[sysprof/wip/gtk4-port: 43/125] cellrendererpercent: subclass private progress implementation
- From: Christian Hergert <chergert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [sysprof/wip/gtk4-port: 43/125] cellrendererpercent: subclass private progress implementation
- Date: Fri, 29 Oct 2021 02:02:32 +0000 (UTC)
commit 3fbadcc1f70457dd5283b6fbdb29b882dc947f7c
Author: Christian Hergert <chergert redhat com>
Date: Thu Sep 30 14:56:37 2021 -0700
cellrendererpercent: subclass private progress implementation
We might get this subclassable in GTK soon, but until then just subclass
so we can move on and port more things.
src/libsysprof-ui/meson.build | 1 +
src/libsysprof-ui/sysprof-cell-renderer-percent.c | 2 +-
src/libsysprof-ui/sysprof-cell-renderer-percent.h | 6 +-
src/libsysprof-ui/sysprof-cell-renderer-progress.c | 712 +++++++++++++++++++++
src/libsysprof-ui/sysprof-cell-renderer-progress.h | 53 ++
5 files changed, 770 insertions(+), 4 deletions(-)
---
diff --git a/src/libsysprof-ui/meson.build b/src/libsysprof-ui/meson.build
index 2ad83acc..f6c6732e 100644
--- a/src/libsysprof-ui/meson.build
+++ b/src/libsysprof-ui/meson.build
@@ -24,6 +24,7 @@ libsysprof_ui_private_sources = [
'sysprof-callgraph-page.c',
'sysprof-cell-renderer-duration.c',
'sysprof-cell-renderer-percent.c',
+ 'sysprof-cell-renderer-progress.c',
'sysprof-color-cycle.c',
'sysprof-counters-aid.c',
'sysprof-cpu-aid.c',
diff --git a/src/libsysprof-ui/sysprof-cell-renderer-percent.c
b/src/libsysprof-ui/sysprof-cell-renderer-percent.c
index d0d25d6d..e23e1fed 100644
--- a/src/libsysprof-ui/sysprof-cell-renderer-percent.c
+++ b/src/libsysprof-ui/sysprof-cell-renderer-percent.c
@@ -37,7 +37,7 @@ enum {
N_PROPS
};
-G_DEFINE_TYPE_WITH_PRIVATE (SysprofCellRendererPercent, sysprof_cell_renderer_percent,
GTK_TYPE_CELL_RENDERER_PROGRESS)
+G_DEFINE_TYPE_WITH_PRIVATE (SysprofCellRendererPercent, sysprof_cell_renderer_percent,
SYSPROF_TYPE_CELL_RENDERER_PROGRESS)
static GParamSpec *properties [N_PROPS];
diff --git a/src/libsysprof-ui/sysprof-cell-renderer-percent.h
b/src/libsysprof-ui/sysprof-cell-renderer-percent.h
index b917ea7f..44a8fc04 100644
--- a/src/libsysprof-ui/sysprof-cell-renderer-percent.h
+++ b/src/libsysprof-ui/sysprof-cell-renderer-percent.h
@@ -20,7 +20,7 @@
#pragma once
-#include <gtk/gtk.h>
+#include "sysprof-cell-renderer-progress.h"
G_BEGIN_DECLS
@@ -37,12 +37,12 @@ typedef struct _SysprofCellRendererPercentClass SysprofCellRendererPercentClass;
struct _SysprofCellRendererPercent
{
- GtkCellRendererProgress parent;
+ SysprofCellRendererProgress parent;
};
struct _SysprofCellRendererPercentClass
{
- GtkCellRendererProgressClass parent_class;
+ SysprofCellRendererProgressClass parent_class;
/*< private >*/
gpointer _reserved[4];
diff --git a/src/libsysprof-ui/sysprof-cell-renderer-progress.c
b/src/libsysprof-ui/sysprof-cell-renderer-progress.c
new file mode 100644
index 00000000..a0943b64
--- /dev/null
+++ b/src/libsysprof-ui/sysprof-cell-renderer-progress.c
@@ -0,0 +1,712 @@
+/* gtkcellrendererprogress.c
+ * Copyright (C) 2002 Naba Kumar <kh_naba users sourceforge net>
+ * heavily modified by Jörgen Scheibengruber <mfcn gmx de>
+ * heavily modified by Marco Pesenti Gritti <marco gnome org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+/*
+ * Modified by the GTK+ Team and others 1997-2007. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+#include <stdlib.h>
+
+#include "sysprof-cell-renderer-progress.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_VALUE,
+ PROP_TEXT,
+ PROP_PULSE,
+ PROP_TEXT_XALIGN,
+ PROP_TEXT_YALIGN,
+ PROP_ORIENTATION,
+ PROP_INVERTED
+};
+
+struct _SysprofCellRendererProgressPrivate
+{
+ int value;
+ char *text;
+ char *label;
