File: FlexBoxDemo.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 (319 lines) | stat: -rw-r--r-- 13,166 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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
/*
  ==============================================================================

   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:             FlexBoxDemo
 version:          1.0.0
 vendor:           JUCE
 website:          http://juce.com
 description:      Responsive layouts using FlexBox.

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

 moduleFlags:      JUCE_STRICT_REFCOUNTEDPOINTER=1

 type:             Component
 mainClass:        FlexBoxDemo

 useLocalCopy:     1

 END_JUCE_PIP_METADATA

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

#pragma once

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

//==============================================================================
struct DemoFlexPanel   : public juce::Component
{
    DemoFlexPanel (juce::Colour col, FlexItem& item)
        : flexItem (item), colour (col)
    {
        int x = 70;
        int y = 3;

        setupTextEditor (flexOrderEditor, { x, y, 20, 18 }, "0", [this] { flexItem.order = (int) flexOrderEditor.getText().getFloatValue(); });
        addLabel ("order", flexOrderEditor);
        y += 20;

        setupTextEditor (flexGrowEditor, { x, y, 20, 18 }, "0", [this] { flexItem.flexGrow = flexGrowEditor.getText().getFloatValue(); });
        addLabel ("flex-grow", flexGrowEditor);
        y += 20;

        setupTextEditor (flexShrinkEditor, { x, y, 20, 18 }, "1", [this] { flexItem.flexShrink = flexShrinkEditor.getText().getFloatValue(); });
        addLabel ("flex-shrink", flexShrinkEditor);
        y += 20;

        setupTextEditor (flexBasisEditor, { x, y, 33, 18 }, "100", [this] { flexItem.flexBasis = flexBasisEditor.getText().getFloatValue(); });
        addLabel ("flex-basis", flexBasisEditor);
        y += 20;

        alignSelfCombo.addItem ("auto",       1);
        alignSelfCombo.addItem ("flex-start", 2);
        alignSelfCombo.addItem ("flex-end",   3);
        alignSelfCombo.addItem ("center",     4);
        alignSelfCombo.addItem ("stretch",    5);

        alignSelfCombo.setBounds (x, y, 90, 18);
        alignSelfCombo.onChange = [this] { updateAssignSelf(); };
        alignSelfCombo.setSelectedId (5);
        alignSelfCombo.setColour (ComboBox::outlineColourId, Colours::transparentBlack);
        addAndMakeVisible (alignSelfCombo);
        addLabel ("align-self", alignSelfCombo);
    }

    void setupTextEditor (TextEditor& te, Rectangle<int> b, StringRef initialText, std::function<void()> updateFn)
    {
        te.setBounds (b);
        te.setText (initialText);

        te.onTextChange = [this, updateFn]
        {
            updateFn();
            refreshLayout();
        };

        addAndMakeVisible (te);
    }

    void addLabel (const String& name, Component& target)
    {
        auto label = new Label (name, name);
        label->attachToComponent (&target, true);
        labels.add (label);
        addAndMakeVisible (label);
    }

    void updateAssignSelf()
    {
        switch (alignSelfCombo.getSelectedId())
        {
            case 1:  flexItem.alignSelf = FlexItem::AlignSelf::autoAlign; break;
            case 2:  flexItem.alignSelf = FlexItem::AlignSelf::flexStart; break;
            case 3:  flexItem.alignSelf = FlexItem::AlignSelf::flexEnd;   break;
            case 4:  flexItem.alignSelf = FlexItem::AlignSelf::center;    break;
            case 5:  flexItem.alignSelf = FlexItem::AlignSelf::stretch;   break;
        }

        refreshLayout();
    }

    void refreshLayout()
    {
        if (auto parent = getParentComponent())
            parent->resized();
    }

    void paint (Graphics& g) override
    {
        auto r = getLocalBounds();

        g.setColour (colour);
        g.fillRect (r);

        g.setColour (Colours::black);
        g.drawFittedText ("w: " + String (r.getWidth()) + newLine + "h: " + String (r.getHeight()),
                          r.reduced (4), Justification::bottomRight, 2);
    }

    void lookAndFeelChanged() override
    {
        flexOrderEditor .applyFontToAllText (flexOrderEditor .getFont());
        flexGrowEditor  .applyFontToAllText (flexGrowEditor  .getFont());
        flexShrinkEditor.applyFontToAllText (flexShrinkEditor.getFont());
        flexBasisEditor .applyFontToAllText (flexBasisEditor .getFont());
    }

    FlexItem& flexItem;

    TextEditor flexOrderEditor, flexGrowEditor, flexShrinkEditor, flexBasisEditor;
    ComboBox alignSelfCombo;

    juce::Colour colour;
    OwnedArray<Label> labels;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DemoFlexPanel)

};

//==============================================================================
struct FlexBoxDemo   : public juce::Component
{
    FlexBoxDemo()
    {
        setupPropertiesPanel();
        setupFlexBoxItems();

        setSize (1000, 500);
    }

    void resized() override
    {
        flexBox.performLayout (getFlexBoxBounds());
    }

    Rectangle<float> getFlexBoxBounds() const
    {
        return getLocalBounds().withTrimmedLeft (300)
                               .reduced (10)
                               .toFloat();
    }

