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CodeEdit: improve render speed

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This commit is contained in:
rune-scape
2024-08-11 18:58:26 -07:00
parent 40b378e9e2
commit 60fa3ec4d4
4 changed files with 356 additions and 244 deletions
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95
scene/gui/code_edit.cpp
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@@ -40,8 +40,18 @@ void CodeEdit::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_THEME_CHANGED: {
set_gutter_width(main_gutter, get_line_height());
set_gutter_width(line_number_gutter, (line_number_digits + 1) * theme_cache.font->get_char_size('0', theme_cache.font_size).width);
_update_line_number_gutter_width();
set_gutter_width(fold_gutter, get_line_height() / 1.2);
_clear_line_number_text_cache();
} break;
case NOTIFICATION_TRANSLATION_CHANGED:
[[fallthrough]];
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
[[fallthrough]];
case NOTIFICATION_VISIBILITY_CHANGED: {
// Avoid having many hidden text editors with unused cache filling up memory.
_clear_line_number_text_cache();
} break;
case NOTIFICATION_DRAW: {
@@ -1287,9 +1297,9 @@ bool CodeEdit::is_drawing_executing_lines_gutter() const {
}
void CodeEdit::_main_gutter_draw_callback(int p_line, int p_gutter, const Rect2 &p_region) {
bool hovering = get_hovered_gutter() == Vector2i(main_gutter, p_line);
if (draw_breakpoints && theme_cache.breakpoint_icon.is_valid()) {
bool breakpointed = is_line_breakpointed(p_line);
bool hovering = p_region.has_point(get_local_mouse_pos());
bool shift_pressed = Input::get_singleton()->is_key_pressed(Key::SHIFT);
if (breakpointed || (hovering && !is_dragging_cursor() && !shift_pressed)) {
@@ -1308,7 +1318,6 @@ void CodeEdit::_main_gutter_draw_callback(int p_line, int p_gutter, const Rect2
if (draw_bookmarks && theme_cache.bookmark_icon.is_valid()) {
bool bookmarked = is_line_bookmarked(p_line);
bool hovering = p_region.has_point(get_local_mouse_pos());
bool shift_pressed = Input::get_singleton()->is_key_pressed(Key::SHIFT);
if (bookmarked || (hovering && !is_dragging_cursor() && shift_pressed)) {
@@ -1442,7 +1451,13 @@ bool CodeEdit::is_draw_line_numbers_enabled() const {
}
void CodeEdit::set_line_numbers_zero_padded(bool p_zero_padded) {
p_zero_padded ? line_number_padding = "0" : line_number_padding = " ";
String new_line_number_padding = p_zero_padded ? "0" : " ";
if (line_number_padding == new_line_number_padding) {
return;
}
line_number_padding = new_line_number_padding;
_clear_line_number_text_cache();
queue_redraw();
}
@@ -1451,19 +1466,55 @@ bool CodeEdit::is_line_numbers_zero_padded() const {
}
void CodeEdit::_line_number_draw_callback(int p_line, int p_gutter, const Rect2 &p_region) {
String fc = String::num(p_line + 1).lpad(line_number_digits, line_number_padding);
if (is_localizing_numeral_system()) {
fc = TS->format_number(fc);
if (!Rect2(Vector2(0, 0), get_size()).intersects(p_region)) {
return;
}
Ref<TextLine> tl;
tl.instantiate();
tl->add_string(fc, theme_cache.font, theme_cache.font_size);
int yofs = p_region.position.y + (get_line_height() - tl->get_size().y) / 2;
bool rtl = is_layout_rtl();
HashMap<int, RID>::Iterator E = line_number_text_cache.find(p_line);
RID text_rid;
if (E) {
text_rid = E->value;
} else {
String fc = String::num(p_line + 1).lpad(line_number_digits, line_number_padding);
if (is_localizing_numeral_system()) {
fc = TS->format_number(fc);
}
text_rid = TS->create_shaped_text();
if (theme_cache.font.is_valid()) {
TS->shaped_text_add_string(text_rid, fc, theme_cache.font->get_rids(), theme_cache.font_size, theme_cache.font->get_opentype_features());
}
line_number_text_cache.insert(p_line, text_rid);
}
Size2 text_size = TS->shaped_text_get_size(text_rid);
Point2 ofs = p_region.get_center() - text_size / 2;
ofs.y += TS->shaped_text_get_ascent(text_rid);
if (rtl) {
ofs.x = p_region.position.x;
} else {
ofs.x = p_region.get_end().x - text_size.width;
}
Color number_color = get_line_gutter_item_color(p_line, line_number_gutter);
if (number_color == Color(1, 1, 1)) {
number_color = theme_cache.line_number_color;
}
tl->draw(get_canvas_item(), Point2(p_region.position.x, yofs), number_color);
TS->shaped_text_draw(text_rid, get_canvas_item(), ofs, -1, -1, number_color);
}
void CodeEdit::_clear_line_number_text_cache() {
for (const KeyValue<int, RID> &KV : line_number_text_cache) {
TS->free_rid(KV.value);
}
line_number_text_cache.clear();
}
void CodeEdit::_update_line_number_gutter_width() {
set_gutter_width(line_number_gutter, (line_number_digits + 1) * theme_cache.font->get_char_size('0', theme_cache.font_size).width);
}
/* Fold Gutter */
@@ -1983,12 +2034,18 @@ Point2 CodeEdit::get_delimiter_end_position(int p_line, int p_column) const {
/* Code hint */
void CodeEdit::set_code_hint(const String &p_hint) {
if (code_hint == p_hint) {
return;
}
code_hint = p_hint;
code_hint_xpos = -0xFFFF;
queue_redraw();
}
void CodeEdit::set_code_hint_draw_below(bool p_below) {
if (code_hint_draw_below == p_below) {
return;
}
code_hint_draw_below = p_below;
queue_redraw();
}
@@ -3609,16 +3666,13 @@ void CodeEdit::_text_changed() {
}
int lc = get_line_count();
line_number_digits = 1;
while (lc /= 10) {
line_number_digits++;
int new_line_number_digits = log10l(lc) + 1;
if (line_number_digits != new_line_number_digits) {
_clear_line_number_text_cache();
}
line_number_digits = new_line_number_digits;
_update_line_number_gutter_width();
if (theme_cache.font.is_valid()) {
set_gutter_width(line_number_gutter, (line_number_digits + 1) * theme_cache.font->get_char_size('0', theme_cache.font_size).width);
}
lc = get_line_count();
List<int> breakpoints;
for (const KeyValue<int, bool> &E : breakpointed_lines) {
breakpoints.push_back(E.key);
@@ -3705,6 +3759,7 @@ CodeEdit::CodeEdit() {
}
CodeEdit::~CodeEdit() {
_clear_line_number_text_cache();
}
// Return true if l should come before r