git.maemo.org Git - modest/blob - src/hildon2/modest-hildon-pannable-area-scrollable.c

   1 /* Copyright (c) 2009, Igalia
   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 <glib/gi18n.h>
  31 #include                                        "modest-hildon-pannable-area-scrollable.h"
  32
  33 static void modest_hildon_pannable_area_scrollable_class_init (ModestHildonPannableAreaScrollableClass *klass);
  34 static void modest_hildon_pannable_area_scrollable_init (ModestHildonPannableAreaScrollable *self);
  35 static void modest_scrollable_iface_init (gpointer g, gpointer iface_data);
  36
  37 /* GObject interface */
  38 static void modest_hildon_pannable_area_scrollable_finalize (GObject *obj);
  39 static void modest_hildon_pannable_area_scrollable_get_property (GObject *obj,
  40                                                                  guint prop_id,
  41                                                                  GValue *value,
  42                                                                  GParamSpec *pspec);
  43 static void modest_hildon_pannable_area_scrollable_set_property (GObject *obj,
  44                                                                  guint prop_id,
  45                                                                  const GValue *value,
  46                                                                  GParamSpec *pspec);
  47
  48 /* Modest scrollable interface */
  49 static void modest_hildon_pannable_area_scrollable_add_with_viewport (ModestScrollable *self, GtkWidget *widget);
  50 static void modest_hildon_pannable_area_scrollable_add_with_viewport_default (ModestScrollable *self, GtkWidget *widget);
  51 static GtkAdjustment *modest_hildon_pannable_area_scrollable_get_vadjustment (ModestScrollable *self);
  52 static GtkAdjustment *modest_hildon_pannable_area_scrollable_get_vadjustment_default (ModestScrollable *self);
  53 static GtkAdjustment *modest_hildon_pannable_area_scrollable_get_hadjustment (ModestScrollable *self);
  54 static GtkAdjustment *modest_hildon_pannable_area_scrollable_get_hadjustment_default (ModestScrollable *self);
  55 static void modest_hildon_pannable_area_scrollable_scroll_to (ModestScrollable *self, const gint x, const gint y);
  56 static void modest_hildon_pannable_area_scrollable_scroll_to_default (ModestScrollable *self, const gint x, const gint y);
  57 static void modest_hildon_pannable_area_scrollable_jump_to (ModestScrollable *self, const gint x, const gint y);
  58 static void modest_hildon_pannable_area_scrollable_jump_to_default (ModestScrollable *self, const gint x, const gint y);
  59 static GtkPolicyType modest_hildon_pannable_area_scrollable_get_vertical_policy (ModestScrollable *self);
  60 static GtkPolicyType modest_hildon_pannable_area_scrollable_get_vertical_policy_default (ModestScrollable *self);
  61 static GtkPolicyType modest_hildon_pannable_area_scrollable_get_horizontal_policy (ModestScrollable *self);
  62 static GtkPolicyType modest_hildon_pannable_area_scrollable_get_horizontal_policy_default (ModestScrollable *self);
  63 static void modest_hildon_pannable_area_scrollable_set_horizontal_policy (ModestScrollable *self, GtkPolicyType policy);
  64 static void modest_hildon_pannable_area_scrollable_set_horizontal_policy_default (ModestScrollable *self, GtkPolicyType policy);
  65 static void modest_hildon_pannable_area_scrollable_set_vertical_policy (ModestScrollable *self, GtkPolicyType policy);
  66 static void modest_hildon_pannable_area_scrollable_set_vertical_policy_default (ModestScrollable *self, GtkPolicyType policy);
  67
  68 /* list properties */
  69 enum {
  70         PROP_0,
  71         PROP_HORIZONTAL_POLICY,
  72         PROP_VERTICAL_POLICY,
  73         PROP_MOVEMENT_MODE,
  74         PROP_HORIZONTAL_MAX_OVERSHOOT,
  75         PROP_VERTICAL_MAX_OVERSHOOT,
  76 };
  77
  78 /* globals */
  79 static HildonPannableAreaClass *parent_class = NULL;
  80
  81 G_DEFINE_TYPE_EXTENDED    (ModestHildonPannableAreaScrollable,
  82                            modest_hildon_pannable_area_scrollable,
  83                            HILDON_TYPE_PANNABLE_AREA,
