From 5661e088e300173c64331c5350710b69774b4a99 Mon Sep 17 00:00:00 2001
From: Moritz Bruder <muesli4@gmail.com>
Date: Wed, 12 Apr 2017 18:27:06 +0200
Subject: Run dialog: Allow changing history size

A key has been added to the gsettings schema that controls history size.
The code of the run dialog has been changed to use that key.
---
 data/org.mate.panel.gschema.xml.in |  7 ++++-
 mate-panel/panel-run-dialog.c      | 59 +++++++++++++++++++++-----------------
 2 files changed, 39 insertions(+), 27 deletions(-)

diff --git a/data/org.mate.panel.gschema.xml.in b/data/org.mate.panel.gschema.xml.in
index 241af62e..c58f6e19 100644
--- a/data/org.mate.panel.gschema.xml.in
+++ b/data/org.mate.panel.gschema.xml.in
@@ -23,7 +23,12 @@
     <key name="history-mate-run" type="as">
       <default>[]</default>
       <summary>History for "Run Application" dialog</summary>
-      <description>This is the list of commands used in "Run Application" dialog.</description>
+      <description>This is the list of commands used in "Run Application" dialog. The commands are sorted descendingly by recency (e.g., most recent command comes first).</description>
+    </key>
+    <key name="history-max-size-mate-run" type="u">
+      <default>10</default>
+      <summary>Maximum history size for "Run Application" dialog</summary>
+      <description>Controls the maximum size of the history of the "Run Application" dialog. A value of 0 will disable the history.</description>
     </key>
     <key name="toplevel-id-list" type="as">
       <default>[]</default>
diff --git a/mate-panel/panel-run-dialog.c b/mate-panel/panel-run-dialog.c
index e61f3ece..d867ed58 100644
--- a/mate-panel/panel-run-dialog.c
+++ b/mate-panel/panel-run-dialog.c
@@ -114,22 +114,23 @@ static void panel_run_dialog_disconnect_pixmap (PanelRunDialog *dialog);
 
 #define PANEL_RUN_SCHEMA "org.mate.panel"
 #define PANEL_RUN_HISTORY_KEY "history-mate-run"
+#define PANEL_RUN_HISTORY_MAX_SIZE_KEY "history-max-size-mate-run"
 #define PANEL_RUN_SHOW_PROGRAM_LIST_KEY "show-program-list"
-#define PANEL_RUN_MAX_HISTORY 10
 
 static GtkTreeModel *
 _panel_run_get_recent_programs_list (PanelRunDialog *dialog)
 {
 	GtkListStore *list;
 	gchar       **items;
-	int           i = 0;
+	guint         history_max_size;
+	guint         i = 0;
 
 	list = gtk_list_store_new (1, G_TYPE_STRING);
 
+	history_max_size = g_settings_get_uint (dialog->settings, PANEL_RUN_HISTORY_MAX_SIZE_KEY);
 	items = g_settings_get_strv (dialog->settings, PANEL_RUN_HISTORY_KEY);
-
 	for (i = 0;
-	     items[i] && i < PANEL_RUN_MAX_HISTORY;
+	     items[i] && i < history_max_size;
 	     i++) {
 		GtkTreeIter iter;
 		gtk_list_store_append (list, &iter);
@@ -149,30 +150,36 @@ _panel_run_save_recent_programs_list (PanelRunDialog   *dialog,
 	GtkTreeModel *model;
 	GtkTreeIter   iter;
 	GArray       *items;
-	gint          i = 0;
-
-	items = g_array_new (TRUE, TRUE, sizeof (gchar *));
-	g_array_append_val (items, lastcommand);
-	i++;
-
-	model = gtk_combo_box_get_model (GTK_COMBO_BOX (entry));
-
-	if (gtk_tree_model_get_iter_first (model, &iter)) {
-		char *command;
-		do {
-			gtk_tree_model_get (model, &iter, 0, &command, -1);
-			if (g_strcmp0 (command, lastcommand) == 0)
-				continue;
-			g_array_append_val (items, command);
-			i++;
-		} while (gtk_tree_model_iter_next (model, &iter) &&
-			 i < PANEL_RUN_MAX_HISTORY);
-	}
+	guint         history_max_size;
+	guint         i = 0;
+
+	history_max_size = g_settings_get_uint (dialog->settings, PANEL_RUN_HISTORY_MAX_SIZE_KEY);
+
+	if (history_max_size > 0) {
+		items = g_array_new (TRUE, TRUE, sizeof (gchar *));
+		g_array_append_val (items, lastcommand);
+		i++;
+
+		model = gtk_combo_box_get_model (GTK_COMBO_BOX (entry));
+
+		if (gtk_tree_model_get_iter_first (model, &iter)) {
+			char *command;
+			do {
+				gtk_tree_model_get (model, &iter, 0, &command, -1);
+				if (g_strcmp0 (command, lastcommand) == 0)
+					continue;
+				g_array_append_val (items, command);
+				i++;
+			} while (gtk_tree_model_iter_next (model, &iter) &&
+				 i < history_max_size);
+		}
 
-	g_settings_set_strv (dialog->settings, PANEL_RUN_HISTORY_KEY,
-			     (const gchar **) items->data);
+		g_settings_set_strv (dialog->settings, PANEL_RUN_HISTORY_KEY,
+				     (const gchar **) items->data);
 
-	g_array_free (items, TRUE);
+		g_array_free (items, TRUE);
+
+	}
 }
 
 static void
-- 
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