* 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 Library General Public
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * 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>
+
+#undef GTK_DISABLE_DEPRECATED
+#define __GTK_PROGRESS_BAR_C__
+
#include "gtkprogressbar.h"
+#include "gtkprivate.h"
+#include "gtkintl.h"
+#include "gtkalias.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
-#define MIN_WIDTH 200
-#define MIN_HEIGHT 20
+enum {
+ PROP_0,
+ /* Supported args */
+ PROP_FRACTION,
+ PROP_PULSE_STEP,
+ PROP_ORIENTATION,
+ PROP_TEXT,
+ PROP_ELLIPSIZE,
+
+ /* Deprecated args */
+ PROP_ADJUSTMENT,
+ PROP_BAR_STYLE,
+ PROP_ACTIVITY_STEP,
+ PROP_ACTIVITY_BLOCKS,
+ PROP_DISCRETE_BLOCKS
+};
-static void gtk_progress_bar_class_init (GtkProgressBarClass *klass);
-static void gtk_progress_bar_init (GtkProgressBar *pbar);
-static void gtk_progress_bar_realize (GtkWidget *widget);
-static void gtk_progress_bar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static gint gtk_progress_bar_expose (GtkWidget *widget,
+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_make_pixmap (GtkProgressBar *pbar);
-static void gtk_progress_bar_paint (GtkProgressBar *pbar);
+static void gtk_progress_bar_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_progress_bar_style_set (GtkWidget *widget,
+ GtkStyle *previous);
+static void gtk_progress_bar_real_update (GtkProgress *progress);
+static void gtk_progress_bar_paint (GtkProgress *progress);
+static void gtk_progress_bar_act_mode_enter (GtkProgress *progress);
+static void gtk_progress_bar_set_bar_style_internal (GtkProgressBar *pbar,
+ GtkProgressBarStyle style);
+static void gtk_progress_bar_set_discrete_blocks_internal (GtkProgressBar *pbar,
+ guint blocks);
+static void gtk_progress_bar_set_activity_step_internal (GtkProgressBar *pbar,
+ guint step);
+static void gtk_progress_bar_set_activity_blocks_internal (GtkProgressBar *pbar,
+ guint blocks);
-guint
-gtk_progress_bar_get_type (void)
-{
- static guint progress_bar_type = 0;
- if (!progress_bar_type)
- {
- GtkTypeInfo progress_bar_info =
- {
- "GtkProgressBar",
- sizeof (GtkProgressBar),
- sizeof (GtkProgressBarClass),
- (GtkClassInitFunc) gtk_progress_bar_class_init,
- (GtkObjectInitFunc) gtk_progress_bar_init,
- /* reversed_1 */ NULL,
- /* reversed_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- progress_bar_type = gtk_type_unique (gtk_widget_get_type (), &progress_bar_info);
- }
-
- return progress_bar_type;
-}
+G_DEFINE_TYPE (GtkProgressBar, gtk_progress_bar, GTK_TYPE_PROGRESS)
static void
gtk_progress_bar_class_init (GtkProgressBarClass *class)
{
+ GObjectClass *gobject_class;
GtkWidgetClass *widget_class;
+ GtkProgressClass *progress_class;
+
+ gobject_class = G_OBJECT_CLASS (class);
+ widget_class = (GtkWidgetClass *) class;
+ progress_class = (GtkProgressClass *) class;
- widget_class = (GtkWidgetClass*) class;
-
- widget_class->realize = gtk_progress_bar_realize;
- widget_class->size_allocate = gtk_progress_bar_size_allocate;
+ gobject_class->set_property = gtk_progress_bar_set_property;
+ gobject_class->get_property = gtk_progress_bar_get_property;
+
widget_class->expose_event = gtk_progress_bar_expose;
+ widget_class->size_request = gtk_progress_bar_size_request;
+ widget_class->style_set = gtk_progress_bar_style_set;
+
+ progress_class->paint = gtk_progress_bar_paint;
+ progress_class->update = gtk_progress_bar_real_update;
+ progress_class->act_mode_enter = gtk_progress_bar_act_mode_enter;
+
+ g_object_class_install_property (gobject_class,
+ PROP_ADJUSTMENT,
+ g_param_spec_object ("adjustment",
+ P_("Adjustment"),
+ P_("The GtkAdjustment connected to the progress bar (Deprecated)"),
+ GTK_TYPE_ADJUSTMENT,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ORIENTATION,
+ g_param_spec_enum ("orientation",
+ P_("Orientation"),
+ P_("Orientation and growth direction of the progress bar"),
+ GTK_TYPE_PROGRESS_BAR_ORIENTATION,
+ GTK_PROGRESS_LEFT_TO_RIGHT,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_BAR_STYLE,
+ g_param_spec_enum ("bar-style",
+ P_("Bar style"),
+ P_("Specifies the visual style of the bar in percentage mode (Deprecated)"),
+ GTK_TYPE_PROGRESS_BAR_STYLE,
+ GTK_PROGRESS_CONTINUOUS,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ACTIVITY_STEP,
