src/gnm-cell-combo.c

   1 /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * gnm-cell-combo.c: Base class the models of in cell combos (e.g. validation and sheetslicer)
   4  *
   5  * Copyright (C) Jody Goldberg <jody@gnome.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, see <https://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <gnumeric-config.h>
  22 #include "gnumeric.h"
  23 #include "gnm-cell-combo.h"
  24 #include "sheet-view.h"
  25
  26 #include <gsf/gsf-impl-utils.h>
  27
  28 enum {
  29         PROP_0,
  30         PROP_SV,
  31 };
  32
  33 static GObjectClass *gcc_parent_klass;
  34
  35 static void
  36 gnm_cell_combo_set_sv (GnmCellCombo *ccombo, SheetView *sv)
  37 {
  38         if (ccombo->sv == sv)
  39                 return;
  40
  41         if (NULL != ccombo->sv)
  42                 gnm_sheet_view_weak_unref (&ccombo->sv);
  43
  44         ccombo->sv = sv;
  45         if (sv)
  46                 gnm_sheet_view_weak_ref (sv, &ccombo->sv);
  47 }
  48
  49 static void
  50 gnm_cell_combo_finalize (GObject *object)
  51 {
  52         GnmCellCombo *ccombo = GNM_CELL_COMBO (object);
  53         gnm_cell_combo_set_sv (ccombo, NULL);
  54         gcc_parent_klass->finalize (object);
  55 }
  56
  57 static void
  58 gnm_cell_combo_dispose (GObject *object)
  59 {
  60         GnmCellCombo *ccombo = GNM_CELL_COMBO (object);
  61         gnm_cell_combo_set_sv (ccombo, NULL);
  62         gcc_parent_klass->dispose (object);
  63 }
  64
  65 static void
  66 gnm_cell_combo_set_property (GObject *obj, guint property_id,
  67                              GValue const *value, GParamSpec *pspec)
  68 {
  69         GnmCellCombo *ccombo = (GnmCellCombo *)obj;
  70
  71         switch (property_id) {
  72         case PROP_SV: {
  73                 SheetView *sv = g_value_get_object (value);
  74                 gnm_cell_combo_set_sv (ccombo, sv);
  75                 break;
  76         }
  77
  78         default:
  79                 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
  80         }
  81 }
  82
  83 static void
  84 gnm_cell_combo_get_property (GObject *obj, guint property_id,
  85                              GValue *value, GParamSpec *pspec)
  86 {
  87         GnmCellCombo const *ccombo = (GnmCellCombo const *)obj;
  88
  89         switch (property_id) {
  90         case PROP_SV:
  91                 g_value_set_object (value, ccombo->sv);
  92                 break;
  93         default:
  94                 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
  95         }
  96 }
  97
  98 static void
  99 gnm_cell_combo_init (SheetObject *so)
 100 {
 101         /* keep the arrows from wandering with their cells */
 102         so->flags &= ~SHEET_OBJECT_MOVE_WITH_CELLS;
 103 }
 104
 105 static void
 106 gnm_cell_combo_class_init (GObjectClass *gobject_class)
 107 {
 108         SheetObjectClass *so_class = GNM_SO_CLASS (gobject_class);
 109
 110         gcc_parent_klass = g_type_class_peek_parent (gobject_class);
 111
 112         gobject_class->dispose          = gnm_cell_combo_dispose;
 113         gobject_class->finalize         = gnm_cell_combo_finalize;
 114         gobject_class->get_property     = gnm_cell_combo_get_property;
 115         gobject_class->set_property     = gnm_cell_combo_set_property;
 116         so_class->write_xml_sax         = NULL;
 117         so_class->prep_sax_parser       = NULL;
 118         so_class->copy                  = NULL;
 119
 120         g_object_class_install_property (gobject_class, PROP_SV,
 121                  g_param_spec_object ("sheet-view", NULL, NULL,
 122                         GNM_SHEET_VIEW_TYPE, GSF_PARAM_STATIC | G_PARAM_READWRITE));
 123 }
 124
 125 GSF_CLASS_ABSTRACT (GnmCellCombo, gnm_cell_combo,
 126                     gnm_cell_combo_class_init, gnm_cell_combo_init,
 127                     GNM_SO_TYPE)