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

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.

3 files changed, 23 insertions, 6 deletions

diff --git a/Userland/Libraries/LibGUI/AbstractTableView.cpp b/Userland/Libraries/LibGUI/AbstractTableView.cpp
index 9e26067280..58856b21fe 100644
--- a/Userland/Libraries/LibGUI/AbstractTableView.cpp
+++ b/Userland/Libraries/LibGUI/AbstractTableView.cpp
@@ -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())
diff --git a/Userland/Libraries/LibGUI/AbstractTableView.h b/Userland/Libraries/LibGUI/AbstractTableView.h
index cf5000be8d..4bfa470027 100644
--- a/Userland/Libraries/LibGUI/AbstractTableView.h
+++ b/Userland/Libraries/LibGUI/AbstractTableView.h
@@ -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);
diff --git a/Userland/Libraries/LibGUI/HeaderView.cpp b/Userland/Libraries/LibGUI/HeaderView.cpp
index 39401c02b1..29798d8d35 100644
--- a/Userland/Libraries/LibGUI/HeaderView.cpp
+++ b/Userland/Libraries/LibGUI/HeaderView.cpp
@@ -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)