+ g_param_spec_uint ("activity-step",
+ P_("Activity Step"),
+ P_("The increment used for each iteration in activity mode (Deprecated)"),
+ 0, G_MAXUINT, 3,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ACTIVITY_BLOCKS,
+ g_param_spec_uint ("activity-blocks",
+ P_("Activity Blocks"),
+ P_("The number of blocks which can fit in the progress bar area in activity mode (Deprecated)"),
+ 2, G_MAXUINT, 5,
+ GTK_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class,
+ PROP_DISCRETE_BLOCKS,
+ g_param_spec_uint ("discrete-blocks",
+ P_("Discrete Blocks"),
+ P_("The number of discrete blocks in a progress bar (when shown in the discrete style)"),
+ 2, G_MAXUINT, 10,
+ 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));
+
+ /**
+ * 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_("XSpacing"),
+ 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_("YSpacing"),
+ 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_("Min 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_("Min 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_("Min 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_("Min vertical bar height"),
+ P_("The minimum vertical height of the progress bar"),
+ 1, G_MAXINT, MIN_VERTICAL_BAR_HEIGHT,
+ G_PARAM_READWRITE));
}
static void
gtk_progress_bar_init (GtkProgressBar *pbar)
{
- GTK_WIDGET_SET_FLAGS (pbar, GTK_BASIC);
+ pbar->bar_style = GTK_PROGRESS_CONTINUOUS;
+ pbar->blocks = 10;
+ pbar->in_block = -1;
+ pbar->orientation = GTK_PROGRESS_LEFT_TO_RIGHT;
+ pbar->pulse_fraction = 0.1;
+ pbar->activity_pos = 0;
+ pbar->activity_dir = 1;
+ pbar->activity_step = 3;
+ pbar->activity_blocks = 5;
+ pbar->ellipsize = PANGO_ELLIPSIZE_NONE;
+}
+
+static void
+gtk_progress_bar_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GtkProgressBar *pbar;
+
+ pbar = GTK_PROGRESS_BAR (object);
- GTK_WIDGET (pbar)->requisition.width = MIN_WIDTH;
- GTK_WIDGET (pbar)->requisition.height = MIN_HEIGHT;
- pbar->offscreen_pixmap = NULL;
- pbar->percentage = 0;
+ switch (prop_id)
+ {
+ case PROP_ADJUSTMENT:
+ gtk_progress_set_adjustment (GTK_PROGRESS (pbar),
+ GTK_ADJUSTMENT (g_value_get_object (value)));
+ break;
+ case PROP_ORIENTATION:
+ gtk_progress_bar_set_orientation (pbar, g_value_get_enum (value));
+ break;
+ case PROP_BAR_STYLE:
+ gtk_progress_bar_set_bar_style_internal (pbar, g_value_get_enum (value));
+ break;
+ case PROP_ACTIVITY_STEP:
+ gtk_progress_bar_set_activity_step_internal (pbar, g_value_get_uint (value));
+ break;
+ case PROP_ACTIVITY_BLOCKS:
+ gtk_progress_bar_set_activity_blocks_internal (pbar, g_value_get_uint (value));
+ break;
+ case PROP_DISCRETE_BLOCKS:
+ gtk_progress_bar_set_discrete_blocks_internal (pbar, g_value_get_uint (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_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;
+
+ pbar = GTK_PROGRESS_BAR (object);
+
+ switch (prop_id)
+ {
+ case PROP_ADJUSTMENT:
+ g_value_set_object (value, GTK_PROGRESS (pbar)->adjustment);
+ break;
+ case PROP_ORIENTATION:
+ g_value_set_enum (value, pbar->orientation);
+ break;
+ case PROP_BAR_STYLE:
+ g_value_set_enum (value, pbar->bar_style);
+ break;
+ case PROP_ACTIVITY_STEP:
+ g_value_set_uint (value, pbar->activity_step);
+ break;
+ case PROP_ACTIVITY_BLOCKS:
+ g_value_set_uint (value, pbar->activity_blocks);
+ break;
+ case PROP_DISCRETE_BLOCKS:
+ g_value_set_uint (value, pbar->blocks);
+ break;
+ case PROP_FRACTION:
+ g_value_set_double (value, gtk_progress_get_current_percentage (GTK_PROGRESS (pbar)));
+ break;
+ case PROP_PULSE_STEP:
+ g_value_set_double (value, pbar->pulse_fraction);
+ break;
+ case PROP_TEXT:
+ g_value_set_string (value, gtk_progress_bar_get_text (pbar));
+ break;
+ case PROP_ELLIPSIZE:
+ g_value_set_enum (value, pbar->ellipsize);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
GtkWidget*
gtk_progress_bar_new (void)
{
- return GTK_WIDGET (gtk_type_new (gtk_progress_bar_get_type ()));
+ GtkWidget *pbar;
+
+ pbar = g_object_new (GTK_TYPE_PROGRESS_BAR, NULL);
+
+ return pbar;
}
-void
-gtk_progress_bar_update (GtkProgressBar *pbar,
- gfloat percentage)
+/**
+ * gtk_progress_bar_new_with_adjustment:
+ * @adjustment: (allow-none):
+ *
+ * Creates a new #GtkProgressBar with an associated #GtkAdjustment.
