hyprpanel

ags/HyprPanel/customModules/ram/computeRam.ts

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+const GLib = imports.gi.GLib;
+
+import { divide } from 'customModules/utils';
+import { GenericResourceData } from 'lib/types/customModules/generic';
+import { Variable as VariableType } from 'types/variable';
+
+export const calculateRamUsage = (round: VariableType<boolean>): GenericResourceData => {
+    try {
+        const [success, meminfoBytes] = GLib.file_get_contents('/proc/meminfo');
+
+        if (!success || !meminfoBytes) {
+            throw new Error('Failed to read /proc/meminfo or file content is null.');
+        }
+
+        const meminfo = new TextDecoder('utf-8').decode(meminfoBytes);
+
+        const totalMatch = meminfo.match(/MemTotal:\s+(\d+)/);
+        const availableMatch = meminfo.match(/MemAvailable:\s+(\d+)/);
+
+        if (!totalMatch || !availableMatch) {
+            throw new Error('Failed to parse /proc/meminfo for memory values.');
+        }
+
+        const totalRamInBytes = parseInt(totalMatch[1], 10) * 1024;
+        const availableRamInBytes = parseInt(availableMatch[1], 10) * 1024;
+
+        let usedRam = totalRamInBytes - availableRamInBytes;
+        usedRam = isNaN(usedRam) || usedRam < 0 ? 0 : usedRam;
+
+        return {
+            percentage: divide([totalRamInBytes, usedRam], round.value),
+            total: totalRamInBytes,
+            used: usedRam,
+            free: availableRamInBytes,
+        };
+    } catch (error) {
+        console.error('Error calculating RAM usage:', error);
+        return { total: 0, used: 0, percentage: 0, free: 0 };
+    }
+};

ags/HyprPanel/customModules/ram/index.ts

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+import options from 'options';
+
+// Module initializer
+import { module } from '../module';
+
+// Types
+import { GenericResourceData } from 'lib/types/customModules/generic';
+import Button from 'types/widgets/button';
+
+// Helper Methods
+import { calculateRamUsage } from './computeRam';
+
+// Utility Methods
+import { formatTooltip, inputHandler, renderResourceLabel } from 'customModules/utils';
+import { BarBoxChild, ResourceLabelType } from 'lib/types/bar';
+
+// Global Constants
+import { LABEL_TYPES } from 'lib/types/defaults/bar';
+import { pollVariable } from 'customModules/PollVar';
+import { Attribute, Child } from 'lib/types/widget';
+
+// All the user configurable options for the ram module that are needed
+const { label, labelType, round, leftClick, rightClick, middleClick, pollingInterval, icon } =
+    options.bar.customModules.ram;
+
+const defaultRamData: GenericResourceData = { total: 0, used: 0, percentage: 0, free: 0 };
+const ramUsage = Variable<GenericResourceData>(defaultRamData);
+
+pollVariable(ramUsage, [round.bind('value')], pollingInterval.bind('value'), calculateRamUsage, round);
+
+export const Ram = (): BarBoxChild => {
+    const ramModule = module({
+        textIcon: icon.bind('value'),
+        label: Utils.merge(
+            [ramUsage.bind('value'), labelType.bind('value'), round.bind('value')],
+            (rmUsg: GenericResourceData, lblTyp: ResourceLabelType, round: boolean) => {
+                const returnValue = renderResourceLabel(lblTyp, rmUsg, round);
+
+                return returnValue;
+            },
+        ),
+        tooltipText: labelType.bind('value').as((lblTyp) => {
+            return formatTooltip('RAM', lblTyp);
+        }),
+        boxClass: 'ram',
+        showLabelBinding: label.bind('value'),
+        props: {
+            setup: (self: Button<Child, Attribute>) => {
+                inputHandler(self, {
+                    onPrimaryClick: {
+                        cmd: leftClick,
+                    },
+                    onSecondaryClick: {
+                        cmd: rightClick,
+                    },
+                    onMiddleClick: {
+                        cmd: middleClick,
+                    },
+                    onScrollUp: {
+                        fn: () => {
+                            labelType.value = LABEL_TYPES[
+                                (LABEL_TYPES.indexOf(labelType.value) + 1) % LABEL_TYPES.length
+                            ] as ResourceLabelType;
+                        },
+                    },
+                    onScrollDown: {
+                        fn: () => {
+                            labelType.value = LABEL_TYPES[
+                                (LABEL_TYPES.indexOf(labelType.value) - 1 + LABEL_TYPES.length) % LABEL_TYPES.length
+                            ] as ResourceLabelType;
+                        },
+                    },
+                });
+            },
+        },
+    });
+
+    return ramModule;
+};