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-rw-r--r--lua/widgets.lua303
1 files changed, 158 insertions, 145 deletions
diff --git a/lua/widgets.lua b/lua/widgets.lua
index 0aa3e0b4..96896636 100644
--- a/lua/widgets.lua
+++ b/lua/widgets.lua
@@ -10,21 +10,30 @@ local theme = require("theme")
local screen = require("screen")
local img = {
- db = lvgl.ImgData("//lua/img/db.png"),
- chg = lvgl.ImgData("//lua/img/bat/chg.png"),
- bat_100 = lvgl.ImgData("//lua/img/bat/100.png"),
- bat_80 = lvgl.ImgData("//lua/img/bat/80.png"),
- bat_60 = lvgl.ImgData("//lua/img/bat/60.png"),
- bat_40 = lvgl.ImgData("//lua/img/bat/40.png"),
- bat_20 = lvgl.ImgData("//lua/img/bat/20.png"),
- bat_0 = lvgl.ImgData("//lua/img/bat/0.png"),
- bat_0chg = lvgl.ImgData("//lua/img/bat/0chg.png"),
- bt_conn = lvgl.ImgData("//lua/assets/bt_conn.png"),
- bt = lvgl.ImgData("//lua/assets/bt.png")
+ db = lvgl.ImgData("//lua/img/db.png"),
+ chg = lvgl.ImgData("//lua/img/bat/chg.png"),
+ bat_100 = lvgl.ImgData("//lua/img/bat/100.png"),
+ bat_80 = lvgl.ImgData("//lua/img/bat/80.png"),
+ bat_60 = lvgl.ImgData("//lua/img/bat/60.png"),
+ bat_40 = lvgl.ImgData("//lua/img/bat/40.png"),
+ bat_20 = lvgl.ImgData("//lua/img/bat/20.png"),
+ bat_0 = lvgl.ImgData("//lua/img/bat/0.png"),
+ bat_0chg = lvgl.ImgData("//lua/img/bat/0chg.png"),
+ bt_conn = lvgl.ImgData("//lua/assets/bt_conn.png"),
+ bt = lvgl.ImgData("//lua/assets/bt.png")
}
local widgets = {}
+function widgets.Description(obj, text)
+ local label = obj:Label {}
+ if text then
+ label:set { text = text }
+ end
+ label:add_flag(lvgl.FLAG.HIDDEN)
+ return label
+end
+
widgets.MenuScreen = screen:new {
show_back = false,
title = "",
@@ -50,24 +59,24 @@ widgets.MenuScreen = screen:new {
}
function widgets.Row(parent, left, right)
- local container = parent:Object{
- flex = {
- flex_direction = "row",
- justify_content = "flex-start",
- align_items = "flex-start",
- align_content = "flex-start"
- },
- w = lvgl.PCT(100),
- h = lvgl.SIZE_CONTENT
- }
- container:add_style(styles.list_item)
- container:Label{
- text = left,
- flex_grow = 1
- }
- container:Label{
- text = right
- }
+ local container = parent:Object {
+ flex = {
+ flex_direction = "row",
+ justify_content = "flex-start",
+ align_items = "flex-start",
+ align_content = "flex-start"
+ },
+ w = lvgl.PCT(100),
+ h = lvgl.SIZE_CONTENT
+ }
+ container:add_style(styles.list_item)
+ container:Label {
+ text = left,
+ flex_grow = 1
+ }
+ container:Label {
+ text = right
+ }
end
local bindings_meta = {
@@ -102,7 +111,8 @@ function widgets.StatusBar(parent, opts)
w = lvgl.SIZE_CONTENT,
h = 12,
}
- back:Label({ text = "<", align = lvgl.ALIGN.CENTER })
+ local label = back:Label({ text = "<", align = lvgl.ALIGN.CENTER })
+ widgets.Description(label, "Back")
back:onClicked(opts.back_cb)
end
@@ -125,8 +135,8 @@ function widgets.StatusBar(parent, opts)
local charge_icon = battery_icon:Image { src = img.chg }
charge_icon:center()
- local is_charging = nil
- local percent = nil
+ local is_charging = nil
+ local percent = nil
local function update_battery_icon()
if is_charging == nil or percent == nil then return end
@@ -191,135 +201,138 @@ function widgets.StatusBar(parent, opts)
end
function widgets.IconBtn(parent, icon, text)
- local btn = parent:Button{
- flex = {
- flex_direction = "row",
- justify_content = "flex-start",
- align_items = "center",
- align_content = "center"
- },
- w = lvgl.SIZE_CONTENT,
- h = lvgl.SIZE_CONTENT,
- pad_top = 1,
- pad_bottom = 1,
- pad_left = 1,
- pad_column = 1
- }
- btn:Image{
- src = icon
- }
- btn:Label{
- text = text,
- text_font = font.fusion_10
- }
- return btn
+ local btn = parent:Button {
+ flex = {
+ flex_direction = "row",
+ justify_content = "flex-start",
+ align_items = "center",
+ align_content = "center"
+ },
+ w = lvgl.SIZE_CONTENT,
+ h = lvgl.SIZE_CONTENT,
+ pad_top = 1,
+ pad_bottom = 1,
+ pad_left = 1,
+ pad_column = 1
+ }
+ btn:Image {
+ src = icon
+ }
+ btn:Label {
+ text = text,
+ text_font = font.fusion_10
+ }
+ return btn
end
function widgets.InfiniteList(parent, iterator, opts)
- local infinite_list = {}
+ local infinite_list = {}
- infinite_list.root = lvgl.List(parent, {
- w = lvgl.PCT(100),
- h = lvgl.PCT(100),
- flex_grow = 1,
- scrollbar_mode = lvgl.SCROLLBAR_MODE.OFF
- })
+ infinite_list.root = lvgl.List(parent, {
+ w = lvgl.PCT(100),
+ h = lvgl.PCT(100),
+ flex_grow = 1,
+ scrollbar_mode = lvgl.SCROLLBAR_MODE.OFF
+ })
- local refreshing = false -- Used so that we can ignore focus events during this phase
- local function refresh_group()
- refreshing = true
- local group = lvgl.group.get_default()
- local focused_obj = group:get_focused()
