Implemented other workspaces function

glade/mainWindow.glade

@@ -2,11 +2,6 @@
 <!-- Generated with glade 3.20.0 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
-  <object class="GtkFileChooserWidget" id="chooseDirectoryDialog">
-    <property name="visible">True</property>
-    <property name="can_focus">False</property>
-    <property name="action">select-folder</property>
-  </object>
   <object class="GtkTextBuffer" id="entryTextBuffer"/>
   <object class="GtkPopover" id="popoverWorkspace">
     <property name="can_focus">False</property>

src/main.c

@@ -13,9 +13,6 @@ int main(int argc, char *argv[])
 	mainWindow = mainWindow_new();
 	gtk_widget_show(mainWindow->mainWindow);
 
-	mdiary_scan_to_store(argv[1], mainWindow->entryListStore, mainWindow->completionListStore);
-	mainWindow_set_meta_information(mainWindow, mdiary_get_time_earliest(), mdiary_get_time_latest(), FALSE);
-
 	gtk_main();
 
 	return 0;

src/mainwindow.c

@@ -431,9 +431,10 @@ struct mainWindow *mainWindow_new()
 	mainWindow->entryListView         = GTK_TREE_VIEW(gtk_builder_get_object(builder, "entryListView"));
 	mainWindow->entryListSelection    = GTK_TREE_SELECTION(gtk_builder_get_object(builder, "entryListSelection"));
 	mainWindow->textBuffer		  = GTK_TEXT_BUFFER(gtk_builder_get_object(builder, "entryTextBuffer"));
-	mainWindow->searchEntryCompletion = GTK_ENTRY_COMPLETION(gtk_builder_get_object(builder,
+	mainWindow->searchEntryCompletion = GTK_ENTRY_COMPLETION(gtk_builder_get_object(
-											"searchEntryCompletion"));
+									 builder, "searchEntryCompletion"));
-
+	mainWindow->chooseDirectoryDialog = GTK_FILE_CHOOSER_DIALOG(gtk_builder_get_object(
+									    builder, "chooseDirectoryDialog"));
 	mainWindow->buttonOtherWorkspace   = GTK_WIDGET(gtk_builder_get_object(builder, "buttonOtherWorkspace"));
 	mainWindow->workspaceSearch	   = GTK_WIDGET(gtk_builder_get_object(builder, "searchWorkspace"));
 	mainWindow->popoverWorkspace       = GTK_WIDGET(gtk_builder_get_object(builder, "popoverWorkspace"));
@@ -457,6 +458,7 @@ struct mainWindow *mainWindow_new()
 	mainWindow_init_to_default(mainWindow);
 	mainWindow_clearSearch(NULL, mainWindow);
 	mainWindow_configure_entry_completion(mainWindow);
+	mainWindow_set_meta_information(mainWindow, 0, 0, TRUE);
 
 	return mainWindow;
 }
@@ -475,21 +477,10 @@ void mainWindow_set_meta_information(struct mainWindow *mainWindow,
 	mainWindow->time_earliest = time_earliest;
 	mainWindow->time_latest   = time_latest;
 	mainWindow->filterSettings.hide_all = hide_all;
-
+	gtk_widget_set_sensitive(mainWindow->mainPane, !hide_all);
 	mainWindow_clearSearch(NULL, mainWindow);
 }
 
-/**
- * @brief mainWindow_otherWorkspaceClicked is called when the user clicks the Other Workspace button.
- * @param widget N/A
- * @param event N/A
- * @param user_data struct mainWindow *
- */
-void mainWindow_otherWorkspaceClicked(GtkWidget *widget, gint event, gpointer user_data)
-{
-	g_print("TODO: Show directory browser dialog.\n");
-}
-
 /**
  * @brief mainWindow_showPopover is called from a dateEntry when it is focused.
  * @param widget is the text entry.
@@ -688,6 +679,35 @@ void mainWindow_dateIconPress(GtkWidget *widget, gint icon_pos, gint event, gpoi
 	mainWindow_clearSearch(widget, user_data);
 }
 
