git.maemo.org Git - modest/blob - src/hildon2/modest-selector-picker.c

   1 /* Copyright (c) 2006, 2008 Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <gtk/gtkcelllayout.h>
  31 #include <gtk/gtkcellrenderertext.h>
  32 #include <gtk/gtkliststore.h>
  33 #include "modest-selector-picker.h"
  34
  35 /* 'private'/'protected' functions */
  36 static void modest_selector_picker_class_init (ModestSelectorPickerClass *klass);
  37 static void modest_selector_picker_init       (ModestSelectorPicker *obj);
  38 static void modest_selector_picker_finalize   (GObject *obj);
  39
  40 enum {
  41         COLUMN_ID,
  42         COLUMN_DISPLAY_NAME,
  43         COLUMN_NUM
  44 };
  45
  46 typedef struct _ModestSelectorPickerPrivate ModestSelectorPickerPrivate;
  47 struct _ModestSelectorPickerPrivate {
  48         GEqualFunc id_equal_func;
  49
  50 };
  51 #define MODEST_SELECTOR_PICKER_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  52                                                                                 MODEST_TYPE_SELECTOR_PICKER, \
  53                                                                                 ModestSelectorPickerPrivate))
  54 /* globals */
  55 static GObjectClass *parent_class = NULL;
  56
  57 GType
  58 modest_selector_picker_get_type (void)
  59 {
  60         static GType my_type = 0;
  61         if (!my_type) {
  62                 static const GTypeInfo my_info = {
  63                         sizeof(ModestSelectorPickerClass),
  64                         NULL,           /* base init */
  65                         NULL,           /* base finalize */
  66                         (GClassInitFunc) modest_selector_picker_class_init,
  67                         NULL,           /* class finalize */
  68                         NULL,           /* class data */
  69                         sizeof(ModestSelectorPicker),
  70                         1,              /* n_preallocs */
  71                         (GInstanceInitFunc) modest_selector_picker_init,
  72                         NULL
  73                 };
  74                 my_type = g_type_register_static (HILDON_TYPE_PICKER_BUTTON,
  75                                                   "ModestSelectorPicker",
  76                                                   &my_info, 0);
  77         }
  78         return my_type;
  79 }
  80
  81 static void
  82 modest_selector_picker_class_init (ModestSelectorPickerClass *klass)
  83 {
  84         GObjectClass *gobject_class;
  85         gobject_class = (GObjectClass*) klass;
  86
  87         parent_class            = g_type_class_peek_parent (klass);
  88         gobject_class->finalize = modest_selector_picker_finalize;
  89
  90         g_type_class_add_private (gobject_class, sizeof(ModestSelectorPickerPrivate));
  91
  92 }
  93
  94 static void
  95 modest_selector_picker_init (ModestSelectorPicker *obj)
  96 {
  97 }
  98
  99 static void
 100 modest_selector_picker_finalize (GObject *obj)
 101 {
 102 /*      free/unref instance resources here */
 103         G_OBJECT_CLASS(parent_class)->finalize (obj);
 104 }
 105
 106 static gchar *
 107 touch_selector_print_func (HildonTouchSelector *selector, gpointer userdata)
 108 {
 109         GtkTreeIter iter;
 110         if (hildon_touch_selector_get_selected (HILDON_TOUCH_SELECTOR (selector), 0, &iter)) {
 111                 GtkTreeModel *model;
 112                 GValue value = {0,};
 113
 114                 model = hildon_touch_selector_get_model (HILDON_TOUCH_SELECTOR (selector), 0);
 115                 gtk_tree_model_get_value (model, &iter, COLUMN_DISPLAY_NAME, &value);
 116                 return g_value_dup_string (&value);
 117         }
 118         return NULL;
 119 }
 120
 121 static GtkTreeModel*
 122 get_model (ModestPairList *pairs)
 123 {
 124         GtkTreeIter iter;
 125         GtkListStore *store;
 126         GSList *cursor;
 127
 128         store = gtk_list_store_new (2,
 129                                     G_TYPE_POINTER, /* the id */
 130                                     G_TYPE_STRING); /* the display name */
 131         cursor = pairs;
 132         while (cursor) {
 133                 ModestPair *pair = (ModestPair*)cursor->data;
 134                 gtk_list_store_insert_with_values (store, &iter, G_MAXINT,
 135                                                    COLUMN_ID,           pair->first,
 136                                                    COLUMN_DISPLAY_NAME, pair->second,
 137                                                    -1);
 138                 cursor = cursor->next;
 139         }
 140
 141         return GTK_TREE_MODEL (store);
 142 }
 143
 144 static GtkWidget *
 145 create_touch_selector (GtkTreeModel *model)
 146 {
 147         GtkCellRenderer *renderer;
 148         GtkWidget *selector;
 149
 150         renderer = gtk_cell_renderer_text_new ();
 151         g_object_set (G_OBJECT (renderer), "ellipsize", PANGO_ELLIPSIZE_END, NULL);
 152
 153         selector = hildon_touch_selector_new ();
 154         hildon_touch_selector_append_column (HILDON_TOUCH_SELECTOR (selector), GTK_TREE_MODEL (model),
 155                                              renderer, "text", COLUMN_DISPLAY_NAME, NULL);
 156
 157         hildon_touch_selector_set_model (HILDON_TOUCH_SELECTOR(selector), 0, model);
