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author | Anders Carlsson <andersca@src.gnome.org> | 2002-04-30 17:08:52 +0000 |
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committer | Anders Carlsson <andersca@src.gnome.org> | 2002-04-30 17:08:52 +0000 |
commit | 683de88115a7f85f89984315a9f48ba15119729d (patch) | |
tree | 2ac5c20355203732f16427e3b4821b42a920bca0 /gtk/gtkiconview.c | |
parent | 508daa7dfe97ee890d98c7563a917e88b08d7264 (diff) | |
download | gtk+-683de88115a7f85f89984315a9f48ba15119729d.tar.gz |
Add this
Diffstat (limited to 'gtk/gtkiconview.c')
-rw-r--r-- | gtk/gtkiconview.c | 2488 |
1 files changed, 2488 insertions, 0 deletions
diff --git a/gtk/gtkiconview.c b/gtk/gtkiconview.c new file mode 100644 index 0000000000..d0eabeac80 --- /dev/null +++ b/gtk/gtkiconview.c @@ -0,0 +1,2488 @@ +/* eggiconlist.h + * Copyright (C) 2002 Anders Carlsson <andersca@gnu.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "eggiconlist.h" + +#include <string.h> +#include <gdk/gdkkeysyms.h> +#include <gtk/gtkbindings.h> +#include <gtk/gtkdnd.h> +#include <gtk/gtkmain.h> +#include <gtk/gtksignal.h> + +#include "eggintl.h" +#include "eggmarshalers.h" + + +#define MINIMUM_ICON_ITEM_WIDTH 100 +#define ICON_TEXT_PADDING 3 + +#define ICON_LIST_ITEM_DATA "egg-icon-list-item-data" + +struct _EggIconListItem +{ + GObject parent; + + EggIconList *icon_list; + char *label; + GdkPixbuf *icon; + + GList *list; + + /* Bounding boxes */ + gint x, y; + gint width, height; + + gint pixbuf_x, pixbuf_y; + gint pixbuf_height, pixbuf_width; + + gint layout_x, layout_y; + gint layout_width, layout_height; + + guint selected : 1; + guint selected_before_rubberbanding : 1; +}; + +struct _EggIconListPrivate +{ + gint width, height; + + GtkSelectionMode selection_mode; + + GdkWindow *bin_window; + + GList *items; + GList *last_item; + gint item_count; + + GtkAdjustment *hadjustment; + GtkAdjustment *vadjustment; + + guint layout_idle_id; + + gboolean rubberbanding; + gint rubberband_x1, rubberband_y1; + gint rubberband_x2, rubberband_y2; + + EggIconListItem *cursor_item; + + char *typeahead_string; + + /* Sorting */ + gboolean sorted; + GtkSortType sort_order; + + EggIconListItemCompareFunc sort_func; + gpointer sort_data; + GDestroyNotify sort_destroy_notify; + + EggIconListItem *last_single_clicked; + + /* Drag-and-drop. */ + gint pressed_button; + gint press_start_x; + gint press_start_y; + + /* Layout used to draw icon text */ + PangoLayout *layout; +}; + +/* Signals */ +enum +{ + ITEM_ACTIVATED, + ITEM_ADDED, + ITEM_REMOVED, + SELECTION_CHANGED, + SELECT_ALL, + UNSELECT_ALL, + SELECT_CURSOR_ITEM, + TOGGLE_CURSOR_ITEM, + MOVE_CURSOR, + LAST_SIGNAL +}; + +/* Properties */ +enum +{ + PROP_0, + PROP_SELECTION_MODE, + PROP_SORTED, + PROP_SORT_ORDER, +}; + +/* Icon List Item properties */ +enum +{ + PROP_ITEM_0, + PROP_LABEL, +}; + +static void egg_icon_list_class_init (EggIconListClass *klass); +static void egg_icon_list_init (EggIconList *icon_list); + +/* GObject signals */ +static void egg_icon_list_finalize (GObject *object); +static void egg_icon_list_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void egg_icon_list_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); + + +/* GtkWidget signals */ +static void egg_icon_list_realize (GtkWidget *widget); +static void egg_icon_list_unrealize (GtkWidget *widget); +static void egg_icon_list_map (GtkWidget *widget); +static void egg_icon_list_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void egg_icon_list_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); +static gboolean egg_icon_list_expose (GtkWidget *widget, + GdkEventExpose *expose); +static gboolean egg_icon_list_motion (GtkWidget *widget, + GdkEventMotion *event); +static gboolean egg_icon_list_button_press (GtkWidget *widget, + GdkEventButton *event); +static gboolean egg_icon_list_button_release (GtkWidget *widget, + GdkEventButton *event); +static gboolean egg_icon_list_key_press (GtkWidget *widget, + GdkEventKey *event); + + +/* EggIconList signals */ +static void egg_icon_list_set_adjustments (EggIconList *icon_list, + GtkAdjustment *hadj, + GtkAdjustment *vadj); +static void egg_icon_list_real_select_all (EggIconList *icon_list); +static void egg_icon_list_real_unselect_all (EggIconList *icon_list); +static void egg_icon_list_real_select_cursor_item (EggIconList *icon_list); +static void egg_icon_list_real_toggle_cursor_item (EggIconList *icon_list); + +/* Internal functions */ +static void egg_icon_list_adjustment_changed (GtkAdjustment *adjustment, + EggIconList *icon_list); +static void egg_icon_list_layout (EggIconList *icon_list); +static void egg_icon_list_paint_item (EggIconList *icon_list, + EggIconListItem *item, + GdkRectangle *area); +static void egg_icon_list_paint_rubberband (EggIconList *icon_list, + GdkRectangle *area); +static void egg_icon_list_queue_draw_item (EggIconList *icon_list, + EggIconListItem *item); +static void egg_icon_list_queue_layout (EggIconList *icon_list); +static void egg_icon_list_set_cursor_item (EggIconList *icon_list, + EggIconListItem *item); +static void egg_icon_list_append_typeahead_string (EggIconList *icon_list, + const gchar *string); +static void egg_icon_list_select_first_matching_item (EggIconList *icon_list, + const char *pattern); +static void egg_icon_list_start_rubberbanding (EggIconList *icon_list, + gint x, + gint y); +static void egg_icon_list_stop_rubberbanding (EggIconList *icon_list); +static void egg_icon_list_sort (EggIconList *icon_list); +static gint egg_icon_list_sort_func (EggIconListItem *a, + EggIconListItem *b, + EggIconList *icon_list); +static void egg_icon_list_insert_item_sorted (EggIconList *icon_list, + EggIconListItem *item); +static void egg_icon_list_validate (EggIconList *icon_list); +static void egg_icon_list_update_rubberband_selection (EggIconList *icon_list); +static gboolean egg_icon_list_item_hit_test (EggIconListItem *item, + gint x, + gint y, + gint width, + gint height); +static gboolean egg_icon_list_maybe_begin_dragging_items (EggIconList *icon_list, + GdkEventMotion *event); +static gboolean egg_icon_list_unselect_all_internal (EggIconList *icon_list, + gboolean emit); +static void egg_icon_list_calculate_item_size (EggIconList *icon_list, EggIconListItem *item); +static void rubberbanding (gpointer data); + + +/* EggIconListItem functions */ +static void egg_icon_list_item_class_init (GObjectClass *klass); +static void egg_icon_list_item_init (EggIconListItem *item); +static void egg_icon_list_item_finalize (GObject *object); +static void egg_icon_list_item_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void egg_icon_list_item_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); + + + + +static void egg_icon_list_item_invalidate_size (EggIconListItem *item); + +static GtkContainerClass *parent_class = NULL; +static GObjectClass *item_parent_class = NULL; +static guint icon_list_signals[LAST_SIGNAL] = { 0 }; + +GType +egg_icon_list_item_get_type (void) +{ + static GType object_type = 0; + + if (!object_type) + { + static const GTypeInfo object_info = + { + sizeof (GObjectClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) egg_icon_list_item_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (EggIconListItem), + 0, /* n_preallocs */ + (GInstanceInitFunc) egg_icon_list_item_init + }; + + object_type = g_type_register_static (G_TYPE_OBJECT, "EggIconListItem", &object_info, 0); + } + + return object_type; +} + +GType +egg_icon_list_get_type (void) +{ + static GType object_type = 0; + + if (!object_type) + { + static const GTypeInfo object_info = + { + sizeof (EggIconListClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) egg_icon_list_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof (EggIconList), + 0, /* n_preallocs */ + (GInstanceInitFunc) egg_icon_list_init + }; + + object_type = g_type_register_static (GTK_TYPE_CONTAINER, "EggIconList", &object_info, 0); + } + + return object_type; +} + +static void +egg_icon_list_class_init (EggIconListClass *klass) +{ + GObjectClass *gobject_class; + GtkWidgetClass *widget_class; + GtkBindingSet *binding_set; + + parent_class = g_type_class_peek_parent (klass); + binding_set = gtk_binding_set_by_class (klass); + + gobject_class = (GObjectClass *) klass; + widget_class = (GtkWidgetClass *) klass; + + gobject_class->finalize = egg_icon_list_finalize; + gobject_class->set_property = egg_icon_list_set_property; + gobject_class->get_property = egg_icon_list_get_property; + + widget_class->realize = egg_icon_list_realize; + widget_class->unrealize = egg_icon_list_unrealize; + widget_class->map = egg_icon_list_map; + widget_class->size_request = egg_icon_list_size_request; + widget_class->size_allocate = egg_icon_list_size_allocate; + widget_class->expose_event = egg_icon_list_expose; + widget_class->motion_notify_event = egg_icon_list_motion; + widget_class->button_press_event = egg_icon_list_button_press; + widget_class->button_release_event = egg_icon_list_button_release; + widget_class->key_press_event = egg_icon_list_key_press; + + klass->set_scroll_adjustments = egg_icon_list_set_adjustments; + klass->select_all = egg_icon_list_real_select_all; + klass->unselect_all = egg_icon_list_real_unselect_all; + klass->select_cursor_item = egg_icon_list_real_select_cursor_item; + klass->toggle_cursor_item = egg_icon_list_real_toggle_cursor_item; + + /* Properties */ + g_object_class_install_property (gobject_class, + PROP_SELECTION_MODE, + g_param_spec_enum ("selection_mode", + _("Selection mode"), + _("The selection mode"), + GTK_TYPE_SELECTION_MODE, + GTK_SELECTION_SINGLE, + G_PARAM_READWRITE)); + + g_object_class_install_property (gobject_class, + PROP_SORTED, + g_param_spec_boolean ("sorted", + _("Sorted"), + _("Icon list is sorted"), + FALSE, + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_SORT_ORDER, + g_param_spec_enum ("sort_order", + _("Sort order"), + _("Sort direction the icon list should use"), + GTK_TYPE_SORT_TYPE, + GTK_SORT_ASCENDING, + G_PARAM_READABLE | G_PARAM_WRITABLE)); + + /* Style properties */ +#define _ICON_LIST_TOP_MARGIN 6 +#define _ICON_LIST_BOTTOM_MARGIN 6 +#define _ICON_LIST_LEFT_MARGIN 6 +#define _ICON_LIST_RIGHT_MARGIN 6 +#define _ICON_LIST_ICON_PADDING 6 + + gtk_widget_class_install_style_property (widget_class, + g_param_spec_int ("icon_padding", + _("Icon padding"), + _("Number of pixels between icons"), + 0, + G_MAXINT, + _ICON_LIST_ICON_PADDING, + G_PARAM_READABLE)); + gtk_widget_class_install_style_property (widget_class, + g_param_spec_int ("top_margin", + _("Top margin"), + _("Number of pixels in top margin"), + 0, + G_MAXINT, + _ICON_LIST_TOP_MARGIN, + G_PARAM_READABLE)); + gtk_widget_class_install_style_property (widget_class, + g_param_spec_int ("bottom_margin", + _("Bottom margin"), + _("Number of pixels in bottom margin"), + 0, + G_MAXINT, + _ICON_LIST_BOTTOM_MARGIN, + G_PARAM_READABLE)); + + gtk_widget_class_install_style_property (widget_class, + g_param_spec_int ("left_margin", + _("Left margin"), + _("Number of pixels in left margin"), + 0, + G_MAXINT, + _ICON_LIST_LEFT_MARGIN, + G_PARAM_READABLE)); + gtk_widget_class_install_style_property (widget_class, + g_param_spec_int ("right_margin", + _("Right margin"), + _("Number of pixels in right margin"), + 0, + G_MAXINT, + _ICON_LIST_RIGHT_MARGIN, + G_PARAM_READABLE)); + + /* Signals */ + widget_class->set_scroll_adjustments_signal = + g_signal_new ("set_scroll_adjustments", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EggIconListClass, set_scroll_adjustments), + NULL, NULL, + _egg_marshal_VOID__OBJECT_OBJECT, + G_TYPE_NONE, 2, + GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); + + icon_list_signals[ITEM_ACTIVATED] = + g_signal_new ("item_activated", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EggIconListClass, item_activated), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, + EGG_TYPE_ICON_LIST_ITEM); + + icon_list_signals[SELECTION_CHANGED] = + g_signal_new ("selection_changed", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (EggIconListClass, selection_changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + icon_list_signals[ITEM_ADDED] = + g_signal_new ("item_added", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EggIconListClass, item_added), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, EGG_TYPE_ICON_LIST_ITEM); + + icon_list_signals[ITEM_REMOVED] = + g_signal_new ("item_removed", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EggIconListClass, item_removed), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, EGG_TYPE_ICON_LIST_ITEM); + + icon_list_signals[SELECT_ALL] = + g_signal_new ("select_all", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EggIconListClass, select_all), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + icon_list_signals[UNSELECT_ALL] = + g_signal_new ("unselect_all", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EggIconListClass, unselect_all), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + icon_list_signals[SELECT_CURSOR_ITEM] = + g_signal_new ("select_cursor_item", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EggIconListClass, select_cursor_item), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + icon_list_signals[SELECT_CURSOR_ITEM] = + g_signal_new ("toggle_cursor_item", + G_TYPE_FROM_CLASS (gobject_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EggIconListClass, toggle_cursor_item), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + /* Key bindings */ + gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK, "select_all", 0); + gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "unselect_all", 0); + gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select_cursor_item", 0); + gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_cursor_item", 0); +} + + +static void +egg_icon_list_init (EggIconList *icon_list) +{ + icon_list->priv = g_new0 (EggIconListPrivate, 1); + GTK_WIDGET_SET_FLAGS (icon_list, GTK_CAN_FOCUS); + + icon_list->priv->width = 0; + icon_list->priv->height = 0; + icon_list->priv->selection_mode = GTK_SELECTION_SINGLE; + icon_list->priv->sort_order = GTK_SORT_ASCENDING; + icon_list->priv->pressed_button = -1; + icon_list->priv->press_start_x = -1; + icon_list->priv->press_start_y = -1; + icon_list->priv->layout = gtk_widget_create_pango_layout (GTK_WIDGET (icon_list), NULL); + + egg_icon_list_set_adjustments (icon_list, NULL, NULL); +} + + +/* GObject methods */ +static void +egg_icon_list_finalize (GObject *object) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (object); + + if (icon_list->priv->layout_idle_id != 0) + g_source_remove (icon_list->priv->layout_idle_id); + + g_free (icon_list->priv); + + (G_OBJECT_CLASS (parent_class)->finalize) (object); +} + + +static void +egg_icon_list_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (object); + + switch (prop_id) + { + case PROP_SELECTION_MODE: + egg_icon_list_set_selection_mode (icon_list, g_value_get_enum (value)); + break; + case PROP_SORTED: + egg_icon_list_set_sorted (icon_list, g_value_get_boolean (value)); + break; + case PROP_SORT_ORDER: + egg_icon_list_set_sort_order (icon_list, g_value_get_enum (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +egg_icon_list_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (object); + + switch (prop_id) + { + case PROP_SELECTION_MODE: + g_value_set_enum (value, icon_list->priv->selection_mode); + break; + case PROP_SORTED: + g_value_set_boolean (value, icon_list->priv->sorted); + break; + case