+ *
+ * Returns: (transfer none): a #GtkProgressBar.
+ */
+GtkWidget*
+gtk_progress_bar_new_with_adjustment (GtkAdjustment *adjustment)
{
- g_return_if_fail (pbar != NULL);
- g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ GtkWidget *pbar;
+
+ g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL);
+
+ pbar = g_object_new (GTK_TYPE_PROGRESS_BAR,
+ "adjustment", adjustment,
+ NULL);
+
+ return pbar;
+}
+
+static void
+gtk_progress_bar_real_update (GtkProgress *progress)
+{
+ GtkProgressBar *pbar;
+ GtkWidget *widget;
- if (percentage < 0.0)
- percentage = 0.0;
- else if (percentage > 1.0)
- percentage = 1.0;
+ g_return_if_fail (GTK_IS_PROGRESS (progress));
- if (pbar->percentage != percentage)
+ pbar = GTK_PROGRESS_BAR (progress);
+ widget = GTK_WIDGET (progress);
+
+ if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS ||
+ GTK_PROGRESS (pbar)->activity_mode)
{
- pbar->percentage = percentage;
- gtk_progress_bar_paint (pbar);
- gtk_widget_queue_draw (GTK_WIDGET (pbar));
+ if (GTK_PROGRESS (pbar)->activity_mode)
+ {
+ guint size;
+
+ /* advance the block */
+
+ if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT ||
+ pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ {
+ /* Update our activity step. */
+
+ pbar->activity_step = widget->allocation.width * pbar->pulse_fraction;
+
+ size = MAX (2, widget->allocation.width / pbar->activity_blocks);
+
+ if (pbar->activity_dir == 0)
+ {
+ pbar->activity_pos += pbar->activity_step;
+ if (pbar->activity_pos + size >=
+ widget->allocation.width -
+ widget->style->xthickness)
+ {
+ pbar->activity_pos = widget->allocation.width -
+ widget->style->xthickness - size;
+ pbar->activity_dir = 1;
+ }
+ }
+ else
+ {
+ pbar->activity_pos -= pbar->activity_step;
+ if (pbar->activity_pos <= widget->style->xthickness)
+ {
+ pbar->activity_pos = widget->style->xthickness;
+ pbar->activity_dir = 0;
+ }
+ }
+ }
+ else
+ {
+ /* Update our activity step. */
+
+ pbar->activity_step = widget->allocation.height * pbar->pulse_fraction;
+
+ size = MAX (2, widget->allocation.height / pbar->activity_blocks);
+
+ if (pbar->activity_dir == 0)
+ {
+ pbar->activity_pos += pbar->activity_step;
+ if (pbar->activity_pos + size >=
+ widget->allocation.height -
+ widget->style->ythickness)
+ {
+ pbar->activity_pos = widget->allocation.height -
+ widget->style->ythickness - size;
+ pbar->activity_dir = 1;
+ }
+ }
+ else
+ {
+ pbar->activity_pos -= pbar->activity_step;
+ if (pbar->activity_pos <= widget->style->ythickness)
+ {
+ pbar->activity_pos = widget->style->ythickness;
+ pbar->activity_dir = 0;
+ }
+ }
+ }
+ }
+ pbar->dirty = TRUE;
+ gtk_widget_queue_draw (GTK_WIDGET (progress));
+ }
+ else
+ {
+ gint in_block;
+
+ in_block = -1 + (gint)(gtk_progress_get_current_percentage (progress) *
+ (gdouble)pbar->blocks);
+
+ if (pbar->in_block != in_block)
+ {
+ pbar->in_block = in_block;
+ pbar->dirty = TRUE;
+ gtk_widget_queue_draw (GTK_WIDGET (progress));
+ }
}
}
+static gboolean
+gtk_progress_bar_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ GtkProgressBar *pbar;
+
+ g_return_val_if_fail (GTK_IS_PROGRESS_BAR (widget), FALSE);
+
+ pbar = GTK_PROGRESS_BAR (widget);
+
+ if (GTK_WIDGET_DRAWABLE (widget) && pbar->dirty)
+ gtk_progress_bar_paint (GTK_PROGRESS (pbar));
+
+ return GTK_WIDGET_CLASS (gtk_progress_bar_parent_class)->expose_event (widget, event);
+}
+
static void
-gtk_progress_bar_realize (GtkWidget *widget)
+gtk_progress_bar_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
{
+ GtkProgress *progress;
GtkProgressBar *pbar;
- GdkWindowAttr attributes;
- gint attributes_mask;
+ gchar *buf;
+ PangoRectangle logical_rect;
+ PangoLayout *layout;
+ gint width, height;
+ gint xspacing, yspacing;
+ gint min_width, min_height;
- g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PROGRESS_BAR (widget));
+ g_return_if_fail (requisition != NULL);
+ gtk_widget_style_get (widget,
+ "xspacing", &xspacing,
