info.c

   1 /* info.c */
   2 /* creates the UI for the info frame -
   3  * controlled through the following interfaces:
   4  *
   5  * void flush_dive_info_changes(struct dive *dive)
   6  * void show_dive_info(struct dive *dive)
   7  *
   8  * called from gtk-ui:
   9  * GtkWidget *extended_dive_info_widget(void)
  10  */
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <stdlib.h>
  14 #include <time.h>
  15 #include <ctype.h>
  16
  17 #include "dive.h"
  18 #include "display.h"
  19 #include "display-gtk.h"
  20 #include "divelist.h"
  21
  22 static GtkEntry *location, *buddy, *divemaster;
  23 static GtkTextBuffer *notes;
  24
  25 #define unused /**/
  26
  27 unused char *get_text(GtkTextBuffer *buffer)
  28 {
  29         GtkTextIter start;
  30         GtkTextIter end;
  31
  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 unused 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
  63 void flush_dive_info_changes(struct dive *dive)
  64 {
  65 #if 0
  66         char *old_text, *new_text;
  67         int changed = 0;
  68
  69         if (!dive)
  70                 return;
  71
  72         new_text = get_combo_box_entry_text(location, &dive->location);
  73         if (new_text) {
  74                 add_location(new_text);
  75                 changed = 1;
  76         }
  77
  78         new_text = get_combo_box_entry_text(divemaster, &dive->divemaster);
  79         if (new_text) {
  80                 add_people(new_text);
  81                 changed = 1;
  82         }
  83
  84         new_text = get_combo_box_entry_text(buddy, &dive->buddy);
  85         if (new_text) {
  86                 add_people(new_text);
  87                 changed = 1;
  88         }
  89
  90         old_text = dive->notes;
  91         dive->notes = get_text(notes);
  92         if (text_changed(old_text,dive->notes))
  93                 changed = 1;
  94         if (old_text)
  95                 g_free(old_text);
  96
  97         if (changed)
  98                 mark_divelist_changed(TRUE);
  99 #endif
 100 }
 101
 102 #define SET_TEXT_VALUE(x) \
 103         gtk_entry_set_text(x, dive && dive->x ? dive->x : "")
 104
 105 void show_dive_info(struct dive *dive)
 106 {
 107         struct tm *tm;
 108         const char *text;
 109         char buffer[80];
 110
 111         /* dive number and location (or lacking that, the date) go in the window title */
 112         tm = gmtime(&dive->when);
 113         text = dive->location;
 114         if (!text)
 115                 text = "";
 116         if (*text) {
 117                 snprintf(buffer, sizeof(buffer), "Dive #%d - %s", dive->number, text);
 118         } else {
 119                 snprintf(buffer, sizeof(buffer), "Dive #%d - %s %02d/%02d/%04d at %d:%02d",
 120                         dive->number,
 121                         weekday(tm->tm_wday),
 122                         tm->tm_mon+1, tm->tm_mday,
 123                         tm->tm_year+1900,
 124                         tm->tm_hour, tm->tm_min);
 125         }
 126         text = buffer;
 127         if (!dive->number)
 128                 text += 10;     /* Skip the "Dive #0 - " part */
 129         gtk_window_set_title(GTK_WINDOW(main_window), text);
 130
 131         SET_TEXT_VALUE(divemaster);
 132         SET_TEXT_VALUE(buddy);
 133         SET_TEXT_VALUE(location);
 134         gtk_text_buffer_set_text(notes, dive && dive->notes ? dive->notes : "", -1);
 135 }
 136
 137 static GtkEntry *text_value(GtkWidget *box, const char *label)
 138 {
 139         GtkWidget *widget;
 140         GtkWidget *frame = gtk_frame_new(label);
 141
 142         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 143         widget = gtk_entry_new();
 144         gtk_widget_set_can_focus(widget, FALSE);
 145         gtk_editable_set_editable(GTK_EDITABLE(widget), FALSE);
 146         gtk_container_add(GTK_CONTAINER(frame), widget);
 147         return GTK_ENTRY(widget);
 148 }
 149
 150 unused GtkComboBoxEntry *text_entry(GtkWidget *box, const char *label, GtkListStore *completions)
 151 {
 152         GtkEntry *entry;
 153         GtkWidget *combo_box;
 154         GtkWidget *frame = gtk_frame_new(label);
 155         GtkEntryCompletion *completion;
 156
 157         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 158
 159         combo_box = gtk_combo_box_entry_new_with_model(GTK_TREE_MODEL(completions), 0);
 160         gtk_container_add(GTK_CONTAINER(frame), combo_box);
 161
 162         entry = GTK_ENTRY(GTK_BIN(combo_box)->child);
 163
 164         completion = gtk_entry_completion_new();
