tBane Temat założony przez niniejszego użytkownika |
» 2025-06-11 20:05:17 Kiedyś próbowałem Javy i mi nie siadła, wolę stary dobry C++, a wszystko robię pointerami bo da się nullptr przypisać :-) Ok przepisałem ten wektor teraz istnieje tylko w funkcji draw(), ale nie napiszę Convex shape, bo to by skomplikowało kod, a tak jest prosty i czytelny. Dodatkowo napisałem obsługę klawisza delete oraz kopiowanie zaznaczonego tekstu poprzez kombinację klawiszy Ctrl+C i wycinanie tekstu przez Ctrl+X#include <SFML/Graphics.hpp> #include <iostream> #include <vector> #include <cmath>
sf::RenderWindow * window;
sf::Color text_color = sf::Color::White; sf::Color background_color = sf::Color( 48, 48, 48, 255 ); sf::Color selection_color = sf::Color( 3, 55, 161, 255 );
sf::Font font; short characterSize;
std::wstring text; std::vector < sf::Text * > lines;
sf::Vector2i mousePosition; sf::Vector2f worldMousePosition; bool mousePress = false;
sf::RectangleShape cursor; sf::Vector2i cursorPosition = sf::Vector2i( 0, 0 );
sf::Clock timeClock; sf::Time currentTime;
std::vector < sf::Text * > wrap_text( int line_width, std::wstring text ) { std::vector < sf::Text * > wrapped_text; std::wstring line = L""; std::wstring word = L""; for( auto & character: text ) { if( sf::Text( word + character, font, characterSize ).getGlobalBounds().width > line_width ) { if( line != L"" ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } std::wstring l = L""; word = word + character; for( wchar_t & c: word ) { if( sf::Text( l + c, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); l = c; } else l = l + c; } sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); word = L""; } else if( sf::Text( line + word + character, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = word + character; } else if( character == L'\n' ) { if( sf::Text( line + word + L"\n", font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); sf::Text * t2 = new sf::Text( word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t2->setPosition( 0, 0 ) : t2->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t2 ); line = L""; word = L""; } else { sf::Text * t = new sf::Text( line + word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = L""; } } else if( character == L' ' || character == L'\t' ) { if( sf::Text( line + word, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } else { line = line + word + character; } word = L""; } else { word = word + character; } } if( line != L"" || word != L"" ) { sf::Text * t = new sf::Text( line + word, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); } for( auto & line: lines ) line->setFillColor( text_color ); return wrapped_text; }
sf::Vector2i getCursorPosition() { if( worldMousePosition.y >= lines.back()->getGlobalBounds().top ) { for( size_t i = 0; i < lines.back()->getString().toWideString().size(); ++i ) { sf::Vector2f charPos = lines.back()->findCharacterPos( i ); sf::Vector2f nextPos = lines.back()->findCharacterPos( i + 1 ); float charWidth = nextPos.x - charPos.x; if( worldMousePosition.x < charPos.x + charWidth / 2.f ) { return sf::Vector2i( i, lines.size() - 1 ); } } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); } sf::Vector2i cur_pos = sf::Vector2i( 0, 0 ); for( int t = 0; t < lines.size(); t++ ) { for( size_t i = 0; i < lines[ t ]->getString().getSize(); ++i ) { sf::Vector2f charPos = lines[ t ]->findCharacterPos( i ); float nextX = lines[ t ]->findCharacterPos( i + 1 ).x; sf::FloatRect charRect( charPos.x, charPos.y, nextX - charPos.x, font.getLineSpacing( characterSize ) ); if( charRect.contains( worldMousePosition ) ) { if( worldMousePosition.x < charRect.left + charRect.width / 2 ) return sf::Vector2i( i, t ); else return sf::Vector2i( i + 1, t ); } bool isLastChar =( i == lines[ t ]->getString().getSize() - 1 ); if( isLastChar && worldMousePosition.x > charRect.left && worldMousePosition.y >= charRect.top && worldMousePosition.y <= charRect.top + charRect.height ) { return sf::Vector2i( i + 1, t ); } } } return cur_pos; }
int getCursorIndex( sf::Vector2i position ) { int index = 0; for( int i = 0; i < position.y && i < lines.size(); ++i ) { index += lines[ i ]->getString().getSize(); } index += position.x; return index; }
sf::Vector2i getCursorFromIndex( int index ) { if( index <= 0 || lines.empty() ) return sf::Vector2i( 0, 0 ); int current = 0; for( int y = 0; y < lines.size(); ++y ) { int lineSize = lines[ y ]->getString().getSize(); if( index <= current + lineSize ) { return sf::Vector2i( index - current, y ); } current += lineSize; } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); }
void setCursorUp() { if( lines.empty() ) return; if( cursorPosition.y > 0 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y -= 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } } void setCursorDown() { if( lines.empty() ) return; if( cursorPosition.y < lines.size() - 1 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y += 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } }
void setCursorPosition( sf::Vector2i cursor_position ) { cursorPosition = cursor_position; if( cursor_position == sf::Vector2i( 0, 0 ) ) { cursor.setPosition( sf::Vector2f( 0, 0 ) ); return; } std::wstring line = lines[ cursorPosition.y ]->getString().toWideString(); if( line.size() == 0 ) { cursor.setPosition( lines[ cursorPosition.y ]->getPosition() ); return; } if( cursor_position.x < line.size() ) { sf::Vector2f charPos = lines[ cursorPosition.y ]->findCharacterPos( cursor_position.x ); cursor.setPosition( charPos.x, charPos.y ); return; } sf::Vector2f endPos = lines[ cursorPosition.y ]->findCharacterPos( line.size() ); cursor.setPosition( endPos.x, endPos.y ); }
class Selection { public: int start_index = 0; int end_index = 0; void draw() { sf::Vector2i start_position; sf::Vector2i end_position; if( start_index < end_index ) { start_position = getCursorFromIndex( start_index ); end_position = getCursorFromIndex( end_index ); } else { start_position = getCursorFromIndex( end_index ); end_position = getCursorFromIndex( start_index ); } int start_x = std::min( start_position.x, end_position.x ); int end_x = std::max( start_position.x, end_position.x ); int start_y = std::min( start_position.y, end_position.y ); int end_y = std::max( start_position.y, end_position.y ); float rect_start_x =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).x; float rect_end_x = lines[ end_y ]->findCharacterPos( end_x ).x; float rect_start_y =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).y; float rect_end_y = lines[ end_y ]->findCharacterPos( end_x ).y; std::vector < sf::RectangleShape > rects; if( end_y == start_y ) { sf::RectangleShape rect = sf::RectangleShape( sf::Vector2f( rect_end_x - rect_start_x + 1, font.getLineSpacing( characterSize ) ) ); rect.setPosition( rect_start_x, rect_start_y ); rect.setFillColor( selection_color ); rects.push_back( rect ); } else if( end_y - start_y >= 1 ) { sf::RectangleShape top_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x - rect_start_x, font.getLineSpacing( characterSize ) ) ) ); top_rect.setPosition( rect_start_x, rect_start_y ); top_rect.setFillColor( selection_color ); rects.push_back( top_rect ); sf::RectangleShape center_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x,( end_y - start_y - 1 ) * font.getLineSpacing( characterSize ) ) ) ); center_rect.setPosition( 0, rect_start_y + font.getLineSpacing( characterSize ) ); center_rect.setFillColor( selection_color ); rects.push_back( center_rect ); sf::RectangleShape bottom_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( rect_end_x, font.getLineSpacing( characterSize ) ) ) ); bottom_rect.setPosition( 0, rect_end_y ); bottom_rect.setFillColor( selection_color ); rects.push_back( bottom_rect ); } for( auto & rect: rects ) window->draw( rect ); } };
