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f7dce05c82
This was a bad idea and it didn't stick. Instead we should just use the simple "on_foo" hook functions like we do for everything else. :^)
99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#include <Kernel/KeyCode.h>
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#include <LibGUI/GAbstractView.h>
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#include <LibGUI/GModel.h>
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#include <LibGUI/GModelEditingDelegate.h>
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#include <LibGUI/GPainter.h>
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#include <LibGUI/GScrollBar.h>
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#include <LibGUI/GTextBox.h>
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GAbstractView::GAbstractView(GWidget* parent)
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: GScrollableWidget(parent)
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{
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}
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GAbstractView::~GAbstractView()
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{
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delete m_edit_widget;
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}
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void GAbstractView::set_model(RefPtr<GModel>&& model)
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{
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if (model == m_model)
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return;
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if (m_model)
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m_model->unregister_view({}, *this);
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m_model = move(model);
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if (m_model)
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m_model->register_view({}, *this);
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did_update_model();
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}
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void GAbstractView::did_update_model()
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{
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if (!model() || model()->selected_index() != m_edit_index)
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stop_editing();
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}
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void GAbstractView::did_update_selection()
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{
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if (!model() || model()->selected_index() != m_edit_index)
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stop_editing();
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if (model() && on_selection && model()->selected_index().is_valid())
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on_selection(model()->selected_index());
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}
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void GAbstractView::did_scroll()
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{
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update_edit_widget_position();
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}
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void GAbstractView::update_edit_widget_position()
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{
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if (!m_edit_widget)
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return;
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m_edit_widget->set_relative_rect(m_edit_widget_content_rect.translated(-horizontal_scrollbar().value(), -vertical_scrollbar().value()));
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}
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void GAbstractView::begin_editing(const GModelIndex& index)
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{
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ASSERT(is_editable());
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ASSERT(model());
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if (m_edit_index == index)
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return;
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if (!model()->is_editable(index))
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return;
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if (m_edit_widget)
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delete m_edit_widget;
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m_edit_index = index;
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ASSERT(aid_create_editing_delegate);
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m_editing_delegate = aid_create_editing_delegate(index);
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m_editing_delegate->bind(*model(), index);
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m_editing_delegate->set_value(model()->data(index, GModel::Role::Display));
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m_edit_widget = m_editing_delegate->widget();
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add_child(*m_edit_widget);
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m_edit_widget->move_to_back();
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m_edit_widget_content_rect = content_rect(index).translated(frame_thickness(), frame_thickness());
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update_edit_widget_position();
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m_edit_widget->set_focus(true);
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m_editing_delegate->will_begin_editing();
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m_editing_delegate->on_commit = [this] {
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ASSERT(model());
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model()->set_data(m_edit_index, m_editing_delegate->value());
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stop_editing();
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};
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}
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void GAbstractView::stop_editing()
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{
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m_edit_index = {};
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delete m_edit_widget;
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m_edit_widget = nullptr;
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}
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void GAbstractView::activate(const GModelIndex& index)
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{
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if (on_activation)
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on_activation(index);
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}
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