src/bar_comment.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2012 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "bar_comment.h"
  16
  17 #include "bar.h"
  18 #include "metadata.h"
  19 #include "filedata.h"
  20 #include "ui_menu.h"
  21 #include "ui_misc.h"
  22 #include "rcfile.h"
  23 #include "layout.h"
  24
  25 static void bar_pane_comment_changed(GtkTextBuffer *buffer, gpointer data);
  26
  27 /*
  28  *-------------------------------------------------------------------
  29  * keyword / comment utils
  30  *-------------------------------------------------------------------
  31  */
  32
  33
  34
  35 typedef struct _PaneCommentData PaneCommentData;
  36 struct _PaneCommentData
  37 {
  38         PaneData pane;
  39         GtkWidget *widget;
  40         GtkWidget *comment_view;
  41         FileData *fd;
  42         gchar *key;
  43         gint height;
  44 };
  45
  46
  47 static void bar_pane_comment_write(PaneCommentData *pcd)
  48 {
  49         gchar *comment;
  50
  51         if (!pcd->fd) return;
  52
  53         comment = text_widget_text_pull(pcd->comment_view);
  54
  55         metadata_write_string(pcd->fd, pcd->key, comment);
  56         g_free(comment);
  57 }
  58
  59
  60 static void bar_pane_comment_update(PaneCommentData *pcd)
  61 {
  62         gchar *comment = NULL;
  63         gchar *orig_comment = NULL;
  64         gchar *comment_not_null;
  65         GtkTextBuffer *comment_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pcd->comment_view));
  66
  67         orig_comment = text_widget_text_pull(pcd->comment_view);
  68         comment = metadata_read_string(pcd->fd, pcd->key, METADATA_PLAIN);
  69         comment_not_null = (comment) ? comment : "";
  70
  71         if (strcmp(orig_comment, comment_not_null) != 0)
  72                 {
  73                 g_signal_handlers_block_by_func(comment_buffer, bar_pane_comment_changed, pcd);
  74                 gtk_text_buffer_set_text(comment_buffer, comment_not_null, -1);
  75                 g_signal_handlers_unblock_by_func(comment_buffer, bar_pane_comment_changed, pcd);
  76                 }
  77         g_free(comment);
  78         g_free(orig_comment);
  79
  80         gtk_widget_set_sensitive(pcd->comment_view, (pcd->fd != NULL));
  81 }
  82
  83 static void bar_pane_comment_set_selection(PaneCommentData *pcd, gboolean append)
  84 {
  85         GList *list = NULL;
  86         GList *work;
  87         gchar *comment = NULL;
  88
  89         comment = text_widget_text_pull(pcd->comment_view);
  90
  91         list = layout_selection_list(pcd->pane.lw);
  92         list = file_data_process_groups_in_selection(list, FALSE, NULL);
  93
  94         work = list;
  95         while (work)
  96                 {
  97                 FileData *fd = work->data;
  98                 work = work->next;
  99                 if (fd == pcd->fd) continue;
 100
 101                 if (append)
 102                         {
 103                         metadata_append_string(fd, pcd->key, comment);
 104                         }
 105                 else
 106                         {
 107                         metadata_write_string(fd, pcd->key, comment);
 108                         }
 109                 }
 110
 111         filelist_free(list);
 112         g_free(comment);
 113 }
 114
 115 static void bar_pane_comment_sel_add_cb(GtkWidget *button, gpointer data)
 116 {
 117         PaneCommentData *pcd = data;
 118
 119         bar_pane_comment_set_selection(pcd, TRUE);
 120 }
 121
 122 static void bar_pane_comment_sel_replace_cb(GtkWidget *button, gpointer data)
 123 {
 124         PaneCommentData *pcd = data;
 125
 126         bar_pane_comment_set_selection(pcd, FALSE);
 127 }
 128
 129
 130 static void bar_pane_comment_set_fd(GtkWidget *bar, FileData *fd)
 131 {
 132         PaneCommentData *pcd;
 133
 134         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