+static void mainWindow_show_error(struct mainWindow *mainWindow, gchar *text)
+{
+	GtkWidget *dialog;
+
+	dialog = gtk_message_dialog_new(GTK_WINDOW(mainWindow->mainWindow),
+					GTK_DIALOG_DESTROY_WITH_PARENT,
+					GTK_MESSAGE_ERROR,
+					GTK_BUTTONS_CLOSE,
+					"Error: %s",
+					text);
+	gtk_dialog_run(GTK_DIALOG (dialog));
+	gtk_widget_destroy(dialog);
+}
+
+static void mainWindow_switch_workspace(struct mainWindow *mainWindow, gchar *path)
+{
+	g_print("Switching workspace to %s.\n", path);
+	gtk_popover_popdown(GTK_POPOVER(mainWindow->popoverWorkspace));
+	mainWindow_set_meta_information(mainWindow, 0, 0, TRUE);
+	mdiary_reset_store(mainWindow->entryListStore, mainWindow->completionListStore);
+	if (mdiary_scan_to_store(path, mainWindow->entryListStore, mainWindow->completionListStore))
+		mainWindow_set_meta_information(mainWindow,
+						mdiary_get_time_earliest(), mdiary_get_time_latest(),
+						FALSE);
+	else
+		mainWindow_show_error(mainWindow, "Could not open workspace or no entries were found in it.");
+
+}
+
 void mainWindow_workspaceListClicked(GtkWidget         *widget,
 				     GtkTreePath       *tree_path,
 				     GtkTreeViewColumn *column,
@@ -704,7 +724,41 @@ void mainWindow_workspaceListClicked(GtkWidget         *widget,
 	selection = gtk_tree_view_get_selection(mainWindow->workspaceListView);
 	if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 		gtk_tree_model_get(model, &iter, WSCOL_PATH, &path, -1);
-		g_print("TODO: Switch workspace to %s\n", path);
+		mainWindow_switch_workspace(mainWindow, path);
 		g_free(path);
 	}
 }
+
+/**
+ * @brief mainWindow_otherWorkspaceClicked is called when the user clicks the Other Workspace button.
+ * @param widget N/A
+ * @param event N/A
+ * @param user_data struct mainWindow *
+ */
+void mainWindow_otherWorkspaceClicked(GtkWidget *widget, gpointer user_data)
+{
+	struct mainWindow *mainWindow = (struct mainWindow *)user_data;
+	GtkWidget *dialog;
+	gint res;
+
+
+	dialog = gtk_file_chooser_dialog_new("Choose Workspace", GTK_WINDOW(mainWindow->mainWindow), GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
+					     "Cancel", GTK_RESPONSE_CANCEL,
+					     "Select", GTK_RESPONSE_ACCEPT,
+					     NULL);
+	gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
+
+	res = gtk_dialog_run (GTK_DIALOG (dialog));
+	if (res == GTK_RESPONSE_ACCEPT) {
+		char *directory;
+
+		directory = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(dialog));
+		mainWindow_switch_workspace(mainWindow, directory);
+		g_free (directory);
+	}
+
+	gtk_widget_destroy (dialog);
+
+	g_print("TODO: Show directory browser dialog.\n");
+
+}

src/mainwindow.h

@@ -21,6 +21,7 @@ struct mainWindow {
 	GtkWidget *checkSearchText;
 	GtkWidget *labelSummary;
 	GtkWidget *buttonClearSearch;
+	GtkFileChooserWidget *chooseDirectoryDialog;
 	GtkTreeView *entryListView;
 	GtkTreeSelection *entryListSelection;
 	GtkTextBuffer *textBuffer;
@@ -61,7 +62,7 @@ void mainWindow_set_meta_information(struct mainWindow *mainWindow,
 