+ int min_h;
+ int min_w;
+ int pulse;
+ int offset;
+ float text_xalign;
+ float text_yalign;
+ GtkOrientation orientation;
+ gboolean inverted;
+};
+
+static void sysprof_cell_renderer_progress_finalize (GObject *object);
+static void sysprof_cell_renderer_progress_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void sysprof_cell_renderer_progress_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void sysprof_cell_renderer_progress_set_value (SysprofCellRendererProgress *cellprogress,
+ int value);
+static void sysprof_cell_renderer_progress_set_text (SysprofCellRendererProgress *cellprogress,
+ const char *text);
+static void sysprof_cell_renderer_progress_set_pulse (SysprofCellRendererProgress *cellprogress,
+ int pulse);
+static void compute_dimensions (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ const char *text,
+ int *width,
+ int *height);
+static void sysprof_cell_renderer_progress_snapshot (GtkCellRenderer *cell,
+ GtkSnapshot *snapshot,
+ GtkWidget *widget,
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags);
+
+
+G_DEFINE_TYPE_WITH_CODE (SysprofCellRendererProgress, sysprof_cell_renderer_progress, GTK_TYPE_CELL_RENDERER,
+ G_ADD_PRIVATE (SysprofCellRendererProgress)
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL))
+
+static void
+recompute_label (SysprofCellRendererProgress *cellprogress)
+{
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+ char *label;
+
+ if (priv->text)
+ label = g_strdup (priv->text);
+ else if (priv->pulse < 0)
+ label = g_strdup_printf (C_("progress bar label", "%d %%"), priv->value);
+ else
+ label = NULL;
+
+ g_free (priv->label);
+ priv->label = label;
+}
+
+static void
+sysprof_cell_renderer_progress_set_value (SysprofCellRendererProgress *cellprogress,
+ int value)
+{
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+
+ if (priv->value != value)
+ {
+ priv->value = value;
+ recompute_label (cellprogress);
+ g_object_notify (G_OBJECT (cellprogress), "value");
+ }
+}
+
+static void
+sysprof_cell_renderer_progress_set_text (SysprofCellRendererProgress *cellprogress,
+ const char *text)
+{
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+ char *new_text;
+
+ new_text = g_strdup (text);
+ g_free (priv->text);
+ priv->text = new_text;
+ recompute_label (cellprogress);
+ g_object_notify (G_OBJECT (cellprogress), "text");
+}
+
+static void
+sysprof_cell_renderer_progress_set_pulse (SysprofCellRendererProgress *cellprogress,
+ int pulse)
+{
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+
+ if (pulse != priv->pulse)
+ {
+ if (pulse <= 0)
+ priv->offset = 0;
+ else
+ priv->offset = pulse;
+ g_object_notify (G_OBJECT (cellprogress), "pulse");
+ }
+
+ priv->pulse = pulse;
+ recompute_label (cellprogress);
+}
+
+static void
+sysprof_cell_renderer_progress_finalize (GObject *object)
+{
+ SysprofCellRendererProgress *cellprogress = SYSPROF_CELL_RENDERER_PROGRESS (object);
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+
+ g_free (priv->text);
+ g_free (priv->label);
+
+ G_OBJECT_CLASS (sysprof_cell_renderer_progress_parent_class)->finalize (object);
+}
+
+static void
+sysprof_cell_renderer_progress_get_property (GObject *object,
+ guint param_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ SysprofCellRendererProgress *cellprogress = SYSPROF_CELL_RENDERER_PROGRESS (object);
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+
+ switch (param_id)
+ {
+ case PROP_VALUE:
+ g_value_set_int (value, priv->value);
+ break;
+ case PROP_TEXT:
+ g_value_set_string (value, priv->text);
+ break;
+ case PROP_PULSE:
+ g_value_set_int (value, priv->pulse);
+ break;
+ case PROP_TEXT_XALIGN:
+ g_value_set_float (value, priv->text_xalign);
+ break;
+ case PROP_TEXT_YALIGN:
