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221 lines (196 loc) · 4.5 KB
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/*
* Copyright 2010 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom 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 3 of the License, or
* (at your option) any later version.
*
* OpenXcom 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 OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "TextButton.h"
#include "SDL.h"
#include "Text.h"
#include "../Engine/Font.h"
#include "../Engine/Sound.h"
namespace OpenXcom
{
Sound *TextButton::soundPress = 0;
/**
* Sets up a text button with the specified size and position.
* The text is centered on the button.
* @param width Width in pixels.
* @param height Height in pixels.
* @param x X position in pixels.
* @param y Y position in pixels.
*/
TextButton::TextButton(int width, int height, int x, int y) : InteractiveSurface(width, height, x, y), _color(0), _group(0)
{
_validButton = SDL_BUTTON_LEFT;
_text = new Text(width, height, 0, 0);
_text->setSmall();
_text->setAlign(ALIGN_CENTER);
_text->setVerticalAlign(ALIGN_MIDDLE);
}
/**
* Deletes the contained Text.
*/
TextButton::~TextButton()
{
delete _text;
}
/**
* Changes the color for the button and text.
* @param color Color value.
*/
void TextButton::setColor(Uint8 color)
{
_color = color;
_text->setColor(_color - 3);
draw();
}
/**
* Returns the color for the button and text.
* @return Color value.
*/
Uint8 TextButton::getColor() const
{
return _color;
}
/**
* Changes the various fonts for the text label to use.
* The different fonts need to be passed in advance since the
* text size can change mid-text.
* @param big Pointer to large-size font.
* @param small Pointer to small-size font.
*/
void TextButton::setFonts(Font *big, Font *small)
{
_text->setFonts(big, small);
}
/**
* Changes the text of the button label.
* @param text Text string.
*/
void TextButton::setText(const std::wstring &text)
{
_text->setText(text);
draw();
}
/**
* Returns the text of the button label.
* @return Text string.
*/
std::wstring TextButton::getText() const
{
return _text->getText();
}
/**
* Changes the button group this button belongs to.
* @param group Pointer to the pressed button pointer in the group.
* Null makes it a regular button.
*/
void TextButton::setGroup(TextButton **group)
{
_group = group;
draw();
}
/**
* Replaces a certain amount of colors in the surface's palette.
* @param colors Pointer to the set of colors.
* @param firstcolor Offset of the first color to replace.
* @param ncolors Amount of colors to replace.
*/
void TextButton::setPalette(SDL_Color *colors, int firstcolor, int ncolors)
{
Surface::setPalette(colors, firstcolor, ncolors);
_text->setPalette(colors, firstcolor, ncolors);
}
/**
* Draws the labelled button.
* The colors are inverted if the button is pressed.
*/
void TextButton::draw()
{
SDL_Rect square;
int color = _color - 2;
square.x = 0;
square.y = 0;
square.w = getWidth();
square.h = getHeight();
for (int i = 0; i < 5; i++)
{
drawRect(&square, color);
if (i % 2 == 0)
{
square.x++;
square.y++;
}
square.w--;
square.h--;
switch (i)
{
case 0:
color = _color + 2;
break;
case 1:
color = _color - 1;
break;
case 2:
color = _color + 1;
break;
case 3:
color = _color;
break;
}
}
bool press;
if (_group == 0)
press = _isPressed;
else
press = (*_group == this);
if (press)
{
this->invert(_color);
}
_text->setInvert(press);
_text->draw();
_text->blit(this);
}
/**
* Sets the button as the pressed button if it's part of a group.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextButton::mousePress(Action *action, State *state)
{
if (soundPress != 0)
soundPress->play();
if (_group != 0)
{
TextButton *old = *_group;
*_group = this;
old->draw();
}
InteractiveSurface::mousePress(action, state);
draw();
}
/**
* Sets the button as the released button.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextButton::mouseRelease(Action *action, State *state)
{
InteractiveSurface::mouseRelease(action, state);
draw();
}
}