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
  16 #include "dive.h"
  17 #include "display.h"
  18 #include "display-gtk.h"
  19 #include "divelist.h"
  20
  21 static GtkEntry *location, *buddy, *divemaster;
  22 static GtkTextBuffer *notes;
  23 static int location_changed = 1, notes_changed = 1;
  24 static int divemaster_changed = 1, buddy_changed = 1;
  25
  26 static char *get_text(GtkTextBuffer *buffer)
  27 {
  28         GtkTextIter start;
  29         GtkTextIter end;
  30
  31         gtk_text_buffer_get_start_iter(buffer, &start);
  32         gtk_text_buffer_get_end_iter(buffer, &end);
  33         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
  34 }
  35
  36 /* old is NULL or a valid string, new is a valid string
  37  * NOTW: NULL and "" need to be treated as "unchanged" */
  38 static int text_changed(char *old, char *new)
  39 {
  40         return ((old && strcmp(old,new)) ||
  41                 (!old && strcmp("",new)));
  42 }
  43
  44 void flush_dive_info_changes(struct dive *dive)
  45 {
  46         char *old_text;
  47         int changed = 0;
  48
  49         if (!dive)
  50                 return;
  51
  52         if (location_changed) {
  53                 old_text = dive->location;
  54                 dive->location = gtk_editable_get_chars(GTK_EDITABLE(location), 0, -1);
  55                 if (text_changed(old_text,dive->location))
  56                         changed = 1;
  57                 if (old_text)
  58                         g_free(old_text);
  59         }
  60
  61         if (divemaster_changed) {
  62                 old_text = dive->divemaster;
  63                 dive->divemaster = gtk_editable_get_chars(GTK_EDITABLE(divemaster), 0, -1);
  64                 if (text_changed(old_text,dive->divemaster))
  65                         changed = 1;
  66                 if (old_text)
  67                         g_free(old_text);
  68         }
  69
  70         if (buddy_changed) {
  71                 old_text = dive->buddy;
  72                 dive->buddy = gtk_editable_get_chars(GTK_EDITABLE(buddy), 0, -1);
  73                 if (text_changed(old_text,dive->buddy))
  74                         changed = 1;
  75                 if (old_text)
  76                         g_free(old_text);
  77         }
  78
  79         if (notes_changed) {
  80                 old_text = dive->notes;
  81                 dive->notes = get_text(notes);
  82                 if (text_changed(old_text,dive->notes))
  83                         changed = 1;
  84                 if (old_text)
  85                         g_free(old_text);
  86         }
  87         if (changed)
  88                 mark_divelist_changed(TRUE);
  89 }
  90
  91 #define SET_TEXT_ENTRY(x) \
  92         gtk_entry_set_text(x, dive && dive->x ? dive->x : "")
  93
  94 void show_dive_info(struct dive *dive)
  95 {
  96         struct tm *tm;
  97         const char *text;
  98         char buffer[80];
  99
 100         /* dive number and location (or lacking that, the date) go in the window title */
 101         tm = gmtime(&dive->when);
 102         text = dive->location;
 103         if (!text)
 104                 text = "";
 105         if (*text) {
 106                 snprintf(buffer, sizeof(buffer), "Dive #%d - %s", dive->number, text);
 107         } else {
 108                 snprintf(buffer, sizeof(buffer), "Dive #%d - %s %02d/%02d/%04d at %d:%02d",
 109                         dive->number,
 110                         weekday(tm->tm_wday),
 111                         tm->tm_mon+1, tm->tm_mday,
 112                         tm->tm_year+1900,
 113                         tm->tm_hour, tm->tm_min);
 114         }
 115         text = buffer;
 116         if (!dive->number)
 117                 text += 10;     /* Skip the "Dive #0 - " part */
 118         gtk_window_set_title(GTK_WINDOW(main_window), text);
 119
 120         SET_TEXT_ENTRY(divemaster);
 121         SET_TEXT_ENTRY(buddy);
 122         SET_TEXT_ENTRY(location);
 123         gtk_text_buffer_set_text(notes, dive && dive->notes ? dive->notes : "", -1);
