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Android: moved all Android code from the main app into the driver system. All non-driver-FLTK code and main app are now Android-free. 

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12719 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher 2018-03-07 22:12:34 +00:00
parent f058d3a99c
commit 2e5b983f4b
5 changed files with 115 additions and 213 deletions
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158
ide/AndroidStudio3/app/src/main/cpp/HelloAndroid.cxx
View File

@ -15,175 +15,21 @@
*
*/
//#include <android_native_app_glue.h>
#include <src/drivers/Android/Fl_Android_Application.H>
#include <src/drivers/Android/Fl_Android_Screen_Driver.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Enumerations.H>
Fl_Window *win;
Fl_Button *btn;
#include <errno.h>
#include <jni.h>
#include <sys/time.h>
#include <time.h>
#include <android/log.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define LOG_TAG "HelloFLTK"
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
#define LOGW(...) __android_log_print(ANDROID_LOG_WARN,LOG_TAG,__VA_ARGS__)
#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
/* Set to 1 to enable debug log traces. */
#define DEBUG 0
// ----------------------------------------------------------------------
struct engine {
int animating;
};
struct engine engine = { 0 };
#if 0
static void engine_draw_frame()
{
//if (Fl_Android_Application::lock_screen()) {
//Fl::damage(FL_DAMAGE_ALL);
//win->redraw();
Fl::flush();
// Fl_Android_Application::unlock_and_post_screen();
//}
}
#endif
static void engine_term_display() {
engine.animating = 0;
}
static int32_t engine_handle_input(AInputEvent* event) {
if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
engine.animating = 1;
Fl::e_x = Fl::e_x_root = AMotionEvent_getX(event, 0) * 600 / ANativeWindow_getWidth(Fl_Android_Application::native_window());
Fl::e_y = Fl::e_y_root = AMotionEvent_getY(event, 0) * 800 / ANativeWindow_getHeight(Fl_Android_Application::native_window());
Fl::e_state = FL_BUTTON1;
Fl::e_keysym = FL_Button+1;
if (AMotionEvent_getAction(event)==AMOTION_EVENT_ACTION_DOWN) {
Fl::e_is_click = 1;
Fl::handle(FL_PUSH, Fl::first_window());
LOGE("Mouse push %d at %d, %d", Fl::event_button(), Fl::event_x(), Fl::event_y());
} else if (AMotionEvent_getAction(event)==AMOTION_EVENT_ACTION_MOVE) {
Fl::handle(FL_DRAG, Fl::first_window());
} else if (AMotionEvent_getAction(event)==AMOTION_EVENT_ACTION_UP) {
Fl::e_state = 0;
Fl::handle(FL_RELEASE, Fl::first_window());
}
return 1;
} else if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_KEY) {
LOGI("Key event: action=%d keyCode=%d metaState=0x%x",
AKeyEvent_getAction(event),
AKeyEvent_getKeyCode(event),
AKeyEvent_getMetaState(event));
}
return 0;
}
static void engine_handle_cmd(int32_t cmd) {
static int32_t format = WINDOW_FORMAT_RGB_565;
switch (cmd) {
case APP_CMD_INIT_WINDOW:
if (Fl_Android_Application::native_window() != NULL) {
// fill_plasma() assumes 565 format, get it here
format = ANativeWindow_getFormat(Fl_Android_Application::native_window());
ANativeWindow_setBuffersGeometry(Fl_Android_Application::native_window(),
#if 1
600, //ANativeWindow_getWidth(app->window),
800, //ANativeWindow_getHeight(app->window),
#else
ANativeWindow_getWidth(app->window),
ANativeWindow_getHeight(app->window),
#endif
WINDOW_FORMAT_RGB_565);
Fl::damage(FL_DAMAGE_EXPOSE);
}
break;
case APP_CMD_TERM_WINDOW:
engine_term_display();
ANativeWindow_setBuffersGeometry(Fl_Android_Application::native_window(),
#if 1
600, //ANativeWindow_getWidth(app->window),
800, //ANativeWindow_getHeight(app->window),
#else
ANativeWindow_getWidth(app->window),
ANativeWindow_getHeight(app->window),
#endif
format);
break;
case APP_CMD_LOST_FOCUS:
engine.animating = 0;
//engine_draw_frame();
break;
default: break;
}
}
int main(int argc, char **argv)
{
Fl_Android_Application::log_e("App path is %s", argv[0]);
memset(&engine, 0, sizeof(engine));
Fl_Android_Application::set_on_app_cmd(engine_handle_cmd);
Fl_Android_Application::set_on_input_event(engine_handle_input);
win = new Fl_Window(10, 10, 600, 400, "Hallo");
btn = new Fl_Button(190, 200, 280, 35, "Hello, Android!");
btn->color(FL_LIGHT2);
win->show(argc, argv);
int x;
if (Fl::damage())
x = 0;
if (win->damage())
x = 2;
//Fl::damage(FL_DAMAGE_ALL);
//win->redraw();
Fl::run();
// loop waiting for stuff to do.
while (1) {
// Read all pending events.
int ident;
int events;
struct android_poll_source* source;
// If not animating, we will block forever waiting for events.
// If animating, we loop until all events are read, then continue
// to draw the next frame of animation.
while ((ident=ALooper_pollAll(Fl::damage() ? 0 : -1, NULL, &events,
(void**)&source)) >= 0) {
// Process this event.
if (source != NULL) {
source->process(source);
}
// Check if we are exiting.
if (Fl_Android_Application::destroy_requested() != 0) {
LOGI("Engine thread destroy requested!");
engine_term_display();
return 0;
}
}
Fl::flush();
}
return 0;
}