+ g_value_set_float (value, priv->text_yalign);
+ break;
+ case PROP_ORIENTATION:
+ g_value_set_enum (value, priv->orientation);
+ break;
+ case PROP_INVERTED:
+ g_value_set_boolean (value, priv->inverted);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ }
+}
+
+static void
+sysprof_cell_renderer_progress_set_property (GObject *object,
+ guint param_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ SysprofCellRendererProgress *cellprogress = SYSPROF_CELL_RENDERER_PROGRESS (object);
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+
+ switch (param_id)
+ {
+ case PROP_VALUE:
+ sysprof_cell_renderer_progress_set_value (cellprogress,
+ g_value_get_int (value));
+ break;
+ case PROP_TEXT:
+ sysprof_cell_renderer_progress_set_text (cellprogress,
+ g_value_get_string (value));
+ break;
+ case PROP_PULSE:
+ sysprof_cell_renderer_progress_set_pulse (cellprogress,
+ g_value_get_int (value));
+ break;
+ case PROP_TEXT_XALIGN:
+ priv->text_xalign = g_value_get_float (value);
+ break;
+ case PROP_TEXT_YALIGN:
+ priv->text_yalign = g_value_get_float (value);
+ break;
+ case PROP_ORIENTATION:
+ if (priv->orientation != g_value_get_enum (value))
+ {
+ priv->orientation = g_value_get_enum (value);
+ g_object_notify_by_pspec (object, pspec);
+ }
+ break;
+ case PROP_INVERTED:
+ if (priv->inverted != g_value_get_boolean (value))
+ {
+ priv->inverted = g_value_get_boolean (value);
+ g_object_notify_by_pspec (object, pspec);
+ }
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+ }
+}
+
+static void
+compute_dimensions (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ const char *text,
+ int *width,
+ int *height)
+{
+ PangoRectangle logical_rect;
+ PangoLayout *layout;
+ int xpad, ypad;
+
+ layout = gtk_widget_create_pango_layout (widget, text);
+ pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+
+ if (width)
+ *width = logical_rect.width + xpad * 2;
+
+ if (height)
+ *height = logical_rect.height + ypad * 2;
+
+ g_object_unref (layout);
+}
+
+static void
+sysprof_cell_renderer_progress_get_preferred_width (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ int *minimum,
+ int *natural)
+{
+ SysprofCellRendererProgress *self = SYSPROF_CELL_RENDERER_PROGRESS (cell);
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private (self);
+ int w, h;
+ int size;
+
+ if (priv->min_w < 0)
+ {
+ char *text = g_strdup_printf (C_("progress bar label", "%d %%"), 100);
+ compute_dimensions (cell, widget, text,
+ &priv->min_w,
+ &priv->min_h);
+ g_free (text);
+ }
+
+ compute_dimensions (cell, widget, priv->label, &w, &h);
+
+ size = MAX (priv->min_w, w);
+
+ if (minimum != NULL)
+ *minimum = size;
+ if (natural != NULL)
+ *natural = size;
+}
+
+static void
+sysprof_cell_renderer_progress_get_preferred_height (GtkCellRenderer *cell,
+ GtkWidget *widget,
+ int *minimum,
+ int *natural)
+{
+ SysprofCellRendererProgress *self = SYSPROF_CELL_RENDERER_PROGRESS (cell);
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private (self);
+ int w, h;
+ int size;
+
+ if (priv->min_w < 0)
+ {
+ char *text = g_strdup_printf (C_("progress bar label", "%d %%"), 100);
+ compute_dimensions (cell, widget, text,
+ &priv->min_w,
+ &priv->min_h);
+ g_free (text);
+ }
+
+ compute_dimensions (cell, widget, priv->label, &w, &h);
+
+ size = MIN (priv->min_h, h);
+
+ if (minimum != NULL)
+ *minimum = size;
+ if (natural != NULL)
+ *natural = size;
+}
+
+static inline int
+get_bar_size (int pulse,
+ int value,
+ int full_size)
+{
+ int bar_size;
+
+ if (pulse < 0)
+ bar_size = full_size * MAX (0, value) / 100;
+ else if (pulse == 0)
+ bar_size = 0;
+ else if (pulse == G_MAXINT)
+ bar_size = full_size;
+ else
+ bar_size = MAX (2, full_size / 5);
+
+ return bar_size;
+}
+
+static inline int
