vulkan/window/xcb: implement mouse event support

This commit is contained in:
Matthew Waters 2020-02-17 15:09:58 +11:00 committed by GStreamer Merge Bot
parent d66743e482
commit 8c53bcd404
2 changed files with 189 additions and 136 deletions

View file

@ -45,8 +45,6 @@ _init_debug (void)
}
}
gboolean gst_vulkan_window_xcb_handle_event (GstVulkanWindowXCB * window_xcb);
enum
{
PROP_0,
@ -61,6 +59,7 @@ struct _GstVulkanWindowXCBPrivate
gint preferred_height;
xcb_intern_atom_reply_t *atom_wm_delete_window;
gboolean handle_events;
};
#define gst_vulkan_window_xcb_parent_class parent_class
@ -74,6 +73,8 @@ static gboolean gst_vulkan_window_xcb_get_presentation_support (GstVulkanWindow
static gboolean gst_vulkan_window_xcb_open (GstVulkanWindow * window,
GError ** error);
static void gst_vulkan_window_xcb_close (GstVulkanWindow * window);
static void gst_vulkan_window_xcb_handle_events (GstVulkanWindow * window,
gboolean handle_events);
static void
gst_vulkan_window_xcb_finalize (GObject * object)
@ -92,6 +93,7 @@ gst_vulkan_window_xcb_class_init (GstVulkanWindowXCBClass * klass)
window_class->open = GST_DEBUG_FUNCPTR (gst_vulkan_window_xcb_open);
window_class->close = GST_DEBUG_FUNCPTR (gst_vulkan_window_xcb_close);
window_class->get_surface = gst_vulkan_window_xcb_get_surface;
window_class->handle_events = gst_vulkan_window_xcb_handle_events;
window_class->get_presentation_support =
gst_vulkan_window_xcb_get_presentation_support;
}
@ -99,6 +101,9 @@ gst_vulkan_window_xcb_class_init (GstVulkanWindowXCBClass * klass)
static void
gst_vulkan_window_xcb_init (GstVulkanWindowXCB * window)
{
GstVulkanWindowXCBPrivate *priv = GET_PRIV (window);
priv->handle_events = TRUE;
}
/* Must be called in the gl thread */
@ -155,6 +160,7 @@ gst_vulkan_window_xcb_hide (GstVulkanWindow * window)
gboolean
gst_vulkan_window_xcb_create_window (GstVulkanWindowXCB * window_xcb)
{
GstVulkanWindowXCBPrivate *priv = GET_PRIV (window_xcb);
GstVulkanDisplayXCB *display_xcb;
xcb_connection_t *connection;
xcb_screen_t *screen;
@ -183,6 +189,9 @@ gst_vulkan_window_xcb_create_window (GstVulkanWindowXCB * window_xcb)
root_window, x, y, width, height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual, value_mask, value_list);
gst_vulkan_window_xcb_handle_events (GST_VULKAN_WINDOW (window_xcb),
priv->handle_events);
GST_LOG_OBJECT (window_xcb, "vulkan window id: %p",
(gpointer) (guintptr) window_xcb->win_id);
GST_LOG_OBJECT (window_xcb, "vulkan window props: x:%d y:%d", x, y);
@ -316,3 +325,139 @@ gst_vulkan_window_xcb_close (GstVulkanWindow * window)
GST_VULKAN_WINDOW_CLASS (parent_class)->close (window);
}
G_GNUC_INTERNAL
gboolean
gst_vulkan_window_xcb_handle_event (GstVulkanWindowXCB * window_xcb,
xcb_generic_event_t * event);
gboolean
gst_vulkan_window_xcb_handle_event (GstVulkanWindowXCB * window_xcb,
xcb_generic_event_t * event)
{
GstVulkanDisplayXCB *display_xcb =
GST_VULKAN_DISPLAY_XCB (window_xcb->parent.display);
xcb_connection_t *connection =
GST_VULKAN_DISPLAY_XCB_CONNECTION (display_xcb);
uint8_t event_code = event->response_type & 0x7f;
switch (event_code) {
case XCB_CLIENT_MESSAGE:{
xcb_client_message_event_t *client_event;
