support mouse events for ui

1 files changed, 91 insertions, 0 deletions

diff --git a/tests/ui/events.lua b/tests/ui/events.lua
new file mode 100644
index 000000000..957819726
--- /dev/null
+++ b/tests/ui/events.lua
@@ -0,0 +1,91 @@
+--!A cross-platform terminal ui library based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you under the Apache License, Version 2.0 (the
+-- "License"); you may not use this file except in compliance
+-- with the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2020, TBOOX Open Source Group.
+--
+-- @author      Lael N. Santos
+-- @file        events.lua
+--
+
+-- imports
+import("core.ui.rect")
+import("core.ui.label")
+import("core.ui.event")
+import("core.ui.window")
+import("core.ui.application")
+
+-- the demo application
+local demo = application()
+
+-- init demo
+function demo:init()
+
+    -- init name
+    application.init(self, "demo")
+
+    -- init background
+    self:background_set("black")
+
+    -- init body window
+    self:insert(self:body_window())
+
+    -- init teste
+    self:body_window():panel():insert(self:teste())
+end
+
+-- get body window
+function demo:body_window()
+    if not self._BODY_WINDOW then
+        self._BODY_WINDOW = window:new("window.body", rect {1, 1, self:width() - 1, self:height() - 1}, "main window")
+    end
+    return self._BODY_WINDOW
+end
+
+-- get teste label
+function demo:teste()
+    if not self._TESTE then
+        self._TESTE = label:new('demo.label', rect {0, 0, 40, 5}, 'this is a test')
+    end
+    return self._TESTE
+end
+
+-- on resize
+function demo:on_resize()
+    self:body_window():bounds_set(rect {1, 1, self:width() - 1, self:height() - 1})
+    application.on_resize(self)
+end
+
+-- on event
+function demo:on_event(e)
+    if e.type < event.ev_max then
+        self:teste():text_set('type: ' ..
+            tostring(e.type) ..
+            '; name: ' ..
+            tostring(e.key_name or e.btn_name) ..
+            '; code: ' ..
+            tostring(e.key_code or e.x) ..
+            '; meta: ' ..
+            tostring(e.key_code or e.y))
+    end
+    application.on_event(self, e)
+end
+
+-- main entry
+function main(...)
+    demo:run(...)
+end