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show tooltips only when hovering over text

This commit is contained in:
takase1121 2021-03-20 00:57:06 +00:00
parent d191e8ee34
commit cdf5b9b9b8
1 changed files with 21 additions and 8 deletions
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29
data/plugins/treeview.lua
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@ -155,23 +155,36 @@ function TreeView:each_item()
end end
function TreeView:get_text_bounding_box(item, x, y, w, h)
local icon_width = style.icon_font:get_width("D")
local xoffset = item.depth * style.padding.x + style.padding.x + icon_width
x = x + xoffset
w = style.font:get_width(item.name) + 2 * style.padding.x
return x, y, w, h
end
function TreeView:on_mouse_moved(px, py, ...) function TreeView:on_mouse_moved(px, py, ...)
TreeView.super.on_mouse_moved(self, px, py, ...) TreeView.super.on_mouse_moved(self, px, py, ...)
if self.dragging_scrollbar then return end if self.dragging_scrollbar then return end
local selected = false local item_changed, tooltip_changed
for item, x,y,w,h in self:each_item() do for item, x,y,w,h in self:each_item() do
if px > x and py > y and px <= x + w and py <= y + h then if px > x and py > y and px <= x + w and py <= y + h then
selected = true item_changed = true
self.hovered_item = item self.hovered_item = item
self.tooltip.x, self.tooltip.y = px, py
self.tooltip.begin = system.get_time() x,y,w,h = self:get_text_bounding_box(item, x,y,w,h)
if px > x and py > y and px <= x + w and py <= y + h then
tooltip_changed = true
self.tooltip.x, self.tooltip.y = px, py
self.tooltip.begin = system.get_time()
end
break break
end end
end end
if not selected then if not item_changed then self.hovered_item = nil end
self.hovered_item = nil if not tooltip_changed then self.tooltip.x, self.tooltip.y = nil, nil end
end
end end
@ -222,7 +235,7 @@ function TreeView:update()
end end
local duration = system.get_time() - self.tooltip.begin local duration = system.get_time() - self.tooltip.begin
if self.hovered_item and duration > tooltip_delay then if self.hovered_item and self.tooltip.x and duration > tooltip_delay then
self:move_towards(self.tooltip, "alpha", tooltip_alpha, tooltip_alpha_step) self:move_towards(self.tooltip, "alpha", tooltip_alpha, tooltip_alpha_step)
else else
self.tooltip.alpha = 0 self.tooltip.alpha = 0