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Code Issues Activity Actions

GTableView: Fix crash when clicking at random places.

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This commit is contained in:
Andreas Kling 2019-05-05 00:58:42 +02:00
parent dc919352b0
commit b7cd6dea13
1 changed files with 11 additions and 3 deletions
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14
LibGUI/GTableView.cpp
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@ -63,6 +63,7 @@ Rect GTableView::row_rect(int item_index) const
int GTableView::column_width(int column_index) const
{
ASSERT(column_index >= 0 && column_index < model()->column_count());
auto& column_data = this->column_data(column_index);
if (!column_data.has_initialized_width) {
column_data.has_initialized_width = true;
@ -73,6 +74,7 @@ int GTableView::column_width(int column_index) const
Rect GTableView::header_rect(int column_index) const
{
ASSERT(column_index >= 0 && column_index < model()->column_count());
if (is_column_hidden(column_index))
return { };
int x_offset = 0;
@ -91,6 +93,7 @@ Point GTableView::adjusted_position(const Point& position)
Rect GTableView::column_resize_grabbable_rect(int column) const
{
ASSERT(column >= 0 && column < model()->column_count());
auto header_rect = this->header_rect(column);
return { header_rect.right() - 1, header_rect.top(), 4, header_rect.height() };
}
@ -150,6 +153,7 @@ void GTableView::mousemove_event(GMouseEvent& event)
if (m_in_column_resize) {
auto delta = event.position() - m_column_resize_origin;
int new_width = m_column_resize_original_width + delta.x();
ASSERT(m_resizing_column >= 0 && m_resizing_column < model()->column_count());
auto& column_data = this->column_data(m_resizing_column);
if (column_data.width != new_width) {
column_data.width = new_width;
@ -174,9 +178,11 @@ void GTableView::mouseup_event(GMouseEvent& event)
{
auto adjusted_position = this->adjusted_position(event.position());
if (event.button() == GMouseButton::Left) {
if (!column_resize_grabbable_rect(m_resizing_column).contains(adjusted_position))
window()->set_override_cursor(GStandardCursor::None);
m_in_column_resize = false;
if (m_in_column_resize) {
if (!column_resize_grabbable_rect(m_resizing_column).contains(adjusted_position))
window()->set_override_cursor(GStandardCursor::None);
m_in_column_resize = false;
}
}
}
@ -374,11 +380,13 @@ GTableView::ColumnData& GTableView::column_data(int column) const
bool GTableView::is_column_hidden(int column) const
{
ASSERT(column >= 0 && column < model()->column_count());
return !column_data(column).visibility;
}
void GTableView::set_column_hidden(int column, bool hidden)
{
ASSERT(column >= 0 && column < model()->column_count());
auto& column_data = this->column_data(column);
if (column_data.visibility == !hidden)
return;