src/bar_comment.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2009 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
  23 static void bar_pane_comment_changed(GtkTextBuffer *buffer, gpointer data);
  24
  25 /*
  26  *-------------------------------------------------------------------
  27  * keyword / comment utils
  28  *-------------------------------------------------------------------
  29  */
  30
  31
  32
  33 typedef struct _PaneCommentData PaneCommentData;
  34 struct _PaneCommentData
  35 {
  36         PaneData pane;
  37         GtkWidget *widget;
  38         GtkWidget *comment_view;
  39         FileData *fd;
  40         gchar *key;
  41 };
  42
  43
  44 static void bar_pane_comment_write(PaneCommentData *pcd)
  45 {
  46         gchar *comment;
  47
  48         if (!pcd->fd) return;
  49
  50         comment = text_widget_text_pull(pcd->comment_view);
  51
  52         metadata_write_string(pcd->fd, pcd->key, comment);
  53         g_free(comment);
  54 }
  55
  56
  57 static void bar_pane_comment_update(PaneCommentData *pcd)
  58 {
  59         gchar *comment = NULL;
  60         GtkTextBuffer *comment_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pcd->comment_view));
  61
  62         g_signal_handlers_block_by_func(comment_buffer, bar_pane_comment_changed, pcd);
  63
  64         comment = metadata_read_string(pcd->fd, pcd->key, METADATA_PLAIN);
  65         gtk_text_buffer_set_text(comment_buffer,
  66                                  (comment) ? comment : "", -1);
  67         g_free(comment);
  68
  69         g_signal_handlers_unblock_by_func(comment_buffer, bar_pane_comment_changed, pcd);
  70
  71         gtk_widget_set_sensitive(pcd->comment_view, (pcd->fd != NULL));
  72 }
  73
  74 static void bar_pane_comment_set_selection(PaneCommentData *pcd, gboolean append)
  75 {
  76         GList *list = NULL;
  77         GList *work;
  78         gchar *comment = NULL;
  79
  80         if (!pcd->pane.list_func) return;
  81
  82         comment = text_widget_text_pull(pcd->comment_view);
  83
  84         list = pcd->pane.list_func(pcd->pane.list_data);
  85         work = list;
  86         while (work)
  87                 {
  88                 FileData *fd = work->data;
  89                 work = work->next;
  90
  91                 if (append)
  92                         {
  93                         metadata_append_string(fd, pcd->key, comment);
  94                         }
  95                 else
  96                         {
  97                         metadata_write_string(fd, pcd->key, comment);
  98                         }
  99                 }
 100
 101         filelist_free(list);
 102         g_free(comment);
 103 }
 104
 105 static void bar_pane_comment_sel_add_cb(GtkWidget *button, gpointer data)
 106 {
 107         PaneCommentData *pcd = data;
 108
 109         bar_pane_comment_set_selection(pcd, TRUE);
 110 }
 111
 112 static void bar_pane_comment_sel_replace_cb(GtkWidget *button, gpointer data)
 113 {
 114         PaneCommentData *pcd = data;
 115
 116         bar_pane_comment_set_selection(pcd, FALSE);
 117 }
 118
 119
 120 static void bar_pane_comment_set_fd(GtkWidget *bar, FileData *fd)
 121 {
 122         PaneCommentData *pcd;
 123
 124         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
 125         if (!pcd) return;
 126
 127         file_data_unref(pcd->fd);
 128         pcd->fd = file_data_ref(fd);
 129
 130         bar_pane_comment_update(pcd);
 131 }
 132
 133 gint bar_pane_comment_event(GtkWidget *bar, GdkEvent *event)
 134 {
 135         PaneCommentData *pcd;
 136
 137         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
 138         if (!pcd) return FALSE;
