convert lvgl from submodule to a plain old directory

8 files changed, 295 insertions, 0 deletions

diff --git a/lib/lvgl b/lib/lvgl
deleted file mode 160000
-Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a
diff --git a/lib/lvgl/examples/widgets/textarea/index.rst b/lib/lvgl/examples/widgets/textarea/index.rst
new file mode 100644
index 00000000..9bb7bb51
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/index.rst
@@ -0,0 +1,20 @@
+
+Simple Text area
+"""""""""""""""""""""""
+
+.. lv_example:: widgets/textarea/lv_example_textarea_1
+  :language: c
+
+
+Text area with password field
+"""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/textarea/lv_example_textarea_2
+  :language: c
+
+Text auto-formatting
+"""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/textarea/lv_example_textarea_3
+  :language: c
+
diff --git a/lib/lvgl/examples/widgets/textarea/lv_example_textarea_1.c b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_1.c
new file mode 100644
index 00000000..d8689cb9
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_1.c
@@ -0,0 +1,44 @@
+#include "../../lv_examples.h"
+#if LV_USE_TEXTAREA && LV_BUILD_EXAMPLES
+
+static void textarea_event_handler(lv_event_t * e)
+{
+    lv_obj_t * ta = lv_event_get_target(e);
+    LV_LOG_USER("Enter was pressed. The current text is: %s", lv_textarea_get_text(ta));
+}
+
+static void btnm_event_handler(lv_event_t * e)
+{
+    lv_obj_t * obj = lv_event_get_target(e);
+    lv_obj_t * ta = lv_event_get_user_data(e);
+    const char * txt = lv_btnmatrix_get_btn_text(obj, lv_btnmatrix_get_selected_btn(obj));
+
+    if(strcmp(txt, LV_SYMBOL_BACKSPACE) == 0) lv_textarea_del_char(ta);
+    else if(strcmp(txt, LV_SYMBOL_NEW_LINE) == 0) lv_event_send(ta, LV_EVENT_READY, NULL);
+    else lv_textarea_add_text(ta, txt);
+
+}
+
+void lv_example_textarea_1(void)
+{
+    lv_obj_t * ta = lv_textarea_create(lv_scr_act());
+    lv_textarea_set_one_line(ta, true);
+    lv_obj_align(ta, LV_ALIGN_TOP_MID, 0, 10);
+    lv_obj_add_event_cb(ta, textarea_event_handler, LV_EVENT_READY, ta);
+    lv_obj_add_state(ta, LV_STATE_FOCUSED); /*To be sure the cursor is visible*/
+
+    static const char * btnm_map[] = {"1", "2", "3", "\n",
+                                      "4", "5", "6", "\n",
+                                      "7", "8", "9", "\n",
+                                      LV_SYMBOL_BACKSPACE, "0", LV_SYMBOL_NEW_LINE, ""
+                                     };
+
+    lv_obj_t * btnm = lv_btnmatrix_create(lv_scr_act());
+    lv_obj_set_size(btnm, 200, 150);
+    lv_obj_align(btnm, LV_ALIGN_BOTTOM_MID, 0, -10);
+    lv_obj_add_event_cb(btnm, btnm_event_handler, LV_EVENT_VALUE_CHANGED, ta);
+    lv_obj_clear_flag(btnm, LV_OBJ_FLAG_CLICK_FOCUSABLE); /*To keep the text area focused on button clicks*/
+    lv_btnmatrix_set_map(btnm, btnm_map);
+}
+
+#endif
diff --git a/lib/lvgl/examples/widgets/textarea/lv_example_textarea_1.py b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_1.py
new file mode 100644
index 00000000..c5571889
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_1.py
@@ -0,0 +1,32 @@
+def textarea_event_handler(e, ta):
+    print("Enter was pressed. The current text is: " + ta.get_text())
+
+
+def btnm_event_handler(e, ta):
+    obj = e.get_target()
+    txt = obj.get_btn_text(obj.get_selected_btn())
+    if txt == lv.SYMBOL.BACKSPACE:
+        ta.del_char()
+    elif txt == lv.SYMBOL.NEW_LINE:
+        lv.event_send(ta, lv.EVENT.READY, None)
+    elif txt:
+        ta.add_text(txt)
+
+
+ta = lv.textarea(lv.scr_act())
+ta.set_one_line(True)
+ta.align(lv.ALIGN.TOP_MID, 0, 10)
+ta.add_event_cb(lambda e: textarea_event_handler(e, ta), lv.EVENT.READY, None)
+ta.add_state(lv.STATE.FOCUSED)   # To be sure the cursor is visible
+
+btnm_map = ["1", "2", "3", "\n",
+            "4", "5", "6", "\n",
+            "7", "8", "9", "\n",
+            lv.SYMBOL.BACKSPACE, "0", lv.SYMBOL.NEW_LINE, ""]
+
+btnm = lv.btnmatrix(lv.scr_act())
+btnm.set_size(200, 150)
+btnm.align(lv.ALIGN.BOTTOM_MID, 0, -10)
+btnm.add_event_cb(lambda e: btnm_event_handler(e, ta), lv.EVENT.VALUE_CHANGED, None)
+btnm.clear_flag(lv.obj.FLAG.CLICK_FOCUSABLE)    # To keep the text area focused on button clicks
+btnm.set_map(btnm_map)
diff --git a/lib/lvgl/examples/widgets/textarea/lv_example_textarea_2.c b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_2.c
new file mode 100644
index 00000000..0a915caa
