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#344 double click support

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This commit is contained in:
Mikayla Fischler 2023-09-23 00:11:45 -04:00
parent d21604ea09
commit 09ab60f79d
1 changed files with 47 additions and 9 deletions
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56
graphics/events.lua
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@ -4,16 +4,20 @@
local util = require("scada-common.util")
local DOUBLE_CLICK_MS = 500
local events = {}
---@enum CLICK_BUTTON
events.CLICK_BUTTON = {
local CLICK_BUTTON = {
GENERIC = 0,
LEFT_BUTTON = 1,
RIGHT_BUTTON = 2,
MID_BUTTON = 3
}
events.CLICK_BUTTON = CLICK_BUTTON
---@enum MOUSE_CLICK
local MOUSE_CLICK = {
TAP = 1, -- screen tap (complete click)
@ -21,7 +25,8 @@ local MOUSE_CLICK = {
UP = 3, -- button up (completed a click)
DRAG = 4, -- mouse dragged
SCROLL_DOWN = 5, -- scroll down
SCROLL_UP = 6 -- scroll up
SCROLL_UP = 6, -- scroll up
DOUBLE_CLICK = 7 -- double left click
}
events.MOUSE_CLICK = MOUSE_CLICK
@ -65,7 +70,11 @@ local handler = {
-- keyboard modifiers
shift = false,
alt = false,
ctrl = false
ctrl = false,
-- double click tracking
dc_start = 0,
dc_step = 1,
dc_coord = _coord2d(0, 0)
}
-- create a new monitor touch mouse interaction event
@ -77,7 +86,7 @@ local handler = {
local function _monitor_touch(monitor, x, y)
return {
monitor = monitor,
button = events.CLICK_BUTTON.GENERIC,
button = CLICK_BUTTON.GENERIC,
type = MOUSE_CLICK.TAP,
initial = _coord2d(x, y),
current = _coord2d(x, y)
@ -112,7 +121,7 @@ end
function events.mouse_generic(type, x, y)
return {
monitor = "",
button = events.CLICK_BUTTON.GENERIC,
button = CLICK_BUTTON.GENERIC,
type = type,
initial = _coord2d(x, y),
current = _coord2d(x, y)
@ -148,25 +157,54 @@ function events.was_clicked(t) return t == MOUSE_CLICK.TAP or t == MOUSE_CLICK.U
---@param y integer y coordinate
---@return mouse_interaction|nil
function events.new_mouse_event(event_type, opt, x, y)
local h = handler
if event_type == "mouse_click" then
---@cast opt 1|2|3
handler.button_down[opt] = _coord2d(x, y)
local init = true
if opt == 1 and (h.dc_step % 2) == 1 then
if h.dc_step ~= 1 and h.dc_coord.x == x and h.dc_coord.y == y and (util.time_ms() - h.dc_start) < DOUBLE_CLICK_MS then
init = false
h.dc_step = h.dc_step + 1
end
end
if init then
h.dc_start = util.time_ms()
h.dc_coord = _coord2d(x, y)
h.dc_step = 2
end
h.button_down[opt] = _coord2d(x, y)
return _mouse_event(opt, MOUSE_CLICK.DOWN, x, y, x, y)
elseif event_type == "mouse_up" then
---@cast opt 1|2|3
local initial = handler.button_down[opt] ---@type coordinate_2d
if opt == 1 and (h.dc_step % 2) == 0 and h.dc_coord.x == x and h.dc_coord.y == y and
(util.time_ms() - h.dc_start) < DOUBLE_CLICK_MS then
if h.dc_step == 4 then
util.push_event("double_click", 1, x, y)
h.dc_step = 1
else h.dc_step = h.dc_step + 1 end
else h.dc_step = 1 end
local initial = h.button_down[opt] ---@type coordinate_2d
return _mouse_event(opt, MOUSE_CLICK.UP, initial.x, initial.y, x, y)
elseif event_type == "monitor_touch" then
---@cast opt string
return _monitor_touch(opt, x, y)
elseif event_type == "mouse_drag" then
---@cast opt 1|2|3
local initial = handler.button_down[opt] ---@type coordinate_2d
local initial = h.button_down[opt] ---@type coordinate_2d
return _mouse_event(opt, MOUSE_CLICK.DRAG, initial.x, initial.y, x, y)
elseif event_type == "mouse_scroll" then
---@cast opt 1|-1
local scroll_direction = util.trinary(opt == 1, MOUSE_CLICK.SCROLL_DOWN, MOUSE_CLICK.SCROLL_UP)
return _mouse_event(events.CLICK_BUTTON.GENERIC, scroll_direction, x, y, x, y)
return _mouse_event(CLICK_BUTTON.GENERIC, scroll_direction, x, y, x, y)
elseif event_type == "double_click" then
return _mouse_event(CLICK_BUTTON.LEFT_BUTTON, MOUSE_CLICK.DOUBLE_CLICK, x, y, x, y)
end
end