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LibGUI+HackStudio: Make gutter a first class element

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Gutter -- a space left of the text, before the ruler -- is not a part of
the ruler, nor should it be treated as such. This commit implements
gutter handling in LibGUI::TextEditor as part of mild cleaning up of the
gutter handling (breakpoint icons) in HackStudio's Editor.

This commit also enables separate theming of the gutter.
This commit is contained in:
Dmitrii Ubskii 2021-06-12 04:50:23 +03:00 • committed by Linus Groh
parent 920b4d730e
commit 8501617fcb
19 changed files with 103 additions and 25 deletions
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22
Userland/DevTools/HackStudio/Editor.cpp
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@ -66,6 +66,8 @@ Editor::Editor()
});
add_custom_context_menu_action(*m_evaluate_expression_action);
add_custom_context_menu_action(*m_move_execution_to_line_action);
set_gutter_visible(true);
}
Editor::~Editor()
@ -95,15 +97,9 @@ void Editor::focusout_event(GUI::FocusEvent& event)
GUI::TextEditor::focusout_event(event);
}
Gfx::IntRect Editor::breakpoint_icon_rect(size_t line_number) const
Gfx::IntRect Editor::gutter_icon_rect(size_t line_number) const
{
auto ruler_line_rect = ruler_content_rect(line_number);
auto scroll_value = vertical_scrollbar().value();
ruler_line_rect = ruler_line_rect.translated({ 0, -scroll_value });
auto center = ruler_line_rect.center().translated({ ruler_line_rect.width() - 10, -line_spacing() - 3 });
constexpr int size = 32;
return { center.x() - size / 2, center.y() - size / 2, size, size };
return gutter_content_rect(line_number).translated(ruler_width() + gutter_width() + frame_thickness(), -vertical_scrollbar().value());
}
void Editor::paint_event(GUI::PaintEvent& event)
@ -122,7 +118,7 @@ void Editor::paint_event(GUI::PaintEvent& event)
painter.draw_rect(rect, palette().selection());
}
if (ruler_visible()) {
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()) {
@ -130,11 +126,11 @@ void Editor::paint_event(GUI::PaintEvent& event)
continue;
}
const auto& icon = breakpoint_icon_bitmap();
painter.blit(breakpoint_icon_rect(line).center(), icon, icon.rect());
painter.blit(gutter_icon_rect(line).top_left(), icon, icon.rect());
}
if (execution_position().has_value()) {
const auto& icon = current_position_icon_bitmap();
painter.blit(breakpoint_icon_rect(execution_position().value()).center(), icon, icon.rect());
painter.blit(gutter_icon_rect(execution_position().value()).top_left(), icon, icon.rect());
}
}
}
@ -379,7 +375,7 @@ void Editor::set_execution_position(size_t line_number)
{
code_document().set_execution_position(line_number);
scroll_position_into_view({ line_number, 0 });
update(breakpoint_icon_rect(line_number));
update(gutter_icon_rect(line_number));
}
void Editor::clear_execution_position()
@ -389,7 +385,7 @@ void Editor::clear_execution_position()
}
size_t previous_position = execution_position().value();
code_document().clear_execution_position();
update(breakpoint_icon_rect(previous_position));
update(gutter_icon_rect(previous_position));
}
const Gfx::Bitmap& Editor::breakpoint_icon_bitmap()