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shell/perf-helper: Subclass ApplicationWindow

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The signals we use to track whether a window has been mapped and
exposed no longer exist in GTK4. Prepare for that by using a
dedicated subclass instead of signal handlers.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2733>
This commit is contained in:
Florian Müllner 2023-04-18 19:07:29 +02:00 committed by Marge Bot
parent b4ffeb36f6
commit 12fafec141
1 changed files with 95 additions and 62 deletions
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157
src/shell-perf-helper.c
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@ -32,19 +32,6 @@ static const gchar introspection_xml[] =
" </interface>" " </interface>"
"</node>"; "</node>";
typedef struct {
GtkWidget *window;
guint alpha : 1;
guint redraws : 1;
guint mapped : 1;
guint exposed : 1;
guint pending : 1;
gint64 start_time;
gint64 time;
} WindowInfo;
static int opt_idle_timeout = 30; static int opt_idle_timeout = 30;
static GOptionEntry opt_entries[] = static GOptionEntry opt_entries[] =
@ -66,6 +53,24 @@ struct _PerfHelperApp {
G_DEFINE_TYPE (PerfHelperApp, perf_helper_app, GTK_TYPE_APPLICATION); G_DEFINE_TYPE (PerfHelperApp, perf_helper_app, GTK_TYPE_APPLICATION);
#define PERF_HELPER_TYPE_WINDOW (perf_helper_window_get_type ())
G_DECLARE_FINAL_TYPE (PerfHelperWindow, perf_helper_window, PERF_HELPER, WINDOW, GtkApplicationWindow)
struct _PerfHelperWindow {
GtkApplicationWindow parent;
guint alpha : 1;
guint redraws : 1;
guint mapped : 1;
guint exposed : 1;
guint pending : 1;
gint64 start_time;
gint64 time;
};
G_DEFINE_TYPE (PerfHelperWindow, perf_helper_window, GTK_TYPE_APPLICATION_WINDOW);
static void destroy_windows (PerfHelperApp *app); static void destroy_windows (PerfHelperApp *app);
static void finish_wait_windows (PerfHelperApp *app); static void finish_wait_windows (PerfHelperApp *app);
static void check_finish_wait_windows (PerfHelperApp *app); static void check_finish_wait_windows (PerfHelperApp *app);
@ -97,11 +102,7 @@ destroy_windows (PerfHelperApp *app)
GList *l; GList *l;
for (l = app->our_windows; l; l = l->next) for (l = app->our_windows; l; l = l->next)
{ gtk_widget_destroy (GTK_WIDGET (l->data));
WindowInfo *info = l->data;
gtk_widget_destroy (info->window);
g_free (info);
}
g_clear_list (&app->our_windows, NULL); g_clear_list (&app->our_windows, NULL);
@ -109,25 +110,41 @@ destroy_windows (PerfHelperApp *app)
} }
static gboolean static gboolean
on_window_map_event (GtkWidget *window, on_window_map_event (GtkWidget *toplevel,
GdkEventAny *event, GdkEventAny *event,
WindowInfo *info) PerfHelperWindow *window)
{ {
info->mapped = TRUE; window->mapped = TRUE;
return FALSE; return FALSE;
} }
static gboolean static void
on_window_draw (GtkWidget *window, perf_helper_window_realize (GtkWidget *widget)
cairo_t *cr,
WindowInfo *info)
{ {
info->exposed = TRUE; GtkWidget *toplevel;
if (info->exposed && info->mapped && info->pending) GTK_WIDGET_CLASS (perf_helper_window_parent_class)->realize (widget);
toplevel = gtk_widget_get_toplevel (widget);
g_signal_connect_object (toplevel,
"map-event", G_CALLBACK (on_window_map_event),
widget, G_CONNECT_DEFAULT);
}
static gboolean
perf_helper_window_draw (GtkWidget *widget,
cairo_t *cr)
{
PerfHelperWindow *window = PERF_HELPER_WINDOW (widget);
GTK_WIDGET_CLASS (perf_helper_window_parent_class)->draw (widget, cr);
window->exposed = TRUE;
if (window->exposed && window->mapped && window->pending)
{ {
info->pending = FALSE; window->pending = FALSE;
check_finish_wait_windows (PERF_HELPER_APP (g_application_get_default ())); check_finish_wait_windows (PERF_HELPER_APP (g_application_get_default ()));
} }
@ -135,14 +152,17 @@ on_window_draw (GtkWidget *window,
} }
static gboolean static gboolean
on_child_draw (GtkWidget *window, on_child_draw (GtkWidget *widget,
cairo_t *cr, cairo_t *cr,
WindowInfo *info) gpointer user_data)
{ {
PerfHelperWindow *window;
cairo_rectangle_int_t allocation; cairo_rectangle_int_t allocation;
double x_offset, y_offset; double x_offset, y_offset;
gtk_widget_get_allocation (window, &allocation); window = PERF_HELPER_WINDOW (gtk_widget_get_toplevel (widget));
gtk_widget_get_allocation (widget, &allocation);
/* We draw an arbitrary pattern of red lines near the border of the /* We draw an arbitrary pattern of red lines near the border of the
* window to make it more clear than empty windows if something * window to make it more clear than empty windows if something
