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Add scroll:set_horizontal/vertical_scroll functions

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Insality 2020-09-22 00:25:14 +03:00
parent 47562de78a
commit 7b1feee341
2 changed files with 36 additions and 7 deletions
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28
druid/base/scroll.lua
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@ -283,8 +283,8 @@ local function update_size(self)
self.available_pos = get_border_vector(view_border - content_border)
self.available_size = get_size_vector(self.available_pos)
self.drag.can_x = self.available_size.x > 0
self.drag.can_y = self.available_size.y > 0
self.drag.can_x = self.available_size.x > 0 and self._is_horizontal_scroll
self.drag.can_y = self.available_size.y > 0 and self._is_vertical_scroll
-- Extra content size calculation
-- We add extra size only if scroll is available
@ -371,6 +371,8 @@ function M.init(self, view_node, content_node)
self.selected = nil
self.is_animate = false
self._is_horizontal_scroll = true
self._is_vertical_scroll = true
update_size(self)
end
@ -547,4 +549,26 @@ function M.set_points(self, points)
end
--- Lock or unlock horizontal scroll
-- @function scroll:set_horizontal_scroll
-- @tparam bool state True, if horizontal scroll is enabled
-- @treturn druid.scroll Current scroll instance
function M:set_horizontal_scroll(state)
self._is_horizontal_scroll = state
self.drag.can_x = self.available_size.x > 0 and state
return self
end
--- Lock or unlock vertical scroll
-- @function scroll:set_vertical_scroll
-- @tparam bool state True, if vertical scroll is enabled
-- @treturn druid.scroll Current scroll instance
function M:set_vertical_scroll(state)
self._is_vertical_scroll = state
self.drag.can_y = self.available_size.y > 0 and state
return self
end
return M

15
example/page/grid_page.lua
View File

@ -10,6 +10,7 @@ local function remove_node(self, button)
for i = 1, #self.grid_node_buttons do
if self.grid_node_buttons[i] == button then
table.remove(self.grid_node_buttons, i)
self.grid_static_scroll:set_size(self.grid_nodes:get_size())
break
end
end
@ -27,6 +28,8 @@ local function add_node(self, index)
table.insert(self.grid_node_buttons, button)
self.grid_nodes:add(cloned["grid_nodes_prefab"], index)
self.grid_static_scroll:set_size(self.grid_nodes:get_size())
end
@ -79,20 +82,22 @@ local function init_dynamic_grid(self)
self.prefab_dynamic = gui.get_node("grid_dynamic_prefab")
gui.set_enabled(self.prefab_dynamic, false)
for i = 1, 15 do
for i = 1, 20 do
add_node_dynamic(self, i)
end
local area = gui.get_node("grid_area")
gui.set_size(area, self.dynamic_grid:get_size())
gui.set_position(area, self.dynamic_grid:get_center_position())
print(self.dynamic_grid:get_center_position())
self.grid_dynamic_scroll:set_size(self.dynamic_grid:get_size())
end
function M.setup_page(self)
self.grid_page_scroll = self.druid:new_scroll("grid_page", "grid_page_content")
self.grid_static_scroll = self.druid:new_scroll("grid_nodes_view", "grid_nodes")
:set_horizontal_scroll(false)
self.grid_dynamic_scroll = self.druid:new_scroll("grid_dynamic_view", "grid_dynamic_nodes")
:set_horizontal_scroll(false)
init_static_grid(self)
init_dynamic_grid(self)
end