 139
 140         if (GTK_WIDGET_HAS_FOCUS(pcd->comment_view)) return gtk_widget_event(pcd->comment_view, event);
 141
 142         return FALSE;
 143 }
 144
 145 static void bar_pane_comment_notify_cb(FileData *fd, NotifyType type, gpointer data)
 146 {
 147         PaneCommentData *pcd = data;
 148         if (fd == pcd->fd) bar_pane_comment_update(pcd);
 149 }
 150
 151 static void bar_pane_comment_changed(GtkTextBuffer *buffer, gpointer data)
 152 {
 153         PaneCommentData *pcd = data;
 154
 155         file_data_unregister_notify_func(bar_pane_comment_notify_cb, pcd);
 156         bar_pane_comment_write(pcd);
 157         file_data_register_notify_func(bar_pane_comment_notify_cb, pcd, NOTIFY_PRIORITY_LOW);
 158 }
 159
 160
 161 static void bar_pane_comment_populate_popup(GtkTextView *textview, GtkMenu *menu, gpointer data)
 162 {
 163         PaneCommentData *pcd = data;
 164
 165         menu_item_add_divider(GTK_WIDGET(menu));
 166         menu_item_add_stock(GTK_WIDGET(menu), _("Add text to selected files"), GTK_STOCK_ADD, G_CALLBACK(bar_pane_comment_sel_add_cb), pcd);
 167         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);
 168 }
 169
 170
 171 static void bar_pane_comment_close(GtkWidget *bar)
 172 {
 173         PaneCommentData *pcd;
 174
 175         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
 176         if (!pcd) return;
 177
 178         gtk_widget_destroy(pcd->comment_view);
 179 }
 180
 181 static void bar_pane_comment_destroy(GtkWidget *widget, gpointer data)
 182 {
 183         PaneCommentData *pcd = data;
 184
 185         file_data_unregister_notify_func(bar_pane_comment_notify_cb, pcd);
 186
 187         file_data_unref(pcd->fd);
 188         g_free(pcd->pane.title);
 189         g_free(pcd->key);
 190
 191
 192         g_free(pcd);
 193 }
 194
 195
 196 GtkWidget *bar_pane_comment_new(const gchar *title, const gchar *key, gint height)
 197 {
 198         PaneCommentData *pcd;
 199         GtkWidget *scrolled;
 200         GtkTextBuffer *buffer;
 201
 202         pcd = g_new0(PaneCommentData, 1);
 203
 204         pcd->pane.pane_set_fd = bar_pane_comment_set_fd;
 205         pcd->pane.pane_event = bar_pane_comment_event;
 206         pcd->pane.title = g_strdup(title);
 207
 208         pcd->key = g_strdup(key);
 209
 210         scrolled = gtk_scrolled_window_new(NULL, NULL);
 211
 212         pcd->widget = scrolled;
 213         g_object_set_data(G_OBJECT(pcd->widget), "pane_data", pcd);
 214         g_signal_connect(G_OBJECT(pcd->widget), "destroy",
 215                          G_CALLBACK(bar_pane_comment_destroy), pcd);
 216
 217         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 218         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 219                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 220
 221         gtk_widget_set_size_request(scrolled, -1, height);
 222         gtk_widget_show(scrolled);
 223
 224         pcd->comment_view = gtk_text_view_new();
 225         gtk_container_add(GTK_CONTAINER(scrolled), pcd->comment_view);
 226         g_signal_connect(G_OBJECT(pcd->comment_view), "populate-popup",
 227                          G_CALLBACK(bar_pane_comment_populate_popup), pcd);
 228         gtk_widget_show(pcd->comment_view);
 229
 230         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pcd->comment_view));
 231         g_signal_connect(G_OBJECT(buffer), "changed",
 232                          G_CALLBACK(bar_pane_comment_changed), pcd);
 233
 234
 235         file_data_register_notify_func(bar_pane_comment_notify_cb, pcd, NOTIFY_PRIORITY_LOW);
 236
 237         return pcd->widget;
 238 }
 239
 240 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */