wip

glade/mainWindow.glade

@@ -8,6 +8,11 @@
     <property name="can-focus">False</property>
     <property name="icon-name">changes-prevent-symbolic.symbolic</property>
   </object>
+  <object class="GtkImage" id="imageUpdateGpg">
+    <property name="visible">True</property>
+    <property name="can-focus">False</property>
+    <property name="icon-name">edit-copy</property>
+  </object>
   <object class="GtkPopover" id="popoverWorkspace">
     <property name="can-focus">False</property>
     <child>
@@ -492,6 +497,23 @@
                 <property name="position">1</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkButton" id="buttonUpdateGpg">
+                <property name="label" translatable="yes">Update GPG</property>
+                <property name="can-focus">True</property>
+                <property name="receives-default">True</property>
+                <property name="image">imageUpdateGpg</property>
+                <property name="always-show-image">True</property>
+                <style>
+                  <class name="suggested-action"/>
+                </style>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">3</property>
+              </packing>
+            </child>
           </object>
         </child>
       </object>

src/mainwindow.c

@@ -250,6 +250,8 @@ static void mainWindow_configure_treeView(struct mainWindow *mainWindow)
 							G_TYPE_POINTER,
 							G_TYPE_STRING,
 							G_TYPE_STRING,
+							G_TYPE_STRING,
+							G_TYPE_STRING,
 							G_TYPE_STRING);
 	mainWindow->entryListFiltered = GTK_TREE_MODEL_FILTER(gtk_tree_model_filter_new(
 								      GTK_TREE_MODEL(mainWindow->entryListStore),
@@ -425,6 +427,10 @@ static void mainWindow_connect_signals(struct mainWindow *mainWindow)
 			 "clicked",
 			 (GCallback) mainWindow_decrypt_gpg_clicked,
 			 mainWindow);
+	g_signal_connect(mainWindow->buttonUpdateGpg,
+			 "clicked",
+			 (GCallback) mainWindow_update_gpg_clicked,
+			 mainWindow);
 
 	g_signal_connect(mainWindow->summaryEventBox,
 			 "button-press-event",
@@ -655,6 +661,7 @@ struct mainWindow *mainWindow_new()
 	mainWindow->labelDateToDate	  = GTK_WIDGET(gtk_builder_get_object(builder, "label_date_to_date"));
 	mainWindow->buttonNew		  = GTK_WIDGET(gtk_builder_get_object(builder, "buttonNew"));
 	mainWindow->buttonDecrypt	  = GTK_WIDGET(gtk_builder_get_object(builder, "buttonDecrypt"));
+	mainWindow->buttonUpdateGpg	  = GTK_WIDGET(gtk_builder_get_object(builder, "buttonUpdateGpg"));
 	mainWindow->stackRenderMode	  = GTK_WIDGET(gtk_builder_get_object(builder, "stackRenderMode"));
 	mainWindow->entryListView         = GTK_TREE_VIEW(gtk_builder_get_object(builder, "entryListView"));
 	mainWindow->entryListSelection    = GTK_TREE_SELECTION(gtk_builder_get_object(builder, "entryListSelection"));
@@ -854,6 +861,23 @@ static void mainWindow_set_text(struct mainWindow *mainWindow, gchar *text, gcha
 	}
 }
 
+/**
+ * @brief mainWindow_getTempFile returns the path to the temporary file (may not exist) for the entry generated from its UUID
+ * @param uuid the UUID
+ * @return the full path th
+ */
+gchar *mainWindow_getTempFile(gchar *uuid)
+{
+	GString *tempfile = NULL;
+	gchar *str = NULL;
+
+	tempfile = g_string_new("");
+	g_string_printf(tempfile, "/tmp/%s.mdiary", uuid);
+	str = tempfile->str;
+	g_string_free(tempfile, false);
+	return str;
+}
+
 /**
  * @brief mainWindow_entrySelected is the callback when the user selects a diary entry.
  * @param widget N/A
@@ -870,6 +894,7 @@ void mainWindow_entrySelected(GtkWidget *widget, gpointer user_data)
 	gchar *title;
 	gchar *summary;
 	gchar *temp;
+	gchar *tempfile;
 
 	selection = gtk_tree_view_get_selection(mainWindow->entryListView);
 	if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
@@ -887,6 +912,14 @@ void mainWindow_entrySelected(GtkWidget *widget, gpointer user_data)
 		g_free(title);
 		g_free(summary);
 		g_free(temp);
+
+		/* Check for GPG update */
+		gtk_tree_model_get(model, &iter, COL_UUID, &temp, -1);
+		tempfile = mainWindow_getTempFile(temp);
+		gtk_widget_set_visible(mainWindow->buttonUpdateGpg,
+				       (g_file_test(tempfile, G_FILE_TEST_EXISTS)));
+		g_free(tempfile);
+		g_free(temp);
 	} else {
 		mainWindow_set_text(mainWindow, "", "");
 		gtk_label_set_text(GTK_LABEL(mainWindow->labelSummary), "Please select an entry in the list above.");
@@ -904,7 +937,7 @@ void mainWindow_openExternalEditor(gchar *path)
 	GAppInfo *info;
 	GList *files = NULL;
 
-	g_info("Opening entry in external editor.");
+	g_warning("Opening entry %s in external editor.", path);
 	file = g_file_new_for_path(path);
 	info = g_file_query_default_handler(file, NULL, NULL);
 	files = g_list_append(files, (gpointer) file);
@@ -926,12 +959,54 @@ void mainWindow_entryActivated(GtkWidget *widget, GtkTreePath *path, GtkTreeView
 	GtkTreeIter iter;
 	GtkTreeView *treeview = (GtkTreeView*) widget;
 	gchar *name;
+	gchar *ext;
+	gchar *tempfile;
+	gchar *uuid;
+	gchar *content;
+	FILE *fd;
 
 	model = gtk_tree_view_get_model(treeview);
 
 	if (gtk_tree_model_get_iter(model, &iter, path)) {
 		gtk_tree_model_get(model, &iter, COL_URL, &name, -1);
+		if (!name)
+			return;
+
+		ext = strrchr(name, '.');
+		if (!strcmp(ext, ".gpg")) { /* Encrypted file -> Create decrypted copy in /tmp */
+			gtk_tree_model_get(model, &iter, COL_UUID, &uuid, -1);
+			if (uuid) {
+				tempfile = mainWindow_getTempFile(uuid);
+				fd = fopen(tempfile, "r");
+				if (false) {
+					g_warning("Decryption target already exists. Leaving as is and opening.");
+					fclose(fd);
+				} else {
+					fd = fopen(tempfile, "w");
+					if (fd) {
+						gtk_tree_model_get(model, &iter, COL_HEADER, &content, -1);
+						fputs(content, fd);
+						fputs("\n", fd);
+						g_free(content);
+
+						gtk_tree_model_get(model, &iter, COL_TEXT, &content, -1);
+						fputs(content, fd);
+						g_free(content);
+
+						fclose(fd);
+					} else {
+						g_error("Could not open decryption target.");
+					}
+				}
+
+				mainWindow_openExternalEditor(tempfile);
+				g_free(tempfile);
+				g_free(uuid);
+			}
+		} else { /* Regular file -> Open directly */
 			mainWindow_openExternalEditor(name);
+		}
+
 		g_free(name);
 	}
 }
@@ -1283,6 +1358,17 @@ void mainWindow_decrypt_gpg_clicked(GtkWidget *widget, gpointer user_data)
 	}
 }
 
+void mainWindow_update_gpg_clicked(GtkWidget *widget, gpointer user_data)
+{
+	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
+	gtk_widget_set_visible(mainWindow->buttonUpdateGpg, false);
+	g_print("Not yet implemented.");
+
+	// Delete <old name>.bak if exists
+	// Move existing GPG to <old name>.bak
+	// encrypt tmp/uuid file to <old name>
+}
+
 /**
  * @brief mainWindow_toggleSummaryWrap toggles line-wrapping and ellipsize on the summary
  * @param widget

src/mainwindow.h

@@ -47,6 +47,7 @@ struct mainWindow {
 	GtkWidget *labelDateToDate;
 	GtkWidget *buttonNew;
 	GtkWidget *buttonDecrypt;
+	GtkWidget *buttonUpdateGpg;
 	GtkWidget *webkitView;
 	GtkWidget *webkitScrollArea;
 	GtkWidget *stackRenderMode;
@@ -122,6 +123,7 @@ void mainWindow_add_recent_workspace(struct mainWindow *mainWindow, gchar *path,
 void mainWindow_switch_workspace(struct mainWindow *mainWindow, gchar *path, gboolean gpg_enabled);
 void mainWindow_new_entry_clicked(GtkWidget *widget, gpointer user_data);
 void mainWindow_decrypt_gpg_clicked(GtkWidget *widget, gpointer user_data);
+void mainWindow_update_gpg_clicked(GtkWidget *widget, gpointer user_data);
 void mainWindow_renderer_set(struct mainWindow *mainWindow, enum renderer_mode state);
 void mainWindow_settings_show(struct mainWindow *mainWindow);
 gboolean mainWindow_toggleSummaryWrap(GtkWidget *widget, GdkEvent *event, gpointer user_data);

src/mdiary.c

@@ -261,6 +261,7 @@ static void mdiary_add_file_to_store(struct mdiary_scanner *mdiary_scanner,
 	GList *tagList = NULL;
 	gchar *summary = NULL;
 	GString *text  = NULL;
+	GString *header = NULL;
 	guint header_state = 0;
 
