forked from AuroraMiddleware/gtk
1273 lines
39 KiB
C
1273 lines
39 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/*
|
|
* Modified by the GTK+ Team and others 1997-2000. 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 <string.h>
|
|
|
|
#include "gtkprogressbar.h"
|
|
#include "gtkorientable.h"
|
|
#include "gtkprivate.h"
|
|
#include "gtkintl.h"
|
|
|
|
|
|
#define MIN_HORIZONTAL_BAR_WIDTH 150
|
|
#define MIN_HORIZONTAL_BAR_HEIGHT 20
|
|
#define MIN_VERTICAL_BAR_WIDTH 22
|
|
#define MIN_VERTICAL_BAR_HEIGHT 80
|
|
|
|
|
|
struct _GtkProgressBarPrivate
|
|
{
|
|
GtkOrientation orientation;
|
|
|
|
gchar *text;
|
|
|
|
gdouble fraction;
|
|
gdouble pulse_fraction;
|
|
|
|
guint blocks;
|
|
gint in_block;
|
|
|
|
gint activity_pos;
|
|
guint activity_blocks;
|
|
guint activity_step;
|
|
|
|
guint activity_dir : 1;
|
|
guint activity_mode : 1;
|
|
guint ellipsize : 3;
|
|
guint show_text : 1;
|
|
guint inverted : 1;
|
|
};
|
|
|
|
enum {
|
|
PROP_0,
|
|
PROP_FRACTION,
|
|
PROP_PULSE_STEP,
|
|
PROP_ORIENTATION,
|
|
PROP_INVERTED,
|
|
PROP_TEXT,
|
|
PROP_SHOW_TEXT,
|
|
PROP_ELLIPSIZE
|
|
};
|
|
|
|
static void gtk_progress_bar_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gtk_progress_bar_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
static gboolean gtk_progress_bar_expose (GtkWidget *widget,
|
|
GdkEventExpose *event);
|
|
static void gtk_progress_bar_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition);
|
|
static void gtk_progress_bar_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation);
|
|
static void gtk_progress_bar_real_update (GtkProgressBar *progress);
|
|
static void gtk_progress_bar_paint (GtkProgressBar *progress);
|
|
static void gtk_progress_bar_act_mode_enter (GtkProgressBar *progress);
|
|
static void gtk_progress_bar_realize (GtkWidget *widget);
|
|
static void gtk_progress_bar_finalize (GObject *object);
|
|
static void gtk_progress_bar_set_orientation (GtkProgressBar *progress,
|
|
GtkOrientation orientation);
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GtkProgressBar, gtk_progress_bar, GTK_TYPE_WIDGET,
|
|
G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL))
|
|
|
|
static void
|
|
gtk_progress_bar_class_init (GtkProgressBarClass *class)
|
|
{
|
|
GObjectClass *gobject_class;
|
|
GtkWidgetClass *widget_class;
|
|
|
|
gobject_class = G_OBJECT_CLASS (class);
|
|
widget_class = (GtkWidgetClass *) class;
|
|
|
|
gobject_class->set_property = gtk_progress_bar_set_property;
|
|
gobject_class->get_property = gtk_progress_bar_get_property;
|
|
gobject_class->finalize = gtk_progress_bar_finalize;
|
|
|
|
widget_class->realize = gtk_progress_bar_realize;
|
|
widget_class->expose_event = gtk_progress_bar_expose;
|
|
widget_class->size_request = gtk_progress_bar_size_request;
|
|
widget_class->size_allocate = gtk_progress_bar_size_allocate;
|
|
|
|
g_object_class_override_property (gobject_class,
|
|
PROP_ORIENTATION,
|
|
"orientation");
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_INVERTED,
|
|
g_param_spec_boolean ("inverted",
|
|
P_("Inverted"),
|
|
P_("Invert the direction in which the progress bar grows"),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_FRACTION,
|
|
g_param_spec_double ("fraction",
|
|
P_("Fraction"),
|
|
P_("The fraction of total work that has been completed"),
|
|
0.0, 1.0, 0.0,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_PULSE_STEP,
|
|
g_param_spec_double ("pulse-step",
|
|
P_("Pulse Step"),
|
|
P_("The fraction of total progress to move the bouncing block when pulsed"),
|
|
0.0, 1.0, 0.1,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_TEXT,
|
|
g_param_spec_string ("text",
|
|
P_("Text"),
|
|
P_("Text to be displayed in the progress bar"),
|
|
NULL,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_SHOW_TEXT,
|
|
g_param_spec_boolean ("show-text",
|
|
P_("Show text"),
|
|
P_("Whether the progress is shown as text."),
|
|
FALSE,
|
|
GTK_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkProgressBar:ellipsize:
|
|
*
|
|
* The preferred place to ellipsize the string, if the progressbar does
|
|
* not have enough room to display the entire string, specified as a
|
|
* #PangoEllisizeMode.
