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/lvgl-3.7.0/examples/styles/
Dlv_example_style_15.c9 lv_obj_t * btn; in lv_example_style_15() local
13 btn = lv_btn_create(lv_scr_act()); in lv_example_style_15()
14 lv_obj_set_size(btn, 100, 40); in lv_example_style_15()
15 lv_obj_align(btn, LV_ALIGN_CENTER, 0, -70); in lv_example_style_15()
17 label = lv_label_create(btn); in lv_example_style_15()
23 btn = lv_btn_create(lv_scr_act()); in lv_example_style_15()
24 lv_obj_set_size(btn, 100, 40); in lv_example_style_15()
25 lv_obj_set_style_opa(btn, LV_OPA_50, 0); in lv_example_style_15()
26 lv_obj_align(btn, LV_ALIGN_CENTER, 0, 0); in lv_example_style_15()
28 label = lv_label_create(btn); in lv_example_style_15()
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Dlv_example_style_14.c43 lv_obj_t * btn; in lv_example_style_14() local
46 btn = lv_btn_create(lv_scr_act()); in lv_example_style_14()
47 lv_obj_align(btn, LV_ALIGN_TOP_MID, 0, 20); in lv_example_style_14()
49 label = lv_label_create(btn); in lv_example_style_14()
54 btn = lv_btn_create(lv_scr_act()); in lv_example_style_14()
55 lv_obj_align(btn, LV_ALIGN_BOTTOM_MID, 0, -20); in lv_example_style_14()
57 label = lv_label_create(btn); in lv_example_style_14()
Dlv_example_style_14.py28 btn = lv.btn(lv.scr_act())
29 btn.align(lv.ALIGN.TOP_MID, 0, 20)
31 label = lv.label(btn)
36 btn = lv.btn(lv.scr_act())
37 btn.align(lv.ALIGN.BOTTOM_MID, 0, -20)
39 label = lv.label(btn)
/lvgl-3.7.0/examples/widgets/list/
Dlv_example_list_1.c22 lv_obj_t * btn; in lv_example_list_1() local
25 btn = lv_list_add_btn(list1, LV_SYMBOL_FILE, "New"); in lv_example_list_1()
26 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_list_1()
27 btn = lv_list_add_btn(list1, LV_SYMBOL_DIRECTORY, "Open"); in lv_example_list_1()
28 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_list_1()
29 btn = lv_list_add_btn(list1, LV_SYMBOL_SAVE, "Save"); in lv_example_list_1()
30 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_list_1()
31 btn = lv_list_add_btn(list1, LV_SYMBOL_CLOSE, "Delete"); in lv_example_list_1()
32 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_list_1()
33 btn = lv_list_add_btn(list1, LV_SYMBOL_EDIT, "Edit"); in lv_example_list_1()
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Dlv_example_list_2.c122 lv_obj_t * btn; in lv_example_list_2() local
125 btn = lv_btn_create(list1); in lv_example_list_2()
126 lv_obj_set_width(btn, lv_pct(50)); in lv_example_list_2()
127 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_list_2()
129 lv_obj_t * lab = lv_label_create(btn); in lv_example_list_2()
143 btn = lv_list_add_btn(list2, NULL, "Top"); in lv_example_list_2()
144 lv_obj_add_event_cb(btn, event_handler_top, LV_EVENT_ALL, NULL); in lv_example_list_2()
145 lv_group_remove_obj(btn); in lv_example_list_2()
147 btn = lv_list_add_btn(list2, LV_SYMBOL_UP, "Up"); in lv_example_list_2()
148 lv_obj_add_event_cb(btn, event_handler_up, LV_EVENT_ALL, NULL); in lv_example_list_2()
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Dlv_example_list_2.py99 btn = lv.btn(list1) variable
100 btn.set_width(lv.pct(100))
101 btn.add_event_cb( event_handler, lv.EVENT.CLICKED, None)
102 lab = lv.label(btn)
115 btn = list2.add_btn(None, "Top") variable
116 btn.add_event_cb(event_handler_top, lv.EVENT.ALL, None)
117 lv.group_remove_obj(btn)
119 btn = list2.add_btn(lv.SYMBOL.UP, "Up") variable
120 btn.add_event_cb(event_handler_up, lv.EVENT.ALL, None)
121 lv.group_remove_obj(btn)
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/lvgl-3.7.0/examples/widgets/spinbox/
Dlv_example_spinbox_1.py20 btn = lv.btn(lv.scr_act()) variable
21 btn.set_size(h, h)
22 btn.align_to(spinbox, lv.ALIGN.OUT_RIGHT_MID, 5, 0)
23 btn.set_style_bg_img_src(lv.SYMBOL.PLUS, 0)
24 btn.add_event_cb(increment_event_cb, lv.EVENT.ALL, None)
26 btn = lv.btn(lv.scr_act()) variable
27 btn.set_size(h, h)
28 btn.align_to(spinbox, lv.ALIGN.OUT_LEFT_MID, -5, 0)
29 btn.set_style_bg_img_src(lv.SYMBOL.MINUS, 0)
30 btn.add_event_cb(decrement_event_cb, lv.EVENT.ALL, None)
Dlv_example_spinbox_1.c33 lv_obj_t * btn = lv_btn_create(lv_scr_act()); in lv_example_spinbox_1() local
34 lv_obj_set_size(btn, h, h); in lv_example_spinbox_1()
35 lv_obj_align_to(btn, spinbox, LV_ALIGN_OUT_RIGHT_MID, 5, 0); in lv_example_spinbox_1()
36 lv_obj_set_style_bg_img_src(btn, LV_SYMBOL_PLUS, 0); in lv_example_spinbox_1()
37 lv_obj_add_event_cb(btn, lv_spinbox_increment_event_cb, LV_EVENT_ALL, NULL); in lv_example_spinbox_1()
39 btn = lv_btn_create(lv_scr_act()); in lv_example_spinbox_1()
40 lv_obj_set_size(btn, h, h); in lv_example_spinbox_1()
41 lv_obj_align_to(btn, spinbox, LV_ALIGN_OUT_LEFT_MID, -5, 0); in lv_example_spinbox_1()
42 lv_obj_set_style_bg_img_src(btn, LV_SYMBOL_MINUS, 0); in lv_example_spinbox_1()
43 lv_obj_add_event_cb(btn, lv_spinbox_decrement_event_cb, LV_EVENT_ALL, NULL); in lv_example_spinbox_1()
/lvgl-3.7.0/examples/others/msg/
Dlv_example_msg_2.c39 lv_obj_t * btn; in lv_example_msg_2() local
43 btn = lv_btn_create(lv_scr_act()); in lv_example_msg_2()
44 lv_obj_set_pos(btn, 240, 10); in lv_example_msg_2()
45 lv_obj_add_event_cb(btn, log_out_event_cb, LV_EVENT_ALL, NULL); in lv_example_msg_2()
46 lv_msg_subsribe_obj(MSG_LOGIN_OK, btn, NULL); in lv_example_msg_2()
47 lv_msg_subsribe_obj(MSG_LOG_OUT, btn, NULL); in lv_example_msg_2()
49 label = lv_label_create(btn); in lv_example_msg_2()
62 btn = lv_btn_create(lv_scr_act()); in lv_example_msg_2()
63 lv_obj_set_pos(btn, 10, 80); in lv_example_msg_2()
64 lv_obj_add_event_cb(btn, start_engine_msg_event_cb, LV_EVENT_MSG_RECEIVED, NULL); in lv_example_msg_2()
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Dlv_example_msg_3.c38 lv_obj_t * btn; in lv_example_msg_3() local
42 btn = lv_btn_create(panel); in lv_example_msg_3()
43 lv_obj_set_flex_grow(btn, 1); in lv_example_msg_3()
44 lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL); in lv_example_msg_3()
45 label = lv_label_create(btn); in lv_example_msg_3()
58 btn = lv_btn_create(panel); in lv_example_msg_3()
59 lv_obj_set_flex_grow(btn, 1); in lv_example_msg_3()
60 lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL); in lv_example_msg_3()
61 label = lv_label_create(btn); in lv_example_msg_3()
109 lv_obj_t * btn = lv_event_get_target(e); in btn_event_cb() local
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/lvgl-3.7.0/demos/music/
Dlv_demo_music_list.c147 lv_obj_t * btn = lv_obj_get_child(list, track_id); in _lv_demo_music_list_btn_check() local