int main() { sf::View view( sf::FloatRect( 0, 0, 480, 640 ) ); window = new sf::RenderWindow( sf::VideoMode( view.getSize().x, view.getSize().y ), "Easy Notepad!", sf::Style::Titlebar | sf::Style::Close ); font.loadFromFile( "C:/Windows/Fonts/arial.ttf" ); characterSize = 17; text = L""; text = L"Tak? O Co chodzi?\n" L"Tak? O Co chodzi?\n" L"Tak? O Co chodzi?\n" L"Tak? O Co chodzi?"; lines = wrap_text( window->getSize().x, text ); cursor = sf::RectangleShape( sf::Vector2f( 2, characterSize ) ); cursor.setFillColor( sf::Color::Red ); sf::Clock clock; Selection * selection = nullptr; while( window->isOpen() ) { mousePosition = sf::Mouse::getPosition( * window ); worldMousePosition = window->mapPixelToCoords( mousePosition ); currentTime = timeClock.getElapsedTime(); sf::Event event; while( window->pollEvent( event ) ) { if( event.type == sf::Event::Closed ) window->close(); if( event.type == sf::Event::Resized ) { sf::View view; view.setSize( static_cast < float >( event.size.width ), static_cast < float >( event.size.height ) ); view.setCenter( view.getSize() / 2.f ); window->setView( view ); } else if( event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Left ) { mousePress = true; sf::Vector2i cur_pos = getCursorPosition(); if( selection != nullptr ) delete selection; selection = new Selection(); selection->start_index = getCursorIndex( cur_pos ); selection->end_index = getCursorIndex( cur_pos ); setCursorPosition( cur_pos ); } else if( event.type == sf::Event::MouseButtonReleased && event.mouseButton.button == sf::Mouse::Left ) { sf::Vector2i cur_pos = getCursorPosition(); setCursorPosition( cur_pos ); mousePress = false; } else if( event.type == sf::Event::MouseMoved ) { if( mousePress ) { sf::Vector2i cur_pos = getCursorPosition(); selection->end_index = getCursorIndex( cur_pos ); setCursorPosition( cur_pos ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::V ) { int index = getCursorIndex( cursorPosition ); std::wstring clip_text = sf::Clipboard::getString().toWideString(); while( clip_text.find( L"\r\n" ) != std::wstring::npos ) { clip_text.erase( clip_text.find( L"\r\n" ), 1 ); }; text.insert( index, clip_text ); index += clip_text.size(); for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::C ) { if( selection && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::X ) { if( selection && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Delete ) { if( !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { int index = getCursorIndex( cursorPosition ); text.erase( index, 1 ); } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); } } else if( event.type == sf::Event::TextEntered ) { int index = getCursorIndex( cursorPosition ); if( event.text.unicode == 8 ) { if( index > 0 && !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { text.erase( index - 1, 1 ); index -= 1; } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); } if( selection != nullptr ) { delete selection; selection = nullptr; } } } else if( event.text.unicode == 13 ) { text.insert( index, 1, L'\n' ); index += 1; } else if( event.text.unicode == 9 ) { text.insert( index, 1, L'\t' ); index += 1; } else { wchar_t character = static_cast < wchar_t >( event.text.unicode ); if( character >= 32 && character != 127 ) { if( selection != nullptr && selection->start_index != selection->end_index ) { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; } text.insert( index, 1, character ); index += 1; } } for( auto & t: lines ) delete t; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed ) { if( event.key.code == sf::Keyboard::Left ) { if( cursorPosition.x > 0 ) { cursorPosition.x -= 1; } else { if( !lines.empty() && cursorPosition.y > 0 ) { cursorPosition.y -= 1; cursorPosition.x = lines[ cursorPosition.y ]->getString().toWideString().size() - 1; } } } else if( event.key.code == sf::Keyboard::Right ) { if( !lines.empty() && cursorPosition.x < lines[ cursorPosition.y ]->getString().toWideString().size() ) { cursorPosition.x += 1; } else { if( cursorPosition.y < lines.size() - 1 ) { cursorPosition.x = 0; cursorPosition.y += 1; } } } else if( event.key.code == sf::Keyboard::Up ) { setCursorUp(); } else if( event.key.code == sf::Keyboard::Down ) { setCursorDown(); } setCursorPosition( cursorPosition ); } } window->clear( background_color ); if( selection ) { selection->draw(); } for( auto & line: lines ) window->draw( * line ); if( std::fmod( currentTime.asSeconds(), 0.6f ) < 0.3f ) window->draw( cursor ); window->display(); } }
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tBane Temat założony przez niniejszego użytkownika |
» 2025-06-11 20:53:19 Mam problem. W trybie Release wywala program gdy kliknie się gdziekolwiek i zacznie wpisywać a w trybie Debug wszystko działa... |
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pekfos |
» 2025-06-11 21:07:12 Debuguj. U mnie działa. Za to jak nacisnę Ctrl+X w czasie zaznaczania to się wywala. Bo jak zawsze można przypisać nullptr, to zawsze też trzeba sprawdzać nullptr. |
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tBane Temat założony przez niniejszego użytkownika |
» 2025-06-11 21:08:25 we wraperze się wywala kod. Nie zdiagnozuję dlaczego.. for( auto & line: lines ) line->setFillColor( text_color );
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tBane Temat założony przez niniejszego użytkownika |
» 2025-06-11 21:14:35 Dobra trochę się zapędziłem .. xD zapomniałem, że we wraperze nie ma wektora lines tylko jest wrapped_text#include <SFML/Graphics.hpp> #include <iostream> #include <vector> #include <cmath>
#include "SFML_intro.hpp"
sf::RenderWindow * window;
sf::Color text_color = sf::Color::White; sf::Color background_color = sf::Color( 48, 48, 48, 255 ); sf::Color selection_color = sf::Color( 3, 55, 161, 255 );
sf::Font font; short characterSize;
std::wstring text; std::vector < sf::Text * > lines;
sf::Vector2i mousePosition; sf::Vector2f worldMousePosition; bool mousePress = false;
sf::RectangleShape cursor; sf::Vector2i cursorPosition = sf::Vector2i( 0, 0 );
sf::Clock timeClock; sf::Time currentTime;
