gnome-shell/js/ui/dash.js
Colin Walters fec2ea5e9c [dash] Convert pane close to St.Button, avoiding release event propagation
The workspaces was handling the release event after closing the pane,
catch it before closing by using St.Button.
2009-11-12 13:09:20 -05:00

931 lines
36 KiB
JavaScript

/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Big = imports.gi.Big;
const Clutter = imports.gi.Clutter;
const Gtk = imports.gi.Gtk;
const Mainloop = imports.mainloop;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const Lang = imports.lang;
const St = imports.gi.St;
const Gettext = imports.gettext.domain('gnome-shell');
const _ = Gettext.gettext;
const AppDisplay = imports.ui.appDisplay;
const DocDisplay = imports.ui.docDisplay;
const PlaceDisplay = imports.ui.placeDisplay;
const GenericDisplay = imports.ui.genericDisplay;
const Button = imports.ui.button;
const Main = imports.ui.main;
const DEFAULT_PADDING = 4;
const DEFAULT_SPACING = 4;
const BACKGROUND_COLOR = new Clutter.Color();
BACKGROUND_COLOR.from_pixel(0x000000c0);
const PRELIGHT_COLOR = new Clutter.Color();
PRELIGHT_COLOR.from_pixel(0x4f6fadaa);
const TEXT_COLOR = new Clutter.Color();
TEXT_COLOR.from_pixel(0x5f5f5fff);
const BRIGHTER_TEXT_COLOR = new Clutter.Color();
BRIGHTER_TEXT_COLOR.from_pixel(0xbbbbbbff);
const BRIGHT_TEXT_COLOR = new Clutter.Color();
BRIGHT_TEXT_COLOR.from_pixel(0xffffffff);
const SEARCH_TEXT_COLOR = new Clutter.Color();
SEARCH_TEXT_COLOR.from_pixel(0x333333ff);
const SEARCH_CURSOR_COLOR = BRIGHT_TEXT_COLOR;
const HIGHLIGHTED_SEARCH_CURSOR_COLOR = SEARCH_TEXT_COLOR;
const SEARCH_BORDER_BOTTOM_COLOR = new Clutter.Color();
SEARCH_BORDER_BOTTOM_COLOR.from_pixel(0x191919ff);
const BROWSE_ACTIVATED_BG = new Clutter.Color();
BROWSE_ACTIVATED_BG.from_pixel(0x303030f0);
const APPS = "apps";
const PREFS = "prefs";
const DOCS = "docs";
const PLACES = "places";
/*
* Returns the index in an array of a given length that is obtained
* if the provided index is incremented by an increment and the array
* is wrapped in if necessary.
*
* index: prior index, expects 0 <= index < length
* increment: the change in index, expects abs(increment) <= length
* length: the length of the array
*/
function _getIndexWrapped(index, increment, length) {
return (index + increment + length) % length;
}
function _createDisplay(displayType, flags) {
if (displayType == APPS)
return new AppDisplay.AppDisplay(false, flags);
else if (displayType == PREFS)
return new AppDisplay.AppDisplay(true, flags);
else if (displayType == DOCS)
return new DocDisplay.DocDisplay(flags);
else if (displayType == PLACES)
return new PlaceDisplay.PlaceDisplay(flags);
return null;
}
function Pane() {
this._init();
}
Pane.prototype = {
_init: function () {
this._open = false;
this.actor = new St.BoxLayout({ style_class: "dash-pane",
vertical: true,
reactive: true });
this.actor.connect('button-press-event', Lang.bind(this, function (a, e) {
// Eat button press events so they don't go through and close the pane
return true;
}));
let chromeTop = new St.BoxLayout();
let closeIcon = new St.Button({ style_class: "dash-pane-close" });
closeIcon.connect('clicked', Lang.bind(this, function (b, e) {
this.close();
}));
let dummy = new St.Bin();
chromeTop.add(dummy, { expand: true });
chromeTop.add(closeIcon, { x_align: St.Align.END });
this.actor.add(chromeTop);
this.content = new St.BoxLayout({ vertical: true });
this.actor.add(this.content, { expand: true });
// Hidden by default
this.actor.hide();
},
open: function () {
if (this._open)
return;
this._open = true;
this.actor.show();
this.emit('open-state-changed', this._open);
},
close: function () {
if (!this._open)
return;
this._open = false;
this.actor.hide();
this.emit('open-state-changed', this._open);
},
destroyContent: function() {
let children = this.content.get_children();
for (let i = 0; i < children.length; i++) {
children[i].destroy();
}
},
toggle: function () {
if (this._open)
this.close();
else
this.open();
}
}
Signals.addSignalMethods(Pane.prototype);
function ResultArea(displayType, flags) {
this._init(displayType, flags);
}
ResultArea.prototype = {
_init : function(displayType, flags) {
this.actor = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL });
this.resultsContainer = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
spacing: DEFAULT_PADDING
});
this.actor.append(this.resultsContainer, Big.BoxPackFlags.EXPAND);
this.display = _createDisplay(displayType, flags);
this.resultsContainer.append(this.display.actor, Big.BoxPackFlags.EXPAND);
this.display.load();
}
}
// Utility function shared between ResultPane and the DocDisplay in the main dash.
// Connects to the detail signal of the display, and on-demand creates a new
// pane.
function createPaneForDetails(dash, display) {
let detailPane = null;
display.connect('show-details', Lang.bind(this, function(display, index) {
if (detailPane == null) {
detailPane = new Pane();
detailPane.connect('open-state-changed', Lang.bind(this, function (pane, isOpen) {
if (!isOpen) {
/* Ensure we don't keep around large preview textures */
detailPane.destroyContent();
}
}));
dash._addPane(detailPane);
}
if (index >= 0) {
detailPane.destroyContent();
let details = display.createDetailsForIndex(index);
detailPane.content.add(details, { expand: true });
detailPane.open();
} else {
detailPane.close();
}
}));
return null;
}
function ResultPane(dash) {
this._init(dash);
}
ResultPane.prototype = {
__proto__: Pane.prototype,
_init: function(dash) {
Pane.prototype._init.call(this);
this._dash = dash;
},
// Create a display of displayType and pack it into this pane's
// content area. Return the display.
packResults: function(displayType) {
let resultArea = new ResultArea(displayType);
createPaneForDetails(this._dash, resultArea.display);
this.content.add(resultArea.actor, { expand: true });
this.connect('open-state-changed', Lang.bind(this, function(pane, isOpen) {
resultArea.display.resetState();
}));
return resultArea.display;
}
}
function SearchEntry() {
this._init();
}
SearchEntry.prototype = {
_init : function() {
this.actor = new St.BoxLayout({ name: "searchEntry",
reactive: true });
let box = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
y_align: Big.BoxAlignment.CENTER });
this.actor.add(box, { expand: true });
this.actor.connect('button-press-event', Lang.bind(this, function () {
this._resetTextState(true);
return false;
}));
this.pane = null;
this._defaultText = _("Find...");
let textProperties = { font_name: "Sans 16px" };
let entryProperties = { editable: true,
activatable: true,
single_line_mode: true,
color: SEARCH_TEXT_COLOR,
cursor_color: SEARCH_CURSOR_COLOR };
Lang.copyProperties(textProperties, entryProperties);
this.entry = new Clutter.Text(entryProperties);
this.entry.connect('notify::text', Lang.bind(this, function () {
this._resetTextState(false);
}));
box.append(this.entry, Big.BoxPackFlags.EXPAND);
// Mark as editable just to get a cursor
let defaultTextProperties = { ellipsize: Pango.EllipsizeMode.END,
text: this._defaultText,
editable: true,
color: TEXT_COLOR,
cursor_visible: false,
single_line_mode: true };
Lang.copyProperties(textProperties, defaultTextProperties);
this._defaultText = new Clutter.Text(defaultTextProperties);
box.add_actor(this._defaultText);
this.entry.connect('notify::allocation', Lang.bind(this, function () {
this._repositionDefaultText();
}));
this._iconBox = new Big.Box({ x_align: Big.BoxAlignment.CENTER,
y_align: Big.BoxAlignment.CENTER,
padding_right: 4 });
box.append(this._iconBox, Big.BoxPackFlags.END);
let magnifierUri = "file://" + global.imagedir + "magnifier.svg";
this._magnifierIcon = Shell.TextureCache.get_default().load_uri_sync(Shell.TextureCachePolicy.FOREVER,
magnifierUri, 18, 18);
let closeUri = "file://" + global.imagedir + "close-black.svg";
this._closeIcon = Shell.TextureCache.get_default().load_uri_sync(Shell.TextureCachePolicy.FOREVER,
closeUri, 18, 18);
this._closeIcon.reactive = true;
this._closeIcon.connect('button-press-event', Lang.bind(this, function () {
// Resetting this.entry.text will trigger notify::text signal which will
// result in this._resetTextState() being called, but we should not rely
// on that not short-circuiting if the text was already empty, so we call
// this._resetTextState() explicitly in that case.
