Last modified by Dilisi S on 2025/02/26 19:24
<
From version < 123.1 >
edited by Dilisi S
on 2024/12/24 04:36
To version < 131.1 >
edited by Dilisi S
on 2024/12/24 21:45
>
Change comment: Dec 24 edits - part 2

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140 140  === 2.2.2 Install SquareLine Studio ===
141 141  
142 142  
143 -Download and install the latest version of [[SquareLine Studio>>https://squareline.io/downloads#lastRelease]] on your computer. It supports Windows, Linux, and Mac OS. The software version we are using here is 1.4.2.
143 +Download and install the latest version of [[SquareLine Studio>>https://squareline.io/downloads#lastRelease]] on your computer. It supports Windows, Linux, and Mac OS. The software version we are using here is 1.5.0. See the image below.
144 144  
145 145  [[image:squareline.io_downloads.png]]
146 146  
... ... @@ -156,112 +156,115 @@
156 156  == 2.3 Simple usage of SquareLine Studio and exporting UI code ==
157 157  
158 158  
159 -After launching and logging into the software, create a new project as shown in Image 2.
159 +Start the SquareLine Studio. The **launcher screen** appears as shown in the below image. You can create a new project by clicking **Create** in the top menu. Then select the **Desktop** tab. Select the development platform, **Eclipse with  SDL for development on PC**.
160 160  
161 -* Select the major **LVGL** version as **8.3**.
162 -* Select the **Desktop** tab.
163 -* Select  **Eclipse with  SDL for  development on PC**:
164 -* In the **PROJECT SETTINGS**, select **LVGL version** **8.3.11**
165 -* Select the **CREATE **button.
161 +* In the **PROJECT SETTINGS**, select **LVGL version **as **8.3.11** and **Resolution** as **800** x **480**.
162 +* Select the **CREATE **button to create the new project with the selected settings.
166 166  
167 -[[image:image-20240928103357-2.png||height="680" width="708"]]
168 168  
169 - Image 2: Creating a new SquareLine project
165 +[[image:squareline-studio-launcher-screen.png]]
170 170  
171 171  
172 -Next, you need to configure some settings for this project. By clicking in the specified order shown in Image 3, you will be directed to the page displayed in Image 4.
173 173  
174 -* Select** File  -> Project Settings**
169 +Next, you need to configure some additional settings for this project. To do so, select** File  -> Project Settings** as shown in the image below.
175 175  
176 176  [[image:1727229582471-566.png]]
177 177  
178 - Image 3 accessing project settings
179 179  
174 +In the **PROJECT SETTINGS** dialog box, configure/modify the project settings as shown in the image below.
180 180  
181 -In the PROJECT SETTINGS dialog box, configure/modify the project settings:
182 -
183 183  * **UI Files Export Root**: Select a folder on your computer to store the UI files.
184 184  * **LVGL Include Path**: Set this to **lvgl.h**
185 -* **Click on the APPLY CHANGES button.**
178 +* Click on the **APPLY CHANGES** button.
186 186  
187 187  [[image:image-20240928105309-4.png||height="526" width="556"]]
188 188  
189 - Image 4 Configure/modify project settings
190 190  
183 +Now you can start building the user interface. Follow the steps below:
191 191  
192 -Now you can start building the sample UI. Follow the steps below:
193 193  
186 +=== **Add widgets** ===
194 194  
195 -=== Add widgets ===
196 196  
197 -To add widgets navigate to the **Widgets** area, then click on the widgets you want to add. The selected widgets will be added to the screen. You can reposition the widgets in the screen area by clicking and dragging them.
189 +To add a widget, navigate to the **Widgets** panel, and then click on the widget you want to add to the screen. You can reposition the widgets in the screen area by clicking and dragging them. Now add a **Label**, **Button**, and **Image** as shown in the image below. The added widgets are also displayed in the **Hierarchy **panel.
198 198  
199 -Add a Label, Button, and Image to the screen as shown in **Image 5**.
200 -
201 201  [[image:image-20240928111412-6.png||height="526" width="864"]]
202 202  
203 - Image 5: Add widgets
204 204  
205 -=== Modify widget properties ===
194 +Then click the **Screen **widget to add the second screen. After adding the second screen, it will appear in the Screens panel as **Screen2**.
206 206  
207 -The area for modifying widgets is called the **Inspector** tab. The Inspector tab consists of four sections: **COMPONENT**, **<WIDGET>**, **STYLE SETTINGS**, and **EVENTS**, as shown in Image 6.
196 +[[image:Screenshot 2024-12-24 140459.png||height="278" width="290"]]
208 208  
209 -The second section allows you to adjust a widget's layout, size, position, alignment, flags, states, and more. When you select a widget on the screen, the name of this section changes to match the name of the selected widget.
