text-editor-example.cpp
12.8 KB
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
/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/**
* @file simple-text-editor-example.cpp
* @brief Very basic usage of TextEditor control
*/
// EXTERNAL INCLUDES
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/table-view/table-view.h>
#include <sstream>
// INTERNAL INCLUDES
#include "shared/view.h"
using namespace Dali;
using namespace Dali::Toolkit;
namespace
{
const char* const THEME_PATH(DEMO_STYLE_DIR "text-editor-example-theme.json"); ///< The theme used for this example
const Vector4 BACKGROUND_COLOR(0.04f, 0.345f, 0.392f, 1.0f); ///< The background color.
const char* TOOLBAR_IMAGE = DEMO_IMAGE_DIR "top-bar.png"; ///< The tool-bar image.
const float TOOLBAR_BUTTON_PERCENTAGE = 0.1f; ///< The button's space width as a percentage of the toolbar's width.
const float TOOLBAR_TITLE_PERCENTAGE = 0.7f; ///< The title's width as a percentage of the toolbar's width.
const float TOOLBAR_HEIGHT_PERCENTAGE = 0.05f; ///< The toolbar's height as a percentage of the window's height.
const float TOOLBAR_PADDING = 4.f; ///< The padding in pixels.
const float BUTTON_PERCENTAGE = 0.8f; ///< The button's height as a percentage of the space for the buttons in the toolbar.
const Vector3 TEXT_EDITOR_RELATIVE_SIZE(0.9f, 0.5f, 1.0f); ///< The size of the text editor as a percentage of the window's size.
const Vector4 TEXT_EDITOR_BACKGROUND_COLOR(1.f, 1.f, 1.f, 0.15f); ///< The background color of the text editor.
const Vector4 COLORS[] = {Color::RED,
Color::GREEN,
Color::BLUE,
Color::YELLOW,
Color::CYAN,
Color::MAGENTA,
Color::WHITE,
Color::BLACK};
const unsigned int NUMBER_OF_COLORS = sizeof(COLORS) / sizeof(Vector4);
} // Unnamed namespace
/**
* @brief The main class of the demo.
*/
class TextEditorExample : public ConnectionTracker
{
public:
TextEditorExample(Application& application)
: mApplication(application)
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect(this, &TextEditorExample::Create);
}
~TextEditorExample()
{
// Nothing to do here.
}
/**
* One-time setup in response to Application InitSignal.
*/
void Create(Application& application)
{
Window window = application.GetWindow();
// Respond to key events
window.KeyEventSignal().Connect(this, &TextEditorExample::OnKeyEvent);
// Set a background color.
window.SetBackgroundColor(BACKGROUND_COLOR);
// The window size.
const Vector2 windowSize = window.GetSize();
// Creates a default view with a default tool bar.
// The view is added to the window.
// Set the toolbar style
const float toolBarHeight = TOOLBAR_HEIGHT_PERCENTAGE * windowSize.height;
const DemoHelper::ViewStyle viewStyle(TOOLBAR_BUTTON_PERCENTAGE,
TOOLBAR_TITLE_PERCENTAGE,
toolBarHeight,
TOOLBAR_PADDING);
Layer contents = DemoHelper::CreateView(mApplication,
mView,
mToolBar,
"",
TOOLBAR_IMAGE,
"",
viewStyle);
// Create a label for the color selection button.
// The button will be a child of this, so as to be placed next to it.
TextLabel colorLabel = TextLabel::New("Text Color: ");
colorLabel.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::WIDTH);
colorLabel.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
colorLabel.SetProperty(TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER");
// Create a container for the color button, to layout the drop-down list below it.
mColorContainer = Control::New();
mColorContainer.SetResizePolicy(ResizePolicy::DIMENSION_DEPENDENCY, Dimension::WIDTH);
mColorContainer.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::HEIGHT);
mColorContainer.SetProperty(Actor::Property::SIZE_MODE_FACTOR, Vector3(0.0f, BUTTON_PERCENTAGE, 0.0f));
// Place to right of parent.
mColorContainer.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER_RIGHT);
mColorContainer.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER_LEFT);
colorLabel.Add(mColorContainer);
// Add border to highlight harder-to-see colors.