if (this.entry.text == '')
this._resetTextState(false);
else
this.entry.text = '';
// Return true to stop the signal emission, so that this.actor doesn't get
// the button-press-event and re-highlight itself.
return true;
}));
this._repositionDefaultText();
this._resetTextState();
},
setPane: function (pane) {
this._pane = pane;
},
reset: function () {
this.entry.text = '';
},
getText: function () {
return this.entry.text;
},
_resetTextState: function (searchEntryClicked) {
let text = this.getText();
this._iconBox.remove_all();
// We highlight the search box if the user starts typing in it
// or just clicks in it to indicate that the search is active.
if (text != '' || searchEntryClicked) {
if (!searchEntryClicked)
this._defaultText.hide();
this._iconBox.append(this._closeIcon, Big.BoxPackFlags.NONE);
this.actor.set_style_pseudo_class('active');
this.entry.cursor_color = HIGHLIGHTED_SEARCH_CURSOR_COLOR;
} else {
this._defaultText.show();
this._iconBox.append(this._magnifierIcon, Big.BoxPackFlags.NONE);
this.actor.set_style_pseudo_class(null);
this.entry.cursor_color = SEARCH_CURSOR_COLOR;
}
},
_repositionDefaultText: function () {
// Offset a little to show the cursor
this._defaultText.set_position(this.entry.x + 4, this.entry.y);
this._defaultText.set_size(this.entry.width, this.entry.height);
}
};
Signals.addSignalMethods(SearchEntry.prototype);
function MoreLink() {
this._init();
}
MoreLink.prototype = {
_init : function () {
this.actor = new St.BoxLayout({ style_class: "more-link",
reactive: true });
this.pane = null;
let expander = new St.Bin({ style_class: "more-link-expander" });
this.actor.add(expander, { expand: true, y_fill: false });
this.actor.connect('button-press-event', Lang.bind(this, function (b, e) {
if (this.pane == null) {
// Ensure the pane is created; the activated handler will call setPane
this.emit('activated');
}
this._pane.toggle();
return true;
}));
},
setPane: function (pane) {
this._pane = pane;
this._pane.connect('open-state-changed', Lang.bind(this, function(pane, isOpen) {
}));
}
}
Signals.addSignalMethods(MoreLink.prototype);
function BackLink() {
this._init();
}
BackLink.prototype = {
_init : function () {
this.actor = new St.Button({ style_class: "section-header-back",
reactive: true });
this.actor.set_child(new St.Bin({ style_class: "section-header-back-image" }));
}
}
function SectionHeader(title, suppressBrowse) {
this._init(title, suppressBrowse);
}
SectionHeader.prototype = {
_init : function (title, suppressBrowse) {
this.actor = new St.Bin({ style_class: "section-header",
x_align: St.Align.START,
x_fill: true,
y_fill: true });
this._innerBox = new St.BoxLayout({ style_class: "section-header-inner" });
this.actor.set_child(this._innerBox);
this._backgroundGradient = null;
this.actor.connect('style-changed', Lang.bind(this, this._onStyleChanged));
this.actor.connect('notify::allocation', Lang.bind(this, function (actor) {
if (!this._backgroundGradient)
return;
this._onStyleChanged();
}));
this.backLink = new BackLink();
this._innerBox.add(this.backLink.actor);
this.backLink.actor.hide();
this.backLink.actor.connect('clicked', Lang.bind(this, function (actor) {
this.emit('back-link-activated');
}));
let textBox = new St.BoxLayout({ style_class: "section-text-content" });
this.text = new St.Label({ style_class: "section-title",
text: title });
textBox.add(this.text, { x_align: St.Align.START });
this.countText = new St.Label({ style_class: "section-count" });
