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/*
client/chat.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "core/core.h"
#include "client/chat.h"
#include "client/console.h"
#include "client/keyboard.h"
#include "render/render.h"
namespace client {
namespace chat {
// input history
std::deque<std::string> history;
std::deque<std::string>::reverse_iterator history_pos;
size_t input_pos = 0;
// chatbox visibility
bool chat_visible = false;
//--- engine functions --------------------------------------------
void func_con_chat(std::string const &args)
{
std::istringstream argstream(args);
int i;
if (argstream >> i) {
if (i) chat_visible = true; else chat_visible = false;
} else
chat_visible = !chat_visible;
}
//--- public ------------------------------------------------------
void init()
{
// add engine functions
core::Func::add("con_chat", (core::FuncPtr) func_con_chat);
history.clear();
history.push_back("");
history_pos = history.rbegin();
input_pos = 0;
}
void shutdown()
{
// remove engine functions
//core::Func::remove("con_chat");
history.clear();
input_pos = 0;
}
bool visible()
{
return chat_visible;
}
void draw()
{
using namespace render;
if (console::visible() || !visible())
return;
// draw the console input
gl::color(1.0f, 1.0f, 1.0f, 1.0f);
draw_text(CHARWIDTH , 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), "say");
gl::color(0.0f, 1.0f, .0f, 1.0f);
draw_text(CHARWIDTH*4 , 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), ":");
gl::color(1.0f, 1.0f, 1.0f, 1.0f);
draw_text(CHARWIDTH*6, 4 + CHARHEIGHT * (MAXNOTIFYLINES+1), (*history_pos));
// draw cursor
if ((core::application()->time() - ::floorf(core::application()->time())) < 0.5f) {
std::string cursor("_");
draw_text(CHARWIDTH*(input_pos+6), 4 + CHARHEIGHT * (MAXNOTIFYLINES+1) , cursor);
}
}
void toggle()
{
chat_visible = !chat_visible;
if (chat_visible) {
input_pos = 0;
history_pos = history.rbegin();
(*history_pos).clear();
}
setkeyboardmode(chat_visible);
}
void keypressed(int key)
{
std::deque<std::string>::reverse_iterator upit;
switch( key ) {
case SDLK_TAB:
core::CommandBuffer::complete( (*history_pos), input_pos);
break;
case SDLK_RETURN:
if ((*history_pos).size()) {
// store input into history
while (history.size() >= MAXHISTOLINES) {
history.pop_front();
}
core::cmd() << "say " << (*history_pos) << std::endl;
(*history.rbegin()) = (*history_pos);
history.push_back("");
history_pos = history.rbegin();
input_pos = 0;
}
toggle();
break;
case SDLK_UP:
upit = history_pos;
++upit;
if (upit != history.rend()) {
history_pos = upit;
input_pos = (*history_pos).size();
}
break;
case SDLK_DOWN:
if (history_pos != history.rbegin()) {
--history_pos;
input_pos = (*history_pos).size();
}
break;
case SDLK_HOME:
input_pos = 0;
break;
case SDLK_END:
input_pos = (*history_pos).size();
break;
case SDLK_LEFT:
if (input_pos > 0)
input_pos--;
break;
case SDLK_RIGHT:
if (input_pos < (*history_pos).size())
input_pos++;
break;
case SDLK_BACKSPACE:
if ((*history_pos).size() && input_pos) {
(*history_pos).erase(input_pos-1, 1);
input_pos--;
}
break;
default:
if ((key >= 32 ) && (key <175)) {
if (input_pos == (*history_pos).size())
(*history_pos) += (char)key;
else
(*history_pos).insert(input_pos, 1, (char)key);
input_pos++;
}
break;
}
}
}
}
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