Merge branch 'master' of https://github.com/littlevgl/lvgl
This commit is contained in:
14
README.md
14
README.md
@@ -71,7 +71,7 @@ Choose a project with your favourite IDE:
|
|||||||
### Porting to an embedded hardware
|
### Porting to an embedded hardware
|
||||||
In the most simple case you need to do these steps:
|
In the most simple case you need to do these steps:
|
||||||
1. Copy `lv_conf_templ.h` as `lv_conf.h` next to `lvgl` and set at least `LV_HOR_RES`, `LV_VER_RES` and `LV_COLOR_DEPTH`.
|
1. Copy `lv_conf_templ.h` as `lv_conf.h` next to `lvgl` and set at least `LV_HOR_RES`, `LV_VER_RES` and `LV_COLOR_DEPTH`.
|
||||||
2. Call `lv_tick_inc(x)` every `x` milliseconds **in a Timer or Task** (`x` should be between 1 and 10)
|
2. Call `lv_tick_inc(x)` every `x` milliseconds **in a Timer or Task** (`x` should be between 1 and 10). It is required for the internal timing of LittlevGL.
|
||||||
3. Call `lv_init()`
|
3. Call `lv_init()`
|
||||||
4. Register a function which can **copy a pixel array** to an area of the screen:
|
4. Register a function which can **copy a pixel array** to an area of the screen:
|
||||||
```c
|
```c
|
||||||
@@ -117,7 +117,7 @@ bool touchpad_read(lv_indev_data_t * data)
|
|||||||
return false; /*Return `false` because we are not buffering and no more data to read*/
|
return false; /*Return `false` because we are not buffering and no more data to read*/
|
||||||
}
|
}
|
||||||
```
|
```
|
||||||
6. Call `lv_task_handler()` periodically every few milliseconds in the main `while(1)` loop, in Timer interrupt or in an Operation system task.
|
6. Call `lv_task_handler()` periodically every few milliseconds in the main `while(1)` loop, in Timer interrupt or in an Operation system task. It will redraw the screen if required, handle input devices etc.
|
||||||
|
|
||||||
For a detailed description check the [Documentation](https://docs.littlevgl.com/#Porting) or the [Porting tutorial](https://github.com/littlevgl/lv_examples/blob/master/lv_tutorial/0_porting/lv_tutorial_porting.c)
|
For a detailed description check the [Documentation](https://docs.littlevgl.com/#Porting) or the [Porting tutorial](https://github.com/littlevgl/lv_examples/blob/master/lv_tutorial/0_porting/lv_tutorial_porting.c)
|
||||||
|
|
||||||
@@ -180,9 +180,7 @@ lv_btn_set_ink_out_time(btn, 300);
|
|||||||
|
|
||||||
#### Use LittlevGL from Micropython
|
#### Use LittlevGL from Micropython
|
||||||
```python
|
```python
|
||||||
|
|
||||||
# Create a Button and a Label
|
# Create a Button and a Label
|
||||||
|
|
||||||
scr = lv.obj()
|
scr = lv.obj()
|
||||||
btn = lv.btn(scr)
|
btn = lv.btn(scr)
|
||||||
btn.align(lv.scr_act(), lv.ALIGN.CENTER, 0, 0)
|
btn.align(lv.scr_act(), lv.ALIGN.CENTER, 0, 0)
|
||||||
@@ -190,16 +188,16 @@ label = lv.label(btn)
|
|||||||
label.set_text("Button")
|
label.set_text("Button")
|
||||||
|
|
||||||
# Load the screen
|
# Load the screen
|
||||||
|
|
||||||
lv.scr_load(scr)
|
lv.scr_load(scr)
|
||||||
```
|
```
|
||||||
|
|
||||||
Check out the [Documentation](https://docs.littlevgl.com/) for more!
|
Check out the [Documentation](https://docs.littlevgl.com/) for more!
|
||||||
|
|
||||||
### Contributing
|
### Contributing
|
||||||
To ask questions and discuss topics we use [GitHub's Issue tracker](https://github.com/littlevgl/lvgl/issues).
|
To ask questions please use the [Forum](https://forum.littlevgl.com).
|
||||||
You contribute in several ways:
|
FOr development related things (bug reports, feature suggestions) use [GitHub's Issue tracker](https://github.com/littlevgl/lvgl/issues).
