updated version and copyright notice
[geeqie.git] / 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         GtkTextBuffer *comment_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pcd->comment_view));
64
65         g_signal_handlers_block_by_func(comment_buffer, bar_pane_comment_changed, pcd);
66
67         comment = metadata_read_string(pcd->fd, pcd->key, METADATA_PLAIN);
68         gtk_text_buffer_set_text(comment_buffer,
69                                  (comment) ? comment : "", -1);
70         g_free(comment);
71         
72         g_signal_handlers_unblock_by_func(comment_buffer, bar_pane_comment_changed, pcd);
73
74         gtk_widget_set_sensitive(pcd->comment_view, (pcd->fd != NULL));
75 }
76
77 static void bar_pane_comment_set_selection(PaneCommentData *pcd, gboolean append)
78 {
79         GList *list = NULL;
80         GList *work;
81         gchar *comment = NULL;
82
83         comment = text_widget_text_pull(pcd->comment_view);
84
85         list = layout_selection_list(pcd->pane.lw);
86         list = file_data_process_groups_in_selection(list, FALSE, NULL);
87         
88         work = list;
89         while (work)
90                 {
91                 FileData *fd = work->data;
92                 work = work->next;
93                 if (fd == pcd->fd) continue;
94
95                 if (append)
96                         {
97                         metadata_append_string(fd, pcd->key, comment);
98                         }
99                 else
100                         {
101                         metadata_write_string(fd, pcd->key, comment);
102                         }
103                 }
104
105         filelist_free(list);
106         g_free(comment);
107 }
108
109 static void bar_pane_comment_sel_add_cb(GtkWidget *button, gpointer data)
110 {
111         PaneCommentData *pcd = data;
112
113         bar_pane_comment_set_selection(pcd, TRUE);
114 }
115
116 static void bar_pane_comment_sel_replace_cb(GtkWidget *button, gpointer data)
117 {
118         PaneCommentData *pcd = data;
119
120         bar_pane_comment_set_selection(pcd, FALSE);
121 }
122
123
124 static void bar_pane_comment_set_fd(GtkWidget *bar, FileData *fd)
125 {
126         PaneCommentData *pcd;
127
128         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
129         if (!pcd) return;
130
131         file_data_unref(pcd->fd);
132         pcd->fd = file_data_ref(fd);
133
134         bar_pane_comment_update(pcd);
135 }
136
137 static gint bar_pane_comment_event(GtkWidget *bar, GdkEvent *event)
138 {
139         PaneCommentData *pcd;
140
141         pcd = g_object_get_data(G_OBJECT(bar), "pane_data");
142         if (!pcd) return FALSE;
143
144 #if GTK_CHECK_VERSION(2,20,0)
145         if (gtk_widget_has_focus(pcd->comment_view)) return gtk_widget_event(pcd->comment_view, event);
146 #else
147         if (GTK_WIDGET_HAS_FOCUS(pcd->comment_view)) return gtk_widget_event(pcd->comment_view, event);
148 #endif
149
150         return FALSE;
151 }
152
153 static void bar_pane_comment_write_config(GtkWidget *pane, GString *outstr, gint indent)
154 {
155         PaneCommentData *pcd;
156
157         pcd = g_object_get_data(G_OBJECT(pane), "pane_data");
158         if (!pcd) return;
159
160         WRITE_NL(); WRITE_STRING("<pane_comment ");
161         write_char_option(outstr, indent, "id", pcd->pane.id);
162         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(pcd->pane.title)));
163         WRITE_BOOL(pcd->pane, expanded);
164         WRITE_CHAR(*pcd, key);
165         WRITE_INT(*pcd, height); 
166         WRITE_STRING("/>");
167 }
168
169 static void bar_pane_comment_notify_cb(FileData *fd, NotifyType type, gpointer data)
170 {
171         PaneCommentData *pcd = data;
172         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == pcd->fd) 
173                 {
174                 DEBUG_1("Notify pane_comment: %s %04x", fd->path, type);
175
176                 bar_pane_comment_update(pcd);
177                 }
178 }
179
180 static void bar_pane_comment_changed(GtkTextBuffer *buffer, gpointer data)
181 {
182         PaneCommentData *pcd = data;
183
184         file_data_unregister_notify_func(bar_pane_comment_notify_cb, pcd);
185         bar_pane_comment_write(pcd);
186         file_data_register_notify_func(bar_pane_comment_notify_cb, pcd, NOTIFY_PRIORITY_LOW);
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: */