|
|
*
|
|
* Note that setting this property to a value other than
|
|
* %PANGO_ELLIPSIZE_NONE has the side-effect that the progressbar requests
|
|
* only enough space to display the ellipsis "...". Another means to set a
|
|
* progressbar's width is gtk_widget_set_size_request().
|
|
*
|
|
* Since: 2.6
|
|
*/
|
|
g_object_class_install_property (gobject_class,
|
|
PROP_ELLIPSIZE,
|
|
g_param_spec_enum ("ellipsize",
|
|
P_("Ellipsize"),
|
|
P_("The preferred place to ellipsize the string, if the progress bar "
|
|
"does not have enough room to display the entire string, if at all."),
|
|
PANGO_TYPE_ELLIPSIZE_MODE,
|
|
PANGO_ELLIPSIZE_NONE,
|
|
GTK_PARAM_READWRITE));
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("xspacing",
|
|
P_("X spacing"),
|
|
P_("Extra spacing applied to the width of a progress bar."),
|
|
0, G_MAXINT, 7,
|
|
G_PARAM_READWRITE));
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("yspacing",
|
|
P_("Y spacing"),
|
|
P_("Extra spacing applied to the height of a progress bar."),
|
|
0, G_MAXINT, 7,
|
|
G_PARAM_READWRITE));
|
|
|
|
/**
|
|
* GtkProgressBar:min-horizontal-bar-width:
|
|
*
|
|
* The minimum horizontal width of the progress bar.
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("min-horizontal-bar-width",
|
|
P_("Minimum horizontal bar width"),
|
|
P_("The minimum horizontal width of the progress bar"),
|
|
1, G_MAXINT, MIN_HORIZONTAL_BAR_WIDTH,
|
|
G_PARAM_READWRITE));
|
|
/**
|
|
* GtkProgressBar:min-horizontal-bar-height:
|
|
*
|
|
* Minimum horizontal height of the progress bar.
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("min-horizontal-bar-height",
|
|
P_("Minimum horizontal bar height"),
|
|
P_("Minimum horizontal height of the progress bar"),
|
|
1, G_MAXINT, MIN_HORIZONTAL_BAR_HEIGHT,
|
|
G_PARAM_READWRITE));
|
|
/**
|
|
* GtkProgressBar:min-vertical-bar-width:
|
|
*
|
|
* The minimum vertical width of the progress bar.
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("min-vertical-bar-width",
|
|
P_("Minimum vertical bar width"),
|
|
P_("The minimum vertical width of the progress bar"),
|
|
1, G_MAXINT, MIN_VERTICAL_BAR_WIDTH,
|
|
G_PARAM_READWRITE));
|
|
/**
|
|
* GtkProgressBar:min-vertical-bar-height:
|
|
*
|
|
* The minimum vertical height of the progress bar.
|
|
*
|
|
* Since: 2.14
|
|
*/
|
|
gtk_widget_class_install_style_property (widget_class,
|
|
g_param_spec_int ("min-vertical-bar-height",
|
|
P_("Minimum vertical bar height"),
|
|
P_("The minimum vertical height of the progress bar"),
|
|
1, G_MAXINT, MIN_VERTICAL_BAR_HEIGHT,
|
|
G_PARAM_READWRITE));
|
|
|
|
g_type_class_add_private (class, sizeof (GtkProgressBarPrivate));
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_init (GtkProgressBar *pbar)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
|
|
pbar->priv = G_TYPE_INSTANCE_GET_PRIVATE (pbar,
|
|
GTK_TYPE_PROGRESS_BAR,
|
|
GtkProgressBarPrivate);
|
|
priv = pbar->priv;
|
|
|
|
priv->blocks = 10;
|
|
priv->in_block = -1;
|
|
priv->orientation = GTK_ORIENTATION_HORIZONTAL;
|
|
priv->inverted = FALSE;
|
|
priv->pulse_fraction = 0.1;
|
|
priv->activity_pos = 0;
|
|
priv->activity_dir = 1;
|
|
priv->activity_step = 3;
|
|
priv->activity_blocks = 5;
|
|
priv->ellipsize = PANGO_ELLIPSIZE_NONE;
|
|
priv->show_text = FALSE;
|
|
|
|
priv->text = NULL;
|
|
priv->fraction = 0.0;
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_realize (GtkWidget *widget)
|
|
{
|
|
GtkAllocation allocation;
|
|
GdkWindow *window;
|
|
GdkWindowAttr attributes;
|
|
gint attributes_mask;
|
|
|
|
gtk_widget_set_realized (widget, TRUE);
|
|
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
attributes.window_type = GDK_WINDOW_CHILD;
|
|
attributes.x = allocation.x;
|
|
attributes.y = allocation.y;
|
|
attributes.width = allocation.width;
|
|
attributes.height = allocation.height;
|
|
attributes.wclass = GDK_INPUT_OUTPUT;
|
|
attributes.visual = gtk_widget_get_visual (widget);
|
|
attributes.event_mask = gtk_widget_get_events (widget);
|
|
attributes.event_mask |= GDK_EXPOSURE_MASK;
|
|
|
|
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
|
|
window = gdk_window_new (gtk_widget_get_parent_window (widget),
|
|
&attributes, attributes_mask);
|
|
