ptk-icon-view.c

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static void ptk_icon_view_drag_data_delete ( GtkWidget *widget,
                                             GdkDragContext *context );

/* Target side drag signals */
static void ptk_icon_view_drag_leave ( GtkWidget *widget,
                                       GdkDragContext *context,
                                       guint time );
static gboolean ptk_icon_view_drag_motion ( GtkWidget *widget,
                                            GdkDragContext *context,
                                            gint x,
                                            gint y,
                                            guint time );
static gboolean ptk_icon_view_drag_drop ( GtkWidget *widget,
                                          GdkDragContext *context,
                                          gint x,
                                          gint y,
                                          guint time );
static void ptk_icon_view_drag_data_received ( GtkWidget *widget,
                                               GdkDragContext *context,
                                               gint x,
                                               gint y,
                                               GtkSelectionData *selection_data,
                                               guint info,
                                               guint time );
static gboolean ptk_icon_view_maybe_begin_drag ( PtkIconView *icon_view,
                                                 GdkEventMotion *event );

static void remove_scroll_timeout ( PtkIconView *icon_view );



/* interactive search */
static void ptk_icon_view_ensure_interactive_directory ( PtkIconView *icon_view );
static void send_focus_change ( GtkWidget *widget, gboolean in );

static void ptk_icon_view_search_dialog_hide ( GtkWidget *search_dialog,
                                               PtkIconView *icon_view );
static void ptk_icon_view_search_position_func ( PtkIconView *icon_view,
                                                 GtkWidget *search_dialog );
static void ptk_icon_view_search_disable_popdown ( GtkEntry *entry,
                                                   GtkMenu *menu,
                                                   gpointer data );
static void ptk_icon_view_search_preedit_changed ( GtkIMContext *im_context,
                                                   PtkIconView *icon_view );
static void ptk_icon_view_search_activate ( GtkEntry *entry,
                                            PtkIconView *icon_view );
static gboolean ptk_icon_view_real_search_enable_popdown( gpointer data );
static void ptk_icon_view_search_enable_popdown ( GtkWidget *widget,
                                                  gpointer data );
static gboolean ptk_icon_view_search_delete_event ( GtkWidget *widget,
                                                    GdkEventAny *event,
                                                    PtkIconView *icon_view );
static gboolean ptk_icon_view_search_button_press_event ( GtkWidget *widget,
                                                          GdkEventButton *event,
                                                          PtkIconView *icon_view );
static gboolean ptk_icon_view_search_scroll_event ( GtkWidget *entry,
                                                    GdkEventScroll *event,
                                                    PtkIconView *icon_view );
static gboolean ptk_icon_view_search_key_press_event ( GtkWidget *entry,
                                                       GdkEventKey *event,
                                                       PtkIconView *icon_view );
static void ptk_icon_view_search_move ( GtkWidget *window,
                                        PtkIconView *icon_view,
                                        gboolean up );
static gboolean ptk_icon_view_search_equal_func ( GtkTreeModel *model,
                                                  gint column,
                                                  const gchar *key,
                                                  GtkTreeIter *iter,
                                                  gpointer search_data );
static gboolean ptk_icon_view_search_iter ( PtkIconView *icon_view,
                                            GtkTreeIter *iter,
                                            const gchar *text,
                                            gint *count,
                                            gint n );
static void ptk_icon_view_search_init ( GtkWidget *entry,
                                        PtkIconView *icon_view );


struct _PtkIconViewCellInfo
{
    GtkCellRenderer *cell;
guint expand :
    1;
guint pack :
    1;
guint editing :
    1;
    gint position;
    GSList *attributes;
    GtkCellLayoutDataFunc func;
    gpointer func_data;
    GDestroyNotify destroy;
};

struct _PtkIconViewChild
{
    PtkIconViewItem *item;
    GtkWidget *widget;
    gint cell;
};

struct _PtkIconViewItem
{
    GtkTreeIter iter;
    gint index;

    gint row, col;

    /* Bounding box */
    GdkRectangle area;

    /* Individual cells.
     * box[i] is the actual area occupied by cell i,
     * before, after are used to calculate the cell
     * area relative to the box.
     * See ptk_icon_view_get_cell_area().
     */
    gint n_cells;
    GdkRectangle *box;
    gint *before;
    gint *after;

guint selected :
    1;
guint selected_before_rubberbanding :
    1;
};

typedef void ( *PtkIconViewSearchDialogPositionFunc ) ( PtkIconView *icon_view,
                                                        GtkWidget *search_dialog );

struct _PtkIconViewPrivate
{
    gint width, height;
    GtkSelectionMode selection_mode;
    GdkWindow *bin_window;
    GList *children;
    GtkTreeModel *model;
#if ! GLIB_CHECK_VERSION(2, 10, 0)
    GMemChunk *items_chunk;
#endif

    GList *items;

