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HackStudio: Indicate git changes in the editor's gutter

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"+" for added lines, "!" for changed, "-" for removed.
This commit is contained in:
Dmitrii Ubskii 2021-06-12 07:07:18 +03:00 • committed by Linus Groh
parent 8501617fcb
commit d5828dbecb
Notes: sideshowbarker 2024-07-18 12:19:11 +09:00
4 changed files with 71 additions and 0 deletions
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26
Userland/DevTools/HackStudio/Editor.cpp
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@ -121,6 +121,7 @@ void Editor::paint_event(GUI::PaintEvent& event)
if (gutter_visible()) {
size_t first_visible_line = text_position_at(event.rect().top_left()).line();
size_t last_visible_line = text_position_at(event.rect().bottom_right()).line();
for (size_t line : breakpoint_lines()) {
if (line < first_visible_line || line > last_visible_line) {
continue;
@ -132,6 +133,31 @@ void Editor::paint_event(GUI::PaintEvent& event)
const auto& icon = current_position_icon_bitmap();
painter.blit(gutter_icon_rect(execution_position().value()).top_left(), icon, icon.rect());
}
if (wrapper().git_repo()) {
for (auto& hunk : wrapper().hunks()) {
auto start_line = hunk.target_start_line;
auto finish_line = start_line + hunk.added_lines.size();
auto additions = hunk.added_lines.size();
auto deletions = hunk.removed_lines.size();
for (size_t line_offset = 0; line_offset < additions; line_offset++) {
auto line = start_line + line_offset;
if (line < first_visible_line || line > last_visible_line) {
continue;
}
char const* sign = (line_offset < deletions) ? "!" : "+";
painter.draw_text(gutter_icon_rect(line), sign, font(), Gfx::TextAlignment::Center);
}
if (additions < deletions) {
auto deletions_line = min(finish_line, line_count() - 1);
if (deletions_line <= last_visible_line) {
painter.draw_text(gutter_icon_rect(deletions_line), "-", font(), Gfx::TextAlignment::Center);
}
}
}
}
}
}