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vulkan/window: add support for mouse/keyboard events

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This commit is contained in:
Matthew Waters 2020-02-17 15:03:34 +11:00 committed by GStreamer Merge Bot
parent 9b7c20bfca
commit 0ea427823e
2 changed files with 94 additions and 0 deletions
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78
gst-libs/gst/vulkan/gstvkwindow.c
View file

@ -99,6 +99,8 @@ enum
SIGNAL_CLOSE,
SIGNAL_DRAW,
SIGNAL_RESIZE,
SIGNAL_MOUSE_EVENT,
SIGNAL_KEY_EVENT,
LAST_SIGNAL
};
@ -202,6 +204,38 @@ gst_vulkan_window_class_init (GstVulkanWindowClass * klass)
g_signal_new ("resize", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0,
NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT);
/**
* GstVulkanWindow::mouse-event:
* @object: the #GstVulkanWindow
* @id: the name of the event
* @button: the id of the button
* @x: the x coordinate of the mouse event
* @y: the y coordinate of the mouse event
*
* Will be emitted when a mouse event is received by the #GstVulkanWindow.
*
* Since: 1.18
*/
gst_vulkan_window_signals[SIGNAL_MOUSE_EVENT] =
g_signal_new ("mouse-event", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 4, G_TYPE_STRING,
G_TYPE_INT, G_TYPE_DOUBLE, G_TYPE_DOUBLE);
/**
* GstVulkanWindow::key-event:
* @object: the #GstVulkanWindow
* @id: the name of the event
* @key: the id of the key pressed
*
* Will be emitted when a key event is received by the #GstVulkanWindow.
*
* Since: 1.18
*/
gst_vulkan_window_signals[SIGNAL_KEY_EVENT] =
g_signal_new ("key-event", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_STRING,
G_TYPE_STRING);
gobject_class->set_property = gst_vulkan_window_set_property;
gobject_class->get_property = gst_vulkan_window_get_property;
gobject_class->finalize = gst_vulkan_window_finalize;
@ -471,6 +505,50 @@ gst_vulkan_window_get_surface_dimensions (GstVulkanWindow * window,
}
}
void
gst_vulkan_window_send_key_event (GstVulkanWindow * window,
const char *event_type, const char *key_str)
{
g_return_if_fail (GST_IS_VULKAN_WINDOW (window));
g_signal_emit (window, gst_vulkan_window_signals[SIGNAL_KEY_EVENT], 0,
event_type, key_str);
}
void
gst_vulkan_window_send_mouse_event (GstVulkanWindow * window,
const char *event_type, int button, double posx, double posy)
{
g_return_if_fail (GST_IS_VULKAN_WINDOW (window));
g_signal_emit (window, gst_vulkan_window_signals[SIGNAL_MOUSE_EVENT], 0,
event_type, button, posx, posy);
}
/**
* gst_vulkan_window_handle_events:
* @window: a #GstVulkanWindow
* @handle_events: a #gboolean indicating if events should be handled or not.
*
* Tell a @window that it should handle events from the window system. These
* events are forwarded upstream as navigation events. In some window systems
* events are not propagated in the window hierarchy if a client is listening
* for them. This method allows you to disable events handling completely
* from the @window.
*/
void
gst_vulkan_window_handle_events (GstVulkanWindow * window,
gboolean handle_events)
{
GstVulkanWindowClass *window_class;
g_return_if_fail (GST_IS_VULKAN_WINDOW (window));
window_class = GST_VULKAN_WINDOW_GET_CLASS (window);
if (window_class->handle_events)
window_class->handle_events (window, handle_events);
}
GType gst_vulkan_dummy_window_get_type (void);
G_DEFINE_TYPE (GstVulkanDummyWindow, gst_vulkan_dummy_window,
GST_TYPE_VULKAN_WINDOW);

16
gst-libs/gst/vulkan/gstvkwindow.h
View file

@ -91,6 +91,8 @@ struct _GstVulkanWindowClass {
void (*get_surface_dimensions) (GstVulkanWindow *window,
guint * width,
guint * height);
void (*handle_events) (GstVulkanWindow *window,
gboolean handle_events);
/*< private >*/
gpointer _reserved[GST_PADDING];
@ -116,6 +118,20 @@ GST_VULKAN_API
void gst_vulkan_window_set_window_handle (GstVulkanWindow *window,
guintptr handle);
GST_VULKAN_API
void gst_vulkan_window_handle_events (GstVulkanWindow * window,
gboolean handle_events);
GST_VULKAN_API
void gst_vulkan_window_send_key_event (GstVulkanWindow * window,
const char * event_type,
const char * key_str);
GST_VULKAN_API
void gst_vulkan_window_send_mouse_event (GstVulkanWindow * window,
const char * event_type,
int button,
double posx,
double posy);
GST_VULKAN_API
gboolean gst_vulkan_window_open (GstVulkanWindow *window,
GError ** error);