irreco/src/core/irreco_background_creator_dlg.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * irreco - Ir Remote Control
   4  * Copyright (C) 2008 Pekka Gehör (pegu6@msn.com)
   5  *
   6  * irreco_background_creator_dlg.c is free software: you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * irreco_background_creator_dlg.c is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14  * See the GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "irreco_background_creator_dlg.h"
  21 #include "irreco_theme_creator_backgrounds.h"
  22 #include "irreco_theme_creator_dlg.h"
  23 #include <hildon/hildon-banner.h>
  24 #include <hildon/hildon-color-button.h>
  25 #include <hildon/hildon-file-chooser-dialog.h>
  26
  27
  28 /**
  29  * @addtogroup IrrecoBackgroundCreatorDlg
  30  * @ingroup Irreco
  31  *
  32  *
  33  * @{
  34  */
  35
  36 /**
  37  * @file
  38  * Source file of @ref IrrecoBackgroundCreatorDlg.
  39  */
  40 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  41 /* Datatypes                                                                  */
  42 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  43
  44 #define IRRECO_BACKGROUND_PREVIEW_WIDHT (IRRECO_SCREEN_WIDTH/2)
  45 #define IRRECO_BACKGROUND_PREVIEW_HEIGHT (IRRECO_SCREEN_HEIGHT/2)
  46
  47 /** Loader states. */
  48 enum
  49 {
  50         LOADER_STATE_INIT,
  51         LOADER_STATE_THEME,
  52         LOADER_STATE_BUTTONS,
  53         LOADER_STATE_BACKGROUNDS,
  54         LOADER_STATE_END
  55 };
  56
  57 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  58 /* Prototypes                                                                 */
  59 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  60 static void _signal_image_clicked(GtkButton *button,
  61                                   IrrecoBackgroundCreatorDlg *self);
  62 static gboolean _draw_preview_image(IrrecoBackgroundCreatorDlg *self,
  63                                     const gchar *image);
  64
  65 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  66 /* Construction & Destruction                                                 */
  67 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  68
  69 /**
  70  * @name Construction & Destruction
  71  * @{
  72  */
  73
  74
  75 G_DEFINE_TYPE (IrrecoBackgroundCreatorDlg, irreco_background_creator_dlg,
  76                IRRECO_TYPE_INTERNAL_DLG)
  77
  78 static void irreco_background_creator_dlg_constructed(GObject *object)
  79 {
  80
  81         IrrecoData                      *irreco_data;
  82         IrrecoBackgroundCreatorDlg      *self;
  83
  84         GtkWidget                       *table;
  85         GtkWidget                       *frame;
  86         GtkWidget                       *label_name;
  87         GtkWidget                       *label_select;
  88         GtkWidget                       *button_select;
  89
  90         IRRECO_ENTER
  91
  92         G_OBJECT_CLASS(irreco_background_creator_dlg_parent_class)->constructed(object);
  93
  94         self = IRRECO_BACKGROUND_CREATOR_DLG(object);
  95
  96         irreco_data = irreco_internal_dlg_get_irreco_data(IRRECO_INTERNAL_DLG(self));
  97
  98         /* Construct dialog. */
  99         gtk_window_set_title(GTK_WINDOW(self), _("Background Creator "));
 100         gtk_window_set_modal(GTK_WINDOW(self), TRUE);
 101         gtk_window_set_destroy_with_parent(GTK_WINDOW(self), TRUE);
 102         gtk_dialog_set_has_separator(GTK_DIALOG(self), FALSE);
 103
 104         /*Buttons*/
 105         self->cancel_button= gtk_dialog_add_button(GTK_DIALOG(self),
 106                                                    _("Cancel"),
 107                                                    GTK_RESPONSE_CANCEL);
 108         self->add_button= gtk_dialog_add_button(GTK_DIALOG(self),
 109                                                 _("Add"), GTK_RESPONSE_NONE);
