111 lines
4.3 KiB
Lua
111 lines
4.3 KiB
Lua
-- MultiCraft: builtin/common/btn_style.lua
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-- luacheck: read_globals PLATFORM
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local fmt = string.format
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local device_is_tablet = core.settings:get_bool("device_is_tablet", false)
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local screen_density = core.get_screen_info().density
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function is_high_dpi()
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if PLATFORM == "OSX" then
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return tonumber(core.settings:get("screen_dpi")) / 72 >= 2
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elseif PLATFORM == "iOS" and device_is_tablet then
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return screen_density >= 2
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else
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return screen_density >= 3
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end
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end
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local DIR_DELIM_esc = core.formspec_escape(DIR_DELIM)
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local button_path = (INIT == "mainmenu" and defaulttexturedir_esc or "") .. "gui" .. DIR_DELIM_esc
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function btn_style(field, color, no_padding)
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local high_dpi = is_high_dpi()
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local btn_size = high_dpi and ".x2" or ""
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color = (color and "_" .. color) or ""
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local bgimg_middle = high_dpi and 48 or 32
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local retval =
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"style[" .. field .. ";border=false]" ..
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"style[" .. field .. ";bgimg=" .. button_path .. "gui_button" .. color .. btn_size ..
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".png;bgimg_middle=" .. bgimg_middle .. ";padding=" ..
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(no_padding and -bgimg_middle or (high_dpi and -36 or -24)) .. "]"
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if color ~= "_gray" and color:sub(-8) ~= "_pressed" then
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retval = retval ..
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"style[" .. field .. ":hovered;bgimg=" .. button_path .. "gui_button" .. color .. "_hovered" .. btn_size ..
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".png]" ..
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"style[" .. field .. ":pressed;bgimg=" .. button_path .. "gui_button" .. color .. "_pressed" .. btn_size ..
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".png]"
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end
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return retval
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end
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--------------------------------------------------------------------------------
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function get_dropdown(x, y, w, name, items, selected_idx, dropdown_open, max_items)
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local fs = {}
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fs[#fs + 1] = fmt("style[%s;bgimg=%s%s;bgimg_middle=32;padding=-24;border=false]",
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name, button_path, dropdown_open and "dropdown_open.png" or "dropdown.png")
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fs[#fs + 1] = fmt("button[%s,%s;%s,0.8;%s;%s]", x, y, w, name, items[selected_idx])
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fs[#fs + 1] = fmt("image[%s,%s;0.3375,0.225;%sdropdown_arrow.png]",
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x + w - 0.2 - 0.3375, y + 0.325, button_path)
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if dropdown_open then
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-- Make clicking outside of the dropdown close the menu
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fs[#fs + 1] = "image_button[-50,-50;100,100;;dropdown_close;;true;false]"
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max_items = max_items or 6
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local scroll_container = #items > max_items
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if scroll_container then
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fs[#fs + 1] = fmt("scroll_container[%s,%s;%s,%s;scrbar;vertical]", x, y + 0.79, w, 0.79 * max_items)
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else
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fs[#fs + 1] = fmt("container[%s,%s]", x, y + 0.79)
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end
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-- Add a button for each dropdown entry
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for i, entry in ipairs(items) do
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local btn_name = "dropdown_" .. i
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local suffix = i <= 6 and i == #items and "_end" or ""
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fs[#fs + 1] = fmt("style[%s;bgimg=%sdropdown_bg%s.png;bgimg_middle=32;padding=-24;border=false;noclip=%s]",
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btn_name, button_path, suffix, scroll_container and "false" or "true")
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fs[#fs + 1] = fmt("style[%s:hovered,%s:pressed;bgimg=%sdropdown_bg%s_hover.png]",
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btn_name, btn_name, button_path, suffix)
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-- 0.79 is used to prevent any 1px gaps between entries
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fs[#fs + 1] = fmt("button[0,%s;%s,0.8;%s;%s]", (i - 1) * 0.79, w, btn_name, entry)
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end
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if scroll_container then
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fs[#fs + 1] = "scroll_container_end[]"
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local outer_h = max_items * 0.79
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local inner_h = #items * 0.79
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local scrollbar_max = (inner_h - outer_h) * 10
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fs[#fs + 1] = fmt("scrollbaroptions[max=%d;thumbsize=%s]", math.ceil(scrollbar_max),
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(outer_h / inner_h) * scrollbar_max)
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fs[#fs + 1] = fmt("scrollbar[%s,%s;0.7,%s;vertical;scrbar;0;" ..
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"%sscrollbar_bg.png,%sscrollbar_slider.png,%sscrollbar_up.png,%sscrollbar_down.png]",
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x + w - 0.76, y + 0.84, outer_h - 0.11, button_path, button_path, button_path, button_path)
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fs[#fs + 1] = fmt("image[%s,%s;%s,0.79;%sdropdown_fg_end.png;32]", x, y + outer_h + 0.02, w, button_path)
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else
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fs[#fs + 1] = "container_end[]"
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end
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end
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return table.concat(fs)
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end
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--------------------------------------------------------------------------------
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function checkbox(x, y, name, label, checked, small)
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-- Note: checkbox[] sends a "true" or "false" value in fields but this
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-- doesn't, code will have to be changed to toggle the value and redraw the
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-- formspec instead
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return ([[
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image[%s,%.3f;0.4,0.4;%sgui%scheckbox%s.png]
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label[%s,%.3f;%s]
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image_button[%s,%.2f;%s,0.5;;%s;;false;false]
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]]):format(
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x, y - 0.2, defaulttexturedir_esc, DIR_DELIM_esc, checked and "_checked" or "",
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x + 0.6, y, label,
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x, y - 0.25, small and 4.3 or 7, name
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)
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end
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