 	GList *l;
@@ -284,6 +285,13 @@ static void mdiary_add_file_to_store(struct mdiary_scanner *mdiary_scanner,
 	while (line = (content ? mdiary_get_line_from_string(&content_ptr) :
 		       g_data_input_stream_read_line(G_DATA_INPUT_STREAM(dstream), NULL, NULL, NULL))) {
 		if (header_state == 0) {
+			if (header) {
+				header = g_string_append(header, "\n");
+				header = g_string_append(header, line);
+			} else {
+				header = g_string_new(line);
+			}
+
 			if (!datetime) {
 				datetime = mdiary_get_date_from_string_ext(line, "Date: ", "");
 				if (datetime)
@@ -331,6 +339,10 @@ static void mdiary_add_file_to_store(struct mdiary_scanner *mdiary_scanner,
 		g_warning("PARSER: Could not find any text in file!\n");
 		text = g_string_new("No content found.");
 	}
+	if (!header) {
+		g_warning("PARSER: Could not find any header in file!\n");
+		text = g_string_new("No header found.");
+	}
 	if (!summary) {
 		g_warning("PARSER: Could not detect summary in file!\n");
 		summary = g_strdup("No summary found.");
@@ -354,6 +366,7 @@ static void mdiary_add_file_to_store(struct mdiary_scanner *mdiary_scanner,
 				  tagList,
 				  summary,
 				  text->str,
+				  header->str,
 				  filename);
 
 	if (g_date_time_to_unix(datetime) > mdiary_scanner->time_latest)
@@ -368,7 +381,8 @@ static void mdiary_add_file_to_store(struct mdiary_scanner *mdiary_scanner,
 	}
 
 	g_list_free_full(tagList, *g_free);
-	g_string_free(text, 0);
+	g_string_free(text, 1);
+	g_string_free(header, 1);
 	g_free(summary);
 	g_free(title);
 	g_date_time_unref(datetime);
@@ -578,6 +592,7 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 			       GList *tags,
 			       gchar *summary,
 			       gchar *text,
+			       gchar *header,
 			       gchar *file_url)
 {
 	GtkTreeIter iter;
@@ -585,6 +600,7 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 	GList *taglist_copy;
 	gchar *date_text;
 	gchar *taglistString;
+	gchar *uuid;
 
 	GList *l;
 	struct tag_compare_struct tag_compare_struct = { .text = "", .result = FALSE };
@@ -593,6 +609,7 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 	date_text     = g_date_time_format(datetime_copy, "%A, %e %B %Y %R");
 	taglist_copy  = g_list_copy_deep(tags, (GCopyFunc) g_strdup, NULL);
 	taglistString = mdiary_taglist_to_string(taglist_copy);
+	uuid = g_compute_checksum_for_data(G_CHECKSUM_SHA256, (guchar *) file_url, strlen(file_url));
 
 	gtk_list_store_append(entryListStore, &iter);
 	gtk_list_store_set(entryListStore, &iter,
@@ -603,9 +620,12 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 			   COL_TAGLIST, taglist_copy, /* TODO: Verify that the duplication worked! */
 			   COL_SUMMARY, summary, /* Automatically strdupd */
 			   COL_TEXT, text, /* Automatically strdupd */
+			   COL_HEADER, header, /* Automatically strdupd */
 			   COL_URL, file_url, /* Automatically strdupd */
+			   COL_UUID, uuid, /* Automatically strdupd */
 			   -1);
 	g_free(date_text);
+	g_free(uuid);
 
 	for (l = tags; l != NULL; l = l->next) {
 		tag_compare_struct.text = l->data;

src/mdiary.h

@@ -16,7 +16,9 @@ enum {
 	COL_TAGLIST,    /* GList<gchar *> of the tags */
 	COL_SUMMARY,	/* Summary of the entry */
 	COL_TEXT,	/* Raw text from the file */
+	COL_HEADER,	/* Raw header from the file */
 	COL_URL,	/* Path to the file */
+	COL_UUID,	/* UUID of the file */
 	COL_COUNT
 };
 
@@ -42,6 +44,7 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 			       GList *tags,
 			       gchar *summary,
 			       gchar *text,
+			       gchar *header,
 			       gchar *file_url);
 GDateTime *mdiary_get_date_from_string_ext(gchar *string, gchar *prefix, gchar *suffix);
 GDateTime *mdiary_get_date_from_string(gchar *string);