// We use a color rather than border visual as the container will always be behind the button.
Property::Map colorMap;
colorMap.Insert(Toolkit::Visual::Property::TYPE, Visual::COLOR);
colorMap.Insert(ColorVisual::Property::MIX_COLOR, Color::BLACK);
mColorContainer.SetProperty(Control::Property::BACKGROUND, colorMap);
// Create a 'select color' button.
mColorButtonOption = Toolkit::PushButton::New();
mColorButtonOption.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
mColorButtonOption.SetProperty(Actor::Property::SIZE_MODE_FACTOR, Vector3(0.9f, 0.9f, 0.0f)); // Smaller than container to show border.
mColorButtonOption.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mColorButtonOption.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
SetButtonColor(mColorButtonOption, Color::BLACK);
mColorButtonOption.ClickedSignal().Connect(this, &TextEditorExample::OnChangeColorButtonClicked);
mColorContainer.Add(mColorButtonOption);
//Add label to toolbar, which will also add the color button next to it.
mToolBar.AddControl(colorLabel, viewStyle.mToolBarButtonPercentage, Toolkit::Alignment::HORIZONTAL_LEFT, DemoHelper::DEFAULT_MODE_SWITCH_PADDING);
// Create the text editor.
mEditor = TextEditor::New();
mEditor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
mEditor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
mEditor.SetProperty(Actor::Property::POSITION, Vector3(0.f, toolBarHeight * 2.0f, 0.f));
mEditor.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
mEditor.SetProperty(Actor::Property::SIZE_MODE_FACTOR, TEXT_EDITOR_RELATIVE_SIZE);
mEditor.SetBackgroundColor(TEXT_EDITOR_BACKGROUND_COLOR);
const Size boundingBoxSize(windowSize * TEXT_EDITOR_RELATIVE_SIZE.GetVectorXY());
Rect<int> boundingBox(0,
static_cast<int>(toolBarHeight),
static_cast<int>(boundingBoxSize.width),
static_cast<int>(boundingBoxSize.height - toolBarHeight));
mEditor.SetProperty(TextEditor::Property::DECORATION_BOUNDING_BOX, boundingBox);
mEditor.SetProperty(TextEditor::Property::TEXT_COLOR, Color::BLACK);
mEditor.SetProperty(TextEditor::Property::TEXT,
"Lorem ipsum dolor sit amet, aeque definiebas ea mei, posse iracundia ne cum.\n"
"Usu ne nisl maiorum iudicabit, veniam epicurei oporteat eos an.\n"
"Ne nec nulla regione albucius, mea doctus delenit ad!\n"
"Et everti blandit adversarium mei, eam porro neglegentur suscipiantur an.\n"
"Quidam corpora at duo. An eos possim scripserit?\n\n"
"Aťqui dicant sěnťenťíae aň vel!\n"
"Vis viris médiocrem elaboraret ét, verear civibus moderatius ex duo!\n"
"Án veri laborě iňtěgré quó, mei aď poššit lobortis, mei prompťa čonsťitůťó eů.\n"
"Aliquip sanctůs delicáta quí ěá, et natum aliquam est?\n"
"Asšúm sapěret usu ůť.\n"
"Síť ut apeirián laboramúš percipitur, sůas hařum ín éos?\n");
mEditor.InputStyleChangedSignal().Connect(this, &TextEditorExample::OnTextInputStyleChanged);
contents.Add(mEditor);
StyleManager styleManager = StyleManager::Get();
styleManager.ApplyTheme(THEME_PATH);
}
void CreateButtonContainer()
{
mButtonContainer = Toolkit::TableView::New(NUMBER_OF_COLORS, 1u);
mButtonContainer.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
mButtonContainer.SetProperty(Actor::Property::SIZE_MODE_FACTOR, Vector3(1.0f, NUMBER_OF_COLORS, 1.0f));
// Place below color selection button.
