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https://github.com/lihop/godot-xterm.git
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Further progress towards Godot 4.0 support
- Primary example scenes (menu, terminal, and asciicast) working but still a lot of warning/error messages and some regressions. - Editor integrated terminal works, but still a lot of warning/error messages and some regressions. - Added support for "blink" display attribute. - Removed GDScript terminal code. Terminal node is now purely a GDExtension. So is LibuvUtils. - GUT tests not working yet. - Still a lot of things to fix. - So far, only built for and manually tested on Linux x86_64.
This commit is contained in:
Leroy Hopson
parent
aad8e39dae
commit
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30 changed files with 1385 additions and 1459 deletions
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// SPDX-FileCopyrightText: 2021-2022 Leroy Hopson <godot-xterm@leroy.geek.nz>
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// SPDX-FileCopyrightText: 2021-2023 Leroy Hopson <godot-xterm@leroy.geek.nz>
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// SPDX-License-Identifier: MIT
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#ifndef TERMINAL_H
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#define TERMINAL_H
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#ifndef GODOT_XTERM_TERMINAL_H
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#define GODOT_XTERM_TERMINAL_H
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#include <godot_cpp/classes/control.hpp>
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#include <godot_cpp/classes/font.hpp>
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#include <godot_cpp/classes/input_event.hpp>
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#include <godot_cpp/classes/input_event_key.hpp>
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#include <godot_cpp/classes/input_event_mouse.hpp>
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#include <godot_cpp/classes/input_event_mouse_button.hpp>
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#include <godot_cpp/classes/sub_viewport.hpp>
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#include <godot_cpp/classes/texture_rect.hpp>
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#include <godot_cpp/classes/timer.hpp>
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#include <godot_cpp/variant/packed_byte_array.hpp>
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#include <libtsm.h>
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#include <map>
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#include <vector>
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namespace godot {
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using namespace godot;
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class Terminal : public Control {
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GDCLASS(Terminal, Control)
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public:
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Ref<InputEventKey> input_event_key;
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protected:
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static void _bind_methods();
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tsm_screen *screen;
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tsm_vte *vte;
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private:
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static const uint8_t default_color_palette[TSM_COLOR_NUM][3];
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static std::map<std::pair<int64_t, int64_t>, int> _key_list;
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static void _populate_key_list();
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static uint32_t mapkey(std::pair<int64_t, int64_t> key);
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std::map<int, Color> palette = {};
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std::map<String, Ref<Font>> fontmap = {};
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void update_size();
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void update_theme();
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public:
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std::pair<Color, Color> get_cell_colors(const tsm_screen_attr *attr);
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void draw_background(int row, int col, Color bgcol, int width);
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void draw_foreground(int row, int col, char *ch, const tsm_screen_attr *attr,
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Color fgcol);
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public:
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Terminal();
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~Terminal();
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void _ready();
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void _notification(int what);
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void _gui_input(Variant event);
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void _draw();
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void write(PackedByteArray data);
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void sb_up(int num);
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void sb_down(int num);
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void sb_reset();
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void clear_sb();
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void start_selection(Vector2 position);
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void select_to_pointer(Vector2 position);
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void reset_selection();
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String copy_selection();
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String copy_all();
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enum UpdateMode {
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DISABLED,
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AUTO,
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ALL,
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ALL_NEXT_FRAME,
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};
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int update_mode = UpdateMode::AUTO;
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int get_update_mode();
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void set_update_mode(int update_mode);
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static const UpdateMode UPDATE_MODE_DISABLED = UpdateMode::DISABLED;
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static const UpdateMode UPDATE_MODE_AUTO = UpdateMode::AUTO;
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static const UpdateMode UPDATE_MODE_ALL = UpdateMode::ALL;
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static const UpdateMode UPDATE_MODE_ALL_NEXT_FRAME =
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UpdateMode::ALL_NEXT_FRAME;
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bool copy_on_selection = false;
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void set_copy_on_selection(bool value);
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bool get_copy_on_selection();
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UpdateMode update_mode = UPDATE_MODE_AUTO;
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void set_update_mode(UpdateMode value);
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UpdateMode get_update_mode();
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double bell_cooldown = 0.1f;
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void set_bell_cooldown(double value);
