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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2014 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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/>.
*
* Authored by: Marco Trevisan <marco@ubuntu.com>
*/
#include "SpreadFilter.h"
#include <Nux/HLayout.h>
#include <UnityCore/GLibWrapper.h>
#include "AnimationUtils.h"
#include "ApplicationManager.h"
#include "SearchBar.h"
#include "UnitySettings.h"
#include "WindowManager.h"
#include "RawPixel.h"
namespace unity
{
namespace spread
{
namespace
{
const unsigned FADE_DURATION = 100;
const unsigned DEFAULT_SEARCH_WAIT = 300;
const RawPixel OFFSET_X = 10_em;
const RawPixel OFFSET_Y = 15_em;
const RawPixel WIDTH = 620_em;
// For some reason std::to_lower or boost::to_lower_copy doesn't seem to handle well utf8
std::string casefold_copy(std::string const& str)
{
return glib::String(g_utf8_casefold(str.c_str(), -1)).Str();
}
}
Filter::Filter()
: fade_animator_(FADE_DURATION)
{
auto& wm = WindowManager::Default();
auto& settings = Settings::Instance();
auto const& work_area = wm.GetWorkAreaGeometry(0);
int monitor = wm.MonitorGeometryIn(work_area);
int launcher_width = settings.LauncherWidth(monitor);
auto const& cv = settings.em(monitor);
search_bar_ = SearchBar::Ptr(new SearchBar());
search_bar_->SetMinimumWidth(WIDTH.CP(cv));
search_bar_->SetMaximumWidth(WIDTH.CP(cv));
search_bar_->scale = cv->DPIScale();
search_bar_->live_search_wait = DEFAULT_SEARCH_WAIT;
text.SetGetterFunction([this] { return search_bar_->search_string(); });
text.SetSetterFunction([this] (std::string const& t) { search_bar_->search_string = t; return false; });
debug::Introspectable::AddChild(search_bar_.GetPointer());
auto layout = new nux::HLayout(NUX_TRACKER_LOCATION);
layout->SetVerticalExternalMargin(0);
layout->SetHorizontalExternalMargin(0);
layout->AddView(search_bar_.GetPointer());
view_window_ = new nux::BaseWindow(GetName().c_str());
view_window_->SetLayout(layout);
view_window_->SetBackgroundColor(nux::color::Transparent);
view_window_->SetWindowSizeMatchLayout(true);
view_window_->ShowWindow(true);
view_window_->PushToFront();
view_window_->SetOpacity(0.0f);
view_window_->SetEnterFocusInputArea(search_bar_.GetPointer());
view_window_->SetInputFocus();
view_window_->SetXY(OFFSET_X.CP(cv) + std::max(work_area.x, launcher_width), OFFSET_Y.CP(cv) + work_area.y);
fade_animator_.updated.connect([this] (double opacity) { view_window_->SetOpacity(opacity); });
nux::GetWindowCompositor().SetKeyFocusArea(search_bar_->text_entry());
search_bar_->search_changed.connect([this] (std::string const& search) {
if (!Visible())
animation::StartOrReverse(fade_animator_, animation::Direction::FORWARD);
if (search.empty())
{
UpdateFilteredWindows();
text.changed.emit(search);
animation::StartOrReverse(fade_animator_, animation::Direction::BACKWARD);
}
});
search_bar_->live_search_reached.connect([this] (std::string const& search) {
if (!search.empty())
{
UpdateFilteredWindows();
text.changed.emit(search);
search_bar_->SetSearchFinished();
}
});
}
bool Filter::Visible() const
{
return (view_window_->GetOpacity() != 0.0f);
}
nux::Geometry const& Filter::GetAbsoluteGeometry() const
{
return view_window_->GetGeometry();
}
std::set<uint64_t> const& Filter::FilteredWindows() const
{
return filtered_windows_;
}
void Filter::UpdateFilteredWindows()
{
auto const& lower_search = casefold_copy(text());
filtered_windows_.clear();
if (lower_search.empty())
return;
for (auto const& app : ApplicationManager::Default().GetRunningApplications())
{
if (casefold_copy(app->title()).find(lower_search) != std::string::npos)
{
for (auto const& win : app->GetWindows())
filtered_windows_.insert(win->window_id());
continue;
}
for (auto const& win : app->GetWindows())
{
if (casefold_copy(win->title()).find(lower_search) != std::string::npos)
filtered_windows_.insert(win->window_id());
}
}
}
//
// Introspection
//
std::string Filter::GetName() const
{
return "SpreadFilter";
}
void Filter::AddProperties(debug::IntrospectionData& introspection)
{
introspection
.add(GetAbsoluteGeometry())
.add("visible", Visible());
}
} // namespace spread
} // namespace unity
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