257 lines
6.9 KiB
Lua
257 lines
6.9 KiB
Lua
--
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-- KeyBinding Dialog Widget.
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-- @copyright Jefferson Gonzalez
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-- @license MIT
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--
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local keymap = require "core.keymap"
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local style = require "core.style"
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local Button = require "libraries.widget.button"
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local Dialog = require "libraries.widget.dialog"
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local Label = require "libraries.widget.label"
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local Line = require "libraries.widget.line"
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local ListBox = require "libraries.widget.listbox"
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local MessageBox = require "libraries.widget.messagebox"
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---@type widget.keybinddialog
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local current_dialog = nil
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---@class widget.keybinddialog : widget.dialog
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---@field super widget.dialog
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---@field selected integer
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---@field shortcuts widget.listbox
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---@field add widget.button
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---@field remove widget.button
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---@field line widget.line
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---@field message widget.label
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---@field binding widget.label
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---@field mouse_intercept widget.label
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---@field save widget.button
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---@field reset widget.button
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---@field cancel widget.button
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local KeybindDialog = Dialog:extend()
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---Constructor
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function KeybindDialog:new()
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KeybindDialog.super.new(self, "Keybinding Selector")
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self.type_name = "widget.keybinddialog"
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self.selected = nil
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local this = self
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self.shortcuts = ListBox(self.panel)
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self.shortcuts:set_size(100, 100)
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function self.shortcuts:on_row_click(idx, data)
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this.selected = idx
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end
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self.add = Button(self.panel, "Add")
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self.add:set_icon("B")
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function self.add:on_click()
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this.shortcuts:add_row({"none"})
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this.shortcuts:set_selected(#this.shortcuts.rows)
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this.shortcuts:set_visible_rows()
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this.selected = #this.shortcuts.rows
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end
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self.remove = Button(self.panel, "Remove")
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self.remove:set_icon("C")
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function self.remove:on_click()
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local selected = this.shortcuts:get_selected()
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if selected then
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this.shortcuts:remove_row(selected)
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this.shortcuts:set_selected(nil)
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this.selected = nil
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else
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MessageBox.error("No shortcut selected", "Please select an shortcut to remove")
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end
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end
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self.line = Line(self.panel)
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self.message = Label(self.panel, "Press a key combination to change selected")
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self.mouse_intercept = Label(self.panel, "Grab mouse events here")
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self.mouse_intercept.border.width = 1
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self.mouse_intercept.clickable = true
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self.mouse_intercept:set_size(100, 100)
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function self.mouse_intercept:on_mouse_pressed(button, x, y, clicks)
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keymap.on_mouse_pressed(button, x, y, clicks)
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return true
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end
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function self.mouse_intercept:on_mouse_wheel(y)
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keymap.on_mouse_wheel(y)
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return true
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end
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function self.mouse_intercept:on_mouse_enter(...)
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Label.super.on_mouse_enter(self, ...)
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self.border.color = style.caret
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end
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function self.mouse_intercept:on_mouse_leave(...)
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Label.super.on_mouse_leave(self, ...)
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self.border.color = style.text
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end
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self.save = Button(self.panel, "Save")
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self.save:set_icon("S")
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function self.save:on_click()
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this:on_save(this:get_bindings())
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this:on_close()
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end
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self.reset = Button(self.panel, "Reset")
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function self.reset:on_click()
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this:on_reset()
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this:on_close()
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end
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self.cancel = Button(self.panel, "Cancel")
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self.cancel:set_icon("C")
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function self.cancel:on_click()
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this:on_close()
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end
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end
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---@param bindings table<integer, string>
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function KeybindDialog:set_bindings(bindings)
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self.shortcuts:clear()
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for _, binding in ipairs(bindings) do
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self.shortcuts:add_row({binding})
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end
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if #bindings > 0 then
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self.shortcuts:set_selected(1)
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self.selected = 1
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end
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self.shortcuts:set_visible_rows()
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end
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---@return table<integer, string>
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function KeybindDialog:get_bindings()
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local bindings = {}
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for idx=1, #self.shortcuts.rows, 1 do
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table.insert(bindings, self.shortcuts:get_row_text(idx))
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end
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return bindings
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end
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---Show the dialog and enable key interceptions
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function KeybindDialog:show()
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current_dialog = self
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KeybindDialog.super.show(self)
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end
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---Hide the dialog and disable key interceptions
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function KeybindDialog:hide()
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current_dialog = nil
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KeybindDialog.super.hide(self)
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end
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---Called when the user clicks on save
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---@param bindings string
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function KeybindDialog:on_save(bindings) end
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---Called when the user clicks on reset
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function KeybindDialog:on_reset() end
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function KeybindDialog:update()
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if not KeybindDialog.super.update(self) then return false end
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self.shortcuts:set_position(style.padding.x/2, 0)
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self.add:set_position(
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style.padding.x/2,
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self.shortcuts:get_bottom() + style.padding.y
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)
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self.remove:set_position(
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self.add:get_right() + (style.padding.x/2),
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self.shortcuts:get_bottom() + style.padding.y
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)
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self.line:set_position(
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0,
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self.remove:get_bottom() + style.padding.y
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)
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self.message:set_position(
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style.padding.x/2,
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self.line:get_bottom() + style.padding.y
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)
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self.mouse_intercept:set_position(
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style.padding.x/2,
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self.message:get_bottom() + style.padding.y
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)
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self.save:set_position(
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style.padding.x/2,
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self.mouse_intercept:get_bottom() + style.padding.y
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)
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self.reset:set_position(
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self.save:get_right() + style.padding.x,
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self.mouse_intercept:get_bottom() + style.padding.y
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)
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self.cancel:set_position(
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self.reset:get_right() + style.padding.x,
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self.mouse_intercept:get_bottom() + style.padding.y
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)
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self.panel.size.x = self.panel:get_real_width() + style.padding.x
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self.panel.size.y = self.panel:get_real_height()
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self.size.x = self:get_real_width() - (style.padding.x / 2)
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self.size.y = self:get_real_height() + (style.padding.y / 2)
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self.shortcuts:set_size(self.size.x - style.padding.x)
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self.line:set_width(self.size.x - style.padding.x)
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self.mouse_intercept:set_size(self.size.x - style.padding.x)
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return true
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end
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--------------------------------------------------------------------------------
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-- Intercept keymap events
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--------------------------------------------------------------------------------
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-- Same declarations as in core.keymap because modkey_map is not public
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local macos = PLATFORM == "Mac OS X"
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local modkeys_os = require("core.modkeys-" .. (macos and "macos" or "generic"))
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local modkey_map = modkeys_os.map
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local modkeys = modkeys_os.keys
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---Copied from core.keymap because it is not public
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local function key_to_stroke(k)
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local stroke = ""
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for _, mk in ipairs(modkeys) do
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if keymap.modkeys[mk] then
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stroke = stroke .. mk .. "+"
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end
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end
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return stroke .. k
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end
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local keymap_on_key_pressed = keymap.on_key_pressed
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function keymap.on_key_pressed(k, ...)
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if current_dialog and current_dialog.selected then
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local mk = modkey_map[k]
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if mk then
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keymap.modkeys[mk] = true
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-- work-around for windows where `altgr` is treated as `ctrl+alt`
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if mk == "altgr" then
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keymap.modkeys["ctrl"] = false
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end
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current_dialog.shortcuts:set_row(current_dialog.selected, {key_to_stroke("")})
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else
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current_dialog.shortcuts:set_row(current_dialog.selected, {key_to_stroke(k)})
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end
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return true
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else
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return keymap_on_key_pressed(k, ...)
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end
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end
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return KeybindDialog
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