140 lines
3.4 KiB
Lua
140 lines
3.4 KiB
Lua
local core = require "core"
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local common = require "core.common"
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local style = require "core.style"
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local keymap = require "core.keymap"
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local Object = require "core.object"
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local View = require "core.view"
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local DocView = require "core.docview"
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local Node = require "core.node"
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local function copy_position_and_size(dst, src)
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dst.position.x, dst.position.y = src.position.x, src.position.y
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dst.size.x, dst.size.y = src.size.x, src.size.y
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end
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local RootView = View:extend()
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function RootView:new()
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RootView.super.new(self)
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self.root_node = Node()
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self.deferred_draws = {}
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self.mouse = { x = 0, y = 0 }
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end
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function RootView:defer_draw(fn, ...)
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table.insert(self.deferred_draws, 1, { fn = fn, ... })
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end
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function RootView:get_active_node()
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return self.root_node:get_node_for_view(core.active_view)
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end
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function RootView:open_doc(doc)
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local node = self:get_active_node()
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if node.locked and core.last_active_view then
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core.set_active_view(core.last_active_view)
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node = self:get_active_node()
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end
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assert(not node.locked, "Cannot open doc on locked node")
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for i, view in ipairs(node.views) do
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if view.doc == doc then
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node:set_active_view(node.views[i])
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return view
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end
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end
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local view = DocView(doc)
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node:add_view(view)
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self.root_node:update_layout()
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view:scroll_to_line(view.doc:get_selection(), true, true)
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return view
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end
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function RootView:on_mouse_pressed(button, x, y, clicks)
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local div = self.root_node:get_divider_overlapping_point(x, y)
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if div then
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self.dragged_divider = div
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return
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end
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local node = self.root_node:get_child_overlapping_point(x, y)
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local idx = node:get_tab_overlapping_point(x, y)
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if idx then
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node:set_active_view(node.views[idx])
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if button == "middle" then
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node:close_active_view(self.root_node)
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end
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else
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core.set_active_view(node.active_view)
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node.active_view:on_mouse_pressed(button, x, y, clicks)
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end
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end
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function RootView:on_mouse_released(...)
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if self.dragged_divider then
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self.dragged_divider = nil
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end
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self.root_node:on_mouse_released(...)
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end
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function RootView:on_mouse_moved(x, y, dx, dy)
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if self.dragged_divider then
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local node = self.dragged_divider
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if node.type == "hsplit" then
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node.divider = node.divider + dx / node.size.x
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else
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node.divider = node.divider + dy / node.size.y
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end
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node.divider = common.clamp(node.divider, 0.01, 0.99)
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return
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end
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self.mouse.x, self.mouse.y = x, y
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self.root_node:on_mouse_moved(x, y, dx, dy)
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local node = self.root_node:get_child_overlapping_point(x, y)
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local div = self.root_node:get_divider_overlapping_point(x, y)
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if div then
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system.set_cursor(div.type == "hsplit" and "sizeh" or "sizev")
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elseif node:get_tab_overlapping_point(x, y) then
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system.set_cursor("arrow")
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else
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system.set_cursor(node.active_view.cursor)
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end
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end
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function RootView:on_mouse_wheel(...)
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local x, y = self.mouse.x, self.mouse.y
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local node = self.root_node:get_child_overlapping_point(x, y)
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node.active_view:on_mouse_wheel(...)
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end
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function RootView:on_text_input(...)
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core.active_view:on_text_input(...)
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end
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function RootView:update()
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copy_position_and_size(self.root_node, self)
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self.root_node:update()
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self.root_node:update_layout()
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end
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function RootView:draw()
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self.root_node:draw()
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while #self.deferred_draws > 0 do
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local t = table.remove(self.deferred_draws)
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t.fn(table.unpack(t))
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end
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end
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return RootView
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