textBox.add(this.countText, { expand: true, x_fill: false, x_align: St.Align.END });
this.countText.hide();
this._innerBox.add(textBox, { expand: true });
if (!suppressBrowse) {
this.moreLink = new MoreLink();
this._innerBox.add(this.moreLink.actor, { x_align: St.Align.END });
}
},
_onStyleChanged: function () {
if (this._backgroundGradient) {
this._backgroundGradient.destroy();
}
// Manually implement the gradient
let themeNode = this.actor.get_theme_node();
let gradientTopColor = new Clutter.Color();
if (!themeNode.get_color("-shell-gradient-top", false, gradientTopColor))
return;
let gradientBottomColor = new Clutter.Color();
if (!themeNode.get_color("-shell-gradient-bottom", false, gradientBottomColor))
return;
this._backgroundGradient = Shell.create_vertical_gradient(gradientTopColor,
gradientBottomColor);
let box = this.actor.allocation;
let contentBox = new Clutter.ActorBox();
themeNode.get_content_box(box, contentBox);
let width = contentBox.x2 - contentBox.x1;
let height = contentBox.y2 - contentBox.y1;
this._backgroundGradient.set_size(width, height);
// This will set a fixed position, which puts us outside of the normal box layout
this._backgroundGradient.set_position(0, 0);
this._innerBox.add_actor(this._backgroundGradient);
this._backgroundGradient.lower_bottom();
},
setTitle : function(title) {
this.text.text = title;
},
setBackLinkVisible : function(visible) {
if (visible)
this.backLink.actor.show();
else
this.backLink.actor.hide();
},
setMoreLinkVisible : function(visible) {
if (visible)
this.moreLink.actor.show();
else
this.moreLink.actor.hide();
},
setCountText : function(countText) {
if (countText == "") {
this.countText.hide();
} else {
this.countText.show();
this.countText.text = countText;
}
}
}
Signals.addSignalMethods(SectionHeader.prototype);
function SearchSectionHeader(title, onClick) {
this._init(title, onClick);
}
SearchSectionHeader.prototype = {
_init : function(title, onClick) {
this.actor = new St.Button({ style_class: "dash-search-section-header",
x_fill: true,
y_fill: true });
let box = new St.BoxLayout();
this.actor.set_child(box);
let titleText = new St.Label({ style_class: "dash-search-section-title",
text: title });
this.countText = new St.Label({ style_class: "dash-search-section-count" });
box.add(titleText);
box.add(this.countText, { expand: true, x_fill: false, x_align: St.Align.END });
this.actor.connect('clicked', onClick);
}
}
function Section(titleString, suppressBrowse) {
this._init(titleString, suppressBrowse);
}
Section.prototype = {
_init: function(titleString, suppressBrowse) {
this.actor = new St.BoxLayout({ style_class: 'dash-section',
vertical: true });
this.header = new SectionHeader(titleString, suppressBrowse);
this.actor.add(this.header.actor);
this.content = new St.BoxLayout({ style_class: 'dash-section-content',
vertical: true });
this.actor.add(this.content);
}
}
function Dash() {
this._init();
}
Dash.prototype = {
_init : function() {
// dash and the popup panes need to be reactive so that the clicks in unoccupied places on them
// are not passed to the transparent background underneath them. This background is used for the workspaces area when
// the additional dash panes are being shown and it handles clicks by closing the additional panes, so that the user
// can interact with the workspaces. However, this behavior is not desirable when the click is actually over a pane.
