homescreenhandler: Add support for starting apps on different outputs
[apps/homescreen.git] / homescreen / src / main.cpp
index c910727..d2967ca 100644 (file)
 #define MIN(a, b) (((a) < (b)) ? (a) : (b))
 #endif
 
+QScreen *
+find_screen(const char *screen_name)
+{
+       QList<QScreen *> screens = qApp->screens();
+       QScreen *found = nullptr;
+       QString qstr_name = QString::fromUtf8(screen_name, -1);
+
+       for (QScreen *xscreen : screens) {
+               if (qstr_name == xscreen->name()) {
+                       found = xscreen;
+                       break;
+               }
+       }
+
+       return found;
+}
+
 struct shell_data {
        struct agl_shell *shell;
        HomescreenHandler *homescreenHandler;
@@ -90,12 +107,28 @@ agl_shell_app_state(void *data, struct agl_shell *agl_shell,
        }
 }
 
+static void
+agl_shell_app_on_output(void *data, struct agl_shell *agl_shell,
+               const char *app_id, const char *output_name)
+{
+       struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+       HomescreenHandler *homescreenHandler = shell_data->homescreenHandler;
+
+       if (!homescreenHandler)
+               return;
+
+       std::pair new_pending_app = std::pair(QString(app_id),
+                                             QString(output_name));
+       homescreenHandler->pending_app_list.push_back(new_pending_app);
+}
+
 
 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
 static const struct agl_shell_listener shell_listener = {
        agl_shell_bound_ok,
        agl_shell_bound_fail,
        agl_shell_app_state,
+       agl_shell_app_on_output,
 };
 #endif
 
@@ -112,7 +145,7 @@ global_add(void *data, struct wl_registry *reg, uint32_t name,
                if (ver >= 2) {
                        shell_data->shell =
                                static_cast<struct agl_shell *>(
-                                       wl_registry_bind(reg, name, &agl_shell_interface, MIN(3, ver)));
+                                       wl_registry_bind(reg, name, &agl_shell_interface, MIN(8, ver)));
 #ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
                        agl_shell_add_listener(shell_data->shell, &shell_listener, data);
 #endif
@@ -192,62 +225,94 @@ create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
        return getWlSurface(native, win);
 }
 
-static QScreen *
-find_screen(const char *screen_name)
+
+static void
+load_agl_shell(QPlatformNativeInterface *native, QQmlApplicationEngine *engine,
+              struct agl_shell *agl_shell, QScreen *screen)
 {
-       QList<QScreen *> screens = qApp->screens();
-       QScreen *found = nullptr;
-       QString qstr_name = QString::fromUtf8(screen_name, -1);
+       struct wl_surface *bg;
+       struct wl_output *output;
+       int32_t x, y;
+       int32_t width, height;
+       QObject *qobj_bg;
+       QSize size = screen->size();
 
-       for (QScreen *xscreen : screens) {
-               if (qstr_name == xscreen->name()) {
-                       found = xscreen;
-                       break;
-               }
-       }
+       // this incorporates the panels directly, but in doing so, it
+       // would also need to specify an activation area the same area
+       // in order to void overlapping any new activation window
+       QQmlComponent bg_comp(engine, QUrl("qrc:/background_with_panels.qml"));
+       qInfo() << bg_comp.errors();
 
-       return found;
+       bg = create_component(native, &bg_comp, screen, &qobj_bg);
+
+       output = getWlOutput(native, screen);
+
+       qDebug() << "Normal mode - with single surface";
+       qDebug() << "Setting homescreen to screen  " << screen->name();
+       agl_shell_set_background(agl_shell, bg, output);
+
+       // 216 is the width size of the panel
+       x = 0;
+       y = 216;
+
+       width  = size.width();
+       height = size.height() - (2 * y);
+
+       qDebug() << "Using custom rectangle " << width << "x" << height
+               << "+" << x << "x" << y << " for activation";
+       qDebug() << "Panels should be embedded the background surface";
+
+#ifdef AGL_SHELL_SET_ACTIVATE_REGION_SINCE_VERSION
+       agl_shell_set_activate_region(agl_shell, output,
+                                     x, y, width, height);
+#endif
 }
 
 static void
-load_agl_shell_app(QPlatformNativeInterface *native,
-                  QQmlApplicationEngine *engine,
-                  struct agl_shell *agl_shell,
-                  const char *screen_name,
-                   bool is_demo)
+load_agl_shell_for_ci(QPlatformNativeInterface *native,
+                     QQmlApplicationEngine *engine,
+                     struct agl_shell *agl_shell, QScreen *screen)
 {
        struct wl_surface *bg, *top, *bottom;
        struct wl_output *output;
        QObject *qobj_bg, *qobj_top, *qobj_bottom;
-       QScreen *screen = nullptr;
 