+get_bar_position (int start,
+ int full_size,
+ int bar_size,
+ int pulse,
+ int offset,
+ gboolean is_rtl)
+{
+ int position;
+
+ if (pulse < 0 || pulse == 0 || pulse == G_MAXINT)
+ {
+ position = is_rtl ? (start + full_size - bar_size) : start;
+ }
+ else
+ {
+ position = (is_rtl ? offset + 12 : offset) % 24;
+ if (position > 12)
+ position = 24 - position;
+ position = start + full_size * position / 15;
+ }
+
+ return position;
+}
+
+static void
+sysprof_cell_renderer_progress_snapshot (GtkCellRenderer *cell,
+ GtkSnapshot *snapshot,
+ GtkWidget *widget,
+ const GdkRectangle *background_area,
+ const GdkRectangle *cell_area,
+ GtkCellRendererState flags)
+{
+ SysprofCellRendererProgress *cellprogress = SYSPROF_CELL_RENDERER_PROGRESS (cell);
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+ GtkStyleContext *context;
+ GtkBorder padding;
+ PangoLayout *layout;
+ PangoRectangle logical_rect;
+ int x, y, w, h, x_pos, y_pos, bar_position, bar_size, start, full_size;
+ int xpad, ypad;
+ GdkRectangle clip;
+ gboolean is_rtl;
+
+ context = gtk_widget_get_style_context (widget);
+ is_rtl = gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL;
+
+ gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+ x = cell_area->x + xpad;
+ y = cell_area->y + ypad;
+ w = cell_area->width - xpad * 2;
+ h = cell_area->height - ypad * 2;
+
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, "trough");
+
+ gtk_snapshot_render_background (snapshot, context, x, y, w, h);
+ gtk_snapshot_render_frame (snapshot, context, x, y, w, h);
+
+ gtk_style_context_get_padding (context, &padding);
+
+ x += padding.left;
+ y += padding.top;
+ w -= padding.left + padding.right;
+ h -= padding.top + padding.bottom;
+
+ gtk_style_context_restore (context);
+
+ if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ clip.y = y;
+ clip.height = h;
+
+ start = x;
+ full_size = w;
+
+ bar_size = get_bar_size (priv->pulse, priv->value, full_size);
+
+ if (!priv->inverted)
+ bar_position = get_bar_position (start, full_size, bar_size,
+ priv->pulse, priv->offset, is_rtl);
+ else
+ bar_position = get_bar_position (start, full_size, bar_size,
+ priv->pulse, priv->offset, !is_rtl);
+
+ clip.width = bar_size;
+ clip.x = bar_position;
+ }
+ else
+ {
+ clip.x = x;
+ clip.width = w;
+
+ start = y;
+ full_size = h;
+
+ bar_size = get_bar_size (priv->pulse, priv->value, full_size);
+
+ if (priv->inverted)
+ bar_position = get_bar_position (start, full_size, bar_size,
+ priv->pulse, priv->offset, TRUE);
+ else
+ bar_position = get_bar_position (start, full_size, bar_size,
+ priv->pulse, priv->offset, FALSE);
+
+ clip.height = bar_size;
+ clip.y = bar_position;
+ }
+
+ if (bar_size > 0)
+ {
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, "progressbar");
+
+ gtk_snapshot_render_background (snapshot, context, clip.x, clip.y, clip.width, clip.height);
+ gtk_snapshot_render_frame (snapshot, context, clip.x, clip.y, clip.width, clip.height);
+
+ gtk_style_context_restore (context);
+ }
+
+ if (priv->label)
+ {
+ float text_xalign;
+
+ layout = gtk_widget_create_pango_layout (widget, priv->label);
+ pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+
+ if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR)
+ text_xalign = 1.0 - priv->text_xalign;
+ else
+ text_xalign = priv->text_xalign;
+
+ x_pos = x + padding.left + text_xalign *
+ (w - padding.left - padding.right - logical_rect.width);
+
+ y_pos = y + padding.top + priv->text_yalign *
+ (h - padding.top - padding.bottom - logical_rect.height);
+
+ gtk_snapshot_push_clip (snapshot,
+ &GRAPHENE_RECT_INIT(
+ clip.x, clip.y,
+ clip.width, clip.height
+ ));
+
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, "progressbar");
