irreco/trunk/src/core/irreco_style_browser_dlg.c

   1 /*
   2  * irreco - Ir Remote Control
   3  * Copyright (C) 2007  Arto Karppinen (arto.karppinen@iki.fi)
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include "irreco_style_browser_dlg.h"
  21 #include "irreco_scrolled_window.h"
  22 #include <hildon/hildon-banner.h>
  23
  24 /**
  25  * @typedef IrrecoStyleBrowser
  26  *
  27  * Dialog which displays a list of button styles to the user, so the user
  28  * can select one.
  29  */
  30
  31 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  32 /* Prototypes                                                                 */
  33 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  34 static gboolean
  35 irreco_style_browser_dlg_loading_loop(IrrecoStyleBrowserDlgLoading *loading);
  36 static void irreco_style_browser_dlg_button_click(IrrecoButton *irreco_button,
  37                                                   IrrecoStyleBrowserDlg *self);
  38 static gboolean irreco_style_browser_dlg_map_event(IrrecoStyleBrowserDlg *self,
  39                                                    GdkEvent *event,
  40                                                    gpointer user_data);
  41 /*static gboolean
  42 irreco_style_browser_dlg_configure_event(IrrecoStyleBrowserDlg *self,
  43                                          GdkEventConfigure *event,
  44                                          gpointer user_data);*/
  45
  46
  47
  48 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  49 /* Construction & Destruction                                                 */
  50 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
  51
  52 G_DEFINE_TYPE(IrrecoStyleBrowserDlg, irreco_style_browser_dlg, IRRECO_TYPE_DLG)
  53
  54 static void irreco_style_browser_dlg_finalize(GObject *object)
  55 {
  56         IRRECO_ENTER
  57         G_OBJECT_CLASS(irreco_style_browser_dlg_parent_class)->finalize(object);
  58         g_hash_table_destroy(IRRECO_STYLE_BROWSER_DLG(object)->layout_array);
  59         IRRECO_RETURN
  60 }
  61
  62 static void irreco_style_browser_dlg_class_init(IrrecoStyleBrowserDlgClass *klass)
  63 {
  64         GObjectClass *object_class = G_OBJECT_CLASS(klass);
  65         object_class->finalize = irreco_style_browser_dlg_finalize;
  66 }
  67
  68 static void irreco_style_browser_dlg_init(IrrecoStyleBrowserDlg *self)
  69 {
  70         GtkWidget *scrolled;
  71         IRRECO_ENTER
  72
  73         /* Create array for irreco layouts. */
  74         self->layout_array = g_hash_table_new_full(
  75                 g_direct_hash, g_direct_equal, NULL,
  76                 G_DESTROYNOTIFY(irreco_button_layout_destroy));
  77
  78         /* Construct dialog. */
  79         gtk_window_set_title(GTK_WINDOW(self), _("Style Browser"));
  80         gtk_window_set_modal(GTK_WINDOW(self), TRUE);
  81         gtk_window_set_destroy_with_parent(GTK_WINDOW(self), TRUE);
  82         gtk_dialog_set_has_separator(GTK_DIALOG(self), FALSE);
  83         gtk_dialog_add_buttons(GTK_DIALOG(self),
  84                                GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
  85                                NULL);
  86
  87         /* Create widgets. */
  88         scrolled = irreco_scrolled_window_new_with_autoresize(300, 700,
  89                                                               200, 300);
  90         self->vbox = gtk_vbox_new(FALSE, 10);
  91
  92         /* Add widgets to dialog. */
  93         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(self)->vbox), scrolled);
  94         irreco_scrolled_window_add(IRRECO_SCROLLED_WINDOW(scrolled),
  95                                    self->vbox);
  96
  97         /* Signal handlers. */
  98         g_signal_connect(G_OBJECT(self), "map-event",
  99                          G_CALLBACK(irreco_style_browser_dlg_map_event), NULL);
 100         /*g_signal_connect(G_OBJECT(self), "configure-event",
 101                          G_CALLBACK(irreco_style_browser_dlg_configure_event),
 102                          NULL);*/
 103
