TGUI/examples/scalable_login_screen/ScalableLoginScreen.cpp
2017-06-29 14:31:29 +02:00

118 lines
4.1 KiB
C++

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2017 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include <TGUI/TGUI.hpp>
#include <iostream>
void login(tgui::EditBox::Ptr username, tgui::EditBox::Ptr password)
{
std::cout << "Username: " << username->getText().toAnsiString() << std::endl;
std::cout << "Password: " << password->getText().toAnsiString() << std::endl;
}
void loadWidgets( tgui::Gui& gui )
{
// Create the background image
// The picture is of type tgui::Picture::Ptr which is actually just a typedef for std::shared_widget<Picture>
// The picture will fit the entire window and will scale with it
auto picture = tgui::Picture::create("../xubuntu_bg_aluminium.jpg");
picture->setSize({"100%", "100%"});
gui.add(picture);
// Create the username edit box
// Similar to the picture, we set a relative position and size
// In case it isn't obvious, the default text is the text that is displayed when the edit box is empty
auto editBoxUsername = tgui::EditBox::create();
editBoxUsername->setSize({"66.67%", "12.5%"});
editBoxUsername->setPosition({"16.67%", "16.67%"});
editBoxUsername->setDefaultText("Username");
gui.add(editBoxUsername);
// Create the password edit box
// We copy the previous edit box here and keep the same size
auto editBoxPassword = tgui::EditBox::copy(editBoxUsername);
editBoxPassword->setPosition({"16.67%", "41.6%"});
editBoxPassword->setPasswordCharacter('*');
editBoxPassword->setDefaultText("Password");
gui.add(editBoxPassword);
// Create the login button
auto button = tgui::Button::create("Login");
button->setSize({"50%", "16.67%"});
button->setPosition({"25%", "70%"});
gui.add(button);
// Call the login function when the button is pressed and pass the edit boxes that we created as parameters
button->connect("pressed", login, editBoxUsername, editBoxPassword);
}
int main()
{
// Create the window
sf::RenderWindow window(sf::VideoMode(400, 300), "TGUI window");
tgui::Gui gui(window);
try
{
loadWidgets(gui);
}
catch (const tgui::Exception& e)
{
std::cerr << "Failed to load TGUI widgets: " << e.what() << std::endl;
return 1;
}
// Main loop
while (window.isOpen())
{
sf::Event event;
while (window.pollEvent(event))
{
// When the window is closed, the application ends
if (event.type == sf::Event::Closed)
window.close();
// When the window is resized, the view is changed
else if (event.type == sf::Event::Resized)
{
window.setView(sf::View(sf::FloatRect(0, 0, (float)event.size.width, (float)event.size.height)));
gui.setView(window.getView());
}
// Pass the event to all the widgets
gui.handleEvent(event);
}
window.clear();
// Draw all created widgets
gui.draw();
window.display();
}
return EXIT_SUCCESS;
}