+ "yspacing", &yspacing,
+ NULL);
+
+ progress = GTK_PROGRESS (widget);
pbar = GTK_PROGRESS_BAR (widget);
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = widget->allocation.x;
- attributes.y = widget->allocation.y;
- attributes.width = widget->allocation.width;
- attributes.height = widget->allocation.height;
- attributes.wclass = GDK_INPUT_OUTPUT;
- attributes.visual = gtk_widget_get_visual (widget);
- attributes.colormap = gtk_widget_get_colormap (widget);
- attributes.event_mask = gtk_widget_get_events (widget);
- attributes.event_mask |= GDK_EXPOSURE_MASK;
+ width = 2 * widget->style->xthickness + xspacing;
+ height = 2 * widget->style->ythickness + yspacing;
+
+ if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE)
+ {
+ if (!progress->adjustment)
+ gtk_progress_set_adjustment (progress, NULL);
- attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ buf = gtk_progress_get_text_from_value (progress, progress->adjustment->upper);
- widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
- gdk_window_set_user_data (widget->window, pbar);
+ layout = gtk_widget_create_pango_layout (widget, buf);
- widget->style = gtk_style_attach (widget->style, widget->window);
- gtk_style_set_background (widget->style, widget->window, GTK_STATE_ACTIVE);
+ pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+
+ if (pbar->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, widget->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 (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT ||
+ pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ 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);
- gtk_progress_bar_make_pixmap (pbar);
+ requisition->width = MAX (min_width, width);
+ requisition->height = MAX (min_height, height);
}
static void
-gtk_progress_bar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
+gtk_progress_bar_style_set (GtkWidget *widget,
+ GtkStyle *previous)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_PROGRESS_BAR (widget));
- g_return_if_fail (allocation != NULL);
+ GtkProgressBar *pbar = GTK_PROGRESS_BAR (widget);
+
+ pbar->dirty = TRUE;
+
+ GTK_WIDGET_CLASS (gtk_progress_bar_parent_class)->style_set (widget, previous);
+}
+
+static void
+gtk_progress_bar_act_mode_enter (GtkProgress *progress)
+{
+ GtkProgressBar *pbar;
+ GtkWidget *widget;
+ GtkProgressBarOrientation orientation;
- widget->allocation = *allocation;
+ pbar = GTK_PROGRESS_BAR (progress);
+ widget = GTK_WIDGET (progress);
- if (GTK_WIDGET_REALIZED (widget))
+ orientation = pbar->orientation;
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
{
- gdk_window_move_resize (widget->window,
- allocation->x, allocation->y,
- allocation->width, allocation->height);
+ if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT)
+ orientation = GTK_PROGRESS_RIGHT_TO_LEFT;
+ else if (pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ orientation = GTK_PROGRESS_LEFT_TO_RIGHT;
+ }
+
+ /* calculate start pos */
- gtk_progress_bar_make_pixmap (GTK_PROGRESS_BAR (widget));
+ if (orientation == GTK_PROGRESS_LEFT_TO_RIGHT ||
+ orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ {
+ if (orientation == GTK_PROGRESS_LEFT_TO_RIGHT)
+ {
+ pbar->activity_pos = widget->style->xthickness;
+ pbar->activity_dir = 0;
+ }
+ else
+ {
+ pbar->activity_pos = widget->allocation.width -
+ widget->style->xthickness - (widget->allocation.height -
+ widget->style->ythickness * 2);
+ pbar->activity_dir = 1;
+ }
+ }
+ else
+ {
+ if (orientation == GTK_PROGRESS_TOP_TO_BOTTOM)
+ {
+ pbar->activity_pos = widget->style->ythickness;
+ pbar->activity_dir = 0;
+ }
+ else
+ {
+ pbar->activity_pos = widget->allocation.height -
+ widget->style->ythickness - (widget->allocation.width -
+ widget->style->xthickness * 2);
+ pbar->activity_dir = 1;
+ }
}
}
-static gint
-gtk_progress_bar_expose (GtkWidget *widget,
- GdkEventExpose *event)
+static void
