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GTextEditor: Disable the ruler in single-line mode.

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Also make it possible to hide the ruler in multi-line mode, if you should
want to do that. :^)
This commit is contained in:
Andreas Kling 2019-03-15 17:54:05 +01:00
parent 1fc283ed7d
commit 7e3673f710
2 changed files with 27 additions and 13 deletions
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37
LibGUI/GTextEditor.cpp
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@ -13,6 +13,8 @@ GTextEditor::GTextEditor(Type type, GWidget* parent)
: GWidget(parent)
, m_type(type)
{
m_ruler_visible = m_type == MultiLine;
set_font(GFontDatabase::the().get_by_name("Csilla Thin"));
m_vertical_scrollbar = new GScrollBar(Orientation::Vertical, this);
@ -165,12 +167,16 @@ void GTextEditor::mousemove_event(GMouseEvent& event)
int GTextEditor::ruler_width() const
{
if (!m_ruler_visible)
return 0;
// FIXME: Resize based on needed space.
return 5 * font().glyph_width('x') + 4;
}
Rect GTextEditor::ruler_content_rect(int line_index) const
{
if (!m_ruler_visible)
return { };
return {
0 - ruler_width() - padding() + m_horizontal_scrollbar->value(),
line_index * line_height(),
@ -188,8 +194,11 @@ void GTextEditor::paint_event(GPaintEvent& event)
painter.fill_rect(event.rect(), Color::White);
Rect ruler_rect { 0, 0, ruler_width(), height() - m_horizontal_scrollbar->height()};
painter.fill_rect(ruler_rect, Color::LightGray);
painter.draw_line(ruler_rect.top_right(), ruler_rect.bottom_right(), Color::DarkGray);
if (m_ruler_visible) {
painter.fill_rect(ruler_rect, Color::LightGray);
painter.draw_line(ruler_rect.top_right(), ruler_rect.bottom_right(), Color::DarkGray);
}
painter.save();
@ -203,16 +212,18 @@ void GTextEditor::paint_event(GPaintEvent& event)
auto selection = normalized_selection();
bool has_selection = selection.is_valid();
for (int i = first_visible_line; i <= last_visible_line; ++i) {
bool is_current_line = i == m_cursor.line();
auto ruler_line_rect = ruler_content_rect(i);
painter.draw_text(
ruler_line_rect.shrunken(2, 0),
String::format("%u", i),
is_current_line ? Font::default_bold_font() : font(),
TextAlignment::CenterRight,
is_current_line ? Color::DarkGray : Color::MidGray
);
if (m_ruler_visible) {
for (int i = first_visible_line; i <= last_visible_line; ++i) {
bool is_current_line = i == m_cursor.line();
auto ruler_line_rect = ruler_content_rect(i);
painter.draw_text(
ruler_line_rect.shrunken(2, 0),
String::format("%u", i),
is_current_line ? Font::default_bold_font() : font(),
TextAlignment::CenterRight,
is_current_line ? Color::DarkGray : Color::MidGray
);
}
}
painter.set_clip_rect({ ruler_rect.right() + 1, 0, width() - m_vertical_scrollbar->width() - ruler_width(), height() - m_horizontal_scrollbar->height() });
@ -221,7 +232,7 @@ void GTextEditor::paint_event(GPaintEvent& event)
auto& line = *m_lines[i];
auto line_rect = line_content_rect(i);
line_rect.set_width(exposed_width);
if (i == m_cursor.line())
if (is_multi_line() && i == m_cursor.line())
painter.fill_rect(line_rect, Color(230, 230, 230));
painter.draw_text(line_rect, line.characters(), line.length(), TextAlignment::CenterLeft, Color::Black);
bool line_has_selection = has_selection && i >= selection.start().line() && i <= selection.end().line();