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https://github.com/varun-r-mallya/sysprof.git
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9381ae3070
We definitely want to do something better, but this at least allows testing some data which is useful now to see what is going on.
376 lines
12 KiB
C
376 lines
12 KiB
C
/* sp-mark-visualizer-row.c
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*
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* Copyright 2018 Christian Hergert <chergert@redhat.com>
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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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#define G_LOG_DOMAIN "sp-mark-visualizer-row"
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#include "capture/sp-capture-condition.h"
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#include "capture/sp-capture-cursor.h"
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#include "util/rectangles.h"
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#include "visualizers/sp-mark-visualizer-row.h"
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typedef struct
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{
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/*
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* Our reader as assigned by the visualizer system.
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*/
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SpCaptureReader *reader;
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/*
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* The group we care about for displaying marks. The idea is that we only
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* show one group per-row, so tooling from separate systems can either be
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* displayed together or not, based on usefulness.
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*/
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gchar *group;
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/*
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* Rectangle information we have built from the marks that belong to this
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* row of information.
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*/
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Rectangles *rectangles;
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/*
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* Child widget to display the label in the upper corner.
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*/
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GtkLabel *label;
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} SpMarkVisualizerRowPrivate;
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typedef struct
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{
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gchar *group;
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SpCaptureCursor *cursor;
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Rectangles *rects;
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} BuildState;
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enum {
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PROP_0,
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PROP_GROUP,
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PROP_TITLE,
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N_PROPS
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};
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G_DEFINE_TYPE_WITH_PRIVATE (SpMarkVisualizerRow, sp_mark_visualizer_row, SP_TYPE_VISUALIZER_ROW)
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static GParamSpec *properties [N_PROPS];
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static void
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build_state_free (BuildState *state)
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{
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g_free (state->group);
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g_object_unref (state->cursor);
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g_slice_free (BuildState, state);
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}
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static gboolean
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sp_mark_visualizer_row_add_rect (const SpCaptureFrame *frame,
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gpointer user_data)
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{
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BuildState *state = user_data;
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const SpCaptureMark *mark = (const SpCaptureMark *)frame;
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g_assert (frame != NULL);
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g_assert (frame->type == SP_CAPTURE_FRAME_MARK);
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g_assert (state != NULL);
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g_assert (state->rects != NULL);
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if (g_strcmp0 (mark->group, state->group) == 0)
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rectangles_add (state->rects,
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frame->time,
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frame->time + mark->duration,
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mark->name,
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mark->message);
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return TRUE;
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}
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static void
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sp_mark_visualizer_row_worker (GTask *task,
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gpointer source_object,
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gpointer task_data,
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GCancellable *cancellable)
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{
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BuildState *state = task_data;
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gint64 end_time;
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g_assert (G_IS_TASK (task));
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g_assert (SP_IS_MARK_VISUALIZER_ROW (source_object));
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g_assert (state != NULL);
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g_assert (SP_IS_CAPTURE_CURSOR (state->cursor));
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sp_capture_cursor_foreach (state->cursor, sp_mark_visualizer_row_add_rect, state);
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end_time = sp_capture_reader_get_end_time (sp_capture_cursor_get_reader (state->cursor));
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rectangles_set_end_time (state->rects, end_time);
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g_task_return_pointer (task, g_steal_pointer (&state->rects), (GDestroyNotify)rectangles_free);
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}
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static gboolean
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sp_mark_visualizer_row_query_tooltip (GtkWidget *widget,
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gint x,
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gint y,
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gboolean keyboard_mode,
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GtkTooltip *tooltip)
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{
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SpMarkVisualizerRow *self = (SpMarkVisualizerRow *)widget;
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_assert (SP_IS_MARK_VISUALIZER_ROW (self));
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if (priv->rectangles == NULL)
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return FALSE;
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return rectangles_query_tooltip (priv->rectangles, tooltip, priv->group, x, y);
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}
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static gboolean
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sp_mark_visualizer_row_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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SpMarkVisualizerRow *self = (SpMarkVisualizerRow *)widget;
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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GtkStyleContext *style_context;
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GtkStateFlags flags;
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GdkRGBA foreground;
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GtkAllocation alloc;
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gboolean ret;
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g_assert (SP_IS_MARK_VISUALIZER_ROW (widget));
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g_assert (cr != NULL);
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gtk_widget_get_allocation (widget, &alloc);
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ret = GTK_WIDGET_CLASS (sp_mark_visualizer_row_parent_class)->draw (widget, cr);
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if (priv->rectangles == NULL)
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return ret;
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style_context = gtk_widget_get_style_context (widget);
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flags = gtk_widget_get_state_flags (widget);
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gtk_style_context_get_color (style_context, flags, &foreground);
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rectangles_draw (priv->rectangles, GTK_WIDGET (self), cr);
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return ret;
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}
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static void
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data_load_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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SpMarkVisualizerRow *self = (SpMarkVisualizerRow *)object;
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_assert (SP_IS_MARK_VISUALIZER_ROW (self));
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g_assert (G_IS_TASK (result));
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g_clear_pointer (&priv->rectangles, rectangles_free);
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priv->rectangles = g_task_propagate_pointer (G_TASK (result), NULL);
