mirror of
https://github.com/kunkundi/crossdesk.git
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78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-10-30
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#ifndef _TERMINAL_RENDERER_H_
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#define _TERMINAL_RENDERER_H_
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#include <controller_session.h>
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namespace crossdesk::terminal {
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enum class AnsiDetail { Half, Quadrant };
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struct Viewport {
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int columns = 80, rows = 23;
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double cell_aspect = .5;
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bool utf8 = true;
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int colors = 24;
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AnsiDetail detail = AnsiDetail::Half;
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double zoom = 1, center_x = .5, center_y = .5;
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int pixel_width = 0, pixel_height = 0;
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bool native = false, pixel_mode = false;
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};
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struct Rect {
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int x, y, width, height;
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};
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struct Cell {
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uint32_t top = 0, bottom = 0;
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uint32_t glyph = 0x2580;
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bool operator==(const Cell &other) const {
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return top == other.top && bottom == other.bottom && glyph == other.glyph;
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}
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};
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struct Grid {
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Viewport viewport;
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Rect content{};
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std::vector<Cell> cells;
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Rect source{};
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unsigned source_width = 0, source_height = 0;
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int samples_x = 1, samples_y = 2;
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};
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Rect Fit(int width, int height, int columns, int pixel_rows,
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double pixel_aspect = 1);
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Grid Layout(const DecodedFrame &, Viewport);
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Grid Convert(const DecodedFrame &, Viewport);
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std::optional<std::pair<float, float>> MapPointer(const Grid &, int column,
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int row);
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std::vector<std::string> Lines(const Grid &);
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std::string Difference(const Grid &, const std::optional<Grid> &previous);
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std::string Kitty(const DecodedFrame &, const Viewport &);
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inline constexpr char kKittyQuery[] =
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"\033_Gi=31,s=1,v=1,a=q,t=d,f=24;AAAA\033\\";
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inline constexpr char kKittyDelete[] = "\033_Ga=d,d=I,i=31,q=2\033\\";
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bool KittyReply(const std::string &response);
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// Incremental parser: protocol replies and unknown escapes are consumed
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// locally. Key taps always release immediately; paste uses the UTF-8 text
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// protocol. In command_mode, control records the mode to restore while the
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// session's remote input is suspended.
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class Input {
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public:
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void Feed(const std::string &bytes, ControllerSession &, const Grid *grid);
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bool exit = false, control = false, native = false, command_mode = false;
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std::string error;
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double zoom = 1, center_x = .5, center_y = .5;
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uint64_t view_revision = 0;
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private:
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std::string pending_;
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std::chrono::steady_clock::time_point last_input_{};
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bool pasting_ = false;
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float pointer_x_ = .5f, pointer_y_ = .5f;
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void Tap(ControllerSession &, int key, int modifier = 0);
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bool LocalKey(int key, ControllerSession &, const Grid *);
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void Navigate(char key, const Grid *);
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};
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} // namespace crossdesk::terminal
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#endif
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