+gtk_progress_bar_get_activity (GtkProgressBar *pbar,
+ GtkProgressBarOrientation orientation,
+ gint *offset,
+ gint *amount)
{
- GtkProgressBar *pbar;
+ GtkWidget *widget = GTK_WIDGET (pbar);
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_PROGRESS_BAR (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ *offset = pbar->activity_pos;
- if (GTK_WIDGET_DRAWABLE (widget))
+ switch (orientation)
{
- pbar = GTK_PROGRESS_BAR (widget);
-
- gdk_draw_pixmap (widget->window,
- widget->style->black_gc,
- pbar->offscreen_pixmap,
- 0, 0, 0, 0,
- widget->allocation.width,
- widget->allocation.height);
+ case GTK_PROGRESS_LEFT_TO_RIGHT:
+ case GTK_PROGRESS_RIGHT_TO_LEFT:
+ *amount = MAX (2, widget->allocation.width / pbar->activity_blocks);
+ break;
+
+ case GTK_PROGRESS_TOP_TO_BOTTOM:
+ case GTK_PROGRESS_BOTTOM_TO_TOP:
+ *amount = MAX (2, widget->allocation.height / pbar->activity_blocks);
+ break;
}
+}
- return FALSE;
+static void
+gtk_progress_bar_paint_activity (GtkProgressBar *pbar,
+ GtkProgressBarOrientation orientation)
+{
+ GtkWidget *widget = GTK_WIDGET (pbar);
+ GtkProgress *progress = GTK_PROGRESS (pbar);
+ GdkRectangle area;
+
+ switch (orientation)
+ {
+ case GTK_PROGRESS_LEFT_TO_RIGHT:
+ case GTK_PROGRESS_RIGHT_TO_LEFT:
+ gtk_progress_bar_get_activity (pbar, orientation, &area.x, &area.width);
+ area.y = widget->style->ythickness;
+ area.height = widget->allocation.height - 2 * widget->style->ythickness;
+ break;
+
+ case GTK_PROGRESS_TOP_TO_BOTTOM:
+ case GTK_PROGRESS_BOTTOM_TO_TOP:
+ gtk_progress_bar_get_activity (pbar, orientation, &area.y, &area.height);
+ area.x = widget->style->xthickness;
+ area.width = widget->allocation.width - 2 * widget->style->xthickness;
+ break;
+
+ default:
+ return;
+ break;
+ }
+
+ gtk_paint_box (widget->style,
+ progress->offscreen_pixmap,
+ 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,
+ GtkProgressBarOrientation orientation)
+{
+ GdkRectangle area;
+ GtkWidget *widget = GTK_WIDGET (pbar);
+
+ if (amount <= 0)
+ return;
+
+ switch (orientation)
+ {
+ case GTK_PROGRESS_LEFT_TO_RIGHT:
+ case GTK_PROGRESS_RIGHT_TO_LEFT:
+ area.width = amount;
+ area.height = widget->allocation.height - widget->style->ythickness * 2;
+ area.y = widget->style->ythickness;
+
+ area.x = widget->style->xthickness;
+ if (orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ area.x = widget->allocation.width - amount - area.x;
+ break;
+
+ case GTK_PROGRESS_TOP_TO_BOTTOM:
+ case GTK_PROGRESS_BOTTOM_TO_TOP:
+ area.width = widget->allocation.width - widget->style->xthickness * 2;
+ area.height = amount;
+ area.x = widget->style->xthickness;
+
+ area.y = widget->style->ythickness;
+ if (orientation == GTK_PROGRESS_BOTTOM_TO_TOP)
+ area.y = widget->allocation.height - amount - area.y;
+ break;
+
+ default:
+ return;
+ break;
+ }
+
+ gtk_paint_box (widget->style,
+ GTK_PROGRESS (pbar)->offscreen_pixmap,
+ GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
+ &area, widget, "bar",
+ area.x, area.y, area.width, area.height);
+}
+
+static void
+gtk_progress_bar_paint_discrete (GtkProgressBar *pbar,
+ GtkProgressBarOrientation orientation)
+{
+ GtkWidget *widget = GTK_WIDGET (pbar);
+ gint i;
+
+ for (i = 0; i <= pbar->in_block; i++)
+ {
+ GdkRectangle area;
+ gint space;
+
+ switch (orientation)
+ {
+ case GTK_PROGRESS_LEFT_TO_RIGHT:
+ case GTK_PROGRESS_RIGHT_TO_LEFT:
+ space = widget->allocation.width - 2 * widget->style->xthickness;
+
+ area.x = widget->style->xthickness + (i * space) / pbar->blocks;
+ area.y = widget->style->ythickness;
+ area.width = widget->style->xthickness + ((i + 1) * space) / pbar->blocks - area.x;
+ area.height = widget->allocation.height - 2 * widget->style->ythickness;
+
+ if (orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ area.x = widget->allocation.width - area.width - area.x;
+ break;
+
+ case GTK_PROGRESS_TOP_TO_BOTTOM:
+ case GTK_PROGRESS_BOTTOM_TO_TOP:
