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Reorder methods

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This commit is contained in:
Leroy Hopson 2023-01-21 10:37:26 +13:00
parent 754a20b1c3
commit 9c7c5e1c17
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GPG key ID: D2747312A6DB51AA
2 changed files with 231 additions and 230 deletions
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452
addons/godot_xterm/native/src/terminal.cpp
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@ -21,6 +21,81 @@
using namespace godot; using namespace godot;
Terminal::Terminal() {
// Ensure we write to terminal before the frame is drawn. Otherwise, the
// terminal state may be updated but not drawn until it is updated again,
// which may not happen for some time.
RenderingServer::get_singleton()->connect("frame_pre_draw",
Callable(this, "_flush"));
// Override default focus mode.
set_focus_mode(FOCUS_ALL);
// Name our nodes for easier debugging.
back_buffer->set_name("BackBuffer");
sub_viewport->set_name("SubViewport");
front_buffer->set_name("FrontBuffer");
// Ensure buffers always have correct size.
back_buffer->set_anchors_preset(LayoutPreset::PRESET_FULL_RECT);
front_buffer->set_anchors_preset(LayoutPreset::PRESET_FULL_RECT);
// Setup back buffer.
back_buffer->connect("draw", Callable(this, "_on_back_buffer_draw"));
// Setup sub viewport.
sub_viewport->set_handle_input_locally(false);
sub_viewport->set_transparent_background(true);
sub_viewport->set_snap_controls_to_pixels(false);
sub_viewport->set_update_mode(SubViewport::UPDATE_WHEN_PARENT_VISIBLE);
sub_viewport->set_clear_mode(SubViewport::CLEAR_MODE_NEVER);
sub_viewport->add_child(back_buffer);
add_child(sub_viewport);
// Setup bell timer.
bell_timer->set_name("BellTimer");
bell_timer->set_one_shot(true);
add_child(bell_timer);
// Setup blink timer.
blink_timer->set_name("BlinkTimer");
blink_timer->set_one_shot(true);
blink_timer->connect("timeout", Callable(this, "_toggle_blink"));
add_child(blink_timer);
// Setup selection timer.
selection_timer->set_name("SelectionTimer");
selection_timer->set_wait_time(0.05);
selection_timer->connect("timeout", Callable(this, "_on_selection_held"));
add_child(selection_timer);
// Setup front buffer.
front_buffer->set_texture(sub_viewport->get_texture());
add_child(front_buffer);
framebuffer_age = 0;
update_mode = UpdateMode::AUTO;
if (tsm_screen_new(&screen, NULL, NULL)) {
ERR_PRINT("Error creating new tsm screen.");
}
tsm_screen_set_max_sb(screen, 1000);
if (tsm_vte_new(&vte, screen, &Terminal::_write_cb, this, NULL, NULL)) {
ERR_PRINT("Error creating new tsm vte.");
}
tsm_vte_set_bell_cb(vte, &Terminal::_bell_cb, this);
_update_theme_item_cache();
}
Terminal::~Terminal() {
back_buffer->queue_free();
sub_viewport->queue_free();
front_buffer->queue_free();
}
void Terminal::set_copy_on_selection(bool value) { copy_on_selection = value; } void Terminal::set_copy_on_selection(bool value) { copy_on_selection = value; }
bool Terminal::get_copy_on_selection() { return copy_on_selection; } bool Terminal::get_copy_on_selection() { return copy_on_selection; }
@ -28,6 +103,7 @@ bool Terminal::get_copy_on_selection() { return copy_on_selection; }
void Terminal::set_update_mode(Terminal::UpdateMode value) { void Terminal::set_update_mode(Terminal::UpdateMode value) {
update_mode = value; update_mode = value;
}; };
Terminal::UpdateMode Terminal::get_update_mode() { return update_mode; } Terminal::UpdateMode Terminal::get_update_mode() { return update_mode; }
void Terminal::set_bell_cooldown(double value) { bell_cooldown = value; } void Terminal::set_bell_cooldown(double value) { bell_cooldown = value; }
