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VKON / TVision-0.20 / tvision.git / include / tvision / internal / win32con.h 

            

              
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#ifndef WIN32CON_H
#define WIN32CON_H
#include <tvision/tv.h>
#include <compat/windows/windows.h>
#include <internal/termdisp.h>
#include <internal/termio.h>
#include <internal/ansiwrit.h>
namespace tvision
{
bool getWin32Key(const KEY_EVENT_RECORD &, TEvent &, InputState &) noexcept;
void getWin32Mouse(const MOUSE_EVENT_RECORD &, TEvent &, InputState &) noexcept;
#ifdef _WIN32
class ConsoleCtl;
class Win32Input;
class Win32Display;
class Win32ConsoleStrategy final : public ConsoleStrategy
{
    ConsoleCtl &con;
    UINT cpInput, cpOutput;
    Win32ConsoleStrategy( ConsoleCtl &aCon,
                          UINT cpInput, UINT cpOutput,
                          DisplayStrategy &aDisplay,
                          InputStrategy &aInput ) noexcept :
        ConsoleStrategy(aDisplay, aInput, {&aInput}),
        con(aCon),
        cpInput(cpInput),
        cpOutput(cpOutput)
    {
    }
    ~Win32ConsoleStrategy();
    bool isAlive() noexcept override;
    bool setClipboardText(TStringView) noexcept override;
    bool requestClipboardText(void (&)(TStringView)) noexcept override;
public:
    static Win32ConsoleStrategy &create() noexcept;
    static int charWidth(uint32_t) noexcept;
};
class Win32Input final : public InputStrategy
{
    ConsoleCtl &con;
    InputState state;
    bool getEvent(const INPUT_RECORD &, TEvent &ev) noexcept;
    bool getMouseEvent(MOUSE_EVENT_RECORD, TEvent &ev) noexcept;
public:
    // The lifetime of 'con' must exceed that of 'this'.
    Win32Input(ConsoleCtl &aCon) noexcept;
    bool getEvent(TEvent &ev) noexcept override;
    int getButtonCount() noexcept override;
    void cursorOn() noexcept override;
    void cursorOff() noexcept override;
};
class Win32Display : public TerminalDisplay
{
public:
    // The lifetime of 'con' must exceed that of 'this'.
    Win32Display(ConsoleCtl &con, bool useAnsi) noexcept;
    ~Win32Display();
private:
    TPoint size {};
    CONSOLE_FONT_INFO lastFontInfo {};
    AnsiScreenWriter *ansiScreenWriter;
    uchar lastAttr {'\x00'};
    std::vector<char> buf;
protected:
    void reloadScreenInfo() noexcept override;
    TPoint getScreenSize() noexcept override;
    int getCaretSize() noexcept override;
    void clearScreen() noexcept override;
    bool screenChanged() noexcept override;
    int getColorCount() noexcept override;
    void lowlevelWriteChars(TStringView chars, TColorAttr attr) noexcept override;
    void lowlevelMoveCursor(uint x, uint y) noexcept override;
    void lowlevelMoveCursorX(uint x, uint y) noexcept override;
    void lowlevelCursorSize(int size) noexcept override;
    void lowlevelFlush() noexcept override;
};
#endif // _WIN32
} // namespace tvision
#endif // WIN32CON_H