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/***********************************************************************
* ftooltip.cpp - Widget FToolTip *
* *
* This file is part of the FINAL CUT widget toolkit *
* *
* Copyright 2016-2023 Markus Gans *
* *
* FINAL CUT 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 3 of *
* the License, or (at your option) any later version. *
* *
* FINAL CUT 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
#include "final/fapplication.h"
#include "final/fwidgetcolors.h"
#include "final/widget/ftooltip.h"
namespace finalcut
{
//----------------------------------------------------------------------
// class FToolTip
//----------------------------------------------------------------------
// constructor and destructor
//----------------------------------------------------------------------
FToolTip::FToolTip (FWidget* parent)
: FWindow{parent}
{
init();
}
//----------------------------------------------------------------------
FToolTip::FToolTip (const FString& txt, FWidget* parent)
: FWindow{parent}
, text{txt.trim()}
{
init();
}
//----------------------------------------------------------------------
FToolTip::~FToolTip() // destructor
{
if ( FApplication::isQuit() )
return;
FWindow* parent_win{nullptr};
if ( auto parent = getParentWidget() )
parent_win = getWindowWidget(parent);
if ( parent_win )
setActiveWindow (parent_win);
else
switchToPrevWindow(this);
}
// public methods of FToolTip
//----------------------------------------------------------------------
void FToolTip::setText (const FString& txt)
{
text.setString(text_auto_trim ? txt.trim() : txt);
calculateDimensions();
}
//----------------------------------------------------------------------
void FToolTip::resetColors()
{
const auto& wc = getColorTheme();
setForegroundColor (wc->tooltip_fg);
setBackgroundColor (wc->tooltip_bg);
FWidget::resetColors();
}
//----------------------------------------------------------------------
auto FToolTip::setBorder (bool enable) -> bool
{
setFlags().feature.no_border = ! enable;
calculateDimensions();
return hasBorder();
}
//----------------------------------------------------------------------
void FToolTip::show()
{
if ( ! isVisible() )
return;
FWindow::show();
}
//----------------------------------------------------------------------
void FToolTip::onMouseDown (FMouseEvent*)
{
setClickedWidget(nullptr);
close();
}
// private methods of FToolTip
//----------------------------------------------------------------------
void FToolTip::init()
{
setAlwaysOnTop();
ignorePadding();
// initialize geometry values
FWindow::setGeometry (FPoint{1, 1}, FSize{3, 3}, false);
setMinimumSize (FSize{3, 3});
FToolTip::resetColors();
calculateDimensions();
}
//----------------------------------------------------------------------
void FToolTip::draw()
{
bool border = hasBorder();
int y{border ? 2 : 1};
int x{border ? 3 : 2};
setColor();
clearArea();
if ( border )
drawBorder();
for (const auto& line : text_components)
{
print() << FPoint{x, y} << line;
y++;
}
}
//----------------------------------------------------------------------
void FToolTip::calculateDimensions()
{
max_line_width = 0;
text_components = text.split("\n");
text_num_lines = std::size_t(text_components.size());
if ( text_num_lines == 0 )
return;
for (const auto& line : text_components)
{
std::size_t column_width = getColumnWidth(line);
if ( column_width > max_line_width )
max_line_width = column_width;
}
int x{};
int y{};
bool border = hasBorder();
const std::size_t h = border ? text_num_lines + 2 : text_num_lines;
const std::size_t w = border ? max_line_width + 4 : max_line_width + 2;
const auto& r = getRootWidget();
if ( r )
{
x = 1 + int((r->getWidth() - w) / 2);
y = 1 + int((r->getHeight() - h) / 2);
}
else
x = y = 1;
setGeometry (FPoint{x, y}, FSize{w, h});
}
//----------------------------------------------------------------------
void FToolTip::initLayout()
{
calculateDimensions();
}
//----------------------------------------------------------------------
void FToolTip::adjustSize()
{
FWindow::adjustSize();
}
} // namespace finalcut
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