|
||||||
- **Answer other's question** click the Watch button on the top to get notified about the issues
|
You can contribute in several ways:
|
||||||
|
- **Answer other's question** in the Forum
|
||||||
- **Report and/or fix bugs** using the issue tracker and in Pull-request
|
- **Report and/or fix bugs** using the issue tracker and in Pull-request
|
||||||
- **Suggest and/or implement new features** using the issue tracker and in Pull-request
|
- **Suggest and/or implement new features** using the issue tracker and in Pull-request
|
||||||
- **Improve and/or translate the documentation** learn more [here](https://github.com/littlevgl/docs)
|
- **Improve and/or translate the documentation** learn more [here](https://github.com/littlevgl/docs)
|
||||||
|
|||||||
@@ -21,6 +21,14 @@
|
|||||||
* DEFINES
|
* DEFINES
|
||||||
*********************/
|
*********************/
|
||||||
|
|
||||||
|
/* "free" is used as a function pointer (in lv_fs_drv_t).
|
||||||
|
* We must make sure "free" was not defined to a platform specific
|
||||||
|
* free function, otherwise compilation would fail.
|
||||||
|
*/
|
||||||
|
#ifdef free
|
||||||
|
#undef free
|
||||||
|
#endif
|
||||||
|
|
||||||
/**********************
|
/**********************
|
||||||
* TYPEDEFS
|
* TYPEDEFS
|
||||||
**********************/
|
**********************/
|
||||||
|
|||||||
@@ -1104,6 +1104,8 @@ static lv_res_t lv_ta_signal(lv_obj_t * ta, lv_signal_t sign, void * param)
|
|||||||
static lv_res_t lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param)
|
static lv_res_t lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param)
|
||||||
{
|
{
|
||||||
lv_res_t res;
|
lv_res_t res;
|
||||||
|
lv_obj_t * ta = lv_obj_get_parent(scrl);
|
||||||
|
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
|
||||||
|
|
||||||
/* Include the ancient signal function */
|
/* Include the ancient signal function */
|
||||||
res = scrl_signal(scrl, sign, param);
|
res = scrl_signal(scrl, sign, param);
|
||||||
@@ -1111,12 +1113,27 @@ static lv_res_t lv_ta_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void
|
|||||||
|
|
||||||
if(sign == LV_SIGNAL_REFR_EXT_SIZE) {
|
if(sign == LV_SIGNAL_REFR_EXT_SIZE) {
|
||||||
/*Set ext. size because the cursor might be out of this object*/
|
/*Set ext. size because the cursor might be out of this object*/
|
||||||
lv_obj_t * ta = lv_obj_get_parent(scrl);
|
|
||||||
lv_ta_ext_t * ext = lv_obj_get_ext_attr(ta);
|
|
||||||
lv_style_t * style_label = lv_obj_get_style(ext->label);
|
lv_style_t * style_label = lv_obj_get_style(ext->label);
|
||||||
lv_coord_t font_h = lv_font_get_height(style_label->text.font);
|
lv_coord_t font_h = lv_font_get_height(style_label->text.font);
|
||||||
scrl->ext_size = LV_MATH_MAX(scrl->ext_size, style_label->text.line_space + font_h);
|
scrl->ext_size = LV_MATH_MAX(scrl->ext_size, style_label->text.line_space + font_h);
|
||||||
}
|
}
|
||||||
|
#if 0
|
||||||
|
else if(sign == LV_SIGNAL_CORD_CHG) {
|
||||||
|
/*Set the label width according to the text area width*/
|
||||||
|
if(ext->label) {
|
||||||
|
if(lv_obj_get_width(ta) != lv_area_get_width(param) ||
|
||||||
|
lv_obj_get_height(ta) != lv_area_get_height(param)) {
|
||||||
|
lv_obj_t * scrl = lv_page_get_scrl(ta);
|
||||||
|
lv_style_t * style_scrl = lv_obj_get_style(scrl);
|
||||||
|
lv_obj_set_width(ext->label, lv_obj_get_width(scrl) - 2 * style_scrl->body.padding.hor);
|
||||||
|
lv_obj_set_pos(ext->label, style_scrl->body.padding.hor, style_scrl->body.padding.ver);
|
||||||
|
lv_label_set_text(ext->label, NULL); /*Refresh the label*/
|
||||||
|
|
||||||
|
refr_cursor_area(ta);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
return res;
|
return res;
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user