@ -114,6 +190,79 @@ void Terminal::write(Variant data) {
queue_redraw(); queue_redraw();
} }
void Terminal::_gui_input(Ref<InputEvent> event) {
_handle_key_input(event);
_handle_selection(event);
_handle_mouse_wheel(event);
}
void Terminal::_notification(int what) {
switch (what) {
case NOTIFICATION_RESIZED:
_recalculate_size();
sub_viewport->set_size(get_size());
_refresh();
break;
case NOTIFICATION_THEME_CHANGED:
_update_theme_item_cache();
_refresh();
break;
}
}
void Terminal::_flush() {
if (write_buffer.is_empty())
return;
for (int i = 0; i < write_buffer.size(); i++) {
PackedByteArray data = static_cast<PackedByteArray>(write_buffer[i]);
tsm_vte_input(vte, (char *)data.ptr(), data.size());
}
write_buffer.clear();
back_buffer->queue_redraw();
}
void Terminal::_on_back_buffer_draw() {
if (update_mode == UpdateMode::DISABLED) {
return;
}
if ((update_mode > UpdateMode::AUTO) || framebuffer_age == 0) {
Color background_color = palette[TSM_COLOR_BACKGROUND];
back_buffer->draw_rect(back_buffer->get_rect(), background_color);
}
int prev_framebuffer_age = framebuffer_age;
framebuffer_age = tsm_screen_draw(screen, &Terminal::_text_draw_cb, this);
if (update_mode == UpdateMode::ALL_NEXT_FRAME && prev_framebuffer_age != 0)
update_mode = UpdateMode::AUTO;
}
void Terminal::_on_selection_held() {
if (!(Input::get_singleton()->is_mouse_button_pressed(MOUSE_BUTTON_LEFT)) ||
selection_mode == SelectionMode::NONE) {
if (copy_on_selection)
DisplayServer::get_singleton()->clipboard_set_primary(copy_selection());
selection_timer->stop();
return;
}
Vector2 target = get_local_mouse_position() / cell_size;
tsm_screen_selection_target(screen, target.x, target.y);
back_buffer->queue_redraw();
selection_timer->start();
}
void Terminal::_toggle_blink() {
if (blink_enabled) {
blink_on = !blink_on;
_refresh();
}
}
void Terminal::_bind_methods() { void Terminal::_bind_methods() {
// Properties. // Properties.
ClassDB::bind_method(D_METHOD("set_copy_on_selection", "value"), ClassDB::bind_method(D_METHOD("set_copy_on_selection", "value"),
@ -194,23 +343,14 @@ void Terminal::_bind_methods() {
ClassDB::bind_method(D_METHOD("_toggle_blink"), &Terminal::_toggle_blink); ClassDB::bind_method(D_METHOD("_toggle_blink"), &Terminal::_toggle_blink);
} }
void Terminal::_write_cb(tsm_vte *vte, const char *u8, size_t len, void *data) { void Terminal::_bell_cb(tsm_vte *vte, void *data) {
Terminal *term = static_cast<Terminal *>(data); Terminal *term = static_cast<Terminal *>(data);
PackedByteArray bytes; if (!term->bell_muted && term->bell_cooldown == 0 ||
bytes.resize(len); term->bell_timer->get_time_left() == 0) {
{ memcpy(bytes.ptrw(), u8, len); } term->emit_signal("bell");
if (term->bell_cooldown > 0)
if (len > 0) { term->bell_timer->start(term->bell_cooldown);
if (term->last_input_event_key.is_valid()) {
// The callback was fired from a key press event so emit the "key_pressed"
// signal.
term->emit_signal("key_pressed", bytes.get_string_from_utf8(),
term->last_input_event_key);
term->last_input_event_key.unref();
}
term->emit_signal("data_sent", bytes);
} }
} }
@ -244,108 +384,26 @@ int Terminal::_text_draw_cb(tsm_screen *con, uint64_t id, const uint32_t *ch,
return 0; return 0;
} }
Terminal::Terminal() { void Terminal::_write_cb(tsm_vte *vte, const char *u8, size_t len, void *data) {
// Ensure we write to terminal before the frame is drawn. Otherwise, the Terminal *term = static_cast<Terminal *>(data);
// terminal state may be updated but not drawn until it is updated again,
// which may not happen for some time.