//
// We have to make the individual panes reactive instead of making the whole dash actor reactive because the width
// of the Group actor ends up including the width of its hidden children, so we were getting a reactive object as
// wide as the details pane that was blocking the clicks to the workspaces underneath it even when the details pane
// was actually hidden.
this.actor = new St.BoxLayout({ name: "dash",
vertical: true,
reactive: true });
// Size for this one explicitly set from overlay.js
this.searchArea = new Big.Box({ y_align: Big.BoxAlignment.CENTER });
this.sectionArea = new St.BoxLayout({ name: "dashSections",
vertical: true });
this.actor.add(this.searchArea);
this.actor.add(this.sectionArea);
// The currently active popup display
this._activePane = null;
/***** Search *****/
this._searchActive = false;
this._searchPending = false;
this._searchEntry = new SearchEntry();
this.searchArea.append(this._searchEntry.actor, Big.BoxPackFlags.EXPAND);
this._searchTimeoutId = 0;
this._searchEntry.entry.connect('text-changed', Lang.bind(this, function (se, prop) {
let text = this._searchEntry.getText();
text = text.replace(/^\s+/g, "").replace(/\s+$/g, "")
let searchPreviouslyActive = this._searchActive;
this._searchActive = text != '';
this._searchPending = this._searchActive && !searchPreviouslyActive;
this._updateDashActors();
if (!this._searchActive) {
if (this._searchTimeoutId > 0) {
Mainloop.source_remove(this._searchTimeoutId);
this._searchTimeoutId = 0;
}
return;
}
if (this._searchTimeoutId > 0)
return;
this._searchTimeoutId = Mainloop.timeout_add(150, Lang.bind(this, this._doSearch));
}));
this._searchEntry.entry.connect('activate', Lang.bind(this, function (se) {
if (this._searchTimeoutId > 0) {
Mainloop.source_remove(this._searchTimeoutId);
this._doSearch();
}
// Only one of the displays will have an item selected, so it's ok to
// call activateSelected() on all of them.
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
section.resultArea.display.activateSelected();
}
return true;
}));
this._searchEntry.entry.connect('key-press-event', Lang.bind(this, function (se, e) {
let text = this._searchEntry.getText();
let symbol = e.get_key_symbol();
if (symbol == Clutter.Escape) {
// Escape will keep clearing things back to the desktop.
// If we are showing a particular section of search, go back to all sections.
if (this._searchResultsSingleShownSection != null)
this._showAllSearchSections();
// If we have an active search, we remove it.
else if (this._searchActive)
this._searchEntry.reset();
// Next, if we're in one of the "more" modes or showing the details pane, close them
else if (this._activePane != null)
this._activePane.close();
// Finally, just close the Overview entirely
else
Main.overview.hide();
return true;
} else if (symbol == Clutter.Up) {
if (!this._searchActive)
return true;
// selectUp and selectDown wrap around in their respective displays
// too, but there doesn't seem to be any flickering if we first select
// something in one display, but then unset the selection, and move
// it to the other display, so it's ok to do that.
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
if (section.resultArea.display.hasSelected() && !section.resultArea.display.selectUp()) {
if (this._searchResultsSingleShownSection != section.type) {
// We need to move the selection to the next section above this section that has items,
// wrapping around at the bottom, if necessary.
let newSectionIndex = this._findAnotherSectionWithItems(i, -1);
if (newSectionIndex >= 0) {
this._searchSections[newSectionIndex].resultArea.display.selectLastItem();
section.resultArea.display.unsetSelected();
}
}
break;
}
}
return true;
} else if (symbol == Clutter.Down) {
if (!this._searchActive)
return true;
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
if (section.resultArea.display.hasSelected() && !section.resultArea.display.selectDown()) {
if (this._searchResultsSingleShownSection != section.type) {
// We need to move the selection to the next section below this section that has items,
// wrapping around at the top, if necessary.