gtk_widget_set_window (widget, window);
|
|
gdk_window_set_user_data (window, widget);
|
|
|
|
gtk_widget_style_attach (widget);
|
|
gtk_style_set_background (gtk_widget_get_style (widget),
|
|
window, GTK_STATE_ACTIVE);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkProgressBar *pbar;
|
|
|
|
pbar = GTK_PROGRESS_BAR (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ORIENTATION:
|
|
gtk_progress_bar_set_orientation (pbar, g_value_get_enum (value));
|
|
break;
|
|
case PROP_INVERTED:
|
|
gtk_progress_bar_set_inverted (pbar, g_value_get_boolean (value));
|
|
break;
|
|
case PROP_FRACTION:
|
|
gtk_progress_bar_set_fraction (pbar, g_value_get_double (value));
|
|
break;
|
|
case PROP_PULSE_STEP:
|
|
gtk_progress_bar_set_pulse_step (pbar, g_value_get_double (value));
|
|
break;
|
|
case PROP_TEXT:
|
|
gtk_progress_bar_set_text (pbar, g_value_get_string (value));
|
|
break;
|
|
case PROP_SHOW_TEXT:
|
|
gtk_progress_bar_set_show_text (pbar, g_value_get_boolean (value));
|
|
break;
|
|
case PROP_ELLIPSIZE:
|
|
gtk_progress_bar_set_ellipsize (pbar, g_value_get_enum (value));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkProgressBar *pbar = GTK_PROGRESS_BAR (object);
|
|
GtkProgressBarPrivate* priv = pbar->priv;
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_ORIENTATION:
|
|
g_value_set_enum (value, priv->orientation);
|
|
break;
|
|
case PROP_INVERTED:
|
|
g_value_set_boolean (value, priv->inverted);
|
|
break;
|
|
case PROP_FRACTION:
|
|
g_value_set_double (value, priv->fraction);
|
|
break;
|
|
case PROP_PULSE_STEP:
|
|
g_value_set_double (value, priv->pulse_fraction);
|
|
break;
|
|
case PROP_TEXT:
|
|
g_value_set_string (value, priv->text);
|
|
break;
|
|
case PROP_SHOW_TEXT:
|
|
g_value_set_boolean (value, priv->show_text);
|
|
break;
|
|
case PROP_ELLIPSIZE:
|
|
g_value_set_enum (value, priv->ellipsize);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_progress_bar_new (void)
|
|
{
|
|
GtkWidget *pbar;
|
|
|
|
pbar = g_object_new (GTK_TYPE_PROGRESS_BAR, NULL);
|
|
|
|
return pbar;
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_real_update (GtkProgressBar *pbar)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
GtkWidget *widget;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
priv = pbar->priv;
|
|
widget = GTK_WIDGET (pbar);
|
|
|
|
if (priv->activity_mode)
|
|
{
|
|
GtkAllocation allocation;
|
|
GtkStyle *style;
|
|
guint size;
|
|
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
style = gtk_widget_get_style (widget);
|
|
|
|
/* advance the block */
|
|
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
/* Update our activity step. */
|
|
priv->activity_step = allocation.width * priv->pulse_fraction;
|
|
|
|
size = MAX (2, allocation.width / priv->activity_blocks);
|
|
|
|
if (priv->activity_dir == 0)
|
|
{
|
|
priv->activity_pos += priv->activity_step;
|
|
if (priv->activity_pos + size >= allocation.width - style->xthickness)
|
|
{
|
|
priv->activity_pos = allocation.width - style->xthickness - size;
|
|
priv->activity_dir = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
priv->activity_pos -= priv->activity_step;
|
|
if (priv->activity_pos <= style->xthickness)
|
|
{
|
|
priv->activity_pos = style->xthickness;
|
|
priv->activity_dir = 0;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Update our activity step. */
|
|
priv->activity_step = allocation.height * priv->pulse_fraction;
|
|
|
|
size = MAX (2, allocation.height / priv->activity_blocks);
|
|
|
|
if (priv->activity_dir == 0)
|
|
{
|
|
priv->activity_pos += priv->activity_step;
|
|
if (priv->activity_pos + size >= allocation.height - style->ythickness)
|
|
{
|
|
priv->activity_pos = allocation.height - style->ythickness - size;
|
|
priv->activity_dir = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
priv->activity_pos -= priv->activity_step;
|
|
if (priv->activity_pos <= style->ythickness)
|
|
{
|
|
priv->activity_pos = style->ythickness;
|
|
priv->activity_dir = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
gtk_widget_queue_draw (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_finalize (GObject *object)
|
|
{
|
|
GtkProgressBar *pbar = GTK_PROGRESS_BAR (object);
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
