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-rw-r--r--homescreen/src/main.cpp82
1 files changed, 74 insertions, 8 deletions
diff --git a/homescreen/src/main.cpp b/homescreen/src/main.cpp
index 2c2f7c0..4a13607 100644
--- a/homescreen/src/main.cpp
+++ b/homescreen/src/main.cpp
@@ -32,9 +32,16 @@
#include "wayland-agl-shell-desktop-client-protocol.h"
#include "shell.h"
+#ifndef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
struct shell_data {
struct agl_shell *shell;
struct agl_shell_desktop *shell_desktop;
+ bool wait_for_bound;
+ bool bound_ok;
+ int ver;
};
static void
@@ -62,6 +69,31 @@ agl_shell_desktop_state_app(void *data,
homescreenHandler->deactivateApp(app_id);
}
+static void
+agl_shell_bound_ok(void *data, struct agl_shell *agl_shell)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+ shell_data->wait_for_bound = false;
+
+ shell_data->bound_ok = true;
+}
+
+static void
+agl_shell_bound_fail(void *data, struct agl_shell *agl_shell)
+{
+ struct shell_data *shell_data = static_cast<struct shell_data *>(data);
+ shell_data->wait_for_bound = false;
+
+ shell_data->bound_ok = false;
+}
+
+#ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
+static const struct agl_shell_listener shell_listener = {
+ agl_shell_bound_ok,
+ agl_shell_bound_fail,
+};
+#endif
+
static const struct agl_shell_desktop_listener shell_desktop_listener = {
agl_shell_desktop_application,
agl_shell_desktop_state_app
@@ -69,7 +101,7 @@ static const struct agl_shell_desktop_listener shell_desktop_listener = {
static void
global_add(void *data, struct wl_registry *reg, uint32_t name,
- const char *interface, uint32_t)
+ const char *interface, uint32_t ver)
{
struct shell_data *shell_data = static_cast<struct shell_data *>(data);
@@ -77,9 +109,20 @@ global_add(void *data, struct wl_registry *reg, uint32_t name,
return;
if (strcmp(interface, agl_shell_interface.name) == 0) {
- shell_data->shell = static_cast<struct agl_shell *>(
- wl_registry_bind(reg, name, &agl_shell_interface, 1)
- );
+ if (ver >= 2) {
+ shell_data->shell =
+ static_cast<struct agl_shell *>(
+ wl_registry_bind(reg, name, &agl_shell_interface, MIN(2, ver)));
+#ifdef AGL_SHELL_BOUND_OK_SINCE_VERSION
+ agl_shell_add_listener(shell_data->shell, &shell_listener, data);
+#endif
+ } else {
+ shell_data->shell =
+ static_cast<struct agl_shell *>(
+ wl_registry_bind(reg, name, &agl_shell_interface, 1));
+ }
+ shell_data->ver = ver;
+
}
if (strcmp(interface, agl_shell_desktop_interface.name) == 0) {
@@ -117,6 +160,14 @@ getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
return static_cast<struct ::wl_output*>(output);
}
+static struct wl_display *
+getWlDisplay(QPlatformNativeInterface *native)
+{
+ return static_cast<struct wl_display *>(
+ native->nativeResourceForIntegration("display")
+ );
+}
+
static void
register_agl_shell(QPlatformNativeInterface *native, struct shell_data *shell_data)
@@ -124,9 +175,7 @@ register_agl_shell(QPlatformNativeInterface *native, struct shell_data *shell_da
struct wl_display *wl;
struct wl_registry *registry;
- wl = static_cast<struct wl_display *>(
- native->nativeResourceForIntegration("display")
- );
+ wl = getWlDisplay(native);
registry = wl_display_get_registry(wl);
wl_registry_add_listener(registry, &registry_listener, shell_data);
@@ -248,7 +297,8 @@ int main(int argc, char *argv[])
QGuiApplication app(argc, argv);
const char *screen_name;
bool is_demo_val = false;
- struct shell_data shell_data = { nullptr, nullptr };
+ int ret = 0;
+ struct shell_data shell_data = { nullptr, nullptr, true, false, 0 };
QPlatformNativeInterface *native = qApp->platformNativeInterface();
screen_name = getenv("HOMESCREEN_START_SCREEN");
@@ -277,6 +327,22 @@ int main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
+ qDebug() << "agl-shell interface is at version " << shell_data.ver;
+ if (shell_data.ver >= 2) {
+ while (ret != -1 && shell_data.wait_for_bound) {
+ ret = wl_display_dispatch(getWlDisplay(native));
+
+ if (shell_data.wait_for_bound)
+ continue;
+ }
+
+ if (!shell_data.bound_ok) {
+ qInfo() << "agl_shell extension already in use by other shell client.";
+ exit(EXIT_FAILURE);
+ }
+ }
+
+
std::shared_ptr<struct agl_shell> agl_shell{shell_data.shell, agl_shell_destroy};
Shell *aglShell = new Shell(agl_shell, &app);