src/gnm-cell-combo.c

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