|
|
g_free (priv->text);
|
|
|
|
G_OBJECT_CLASS (gtk_progress_bar_parent_class)->finalize (object);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_progress_bar_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkProgressBar *pbar = GTK_PROGRESS_BAR (widget);
|
|
|
|
if (gtk_widget_is_drawable (widget))
|
|
gtk_progress_bar_paint (pbar);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gchar *
|
|
get_current_text (GtkProgressBar *pbar)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
|
|
if (priv->text)
|
|
return g_strdup (priv->text);
|
|
else
|
|
return g_strdup_printf ("%.0f %%", priv->fraction * 100.0);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition)
|
|
{
|
|
GtkProgressBar *pbar;
|
|
GtkProgressBarPrivate *priv;
|
|
GtkStyle *style;
|
|
gchar *buf;
|
|
PangoRectangle logical_rect;
|
|
PangoLayout *layout;
|
|
gint width, height;
|
|
gint xspacing, yspacing;
|
|
gint min_width, min_height;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (widget));
|
|
g_return_if_fail (requisition != NULL);
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
gtk_widget_style_get (widget,
|
|
"xspacing", &xspacing,
|
|
"yspacing", &yspacing,
|
|
NULL);
|
|
|
|
pbar = GTK_PROGRESS_BAR (widget);
|
|
priv = pbar->priv;
|
|
|
|
width = 2 * style->xthickness + xspacing;
|
|
height = 2 * style->ythickness + yspacing;
|
|
|
|
if (priv->show_text)
|
|
{
|
|
buf = get_current_text (pbar);
|
|
layout = gtk_widget_create_pango_layout (widget, buf);
|
|
|
|
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
|
|
|
|
if (priv->ellipsize)
|
|
{
|
|
PangoContext *context;
|
|
PangoFontMetrics *metrics;
|
|
gint char_width;
|
|
|
|
/* The minimum size for ellipsized text is ~ 3 chars */
|
|
context = pango_layout_get_context (layout);
|
|
metrics = pango_context_get_metrics (context, style->font_desc, pango_context_get_language (context));
|
|
|
|
char_width = pango_font_metrics_get_approximate_char_width (metrics);
|
|
pango_font_metrics_unref (metrics);
|
|
|
|
width += PANGO_PIXELS (char_width) * 3;
|
|
}
|
|
else
|
|
width += logical_rect.width;
|
|
|
|
height += logical_rect.height;
|
|
|
|
g_object_unref (layout);
|
|
g_free (buf);
|
|
}
|
|
|
|
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
gtk_widget_style_get (widget,
|
|
"min-horizontal-bar-width", &min_width,
|
|
"min-horizontal-bar-height", &min_height,
|
|
NULL);
|
|
else
|
|
gtk_widget_style_get (widget,
|
|
"min-vertical-bar-width", &min_width,
|
|
"min-vertical-bar-height", &min_height,
|
|
NULL);
|
|
|
|
requisition->width = MAX (min_width, width);
|
|
requisition->height = MAX (min_height, height);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
gtk_widget_set_allocation (widget, allocation);
|
|
|
|
if (gtk_widget_get_realized (widget))
|
|
gdk_window_move_resize (gtk_widget_get_window (widget),
|
|
allocation->x, allocation->y,
|
|
allocation->width, allocation->height);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_act_mode_enter (GtkProgressBar *pbar)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
GtkAllocation allocation;
|
|
GtkStyle *style;
|
|
GtkWidget *widget = GTK_WIDGET (pbar);
|
|
GtkOrientation orientation;
|
|
gboolean inverted;
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
|
|
orientation = priv->orientation;
|
|
inverted = priv->inverted;
|
|
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
|
|
{
|
|
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
inverted = !inverted;
|
|
}
|
|
|
|
/* calculate start pos */
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
if (!inverted)
|
|
{
|
|
priv->activity_pos = style->xthickness;
|
|
priv->activity_dir = 0;
|
|
}
|
|
else
|
|
{
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
priv->activity_pos = allocation.width - style->xthickness -
|
|
(allocation.height - style->ythickness * 2);
|
|
priv->activity_dir = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!inverted)
|
|
{
|
|
priv->activity_pos = style->ythickness;
|
|
priv->activity_dir = 0;
|
|
}
|
|
else
|
|
{
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
priv->activity_pos = allocation.height - style->ythickness -
|
|
(allocation.width - style->xthickness * 2);
|
|