std::vector < sf::Text * > wrap_text( int line_width, std::wstring text ) { std::vector < sf::Text * > wrapped_text; std::wstring line = L""; std::wstring word = L""; for( auto & character: text ) { if( sf::Text( word + character, font, characterSize ).getGlobalBounds().width > line_width ) { if( line != L"" ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } std::wstring l = L""; word = word + character; for( wchar_t & c: word ) { if( sf::Text( l + c, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); l = c; } else l = l + c; } sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); word = L""; } else if( sf::Text( line + word + character, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = word + character; } else if( character == L'\n' ) { if( sf::Text( line + word + L"\n", font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); sf::Text * t2 = new sf::Text( word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t2->setPosition( 0, 0 ) : t2->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t2 ); line = L""; word = L""; } else { sf::Text * t = new sf::Text( line + word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = L""; } } else if( character == L' ' || character == L'\t' ) { if( sf::Text( line + word, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } else { line = line + word + character; } word = L""; } else { word = word + character; } } if( line != L"" || word != L"" ) { sf::Text * t = new sf::Text( line + word, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); } for( auto & line: wrapped_text ) line->setFillColor( text_color ); return wrapped_text; }
sf::Vector2i getCursorPosition() { if( worldMousePosition.y >= lines.back()->getGlobalBounds().top ) { for( size_t i = 0; i < lines.back()->getString().toWideString().size(); ++i ) { sf::Vector2f charPos = lines.back()->findCharacterPos( i ); sf::Vector2f nextPos = lines.back()->findCharacterPos( i + 1 ); float charWidth = nextPos.x - charPos.x; if( worldMousePosition.x < charPos.x + charWidth / 2.f ) { return sf::Vector2i( i, lines.size() - 1 ); } } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); } sf::Vector2i cur_pos = sf::Vector2i( 0, 0 ); for( int t = 0; t < lines.size(); t++ ) { for( size_t i = 0; i < lines[ t ]->getString().getSize(); ++i ) { sf::Vector2f charPos = lines[ t ]->findCharacterPos( i ); float nextX = lines[ t ]->findCharacterPos( i + 1 ).x; sf::FloatRect charRect( charPos.x, charPos.y, nextX - charPos.x, font.getLineSpacing( characterSize ) ); if( charRect.contains( worldMousePosition ) ) { if( worldMousePosition.x < charRect.left + charRect.width / 2 ) return sf::Vector2i( i, t ); else return sf::Vector2i( i + 1, t ); } bool isLastChar =( i == lines[ t ]->getString().getSize() - 1 ); if( isLastChar && worldMousePosition.x > charRect.left && worldMousePosition.y >= charRect.top && worldMousePosition.y <= charRect.top + charRect.height ) { return sf::Vector2i( i + 1, t ); } } } return cur_pos; }
int getCursorIndex( sf::Vector2i position ) { int index = 0; for( int i = 0; i < position.y && i < lines.size(); ++i ) { index += lines[ i ]->getString().getSize(); } index += position.x; return index; }
sf::Vector2i getCursorFromIndex( int index ) { if( index <= 0 || lines.empty() ) return sf::Vector2i( 0, 0 ); int current = 0; for( int y = 0; y < lines.size(); ++y ) { int lineSize = lines[ y ]->getString().getSize(); if( index <= current + lineSize ) { return sf::Vector2i( index - current, y ); } current += lineSize; } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); }
void setCursorUp() { if( lines.empty() ) return; if( cursorPosition.y > 0 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y -= 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } } void setCursorDown() { if( lines.empty() ) return; if( cursorPosition.y < lines.size() - 1 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y += 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } }
void setCursorPosition( sf::Vector2i cursor_position ) { cursorPosition = cursor_position; if( cursor_position == sf::Vector2i( 0, 0 ) ) { cursor.setPosition( sf::Vector2f( 0, 0 ) ); return; } std::wstring line = lines[ cursorPosition.y ]->getString().toWideString(); if( line.size() == 0 ) { cursor.setPosition( lines[ cursorPosition.y ]->getPosition() ); return; } if( cursor_position.x < line.size() ) { sf::Vector2f charPos = lines[ cursorPosition.y ]->findCharacterPos( cursor_position.x ); cursor.setPosition( charPos.x, charPos.y ); return; } sf::Vector2f endPos = lines[ cursorPosition.y ]->findCharacterPos( line.size() ); cursor.setPosition( endPos.x, endPos.y ); }
class Selection { public: int start_index = 0; int end_index = 0; void draw() { sf::Vector2i start_position; sf::Vector2i end_position; if( start_index < end_index ) { start_position = getCursorFromIndex( start_index ); end_position = getCursorFromIndex( end_index ); } else { start_position = getCursorFromIndex( end_index ); end_position = getCursorFromIndex( start_index ); } int start_x = std::min( start_position.x, end_position.x ); int end_x = std::max( start_position.x, end_position.x ); int start_y = std::min( start_position.y, end_position.y ); int end_y = std::max( start_position.y, end_position.y ); float rect_start_x =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).x; float rect_end_x = lines[ end_y ]->findCharacterPos( end_x ).x; float rect_start_y =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).y; float rect_end_y = lines[ end_y ]->findCharacterPos( end_x ).y; std::vector < sf::RectangleShape > rects; if( end_y == start_y && start_x != end_x ) { sf::RectangleShape rect = sf::RectangleShape( sf::Vector2f( rect_end_x - rect_start_x + 1, font.getLineSpacing( characterSize ) ) ); rect.setPosition( rect_start_x, rect_start_y ); rect.setFillColor( selection_color ); rects.push_back( rect ); } else if( end_y - start_y >= 1 ) { sf::RectangleShape top_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x - rect_start_x, font.getLineSpacing( characterSize ) ) ) ); top_rect.setPosition( rect_start_x, rect_start_y ); top_rect.setFillColor( selection_color ); rects.push_back( top_rect ); sf::RectangleShape center_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x,( end_y - start_y - 1 ) * font.getLineSpacing( characterSize ) ) ) ); center_rect.setPosition( 0, rect_start_y + font.getLineSpacing( characterSize ) ); center_rect.setFillColor( selection_color ); rects.push_back( center_rect ); sf::RectangleShape bottom_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( rect_end_x, font.getLineSpacing( characterSize ) ) ) ); bottom_rect.setPosition( 0, rect_end_y ); bottom_rect.setFillColor( selection_color ); rects.push_back( bottom_rect ); } for( auto & rect: rects ) window->draw( rect ); } };