+
+ gtk_snapshot_render_layout (snapshot, context,
+ x_pos, y_pos,
+ layout);
+
+ gtk_style_context_restore (context);
+ gtk_snapshot_pop (snapshot);
+
+ gtk_style_context_save (context);
+ gtk_style_context_add_class (context, "trough");
+
+ if (bar_position > start)
+ {
+ if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ clip.x = x;
+ clip.width = bar_position - x;
+ }
+ else
+ {
+ clip.y = y;
+ clip.height = bar_position - y;
+ }
+
+ gtk_snapshot_push_clip (snapshot,
+ &GRAPHENE_RECT_INIT(
+ clip.x, clip.y,
+ clip.width, clip.height
+ ));
+
+ gtk_snapshot_render_layout (snapshot, context,
+ x_pos, y_pos,
+ layout);
+
+ gtk_snapshot_pop (snapshot);
+ }
+
+ if (bar_position + bar_size < start + full_size)
+ {
+ if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ clip.x = bar_position + bar_size;
+ clip.width = x + w - (bar_position + bar_size);
+ }
+ else
+ {
+ clip.y = bar_position + bar_size;
+ clip.height = y + h - (bar_position + bar_size);
+ }
+
+ gtk_snapshot_push_clip (snapshot,
+ &GRAPHENE_RECT_INIT(
+ clip.x, clip.y,
+ clip.width, clip.height
+ ));
+
+ gtk_snapshot_render_layout (snapshot, context,
+ x_pos, y_pos,
+ layout);
+
+ gtk_snapshot_pop (snapshot);
+ }
+
+ gtk_style_context_restore (context);
+ g_object_unref (layout);
+ }
+}
+
+static void
+sysprof_cell_renderer_progress_class_init (SysprofCellRendererProgressClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
+
+ object_class->finalize = sysprof_cell_renderer_progress_finalize;
+ object_class->get_property = sysprof_cell_renderer_progress_get_property;
+ object_class->set_property = sysprof_cell_renderer_progress_set_property;
+
+ cell_class->get_preferred_width = sysprof_cell_renderer_progress_get_preferred_width;
+ cell_class->get_preferred_height = sysprof_cell_renderer_progress_get_preferred_height;
+ cell_class->snapshot = sysprof_cell_renderer_progress_snapshot;
+
+ /**
+ * SysprofCellRendererProgress:value:
+ *
+ * The "value" property determines the percentage to which the
+ * progress bar will be "filled in".
+ **/
+ g_object_class_install_property (object_class,
+ PROP_VALUE,
+ g_param_spec_int ("value",
+ "Value",
+ "Value of the progress bar",
+ 0, 100, 0,
+ G_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
+
+ /**
+ * SysprofCellRendererProgress:text:
+ *
+ * The "text" property determines the label which will be drawn
+ * over the progress bar. Setting this property to %NULL causes the default
+ * label to be displayed. Setting this property to an empty string causes
+ * no label to be displayed.
+ **/
+ g_object_class_install_property (object_class,
+ PROP_TEXT,
+ g_param_spec_string ("text",
+ "Text",
+ "Text on the progress bar",
+ NULL,
+ G_PARAM_READWRITE));
+
+ /**
+ * SysprofCellRendererProgress:pulse:
+ *
+ * Setting this to a non-negative value causes the cell renderer to
+ * enter "activity mode", where a block bounces back and forth to
+ * indicate that some progress is made, without specifying exactly how
+ * much.
+ *
+ * Each increment of the property causes the block to move by a little
+ * bit.
+ *
+ * To indicate that the activity has not started yet, set the property
+ * to zero. To indicate completion, set the property to %G_MAXINT.
+ */
+ g_object_class_install_property (object_class,
+ PROP_PULSE,
+ g_param_spec_int ("pulse",
+ "Pulse",
+ "Set this to positive values to indicate that some
progress is made, but you don’t know how much.",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
+
+ /**
+ * SysprofCellRendererProgress:text-xalign:
+ *
+ * The "text-xalign" property controls the horizontal alignment of the
+ * text in the progress bar. Valid values range from 0 (left) to 1
+ * (right). Reserved for RTL layouts.
