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LibGUI: Let the table view tell HeaderView about the min. section size

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Previously HeaderView would just assume that each column or row could
have a minimum size of 2. This makes it so that AbstractTableView
subclasses can provide a new minimum value for a specific column.
This commit is contained in:
sin-ack 2021-08-08 09:50:36 +00:00 committed by Andreas Kling
parent 854e16797e
commit ab2719fd53
Notes: sideshowbarker 2024-07-18 07:14:51 +09:00 
Author: https://github.com/sin-ack
Commit: https://github.com/SerenityOS/serenity/commit/ab2719fd53f
Pull-request: https://github.com/SerenityOS/serenity/pull/9282
3 changed files with 23 additions and 6 deletions
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10
Userland/Libraries/LibGUI/AbstractTableView.cpp
View file

@ -179,6 +179,16 @@ void AbstractTableView::set_column_width(int column, int width)
column_header().set_section_size(column, width);
}
int AbstractTableView::minimum_column_width(int)
{
return 2;
}
int AbstractTableView::minimum_row_height(int)
{
return 2;
}
Gfx::TextAlignment AbstractTableView::column_header_alignment(int column_index) const
{
if (!model())

2
Userland/Libraries/LibGUI/AbstractTableView.h
View file

@ -39,6 +39,8 @@ public:
int column_width(int column) const;
void set_column_width(int column, int width);
void set_default_column_width(int column, int width);
virtual int minimum_column_width(int column);
virtual int minimum_row_height(int row);
Gfx::TextAlignment column_header_alignment(int column) const;
void set_column_header_alignment(int column, Gfx::TextAlignment);

17
Userland/Libraries/LibGUI/HeaderView.cpp
View file

@ -17,8 +17,6 @@
namespace GUI {
static constexpr int minimum_column_size = 2;
HeaderView::HeaderView(AbstractTableView& table_view, Gfx::Orientation orientation)
: m_table_view(table_view)
, m_orientation(orientation)
@ -179,8 +177,13 @@ void HeaderView::mousemove_event(MouseEvent& event)
if (m_in_section_resize) {
auto delta = event.position() - m_section_resize_origin;
int new_size = m_section_resize_original_width + delta.primary_offset_for_orientation(m_orientation);
if (new_size <= minimum_column_size)
new_size = minimum_column_size;
auto minimum_size = orientation() == Orientation::Horizontal
? m_table_view.minimum_column_width(m_resizing_section)
: m_table_view.minimum_row_height(m_resizing_section);
if (new_size <= minimum_size)
new_size = minimum_size;
VERIFY(m_resizing_section >= 0 && m_resizing_section < model()->column_count());
set_section_size(m_resizing_section, new_size);
return;
@ -393,8 +396,10 @@ void HeaderView::set_section_alignment(int section, Gfx::TextAlignment alignment
void HeaderView::set_default_section_size(int section, int size)
{
if (orientation() == Gfx::Orientation::Horizontal && size < minimum_column_size)
size = minimum_column_size;
auto minimum_column_width = m_table_view.minimum_column_width(section);
if (orientation() == Gfx::Orientation::Horizontal && size < minimum_column_width)
size = minimum_column_width;
auto& data = section_data(section);
if (data.default_size == size)