From: Jean-Philippe Orsini <jeanfi@gmail.com>
Date: Wed, 16 Oct 2013 11:24:04 +0000 (+0000)
Subject: popup error dialog when .taskrc does not exist
X-Git-Tag: v0.0.6~111
X-Git-Url: http://git.wpitchoune.net/gitweb/?p=ptask.git;a=commitdiff_plain;h=d49062302884b2930cf90cc7a5382ad9e6903da9

popup error dialog when .taskrc does not exist
---

diff --git a/NEWS b/NEWS
index fede8c0..54322af 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@ v0.0.4
  * fixed i18n support.
  * added --version and --help options.
  * added manpage.
+ * popup error dialog when .taskrc does not exist.
 
 v0.0.3
 ------
diff --git a/src/main.c b/src/main.c
index 6f1b7fb..ad3f2af 100644
--- a/src/main.c
+++ b/src/main.c
@@ -138,6 +138,7 @@ static void clear_task_panel()
 
 static void refresh()
 {
+	GtkWidget *dialog;
 	GtkTreeModel *model;
 	struct task **tasks_cur;
 	struct task *task;
@@ -168,24 +169,41 @@ static void refresh()
 
 	model = gtk_tree_view_get_model(GTK_TREE_VIEW(w_treeview));
 	gtk_list_store_clear(GTK_LIST_STORE(model));
-	for (tasks_cur = tasks, i = 0; *tasks_cur; tasks_cur++, i++) {
-		task = (*tasks_cur);
 
-		gtk_list_store_append(GTK_LIST_STORE(model), &iter);
-
-		if (task->project)
-			project = task->project;
-		else
-			project = "";
-
-		gtk_list_store_set(GTK_LIST_STORE(model),
-				   &iter,
-				   COL_ID, (*tasks_cur)->id,
-				   COL_DESCRIPTION, (*tasks_cur)->description,
-				   COL_PROJECT, project,
-				   COL_UUID, (*tasks_cur)->uuid,
-				   COL_PRIORITY, (*tasks_cur)->priority,
-				   -1);
+	if (tasks) {
+		for (tasks_cur = tasks, i = 0; *tasks_cur; tasks_cur++, i++) {
+			task = (*tasks_cur);
+
+			gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+
+			if (task->project)
+				project = task->project;
+			else
+				project = "";
+
+			gtk_list_store_set(GTK_LIST_STORE(model),
+					   &iter,
+					   COL_ID, (*tasks_cur)->id,
+					   COL_DESCRIPTION, 
+					   (*tasks_cur)->description,
+					   COL_PROJECT, project,
+					   COL_UUID, (*tasks_cur)->uuid,
+					   COL_PRIORITY, (*tasks_cur)->priority,
+					   -1);
+		}
+	}
+	else {
+		dialog = gtk_message_dialog_new(NULL,
+						GTK_DIALOG_DESTROY_WITH_PARENT,
+						GTK_MESSAGE_ERROR,
+						GTK_BUTTONS_CLOSE,
+						_("Error loading tasks, verify "
+						  "that taskwarrior is "
+						  "correctly installed, and its"
+						  " configuration file exist."
+						  ));
+		gtk_dialog_run(GTK_DIALOG (dialog));
+		gtk_widget_destroy(dialog);
 	}
 	printf("refresh done\n");
 }
diff --git a/src/tw.c b/src/tw.c
index 890449f..5a6e4c9 100644
--- a/src/tw.c
+++ b/src/tw.c
@@ -20,12 +20,37 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/stat.h>
 
 #include <json/json.h>
 
 #include "note.h"
 #include "tw.h"
 
+static int has_taskrc()
+{
+	char *home, *path;
+	int ret;
+	struct stat st;
+
+	home = getenv("HOME");
+
+	if (!home) {
+		fprintf(stderr, "HOME environment variable not defined\n");
+		return 0;
+	}
+
+	path = malloc(strlen(home) + 1 + strlen(".taskrc") + 1);
+	sprintf(path, "%s/%s", home, ".taskrc");
+
+	ret = lstat(path, &st);
+
+	free(path);
+
+	return ret == 0;
+
+}
+
 static char *task_exec(char *opts)
 {
 	FILE *f;
@@ -33,6 +58,9 @@ static char *task_exec(char *opts)
 	size_t s;
 	char *str, *tmp, *cmd, buf[1024];
 
+	if (!has_taskrc())
+		return NULL;
+
 	cmd = malloc(strlen("task rc.json.array=on ") + strlen(opts) + 1);
 	strcpy(cmd, "task rc.json.array=on ");
 	strcat(cmd, opts);