+ space = widget->allocation.height - 2 * widget->style->ythickness;
+
+ area.x = widget->style->xthickness;
+ area.y = widget->style->ythickness + (i * space) / pbar->blocks;
+ area.width = widget->allocation.width - 2 * widget->style->xthickness;
+ area.height = widget->style->ythickness + ((i + 1) * space) / pbar->blocks - area.y;
+
+ if (orientation == GTK_PROGRESS_BOTTOM_TO_TOP)
+ area.y = widget->allocation.height - area.height - area.y;
+ break;
+
+ default:
+ return;
+ break;
+ }
+
+ gtk_paint_box (widget->style,
+ GTK_PROGRESS (pbar)->offscreen_pixmap,
+ GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
+ &area, widget, "bar",
+ area.x, area.y, area.width, area.height);
+ }
}
static void
-gtk_progress_bar_make_pixmap (GtkProgressBar *pbar)
+gtk_progress_bar_paint_text (GtkProgressBar *pbar,
+ gint offset,
+ gint amount,
+ GtkProgressBarOrientation orientation)
{
+ GtkProgress *progress = GTK_PROGRESS (pbar);
+ 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 = progress->x_align;
+ gfloat text_yalign = progress->y_align;
+
+ if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_LTR)
+ text_xalign = 1.0 - text_xalign;
+
+ buf = gtk_progress_get_current_text (progress);
+
+ layout = gtk_widget_create_pango_layout (widget, buf);
+ pango_layout_set_ellipsize (layout, pbar->ellipsize);
+ if (pbar->ellipsize)
+ pango_layout_set_width (layout, widget->allocation.width * PANGO_SCALE);
+
+ pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+
+ x = widget->style->xthickness + 1 + text_xalign *
+ (widget->allocation.width - 2 * widget->style->xthickness -
+ 2 - logical_rect.width);
+
+ y = widget->style->ythickness + 1 + text_yalign *
+ (widget->allocation.height - 2 * widget->style->ythickness -
+ 2 - logical_rect.height);
+
+ rect.x = widget->style->xthickness;
+ rect.y = widget->style->ythickness;
+ rect.width = widget->allocation.width - 2 * widget->style->xthickness;
+ rect.height = widget->allocation.height - 2 * widget->style->ythickness;
+
+ prelight_clip = start_clip = end_clip = rect;
+
+ switch (orientation)
+ {
+ case GTK_PROGRESS_LEFT_TO_RIGHT:
+ 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;
+ break;
+
+ case GTK_PROGRESS_RIGHT_TO_LEFT:
+ 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;
+ break;
+
+ case GTK_PROGRESS_TOP_TO_BOTTOM:
+ 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;
+ break;
+
+ case GTK_PROGRESS_BOTTOM_TO_TOP:
+ 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;
+ break;
+ }
+
+ if (start_clip.width > 0 && start_clip.height > 0)
+ gtk_paint_layout (widget->style,
+ progress->offscreen_pixmap,
+ GTK_STATE_NORMAL,
+ FALSE,
+ &start_clip,
+ widget,
+ "progressbar",
+ x, y,
+ layout);
+
+ if (end_clip.width > 0 && end_clip.height > 0)
+ gtk_paint_layout (widget->style,
+ progress->offscreen_pixmap,
+ GTK_STATE_NORMAL,
+ FALSE,
+ &end_clip,
+ widget,
+ "progressbar",
+ x, y,
+ layout);
+
+ gtk_paint_layout (widget->style,
+ progress->offscreen_pixmap,
+ GTK_STATE_PRELIGHT,
+ FALSE,
+ &prelight_clip,
+ widget,
+ "progressbar",
+ x, y,
+ layout);
+
+ g_object_unref (layout);
+ g_free (buf);
+}
+
+static void
+gtk_progress_bar_paint (GtkProgress *progress)
+{
+ GtkProgressBar *pbar;
GtkWidget *widget;
- g_return_if_fail (pbar != NULL);
+ GtkProgressBarOrientation orientation;
+
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (progress));
+
+ pbar = GTK_PROGRESS_BAR (progress);
+ widget = GTK_WIDGET (progress);
+
+ orientation = pbar->orientation;
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
+ {
+ if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT)
+ orientation = GTK_PROGRESS_RIGHT_TO_LEFT;
+ else if (pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ orientation = GTK_PROGRESS_LEFT_TO_RIGHT;
+ }
+
+ if (progress->offscreen_pixmap)
+ {
+ gtk_paint_box (widget->style,
+ progress->offscreen_pixmap,
+ GTK_STATE_NORMAL, GTK_SHADOW_IN,
+ NULL, widget, "trough",
+ 0, 0,