 104         /* Show dialog, hopefully on the left-top corner of the screen. */
 105         gtk_widget_show_all(GTK_WIDGET(self));
 106         gtk_window_move(GTK_WINDOW(self), 80, 60);
 107         IRRECO_RETURN
 108 }
 109
 110 GtkWidget* irreco_style_browser_dlg_new(IrrecoData *irreco_data,
 111                                         GtkWindow *parent)
 112 {
 113         IrrecoStyleBrowserDlg *self;
 114         IRRECO_ENTER
 115
 116         self = g_object_new(IRRECO_TYPE_STYLE_BROWSER_DLG, NULL);
 117         irreco_dlg_set_parent(IRRECO_DLG(self), parent);
 118         irreco_style_browser_dlg_set_irreco_data(self, irreco_data);
 119         IRRECO_RETURN_PTR(self);
 120 }
 121
 122
 123
 124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 125 /* Private Functions                                                          */
 126 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 127
 128 static void irreco_style_browser_dlg_add_style(IrrecoStyleBrowserDlg *self,
 129                                                IrrecoButtonStyle *style)
 130 {
 131         GtkWidget *label;
 132         GtkWidget *hbox;
 133         GtkWidget *fixed;
 134         IrrecoButtonLayout *layout;
 135         IRRECO_ENTER
 136
 137         /* Create widgets. */
 138         if (style == NULL) {
 139                 label = gtk_label_new(_("Normal button"));
 140         } else {
 141                 label = gtk_label_new(style->name);
 142         }
 143         hbox = gtk_hbox_new(FALSE, 10);
 144         fixed = gtk_fixed_new();
 145
 146         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
 147         gtk_box_pack_start(GTK_BOX(hbox), fixed, 0, 0, 0);
 148         gtk_box_pack_end_defaults(GTK_BOX(hbox), label);
 149         gtk_container_add(GTK_CONTAINER(self->vbox), hbox);
 150         gtk_widget_show_all(hbox);
 151
 152         /* Create layout and setup callbacks. */
 153         layout = irreco_button_layout_create(fixed, NULL);
 154         g_hash_table_insert(self->layout_array, layout, layout);
 155         irreco_button_layout_set_press_callback(layout, irreco_button_down);
 156         irreco_button_layout_set_release_callback(
 157                 layout, irreco_style_browser_dlg_button_click);
 158         irreco_button_layout_set_callback_data(layout, self);
 159
 160         /* Create button. */
 161         irreco_button_create(layout, 0, 0, _("Select"), style, NULL);
 162         irreco_button_layout_create_widgets(layout);
 163
 164         IRRECO_RETURN
 165 }
 166
 167 static void irreco_style_browser_dlg_loading_start(IrrecoStyleBrowserDlg *self)
 168 {
 169         IRRECO_ENTER
 170
 171         if (self->loading == NULL) {
 172                 self->loading = g_slice_new0(IrrecoStyleBrowserDlgLoading);
 173                 self->loading->self = self;
 174                 self->loading->len = irreco_string_table_lenght(
 175                         self->irreco_data->button_style_array);
 176                 self->loading->banner = hildon_banner_show_progress(
 177                         GTK_WIDGET(self), NULL, "Loading");
 178                 hildon_banner_set_fraction(HILDON_BANNER(self->loading->banner),
 179                         (float) 1 / (float) self->loading->len);
 180                 g_hash_table_remove_all(self->layout_array);
 181
 182                 /* Add GtkButton layout. */
 183                 irreco_style_browser_dlg_add_style(self, NULL);
 184                 g_idle_add(G_SOURCEFUNC(irreco_style_browser_dlg_loading_loop),
 185                            self->loading);
 186         }
 187         IRRECO_RETURN
 188 }
 189
 190 static void irreco_style_browser_dlg_loading_cancel(IrrecoStyleBrowserDlg *self)
 191 {
 192         IRRECO_ENTER
 193         if (self->loading != NULL) self->loading->self = NULL;
 194         IRRECO_RETURN
 195 }
 196
 197 static gboolean
 198 irreco_style_browser_dlg_loading_loop(IrrecoStyleBrowserDlgLoading *loading)
 199 {
 200         const gchar *key;
 201         gpointer style;
 202         IRRECO_ENTER
 203
 204         /* Use has closed the dialog before the loading has been completed.