int main() { sf::View view( sf::FloatRect( 0, 0, 480, 640 ) ); window = new sf::RenderWindow( sf::VideoMode( view.getSize().x, view.getSize().y ), "Easy Notepad!", sf::Style::Titlebar | sf::Style::Close ); font.loadFromFile( "C:/Windows/Fonts/arial.ttf" ); characterSize = 17; text = L""; text = L"Tak? O Co chodzi?\n" L"Tak? O Co chodzi?\n" L"Tak? O Co chodzi?\n" L"Tak? O Co chodzi?"; lines = wrap_text( window->getSize().x, text ); cursor = sf::RectangleShape( sf::Vector2f( 2, characterSize ) ); cursor.setFillColor( sf::Color::Red ); sf::Clock clock; SFML_intro * intro = new SFML_intro( window ); delete intro; Selection * selection = nullptr; while( window->isOpen() ) { mousePosition = sf::Mouse::getPosition( * window ); worldMousePosition = window->mapPixelToCoords( mousePosition ); currentTime = timeClock.getElapsedTime(); sf::Event event; while( window->pollEvent( event ) ) { if( event.type == sf::Event::Closed ) window->close(); if( event.type == sf::Event::Resized ) { sf::View view; view.setSize( static_cast < float >( event.size.width ), static_cast < float >( event.size.height ) ); view.setCenter( view.getSize() / 2.f ); window->setView( view ); } else if( event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Left ) { mousePress = true; sf::Vector2i cur_pos = getCursorPosition(); if( selection != nullptr ) delete selection; selection = new Selection(); selection->start_index = getCursorIndex( cur_pos ); selection->end_index = selection->start_index; setCursorPosition( cur_pos ); } else if( event.type == sf::Event::MouseButtonReleased && event.mouseButton.button == sf::Mouse::Left ) { sf::Vector2i cur_pos = getCursorPosition(); setCursorPosition( cur_pos ); mousePress = false; } else if( event.type == sf::Event::MouseMoved ) { if( mousePress ) { sf::Vector2i cur_pos = getCursorPosition(); if( selection != nullptr ) selection->end_index = getCursorIndex( cur_pos ); setCursorPosition( cur_pos ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::V ) { int index = getCursorIndex( cursorPosition ); std::wstring clip_text = sf::Clipboard::getString().toWideString(); while( clip_text.find( L"\r\n" ) != std::wstring::npos ) { clip_text.erase( clip_text.find( L"\r\n" ), 1 ); }; text.insert( index, clip_text ); index += clip_text.size(); for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::C ) { if( selection && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::X ) { if( selection != nullptr && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Delete ) { if( !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { int index = getCursorIndex( cursorPosition ); text.erase( index, 1 ); } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); } } else if( event.type == sf::Event::TextEntered ) { int index = getCursorIndex( cursorPosition ); if( event.text.unicode == 8 ) { if( index > 0 && !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { text.erase( index - 1, 1 ); index -= 1; } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); } if( selection != nullptr ) { delete selection; selection = nullptr; } } } else if( event.text.unicode == 13 ) { text.insert( index, 1, L'\n' ); index += 1; } else if( event.text.unicode == 9 ) { text.insert( index, 1, L'\t' ); index += 1; } else { wchar_t character = static_cast < wchar_t >( event.text.unicode ); if( character >= 32 && character != 127 ) { if( selection != nullptr && selection->start_index != selection->end_index ) { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; } text.insert( index, 1, character ); index += 1; } } for( auto & t: lines ) delete t; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed ) { if( event.key.code == sf::Keyboard::Left ) { if( cursorPosition.x > 0 ) { cursorPosition.x -= 1; } else { if( !lines.empty() && cursorPosition.y > 0 ) { cursorPosition.y -= 1; cursorPosition.x = lines[ cursorPosition.y ]->getString().toWideString().size() - 1; } } } else if( event.key.code == sf::Keyboard::Right ) { if( !lines.empty() && cursorPosition.x < lines[ cursorPosition.y ]->getString().toWideString().size() ) { cursorPosition.x += 1; } else { if( cursorPosition.y < lines.size() - 1 ) { cursorPosition.x = 0; cursorPosition.y += 1; } } } else if( event.key.code == sf::Keyboard::Up ) { setCursorUp(); } else if( event.key.code == sf::Keyboard::Down ) { setCursorDown(); } setCursorPosition( cursorPosition ); } } window->clear( background_color ); if( selection != nullptr ) { selection->draw(); } for( auto & line: lines ) window->draw( * line ); if( std::fmod( currentTime.asSeconds(), 0.6f ) < 0.3f ) window->draw( cursor ); window->display(); } }
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tBane Temat założony przez niniejszego użytkownika |
» 2025-06-11 21:54:45 Jeszcze jest jeden Bug - gdy zaznacza się na prawo poza tekstem to zaznaczenie nie obejmuje całej linii. #include <SFML/Graphics.hpp> #include <iostream> #include <vector> #include <cmath>
#include "SFML_intro.hpp"
sf::RenderWindow * window;
sf::Color text_color = sf::Color::White; sf::Color background_color = sf::Color( 48, 48, 48, 255 ); sf::Color selection_color = sf::Color( 3, 55, 161, 255 );
sf::Font font; short characterSize;
std::wstring text; std::vector < sf::Text * > lines;
sf::Vector2i mousePosition; sf::Vector2f worldMousePosition; bool mousePress = false;
sf::RectangleShape cursor; sf::Vector2i cursorPosition = sf::Vector2i( 0, 0 );
sf::Clock timeClock; sf::Time currentTime;
std::vector < sf::Text * > wrap_text( int line_width, std::wstring text ) { std::vector < sf::Text * > wrapped_text; std::wstring line = L""; std::wstring word = L""; for( auto & character: text ) { if( sf::Text( word + character, font, characterSize ).getGlobalBounds().width > line_width ) { if( line != L"" ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } std::wstring l = L""; word = word + character; for( wchar_t & c: word ) { if( sf::Text( l + c, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); l = c; } else l = l + c; } sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); word = L""; } else if( sf::Text( line + word + character, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = word + character; } else if( character == L'\n' ) { if( sf::Text( line + word + L"\n", font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); sf::Text * t2 = new sf::Text( word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t2->setPosition( 0, 0 ) : t2->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t2 ); line = L""; word = L""; } else { sf::Text * t = new sf::Text( line + word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = L""; } } else if( character == L' ' || character == L'\t' ) { if( sf::Text( line + word, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } else { line = line + word + character; } word = L""; } else { word = word + character; } } if( line != L"" || word != L"" ) { sf::Text * t = new sf::Text( line + word, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); } for( auto & line: wrapped_text ) line->setFillColor( text_color ); return wrapped_text; }
