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// -*- Mode: vala; indent-tabs-mode: nil; tab-width: 4 -*-
//
// Copyright (C) 2011 Giulio Collura
//
// This program 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.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
using Gtk;
using Gdk;
using Gee;
using Cairo;
using Granite.Widgets;
using GMenu;
using Slingshot.Widgets;
using Slingshot.Backend;
namespace Slingshot {
public class SlingshotView : CompositedWindow {
public EventBox wrapper;
public Switcher category_switcher;
public SearchBar searchbar;
public Widgets.Grid grid;
public Layout pages;
public Switcher page_switcher;
private ArrayList<TreeDirectory> categories;
private HashMap<string, ArrayList<App>> apps;
private int current_position = 0;
private CssProvider style_provider;
public SlingshotView () {
set_size_request (700, 580);
read_settings ();
// Window properties
this.title = "Slingshot";
this.skip_pager_hint = true;
this.skip_taskbar_hint = true;
this.set_type_hint (Gdk.WindowTypeHint.NORMAL);
this.set_keep_above (true);
// No time to have slingshot resizable.
this.resizable = false;
this.app_paintable = true;
// Have the window in the right place
this.move (5, 0);
categories = AppSystem.get_categories ();
apps = new HashMap<string, ArrayList<App>> ();
foreach (TreeDirectory cat in categories) {
apps.set (cat.get_name (), AppSystem.get_apps (cat));
}
// Slingshot should have only one CssProvider
style_provider = new CssProvider ();
try {
style_provider.load_from_path (Build.PKGDATADIR + "/style/default.css");
} catch (Error e) {
warning ("Could not add css provider. Some widgets won't look as intended. %s", e.message);
}
setup_ui ();
connect_signals ();
}
private void setup_ui () {
// Create the base container
var container = new VBox (false, 0);
// Add top bar
var top = new HBox (false, 10);
// Category Switcher widget
category_switcher = new Switcher ();
foreach (string cat in apps.keys) {
category_switcher.append (cat);
}
category_switcher.set_active (0);
searchbar = new SearchBar (_("Start typing to search"));
//top.pack_start (category_switcher, true, true, 15);
top.pack_start (searchbar, false, true, 0);
// Get the current size of the view
int width, height;
get_size (out width, out height);
// Make icon grid and populate
grid = new Widgets.Grid (height / 180, width / 128);
// Create the layout which works like pages
pages = new Layout (null, null);
pages.put (grid, 0, 0);
pages.get_style_context ().add_provider (style_provider, 600);
pages.get_style_context ().add_class ("scrollwindow");
// Create the page switcher
page_switcher = new Switcher ();
page_switcher.append ("1");
// This function must be after creating the page switcher
populate_grid ();
container.pack_start (top, false, true, 15);
container.pack_start (Utils.set_padding (pages, 0, 9, 0, 9), true, true, 0);
container.pack_start (page_switcher, false, true, 15);
this.add (Utils.set_padding (container, 15, 15, 1, 15));
}
private void connect_signals () {
this.focus_out_event.connect ( () => {
this.hide_slingshot();
return false;
});
this.draw.connect (this.draw_background);
searchbar.changed.connect (this.search);
page_switcher.active_changed.connect (() => {
if (page_switcher.active > page_switcher.old_active)
this.page_right (page_switcher.active - page_switcher.old_active);
else
this.page_left (page_switcher.old_active - page_switcher.active);
});
// Auto-update settings when changed
Slingshot.settings.changed.connect (read_settings);
}
private bool draw_background (Context cr) {
Allocation size;
get_allocation (out size);
// Some (configurable?) values
double radius = 6.0;
double offset = 2.0;
cr.set_antialias (Antialias.SUBPIXEL);
cr.move_to (0 + radius, 15 + offset);
// Create the little triangle
cr.line_to (20.0, 15.0 + offset);
cr.line_to (35.0, 0.0 + offset);
cr.line_to (50.0, 15.0 + offset);
// Create the rounded square
cr.arc (0 + size.width - radius - offset, 15.0 + radius + offset,
radius, Math.PI * 1.5, Math.PI * 2);
cr.arc (0 + size.width - radius - offset, 0 + size.height - radius - offset,
radius, 0, Math.PI * 0.5);
cr.arc (0 + radius + offset, 0 + size.height - radius - offset,
radius, Math.PI * 0.5, Math.PI);
cr.arc (0 + radius + offset, 15 + radius + offset, radius, Math.PI, Math.PI * 1.5);
cr.set_source_rgba (0.1, 0.1, 0.1, 0.95);
cr.fill_preserve ();
// Paint a little lighter border
cr.set_source_rgba (1.0, 1.0, 1.0, 1.0);
cr.set_line_width (1.0);
cr.stroke ();
return false;
}
public override bool key_press_event (Gdk.EventKey event) {
switch (Gdk.keyval_name (event.keyval)) {
case "Escape":
hide_slingshot ();
return true;
case "Ctrl_L":
case "c":
Gtk.main_quit ();
break;
default:
if (!searchbar.has_focus)
searchbar.grab_focus ();
break;
}
base.key_press_event (event);
return false;
}
public override bool scroll_event (EventScroll event) {
switch (event.direction.to_string ()) {
case "GDK_SCROLL_UP":
case "GDK_SCROLL_LEFT":
page_switcher.set_active (page_switcher.active - 1);
break;
case "GDK_SCROLL_DOWN":
case "GDK_SCROLL_RIGHT":
page_switcher.set_active (page_switcher.active + 1);
break;
}
return false;
}
public void hide_slingshot () {
// Show the first page
page_switcher.set_active (0);
current_position = 0;
hide ();
}
public void show_slingshot () {
deiconify ();
show_all ();
grab_focus ();
}
private void page_left (int step = 1) {
if (current_position < 0) {
pages.move (grid, current_position + 5*130*step, 0);
current_position += 5*130*step;
}
}
private void page_right (int step = 1) {
if ((- current_position) < ((grid.n_columns - 5.8)*130)) {
pages.move (grid, current_position - 5*130*step, 0);
current_position -= 5*130*step;
}
}
private void search () {
message ("Performing searching...");
}
private void populate_grid () {
debug ("Populating grid");
warning ("This function needs to be optimized");
uint r = 0, c = 0; // Row and column
uint max_r = grid.n_rows;
//uint max_c = grid.n_columns;
foreach (ArrayList<App> entries in apps.values) {
foreach (App app in entries) {
if (r == max_r) {
r = 0;
c++;
if ((c % 5) == 0)
page_switcher.append ((c / 5 + 1).to_string ());
}
app.button_release_event.connect (() => {
app.launch ();
hide_slingshot ();
return true;
});
grid.attach (app, c, c + 1, r, r + 1,
AttachOptions.EXPAND, AttachOptions.EXPAND, 0, 0);
r++;
}
}
page_switcher.set_active (0);
}
private void read_settings () {
default_width = Slingshot.settings.width;
default_height = Slingshot.settings.height;
}
}
}
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