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double get_bell_cooldown();
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bool bell_muted = false;
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void set_bell_muted(bool value);
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bool get_bell_muted();
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bool blink_enabled = true;
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void set_blink_enabled(bool value);
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bool get_blink_enabled();
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double blink_time_on = 0.6;
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void set_blink_time_on(double value);
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double get_blink_time_on();
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double blink_time_off = 0.3;
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void set_blink_time_off(double value);
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double get_blink_time_off();
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void clear();
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String copy_all();
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String copy_selection();
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int get_cols();
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int get_rows();
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void write(Variant data);
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void _gui_input(Ref<InputEvent> event);
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void _notification(int what);
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void _flush();
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void _on_back_buffer_draw();
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void _on_selection_held();
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void _toggle_blink();
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protected:
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static void _bind_methods();
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private:
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struct ColorDef {
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const char *default_color;
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tsm_vte_color tsm_color;
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};
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struct ThemeCache {
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int font_size = 0;
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std::map<String, Ref<Font>> fonts = std::map<String, Ref<Font>>{};
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std::map<String, Color> colors = std::map<String, Color>{};
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} theme_cache;
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typedef std::map<const char *, ColorDef> ColorMap;
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typedef std::pair<Color, Color> ColorPair;
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typedef std::map<const char *, const char *> FontMap;
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typedef std::map<std::pair<Key, char32_t>, uint32_t> KeyMap;
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static const KeyMap KEY_MAP;
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static const ColorMap COLORS;
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static const FontMap FONTS;
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enum SelectionMode { NONE, POINTER };
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Control *back_buffer = new Control();
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SubViewport *sub_viewport = new SubViewport();
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TextureRect *front_buffer = new TextureRect();
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Timer *bell_timer = new Timer();
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Timer *blink_timer = new Timer();
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Timer *selection_timer = new Timer();
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tsm_screen *screen;
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tsm_vte *vte;
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Array write_buffer = Array();
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int cols = 80;
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int rows = 24;
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// Whether blinking characters are visible. Not whether blinking is enabled
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// which is determined by `blink_enabled`.
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bool blink_on = true;
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Vector2 cell_size = Vector2(0, 0);
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Vector2 get_cell_size();
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int rows = 24;
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int get_rows();
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int cols = 80;
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int get_cols();
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uint8_t color_palette[TSM_COLOR_NUM][3];
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std::map<int, Color> palette = {};
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tsm_age_t framebuffer_age;
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};
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} // namespace godot
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#endif // TERMINAL_H
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Ref<InputEventKey> last_input_event_key;
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bool selecting = false;
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SelectionMode selection_mode = SelectionMode::NONE;
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static void _bell_cb(tsm_vte *vte, void *data);
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static int _text_draw_cb(tsm_screen *con, uint64_t id, const uint32_t *ch,
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size_t len, unsigned int width, unsigned int col,
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unsigned int row, const tsm_screen_attr *attr,
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tsm_age_t age, void *data);
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static void _write_cb(tsm_vte *vte, const char *u8, size_t len, void *data);
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void _draw_background(int row, int col, Color bgcol, int width);
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void _draw_foreground(int row, int col, char *ch, const tsm_screen_attr *attr,
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Color fgcol);
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ColorPair _get_cell_colors(const tsm_screen_attr *attr);
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void _handle_key_input(Ref<InputEventKey> event);
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void _handle_mouse_wheel(Ref<InputEventMouseButton> event);
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void _handle_selection(Ref<InputEventMouse> event);
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void _recalculate_size();
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void _refresh();
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void _update_theme_item_cache();
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};
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VARIANT_ENUM_CAST(Terminal, UpdateMode);
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#endif // GODOT_XTERM_TERMINAL_H
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