feat: add widget slider

Author: rtgiskard

src/configSchema.json

@@ -324,6 +324,9 @@
         "^menubar(#[a-zA-Z0-9_-]{1,}){0,1}?$": {
           "$ref": "#/widgets/menubar"
         },
+        "^slider(#[a-zA-Z0-9_-]{1,}){0,1}?$": {
+          "$ref": "#/widgets/slider"
+        },
         "^volume(#[a-zA-Z0-9_-]{1,}){0,1}?$": {
           "$ref": "#/widgets/volume"
         },
@@ -446,9 +449,9 @@
                 "default": ""
               },
               "active": {
-                  "type": "boolean",
-                  "description": "Wether the toggle button is active as default or not",
-                  "default": false
+                "type": "boolean",
+                "description": "Wether the toggle button is active as default or not",
+                "default": false
               }
             }
           }
@@ -482,13 +485,13 @@
               "description": "Animation type for menu",
               "enum": ["slide_down", "slide_up", "none"]
             },
-            "animation-duration":{
+            "animation-duration": {
               "type": "integer",
               "default": 250,
               "description": "Duration of animation in milliseconds"
             },
             "actions": {
-              "$ref" : "#/widgets/buttons-grid/properties/actions"
+              "$ref": "#/widgets/buttons-grid/properties/actions"
             }
           }
         },
@@ -504,12 +507,59 @@
               "enum": ["right", "left"]
             },
             "actions": {
-              "$ref" : "#/widgets/buttons-grid/properties/actions"
+              "$ref": "#/widgets/buttons-grid/properties/actions"
             }
           }
         }
       }
     },
+    "slider": {
+      "type": "object",
+      "description": "Slider to control pulse volume",
+      "additionalProperties": false,
+      "properties": {
+        "label": {
+          "type": "string",
+          "description": "Text displayed in front of the slider",
+          "default": "slider"
+        },
+        "cmd_setter": {
+          "type": "string",
+          "description": "command to set the value",
+          "default": ""
+        },
+        "cmd_getter": {
+          "type": "string",
+          "description": "command to get the actual value",
+          "default": ""
+        },
+        "min": {
+          "type": "integer",
+          "description": "minimum value of the slider range",
+          "default": 0
+        },
+        "max": {
+          "type": "integer",
+          "description": "maximum value of the slider range",
+          "default": 100
+        },
+        "min_limit": {
+          "type": "integer",
+          "description": "limit minimum value of the slider",
+          "default": 0
+        },
+        "max_limit": {
+          "type": "integer",
+          "description": "limit maximum value of the slider",
+          "default": 100
+        },
+        "value_scale": {
+          "type": "integer",
+          "default": 0,
+          "description": "scale small value, slider round digits"
+        }
+      }
+    },
     "volume": {
       "type": "object",
       "description": "Slider to control pulse volume",
@@ -561,7 +611,7 @@
           "description": "Animation type for menu",
           "enum": ["slide_down", "slide_up", "none"]
         },
-        "animation-duration":{
+        "animation-duration": {
           "type": "integer",
           "default": 250,
           "description": "Duration of animation in milliseconds"

src/controlCenter/widgets/factory.vala

@@ -26,6 +26,9 @@ namespace SwayNotificationCenter.Widgets {
             case "buttons-grid":
                 widget = new ButtonsGrid (suffix, swaync_daemon, noti_daemon);
                 break;
+            case "slider":
+                widget = new Slider (suffix, swaync_daemon, noti_daemon);
+                break;
 #if HAVE_PULSE_AUDIO
             case "volume":
                 widget = new Volume (suffix, swaync_daemon, noti_daemon);

src/controlCenter/widgets/slider/slider.vala

@@ -0,0 +1,98 @@
+namespace SwayNotificationCenter.Widgets {
+    public class Slider : BaseWidget {
+        public override string widget_name {
+            get {
+                return "slider";
+            }
+        }
+
+        Gtk.Label label_widget = new Gtk.Label (null);
+        Gtk.Scale slider = new Gtk.Scale.with_range (Gtk.Orientation.HORIZONTAL, 0, 100, 1);
+
+        private double min_limit;
+        private double max_limit;
+        private double ? last_set;
+
+        private string cmd_setter;
+        private string cmd_getter;
+
+        public Slider (string suffix, SwayncDaemon swaync_daemon, NotiDaemon noti_daemon) {
+            base (suffix, swaync_daemon, noti_daemon);
+
+            int ? round_digits = 0;
+
+            Json.Object ? config = get_config (this);
+            if (config != null) {
+                string ? label = get_prop<string> (config, "label");
+                label_widget.set_label (label ?? "Slider");
+
+                cmd_setter = get_prop<string> (config, "cmd_setter") ?? "";
+                cmd_getter = get_prop<string> (config, "cmd_getter") ?? "";
+
+                int ? min = get_prop<int> (config, "min");
+                int ? max = get_prop<int> (config, "max");
+                int ? maxl = get_prop<int> (config, "max_limit");
+                int ? minl = get_prop<int> (config, "min_limit");
+                round_digits = get_prop<int> (config, "value_scale");
+
+                if (min == null)min = 0;
+                if (max == null)max = 100;
+                if (round_digits == null)round_digits = 0;
+
+                max_limit = maxl != null ? double.min (max, maxl) : max;
+
+                min_limit = minl != null ? double.max (min, minl) : min;
+
+                double scale = Math.pow (10, round_digits);
+
+                min_limit /= scale;
+                max_limit /= scale;
+
+                slider.set_range (min / scale, max / scale);
+            }
+
+            slider.set_draw_value (false);
+            slider.set_round_digits (round_digits);
+            slider.value_changed.connect (() => {
+                double value = slider.get_value ();
+                if (value > max_limit)
+                    value = max_limit;
+                if (value < min_limit)
+                    value = min_limit;
+                slider.set_value (value);
+
+                string value_str = value.to_string ();
+                slider.tooltip_text = value_str;
+
+                if (cmd_setter != "" && last_set != value) {
+                    last_set = value;
+                    Functions.execute_command.begin (cmd_setter + " " + value_str);
+                }
+            });
+
+            add (label_widget);
+            pack_start (slider, true, true, 0);
+
+            show_all ();
+        }
+
+        public async void on_update () {
+            if (cmd_getter == "")
+                return;
+
+            string value_str = "";
+            yield Functions.execute_command (cmd_getter, {}, out value_str);
+
+            double value = double.parse (value_str);
+            if (value <= max_limit && value >= min_limit) {
+                last_set = value;
+                slider.set_value (value);
+            }
+        }
+
+        public override void on_cc_visibility_change (bool value) {
+            if (value)
+                on_update.begin ();
+        }
+    }
+}

src/meson.build

@@ -41,6 +41,8 @@ widget_sources = [
   'controlCenter/widgets/menubar/menubar.vala',
   # Widget: Buttons Grid
   'controlCenter/widgets/buttonsGrid/buttonsGrid.vala',
+  # Widget: Slider
+  'controlCenter/widgets/slider/slider.vala',
   # Widget: Backlight Slider
   'controlCenter/widgets/backlight/backlight.vala',
   'controlCenter/widgets/backlight/backlightUtil.vala',