sf::Vector2i getCursorPosition() { if( worldMousePosition.y >= lines.back()->getGlobalBounds().top ) { for( size_t i = 0; i < lines.back()->getString().toWideString().size(); ++i ) { sf::Vector2f charPos = lines.back()->findCharacterPos( i ); sf::Vector2f nextPos = lines.back()->findCharacterPos( i + 1 ); float charWidth = nextPos.x - charPos.x; if( worldMousePosition.x < charPos.x + charWidth / 2.f ) { return sf::Vector2i( i, lines.size() - 1 ); } } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); } sf::Vector2i cur_pos = sf::Vector2i( 0, 0 ); for( int t = 0; t < lines.size(); t++ ) { sf::Vector2f charPos = lines[ t ]->findCharacterPos( lines.size() - 1 ); if( worldMousePosition.y >= charPos.y && worldMousePosition.y <= charPos.y + font.getLineSpacing( characterSize ) && worldMousePosition.x >= charPos.x ) { return sf::Vector2i( lines[ t ]->getString().toWideString().size(), t ); } for( size_t i = 0; i < lines[ t ]->getString().getSize(); ++i ) { sf::Vector2f charPos = lines[ t ]->findCharacterPos( i ); float nextX = lines[ t ]->findCharacterPos( i + 1 ).x; sf::FloatRect charRect( charPos.x, charPos.y, nextX - charPos.x, font.getLineSpacing( characterSize ) ); if( charRect.contains( worldMousePosition ) ) { if( worldMousePosition.x < charRect.left + charRect.width / 2 ) return sf::Vector2i( i, t ); else return sf::Vector2i( i + 1, t ); } } } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); }
int getCursorIndex( sf::Vector2i position ) { int index = 0; for( int i = 0; i < position.y && i < lines.size(); ++i ) { index += lines[ i ]->getString().getSize(); } index += position.x; return index; }
sf::Vector2i getCursorFromIndex( int index ) { if( index <= 0 || lines.empty() ) return sf::Vector2i( 0, 0 ); int current = 0; for( int y = 0; y < lines.size(); ++y ) { int lineSize = lines[ y ]->getString().getSize(); if( index <= current + lineSize ) { return sf::Vector2i( index - current, y ); } current += lineSize; } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); }
void setCursorUp() { if( lines.empty() ) return; if( cursorPosition.y > 0 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y -= 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } } void setCursorDown() { if( lines.empty() ) return; if( cursorPosition.y < lines.size() - 1 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y += 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } }
void setCursorPosition( sf::Vector2i cursor_position ) { cursorPosition = cursor_position; if( cursor_position == sf::Vector2i( 0, 0 ) ) { cursor.setPosition( sf::Vector2f( 0, 0 ) ); return; } std::wstring line = lines[ cursorPosition.y ]->getString().toWideString(); if( line.size() == 0 ) { cursor.setPosition( lines[ cursorPosition.y ]->getPosition() ); return; } if( cursor_position.x < line.size() ) { sf::Vector2f charPos = lines[ cursorPosition.y ]->findCharacterPos( cursor_position.x ); cursor.setPosition( charPos.x, charPos.y ); return; } sf::Vector2f endPos = lines[ cursorPosition.y ]->findCharacterPos( line.size() ); cursor.setPosition( endPos.x, endPos.y ); }
class Selection { public: int start_index = 0; int end_index = 0; void draw() { sf::Vector2i start_position; sf::Vector2i end_position; if( start_index < end_index ) { start_position = getCursorFromIndex( start_index ); end_position = getCursorFromIndex( end_index ); } else { start_position = getCursorFromIndex( end_index ); end_position = getCursorFromIndex( start_index ); } int start_x = std::min( start_position.x, end_position.x ); int end_x = std::max( start_position.x, end_position.x ); int start_y = std::min( start_position.y, end_position.y ); int end_y = std::max( start_position.y, end_position.y ); float rect_start_x =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).x; float rect_end_x = lines[ end_y ]->findCharacterPos( end_x ).x; float rect_start_y =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).y; float rect_end_y = lines[ end_y ]->findCharacterPos( end_x ).y; std::vector < sf::RectangleShape > rects; if( end_y == start_y && start_x != end_x ) { sf::RectangleShape rect = sf::RectangleShape( sf::Vector2f( rect_end_x - rect_start_x + 1, font.getLineSpacing( characterSize ) ) ); rect.setPosition( rect_start_x, rect_start_y ); rect.setFillColor( selection_color ); rects.push_back( rect ); } else if( end_y - start_y >= 1 ) { sf::RectangleShape top_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x - rect_start_x, font.getLineSpacing( characterSize ) ) ) ); top_rect.setPosition( rect_start_x, rect_start_y ); top_rect.setFillColor( selection_color ); rects.push_back( top_rect ); sf::RectangleShape center_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x,( end_y - start_y - 1 ) * font.getLineSpacing( characterSize ) ) ) ); center_rect.setPosition( 0, rect_start_y + font.getLineSpacing( characterSize ) ); center_rect.setFillColor( selection_color ); rects.push_back( center_rect ); sf::RectangleShape bottom_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( rect_end_x, font.getLineSpacing( characterSize ) ) ) ); bottom_rect.setPosition( 0, rect_end_y ); bottom_rect.setFillColor( selection_color ); rects.push_back( bottom_rect ); } for( auto & rect: rects ) window->draw( rect ); } };
int main() { sf::View view( sf::FloatRect( 0, 0, 480, 640 ) ); window = new sf::RenderWindow( sf::VideoMode( view.getSize().x, view.getSize().y ), "Easy Notepad!", sf::Style::Titlebar | sf::Style::Close ); font.loadFromFile( "C:/Windows/Fonts/arial.ttf" ); characterSize = 17; text = L""; lines = wrap_text( window->getSize().x, text ); cursor = sf::RectangleShape( sf::Vector2f( 2, characterSize ) ); cursor.setFillColor( sf::Color::Red ); sf::Clock clock; SFML_intro * intro = new SFML_intro( window ); delete intro; Selection * selection = nullptr; while( window->isOpen() ) { mousePosition = sf::Mouse::getPosition( * window ); worldMousePosition = window->mapPixelToCoords( mousePosition ); currentTime = timeClock.getElapsedTime(); sf::Event event; while( window->pollEvent( event ) ) { if( event.type == sf::Event::Closed ) window->close(); if( event.type == sf::Event::Resized ) { sf::View view; view.setSize( static_cast < float >( event.size.width ), static_cast < float >( event.size.height ) ); view.setCenter( view.getSize() / 2.f ); window->setView( view ); } else if( event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Left ) { mousePress = true; sf::Vector2i cur_pos = getCursorPosition(); if( selection != nullptr ) delete selection; selection = new Selection(); selection->start_index = getCursorIndex( cur_pos ); selection->end_index = selection->start_index; setCursorPosition( cur_pos ); } else if( event.type == sf::Event::MouseButtonReleased && event.mouseButton.button == sf::Mouse::Left ) { sf::Vector2i cur_pos = getCursorPosition(); setCursorPosition( cur_pos ); mousePress = false; } else if( event.type == sf::Event::MouseMoved ) { if( mousePress ) { sf::Vector2i cur_pos = getCursorPosition(); if( selection != nullptr ) selection->end_index = getCursorIndex( cur_pos ); setCursorPosition( cur_pos ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::V ) { int index = getCursorIndex( cursorPosition ); std::wstring clip_text = sf::Clipboard::getString().toWideString(); while( clip_text.find( L"\r\n" ) != std::wstring::npos ) { clip_text.erase( clip_text.find( L"\r\n" ), 1 ); }; text.insert( index, clip_text ); index += clip_text.size(); for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::C ) { if( selection && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::X ) { if( selection != nullptr && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Delete ) { if( !