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b9b96184cd
This gets the basic zoom control working. I anticipate we'll need some additional changes once we land panning support.
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/* sp-visualizer-row.c
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*
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* Copyright (C) 2016 Christian Hergert <christian@hergert.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sp-visualizer-row.h"
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typedef struct
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{
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gint64 begin_time;
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gint64 end_time;
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} SpVisualizerRowPrivate;
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G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (SpVisualizerRow, sp_visualizer_row, GTK_TYPE_LIST_BOX_ROW)
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static void
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sp_visualizer_row_class_init (SpVisualizerRowClass *klass)
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{
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}
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static void
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sp_visualizer_row_init (SpVisualizerRow *self)
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{
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}
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void
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sp_visualizer_row_set_reader (SpVisualizerRow *self,
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SpCaptureReader *reader)
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{
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g_return_if_fail (SP_IS_VISUALIZER_ROW (self));
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if (SP_VISUALIZER_ROW_GET_CLASS (self)->set_reader)
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SP_VISUALIZER_ROW_GET_CLASS (self)->set_reader (self, reader);
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}
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void
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sp_visualizer_row_set_time_range (SpVisualizerRow *self,
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gint64 begin_time,
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gint64 end_time)
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{
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SpVisualizerRowPrivate *priv = sp_visualizer_row_get_instance_private (self);
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g_return_if_fail (SP_IS_VISUALIZER_ROW (self));
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if (begin_time > end_time)
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{
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gint64 tmp = begin_time;
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begin_time = end_time;
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end_time = tmp;
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}
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priv->begin_time = begin_time;
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priv->end_time = end_time;
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if (SP_VISUALIZER_ROW_GET_CLASS (self)->set_time_range)
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SP_VISUALIZER_ROW_GET_CLASS (self)->set_time_range (self, begin_time, end_time);
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gtk_widget_queue_draw (GTK_WIDGET (self));
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}
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void
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sp_visualizer_row_get_time_range (SpVisualizerRow *self,
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gint64 *begin_time,
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gint64 *end_time)
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{
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SpVisualizerRowPrivate *priv = sp_visualizer_row_get_instance_private (self);
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g_return_if_fail (SP_IS_VISUALIZER_ROW (self));
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g_return_if_fail (begin_time != NULL);
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g_return_if_fail (end_time != NULL);
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if (begin_time != NULL)
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*begin_time = priv->begin_time;
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if (end_time != NULL)
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*end_time = priv->end_time;
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}
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