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Copy pathTextList.cpp
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489 lines (444 loc) · 11.5 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 "TextList.h"
#include <cstdarg>
#include <cmath>
#include "../Engine/Action.h"
#include "../Engine/Font.h"
#include "../Engine/Palette.h"
#include "ArrowButton.h"
namespace OpenXcom
{
/**
* Sets up a blank list with the specified size and position.
* @param width Width in pixels.
* @param height Height in pixels.
* @param x X position in pixels.
* @param y Y position in pixels.
*/
TextList::TextList(int width, int height, int x, int y) : InteractiveSurface(width, height, x, y), _texts(), _columns(), _big(0), _small(0), _scroll(0), _visibleRows(0), _color(0), _align(ALIGN_LEFT), _dot(false), _selectable(false), _selRow(0), _bg(0), _selector(0), _margin(0)
{
_up = new ArrowButton(ARROW_BIG_UP, 13, 14, getX() + getWidth() + 4, getY() + 1);
_up->setVisible(false);
_up->setTextList(this);
_down = new ArrowButton(ARROW_BIG_DOWN, 13, 14, getX() + getWidth() + 4, getY() + getHeight() - 12);
_down->setVisible(false);
_down->setTextList(this);
}
/**
* Deletes all the stuff contained in the list.
*/
TextList::~TextList()
{
for (std::vector< std::vector<Text*> >::iterator u = _texts.begin(); u < _texts.end(); u++) {
for (std::vector<Text*>::iterator v = (*u).begin(); v < (*u).end(); v++) {
delete (*v);
}
}
delete _selector;
delete _up;
delete _down;
}
/**
* Returns a pointer to a certain Text object in the list.
* Useful for customizing or getting values off an individual cell.
* @note If a Text is changed, a redraw needs to be manually requested.
* @param row Row number.
* @param col Column number.
* @return Pointer to the requested Text.
*/
Text *const TextList::getCell(int row, int col) const
{
return _texts[row][col];
}
/**
* Adds a new row of text to the list, automatically creating
* the required Text objects lined up where they need to be.
* @param cols Number of columns.
* @param ... Text for each cell in the new row.
*/
void TextList::addRow(int cols, ...)
{
va_list args;
va_start(args, cols);
std::vector<Text*> temp;
int rowX = 0;
for (int i = 0; i < cols; i++)
{
Text* txt = new Text(_columns[i], _small->getHeight(), _margin + rowX, getY());
txt->setPalette(this->getPalette());
txt->setFonts(_big, _small);
std::wstring buf = va_arg(args, wchar_t*);
// Places dots between text
if (_dot && i < cols - 1)
{
int w = 0;
for (std::wstring::iterator c = buf.begin(); c < buf.end(); c++)
{
if (*c == ' ')
w += _small->getWidth() / 2;
else
w += _small->getChar(*c)->getCrop()->w + _small->getSpacing();
}
while (w < _columns[i])
{
w += _small->getChar('.')->getCrop()->w + _small->getSpacing();
buf += '.';
}
}
txt->setText(buf);
txt->setColor(_color);
txt->setAlign(_align);
txt->setSmall();
temp.push_back(txt);
rowX += _columns[i];
}
_texts.push_back(temp);
draw();
va_end(args);
updateArrows();
}
/**
* Changes the columns that the list contains.
* While rows can be unlimited, columns need to be specified
* since they can have various widths for lining up the text.
* @param cols Number of columns.
* @param ... Width of each column.
*/
void TextList::setColumns(int cols, ...)
{
va_list args;
va_start(args, cols);
for (int i = 0; i < cols; i++)
{
_columns.push_back(va_arg(args, int));
}
va_end(args);
}
/**
* Replaces a certain amount of colors in the palette of all
* the text contained in the list.
* @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 TextList::setPalette(SDL_Color *colors, int firstcolor, int ncolors)
{
Surface::setPalette(colors, firstcolor, ncolors);
for (std::vector< std::vector<Text*> >::iterator u = _texts.begin(); u < _texts.end(); u++)
{
for (std::vector<Text*>::iterator v = u->begin(); v < u->end(); v++)
{
(*v)->setPalette(colors, firstcolor, ncolors);
}
}
if (_selector != 0)
_selector->setPalette(colors, firstcolor, ncolors);
_up->setPalette(colors, firstcolor, ncolors);
_down->setPalette(colors, firstcolor, ncolors);
}
/**
* Changes the various fonts of the text in the list
* and calculates the selector and visible amount of rows.
* @param big Pointer to large-size font.
* @param small Pointer to small-size font.
*/
void TextList::setFonts(Font *big, Font *small)
{
_big = big;
_small = small;
delete _selector;
_selector = new Surface(getWidth(), _small->getHeight() + _small->getSpacing(), getX(), getY());
_selector->setPalette(getPalette());
_selector->setVisible(false);
for (int y = 0; y < getHeight(); y += _small->getHeight() + _small->getSpacing())
_visibleRows++;
}
/**
* Changes the color of the text in the list. This doesn't change
* the color of existing text, just the color of text added from then on.
* @param color Color value.
*/
void TextList::setColor(Uint8 color)
{
_color = color;
}
/**
* Returns the color of the text in the list.
* @return Color value.
*/
Uint8 TextList::getColor() const
{
return _color;
}
/**
* Changes the horizontal alignment of the text in the list. This doesn't change
* the alignment of existing text, just the alignment of text added from then on.