 110
 111         /* Create widgets. */
 112
 113         table = gtk_table_new(8, 9, TRUE);
 114         label_name = gtk_label_new(_("Name:"));
 115         label_select = gtk_label_new(_("Background:"));
 116         self->entry_name = gtk_entry_new();
 117         frame = gtk_frame_new(NULL);
 118         self->preview_image = gtk_image_new();
 119         button_select = gtk_button_new_with_label(_("Select"));
 120
 121         gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(self)->vbox),
 122                                     table);
 123
 124         /* Set widgets on the table */
 125
 126         gtk_table_set_row_spacings(GTK_TABLE(table), 6);
 127         gtk_table_set_col_spacings(GTK_TABLE(table), 6);
 128
 129         gtk_table_attach_defaults(GTK_TABLE(table), label_name, 0, 3, 0, 1);
 130         gtk_table_attach_defaults(GTK_TABLE(table), label_select, 0, 3, 1, 2);
 131         gtk_table_attach_defaults(GTK_TABLE(table),
 132                                   self->entry_name, 3, 9, 0, 1);
 133         gtk_table_attach_defaults(GTK_TABLE(table), button_select, 3, 9, 1, 2);
 134         gtk_table_attach_defaults(GTK_TABLE(table), frame, 0, 9, 2, 8);
 135
 136         gtk_container_add(GTK_CONTAINER(frame), self->preview_image);
 137
 138         /* Button signals. */
 139         g_signal_connect(G_OBJECT(button_select), "clicked",
 140                          G_CALLBACK(_signal_image_clicked),
 141                          self);
 142
 143         gtk_widget_show_all(GTK_WIDGET(self));
 144
 145         IRRECO_RETURN
 146 }
 147 static void
 148 irreco_background_creator_dlg_init (IrrecoBackgroundCreatorDlg *self)
 149 {
 150         IRRECO_ENTER
 151         self->filename = g_string_new(NULL);
 152         IRRECO_RETURN
 153 }
 154
 155 static void
 156 irreco_background_creator_dlg_finalize(GObject *object)
 157 {
 158         /* TODO: Add deinitalization code here */
 159         IrrecoBackgroundCreatorDlg *self;
 160         IRRECO_ENTER
 161
 162         self = IRRECO_BACKGROUND_CREATOR_DLG(object);
 163         g_string_free(self->filename, TRUE);
 164         self->filename = NULL;
 165
 166         G_OBJECT_CLASS(irreco_background_creator_dlg_parent_class)->finalize(object);
 167         IRRECO_RETURN
 168
 169 }
 170
 171 static void
 172 irreco_background_creator_dlg_class_init(IrrecoBackgroundCreatorDlgClass *klass)
 173 {
 174         GObjectClass* object_class = G_OBJECT_CLASS (klass);
 175         object_class->finalize = irreco_background_creator_dlg_finalize;
 176         object_class->constructed = irreco_background_creator_dlg_constructed;
 177 }
 178 GtkWidget
 179 *irreco_background_creator_dlg_new(IrrecoData *irreco_data, GtkWindow *parent)
 180 {
 181         IrrecoBackgroundCreatorDlg *self;
 182
 183         IRRECO_ENTER
 184
 185         self = g_object_new(IRRECO_TYPE_BACKGROUND_CREATOR_DLG,
 186                             "irreco-data", irreco_data, NULL);
 187         irreco_dlg_set_parent(IRRECO_DLG(self), parent);
 188
 189         IRRECO_RETURN_PTR(self);
 190 }
 191
 192 /**
 193  * @deprecated
 194  * @todo Replace calls to irreco_background_creator_dlg_create() with
 195  *       irreco_background_creator_dlg_new().
 196  */
 197 IrrecoBackgroundCreatorDlg
 198 *irreco_background_creator_dlg_create(IrrecoData *irreco_data,
 199                                       GtkWindow *parent_window)
 200 {
 201         IRRECO_ENTER
 202         IRRECO_RETURN_PTR(irreco_background_creator_dlg_new(
 203                           irreco_data, parent_window));
 204 }
 205
 206 /** @} */
 207
 208 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 209 /* Private Functions                                                          */
 210 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 211 /**
 212  * @name Private Functions
 213  * @{
 214  */
 215 /**
 216  * Draw preview with current image.