mButtonContainer.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
mButtonContainer.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
mButtonContainer.SetProperty(Actor::Property::POSITION, Vector3(0.0f, 2.f * TOOLBAR_PADDING, 0.f));
mColorContainer.Add(mButtonContainer);
const Vector3 buttonPercentage(1.f, 0.8f / static_cast<float>(NUMBER_OF_COLORS), 1.f);
for(unsigned int index = 0u; index < NUMBER_OF_COLORS; ++index)
{
Toolkit::PushButton button = Toolkit::PushButton::New();
button.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
button.SetProperty(Actor::Property::SIZE_MODE_FACTOR, buttonPercentage);
std::ostringstream s;
s << "color" << index;
button.SetProperty(Dali::Actor::Property::NAME, s.str());
SetButtonColor(button, COLORS[index]);
button.ClickedSignal().Connect(this, &TextEditorExample::OnColorButtonClicked);
mButtonContainer.Add(button);
}
}
void OnKeyEvent(const KeyEvent& event)
{
if(event.GetState() == KeyEvent::DOWN)
{
if(IsKey(event, Dali::DALI_KEY_ESCAPE) || IsKey(event, Dali::DALI_KEY_BACK))
{
// Exit application when click back or escape.
mApplication.Quit();
}
}
}
bool OnChangeColorButtonClicked(Button button)
{
if(!mButtonContainer)
{
CreateButtonContainer();
}
mButtonContainer.SetProperty(Actor::Property::VISIBLE, true);
mButtonContainer.SetProperty(Actor::Property::SENSITIVE, true);
return true;
}
bool OnColorButtonClicked(Button button)
{
const std::string& name = button.GetProperty<std::string>(Dali::Actor::Property::NAME);
Vector4 color;
if("color" == name.substr(0u, 5u))
{
const unsigned int index = strtoul(name.substr(5u, 1u).c_str(), NULL, 10u);
color = COLORS[index];
mEditor.SetProperty(TextEditor::Property::INPUT_COLOR, color);
}
SetButtonColor(mColorButtonOption, color);
mButtonContainer.SetProperty(Actor::Property::VISIBLE, false);
mButtonContainer.SetProperty(Actor::Property::SENSITIVE, false);
return true;
}
void OnTextInputStyleChanged(TextEditor editor, TextEditor::InputStyle::Mask mask)
{
if(TextEditor::InputStyle::NONE != static_cast<TextEditor::InputStyle::Mask>(mask & TextEditor::InputStyle::COLOR))
{
const Vector4 color = editor.GetProperty(TextEditor::Property::INPUT_COLOR).Get<Vector4>();
SetButtonColor(mColorButtonOption, color);
}
editor.Reset();
}
void SetButtonColor(Button& button, const Vector4& color)
{
Property::Map colorVisualMap;
colorVisualMap.Add(Toolkit::Visual::Property::TYPE, Visual::COLOR)
.Add(ColorVisual::Property::MIX_COLOR, color);
button.SetProperty(Button::Property::UNSELECTED_BACKGROUND_VISUAL, colorVisualMap);
button.SetProperty(Button::Property::SELECTED_BACKGROUND_VISUAL, colorVisualMap);
}
private:
Application& mApplication;
Toolkit::Control mView;
Toolkit::ToolBar mToolBar;
Toolkit::TextEditor mEditor;
Toolkit::Control mColorContainer;
Toolkit::PushButton mColorButtonOption;
Toolkit::TableView mButtonContainer;
};
int DALI_EXPORT_API main(int argc, char** argv)
{
// DALI_DEMO_THEME_PATH not passed to Application so TextEditor example uses default Toolkit style sheet.
Application application = Application::New(&argc, &argv);
TextEditorExample test(application);
application.MainLoop();
return 0;
}