mirror of
https://github.com/Insality/druid.git
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Update with rich input changes
This commit is contained in:
Insality
160
widget/rich_input/rich_input.gui
Normal file
160
widget/rich_input/rich_input.gui
Normal file
@@ -0,0 +1,160 @@
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fonts {
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name: "druid_text_bold"
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font: "/druid/fonts/druid_text_bold.font"
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}
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textures {
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name: "druid"
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texture: "/druid/druid.atlas"
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}
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nodes {
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size {
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x: 200.0
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y: 40.0
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}
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type: TYPE_BOX
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id: "root"
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inherit_alpha: true
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visible: false
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}
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nodes {
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size {
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x: 200.0
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y: 40.0
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}
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color {
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x: 0.31
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y: 0.318
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z: 0.322
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}
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type: TYPE_BOX
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texture: "druid/rect_round2_width2"
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id: "button"
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parent: "root"
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inherit_alpha: true
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slice9 {
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x: 4.0
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y: 4.0
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z: 4.0
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w: 4.0
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}
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}
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nodes {
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scale {
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x: 0.5
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y: 0.5
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}
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size {
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x: 380.0
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y: 50.0
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}
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color {
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x: 0.31
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y: 0.318
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z: 0.322
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}
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type: TYPE_TEXT
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text: "Placeholder"
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font: "druid_text_bold"
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id: "placeholder_text"
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outline {
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x: 0.4
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y: 0.4
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z: 0.4
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}
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shadow {
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x: 1.0
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y: 1.0
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z: 1.0
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}
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parent: "root"
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inherit_alpha: true
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outline_alpha: 0.0
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shadow_alpha: 0.0
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}
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nodes {
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scale {
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x: 0.5
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y: 0.5
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}
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size {
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x: 380.0
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y: 50.0
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}
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color {
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x: 0.722
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y: 0.741
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z: 0.761
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}
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type: TYPE_TEXT
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text: "User input"
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font: "druid_text_bold"
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id: "input_text"
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shadow {
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x: 1.0
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y: 1.0
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z: 1.0
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}
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parent: "root"
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inherit_alpha: true
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outline_alpha: 0.0
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shadow_alpha: 0.0
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}
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nodes {
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position {
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x: 61.0
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}
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scale {
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x: 0.5
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y: 0.5
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}
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size {
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x: 16.0
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y: 50.0
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}
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color {
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x: 0.631
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y: 0.843
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z: 0.961
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}
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type: TYPE_BOX
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texture: "druid/ui_circle_16"
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id: "cursor_node"
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parent: "root"
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inherit_alpha: true
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slice9 {
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x: 8.0
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y: 8.0
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z: 8.0
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w: 8.0
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}
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alpha: 0.5
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}
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nodes {
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position {
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x: -1.4
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y: 4.0
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}
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size {
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x: 20.0
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y: 40.0
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}
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color {
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x: 0.722
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y: 0.741
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z: 0.761
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}
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type: TYPE_TEXT
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text: "|"
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font: "druid_text_bold"
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id: "cursor_text"
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shadow {
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x: 1.0
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y: 1.0
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z: 1.0
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}
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parent: "cursor_node"
