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LibVT: Don't commit to opening a hyperlink until mouseup

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It felt too rushed to open links when simply mousedown'ing on them.
Improve this by implementing basic "click" semantics instead.

This patch also introduces the ability to prevent link opening if you
want to force selection instead. Hold shift and we will not open links.
This commit is contained in:
Andreas Kling 2020-05-10 15:57:45 +02:00
parent c6f098c5a9
commit ab7de41c7b
2 changed files with 50 additions and 11 deletions
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58
Libraries/LibVT/TerminalWidget.cpp
View file

@ -388,12 +388,28 @@ void TerminalWidget::paint_event(GUI::PaintEvent& event)
painter.clear_rect(cell_rect, color_from_rgb(should_reverse_fill_for_cursor_or_selection ? attribute.foreground_color : attribute.background_color).with_alpha(m_opacity));
}
bool should_paint_underline = attribute.flags & VT::Attribute::Underline
|| (!m_hovered_href.is_empty() && m_hovered_href_id == attribute.href_id);
enum class UnderlineStyle {
None,
Dotted,
Solid,
};
bool should_paint_dotted_underline = !attribute.href.is_empty() && m_hovered_href_id != attribute.href_id;
auto underline_style = UnderlineStyle::None;
if (should_paint_dotted_underline) {
if (attribute.flags & VT::Attribute::Underline) {
// Content has specified underline
underline_style = UnderlineStyle::Solid;
} else if (!attribute.href.is_empty()) {
// We're hovering a hyperlink
if (m_hovered_href_id == attribute.href_id)
underline_style = UnderlineStyle::Solid;
else
underline_style = UnderlineStyle::Dotted;
}
if (underline_style == UnderlineStyle::Solid) {
painter.draw_line(cell_rect.bottom_left(), cell_rect.bottom_right(), color_from_rgb(should_reverse_fill_for_cursor_or_selection ? attribute.background_color : attribute.foreground_color));
} else if (underline_style == UnderlineStyle::Dotted) {
auto color = color_from_rgb(should_reverse_fill_for_cursor_or_selection ? attribute.background_color : attribute.foreground_color).darkened(0.6f);
int x1 = cell_rect.bottom_left().x();
int x2 = cell_rect.bottom_right().x();
@ -402,8 +418,6 @@ void TerminalWidget::paint_event(GUI::PaintEvent& event)
if ((x % 3) == 0)
painter.set_pixel({ x, y }, color);
}
} else if (should_paint_underline) {
painter.draw_line(cell_rect.bottom_left(), cell_rect.bottom_right(), color_from_rgb(should_reverse_fill_for_cursor_or_selection ? attribute.background_color : attribute.foreground_color));
}
}
@ -616,15 +630,28 @@ void TerminalWidget::copy()
GUI::Clipboard::the().set_data(selected_text());
}
void TerminalWidget::mouseup_event(GUI::MouseEvent& event)
{
if (event.button() == GUI::MouseButton::Left) {
auto attribute = m_terminal.attribute_at(buffer_position_at(event.position()));
if (!m_active_href_id.is_null() && attribute.href_id == m_active_href_id) {
dbg() << "Open hyperlinked URL: _" << attribute.href << "_";
Desktop::Launcher::open(attribute.href);
}
m_active_href_id = {};
}
return;
}
void TerminalWidget::mousedown_event(GUI::MouseEvent& event)
{
if (event.button() == GUI::MouseButton::Left) {
auto attribute = m_terminal.attribute_at(buffer_position_at(event.position()));
if (!attribute.href.is_empty()) {
dbg() << "Open hyperlinked URL: _" << attribute.href << "_";
Desktop::Launcher::open(attribute.href);
if (!(event.modifiers() & Mod_Shift) && !attribute.href.is_empty()) {
m_active_href_id = attribute.href_id;
return;
}
m_active_href_id = {};
if (m_triple_click_timer.is_valid() && m_triple_click_timer.elapsed() < 250) {
int start_column = 0;
@ -651,9 +678,15 @@ void TerminalWidget::mousemove_event(GUI::MouseEvent& event)
auto position = buffer_position_at(event.position());
auto attribute = m_terminal.attribute_at(position);
if (attribute.href_id != m_hovered_href_id) {
m_hovered_href_id = attribute.href_id;
m_hovered_href = attribute.href;
if (m_active_href_id.is_null() || m_active_href_id == attribute.href_id) {
m_hovered_href_id = attribute.href_id;
m_hovered_href = attribute.href;
} else {
m_hovered_href_id = {};
m_hovered_href = {};
}
if (!m_hovered_href.is_empty())
window()->set_override_cursor(GUI::StandardCursor::Hand);
else
@ -664,6 +697,9 @@ void TerminalWidget::mousemove_event(GUI::MouseEvent& event)
if (!(event.buttons() & GUI::MouseButton::Left))
return;
if (!m_active_href_id.is_null())
return;
auto old_selection_end = m_selection_end;
m_selection_end = position;
if (old_selection_end != m_selection_end)

3
Libraries/LibVT/TerminalWidget.h
View file

@ -94,6 +94,7 @@ private:
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void keyup_event(GUI::KeyEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mousewheel_event(GUI::MouseEvent&) override;
virtual void doubleclick_event(GUI::MouseEvent&) override;
@ -133,6 +134,8 @@ private:
String m_hovered_href;
String m_hovered_href_id;
String m_active_href_id;
// Snapshot of m_hovered_href when opening a context menu for a hyperlink.
String m_context_menu_href;