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/***************************************************************************
* Copyright (C) 2009 by Pere RÃ fols Soler *
* sapista2@gmail.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. *
***************************************************************************/
#include "templatewidget.h"
TemplateWidget::TemplateWidget(main_window *m_ptr,
void (*f_set_ptr) (main_window *myptr, int b_ix, int type, float g, float f, float Q),
void (*f_get_ptr) (main_window *myptr, int band_id, BandParams &m_params))
:b_load("Load Preset"), b_save("Save Preset"), b_remove("Delete Preset"), l_presets("Presets"){
//External functions
external_get_ptr = f_get_ptr;
external_set_ptr = f_set_ptr;
//Inicialment el botto load no fa res
current_preset=-1;
//Inicialitza punter a objecte principal
main_win_ptr = m_ptr;
//Dibuix de la GUI
set(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, 0.0, 0.0);
m_box.pack_start(l_presets);
m_box.pack_start(preset_combo);
m_box.pack_start(b_load);
m_box.pack_start(b_save);
m_box.pack_start(b_remove);
m_box.set_homogeneous(false);
m_box.set_size_request(560,-1);
m_box.set_spacing(2);
add(m_box);
set_padding(2, 2, 2, 2);
show_all_children();
//Aseguremnos de k el directori arrel per desar presets exiseix
redi::ipstream in("echo $HOME");
std::string cmd;
in >> strhomedir;
//std::cout << strhomedir << std::endl;
in.close();
cmd = "mkdir " + strhomedir + "/.RafolsEQ";
system(cmd.c_str());
//load_combo_list() //<--Ho farem en el on_expose de la finestra principal
//Signals
b_load.signal_clicked().connect(sigc::mem_fun(*this, &TemplateWidget::on_load_clicked));
b_save.signal_clicked().connect(sigc::mem_fun(*this, &TemplateWidget::on_save_clicked));
b_remove.signal_clicked().connect(sigc::mem_fun(*this, &TemplateWidget::on_delete_clicked));
preset_combo.signal_changed().connect(sigc::mem_fun(*this, &TemplateWidget::on_combo_move));
}
/*Si el load clika, comprobar k no es pq s'esta introduint text i k realment volem
canviar de preset
en cas afirmatiu carregar el nou preset
*/
void TemplateWidget::on_load_clicked(){
//std::cout<<"Button load cicked"<<std::endl;
if(current_preset != -1){ //diferent de -1 implica k no estem introduint text
std::string cmd = strhomedir + FILE_NAME;
std::fstream ofs(cmd.c_str(), std::ios::in | std::ios::binary);
if(!ofs) std::cerr<<"Error: file can't be open";
else{
ofs.clear();
long desp = current_preset*(int)sizeof(f_filter);
ofs.seekg(desp, std::ios::beg);
ofs.read(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
//cout<<"Row name readed = "<<f_filter.name<<endl;
//Escriure tots els parametres al filtre
for(int i=0; i<10; i++){ //10 es el nombre de bandes
external_set_ptr(main_win_ptr, i,
f_filter.fparams[i].type,
f_filter.fparams[i].gain,
f_filter.fparams[i].freq,
f_filter.fparams[i].Q
);
}//fi for
}
ofs.close();
}
}
/*Si clickem el button save hem de fer el seguent:
- Si no s'ha introduit un nom valid (entenent valid com no NUL i no repetit) donar un missatge d'error
- Si el nom es valid, afegir al combo
- generar una linea nova en el fitxer de presets
- Afegir primer el nom del preset introduit en l'entry
- Afegir despres els parametres del filtre segons: Type, Gain, Freq, Q
Tancar el fitxer de text eq_presets.prs
*/
void TemplateWidget::on_save_clicked(){
//std::cout<<"SAVE clicked!"<<std::endl;
Gtk::Entry* entry = preset_combo.get_entry();
if(entry){
//std::string presetname = entry->get_text();
Glib::ustring presetname = entry->get_text();
std::string cmd = strhomedir + FILE_NAME;
if(!presetname.empty()){
std::fstream ofs(cmd.c_str(), std::ios::out | std::ios::app | std::ios::binary);
if(!ofs) std::cerr<<"Error: file can't be open";