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outline_alpha: 0.0
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shadow_alpha: 0.0
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}
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material: "/builtins/materials/gui.material"
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adjust_reference: ADJUST_REFERENCE_PARENT
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296
widget/rich_input/rich_input.lua
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296
widget/rich_input/rich_input.lua
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@@ -0,0 +1,296 @@
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local helper = require("druid.helper")
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local const = require("druid.const")
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local utf8_lua = require("druid.system.utf8")
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local utf8 = utf8 or utf8_lua
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---The widget that handles a rich text input field, it's a wrapper around the druid.input component
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---@class widget.rich_input: druid.widget
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---@field root node The root node of the rich input
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---@field input druid.input The input component
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---@field cursor node The cursor node
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---@field cursor_text node The cursor text node
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---@field cursor_position vector3 The position of the cursor
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local M = {}
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local DOUBLE_CLICK_TIME = 0.35
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local TEMP_VECTOR = vmath.vector3(0)
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function M:init()
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self.root = self:get_node("root")
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self._last_touch_info = {
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cursor_index = nil,
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time = 0,
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}
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self.is_lshift = false
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self.is_lctrl = false
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self.input = self.druid:new_input("button", "input_text")
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self.is_button_input_enabled = gui.is_enabled(self.input.button.node)
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self.cursor = self:get_node("cursor_node")
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self.cursor_position = gui.get_position(self.cursor)
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self.cursor_text = self:get_node("cursor_text")
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self.drag = self.druid:new_drag("button", function(...) return self:_on_drag_callback(...) end)
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self.drag.on_touch_start:subscribe(function(...) return self:_on_touch_start_callback(...) end)
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self.drag:set_input_priority(const.PRIORITY_INPUT_MAX + 1)
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self.drag:set_enabled(false)
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self.input:set_text("")
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self.placeholder = self.druid:new_text("placeholder_text")
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self.text_position = gui.get_position(self.input.text.node)
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self.input.on_input_text:subscribe(function() return self:_update_text() end)
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self.input.on_input_select:subscribe(function() return self:_on_select() end)
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self.input.on_input_unselect:subscribe(function() return self:_on_unselect() end)
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self.input.on_select_cursor_change:subscribe(function() return self:_update_selection() end)
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self:_on_unselect()
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self:_update_text()
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end
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---@private
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---@param action_id hash Action id from on_input
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---@param action table Action table from on_input
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---@return boolean is_consumed True if input was consumed
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function M:on_input(action_id, action)
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if action_id == const.ACTION_LSHIFT then
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if action.pressed then
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self.is_lshift = true
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elseif action.released then
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self.is_lshift = false
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end
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end
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if action_id == const.ACTION_LCTRL or action_id == const.ACTION_LCMD then
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if action.pressed then
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self.is_lctrl = true
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elseif action.released then
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self.is_lctrl = false
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end
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end
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if self.input.is_selected then
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if action_id == const.ACTION_LEFT and (action.pressed or action.repeated) then
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self.input:move_selection(-1, self.is_lshift, self.is_lctrl)
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return true
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end
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if action_id == const.ACTION_RIGHT and (action.pressed or action.repeated) then
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self.input:move_selection(1, self.is_lshift, self.is_lctrl)
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return true
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end
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end
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return false
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end
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---Set placeholder text
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---@param placeholder_text string The placeholder text
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---@return widget.rich_input self Current instance
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function M:set_placeholder(placeholder_text)
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self.placeholder:set_text(placeholder_text)
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return self
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end
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---Select input field
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---@return widget.rich_input self Current instance
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function M:select()
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self.input:select()
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return self
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end
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---Set input field text
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---@param text string The input text
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---@return widget.rich_input self Current instance
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function M:set_text(text)
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self.input:set_text(text)
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gui.set_enabled(self.placeholder.node, true and #self.input:get_text() == 0)
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return self
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end
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---Set input field font
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---@param font hash The font hash
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---@return widget.rich_input self Current instance
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function M:set_font(font)
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gui.set_font(self.input.text.node, font)
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gui.set_font(self.placeholder.node, font)
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return self
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end
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---Set input field text
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function M:get_text()
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return self.input:get_text()
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end
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---Set allowed charaters for input field.
