + GtkWidget *table; + GtkWidget *viewport; + + g_return_if_fail (EGG_IS_TOOLBAR_EDITOR (editor)); + + /* Create new table. */ + table = gtk_table_new (0, 0, TRUE); + editor->priv->table = table; + gtk_container_set_border_width (GTK_CONTAINER (table), 12); + gtk_table_set_row_spacings (GTK_TABLE (table), 24); + gtk_widget_show (table); + gtk_drag_dest_set (table, GTK_DEST_DEFAULT_ALL, + dest_drag_types, G_N_ELEMENTS (dest_drag_types), + GDK_ACTION_MOVE | GDK_ACTION_COPY); + + /* Build two lists of items (one for copying, one for moving). */ + items = egg_toolbars_model_get_name_avail (editor->priv->model); + while (items->len > 0) + { + GtkWidget *item; + const char *name; + gint flags; + + name = g_ptr_array_index (items, 0); + g_ptr_array_remove_index_fast (items, 0); + + flags = egg_toolbars_model_get_name_flags (editor->priv->model, name); + if ((flags & EGG_TB_MODEL_NAME_INFINITE) == 0) + { + item = editor_create_item_from_name (editor, name, GDK_ACTION_MOVE); + if (item != NULL) + to_move = g_list_insert_sorted (to_move, item, compare_items); + } + else + { + item = editor_create_item_from_name (editor, name, GDK_ACTION_COPY); + if (item != NULL) + to_copy = g_list_insert_sorted (to_copy, item, compare_items); + } + } + + /* Add them to the sheet. */ + y = 0; + y = append_table (GTK_TABLE (table), to_move, y, 4); + y = append_table (GTK_TABLE (table), to_copy, y, 4); + + g_list_free (to_move); + g_list_free (to_copy); + g_ptr_array_free (items, TRUE); + + /* Delete old table. */ + viewport = gtk_bin_get_child (GTK_BIN (editor->priv->scrolled_window)); + if (viewport) + { + gtk_container_remove (GTK_CONTAINER (viewport), + gtk_bin_get_child (GTK_BIN (viewport))); + } + + /* Add table to window. */ + gtk_scrolled_window_add_with_viewport + (GTK_SCROLLED_WINDOW (editor->priv->scrolled_window), table); + +} + +static void +setup_editor (EggToolbarEditor *editor) +{ + GtkWidget *scrolled_window; + + gtk_container_set_border_width (GTK_CONTAINER (editor), 12); + scrolled_window = gtk_scrolled_window_new (NULL, NULL); + editor->priv->scrolled_window = scrolled_window; + gtk_widget_show (scrolled_window); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), + GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); + gtk_box_pack_start (GTK_BOX (editor), scrolled_window, TRUE, TRUE, 0); +} + +static void +egg_toolbar_editor_init (EggToolbarEditor *t) +{ + t->priv = EGG_TOOLBAR_EDITOR_GET_PRIVATE (t); + + t->priv->manager = NULL; + t->priv->actions_list = NULL; + + setup_editor (t); +} + |