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gtk_widget_queue_draw (GTK_WIDGET (self));
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}
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static void
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sp_mark_visualizer_row_reload (SpMarkVisualizerRow *self)
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{
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_autoptr(SpCaptureCursor) cursor = NULL;
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g_autoptr(GTask) task = NULL;
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SpCaptureCondition *condition;
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BuildState *state;
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g_assert (SP_IS_MARK_VISUALIZER_ROW (self));
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g_clear_pointer (&priv->rectangles, rectangles_free);
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condition = sp_capture_condition_new_where_type_in (1, (SpCaptureFrameType[]) { SP_CAPTURE_FRAME_MARK });
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cursor = sp_capture_cursor_new (priv->reader);
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sp_capture_cursor_add_condition (cursor, g_steal_pointer (&condition));
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state = g_slice_new0 (BuildState);
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state->group = g_strdup (priv->group);
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state->cursor = g_steal_pointer (&cursor);
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state->rects = rectangles_new (sp_capture_reader_get_start_time (priv->reader),
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sp_capture_reader_get_end_time (priv->reader));
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task = g_task_new (self, NULL, data_load_cb, NULL);
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g_task_set_task_data (task, state, (GDestroyNotify)build_state_free);
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g_task_run_in_thread (task, sp_mark_visualizer_row_worker);
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}
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static void
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sp_mark_visualizer_row_set_reader (SpVisualizerRow *row,
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SpCaptureReader *reader)
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{
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SpMarkVisualizerRow *self = (SpMarkVisualizerRow *)row;
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_assert (SP_IS_MARK_VISUALIZER_ROW (self));
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if (reader != priv->reader)
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{
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g_clear_pointer (&priv->reader, sp_capture_reader_unref);
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if (reader != NULL)
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priv->reader = sp_capture_reader_ref (reader);
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sp_mark_visualizer_row_reload (self);
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}
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}
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static void
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sp_mark_visualizer_row_finalize (GObject *object)
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{
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SpMarkVisualizerRow *self = (SpMarkVisualizerRow *)object;
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_clear_pointer (&priv->group, g_free);
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g_clear_pointer (&priv->rectangles, rectangles_free);
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G_OBJECT_CLASS (sp_mark_visualizer_row_parent_class)->finalize (object);
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}
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static void
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sp_mark_visualizer_row_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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SpMarkVisualizerRow *self = SP_MARK_VISUALIZER_ROW (object);
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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switch (prop_id)
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{
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case PROP_GROUP:
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g_value_set_string (value, sp_mark_visualizer_row_get_group (self));
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break;
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case PROP_TITLE:
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g_value_set_string (value, gtk_label_get_label (priv->label));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sp_mark_visualizer_row_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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SpMarkVisualizerRow *self = SP_MARK_VISUALIZER_ROW (object);
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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switch (prop_id)
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{
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case PROP_GROUP:
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sp_mark_visualizer_row_set_group (self, g_value_get_string (value));
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break;
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case PROP_TITLE:
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gtk_label_set_label (priv->label, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sp_mark_visualizer_row_class_init (SpMarkVisualizerRowClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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SpVisualizerRowClass *visualizer_class = SP_VISUALIZER_ROW_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->finalize = sp_mark_visualizer_row_finalize;
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object_class->get_property = sp_mark_visualizer_row_get_property;
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object_class->set_property = sp_mark_visualizer_row_set_property;
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widget_class->draw = sp_mark_visualizer_row_draw;
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widget_class->query_tooltip = sp_mark_visualizer_row_query_tooltip;
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visualizer_class->set_reader = sp_mark_visualizer_row_set_reader;
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properties [PROP_GROUP] =
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g_param_spec_string ("group",
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"Group",
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"The group of the row",
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NULL,
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(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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properties [PROP_TITLE] =
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g_param_spec_string ("title",
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"Title",
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"The title of the row",
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NULL,
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(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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sp_mark_visualizer_row_init (SpMarkVisualizerRow *self)
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{
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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PangoAttrList *attrs = pango_attr_list_new ();
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gtk_widget_set_has_tooltip (GTK_WIDGET (self), TRUE);
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pango_attr_list_insert (attrs, pango_attr_scale_new (PANGO_SCALE_SMALL * PANGO_SCALE_SMALL));
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priv->label = g_object_new (GTK_TYPE_LABEL,
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"attributes", attrs,
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"visible", TRUE,
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"xalign", 0.0f,
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"yalign", 0.0f,
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NULL);
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gtk_container_add (GTK_CONTAINER (self), GTK_WIDGET (priv->label));
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pango_attr_list_unref (attrs);
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}
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GtkWidget *
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sp_mark_visualizer_row_new (void)
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{
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return g_object_new (SP_TYPE_MARK_VISUALIZER_ROW, NULL);
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}
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const gchar *
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sp_mark_visualizer_row_get_group (SpMarkVisualizerRow *self)
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{
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_return_val_if_fail (SP_IS_MARK_VISUALIZER_ROW (self), NULL);
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return priv->group;
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}
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void
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sp_mark_visualizer_row_set_group (SpMarkVisualizerRow *self,
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const gchar *group)
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{
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SpMarkVisualizerRowPrivate *priv = sp_mark_visualizer_row_get_instance_private (self);
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g_return_if_fail (SP_IS_MARK_VISUALIZER_ROW (self));
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if (g_strcmp0 (priv->group, group) != 0)
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{
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g_free (priv->group);
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priv->group = g_strdup (group);
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g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_GROUP]);
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}
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}
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