148 lv_obj_t * icon = lv_obj_get_child(btn, 0); in _lv_demo_music_list_btn_check()
151 lv_obj_add_state(btn, LV_STATE_CHECKED); in _lv_demo_music_list_btn_check()
153 lv_obj_scroll_to_view(btn, LV_ANIM_ON); in _lv_demo_music_list_btn_check()
156 lv_obj_clear_state(btn, LV_STATE_CHECKED); in _lv_demo_music_list_btn_check()
173 lv_obj_t * btn = lv_obj_create(parent); in add_list_btn() local
174 lv_obj_remove_style_all(btn); in add_list_btn()
176 lv_obj_set_size(btn, lv_pct(100), 110); in add_list_btn()
178 lv_obj_set_size(btn, lv_pct(100), 60); in add_list_btn()
181 lv_obj_add_style(btn, &style_btn, 0); in add_list_btn()
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/lvgl-3.7.0/examples/get_started/
Dlv_example_get_started_1.py8 btn = lv.btn(lv.scr_act()) # Add a button the current screen
9 btn.set_pos(10, 10) # Set its position
10 btn.set_size(120, 50) # Set its size
11 btn.align(lv.ALIGN.CENTER,0,0)
12 btn.add_event_cb(self.btn_event_cb, lv.EVENT.ALL, None) # Assign a callback to the button
13 label = lv.label(btn) # Add a label to the button
19 btn = evt.get_target()
24 label = btn.get_child(0)
Dlv_example_get_started_1.c7 lv_obj_t * btn = lv_event_get_target(e); in btn_event_cb() local
13 lv_obj_t * label = lv_obj_get_child(btn, 0); in btn_event_cb()
23 lv_obj_t * btn = lv_btn_create(lv_scr_act()); /*Add a button the current screen*/ in lv_example_get_started_1() local
24 lv_obj_set_pos(btn, 10, 10); /*Set its position*/ in lv_example_get_started_1()
25 lv_obj_set_size(btn, 120, 50); /*Set its size*/ in lv_example_get_started_1()
26 …lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL); /*Assign a callback to the b… in lv_example_get_started_1()
28 lv_obj_t * label = lv_label_create(btn); /*Add a label to the button*/ in lv_example_get_started_1()
Dlv_example_get_started_2.py35 btn = lv.btn(lv.scr_act()) # Add a button the current screen variable
39 btn.remove_style_all() # Remove the styles coming from the theme
40 btn.set_pos(10, 10) # Set its position
41 btn.set_size(120, 50) # Set its size
42 btn.add_style(style_btn, 0)
43 btn.add_style(style_btn_pressed, lv.STATE.PRESSED)
45 label = lv.label(btn) # Add a label to the button
50 btn2 = lv.btn(lv.scr_act())
Dlv_example_get_started_2.c53 lv_obj_t * btn = lv_btn_create(lv_scr_act()); in lv_example_get_started_2() local
57 lv_obj_remove_style_all(btn); in lv_example_get_started_2()
58 lv_obj_set_pos(btn, 10, 10); in lv_example_get_started_2()
59 lv_obj_set_size(btn, 120, 50); in lv_example_get_started_2()
60 lv_obj_add_style(btn, &style_btn, 0); in lv_example_get_started_2()
61 lv_obj_add_style(btn, &style_btn_pressed, LV_STATE_PRESSED); in lv_example_get_started_2()
64 lv_obj_t * label = lv_label_create(btn); in lv_example_get_started_2()
/lvgl-3.7.0/examples/others/gridnav/
Dlv_example_gridnav_3.c36 lv_obj_t * btn; in lv_example_gridnav_3() local
39 btn = lv_btn_create(cont_main); in lv_example_gridnav_3()
40 lv_group_remove_obj(btn); in lv_example_gridnav_3()
41 label = lv_label_create(btn); in lv_example_gridnav_3()
44 btn = lv_btn_create(cont_main); in lv_example_gridnav_3()
45 lv_group_remove_obj(btn); in lv_example_gridnav_3()
46 label = lv_label_create(btn); in lv_example_gridnav_3()
85 btn = lv_btn_create(cont_sub2); in lv_example_gridnav_3()