RenderingServer::get_singleton()->connect("frame_pre_draw",
Callable(this, "_flush"));
// Override default focus mode. PackedByteArray bytes;
set_focus_mode(FOCUS_ALL); bytes.resize(len);
{ memcpy(bytes.ptrw(), u8, len); }
// Name our nodes for easier debugging. if (len > 0) {
back_buffer->set_name("BackBuffer"); if (term->last_input_event_key.is_valid()) {
sub_viewport->set_name("SubViewport"); // The callback was fired from a key press event so emit the "key_pressed"
front_buffer->set_name("FrontBuffer"); // signal.
term->emit_signal("key_pressed", bytes.get_string_from_utf8(),
term->last_input_event_key);
term->last_input_event_key.unref();
}
// Ensure buffers always have correct size. term->emit_signal("data_sent", bytes);
back_buffer->set_anchors_preset(LayoutPreset::PRESET_FULL_RECT);
front_buffer->set_anchors_preset(LayoutPreset::PRESET_FULL_RECT);
// Setup back buffer.
back_buffer->connect("draw", Callable(this, "_on_back_buffer_draw"));
// Setup sub viewport.
sub_viewport->set_handle_input_locally(false);
sub_viewport->set_transparent_background(true);
sub_viewport->set_snap_controls_to_pixels(false);
sub_viewport->set_update_mode(SubViewport::UPDATE_WHEN_PARENT_VISIBLE);
sub_viewport->set_clear_mode(SubViewport::CLEAR_MODE_NEVER);
sub_viewport->add_child(back_buffer);
add_child(sub_viewport);
// Setup bell timer.
bell_timer->set_name("BellTimer");
bell_timer->set_one_shot(true);
add_child(bell_timer);
// Setup blink timer.
blink_timer->set_name("BlinkTimer");
blink_timer->set_one_shot(true);
blink_timer->connect("timeout", Callable(this, "_toggle_blink"));
add_child(blink_timer);
// Setup selection timer.
selection_timer->set_name("SelectionTimer");
selection_timer->set_wait_time(0.05);
selection_timer->connect("timeout", Callable(this, "_on_selection_held"));
add_child(selection_timer);
// Setup front buffer.
front_buffer->set_texture(sub_viewport->get_texture());
add_child(front_buffer);
framebuffer_age = 0;
update_mode = UpdateMode::AUTO;
if (tsm_screen_new(&screen, NULL, NULL)) {
ERR_PRINT("Error creating new tsm screen.");
}
tsm_screen_set_max_sb(screen, 1000);
if (tsm_vte_new(&vte, screen, &Terminal::_write_cb, this, NULL, NULL)) {
ERR_PRINT("Error creating new tsm vte.");
}
tsm_vte_set_bell_cb(vte, &Terminal::_bell_cb, this);
_update_theme_item_cache();
}
Terminal::~Terminal() {
back_buffer->queue_free();
sub_viewport->queue_free();
front_buffer->queue_free();
}
void Terminal::_refresh() {
back_buffer->queue_redraw();
front_buffer->queue_redraw();
if (update_mode == UpdateMode::AUTO)
update_mode = UpdateMode::ALL_NEXT_FRAME;
}
void Terminal::_notification(int what) {
switch (what) {
case NOTIFICATION_RESIZED:
_recalculate_size();
sub_viewport->set_size(get_size());
_refresh();
break;
case NOTIFICATION_THEME_CHANGED:
_update_theme_item_cache();
_refresh();
break;
} }
} }
void Terminal::_gui_input(Ref<InputEvent> event) {
_handle_key_input(event);
_handle_selection(event);
_handle_mouse_wheel(event);
}
void Terminal::_draw_background(int row, int col, Color bgcolor, void Terminal::_draw_background(int row, int col, Color bgcolor,
int width = 1) { int width = 1) {
/* Draw the background */ /* Draw the background */
@ -419,120 +477,6 @@ Terminal::ColorPair Terminal::_get_cell_colors(const tsm_screen_attr *attr) {
return std::make_pair(bgcol, fgcol); return std::make_pair(bgcol, fgcol);
} }
void Terminal::_update_theme_item_cache() {
// Fonts.
