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/*
ui/inputbox.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "ui/definitions.h"
#include "ui/inputbox.h"
#include "ui/paint.h"
#include "auxiliary/functions.h"
#include "math/functions.h"
#include "core/application.h"
namespace ui
{
InputBox::InputBox(Widget *parent) : Widget(parent)
{
_text.clear();
_pos = 0;
_max = 512;
set_label("input");
set_background(false);
set_border(false);
set_alignment(AlignLeft | AlignTop);
}
InputBox::~InputBox()
{
}
void InputBox::clear()
{
_text.clear();
_pos = 0;
}
void InputBox::set_text(std::string const &text)
{
_text.assign(text);
_pos = _text.size();
}
void InputBox::set_text(const char *text)
{
if (text)
_text.assign(text);
else
_text.clear();
_pos = _text.size();
}
void InputBox::set_prompt(const std::string &prompt)
{
_prompt.assign(prompt);
}
void InputBox::set_prompt(const char *prompt)
{
if (!prompt)
_prompt.clear();
else
_prompt.assign(prompt);
}
void InputBox::set_max(const size_t max)
{
_max = max;
}
void InputBox::set_alignment(const unsigned int alignment)
{
_alignment = alignment;
}
void InputBox::draw()
{
size_t text_width = (size_t) floorf(width() / font()->width());
size_t prompt_width = aux::text_length(_prompt);
math::Vector2f v(global_location());
Paint::set_color(palette()->text());
// Horizontal alignment
// FIXME horizontal alignment is not supported
// Vertical alignment
if (alignment() & ui::AlignVCenter) {
v.get_y() += (height() - font()->height()) * 0.5f;
} else if (alignment() & ui::AlignBottom) {
v.get_y() += height() - font()->height();
}
// draw the prompt
if (prompt_width) {
Paint::draw_text(v, font(), _prompt);
v[0] += prompt_width * font()->width();
}
Paint::set_color(palette()->text());
// draw the part before the cursor
std::string firstpart(_text.substr(0, _pos));
size_t draw_width = 0;
const char *c = firstpart.c_str();
while (*c) {
if (aux::is_color_code(c)) {
c++;
} else {
draw_width++;
}
c++;
}
c = firstpart.c_str();
while (*c && draw_width > text_width - prompt_width - 1) {
if (aux::is_color_code(c)) {
c++;
Paint::set_system_color(*c);
} else {
draw_width--;
}
c++;
}
if (*c) {
Paint::draw_text(v, font(), std::string(c));
}
// draw the part behind the cursor
v[0] += draw_width * font()->width();
if (_pos < _text.size()) {
if (_pos > 1 && aux::is_color_code(_text.c_str() + _pos - 1)) {
Paint::set_system_color(_text[_pos]);
}
// limit to width
std::string secondpart;
c = &_text.c_str()[_pos];
while (*c && (draw_width <= (text_width - prompt_width - 1))) {
if (aux::is_color_code(c)) {
c++;
} else {
draw_width++;
secondpart += *c;
}
c++;
}
Paint::draw_text(v, font(), secondpart);
}
// draw the cursor
if (has_input_focus() && (core::application()->time() - ::floorf(core::application()->time())) < 0.5f) {
std::string cursor("^B");
cursor += (char) 11;
Paint::draw_text(v, font(), cursor);
}
// reset color
Paint::set_color(palette()->foreground());
}
void InputBox::complete()
{
core::CommandBuffer::complete(_text, _pos);
}
bool InputBox::on_keypress(const int key, const unsigned int modifier)
{
switch (key) {
case SDLK_HOME:
_pos = 0;
return true;
break;
case SDLK_END:
_pos = _text.size();
return true;
break;
case SDLK_LEFT:
if (_pos > 0)
_pos--;
return true;
break;
case SDLK_RIGHT:
if (_pos < _text.size())
_pos++;
return true;
break;
case SDLK_DELETE:
if (_text.size() && _pos < _text.size()) {
_text.erase(_pos, 1);
}
return true;
break;
case SDLK_BACKSPACE:
if (_text.size() && _pos) {
_text.erase(_pos - 1, 1);
_pos--;
}
return true;
break;
default:
if ((key >= 32) && (key < 175)) {
if (_text.size() < _max) {
// TODO bell sound
if (_pos == _text.size())
_text += (char)key;
else
_text.insert(_pos, 1, (char)key);
_pos++;
}
return true;
}
break;
}
return false;
}
bool InputBox::on_keyrelease(const int key, const unsigned int modifier)
{
return false;
}
bool InputBox::on_mousepress(const unsigned int button)
{
if (button == SDL_BUTTON_LEFT)
{
set_focus();
return true;
}
return false;
}
}
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