gnome-shell/js/ui/button.js
Marina Zhurakhinskaya e365a0ba7a Press in the Activities button when the overlay is entered
In addition to pressing the Activities button, the overlay can be entered
by pressing the System key or Alt+F1. We want the button to look pressed in
in these cases too.
2009-05-08 16:27:14 -04:00

115 lines
4.0 KiB
JavaScript

/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Big = imports.gi.Big;
const Clutter = imports.gi.Clutter;
const DEFAULT_BUTTON_COLOR = new Clutter.Color();
DEFAULT_BUTTON_COLOR.from_pixel(0xeeddcc66);
const DEFAULT_PRESSED_BUTTON_COLOR = new Clutter.Color();
DEFAULT_PRESSED_BUTTON_COLOR.from_pixel(0xccbbaa66);
function Button(widget, buttonColor, pressedButtonColor, staysPressed, minWidth, minHeight) {
this._init(widget, buttonColor, pressedButtonColor, staysPressed, minWidth, minHeight);
}
Button.prototype = {
_init : function(widgetOrText, buttonColor, pressedButtonColor, staysPressed, minWidth, minHeight) {
let me = this;
this._buttonColor = buttonColor
if (buttonColor == null)
this._buttonColor = DEFAULT_BUTTON_COLOR;
this._pressedButtonColor = pressedButtonColor
if (pressedButtonColor == null)
this._pressedButtonColor = DEFAULT_PRESSED_BUTTON_COLOR;
this._staysPressed = staysPressed
if (staysPressed == null)
this._staysPressed = false;
if (minWidth == null)
minWidth = 0;
if (minHeight == null)
minHeight = 0;
// if this._staysPressed is true, this._active will be true past the first release of a button, until a subsequent one (the button
// is unpressed) or until release() is called explicitly
this._active = false;
this._isBetweenPressAndRelease = false;
this._mouseIsOverButton = false;
this.button = new Big.Box({ reactive: true,
corner_radius: 5,
padding_left: 4,
padding_right: 4,
orientation: Big.BoxOrientation.HORIZONTAL,
y_align: Big.BoxAlignment.CENTER
});
if (typeof widgetOrText == 'string') {
this._widget = new Clutter.Text({ font_name: "Sans Bold 16px",
text: widgetOrText });
} else {
this._widget = widgetOrText;
}
this.button.append(this._widget, Big.BoxPackFlags.EXPAND);
this._minWidth = minWidth;
this._minHeight = minHeight;
this.button.connect('button-press-event',
function(o, event) {
me._isBetweenPressAndRelease = true;
me.button.backgroundColor = me._pressedButtonColor;
return false;
});
this.button.connect('button-release-event',
function(o, event) {
me._isBetweenPressAndRelease = false;
if (!me._staysPressed || me._active) {
me.release();
} else {
me._active = true;
}
return false;
});
this.button.connect('enter-event',
function(o, event) {
me._mouseIsOverButton = true;
if (!me._active) {
me.button.backgroundColor = me._buttonColor;
}
return false;
});
this.button.connect('leave-event',
function(o, event) {
me._isBetweenPressAndRelease = false;
me._mouseIsOverButton = false;
if (!me._active) {
me.button.backgroundColor = null;
}
return false;
});
},
pressIn : function() {
if (!this._isBetweenPressAndRelease && this._staysPressed) {
this._active = true;
this.button.backgroundColor = this._pressedButtonColor;
}
},
release : function() {
if (!this._isBetweenPressAndRelease && this._staysPressed) {
this._active = false;
if (this._mouseIsOverButton) {
this.button.backgroundColor = this._buttonColor;
} else {
this.button.backgroundColor = null;
}
}
}
};