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Magnifier: Restore crosshairs

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This patch is to restore broken crosshairs so they may be used
once more

https://bugzilla.gnome.org/show_bug.cgi?id=723709
	magnifier.js
This commit is contained in:
Magdalen Berns 2014-02-08 23:47:40 +00:00
parent 5451751513
commit 8d8d1cfdd6
1 changed files with 55 additions and 74 deletions
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129
js/ui/magnifier.js
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@ -57,20 +57,6 @@ const Magnifier = new Lang.Class({
// Magnifier is a manager of ZoomRegions.
this._zoomRegions = [];
// Export to dbus.
magDBusService = new MagnifierDBus.ShellMagnifier();
let showAtLaunch = this._settingsInit();
this.setActive(showAtLaunch);
},
_initialize: function() {
if (this._initialized)
return;
this._initialized = true;
this._settingsInitLate();
// Create small clutter tree for the magnified mouse.
let cursorTracker = Meta.CursorTracker.get_for_screen(global.screen);
this._mouseSprite = new Clutter.Texture();
@ -86,11 +72,15 @@ const Magnifier = new Lang.Class({
let aZoomRegion = new ZoomRegion(this, this._cursorRoot);
this._zoomRegions.push(aZoomRegion);
this._settingsInitRegion(aZoomRegion);
let showAtLaunch = this._settingsInit(aZoomRegion);
aZoomRegion.scrollContentsTo(this.xMouse, this.yMouse);
cursorTracker.connect('cursor-changed', Lang.bind(this, this._updateMouseSprite));
this._cursorTracker = cursorTracker;
// Export to dbus.
magDBusService = new MagnifierDBus.ShellMagnifier();
this.setActive(showAtLaunch);
},
/**
@ -115,12 +105,6 @@ const Magnifier = new Lang.Class({
* @activate: Boolean to activate or de-activate the magnifier.
*/
setActive: function(activate) {
if (activate == this.isActive())
return;
if (activate)
this._initialize();
this._zoomRegions.forEach (function(zoomRegion, index, array) {
zoomRegion.setActive(activate);
});
@ -452,68 +436,64 @@ const Magnifier = new Lang.Class({
this._mouseSprite.set_anchor_point(xHot, yHot);
},
_settingsInitRegion: function(zoomRegion) {
// Mag factor is accurate to two decimal places.
let aPref = parseFloat(this._settings.get_double(MAG_FACTOR_KEY).toFixed(2));
if (aPref != 0.0)
zoomRegion.setMagFactor(aPref, aPref);
aPref = this._settings.get_enum(SCREEN_POSITION_KEY);
if (aPref)
zoomRegion.setScreenPosition(aPref);
zoomRegion.setLensMode(this._settings.get_boolean(LENS_MODE_KEY));
zoomRegion.setClampScrollingAtEdges(!this._settings.get_boolean(CLAMP_MODE_KEY));
aPref = this._settings.get_enum(MOUSE_TRACKING_KEY);
if (aPref)
zoomRegion.setMouseTrackingMode(aPref);
aPref = this._settings.get_enum(FOCUS_TRACKING_KEY);
if (aPref)
zoomRegion.setFocusTrackingMode(aPref);
aPref = this._settings.get_enum(CARET_TRACKING_KEY);
if (aPref)
zoomRegion.setCaretTrackingMode(aPref);
aPref = this._settings.get_boolean(INVERT_LIGHTNESS_KEY);
if (aPref)
zoomRegion.setInvertLightness(aPref);
aPref = this._settings.get_double(COLOR_SATURATION_KEY);
if (aPref)
zoomRegion.setColorSaturation(aPref);
let bc = {};
bc.r = this._settings.get_double(BRIGHT_RED_KEY);
bc.g = this._settings.get_double(BRIGHT_GREEN_KEY);
bc.b = this._settings.get_double(BRIGHT_BLUE_KEY);
zoomRegion.setBrightness(bc);
bc.r = this._settings.get_double(CONTRAST_RED_KEY);
bc.g = this._settings.get_double(CONTRAST_GREEN_KEY);
bc.b = this._settings.get_double(CONTRAST_BLUE_KEY);
zoomRegion.setContrast(bc);
},
_settingsInit: function() {
_settingsInit: function(zoomRegion) {
this._appSettings = new Gio.Settings({ schema: APPLICATIONS_SCHEMA });
this._settings = new Gio.Settings({ schema: MAGNIFIER_SCHEMA });
this._appSettings.connect('changed::' + SHOW_KEY, Lang.bind(this, function() {
let active = this._appSettings.get_boolean(SHOW_KEY);
this.setActive(active);
}));
if (zoomRegion) {
// Mag factor is accurate to two decimal places.
let aPref = parseFloat(this._settings.get_double(MAG_FACTOR_KEY).toFixed(2));
if (aPref != 0.0)
zoomRegion.setMagFactor(aPref, aPref);
return this._appSettings.get_boolean(SHOW_KEY);
},
aPref = this._settings.get_enum(SCREEN_POSITION_KEY);
if (aPref)
zoomRegion.setScreenPosition(aPref);
zoomRegion.setLensMode(this._settings.get_boolean(LENS_MODE_KEY));
zoomRegion.setClampScrollingAtEdges(!this._settings.get_boolean(CLAMP_MODE_KEY));
aPref = this._settings.get_enum(MOUSE_TRACKING_KEY);
if (aPref)
zoomRegion.setMouseTrackingMode(aPref);
aPref = this._settings.get_enum(FOCUS_TRACKING_KEY);
if (aPref)
zoomRegion.setFocusTrackingMode(aPref);
aPref = this._settings.get_enum(CARET_TRACKING_KEY);
if (aPref)
zoomRegion.setCaretTrackingMode(aPref);
aPref = this._settings.get_boolean(INVERT_LIGHTNESS_KEY);
if (aPref)
zoomRegion.setInvertLightness(aPref);
aPref = this._settings.get_double(COLOR_SATURATION_KEY);
if (aPref)
zoomRegion.setColorSaturation(aPref);
let bc = {};
bc.r = this._settings.get_double(BRIGHT_RED_KEY);
bc.g = this._settings.get_double(BRIGHT_GREEN_KEY);
bc.b = this._settings.get_double(BRIGHT_BLUE_KEY);
zoomRegion.setBrightness(bc);
bc.r = this._settings.get_double(CONTRAST_RED_KEY);
bc.g = this._settings.get_double(CONTRAST_GREEN_KEY);
bc.b = this._settings.get_double(CONTRAST_BLUE_KEY);
zoomRegion.setContrast(bc);
}
_settingsInitLate: function() {
let showCrosshairs = this._settings.get_boolean(SHOW_CROSS_HAIRS_KEY);
this.addCrosshairs();
this.setCrosshairsVisible(showCrosshairs);
this._appSettings.connect('changed::' + SHOW_KEY,
Lang.bind(this, function() {
this.setActive(this._appSettings.get_boolean(SHOW_KEY));
}));
this._settings.connect('changed::' + SCREEN_POSITION_KEY,
Lang.bind(this, this._updateScreenPosition));
this._settings.connect('changed::' + MAG_FACTOR_KEY,
@ -577,6 +557,7 @@ const Magnifier = new Lang.Class({
Lang.bind(this, function() {
this.setCrosshairsClip(this._settings.get_boolean(CROSS_HAIRS_CLIP_KEY));
}));
return this._appSettings.get_boolean(SHOW_KEY);
},
_updateScreenPosition: function() {