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2fea238675
You can now manipulate the widget selection either by clicking and dragging the widgets using the cursor tool, or by interacting with the form widget tree view. :^)
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
#include "WidgetTreeModel.h"
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#include <AK/StringBuilder.h>
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#include <LibGUI/GWidget.h>
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#include <stdio.h>
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WidgetTreeModel::WidgetTreeModel(GWidget& root)
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: m_root(root)
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{
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m_widget_icon.set_bitmap_for_size(16, GraphicsBitmap::load_from_file("/res/icons/16x16/inspector-object.png"));
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}
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WidgetTreeModel::~WidgetTreeModel()
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{
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}
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GModelIndex WidgetTreeModel::index(int row, int column, const GModelIndex& parent) const
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{
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if (!parent.is_valid()) {
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return create_index(row, column, m_root.ptr());
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}
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auto& parent_node = *static_cast<GWidget*>(parent.internal_data());
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return create_index(row, column, parent_node.child_widgets().at(row));
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}
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GModelIndex WidgetTreeModel::parent_index(const GModelIndex& index) const
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{
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if (!index.is_valid())
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return {};
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auto& widget = *static_cast<GWidget*>(index.internal_data());
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if (&widget == m_root.ptr())
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return {};
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if (widget.parent_widget() == m_root.ptr())
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return create_index(0, 0, m_root.ptr());
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// Walk the grandparent's children to find the index of widget's parent in its parent.
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// (This is needed to produce the row number of the GModelIndex corresponding to widget's parent.)
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int grandparent_child_index = 0;
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for (auto& grandparent_child : widget.parent_widget()->parent_widget()->child_widgets()) {
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if (grandparent_child == widget.parent_widget())
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return create_index(grandparent_child_index, 0, widget.parent_widget());
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++grandparent_child_index;
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}
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ASSERT_NOT_REACHED();
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return {};
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}
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int WidgetTreeModel::row_count(const GModelIndex& index) const
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{
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if (!index.is_valid())
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return 1;
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auto& widget = *static_cast<GWidget*>(index.internal_data());
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return widget.child_widgets().size();
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}
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int WidgetTreeModel::column_count(const GModelIndex&) const
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{
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return 1;
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}
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GVariant WidgetTreeModel::data(const GModelIndex& index, Role role) const
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{
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auto* widget = static_cast<GWidget*>(index.internal_data());
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if (role == Role::Icon) {
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return m_widget_icon;
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}
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if (role == Role::Display) {
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return String::format("%s (%s)", widget->class_name(), widget->relative_rect().to_string().characters());
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}
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return {};
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}
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void WidgetTreeModel::update()
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{
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did_update();
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}
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GModelIndex WidgetTreeModel::index_for_widget(GWidget& widget) const
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{
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int parent_child_index = 0;
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for (auto& parent_child : widget.parent_widget()->child_widgets()) {
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if (parent_child == &widget)
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return create_index(parent_child_index, 0, &widget);
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++parent_child_index;
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}
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return {};
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}
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