+ */
+ g_object_class_install_property (object_class,
+ PROP_TEXT_XALIGN,
+ g_param_spec_float ("text-xalign",
+ "Text x alignment",
+ "The horizontal text alignment, from 0 (left) to 1
(right). Reversed for RTL layouts.",
+ 0.0, 1.0, 0.5,
+ G_PARAM_READWRITE));
+
+ /**
+ * SysprofCellRendererProgress:text-yalign:
+ *
+ * The "text-yalign" property controls the vertical alignment of the
+ * text in the progress bar. Valid values range from 0 (top) to 1
+ * (bottom).
+ */
+ g_object_class_install_property (object_class,
+ PROP_TEXT_YALIGN,
+ g_param_spec_float ("text-yalign",
+ "Text y alignment",
+ "The vertical text alignment, from 0 (top) to 1
(bottom).",
+ 0.0, 1.0, 0.5,
+ G_PARAM_READWRITE));
+
+ g_object_class_override_property (object_class,
+ PROP_ORIENTATION,
+ "orientation");
+
+ g_object_class_install_property (object_class,
+ PROP_INVERTED,
+ g_param_spec_boolean ("inverted",
+ "Inverted",
+ "Invert the direction in which the progress bar
grows",
+ FALSE,
+ G_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
+}
+
+static void
+sysprof_cell_renderer_progress_init (SysprofCellRendererProgress *cellprogress)
+{
+ SysprofCellRendererProgressPrivate *priv = sysprof_cell_renderer_progress_get_instance_private
(cellprogress);
+
+ priv->value = 0;
+ priv->text = NULL;
+ priv->label = NULL;
+ priv->min_w = -1;
+ priv->min_h = -1;
+ priv->pulse = -1;
+ priv->offset = 0;
+
+ priv->text_xalign = 0.5;
+ priv->text_yalign = 0.5;
+
+ priv->orientation = GTK_ORIENTATION_HORIZONTAL,
+ priv->inverted = FALSE;
+}
+
+/**
+ * sysprof_cell_renderer_progress_new:
+ *
+ * Creates a new `SysprofCellRendererProgress`.
+ *
+ * Returns: the new cell renderer
+ **/
+GtkCellRenderer*
+sysprof_cell_renderer_progress_new (void)
+{
+ return g_object_new (SYSPROF_TYPE_CELL_RENDERER_PROGRESS, NULL);
+}
diff --git a/src/libsysprof-ui/sysprof-cell-renderer-progress.h
b/src/libsysprof-ui/sysprof-cell-renderer-progress.h
new file mode 100644
index 00000000..7a006072
--- /dev/null
+++ b/src/libsysprof-ui/sysprof-cell-renderer-progress.h
@@ -0,0 +1,53 @@
+/* gtkcellrendererprogress.h
+ * Copyright (C) 2002 Naba Kumar <kh_naba users sourceforge net>
+ * modified by Jörgen Scheibengruber <mfcn gmx de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2004. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#pragma once
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_CELL_RENDERER_PROGRESS (sysprof_cell_renderer_progress_get_type ())
+#define SYSPROF_CELL_RENDERER_PROGRESS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),
SYSPROF_TYPE_CELL_RENDERER_PROGRESS, SysprofCellRendererProgress))
+#define SYSPROF_IS_CELL_RENDERER_PROGRESS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),
SYSPROF_TYPE_CELL_RENDERER_PROGRESS))
+
+typedef struct _SysprofCellRendererProgress SysprofCellRendererProgress;
+typedef struct _SysprofCellRendererProgressClass SysprofCellRendererProgressClass;
+typedef struct _SysprofCellRendererProgressPrivate SysprofCellRendererProgressPrivate;
+
+struct _SysprofCellRendererProgress
+{
+ GtkCellRenderer parent_instance;
+};
+
+struct _SysprofCellRendererProgressClass
+{
+ GtkCellRendererClass parent_class;
+};
+
+GType sysprof_cell_renderer_progress_get_type (void) G_GNUC_CONST;
+GtkCellRenderer *sysprof_cell_renderer_progress_new (void);
+
+G_END_DECLS
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