-       if (is_demo) {
-               QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
-               qInfo() << bg_comp.errors();
+       QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
+       qInfo() << bg_comp.errors();
 
-               QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
-               qInfo() << top_comp.errors();
+       QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
+       qInfo() << top_comp.errors();
 
-               QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
-               qInfo() << bot_comp.errors();
+       QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
+       qInfo() << bot_comp.errors();
 
-               top = create_component(native, &top_comp, screen, &qobj_top);
-               bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
-               bg = create_component(native, &bg_comp, screen, &qobj_bg);
-       } else {
-               QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
-               qInfo() << bg_comp.errors();
+       top = create_component(native, &top_comp, screen, &qobj_top);
+       bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
+       bg = create_component(native, &bg_comp, screen, &qobj_bg);
+
+       /* engine.rootObjects() works only if we had a load() */
+       StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
+       if (statusBar) {
+               qDebug() << "got statusBar objectname, doing init()";
+               statusBar->init(engine->rootContext());
+       }
 
-               QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
-               qInfo() << top_comp.errors();
+       output = getWlOutput(native, screen);
 
-               QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
-               qInfo() << bot_comp.errors();
+       qDebug() << "Setting homescreen to screen  " << screen->name();
 
-               top = create_component(native, &top_comp, screen, &qobj_top);
-               bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
-               bg = create_component(native, &bg_comp, screen, &qobj_bg);
-       }
+       agl_shell_set_background(agl_shell, bg, output);
+       agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
+       agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
+
+       qDebug() << "CI mode - with multiple surfaces";
+}
+
+static void
+load_agl_shell_app(QPlatformNativeInterface *native, QQmlApplicationEngine *engine,
+                  struct agl_shell *agl_shell, const char *screen_name, bool is_demo)
+{
+       QScreen *screen = nullptr;
 
        if (!screen_name)
                screen = qApp->primaryScreen();
@@ -259,26 +324,16 @@ load_agl_shell_app(QPlatformNativeInterface *native,
                return;
        }
 
-       qDebug() << "found primary screen " << qApp->primaryScreen()->name() <<
-               "first screen " << qApp->screens().first()->name();
-       output = getWlOutput(native, screen);
-
-       /* engine.rootObjects() works only if we had a load() */
-       StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
-       if (statusBar) {
-               qDebug() << "got statusBar objectname, doing init()";
-               statusBar->init(engine->rootContext());
+       if (is_demo) {
+               load_agl_shell_for_ci(native, engine, agl_shell, screen);
+       } else {
+               load_agl_shell(native, engine, agl_shell, screen);
        }
 
-       agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
-       agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
-       qDebug() << "Setting homescreen to screen  " << screen->name();
-
-       agl_shell_set_background(agl_shell, bg, output);
-
        /* Delay the ready signal until after Qt has done all of its own setup
         * in a.exec() */
        QTimer::singleShot(500, [agl_shell](){
+               qDebug() << "sending ready to compositor";
                agl_shell_ready(agl_shell);
        });
 }
@@ -291,6 +346,7 @@ int main(int argc, char *argv[])
        QGuiApplication app(argc, argv);
        const char *screen_name;
        bool is_demo_val = false;
+       bool is_embedded_panels = false;
        int ret = 0;
        struct shell_data shell_data = { nullptr, nullptr, true, false, 0 };
 
@@ -301,6 +357,10 @@ int main(int argc, char *argv[])
        if (is_demo && strcmp(is_demo, "1") == 0)
                is_demo_val = true;
 
+       const char *embedded_panels = getenv("HOMESCREEN_EMBEDDED_PANELS");
+       if (embedded_panels && strcmp(embedded_panels, "1") == 0)
+               is_embedded_panels = true;
+
        QCoreApplication::setOrganizationDomain("LinuxFoundation");
        QCoreApplication::setOrganizationName("AutomotiveGradeLinux");
        QCoreApplication::setApplicationName("HomeScreen");
@@ -356,9 +416,8 @@ int main(int argc, char *argv[])
        // We add it here even if we don't use it
        context->setContextProperty("shell", aglShell);
 
-       // Instead of loading main.qml we load one-by-one each of the QMLs,
-       // divided now between several surfaces: panels, background.
-       load_agl_shell_app(native, &engine, shell_data.shell, screen_name, is_demo_val);
+       load_agl_shell_app(native, &engine, shell_data.shell,
+                          screen_name, is_demo_val);
 
        return app.exec();
 }