forked from AuroraMiddleware/gtk
gesturestylus: Only add histroy element if translation succeeded
Instead of always doing it and then undoing it if the translation does not succeed.
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parent
e336fe2bf8
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71efa96ef2
@ -344,24 +344,22 @@ gtk_gesture_stylus_get_backlog (GtkGestureStylus *gesture,
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controller_widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
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for (i = 0; i < n_coords; i++)
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{
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GdkTimeCoord *time_coord = &history[i];
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const GdkTimeCoord *time_coord = &history[i];
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graphene_point_t p;
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g_array_append_val (backlog_array, *time_coord);
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time_coord = &g_array_index (backlog_array, GdkTimeCoord, backlog_array->len - 1);
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if (gtk_widget_compute_point (event_widget, controller_widget,
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&GRAPHENE_POINT_INIT (time_coord->axes[GDK_AXIS_X] - surf_x,
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time_coord->axes[GDK_AXIS_Y] - surf_y),
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&p))
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{
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time_coord->axes[GDK_AXIS_X] = p.x;
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time_coord->axes[GDK_AXIS_Y] = p.y;
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GdkTimeCoord translated_coord = *time_coord;
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translated_coord.axes[GDK_AXIS_X] = p.x;
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translated_coord.axes[GDK_AXIS_Y] = p.y;
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g_array_append_val (backlog_array, translated_coord);
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}
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else
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{
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g_array_set_size (backlog_array, backlog_array->len - 1);
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}
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}
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}
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*n_elems = backlog_array->len;
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*backlog = (GdkTimeCoord *) g_array_free (backlog_array, FALSE);
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