+++ /dev/null
-/* GSheetRow --- an abstract model of the row geometry of a
- * GSheet widget.
- * Copyright (C) 2006 Free Software Foundation
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <config.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <glib.h>
-#include <glib/gprintf.h>
-#include <gobject/gvaluecollector.h>
-#include "gsheet-row-iface.h"
-#include "gtkextra-marshal.h"
-
-
-enum {
- ROWS_CHANGED,
- LAST_SIGNAL
-};
-
-static guint sheet_row_signals[LAST_SIGNAL];
-
-
-
-static void g_sheet_row_base_init (gpointer g_class);
-
-
-GType
-g_sheet_row_get_type (void)
-{
- static GType sheet_row_type = 0;
-
- if (! sheet_row_type)
- {
- static const GTypeInfo sheet_row_info =
-
- {
- sizeof (GSheetRowIface), /* class_size */
- g_sheet_row_base_init, /* base_init */
- NULL, /* base_finalize */
- NULL,
- NULL, /* class_finalize */
- NULL, /* class_data */
- 0,
- 0, /* n_preallocs */
- NULL
- };
-
- sheet_row_type =
- g_type_register_static (G_TYPE_INTERFACE, "GSheetRow",
- &sheet_row_info, 0);
-
- g_type_interface_add_prerequisite (sheet_row_type, G_TYPE_OBJECT);
- }
-
- return sheet_row_type;
-}
-
-
-static GtkSheetButton default_button;
-
-static void
-g_sheet_row_base_init (gpointer g_class)
-{
- static gboolean initialized = FALSE;
-
- if (! initialized)
- {
-
- sheet_row_signals[ROWS_CHANGED] =
- g_signal_new ("rows_changed",
- G_TYPE_SHEET_ROW,
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GSheetRowIface, rows_changed),
- NULL, NULL,
- gtkextra_VOID__INT_INT,
- G_TYPE_NONE, 2,
- G_TYPE_INT,
- G_TYPE_INT);
-
-
- default_button.state = GTK_STATE_NORMAL;
- default_button.label = NULL;
- default_button.label_visible = TRUE;
- default_button.justification = GTK_JUSTIFY_FILL;
-
- initialized = TRUE;
- }
-}
-
-void
-g_sheet_row_set_height (GSheetRow *row_geo,
- glong row, gint size)
-{
- g_return_if_fail (G_IS_SHEET_ROW (row_geo));
-
- if ((G_SHEET_ROW_GET_IFACE (row_geo)->set_height) )
- (G_SHEET_ROW_GET_IFACE (row_geo)->set_height) (row_geo, row,
- size);
-}
-
-
-gint
-g_sheet_row_get_height (const GSheetRow *row_geo,
- glong row)
-{
- g_return_val_if_fail (G_IS_SHEET_ROW (row_geo), -1);
-
- g_assert (G_SHEET_ROW_GET_IFACE (row_geo)->get_height);
-
- return (G_SHEET_ROW_GET_IFACE (row_geo)->get_height) (row_geo, row);
-}
-
-
-
-gboolean
-g_sheet_row_get_sensitivity (const GSheetRow *row_geo,
- glong row)
-{
- g_return_val_if_fail (G_IS_SHEET_ROW (row_geo), FALSE);
-
- g_assert (G_SHEET_ROW_GET_IFACE (row_geo)->get_sensitivity);
-
- return (G_SHEET_ROW_GET_IFACE (row_geo)->get_sensitivity) (row_geo,
- row);
-}
-
-
-GtkSheetButton *
-g_sheet_row_get_button (const GSheetRow *row_geo,
- glong row)
-{
- GtkSheetButton *button = gtk_sheet_button_new ();
-
- GSheetRowIface *iface = G_SHEET_ROW_GET_IFACE (row_geo);
-
- g_return_val_if_fail (G_IS_SHEET_ROW (row_geo), FALSE);
-
- if ( iface->get_button_label)
- button->label = iface->get_button_label (row_geo, row);
-
- return button;
-}
-
-gchar *
-g_sheet_row_get_subtitle (const GSheetRow *row_geo, glong row)
-{
- g_return_val_if_fail (G_IS_SHEET_ROW (row_geo), NULL);
-
- if ( ! G_SHEET_ROW_GET_IFACE (row_geo)->get_subtitle )
- return NULL;
-
- return (G_SHEET_ROW_GET_IFACE (row_geo)->get_subtitle) (row_geo, row);
-}
-
-
-
-
-glong
-g_sheet_row_get_row_count (const GSheetRow *geo)
-{
- g_return_val_if_fail (G_IS_SHEET_ROW (geo), -1);
-
- g_assert ( G_SHEET_ROW_GET_IFACE (geo)->get_row_count);
-
- return (G_SHEET_ROW_GET_IFACE (geo)->get_row_count) (geo);
-}
-
-/**
- * g_sheet_row_start_pixel:
- * @geo: the row model
- * @row: the row number
- * @sheet: pointer to the sheet
- *
- * Returns the top y pixel for ROW.
- * ROW may point to the row BELOW the last row, in which case it should
- * return the position where it would start if it existed.
- * Instances may override this method in order to achieve time and/or memory
- * optmisation.
- *
- * Returns: the y coordinate of the top of the row.
- */
-
-gint
-g_sheet_row_start_pixel (const GSheetRow *geo, glong row)
-{
- gint i;
- gint start_pixel = 0;
-
- g_return_val_if_fail (G_IS_SHEET_ROW (geo), -1);
- g_return_val_if_fail (row >= 0, -1);
- g_return_val_if_fail (row <= g_sheet_row_get_row_count (geo), -1);
-
- if ( G_SHEET_ROW_GET_IFACE (geo)->top_ypixel)
- return (G_SHEET_ROW_GET_IFACE (geo)->top_ypixel)(geo, row);
-
- for (i = 0; i < row; ++i)
- {
- start_pixel += g_sheet_row_get_height (geo, i);
- }
-
- return start_pixel;
-}
-
-
-glong
-g_sheet_row_pixel_to_row (const GSheetRow *geo, gint pixel)
-{
- gint i, cy;
- g_return_val_if_fail (G_IS_SHEET_ROW (geo), -1);
- g_return_val_if_fail (pixel >= 0, -1) ;
-
- if ( G_SHEET_ROW_GET_IFACE (geo)->pixel_to_row)
- return (G_SHEET_ROW_GET_IFACE (geo)->pixel_to_row)(geo, pixel);
-
- cy = 0;
- for (i = 0; i < g_sheet_row_get_row_count (geo); ++i )
- {
- if (pixel >= cy &&
- pixel <= (cy + g_sheet_row_get_height (geo, i)))
- return i;
-
- cy += g_sheet_row_get_height (geo, i);
- }
-
- /* no match */
- return g_sheet_row_get_row_count (geo) - 1;
-}
-
-
-
-void
-g_sheet_row_rows_deleted (GSheetRow *geo,
- glong first, glong n_rows)
-{
- g_return_if_fail (G_IS_SHEET_ROW (geo));
-
- g_signal_emit (geo, sheet_row_signals[ROWS_CHANGED], 0,
- first, n_rows);
-}
projects / pspp-builds.git / blobdiff