- local num_children = infinite_list.root:get_child_cnt()
- -- remove all children from the group and re-add them
- for i = 0, num_children-1 do
- lvgl.group.remove_obj(infinite_list.root:get_child(i))
- end
- for i = 0, num_children-1 do
- group:add_obj(infinite_list.root:get_child(i))
- end
- if (focused_obj) then
- lvgl.group.focus_obj(focused_obj)
- end
- refreshing = false
+ local refreshing = false -- Used so that we can ignore focus events during this phase
+ local function refresh_group()
+ refreshing = true
+ local group = lvgl.group.get_default()
+ local focused_obj = group:get_focused()
+ local num_children = infinite_list.root:get_child_cnt()
+ if (focused_obj) then
+ group:clear_focus()
+ end
+ -- remove all children from the group and re-add them
+ for i = 0, num_children - 1 do
+ lvgl.group.remove_obj(infinite_list.root:get_child(i))
+ end
+ for i = 0, num_children - 1 do
+ group:add_obj(infinite_list.root:get_child(i))
+ end
+ if (focused_obj) then
+ lvgl.group.focus_obj(focused_obj)
end
+ refreshing = false
+ end
- local fwd_iterator = iterator:clone()
- local bck_iterator = iterator:clone()
+ local fwd_iterator = iterator:clone()
+ local bck_iterator = iterator:clone()
- local last_selected = 0
- local last_index = 0
- local first_index = 0
+ local last_selected = 0
+ local last_index = 0
+ local first_index = 0
- local function remove_top()
- local obj = infinite_list.root:get_child(0)
- obj:delete()
- first_index = first_index + 1
- bck_iterator:next()
- end
+ local function remove_top()
+ local obj = infinite_list.root:get_child(0)
+ obj:delete()
+ first_index = first_index + 1
+ bck_iterator:next()
+ end
- local function remove_last()
- local obj = infinite_list.root:get_child(-1)
- obj:delete()
- last_index = last_index - 1
- fwd_iterator:prev()
- end
+ local function remove_last()
+ local obj = infinite_list.root:get_child(-1)
+ obj:delete()
+ last_index = last_index - 1
+ fwd_iterator:prev()
+ end
- local function add_item(item, index)
- if not item then
- return
- end
- local this_item = index
- local add_to_top = false
- if this_item < first_index then
- first_index = this_item
- add_to_top = true
- end
- if this_item > last_index then last_index = index end
- local btn = infinite_list.root:add_btn(nil, tostring(item))
- if add_to_top then
- btn:move_to_index(0)
- end
- -- opts.callback should take an item and return a function matching the arg of onClicked
- if opts.callback then
- btn:onClicked(opts.callback(item))
+ local function add_item(item, index)
+ if not item then
+ return
+ end
+ local this_item = index
+ local add_to_top = false
+ if this_item < first_index then
+ first_index = this_item
+ add_to_top = true
+ end
+ if this_item > last_index then last_index = index end
+ local btn = infinite_list.root:add_btn(nil, tostring(item))
+ if add_to_top then
+ btn:move_to_index(0)
+ end
+ -- opts.callback should take an item and return a function matching the arg of onClicked
+ if opts.callback then
+ btn:onClicked(opts.callback(item))
+ end
+ btn:onevent(lvgl.EVENT.FOCUSED, function()
+ if refreshing then return end
+ if this_item > last_selected and this_item - first_index > 3 then
+ -- moving forward
+ local to_add = fwd_iterator:next()
+ if to_add then
+ remove_top()
+ add_item(to_add, last_index + 1)
end
- btn:onevent(lvgl.EVENT.FOCUSED, function()
- if refreshing then return end
- if this_item > last_selected and this_item - first_index > 3 then
- -- moving forward
- local to_add = fwd_iterator:next()
- if to_add then
- remove_top()
- add_item(to_add, last_index+1)
- end
- end
- if this_item < last_selected then
- -- moving backward
- if (first_index > 0 and last_index - this_item > 3) then
- local to_add = bck_iterator:prev();
- if to_add then
- remove_last()
- add_item(to_add, first_index-1)
- refresh_group()
- end
- end
+ end
+ if this_item < last_selected then
+ -- moving backward
+ if (first_index > 0 and last_index - this_item > 3) then
+ local to_add = bck_iterator:prev();
+ if to_add then
+ remove_last()
+ add_item(to_add, first_index - 1)
+ refresh_group()
end
- last_selected = this_item
- end)
- btn:add_style(styles.list_item)
- return btn
- end
-
- for idx = 0, 8 do
- local val = fwd_iterator()
- if not val then
- break
end
- add_item(val, idx)
+ end
+ last_selected = this_item
+ end)
+ btn:add_style(styles.list_item)
+ return btn
+ end
+
+ for idx = 0, 8 do
+ local val = fwd_iterator()
+ if not val then
+ break
end
+ add_item(val, idx)
+ end
- return infinite_list
+ return infinite_list
end
return widgets
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-29 16:55:03 +0000