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https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
listbox improvements, tabbing while staying in frame (autoscroll)
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@ -7,7 +7,7 @@ local flasher = require("graphics.flasher")
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local core = {}
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core.version = "2.0.3"
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core.version = "2.0.4"
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core.flasher = flasher
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core.events = events
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@ -105,6 +105,7 @@ function element.new(args, child_offset_x, child_offset_y)
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value = nil, ---@type any
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window = nil, ---@type table
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content_window = nil, ---@type table|nil
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mouse_window_shift = { x = 0, y = 0 },
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fg_bg = core.cpair(colors.white, colors.black),
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frame = core.gframe(1, 1, 1, 1),
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children = {},
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@ -344,6 +345,10 @@ function element.new(args, child_offset_x, child_offset_y)
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-- handle this element having been unfocused
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function protected.on_unfocused() end
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-- handle this element having had a child focused
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---@param child graphics_element
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function protected.on_child_focused(child) end
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-- handle this element having been shown
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function protected.on_shown() end
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@ -520,6 +525,13 @@ function element.new(args, child_offset_x, child_offset_y)
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else args.parent.__focus_child(child) end
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end
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-- a child was focused, used to make sure it is actually visible to the user in the content frame
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---@param child graphics_element
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function public.__child_focused(child)
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protected.on_child_focused(child)
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if not self.is_root then args.parent.__child_focused(public) end
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end
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-- get a child element
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---@nodiscard
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---@param id element_id
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@ -652,6 +664,7 @@ function element.new(args, child_offset_x, child_offset_y)
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if args.can_focus and protected.enabled and not self.focused then
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self.focused = true
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protected.on_focused()
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if not self.is_root then args.parent.__child_focused(public) end
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end
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end
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@ -704,10 +717,11 @@ function element.new(args, child_offset_x, child_offset_y)
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end
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local event_T = events.mouse_transposed(event, self.position.x, self.position.y)
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-- handle the mouse event then pass to children
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protected.handle_mouse(event_T)
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for _, child in pairs(protected.children) do child.get().handle_mouse(event_T) end
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-- shift child event if the content window has moved then pass to children
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local c_event_T = events.mouse_transposed(event_T, protected.mouse_window_shift.x + 1, protected.mouse_window_shift.y + 1)
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for _, child in pairs(protected.children) do child.get().handle_mouse(c_event_T) end
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elseif event.type == events.MOUSE_CLICK.DOWN or event.type == events.MOUSE_CLICK.TAP then
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-- clicked out, unfocus this element and children
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public.unfocus_all()
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@ -158,6 +158,9 @@ local function listbox(args)
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scroll_frame.reposition(1, 1 + scroll_offset)
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scroll_frame.setVisible(true)
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-- shift mouse events
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e.mouse_window_shift.y = scroll_offset
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draw_bar()
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end
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@ -219,6 +222,28 @@ local function listbox(args)
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end
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end
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-- handle a child in the list being focused, make sure it is visible
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function e.on_child_focused(child)
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for i = 1, #list do
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local item = list[i] ---@type listbox_item
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if item.e == child then
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if (item.y + scroll_offset) <= 0 then
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scroll_offset = 1 - item.y
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update_positions()
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draw_bar()
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elseif (item.y + scroll_offset) == 1 then
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-- do nothing, it's right at the top (if the bottom doesn't fit we can't easily fix that)
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elseif ((item.h + item.y - 1) + scroll_offset) > e.frame.h then
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scroll_offset = 1 - ((item.h + item.y) - e.frame.h)
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update_positions()
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draw_bar()
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end
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return
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end
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end
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end
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-- handle mouse interaction
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---@param event mouse_interaction mouse event
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function e.handle_mouse(event)
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@ -226,23 +251,27 @@ local function listbox(args)
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if event.type == MOUSE_CLICK.TAP then
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if event.current.x == e.frame.w then
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if event.current.y == 1 or event.current.y < bar_bounds[1] then
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draw_arrows(1)
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scroll_up()
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if args.nav_active ~= nil then tcd.dispatch(0.25, function () draw_arrows(0) end) end
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if event.current.y == 1 then
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draw_arrows(1)
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if args.nav_active ~= nil then tcd.dispatch(0.25, function () draw_arrows(0) end) end
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end
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elseif event.current.y == e.frame.h or event.current.y > bar_bounds[2] then
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draw_arrows(-1)
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scroll_down()
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if args.nav_active ~= nil then tcd.dispatch(0.25, function () draw_arrows(0) end) end
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if event.current.y == e.frame.h then
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draw_arrows(-1)
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if args.nav_active ~= nil then tcd.dispatch(0.25, function () draw_arrows(0) end) end
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end
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end
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end
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elseif event.type == MOUSE_CLICK.DOWN then
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if event.current.x == e.frame.w then
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if event.current.y == 1 or event.current.y < bar_bounds[1] then
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draw_arrows(1)
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scroll_up()
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if event.current.y == 1 then draw_arrows(1) end
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elseif event.current.y == e.frame.h or event.current.y > bar_bounds[2] then
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draw_arrows(-1)
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scroll_down()
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if event.current.y == e.frame.h then draw_arrows(-1) end
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else
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-- clicked on bar
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holding_bar = true
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