1
src/drivers/Android/Fl_Android_Application.H
View File

@ -119,6 +119,7 @@ public:
static int8_t read_cmd();
static void pre_exec_cmd(int8_t cmd);
static void post_exec_cmd(int8_t cmd);
static AInputQueue *input_event_queue() { return pInputQueue; }
static inline ANativeWindow *native_window() { return pNativeWindow; }
static inline ANativeWindow_Buffer &graphics_buffer() { return pApplicationWindowBuffer; }

12
src/drivers/Android/Fl_Android_Application.cxx
View File

@ -235,10 +235,18 @@ void Fl_Android_Application::pre_exec_cmd(int8_t cmd)
case APP_CMD_INIT_WINDOW:
LOGV("APP_CMD_INIT_WINDOW\n");
// tell the main thread that we received the window handle
pthread_mutex_lock(&pMutex);
pNativeWindow = pPendingWindow;
pthread_cond_broadcast(&pCond);
pthread_mutex_unlock(&pMutex);
// change the format of the buffers to match our needs
// FIXME: current default screen size and format is 600x800xRGB565
ANativeWindow_setBuffersGeometry(pNativeWindow,
600,
800,
WINDOW_FORMAT_RGB_565);
// tell FLTK that the buffer is available now
Fl_Android_Window_Driver::expose_all();
break;
@ -394,13 +402,17 @@ bool Fl_Android_Application::copy_screen()
bool ret = false;
if (lock_screen()) {
#if 0
// screen activity viewer
static int i = 0;
fl_color( (i&1) ? FL_RED : FL_GREEN);
fl_rectf(i*10, 600+i*10, 50, 50);
i++;
if (i>10) i = 0;
#endif
// TODO: there are endless possibilities to optimize the following code
// We are wasting time by copying the entire screen contents at every dirty frame
// We can identify previously written buffers and copy only those pixels
// that actually changed.
const uint16_t *src = (uint16_t*)pApplicationWindowBuffer.bits;

5
src/drivers/Android/Fl_Android_Screen_Driver.H
View File

@ -26,6 +26,7 @@
#define FL_ANDROID_SCREEN_DRIVER_H
#include <FL/Fl_Screen_Driver.H>
#include <android/input.h>
//#include <windows.h>
extern void (*fl_unlock_function)();
@ -39,6 +40,10 @@ class FL_EXPORT Fl_Android_Screen_Driver : public Fl_Screen_Driver
{
private:
int handle_queued_events(double time_to_wait);
int handle_app_command();
int handle_input_event();
int handle_keyboard_event(AInputEvent*);
int handle_mouse_event(AInputEvent*);
#if 0