 135         if (!pcd) return;
 136
 137         file_data_unref(pcd->fd);
 138         pcd->fd = file_data_ref(fd);
 139
 140         bar_pane_comment_update(pcd);
 141 }
 142
 143 static gint bar_pane_comment_event(GtkWidget *bar, GdkEvent *event)
 144 {
 145         PaneCommentData *pcd;
 146
 147         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
 148         if (!pcd) return FALSE;
 149
 150         if (gtk_widget_has_focus(pcd->comment_view)) return gtk_widget_event(pcd->comment_view, event);
 151
 152         return FALSE;
 153 }
 154
 155 static void bar_pane_comment_write_config(GtkWidget *pane, GString *outstr, gint indent)
 156 {
 157         PaneCommentData *pcd;
 158
 159         pcd = g_object_get_data(G_OBJECT(pane), "pane_data");
 160         if (!pcd) return;
 161
 162         WRITE_NL(); WRITE_STRING("<pane_comment ");
 163         write_char_option(outstr, indent, "id", pcd->pane.id);
 164         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pcd->pane.title)));
 165         WRITE_BOOL(pcd->pane, expanded);
 166         WRITE_CHAR(*pcd, key);
 167         WRITE_INT(*pcd, height);
 168         WRITE_STRING("/>");
 169 }
 170
 171 static void bar_pane_comment_notify_cb(FileData *fd, NotifyType type, gpointer data)
 172 {
 173         PaneCommentData *pcd = data;
 174         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == pcd->fd)
 175                 {
 176                 DEBUG_1("Notify pane_comment: %s %04x", fd->path, type);
 177
 178                 bar_pane_comment_update(pcd);
 179                 }
 180 }
 181
 182 static void bar_pane_comment_changed(GtkTextBuffer *buffer, gpointer data)
 183 {
 184         PaneCommentData *pcd = data;
 185
 186         bar_pane_comment_write(pcd);
 187 }
 188
 189
 190 static void bar_pane_comment_populate_popup(GtkTextView *textview, GtkMenu *menu, gpointer data)
 191 {
 192         PaneCommentData *pcd = data;
 193
 194         menu_item_add_divider(GTK_WIDGET(menu));
 195         menu_item_add_stock(GTK_WIDGET(menu), _("Add text to selected files"), GTK_STOCK_ADD, G_CALLBACK(bar_pane_comment_sel_add_cb), pcd);
 196         menu_item_add_stock(GTK_WIDGET(menu), _("Replace existing text in selected files"), GTK_STOCK_CONVERT, G_CALLBACK(bar_pane_comment_sel_replace_cb), data);
 197 }
 198
 199 #if 0
 200 static void bar_pane_comment_close(GtkWidget *bar)
 201 {
 202         PaneCommentData *pcd;
 203
 204         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
 205         if (!pcd) return;
 206
 207         gtk_widget_destroy(pcd->comment_view);
 208 }
 209 #endif
 210
 211 static void bar_pane_comment_destroy(GtkWidget *widget, gpointer data)
 212 {
 213         PaneCommentData *pcd = data;
 214
 215         file_data_unregister_notify_func(bar_pane_comment_notify_cb, pcd);
 216
 217         file_data_unref(pcd->fd);
 218         g_free(pcd->key);
 219
 220         g_free(pcd->pane.id);
 221
 222         g_free(pcd);
 223 }
 224
 225
 226 static GtkWidget *bar_pane_comment_new(const gchar *id, const gchar *title, const gchar *key, gboolean expanded, gint height)
 227 {
 228         PaneCommentData *pcd;
 229         GtkWidget *scrolled;
 230         GtkTextBuffer *buffer;
 231
 232         pcd = g_new0(PaneCommentData, 1);
 233
 234         pcd->pane.pane_set_fd = bar_pane_comment_set_fd;
 235         pcd->pane.pane_event = bar_pane_comment_event;
 236         pcd->pane.pane_write_config = bar_pane_comment_write_config;
 237         pcd->pane.title = bar_pane_expander_title(title);
 238         pcd->pane.id = g_strdup(id);
 239         pcd->pane.type = PANE_COMMENT;
 240
 241         pcd->pane.expanded = expanded;
 242
 243         pcd->key = g_strdup(key);
 244         pcd->height = height;
 245
 246         scrolled = gtk_scrolled_window_new(NULL, NULL);
 247
 248         pcd->widget = scrolled;
 249         g_object_set_data(G_OBJECT(pcd->widget), "pane_data", pcd);
