+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
-#
-# Licensed 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.
-
-# Android calculator application
-module calculator_android is
- app_name "app.nit Calc."
- app_version(0, 1, git_revision)
- app_namespace "org.nitlanguage.calculator"
-
- # Lock in portrait mode
- android_manifest_activity """android:screenOrientation="portrait""""
-end
-
-# FIXME the next line should import `android` only when it uses nit_activity
-import android::log
-import android::ui
-
-import calculator_logic
-
-redef class Activity
- super EventCatcher
-
- private var context = new CalculatorContext
-
- # The main display, at the top of the screen
- private var display: EditText
-
- # Maps operators as `String` to their `Button`
- private var op2but = new HashMap[String, Button]
-
- # Has this window been initialized?
- private var inited = false
-
- redef fun on_start
- do
- super
-
- if inited then return
- inited = true
-
- # Setup UI
- var layout = new NativeLinearLayout(native)
- layout.set_vertical
-
- # Display screen
- var display = new EditText
- layout.add_view_with_weight(display.native, 1.0)
- display.text_size = 36.0
- self.display = display
-
- # Buttons; numbers and operators
- var ops = [["7", "8", "9", "+"],
- ["4", "5", "6", "-"],
- ["1", "2", "3", "*"],
- ["0", ".", "C", "/"],
- ["="]]
-
- for line in ops do
- var buts_layout = new NativeLinearLayout(native)
- buts_layout.set_horizontal
- layout.add_view_with_weight(buts_layout, 1.0)
-
- for op in line do
- var but = new Button
- but.event_catcher = self
- but.text = op
- but.text_size = 40
- buts_layout.add_view_with_weight(but.native, 1.0)
- op2but[op] = but
- end
- end
-
- native.content_view = layout
- end
-
- redef fun on_save_instance_state(state)
- do
- super
-
- var nity = new Bundle.from(state)
- nity["context"] = context.to_json
- end
-
- redef fun on_restore_instance_state(state)
- do
- super
-
- var nity = new Bundle.from(state)
- if not nity.has("context") then return
-
- var json = nity.string("context")
- if json == null then return
-
- context = new CalculatorContext.from_json(json)
- end
-
- redef fun on_resume
- do
- display.text = context.display_text
- end
-
- redef fun catch_event(event)
- do
- if event isa ClickEvent then
- var sender = event.sender
- var op = sender.text
-
- if op == "." then
- sender.enabled = false
- context.switch_to_decimals
- else if op.is_numeric then
- var n = op.to_i
- context.push_digit n
- else
- op2but["."].enabled = true
- context.push_op op.chars.first
- end
-
- display.text = context.display_text
- end
- end
-end
+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Copyright 2013-2014 Alexis Laferrière <alexis.laf@xymus.net>
-#
-# Licensed 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.
-
-# GTK calculator
-module calculator_gtk
-
-import calculator_logic
-
-import gtk
-
-# GTK calculator UI
-class CalculatorGui
- super GtkCallable
-
- private var win: GtkWindow is noinit
- private var container: GtkGrid is noinit
-
- private var lbl_disp: GtkLabel is noinit
- private var but_eq: GtkButton is noinit
- private var but_dot: GtkButton is noinit
-
- private var context = new CalculatorContext
-
- redef fun signal(sender, op)
- do
- if op isa Char then # is an operation
- if op == '.' then
- but_dot.sensitive = false
- context.switch_to_decimals
- else
- but_dot.sensitive = true
- context.push_op op
- end
- else if op isa Int then # is a number
- context.push_digit op
- end
-
- lbl_disp.text = context.display_text
- end
-
- init
- do
- init_gtk
-
- win = new GtkWindow(new GtkWindowType.toplevel)
- win.connect_destroy_signal_to_quit
-
- container = new GtkGrid
- win.add container
-
- lbl_disp = new GtkLabel("_")
- container.attach(lbl_disp, 0, 0, 5, 1)
-
- # Digits
- for n in [0..9] do
- var but = new GtkButton.with_label(n.to_s)
- but.request_size(64, 64)
- but.signal_connect("clicked", self, n)
- if n == 0 then
- container.attach(but, 0, 4, 1, 1)
- else container.attach(but, (n-1)%3, 3-(n-1)/3, 1, 1)
- end
-
- # Operators
- var r = 1
- for op in ['+', '-', '*', '/'] do
- var but = new GtkButton.with_label(op.to_s)
- but.request_size(64, 64)
- but.signal_connect("clicked", self, op)
- container.attach(but, 3, r, 1, 1)
- r+=1
- end
-
- # =
- but_eq = new GtkButton.with_label("=")
- but_eq.request_size(64, 64)
- but_eq.signal_connect("clicked", self, '=')
- container.attach(but_eq, 4, 3, 1, 2)
-
- # .
- but_dot = new GtkButton.with_label(".")
- but_dot.request_size(64, 64)
- but_dot.signal_connect("clicked", self, '.')
- container.attach(but_dot, 1, 4, 1, 1)
-
- # C
- var but_c = new GtkButton.with_label("C")
- but_c.request_size(64, 64)
- but_c.signal_connect("clicked", self, 'C')
- container.attach(but_c, 2, 4, 1, 1)
-
- win.show_all
- end
-end
-
-# Do not show GUI in when testing
-if "NIT_TESTING".environ == "true" then exit 0
-
-var app = new CalculatorGui
-run_gtk
nitlanguage / nit.git / commitdiff