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-- See: https://defold.com/ref/stable/string/
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-- ex: [%a%d] for alpha and numeric
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---@param characters string Regular expression for validate user input
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---@return widget.rich_input self Current instance
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function M:set_allowed_characters(characters)
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self.input:set_allowed_characters(characters)
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return self
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end
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function M:_animate_cursor()
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gui.cancel_animation(self.cursor_text, "color.w")
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gui.set_alpha(self.cursor_text, 1)
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gui.animate(self.cursor_text, "color.w", 0, gui.EASING_INSINE, 0.8, 0, nil, gui.PLAYBACK_LOOP_PINGPONG)
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end
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function M:_set_selection_width(selection_width)
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gui.set_visible(self.cursor, selection_width > 0)
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local width = selection_width / self.input.text.scale.x
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local height = gui.get_size(self.cursor).y
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gui.set_size(self.cursor, vmath.vector3(width, height, 0))
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local is_selection_to_right = self.input.cursor_index == self.input.end_index
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gui.set_pivot(self.cursor, is_selection_to_right and gui.PIVOT_E or gui.PIVOT_W)
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end
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function M:_update_text()
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local full_text = self.input:get_text()
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local visible_text = self.input.text:get_text()
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local is_truncated = visible_text ~= full_text
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local cursor_index = self.input.cursor_index
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if is_truncated then
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-- If text is truncated, we need to adjust the cursor index
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-- to the last visible character
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cursor_index = utf8.len(visible_text)
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end
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local left_text_part = utf8.sub(self.input:get_text(), 0, cursor_index)
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local selected_text_part = utf8.sub(self.input:get_text(), self.input.start_index + 1, self.input.end_index)
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local left_part_width = self.input.text:get_text_size(left_text_part)
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local selected_part_width = self.input.text:get_text_size(selected_text_part)
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local pivot_text = gui.get_pivot(self.input.text.node)
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local pivot_offset = helper.get_pivot_offset(pivot_text)
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self.cursor_position.x = self.text_position.x - self.input.text_width * (0.5 + pivot_offset.x) + left_part_width
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gui.set_position(self.cursor, self.cursor_position)
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gui.set_scale(self.cursor, self.input.text.scale)
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self:_set_selection_width(selected_part_width)
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end
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function M:_on_select()
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gui.set_enabled(self.cursor, true)
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gui.set_enabled(self.placeholder.node, false)
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gui.set_enabled(self.input.button.node, true)
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self:_animate_cursor()
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self.drag:set_enabled(true)
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end
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function M:_on_unselect()
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gui.cancel_animation(self.cursor, gui.PROP_COLOR)
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gui.set_enabled(self.cursor, false)
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gui.set_enabled(self.input.button.node, self.is_button_input_enabled)
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gui.set_enabled(self.placeholder.node, true and #self.input:get_text() == 0)
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self.drag:set_enabled(false)
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end
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---Update selection
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function M:_update_selection()
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self:_update_text()
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end
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function M:_get_index_by_touch(touch)
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local text_node = self.input.text.node
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TEMP_VECTOR.x = touch.screen_x
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TEMP_VECTOR.y = touch.screen_y
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-- Distance to the text node position
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local scene_scale = helper.get_scene_scale(text_node)
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local local_pos = gui.screen_to_local(text_node, TEMP_VECTOR)
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local_pos.x = local_pos.x / scene_scale.x
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-- Offset to the left side of the text node
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local pivot_offset = helper.get_pivot_offset(gui.get_pivot(text_node))
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local_pos.x = local_pos.x + self.input.total_width * (0.5 + pivot_offset.x)
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local_pos.x = local_pos.x - self.text_position.x
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local cursor_index = self.input.text:get_text_index_by_width(local_pos.x)
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return cursor_index
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end
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function M:_on_touch_start_callback(touch)
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local cursor_index = self:_get_index_by_touch(touch)
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if self._last_touch_info.cursor_index == cursor_index then
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local time = socket.gettime()
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if time - self._last_touch_info.time < DOUBLE_CLICK_TIME then
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local len = utf8.len(self.input:get_text())
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self.input:select_cursor(len, 0, len)
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self._last_touch_info.cursor_index = nil
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return
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end
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end
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self._last_touch_info.cursor_index = cursor_index
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self._last_touch_info.time = socket.gettime()
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if self.input.is_lshift then
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local start_index = self.input.start_index
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local end_index = self.input.end_index
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if cursor_index < start_index then
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self.input:select_cursor(cursor_index, cursor_index, end_index)
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elseif cursor_index > end_index then
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self.input:select_cursor(cursor_index, start_index, cursor_index)
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end
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else
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self.input:select_cursor(cursor_index)
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end
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end
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---@param dx number The delta x position
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---@param dy number The delta y position
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---@param x number The x position
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---@param y number The y position
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---@param touch table The touch table
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function M:_on_drag_callback(dx, dy, x, y, touch)
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if not self._last_touch_info.cursor_index then
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return
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end
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local index = self:_get_index_by_touch(touch)
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if self._last_touch_info.cursor_index <= index then
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self.input:select_cursor(index, self._last_touch_info.cursor_index, index)
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else
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self.input:select_cursor(index, index, self._last_touch_info.cursor_index)
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end
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end
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return M
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Reference in New Issue
Block a user