panel: allow padding around panel buttons to shrink
for narrow screens (eg, portrait orientation) https://bugzilla.gnome.org/show_bug.cgi?id=651299
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@ -2,26 +2,110 @@
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const Clutter = imports.gi.Clutter;
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const Gtk = imports.gi.Gtk;
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const Lang = imports.lang;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const St = imports.gi.St;
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const Lang = imports.lang;
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const PopupMenu = imports.ui.popupMenu;
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const Main = imports.ui.main;
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const Params = imports.misc.params;
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const PopupMenu = imports.ui.popupMenu;
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function ButtonBox(params) {
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this._init.apply(this, arguments);
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};
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ButtonBox.prototype = {
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_init: function(params) {
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params = Params.parse(params, { style_class: 'panel-button' }, true);
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this.actor = new Shell.GenericContainer(params);
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this.actor._delegate = this;
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this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
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this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
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this.actor.connect('allocate', Lang.bind(this, this._allocate));
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this.actor.connect('style-changed', Lang.bind(this, this._onStyleChanged));
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this._minHPadding = this._natHPadding = 0.0;
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},
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_onStyleChanged: function(actor) {
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let themeNode = actor.get_theme_node();
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this._minHPadding = themeNode.get_length('-minimum-hpadding');
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this._natHPadding = themeNode.get_length('-natural-hpadding');
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},
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_getPreferredWidth: function(actor, forHeight, alloc) {
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let children = actor.get_children();
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let child = children.length > 0 ? children[0] : null;
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if (child) {
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[alloc.min_size, alloc.natural_size] = child.get_preferred_width(-1);
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} else {
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alloc.min_size = alloc.natural_size = 0;
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}
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alloc.min_size += 2 * this._minHPadding;
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alloc.natural_size += 2 * this._natHPadding;
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},
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_getPreferredHeight: function(actor, forWidth, alloc) {
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let children = actor.get_children();
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let child = children.length > 0 ? children[0] : null;
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if (child) {
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[alloc.min_size, alloc.natural_size] = child.get_preferred_height(-1);
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} else {
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alloc.min_size = alloc.natural_size = 0;
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}
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},
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_allocate: function(actor, box, flags) {
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let children = actor.get_children();
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if (children.length == 0)
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return;
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let child = children[0];
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let [minWidth, natWidth] = child.get_preferred_width(-1);
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let [minHeight, natHeight] = child.get_preferred_height(-1);
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let availWidth = box.x2 - box.x1;
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let availHeight = box.y2 - box.y1;
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let childBox = new Clutter.ActorBox();
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if (natWidth + 2 * this._natHPadding <= availWidth) {
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childBox.x1 = this._natHPadding;
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childBox.x2 = availWidth - this._natHPadding;
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} else {
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childBox.x1 = this._minHPadding;
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childBox.x2 = availWidth - this._minHPadding;
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}
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if (natHeight <= availHeight) {
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childBox.y1 = Math.floor((availHeight - natHeight) / 2);
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childBox.y2 = childBox.y1 + natHeight;
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} else {
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childBox.y1 = 0;
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childBox.y2 = availHeight;
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}
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child.allocate(childBox, flags);
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},
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}
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function Button(menuAlignment) {
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this._init(menuAlignment);
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}
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Button.prototype = {
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__proto__: ButtonBox.prototype,
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_init: function(menuAlignment) {
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this.actor = new St.Bin({ style_class: 'panel-button',
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reactive: true,
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can_focus: true,
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x_fill: true,
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y_fill: false,
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track_hover: true });
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this.actor._delegate = this;
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ButtonBox.prototype._init.call(this, { reactive: true,
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can_focus: true,
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track_hover: true });
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this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
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this.actor.connect('key-press-event', Lang.bind(this, this._onSourceKeyPress));
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this.menu = new PopupMenu.PopupMenu(this.actor, menuAlignment, St.Side.TOP);
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@ -112,7 +196,7 @@ SystemStatusButton.prototype = {
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this._iconActor = new St.Icon({ icon_name: iconName,
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icon_type: St.IconType.SYMBOLIC,
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style_class: 'system-status-icon' });
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this.actor.set_child(this._iconActor);
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this.actor.add_actor(this._iconActor);
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this.actor.add_style_class_name('panel-status-button');
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this.setTooltip(tooltipText);
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},
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