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { int index = getCursorIndex( cursorPosition ); text.erase( index, 1 ); } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); } } else if( event.type == sf::Event::TextEntered ) { int index = getCursorIndex( cursorPosition ); if( event.text.unicode == 8 ) { if( index > 0 && !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { text.erase( index - 1, 1 ); index -= 1; } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); } if( selection != nullptr ) { delete selection; selection = nullptr; } } } else if( event.text.unicode == 13 ) { text.insert( index, 1, L'\n' ); index += 1; } else if( event.text.unicode == 9 ) { text.insert( index, 1, L'\t' ); index += 1; } else { wchar_t character = static_cast < wchar_t >( event.text.unicode ); if( character >= 32 && character != 127 ) { if( selection != nullptr && selection->start_index != selection->end_index ) { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; } text.insert( index, 1, character ); index += 1; } } for( auto & t: lines ) delete t; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed ) { if( event.key.code == sf::Keyboard::Left ) { if( cursorPosition.x > 0 ) { cursorPosition.x -= 1; } else { if( !lines.empty() && cursorPosition.y > 0 ) { cursorPosition.y -= 1; cursorPosition.x = lines[ cursorPosition.y ]->getString().toWideString().size() - 1; } } } else if( event.key.code == sf::Keyboard::Right ) { if( !lines.empty() && cursorPosition.x < lines[ cursorPosition.y ]->getString().toWideString().size() ) { cursorPosition.x += 1; } else { if( cursorPosition.y < lines.size() - 1 ) { cursorPosition.x = 0; cursorPosition.y += 1; } } } else if( event.key.code == sf::Keyboard::Up ) { setCursorUp(); } else if( event.key.code == sf::Keyboard::Down ) { setCursorDown(); } setCursorPosition( cursorPosition ); } } window->clear( background_color ); if( selection != nullptr ) { selection->draw(); } for( auto & line: lines ) window->draw( * line ); if( std::fmod( currentTime.asSeconds(), 0.6f ) < 0.3f ) window->draw( cursor ); window->display(); } }
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pekfos |
» 2025-06-12 17:52:14 findCharacterPos().x zwraca 0 gdy ostatni przetworzony znak to \n. Poza tym program wywala się jak klikniesz gdy nie ma tekstu żadnego, a taki stan masz teraz na początku. |
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tBane Temat założony przez niniejszego użytkownika |
» 2025-06-13 19:58:54 Ok. Wziąłem poprawki na te entery i teraz działa wszystko. A przynajmniej tak mi się wydaje :-) Napisałem także dodatkowo zaznaczanie tekstu przy pomocy kombinacji klawiszy shift + left/right/up/down#include <SFML/Graphics.hpp> #include <iostream> #include <vector> #include <cmath>
#include "SFML_intro.hpp"
sf::RenderWindow * window;
sf::Color text_color = sf::Color::White; sf::Color background_color = sf::Color( 48, 48, 48, 255 ); sf::Color selection_color = sf::Color( 3, 55, 161, 255 );
sf::Font font; short characterSize;
std::wstring text; std::vector < sf::Text * > lines;
sf::Vector2i mousePosition; sf::Vector2f worldMousePosition; bool mousePress = false;
sf::RectangleShape cursor; sf::Vector2i cursorPosition = sf::Vector2i( 0, 0 );
sf::Clock timeClock; sf::Time currentTime;
std::vector < sf::Text * > wrap_text( int line_width, std::wstring text ) { std::vector < sf::Text * > wrapped_text; std::wstring line = L""; std::wstring word = L""; for( auto & character: text ) { if( sf::Text( word + character, font, characterSize ).getGlobalBounds().width > line_width ) { if( line != L"" ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } std::wstring l = L""; word = word + character; for( wchar_t & c: word ) { if( sf::Text( l + c, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); l = c; } else l = l + c; } sf::Text * t = new sf::Text( l, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); word = L""; } else if( sf::Text( line + word + character, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = word + character; } else if( character == L'\n' ) { if( sf::Text( line + word + L"\n", font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); sf::Text * t2 = new sf::Text( word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t2->setPosition( 0, 0 ) : t2->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t2 ); line = L""; word = L""; } else { sf::Text * t = new sf::Text( line + word + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; word = L""; } } else if( character == L' ' || character == L'\t' ) { if( sf::Text( line + word, font, characterSize ).getGlobalBounds().width > line_width ) { sf::Text * t = new sf::Text( line + L"\n", font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); line = L""; } else { line = line + word + character; } word = L""; } else { word = word + character; } } if( line != L"" || word != L"" ) { sf::Text * t = new sf::Text( line + word, font, characterSize ); ( wrapped_text.empty() ) ? t->setPosition( 0, 0 ) : t->setPosition( 0, wrapped_text.back()->getPosition().y + font.getLineSpacing( characterSize ) ); wrapped_text.push_back( t ); } for( auto & line: wrapped_text ) line->setFillColor( text_color ); return wrapped_text; }
sf::Vector2i getCursorPosition() { if( lines.empty() ) return sf::Vector2i( 0, 0 ); if( worldMousePosition.y >= lines.back()->getGlobalBounds().top ) { for( size_t i = 0; i < lines.back()->getString().toWideString().size(); ++i ) { sf::Vector2f charPos = lines.back()->findCharacterPos( i ); sf::Vector2f nextPos = lines.back()->findCharacterPos( i + 1 ); float charWidth = nextPos.x - charPos.x; if( worldMousePosition.x < charPos.x + charWidth / 2.f ) { std::cout << "cursor on position: " << i << "," << lines.size() - 1 << "\n"; return sf::Vector2i( i, lines.size() - 1 ); } } std::cout << "cursor on position: " << lines.back()->getString().toWideString().size() << "," << lines.size() - 1 << "\n"; return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); } for( int t = 0; t < lines.size(); t++ ) { for( size_t i = 0; i < lines[ t ]->getString().toWideString().size() - 1; ++i ) { sf::Vector2f charPos = lines[ t ]->findCharacterPos( i ); float nextX = lines[ t ]->findCharacterPos( i + 1 ).x; sf::FloatRect charRect( charPos.x, charPos.y, nextX - charPos.x, font.getLineSpacing( characterSize ) ); if( charRect.contains( worldMousePosition ) ) { if( worldMousePosition.x < charRect.left + charRect.width / 2 ) { std::cout << "cursor on position: " << i << "," << t << "\n"; return sf::Vector2i( i, t ); } else { std::cout << "cursor on position: " << i + 1 << "," << t << "\n"; return sf::Vector2i( i + 1, t ); } } } sf::Vector2f charPos; if( lines[ t ]->getString().toWideString().back() == L'\n' ) { charPos = lines[ t ]->findCharacterPos( lines[ t ]->getString().toWideString().size() - 1 ); if( worldMousePosition.y >= charPos.y && worldMousePosition.y <= charPos.y + font.getLineSpacing( characterSize ) && worldMousePosition.x >= charPos.x ) { std::cout << "cursor on position: " << lines[ t ]->getString().toWideString().size() - 1 << "," << t << "\n"; return sf::Vector2i( lines[ t ]->getString().toWideString().size() - 1, t ); } } else { charPos = lines[ t ]->findCharacterPos( lines[ t ]->getString().toWideString().size() ); if( worldMousePosition.y >= charPos.y && worldMousePosition.y <= charPos.y + font.getLineSpacing( characterSize ) && worldMousePosition.x >= charPos.x ) { std::cout << "cursor on position: " << lines[ t ]->getString().toWideString().size() << "," << t << "\n"; return sf::Vector2i( lines[ t ]->getString().toWideString().size(), t ); } } } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); }