  84                            0,
  85                            {
  86                              G_IMPLEMENT_INTERFACE (MODEST_TYPE_SCROLLABLE, modest_scrollable_iface_init);
  87                              g_type_interface_add_prerequisite (g_define_type_id, GTK_TYPE_BIN);
  88                            }
  89                            );
  90
  91 GtkWidget *
  92 modest_hildon_pannable_area_scrollable_new                            (void)
  93 {
  94         GtkWidget *scrollable = g_object_new (MODEST_TYPE_HILDON_PANNABLE_AREA_SCROLLABLE,
  95                                               "initial-hint", TRUE,
  96                                               NULL);
  97
  98     return scrollable;
  99 }
 100
 101 static void
 102 modest_hildon_pannable_area_scrollable_class_init (ModestHildonPannableAreaScrollableClass *klass)
 103 {
 104         GObjectClass *gobject_class;
 105
 106         parent_class = g_type_class_peek_parent (klass);
 107         gobject_class = (GObjectClass *) klass;
 108         gobject_class->finalize = modest_hildon_pannable_area_scrollable_finalize;
 109         gobject_class->set_property = modest_hildon_pannable_area_scrollable_set_property;
 110         gobject_class->get_property = modest_hildon_pannable_area_scrollable_get_property;
 111
 112         klass->add_with_viewport_func = modest_hildon_pannable_area_scrollable_add_with_viewport_default;
 113         klass->get_vadjustment_func = modest_hildon_pannable_area_scrollable_get_vadjustment_default;
 114         klass->get_hadjustment_func = modest_hildon_pannable_area_scrollable_get_hadjustment_default;
 115         klass->scroll_to_func = modest_hildon_pannable_area_scrollable_scroll_to_default;
 116         klass->jump_to_func = modest_hildon_pannable_area_scrollable_jump_to_default;
 117         klass->get_vertical_policy_func = modest_hildon_pannable_area_scrollable_get_vertical_policy_default;
 118         klass->get_horizontal_policy_func = modest_hildon_pannable_area_scrollable_get_horizontal_policy_default;
 119         klass->set_vertical_policy_func = modest_hildon_pannable_area_scrollable_set_vertical_policy_default;
 120         klass->set_horizontal_policy_func = modest_hildon_pannable_area_scrollable_set_horizontal_policy_default;
 121
 122         g_object_class_install_property (gobject_class,
 123                                          PROP_HORIZONTAL_POLICY,
 124                                          g_param_spec_enum ("horizontal_policy",
 125                                                             _("Horizontal scrollbar policy"),
 126                                                             _("Visual policy of the horizontal scrollbar"),
 127                                                             GTK_TYPE_POLICY_TYPE,
 128                                                             GTK_POLICY_AUTOMATIC,
 129                                                             G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 130
 131         g_object_class_install_property (gobject_class,
 132                                          PROP_VERTICAL_POLICY,
 133                                          g_param_spec_enum ("vertical_policy",
 134                                                             _("Vertical scrollbar policy"),
 135                                                             _("Visual policy of the vertical scrollbar"),
 136                                                             GTK_TYPE_POLICY_TYPE,
 137                                                             GTK_POLICY_AUTOMATIC,
 138                                                             G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 139
 140         g_object_class_install_property (gobject_class,
 141                                          PROP_MOVEMENT_MODE,
 142                                          g_param_spec_enum ("movement_mode",
 143                                                             "Directions scroll is allowed",
 144                                                             "Movements allowed in the scrollable",
