application.h

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#pragma once
 
#include <chrono>
#include <promeki/core/namespace.h>
#include <promeki/core/application.h>
#include <promeki/core/terminal.h>
#include <promeki/core/point.h>
#include <promeki/core/eventloop.h>
#include <promeki/tui/screen.h>
#include <promeki/tui/palette.h>
#include <promeki/tui/inputparser.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class TuiWidget;
 
class TuiApplication : public Application {
        public:
                TuiApplication(int argc, char **argv);
 
                ~TuiApplication();
 
                TuiApplication(const TuiApplication &) = delete;
                TuiApplication &operator=(const TuiApplication &) = delete;
 
                static TuiApplication *instance() { return _instance; }
 
                void setRootWidget(TuiWidget *widget);
 
                TuiWidget *rootWidget() const { return _rootWidget; }
 
                TuiScreen &screen() { return _screen; }
 
                Terminal &terminal() { return _terminal; }
 
                const TuiPalette &palette() const { return _palette; }
 
                TuiPalette &palette() { return _palette; }
 
                void setPalette(const TuiPalette &palette) { _palette = palette; }
 
                int exec();
 
                void quit(int exitCode = 0);
 
                void setColorMode(Terminal::ColorSupport mode) {
                        _screen.setColorMode(mode);
                        updateAll();
                }
 
                Terminal::ColorSupport colorMode() const { return _screen.colorMode(); }
 
                void updateAll();
 
                void setFocusWidget(TuiWidget *widget);
 
                TuiWidget *focusWidget() const { return _focusWidget; }
 
                void focusNext(bool reverse = false);
 
                void markNeedsRepaint();
 
                void grabMouse(TuiWidget *widget) { _mouseGrab = widget; }
 
                void releaseMouse() { _mouseGrab = nullptr; }
 
        private:
                static TuiApplication  *_instance;
 
                EventLoop               _eventLoop;
                Terminal                _terminal;
                TuiScreen               _screen;
                TuiPalette              _palette;
                TuiInputParser          _inputParser;
                AnsiStream              _ansiStream;
                TuiWidget               *_rootWidget = nullptr;
                TuiWidget               *_focusWidget = nullptr;
                TuiWidget               *_mouseGrab = nullptr;
                int                     _exitCode = 0;
                bool                    _running = false;
                bool                    _needsRepaint = true;
                int                     _lastCols = 0;
                int                     _lastRows = 0;
 
                // Double-click detection state
                using Clock = std::chrono::steady_clock;
                using TimePoint = Clock::time_point;
                static constexpr int    DoubleClickIntervalMs = 400;
                TimePoint               _lastClickTime{};
                Point2Di32                 _lastClickPos{-1, -1};
                MouseEvent::Button      _lastClickButton = MouseEvent::NoButton;
 
                void processInput();
                void paintWidgets();
                void paintWidget(TuiWidget *widget);
                void handleResize();
                void dispatchKeyEvent(const TuiInputParser::ParsedEvent &ev);
                void dispatchMouseEvent(const TuiInputParser::ParsedEvent &ev);
                void collectFocusable(TuiWidget *widget, List<TuiWidget *> &list);
                TuiWidget *widgetAt(TuiWidget *widget, const Point2Di32 &globalPos);
};
 
PROMEKI_NAMESPACE_END