finalcut/examples/listbox.cpp

187 lines
5.4 KiB
C++

/************************************************************************
* listbox.cpp - Example for using a FListBox widget *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2017 Markus Gans *
* *
* The Final Cut 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 3 of the License, or *
* (at your option) any later version. *
* *
* The Final Cut 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, see <http://www.gnu.org/licenses/>. *
************************************************************************/
#include <iostream>
#include <list>
#include <map>
#include <fstream>
#include <final/final.h>
// Global application object
static FString* temp_str = 0;
// Function prototypes
void doubleToItem (FListBoxItem&, FWidget::data_ptr container, int index);
FString& doubleToString (std::list<double>::const_iterator iter);
FString& mapToString (std::map<FString, FString>::const_iterator iter);
// Lazy conversion import function
void doubleToItem (FListBoxItem& item, FWidget::data_ptr container, int index)
{
typedef std::list<double>* double_list_ptr;
double_list_ptr dbllist = static_cast<double_list_ptr>(container);
std::list<double>::iterator iter = dbllist->begin();
std::advance (iter, index);
item.setText (FString() << *iter);
item.setData (FWidget::data_ptr(&(*iter)));
}
// Import converter functions
FString& doubleToString (std::list<double>::const_iterator iter)
{
return temp_str->setNumber(*iter);
}
FString& mapToString (std::map<FString, FString>::const_iterator iter)
{
return *temp_str = iter->first + ": " + iter->second;
}
//----------------------------------------------------------------------
// class Listbox
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class Listbox : public FDialog
{
public:
// Constructor
explicit Listbox (FWidget* = 0);
// Destructor
~Listbox();
private:
// Disable copy constructor
Listbox (const Listbox&);
// Disable assignment operator (=)
Listbox& operator = (const Listbox&);
// Event handlers
void onClose (FCloseEvent*);
// Data Member
std::list<double>* double_list;
};
#pragma pack(pop)
//----------------------------------------------------------------------
Listbox::Listbox (FWidget* parent)
: FDialog(parent)
, double_list()
{
temp_str = new FString;
// listbox 1
FListBox* list1 = new FListBox (this);
list1->setGeometry(2, 1, 18, 10);
list1->setText ("FListBoxItem");
for (int i = 1; i < 30; i++)
list1->insert (L"----- " + (FString() << i) + L" -----");
// listbox 2
double_list = new std::list<double>;
for (double i = 1; i<=15; i++)
double_list->push_back(2 * i + (i / 100));
FListBox* list2 = new FListBox (this);
list2->setGeometry(21, 1, 10, 10);
list2->setText ("double");
//
// Import via lazy conversion on print
//
list2->insert (double_list, doubleToItem);
//
// Direct import of the complete list
//
//list2->insert (double_list->begin(), double_list->end(), doubleToString);
// listbox 3
std::map<FString, FString> TLD;
TLD["com"] = "Commercial";
TLD["org"] = "Organization";
TLD["net"] = "Network";
TLD["edu"] = "Education";
TLD["gov"] = "Government";
FListBox* list3;
list3 = new FListBox (TLD.begin(), TLD.end(), mapToString, this);
list3->setGeometry(32, 1, 21, 10);
list3->setText ("key: value");
// Quit button
FButton* Quit = new FButton (this);
Quit->setGeometry(42, 12, 10, 1);
Quit->setText (L"&Quit");
// Add quit button function callback
Quit->addCallback
(
"clicked",
F_METHOD_CALLBACK (this, &FApplication::cb_exitApp)
);
}
//----------------------------------------------------------------------
Listbox::~Listbox() // destructor
{
delete temp_str;
delete double_list;
}
//----------------------------------------------------------------------
void Listbox::onClose (FCloseEvent* ev)
{
FApplication::closeConfirmationDialog (this, ev);
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
int main (int argc, char* argv[])
{
// Create the application object
FApplication app(argc, argv);
// Create main dialog object
Listbox d(&app);
d.setText (L"Listbox");
d.setGeometry (int(1 + (app.getWidth() - 56) / 2), 5, 56, 16);
d.setShadow();
// Set dialog d as main widget
app.setMainWidget(&d);
// Show and start the application
d.show();
return app.exec();
}