redef fun on_create
do
# Create the main window
- window = new TnitterWindow
+ push_window new TnitterWindow
super
end
end
if debug then print "App::on_create"
# Create the main window
- window = new CalculatorWindow
+ push_window new CalculatorWindow
super
end
end
import android.app.Activity;
import android.os.Bundle;
+import android.view.KeyEvent;
/*
* Entry point to Nit applications on Android, redirect most calls to Nit
protected native void nitOnDestroy(int activity);
protected native void nitOnSaveInstanceState(int activity, Bundle savedInstanceState);
protected native void nitOnRestoreInstanceState(int activity, Bundle savedInstanceState);
+ protected native boolean nitOnBackPressed(int activity);
+ protected native boolean nitOnKeyDown(int activity, int keyCode, KeyEvent event);
+ protected native boolean nitOnKeyLongPress(int activity, int keyCode, KeyEvent event);
+ protected native boolean nitOnKeyMultiple(int activity, int keyCode, int count, KeyEvent event);
+ protected native boolean nitOnKeyUp(int activity, int keyCode, KeyEvent event);
/*
* Implementation of OS callbacks
super.onRestoreInstanceState(savedInstanceState);
nitOnRestoreInstanceState(nitActivity, savedInstanceState);
}
+
+ @Override
+ public void onBackPressed() {
+ if (!nitOnBackPressed(nitActivity))
+ super.onBackPressed();
+ }
+
+ @Override
+ public boolean onKeyDown(int keyCode, KeyEvent event) {
+ return nitOnKeyDown(nitActivity, keyCode, event)
+ || super.onKeyDown(keyCode, event);
+ }
+
+ @Override
+ public boolean onKeyLongPress(int keyCode, KeyEvent event) {
+ return nitOnKeyLongPress(nitActivity, keyCode, event)
+ || super.onKeyLongPress(keyCode, event);
+ }
+
+ @Override
+ public boolean onKeyMultiple(int keyCode, int count, KeyEvent event) {
+ return nitOnKeyMultiple(nitActivity, keyCode, count, event)
+ || super.onKeyMultiple(keyCode, count, event);
+ }
+
+ @Override
+ public boolean onKeyUp(int keyCode, KeyEvent event) {
+ return nitOnKeyUp(nitActivity, keyCode, event)
+ || super.onKeyUp(keyCode, event);
+ }
}
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# 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.
+
+module key_event
+
+import platform
+
+# Java class: android.view.KeyEvent
+extern class NativeKeyEvent in "Java" `{ android.view.KeyEvent `}
+ super JavaObject
+
+ # Java implementation: boolean android.view.KeyEvent.isSystem()
+ fun is_system: Bool in "Java" `{
+ return self.isSystem();
+ `}
+
+ # Java implementation: android.view.KeyEvent.setSource(int)
+ fun set_source(arg0: Int) in "Java" `{
+ self.setSource((int)arg0);
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getMetaState()
+ fun meta_state: Int in "Java" `{
+ return self.getMetaState();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getModifiers()
+ fun modifiers: Int in "Java" `{
+ return self.getModifiers();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getFlags()
+ fun flags: Int in "Java" `{
+ return self.getFlags();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.hasNoModifiers()
+ fun has_no_modifiers: Bool in "Java" `{
+ return self.hasNoModifiers();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.hasModifiers(int)
+ fun has_modifiers(arg0: Int): Bool in "Java" `{
+ return self.hasModifiers((int)arg0);
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isAltPressed()
+ fun is_alt_pressed: Bool in "Java" `{
+ return self.isAltPressed();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isShiftPressed()
+ fun is_shift_pressed: Bool in "Java" `{
+ return self.isShiftPressed();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isSymPressed()
+ fun is_sym_pressed: Bool in "Java" `{
+ return self.isSymPressed();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isCtrlPressed()
+ fun is_ctrl_pressed: Bool in "Java" `{
+ return self.isCtrlPressed();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isMetaPressed()
+ fun is_meta_pressed: Bool in "Java" `{
+ return self.isMetaPressed();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isFunctionPressed()
+ fun is_function_pressed: Bool in "Java" `{
+ return self.isFunctionPressed();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isCapsLockOn()
+ fun is_caps_lock_on: Bool in "Java" `{
+ return self.isCapsLockOn();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isNumLockOn()
+ fun is_num_lock_on: Bool in "Java" `{
+ return self.isNumLockOn();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isScrollLockOn()
+ fun is_scroll_lock_on: Bool in "Java" `{