 145                                                             MODEST_TYPE_MOVEMENT_MODE,
 146                                                             MODEST_MOVEMENT_MODE_VERTICAL,
 147                                                             G_PARAM_READWRITE |
 148                                                             G_PARAM_CONSTRUCT));
 149
 150         g_object_class_install_property (gobject_class,
 151                                          PROP_HORIZONTAL_MAX_OVERSHOOT,
 152                                          g_param_spec_int ("horizontal-max-overshoot",
 153                                                            "Horizontal max overshoot",
 154                                                            "Horizontal maximum overshoot (0 disables)",
 155                                                            0, G_MAXINT, 150,
 156                                                            G_PARAM_READWRITE |G_PARAM_CONSTRUCT));
 157
 158         g_object_class_install_property (gobject_class,
 159                                          PROP_VERTICAL_MAX_OVERSHOOT,
 160                                          g_param_spec_int ("vertical-max-overshoot",
 161                                                            "Vertical max overshoot",
 162                                                            "Vertical maximum overshoot (0 disables)",
 163                                                            0, G_MAXINT, 150,
 164                                                            G_PARAM_READWRITE |G_PARAM_CONSTRUCT));
 165 }
 166
 167 static void
 168 modest_hildon_pannable_area_scrollable_init (ModestHildonPannableAreaScrollable *self)
 169 {
 170 }
 171
 172 static void
 173 modest_scrollable_iface_init (gpointer g, gpointer iface_data)
 174 {
 175         ModestScrollableIface *iface = (ModestScrollableIface *) g;
 176
 177         iface->jump_to = modest_hildon_pannable_area_scrollable_jump_to;
 178         iface->scroll_to = modest_hildon_pannable_area_scrollable_scroll_to;
 179         iface->add_with_viewport = modest_hildon_pannable_area_scrollable_add_with_viewport;
 180         iface->get_vadjustment = modest_hildon_pannable_area_scrollable_get_vadjustment;
 181         iface->get_hadjustment = modest_hildon_pannable_area_scrollable_get_hadjustment;
 182         iface->get_vertical_policy = modest_hildon_pannable_area_scrollable_get_vertical_policy;
 183         iface->set_vertical_policy = modest_hildon_pannable_area_scrollable_set_vertical_policy;
 184         iface->get_horizontal_policy = modest_hildon_pannable_area_scrollable_get_horizontal_policy;
 185         iface->set_horizontal_policy = modest_hildon_pannable_area_scrollable_set_horizontal_policy;
 186 }
 187
 188 static void
 189 modest_hildon_pannable_area_scrollable_finalize (GObject *obj)
 190 {
 191         G_OBJECT_CLASS(parent_class)->finalize (obj);
 192 }
 193
 194 static void
 195 modest_hildon_pannable_area_scrollable_get_property (GObject *obj,
 196                                                      guint prop_id,
 197                                                      GValue *value,
 198                                                      GParamSpec *pspec)
 199 {
 200         GtkPolicyType policy;
 201         HildonMovementMode mov_mode;
 202         gint overshoot;
 203
 204         switch (prop_id) {
 205         case PROP_VERTICAL_POLICY:
 206                 g_object_get (obj, "vscrollbar-policy", &policy, NULL);
 207                 g_value_set_enum (value, policy);
 208                 break;
 209         case PROP_HORIZONTAL_POLICY:
 210                 g_object_get (obj, "hscrollbar-policy", &policy, NULL);
 211                 g_value_set_enum (value, policy);
 212                 break;
 213         case PROP_MOVEMENT_MODE:
 214                 g_object_get (obj, "mov-mode", &mov_mode, NULL);
 215                 switch (mov_mode) {
 216                 case HILDON_MOVEMENT_MODE_HORIZ:
 217                         g_value_set_enum (value, MODEST_MOVEMENT_MODE_HORIZONTAL);
 218                         break;
