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HexEditor: Render selection background without gaps between rows

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The selected region in HexEditor is indicated by rendering a different
background color for the selected bytes.

Previously this background was rendered so that the background
rectangles were not contigous between different rows. This caused a high
contrast pattern that interfered with the readability of the hexadecimal
digits.

Now the background is rendered as a single contiguous block.
This commit is contained in:
Mart G 2022-10-13 11:28:28 +02:00 • committed by Sam Atkins
parent e6ea49d10b
commit 7394316818
1 changed files with 20 additions and 8 deletions
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28
Userland/Applications/HexEditor/HexEditor.cpp
View file

@ -586,11 +586,17 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
bool const highlight_flag = selection_inbetween_start_end || selection_inbetween_end_start;
Gfx::IntRect hex_display_rect {
frame_thickness() + offset_margin_width() + static_cast<int>(j) * cell_width() + 2 * m_padding,
frame_thickness() + m_padding + static_cast<int>(i) * line_height(),
frame_thickness() + offset_margin_width() + j * cell_width() + 2 * m_padding,
frame_thickness() + m_padding + i * line_height(),
cell_width(),
line_height() - m_line_spacing
};
Gfx::IntRect background_rect {
frame_thickness() + offset_margin_width() + j * cell_width() + 1 * m_padding,
frame_thickness() + m_line_spacing / 2 + i * line_height(),
cell_width(),
line_height()
};
const u8 cell_value = m_document->get(byte_position).value;
auto line = String::formatted("{:02X}", cell_value);
@ -611,7 +617,7 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
background_color = palette().inactive_selection();
text_color = palette().inactive_selection_text();
}
painter.fill_rect(hex_display_rect, background_color);
painter.fill_rect(background_rect, background_color);
painter.draw_text(hex_display_rect, line, Gfx::TextAlignment::TopLeft, text_color);
@ -628,10 +634,16 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
}
Gfx::IntRect text_display_rect {
static_cast<int>(frame_thickness() + offset_margin_width() + bytes_per_row() * cell_width() + j * character_width() + 4 * m_padding),
static_cast<int>(frame_thickness() + m_padding + i * line_height()),
static_cast<int>(character_width()),
static_cast<int>(line_height() - m_line_spacing)
frame_thickness() + offset_margin_width() + bytes_per_row() * cell_width() + j * character_width() + 4 * m_padding,
frame_thickness() + m_padding + i * line_height(),
character_width(),
line_height() - m_line_spacing
};
Gfx::IntRect text_background_rect {
frame_thickness() + offset_margin_width() + bytes_per_row() * cell_width() + j * character_width() + 4 * m_padding,
frame_thickness() + m_line_spacing / 2 + i * line_height(),
character_width(),
line_height()
};
background_color = palette().color(background_role());
@ -651,7 +663,7 @@ void HexEditor::paint_event(GUI::PaintEvent& event)
text_color = palette().inactive_selection_text();
}
painter.fill_rect(text_display_rect, background_color);
painter.fill_rect(text_background_rect, background_color);
painter.draw_text(text_display_rect, String::formatted("{:c}", isprint(cell_value) ? cell_value : '.'), Gfx::TextAlignment::TopLeft, text_color);
if (m_edit_mode == EditMode::Text) {