@ -152,7 +172,7 @@ on_child_draw (GtkWidget *window,
cairo_save (cr); cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
if (info->alpha) if (window->alpha)
cairo_set_source_rgba (cr, 1, 1, 1, 0.5); cairo_set_source_rgba (cr, 1, 1, 1, 0.5);
else else
cairo_set_source_rgb (cr, 1, 1, 1); cairo_set_source_rgb (cr, 1, 1, 1);
@ -160,9 +180,9 @@ on_child_draw (GtkWidget *window,
cairo_paint (cr); cairo_paint (cr);
cairo_restore (cr); cairo_restore (cr);
if (info->redraws) if (window->redraws)
{ {
double position = (info->time - info->start_time) / 1000000.; double position = (window->time - window->start_time) / 1000000.;
x_offset = 20 * cos (2 * M_PI * position); x_offset = 20 * cos (2 * M_PI * position);
y_offset = 20 * sin (2 * M_PI * position); y_offset = 20 * sin (2 * M_PI * position);
} }
@ -191,12 +211,12 @@ tick_callback (GtkWidget *widget,
GdkFrameClock *frame_clock, GdkFrameClock *frame_clock,
gpointer user_data) gpointer user_data)
{ {
WindowInfo *info = user_data; PerfHelperWindow *window = PERF_HELPER_WINDOW (widget);
if (info->start_time < 0) if (window->start_time < 0)
info->start_time = info->time = gdk_frame_clock_get_frame_time (frame_clock); window->start_time = window->time = gdk_frame_clock_get_frame_time (frame_clock);
else else
info->time = gdk_frame_clock_get_frame_time (frame_clock); window->time = gdk_frame_clock_get_frame_time (frame_clock);
gtk_widget_queue_draw (widget); gtk_widget_queue_draw (widget);
@ -212,19 +232,19 @@ create_window (PerfHelperApp *app,
gboolean redraws, gboolean redraws,
gboolean text_input) gboolean text_input)
{ {
WindowInfo *info; PerfHelperWindow *window;
GtkWidget *child; GtkWidget *child;
info = g_new0 (WindowInfo, 1); window = g_object_new (PERF_HELPER_TYPE_WINDOW,
info->alpha = alpha; "application", app,
info->redraws = redraws; NULL);
info->window = gtk_application_window_new (GTK_APPLICATION (app));
window->alpha = alpha;
window->redraws = redraws;
if (alpha) if (alpha)
gtk_widget_set_visual (info->window, gdk_screen_get_rgba_visual (gdk_screen_get_default ())); gtk_widget_set_visual (GTK_WIDGET (window), gdk_screen_get_rgba_visual (gdk_screen_get_default ()));
if (maximized) if (maximized)
gtk_window_maximize (GTK_WINDOW (info->window)); gtk_window_maximize (GTK_WINDOW (window));
info->pending = TRUE;
info->start_time = -1;
if (text_input) if (text_input)
{ {
@ -234,23 +254,20 @@ create_window (PerfHelperApp *app,
else else
{ {
child = g_object_new (GTK_TYPE_BOX, "visible", TRUE, "app-paintable", TRUE, NULL); child = g_object_new (GTK_TYPE_BOX, "visible", TRUE, "app-paintable", TRUE, NULL);
gtk_widget_set_app_paintable (info->window, TRUE);
g_signal_connect (child, "draw", G_CALLBACK (on_child_draw), info); gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
g_signal_connect (child, "draw", G_CALLBACK (on_child_draw), NULL);
} }
gtk_container_add (GTK_CONTAINER (info->window), child); gtk_container_add (GTK_CONTAINER (window), child);
g_signal_connect (info->window, "draw", G_CALLBACK (on_window_draw), info); gtk_widget_set_size_request (GTK_WIDGET (window), width, height);
g_signal_connect (info->window, "map-event", G_CALLBACK (on_window_map_event), info); gtk_widget_show (GTK_WIDGET (window));
gtk_widget_set_size_request (info->window, width, height); if (redraws)
gtk_widget_show (info->window); gtk_widget_add_tick_callback (GTK_WIDGET (window), tick_callback, NULL, NULL);
if (info->redraws) app->our_windows = g_list_prepend (app->our_windows, window);
gtk_widget_add_tick_callback (info->window, tick_callback,
info, NULL);
app->our_windows = g_list_prepend (app->our_windows, info);
} }
static void static void
@ -272,8 +289,8 @@ check_finish_wait_windows (PerfHelperApp *app)
for (l = app->our_windows; l; l = l->next) for (l = app->our_windows; l; l = l->next)
{ {
WindowInfo *info = l->data; PerfHelperWindow *window = l->data;
if (info->pending) if (window->pending)
have_pending = TRUE; have_pending = TRUE;
} }
@ -385,6 +402,22 @@ perf_helper_app_new (void) {
NULL); NULL);
} }
static void
perf_helper_window_init (PerfHelperWindow *window)
{
window->pending = TRUE;
window->start_time = -1;
}
static void
perf_helper_window_class_init (PerfHelperWindowClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
widget_class->realize = perf_helper_window_realize;
widget_class->draw = perf_helper_window_draw;
}
int int
main (int argc, char **argv) main (int argc, char **argv)
{ {