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
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <LibGUI/GAbstractView.h>
#include <LibGUI/GModel.h>
class GScrollBar;
class Painter;
class GItemView : public GAbstractView {
C_OBJECT(GItemView)
public:
virtual ~GItemView() override;
int content_width() const;
int horizontal_padding() const { return m_horizontal_padding; }
void scroll_into_view(const GModelIndex&, Orientation);
Size effective_item_size() const { return m_effective_item_size; }
int model_column() const { return m_model_column; }
void set_model_column(int column) { m_model_column = column; }
virtual GModelIndex index_at_event_position(const Point&) const override;
private:
explicit GItemView(GWidget* parent);
virtual void did_update_model() override;
virtual void paint_event(GPaintEvent&) override;
virtual void second_paint_event(GPaintEvent&) override;
virtual void resize_event(GResizeEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void mousemove_event(GMouseEvent&) override;
virtual void mouseup_event(GMouseEvent&) override;
virtual void keydown_event(GKeyEvent&) override;
int item_count() const;
Rect item_rect(int item_index) const;
Vector<int> items_intersecting_rect(const Rect&) const;
void update_content_size();
void get_item_rects(int item_index, const Font&, const GVariant& item_text, Rect& item_rect, Rect& icon_rect, Rect& text_rect) const;
int m_horizontal_padding { 5 };
int m_model_column { 0 };
int m_visual_column_count { 0 };
int m_visual_row_count { 0 };
Size m_effective_item_size { 80, 80 };
bool m_rubber_banding { false };
Point m_rubber_band_origin;
Point m_rubber_band_current;
Vector<GModelIndex> m_rubber_band_remembered_selection;
};
|
