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LibGUI: Add (optional) row headers to GUI::TableView

Browse source 
You can now get row headers in your TableView by simply calling:

    table_view.row_header().set_visible(true)

Note that rows are not yet resizable.
This commit is contained in:
Andreas Kling 2020-08-26 15:54:03 +02:00
parent 49a5038a1a
commit 447b65bf7b
5 changed files with 92 additions and 18 deletions
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9
Libraries/LibGUI/TableView.cpp
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@ -66,7 +66,8 @@ void TableView::paint_event(PaintEvent& event)
return;
int exposed_width = max(content_size().width(), width());
int y_offset = column_header().height();
int x_offset = row_header().is_visible() ? row_header().width() : 0;
int y_offset = column_header().is_visible() ? column_header().height() : 0;
bool dummy;
int first_visible_row = index_at_event_position(frame_inner_rect().top_left(), dummy).row();
@ -99,13 +100,13 @@ void TableView::paint_event(PaintEvent& event)
}
painter.fill_rect(row_rect(painted_item_index), background_color);
int x_offset = 0;
int x = x_offset;
for (int column_index = 0; column_index < model()->column_count(); ++column_index) {
if (!column_header().is_section_visible(column_index))
continue;
int column_width = this->column_width(column_index);
bool is_key_column = m_key_column == column_index;
Gfx::IntRect cell_rect(horizontal_padding() + x_offset, y, column_width, item_height());
Gfx::IntRect cell_rect(horizontal_padding() + x, y, column_width, item_height());
auto cell_rect_for_fill = cell_rect.inflated(horizontal_padding() * 2, 0);
if (is_key_column)
painter.fill_rect(cell_rect_for_fill, key_column_background_color);
@ -139,7 +140,7 @@ void TableView::paint_event(PaintEvent& event)
painter.draw_text(cell_rect, data.to_string(), font_for_index(cell_index), text_alignment, text_color, Gfx::TextElision::Right);
}
}
x_offset += column_width + horizontal_padding() * 2;
x += column_width + horizontal_padding() * 2;
}
++painted_item_index;
};