priv->activity_dir = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_get_activity (GtkProgressBar *pbar,
|
|
GtkOrientation orientation,
|
|
gint *offset,
|
|
gint *amount)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
GtkAllocation allocation;
|
|
GtkWidget *widget = GTK_WIDGET (pbar);
|
|
|
|
*offset = priv->activity_pos;
|
|
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
*amount = MAX (2, allocation.width / priv->activity_blocks);
|
|
else
|
|
*amount = MAX (2, allocation.height / priv->activity_blocks);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_paint_activity (GtkProgressBar *pbar,
|
|
GtkOrientation orientation,
|
|
gboolean inverted)
|
|
{
|
|
GtkAllocation allocation;
|
|
GtkStyle *style;
|
|
GtkWidget *widget = GTK_WIDGET (pbar);
|
|
GdkRectangle area;
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
gtk_progress_bar_get_activity (pbar, orientation, &area.x, &area.width);
|
|
area.y = style->ythickness;
|
|
area.height = allocation.height - 2 * style->ythickness;
|
|
}
|
|
else
|
|
{
|
|
gtk_progress_bar_get_activity (pbar, orientation, &area.y, &area.height);
|
|
area.x = style->xthickness;
|
|
area.width = allocation.width - 2 * style->xthickness;
|
|
}
|
|
|
|
gtk_paint_box (style,
|
|
gtk_widget_get_window (widget),
|
|
GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
|
|
&area, widget, "bar",
|
|
area.x, area.y, area.width, area.height);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_paint_continuous (GtkProgressBar *pbar,
|
|
gint amount,
|
|
GtkOrientation orientation,
|
|
gboolean inverted)
|
|
{
|
|
GtkAllocation allocation;
|
|
GtkStyle *style;
|
|
GtkWidget *widget = GTK_WIDGET (pbar);
|
|
GdkRectangle area;
|
|
|
|
if (amount <= 0)
|
|
return;
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
area.width = amount;
|
|
area.height = allocation.height - style->ythickness * 2;
|
|
area.y = style->ythickness;
|
|
|
|
area.x = style->xthickness;
|
|
if (inverted)
|
|
area.x = allocation.width - amount - area.x;
|
|
}
|
|
else
|
|
{
|
|
area.width = allocation.width - style->xthickness * 2;
|
|
area.height = amount;
|
|
area.x = style->xthickness;
|
|
|
|
area.y = style->ythickness;
|
|
if (inverted)
|
|
area.y = allocation.height - amount - area.y;
|
|
}
|
|
|
|
gtk_paint_box (style,
|
|
gtk_widget_get_window (widget),
|
|
GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
|
|
&area, widget, "bar",
|
|
area.x, area.y, area.width, area.height);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_paint_text (GtkProgressBar *pbar,
|
|
gint offset,
|
|
gint amount,
|
|
GtkOrientation orientation,
|
|
gboolean inverted)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
GtkAllocation allocation;
|
|
GtkStyle *style;
|
|
GtkWidget *widget = GTK_WIDGET (pbar);
|
|
gint x;
|
|
gint y;
|
|
gchar *buf;
|
|
GdkRectangle rect;
|
|
PangoLayout *layout;
|
|
PangoRectangle logical_rect;
|
|
GdkRectangle prelight_clip, start_clip, end_clip;
|
|
gfloat text_xalign = 0.5;
|
|
gfloat text_yalign = 0.5;
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR)
|
|
text_xalign = 1.0 - text_xalign;
|
|
|
|
buf = get_current_text (pbar);
|
|
|
|
layout = gtk_widget_create_pango_layout (widget, buf);
|
|
pango_layout_set_ellipsize (layout, priv->ellipsize);
|
|
if (priv->ellipsize)
|
|
pango_layout_set_width (layout, allocation.width * PANGO_SCALE);
|
|
|
|
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
|
|
|
|
x = style->xthickness + 1 + text_xalign * (allocation.width - 2 * style->xthickness - 2 - logical_rect.width);
|
|
|
|
y = style->ythickness + 1 + text_yalign * (allocation.height - 2 * style->ythickness - 2 - logical_rect.height);
|
|
|
|
rect.x = style->xthickness;
|
|
rect.y = style->ythickness;
|
|
rect.width = allocation.width - 2 * style->xthickness;
|
|
rect.height = allocation.height - 2 * style->ythickness;
|
|
|
|
prelight_clip = start_clip = end_clip = rect;
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
{
|
|
if (!inverted)
|
|
{
|
|
if (offset != -1)
|
|
prelight_clip.x = offset;
|
|
prelight_clip.width = amount;
|
|
start_clip.width = prelight_clip.x - start_clip.x;
|
|
end_clip.x = start_clip.x + start_clip.width + prelight_clip.width;
|
|
end_clip.width -= prelight_clip.width + start_clip.width;