for (std::map<const char *, const char *>::const_iterator iter =
Terminal::FONTS.begin();
iter != Terminal::FONTS.end(); ++iter) {
String name = iter->first;
Ref<Font> font = has_theme_font_override(name) ? get_theme_font(name)
: has_theme_font(name, "Terminal")
? get_theme_font(name, "Terminal")
: ThemeDB::get_singleton()->get_fallback_font();
theme_cache.fonts[name] = font;
}
// Font size.
theme_cache.font_size =
has_theme_font_size_override("font_size")
? get_theme_font_size("font_size")
: has_theme_font_size("font_size", "Terminal")
? get_theme_font_size("font_size", "Terminal")
: ThemeDB::get_singleton()->get_fallback_font_size();
// Colors.
uint8_t custom_palette[TSM_COLOR_NUM][3];
for (ColorMap::const_iterator iter = Terminal::COLORS.begin();
iter != Terminal::COLORS.end(); ++iter) {
String name = iter->first;
Color color = has_theme_color_override(name) ? get_theme_color(name)
: has_theme_color(name, "Terminal")
? get_theme_color(name, "Terminal")
: color = Color::html(iter->second.default_color);
theme_cache.colors[name] = color;
palette[iter->second.tsm_color] = color;
custom_palette[iter->second.tsm_color][0] = color.get_r8();
custom_palette[iter->second.tsm_color][1] = color.get_g8();
custom_palette[iter->second.tsm_color][2] = color.get_b8();
}
if (tsm_vte_set_custom_palette(vte, custom_palette))
ERR_PRINT("Error setting custom palette.");
if (tsm_vte_set_palette(vte, "custom"))
ERR_PRINT("Error setting palette to custom palette.");
_recalculate_size();
}
void Terminal::_flush() {
if (write_buffer.is_empty())
return;
for (int i = 0; i < write_buffer.size(); i++) {
PackedByteArray data = static_cast<PackedByteArray>(write_buffer[i]);
tsm_vte_input(vte, (char *)data.ptr(), data.size());
}
write_buffer.clear();
back_buffer->queue_redraw();
}
void Terminal::_on_back_buffer_draw() {
if (update_mode == UpdateMode::DISABLED) {
return;
}
if ((update_mode > UpdateMode::AUTO) || framebuffer_age == 0) {
Color background_color = palette[TSM_COLOR_BACKGROUND];
back_buffer->draw_rect(back_buffer->get_rect(), background_color);
}
int prev_framebuffer_age = framebuffer_age;
framebuffer_age = tsm_screen_draw(screen, &Terminal::_text_draw_cb, this);
if (update_mode == UpdateMode::ALL_NEXT_FRAME && prev_framebuffer_age != 0)
update_mode = UpdateMode::AUTO;
}
void Terminal::_toggle_blink() {
if (blink_enabled) {
blink_on = !blink_on;
_refresh();
}
}
void Terminal::_on_selection_held() {
if (!(Input::get_singleton()->is_mouse_button_pressed(MOUSE_BUTTON_LEFT)) ||
selection_mode == SelectionMode::NONE) {
if (copy_on_selection)
DisplayServer::get_singleton()->clipboard_set_primary(copy_selection());
selection_timer->stop();
return;
}
Vector2 target = get_local_mouse_position() / cell_size;
tsm_screen_selection_target(screen, target.x, target.y);
back_buffer->queue_redraw();
selection_timer->start();
}
void Terminal::_bell_cb(tsm_vte *vte, void *data) {
Terminal *term = static_cast<Terminal *>(data);
if (!term->bell_muted && term->bell_cooldown == 0 ||
term->bell_timer->get_time_left() == 0) {
term->emit_signal("bell");
if (term->bell_cooldown > 0)
term->bell_timer->start(term->bell_cooldown);
}
}
void Terminal::_handle_key_input(Ref<InputEventKey> event) { void Terminal::_handle_key_input(Ref<InputEventKey> event) {
if (!event.is_valid() || !event->is_pressed()) if (!event.is_valid() || !event->is_pressed())
return; return;
@ -649,3 +593,61 @@ void Terminal::_recalculate_size() {
emit_signal("size_changed", Vector2(cols, rows)); emit_signal("size_changed", Vector2(cols, rows));
} }
void Terminal::_refresh() {
back_buffer->queue_redraw();
front_buffer->queue_redraw();
if (update_mode == UpdateMode::AUTO)
update_mode = UpdateMode::ALL_NEXT_FRAME;
}
void Terminal::_update_theme_item_cache() {
// Fonts.
