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/*
This file is part of Warzone 2100.
Copyright (C) 2020 Warzone 2100 Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 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 Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/** @file
* Functions for the bar graph widget
*/
#include "checkbox.h"
#include "lib/ivis_opengl/pieblitfunc.h"
#include "lib/ivis_opengl/piepalette.h"
WzCheckboxButton::WzCheckboxButton()
: W_BUTTON()
{
addOnClickHandler([](W_BUTTON& button) {
WzCheckboxButton& self = static_cast<WzCheckboxButton&>(button);
self.isChecked = !self.isChecked;
});
}
Vector2i WzCheckboxButton::calculateDesiredDimensions()
{
int cbSize = checkboxSize();
Vector2i checkboxPos{x(), y()};
int textLeftPos = checkboxPos.x + cbSize + 7;
// TODO: Incorporate padding?
return Vector2i(textLeftPos + wzText.width(), std::max(wzText.lineSize(), cbSize));
}
void WzCheckboxButton::display(int xOffset, int yOffset)
{
wzText.setText(pText, FontID);
int x0 = xOffset + x();
int y0 = yOffset + y();
bool down = (getState() & (WBUT_DOWN | WBUT_LOCK | WBUT_CLICKLOCK)) != 0;
bool grey = (getState() & WBUT_DISABLE) != 0;
// calculate checkbox dimensions
int cbSize = checkboxSize();
Vector2i checkboxOffset{0, (height() - cbSize) / 2}; // left-align, center vertically
Vector2i checkboxPos{x0 + checkboxOffset.x, y0 + checkboxOffset.y};
// draw checkbox border
PIELIGHT notifyBoxAddColor = WZCOL_NOTIFICATION_BOX;
notifyBoxAddColor.byte.a = uint8_t(float(notifyBoxAddColor.byte.a) * 0.7f);
pie_UniTransBoxFill(checkboxPos.x, checkboxPos.y, checkboxPos.x + cbSize, checkboxPos.y + cbSize, notifyBoxAddColor);
iV_Box2(checkboxPos.x, checkboxPos.y, checkboxPos.x + cbSize, checkboxPos.y + cbSize, WZCOL_TEXT_MEDIUM, WZCOL_TEXT_MEDIUM);
if (down || isChecked)
{
// draw checkbox "checked" inside
#define CB_INNER_INSET 2
PIELIGHT checkBoxInsideColor = WZCOL_TEXT_MEDIUM;
checkBoxInsideColor.byte.a = 200;
pie_UniTransBoxFill(checkboxPos.x + CB_INNER_INSET, checkboxPos.y + CB_INNER_INSET, checkboxPos.x + cbSize - (CB_INNER_INSET), checkboxPos.y + cbSize - (CB_INNER_INSET), checkBoxInsideColor);
}
// Display text to the right of the checkbox image
int textLeftPos = checkboxPos.x + cbSize + 7;
int fx = textLeftPos;
int fw = wzText.width();
int fy = yOffset + y() + (height() - wzText.lineSize()) / 2 - wzText.aboveBase();
if (style & WBUT_TXTCENTRE) //check for centering, calculate offset.
{
fx = textLeftPos + ((width() - fw) / 2);
}
wzText.render(fx, fy, textColor);
if (grey)
{
// disabled, render something over it!
iV_TransBoxFill(x0, y0, x0 + width(), y0 + height());
}
}
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