    GtkAdjustment *hadjustment;
    GtkAdjustment *vadjustment;

    gint layout_idle_id;

    gboolean doing_rubberband;
    gint rubberband_x1, rubberband_y1;
    gint rubberband_x2, rubberband_y2;
    GdkGC *rubberband_border_gc;
    GdkGC *rubberband_fill_gc;

    gint scroll_timeout_id;
    gint scroll_value_diff;
    gint event_last_x, event_last_y;

    PtkIconViewItem *anchor_item;
    PtkIconViewItem *cursor_item;
    PtkIconViewItem *edited_item;
    GtkCellEditable *editable;
    PtkIconViewItem *prelit_item;

    PtkIconViewItem *last_single_clicked;

    GList *cell_list;
    guint n_cells;

    gint cursor_cell;

    GtkOrientation orientation;

    gint columns;
    gint item_width;
    gint spacing;
    gint row_spacing;
    gint column_spacing;
    gint margin;

    gint text_column;
    gint markup_column;
    gint pixbuf_column;

    gint pixbuf_cell;
    gint text_cell;

    /* Drag-and-drop. */
    GdkModifierType start_button_mask;
    gint pressed_button;
    gint press_start_x;
    gint press_start_y;

    GtkTargetList *source_targets;
    GdkDragAction source_actions;

    GtkTargetList *dest_targets;
    GdkDragAction dest_actions;

    GtkTreeRowReference *dest_item;
    PtkIconViewDropPosition dest_pos;

guint source_set :
    1;
guint dest_set :
    1;
guint reorderable :
    1;
guint empty_view_drop :
    1;

guint ctrl_pressed :
    1;
guint shift_pressed :
    1;

    /* interactive search */
guint enable_search :
    1;
guint disable_popdown :
    1;
guint hover_selection :
    1;
guint hover_expand :
    1;
guint imcontext_changed :
    1;

    gint selected_iter;
    gint search_column;
    PtkIconViewSearchDialogPositionFunc search_dialog_position_func;
    PtkIconViewSearchEqualFunc search_equal_func;
    gpointer search_user_data;
    GtkDestroyNotify search_destroy;
    GtkWidget *search_window;
    GtkWidget *search_entry;
    guint search_entry_changed_id;
    guint typeselect_flush_timeout;

    /* PtkIconViewFlags */
    guint flags;

    /* background pixmap */
    GdkPixmap* pixmap;
    int pixmap_x_offset;
    int pixmap_y_offset;
};



static GObjectClass *ptk_icon_view_parent_class;
static guint icon_view_signals[ LAST_SIGNAL ];



GType
ptk_icon_view_get_type ( void )
{
    static GType type = G_TYPE_INVALID;

    if ( G_UNLIKELY ( type == G_TYPE_INVALID ) )
    {
        static const GTypeInfo info =
            {
                sizeof ( PtkIconViewClass ),
                NULL,
                NULL,
                ( GClassInitFunc ) ptk_icon_view_class_init,
                NULL,
                NULL,
                sizeof ( PtkIconView ),
                0,
                ( GInstanceInitFunc ) ptk_icon_view_init,
                NULL,
            };

        static const GInterfaceInfo cell_layout_info =
            {
                ( GInterfaceInitFunc ) ptk_icon_view_cell_layout_init,
                NULL,
                NULL,
            };

        type = g_type_register_static ( GTK_TYPE_CONTAINER, I_( "PtkIconView" ), &info, 0 );
        g_type_add_interface_static ( type, GTK_TYPE_CELL_LAYOUT, &cell_layout_info );
    }

    return type;
}



static void
ptk_icon_view_class_init ( PtkIconViewClass *klass )
{
    GtkContainerClass * gtkcontainer_class;
    GtkWidgetClass *gtkwidget_class;
    GtkBindingSet *gtkbinding_set;
    GObjectClass *gobject_class;

    gtkbinding_set = gtk_binding_set_by_class ( klass );

    g_type_class_add_private ( klass, sizeof ( PtkIconViewPrivate ) );

    ptk_icon_view_parent_class = g_type_class_peek_parent ( klass );

    gobject_class = G_OBJECT_CLASS ( klass );
    gobject_class->dispose = ptk_icon_view_dispose;
    gobject_class->finalize = ptk_icon_view_finalize;
    gobject_class->set_property = ptk_icon_view_set_property;
    gobject_class->get_property = ptk_icon_view_get_property;

    gtkwidget_class = GTK_WIDGET_CLASS ( klass );
    gtkwidget_class->realize = ptk_icon_view_realize;
    gtkwidget_class->unrealize = ptk_icon_view_unrealize;
    gtkwidget_class->size_request = ptk_icon_view_size_request;
    gtkwidget_class->size_allocate = ptk_icon_view_size_allocate;
    gtkwidget_class->style_set = ptk_icon_view_style_set;