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
|
/*
* 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 <LibGUI/AbstractView.h>
#include <LibGUI/Forward.h>
namespace GUI {
class ItemView : public AbstractView {
C_OBJECT(ItemView)
public:
virtual ~ItemView() override;
int content_width() const;
int horizontal_padding() const { return m_horizontal_padding; }
void scroll_into_view(const ModelIndex&, Orientation);
Gfx::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 ModelIndex index_at_event_position(const Gfx::Point&) const override;
Gfx::Point adjusted_position(const Gfx::Point&) const;
virtual void select_all() override;
private:
ItemView();
virtual void did_update_model(unsigned flags) override;
virtual void paint_event(PaintEvent&) override;
virtual void second_paint_event(PaintEvent&) override;
virtual void resize_event(ResizeEvent&) override;
virtual void mousedown_event(MouseEvent&) override;
virtual void mousemove_event(MouseEvent&) override;
virtual void mouseup_event(MouseEvent&) override;
virtual void keydown_event(KeyEvent&) override;
virtual void drag_move_event(DragEvent&) override;
int item_count() const;
Gfx::Rect item_rect(int item_index) const;
Vector<int> items_intersecting_rect(const Gfx::Rect&) const;
void update_content_size();
void get_item_rects(int item_index, const Gfx::Font&, const Variant& item_text, Gfx::Rect& item_rect, Gfx::Rect& icon_rect, Gfx::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 };
Gfx::Size m_effective_item_size { 80, 80 };
bool m_rubber_banding { false };
Gfx::Point m_rubber_band_origin;
Gfx::Point m_rubber_band_current;
Vector<ModelIndex> m_rubber_band_remembered_selection;
ModelIndex m_drop_candidate_index;
};
}
|