86 lv_group_remove_obj(btn); in lv_example_gridnav_3()
87 label = lv_label_create(btn); in lv_example_gridnav_3()
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/lvgl-3.7.0/examples/event/
Dlv_example_event_1.py8 btn = lv.btn(lv.scr_act())
9 btn.set_size(100, 50)
10 btn.center()
11 btn.add_event_cb(self.event_cb, lv.EVENT.CLICKED, None)
13 label = lv.label(btn)
20 btn = e.get_target()
21 label = btn.get_child(0)
Dlv_example_event_1.c9 lv_obj_t * btn = lv_event_get_target(e); in event_cb() local
10 lv_obj_t * label = lv_obj_get_child(btn, 0); in event_cb()
20 lv_obj_t * btn = lv_btn_create(lv_scr_act()); in lv_example_event_1() local
21 lv_obj_set_size(btn, 100, 50); in lv_example_event_1()
22 lv_obj_center(btn); in lv_example_event_1()
23 lv_obj_add_event_cb(btn, event_cb, LV_EVENT_CLICKED, NULL); in lv_example_event_1()
25 lv_obj_t * label = lv_label_create(btn); in lv_example_event_1()
Dlv_example_event_2.py11 btn = lv.btn(lv.scr_act()) variable
12 btn.set_size(100, 50)
13 btn.center()
15 btn_label = lv.label(btn)
22 btn.add_event_cb(lambda e: event_cb(e,info_label), lv.EVENT.ALL, None)
Dlv_example_event_3.py8 if type(target) != type(lv.btn()):
24 btn = lv.btn(cont) variable
25 btn.set_size(80, 50)
26 btn.add_flag(lv.obj.FLAG.EVENT_BUBBLE)
28 label = lv.label(btn)
Dlv_example_event_2.c32 lv_obj_t * btn = lv_btn_create(lv_scr_act()); in lv_example_event_2() local
33 lv_obj_set_size(btn, 100, 50); in lv_example_event_2()
34 lv_obj_center(btn); in lv_example_event_2()
36 lv_obj_t * btn_label = lv_label_create(btn); in lv_example_event_2()
43 lv_obj_add_event_cb(btn, event_cb, LV_EVENT_ALL, info_label); in lv_example_event_2()
Dlv_example_event_3.c32 lv_obj_t * btn = lv_btn_create(cont); in lv_example_event_3() local
33 lv_obj_set_size(btn, 80, 50); in lv_example_event_3()
34 lv_obj_add_flag(btn, LV_OBJ_FLAG_EVENT_BUBBLE); in lv_example_event_3()
36 lv_obj_t * label = lv_label_create(btn); in lv_example_event_3()
/lvgl-3.7.0/examples/widgets/win/
Dlv_example_win_1.c13 lv_obj_t * btn; in lv_example_win_1() local
14 btn = lv_win_add_btn(win, LV_SYMBOL_LEFT, 40); in lv_example_win_1()
15 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_win_1()
19 btn = lv_win_add_btn(win, LV_SYMBOL_RIGHT, 40); in lv_example_win_1()
20 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_win_1()
22 btn = lv_win_add_btn(win, LV_SYMBOL_CLOSE, 60); in lv_example_win_1()
23 lv_obj_add_event_cb(btn, event_handler, LV_EVENT_CLICKED, NULL); in lv_example_win_1()
/lvgl-3.7.0/examples/widgets/tileview/
Dlv_example_tileview_1.py17 btn = lv.btn(tile2) variable
19 label = lv.label(btn)
22 btn.set_size(lv.SIZE.CONTENT, lv.SIZE.CONTENT)
23 btn.center()
/lvgl-3.7.0/docs/widgets/extra/
Dmenu.md10 - Back btn: [lv_btn](/widgets/core/btn)
11 - Back btn icon: [lv_img](/widgets/core/img)
15 - Back btn: [lv_btn](/widgets/core/btn)
16 - Back btn icon: [lv_img](/widgets/core/img)
50 For instance, you have created a btn obj in the main page. When you click the btn obj, you want it …
65 - `LV_EVENT_CLICKED` Sent when a back btn in a header from either main or sidebar is clicked. `LV_O…
66 - `lv_menu_back_btn_is_root(menu, btn)` to check if btn is root back btn

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