 165         gtk_entry_completion_set_text_column(completion, 0);
 166         gtk_entry_completion_set_model(completion, GTK_TREE_MODEL(completions));
 167         gtk_entry_completion_set_inline_completion(completion, TRUE);
 168         gtk_entry_completion_set_inline_selection(completion, TRUE);
 169         gtk_entry_completion_set_popup_single_match(completion, FALSE);
 170         gtk_entry_set_completion(entry, completion);
 171
 172         return GTK_COMBO_BOX_ENTRY(combo_box);
 173 }
 174
 175 static GtkTextBuffer *text_view(GtkWidget *box, const char *label)
 176 {
 177         GtkWidget *view, *vbox;
 178         GtkTextBuffer *buffer;
 179         GtkWidget *frame = gtk_frame_new(label);
 180
 181         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
 182         box = gtk_hbox_new(FALSE, 3);
 183         gtk_container_add(GTK_CONTAINER(frame), box);
 184         vbox = gtk_vbox_new(FALSE, 3);
 185         gtk_container_add(GTK_CONTAINER(box), vbox);
 186
 187         GtkWidget* scrolled_window = gtk_scrolled_window_new(0, 0);
 188         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 189         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), GTK_SHADOW_IN);
 190
 191         view = gtk_text_view_new();
 192         gtk_widget_set_can_focus(view, FALSE);
 193         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(view), GTK_WRAP_WORD);
 194         gtk_text_view_set_editable(GTK_TEXT_VIEW(view), FALSE);
 195         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(view), FALSE);
 196         gtk_container_add(GTK_CONTAINER(scrolled_window), view);
 197
 198         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 199
 200         gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0);
 201         return buffer;
 202 }
 203
 204 static enum {
 205         MATCH_EXACT,
 206         MATCH_PREPEND,
 207         MATCH_AFTER
 208 } found_string_entry;
 209 static GtkTreeIter string_entry_location;
 210
 211 static gboolean match_string_entry(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 212 {
 213         const char *string = data;
 214         char *entry;
 215         int cmp;
 216
 217         gtk_tree_model_get(model, iter, 0, &entry, -1);
 218         cmp = strcmp(entry, string);
 219
 220         /* Stop. The entry is bigger than the new one */
 221         if (cmp > 0)
 222                 return TRUE;
 223
 224         /* Exact match */
 225         if (!cmp) {
 226                 found_string_entry = MATCH_EXACT;
 227                 return TRUE;
 228         }
 229
 230         string_entry_location = *iter;
 231         found_string_entry = MATCH_AFTER;
 232         return FALSE;
 233 }
 234
 235 static int match_list(GtkListStore *list, const char *string)
 236 {
 237         found_string_entry = MATCH_PREPEND;
 238         gtk_tree_model_foreach(GTK_TREE_MODEL(list), match_string_entry, (void *)string);
 239         return found_string_entry;
 240 }
 241
 242 static GtkListStore *location_list, *people_list;
 243
 244 static void add_string_list_entry(const char *string, GtkListStore *list)
 245 {
 246         GtkTreeIter *iter, loc;
 247
 248         if (!string || !*string)
 249                 return;
 250
 251         switch (match_list(list, string)) {
 252         case MATCH_EXACT:
 253                 return;
 254         case MATCH_PREPEND:
 255                 iter = NULL;
 256                 break;
 257         case MATCH_AFTER:
 258                 iter = &string_entry_location;
 259                 break;
 260         }
 261         gtk_list_store_insert_after(list, &loc, iter);
 262         gtk_list_store_set(list, &loc, 0, string, -1);
 263 }
 264
 265 void add_people(const char *string)
 266 {
 267         add_string_list_entry(string, people_list);
 268 }
 269
 270 void add_location(const char *string)
 271 {
 272         add_string_list_entry(string, location_list);
 273 }
 274
 275 GtkWidget *extended_dive_info_widget(void)
 276 {
 277         GtkWidget *vbox, *hbox;
 278         vbox = gtk_vbox_new(FALSE, 6);
 279
 280         people_list = gtk_list_store_new(1, G_TYPE_STRING);
 281         location_list = gtk_list_store_new(1, G_TYPE_STRING);
 282
 283         gtk_container_set_border_width(GTK_CONTAINER(vbox), 6);
 284         location = text_value(vbox, "Location");
 285
 286         hbox = gtk_hbox_new(FALSE, 3);
 287         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 288
 289         divemaster = text_value(hbox, "Divemaster");
 290         buddy = text_value(hbox, "Buddy");
 291
 292         notes = text_view(vbox, "Notes");
 293         return vbox;
 294 }