|
|
}
|
|
else
|
|
{
|
|
if (offset != -1)
|
|
prelight_clip.x = offset;
|
|
else
|
|
prelight_clip.x = rect.x + rect.width - amount;
|
|
prelight_clip.width = amount;
|
|
start_clip.width = prelight_clip.x - start_clip.x;
|
|
end_clip.x = start_clip.x + start_clip.width + prelight_clip.width;
|
|
end_clip.width -= prelight_clip.width + start_clip.width;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!inverted)
|
|
{
|
|
if (offset != -1)
|
|
prelight_clip.y = offset;
|
|
prelight_clip.height = amount;
|
|
start_clip.height = prelight_clip.y - start_clip.y;
|
|
end_clip.y = start_clip.y + start_clip.height + prelight_clip.height;
|
|
end_clip.height -= prelight_clip.height + start_clip.height;
|
|
}
|
|
else
|
|
{
|
|
if (offset != -1)
|
|
prelight_clip.y = offset;
|
|
else
|
|
prelight_clip.y = rect.y + rect.height - amount;
|
|
prelight_clip.height = amount;
|
|
start_clip.height = prelight_clip.y - start_clip.y;
|
|
end_clip.y = start_clip.y + start_clip.height + prelight_clip.height;
|
|
end_clip.height -= prelight_clip.height + start_clip.height;
|
|
}
|
|
}
|
|
|
|
if (start_clip.width > 0 && start_clip.height > 0)
|
|
gtk_paint_layout (style,
|
|
gtk_widget_get_window (widget),
|
|
GTK_STATE_NORMAL,
|
|
FALSE,
|
|
&start_clip,
|
|
widget,
|
|
"progressbar",
|
|
x, y,
|
|
layout);
|
|
|
|
if (end_clip.width > 0 && end_clip.height > 0)
|
|
gtk_paint_layout (style,
|
|
gtk_widget_get_window (widget),
|
|
GTK_STATE_NORMAL,
|
|
FALSE,
|
|
&end_clip,
|
|
widget,
|
|
"progressbar",
|
|
x, y,
|
|
layout);
|
|
|
|
gtk_paint_layout (style,
|
|
gtk_widget_get_window (widget),
|
|
GTK_STATE_PRELIGHT,
|
|
FALSE,
|
|
&prelight_clip,
|
|
widget,
|
|
"progressbar",
|
|
x, y,
|
|
layout);
|
|
|
|
g_object_unref (layout);
|
|
g_free (buf);
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_paint (GtkProgressBar *pbar)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
GtkAllocation allocation;
|
|
GtkWidget *widget = GTK_WIDGET (pbar);
|
|
GtkOrientation orientation;
|
|
gboolean inverted;
|
|
GtkStyle *style;
|
|
|
|
style = gtk_widget_get_style (widget);
|
|
gtk_widget_get_allocation (widget, &allocation);
|
|
|
|
orientation = priv->orientation;
|
|
inverted = priv->inverted;
|
|
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
|
|
{
|
|
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
inverted = !inverted;
|
|
}
|
|
|
|
gtk_paint_box (style,
|
|
gtk_widget_get_window (widget),
|
|
GTK_STATE_NORMAL, GTK_SHADOW_IN,
|
|
NULL, widget, "trough",
|
|
0, 0,
|
|
allocation.width,
|
|
allocation.height);
|
|
|
|
if (priv->activity_mode)
|
|
{
|
|
gtk_progress_bar_paint_activity (pbar, orientation, inverted);
|
|
|
|
if (priv->show_text)
|
|
{
|
|
gint offset;
|
|
gint amount;
|
|
|
|
gtk_progress_bar_get_activity (pbar, orientation, &offset, &amount);
|
|
gtk_progress_bar_paint_text (pbar, offset, amount, orientation, inverted);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
gint amount;
|
|
gint space;
|
|
|
|
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
|
space = allocation.width - 2 * style->xthickness;
|
|
else
|
|
space = allocation.height - 2 * style->ythickness;
|
|
|
|
amount = space * gtk_progress_bar_get_fraction (pbar);
|
|
|
|
gtk_progress_bar_paint_continuous (pbar, amount, orientation, inverted);
|
|
|
|
if (priv->show_text)
|
|
gtk_progress_bar_paint_text (pbar, -1, amount, orientation, inverted);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_set_activity_mode (GtkProgressBar *pbar,
|
|
gboolean activity_mode)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
|
|
activity_mode = !!activity_mode;
|
|
|
|
if (priv->activity_mode != activity_mode)
|
|
{
|
|
priv->activity_mode = activity_mode;
|
|
|
|
if (priv->activity_mode)
|
|
gtk_progress_bar_act_mode_enter (pbar);
|
|
|
|
if (gtk_widget_is_drawable (GTK_WIDGET (pbar)))
|
|
gtk_widget_queue_resize (GTK_WIDGET (pbar));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_set_fraction:
|
|
* @pbar: a #GtkProgressBar
|
|
* @fraction: fraction of the task that's been completed
|
|
*
|
|
* Causes the progress bar to "fill in" the given fraction
|
|
* of the bar. The fraction should be between 0.0 and 1.0,
|
|
* inclusive.