 /* Slots */
 void mainWindow_showPopover(GtkWidget *widget, GdkEvent *event, gpointer user_data);
-void mainWindow_otherWorkspaceClicked(GtkWidget *widget, gint event, gpointer user_data);
+void mainWindow_otherWorkspaceClicked(GtkWidget *widget, gpointer user_data);
 void mainWindow_workspaceListClicked(GtkWidget *widget,
 				     GtkTreePath       *tree_path,
 				     GtkTreeViewColumn *column,

src/mdiary.c

@@ -328,15 +328,14 @@ static void mdiary_recurse_and_collect(gchar *base_dir,
 				       GtkListStore *autoCompletion,
 				       guint max_level)
 {
-	GError *error;
+	GDir *dir = g_dir_open(base_dir, 0, NULL);
-	GDir *dir = g_dir_open(base_dir, 0, &error);
 	gchar *dirname;
 	gchar *fullPath;
 	GRegex *regex;
 	GMatchInfo *match_info;
 
 	if (!dir) {
-		g_print("Error, could not open base directory.\n");
+		g_print("Could not open base directory.\n");
 	} else {
 		while (dirname = (gchar *)g_dir_read_name(dir)) {
 			fullPath = g_strdup_printf("%s/%s", base_dir, dirname);
@@ -359,12 +358,15 @@ static void mdiary_recurse_and_collect(gchar *base_dir,
  * @brief mdiary_scan_to_store recursively (max. 5 levels) scans the base_dir into the entryListStore.
  * @param base_dir The base directory to start scanning in
  * @param entryListStore Target GtkListStore
+ * @return The amount of entries in the list (total across multiple scans)
  */
-void mdiary_scan_to_store(gchar *base_dir, GtkListStore *entryListStore, GtkListStore *autoCompletion)
+gint mdiary_scan_to_store(gchar *base_dir, GtkListStore *entryListStore, GtkListStore *autoCompletion)
 {
 	time_earliest = G_MAXINT64;
 	time_latest   = 0;
 	mdiary_recurse_and_collect(base_dir, entryListStore, autoCompletion, 5);
+
+	return gtk_tree_model_iter_n_children(GTK_TREE_MODEL(entryListStore), NULL);
 }
 
 /**
@@ -500,3 +502,36 @@ void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 				   -1);
 	}
 }
+
+/**
+ * @brief mdiary_free_entry_elements frees all non-GtkListView-managed parts of the mdiary entry
+ * @param model
+ * @param path
+ * @param iter
+ * @param data
+ * @return FALSE
+ */
+gboolean mdiary_free_entry_elements(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data) {
+	gpointer ptr;
+
+	gtk_tree_model_get(model, iter, COL_TAGLIST, &ptr, -1);
+	g_list_free_full((GList *)ptr, g_free);
+
+	gtk_tree_model_get(model, iter, COL_TIMESTAMP, &ptr, -1);
+	g_date_time_unref((GDateTime *)ptr);
+
+	return FALSE;
+}
+
+/**
+ * @brief mdiary_reset_store clears the two GtkListStores and frees all of their respective elements. (Make sure that
+ *	  no other part of the program tries to access the elements of the store while executing this function.)
+ * @param entryListStore
+ * @param autoCompletion
+ */
+void mdiary_reset_store(GtkListStore *entryListStore, GtkListStore *autoCompletion)
+{
+	gtk_tree_model_foreach(GTK_TREE_MODEL(entryListStore), mdiary_free_entry_elements, NULL);
+	gtk_list_store_clear(entryListStore);
+	gtk_list_store_clear(autoCompletion);
+}

src/mdiary.h

@@ -16,7 +16,7 @@ enum {
 	COL_COUNT
 };
 
-void mdiary_scan_to_store(gchar *base_dir, GtkListStore *entryListStore, GtkListStore *autoCompletion);
+gint mdiary_scan_to_store(gchar *base_dir, GtkListStore *entryListStore, GtkListStore *autoCompletion);
 void mdiary_add_entry_to_store(GtkListStore *entryListStore,
 			       GtkListStore *autoCompletion,
 			       gchar *title,
@@ -28,5 +28,6 @@ GDateTime *mdiary_get_date_from_string_ext(gchar *string, gchar *prefix, gchar *
 GDateTime *mdiary_get_date_from_string(gchar *string);
 gint64 mdiary_get_time_earliest(void);
 gint64 mdiary_get_time_latest(void);
+void mdiary_reset_store(GtkListStore *entryListStore, GtkListStore *autoCompletion);
 
 #endif /* MDIARY_H */