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// This file is part of fityk program. Copyright 2001-2013 Marcin Wojdyr
// Licence: GNU General Public License ver. 2+
#ifndef FITYK_UI_H_
#define FITYK_UI_H_
#include "common.h"
#include "ui_api.h"
namespace fityk {
class BasicContext;
class CommandExecutor;
/// commands, messages and plot refreshing
/// it has callbacks that can be set by user interface
class FITYK_API UserInterface : public UiApi
{
public:
static const int max_cmd = 4096;
struct FITYK_API Cmd
{
std::string cmd;
UiApi::Status status;
Cmd(const std::string& c, UiApi::Status s) : cmd(c), status(s) {}
std::string str() const;
};
UserInterface(BasicContext* ctx, CommandExecutor* ce);
/// Redraw the plot.
void draw_plot(RepaintMode mode, const char* filename=NULL);
void mark_plot_dirty() { dirty_plot_ = true; }
/// Calls the show_message(), logs the message to file if logging is on,
/// handles option on_error=exit.
void output_message(Style style, const std::string& s) const;
/// Send warning
void warn(std::string const &s) const { output_message(kWarning, s); }
/// Send implicitely requested message
void mesg(std::string const &s) const { output_message(kNormal, s); }
/// Excute commands from file, i.e. run a script (.fit).
void exec_fityk_script(const std::string& filename);
void exec_stream(FILE *fp);
void exec_string_as_script(const char* s);
// logs the command and calls execute_line_via_callback()
UiApi::Status exec_and_log(const std::string& c);
// Calls raw_execute_line(), catches exceptions and returns status code.
UiApi::Status execute_line(const std::string& str);
void hint_ui(const std::string& key, const std::string& value)
{ if (hint_ui_callback_) (*hint_ui_callback_)(key, value); }
std::string get_input_from_user(const std::string& prompt) {
return user_input_callback_ ? (*user_input_callback_)(prompt)
: std::string();
}
std::string ui_state_as_script() const
{ return ui_state_callback_ ? (*ui_state_callback_)() : std::string(); }
/// wait doing nothing for given number of seconds (can be fractional).
void wait(float seconds) const;
const std::vector<Cmd>& cmds() const { return cmds_; }
std::string get_history_summary() const;
private:
BasicContext* ctx_;
CommandExecutor* cmd_executor_;
int cmd_count_; //!=cmds_.size() if max_cmd was exceeded
std::vector<Cmd> cmds_;
bool dirty_plot_;
/// show message to user
void show_message(Style style, const std::string& s) const
{ if (show_message_callback_) (*show_message_callback_)(style, s); }
// It can finish the program (eg. if s=="quit").
UiApi::Status execute_line_via_callback(const std::string& s);
DISALLOW_COPY_AND_ASSIGN(UserInterface);
};
} // namespace fityk
#endif
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