|
|
*
|
|
**/
|
|
void
|
|
gtk_progress_bar_set_fraction (GtkProgressBar *pbar,
|
|
gdouble fraction)
|
|
{
|
|
GtkProgressBarPrivate* priv;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
priv = pbar->priv;
|
|
|
|
priv->fraction = fraction;
|
|
gtk_progress_bar_set_activity_mode (pbar, FALSE);
|
|
gtk_progress_bar_real_update (pbar);
|
|
|
|
g_object_notify (G_OBJECT (pbar), "fraction");
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_pulse:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Indicates that some progress is made, but you don't know how much.
|
|
* Causes the progress bar to enter "activity mode," where a block
|
|
* bounces back and forth. Each call to gtk_progress_bar_pulse()
|
|
* causes the block to move by a little bit (the amount of movement
|
|
* per pulse is determined by gtk_progress_bar_set_pulse_step()).
|
|
**/
|
|
void
|
|
gtk_progress_bar_pulse (GtkProgressBar *pbar)
|
|
{
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
gtk_progress_bar_set_activity_mode (pbar, TRUE);
|
|
gtk_progress_bar_real_update (pbar);
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_set_text:
|
|
* @pbar: a #GtkProgressBar
|
|
* @text: (allow-none): a UTF-8 string, or %NULL
|
|
*
|
|
* Causes the given @text to appear superimposed on the progress bar.
|
|
**/
|
|
void
|
|
gtk_progress_bar_set_text (GtkProgressBar *pbar,
|
|
const gchar *text)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
priv = pbar->priv;
|
|
|
|
g_free (priv->text);
|
|
priv->text = text && *text ? g_strdup (text) : NULL;
|
|
|
|
if (gtk_widget_is_drawable (GTK_WIDGET (pbar)))
|
|
gtk_widget_queue_resize (GTK_WIDGET (pbar));
|
|
|
|
g_object_notify (G_OBJECT (pbar), "text");
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_set_show_text:
|
|
* @pbar: a #GtkProgressBar
|
|
* @show_text: whether to show superimposed text
|
|
*
|
|
* Sets whether the progressbar will show text superimposed
|
|
* over the bar. The shown text is either the value of
|
|
* the #GtkProgressBar::text property or, if that is %NULL,
|
|
* the #GtkProgressBar::fraction value, as a percentage.
|
|
*
|
|
* Since: 3.0
|
|
*/
|
|
void
|
|
gtk_progress_bar_set_show_text (GtkProgressBar *pbar,
|
|
gboolean show_text)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
priv = pbar->priv;
|
|
|
|
show_text = !!show_text;
|
|
|
|
if (priv->show_text != show_text)
|
|
{
|
|
priv->show_text = show_text;
|
|
|
|
if (gtk_widget_is_drawable (GTK_WIDGET (pbar)))
|
|
gtk_widget_queue_resize (GTK_WIDGET (pbar));
|
|
|
|
g_object_notify (G_OBJECT (pbar), "show-text");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_get_show_text:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Gets the value of the #GtkProgressBar::show-text property.
|
|
* See gtk_progress_bar_set_show_text().
|
|
*
|
|
* Returns: %TRUE if text is shown in the progress bar
|
|
*
|
|
* Since: 3.0
|
|
*/
|
|
gboolean
|
|
gtk_progress_bar_get_show_text (GtkProgressBar *pbar)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), FALSE);
|
|
|
|
return pbar->priv->show_text;
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_set_pulse_step:
|
|
* @pbar: a #GtkProgressBar
|
|
* @fraction: fraction between 0.0 and 1.0
|
|
*
|
|
* Sets the fraction of total progress bar length to move the
|
|
* bouncing block for each call to gtk_progress_bar_pulse().
