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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/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)
{
input_text.clear();
input_pos = 0;
input_max = 512;
set_label("input");
set_background(false);
set_border(false);
}
InputBox::~InputBox()
{
}
void InputBox::clear()
{
input_text.clear();
input_pos = 0;
}
void InputBox::set_text(std::string const &text)
{
input_text.assign(text);
input_pos = input_text.size();
}
void InputBox::set_text(const char *text)
{
if (text)
input_text.assign(text);
else
input_text.clear();
input_pos = input_text.size();
}
void InputBox::set_prompt(const std::string &prompt)
{
input_prompt.assign(prompt);
}
void InputBox::set_prompt(const char *prompt)
{
if (!prompt)
input_prompt.clear();
else
input_prompt.assign(prompt);
}
void InputBox::set_max(const size_t max)
{
input_max = max;
}
void InputBox::draw()
{
size_t text_width = (size_t) floorf(width() / font()->width());
size_t prompt_width = aux::text_length(input_prompt);
math::Vector2f v(global_location());
paint::color(palette()->text());
// draw the prompt
if (prompt_width) {
paint::text(v, size(), font(), input_prompt);
v.x += prompt_width * font()->width();
}
paint::color(palette()->text());
// draw the part before the cursor
std::string firstpart(input_text.substr(0, input_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::color_code(*c);
} else {
draw_width--;
}
c++;
}
if (*c) {
paint::text(v, size(), font(), std::string(c));
}
// draw the part behind the cursor
v.x += draw_width * font()->width();
if (input_pos < input_text.size()) {
if (input_pos > 1 && aux::is_color_code(input_text.c_str() + input_pos -1)) {
paint::color_code(input_text[input_pos]);
}
// limit to width
std::string secondpart;
c = &input_text.c_str()[input_pos];
while (*c && (draw_width <= (text_width - prompt_width - 1))) {
if (aux::is_color_code(c)) {
c++;
} else {
draw_width++;
secondpart += *c;
}
c++;
}
paint::text(v, size(), 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::text(v, size(), font(), cursor);
}
// reset color
paint::color(palette()->foreground());
}
bool InputBox::on_keypress(const int key, const unsigned int modifier)
{
switch (key) {
case SDLK_TAB:
// FIXME should not be here
core::CommandBuffer::complete(input_text, input_pos);
return true;
break;
case SDLK_HOME:
input_pos = 0;
return true;
break;
case SDLK_END:
input_pos = input_text.size();
return true;
break;
case SDLK_LEFT:
if (input_pos > 0)
input_pos--;
return true;
break;
case SDLK_RIGHT:
if (input_pos < input_text.size())
input_pos++;
return true;
break;
case SDLK_DELETE:
if (input_text.size() && input_pos < input_text.size()) {
input_text.erase(input_pos, 1);
}
return true;
break;
case SDLK_BACKSPACE:
if (input_text.size() && input_pos) {
input_text.erase(input_pos-1, 1);
input_pos--;
}
return true;
break;
default:
if ((key >= 32) && (key <175)) {
if (input_text.size() < input_max) {
// TODO bell sound
if (input_pos == input_text.size())
input_text += (char)key;
else
input_text.insert(input_pos, 1, (char)key);
input_pos++;
}
return true;
}
break;
}
return false;
}
bool InputBox::on_keyrelease(const int key, const unsigned int modifier)
{
return false;
}
}
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