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// K-3D
// Copyright (c) 1995-2010, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program 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 2 of the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Tim Shead (tshead@k-3d.com)
*/
#include <k3d-i18n-config.h>
#include <k3dsdk/application_plugin_factory.h>
#include <k3dsdk/idocument_sink.h>
#include <k3dsdk/iscript_engine.h>
#include <k3dsdk/log.h>
#include <k3dsdk/module.h>
#include <k3dsdk/ngui/application_window.h>
#include <k3dsdk/ngui/console.h>
#include <k3dsdk/plugin.h>
#include <k3dsdk/result.h>
#include <gtkmm/texttag.h>
#include <gdk/gdkkeysyms.h>
#include <boost/algorithm/string.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/scoped_ptr.hpp>
#include <sstream>
namespace module
{
namespace ngui
{
namespace python_shell
{
namespace detail
{
/// Extracts the command's base, before completion
const k3d::string_t base(const k3d::string_t Command)
{
const k3d::uint_t last_separator = Command.find_last_of(".= ");
if(last_separator != k3d::string_t::npos)
{
return Command.substr(0, last_separator + 1);
}
return "";
}
} // namespace detail
/////////////////////////////////////////////////////////////////////////////
// dialog
/// Provides an interactive Python shell dialog
class dialog :
public k3d::ngui::application_window,
public k3d::idocument_sink
{
typedef k3d::ngui::application_window base;
public:
dialog() :
engine(k3d::plugin::create<k3d::iscript_engine>("Python")),
stdout_slot(sigc::mem_fun(*this, &dialog::print_stdout)),
stderr_slot(sigc::mem_fun(*this, &dialog::print_stderr)),
console(Gtk::manage(new k3d::ngui::console::control())),
document(0)
{
prompt_tag = Gtk::TextTag::create("prompt");
prompt_tag->property_foreground() = "#888888";
prompt_tag->property_family() = "monospace";
stdout_tag = Gtk::TextTag::create("stdout");
stdout_tag->property_foreground() = "#0000ff";
stderr_tag = Gtk::TextTag::create("stderr");
stderr_tag->property_foreground() = "#ff0000";
completion_tag = Gtk::TextTag::create("completion");
completion_tag->property_foreground() = "#00ff00";
set_title(_("K-3D Python Shell"));
set_role("python_shell_window");
set_border_width(0);
resize(800, 400);
set_position(Gtk::WIN_POS_CENTER);
add(*console);
console->connect_command_signal(sigc::mem_fun(*this, &dialog::on_command));
console->connect_complete_key_pressed_signal(sigc::mem_fun(*this, &dialog::on_complete_key_pressed));
console->set_completion_key(GDK_Tab);
show_all();
return_if_fail(engine);
k3d::iscript_engine::context context;
engine->execute(get_factory().name(), "import code\n", context);
engine->execute(get_factory().name(), "__console = code.InteractiveConsole(locals())\n", context);
engine->execute(get_factory().name(), "def quit():\n global context\n context.__close = True\n", context);
engine->execute(get_factory().name(), "def exit():\n global context\n context.__close = True\n", context);
engine->execute(get_factory().name(), "def help(target=None):\n if target:\n __builtins__.help(target)\n else:\n sys.stderr.write(\"Python online help isn't available in the K-3D Python Shell.\\n\")\n", context);
engine->execute(get_factory().name(), "import sys\n", context);
engine->execute(get_factory().name(), "print \"Python \" + sys.version + \" on \" + sys.platform", context, &stdout_slot, &stderr_slot);
engine->execute(get_factory().name(), "import k3d\n", context);
print_prompt(">>> ");
}
void set_document(k3d::idocument* Document)
{
document = Document;
if(document)
{
k3d::iscript_engine::context context;
context["document"] = document;
engine->execute(get_factory().name(), "", context);
}
}
void on_command(const k3d::string_t& Command)
{
return_if_fail(engine);
k3d::string_t command(Command);
boost::replace_all(command, "\\", "\\\\");
boost::replace_all(command, "\"", "\\\"");
std::ostringstream console_command;
console_command << "context.__incomplete = __console.push(\"\"\"" << command << "\"\"\")";
k3d::iscript_engine::context context;
context["__incomplete"] = false;
context["__close"] = false;
engine->execute(get_factory().name(), console_command.str(), context, &stdout_slot, &stderr_slot);
if(boost::any_cast<k3d::bool_t>(context["__close"]))
{
close();
return;
}
print_prompt(boost::any_cast<k3d::bool_t>(context["__incomplete"]) ? "... " : ">>> ");
}
void on_complete_key_pressed(const k3d::string_t& Command)
{
const k3d::iscript_engine::completions_t completions = engine->complete(Command);
k3d::string_t completions_string(completions.size() ? "\n" : "");
for(k3d::uint_t i = 0; i != completions.size(); ++i)
completions_string += " " + completions[i];
print_completion(completions_string + "\n");
print_prompt(">>> ");
console->set_current_format(no_tag);
k3d::string_t completed = Command;
if(completions.size() == 1)
{
completed = detail::base(Command) + completions[0];
}
console->print_string(completed, true);
}
void print_prompt(const k3d::string_t& Output)
{
console->set_current_format(prompt_tag);
console->prompt_string(Output);
}
void print_stdout(const k3d::string_t& Output)
{
console->set_current_format(stdout_tag);
console->print_string(Output);
}
void print_stderr(const k3d::string_t& Output)
{
console->set_current_format(stderr_tag);
console->print_string(Output);
}
void print_completion(const k3d::string_t& Output)
{
console->set_current_format(completion_tag);
console->print_string(Output);
}
boost::scoped_ptr<k3d::iscript_engine> engine;
k3d::iscript_engine::output_t stdout_slot;
k3d::iscript_engine::output_t stderr_slot;
k3d::ngui::console::control* const console;
Glib::RefPtr<Gtk::TextTag> prompt_tag;
Glib::RefPtr<Gtk::TextTag> stdout_tag;
Glib::RefPtr<Gtk::TextTag> stderr_tag;
Glib::RefPtr<Gtk::TextTag> completion_tag;
Glib::RefPtr<Gtk::TextTag> no_tag;
k3d::idocument* document;
static k3d::iplugin_factory& get_factory()
{
static k3d::application_plugin_factory<dialog> factory(
k3d::uuid(0x0a0be598, 0x944d5b43, 0xfad02490, 0x854433fa),
"NGUIPythonShellDialog",
_("Provides an interactive Python shell window"),
"NGUI Dialog",
k3d::iplugin_factory::STABLE,
boost::assign::map_list_of("ngui:component-type", "dialog"));
return factory;
}
};
} // namespace python_shell
} // namespace ngui
} // namespace module
K3D_MODULE_START(Registry)
Registry.register_factory(module::ngui::python_shell::dialog::get_factory());
K3D_MODULE_END
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