+ return self.isScrollLockOn();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getAction()
+ fun action: Int in "Java" `{
+ return self.getAction();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isCanceled()
+ fun is_canceled: Bool in "Java" `{
+ return self.isCanceled();
+ `}
+
+ # Java implementation: android.view.KeyEvent.startTracking()
+ fun start_tracking in "Java" `{
+ self.startTracking();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isTracking()
+ fun is_tracking: Bool in "Java" `{
+ return self.isTracking();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isLongPress()
+ fun is_long_press: Bool in "Java" `{
+ return self.isLongPress();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getKeyCode()
+ fun key_code: Int in "Java" `{
+ return self.getKeyCode();
+ `}
+
+ # Java implementation: java.lang.String android.view.KeyEvent.getCharacters()
+ fun characters: JavaString in "Java" `{
+ return self.getCharacters();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getScanCode()
+ fun scan_code: Int in "Java" `{
+ return self.getScanCode();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getRepeatCount()
+ fun repeat_count: Int in "Java" `{
+ return self.getRepeatCount();
+ `}
+
+ # Java implementation: long android.view.KeyEvent.getDownTime()
+ fun down_time: Int in "Java" `{
+ return self.getDownTime();
+ `}
+
+ # Java implementation: long android.view.KeyEvent.getEventTime()
+ fun event_time: Int in "Java" `{
+ return self.getEventTime();
+ `}
+
+ # Java implementation: char android.view.KeyEvent.getDisplayLabel()
+ fun display_label: Char in "Java" `{
+ return self.getDisplayLabel();
+ `}
+
+ # Java implementation: int android.view.KeyEvent.getUnicodeChar()
+ fun unicode_char: Int in "Java" `{
+ return self.getUnicodeChar();
+ `}
+
+ # Java implementation: char android.view.KeyEvent.getNumber()
+ fun number: Char in "Java" `{
+ return self.getNumber();
+ `}
+
+ # Java implementation: boolean android.view.KeyEvent.isPrintingKey()
+ fun is_printing_key: Bool in "Java" `{
+ return self.isPrintingKey();
+ `}
+
+ redef fun new_global_ref import sys, Sys.jni_env `{
+ Sys sys = NativeKeyEvent_sys(self);
+ JNIEnv *env = Sys_jni_env(sys);
+ return (*env)->NewGlobalRef(env, self);
+ `}
+
+ redef fun pop_from_local_frame_with_env(jni_env) `{
+ return (*jni_env)->PopLocalFrame(jni_env, self);
+ `}
+end
+
+# Java getter: android.view.KeyEvent.KEYCODE_BACK
+fun android_view_key_event_keycode_back: Int in "Java" `{
+ return android.view.KeyEvent.KEYCODE_BACK;
+`}
import platform
import log
import activities
+import key_event
import bundle
import dalvik
{
Activity_on_restore_instance_state((Activity)nit_activity, saved_state);
}
+
+ JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnBackPressed
+ (JNIEnv *env, jobject java_activity, jint nit_activity)
+ {
+ return (jboolean)Activity_on_back_pressed((Activity)nit_activity);
+ }
+
+ JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyDown
+ (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jobject event)
+ {
+ return (jboolean)Activity_on_key_down((Activity)nit_activity, keyCode, event);
+ }
+
+ JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyLongPress
+ (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jobject event)
+ {
+ return (jboolean)Activity_on_key_long_press((Activity)nit_activity, keyCode, event);
+ }
+
+ JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyMultiple
+ (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jint count, jobject event)
+ {
+ return (jboolean)Activity_on_key_multiple((Activity)nit_activity, keyCode, count, event);
+ }
+
+ JNIEXPORT jboolean JNICALL Java_nit_app_NitActivity_nitOnKeyUp
+ (JNIEnv *env, jobject java_activity, jint nit_activity, jint keyCode, jobject event)
+ {
+ return (jboolean)Activity_on_key_up((Activity)nit_activity, keyCode, event);
+ }
`}
# Wrapper to our Java `NitActivity`
Activity.on_create, Activity.on_destroy,
Activity.on_start, Activity.on_restart, Activity.on_stop,
Activity.on_pause, Activity.on_resume,
- Activity.on_save_instance_state, Activity.on_restore_instance_state `{
+ Activity.on_save_instance_state, Activity.on_restore_instance_state,
+ Activity.on_back_pressed,
+ Activity.on_key_down, Activity.on_key_long_press,
+ Activity.on_key_multiple, Activity.on_key_up `{
App_incr_ref(self);
global_app = self;
`}
# Notification from Android, the current device configuration has changed
fun on_configuration_changed do end
+
+ # The back key has been pressed
+ #
+ # Return `true` if the event has been handled.