198 +=== **Modify widget properties** ===
210 210  
200 +
201 +The area for modifying widgets is called the **Inspector** panel. The Inspector panel consists of four sections: **COMPONENT**, **<WIDGET>**, **STYLE SETTINGS**, and **EVENTS**, as shown in the image below. The second section allows you to adjust a widget's layout, size, position, alignment, flags, states, and more. When you select a widget on the screen, the name of this section changes to match the name of the selected widget.
202 +
211 211  [[image:1727485118799-984.png]]
212 212  
213 - Image 6: The button widget's "Inspector" tab
214 214  
206 +==== **Changing the Button properties** ====
215 215  
216 -==== Changing the Button properties ====
217 217  
218 -Click the Button.
209 +Click the **Button **you have added to the screen. Under the **Layout** you can change the button's position and size. Use the following settings:
219 219  
220 -Under the "Layout" you can change the button's position and size.
211 +* **Flex Flow**: No Layout
212 +* **Transform**:
213 +** **X**: 331 px
214 +** **Y**: 203 px
215 +** **Width**: 100 px
216 +** **Height**: 50 px
217 +** **Align**: CENTER
221 221  
222 222  [[image:1727485251053-655.png]]
223 223  
224 -Image 7: The button widget's "BUTTON" tab
225 225  
226 -
227 227  Next, add a click event to the button. When the button is clicked, an event should trigger to change the current screen (Screen1) to a new screen (Screen2) with a fade effect and the transition from Screen1 to Screen2 should take 500ms.
228 228  
229 -* Click **ADD EVENT** button.
230 -* Select **CLICKED** under the Trigger.
231 -* Select **Screen2** from **Screen to**.
232 -* Select **FADE ON** from **Fade mode**.
233 -* Enter **500** in the **Speed** text box.
234 -* Finally, click **ADD** button.
224 +* Click **ADD EVENT** button. A new section will appear to configure this event.
235 235  
226 +[[image:Screenshot 2024-12-24 134937.png||height="80" width="290"]]
227 +
228 +* Select **CLICKED** from the dropdown under **Trigger**. Choose **CHANGE SCREEN** under **Action**, then click the **ADD** button. A new section will appear to configure the action.
229 +
230 +[[image:Screenshot 2024-12-24 134818.png||height="222" width="290"]]
231 +
232 +* Select **Screen2** under **Screen to**. Select **FADE ON** from **Fade mode**. The default value **500** means the transition takes 500 milliseconds to appear the Screen2.
233 +* Finally, click the **ADD** button.
234 +
236 236  [[image:1727485480434-713.png||height="395" width="290"]]
237 237  
238 - Image 8: Add an event for the button
237 + Image 8: Add an event for the button
239 239  
240 240  
241 -==== Changing the label properties ====
240 +==== **Changing the label properties** ====
242 242  
243 -Click the label. Under the **Label** section, type "Click For Detail" in the **Text** textbox.
244 244  
243 +Click the Label you have added to the screen. Under the **Label** section, type "**Click for Detail**" in the **Text** textbox.
245 245  
246 246  [[image:image-20240928090825-1.png||height="327" width="391"]]
247 247  
248 - Image 9:  Modify text of label widget
249 249  
248 +Once you enter the text, it will immediately appear on the label.
250 250  
251 -==== 4. Changing image properties ====
252 252  
253 -To use the image widget, you should first add an image to your project. The image format must be PNG, and its resolution should not exceed 800x480 pixels. There are two ways to add an image file. One way is to move your image into the folder "…/squareline project/assets/", as shown in image 10. The other way is to click the "ADD FILE INTO ASSETS" button, then select an image from your computer to import. After adding, you can see the image in the "assets" area in SquareLine Studio, as demonstrated in image 11.
251 +==== **Changing image properties** ====
254 254  
253 +
254 +To use the **Image **widget, you should first add an image to your project. The image format must be PNG, and its resolution should not exceed 800x480 pixels. There are two ways to add an image file.
255 +
256 +One way is to move your image into the folder "…/squareline project/assets/", as shown in the image below.
257 +
255 255  [[image:image-20240928113424-9.png||height="355" width="505"]]
256 256  
257 - image 10 add image file into SquareLine Studio project
258 258  
261 +The other way is to click the "**ADD FILE INTO ASSETS**" button, then select an image from your computer to import. After adding, you can see the image in the "**assets**" panel in SquareLine Studio, as shown in the image below.
262 +
259 259  [[image:image-20240928114139-10.png||height="559" width="810"]]
260 260  
261 - image 11 use image widget in SquareLine Studio
262 262  
266 +==== **The relationship between widgets** ====
263 263  
264 -==== 5. The relationship between widgets ====
265 265  
266 266  Widgets commonly have two types of relationships: **parallel** and **parent-child**.