let newSectionIndex = this._findAnotherSectionWithItems(i, 1);
if (newSectionIndex >= 0) {
this._searchSections[newSectionIndex].resultArea.display.selectFirstItem();
section.resultArea.display.unsetSelected();
}
}
break;
}
}
return true;
}
return false;
}));
/***** Applications *****/
this._appsSection = new Section(_("APPLICATIONS"));
let appWell = new AppDisplay.AppWell();
this._appsSection.content.add(appWell.actor, { expand: true });
this._moreAppsPane = null;
this._appsSection.header.moreLink.connect('activated', Lang.bind(this, function (link) {
if (this._moreAppsPane == null) {
this._moreAppsPane = new ResultPane(this);
this._moreAppsPane.packResults(APPS);
this._addPane(this._moreAppsPane);
link.setPane(this._moreAppsPane);
}
}));
this.sectionArea.add(this._appsSection.actor);
/***** Places *****/
/* Translators: This is in the sense of locations for documents,
network locations, etc. */
this._placesSection = new Section(_("PLACES"), true);
let placesDisplay = new PlaceDisplay.DashPlaceDisplay();
this._placesSection.content.add(placesDisplay.actor, { expand: true });
this.sectionArea.add(this._placesSection.actor);
/***** Documents *****/
this._docsSection = new Section(_("RECENT DOCUMENTS"));
this._docDisplay = new DocDisplay.DashDocDisplay();
this._docsSection.content.add(this._docDisplay.actor, { expand: true });
this._moreDocsPane = null;
this._docsSection.header.moreLink.connect('activated', Lang.bind(this, function (link) {
if (this._moreDocsPane == null) {
this._moreDocsPane = new ResultPane(this);
this._moreDocsPane.packResults(DOCS);
this._addPane(this._moreDocsPane);
link.setPane(this._moreDocsPane);
}
}));
this._docDisplay.connect('changed', Lang.bind(this, function () {
this._docsSection.header.setMoreLinkVisible(
this._docDisplay.actor.get_children().length > 0);
}));
this._docDisplay.emit('changed');
this.sectionArea.add(this._docsSection.actor, { expand: true });
/***** Search Results *****/
this._searchResultsSection = new Section(_("SEARCH RESULTS"), true);
this._searchResultsSingleShownSection = null;
this._searchResultsSection.header.connect('back-link-activated', Lang.bind(this, function () {
this._showAllSearchSections();
}));
this._searchSections = [
{ type: APPS,
title: _("APPLICATIONS"),
header: null,
resultArea: null
},
{ type: PREFS,
title: _("PREFERENCES"),
header: null,
resultArea: null
},
{ type: DOCS,
title: _("RECENT DOCUMENTS"),
header: null,
resultArea: null
},
{ type: PLACES,
title: _("PLACES"),
header: null,
resultArea: null
}
];
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
section.header = new SearchSectionHeader(section.title,
Lang.bind(this,
function () {
this._showSingleSearchSection(section.type);
}));
this._searchResultsSection.content.add(section.header.actor);
section.resultArea = new ResultArea(section.type, GenericDisplay.GenericDisplayFlags.DISABLE_VSCROLLING);
this._searchResultsSection.content.add(section.resultArea.actor, { expand: true });
createPaneForDetails(this, section.resultArea.display);
}
this.sectionArea.add(this._searchResultsSection.actor, { expand: true });
this._searchResultsSection.actor.hide();
},
_doSearch: function () {
this._searchTimeoutId = 0;
let text = this._searchEntry.getText();
text = text.replace(/^\s+/g, "").replace(/\s+$/g, "");
let selectionSet = false;
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
section.resultArea.display.setSearch(text);
let itemCount = section.resultArea.display.getMatchedItemsCount();
let itemCountText = itemCount + "";
section.header.countText.text = itemCountText;
if (this._searchResultsSingleShownSection == section.type) {
this._searchResultsSection.header.setCountText(itemCountText);
if (itemCount == 0) {
section.resultArea.actor.hide();
} else {
section.resultArea.actor.show();
}
} else if (this._searchResultsSingleShownSection == null) {
// Don't show the section if it has no results
if (itemCount == 0) {
section.header.actor.hide();
section.resultArea.actor.hide();
} else {
section.header.actor.show();
section.resultArea.actor.show();
}
}
// Refresh the selection when a new search is applied.