 124 }
 125
 126 static GtkEntry *text_entry(GtkWidget *box, const char *label, GtkListStore *completions)
 127 {
 128         GtkWidget *entry;
 129         GtkWidget *frame = gtk_frame_new(label);
 130
 131         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, TRUE, 0);
 132
 133         entry = gtk_entry_new();
 134         gtk_container_add(GTK_CONTAINER(frame), entry);
 135
 136         if (completions) {
 137                 GtkEntryCompletion *completion;
 138                 completion = gtk_entry_completion_new();
 139                 gtk_entry_completion_set_text_column(completion, 0);
 140                 gtk_entry_completion_set_model(completion, GTK_TREE_MODEL(completions));
 141                 gtk_entry_set_completion(GTK_ENTRY(entry), completion);
 142         }
 143
 144         return GTK_ENTRY(entry);
 145 }
 146
 147 static GtkTextBuffer *text_view(GtkWidget *box, const char *label)
 148 {
 149         GtkWidget *view, *vbox;
 150         GtkTextBuffer *buffer;
 151         GtkWidget *frame = gtk_frame_new(label);
 152
 153         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
 154         box = gtk_hbox_new(FALSE, 3);
 155         gtk_container_add(GTK_CONTAINER(frame), box);
 156         vbox = gtk_vbox_new(FALSE, 3);
 157         gtk_container_add(GTK_CONTAINER(box), vbox);
 158
 159         GtkWidget* scrolled_window = gtk_scrolled_window_new(0, 0);
 160         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 161         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), GTK_SHADOW_IN);
 162
 163         view = gtk_text_view_new();
 164         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(view), GTK_WRAP_WORD);
 165         gtk_container_add(GTK_CONTAINER(scrolled_window), view);
 166
 167         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 168
 169         gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0);
 170         return buffer;
 171 }
 172
 173 static int found_string_entry;
 174
 175 static gboolean match_string_entry(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 176 {
 177         const char *string = data;
 178         char *entry;
 179
 180         gtk_tree_model_get(model, iter, 0, &entry, -1);
 181         if (strcmp(entry, string))
 182                 return FALSE;
 183         found_string_entry = 1;
 184         return TRUE;
 185 }
 186
 187 static int match_list(GtkListStore *list, const char *string)
 188 {
 189         found_string_entry = 0;
 190         gtk_tree_model_foreach(GTK_TREE_MODEL(list), match_string_entry, (void *)string);
 191         return found_string_entry;
 192 }
 193
 194 static GtkListStore *location_list, *people_list;
 195
 196 static void add_string_list_entry(const char *string, GtkListStore *list)
 197 {
 198         GtkTreeIter iter;
 199
 200         if (!string || !*string)
 201                 return;
 202
 203         if (match_list(list, string))
 204                 return;
 205
 206         /* Fixme! Check for duplicates! */
 207         gtk_list_store_append(list, &iter);
 208         gtk_list_store_set(list, &iter, 0, string, -1);
 209 }
 210
 211 void add_people(const char *string)
 212 {
 213         add_string_list_entry(string, people_list);
 214 }
 215
 216 void add_location(const char *string)
 217 {
 218         add_string_list_entry(string, location_list);
 219 }
 220
 221 GtkWidget *extended_dive_info_widget(void)
 222 {
 223         GtkWidget *vbox, *hbox;
 224         vbox = gtk_vbox_new(FALSE, 6);
 225
 226         people_list = gtk_list_store_new(1, G_TYPE_STRING);
 227         location_list = gtk_list_store_new(1, G_TYPE_STRING);
 228
 229         gtk_container_set_border_width(GTK_CONTAINER(vbox), 6);
 230         location = text_entry(vbox, "Location", location_list);
 231
 232         hbox = gtk_hbox_new(FALSE, 3);
 233         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
 234
 235         divemaster = text_entry(hbox, "Divemaster", people_list);
 236         buddy = text_entry(hbox, "Buddy", people_list);
 237
 238         notes = text_view(vbox, "Notes");
 239         return vbox;
 240 }