irreco/src/core/irreco_theme_creator_buttons.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_theme_creator_buttons.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_theme_creator_buttons.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_theme_creator_buttons.h"
  21 #include "irreco_theme_creator_dlg.h"
  22 #include "irreco_background_creator_dlg.h"
  23 #include "irreco_button_creator_dlg.h"
  24
  25 /**
  26  * @addtogroup IrrecoThemeCreatorBackgrounds
  27  * @ingroup Irreco
  28  *
  29  * User interface for IrrecoThemeCreatorDlgBackgrounds.
  30  *
  31  * @{
  32  */
  33
  34 /**
  35  * @file
  36  * Source file of @ref IrrecoThemeCreatorBackgrounds.
  37  */
  38
  39 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  40 /* Datatypes                                                                  */
  41 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  42
  43 #define IRRECO_BUTTON_PREVIEW_WIDHT             (IRRECO_SCREEN_HEIGHT / 5)
  44 #define IRRECO_BUTTON_PREVIEW_HEIGHT            (IRRECO_SCREEN_HEIGHT / 5)
  45
  46 enum
  47 {
  48         DATA_COL,
  49         TEXT_COL,
  50         UNPIXBUF_COL,
  51         PIXBUF_COL,
  52         N_COLUMNS
  53 };
  54 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  55 /* Prototypes.                                                                */
  56 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  57 static void _image_selection_changed(GtkTreeSelection * selection,
  58                                      IrrecoThemeCreatorButtons *self);
  59
  60 gboolean
  61 irreco_theme_creator_buttons_get_iter(IrrecoThemeCreatorButtons *self,
  62                                           gint index, GtkTreeIter * iter);
  63 gboolean
  64 irreco_theme_creator_buttons_set_selection(IrrecoThemeCreatorButtons
  65                                                 *self, gint index);
  66 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  67 /* Construction & Destruction                                                 */
  68 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  69
  70 /**
  71  * @name Construction & Destruction
  72  * @{
  73  */
  74
  75 G_DEFINE_TYPE (IrrecoThemeCreatorButtons, irreco_theme_creator_buttons,
  76                            IRRECO_TYPE_INTERNAL_WIDGET)
  77
  78 static void
  79 irreco_theme_creator_buttons_finalize (GObject *object)
  80 {
  81         /* TODO: Add deinitalization code here */
  82         IRRECO_ENTER
  83         G_OBJECT_CLASS (
  84                 irreco_theme_creator_buttons_parent_class)->finalize (object);
  85         IRRECO_RETURN
  86 }
  87
  88 static void
  89 irreco_theme_creator_buttons_class_init (IrrecoThemeCreatorButtonsClass *klass)
  90 {
  91         GObjectClass *object_class;
  92         IRRECO_ENTER
  93
  94         object_class = G_OBJECT_CLASS (klass);
  95         object_class->finalize = irreco_theme_creator_buttons_finalize;
  96         IRRECO_RETURN
  97
  98 }
  99
 100 static void
 101 irreco_theme_creator_buttons_init (IrrecoThemeCreatorButtons *self)
 102 {
 103         /* TODO: Add initialization code here */
 104
 105         IRRECO_ENTER
 106
 107         gtk_box_set_spacing(GTK_BOX(self), 1);
 108
 109         /*BUTTONS*/
 110         self->scroll_buttons = gtk_scrolled_window_new(NULL, NULL);
 111         self->store_buttons = gtk_list_store_new(N_COLUMNS, G_TYPE_POINTER,
 112                                                  G_TYPE_STRING, GDK_TYPE_PIXBUF,
 113                                                  GDK_TYPE_PIXBUF);
 114         self->view_buttons = gtk_tree_view_new();
 115         gtk_box_pack_start_defaults(GTK_BOX(self), self->scroll_buttons);
 116
 117
 118         /*BUTTONS COLUMNS*/
 119
 120         gtk_tree_view_set_model(GTK_TREE_VIEW(self->view_buttons),
 121                                 GTK_TREE_MODEL(self->store_buttons));
 122         g_object_unref(self->store_buttons);
 123
 124         /* Create pixbuf column. */
 125         self->renderer_buttons = gtk_cell_renderer_pixbuf_new();
 126         self->column_buttons = gtk_tree_view_column_new_with_attributes(
 127                                 "Unpressed        ", self->renderer_buttons,
 128                                 "pixbuf", UNPIXBUF_COL, NULL);
 129         gtk_tree_view_append_column(GTK_TREE_VIEW(self->view_buttons),
 130                                     self->column_buttons);
 131
 132         self->renderer_buttons = gtk_cell_renderer_pixbuf_new();
 133         self->column_buttons = gtk_tree_view_column_new_with_attributes(
 134                                                 "Pressed                  ",
 135                                                 self->renderer_buttons,
 136                                                 "pixbuf", PIXBUF_COL, NULL);
 137         gtk_tree_view_append_column(GTK_TREE_VIEW(self->view_buttons),
 138                                     self->column_buttons);
 139
 140         /* Create text column. */
 141         self->renderer_buttons = gtk_cell_renderer_text_new();
 142         self->column_buttons = gtk_tree_view_column_new_with_attributes(
 143                                                         "Name      ",