+ widget->allocation.width,
+ widget->allocation.height);
+
+ if (progress->activity_mode)
+ {
+ gtk_progress_bar_paint_activity (pbar, orientation);
+
+ if (GTK_PROGRESS (pbar)->show_text)
+ {
+ gint offset;
+ gint amount;
+
+ gtk_progress_bar_get_activity (pbar, orientation, &offset, &amount);
+ gtk_progress_bar_paint_text (pbar, offset, amount, orientation);
+ }
+ }
+ else
+ {
+ gint amount;
+ gint space;
+
+ if (orientation == GTK_PROGRESS_LEFT_TO_RIGHT ||
+ orientation == GTK_PROGRESS_RIGHT_TO_LEFT)
+ space = widget->allocation.width - 2 * widget->style->xthickness;
+ else
+ space = widget->allocation.height - 2 * widget->style->ythickness;
+
+ amount = space *
+ gtk_progress_get_current_percentage (GTK_PROGRESS (pbar));
+
+ if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS)
+ {
+ gtk_progress_bar_paint_continuous (pbar, amount, orientation);
+
+ if (GTK_PROGRESS (pbar)->show_text)
+ gtk_progress_bar_paint_text (pbar, -1, amount, orientation);
+ }
+ else
+ gtk_progress_bar_paint_discrete (pbar, orientation);
+ }
+
+ pbar->dirty = FALSE;
+ }
+}
+
+static void
+gtk_progress_bar_set_bar_style_internal (GtkProgressBar *pbar,
+ GtkProgressBarStyle bar_style)
+{
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
- if (GTK_WIDGET_REALIZED (pbar))
+ if (pbar->bar_style != bar_style)
{
- widget = GTK_WIDGET (pbar);
+ pbar->bar_style = bar_style;
- if (pbar->offscreen_pixmap)
- gdk_pixmap_unref (pbar->offscreen_pixmap);
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (pbar)))
+ gtk_widget_queue_resize (GTK_WIDGET (pbar));
- pbar->offscreen_pixmap = gdk_pixmap_new (widget->window,
- widget->allocation.width,
- widget->allocation.height,
- -1);
+ g_object_notify (G_OBJECT (pbar), "bar-style");
+ }
+}
+
+static void
+gtk_progress_bar_set_discrete_blocks_internal (GtkProgressBar *pbar,
+ guint blocks)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ g_return_if_fail (blocks > 1);
+
+ if (pbar->blocks != blocks)
+ {
+ pbar->blocks = blocks;
- gtk_progress_bar_paint (pbar);
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (pbar)))
+ gtk_widget_queue_resize (GTK_WIDGET (pbar));
+
+ g_object_notify (G_OBJECT (pbar), "discrete-blocks");
}
}
static void
-gtk_progress_bar_paint (GtkProgressBar *pbar)
+gtk_progress_bar_set_activity_step_internal (GtkProgressBar *pbar,
+ guint step)
{
- GtkWidget *widget;
- int amount;
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
- g_return_if_fail (pbar != NULL);
+ if (pbar->activity_step != step)
+ {
+ pbar->activity_step = step;
+ g_object_notify (G_OBJECT (pbar), "activity-step");
+ }
+}
+
+static void
+gtk_progress_bar_set_activity_blocks_internal (GtkProgressBar *pbar,
+ guint blocks)
+{
g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ g_return_if_fail (blocks > 1);
- if (pbar->offscreen_pixmap)
+ if (pbar->activity_blocks != blocks)
{
- widget = GTK_WIDGET (pbar);
+ pbar->activity_blocks = blocks;
+ g_object_notify (G_OBJECT (pbar), "activity-blocks");
+ }
+}
- gtk_draw_shadow (widget->style,
- pbar->offscreen_pixmap,
- GTK_STATE_NORMAL, GTK_SHADOW_IN, 0, 0,
- widget->allocation.width,
- widget->allocation.height);
+/*******************************************************************/
- gdk_draw_rectangle (pbar->offscreen_pixmap,
- widget->style->bg_gc[GTK_STATE_ACTIVE], TRUE,
- widget->style->klass->xthickness,
- widget->style->klass->ythickness,
- widget->allocation.width - widget->style->klass->xthickness * 2,
- widget->allocation.height - widget->style->klass->ythickness * 2);
+/**
+ * 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)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ /* If we know the percentage, we don't want activity mode. */
+ gtk_progress_set_activity_mode (GTK_PROGRESS (pbar), FALSE);
+
+ /* We use the deprecated GtkProgress interface internally.
+ * Once everything's been deprecated for a good long time,
+ * we can clean up all this code.
