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Merge branch 'wip/carlosg/spin-button-swipe-gesture-4-2' into 'gtk-4-2'

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spinbutton: Connect swipe gesture to the text entry

See merge request GNOME/gtk!3651
This commit is contained in:
Matthias Clasen 2021-06-08 17:07:53 +00:00
commit 2a0a55ae97
1 changed files with 8 additions and 3 deletions
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11
gtk/gtkspinbutton.c
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@ -208,6 +208,7 @@ struct _GtkSpinButton
double climb_rate;
double timer_step;
double swipe_remainder;
int width_chars;
@ -838,6 +839,7 @@ swipe_gesture_begin (GtkGesture *gesture,
{
gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_CLAIMED);
gtk_widget_grab_focus (GTK_WIDGET (spin_button));
spin_button->swipe_remainder = 0;
}
static void
@ -845,10 +847,12 @@ swipe_gesture_update (GtkGesture *gesture,
GdkEventSequence *sequence,
GtkSpinButton *spin_button)
{
double vel_y;
double vel_y, step;
gtk_gesture_swipe_get_velocity (GTK_GESTURE_SWIPE (gesture), NULL, &vel_y);
gtk_spin_button_real_spin (spin_button, -vel_y / 20);
step = (-vel_y / 20) + spin_button->swipe_remainder;
spin_button->swipe_remainder = fmod (step, gtk_adjustment_get_step_increment (spin_button->adjustment));
gtk_spin_button_real_spin (spin_button, step - spin_button->swipe_remainder);
}
static gboolean
@ -1078,7 +1082,8 @@ gtk_spin_button_init (GtkSpinButton *spin_button)
G_CALLBACK (swipe_gesture_begin), spin_button);
g_signal_connect (gesture, "update",
G_CALLBACK (swipe_gesture_update), spin_button);
gtk_widget_add_controller (GTK_WIDGET (spin_button), GTK_EVENT_CONTROLLER (gesture));
gtk_widget_add_controller (GTK_WIDGET (spin_button->entry),
GTK_EVENT_CONTROLLER (gesture));
controller = gtk_event_controller_scroll_new (GTK_EVENT_CONTROLLER_SCROLL_VERTICAL |
GTK_EVENT_CONTROLLER_SCROLL_DISCRETE);