xcb_intern_atom_cookie_t cookie;
xcb_intern_atom_reply_t *reply;
client_event = (xcb_client_message_event_t *) event;
cookie = xcb_intern_atom (connection, 0, 16, "WM_DELETE_WINDOW");
reply = xcb_intern_atom_reply (connection, cookie, 0);
if (client_event->data.data32[0] == reply->atom) {
GST_INFO_OBJECT (window_xcb, "Close requested");
gst_vulkan_window_close (GST_VULKAN_WINDOW (window_xcb));
gst_vulkan_display_remove_window (GST_VULKAN_DISPLAY (display_xcb),
GST_VULKAN_WINDOW (window_xcb));
}
g_free (reply);
break;
}
case XCB_CONFIGURE_NOTIFY:{
xcb_configure_notify_event_t *configure_event;
configure_event = (xcb_configure_notify_event_t *) event;
gst_vulkan_window_resize (GST_VULKAN_WINDOW (window_xcb),
configure_event->width, configure_event->height);
break;
}
case XCB_EXPOSE:{
xcb_expose_event_t *expose_event = (xcb_expose_event_t *) event;
/* non-zero means that other Expose follows
* so just wait for the last one
* in theory we should not receive non-zero because
* we have no sub areas here but just in case */
if (expose_event->count != 0)
break;
gst_vulkan_window_redraw (GST_VULKAN_WINDOW (window_xcb));
break;
}
#if 0
case XCB_KEY_PRESS:
case XCB_KEY_RELEASE:{
xcb_key_press_event_t *kp = (xcb_key_press_event_t *) event;
const gchar *event_type_str;
gchar *key_str;
KeySym keysym;
keysym = XkbKeycodeToKeysym (connection, kp->detail, 0, 0);
key_str = XKeysymToString (keysym);
if (event_code == XCB_KEY_PRESS)
event_type_str = "key-press";
else
event_type_str = "key-release";
gst_vulkan_window_send_key_event (window, event_type_str, key_str);
break;
}
#endif
case XCB_BUTTON_PRESS:
case XCB_BUTTON_RELEASE:{
xcb_button_press_event_t *bp = (xcb_button_press_event_t *) event;
const gchar *event_type_str;
if (event_code == XCB_BUTTON_PRESS)
event_type_str = "mouse-button-press";
else
event_type_str = "mouse-button-release";
gst_vulkan_window_send_mouse_event (GST_VULKAN_WINDOW (window_xcb),
event_type_str, bp->detail, (double) bp->event_x,
(double) bp->event_y);
break;
}
case XCB_MOTION_NOTIFY:{
xcb_motion_notify_event_t *motion = (xcb_motion_notify_event_t *) event;
gst_vulkan_window_send_mouse_event (GST_VULKAN_WINDOW (window_xcb),
"mouse-move", 0, (double) motion->event_x, (double) motion->event_y);
break;
}
default:
GST_DEBUG ("unhandled XCB type: %u", event_code);
break;
}
return TRUE;
}
static void
gst_vulkan_window_xcb_handle_events (GstVulkanWindow * window,
gboolean handle_events)
{
GstVulkanDisplayXCB *display_xcb = GST_VULKAN_DISPLAY_XCB (window->display);
xcb_connection_t *connection =
GST_VULKAN_DISPLAY_XCB_CONNECTION (display_xcb);
GstVulkanWindowXCB *window_xcb = GST_VULKAN_WINDOW_XCB (window);
GstVulkanWindowXCBPrivate *priv = GET_PRIV (window_xcb);
priv->handle_events = handle_events;
if (window_xcb->win_id) {
guint32 events;
events = XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_EXPOSURE
| XCB_EVENT_MASK_VISIBILITY_CHANGE;
if (handle_events) {
events |= XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_EXPOSURE
| XCB_EVENT_MASK_VISIBILITY_CHANGE | XCB_EVENT_MASK_POINTER_MOTION
| XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE;
}
