c773859c99
It might happen that a gesture claims a sequence before any other gesture in its group even handled a single event from that sequence. In that case, ensure the state is set accordingly right when the sequence is handled in those. The "group" gesture testcase has been updated to observe this behavior.
523 lines
15 KiB
C
523 lines
15 KiB
C
#include <gtk/gtk.h>
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static gboolean
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inject_press (gpointer data)
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{
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GtkWidget *widget = data;
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GdkEventButton *ev;
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GdkDisplay *display;
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GdkDeviceManager *dm;
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GdkDevice *device;
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display = gtk_widget_get_display (widget);
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dm = gdk_display_get_device_manager (display);
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device = gdk_device_manager_get_client_pointer (dm);
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ev = (GdkEventButton*)gdk_event_new (GDK_BUTTON_PRESS);
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ev->window = g_object_ref (gtk_widget_get_window (widget));
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ev->time = GDK_CURRENT_TIME;
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ev->x = 1;
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ev->y = 1;
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ev->state = 0;
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ev->button = 1;
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gdk_event_set_device ((GdkEvent*)ev, device);
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gtk_main_do_event ((GdkEvent*)ev);
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gdk_event_free ((GdkEvent*)ev);
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return G_SOURCE_REMOVE;
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}
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static const gchar *
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phase_nick (GtkPropagationPhase phase)
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{
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GTypeClass *class;
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GEnumValue *value;
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class = g_type_class_ref (GTK_TYPE_PROPAGATION_PHASE);
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value = g_enum_get_value ((GEnumClass*)class, phase);
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g_type_class_unref (class);
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return value->value_nick;
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}
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static const gchar *
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state_nick (GtkEventSequenceState state)
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{
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GTypeClass *class;
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GEnumValue *value;
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class = g_type_class_ref (GTK_TYPE_EVENT_SEQUENCE_STATE);
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value = g_enum_get_value ((GEnumClass*)class, state);
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g_type_class_unref (class);
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return value->value_nick;
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}
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typedef struct {
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GString *str;
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gboolean exit;
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} LegacyData;
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static gboolean
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legacy_cb (GtkWidget *w, GdkEventButton *button, gpointer data)
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{
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LegacyData *ld = data;
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if (ld->str->len > 0)
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g_string_append (ld->str, ", ");
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g_string_append_printf (ld->str, "legacy %s", gtk_widget_get_name (w));
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return ld->exit;
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}
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typedef struct {
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GString *str;
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GtkEventSequenceState state;
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} GestureData;
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static void
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press_cb (GtkGesture *g, gint n_press, gdouble x, gdouble y, gpointer data)
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{
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GtkEventController *c = GTK_EVENT_CONTROLLER (g);
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GtkPropagationPhase phase;
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GestureData *gd = data;
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const gchar *name;
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name = g_object_get_data (G_OBJECT (g), "name");
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phase = gtk_event_controller_get_propagation_phase (c);
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if (gd->str->len > 0)
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g_string_append (gd->str, ", ");
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g_string_append_printf (gd->str, "%s %s", phase_nick (phase), name);
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if (gd->state != GTK_EVENT_SEQUENCE_NONE)
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gtk_gesture_set_state (g, gd->state);
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}
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static void
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cancel_cb (GtkGesture *g, GdkEventSequence *sequence, gpointer data)
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{
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GestureData *gd = data;
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const gchar *name;
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name = g_object_get_data (G_OBJECT (g), "name");
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if (gd->str->len > 0)
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g_string_append (gd->str, ", ");
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g_string_append_printf (gd->str, "%s cancelled", name);
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}
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static void
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state_changed_cb (GtkGesture *g, GdkEventSequence *sequence, GtkEventSequenceState state, gpointer data)
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{
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GestureData *gd = data;
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const gchar *name;
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name = g_object_get_data (G_OBJECT (g), "name");
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if (gd->str->len > 0)
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g_string_append (gd->str, ", ");
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g_string_append_printf (gd->str, "%s state %s", name, state_nick (state));
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}
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static GtkGesture *
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add_gesture (GtkWidget *w, const gchar *name, GtkPropagationPhase phase, GString *str, GtkEventSequenceState state)
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{
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GtkGesture *g;
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GestureData *data;
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data = g_new (GestureData, 1);
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data->str = str;
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data->state = state;
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g = gtk_gesture_multi_press_new (w);
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gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (g), FALSE);
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gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (g), 1);
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gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (g), phase);
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g_object_set_data (G_OBJECT (g), "name", (gpointer)name);
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g_signal_connect (g, "pressed", G_CALLBACK (press_cb), data);
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g_signal_connect (g, "cancel", G_CALLBACK (cancel_cb), data);
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g_signal_connect (g, "sequence-state-changed", G_CALLBACK (state_changed_cb), data);
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return g;
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}
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static void
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add_legacy (GtkWidget *w, GString *str, gboolean exit)
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{
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LegacyData *data;
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data = g_new (LegacyData, 1);
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data->str = str;
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data->exit = exit;
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g_signal_connect (w, "button-press-event", G_CALLBACK (legacy_cb), data);
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}
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static void
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test_phases (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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gtk_widget_show_all (A);
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str = g_string_new ("");
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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inject_press (C);
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g_assert_cmpstr (str->str, ==,
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"capture a1, "
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"capture b1, "
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"capture c1, "
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"target c2, "
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"bubble c3, "