+ */
+ gtk_progress_set_percentage (GTK_PROGRESS (pbar), fraction);
- amount = pbar->percentage * (widget->allocation.width - widget->style->klass->xthickness * 2);
- if (amount > 0)
- {
- gdk_draw_rectangle (pbar->offscreen_pixmap,
- widget->style->bg_gc[GTK_STATE_PRELIGHT], TRUE,
- widget->style->klass->xthickness,
- widget->style->klass->ythickness,
- amount,
- widget->allocation.height - widget->style->klass->ythickness * 2);
-
- gtk_draw_shadow (widget->style,
- pbar->offscreen_pixmap,
- GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
- widget->style->klass->xthickness,
- widget->style->klass->ythickness,
- amount,
- widget->allocation.height - widget->style->klass->ythickness * 2);
- }
+ 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));
+
+ /* If we don't know the percentage, we must want activity mode. */
+ gtk_progress_set_activity_mode (GTK_PROGRESS (pbar), TRUE);
+
+ /* Sigh. */
+ gtk_progress_bar_real_update (GTK_PROGRESS (pbar));
+}
+
+/**
+ * gtk_progress_bar_set_text:
+ * @pbar: a #GtkProgressBar
+ * @text: 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)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+
+ gtk_progress_set_show_text (GTK_PROGRESS (pbar), text && *text);
+ gtk_progress_set_format_string (GTK_PROGRESS (pbar), text);
+
+ /* We don't support formats in this interface, but turn
+ * them back on for NULL, which should put us back to
+ * the initial state.
+ */
+ GTK_PROGRESS (pbar)->use_text_format = (text == NULL);
+
+ g_object_notify (G_OBJECT (pbar), "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)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+
+ pbar->pulse_fraction = fraction;
+
+ g_object_notify (G_OBJECT (pbar), "pulse-step");
+}
+
+void
+gtk_progress_bar_update (GtkProgressBar *pbar,
+ gdouble percentage)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+
+ /* Use of gtk_progress_bar_update() is deprecated !
+ * Use gtk_progress_bar_set_percentage ()
+ */
+
+ gtk_progress_set_percentage (GTK_PROGRESS (pbar), percentage);
+}
+
+/**
+ * gtk_progress_bar_set_orientation:
+ * @pbar: a #GtkProgressBar
+ * @orientation: orientation of the progress bar
+ *
+ * Causes the progress bar to switch to a different orientation
+ * (left-to-right, right-to-left, top-to-bottom, or bottom-to-top).
+ **/
+void
+gtk_progress_bar_set_orientation (GtkProgressBar *pbar,
+ GtkProgressBarOrientation orientation)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+
+ if (pbar->orientation != orientation)
+ {
+ pbar->orientation = orientation;
+
+ if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (pbar)))
+ gtk_widget_queue_resize (GTK_WIDGET (pbar));
+
+ g_object_notify (G_OBJECT (pbar), "orientation");
+ }
+}
+
+/**
+ * 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);
+
+ if (GTK_PROGRESS (pbar)->use_text_format)
+ return NULL;
+ else
+ return GTK_PROGRESS (pbar)->format;
+}
+
+/**
+ * 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 gtk_progress_get_current_percentage (GTK_PROGRESS (pbar));
+}
+
+/**
+ * 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->pulse_fraction;
+}
+
+/**
+ * gtk_progress_bar_get_orientation:
+ * @pbar: a #GtkProgressBar
+ *
+ * Retrieves the current progress bar orientation.
+ *
+ * Return value: orientation of the progress bar
+ **/
+GtkProgressBarOrientation
+gtk_progress_bar_get_orientation (GtkProgressBar *pbar)
+{
+ g_return_val_if_fail (GTK_IS_PROGRESS_BAR (pbar), 0);
+
+ return pbar->orientation;
+}
+
+void
+gtk_progress_bar_set_bar_style (GtkProgressBar *pbar,
+ GtkProgressBarStyle bar_style)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+
+ gtk_progress_bar_set_bar_style_internal (pbar, bar_style);
+}
+
+void
+gtk_progress_bar_set_discrete_blocks (GtkProgressBar *pbar,
+ guint blocks)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ g_return_if_fail (blocks > 1);
+
+ gtk_progress_bar_set_discrete_blocks_internal (pbar, blocks);
+}
+
+void
+gtk_progress_bar_set_activity_step (GtkProgressBar *pbar,
+ guint step)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+
+ gtk_progress_bar_set_activity_step_internal (pbar, step);
+}
+
+void
+gtk_progress_bar_set_activity_blocks (GtkProgressBar *pbar,
+ guint blocks)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ g_return_if_fail (blocks > 1);
+
+ gtk_progress_bar_set_activity_blocks_internal (pbar, blocks);
+}
+
+/**
+ * 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)
+{
+ g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar));
+ g_return_if_fail (mode >= PANGO_ELLIPSIZE_NONE &&
+ mode <= PANGO_ELLIPSIZE_END);
+
+ if ((PangoEllipsizeMode)pbar->ellipsize != mode)
+ {
+ pbar->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->ellipsize;
+}
+
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff