info.c

   1 /* info.c */
   2 /* creates the UI for the info frame -
   3  * controlled through the following interfaces:
   4  *
   5  * void show_dive_info(struct dive *dive)
   6  *
   7  * called from gtk-ui:
   8  * GtkWidget *extended_dive_info_widget(void)
   9  */
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <stdlib.h>
  13 #include <time.h>
  14 #include <ctype.h>
  15
  16 #include "dive.h"
  17 #include "display.h"
  18 #include "display-gtk.h"
  19 #include "divelist.h"
  20
  21 static GtkEntry *location, *buddy, *divemaster, *rating;
  22 static GtkTextView *notes;
  23 static GtkListStore *location_list, *people_list, *star_list;
  24
  25 static char *get_text(GtkTextView *view)
  26 {
  27         GtkTextBuffer *buffer;
  28         GtkTextIter start;
  29         GtkTextIter end;
  30
  31         buffer = gtk_text_view_get_buffer(view);
  32         gtk_text_buffer_get_start_iter(buffer, &start);
  33         gtk_text_buffer_get_end_iter(buffer, &end);
  34         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
  35 }
  36
  37 /* old is NULL or a valid string, new is a valid string
  38  * NOTW: NULL and "" need to be treated as "unchanged" */
  39 static int text_changed(const char *old, const char *new)
  40 {
  41         return (old && strcmp(old,new)) ||
  42                 (!old && strcmp("",new));
  43 }
  44
  45 static char *get_combo_box_entry_text(GtkComboBoxEntry *combo_box, char **textp)
  46 {
  47         char *old = *textp;
  48         const gchar *new;
  49         GtkEntry *entry;
  50
  51         entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo_box)));
  52         new = gtk_entry_get_text(entry);
  53         while (isspace(*new))
  54                 new++;
  55         if (!text_changed(old,new))
  56                 return NULL;
  57         free(old);
  58         *textp = strdup(new);
  59         return *textp;
  60 }
  61
  62 #define SET_TEXT_VALUE(x) \
  63         gtk_entry_set_text(x, dive && dive->x ? dive->x : "")
  64
  65 static int divename(char *buf, size_t size, struct dive *dive)
  66 {
  67         struct tm *tm = gmtime(&dive->when);
  68         return snprintf(buf, size, "Dive #%d - %s %02d/%02d/%04d at %d:%02d",
  69                 dive->number,
  70                 weekday(tm->tm_wday),
  71                 tm->tm_mon+1, tm->tm_mday,
  72                 tm->tm_year+1900,
  73                 tm->tm_hour, tm->tm_min);
  74 }
  75
  76 void show_dive_info(struct dive *dive)
  77 {
  78         const char *text;
  79         char buffer[80];
  80
  81         /* dive number and location (or lacking that, the date) go in the window title */
  82         text = dive->location;
  83         if (!text)
  84                 text = "";
  85         if (*text) {
  86                 snprintf(buffer, sizeof(buffer), "Dive #%d - %s", dive->number, text);
  87         } else {
  88                 divename(buffer, sizeof(buffer), dive);
  89         }
  90         text = buffer;
  91         if (!dive->number)
  92                 text += 10;     /* Skip the "Dive #0 - " part */
  93         gtk_window_set_title(GTK_WINDOW(main_window), text);
  94
  95         SET_TEXT_VALUE(divemaster);
  96         SET_TEXT_VALUE(buddy);
  97         SET_TEXT_VALUE(location);
  98         gtk_entry_set_text(rating, star_strings[dive->rating]);
  99         gtk_text_buffer_set_text(gtk_text_view_get_buffer(notes),
 100                 dive && dive->notes ? dive->notes : "", -1);
 101 }
 102
 103 static int delete_dive_info(struct dive *dive)
 104 {
 105         int success;
 106         GtkWidget *dialog;
 107
 108         if (!dive)
 109                 return 0;
 110
 111         dialog = gtk_dialog_new_with_buttons("Delete Dive",
 112                 GTK_WINDOW(main_window),
 113                 GTK_DIALOG_DESTROY_WITH_PARENT,
 114                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 115                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 116                 NULL);
 117
 118         gtk_widget_show_all(dialog);
 119         success = gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT;
 120         if (success) {
 121                 delete_dive(dive);
 122                 mark_divelist_changed(TRUE);
 123                 dive_list_update_dives();
 124         }
 125
 126         gtk_widget_destroy(dialog);
 127
 128         return success;
 129 }
 130
 131 static void info_menu_edit_cb(GtkMenuItem *menuitem, gpointer user_data)
 132 {
 133         edit_dive_info(current_dive);
 134 }
 135
 136 static void info_menu_delete_cb(GtkMenuItem *menuitem, gpointer user_data)
 137 {
 138         delete_dive_info(current_dive);
 139 }
 140
 141 static void add_menu_item(GtkMenu *menu, const char *label, void (*cb)(GtkMenuItem *, gpointer))
 142 {
 143         GtkWidget *item = gtk_menu_item_new_with_label(label);
 144         g_signal_connect(item, "activate", G_CALLBACK(cb), NULL);
 145         gtk_widget_show(item); /* Yes, really */
 146         gtk_menu_prepend(menu, item);
 147 }
 148
 149 static void populate_popup_cb(GtkTextView *entry, GtkMenu *menu, gpointer user_data)
 150 {
 151         add_menu_item(menu, "Delete", info_menu_delete_cb);
 152         add_menu_item(menu, "Edit", info_menu_edit_cb);
 153 }
 154
 155 static GtkEntry *text_value(GtkWidget *box, const char *label)
 156 {
 157         GtkWidget *widget;
 158         GtkWidget *frame = gtk_frame_new(label);
 159
 160         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 161         widget = gtk_entry_new();
 162         gtk_widget_set_can_focus(widget, FALSE);
 163         gtk_editable_set_editable(GTK_EDITABLE(widget), FALSE);
 164         gtk_container_add(GTK_CONTAINER(frame), widget);
 165         g_signal_connect(widget, "populate-popup", G_CALLBACK(populate_popup_cb), NULL);
 166         return GTK_ENTRY(widget);
 167 }
 168
 169 static GtkComboBoxEntry *text_entry(GtkWidget *box, const char *label, GtkListStore *completions, const char *text)
 170 {
 171         GtkEntry *entry;
 172         GtkWidget *combo_box;
 173         GtkWidget *frame = gtk_frame_new(label);
 174         GtkEntryCompletion *completion;
 175
 176         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 177
 178         combo_box = gtk_combo_box_entry_new_with_model(GTK_TREE_MODEL(completions), 0);
 179         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 180
 181         entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo_box)));
 182         if (text && *text)
 183                 gtk_entry_set_text(entry, text);
 184
 185         completion = gtk_entry_completion_new();
 186         gtk_entry_completion_set_text_column(completion, 0);
 187         gtk_entry_completion_set_model(completion, GTK_TREE_MODEL(completions));
 188         gtk_entry_completion_set_inline_completion(completion, TRUE);
 189         gtk_entry_completion_set_inline_selection(completion, TRUE);
 190         gtk_entry_completion_set_popup_single_match(completion, FALSE);
 191         gtk_entry_set_completion(entry, completion);
 192
 193         return GTK_COMBO_BOX_ENTRY(combo_box);
 194 }
 195
 196 enum writable {
 197         READ_ONLY,
 198         READ_WRITE
 199 };
 200
 201 static GtkTextView *text_view(GtkWidget *box, const char *label, enum writable writable)
 202 {
 203         GtkWidget *view, *vbox;
 204         GtkWidget *frame = gtk_frame_new(label);
 205
 206         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
 207         box = gtk_hbox_new(FALSE, 3);
 208         gtk_container_add(GTK_CONTAINER(frame), box);
 209         vbox = gtk_vbox_new(FALSE, 3);
 210         gtk_container_add(GTK_CONTAINER(box), vbox);
 211
 212         GtkWidget* scrolled_window = gtk_scrolled_window_new(0, 0);
 213         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 214         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), GTK_SHADOW_IN);
 215
 216         view = gtk_text_view_new();
 217         if (writable == READ_ONLY) {
 218                 gtk_widget_set_can_focus(view, FALSE);
 219                 gtk_text_view_set_editable(GTK_TEXT_VIEW(view), FALSE);
 220                 gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(view), FALSE);
 221                 g_signal_connect(view, "populate-popup", G_CALLBACK(populate_popup_cb), NULL);
 222         }
 223         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(view), GTK_WRAP_WORD);
 224         gtk_container_add(GTK_CONTAINER(scrolled_window), view);
 225         gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0);
 226         return GTK_TEXT_VIEW(view);
 227 }
 228
 229 static enum {
 230         MATCH_EXACT,
 231         MATCH_PREPEND,
 232         MATCH_AFTER
 233 } found_string_entry;
 234 static GtkTreeIter string_entry_location;
 235
 236 static gboolean match_string_entry(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 237 {
 238         const char *string = data;
 239         char *entry;
 240         int cmp;
 241
 242         gtk_tree_model_get(model, iter, 0, &entry, -1);
 243         cmp = strcmp(entry, string);
 244
 245         /* Stop. The entry is bigger than the new one */
 246         if (cmp > 0)
 247                 return TRUE;
 248
 249         /* Exact match */
 250         if (!cmp) {
 251                 found_string_entry = MATCH_EXACT;
 252                 return TRUE;
 253         }
 254
 255         string_entry_location = *iter;
 256         found_string_entry = MATCH_AFTER;
 257         return FALSE;
 258 }
 259
 260 static int match_list(GtkListStore *list, const char *string)
 261 {
 262         found_string_entry = MATCH_PREPEND;
 263         gtk_tree_model_foreach(GTK_TREE_MODEL(list), match_string_entry, (void *)string);
 264         return found_string_entry;
 265 }
 266
 267 static void add_string_list_entry(const char *string, GtkListStore *list)
 268 {
 269         GtkTreeIter *iter, loc;
 270
 271         if (!string || !*string)
 272                 return;
 273
 274         switch (match_list(list, string)) {
 275         case MATCH_EXACT:
 276                 return;
 277         case MATCH_PREPEND:
 278                 iter = NULL;
 279                 break;
 280         case MATCH_AFTER:
 281                 iter = &string_entry_location;
 282                 break;
 283         }
 284         gtk_list_store_insert_after(list, &loc, iter);
 285         gtk_list_store_set(list, &loc, 0, string, -1);
 286 }
 287
 288 void add_people(const char *string)
 289 {
 290         add_string_list_entry(string, people_list);
 291 }
 292
 293 void add_location(const char *string)
 294 {
 295         add_string_list_entry(string, location_list);
 296 }
 297
 298 static int get_rating(const char *string)
 299 {
 300         int rating_val = 0;
 301         int i;
 302
 303         for (i = 0; i <= 5; i++)
 304                 if (!strcmp(star_strings[i],string))
 305                         rating_val = i;
 306         return rating_val;
 307 }
 308
 309 struct dive_info {
 310         GtkComboBoxEntry *location, *divemaster, *buddy, *rating;
 311         GtkTextView *notes;
 312 };
 313
 314 static void save_dive_info_changes(struct dive *dive, struct dive_info *info)
 315 {
 316         char *old_text, *new_text;
 317         char *rating_string;
 318         int changed = 0;
 319
 320         new_text = get_combo_box_entry_text(info->location, &dive->location);
 321         if (new_text) {
 322                 add_location(new_text);
 323                 changed = 1;
 324         }
 325
 326         new_text = get_combo_box_entry_text(info->divemaster, &dive->divemaster);
 327         if (new_text) {
 328                 add_people(new_text);
 329                 changed = 1;
 330         }
 331
 332         new_text = get_combo_box_entry_text(info->buddy, &dive->buddy);
 333         if (new_text) {
 334                 add_people(new_text);
 335                 changed = 1;
 336         }
 337
 338         rating_string = strdup(star_strings[dive->rating]);
 339         new_text = get_combo_box_entry_text(info->rating, &rating_string);
 340         if (new_text) {
 341                 dive->rating = get_rating(rating_string);
 342                 free(rating_string);
 343                 changed =1;
 344         }
 345
 346         old_text = dive->notes;
 347         dive->notes = get_text(info->notes);
 348         if (text_changed(old_text,dive->notes))
 349                 changed = 1;
 350         if (old_text)
 351                 g_free(old_text);
 352
 353         if (changed) {
 354                 mark_divelist_changed(TRUE);
 355                 update_dive(dive);
 356         }
 357 }
 358
 359 static void dive_info_widget(GtkWidget *box, struct dive *dive, struct dive_info *info)
 360 {
 361         GtkWidget *hbox, *label, *cylinder, *frame;
 362         char buffer[80];
 363
 364         divename(buffer, sizeof(buffer), dive);
 365         label = gtk_label_new(buffer);
 366         gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
 367
 368         info->location = text_entry(box, "Location", location_list, dive->location);
 369
 370         hbox = gtk_hbox_new(FALSE, 3);
 371         gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, TRUE, 0);
 372
 373         info->divemaster = text_entry(hbox, "Dive master", people_list, dive->divemaster);
 374         info->buddy = text_entry(hbox, "Buddy", people_list, dive->buddy);
 375
 376         hbox = gtk_hbox_new(FALSE, 3);
 377         gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, TRUE, 0);
 378
 379         info->rating = text_entry(hbox, "Rating", star_list, star_strings[dive->rating]);
 380
 381         info->notes = text_view(box, "Notes", READ_WRITE);
 382         if (dive->notes && *dive->notes)
 383                 gtk_text_buffer_set_text(gtk_text_view_get_buffer(info->notes), dive->notes, -1);
 384
 385         hbox = gtk_hbox_new(FALSE, 3);
 386         gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, TRUE, 0);
 387
 388         frame = gtk_frame_new("Cylinder");
 389         cylinder = cylinder_list_widget();
 390         gtk_container_add(GTK_CONTAINER(frame), cylinder);
 391         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, TRUE, 0);
 392 }
 393
 394 int edit_dive_info(struct dive *dive)
 395 {
 396         int success;
 397         GtkWidget *dialog, *vbox;
 398         struct dive_info info;
 399
 400         if (!dive)
 401                 return 0;
 402
 403         dialog = gtk_dialog_new_with_buttons("Dive Info",
 404                 GTK_WINDOW(main_window),
 405                 GTK_DIALOG_DESTROY_WITH_PARENT,
 406                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 407                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 408                 NULL);
 409
 410         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 411         dive_info_widget(vbox, dive, &info);
 412
 413         gtk_widget_show_all(dialog);
 414         success = gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT;
 415         if (success)
 416                 save_dive_info_changes(dive, &info);
 417
 418         gtk_widget_destroy(dialog);
 419
 420         return success;
 421 }
 422
 423 /* Fixme - should do at least depths too - a dive without a depth is kind of pointless */
 424 static time_t dive_time_widget(struct dive *dive)
 425 {
 426         GtkWidget *dialog;
 427         GtkWidget *cal, *hbox, *vbox;
 428         GtkWidget *h, *m;
 429         GtkWidget *duration;
 430         GtkWidget *label;
 431         guint yval, mval, dval;
 432         struct tm tm;
 433         int success;
 434
 435         dialog = gtk_dialog_new_with_buttons("Date and Time",
 436                 GTK_WINDOW(main_window),