 158         hildon_touch_selector_set_print_func (HILDON_TOUCH_SELECTOR (selector), touch_selector_print_func);
 159
 160         return selector;
 161 }
 162
 163 void
 164 modest_selector_picker_set_pair_list (ModestSelectorPicker *self, ModestPairList *pairs)
 165 {
 166         GtkTreeModel *model;
 167         GtkTreeIter iter;
 168         GtkWidget *selector;
 169
 170         model = get_model (pairs);
 171
 172         selector = create_touch_selector (model);
 173         gtk_tree_model_get_iter_first (GTK_TREE_MODEL(model), &iter);
 174         hildon_touch_selector_select_iter (HILDON_TOUCH_SELECTOR (selector), 0, &iter, TRUE);
 175         g_object_unref (model);
 176
 177         hildon_picker_button_set_selector (HILDON_PICKER_BUTTON (self), HILDON_TOUCH_SELECTOR (selector));
 178 }
 179
 180
 181
 182 GtkWidget*
 183 modest_selector_picker_new (HildonSizeType size,
 184                             HildonButtonArrangement arrangement,
 185                             ModestPairList *pairs, GEqualFunc id_equal_func)
 186 {
 187         GtkTreeModel *model;
 188         GObject *obj;
 189         ModestSelectorPickerPrivate *priv;
 190         GtkTreeIter iter;
 191
 192         obj  = G_OBJECT(g_object_new(MODEST_TYPE_SELECTOR_PICKER,
 193                                      "size", size,
 194                                      "arrangement", arrangement,
 195                                      NULL));
 196         priv = MODEST_SELECTOR_PICKER_GET_PRIVATE(obj);
 197
 198         model = get_model (pairs);
 199         if (model) {
 200                 GtkWidget *selector;
 201
 202                 selector = create_touch_selector (model);
 203                 if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (model), &iter)) {
 204                         hildon_touch_selector_select_iter (HILDON_TOUCH_SELECTOR (selector), 0, &iter, TRUE);
 205                 }
 206                 g_object_unref (model);
 207
 208                 hildon_picker_button_set_selector (HILDON_PICKER_BUTTON (obj), HILDON_TOUCH_SELECTOR (selector));
 209         }
 210
 211         if (id_equal_func)
 212                 priv->id_equal_func = id_equal_func;
 213         else
 214                 priv->id_equal_func = g_direct_equal; /* compare the ptr values */
 215
 216         return GTK_WIDGET(obj);
 217 }
 218
 219
 220
 221 static void
 222 get_active (ModestSelectorPicker *self, GValue *val, gint column)
 223 {
 224         GtkTreeIter iter;
 225         GtkWidget *selector;
 226         g_return_if_fail (self);
 227
 228         selector = GTK_WIDGET (hildon_picker_button_get_selector (HILDON_PICKER_BUTTON (self)));
 229
 230         if (hildon_touch_selector_get_selected (HILDON_TOUCH_SELECTOR (selector), 0, &iter)) {
 231                 GtkTreeModel *model;
 232
 233                 model = hildon_touch_selector_get_model (HILDON_TOUCH_SELECTOR (selector), 0);
 234                 gtk_tree_model_get_value (model, &iter, column, val);
 235         }
 236 }
 237
 238 gpointer
 239 modest_selector_picker_get_active_id (ModestSelectorPicker *self)
 240 {
 241         GValue val = {0,};
 242
 243         g_return_val_if_fail (self, NULL);
 244
 245         /* Do not unset the GValue */
 246         get_active (self, &val, COLUMN_ID);
 247
 248         return g_value_get_pointer (&val);
 249 }
 250
 251
 252 void
 253 modest_selector_picker_set_active_id (ModestSelectorPicker *self, gpointer id)
 254 {
 255         GtkTreeModel *model;
 256         GtkTreeIter iter;
 257         ModestSelectorPickerPrivate *priv;
 258         gboolean found = FALSE;
 259         GtkWidget *selector;
 260
 261         g_return_if_fail (self);
 262
 263         priv = MODEST_SELECTOR_PICKER_GET_PRIVATE(self);
 264         selector = GTK_WIDGET (hildon_picker_button_get_selector (HILDON_PICKER_BUTTON (self)));
 265
 266         model = hildon_touch_selector_get_model (HILDON_TOUCH_SELECTOR(selector), 0);
 267         if (!gtk_tree_model_get_iter_first (model, &iter))
 268                 return; /* empty list */
 269
 270         do {
 271                 gpointer row_id;
 272                 gtk_tree_model_get (model, &iter, COLUMN_ID, &row_id, -1);
 273                 if ((priv->id_equal_func)(id, row_id)) {
 274                         hildon_touch_selector_select_iter (HILDON_TOUCH_SELECTOR (selector), 0,
 275                                                            &iter, TRUE);
 276
 277                         hildon_button_set_value (HILDON_BUTTON (self),
 278                                                  hildon_touch_selector_get_current_text (HILDON_TOUCH_SELECTOR (selector)));
 279                         found = TRUE;
 280                 }
 281         } while (!found && gtk_tree_model_iter_next (model, &iter));
 282
 283         if (!found)
 284                 g_printerr ("modest: could not set the active id\n");
 285 }
 286
 287
 288
 289 const gchar*
 290 modest_selector_picker_get_active_display_name (ModestSelectorPicker *self)
 291 {
 292         const GValue val = {0,};
 293         const gchar *retval;
 294
 295         g_return_val_if_fail (self, NULL);
 296
 297         /* Do not unset the GValue */
 298         get_active (self, (GValue *)&val, COLUMN_DISPLAY_NAME);
 299         retval = g_value_get_string (&val);
 300
 301         return retval;
 302 }