for (std::map<const char *, const char *>::const_iterator iter =
Terminal::FONTS.begin();
iter != Terminal::FONTS.end(); ++iter) {
String name = iter->first;
Ref<Font> font = has_theme_font_override(name) ? get_theme_font(name)
: has_theme_font(name, "Terminal")
? get_theme_font(name, "Terminal")
: ThemeDB::get_singleton()->get_fallback_font();
theme_cache.fonts[name] = font;
}
// Font size.
theme_cache.font_size =
has_theme_font_size_override("font_size")
? get_theme_font_size("font_size")
: has_theme_font_size("font_size", "Terminal")
? get_theme_font_size("font_size", "Terminal")
: ThemeDB::get_singleton()->get_fallback_font_size();
// Colors.
uint8_t custom_palette[TSM_COLOR_NUM][3];
for (ColorMap::const_iterator iter = Terminal::COLORS.begin();
iter != Terminal::COLORS.end(); ++iter) {
String name = iter->first;
Color color = has_theme_color_override(name) ? get_theme_color(name)
: has_theme_color(name, "Terminal")
? get_theme_color(name, "Terminal")
: color = Color::html(iter->second.default_color);
theme_cache.colors[name] = color;
palette[iter->second.tsm_color] = color;
custom_palette[iter->second.tsm_color][0] = color.get_r8();
custom_palette[iter->second.tsm_color][1] = color.get_g8();
custom_palette[iter->second.tsm_color][2] = color.get_b8();
}
if (tsm_vte_set_custom_palette(vte, custom_palette))
ERR_PRINT("Error setting custom palette.");
if (tsm_vte_set_palette(vte, "custom"))
ERR_PRINT("Error setting palette to custom palette.");
_recalculate_size();
}

9
addons/godot_xterm/native/src/terminal.h
View file

@ -60,14 +60,14 @@ public:
void set_blink_enabled(bool value); void set_blink_enabled(bool value);
bool get_blink_enabled(); bool get_blink_enabled();
double blink_time_on = 0.6;
void set_blink_time_on(double value);
double get_blink_time_on();
double blink_time_off = 0.3; double blink_time_off = 0.3;
void set_blink_time_off(double value); void set_blink_time_off(double value);
double get_blink_time_off(); double get_blink_time_off();
double blink_time_on = 0.6;
void set_blink_time_on(double value);
double get_blink_time_on();
void clear(); void clear();
String copy_all(); String copy_all();
String copy_selection(); String copy_selection();
@ -151,7 +151,6 @@ private:
void _draw_foreground(int row, int col, char *ch, const tsm_screen_attr *attr, void _draw_foreground(int row, int col, char *ch, const tsm_screen_attr *attr,
Color fgcol); Color fgcol);
ColorPair _get_cell_colors(const tsm_screen_attr *attr); ColorPair _get_cell_colors(const tsm_screen_attr *attr);
void _handle_key_input(Ref<InputEventKey> event); void _handle_key_input(Ref<InputEventKey> event);
void _handle_mouse_wheel(Ref<InputEventMouseButton> event); void _handle_mouse_wheel(Ref<InputEventMouseButton> event);
void _handle_selection(Ref<InputEventMouse> event); void _handle_selection(Ref<InputEventMouse> event);