 250         g_signal_connect(G_OBJECT(pcd->widget), "destroy",
 251                          G_CALLBACK(bar_pane_comment_destroy), pcd);
 252
 253         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 254         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 255                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 256
 257         gtk_widget_set_size_request(pcd->widget, -1, height);
 258         gtk_widget_show(scrolled);
 259
 260         pcd->comment_view = gtk_text_view_new();
 261         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(pcd->comment_view), GTK_WRAP_WORD);
 262         gtk_container_add(GTK_CONTAINER(scrolled), pcd->comment_view);
 263         g_signal_connect(G_OBJECT(pcd->comment_view), "populate-popup",
 264                          G_CALLBACK(bar_pane_comment_populate_popup), pcd);
 265         gtk_widget_show(pcd->comment_view);
 266
 267         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pcd->comment_view));
 268         g_signal_connect(G_OBJECT(buffer), "changed",
 269                          G_CALLBACK(bar_pane_comment_changed), pcd);
 270
 271
 272         file_data_register_notify_func(bar_pane_comment_notify_cb, pcd, NOTIFY_PRIORITY_LOW);
 273
 274         return pcd->widget;
 275 }
 276
 277 GtkWidget *bar_pane_comment_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 278 {
 279         gchar *title = NULL;
 280         gchar *key = g_strdup(COMMENT_KEY);
 281         gboolean expanded = TRUE;
 282         gint height = 50;
 283         gchar *id = g_strdup("comment");
 284         GtkWidget *ret;
 285
 286         while (*attribute_names)
 287                 {
 288                 const gchar *option = *attribute_names++;
 289                 const gchar *value = *attribute_values++;
 290
 291                 if (READ_CHAR_FULL("title", title)) continue;
 292                 if (READ_CHAR_FULL("key", key)) continue;
 293                 if (READ_BOOL_FULL("expanded", expanded)) continue;
 294                 if (READ_INT_FULL("height", height)) continue;
 295                 if (READ_CHAR_FULL("id", id)) continue;
 296
 297
 298                 log_printf("unknown attribute %s = %s\n", option, value);
 299                 }
 300
 301         bar_pane_translate_title(PANE_COMMENT, id, &title);
 302         ret = bar_pane_comment_new(id, title, key, expanded, height);
 303         g_free(title);
 304         g_free(key);
 305         g_free(id);
 306         return ret;
 307 }
 308
 309 void bar_pane_comment_update_from_config(GtkWidget *pane, const gchar **attribute_names, const gchar **attribute_values)
 310 {
 311         PaneCommentData *pcd;
 312
 313         pcd = g_object_get_data(G_OBJECT(pane), "pane_data");
 314         if (!pcd) return;
 315
 316         gchar *title = NULL;
 317
 318         while (*attribute_names)
 319                 {
 320                 const gchar *option = *attribute_names++;
 321                 const gchar *value = *attribute_values++;
 322
 323                 if (READ_CHAR_FULL("title", title)) continue;
 324                 if (READ_CHAR_FULL("key", pcd->key)) continue;
 325                 if (READ_BOOL_FULL("expanded", pcd->pane.expanded)) continue;
 326                 if (READ_INT_FULL("height", pcd->height)) continue;
 327                 if (READ_CHAR_FULL("id", pcd->pane.id)) continue;
 328
 329
 330                 log_printf("unknown attribute %s = %s\n", option, value);
 331                 }
 332
 333         if (title)
 334                 {
 335                 bar_pane_translate_title(PANE_COMMENT, pcd->pane.id, &title);
 336                 gtk_label_set_text(GTK_LABEL(pcd->pane.title), title);
 337                 g_free(title);
 338                 }
 339         gtk_widget_set_size_request(pcd->widget, -1, pcd->height);
 340         bar_update_expander(pane);
 341         bar_pane_comment_update(pcd);
 342 }
 343
 344 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */