add settings to center buttons-grid

man/swaync.5.scd

@@ -135,7 +135,7 @@ config file to be able to detect config errors
 	type: bool ++
 	default: true ++
 	description: Display notification timestamps relative to now e.g. \"26 minutes ago\". ++
-		If false, a local iso8601-formatted absolute timestamp is displayed. 
+		If false, a local iso8601-formatted absolute timestamp is displayed.
 
 *control-center-height* ++
 	type: integer ++
@@ -442,6 +442,21 @@ config file to be able to detect config errors
 			type: object ++
 			css class: widget-buttons (access buttons with >flowbox>flowboxchild>button) ++
 			properties: ++
+				center: ++
+					type: bool ++
+					optional: true ++
+					default: false ++
+					description: set buttons-grid halign to center ++
+				column-min: ++
+					type: integer ++
+					optional: true ++
+					default: 0 ++
+					description: minimum number of buttons per line ++
+				column-max: ++
+					type: integer ++
+					optional: true ++
+					default: 0 ++
+					description: maximum number of buttons per line ++
 				actions: ++
 					type: array ++
 					Default values: [] ++

src/configSchema.json

@@ -418,6 +418,21 @@
       "description": "A widget to add a grid of buttons that execute shell commands",
       "additionalProperties": false,
       "properties": {
+        "center": {
+          "type": "boolean",
+          "description": "set buttons-grid halign to center",
+          "default": false
+        },
+        "column-min": {
+          "type": "integer",
+          "description": "minimum number of buttons per line",
+          "default": 0
+        },
+        "column-max": {
+          "type": "integer",
+          "description": "maximum number of buttons per line",
+          "default": 0
+        },
         "actions": {
           "type": "array",
           "description": "A list of actions containing a label and a command",

src/controlCenter/widgets/buttonsGrid/buttonsGrid.vala

@@ -15,20 +15,37 @@ namespace SwayNotificationCenter.Widgets {
         public ButtonsGrid (string suffix, SwayncDaemon swaync_daemon, NotiDaemon noti_daemon) {
             base (suffix, swaync_daemon, noti_daemon);
 
+            Gtk.FlowBox container = new Gtk.FlowBox ();
+            container.set_selection_mode (Gtk.SelectionMode.NONE);
+            pack_start (container, true, true, 0);
+
             Json.Object ? config = get_config (this);
             if (config != null) {
                 Json.Array a = get_prop_array (config, "actions");
-                if (a != null) actions = parse_actions (a);
-            }
+                if (a != null) {
+                    actions = parse_actions (a);
+                }
 
-            Gtk.FlowBox container = new Gtk.FlowBox ();
-            container.set_selection_mode (Gtk.SelectionMode.NONE);
-            pack_start (container, true, true, 0);
+                bool ? center = get_prop<bool> (config, "center");
+                if (center != null && center) {
+                    container.set_halign (Gtk.Align.CENTER);
+                }
+
+                int ? col_min = get_prop<int> (config, "column-min");
+                if (col_min != null && col_min > 0) {
+                    container.set_min_children_per_line (col_min);
+                }
+
+                int ? col_max = get_prop<int> (config, "column-max");
+                if (col_max != null && col_max > 0) {
+                    container.set_max_children_per_line (col_max);
+                }
+            }
 
             // add action to container
             foreach (var act in actions) {
                 switch (act.type) {
-                    case ButtonType.TOGGLE:
+                    case ButtonType.TOGGLE :
                         ToggleButton tb = new ToggleButton (act.label, act.command, act.update_command, act.active);
                         container.insert (tb, -1);
                         toggle_buttons.append (tb);