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gl/wayland: implement resizing the window using the right mouse button

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This commit is contained in:
Matthew Waters 2014-11-27 11:47:38 +11:00 committed by Tim-Philipp Müller
parent e252c908e7
commit e32c4a62c2
2 changed files with 51 additions and 12 deletions
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60
gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c
View file

@ -91,6 +91,40 @@ static void
pointer_handle_motion (void *data, struct wl_pointer *pointer, uint32_t time,
wl_fixed_t sx_w, wl_fixed_t sy_w)
{
GstGLWindowWaylandEGL *window_egl = data;
window_egl->display.pointer_x = wl_fixed_to_double (sx_w);
window_egl->display.pointer_y = wl_fixed_to_double (sy_w);
}
enum wl_edges
{
WL_EDGE_NONE = 0,
WL_EDGE_TOP = 1,
WL_EDGE_BOTTOM = 2,
WL_EDGE_LEFT = 4,
WL_EDGE_RIGHT = 8,
};
static guint
_get_closest_pointer_corner (GstGLWindowWaylandEGL * window_egl)
{
guint edges = 0;
gdouble win_width, win_height;
gdouble p_x, p_y;
win_width = (gdouble) window_egl->window.window_width;
win_height = (gdouble) window_egl->window.window_height;
p_x = window_egl->display.pointer_x;
p_y = window_egl->display.pointer_y;
if (win_width == 0.0 || win_height == 0.0)
return WL_EDGE_NONE;
edges |= win_width / 2.0 - p_x < 0.0 ? WL_EDGE_RIGHT : WL_EDGE_LEFT;
edges |= win_height / 2.0 - p_y < 0.0 ? WL_EDGE_BOTTOM : WL_EDGE_TOP;
return edges;
}
static void
@ -98,11 +132,16 @@ pointer_handle_button (void *data, struct wl_pointer *pointer, uint32_t serial,
uint32_t time, uint32_t button, uint32_t state_w)
{
GstGLWindowWaylandEGL *window_egl = data;
guint edges = _get_closest_pointer_corner (window_egl);
window_egl->display.serial = serial;
if (button == BTN_LEFT && state_w == WL_POINTER_BUTTON_STATE_PRESSED)
wl_shell_surface_move (window_egl->window.shell_surface,
window_egl->display.seat, serial);
if (button == BTN_RIGHT && state_w == WL_POINTER_BUTTON_STATE_PRESSED)
wl_shell_surface_resize (window_egl->window.shell_surface,
window_egl->display.seat, serial, edges);
}
static void
@ -154,6 +193,10 @@ static void
handle_ping (void *data, struct wl_shell_surface *shell_surface,
uint32_t serial)
{
GstGLWindowWaylandEGL *window_egl = data;
GST_TRACE_OBJECT (window_egl, "ping received serial %u", serial);
wl_shell_surface_pong (shell_surface, serial);
}
@ -166,7 +209,8 @@ handle_configure (void *data, struct wl_shell_surface *shell_surface,
{
GstGLWindowWaylandEGL *window_egl = data;
GST_DEBUG ("configure event %ix%i", width, height);
GST_DEBUG ("configure event on surface %p, %ix%i", shell_surface, width,
height);
window_resize (window_egl, width, height);
}
@ -241,6 +285,9 @@ registry_handle_global (void *data, struct wl_registry *registry,
GstGLWindowWaylandEGL *window_egl = data;
struct display *d = &window_egl->display;
GST_TRACE_OBJECT (window_egl, "registry_handle_global with registry %p, "
"interface %s, version %u", registry, interface, version);
if (g_strcmp0 (interface, "wl_compositor") == 0) {
d->compositor =
wl_registry_bind (registry, name, &wl_compositor_interface, 1);
@ -461,11 +508,6 @@ window_resize (GstGLWindowWaylandEGL * window_egl, guint width, guint height)
window_egl->window.window_width = width;
window_egl->window.window_height = height;
#if 0
wl_shell_surface_resize (window_egl->window.shell_surface,
window_egl->display.seat, window_egl->display.serial, 0);
#endif
}
struct draw
@ -483,12 +525,6 @@ draw_cb (gpointer data)
GstGLContext *context = gst_gl_window_get_context (window);
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
if (window_egl->window.window_width != draw_data->width
|| window_egl->window.window_height != draw_data->height) {
GST_DEBUG ("dimensions don't match, attempting resize");
window_resize (window_egl, draw_data->width, draw_data->height);
}
if (window->draw)
window->draw (window->draw_data);

3
gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.h
View file

@ -55,6 +55,9 @@ struct display {
struct wl_surface *cursor_surface;
struct window *window;
guint32 serial;
gdouble pointer_x;
gdouble pointer_y;
};
struct window {