blob: bfeaf5a47b85b32a5e65a2b2c4d495dd2e14dff3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
#include <Kernel/KeyCode.h>
#include <LibGUI/GAbstractView.h>
#include <LibGUI/GModel.h>
#include <LibGUI/GModelEditingDelegate.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GScrollBar.h>
#include <LibGUI/GTextBox.h>
GAbstractView::GAbstractView(GWidget* parent)
: GScrollableWidget(parent)
, m_selection(*this)
{
}
GAbstractView::~GAbstractView()
{
delete m_edit_widget;
}
void GAbstractView::set_model(RefPtr<GModel>&& model)
{
if (model == m_model)
return;
if (m_model)
m_model->unregister_view({}, *this);
m_model = move(model);
if (m_model)
m_model->register_view({}, *this);
did_update_model();
}
void GAbstractView::did_update_model()
{
if (!model() || selection().first() != m_edit_index)
stop_editing();
}
void GAbstractView::did_update_selection()
{
if (!model() || selection().first() != m_edit_index)
stop_editing();
if (model() && on_selection && selection().first().is_valid())
on_selection(selection().first());
}
void GAbstractView::did_scroll()
{
update_edit_widget_position();
}
void GAbstractView::update_edit_widget_position()
{
if (!m_edit_widget)
return;
m_edit_widget->set_relative_rect(m_edit_widget_content_rect.translated(-horizontal_scrollbar().value(), -vertical_scrollbar().value()));
}
void GAbstractView::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;
ASSERT(aid_create_editing_delegate);
m_editing_delegate = aid_create_editing_delegate(index);
m_editing_delegate->bind(*model(), index);
m_editing_delegate->set_value(model()->data(index, GModel::Role::Display));
m_edit_widget = m_editing_delegate->widget();
add_child(*m_edit_widget);
m_edit_widget->move_to_back();
m_edit_widget_content_rect = content_rect(index).translated(frame_thickness(), frame_thickness());
update_edit_widget_position();
m_edit_widget->set_focus(true);
m_editing_delegate->will_begin_editing();
m_editing_delegate->on_commit = [this] {
ASSERT(model());
model()->set_data(m_edit_index, m_editing_delegate->value());
stop_editing();
};
}
void GAbstractView::stop_editing()
{
m_edit_index = {};
delete m_edit_widget;
m_edit_widget = nullptr;
}
void GAbstractView::activate(const GModelIndex& index)
{
if (on_activation)
on_activation(index);
}
void GAbstractView::notify_selection_changed(Badge<GModelSelection>)
{
did_update_selection();
if (on_selection_change)
on_selection_change();
update();
}
|