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"bubble b3, "
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"bubble a3");
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g_string_free (str, TRUE);
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gtk_widget_destroy (A);
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}
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static void
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test_mixed (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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gtk_widget_show_all (A);
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str = g_string_new ("");
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_legacy (A, str, GDK_EVENT_PROPAGATE);
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add_legacy (B, str, GDK_EVENT_PROPAGATE);
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add_legacy (C, str, GDK_EVENT_PROPAGATE);
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inject_press (C);
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g_assert_cmpstr (str->str, ==,
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"capture a1, "
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"capture b1, "
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"capture c1, "
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"target c2, "
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"legacy C, "
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"bubble c3, "
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"legacy B, "
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"bubble b3, "
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"legacy A, "
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"bubble a3");
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g_string_free (str, TRUE);
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gtk_widget_destroy (A);
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}
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static void
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test_early_exit (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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gtk_widget_show_all (A);
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str = g_string_new ("");
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_legacy (A, str, GDK_EVENT_PROPAGATE);
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add_legacy (B, str, GDK_EVENT_STOP);
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add_legacy (C, str, GDK_EVENT_PROPAGATE);
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inject_press (C);
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g_assert_cmpstr (str->str, ==,
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"capture a1, "
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"capture b1, "
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"capture c1, "
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"target c2, "
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"legacy C, "
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"bubble c3, "
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"legacy B");
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g_string_free (str, TRUE);
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gtk_widget_destroy (A);
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}
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static void
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test_claim_capture (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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gtk_widget_show_all (A);
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str = g_string_new ("");
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_CLAIMED);
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add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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inject_press (C);
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g_assert_cmpstr (str->str, ==,
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"capture a1, "
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"capture b1, "
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"capture c1, "
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"b1 state denied, "
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"a1 state denied, "
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"c1 state claimed");
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g_string_free (str, TRUE);
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gtk_widget_destroy (A);
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}
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static void
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test_claim_target (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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gtk_widget_show_all (A);
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str = g_string_new ("");
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_CLAIMED);
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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inject_press (C);
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g_assert_cmpstr (str->str, ==,
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"capture a1, "
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"capture b1, "
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"capture c1, "
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"target c2, "
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/* "c1 state denied, " ? */
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"b1 state denied, "
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"a1 state denied, "
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"c2 state claimed");
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g_string_free (str, TRUE);
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gtk_widget_destroy (A);
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}
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static void
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test_claim_bubble (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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gtk_widget_show_all (A);
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str = g_string_new ("");
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_CLAIMED);
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add_gesture (C, "c3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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inject_press (C);
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g_assert_cmpstr (str->str, ==,
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"capture a1, "
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"capture b1, "
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"capture c1, "
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"target c2, "
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"bubble c3, "
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"bubble b3, "
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"c3 cancelled, "
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"c2 cancelled, "
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"c1 cancelled, "
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"a1 state denied, "
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"b3 state claimed"
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);
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g_string_free (str, TRUE);
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gtk_widget_destroy (A);
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}
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static void
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test_group (void)
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{
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GtkWidget *A, *B, *C;
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GString *str;
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GtkGesture *g1, *g2;
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|
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A = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_widget_set_name (A, "A");
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B = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_widget_set_name (B, "B");
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C = gtk_event_box_new ();
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gtk_widget_set_hexpand (C, TRUE);
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gtk_widget_set_vexpand (C, TRUE);
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gtk_widget_set_name (C, "C");
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|
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gtk_container_add (GTK_CONTAINER (A), B);
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gtk_container_add (GTK_CONTAINER (B), C);
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|
|
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gtk_widget_show_all (A);
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|
|
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str = g_string_new ("");
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|
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add_gesture (A, "a1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (C, "c1", GTK_PHASE_CAPTURE, str, GTK_EVENT_SEQUENCE_NONE);
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|
g1 = add_gesture (C, "c2", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_NONE);
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|
g2 = add_gesture (C, "c3", GTK_PHASE_TARGET, str, GTK_EVENT_SEQUENCE_CLAIMED);
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|
gtk_gesture_group (g1, g2);
|
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add_gesture (A, "a3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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add_gesture (B, "b3", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
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|
add_gesture (C, "c4", GTK_PHASE_BUBBLE, str, GTK_EVENT_SEQUENCE_NONE);
|
|
|
|
inject_press (C);
|
|
|
|
g_assert_cmpstr (str->str, ==,
|
|
"capture a1, "
|
|
"capture b1, "
|
|
"capture c1, "
|
|
"target c3, "
|
|
"b1 state denied, "
|
|
"a1 state denied, "
|
|
"c3 state claimed, "
|
|
"c2 state claimed, "
|
|
"target c2");
|
|
|
|
g_string_free (str, TRUE);
|
|
|
|
gtk_widget_destroy (A);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
gtk_test_init (&argc, &argv);
|
|
|
|
g_test_add_func ("/gestures/propagation/phases", test_phases);
|
|
g_test_add_func ("/gestures/propagation/mixed", test_mixed);
|
|
g_test_add_func ("/gestures/propagation/early-exit", test_early_exit);
|
|
g_test_add_func ("/gestures/propagation/claim/capture", test_claim_capture);
|
|
g_test_add_func ("/gestures/propagation/claim/target", test_claim_target);
|
|
g_test_add_func ("/gestures/propagation/claim/bubble", test_claim_bubble);
|
|
g_test_add_func ("/gestures/propagation/group", test_group);
|
|
|
|
return g_test_run ();
|
|
}
|