xcb_change_window_attributes (connection,
window_xcb->win_id, XCB_CW_EVENT_MASK, &events);
}
}

View file

@ -33,20 +33,14 @@
#include "xcb_event_source.h"
static gint
_compare_xcb_window (GWeakRef * ref, xcb_window_t * window_id)
_compare_xcb_window (GstVulkanWindowXCB * window_xcb, xcb_window_t * window_id)
{
GstVulkanWindowXCB *window_xcb;
gint ret;
window_xcb = g_weak_ref_get (ref);
if (!window_xcb)
return -1;
g_return_val_if_fail (GST_IS_VULKAN_WINDOW_XCB (window_xcb), -1);
g_return_val_if_fail (window_id != 0, -1);
ret = window_xcb->win_id - *window_id;
gst_object_unref (window_xcb);
return ret;
}
@ -56,23 +50,47 @@ _find_window_from_xcb_window (GstVulkanDisplayXCB * display_xcb,
xcb_window_t window_id)
{
GstVulkanDisplay *display = GST_VULKAN_DISPLAY (display_xcb);
GstVulkanWindowXCB *ret = NULL;
GList *l;
if (!window_id)
return NULL;
GST_OBJECT_LOCK (display);
l = g_list_find_custom (display->windows, &window_id,
(GCompareFunc) _compare_xcb_window);
if (l) {
ret = g_weak_ref_get (l->data);
}
GST_OBJECT_UNLOCK (display);
return ret;
return (GstVulkanWindowXCB *) gst_vulkan_display_find_window (display,
&window_id, (GCompareFunc) _compare_xcb_window);
}
static GstVulkanWindowXCB *
_window_from_event (GstVulkanDisplayXCB * display_xcb,
xcb_generic_event_t * event)
{
uint8_t event_code = event->response_type & 0x7f;
switch (event_code) {
/* *INDENT-OFF* */
#define WIN_FROM_EVENT(case_val,event_type,window_field) \
case case_val:{ \
event_type * real_event = (event_type *) event; \
return _find_window_from_xcb_window (display_xcb, real_event->window_field); \
}
WIN_FROM_EVENT (XCB_CLIENT_MESSAGE, xcb_client_message_event_t, window)
WIN_FROM_EVENT (XCB_CONFIGURE_NOTIFY, xcb_configure_notify_event_t, window)
WIN_FROM_EVENT (XCB_EXPOSE, xcb_expose_event_t, window)
WIN_FROM_EVENT (XCB_KEY_PRESS, xcb_key_press_event_t, event)
WIN_FROM_EVENT (XCB_KEY_RELEASE, xcb_key_release_event_t, event)
WIN_FROM_EVENT (XCB_BUTTON_PRESS, xcb_button_press_event_t, event)
WIN_FROM_EVENT (XCB_BUTTON_RELEASE, xcb_button_release_event_t, event)
WIN_FROM_EVENT (XCB_MOTION_NOTIFY, xcb_motion_notify_event_t, event)
#undef WIN_FROM_EVENT
/* *INDENT-ON* */
default:
return NULL;
}
}
G_GNUC_INTERNAL
extern gboolean
gst_vulkan_window_xcb_handle_event (GstVulkanWindowXCB * window_xcb,
xcb_generic_event_t * event);
static gboolean
_xcb_handle_event (GstVulkanDisplayXCB * display_xcb)
{
@ -81,123 +99,13 @@ _xcb_handle_event (GstVulkanDisplayXCB * display_xcb)
xcb_generic_event_t *event;
gboolean ret = TRUE;
while ((event = xcb_poll_for_event (connection))) {
uint8_t event_code = event->response_type & 0x7f;
while (ret && (event = xcb_poll_for_event (connection))) {
GstVulkanWindowXCB *window_xcb;
switch (event_code) {
case XCB_CLIENT_MESSAGE:{
xcb_client_message_event_t *client_event;
xcb_intern_atom_cookie_t cookie;
xcb_intern_atom_reply_t *reply;
client_event = (xcb_client_message_event_t *) event;
cookie = xcb_intern_atom (connection, 0, 16, "WM_DELETE_WINDOW");
reply = xcb_intern_atom_reply (connection, cookie, 0);
if (client_event->data.data32[0] == reply->atom) {
GstVulkanWindowXCB *window_xcb;
window_xcb =
_find_window_from_xcb_window (display_xcb, client_event->window);
