enable disable buttons in summary dialog

3 files changed, 93 insertions, 2 deletions

diff --git a/TODO b/TODO
index bef98d93..77bc766c 100644
--- a/TODO
+++ b/TODO
@@ -1,6 +1,4 @@
 0.7.1:
-- disable inactive buttons in summary dialog (if no search/download 
-  is selected to operate on) [ medium ] [pre1]
 - highlight active downloads in search list [ easy ] [pre1]
 - highlight completed downloads [ easy ] [pre1]
 - allow deletion of keywords and metadata [pre1]
diff --git a/gnunet-gtk.glade b/gnunet-gtk.glade
index 2f281d6f..568e3f22 100644
--- a/gnunet-gtk.glade
+++ b/gnunet-gtk.glade
@@ -908,6 +908,7 @@ This release fixes downloads of files from directories.  The previous version ha
                               <child>
                                 <widget class="GtkButton" id="cancelSearchButton">
                                   <property name="visible">True</property>
+                                  <property name="sensitive">False</property>
                                   <property name="tooltip" translatable="yes">Cancel the selected search</property>
                                   <property name="can_focus">True</property>
                                   <property name="label">gtk-cancel</property>
@@ -926,6 +927,7 @@ This release fixes downloads of files from directories.  The previous version ha
                               <child>
                                 <widget class="GtkButton" id="stopSearchButton">
                                   <property name="visible">True</property>
+                                  <property name="sensitive">False</property>
                                   <property name="tooltip" translatable="yes">Cancel the selected search and remove it from the list</property>
                                   <property name="can_focus">True</property>
                                   <property name="label">gtk-stop</property>
@@ -1230,6 +1232,7 @@ This release fixes downloads of files from directories.  The previous version ha
                               <child>
                                 <widget class="GtkButton" id="abortDownloadButton">
                                   <property name="visible">True</property>
+                                  <property name="sensitive">False</property>
                                   <property name="tooltip" translatable="yes">Cancel the selected download</property>
                                   <property name="can_focus">True</property>
                                   <property name="label">gtk-cancel</property>
@@ -1248,6 +1251,7 @@ This release fixes downloads of files from directories.  The previous version ha
                               <child>
                                 <widget class="GtkButton" id="stopDownloadButton">
                                   <property name="visible">True</property>
+                                  <property name="sensitive">False</property>
                                   <property name="tooltip" translatable="yes">Cancel the selected download and remove it from the list</property>
                                   <property name="can_focus">True</property>
                                   <property name="label">gtk-stop</property>
@@ -1372,6 +1376,7 @@ This release fixes downloads of files from directories.  The previous version ha
                               <child>
                                 <widget class="GtkButton" id="cancelUploadButton">
                                   <property name="visible">True</property>
+                                  <property name="sensitive">False</property>
                                   <property name="tooltip" translatable="yes">Cancel the selected upload</property>
                                   <property name="can_focus">True</property>
                                   <property name="label">gtk-cancel</property>
@@ -1390,6 +1395,7 @@ This release fixes downloads of files from directories.  The previous version ha
                               <child>
                                 <widget class="GtkButton" id="stopUploadButton">
                                   <property name="visible">True</property>
+                                  <property name="sensitive">False</property>
                                   <property name="tooltip" translatable="yes">Cancel the selected upload and remove it from the list</property>
                                   <property name="can_focus">True</property>
                                   <property name="label">gtk-stop</property>
diff --git a/src/plugins/fs/fs.c b/src/plugins/fs/fs.c
index 51e9dc60..082af05d 100644
--- a/src/plugins/fs/fs.c
+++ b/src/plugins/fs/fs.c
@@ -202,6 +202,75 @@ eventProcessor(void * unused,
 }
 
 /**
+ * The selection of the upload summary changed.
+ * Update button status.
+ */
+static void on_upload_summary_selection_changed(gpointer signal,
+                                                gpointer cls) {
+  GtkTreeSelection * selection;
+  GtkWidget * button;
+
+  selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(glade_xml_get_widget(getMainXML(),
+                                                                             "activeUploadsList")));
+  button
+    = glade_xml_get_widget(getMainXML(),
+                           "cancelUploadButton");
+  gtk_widget_set_sensitive(button,
+                           gtk_tree_selection_count_selected_rows(selection) > 0);
+  button
+    = glade_xml_get_widget(getMainXML(),
+                           "stopUploadButton");
+  gtk_widget_set_sensitive(button,
+                           gtk_tree_selection_count_selected_rows(selection) > 0);
+}
+
+/**
+ * The selection of the download summary changed.
+ * Update button status.
+ */
+static void on_download_summary_selection_changed(gpointer signal,
+                                                  gpointer cls) {
+  GtkTreeSelection * selection;
+  GtkWidget * button;
+
+  selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(glade_xml_get_widget(getMainXML(),
+                                                                             "activeDownloadsList")));
+  button
+    = glade_xml_get_widget(getMainXML(),
+                           "abortDownloadButton");
+  gtk_widget_set_sensitive(button,
+                           gtk_tree_selection_count_selected_rows(selection) > 0);
+  button
+    = glade_xml_get_widget(getMainXML(),
+                           "stopDownloadButton");
+  gtk_widget_set_sensitive(button,
+                           gtk_tree_selection_count_selected_rows(selection) > 0);
+}
+
+/**
+ * The selection of the download summary changed.
+ * Update button status.
+ */
+static void on_search_summary_selection_changed(gpointer signal,
+                                                gpointer cls) {
+  GtkTreeSelection * selection;
+  GtkWidget * button;
+
+  selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(glade_xml_get_widget(getMainXML(),
+                                                                             "activeSearchesSummary")));
+  button
+    = glade_xml_get_widget(getMainXML(),
+                           "cancelSearchButton");
+  gtk_widget_set_sensitive(button,
+                           gtk_tree_selection_count_selected_rows(selection) > 0);
+  button
+    = glade_xml_get_widget(getMainXML(),
+                           "stopSearchButton");
+  gtk_widget_set_sensitive(button,
+                           gtk_tree_selection_count_selected_rows(selection) > 0);
+}
+
+/**
  * Setup the summary views (in particular the models
  * and the renderers).
  */
@@ -243,6 +312,12 @@ static void fs_summary_start() {
                           GTK_TREE_MODEL(search_summary));
   gtk_tree_selection_set_mode(gtk_tree_view_get_selection(searchList),
                               GTK_SELECTION_MULTIPLE);
+  g_signal_connect_data(gtk_tree_view_get_selection(searchList),
+                        "changed",
+                        G_CALLBACK(&on_search_summary_selection_changed),
+                        NULL,
+                        NULL,
+                        0);
 
   renderer = gtk_cell_renderer_text_new();
   col = gtk_tree_view_insert_column_with_attributes(searchList,
@@ -289,6 +364,12 @@ static void fs_summary_start() {
                           GTK_TREE_MODEL(download_summary));
   gtk_tree_selection_set_mode(gtk_tree_view_get_selection(downloadList),
                               GTK_SELECTION_MULTIPLE);
+  g_signal_connect_data(gtk_tree_view_get_selection(downloadList),
+                        "changed",
+                        G_CALLBACK(&on_download_summary_selection_changed),
+                        NULL,
+                        NULL,
+                        0);
   renderer = gtk_cell_renderer_progress_new();
   col = gtk_tree_view_insert_column_with_attributes(downloadList,
                                                     -1,
@@ -349,6 +430,12 @@ static void fs_summary_start() {
                           GTK_TREE_MODEL(upload_summary));
   gtk_tree_selection_set_mode(gtk_tree_view_get_selection(uploadList),
                               GTK_SELECTION_MULTIPLE);
+  g_signal_connect_data(gtk_tree_view_get_selection(uploadList),
+                        "changed",
+                        G_CALLBACK(&on_upload_summary_selection_changed),
+                        NULL,
+                        NULL,
+                        0);
   renderer = gtk_cell_renderer_progress_new();
   col = gtk_tree_view_insert_column_with_attributes(uploadList,
                                                     -1,