PROP_SORT_ORDER: + g_value_set_enum (value, icon_list->priv->sort_order); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +/* GtkWidget signals */ +static void +egg_icon_list_realize (GtkWidget *widget) +{ + EggIconList *icon_list; + GdkWindowAttr attributes; + gint attributes_mask; + + icon_list = EGG_ICON_LIST (widget); + + GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); + + /* Make the main, clipping window */ + attributes.window_type = GDK_WINDOW_CHILD; + attributes.x = widget->allocation.x; + attributes.y = widget->allocation.y; + attributes.width = widget->allocation.width; + attributes.height = widget->allocation.height; + attributes.wclass = GDK_INPUT_OUTPUT; + attributes.visual = gtk_widget_get_visual (widget); + attributes.colormap = gtk_widget_get_colormap (widget); + attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK; + + attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; + + widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), + &attributes, attributes_mask); + gdk_window_set_user_data (widget->window, widget); + + /* Make the window for the icon list */ + attributes.x = 0; + attributes.y = 0; + attributes.width = MAX (icon_list->priv->width, widget->allocation.width); + attributes.height = MAX (icon_list->priv->height, widget->allocation.height); + attributes.event_mask = (GDK_EXPOSURE_MASK | + GDK_SCROLL_MASK | + GDK_POINTER_MOTION_MASK | + GDK_BUTTON_PRESS_MASK | + GDK_BUTTON_RELEASE_MASK | + GDK_KEY_PRESS_MASK | + GDK_KEY_RELEASE_MASK) | + gtk_widget_get_events (widget); + + icon_list->priv->bin_window = gdk_window_new (widget->window, + &attributes, attributes_mask); + gdk_window_set_user_data (icon_list->priv->bin_window, widget); + + widget->style = gtk_style_attach (widget->style, widget->window); + gdk_window_set_background (icon_list->priv->bin_window, &widget->style->base[widget->state]); + gdk_window_set_background (widget->window, &widget->style->base[widget->state]); + + +} + +static void +egg_icon_list_unrealize (GtkWidget *widget) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (widget); + + gdk_window_set_user_data (icon_list->priv->bin_window, NULL); + gdk_window_destroy (icon_list->priv->bin_window); + icon_list->priv->bin_window = NULL; + + /* GtkWidget::unrealize destroys children and widget->window */ + if (GTK_WIDGET_CLASS (parent_class)->unrealize) + (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); +} + +static void +egg_icon_list_map (GtkWidget *widget) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (widget); + + GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); + + gdk_window_show (icon_list->priv->bin_window); + gdk_window_show (widget->window); +} + +static void +egg_icon_list_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (widget); + + requisition->width = icon_list->priv->width; + requisition->height = icon_list->priv->height; +} + +static void +egg_icon_list_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + EggIconList *icon_list; + + widget->allocation = *allocation; + + icon_list = EGG_ICON_LIST (widget); + + if (GTK_WIDGET_REALIZED (widget)) + { + gdk_window_move_resize (widget->window, + allocation->x, allocation->y, + allocation->width, allocation->height); + gdk_window_resize (icon_list->priv->bin_window, + MAX (icon_list->priv->width, allocation->width), + MAX (icon_list->priv->height, allocation->height)); + } + + icon_list->priv->hadjustment->page_size = allocation->width; + icon_list->priv->hadjustment->page_increment = allocation->width * 0.9; + icon_list->priv->hadjustment->step_increment = allocation->width * 0.1; + icon_list->priv->hadjustment->lower = 0; + icon_list->priv->hadjustment->upper = MAX (allocation->width, icon_list->priv->width); + g_signal_emit_by_name (icon_list->priv->hadjustment, "changed"); + + icon_list->priv->vadjustment->page_size = allocation->height; + icon_list->priv->vadjustment->page_increment = allocation->height * 0.9; + icon_list->priv->vadjustment->step_increment = allocation->width * 0.1; + icon_list->priv->vadjustment->lower = 0; + icon_list->priv->vadjustment->upper = MAX (allocation->height, icon_list->priv->height); + g_signal_emit_by_name (icon_list->priv->hadjustment, "changed"); + + egg_icon_list_layout (icon_list); +} + +static gboolean +egg_icon_list_expose (GtkWidget *widget, + GdkEventExpose *expose) +{ + EggIconList *icon_list; + GList *icons; + + icon_list = EGG_ICON_LIST (widget); + + if (expose->window != icon_list->priv->bin_window) + return FALSE; + + for (icons = icon_list->priv->items; icons; icons = icons->next) { + EggIconListItem *item = icons->data; + GdkRectangle item_rectangle; + + item_rectangle.x = item->x; + item_rectangle.y = item->y; + item_rectangle.width = item->width; + item_rectangle.height = item->height; + + if (gdk_region_rect_in (expose->region, &item_rectangle) == GDK_OVERLAP_RECTANGLE_OUT) + continue; + + egg_icon_list_paint_item (icon_list, item, &expose->area); + } + + if (icon_list->priv->rubberbanding) + { + GdkRectangle *rectangles; + gint n_rectangles; + + gdk_region_get_rectangles (expose->region, + &rectangles, + &n_rectangles); + + while (n_rectangles--) + egg_icon_list_paint_rubberband (icon_list, &rectangles[n_rectangles]); + + g_free (rectangles); + } + + return TRUE; +} + +static gboolean +egg_icon_list_motion (GtkWidget *widget, + GdkEventMotion *event) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (widget); + + egg_icon_list_maybe_begin_dragging_items (icon_list, event); + + if (icon_list->priv->rubberbanding) + rubberbanding (widget); + + return TRUE; +} + +static gboolean +egg_icon_list_button_press (GtkWidget *widget, + GdkEventButton *event) +{ + EggIconList *icon_list; + EggIconListItem *item; + gboolean dirty = FALSE; + + icon_list = EGG_ICON_LIST (widget); + + if (event->window != icon_list->priv->bin_window) + return FALSE; + + if (!GTK_WIDGET_HAS_FOCUS (widget)) + gtk_widget_grab_focus (widget); + + if (event->button == 1 && event->type == GDK_BUTTON_PRESS) + { + + if (icon_list->priv->selection_mode == GTK_SELECTION_NONE) + return TRUE; + + item = egg_icon_list_get_item_at_pos (icon_list, + event->x, event->y); + + if (item != NULL) + { + if (icon_list->priv->selection_mode == GTK_SELECTION_MULTIPLE && + (event->state & GDK_CONTROL_MASK)) + { + item->selected = !item->selected; + dirty = TRUE; + } + else + { + if (!item->selected) + { + egg_icon_list_unselect_all_internal (icon_list, FALSE); + + item->selected = TRUE; + dirty = TRUE; + } + } + + egg_icon_list_set_cursor_item (icon_list, item); + egg_icon_list_queue_draw_item (icon_list, item); + + /* Save press to possibly begin a drag */ + if (icon_list->priv->pressed_button < 0) + { + icon_list->priv->pressed_button = event->button; + icon_list->priv->press_start_x = event->x; + icon_list->priv->press_start_y = event->y; + } + + if (!icon_list->priv->last_single_clicked) + icon_list->priv->last_single_clicked = item; + } + else + { + if (icon_list->priv->selection_mode != GTK_SELECTION_BROWSE && + !