 219                 case HILDON_MOVEMENT_MODE_BOTH:
 220                         g_value_set_enum (value, MODEST_MOVEMENT_MODE_BOTH);
 221                         break;
 222                 default:
 223                 case HILDON_MOVEMENT_MODE_VERT:
 224                         g_value_set_enum (value, MODEST_MOVEMENT_MODE_VERTICAL);
 225                         break;
 226                 }
 227                 break;
 228         case PROP_HORIZONTAL_MAX_OVERSHOOT:
 229                 g_object_get (obj, "hovershoot-max", &overshoot, NULL);
 230                 g_value_set_int (value, overshoot);
 231                 break;
 232         case PROP_VERTICAL_MAX_OVERSHOOT:
 233                 g_object_get (obj, "vovershoot-max", &overshoot, NULL);
 234                 g_value_set_int (value, overshoot);
 235                 break;
 236         default:
 237                 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
 238                 break;
 239         }
 240 }
 241
 242 static void
 243 modest_hildon_pannable_area_scrollable_set_property (GObject *obj,
 244                                                      guint prop_id,
 245                                                      const GValue *value,
 246                                                      GParamSpec *pspec)
 247 {
 248         GtkPolicyType policy;
 249         ModestMovementMode mov_mode;
 250         gint overshoot;
 251
 252         switch (prop_id) {
 253         case PROP_VERTICAL_POLICY:
 254                 policy = g_value_get_enum (value);
 255                 g_object_set (obj, "vscrollbar-policy", policy, NULL);
 256                 break;
 257         case PROP_HORIZONTAL_POLICY:
 258                 policy = g_value_get_enum (value);
 259                 g_object_set (obj, "hscrollbar-policy", policy, NULL);
 260                 break;
 261         case PROP_MOVEMENT_MODE:
 262                 mov_mode = g_value_get_enum (value);
 263                 switch (mov_mode) {
 264                 case MODEST_MOVEMENT_MODE_HORIZONTAL:
 265                         g_object_set (obj, "mov-mode", HILDON_MOVEMENT_MODE_HORIZ, NULL);
 266                         break;
 267                 case HILDON_MOVEMENT_MODE_BOTH:
 268                         g_object_set (obj, "mov-mode", HILDON_MOVEMENT_MODE_BOTH, NULL);
 269                         break;
 270                 default:
 271                 case MODEST_MOVEMENT_MODE_VERTICAL:
 272                         g_object_set (obj, "mov-mode", HILDON_MOVEMENT_MODE_VERT, NULL);
 273                         break;
 274                 }
 275                 break;
 276         case PROP_HORIZONTAL_MAX_OVERSHOOT:
 277                 overshoot = g_value_get_int (value);
 278                 g_object_set (obj, "hovershoot-max", overshoot, NULL);
 279                 break;
 280         case PROP_VERTICAL_MAX_OVERSHOOT:
 281                 overshoot = g_value_get_int (value);
 282                 g_object_set (obj, "vovershoot-max", overshoot, NULL);
 283                 break;
 284         default:
 285                 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
 286                 break;
 287         }
 288 }
 289
 290 static void
 291 modest_hildon_pannable_area_scrollable_add_with_viewport (ModestScrollable *self,
 292                                                           GtkWidget *widget)
 293 {
 294         MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->add_with_viewport_func (self, widget);
 295 }
 296
 297 static void
 298 modest_hildon_pannable_area_scrollable_add_with_viewport_default (ModestScrollable *self,
 299                                                                   GtkWidget *widget)
 300 {
 301         hildon_pannable_area_add_with_viewport (HILDON_PANNABLE_AREA (self), widget);
 302 }
 303
 304 static GtkAdjustment *
 305 modest_hildon_pannable_area_scrollable_get_vadjustment (ModestScrollable *self)
 306 {
 307         return MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->get_vadjustment_func (self);
 308 }
 309
 310 static GtkAdjustment *