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_2.c
@@ -0,0 +1,59 @@
+#include "../../lv_examples.h"
+#if LV_USE_TEXTAREA && LV_USE_KEYBOARD && LV_BUILD_EXAMPLES
+
+static void ta_event_cb(lv_event_t * e);
+
+static lv_obj_t * kb;
+
+void lv_example_textarea_2(void)
+{
+    /*Create the password box*/
+    lv_obj_t * pwd_ta = lv_textarea_create(lv_scr_act());
+    lv_textarea_set_text(pwd_ta, "");
+    lv_textarea_set_password_mode(pwd_ta, true);
+    lv_textarea_set_one_line(pwd_ta, true);
+    lv_obj_set_width(pwd_ta, lv_pct(40));
+    lv_obj_set_pos(pwd_ta, 5, 20);
+    lv_obj_add_event_cb(pwd_ta, ta_event_cb, LV_EVENT_ALL, NULL);
+
+    /*Create a label and position it above the text box*/
+    lv_obj_t * pwd_label = lv_label_create(lv_scr_act());
+    lv_label_set_text(pwd_label, "Password:");
+    lv_obj_align_to(pwd_label, pwd_ta, LV_ALIGN_OUT_TOP_LEFT, 0, 0);
+
+    /*Create the one-line mode text area*/
+    lv_obj_t * text_ta = lv_textarea_create(lv_scr_act());
+    lv_textarea_set_one_line(text_ta, true);
+    lv_textarea_set_password_mode(text_ta, false);
+    lv_obj_set_width(text_ta, lv_pct(40));
+    lv_obj_add_event_cb(text_ta, ta_event_cb, LV_EVENT_ALL, NULL);
+    lv_obj_align(text_ta, LV_ALIGN_TOP_RIGHT, -5, 20);
+
+
+    /*Create a label and position it above the text box*/
+    lv_obj_t * oneline_label = lv_label_create(lv_scr_act());
+    lv_label_set_text(oneline_label, "Text:");
+    lv_obj_align_to(oneline_label, text_ta, LV_ALIGN_OUT_TOP_LEFT, 0, 0);
+
+    /*Create a keyboard*/
+    kb = lv_keyboard_create(lv_scr_act());
+    lv_obj_set_size(kb,  LV_HOR_RES, LV_VER_RES / 2);
+
+    lv_keyboard_set_textarea(kb, pwd_ta); /*Focus it on one of the text areas to start*/
+}
+
+static void ta_event_cb(lv_event_t * e)
+{
+    lv_event_code_t code = lv_event_get_code(e);
+    lv_obj_t * ta = lv_event_get_target(e);
+    if(code == LV_EVENT_CLICKED || code == LV_EVENT_FOCUSED) {
+        /*Focus on the clicked text area*/
+        if(kb != NULL) lv_keyboard_set_textarea(kb, ta);
+    }
+
+    else if(code == LV_EVENT_READY) {
+        LV_LOG_USER("Ready, current text: %s", lv_textarea_get_text(ta));
+    }
+}
+
+#endif
diff --git a/lib/lvgl/examples/widgets/textarea/lv_example_textarea_2.py b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_2.py
new file mode 100644
index 00000000..b418861d
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_2.py
@@ -0,0 +1,49 @@
+def ta_event_cb(e):
+    code = e.get_code()
+    ta = e.get_target()
+    if code == lv.EVENT.CLICKED or code == lv.EVENT.FOCUSED:
+        # Focus on the clicked text area
+        if kb != None:
+            kb.set_textarea(ta)
+
+    elif code == lv.EVENT.READY:
+        print("Ready, current text: " + ta.get_text())
+
+
+# Create the password box
+LV_HOR_RES = lv.scr_act().get_disp().driver.hor_res
+LV_VER_RES = lv.scr_act().get_disp().driver.ver_res
+
+pwd_ta = lv.textarea(lv.scr_act())
+pwd_ta.set_text("")
+pwd_ta.set_password_mode(True)
+pwd_ta.set_one_line(True)
+pwd_ta.set_width(LV_HOR_RES // 2 - 20)
+pwd_ta.set_pos(5, 20)
+pwd_ta.add_event_cb(ta_event_cb, lv.EVENT.ALL, None)
+
+# Create a label and position it above the text box
+pwd_label = lv.label(lv.scr_act())
+pwd_label.set_text("Password:")
+pwd_label.align_to(pwd_ta, lv.ALIGN.OUT_TOP_LEFT, 0, 0)
+
+# Create the one-line mode text area
+text_ta = lv.textarea(lv.scr_act())
+text_ta.set_width(LV_HOR_RES // 2 - 20)
+text_ta.set_one_line(True)
+text_ta.add_event_cb(ta_event_cb, lv.EVENT.ALL, None)
+text_ta.set_password_mode(False)
+
+text_ta.align(lv.ALIGN.TOP_RIGHT, -5, 20)
+
+# Create a label and position it above the text box
+oneline_label = lv.label(lv.scr_act())
+oneline_label.set_text("Text:")
+oneline_label.align_to(text_ta, lv.ALIGN.OUT_TOP_LEFT, 0, 0)
+
+# Create a keyboard
+kb = lv.keyboard(lv.scr_act())
+kb.set_size(LV_HOR_RES, LV_VER_RES // 2)
+
+kb.set_textarea(pwd_ta)  # Focus it on one of the text areas to start
+
diff --git a/lib/lvgl/examples/widgets/textarea/lv_example_textarea_3.c b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_3.c
new file mode 100644
index 00000000..d3a453a0
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_3.c
@@ -0,0 +1,41 @@
+#include "../../lv_examples.h"
+#if LV_USE_TEXTAREA && LV_USE_KEYBOARD && LV_BUILD_EXAMPLES
+
+static void ta_event_cb(lv_event_t * e);
+
+static lv_obj_t * kb;
+
+/**
+ * Automatically format text like a clock. E.g. "12:34"
+ * Add the ':' automatically.