(event->state & GDK_CONTROL_MASK)) + { + dirty = egg_icon_list_unselect_all_internal (icon_list, FALSE); + } + + if (icon_list->priv->selection_mode == GTK_SELECTION_MULTIPLE) + egg_icon_list_start_rubberbanding (icon_list, event->x, event->y); + } + + } + + if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) + { + item = egg_icon_list_get_item_at_pos (icon_list, + event->x, event->y); + + if (item && item == icon_list->priv->last_single_clicked) + { + egg_icon_list_item_activated (icon_list, item); + } + + icon_list->priv->last_single_clicked = NULL; + } + + if (dirty) + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); + + return TRUE; +} + +static gboolean +egg_icon_list_button_release (GtkWidget *widget, + GdkEventButton *event) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (widget); + + if (icon_list->priv->pressed_button == event->button) + icon_list->priv->pressed_button = -1; + + egg_icon_list_stop_rubberbanding (icon_list); + + return TRUE; +} + + +static gboolean +egg_icon_list_key_press (GtkWidget *widget, + GdkEventKey *event) +{ + if ((* GTK_WIDGET_CLASS (parent_class)->key_press_event) (widget, event)) + return TRUE; + + return FALSE; + + if ((event->state & (GDK_CONTROL_MASK | GDK_MOD1_MASK)) == 0) + egg_icon_list_append_typeahead_string (EGG_ICON_LIST (widget), event->string); + + return TRUE; +} + +static void +egg_icon_list_select_first_matching_item (EggIconList *icon_list, + const char *pattern) +{ + GList *items; + + if (pattern == NULL) + return; + + for (items = icon_list->priv->items; items; items = items->next) + { + EggIconListItem *item = items->data; + + if (strncmp (pattern, item->label, strlen (pattern)) == 0) + { + egg_icon_list_select_item (icon_list, item); + break; + } + } +} + +static void +rubberbanding (gpointer data) +{ + EggIconList *icon_list; + gint x, y; + GdkRectangle old_area; + GdkRectangle new_area; + GdkRectangle common; + GdkRegion *common_region; + GdkRegion *invalid_region; + + icon_list = EGG_ICON_LIST (data); + + gdk_window_get_pointer (icon_list->priv->bin_window, &x, &y, NULL); + + x = MAX (x, 0); + y = MAX (y, 0); + + old_area.x = MIN (icon_list->priv->rubberband_x1, + icon_list->priv->rubberband_x2); + old_area.y = MIN (icon_list->priv->rubberband_y1, + icon_list->priv->rubberband_y2); + old_area.width = ABS (icon_list->priv->rubberband_x2 - + icon_list->priv->rubberband_x1) + 1; + old_area.height = ABS (icon_list->priv->rubberband_y2 - + icon_list->priv->rubberband_y1) + 1; + + new_area.x = MIN (icon_list->priv->rubberband_x1, x); + new_area.y = MIN (icon_list->priv->rubberband_y1, y); + new_area.width = ABS (x - icon_list->priv->rubberband_x1) + 1; + new_area.height = ABS (y - icon_list->priv->rubberband_y1) + 1; + + gdk_rectangle_intersect (&old_area, &new_area, &common); + + /* always invalidate border */ + if (common.width > 2) + { + common.width -= 2; + common.x += 1; + } + + if (common.height > 2) + { + common.y += 1; + common.height -= 2; + } + + common_region = gdk_region_rectangle (&common); + + invalid_region = gdk_region_rectangle (&old_area); + gdk_region_union_with_rect (invalid_region, &new_area); + gdk_region_subtract (invalid_region, common_region); + + gdk_window_invalidate_region (icon_list->priv->bin_window, invalid_region, TRUE); + + gdk_region_destroy (common_region); + gdk_region_destroy (invalid_region); + + icon_list->priv->rubberband_x2 = x; + icon_list->priv->rubberband_y2 = y; + + egg_icon_list_update_rubberband_selection (icon_list); +} + +static void +egg_icon_list_start_rubberbanding (EggIconList *icon_list, + gint x, + gint y) +{ + GList *items; + + g_assert (!icon_list->priv->rubberbanding); + + for (items = icon_list->priv->items; items; items = items->next) + { + EggIconListItem *item = items->data; + + item->selected_before_rubberbanding = item->selected; + } + + icon_list->priv->rubberband_x1 = x; + icon_list->priv->rubberband_y1 = y; + icon_list->priv->rubberband_x2 = x; + icon_list->priv->rubberband_y2 = y; + + icon_list->priv->rubberbanding = TRUE; + + gtk_grab_add (GTK_WIDGET (icon_list)); +} + +static void +egg_icon_list_stop_rubberbanding (EggIconList *icon_list) +{ + if (!icon_list->priv->rubberbanding) + return; + + icon_list->priv->rubberbanding = FALSE; + + gtk_grab_remove (GTK_WIDGET (icon_list)); + + gtk_widget_queue_draw (GTK_WIDGET (icon_list)); +} + +static gint +egg_icon_list_sort_func (EggIconListItem *a, + EggIconListItem *b, + EggIconList *icon_list) +{ + gint result; + + result = (* icon_list->priv->sort_func) (icon_list, a, b, + icon_list->priv->sort_data); + + if (icon_list->priv->sort_order == GTK_SORT_DESCENDING) + result = -result; + + return result; +} + +static void +egg_icon_list_insert_item_sorted (EggIconList *icon_list, + EggIconListItem *item) +{ + GList *list; + GList *tmp_list = icon_list->priv->items; + gint cmp; + + egg_icon_list_validate (icon_list); + + list = g_list_alloc (); + item->list = list; + item->icon_list = icon_list; + list->data = item; + + if (!icon_list->priv->items) + { + icon_list->priv->items = list; + icon_list->priv->last_item = list; + icon_list->priv->item_count += 1; + + egg_icon_list_validate (icon_list); + + return; + } + + cmp = egg_icon_list_sort_func (item, tmp_list->data, icon_list); + + while ((tmp_list->next) && (cmp > 0)) + { + tmp_list = tmp_list->next; + cmp = egg_icon_list_sort_func (item, tmp_list->data, icon_list); + } + + if ((!tmp_list->next) && (cmp > 0)) + { + tmp_list->next = list; + list->prev = tmp_list; + icon_list->priv->last_item = list; + icon_list->priv->item_count += 1; + egg_icon_list_validate (icon_list); + + return; + } + + if (tmp_list->prev) + { + tmp_list->prev->next = list; + list->prev = tmp_list->prev; + } + + list->next = tmp_list; + tmp_list->prev = list; + + if (tmp_list == icon_list->priv->items) + icon_list->priv->items = list; + + icon_list->priv->item_count += 1; + egg_icon_list_validate (icon_list); + + egg_icon_list_queue_layout (icon_list); +} + + +static void +egg_icon_list_sort (EggIconList *icon_list) +{ + egg_icon_list_validate (icon_list); + + /* FIXME: We can optimize this */ + icon_list->priv->items = g_list_sort_with_data (icon_list->priv->items, + (GCompareDataFunc)egg_icon_list_sort_func, + icon_list); + icon_list->priv->last_item = g_list_last (icon_list->priv->items); + + egg_icon_list_validate (icon_list); + egg_icon_list_queue_layout (icon_list); +} + + +static void +egg_icon_list_validate (EggIconList *icon_list) +{ +#if 0 + GList *list; + + g_print ("----\n"); + for (list = icon_list->priv->items; list; list = list->next) + { + EggIconListItem *item = list->data; + + g_print ("%s\n", egg_icon_list_item_get_label (item)); + } + g_print ("----\n"); +#endif + + g_assert (g_list_length (icon_list->priv->items) == icon_list->priv->item_count); + g_assert (g_list_last (icon_list->priv->items) == icon_list->priv->last_item); + g_assert (g_list_first (icon_list->priv->last_item) == icon_list->priv->items); +} + +static void +egg_icon_list_update_rubberband_selection (EggIconList *icon_list) +{ + GList *items; + gint x, y, width, height; + gboolean dirty = FALSE; + + x = MIN (icon_list->priv->rubberband_x1, + icon_list->priv->rubberband_x2); + y = MIN (icon_list->priv->rubberband_y1, + icon_list->priv->rubberband_y2); + width = ABS (icon_list->priv->rubberband_x1 - + icon_list->priv->rubberband_x2); + height = ABS (icon_list->priv->rubberband_y1 - + icon_list->priv->rubberband_y2); + + for (items = icon_list->priv->items; items; items = items->next) + { + EggIconListItem *item = items->data; + gboolean is_in; + gboolean selected; + + is_in = egg_icon_list_item_hit_test (item, x, y, width, height); + + selected = is_in ^ item->selected_before_rubberbanding; + + if (item->selected != selected) + { + item->selected = selected; + dirty = TRUE; + egg_icon_list_queue_draw_item (icon_list, item); + } + } + + if (dirty) + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); +} + +static gboolean +egg_icon_list_item_hit_test (EggIconListItem *item, + gint x, + gint y, + gint width, + gint height) +{ + /* First try the pixbuf */ + if (MIN (x + width, item->pixbuf_x + item->pixbuf_width) - MAX (x, item->pixbuf_x) > 0 && + MIN (y + height, item->pixbuf_y + item->pixbuf_height) - MAX (y, item->pixbuf_y) > 0) + return TRUE; + + /* Then try the text */ + if (MIN (x + width, item->layout_x + item->layout_width) - MAX (x, item->layout_x) > 0 && + MIN (y + height, item->layout_y + item->layout_height) - MAX (y, item->layout_y) > 0) + return TRUE; + + return