if (window_xcb) {
GST_INFO_OBJECT (window_xcb, "Close requested");
gst_vulkan_window_close (GST_VULKAN_WINDOW (window_xcb));
gst_vulkan_display_remove_window (GST_VULKAN_DISPLAY (display_xcb),
GST_VULKAN_WINDOW (window_xcb));
gst_object_unref (window_xcb);
}
}
g_free (reply);
break;
}
case XCB_CONFIGURE_NOTIFY:{
xcb_configure_notify_event_t *configure_event;
GstVulkanWindowXCB *window_xcb;
configure_event = (xcb_configure_notify_event_t *) event;
window_xcb =
_find_window_from_xcb_window (display_xcb, configure_event->window);
if (window_xcb) {
gst_vulkan_window_resize (GST_VULKAN_WINDOW (window_xcb),
configure_event->width, configure_event->height);
gst_object_unref (window_xcb);
}
break;
}
case XCB_EXPOSE:{
xcb_expose_event_t *expose_event = (xcb_expose_event_t *) event;
GstVulkanWindowXCB *window_xcb;
/* non-zero means that other Expose follows
* so just wait for the last one
* in theory we should not receive non-zero because
* we have no sub areas here but just in case */
if (expose_event->count != 0)
break;
window_xcb =
_find_window_from_xcb_window (display_xcb, expose_event->window);
if (window_xcb) {
gst_vulkan_window_redraw (GST_VULKAN_WINDOW (window_xcb));
gst_object_unref (window_xcb);
}
break;
}
#if 0
case KeyPress:
case KeyRelease:
keysym = XkbKeycodeToKeysym (window_xcb->device,
event.xkey.keycode, 0, 0);
key_str = XKeysymToString (keysym);
key_data = g_slice_new (struct key_event);
key_data->window = window;
key_data->key_str = XKeysymToString (keysym);
key_data->event_type =
event.type == KeyPress ? "key-press" : "key-release";
GST_DEBUG ("input event key %d pressed over window at %d,%d (%s)",
event.xkey.keycode, event.xkey.x, event.xkey.y, key_str);
g_main_context_invoke (window->navigation_context,
(GSourceFunc) gst_vulkan_window_key_event_cb, key_data);
break;
case ButtonPress:
case ButtonRelease:
GST_DEBUG ("input event mouse button %d pressed over window at %d,%d",
event.xbutton.button, event.xbutton.x, event.xbutton.y);
mouse_data = g_slice_new (struct mouse_event);
mouse_data->window = window;
mouse_data->event_type =
event.type ==
ButtonPress ? "mouse-button-press" : "mouse-button-release";
mouse_data->button = event.xbutton.button;
mouse_data->posx = (double) event.xbutton.x;
mouse_data->posy = (double) event.xbutton.y;
g_main_context_invoke (window->navigation_context,
(GSourceFunc) gst_vulkan_window_mouse_event_cb, mouse_data);
break;
case MotionNotify:
GST_DEBUG ("input event pointer moved over window at %d,%d",
event.xmotion.x, event.xmotion.y);
mouse_data = g_slice_new (struct mouse_event);
mouse_data->window = window;
mouse_data->event_type = "mouse-move";
mouse_data->button = 0;
mouse_data->posx = (double) event.xbutton.x;
mouse_data->posy = (double) event.xbutton.y;
g_main_context_invoke (window->navigation_context, (GSourceFunc)
gst_vulkan_window_mouse_event_cb, mouse_data);
break;
#endif
default:
GST_DEBUG ("unhandled XCB type: %u", event_code);
break;
window_xcb = _window_from_event (display_xcb, event);
if (window_xcb) {
ret = gst_vulkan_window_xcb_handle_event (window_xcb, event);
gst_object_unref (window_xcb);
}
g_free (event);