diff options
Diffstat (limited to 'widgets/table/e-table-item.c')
| -rw-r--r-- | widgets/table/e-table-item.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/widgets/table/e-table-item.c b/widgets/table/e-table-item.c new file mode 100644 index 0000000000..6399f252b2 --- /dev/null +++ b/widgets/table/e-table-item.c @@ -0,0 +1,248 @@ +/* + * E-table-item.c: A view of a Table. + * + * Author: + * Miguel de Icaza (miguel@gnu.org) + * + * Copyright 1999, Helix Code, Inc. + */ +#include <config.h> +#include "e-table-item.h" + +#define PARENT_OBJECT_TYPE gnome_canvas_item_get_type () + +static GnomeCanvasItemClass *eti_parent_class; + +enum { + ARG_0, + ARG_TABLE_HEADER, + ARG_TABLE_MODEL, + ARG_TABLE_X, + ARG_TABLE_Y, +}; + +static void +eti_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags) +{ + ETableItem *eti = E_TABLE_ITEM (item); + + if (GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update) + (*GNOME_CANVAS_ITEM_CLASS (eti_parent_class)->update)(item, affine, clip_path, flags); + + item->x1 = eti->x1; + item->y1 = eti->y1; + item->x2 = INT_MAX; + item->y2 = eti->x1 + eti->height; + + gnome_canvas_group_child_bounds (GNOME_CANVAS_GROUP (item->parent), item); +} + +static void +eti_remove_table_model (ETableItem *eti) +{ + if (!eti->table_model) + return; + + gtk_signal_disconnect (eti->table_model_change_id); + gtk_object_unref (GTK_OBJECT (eti->table_model)); + + eti->table_model_change_id = 0; + eti->table_model = NULL; +} + +static void +eti_remove_header_model (ETableItem *eti) +{ + if (!eti->header) + return; + + gtk_signal_disconnect (eti->header_structure_change_id); + gtk_signal_disconnect (eti->header_dim_change_id); + gtk_object_unref (GTK_OBJECT (eti->header)); + + eti->header_structure_change_id = 0; + eti->header_dim_change_id = 0; + eti->header = NULL; +} + +static void +eti_table_model_changed (ETableModel *table_model, ETableItem *eti) +{ + eti->height = e_table_model_height (eti->table_model); + + eti_update (GNOME_CANVAS_ITEM (eti), NULL, NULL, 0); +} + +static void +eti_add_table_model (ETableItem *eti, ETableModel *table_model) +{ + g_assert (eti->table_model == NULL); + + eti->table_model = table_model; + gtk_object_ref (GTK_OBJECT (table_model)); + eti->table_model_change_id = gtk_signal_connect ( + GTK_OBJECT (table_model), "model_changed", + GTK_SIGNAL_FUNC (eti_table_model_changed), eti); +} + +static void +eti_header_dim_changed (ETableHeader *eth, int col, ETableItem *eti) +{ + printf ("NOTIFY: Dimension changed"); +} + +static void +eti_header_structure_changed (ETableHeader *eth, ETableItem *eti) +{ + printf ("NOTIFY: Structure changed"); +} + +static void +eti_add_header_model (ETableItem *eti, ETableHeader *header) +{ + g_assert (eti->header == NULL); + + eti->header = header; + gtk_object_ref (GTK_OBJECT (header)); + + eti->header_dim_change_id = gtk_signal_connect ( + GTK_OBJECT (header), "dimension_change", + GTK_SIGNAL_FUNC (eti_header_dim_changed), eti); + + eti->header_structure_change_id = gtk_signal_connect ( + GTK_OBJECT (header), "structure_changed", + GTK_SIGNAL_FUNC (eti_header_structure_changed), eti); +} + +static void +eti_destroy (GtkObject *object) +{ + ETableItem *eti = E_TABLE_ITEM (object); + + eti_remove_header_model (eti); + eti_remove_table_model (eti); + + if (GTK_OBJECT_CLASS (eti_parent_class)->destroy) + (*GTK_OBJECT_CLASS (eti_parent_class)->destroy) (object); +} + +static void +eti_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) +{ + GnomeCanvasItem *item; + ETableItem *eti; + int v; + + item = GNOME_CANVAS_ITEM (o); + eti = E_TABLE_ITEM (o); + + switch (arg_id){ + case ARG_TABLE_HEADER: + eti->header = GTK_VALUE_POINTER (*arg); + gtk_object_ref (GTK_OBJECT (eti->header)); + break; + + case ARG_TABLE_MODEL: + eti_remove_table_model (eti); + eti->height = e_table_model_height (eti->table_model); + break; + + case ARG_TABLE_X: + eti->x1 = GTK_VALUE_INT (*arg); + break; + + case ARG_TABLE_Y: + eti->y1 = GTK_VALUE_INT (*arg); + break; + + } + eti_update (item, NULL, NULL, 0); +} + +static void +eti_init (GnomeCanvasItem *item) +{ + ETableItem *eti = E_TABLE_ITEM (item); +} + +static void +eti_realize (GnomeCanvasItem *item) +{ +} + +static void +eti_unrealize (GnomeCanvasItem *item) +{ +} + +static void +eti_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x1, int y1, int width, int height) +{ + +} + +static double +eti_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, + GnomeCanvasItem **actual_item) +{ + *actual_item = item; + + return 0.0; +} + +static int +eti_event (GnomeCanvasItem *item, GdkEvent *e) +{ + return FALSE; +} + +static void +eti_class_init (GtkObjectClass *object_class) +{ + GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class; + + eti_parent_class = gtk_type_class (PARENT_OBJECT_TYPE); + + object_class->destroy = eti_destroy; + object_class->set_arg = eti_set_arg; + + item_class->update = eti_update; + item_class->realize = eti_realize; + item_class->unrealize = eti_unrealize; + item_class->draw = eti_draw; + item_class->point = eti_point; + item_class->event = eti_event; + + gtk_object_add_arg_type ("ETableHeaderItem::ETableHeader", GTK_TYPE_POINTER, + GTK_ARG_WRITABLE, ARG_TABLE_HEADER); + gtk_object_add_arg_type ("ETableHeaderItem::ETableModel", GTK_TYPE_POINTER, + GTK_ARG_WRITABLE, ARG_TABLE_MODEL); + gtk_object_add_arg_type ("ETableHeaderItem::x", GTK_TYPE_INT, + GTK_ARG_WRITABLE, ARG_TABLE_X); + gtk_object_add_arg_type ("ETableHeaderItem::y", GTK_TYPE_INT, + GTK_ARG_WRITABLE, ARG_TABLE_Y); +} + +GtkType +e_table_item_get_type (void) +{ + static GtkType type = 0; + + if (!type){ + GtkTypeInfo info = { + "ETableItem", + sizeof (ETableItem), + sizeof (ETableItemClass), + (GtkClassInitFunc) eti_class_init, + (GtkObjectInitFunc) eti_init, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + type = gtk_type_unique (PARENT_OBJECT_TYPE, &info); + } + + return type; +} + |