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HackStudio: GUI support for setting breakpoints on source code lines

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This commit is contained in:
Itamar 2020-04-24 23:48:25 +03:00 • committed by Andreas Kling
parent 009b4ea3f4
commit 393560d8a2
7 changed files with 135 additions and 6 deletions
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75
DevTools/HackStudio/Editor.cpp
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@ -31,6 +31,7 @@
#include <LibCore/DirIterator.h>
#include <LibCore/File.h>
#include <LibGUI/Application.h>
#include <LibGUI/Label.h>
#include <LibGUI/Painter.h>
#include <LibGUI/ScrollBar.h>
#include <LibGUI/SyntaxHighlighter.h>
@ -79,12 +80,20 @@ void Editor::focusout_event(Core::Event& event)
GUI::TextEditor::focusout_event(event);
}
Gfx::Rect Editor::breakpoint_icon_rect(size_t line_number) const
{
auto ruler_line_rect = ruler_content_rect(line_number);
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 };
}
void Editor::paint_event(GUI::PaintEvent& event)
{
GUI::TextEditor::paint_event(event);
GUI::Painter painter(*this);
if (is_focused()) {
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
auto rect = frame_inner_rect();
@ -95,8 +104,26 @@ void Editor::paint_event(GUI::PaintEvent& event)
painter.draw_rect(rect, palette().selection());
}
if (m_hovering_editor)
if (m_hovering_lines_ruler)
window()->set_override_cursor(GUI::StandardCursor::Arrow);
else if (m_hovering_editor)
window()->set_override_cursor(m_hovering_link && m_holding_ctrl ? GUI::StandardCursor::Hand : GUI::StandardCursor::IBeam);
if (ruler_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 : m_breakpoint_lines) {
if (line < first_visible_line || line > last_visible_line) {
continue;
}
const auto& icon = breakpoint_icon_bitmap();
painter.blit(breakpoint_icon_rect(line).center(), icon, icon.rect());
}
if (m_execution_position.has_value()) {
const auto& icon = current_position_icon_bitmap();
painter.blit(breakpoint_icon_rect(m_execution_position.value()).center(), icon, icon.rect());
}
}
}
static HashMap<String, String>& man_paths()
@ -188,6 +215,9 @@ void Editor::mousemove_event(GUI::MouseEvent& event)
if (!highlighter)
return;
auto ruler_line_rect = ruler_content_rect(text_position.line());
m_hovering_lines_ruler = (event.position().x() < ruler_line_rect.width());
bool hide_tooltip = true;
bool is_over_link = false;
@ -237,12 +267,23 @@ void Editor::mousedown_event(GUI::MouseEvent& event)
return;
}
auto text_position = text_position_at(event.position());
auto ruler_line_rect = ruler_content_rect(text_position.line());
if (event.position().x() < ruler_line_rect.width()) {
if (!m_breakpoint_lines.contains_slow(text_position.line())) {
m_breakpoint_lines.append(text_position.line());
on_breakpoint_change(wrapper().filename_label().text(), text_position.line(), BreakpointChange::Added);
} else {
m_breakpoint_lines.remove_first_matching([&](size_t line) { return line == text_position.line(); });
on_breakpoint_change(wrapper().filename_label().text(), text_position.line(), BreakpointChange::Removed);
}
}
if (!(event.modifiers() & Mod_Ctrl)) {
GUI::TextEditor::mousedown_event(event);
return;
}
auto text_position = text_position_at(event.position());
if (!text_position.is_valid()) {
GUI::TextEditor::mousedown_event(event);
return;
@ -338,3 +379,31 @@ void Editor::navigate_to_include_if_available(String path)
on_open(it->value);
}
void Editor::set_execution_position(size_t line_number)
{
m_execution_position = line_number;
update(breakpoint_icon_rect(line_number));
}
void Editor::clear_execution_position()
{
if (!m_execution_position.has_value()) {
return;
}
size_t previous_position = m_execution_position.value();
m_execution_position = {};
update(breakpoint_icon_rect(previous_position));
}
const Gfx::Bitmap& Editor::breakpoint_icon_bitmap()
{
static auto bitmap = Gfx::Bitmap::load_from_file("/res/icons/breakpoint.png");
return *bitmap;
}
const Gfx::Bitmap& Editor::current_position_icon_bitmap()
{
static auto bitmap = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png");
return *bitmap;
}