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/*
* Copyright 2010 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* 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 along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#include "Nux.h"
#include "HLayout.h"
#include "RadioButton.h"
#include "StaticText.h"
#include "RadioButtonGroup.h"
namespace nux
{
NUX_IMPLEMENT_OBJECT_TYPE(RadioButton);
RadioButton::RadioButton (const std::string &str, bool state, NUX_FILE_LINE_DECL)
: AbstractButton(NUX_FILE_LINE_PARAM)
{
label_ = str;
active_ = state;
hlayout_ = 0;
block_changed_signal_ = false;
radio_group_index_ = -1;
static_text_ = new StaticText(label_, NUX_TRACKER_LOCATION);
static_text_->SetTextColor(label_color_);
hlayout_ = new HLayout(NUX_TRACKER_LOCATION);
check_area_ = new InputArea(NUX_TRACKER_LOCATION);
check_area_->SetSensitive(false);
static_text_->SetSensitive(false);
// Set Geometry
check_area_->SetMinimumSize(14, 14);
check_area_->SetMaximumSize(14, 14);
hlayout_->SetHorizontalInternalMargin (4);
hlayout_->SetContentDistribution(MAJOR_POSITION_CENTER);
hlayout_->AddView(check_area_, 0, MINOR_POSITION_CENTER, MINOR_SIZE_MATCHCONTENT);
hlayout_->AddView(static_text_, 1, MINOR_POSITION_CENTER, MINOR_SIZE_MATCHCONTENT);
// // This is convenient to make the layout and the RadioButton fit the check area and the caption area.
// // Since the check area is bigger than 4x4, it will force the layout and the RadioButton to grow.
// // This is useful if the RadioButton is put in a vertical layout and it has a stretch factor of 0. Then the width of the RadioButton
// // will be adjusted to fit the minimum width of the check area and the caption area.
// {
// hlayout_->SetMinimumSize (1, 1);
// SetMinimumSize (14, 14);
// ApplyMinWidth();
// ApplyMinHeight();
// }
SetLayout (hlayout_);
}
RadioButton::~RadioButton()
{
if (radio_button_group_.IsValid() && radio_group_index_ != -1)
{
radio_button_group_->DisconnectButton(this);
radio_button_group_.Release();
}
}
void RadioButton::SetLabel(const std::string &checkbox_label)
{
label_ = checkbox_label;
static_text_->SetText(label_);
QueueDraw();
}
std::string RadioButton::GetLabel() const
{
return label_;
}
void RadioButton::Draw (GraphicsEngine &graphics_engine, bool force_draw)
{
Geometry base = GetGeometry();
GetPainter().PaintBackground(graphics_engine, base);
InteractState is;
is.is_on = active_;
if(visual_state_ == VISUAL_STATE_PRESSED)
{
is.is_focus = true;
}
else if(visual_state_ == VISUAL_STATE_PRELIGHT)
{
is.is_prelight = true;
}
else
{
is.is_focus = false;
is.is_prelight = false;
}
GetPainter().PaintRadioButton(graphics_engine, check_area_->GetGeometry(), is, Color(0xff000000));
static_text_->ProcessDraw(graphics_engine, true);
}
void RadioButton::RecvClick(int x, int y, unsigned long button_flags, unsigned long key_flags)
{
if (radio_button_group_.IsValid())
{
block_changed_signal_ = true;
radio_button_group_->NotifyClick (this);
block_changed_signal_ = false;
click.emit(this);
}
else
{
active_ = !active_;
click.emit(this);
}
QueueDraw();
}
void RadioButton::Activate()
{
if (radio_button_group_.IsValid())
{
radio_button_group_->SetActiveButton(this, true);
return;
}
SetStatePrivate(true);
}
void RadioButton::Deactivate()
{
if (radio_button_group_.IsValid())
{
// The RadioButton is part of a group. To deactivate it, activate another radio button in that group.";
return;
}
SetStatePrivate(false);
}
void RadioButton::SetRadioGroupSelector (RadioButtonGroup *RadioSelector)
{
if (radio_button_group_.IsValid() && radio_button_group_.GetPointer() == RadioSelector)
return;
if(radio_button_group_.IsValid())
{
radio_button_group_.Release();
}
if(RadioSelector)
{
radio_button_group_ = ObjectWeakPtr<RadioButtonGroup>(RadioSelector);
}
}
ObjectWeakPtr<RadioButtonGroup> RadioButton::GetRadioGroupSelector()
{
return radio_button_group_;
}
void RadioButton::SetStatePrivate(bool state)
{
active_ = state;
QueueDraw();
}
void RadioButton::SetStatePrivate(bool state, bool EmitSignal)
{
active_ = state;
if (EmitSignal && !block_changed_signal_)
{
state_change.emit(this);
}
QueueDraw();
}
}
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