+ */
+void lv_example_textarea_3(void)
+{
+    /*Create the text area*/
+    lv_obj_t * ta = lv_textarea_create(lv_scr_act());
+    lv_obj_add_event_cb(ta, ta_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
+    lv_textarea_set_accepted_chars(ta, "0123456789:");
+    lv_textarea_set_max_length(ta, 5);
+    lv_textarea_set_one_line(ta, true);
+    lv_textarea_set_text(ta, "");
+
+    /*Create a keyboard*/
+    kb = lv_keyboard_create(lv_scr_act());
+    lv_obj_set_size(kb,  LV_HOR_RES, LV_VER_RES / 2);
+    lv_keyboard_set_mode(kb, LV_KEYBOARD_MODE_NUMBER);
+    lv_keyboard_set_textarea(kb, ta);
+}
+
+static void ta_event_cb(lv_event_t * e)
+{
+    lv_obj_t * ta = lv_event_get_target(e);
+    const char * txt = lv_textarea_get_text(ta);
+    if(txt[0] >= '0' && txt[0] <= '9' &&
+       txt[1] >= '0' && txt[1] <= '9' &&
+       txt[2] != ':') {
+        lv_textarea_set_cursor_pos(ta, 2);
+        lv_textarea_add_char(ta, ':');
+    }
+}
+
+#endif
diff --git a/lib/lvgl/examples/widgets/textarea/lv_example_textarea_3.py b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_3.py
new file mode 100644
index 00000000..71d7c2d9
--- /dev/null
+++ b/lib/lvgl/examples/widgets/textarea/lv_example_textarea_3.py
@@ -0,0 +1,50 @@
+def ta_event_cb(e):
+    ta = e.get_target()
+    txt = ta.get_text()
+    # print(txt)
+    pos = ta.get_cursor_pos()
+    # print("cursor pos: ",pos)
+    # find position of ":" in text
+    colon_pos= txt.find(":")
+    # if there are more than 2 digits before the colon, remove the last one entered
+    if colon_pos == 3:
+        ta.del_char()
+    if colon_pos != -1:
+        # if there are more than 3 digits after the ":" remove the last one entered
+        rest = txt[colon_pos:]
+        if len(rest) > 3:
+            ta.del_char()
+
+    if len(txt) < 2:
+        return
+    if ":" in txt:
+        return
+    if  txt[0] >= '0' and txt[0] <= '9' and \
+        txt[1] >= '0' and txt[1] <= '9':
+        if len(txt) == 2 or txt[2] != ':' :
+            ta.set_cursor_pos(2)
+            ta.add_char(ord(':'))
+#
+# Automatically format text like a clock. E.g. "12:34"
+# Add the ':' automatically
+#
+# Create the text area
+
+LV_HOR_RES = lv.scr_act().get_disp().driver.hor_res
+LV_VER_RES = lv.scr_act().get_disp().driver.ver_res
+
+ta = lv.textarea(lv.scr_act())
+ta.add_event_cb(ta_event_cb, lv.EVENT.VALUE_CHANGED, None)
+ta.set_accepted_chars("0123456789:")
+ta.set_max_length(5)
+ta.set_one_line(True)
+ta.set_text("")
+ta.add_state(lv.STATE.FOCUSED)
+
+# Create a keyboard
+kb = lv.keyboard(lv.scr_act())
+kb.set_size(LV_HOR_RES, LV_VER_RES // 2)
+kb.set_mode(lv.keyboard.MODE.NUMBER)
+kb.set_textarea(ta)
+
+