 437                 GTK_DIALOG_DESTROY_WITH_PARENT,
 438                 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
 439                 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
 440                 NULL);
 441
 442         vbox = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
 443
 444         /* Calendar hbox */
 445         hbox = gtk_hbox_new(0, 3);
 446         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 447
 448         cal = gtk_calendar_new();
 449         gtk_box_pack_start(GTK_BOX(hbox), cal, FALSE, TRUE, 0);
 450
 451         /* Time/duration hbox */
 452         hbox = gtk_hbox_new(0, 3);
 453         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 454
 455         h = gtk_spin_button_new_with_range (0.0, 23.0, 1.0);
 456         m = gtk_spin_button_new_with_range (0.0, 59.0, 1.0);
 457
 458         gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(h), TRUE);
 459         gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(m), TRUE);
 460
 461         duration = gtk_spin_button_new_with_range (0.0, 1000.0, 1.0);
 462
 463         gtk_box_pack_start(GTK_BOX(hbox), h, FALSE, FALSE, 0);
 464         label = gtk_label_new(":");
 465         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 466         gtk_box_pack_start(GTK_BOX(hbox), m, FALSE, FALSE, 0);
 467
 468         label = gtk_label_new("   Duration:");
 469         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 470         gtk_box_pack_start(GTK_BOX(hbox), duration, FALSE, FALSE, 0);
 471
 472         gtk_widget_show_all(dialog);
 473         success = gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT;
 474         if (!success) {
 475                 gtk_widget_destroy(dialog);
 476                 return 0;
 477         }
 478
 479         memset(&tm, 0, sizeof(tm));
 480         gtk_calendar_get_date(GTK_CALENDAR(cal), &yval, &mval, &dval);
 481         tm.tm_year = yval;
 482         tm.tm_mon = mval;
 483         tm.tm_mday = dval;
 484
 485         tm.tm_hour = gtk_spin_button_get_value(GTK_SPIN_BUTTON(h));
 486         tm.tm_min = gtk_spin_button_get_value(GTK_SPIN_BUTTON(m));
 487
 488         dive->duration.seconds = gtk_spin_button_get_value(GTK_SPIN_BUTTON(duration))*60;
 489
 490         gtk_widget_destroy(dialog);
 491         dive->when = utc_mktime(&tm);
 492
 493         return 1;
 494 }
 495
 496 int add_new_dive(struct dive *dive)
 497 {
 498         if (!dive)
 499                 return 0;
 500
 501         if (!dive_time_widget(dive))
 502                 return 0;
 503
 504         return edit_dive_info(dive);
 505 }
 506
 507 GtkWidget *extended_dive_info_widget(void)
 508 {
 509         GtkWidget *vbox, *hbox;
 510         vbox = gtk_vbox_new(FALSE, 6);
 511
 512         people_list = gtk_list_store_new(1, G_TYPE_STRING);
 513         location_list = gtk_list_store_new(1, G_TYPE_STRING);
 514         star_list = gtk_list_store_new(1, G_TYPE_STRING);
 515         add_string_list_entry(ZERO_STARS, star_list);
 516         add_string_list_entry(ONE_STARS, star_list);
 517         add_string_list_entry(TWO_STARS, star_list);
 518         add_string_list_entry(THREE_STARS, star_list);
 519         add_string_list_entry(FOUR_STARS, star_list);
 520         add_string_list_entry(FIVE_STARS, star_list);
 521
 522         gtk_container_set_border_width(GTK_CONTAINER(vbox), 6);
 523         location = text_value(vbox, "Location");
 524
 525         hbox = gtk_hbox_new(FALSE, 3);
 526         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 527
 528         divemaster = text_value(hbox, "Divemaster");
 529         buddy = text_value(hbox, "Buddy");
 530
 531         hbox = gtk_hbox_new(FALSE, 3);
 532         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 533
 534         rating = text_value(hbox, "Rating");
 535
 536         notes = text_view(vbox, "Notes", READ_ONLY);
 537         return vbox;
 538 }