 205            When we hit this, Gtk has already destroyed the dialog, so all we
 206            need to do is to realease the loading strucure.*/
 207         if (loading->self == NULL) {
 208                 IRRECO_DEBUG("Cancelling style loading.\n");
 209                 g_slice_free(IrrecoStyleBrowserDlgLoading, loading);
 210                 IRRECO_RETURN_BOOL(FALSE);
 211
 212         } else if (irreco_string_table_index(
 213                         loading->self->irreco_data->button_style_array,
 214                         loading->pos, &key, &style)) {
 215                 IRRECO_DEBUG("Loading style \"%s\".\n", key);
 216                 irreco_style_browser_dlg_add_style(loading->self,
 217                                                    (IrrecoButtonStyle *) style);
 218                 loading->pos = loading->pos + 1;
 219                 hildon_banner_set_fraction(HILDON_BANNER(loading->banner),
 220                         (float) 1 / (float) loading->len
 221                         * (float) loading->pos);
 222                 IRRECO_RETURN_BOOL(TRUE);
 223
 224         } else {
 225                 IRRECO_DEBUG("Loading complete. Cleaning up.\n");
 226                 gtk_widget_destroy(loading->banner);
 227                 loading->self->loading = NULL;
 228                 loading->banner = NULL;
 229                 loading->pos = 0;
 230                 g_slice_free(IrrecoStyleBrowserDlgLoading, loading);
 231                 IRRECO_RETURN_BOOL(FALSE);
 232         }
 233 }
 234
 235
 236
 237 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 238 /* Functions                                                                  */
 239 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 240
 241 void irreco_style_browser_dlg_set_irreco_data(IrrecoStyleBrowserDlg *self,
 242                                               IrrecoData *irreco_data)
 243 {
 244         IRRECO_ENTER
 245         self->irreco_data = irreco_data;
 246         IRRECO_RETURN
 247 }
 248
 249 gboolean irreco_show_style_browser_dlg(IrrecoData *irreco_data,
 250                                        GtkWindow *parent,
 251                                        IrrecoButtonStyle **style)
 252 {
 253         gint response;
 254         IrrecoStyleBrowserDlg *self;
 255         IRRECO_ENTER
 256
 257         self = IRRECO_STYLE_BROWSER_DLG(irreco_style_browser_dlg_new(
 258                                         irreco_data, parent));
 259         response = gtk_dialog_run(GTK_DIALOG(self));
 260         irreco_style_browser_dlg_loading_cancel(self);
 261
 262         if (response == 1) *style = self->style;
 263         gtk_widget_destroy(GTK_WIDGET(self));
 264
 265         if (response == 1) IRRECO_RETURN_BOOL(TRUE);
 266         IRRECO_RETURN_BOOL(FALSE);
 267 }
 268
 269
 270
 271 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 272 /* Events and Callbacks                                                       */
 273 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*/
 274
 275 static void irreco_style_browser_dlg_button_click(IrrecoButton *irreco_button,
 276                                                   IrrecoStyleBrowserDlg *self)
 277 {
 278         IRRECO_ENTER
 279         self->style = irreco_button->style;
 280         gtk_dialog_response(GTK_DIALOG(self), 1);
 281         IRRECO_RETURN
 282 }
 283
 284 static gboolean irreco_style_browser_dlg_map_event(IrrecoStyleBrowserDlg *self,
 285                                                    GdkEvent *event,
 286                                                    gpointer user_data)
 287 {
 288         IRRECO_ENTER
 289         irreco_style_browser_dlg_loading_start(self);
 290         IRRECO_RETURN_BOOL(FALSE);
 291 }
 292
 293 /*
 294 static gboolean
 295 irreco_style_browser_dlg_configure_event(IrrecoStyleBrowserDlg *self,
 296                                          GdkEventConfigure *event,
 297                                          gpointer user_data)
 298 {
 299         IRRECO_ENTER
 300         IRRECO_PRINTF("Dialog position x%i y%i\n", event->x, event->y);
 301         IRRECO_RETURN_BOOL(FALSE);
 302 }
 303 */
 304
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