else{
ofs.clear();
//gestio del nom del preset
preset_combo.append_text(presetname);
f_filter.name_length = (NAME_LONG-1 > presetname.length()? presetname.length(): NAME_LONG-1);
presetname.copy(f_filter.name,f_filter.name_length,0);
f_filter.name[f_filter.name_length]='\0'; //ultim caracter
//Escriure tots els parametres del filtre
for(int i=0; i<10; i++){ //10 es el nombre de bandes
external_get_ptr(main_win_ptr, i, band_param);
f_filter.fparams[i].type = band_param.type;
f_filter.fparams[i].gain = band_param.gain;
f_filter.fparams[i].freq = band_param.freq;
f_filter.fparams[i].Q = band_param.Q;
}
//Ho escribim al fitxer
ofs.write(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
}//fi else
ofs.close();
}
}
}
/*Si clickem el butto de delete:
- mostrem un misatge de text de si estem segurs de voler vorrar el preset
- Eliminem l'entrada del combo
- Eliminem la linea del fitxer de text eq_presets.prs
*/
void TemplateWidget::on_delete_clicked(){
//std::cout<<"DELETE clicked!"<<std::endl;
int row = preset_combo.get_active_row_number();
long desp;
int ix = 0;
//std::string presetname;
Glib::ustring presetname;
std::string cmd;
//Generem un missatge
Gtk::MessageDialog dialog((Gtk::Window&)(*this->get_toplevel()),"This will delete the selected preset, are you sure?",
false /* use_markup */, Gtk::MESSAGE_QUESTION,
Gtk::BUTTONS_OK_CANCEL);
int result = dialog.run();
if(row != -1 && result == Gtk::RESPONSE_OK){
cmd = strhomedir + FILE_NAME_AUX;
std::fstream ofs(cmd.c_str(), std::ios::out | std::ios::binary);
cmd = strhomedir + FILE_NAME;
std::fstream ifs(cmd.c_str(), std::ios::in | std::ios::binary);
if(!ifs) std::cerr<<"Error: file can't be open";
else{
ifs.clear();
ofs.clear();
desp = (row)*(int)sizeof(f_filter);
ifs.seekg(desp, std::ios::beg);
ifs.read(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
//pasem-ho a una cadena
/*for(int i=0; i<f_filter.name_length; i++){
presetname[i]=f_filter.name[i];
}*/
presetname=f_filter.name;
preset_combo.remove_text(presetname);
while(ix != row){
desp = (ix)*(int)sizeof(f_filter);
ifs.seekg(desp, std::ios::beg);
ifs.read(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
ofs.write(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
ix++;
}
ix = 0;
do{
desp = (row+1+ix)*(int)sizeof(f_filter);
ifs.seekg(desp, std::ios::beg);
ifs.read(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
if(ifs.eof()) break;
ofs.write(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
ix++;
} while(true);
std::string cmd = "mv ";
cmd = cmd + strhomedir + FILE_NAME_AUX + " " + strhomedir + FILE_NAME;
system(cmd.c_str());
Gtk::Entry* entry = preset_combo.get_entry();
entry->set_text("");
}//else
ifs.close();
ofs.close();
}
}
/*Si el combo es mou, carrega el current_preset la fila k correspon del combo
*/
void TemplateWidget::on_combo_move(){
current_preset = preset_combo.get_active_row_number();
}
void TemplateWidget::load_combo_list(){
//std::cout<<"Omplint el combo ..."<<std::endl;
//primer ho borrem tot
preset_combo.clear_items();
//Omplir a partir de fitxer eq_presets.prs
//std::string presetname;
Glib::ustring presetname;
std::string cmd = strhomedir + FILE_NAME;
std::fstream ofs(cmd.c_str(), std::ios::in | std::ios::binary);
if(!ofs) std::cerr<<"Error: file can't be open";
else{
ofs.clear();
do{
ofs.read(reinterpret_cast<char *>(&f_filter),sizeof(f_filter));
if(ofs.eof()) break;
/* //pasem-ho a una cadena
for(int i=0; i<f_filter.name_length; i++){
presetname[i]=f_filter.name[i];
}
presetname[f_filter.name_length]='\0';
*/
presetname=f_filter.name;
preset_combo.append_text(presetname);
}
while(true);
}
ofs.close();
}
TemplateWidget::~TemplateWidget(){
}
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