 144                                                         self->renderer_buttons,
 145                                                         "text", TEXT_COL, NULL);
 146         gtk_tree_view_append_column(GTK_TREE_VIEW(self->view_buttons),
 147                                     self->column_buttons);
 148         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(self->view_buttons),
 149                                           TRUE);
 150
 151         /* Scroll_buttons*/
 152
 153         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(self->scroll_buttons),
 154                                        GTK_POLICY_AUTOMATIC,
 155                                        GTK_POLICY_AUTOMATIC);
 156         gtk_container_add(GTK_CONTAINER(self->scroll_buttons),
 157                           self->view_buttons);
 158         self->tree_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(
 159                                                            self->view_buttons));
 160         gtk_tree_selection_set_mode(self->tree_selection, GTK_SELECTION_SINGLE);
 161
 162
 163         /* Signal handlers. */
 164         g_signal_connect(G_OBJECT(self->tree_selection),
 165                          "changed",
 166                          G_CALLBACK(_image_selection_changed),
 167                          self);
 168         IRRECO_RETURN
 169 }
 170
 171 GtkWidget* irreco_theme_creator_buttons_new(GtkWindow *parent,
 172                                             IrrecoData *irreco_data,
 173                                             IrrecoTheme * irreco_theme)
 174 {
 175         IrrecoThemeCreatorButtons *self;
 176         IRRECO_ENTER
 177
 178         self = g_object_new(IRRECO_TYPE_THEME_CREATOR_BUTTONS,
 179                             "irreco-data", irreco_data,
 180                             NULL);
 181
 182         irreco_theme_creator_buttons_set_parent_window(self, parent);
 183         self->parent_window = GTK_WINDOW(parent);
 184         self->irreco_data = irreco_data;
 185         self->theme = irreco_theme;
 186         irreco_theme_creator_buttons_refresh(self);
 187         IRRECO_RETURN_PTR(GTK_WIDGET(self));
 188 }
 189
 190 /** @} */
 191 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 192 /* Private Functions                                                          */
 193 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 194
 195 /**
 196  * @name Private Functions
 197  * @{
 198  */
 199
 200 static void _image_selection_changed(GtkTreeSelection * selection,
 201                                      IrrecoThemeCreatorButtons *self)
 202 {
 203         GtkTreeIter       iter;
 204         GtkTreeModel     *model = NULL;
 205         GtkTreePath      *path          = NULL;
 206         gint             *path_indices  = NULL;
 207         IRRECO_ENTER
 208
 209         /* Get currect selection, if set. */
 210         selection = gtk_tree_view_get_selection(
 211                                              GTK_TREE_VIEW(self->view_buttons));
 212         if (gtk_tree_selection_get_selected(self->tree_selection,
 213                                             &model, &iter)) {
 214                 path = gtk_tree_model_get_path(model, &iter);
 215                 path_indices = gtk_tree_path_get_indices(path);
 216                 self->sel_index = path_indices[0];
 217                 gtk_tree_path_free(path);
 218
 219                 gtk_tree_model_get(GTK_TREE_MODEL(model), &iter,
 220                                    DATA_COL, &self->current_button,
 221                                    -1);
 222         } else {
 223                 self->current_button = NULL;
 224         }
 225
 226         IRRECO_RETURN
 227
 228 }
 229
 230 gboolean
 231 irreco_theme_creator_buttons_get_iter(IrrecoThemeCreatorButtons *self,
 232                                           gint index, GtkTreeIter * iter)
 233 {
 234         gboolean rvalue;
 235         GtkTreeModel *model;
 236         GtkTreePath *path;
 237         IRRECO_ENTER
 238
 239         model = gtk_tree_view_get_model(GTK_TREE_VIEW(
 240                                         self->view_buttons));
 241         path = gtk_tree_path_new_from_indices(index, -1);
 242         rvalue = gtk_tree_model_get_iter(model, iter, path);
 243         gtk_tree_path_free(path);
 244         IRRECO_RETURN_INT(rvalue);
 245 }
 246
 247 gboolean
 248 irreco_theme_creator_buttons_set_selection(IrrecoThemeCreatorButtons
 249                                                 *self, gint index)
 250 {
 251         GtkTreeIter iter;
 252         IRRECO_ENTER
 253
 254         if (irreco_theme_creator_buttons_get_iter(self, index, &iter)) {
 255                 gtk_tree_selection_select_iter(self->tree_selection, &iter);
 256                 IRRECO_RETURN_BOOL(TRUE);
 257         }
 258         IRRECO_RETURN_BOOL(FALSE);
 259 }
 260 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 261 /* Public Functions                                                           */
 262 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 263
 264 /**
 265  * @name Public Functions
 266  * @{
 267  */
 268
 269 /**
 270  * Set parent window for popup dialogs.