 217  */
 218 static gboolean
 219 _draw_preview_image(IrrecoBackgroundCreatorDlg *self, const gchar *image)
 220 {
 221         GError *error = NULL;
 222         GdkPixbuf *pixbuf = NULL;
 223
 224         IRRECO_ENTER
 225         g_assert(self != NULL);
 226
 227         /* Attempt to load the image. */
 228         if (image != NULL) {
 229                 pixbuf = gdk_pixbuf_new_from_file_at_scale(image,
 230                                                 IRRECO_BACKGROUND_PREVIEW_WIDHT,
 231                                                 IRRECO_BACKGROUND_PREVIEW_HEIGHT,
 232                                                 TRUE, &error);
 233                 if (irreco_gerror_check_print(&error)) {
 234                         IRRECO_RETURN_BOOL(FALSE);
 235                 }
 236         }
 237         gtk_widget_realize(GTK_WIDGET(self->preview_image));
 238
 239         gtk_image_set_from_pixbuf(GTK_IMAGE(self->preview_image),
 240                                   GDK_PIXBUF(pixbuf));
 241
 242         if (pixbuf != NULL) g_object_unref(G_OBJECT(pixbuf));
 243
 244         IRRECO_RETURN_BOOL(TRUE);
 245 }
 246
 247
 248 static void _select_image(GtkButton *button, IrrecoBackgroundCreatorDlg *self)
 249 {
 250
 251         GtkWidget *file_dlg = NULL;
 252         gchar *image_dir = NULL;
 253         IRRECO_ENTER
 254
 255         /* Create image select dialog. */
 256
 257         file_dlg = hildon_file_chooser_dialog_new(GTK_WINDOW(self),
 258                                                   GTK_FILE_CHOOSER_ACTION_OPEN);
 259         gtk_window_set_title(GTK_WINDOW(file_dlg),_("Select background image"));
 260         gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(file_dlg), TRUE);
 261         image_dir = g_build_path("/", getenv("HOME"), "MyDocs/.images/", NULL);
 262         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(file_dlg),
 263                                             image_dir);
 264         g_free(image_dir);
 265
 266         /* Loop until user cancels or we get a valid image. */
 267         gtk_widget_show_all(GTK_WIDGET(file_dlg));
 268         while (gtk_dialog_run(GTK_DIALOG(file_dlg)) == GTK_RESPONSE_OK) {
 269                 gchar *filename = gtk_file_chooser_get_filename(
 270                                                     GTK_FILE_CHOOSER(file_dlg));
 271
 272                 /* Attempt to display the image. */
 273                 if (_draw_preview_image(self, filename)) {
 274                         irreco_gstring_set_and_free(self->filename, filename);
 275                         filename = NULL;
 276                         break;
 277
 278                 /* Cleanup */
 279                 } else {
 280                         gchar *basename = g_path_get_basename(filename);
 281                         irreco_error_dlg_printf(GTK_WINDOW(file_dlg),
 282                                                 _("Cannot open image \"%s\""),
 283                                                 basename);
 284                         IRRECO_PRINTF("Image invalid.\n");
 285
 286                         g_free(basename);
 287                         g_free(filename);
 288                 }
 289         }
 290
 291         gtk_widget_destroy(file_dlg);
 292         IRRECO_RETURN
 293 }
 294
 295 /** @} */
 296
 297 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 298 /* Functions                                                                  */
 299 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 300
 301
 302 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 303 /* Public Functions                                                           */
 304 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 305
 306 gboolean irreco_background_creator_dlg_run(IrrecoData *irreco_data,
 307                                            GtkWindow *parent_window)
 308 {
 309         IrrecoBackgroundCreatorDlg      *self;
 310         gint                            response;
 311         gboolean                        loop = TRUE;
 312         gboolean                        rvalue = FALSE;
 313
 314         IRRECO_ENTER
 315
 316         self = (IrrecoBackgroundCreatorDlg*)irreco_background_creator_dlg_create(
 317                 irreco_data, parent_window);
 318
 319         do {
 320                 response = gtk_dialog_run(GTK_DIALOG(self));
 321                 switch (response) {
 322                 case GTK_RESPONSE_OK:
 323
 324                         self->loader_state = LOADER_STATE_INIT;
 325
 326                         break;
 327
 328                 case GTK_RESPONSE_CANCEL:
 329                         IRRECO_DEBUG("GTK_RESPONSE_CANCEL\n");
 330                         loop = FALSE;
 331                         break;
 332
 333         /*      case GTK_RESPONSE_CLOSE:
 334                         IRRECO_DEBUG("GTK_RESPONSE_CLOSE\n");
 335                         _loader_stop(self);
 336                         loop = FALSE;
 337                         rvalue = TRUE;
 338                         break;*/
 339
 340                 default:
 341                         IRRECO_DEBUG("default\n");
 342                         break;
 343                 }
 344
 345         } while (loop);
 346
 347         gtk_widget_destroy(GTK_WIDGET(self));
 348
 349         IRRECO_RETURN_BOOL(rvalue);
 350 }
 351
 352 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 353 /* Events and Callbacks                                                       */
 354 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 355
 356 /**
 357  * @name Events and Callbacks
 358  * @{
 359  */
 360
 361 static void
 362 _signal_image_clicked(GtkButton *button, IrrecoBackgroundCreatorDlg *self)
 363 {
 364         IRRECO_ENTER
 365         _select_image(button, self);
 366         IRRECO_RETURN
 367 }
 368
 369
 370 /** @} */
 371