+ fun on_back_pressed: Bool do return false
+
+ # A key has been pressed
+ #
+ # Return `true` if the event has been handled.
+ fun on_key_down(key_code: Int, event: NativeKeyEvent): Bool do return false
+
+ # A key has been long pressed
+ #
+ # Return `true` if the event has been handled.
+ fun on_key_long_press(key_code: Int, event: NativeKeyEvent): Bool do return false
+
+ # Multiple down/up pairs of the same key have occurred in a row
+ #
+ # Return `true` if the event has been handled.
+ fun on_key_multiple(key_code, count: Int, event: NativeKeyEvent): Bool do return false
+
+ # A key has been released
+ #
+ # Return `true` if the event has been handled.
+ fun on_key_up(key_code: Int, event: NativeKeyEvent): Bool do return false
end
# Set up global data in C and leave it to Android to callback Java, which we relay to Nit
# limitations under the License.
# Views and services to use the Android native user interface
-module ui
+module ui is
+ # `adjustPan` allows to use EditText in a ListLayout
+ android_manifest_activity """android:windowSoftInputMode="adjustPan""""
+end
# Implementation note:
#
end
end
+redef class Activity
+ redef fun on_back_pressed
+ do
+ var window = app.window
+ if window.enable_back_button then
+ window.on_back_button
+ return true
+ end
+
+ return false
+ end
+end
+
# On Android, a window is implemented with the fragment `native`
redef class Window
redef var native = (new Android_app_Fragment(self)).new_global_ref
# The current `Window` of this activity
#
- # This attribute must be set by refinements of `App`.
- var window: Window is writable
+ # This attribute is set by `push_window`.
+ var window: Window is noinit
+
+ # Make visible and push `window` on the top of `pop_window`
+ #
+ # This method must be called at least once within `App::on_create`.
+ # It can be called at any times while the app is active.
+ fun push_window(window: Window)
+ do
+ window_stack.add window
+ self.window = window
+ end
+
+ # Pop the current `window` from the stack and show the previous one
+ #
+ # Require: `window_stack.not_empty`
+ fun pop_window
+ do
+ assert window_stack.not_empty
+ window_stack.pop
+ window = window_stack.last
+ window.on_resume
+ end
+
+ # Stack of active windows
+ var window_stack = new Array[Window]
redef fun on_create do window.on_create
# A window, root of the `Control` tree
class Window
super CompositeControl
+
+ # Should the back button be shown and used to go back to a previous window?
+ fun enable_back_button: Bool do return app.window_stack.length > 1
+
+ # The back button has been pressed, usually to open the previous window
+ fun on_back_button do app.pop_window
end
# A viewable `Control`
init
do
native.alignment = new UIStackViewAlignment.fill
- native.distribution = new UIStackViewDistribution.fill_equally
# TODO make customizable
native.spacing = 4.0
end
redef class HorizontalLayout
- redef init do native.axis = new UILayoutConstraintAxis.horizontal
+ redef init
+ do
+ native.axis = new UILayoutConstraintAxis.horizontal
+ native.distribution = new UIStackViewDistribution.fill_equally
+ end
end
redef class VerticalLayout
- redef init do native.axis = new UILayoutConstraintAxis.vertical
+ redef init
+ do
+ native.axis = new UILayoutConstraintAxis.vertical
+ native.distribution = new UIStackViewDistribution.equal_spacing
+ end
end
redef class Label
bar.title = "app.nit" # TODO offer a portable API to name windows
bar.show_close_button = true
- # TODO add back button
+ bar.add back_button.native
return bar
end
return stack
end
+ # Button on the header bar to go back
+ var back_button = new BackButton is lazy
+
# On GNU/Linux, we go through all the callbacks once,
# there is no complex life-cycle.
redef fun run
app.on_start
app.on_resume
- native_window.show_all
gtk_main
app.on_pause
# improved with GTK 3.18 and interpolate_size.
native_window.resizable = false
+ native_window.show_all
+
super
+
+ if window.enable_back_button then
+ back_button.native.show
+ else back_button.native.hide
end
end
init do native.signal_connect("clicked", self, null)
end
+# Button to go back between windows
+class BackButton
+ super Button
+
+ # TODO i18n
+ redef fun text=(value) do super(value or else "Back")
+
+ redef fun signal(sender, data)
+ do
+ super
+
+ app.window.on_back_button
+ end
+end
+
redef class Label
redef type NATIVE: GtkLabel
redef var native = new GtkLabel("")
nitlanguage / nit.git / commitdiff