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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 "AbstractCheckedButton.h"
#include "StaticText.h"
namespace nux
{
NUX_IMPLEMENT_OBJECT_TYPE(AbstractCheckedButton);
AbstractCheckedButton::AbstractCheckedButton(const std::string &str, bool state, NUX_FILE_LINE_DECL)
: AbstractButton(NUX_FILE_LINE_PARAM)
{
label_ = str;
active_ = state;
hlayout_ = 0;
static_text_ = new StaticText(label_, NUX_TRACKER_LOCATION);
static_text_->SetTextColor(label_color_);
hlayout_ = new HLayout(NUX_TRACKER_LOCATION);
check_area_ = new BasicView(NUX_TRACKER_LOCATION);
check_area_->SetInputEventSensitivity(false);
static_text_->SetInputEventSensitivity(false);
// Set Geometry
check_area_->SetMinMaxSize(14, 14);
hlayout_->SetSpaceBetweenChildren(4);
hlayout_->SetContentDistribution(MAJOR_POSITION_LEFT);
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 AbstractCheckedButton fit the check area and the caption area.
// // Since the check area is bigger than 4x4, it will force the layout and the AbstractCheckedButton to grow.
// // This is useful if the AbstractCheckedButton is put in a vertical layout and it has a stretch factor of 0. Then the width of the AbstractCheckedButton
// // 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();
// }
hlayout_->SetScaleFactor(0);
SetLayout(hlayout_);
}
AbstractCheckedButton::~AbstractCheckedButton()
{
}
void AbstractCheckedButton::SetLabel(const std::string &checkbox_label)
{
label_ = checkbox_label;
static_text_->SetText(label_);
QueueDraw();
}
std::string AbstractCheckedButton::GetLabel() const
{
return label_;
}
void AbstractCheckedButton::Draw(GraphicsEngine &graphics_engine, bool /* force_draw */)
{
Geometry base = GetGeometry();
graphics_engine.PushClippingRectangle(base);
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().PushPaintLayerStack();
{
GetPainter().PaintCheckBox(graphics_engine, check_area_->GetGeometry(), is, Color(0xff000000));
static_text_->ProcessDraw(graphics_engine, true);
}
GetPainter().PopPaintLayerStack();
graphics_engine.PopClippingRectangle();
}
long AbstractCheckedButton::ComputeContentSize()
{
if (view_layout_)
{
PreLayoutManagement();
int old_width = GetBaseWidth();
int old_height = GetBaseHeight();
// Let the text view be as large as possible.
static_text_->SetMaximumWidth(AREA_MAX_WIDTH);
// Constrain the vertical expansion of the color selector.
view_layout_->SetBaseHeight(1);
long ret = view_layout_->ComputeContentSize();
PostLayoutManagement(ret);
{
// Check if the text view goes out of the AbstractCheckedButton area.
Geometry base = GetGeometry();
Geometry text_geo = static_text_->GetGeometry();
// Intersect the AbstractCheckedButton and the text view
Geometry intersection = base.Intersect(text_geo);
if (intersection != text_geo)
{
// The text view goes outside of the AbstractCheckedButton area. We have to clip it
static_text_->SetMaximumWidth(intersection.width);
// Assign a size of 1 to the layout and call ComputeContentSize.
// Inside the StaticText::ComputeContentSize there is code that takes care of size negociation.
view_layout_->SetBaseWidth(1);
ret = view_layout_->ComputeContentSize();
// Assign the layout geometry to the AbstractCheckedButton view.
PostLayoutManagement(ret);
}
}
int new_width = GetBaseWidth();
int new_height = GetBaseHeight();
long size_compliance = 0;
// The layout has been resized to tightly pack its content
if (new_width > old_width)
{
size_compliance |= eLargerWidth; // need scrollbar
}
else if (new_width < old_width)
{
size_compliance |= eSmallerWidth;
}
else
{
size_compliance |= eCompliantWidth;
}
// The layout has been resized to tightly pack its content
if (new_height > old_height)
{
size_compliance |= eLargerHeight; // need scrollbar
}
else if (new_height < old_height)
{
size_compliance |= eSmallerHeight;
}
else
{
size_compliance |= eCompliantHeight;
}
return size_compliance;
}
else
{
PreLayoutManagement();
int ret = PostLayoutManagement(eCompliantHeight | eCompliantWidth);
return ret;
}
return 0;
}
void AbstractCheckedButton::SetLabelFontSize(int point)
{
AbstractButton::SetLabelFontSize(point);
if (static_text_ == NULL)
return;
static_text_->SetTextPointSize(point);
ComputeContentSize();
QueueDraw();
}
}
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