 311 modest_hildon_pannable_area_scrollable_get_vadjustment_default (ModestScrollable *self)
 312 {
 313         return hildon_pannable_area_get_vadjustment (HILDON_PANNABLE_AREA (self));
 314 }
 315
 316 static GtkAdjustment *
 317 modest_hildon_pannable_area_scrollable_get_hadjustment (ModestScrollable *self)
 318 {
 319         return MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->get_hadjustment_func (self);
 320 }
 321
 322 static GtkAdjustment *
 323 modest_hildon_pannable_area_scrollable_get_hadjustment_default (ModestScrollable *self)
 324 {
 325         return hildon_pannable_area_get_hadjustment (HILDON_PANNABLE_AREA (self));
 326 }
 327
 328 static void
 329 modest_hildon_pannable_area_scrollable_scroll_to (ModestScrollable *self,
 330                                                   const gint x, const gint y)
 331 {
 332         MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->scroll_to_func (self, x, y);
 333 }
 334
 335 static void
 336 modest_hildon_pannable_area_scrollable_scroll_to_default (ModestScrollable *self,
 337                                                           const gint x, const gint y)
 338 {
 339         hildon_pannable_area_scroll_to (HILDON_PANNABLE_AREA (self), x, y);
 340 }
 341
 342 static void
 343 modest_hildon_pannable_area_scrollable_jump_to (ModestScrollable *self,
 344                                                 const gint x, const gint y)
 345 {
 346         MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->jump_to_func (self, x, y);
 347 }
 348
 349 static void
 350 modest_hildon_pannable_area_scrollable_jump_to_default (ModestScrollable *self,
 351                                                         const gint x, const gint y)
 352 {
 353         hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (self), x, y);
 354 }
 355
 356 static GtkPolicyType
 357 modest_hildon_pannable_area_scrollable_get_vertical_policy (ModestScrollable *self)
 358 {
 359         return MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->get_vertical_policy_func (self);
 360 }
 361
 362 static GtkPolicyType
 363 modest_hildon_pannable_area_scrollable_get_vertical_policy_default (ModestScrollable *self)
 364 {
 365         GtkPolicyType policy;
 366
 367         g_object_get (G_OBJECT (self), "vscrollbar-policy", &policy, NULL);
 368         return policy;
 369 }
 370
 371 static GtkPolicyType
 372 modest_hildon_pannable_area_scrollable_get_horizontal_policy (ModestScrollable *self)
 373 {
 374         return MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->get_horizontal_policy_func (self);
 375 }
 376
 377 static GtkPolicyType
 378 modest_hildon_pannable_area_scrollable_get_horizontal_policy_default (ModestScrollable *self)
 379 {
 380         GtkPolicyType policy;
 381
 382         g_object_get (G_OBJECT (self), "hscrollbar-policy", &policy, NULL);
 383         return policy;
 384 }
 385
 386 static void
 387 modest_hildon_pannable_area_scrollable_set_horizontal_policy (ModestScrollable *self,
 388                                                               GtkPolicyType policy)
 389 {
 390         MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->set_horizontal_policy_func (self, policy);
 391 }
 392
 393 static void
 394 modest_hildon_pannable_area_scrollable_set_horizontal_policy_default (ModestScrollable *self,
 395                                                                       GtkPolicyType policy)
 396 {
 397         g_object_set (G_OBJECT (self), "hscrollbar-policy", policy, NULL);
 398 }
 399
 400 static void
 401 modest_hildon_pannable_area_scrollable_set_vertical_policy (ModestScrollable *self,
 402                                                             GtkPolicyType policy)
 403 {
 404         MODEST_HILDON_PANNABLE_AREA_SCROLLABLE_GET_CLASS (self)->set_vertical_policy_func (self, policy);
 405 }
 406
 407 static void
 408 modest_hildon_pannable_area_scrollable_set_vertical_policy_default (ModestScrollable *self,
 409                                                                     GtkPolicyType policy)
 410 {
 411         g_object_set (G_OBJECT (self), "vscrollbar-policy", policy, NULL);
 412 }