FALSE; +} + +static gboolean +egg_icon_list_maybe_begin_dragging_items (EggIconList *icon_list, + GdkEventMotion *event) +{ + gboolean retval = FALSE; + gint button; + if (icon_list->priv->pressed_button < 0) + return retval; + + if (!gtk_drag_check_threshold (GTK_WIDGET (icon_list), + icon_list->priv->press_start_x, + icon_list->priv->press_start_y, + event->x, event->y)) + return retval; + + button = icon_list->priv->pressed_button; + icon_list->priv->pressed_button = -1; + + { + static GtkTargetEntry row_targets[] = { + { "EGG_ICON_LIST_ITEMS", GTK_TARGET_SAME_APP, 0 } + }; + GtkTargetList *target_list; + GdkDragContext *context; + EggIconListItem *item; + + retval = TRUE; + + target_list = gtk_target_list_new (row_targets, G_N_ELEMENTS (row_targets)); + + context = gtk_drag_begin (GTK_WIDGET (icon_list), + target_list, GDK_ACTION_MOVE, + button, + (GdkEvent *)event); + + item = egg_icon_list_get_item_at_pos (icon_list, + icon_list->priv->press_start_x, + icon_list->priv->press_start_y); + g_assert (item != NULL); + gtk_drag_set_icon_pixbuf (context, egg_icon_list_item_get_icon (item), + event->x - item->x, + event->y - item->y); + } + + return retval; +} + + +static gboolean +egg_icon_list_unselect_all_internal (EggIconList *icon_list, + gboolean emit) +{ + gboolean dirty = FALSE; + GList *items; + + for (items = icon_list->priv->items; items; items = items->next) + { + EggIconListItem *item = items->data; + + if (item->selected) + { + item->selected = FALSE; + dirty = TRUE; + egg_icon_list_queue_draw_item (icon_list, item); + } + } + + if (emit && dirty) + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); + + return dirty; +} + + +/* EggIconList signals */ +static void +egg_icon_list_set_adjustments (EggIconList *icon_list, + GtkAdjustment *hadj, + GtkAdjustment *vadj) +{ + gboolean need_adjust = FALSE; + + if (hadj) + g_return_if_fail (GTK_IS_ADJUSTMENT (hadj)); + else + hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); + if (vadj) + g_return_if_fail (GTK_IS_ADJUSTMENT (vadj)); + else + vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0)); + + if (icon_list->priv->hadjustment && (icon_list->priv->hadjustment != hadj)) + { + g_signal_handlers_disconnect_matched (icon_list->priv->hadjustment, G_SIGNAL_MATCH_DATA, + 0, 0, NULL, NULL, icon_list); + g_object_unref (icon_list->priv->hadjustment); + } + + if (icon_list->priv->vadjustment && (icon_list->priv->vadjustment != vadj)) + { + g_signal_handlers_disconnect_matched (icon_list->priv->vadjustment, G_SIGNAL_MATCH_DATA, + 0, 0, NULL, NULL, icon_list); + g_object_unref (icon_list->priv->vadjustment); + } + + if (icon_list->priv->hadjustment != hadj) + { + icon_list->priv->hadjustment = hadj; + g_object_ref (icon_list->priv->hadjustment); + gtk_object_sink (GTK_OBJECT (icon_list->priv->hadjustment)); + + g_signal_connect (icon_list->priv->hadjustment, "value_changed", + G_CALLBACK (egg_icon_list_adjustment_changed), + icon_list); + need_adjust = TRUE; + } + + if (icon_list->priv->vadjustment != vadj) + { + icon_list->priv->vadjustment = vadj; + g_object_ref (icon_list->priv->vadjustment); + gtk_object_sink (GTK_OBJECT (icon_list->priv->vadjustment)); + + g_signal_connect (icon_list->priv->vadjustment, "value_changed", + G_CALLBACK (egg_icon_list_adjustment_changed), + icon_list); + need_adjust = TRUE; + } + + if (need_adjust) + egg_icon_list_adjustment_changed (NULL, icon_list); +} + +static void +egg_icon_list_real_select_all (EggIconList *icon_list) +{ + if (icon_list->priv->selection_mode != GTK_SELECTION_MULTIPLE) + return; + + egg_icon_list_select_all (icon_list); +} + +static void +egg_icon_list_real_unselect_all (EggIconList *icon_list) +{ + if (icon_list->priv->selection_mode == GTK_SELECTION_BROWSE) + return; + + egg_icon_list_unselect_all (icon_list); +} + +static void +egg_icon_list_real_select_cursor_item (EggIconList *icon_list) +{ + egg_icon_list_unselect_all (icon_list); + + if (icon_list->priv->cursor_item != NULL) + egg_icon_list_select_item (icon_list, icon_list->priv->cursor_item); +} + +static void +egg_icon_list_real_toggle_cursor_item (EggIconList *icon_list) +{ + if (icon_list->priv->selection_mode == GTK_SELECTION_NONE) + return; + + /* FIXME: Use another function here */ + if (icon_list->priv->cursor_item != NULL) + { + if (icon_list->priv->selection_mode == GTK_SELECTION_BROWSE) + icon_list->priv->cursor_item->selected = TRUE; + else + icon_list->priv->cursor_item->selected = !icon_list->priv->cursor_item->selected; + + egg_icon_list_queue_draw_item (icon_list, icon_list->priv->cursor_item); + } +} + +/* Internal functions */ +static void +egg_icon_list_adjustment_changed (GtkAdjustment *adjustment, + EggIconList *icon_list) +{ + if (GTK_WIDGET_REALIZED (icon_list)) + { + gdk_window_move (icon_list->priv->bin_window, + - icon_list->priv->hadjustment->value, + - icon_list->priv->vadjustment->value); + gdk_window_process_updates (icon_list->priv->bin_window, TRUE); + } +} + +static GList * +egg_icon_list_layout_single_row (EggIconList *icon_list, GList *first_item, gint *y, gint *maximum_width) +{ + gint x, current_width, max_height, max_pixbuf_height; + GList *items, *last_item; + gint icon_padding; + gint left_margin, right_margin; + gint maximum_layout_width; + + x = 0; + max_height = 0; + max_pixbuf_height = 0; + items = first_item; + current_width = 0; + + gtk_widget_style_get (GTK_WIDGET (icon_list), + "icon_padding", &icon_padding, + "left_margin", &left_margin, + "right_margin", &right_margin, + NULL); + + x += left_margin; + current_width += left_margin + right_margin; + items = first_item; + + while (items) + { + EggIconListItem *item = items->data; + + egg_icon_list_calculate_item_size (icon_list, item); + + current_width += MAX (item->width, MINIMUM_ICON_ITEM_WIDTH); + + /* Don't add padding to the first or last icon */ + + if (current_width > GTK_WIDGET (icon_list)->allocation.width && + items != first_item) + break; + + maximum_layout_width = MAX (item->pixbuf_width, MINIMUM_ICON_ITEM_WIDTH); + + item->y = *y; + item->x = x; + + if (item->width < MINIMUM_ICON_ITEM_WIDTH) { + item->x += (MINIMUM_ICON_ITEM_WIDTH - item->width) / 2; + x += (MINIMUM_ICON_ITEM_WIDTH - item->width); + } + + item->pixbuf_x = item->x + (item->width - item->pixbuf_width) / 2; + item->layout_x = item->x + (item->width - item->layout_width) / 2; + + x += item->width; + + max_height = MAX (max_height, item->height); + max_pixbuf_height = MAX (max_pixbuf_height, item->pixbuf_height); + + if (current_width > *maximum_width) + *maximum_width = current_width; + + items = items->next; + } + + last_item = items; + + *y += max_height + icon_padding; + + /* Now go through the row again and align the icons */ + for (items = first_item; items != last_item; items = items->next) + { + EggIconListItem *item = items->data; + + item->pixbuf_y = item->y + (max_pixbuf_height - item->pixbuf_height); + item->layout_y = item->pixbuf_y + item->pixbuf_height + ICON_TEXT_PADDING; + + /* Update the bounding box */ + item->y = item->pixbuf_y; + + /* We may want to readjust the new y coordinate. */ + if (item->y + item->height > *y) + *y = item->y + item->height; + } + + return last_item; +} + +static void +egg_icon_list_set_adjustment_upper (GtkAdjustment *adj, + gdouble upper) +{ + if (upper != adj->upper) + { + gdouble min = MAX (0., upper - adj->page_size); + gboolean value_changed = FALSE; + + adj->upper = upper; + + if (adj->value > min) + { + adj->value = min; + value_changed = TRUE; + } + + g_signal_emit_by_name (adj, "changed"); + + if (value_changed) + g_signal_emit_by_name (adj, "value_changed"); + } +} + +static void +egg_icon_list_layout (EggIconList *icon_list) +{ + gint y = 0, maximum_width = 0; + GList *icons; + GtkWidget *widget; + gint