Added support for actions on multiple processes

ported from gnome-system-monitor:
https://github.com/GNOME/gnome-system-monitor/commit/5cf1225d86929114d6f0424112fd2abc8880dc26

5 files changed, 59 insertions, 28 deletions

diff --git a/src/callbacks.cpp b/src/callbacks.cpp
index 8306fd1..3afff0a 100644
--- a/src/callbacks.cpp
+++ b/src/callbacks.cpp
@@ -346,16 +346,6 @@ cb_net_out_color_changed (GSMColorButton *cp, gpointer data)
     change_settings_color(procdata->settings, "net-out-color", cp);
 }
 
-static void
-get_last_selected (GtkTreeModel *model, GtkTreePath *path,
-           GtkTreeIter *iter, gpointer data)
-{
-    ProcInfo **info = static_cast<ProcInfo**>(data);
-
-    gtk_tree_model_get (model, iter, COL_POINTER, info, -1);
-}
-
-
 void
 cb_row_selected (GtkTreeSelection *selection, gpointer data)
 {
diff --git a/src/interface.cpp b/src/interface.cpp
index f7dbe84..3d259d2 100644
--- a/src/interface.cpp
+++ b/src/interface.cpp
@@ -785,7 +785,7 @@ update_sensitivity(ProcData *data)
     GtkAction *action;
 
     processes_sensitivity = (data->config.current_tab == PROCMAN_TAB_PROCESSES);
-    selected_sensitivity = (processes_sensitivity && data->selected_process != NULL);
+    selected_sensitivity = (processes_sensitivity && data->selection && gtk_tree_selection_count_selected_rows (data->selection) > 0);
 
     if(data->endprocessbutton) {
         /* avoid error on startup if endprocessbutton
diff --git a/src/procdialogs.cpp b/src/procdialogs.cpp
index ee695bc..ec06916 100644
--- a/src/procdialogs.cpp
+++ b/src/procdialogs.cpp
@@ -66,29 +66,49 @@ procdialog_create_kill_dialog (ProcData *procdata, int signal)
     kargs = g_new(KillArgs, 1);
     kargs->procdata = procdata;
     kargs->signal = signal;
+    gint selected_count = gtk_tree_selection_count_selected_rows (procdata->selection);
+
+    if ( selected_count == 1 ) {
+        ProcInfo *selected_process = NULL;
+        // get the last selected row
+        gtk_tree_selection_selected_foreach (procdata->selection, get_last_selected,
+                                         &selected_process);
+        if (signal == SIGKILL) {
+            /*xgettext: primary alert message for killing single process*/
+            primary = g_strdup_printf (_("Are you sure you want to kill the selected process “%s” (PID: %u)?"),
+                                       selected_process->name,
+                                       selected_process->pid);
+        } else {
+            /*xgettext: primary alert message for ending single process*/
+            primary = g_strdup_printf (_("Are you sure you want to end the selected process “%s” (PID: %u)?"),
+                                       selected_process->name,
+                                       selected_process->pid);
+        }
+    } else {
+        if (signal == SIGKILL) {
+            /*xgettext: primary alert message for killing multiple processes*/
+            primary = g_strdup_printf (_("Are you sure you want to kill the %d selected processes?"),
+                                       selected_count);
+        } else {
+            /*xgettext: primary alert message for ending multiple processes*/
+            primary = g_strdup_printf (_("Are you sure you want to end the %d selected processes?"),
+                                       selected_count);
+  
+        }
+    }
 
-
-    if (signal == SIGKILL) {
-        /*xgettext: primary alert message*/
-        primary = g_strdup_printf (_("Kill the selected process “%s” (PID: %u)?"),
-                                   procdata->selected_process->name,
-                                   procdata->selected_process->pid);
+    if ( signal == SIGKILL ) {
         /*xgettext: secondary alert message*/
         secondary = _("Killing a process may destroy data, break the "
                     "session or introduce a security risk. "
                     "Only unresponsive processes should be killed.");
-        button_text = _("_Kill Process");
-    }
-    else {
-        /*xgettext: primary alert message*/
-        primary = g_strdup_printf (_("End the selected process “%s” (PID: %u)?"),
-                                   procdata->selected_process->name,
-                                   procdata->selected_process->pid);
+        button_text = ngettext("_Kill Process", "_Kill Processes", selected_count);
+    } else {
         /*xgettext: secondary alert message*/
         secondary = _("Ending a process may destroy data, break the "
                     "session or introduce a security risk. "
                     "Only unresponsive processes should be ended.");
-        button_text = _("_End Process");
+        button_text = ngettext("_End Process", "_End Processes", selected_count);
     }
 
     kill_alert_dialog = gtk_message_dialog_new (GTK_WINDOW (procdata->app),
@@ -147,7 +167,7 @@ renice_dialog_button_pressed (GtkDialog *dialog, gint id, gpointer data)
 void
 procdialog_create_renice_dialog (ProcData *procdata)
 {
-    ProcInfo  *info = procdata->selected_process;
+    ProcInfo  *info;
     GtkWidget *dialog = NULL;
     GtkWidget *dialog_vbox;
     GtkWidget *vbox;
@@ -164,11 +184,21 @@ procdialog_create_renice_dialog (ProcData *procdata)
     if (renice_dialog)
         return;
 
+    gtk_tree_selection_selected_foreach (procdata->selection, get_last_selected,
+                                         &info);
+    gint selected_count = gtk_tree_selection_count_selected_rows (procdata->selection);
+
     if (!info)
         return;
 
-    dialog_title = g_strdup_printf (_("Change Priority of Process “%s” (PID: %u)"),
-                                    info->name, info->pid);
+    if ( selected_count == 1 ) {
+        dialog_title = g_strdup_printf (_("Change Priority of Process “%s” (PID: %u)"),
+                                        info->name, info->pid);
+    } else {
+        dialog_title = g_strdup_printf (_("Change Priority of %d Selected Processes"),
+                                        selected_count);
+    }
+
     dialog = gtk_dialog_new_with_buttons (dialog_title, NULL,
                                           GTK_DIALOG_DESTROY_WITH_PARENT,
                                           "gtk-cancel", GTK_RESPONSE_CANCEL,
diff --git a/src/proctable.cpp b/src/proctable.cpp
index b9b0a75..faab2b0 100644
--- a/src/proctable.cpp
+++ b/src/proctable.cpp
@@ -71,6 +71,14 @@ ProcInfo* ProcInfo::find(pid_t pid)
     return (it == ProcInfo::all.end() ? NULL : it->second);
 }
 
+void
+get_last_selected (GtkTreeModel *model, GtkTreePath *path,
+           GtkTreeIter *iter, gpointer data)
+{
+    ProcInfo **info = static_cast<ProcInfo**>(data);
+
+    gtk_tree_model_get (model, iter, COL_POINTER, info, -1);
+}
 
 static void
 cb_columns_changed(GtkTreeView *treeview, gpointer user_data)
diff --git a/src/proctable.h b/src/proctable.h
index e47c6d8..afad7e2 100644
--- a/src/proctable.h
+++ b/src/proctable.h
@@ -71,4 +71,7 @@ void            proctable_set_columns_order(GtkTreeView *treeview, GSList *order
 
 char*           make_loadavg_string(void);
 
+void            get_last_selected (GtkTreeModel *model, GtkTreePath *path,
+                                   GtkTreeIter *iter, gpointer data);
+
 #endif /* _PROCMAN_PROCTABLE_H_ */