// Weather extension for Gnome shell // ---------- // - Displays a small weather information on the top panel // - On click, gives a popup with details about the weather // ---------- /* Copyright (C) 2011 Timur Kristóf , Elad Alfassa This file is part of gnome-shell-extension-weather. gnome-shell-extension-weather is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Foobar is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with gnome-shell-extension-weather. If not, see . */ const GLib = imports.gi.GLib; const Gio = imports.gi.Gio; const Lang = imports.lang; const Mainloop = imports.mainloop; const Cairo = imports.cairo; const Clutter = imports.gi.Clutter; const Shell = imports.gi.Shell; const St = imports.gi.St; const Gettext = imports.gettext.domain('gnome-shell'); const _ = Gettext.gettext; const Util = imports.misc.util; const Main = imports.ui.main; const PanelMenu = imports.ui.panelMenu; const PopupMenu = imports.ui.popupMenu; const Calendar = imports.ui.calendar; function WeatherMenuButton() { this._init(); } WeatherMenuButton.prototype = { __proto__: PanelMenu.Button.prototype, _init: function() { // Panel icon this._weatherIcon = new St.Icon({ icon_type: St.IconType.FULLCOLOR, icon_size: Main.panel.button.get_child().height - 4, icon_name: 'view-refresh-symbolic' }); if (Main.panel.actor.get_direction() == St.TextDirection.RTL) { this._weatherIcon.set_style('padding-left: 5px;'); } else { this._weatherIcon.set_style('padding-right: 5px;'); } // Label this._weatherInfo = new St.Label({ text: 'Loading weather...' }); // Panel menu item - the current class let menuAlignment = 0.25; if (St.Widget.get_default_direction() == St.TextDirection.RTL) menuAlignment = 1.0 - menuAlignment; PanelMenu.Button.prototype._init.call(this, menuAlignment); // Putting the panel item together let topBox = new St.BoxLayout(); topBox.add_actor(this._weatherIcon); topBox.add_actor(this._weatherInfo); this.actor.set_child(topBox); // Current weather this._currentWeather = new St.Bin(); // Future weather this._futureWeather = new St.Bin(); // Separator (copied from Gnome shell's popupMenu.js) this._separatorArea = new St.DrawingArea({ style_class: 'popup-separator-menu-item' }); this._separatorArea.width = 200; this._separatorArea.connect('repaint', Lang.bind(this, this._onSeparatorAreaRepaint)); // Putting the popup item together let mainBox = new St.BoxLayout(); mainBox.set_vertical(true); mainBox.add_actor(this._currentWeather); mainBox.add_actor(this._separatorArea); //mainBox.add_actor(this._futureWeather); this.menu.addActor(mainBox); // Items this.showLoadingUi(); // TODO: start weather request and hook up event handlers. this.rebuildCurrentWeatherUi(); this.refreshWeather(); }, refreshWeather: function() { // Refreshing current weather let location = 'Budapest'; /* TODO */ let comment = 'Snowing'; /* TODO */ let temperature = '0'; /* TODO */ let temperature_unit = 'C'; /* TODO */ let humidity = '20 %'; /* TODO */ let wind = 'Northwest 20 km/h'; /* TODO */ let iconname = 'weather-snow-symbolic'; /* TODO */ this._currentWeatherIcon.icon_name = this._weatherIcon.icon_name = iconname; this._weatherInfo.text = (comment + ', ' + temperature + ' ' + temperature_unit); this._currentWeatherSummary.text = comment; this._currentWeatherLocation.text = location; this._currentWeatherTemperature.text = 'Temperature: ' + temperature + ' ' + temperature_unit; this._currentWeatherHumidity.text = 'Humidity: ' + humidity; this._currentWeatherWind.text = 'Wind: ' + wind; }, destroyCurrentWeather: function() { if (this._currentWeather.get_child() != null) this._currentWeather.get_child().destroy(); }, destroyFutureWeather: function() { if (this._futureWeather.get_child() != null) this._futureWeather.get_child().destroy(); }, showLoadingUi: function() { this.destroyCurrentWeather(); this.destroyFutureWeather(); this._currentWeather.set_child(new St.Label({ text: 'Loading current weather...' })); this._futureWeather.set_child(new St.Label({ text: 'Loading future weather...' })); }, rebuildCurrentWeatherUi: function() { this.destroyCurrentWeather(); // This will hold the icon for the current weather this._currentWeatherIcon = new St.Icon({ icon_type: St.IconType.FULLCOLOR, icon_size: 64, icon_name: 'view-refresh-symbolic' }); if (Main.panel.actor.get_direction() == St.TextDirection.RTL) { this._currentWeatherIcon.set_style('padding-left: 10px;'); } else { this._currentWeatherIcon.set_style('padding-right: 10px;'); } // The summary of the current weather this._currentWeatherSummary = new St.Label({ text: 'Loading...' }); this._currentWeatherSummary.set_style('font-size: 35px;'); // Other labels this._currentWeatherLocation = new St.Label({ text: 'Please wait' }); this._currentWeatherTemperature = new St.Label({ text: 'Temperature: ...' }); this._currentWeatherHumidity = new St.Label({ text: 'Humidity: ...' }); this._currentWeatherWind = new St.Label({ text: 'Wind: ...' }); let bb = new St.BoxLayout(); bb.set_vertical(true); bb.add_actor(this._currentWeatherLocation); bb.add_actor(this._currentWeatherSummary); bb.set_style('padding-top: 15px;'); let rb = new St.BoxLayout(); rb.set_vertical(true); rb.add_actor(this._currentWeatherTemperature); rb.add_actor(this._currentWeatherHumidity); rb.add_actor(this._currentWeatherWind); rb.set_style('padding-top: 15px; padding-left: 10px;'); let xb = new St.BoxLayout(); xb.add_actor(bb); xb.add_actor(rb); let box = new St.BoxLayout(); box.add_actor(this._currentWeatherIcon); box.add_actor(xb); box.set_style('padding: 10px;'); this._currentWeather.set_child(box); }, rebuildFutureWeatherUi: function() { }, // Copied from Gnome shell's popupMenu.js _onSeparatorAreaRepaint: function(area) { let cr = area.get_context(); let themeNode = area.get_theme_node(); let [width, height] = area.get_surface_size(); let margin = themeNode.get_length('-margin-horizontal'); let gradientHeight = themeNode.get_length('-gradient-height'); let startColor = themeNode.get_color('-gradient-start'); let endColor = themeNode.get_color('-gradient-end'); let gradientWidth = (width - margin * 2); let gradientOffset = (height - gradientHeight) / 2; let pattern = new Cairo.LinearGradient(margin, gradientOffset, width - margin, gradientOffset + gradientHeight); pattern.addColorStopRGBA(0, startColor.red / 255, startColor.green / 255, startColor.blue / 255, startColor.alpha / 255); pattern.addColorStopRGBA(0.5, endColor.red / 255, endColor.green / 255, endColor.blue / 255, endColor.alpha / 255); pattern.addColorStopRGBA(1, startColor.red / 255, startColor.green / 255, startColor.blue / 255, startColor.alpha / 255); cr.setSource(pattern); cr.rectangle(margin, gradientOffset, gradientWidth, gradientHeight); cr.fill(); } }; function main() { this._weatherMenu = new WeatherMenuButton(); Main.panel._centerBox.add(this._weatherMenu.actor, { y_fill: true }); }