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/*
client/console.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 <iostream>
#include <fstream>
#include <cmath>
#include "auxiliary/functions.h"
#include "audio/audio.h"
#include "core/application.h"
#include "core/core.h"
#include "core/gameinterface.h"
#include "filesystem/filesystem.h"
#include "render/gl.h"
#include "ui/console.h"
#include "ui/definitions.h"
#include "ui/paint.h"
#include "ui/ui.h"
namespace ui
{
const float DEFAULT_CONSOLE_HEIGHT = 0.7f;
const size_t DEFAULT_MAX_HISTO_LINES = 512;
// number of lines to scroll
const size_t SCROLL_LINES = 3;
// the global console buffer object
ConsoleBuffer Console::con_buffer;
/* -- ConsoleBuffer ------------------------------------------------ */
ConsoleBuffer::ConsoleBuffer() : sys::ConsoleInterface()
{
//con_print << "^BInitializing console..." << std::endl;
}
ConsoleBuffer::~ConsoleBuffer()
{
//con_print << "^BShutting down console..." << std::endl;
}
//--- Console -----------------------------------------------------
Console::Console(ui::Widget *parent) : ui::Window(parent)
{
set_visible(false);
set_border(false);
set_background(true);
set_label("console");
history.clear();
history.push_back("");
history_pos = history.rbegin();
std::string version("^F" + core::name() + ' ' + core::version());
console_versionlabel = new Label(this, version.c_str());
console_versionlabel->set_border(false);
console_versionlabel->set_background(false);
console_scrollpane = new ScrollPane(this, con_buffer.log());
console_scrollpane->set_border(false);
console_scrollpane->set_background(false);
console_scrollpane->set_scroll(0);
console_scrollbar = new ScrollBar(this);
console_scrollbar->set_border(false);
console_scrollbar->set_background(false);
console_input = new InputBox(this);
console_input->set_focus();
console_input->set_border(false);
console_input->set_background(false);
console_input->set_prompt("^N>");
load_history();
}
Console::~Console()
{
save_history();
history.clear();
}
void Console::show()
{
ui::Window::show();
raise();
SDL_SetRelativeMouseMode(SDL_FALSE);
console_scrollpane->set_scroll(0);
console_scrollpane->set_offset(3);
history_pos = history.rbegin();
(*history_pos).clear();
console_input->set_text((*history_pos));
console_input->set_focus();
audio::play("ui/console");
}
void Console::hide()
{
ui::Window::hide();
core::Cvar *input_grab = core::Cvar::find("input_grab");
if (input_grab && input_grab->value()) {
SDL_SetRelativeMouseMode(SDL_TRUE);
} else {
SDL_SetRelativeMouseMode(SDL_FALSE);
}
audio::play("ui/console");
}
void Console::toggle()
{
if (visible())
hide();
else
show();
}
bool Console::on_emit(Widget *sender, const Event event, void *data)
{
if (sender == console_scrollbar) {
if (event == ui::Widget::EventScrollBarChanged) {
console_scrollpane->set_scroll( (con_buffer.log().size() - console_scrollbar->value()) );
return true;
}
}
return false;
}
bool Console::on_keypress(const int key, const unsigned int modifier)
{
ui::Text::reverse_iterator upit;
switch (key) {
case SDLK_ESCAPE:
if (visible()) {
hide();
return true;
} else {
return false;
}
break;
case SDLK_TAB:
console_input->complete();
return true;
break;
case SDLK_RETURN:
if (console_input->text().size()) {
// store input in history
while (history.size() >= DEFAULT_MAX_HISTO_LINES) {
history.pop_front();
}
core::cmd() << console_input->text() << std::endl;
con_print << "^B>" << console_input->text() << std::endl;
(*history.rbegin()).assign(console_input->text());
history.push_back("");
history_pos = history.rbegin();
console_input->set_text((*history_pos));
}
return true;
break;
case SDLK_UP:
upit = history_pos;
++upit;
if (upit != history.rend()) {
history_pos = upit;
console_input->set_text((*history_pos));
}
return true;
break;
case SDLK_DOWN:
if (history_pos != history.rbegin()) {
--history_pos;
console_input->set_text((*history_pos));
}
return true;
break;
case SDLK_PAGEUP:
console_scrollpane->inc_scroll(SCROLL_LINES);
return true;
break;
case SDLK_PAGEDOWN:
console_scrollpane->dec_scroll(SCROLL_LINES);
return true;
break;
}
return false;
}
bool Console::on_mousewheel(const math::Vector2f & direction)
{
if (direction.y() > 0 )
{
console_scrollpane->inc_scroll(SCROLL_LINES);
return true;
} else if (direction.y() < 0) {
console_scrollpane->dec_scroll(SCROLL_LINES);
return true;
}
return false;
}
void Console::draw()
{
console_scrollbar->set_range(0, (float) con_buffer.log().size());
console_scrollbar->set_value( (float) (con_buffer.log().size() - console_scrollpane->scroll()));
// disable mouse cursor
if (has_mouse_focus()) {
ui::root()->set_pointer();
}
}
void Console::resize()
{
const float padding = font()->width();
if (core::application()->connected()) {
set_size(parent()->size().width(), parent()->size().height() * DEFAULT_CONSOLE_HEIGHT);
} else {
set_size(parent()->size());
}
// resize scrollbar
console_scrollbar->set_size(
font()->height(),
height()
);
console_scrollbar->set_location(
width() - console_scrollbar->width(),
0.0f
);
// resize version label
console_versionlabel->set_size(
width() - console_scrollbar->width() - padding,
font()->height() * 1.5f
);
console_versionlabel->set_location(
padding,
0.0f
);
// resize input bar
console_input->set_size(
console_versionlabel->width(),
font()->height()
);
console_input->set_location(
console_versionlabel ->left(),
bottom() - console_input->height()
);
// resize scroll pane
console_scrollpane->set_size(
console_versionlabel->width(),
console_input->top() - console_versionlabel->bottom()
);
console_scrollpane->set_location(
console_versionlabel->left(),
console_versionlabel->bottom()
);
}
void Console::save_history()
{
if (history.size() <= 1)
return;
std::string filename(filesystem::writedir());
filename.append("history.txt");
std::ofstream ofs(filename.c_str());
if (!ofs.is_open()) {
con_warn << "Could not write " << filename << std::endl;
return;
}
ui::Text::iterator it;
size_t l = 1;
for (it = history.begin(); it != history.end(); it++) {
if (l < history.size())
ofs << (*it) << std::endl;
l++;
}
ofs.close();
}
void Console::load_history()
{
std::string filename(filesystem::writedir());
filename.append("history.txt");
std::ifstream ifs(filename.c_str(), std::ifstream::in);
if (!ifs.is_open()) {
con_warn << "Could not read " << filename << std::endl;
return;
}
history.clear();
char line[MAXCMDSIZE];
while (ifs.getline(line, MAXCMDSIZE - 1)) {
history.push_back(line);
}
ifs.close();
history.push_back("");
history_pos = history.rbegin();
}
}
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