RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-19 16:55:07 +00:00
Code Issues Activity Actions

LibGUI: Start working on GTableView inline editing.

Browse source 
This is pretty shaky still, but the basic idea is that you subclass GModel
and return true for editable indices. The table view also needs to have its
editable flag set.
This commit is contained in:
Andreas Kling 2019-04-18 22:27:14 +02:00
parent 9ef06e2117
commit 0e6b273620
9 changed files with 95 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

60
LibGUI/GTableView.cpp
View file

@ -2,6 +2,7 @@
#include <LibGUI/GModel.h>
#include <LibGUI/GScrollBar.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GTextBox.h>
#include <Kernel/KeyCode.h>
GTableView::GTableView(GWidget* parent)
@ -38,6 +39,21 @@ void GTableView::did_update_model()
update();
}
Rect GTableView::cell_content_rect(int row, int column) const
{
auto row_rect = this->row_rect(row);
int x = 0;
for (int i = 0; i < column; ++i)
x += column_width(i) + horizontal_padding() * 2;
return { horizontal_padding() + row_rect.x() + x, row_rect.y(), column_width(column), item_height() };
}
Rect GTableView::cell_content_rect(const GModelIndex& index) const
{
return cell_content_rect(index.row(), index.column());
}
Rect GTableView::row_rect(int item_index) const
{
return { 0, header_height() + (item_index * item_height()), max(content_size().width(), width()), item_height() };
@ -87,9 +103,13 @@ void GTableView::mousedown_event(GMouseEvent& event)
if (event.button() == GMouseButton::Left) {
auto adjusted_position = event.position().translated(0, vertical_scrollbar().value());
for (int i = 0; i < item_count(); ++i) {
if (row_rect(i).contains(adjusted_position)) {
model()->set_selected_index(model()->index(i, 0));
for (int row = 0, row_count = model()->row_count(); row < row_count; ++row) {
if (!row_rect(row).contains(adjusted_position))
continue;
for (int column = 0, column_count = model()->column_count(); column < column_count; ++column) {
if (!cell_content_rect(row, column).contains(adjusted_position))
continue;
model()->set_selected_index(model()->index(row, column));
update();
return;
}
@ -300,6 +320,38 @@ void GTableView::doubleclick_event(GMouseEvent& event)
return;
if (event.button() == GMouseButton::Left) {
mousedown_event(event);
model()->activate(model()->selected_index());
if (is_editable())
begin_editing(model()->selected_index());
else
model()->activate(model()->selected_index());
}
}
void GTableView::begin_editing(const GModelIndex& index)
{
ASSERT(is_editable());
ASSERT(model());
if (m_edit_index == index)
return;
if (!model()->is_editable(index))
return;
if (m_edit_widget)
delete m_edit_widget;
m_edit_index = index;
m_edit_widget = new GTextBox(this);
m_edit_widget->set_text(model()->data(index, GModel::Role::Display).to_string());
m_edit_widget->set_relative_rect(cell_content_rect(index));
m_edit_widget->set_focus(true);
m_edit_widget->on_return_pressed = [this] {
ASSERT(model());
model()->set_data(m_edit_index, m_edit_widget->text());
stop_editing();
};
}
void GTableView::stop_editing()
{
m_edit_index = { };
m_edit_widget->delete_later();
m_edit_widget = nullptr;
}