|
|
**/
|
|
void
|
|
gtk_progress_bar_set_pulse_step (GtkProgressBar *pbar,
|
|
gdouble fraction)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
priv = pbar->priv;
|
|
|
|
priv->pulse_fraction = fraction;
|
|
|
|
g_object_notify (G_OBJECT (pbar), "pulse-step");
|
|
}
|
|
|
|
static void
|
|
gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
|
|
GtkOrientation orientation)
|
|
{
|
|
GtkProgressBarPrivate *priv = pbar->priv;
|
|
|
|
if (priv->orientation != orientation)
|
|
{
|
|
priv->orientation = orientation;
|
|
|
|
if (gtk_widget_is_drawable (GTK_WIDGET (pbar)))
|
|
gtk_widget_queue_resize (GTK_WIDGET (pbar));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_set_inverted:
|
|
* @pbar: a #GtkProgressBar
|
|
* @inverted: %TRUE to invert the progress bar
|
|
*
|
|
* Progress bars normally grow from top to bottom or left to right.
|
|
* Inverted progress bars grow in the opposite direction.
|
|
*/
|
|
void
|
|
gtk_progress_bar_set_inverted (GtkProgressBar *pbar,
|
|
gboolean inverted)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
|
|
priv = pbar->priv;
|
|
|
|
if (priv->inverted != inverted)
|
|
{
|
|
priv->inverted = inverted;
|
|
|
|
if (gtk_widget_is_drawable (GTK_WIDGET (pbar)))
|
|
gtk_widget_queue_resize (GTK_WIDGET (pbar));
|
|
|
|
g_object_notify (G_OBJECT (pbar), "inverted");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_get_text:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Retrieves the text displayed superimposed on the progress bar,
|
|
* if any, otherwise %NULL. The return value is a reference
|
|
* to the text, not a copy of it, so will become invalid
|
|
* if you change the text in the progress bar.
|
|
*
|
|
* Return value: text, or %NULL; this string is owned by the widget
|
|
* and should not be modified or freed.
|
|
**/
|
|
G_CONST_RETURN gchar*
|
|
gtk_progress_bar_get_text (GtkProgressBar *pbar)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), NULL);
|
|
|
|
return pbar->priv->text;
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_get_fraction:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Returns the current fraction of the task that's been completed.
|
|
*
|
|
* Return value: a fraction from 0.0 to 1.0
|
|
**/
|
|
gdouble
|
|
gtk_progress_bar_get_fraction (GtkProgressBar *pbar)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), 0);
|
|
|
|
return pbar->priv->fraction;
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_get_pulse_step:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Retrieves the pulse step set with gtk_progress_bar_set_pulse_step()
|
|
*
|
|
* Return value: a fraction from 0.0 to 1.0
|
|
**/
|
|
gdouble
|
|
gtk_progress_bar_get_pulse_step (GtkProgressBar *pbar)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), 0);
|
|
|
|
return pbar->priv->pulse_fraction;
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_get_inverted:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Gets the value set by gtk_progress_bar_set_inverted()
|
|
*
|
|
* Return value: %TRUE if the progress bar is inverted
|
|
*/
|
|
gboolean
|
|
gtk_progress_bar_get_inverted (GtkProgressBar *pbar)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), FALSE);
|
|
|
|
return pbar->priv->inverted;
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_set_ellipsize:
|
|
* @pbar: a #GtkProgressBar
|
|
* @mode: a #PangoEllipsizeMode
|
|
*
|
|
* Sets the mode used to ellipsize (add an ellipsis: "...") the text
|
|
* if there is not enough space to render the entire string.
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
void
|
|
gtk_progress_bar_set_ellipsize (GtkProgressBar *pbar,
|
|
PangoEllipsizeMode mode)
|
|
{
|
|
GtkProgressBarPrivate *priv;
|
|
|
|
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
|
|
g_return_if_fail (mode >= PANGO_ELLIPSIZE_NONE &&
|
|
mode <= PANGO_ELLIPSIZE_END);
|
|
|
|
priv = pbar->priv;
|
|
|
|
if ((PangoEllipsizeMode)priv->ellipsize != mode)
|
|
{
|
|
priv->ellipsize = mode;
|
|
|
|
g_object_notify (G_OBJECT (pbar), "ellipsize");
|
|
gtk_widget_queue_resize (GTK_WIDGET (pbar));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gtk_progress_bar_get_ellipsize:
|
|
* @pbar: a #GtkProgressBar
|
|
*
|
|
* Returns the ellipsizing position of the progressbar.
|
|
* See gtk_progress_bar_set_ellipsize().
|
|
*
|
|
* Return value: #PangoEllipsizeMode
|
|
*
|
|
* Since: 2.6
|
|
**/
|
|
PangoEllipsizeMode
|
|
gtk_progress_bar_get_ellipsize (GtkProgressBar *pbar)
|
|
{
|
|
g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), PANGO_ELLIPSIZE_NONE);
|
|
|
|
return pbar->priv->ellipsize;
|
|
}
|