int getCursorIndex( sf::Vector2i position ) { int index = 0; for( int i = 0; i < position.y && i < lines.size(); ++i ) { index += lines[ i ]->getString().toWideString().size(); } index += position.x; std::cout << "index: " << index << "\n"; return index; }
sf::Vector2i getCursorFromIndex( int index ) { if( lines.empty() ) return sf::Vector2i( 0, 0 ); int current = 0; for( int y = 0; y < lines.size(); ++y ) { int lineSize = lines[ y ]->getString().getSize(); if( index <= current + lineSize ) { return sf::Vector2i( index - current, y ); } current += lineSize; } return sf::Vector2i( lines.back()->getString().toWideString().size(), lines.size() - 1 ); }
class Selection { public: int start_index = 0; int end_index = 0; Selection() { start_index = 0; end_index = 0; } ~Selection() { } void draw() { sf::Vector2i start_position; sf::Vector2i end_position; if( start_index < end_index ) { start_position = getCursorFromIndex( start_index ); end_position = getCursorFromIndex( end_index ); } else { start_position = getCursorFromIndex( end_index ); end_position = getCursorFromIndex( start_index ); } int start_x = start_position.x; int end_x = end_position.x; int start_y = start_position.y; int end_y = end_position.y; float rect_start_x =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).x; float rect_end_x = lines[ end_y ]->findCharacterPos( end_x ).x; float rect_start_y =( start_x == 0 ) ? 0 : lines[ start_y ]->findCharacterPos( start_x ).y; float rect_end_y = lines[ end_y ]->findCharacterPos( end_x ).y; std::vector < sf::RectangleShape > rects; if( end_y == start_y && start_x != end_x ) { sf::RectangleShape rect = sf::RectangleShape( sf::Vector2f( rect_end_x - rect_start_x + 1, font.getLineSpacing( characterSize ) ) ); rect.setPosition( rect_start_x, rect_start_y ); rect.setFillColor( selection_color ); rects.push_back( rect ); } else if( end_y - start_y >= 1 ) { sf::RectangleShape top_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x - rect_start_x, font.getLineSpacing( characterSize ) ) ) ); top_rect.setPosition( rect_start_x, rect_start_y ); top_rect.setFillColor( selection_color ); rects.push_back( top_rect ); sf::RectangleShape center_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( window->getSize().x,( end_y - start_y - 1 ) * font.getLineSpacing( characterSize ) ) ) ); center_rect.setPosition( 0, rect_start_y + font.getLineSpacing( characterSize ) ); center_rect.setFillColor( selection_color ); rects.push_back( center_rect ); sf::RectangleShape bottom_rect = sf::RectangleShape( sf::RectangleShape( sf::Vector2f( rect_end_x, font.getLineSpacing( characterSize ) ) ) ); bottom_rect.setPosition( 0, rect_end_y ); bottom_rect.setFillColor( selection_color ); rects.push_back( bottom_rect ); } for( auto & rect: rects ) window->draw( rect ); } };
Selection * selection = nullptr;
void setCursorPosition( sf::Vector2i cursor_position ) { cursorPosition = cursor_position; if( cursor_position == sf::Vector2i( 0, 0 ) ) { cursor.setPosition( sf::Vector2f( 0, 0 ) ); return; } if( lines.empty() ) { cursor.setPosition( sf::Vector2f( 0, 0 ) ); return; } std::wstring line = lines[ cursorPosition.y ]->getString().toWideString(); if( line.size() == 0 ) { cursor.setPosition( lines[ cursorPosition.y ]->getPosition() ); return; } if( cursor_position.x < line.size() ) { sf::Vector2f charPos = lines[ cursorPosition.y ]->findCharacterPos( cursor_position.x ); cursor.setPosition( charPos.x, charPos.y ); return; } if( line.back() == L'\n' ) { sf::Vector2f endPos = lines[ cursorPosition.y ]->findCharacterPos( line.size() - 1 ); cursor.setPosition( endPos.x, endPos.y ); } else { sf::Vector2f endPos = lines[ cursorPosition.y ]->findCharacterPos( line.size() ); cursor.setPosition( endPos.x, endPos.y ); } }
void setCursorLeft() { if( cursorPosition.x > 0 ) { cursorPosition.x -= 1; } else { if( !lines.empty() && cursorPosition.y > 0 ) { cursorPosition.y -= 1; cursorPosition.x = lines[ cursorPosition.y ]->getString().toWideString().size() - 1; } } setCursorPosition( cursorPosition ); }
void setCursorRight() { if( !lines.empty() && cursorPosition.x < lines[ cursorPosition.y ]->getString().toWideString().size() ) { cursorPosition.x += 1; } else { if( cursorPosition.y < lines.size() - 1 ) { cursorPosition.x = 0; cursorPosition.y += 1; } } setCursorPosition( cursorPosition ); }
void setCursorUp() { if( lines.empty() ) return; if( cursorPosition.y > 0 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y -= 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } } void setCursorDown() { if( lines.empty() ) return; if( cursorPosition.y < lines.size() - 1 ) { float targetX = cursor.getGlobalBounds().left; cursorPosition.y += 1; sf::Text * line = lines[ cursorPosition.y ]; size_t lineLength = line->getString().toWideString().size(); size_t closestIndex = 0; float closestDistance = std::abs( line->findCharacterPos( 0 ).x - targetX ); for( size_t i = 1; i <= lineLength; ++i ) { sf::Vector2f pos = line->findCharacterPos( i ); float distance = std::abs( pos.x - targetX ); if( distance < closestDistance ) { closestIndex = i; closestDistance = distance; } } cursorPosition.x = closestIndex; cursor.setPosition( line->findCharacterPos( closestIndex ) ); } }
void setCursorLeftWithShift() { std::cout << "shift + L" << "\n"; if( lines.empty() ) { return; } int index = getCursorIndex( cursorPosition ) - 1; if( selection == nullptr ) { selection = new Selection(); selection->start_index = index + 1; selection->end_index = index; } else { selection->end_index = index; if( selection->end_index == selection->start_index ) { delete selection; selection = nullptr; } } setCursorPosition( getCursorFromIndex( index ) ); }
void setCursorRightWithShift() { std::cout << "shift + R" << "\n"; if( lines.empty() ) { return; } int index = getCursorIndex( cursorPosition ) + 1; if( selection == nullptr ) { selection = new Selection(); selection->start_index = index - 1; selection->end_index = index; } else { selection->end_index = index; if( selection->end_index == selection->start_index ) { delete selection; selection = nullptr; } } setCursorPosition( getCursorFromIndex( index ) ); }