140
src/drivers/Android/Fl_Android_Screen_Driver.cxx
View File

@ -59,65 +59,103 @@ Fl_Screen_Driver *Fl_Screen_Driver::newScreenDriver()
return new Fl_Android_Screen_Driver();
}
int Fl_Android_Screen_Driver::handle_app_command()
{
int8_t cmd = Fl_Android_Application::read_cmd();
Fl_Android_Application::pre_exec_cmd(cmd);
// TODO: call Fl::handle() with event parametrs set
Fl_Android_Application::post_exec_cmd(cmd);
return 1;
}
int Fl_Android_Screen_Driver::handle_input_event()
{
AInputQueue *queue = Fl_Android_Application::input_event_queue();
AInputEvent *event = NULL;
if (AInputQueue_getEvent(queue, &event) >= 0) {
if (AInputQueue_preDispatchEvent(queue, event)==0) {
int consumed = 0;
switch (AInputEvent_getType(event)) {
case AINPUT_EVENT_TYPE_KEY:
consumed = handle_keyboard_event(event);
break;
case AINPUT_EVENT_TYPE_MOTION:
consumed = handle_mouse_event(event);
break;
default:
// don;t do anything. There may be additional event types in the future
break;
}
// TODO: handle all events here
AInputQueue_finishEvent(queue, event, consumed);
}
}
return 0;
}
int Fl_Android_Screen_Driver::handle_keyboard_event(AInputEvent *event)
{
Fl_Android_Application::log_i("Key event: action=%d keyCode=%d metaState=0x%x",
AKeyEvent_getAction(event),
AKeyEvent_getKeyCode(event),
AKeyEvent_getMetaState(event));
return 0;
}
int Fl_Android_Screen_Driver::handle_mouse_event(AInputEvent *event)
{
Fl::e_x = Fl::e_x_root = AMotionEvent_getX(event, 0) * 600 /
ANativeWindow_getWidth(Fl_Android_Application::native_window());
Fl::e_y = Fl::e_y_root = AMotionEvent_getY(event, 0) * 800 /
ANativeWindow_getHeight(Fl_Android_Application::native_window());
Fl::e_state = FL_BUTTON1;
Fl::e_keysym = FL_Button + 1;
if (AMotionEvent_getAction(event) == AMOTION_EVENT_ACTION_DOWN) {
Fl::e_is_click = 1;
Fl::handle(FL_PUSH, Fl::first_window());
Fl_Android_Application::log_i("Mouse push %d at %d, %d", Fl::event_button(), Fl::event_x(),
Fl::event_y());
} else if (AMotionEvent_getAction(event) == AMOTION_EVENT_ACTION_MOVE) {
Fl::handle(FL_DRAG, Fl::first_window());
} else if (AMotionEvent_getAction(event) == AMOTION_EVENT_ACTION_UP) {
Fl::e_state = 0;
Fl::handle(FL_RELEASE, Fl::first_window());
}
return 1;
}
/**
* Handle all events in the even queue.
*
* FIXME: what should this function return?
*
* @param time_to_wait
* @return we do not know
*/
int Fl_Android_Screen_Driver::handle_queued_events(double time_to_wait)
{
/*
int ALooper_pollAll ( int timeoutMillis,
int * outFd,
int * outEvents,
void ** outData
)
struct engine engine;
memset(&engine, 0, sizeof(engine));
state->userData = &engine;
state->onAppCmd = engine_handle_cmd;
state->onInputEvent = engine_handle_input;
engine.app = state;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
start_ms = (((int64_t)now.tv_sec)*1000000000LL + now.tv_nsec)/1000000;
win = new Fl_Window(10, 10, 600, 400, "Hallo");
btn = new Fl_Button(190, 200, 280, 35, "Hello, Android!");
win->show();
// loop waiting for stuff to do.
while (1) {
int ret = 0;
// Read all pending events.
int ident;
int events;
struct android_poll_source* source;
struct android_poll_source *source;
// If not animating, we will block forever waiting for events.
// If animating, we loop until all events are read, then continue
// to draw the next frame of animation.
while ((ident=ALooper_pollAll(engine.animating ? 0 : -1, NULL, &events,
(void**)&source)) >= 0) {
// Process this event.
if (source != NULL) {
source->process(state, source);
}
// Check if we are exiting.
if (state->destroyRequested != 0) {
LOGI("Engine thread destroy requested!");
engine_term_display(&engine);
return;
for (;;) {
ident = ALooper_pollAll(Fl::damage() ? 0 : -1, NULL, &events, (void **) &source);
switch (ident) {
// FIXME: ALOOPER_POLL_WAKE = -1, ALOOPER_POLL_CALLBACK = -2, ALOOPER_POLL_TIMEOUT = -3, ALOOPER_POLL_ERROR = -4
case LOOPER_ID_MAIN:
ret = handle_app_command();
break;
case LOOPER_ID_INPUT:
ret = handle_input_event();
break;
case -3: return ret;
default: return ret;
}
}
if (engine.animating) {
engine_draw_frame(&engine);
}
}
*/
return -1;
return ret;
}