 271  */
 272 void
 273 irreco_theme_creator_buttons_set_parent_window(IrrecoThemeCreatorButtons *self,
 274                                                GtkWindow *parent)
 275 {
 276         IRRECO_ENTER
 277         self->parent_window = parent;
 278         IRRECO_RETURN
 279 }
 280
 281 void
 282 irreco_theme_creator_buttons_refresh(IrrecoThemeCreatorButtons *self)
 283 {
 284
 285         GdkPixbuf                       *unpixbuf = NULL;
 286         GdkPixbuf                       *pixbuf = NULL;
 287         GError                          *error = NULL;
 288         IrrecoData                      *irreco_data = NULL;
 289         IrrecoThemeManager              *manager = NULL;
 290         IrrecoTheme                     *theme;
 291         GtkTreeIter                     iter;
 292         IRRECO_ENTER
 293
 294         gtk_list_store_clear(self->store_buttons);
 295         irreco_data = self->irreco_data;
 296         manager = irreco_data->theme_manager;
 297
 298         theme = self->theme;
 299
 300
 301         IRRECO_STRING_TABLE_FOREACH_DATA(theme->buttons,
 302                                          IrrecoThemeButton *, button)
 303
 304                 irreco_theme_button_print(button);
 305                 unpixbuf = gdk_pixbuf_new_from_file_at_scale(
 306                                                 button->image_up->str,
 307                                                 IRRECO_BUTTON_PREVIEW_WIDHT,
 308                                                 IRRECO_BUTTON_PREVIEW_HEIGHT,
 309                                                 GDK_INTERP_NEAREST, &error);
 310
 311
 312                 if (irreco_gerror_check_print(&error)) {
 313                         IRRECO_RETURN
 314                 }
 315
 316                 pixbuf = gdk_pixbuf_new_from_file_at_scale(
 317                                               button->image_down->str,
 318                                               IRRECO_BUTTON_PREVIEW_WIDHT,
 319                                               IRRECO_BUTTON_PREVIEW_HEIGHT,
 320                                               GDK_INTERP_NEAREST, &error);
 321                 if (irreco_gerror_check_print(&error)) {
 322                         IRRECO_RETURN
 323                 }
 324
 325                 gtk_list_store_append(self->store_buttons, &iter);
 326
 327                 gtk_list_store_set(self->store_buttons, &iter,
 328                                    DATA_COL, button,
 329                                    UNPIXBUF_COL, unpixbuf,
 330                                    PIXBUF_COL, pixbuf,
 331                                    TEXT_COL,
 332                                    button->name->str, -1);
 333                 gtk_tree_view_columns_autosize(GTK_TREE_VIEW(
 334                                                self->view_buttons));
 335         IRRECO_STRING_TABLE_FOREACH_END
 336
 337
 338         if (unpixbuf != NULL) g_object_unref(G_OBJECT(unpixbuf));
 339         if (pixbuf != NULL) g_object_unref(G_OBJECT(pixbuf));
 340
 341         IRRECO_RETURN
 342 }
 343
 344 IrrecoThemeButton
 345 *irreco_theme_creator_buttons_get_selected_button(IrrecoThemeCreatorButtons
 346                                                   *self)
 347 {
 348         IRRECO_ENTER
 349         IRRECO_RETURN_PTR(self->current_button);
 350 }
 351
 352 gboolean
 353 irreco_theme_creator_buttons_remove_selected(IrrecoThemeCreatorButtons *self)
 354 {
 355         gint index;
 356         GtkTreeIter iter;
 357         IRRECO_ENTER
 358
 359         _image_selection_changed(self->tree_selection, self);
 360         if ((index = self->sel_index) == -1
 361             || irreco_theme_creator_buttons_get_iter(self, index, &iter) == FALSE) {
 362                 IRRECO_RETURN_BOOL(FALSE);
 363         }
 364         if(!irreco_theme_creator_buttons_set_selection(self, index - 1)) {
 365                 irreco_theme_creator_buttons_set_selection(self, index + 1);
 366         }
 367
 368         gtk_list_store_remove(self->store_buttons, &iter);
 369         IRRECO_RETURN_BOOL(TRUE);
 370 }