* @param align Horizontal alignment.
*/
void TextList::setAlign(TextHAlign align)
{
_align = align;
}
/**
* If enabled, the text in different columns will be separated by dots.
* Otherwise, it will only be separated by blank space.
* @param dot True for dots, False for spaces.
*/
void TextList::setDot(bool dot)
{
_dot = dot;
}
/**
* If enabled, the list will respond to player input,
* highlighting selected rows and receiving clicks.
* @param selectable Selectable setting.
*/
void TextList::setSelectable(bool selectable)
{
_selectable = selectable;
}
/**
* Returns the currently selected row if the text
* list is selectable.
* @return Selected row.
*/
int TextList::getSelectedRow() const
{
return _selRow;
}
/**
* Changes the surface used to draw the background of the selector.
* @param bg New background.
*/
void TextList::setBackground(Surface *bg)
{
_bg = bg;
}
/**
* Changes the horizontal margin placed around the text.
* @param margin Margin in pixels.
*/
void TextList::setMargin(int margin)
{
_margin = margin;
}
/**
* Changes the color of the arrow buttons in the list.
* @param color Color value.
*/
void TextList::setArrowColor(Uint8 color)
{
_up->setColor(color);
_down->setColor(color);
}
/**
* Removes all the rows currently stored in the list.
*/
void TextList::clearList()
{
for (std::vector< std::vector<Text*> >::iterator u = _texts.begin(); u < _texts.end(); u++)
{
for (std::vector<Text*>::iterator v = u->begin(); v < u->end(); v++)
{
delete (*v);
}
u->clear();
}
_texts.clear();
}
/**
* Scrolls the text in the list up by one row.
*/
void TextList::scrollUp()
{
if (_texts.size() > _visibleRows && _scroll > 0)
{
_scroll--;
draw();
}
updateArrows();
}
/**
* Scrolls the text in the list down by one row.
*/
void TextList::scrollDown()
{
if (_texts.size() > _visibleRows && _scroll < _texts.size() - _visibleRows)
{
_scroll++;
draw();
}
updateArrows();
}
/**
* Updates the visibility of the arrow buttons according to
* the current scroll position.
*/
void TextList::updateArrows()
{
_up->setVisible((_texts.size() > _visibleRows && _scroll > 0));
_down->setVisible((_texts.size() > _visibleRows && _scroll < _texts.size() - _visibleRows));
}
/**
* Draws the text list and all the text contained within.
*/
void TextList::draw()
{
clear();
for (unsigned int i = _scroll; i < _texts.size() && i < _scroll + _visibleRows; i++)
{
for (std::vector<Text*>::iterator j = _texts[i].begin(); j < _texts[i].end(); j++)
{
(*j)->setY((i - _scroll) * (_small->getHeight() + _small->getSpacing()));
(*j)->blit(this);
}
}
}
/**
* Blits the text list and selector.
* @param surface Pointer to surface to blit onto.
*/
void TextList::blit(Surface *surface)
{
if (_visible && !_hidden)
{
_selector->blit(surface);
}
Surface::blit(surface);
if (_visible && !_hidden)
{
_up->blit(surface);
_down->blit(surface);
}
}
/**
* Passes events to arrow buttons.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextList::handle(Action *action, State *state)
{
InteractiveSurface::handle(action, state);
_up->handle(action, state);
_down->handle(action, state);
}
/**
* Passes ticks to arrow buttons.
*/
void TextList::think()
{
InteractiveSurface::think();
_up->think();
_down->think();
}
/**
* Ignores any mouse clicks that aren't on a row with the left mouse button.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextList::mousePress(Action *action, State *state)
{
if (_selectable && action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
if (_selRow < _texts.size())
{
InteractiveSurface::mousePress(action, state);
}
}
else if (action->getDetails()->button.button == SDL_BUTTON_WHEELUP)
{
scrollUp();
}
else if (action->getDetails()->button.button == SDL_BUTTON_WHEELDOWN)
{
scrollDown();
}
}
/*
* Ignores any mouse clicks that aren't on a row with the left mouse button.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextList::mouseRelease(Action *action, State *state)
{
if (_selectable && action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
if (_selRow < _texts.size())
{
InteractiveSurface::mouseRelease(action, state);
}
}
}
/**
* Ignores any mouse clicks that aren't on a row with the left mouse button.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextList::mouseClick(Action *action, State *state)
{
if (_selectable && action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
if (_selRow < _texts.size())
{
InteractiveSurface::mouseClick(action, state);
_selector->setVisible(false);
}
}
}
/**
* Selects the row the mouse is over.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextList::mouseOver(Action *action, State *state)
{
int h = _small->getHeight() + _small->getSpacing();
if (_selectable)
{
double y = action->getDetails()->button.y - getY() * action->getYScale();
_selRow = _scroll + (int)floor(y / (h * action->getYScale()));
if (_selRow < _texts.size())
{
_selector->setY(getY() + (_selRow - _scroll) * h);
_selector->copy(_bg);
_selector->offset(-10, Palette::backPos);
_selector->setVisible(true);
}
else
{
_selector->setVisible(false);
}
}
InteractiveSurface::mouseOver(action, state);
}
/**
* Deselects the row.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void TextList::mouseOut(Action *action, State *state)
{
if (_selectable)
{
_selector->setVisible(false);
}
InteractiveSurface::mouseOut(action, state);
}
}