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

    void setupPropertiesPanel()
    {
        auto directionGroup = addControl (new GroupComponent ("direction", "flex-direction"));
        directionGroup->setBounds (10, 30, 140, 110);

        int i = 0;
        int groupID    = 1234;
        int leftMargin = 15;
        int topMargin  = 45;

        createToggleButton ("row",            groupID, leftMargin, topMargin + i++ * 22, true,  [this] { flexBox.flexDirection = FlexBox::Direction::row; }).setToggleState (true, dontSendNotification);
        createToggleButton ("row-reverse",    groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.flexDirection = FlexBox::Direction::rowReverse; });
        createToggleButton ("column",         groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.flexDirection = FlexBox::Direction::column; });
        createToggleButton ("column-reverse", groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.flexDirection = FlexBox::Direction::columnReverse; });

        auto wrapGroup = addControl (new GroupComponent ("wrap", "flex-wrap"));
        wrapGroup->setBounds (160, 30, 140, 110);

        i = 0;
        ++groupID;
        leftMargin = 165;

        createToggleButton ("nowrap",       groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.flexWrap = FlexBox::Wrap::noWrap; });
        createToggleButton ("wrap",         groupID, leftMargin, topMargin + i++ * 22, true,  [this] { flexBox.flexWrap = FlexBox::Wrap::wrap; });
        createToggleButton ("wrap-reverse", groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.flexWrap = FlexBox::Wrap::wrapReverse; });

        auto justifyGroup = addControl (new GroupComponent ("justify", "justify-content"));
        justifyGroup->setBounds (10, 150, 140, 140);

        i = 0;
        ++groupID;
        leftMargin = 15;
        topMargin  = 165;

        createToggleButton ("flex-start",    groupID, leftMargin, topMargin + i++ * 22, true,  [this] { flexBox.justifyContent = FlexBox::JustifyContent::flexStart; });
        createToggleButton ("flex-end",      groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.justifyContent = FlexBox::JustifyContent::flexEnd; });
        createToggleButton ("center",        groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.justifyContent = FlexBox::JustifyContent::center; });
        createToggleButton ("space-between", groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.justifyContent = FlexBox::JustifyContent::spaceBetween; });
        createToggleButton ("space-around",  groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.justifyContent = FlexBox::JustifyContent::spaceAround; });

        auto alignGroup = addControl (new GroupComponent ("align", "align-items"));
        alignGroup->setBounds (160, 150, 140, 140);

        i = 0;
        ++groupID;
        leftMargin = 165;
        topMargin  = 165;

        createToggleButton ("stretch",    groupID, leftMargin, topMargin + i++ * 22, true,  [this] { flexBox.alignItems = FlexBox::AlignItems::stretch; });
        createToggleButton ("flex-start", groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignItems = FlexBox::AlignItems::flexStart; });
        createToggleButton ("flex-end",   groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignItems = FlexBox::AlignItems::flexEnd; });
        createToggleButton ("center",     groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignItems = FlexBox::AlignItems::center; });

        auto alignContentGroup = addControl (new GroupComponent ("content", "align-content"));
        alignContentGroup->setBounds (10, 300, 140, 160);

        i = 0;
        ++groupID;
        leftMargin = 15;
        topMargin  = 315;

        createToggleButton ("stretch",       groupID, leftMargin, topMargin + i++ * 22, true,  [this] { flexBox.alignContent = FlexBox::AlignContent::stretch; });
        createToggleButton ("flex-start",    groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignContent = FlexBox::AlignContent::flexStart; });
        createToggleButton ("flex-end",      groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignContent = FlexBox::AlignContent::flexEnd; });
        createToggleButton ("center",        groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignContent = FlexBox::AlignContent::center; });
        createToggleButton ("space-between", groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignContent = FlexBox::AlignContent::spaceBetween; });
        createToggleButton ("space-around",  groupID, leftMargin, topMargin + i++ * 22, false, [this] { flexBox.alignContent = FlexBox::AlignContent::spaceAround; });
    }

    void setupFlexBoxItems()
    {
        addItem (Colours::orange);
        addItem (Colours::aqua);
        addItem (Colours::lightcoral);
        addItem (Colours::aquamarine);
        addItem (Colours::forestgreen);
    }

    void addItem (Colour colour)
    {
        flexBox.items.add (FlexItem (100, 150)
                             .withMargin (10)
                             .withWidth (200));

        auto& flexItem = flexBox.items.getReference (flexBox.items.size() - 1);

        auto panel = panels.add (new DemoFlexPanel (colour, flexItem));
        flexItem.associatedComponent = panel;
        addAndMakeVisible (panel);
    }

    ToggleButton& createToggleButton (StringRef text, int groupID, int x, int y, bool toggleOn, std::function<void()> fn)
    {
        auto* tb = buttons.add (new ToggleButton());
        tb->setButtonText (text);
        tb->setRadioGroupId (groupID);
        tb->setToggleState (toggleOn, dontSendNotification);

        tb->onClick = [this, fn]
        {
            fn();
            resized();
        };

        tb->setBounds (x, y, 130, 22);
        addAndMakeVisible (tb);
        return *tb;
    }

    template <typename ComponentType>
    ComponentType* addControl (ComponentType* newControlComp)
    {
        controls.add (newControlComp);
        addAndMakeVisible (newControlComp);
        return newControlComp;
    }

    FlexBox flexBox;

    OwnedArray<DemoFlexPanel> panels;
    OwnedArray<Component> controls;
    OwnedArray<ToggleButton> buttons;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FlexBoxDemo)
};