267 267  
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271 271  [[image:1727486567182-334.png||height="318" width="278"]]
272 272  
273 273  
274 -Move **Label1** to make it a child of **Button1**. See Image 13.
277 +Move the label, **Label1** to make it a child of **Button1** as shown in the image below.
275 275  
276 276  [[image:image-20240928112001-8.png||height="431" width="796"]]
277 277  
278 - Image 13: Move Label1 to make it a child of Button1.
279 279  
282 +Then set the **X** and **Y** position of the label to **0** as shown in the image below. The label will appear on the button. If you move the button on the screen, the label will move along with it as part of the button.
280 280  
281 -**6. Preview the screen**
284 +[[image:Screenshot 2024-12-24 144005.png||height="360" width="290"]]
282 282  
286 +
287 +==== **Preview the screen** ====
288 +
289 +
283 283  You can test the result by clicking on the **PLAY** button. The screen will change into play mode. See Image 14.
284 284  
285 285  [[image:1727487368023-281.png]]
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351 351  
352 352  = 4. Example Project 2: LoRaWAN RS485 Alarm =
353 353  
354 -= 5.  The way to add a new panel to project =
361 += 5. The way to add a new panel to project =
355 355  
363 +
356 356  **~1. Design a panel in SquareLine Studio, using image 5.1 below as a reference.**
357 357  
358 358  [[image:image-20241121113445-1.png||height="584" width="934"]]
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359 359  
360 360   image 5.1 a panel about water_leak
361 361  
370 +
362 362  **2. Export the ui file.** You need  to adjust the export path first, then click "Export->Export UI Files". This step had been introduced before. Then you can get the ui files as shown in image 5.2.
363 363  
364 364  [[image:image-20241121141120-4.png||height="383" width="795"]]
... ... @@ -365,6 +365,7 @@
365 365  
366 366   image 5.2 ui files exported
367 367  
377 +
368 368  **3. Delete or rename some file.** Here are the steps:
369 369  
370 370   Step1 Delete the 'components' directory.
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499 499  
500 500   image 5.26 ui_water_leak_events_.c after modification
501 501  
512 +
502 502  **12. Modify ui_water_leak_style.c file.**
503 503  
504 504  Step1. '#include "../ui.h"'~-~->#include '"../ui_water_leak.h"'
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515 515  
516 516   image 5.28 ui_water_leak_style.c (1) after modification
517 517  
529 +
518 518  Step2. modify 'void ui_ScreenMain_screen_init(void)'~-~->'panel_with_type create_water_leak(uint8_t index)'
519 519  
520 520   delete code as shown in image 5.29
... ... @@ -523,6 +523,7 @@
523 523  
524 524   image 5.29 ui_water_leak_style.c (2)
525 525  
538 +
526 526  Step3. The image 5.30, 5.31 show the change.
527 527  
528 528  [[image:image-20241122152026-45.png||height="277" width="828"]]
... ... @@ -533,6 +533,7 @@
533 533  
534 534   image 5.31 ui_water_leak_style.c (3) after modification
535 535  
549 +
536 536  Step4. Copy partly the code in ui_water_leak.c, paste at extra_lib/sort.h(The process is shown in image 5.32, 5.33).
537 537  
538 538  [[image:image-20241122153958-47.png]]
... ... @@ -543,6 +543,7 @@
543 543  
544 544   image 5.33 ui_water_leak_style.c (4)
545 545  
560 +
546 546  Step5. Delete event function in code which was just pasted in extra_lib/sort.h(The process is shown in image 5.34).
547 547  
548 548  [[image:image-20241122155650-50.png||height="922" width="513"]]
... ... @@ -549,6 +549,7 @@
549 549  
550 550   image 5.34 ui_water_leak_style.c (5)
551 551  
567 +
552 552  Step6. Add some lines of code in extra_lib/sort.h as shown in image 5.35.
553 553  
554 554  [[image:image-20241122161934-51.png]]
... ... @@ -555,6 +555,7 @@
555 555  
556 556   image 5.35
557 557  
574 +
558 558  Step7. Add a line of code in extra_lib/sort.h as shown in image 5.36.
559 559  
560 560  [[image:image-20241122162852-53.png||height="330" width="529"]]
... ... @@ -561,6 +561,7 @@
561 561  
562 562   image 5.37
563 563  
581 +
564 564  Step8. Add some code in ui_water_leak_style.c as shown in image 5.38 from line534 to line 576 in detail.
565 565  
566 566  panel_with_type union_sensor;
... ... @@ -579,6 +579,7 @@
579 579  
580 580   image 5.38
581 581  
600 +
582 582  **13. Modify sort.c file.**
583 583  
584 584  Add a line of code ~-~-'#include "ui_water_leak.h"' as shown in image 5.39 line 16.
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