section.resultArea.display.unsetSelected();
if (!selectionSet && section.resultArea.display.hasItems() &&
(this._searchResultsSingleShownSection == null || this._searchResultsSingleShownSection == section.type)) {
section.resultArea.display.selectFirstItem();
selectionSet = true;
}
}
// Here work around a bug that I never quite tracked down
// the root cause of; it appeared that the search results
// section was getting a 0 height allocation.
this._searchResultsSection.content.queue_relayout();
return false;
},
show: function() {
global.stage.set_key_focus(this._searchEntry.entry);
},
hide: function() {
this._firstSelectAfterOverlayShow = true;
this._searchEntry.reset();
if (this._activePane != null)
this._activePane.close();
},
closePanes: function () {
if (this._activePane != null)
this._activePane.close();
},
_addPane: function(pane) {
pane.connect('open-state-changed', Lang.bind(this, function (pane, isOpen) {
if (isOpen) {
if (pane != this._activePane && this._activePane != null) {
this._activePane.close();
}
this._activePane = pane;
} else if (pane == this._activePane) {
this._activePane = null;
}
}));
Main.overview.addPane(pane);
},
_updateDashActors: function() {
if (this._searchPending) {
this._searchResultsSection.actor.show();
// We initially hide all sections when we start a search. When the search timeout
// first runs, the sections that have matching results are shown. As the search
// is refined, only the sections that have matching results will be shown.
for (let i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
section.header.actor.hide();
section.resultArea.actor.hide();
}
this._appsSection.actor.hide();
this._placesSection.actor.hide();
this._docsSection.actor.hide();
} else if (!this._searchActive) {
this._showAllSearchSections();
this._searchResultsSection.actor.hide();
this._appsSection.actor.show();
this._placesSection.actor.show();
this._docsSection.actor.show();
}
},
_showSingleSearchSection: function(type) {
// We currently don't allow going from showing one section to showing another section.
if (this._searchResultsSingleShownSection != null) {
throw new Error("We were already showing a single search section: '" + this._searchResultsSingleShownSection
+ "' when _showSingleSearchSection() was called for '" + type + "'");
}
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
if (section.type == type) {
// This will be the only section shown.
section.resultArea.display.selectFirstItem();
let itemCount = section.resultArea.display.getMatchedItemsCount();
let itemCountText = itemCount + "";
section.header.actor.hide();
this._searchResultsSection.header.setTitle(section.title);
this._searchResultsSection.header.setBackLinkVisible(true);
this._searchResultsSection.header.setCountText(itemCountText);
} else {
// We need to hide this section.
section.header.actor.hide();
section.resultArea.actor.hide();
section.resultArea.display.unsetSelected();
}
}
this._searchResultsSingleShownSection = type;
},
_showAllSearchSections: function() {
if (this._searchResultsSingleShownSection != null) {
let selectionSet = false;
for (var i = 0; i < this._searchSections.length; i++) {
let section = this._searchSections[i];
if (section.type == this._searchResultsSingleShownSection) {
// This will no longer be the only section shown.
let itemCount = section.resultArea.display.getMatchedItemsCount();
if (itemCount != 0) {
section.header.actor.show();
section.resultArea.display.selectFirstItem();
selectionSet = true;
}
this._searchResultsSection.header.setTitle(_("SEARCH RESULTS"));
this._searchResultsSection.header.setBackLinkVisible(false);
this._searchResultsSection.header.setCountText("");
} else {
// We need to restore this section.
let itemCount = section.resultArea.display.getMatchedItemsCount();
if (itemCount != 0) {
section.header.actor.show();
section.resultArea.actor.show();
// This ensures that some other section will have the selection if the
// single section that was being displayed did not have any items.
if (!selectionSet) {
section.resultArea.display.selectFirstItem();
selectionSet = true;
}
}
}
}
this._searchResultsSingleShownSection = null;
}
},
_findAnotherSectionWithItems: function(index, increment) {
let pos = _getIndexWrapped(index, increment, this._searchSections.length);
while (pos != index) {
if (this._searchSections[pos].resultArea.display.hasItems())
return pos;
pos = _getIndexWrapped(pos, increment, this._searchSections.length);
}
return -1;
}
};
Signals.addSignalMethods(Dash.prototype);