lite-xl/data/core/titleview.lua

120 lines
3.4 KiB
Lua
Executable File

local core = require "core"
local common = require "core.common"
local style = require "core.style"
local View = require "core.view"
local restore_command = {
symbol = "w", action = function() system.set_window_mode("normal") end
}
local maximize_command = {
symbol = "W", action = function() system.set_window_mode("maximized") end
}
local title_commands = {
{symbol = "_", action = function() system.set_window_mode("minimized") end},
maximize_command,
{symbol = "X", action = function() core.quit() end},
}
local TitleView = View:extend()
local function title_view_height()
return style.font:get_height() + style.padding.y * 2
end
function TitleView:new()
TitleView.super.new(self)
self.visible = true
end
function TitleView:configure_hit_test(borderless)
if borderless then
local title_height = title_view_height()
local icon_w = style.icon_font:get_width("_")
local icon_spacing = icon_w
local controls_width = (icon_w + icon_spacing) * #title_commands + icon_spacing
system.set_window_hit_test(title_height, controls_width, icon_spacing)
-- core.hit_test_title_height = title_height
else
system.set_window_hit_test()
end
end
function TitleView:update()
self.size.y = self.visible and title_view_height() or 0
title_commands[2] = core.window_mode == "maximized" and restore_command or maximize_command
TitleView.super.update(self)
end
function TitleView:draw_window_title()
local h = style.font:get_height()
local ox, oy = self:get_content_offset()
local color = style.text
local x, y = ox + style.padding.x, oy + style.padding.y
x = common.draw_text(style.icon_font, color, "M ", nil, x, y, 0, h)
local title = core.compose_window_title(core.window_title)
common.draw_text(style.font, color, title, nil, x, y, 0, h)
end
function TitleView:each_control_item()
local icon_h, icon_w = style.icon_font:get_height(), style.icon_font:get_width("_")
local icon_spacing = icon_w
local ox, oy = self:get_content_offset()
ox = ox + self.size.x
local i, n = 0, #title_commands
local iter = function()
i = i + 1
if i <= n then
local dx = - (icon_w + icon_spacing) * (n - i + 1)
local dy = style.padding.y
return title_commands[i], ox + dx, oy + dy, icon_w, icon_h
end
end
return iter
end
function TitleView:draw_window_controls()
for item, x, y, w, h in self:each_control_item() do
local color = item == self.hovered_item and style.text or style.dim
common.draw_text(style.icon_font, color, item.symbol, nil, x, y, 0, h)
end
end
function TitleView:on_mouse_pressed(button, x, y, clicks)
local caught = TitleView.super.on_mouse_pressed(self, button, x, y, clicks)
if caught then return end
core.set_active_view(core.last_active_view)
if self.hovered_item then
self.hovered_item.action()
end
end
function TitleView:on_mouse_moved(px, py, ...)
if self.size.y == 0 then return end
TitleView.super.on_mouse_moved(self, px, py, ...)
self.hovered_item = nil
local x_min, x_max, y_min, y_max = self.size.x, 0, self.size.y, 0
for item, x, y, w, h in self:each_control_item() do
x_min, x_max = math.min(x, x_min), math.max(x + w, x_max)
y_min, y_max = y, y + h
if px > x and py > y and px <= x + w and py <= y + h then
self.hovered_item = item
return
end
end
end
function TitleView:draw()
self:draw_background(style.background2)
self:draw_window_title()
self:draw_window_controls()
end
return TitleView