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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright 2012 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License version 3 along with this program. If not, see
* <http://www.gnu.org/licenses/>
*
* Authored by: Nick Dedekind <[email protected]>
* Marco Trevisan <[email protected]>
*
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include "PreviewInfoHintWidget.h"
#include "unity-shared/IntrospectableWrappers.h"
#include <Nux/HLayout.h>
#include <Nux/VLayout.h>
#include <unity-shared/StaticCairoText.h>
#include <unity-shared/IconTexture.h>
#include <unity-shared/PreviewStyle.h>
namespace unity
{
namespace dash
{
namespace previews
{
namespace
{
const RawPixel LAYOUT_SPACING = 12_em;
const RawPixel HINTS_SPACING = 6_em;
}
NUX_IMPLEMENT_OBJECT_TYPE(PreviewInfoHintWidget);
PreviewInfoHintWidget::PreviewInfoHintWidget(dash::Preview::Ptr preview_model, int icon_size)
: View(NUX_TRACKER_LOCATION)
, scale(1.0)
, icon_size_(icon_size)
, layout_(nullptr)
, info_names_layout_(nullptr)
, info_values_layout_(nullptr)
, preview_model_(preview_model)
{
SetupViews();
scale.changed.connect(sigc::mem_fun(this, &PreviewInfoHintWidget::UpdateScale));
}
void PreviewInfoHintWidget::Draw(nux::GraphicsEngine& gfx_engine, bool force_draw)
{
}
void PreviewInfoHintWidget::DrawContent(nux::GraphicsEngine& gfx_engine, bool force_draw)
{
nux::Geometry base = GetGeometry();
gfx_engine.PushClippingRectangle(base);
if (GetCompositionLayout())
{
unsigned int alpha, src, dest = 0;
gfx_engine.GetRenderStates().GetBlend(alpha, src, dest);
gfx_engine.GetRenderStates().SetBlend(true, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
GetCompositionLayout()->ProcessDraw(gfx_engine, force_draw);
gfx_engine.GetRenderStates().SetBlend(alpha, src, dest);
}
gfx_engine.PopClippingRectangle();
}
std::string PreviewInfoHintWidget::GetName() const
{
return "PreviewInfoHintWidget";
}
void PreviewInfoHintWidget::AddProperties(debug::IntrospectionData& introspection)
{
introspection
.add(GetAbsoluteGeometry());
}
std::string StringFromVariant(GVariant* variant)
{
std::stringstream ss;
const GVariantType* info_hint_type = g_variant_get_type(variant);
if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_BOOLEAN))
{
ss << g_variant_get_int16(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_INT16))
{
ss << g_variant_get_int16(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_UINT16))
{
ss << g_variant_get_uint16(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_INT32))
{
ss << g_variant_get_int32(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_UINT32))
{
ss << g_variant_get_uint32(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_INT64))
{
ss << g_variant_get_int64(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_UINT64))
{
ss << g_variant_get_uint64(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_DOUBLE))
{
ss << g_variant_get_double(variant);
}
else if (g_variant_type_equal(info_hint_type, G_VARIANT_TYPE_STRING))
{
std::string str = g_variant_get_string(variant, NULL);
ss << str;
}
else
{
ss << "unknown value";
}
return ss.str();
}
void PreviewInfoHintWidget::SetupViews()
{
RemoveLayout();
auto& style = previews::Style::Instance();
auto on_mouse_down = [this](int x, int y, unsigned long button_flags, unsigned long key_flags) { this->preview_container_.OnMouseDown(x, y, button_flags, key_flags); };
layout_ = new nux::HLayout();
layout_->SetSpaceBetweenChildren(LAYOUT_SPACING.CP(scale));
auto *hint_vlayout = new nux::VLayout();
hint_vlayout->SetSpaceBetweenChildren(HINTS_SPACING.CP(scale));
layout_->AddLayout(hint_vlayout);
info_names_layout_ = hint_vlayout;
hint_vlayout = new nux::VLayout();
hint_vlayout->SetSpaceBetweenChildren(HINTS_SPACING.CP(scale));
layout_->AddLayout(hint_vlayout);
info_values_layout_ = hint_vlayout;
for (dash::Preview::InfoHintPtr const& info_hint : preview_model_->GetInfoHints())
{
// The "%s" is used in the dash preview to display the "<hint>: <value>" infos
auto const& name = glib::String(g_strdup_printf (_("%s:"), info_hint->display_name.c_str())).Str();
auto* info_name = new StaticCairoText(name == ":" ? "" : name, true, NUX_TRACKER_LOCATION);
info_name->SetFont(style.info_hint_bold_font());
info_name->SetLines(-1);
info_name->SetScale(scale);
info_name->SetTextAlignment(StaticCairoText::NUX_ALIGN_RIGHT);
info_name->SetMinimumWidth(style.GetInfoHintNameMinimumWidth().CP(scale));
info_name->SetMaximumWidth(style.GetInfoHintNameMaximumWidth().CP(scale));
info_name->mouse_click.connect(on_mouse_down);
info_names_layout_->AddView(info_name, 1, nux::MINOR_POSITION_RIGHT);
auto* info_value = new StaticCairoText(StringFromVariant(info_hint->value), true, NUX_TRACKER_LOCATION);
info_value->SetFont(style.info_hint_font());
info_value->SetLines(-1);
info_value->SetScale(scale);
info_value->mouse_click.connect(on_mouse_down);
info_values_layout_->AddView(info_value, 1, nux::MINOR_POSITION_LEFT);
}
mouse_click.connect(on_mouse_down);
SetLayout(layout_);
}
void PreviewInfoHintWidget::PreLayoutManagement()
{
if (info_names_layout_ && info_values_layout_)
{
nux::Geometry const& geo = GetGeometry();
info_names_layout_->SetMaximumWidth(info_names_layout_->GetContentWidth());
int max_width = std::max(0, geo.width - info_names_layout_->GetWidth() - LAYOUT_SPACING.CP(scale) -1);
for (auto value : info_values_layout_->GetChildren())
value->SetMaximumWidth(max_width);
}
View::PreLayoutManagement();
}
void PreviewInfoHintWidget::UpdateScale(double scale)
{
if (layout_)
layout_->SetSpaceBetweenChildren(LAYOUT_SPACING.CP(scale));
if (info_names_layout_)
{
info_names_layout_->SetSpaceBetweenChildren(HINTS_SPACING.CP(scale));
for (auto* area : info_names_layout_->GetChildren())
static_cast<StaticCairoText*>(area)->SetScale(scale);
}
if (info_values_layout_)
{
info_values_layout_->SetSpaceBetweenChildren(HINTS_SPACING.CP(scale));
for (auto* area : info_values_layout_->GetChildren())
static_cast<StaticCairoText*>(area)->SetScale(scale);
}
QueueRelayout();
QueueDraw();
}
} // namespace previews
} // namespace dash
} // namespace unity
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