void setCursorUpWithShift() { if( lines.empty() ) { return; } if( selection == nullptr ) { int prev_index = getCursorIndex( cursorPosition ); setCursorUp(); int index = getCursorIndex( cursorPosition ); selection = new Selection(); selection->start_index = prev_index; selection->end_index = index; setCursorPosition( getCursorFromIndex( index ) ); } else { setCursorUp(); int index = getCursorIndex( cursorPosition ); selection->end_index = index; if( selection->end_index == selection->start_index ) { delete selection; selection = nullptr; } setCursorPosition( getCursorFromIndex( index ) ); } }
void setCursorDownWithShift() { if( lines.empty() ) { return; } if( selection == nullptr ) { int prev_index = getCursorIndex( cursorPosition ); setCursorDown(); int index = getCursorIndex( cursorPosition ); selection = new Selection(); selection->start_index = prev_index; selection->end_index = index; setCursorPosition( getCursorFromIndex( index ) ); } else { setCursorDown(); int index = getCursorIndex( cursorPosition ); selection->end_index = index; if( selection->end_index == selection->start_index ) { delete selection; selection = nullptr; } setCursorPosition( getCursorFromIndex( index ) ); } }
int main() { sf::View view( sf::FloatRect( 0, 0, 480, 640 ) ); window = new sf::RenderWindow( sf::VideoMode( view.getSize().x, view.getSize().y ), "Easy Notepad!", sf::Style::Titlebar | sf::Style::Close ); font.loadFromFile( "C:/Windows/Fonts/arial.ttf" ); characterSize = 17; text = L""; lines = wrap_text( window->getSize().x, text ); cursor = sf::RectangleShape( sf::Vector2f( 2, characterSize ) ); cursor.setFillColor( sf::Color::Red ); sf::Clock clock; SFML_intro * intro = new SFML_intro( window ); delete intro; selection = nullptr; while( window->isOpen() ) { mousePosition = sf::Mouse::getPosition( * window ); worldMousePosition = window->mapPixelToCoords( mousePosition ); currentTime = timeClock.getElapsedTime(); sf::Event event; while( window->pollEvent( event ) ) { if( event.type == sf::Event::Closed ) window->close(); if( event.type == sf::Event::Resized ) { sf::View view; view.setSize( static_cast < float >( event.size.width ), static_cast < float >( event.size.height ) ); view.setCenter( view.getSize() / 2.f ); window->setView( view ); } else if( event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Left ) { mousePress = true; sf::Vector2i cur_pos = getCursorPosition(); if( !lines.empty() && cur_pos.y < lines.size() ) { if( selection != nullptr ) delete selection; selection = new Selection(); selection->start_index = getCursorIndex( cur_pos ); selection->end_index = selection->start_index; setCursorPosition( cur_pos ); } } else if( event.type == sf::Event::MouseButtonReleased && event.mouseButton.button == sf::Mouse::Left ) { sf::Vector2i cur_pos = getCursorPosition(); setCursorPosition( cur_pos ); mousePress = false; } else if( event.type == sf::Event::MouseMoved ) { if( mousePress ) { sf::Vector2i cur_pos = getCursorPosition(); if( selection != nullptr ) selection->end_index = getCursorIndex( cur_pos ); setCursorPosition( cur_pos ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::V ) { int index = getCursorIndex( cursorPosition ); std::wstring clip_text = sf::Clipboard::getString().toWideString(); while( clip_text.find( L"\r\n" ) != std::wstring::npos ) { clip_text.erase( clip_text.find( L"\r\n" ), 1 ); }; text.insert( index, clip_text ); index += clip_text.size(); for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::C ) { if( selection && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); } } else if( event.type == sf::Event::KeyPressed && event.key.control && event.key.code == sf::Keyboard::X ) { if( selection != nullptr && selection->start_index != selection->end_index ) { std::wstring clip_text = text.substr( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); sf::Clipboard::setString( clip_text ); text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } } else if( event.type == sf::Event::KeyPressed && event.key.shift && event.key.code == sf::Keyboard::Left ) { setCursorLeftWithShift(); } else if( event.type == sf::Event::KeyPressed && event.key.shift && event.key.code == sf::Keyboard::Right ) { setCursorRightWithShift(); } else if( event.type == sf::Event::KeyPressed && event.key.shift && event.key.code == sf::Keyboard::Up ) { setCursorUpWithShift(); } else if( event.type == sf::Event::KeyPressed && event.key.shift && event.key.code == sf::Keyboard::Down ) { setCursorDownWithShift(); } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Delete ) { if( !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { int index = getCursorIndex( cursorPosition ); text.erase( index, 1 ); } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); int index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; setCursorPosition( getCursorFromIndex( index ) ); } for( auto & line: lines ) delete line; lines = wrap_text( window->getSize().x, text ); } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Left ) { setCursorLeft(); if( selection != nullptr ) { delete selection; selection = nullptr; } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Right ) { setCursorRight(); if( selection != nullptr ) { delete selection; selection = nullptr; } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Up ) { setCursorUp(); if( selection != nullptr ) { delete selection; selection = nullptr; } } else if( event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Down ) { setCursorDown(); if( selection != nullptr ) { delete selection; selection = nullptr; } } else if( event.type == sf::Event::TextEntered ) { int index = getCursorIndex( cursorPosition ); if( event.text.unicode == 8 ) { if( index > 0 && !text.empty() ) { if( selection == nullptr ||( selection != nullptr && selection->start_index == selection->end_index ) ) { text.erase( index - 1, 1 ); index -= 1; } else { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); } if( selection != nullptr ) { delete selection; selection = nullptr; } } } else if( event.text.unicode == 13 ) { text.insert( index, 1, L'\n' ); index += 1; } else if( event.text.unicode == 9 ) { text.insert( index, 1, L'\t' ); index += 1; } else { wchar_t character = static_cast < wchar_t >( event.text.unicode ); if( character >= 32 && character != 127 ) { if( selection != nullptr && selection->start_index != selection->end_index ) { text.erase( std::min( selection->start_index, selection->end_index ), std::abs( selection->end_index - selection->start_index ) ); index = std::min( selection->start_index, selection->end_index ); delete selection; selection = nullptr; } text.insert( index, 1, character ); index += 1; } } for( auto & t: lines ) delete t; lines = wrap_text( window->getSize().x, text ); cursorPosition = getCursorFromIndex( index ); setCursorPosition( cursorPosition ); } } window->clear( background_color ); if( selection != nullptr ) { selection->draw(); } for( auto & line: lines ) window->draw( * line ); if( std::fmod( currentTime.asSeconds(), 0.6f ) < 0.3f ) window->draw( cursor ); window->display(); } }
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