File: CodeEditorDemo.h

package info (click to toggle)
juce 5.4.1%2Breally5.4.1~repack-3
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 45,912 kB
  • sloc: cpp: 359,335; java: 15,402; ansic: 796; xml: 243; sh: 192; makefile: 146; cs: 132; python: 117
file content (201 lines) | stat: -rw-r--r-- 6,679 bytes parent folder | download | duplicates (2)
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
/*
  ==============================================================================

   This file is part of the JUCE examples.
   Copyright (c) 2017 - ROLI Ltd.

   The code included in this file is provided under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
   To use, copy, modify, and/or distribute this software for any purpose with or
   without fee is hereby granted provided that the above copyright notice and
   this permission notice appear in all copies.

   THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
   WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
   PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

/*******************************************************************************
 The block below describes the properties of this PIP. A PIP is a short snippet
 of code that can be read by the Projucer and used to generate a JUCE project.

 BEGIN_JUCE_PIP_METADATA

 name:             CodeEditorDemo
 version:          1.0.0
 vendor:           JUCE
 website:          http://juce.com
 description:      Displays a code editor.

 dependencies:     juce_core, juce_data_structures, juce_events, juce_graphics,
                   juce_gui_basics, juce_gui_extra
 exporters:        xcode_mac, vs2017, linux_make, xcode_iphone

 moduleFlags:      JUCE_STRICT_REFCOUNTEDPOINTER=1

 type:             Component
 mainClass:        CodeEditorDemo

 useLocalCopy:     1

 END_JUCE_PIP_METADATA

*******************************************************************************/

#pragma once

#include "../Assets/DemoUtilities.h"

#if JUCE_ANDROID
 #error "This demo is not supported on Android!"
#endif

//==============================================================================
class CodeEditorDemo  : public Component,
                        private FilenameComponentListener
{
public:
    CodeEditorDemo()
    {
        setOpaque (true);

        // Create the editor..
        editor.reset (new CodeEditorComponent (codeDocument, &cppTokeniser));
        addAndMakeVisible (editor.get());

        editor->loadContent ("\n"
                             "/* Code editor demo!\n"
                             "\n"
                             "   To see a real-world example of the code editor\n"
                             "   in action, have a look at the Projucer!\n"
                             "\n"
                             "*/\n"
                             "\n");

        // Create a file chooser control to load files into it..
        addAndMakeVisible (fileChooser);
        fileChooser.addListener (this);

        lookAndFeelChanged();

        setSize (500, 500);
    }

    ~CodeEditorDemo()
    {
        fileChooser.removeListener (this);
    }

    void paint (Graphics& g) override
    {
        g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground,
                                           Colours::lightgrey));
    }

    void resized() override
    {
        auto r = getLocalBounds().reduced (8);

        fileChooser.setBounds (r.removeFromTop (25));
        editor->setBounds     (r.withTrimmedTop (8));
    }

private:
    // this is the document that the editor component is showing
    CodeDocument codeDocument;

    // this is a tokeniser to apply the C++ syntax highlighting
    CPlusPlusCodeTokeniser cppTokeniser;

    // the editor component
    std::unique_ptr<CodeEditorComponent> editor;

    FilenameComponent fileChooser { "File", {}, true, false, false, "*.cpp;*.h;*.hpp;*.c;*.mm;*.m", {},
                                    "Choose a C++ file to open it in the editor" };

    //==============================================================================
    void filenameComponentChanged (FilenameComponent*) override
    {
        editor->loadContent (fileChooser.getCurrentFile().loadFileAsString());
    }

    void lookAndFeelChanged() override
    {
        if (auto* v4 = dynamic_cast<LookAndFeel_V4*> (&LookAndFeel::getDefaultLookAndFeel()))
        {
            auto useLight = v4->getCurrentColourScheme() == LookAndFeel_V4::getLightColourScheme();
            editor->setColourScheme (useLight ? getLightCodeEditorColourScheme()
                                              : getDarkCodeEditorColourScheme());
        }
        else
        {
            editor->setColourScheme (cppTokeniser.getDefaultColourScheme());
        }
    }

    CodeEditorComponent::ColourScheme getDarkCodeEditorColourScheme()
    {
        struct Type
        {
            const char* name;
            juce::uint32 colour;
        };

        const Type types[] =
        {
            { "Error",              0xffe60000 },
            { "Comment",            0xff72d20c },
            { "Keyword",            0xffee6f6f },
            { "Operator",           0xffc4eb19 },
            { "Identifier",         0xffcfcfcf },
            { "Integer",            0xff42c8c4 },
            { "Float",              0xff885500 },
            { "String",             0xffbc45dd },
            { "Bracket",            0xff058202 },
            { "Punctuation",        0xffcfbeff },
            { "Preprocessor Text",  0xfff8f631 }
        };

        CodeEditorComponent::ColourScheme cs;

        for (auto& t : types)
            cs.set (t.name, Colour (t.colour));

        return cs;
    }

    CodeEditorComponent::ColourScheme getLightCodeEditorColourScheme()
    {
        struct Type
        {
            const char* name;
            juce::uint32 colour;
        };

        const Type types[] =
        {
            { "Error",              0xffcc0000 },
            { "Comment",            0xff00aa00 },
            { "Keyword",            0xff0000cc },
            { "Operator",           0xff225500 },
            { "Identifier",         0xff000000 },
            { "Integer",            0xff880000 },
            { "Float",              0xff885500 },
            { "String",             0xff990099 },
            { "Bracket",            0xff000055 },
            { "Punctuation",        0xff004400 },
            { "Preprocessor Text",  0xff660000 }
        };

        CodeEditorComponent::ColourScheme cs;

        for (auto& t : types)
            cs.set (t.name, Colour (t.colour));

        return cs;
    }

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CodeEditorDemo)
};