top_margin, bottom_margin; + + widget = GTK_WIDGET (icon_list); + icons = icon_list->priv->items; + + gtk_widget_style_get (widget, + "top_margin", &top_margin, + "bottom_margin", &bottom_margin, + NULL); + y += top_margin; + + do + { + icons = egg_icon_list_layout_single_row (icon_list, icons, &y, &maximum_width); + } + while (icons != NULL); + + if (maximum_width != icon_list->priv->width) + { + icon_list->priv->width = maximum_width; + } + + y += bottom_margin; + + if (y != icon_list->priv->height) + { + icon_list->priv->height = y; + } + + egg_icon_list_set_adjustment_upper (icon_list->priv->hadjustment, icon_list->priv->width); + egg_icon_list_set_adjustment_upper (icon_list->priv->vadjustment, icon_list->priv->height); + + if (GTK_WIDGET_REALIZED (icon_list)) + { + gdk_window_resize (icon_list->priv->bin_window, + MAX (icon_list->priv->width, widget->allocation.width), + MAX (icon_list->priv->height, widget->allocation.height)); + } + + if (icon_list->priv->layout_idle_id != 0) + { + g_source_remove (icon_list->priv->layout_idle_id); + icon_list->priv->layout_idle_id = 0; + } + + gtk_widget_queue_draw (GTK_WIDGET (icon_list)); +} + + +static void +egg_icon_list_item_init (EggIconListItem *item) +{ + item->width = -1; + item->height = -1; +} + +static void +egg_icon_list_item_class_init (GObjectClass *klass) +{ + item_parent_class = g_type_class_peek_parent (klass); + + klass->finalize = egg_icon_list_item_finalize;; + klass->set_property = egg_icon_list_item_set_property; + klass->get_property = egg_icon_list_item_get_property; + + /* Properties */ + g_object_class_install_property (klass, + PROP_LABEL, + g_param_spec_string ("label", + _("Icon item label"), + _("The label of the icon item"), + NULL, + G_PARAM_READWRITE)); + +} + +static void +egg_icon_list_item_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ +} + +static void +egg_icon_list_item_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ +} + +static void +egg_icon_list_item_finalize (GObject *object) +{ + EggIconListItem *item; + + item = EGG_ICON_LIST_ITEM (object); + + g_free (item->label); + g_object_unref (item->icon); + + (G_OBJECT_CLASS (parent_class)->finalize) (object); +} + +/* Creates or updates the pango layout and calculates the size */ +static void +egg_icon_list_calculate_item_size (EggIconList *icon_list, EggIconListItem *item) +{ + int layout_width, layout_height; + int maximum_layout_width; + + if (item->width != -1 && item->width != -1) + return; + + item->pixbuf_width = gdk_pixbuf_get_width (item->icon); + item->pixbuf_height = gdk_pixbuf_get_height (item->icon); + + maximum_layout_width = MAX (item->pixbuf_width, MINIMUM_ICON_ITEM_WIDTH); + + pango_layout_set_text (icon_list->priv->layout, item->label, -1); + + pango_layout_set_alignment (icon_list->priv->layout, PANGO_ALIGN_CENTER); + pango_layout_set_width (icon_list->priv->layout, maximum_layout_width * PANGO_SCALE); + + pango_layout_get_pixel_size (icon_list->priv->layout, &layout_width, &layout_height); + + item->width = MAX ((layout_width + 2 * ICON_TEXT_PADDING), item->pixbuf_width); + item->height = layout_height + 2 * ICON_TEXT_PADDING + item->pixbuf_height; + item->layout_width = layout_width; + item->layout_height = layout_height; +} + +static void +egg_icon_list_item_invalidate_size (EggIconListItem *item) +{ + item->width = -1; + item->height = -1; +} + +static GdkPixbuf * +create_colorized_pixbuf (GdkPixbuf *src, GdkColor *new_color) +{ + gint i, j; + gint width, height, has_alpha, src_row_stride, dst_row_stride; + gint red_value, green_value, blue_value; + guchar *target_pixels; + guchar *original_pixels; + guchar *pixsrc; + guchar *pixdest; + GdkPixbuf *dest; + + red_value = new_color->red / 255.0; + green_value = new_color->green / 255.0; + blue_value = new_color->blue / 255.0; + + dest = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (src), + gdk_pixbuf_get_has_alpha (src), + gdk_pixbuf_get_bits_per_sample (src), + gdk_pixbuf_get_width (src), + gdk_pixbuf_get_height (src)); + + has_alpha = gdk_pixbuf_get_has_alpha (src); + width = gdk_pixbuf_get_width (src); + height = gdk_pixbuf_get_height (src); + src_row_stride = gdk_pixbuf_get_rowstride (src); + dst_row_stride = gdk_pixbuf_get_rowstride (dest); + target_pixels = gdk_pixbuf_get_pixels (dest); + original_pixels = gdk_pixbuf_get_pixels (src); + + for (i = 0; i < height; i++) { + pixdest = target_pixels + i*dst_row_stride; + pixsrc = original_pixels + i*src_row_stride; + for (j = 0; j < width; j++) { + *pixdest++ = (*pixsrc++ * red_value) >> 8; + *pixdest++ = (*pixsrc++ * green_value) >> 8; + *pixdest++ = (*pixsrc++ * blue_value) >> 8; + if (has_alpha) { + *pixdest++ = *pixsrc++; + } + } + } + return dest; +} + +static void +egg_icon_list_paint_item (EggIconList *icon_list, + EggIconListItem *item, + GdkRectangle *area) +{ + GdkPixbuf *pixbuf; + GtkStateType state; + + if (GTK_WIDGET_HAS_FOCUS (icon_list)) + state = GTK_STATE_SELECTED; + else + state = GTK_STATE_ACTIVE; + + if (item->selected) + pixbuf = create_colorized_pixbuf (item->icon, + >K_WIDGET (icon_list)->style->base[state]); + else + pixbuf = gdk_pixbuf_ref (item->icon); + + gdk_pixbuf_render_to_drawable_alpha (pixbuf, + icon_list->priv->bin_window, + 0, 0, + item->pixbuf_x, + item->pixbuf_y, + item->pixbuf_width, + item->pixbuf_height, + GDK_PIXBUF_ALPHA_FULL, + 0, + GDK_RGB_DITHER_NORMAL, + item->pixbuf_width, + item->pixbuf_height); + g_object_unref (pixbuf); + + if (item->selected) + { + gdk_draw_rectangle (icon_list->priv->bin_window, + GTK_WIDGET (icon_list)->style->base_gc[state], + TRUE, + item->layout_x - ICON_TEXT_PADDING, + item->layout_y - ICON_TEXT_PADDING, + item->layout_width + 2 * ICON_TEXT_PADDING, + item->layout_height + 2 * ICON_TEXT_PADDING); + } + + pango_layout_set_text (icon_list->priv->layout, item->label, -1); + gdk_draw_layout (icon_list->priv->bin_window, + GTK_WIDGET (icon_list)->style->text_gc[item->selected ? state : GTK_STATE_NORMAL], + item->layout_x - ((item->width - item->layout_width) / 2) - (MAX (item->pixbuf_width, MINIMUM_ICON_ITEM_WIDTH) - item->width) / 2, + item->layout_y, + icon_list->priv->layout); + + if (GTK_WIDGET_HAS_FOCUS (icon_list) && + item == icon_list->priv->cursor_item) + gtk_paint_focus (GTK_WIDGET (icon_list)->style, + icon_list->priv->bin_window, + item->selected ? GTK_STATE_SELECTED : GTK_STATE_NORMAL, + area, + GTK_WIDGET (icon_list), + "iconlist", + item->layout_x - ICON_TEXT_PADDING, + item->layout_y - ICON_TEXT_PADDING, + item->layout_width + 2 * ICON_TEXT_PADDING, + item->layout_height + 2 * ICON_TEXT_PADDING); +} + +static void +egg_icon_list_paint_rubberband (EggIconList *icon_list, + GdkRectangle *area) +{ + GdkRectangle rect; + GdkPixbuf *pixbuf; + GdkGC *gc; + GdkColor color; + GdkRectangle rubber_rect; + + rubber_rect.x = MIN (icon_list->priv->rubberband_x1, icon_list->priv->rubberband_x2); + rubber_rect.y = MIN (icon_list->priv->rubberband_y1, icon_list->priv->rubberband_y2); + rubber_rect.width = ABS (icon_list->priv->rubberband_x1 - icon_list->priv->rubberband_x2) + 1; + rubber_rect.height = ABS (icon_list->priv->rubberband_y1 - icon_list->priv->rubberband_y2) + 1; + + if (!gdk_rectangle_intersect (&rubber_rect, area, &rect)) + return; + + pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, rect.width, rect.height); + gdk_pixbuf_fill (pixbuf, 0x9db8d27F); + + gdk_pixbuf_render_to_drawable_alpha (pixbuf, + icon_list->priv->bin_window, + 0, 0, + rect.x,rect.y, + rect.width, rect.height, + GDK_PIXBUF_ALPHA_FULL, + 0, + GDK_RGB_DITHER_NONE, + 0, 0); + g_object_unref (pixbuf); + gc = gdk_gc_new (icon_list->priv->bin_window); + color.red = 0x72 * 255; + color.green = 0x7d * 255; + color.blue = 0x97 * 255; + gdk_gc_set_rgb_fg_color (gc, &color); + gdk_gc_set_clip_rectangle (gc, &rect); + gdk_draw_rectangle (icon_list->priv->bin_window, + gc, FALSE, + rubber_rect.x, rubber_rect.y, + rubber_rect.width - 1, rubber_rect.height - 1); + g_object_unref (gc); +} + +static void +egg_icon_list_queue_draw_item (EggIconList *icon_list, + EggIconListItem *item) +{ + GdkRectangle rect; + + rect.x = item->x; + rect.y = item->y; + rect.width = item->width; + rect.height = item->height; + + gdk_window_invalidate_rect (icon_list->priv->bin_window, &rect, TRUE); +} + +static gboolean +layout_callback (gpointer user_data) +{ + EggIconList *icon_list; + + icon_list = EGG_ICON_LIST (user_data); + + icon_list->priv->layout_idle_id = 0; + + egg_icon_list_layout (icon_list); + + return FALSE; +} + +static void +egg_icon_list_queue_layout (EggIconList *icon_list) +{ + if (icon_list->priv->layout_idle_id != 0) + return; + + icon_list->priv->layout_idle_id = g_idle_add (layout_callback, icon_list); +} + +static void +egg_icon_list_set_cursor_item (EggIconList *icon_list, + EggIconListItem *item) +{ + if (icon_list->priv->cursor_item == item) + return; + + if (icon_list->priv->cursor_item != NULL) + egg_icon_list_queue_draw_item (icon_list, icon_list->priv->cursor_item); + + icon_list->priv->cursor_item = item; + egg_icon_list_queue_draw_item (icon_list, item); +} + +static void +egg_icon_list_append_typeahead_string (EggIconList *icon_list, + const gchar *string) +{ + int i; + char *typeahead_string; + + if (strlen (string) == 0) + return; + + for (i = 0; i < strlen (string); i++) + { + if (!g_ascii_isprint (string[i])) + return; + } + + typeahead_string = g_strconcat (icon_list->priv->typeahead_string ? + icon_list->priv->typeahead_string : "", + string, NULL); + g_free (icon_list->priv->typeahead_string); + icon_list->priv->typeahead_string = typeahead_string; + + egg_icon_list_select_first_matching_item (icon_list, + icon_list->priv->typeahead_string); + + g_print ("wooo: \"%s\"\n", typeahead_string); +} + +/* Public API */ +GtkWidget * +egg_icon_list_new (void) +{ + EggIconList *icon_list; + + icon_list = g_object_new (EGG_TYPE_ICON_LIST, NULL); + + return GTK_WIDGET (icon_list); +} + +EggIconListItem * +egg_icon_list_item_new (GdkPixbuf *icon, + const char *label) +{ + EggIconListItem *item; + + item = g_object_new (EGG_TYPE_ICON_LIST_ITEM, NULL); + + item->label = g_strdup (label); + item->icon = g_object_ref (icon); + + return item; +} + +void +egg_icon_list_item_set_data (EggIconListItem *item, + gpointer data) +{ + egg_icon_list_item_set_data_full (item, data, NULL); +} + +void +egg_icon_list_item_set_data_full (EggIconListItem *item, + gpointer data, + GDestroyNotify destroy_notify) +{ + g_return_if_fail (GTK_IS_ICON_LIST_ITEM (item)); + + g_object_set_data_full (G_OBJECT (item), ICON_LIST_ITEM_DATA, data, destroy_notify); +} + +gpointer +egg_icon_list_item_get_data (EggIconListItem *item) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST_ITEM (item), NULL); + + return g_object_get_data (G_OBJECT (item), ICON_LIST_ITEM_DATA); +} + +void +egg_icon_list_item_set_label (EggIconListItem *item, + const char *label) +{ + g_return_if_fail (item != NULL); + g_return_if_fail (label != NULL); + + if (strcmp (item->label, label) == 0) + return; + + g_free (item->label); + item->label = g_strdup (label); + egg_icon_list_item_invalidate_size (item); + + egg_icon_list_queue_layout (item->icon_list); + + g_object_notify (G_OBJECT (item), "label"); +} + +G_CONST_RETURN gchar * +egg_icon_list_item_get_label (EggIconListItem *item) +{ + g_return_val_if_fail (item != NULL, NULL); + + return item->label; +} + +void +egg_icon_list_item_set_icon (EggIconListItem *item, + GdkPixbuf *icon) +{ + g_return_if_fail (item != NULL); + + if (icon == item->icon) + return; + + g_object_unref (item->icon); + item->icon = g_object_ref (icon); + + egg_icon_list_item_invalidate_size (item); + + egg_icon_list_queue_layout (item->icon_list); +} + +GdkPixbuf * +egg_icon_list_item_get_icon (EggIconListItem *item) +{ + g_return_val_if_fail (item != NULL, NULL); + + return item->icon; +} + +void +egg_icon_list_append_item (EggIconList *icon_list, + EggIconListItem *item) +{ + GList *list; + + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + g_return_if_fail (item->icon_list == NULL); + + if (icon_list->priv->sorted) + { + egg_icon_list_insert_item_sorted (icon_list, item); + return; + } + + egg_icon_list_validate (icon_list); + + list = g_list_alloc (); + item->list = list; + item->icon_list = icon_list; + list->data = item; + g_object_ref (item); + + if (icon_list->priv->last_item) + { + icon_list->priv->last_item->next = list; + list->prev = icon_list->priv->last_item; + } + else + icon_list->priv->items = list; + + icon_list->priv->last_item = list; + icon_list->priv->item_count += 1; + + egg_icon_list_validate (icon_list); + + g_signal_emit (icon_list, icon_list_signals[ITEM_ADDED], 0, item); + + egg_icon_list_queue_layout (icon_list); +} + +void +egg_icon_list_prepend_item (EggIconList *icon_list, + EggIconListItem *item) +{ + GList *list; + + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + g_return_if_fail (item->icon_list == NULL); + + egg_icon_list_validate (icon_list); + + list = g_list_alloc (); + item->list = list; + item->icon_list = icon_list; + list->data = item; + g_object_ref (item); + + if (icon_list->priv->last_item == NULL) + icon_list->priv->last_item = list; + + if (icon_list->priv->items) + icon_list->priv->items->prev = list; + + list->next = icon_list->priv->items; + icon_list->priv->items = list; + icon_list->priv->item_count += 1; + + egg_icon_list_validate (icon_list); + + g_signal_emit (icon_list, icon_list_signals[ITEM_ADDED], 0, item); + + egg_icon_list_queue_layout (icon_list); + +} + + +void +egg_icon_list_insert_item_before (EggIconList *icon_list, + EggIconListItem *sibling, + EggIconListItem *item) +{ + GList *list; + + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + g_return_if_fail (item->icon_list == NULL); + + if (icon_list->priv->sorted) + { + egg_icon_list_insert_item_sorted (icon_list, item); + return; + } + + if (sibling == NULL) + egg_icon_list_append_item (icon_list, item); + + egg_icon_list_validate (icon_list); + + list = g_list_alloc (); + item->list = list; + item->icon_list = icon_list; + list->data = item; + g_object_ref (item); + + list->prev = sibling->list->prev; + list->next = sibling->list; + sibling->list->prev->next = list; + sibling->list->prev = list; + + if (sibling->list == icon_list->priv->items) + icon_list->priv->items = list; + + icon_list->priv->item_count += 1; + egg_icon_list_validate (icon_list); + + g_signal_emit (icon_list, icon_list_signals[ITEM_ADDED], 0, item); + + egg_icon_list_queue_layout (icon_list); +} + +void +egg_icon_list_insert_item_after (EggIconList *icon_list, + EggIconListItem *sibling, + EggIconListItem *item) +{ + GList *list; + + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + g_return_if_fail (item->icon_list == NULL); + + if (icon_list->priv->sorted) + { + egg_icon_list_insert_item_sorted (icon_list, item); + return; + } + + if (sibling == NULL) + { + egg_icon_list_prepend_item (icon_list, item); + return; + } + + egg_icon_list_validate (icon_list); + + list = g_list_alloc (); + item->list = list; + item->icon_list = icon_list; + list->data = item; + g_object_ref (item); + + list->next = sibling->list->next; + list->prev = sibling->list; + sibling->list->next->prev = list; + sibling->list->next = list; + + if (sibling->list == icon_list->priv->last_item) + icon_list->priv->last_item = list; + + icon_list->priv->item_count += 1; + egg_icon_list_validate (icon_list); + g_signal_emit (icon_list, icon_list_signals[ITEM_ADDED], 0, item); + + egg_icon_list_queue_layout (icon_list); +} + +void +egg_icon_list_remove_item (EggIconList *icon_list, + EggIconListItem *item) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + g_return_if_fail (item->icon_list == icon_list); + + egg_icon_list_validate (icon_list); + + if (item->list->prev) + item->list->prev->next = item->list->next; + if (item->list->next) + item->list->next->prev = item->list->prev; + + if (item->list == icon_list->priv->items) + icon_list->priv->items = item->list->next; + if (item->list == icon_list->priv->last_item) + icon_list->priv->last_item = item->list->prev; + + g_list_free_1 (item->list); + item->list = NULL; + item->icon_list = NULL; + egg_icon_list_item_invalidate_size (item); + + icon_list->priv->item_count -= 1; + egg_icon_list_validate (icon_list); + + g_signal_emit (icon_list, icon_list_signals[ITEM_REMOVED], 0, item); + + if (item->selected) + { + item->selected = FALSE; + + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); + } + + if (icon_list->priv->cursor_item == item) + g_error ("FIXME: Move to first focused item"); + + if (icon_list->priv->last_single_clicked == item) + icon_list->priv->last_single_clicked = NULL; + + g_object_unref (item); + + egg_icon_list_queue_layout (icon_list); +} + + +EggIconListItem * +egg_icon_list_get_item_at_pos (EggIconList *icon_list, + gint x, + gint y) +{ + GList *items; + + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), NULL); + + for (items = icon_list->priv->items; items; items = items->next) + { + EggIconListItem *item = items->data; + + if (x > item->x && x < item->x + item->width && + y > item->y && y < item->y + item->height) + { + gint layout_x = item->x + (item->width - item->layout_width) / 2; + /* Check if the mouse is inside the icon or the label */ + if ((x > item->pixbuf_x && x < item->pixbuf_x + item->pixbuf_width && + y > item->pixbuf_y && y < item->pixbuf_y + item->pixbuf_height) || + (x > layout_x - ICON_TEXT_PADDING && + x < layout_x + item->layout_width + ICON_TEXT_PADDING * 2 && + y > item->layout_y - ICON_TEXT_PADDING + && y < item->layout_y + item->layout_height + ICON_TEXT_PADDING * 2)) + return item; + } + } + + return NULL; +} + +gint +egg_icon_list_get_item_count (EggIconList *icon_list) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), 0); + + return icon_list->priv->item_count; +} + +void +egg_icon_list_foreach (EggIconList *icon_list, + EggIconListForeachFunc func, + gpointer data) +{ + GList *list; + + for (list = icon_list->priv->items; list; list = list->next) + (* func) (icon_list, list->data, data); +} + +void +egg_icon_list_selected_foreach (EggIconList *icon_list, + EggIconListForeachFunc func, + gpointer data) +{ + GList *list; + + for (list = icon_list->priv->items; list; list = list->next) + { + EggIconListItem *item = list->data; + + if (item->selected) + (* func) (icon_list, list->data, data); + } +} + +GList * +egg_icon_list_get_selected (EggIconList *icon_list) +{ + GList *list, *selected = NULL; + + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), NULL); + + for (list = icon_list->priv->items; list; list = list->next) + { + EggIconListItem *item = list->data; + + if (item->selected) + selected = g_list_prepend (selected, item); + } + + return g_list_reverse (selected); +} + +void +egg_icon_list_set_selection_mode (EggIconList *icon_list, + GtkSelectionMode mode) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + + if (mode == icon_list->priv->selection_mode) + return; + + if (mode == GTK_SELECTION_NONE || + icon_list->priv->selection_mode == GTK_SELECTION_MULTIPLE) + egg_icon_list_unselect_all (icon_list); + + icon_list->priv->selection_mode = mode; + + g_object_notify (G_OBJECT (icon_list), "selection_mode"); +} + +GtkSelectionMode +egg_icon_list_get_selection_mode (EggIconList *icon_list) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), GTK_SELECTION_SINGLE); + + return icon_list->priv->selection_mode; +} + +void +egg_icon_list_select_item (EggIconList *icon_list, + EggIconListItem *item) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + + if (item->selected) + return; + + if (icon_list->priv->selection_mode == GTK_SELECTION_NONE) + return; + else if (icon_list->priv->selection_mode != GTK_SELECTION_MULTIPLE) + egg_icon_list_unselect_all_internal (icon_list, FALSE); + + item->selected = TRUE; + + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); + + egg_icon_list_queue_draw_item (icon_list, item); +} + + +void +egg_icon_list_unselect_item (EggIconList *icon_list, + EggIconListItem *item) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (item != NULL); + + if (!item->selected) + return; + + if (icon_list->priv->selection_mode == GTK_SELECTION_NONE || + icon_list->priv->selection_mode == GTK_SELECTION_BROWSE) + return; + + item->selected = FALSE; + + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); + + egg_icon_list_queue_draw_item (icon_list, item); +} + +gboolean +egg_icon_list_item_is_selected (EggIconListItem *item) +{ + g_return_val_if_fail (item != NULL, FALSE); + + return item->selected; +} + +void +egg_icon_list_unselect_all (EggIconList *icon_list) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + + egg_icon_list_unselect_all_internal (icon_list, TRUE); +} + +void +egg_icon_list_select_all (EggIconList *icon_list) +{ + GList *items; + gboolean dirty = FALSE; + + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + + for (items = icon_list->priv->items; items; items = items->next) + { + EggIconListItem *item = items->data; + + if (!item->selected) + { + dirty = TRUE; + item->selected = TRUE; + egg_icon_list_queue_draw_item (icon_list, item); + } + } + + if (dirty) + g_signal_emit (icon_list, icon_list_signals[SELECTION_CHANGED], 0); +} + +void +egg_icon_list_set_sorted (EggIconList *icon_list, + gboolean sorted) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (icon_list->priv->sort_func != NULL); + + if (icon_list->priv->sorted == sorted) + return; + + icon_list->priv->sorted = sorted; + g_object_notify (G_OBJECT (icon_list), "sorted"); + + if (icon_list->priv->sorted) + egg_icon_list_sort (icon_list); +} + +gboolean +egg_icon_list_get_sorted (EggIconList *icon_list) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), FALSE); + + return icon_list->priv->sorted; +} + +void +egg_icon_list_set_sort_func (EggIconList *icon_list, + EggIconListItemCompareFunc func, + gpointer data, + GDestroyNotify destroy_notify) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + g_return_if_fail (func != NULL); + + if (icon_list->priv->sort_destroy_notify && + icon_list->priv->sort_data) + (* icon_list->priv->sort_destroy_notify) (icon_list->priv->sort_data); + + icon_list->priv->sort_func = func; + icon_list->priv->sort_data = data; + icon_list->priv->sort_destroy_notify = destroy_notify; +} + +void +egg_icon_list_set_sort_order (EggIconList *icon_list, + GtkSortType order) +{ + g_return_if_fail (GTK_IS_ICON_LIST (icon_list)); + + if (icon_list->priv->sort_order == order) + return; + + icon_list->priv->sort_order = order; + + if (icon_list->priv->sorted) + egg_icon_list_sort (icon_list); + + g_object_notify (G_OBJECT (icon_list), "sort_order"); +} + +GtkSortType +egg_icon_list_get_sort_order (EggIconList *icon_list) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), GTK_SORT_ASCENDING); + + return icon_list->priv->sort_order; +} + +void +egg_icon_list_item_activated (EggIconList *icon_list, + EggIconListItem *item) +{ + g_signal_emit (G_OBJECT (icon_list), icon_list_signals[ITEM_ACTIVATED], 0, item); +} + +GList * +egg_icon_list_get_items (EggIconList *icon_list) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST (icon_list), NULL); + + return icon_list->priv->items; +} + +EggIconList * +egg_icon_list_item_get_icon_list (EggIconListItem *item) +{ + g_return_val_if_fail (GTK_IS_ICON_LIST_ITEM (item), NULL); + + return item->icon_list; +} |