span_layout_view.h Source File - ClanLib SDK
Description: span_layout_view.h Source File

span_layout_view.h
1/*
2** ClanLib SDK
3** Copyright (c) 1997-2020 The ClanLib Team
4**
5** This software is provided 'as-is', without any express or implied
6** warranty. In no event will the authors be held liable for any damages
7** arising from the use of this software.
8**
9** Permission is granted to anyone to use this software for any purpose,
10** including commercial applications, and to alter it and redistribute it
11** freely, subject to the following restrictions:
12**
13** 1. The origin of this software must not be misrepresented; you must not
14** claim that you wrote the original software. If you use this software
15** in a product, an acknowledgment in the product documentation would be
16** appreciated but is not required.
17** 2. Altered source versions must be plainly marked as such, and must not be
18** misrepresented as being the original software.
19** 3. This notice may not be removed or altered from any source distribution.
20**
21** Note: Some of the libraries ClanLib may link to may have additional
22** requirements or restrictions.
23**
24** File Author(s):
25**
26** Magnus Norddahl
27*/
28
29#pragma once
30
31#include "../View/view.h"
32#include "../../Display/Font/font.h"
33#include "../../Display/2D/color.h"
34#include "label_view.h"
35
36namespace clan
37{
38 class SpanLayoutViewImpl;
39
40 class SpanLayoutView : public View
41 {
42 public:
43 SpanLayoutView();
44
45 const std::shared_ptr<Style> &text_style(const std::string &text_class = std::string()) const;
46
47 void set_text_alignment(TextAlignment alignment);
48
49 void clear();
50 void add_text(const std::string &text, const std::string &text_class = std::string());
51 void add_child(const std::shared_ptr<View> &view, float baseline_offset = 0.0f);
52
53 void layout_children(Canvas &canvas) override;
54
55 protected:
56 void render_content(Canvas &canvas) override;
57 float calculate_preferred_width(Canvas &canvas) override;
58 float calculate_preferred_height(Canvas &canvas, float width) override;
59 float calculate_first_baseline_offset(Canvas &canvas, float width) override;
60 float calculate_last_baseline_offset(Canvas &canvas, float width) override;
61 void child_added(const std::shared_ptr<View> &view) override;
62 void child_removed(const std::shared_ptr<View> &view) override;
63
64 private:
65 std::shared_ptr<SpanLayoutViewImpl> impl;
66 };
67}
clan::Canvas
2D Graphics Canvas
Definition canvas.h:72
clan::SpanLayoutView
Definition span_layout_view.h:41
clan::SpanLayoutView::calculate_preferred_width
float calculate_preferred_width(Canvas &canvas) override
Calculates the preferred width of this view.
clan::SpanLayoutView::add_text
void add_text(const std::string &text, const std::string &text_class=std::string())
clan::SpanLayoutView::render_content
void render_content(Canvas &canvas) override
Renders the content of a view.
clan::SpanLayoutView::calculate_last_baseline_offset
float calculate_last_baseline_offset(Canvas &canvas, float width) override
Calculates the offset to the last baseline.
clan::SpanLayoutView::calculate_first_baseline_offset
float calculate_first_baseline_offset(Canvas &canvas, float width) override
Calculates the offset to the first baseline.
clan::SpanLayoutView::clear
void clear()
clan::SpanLayoutView::layout_children
void layout_children(Canvas &canvas) override
Sets the view geometry for all children of this view.
clan::SpanLayoutView::add_child
void add_child(const std::shared_ptr< View > &view, float baseline_offset=0.0f)
clan::SpanLayoutView::SpanLayoutView
SpanLayoutView()
clan::SpanLayoutView::text_style
const std::shared_ptr< Style > & text_style(const std::string &text_class=std::string()) const
clan::SpanLayoutView::calculate_preferred_height
float calculate_preferred_height(Canvas &canvas, float width) override
Calculates the preferred height of this view.
clan::SpanLayoutView::child_added
void child_added(const std::shared_ptr< View > &view) override
Child view was added to this view.
clan::SpanLayoutView::child_removed
void child_removed(const std::shared_ptr< View > &view) override
Child view was removed from this view.
clan::SpanLayoutView::set_text_alignment
void set_text_alignment(TextAlignment alignment)
clan::View
View for an area of the user interface.
Definition view.h:66
clan::View::canvas
Canvas canvas() const
clan
Definition clanapp.h:36
clan::TextAlignment
TextAlignment
Definition label_view.h:39