/* 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/. */ #if HAVE_CONFIG_H # include # if STDC_HEADERS # include # include # endif #else # include #endif #include "gtkprogressbar.h" #include "gtksignal.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 #define MAX_TEXT_LENGTH 80 #define TEXT_SPACING 2 enum { PROP_0, /* Supported args */ PROP_FRACTION, PROP_PULSE_STEP, PROP_ORIENTATION, PROP_TEXT, /* 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_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 void gtk_progress_bar_size_request (GtkWidget *widget, GtkRequisition *requisition); 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); GtkType gtk_progress_bar_get_type (void) { static GtkType progress_bar_type = 0; if (!progress_bar_type) { static const GtkTypeInfo progress_bar_info = { "GtkProgressBar", sizeof (GtkProgressBar), sizeof (GtkProgressBarClass), (GtkClassInitFunc) gtk_progress_bar_class_init, (GtkObjectInitFunc) gtk_progress_bar_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL }; progress_bar_type = gtk_type_unique (GTK_TYPE_PROGRESS, &progress_bar_info); } return progress_bar_type; } 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; gobject_class->set_property = gtk_progress_bar_set_property; gobject_class->get_property = gtk_progress_bar_get_property; widget_class->size_request = gtk_progress_bar_size_request; 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", _("Adjustment"), _("The GtkAdjustment connected to the progress bar (Deprecated)"), GTK_TYPE_ADJUSTMENT, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ORIENTATION, g_param_spec_enum ("orientation", _("Orientation"), _("Orientation and growth direction of the progress bar"), GTK_TYPE_PROGRESS_BAR_ORIENTATION, GTK_PROGRESS_LEFT_TO_RIGHT, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_BAR_STYLE, g_param_spec_enum ("bar_style", _("Bar style"), _("Specifies the visual style of the bar in percentage mode (Deprecated)"), GTK_TYPE_PROGRESS_BAR_STYLE, GTK_PROGRESS_CONTINUOUS, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ACTIVITY_STEP, g_param_spec_uint ("activity_step", _("Activity Step"), _("The increment used for each iteration in activity mode (Deprecated)"), -G_MAXUINT, G_MAXUINT, 3, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ACTIVITY_BLOCKS, g_param_spec_uint ("activity_blocks", _("Activity Blocks"), _("The number of blocks which can fit in the progress bar area in activity mode (Deprecated)"), 2, G_MAXUINT, 5, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_DISCRETE_BLOCKS, g_param_spec_uint ("discrete_blocks", _("Discrete Blocks"), _("The number of discrete blocks in a progress bar (when shown in the discrete style)"), 2, G_MAXUINT, 10, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_FRACTION, g_param_spec_double ("fraction", _("Fraction"), _("The fraction of total work that has been completed"), 0.0, 1.0, 0.0, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_PULSE_STEP, g_param_spec_double ("pulse_step", _("Pulse Step"), _("The fraction of total progress to move the bouncing block when pulsed"), 0.0, 1.0, 0.1, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_TEXT, g_param_spec_string ("text", _("Text"), _("Text to be displayed in the progress bar"), "%P %%", G_PARAM_READWRITE)); } static void gtk_progress_bar_init (GtkProgressBar *pbar) { 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; } 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_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 (pbar, g_value_get_enum (value)); break; case PROP_ACTIVITY_STEP: gtk_progress_bar_set_activity_step (pbar, g_value_get_uint (value)); break; case PROP_ACTIVITY_BLOCKS: gtk_progress_bar_set_activity_blocks (pbar, g_value_get_uint (value)); break; case PROP_DISCRETE_BLOCKS: gtk_progress_bar_set_discrete_blocks (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; 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; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } GtkWidget* gtk_progress_bar_new (void) { GtkWidget *pbar; pbar = gtk_widget_new (GTK_TYPE_PROGRESS_BAR, NULL); return pbar; } GtkWidget* gtk_progress_bar_new_with_adjustment (GtkAdjustment *adjustment) { GtkWidget *pbar; g_return_val_if_fail (GTK_IS_ADJUSTMENT (adjustment), NULL); pbar = gtk_widget_new (GTK_TYPE_PROGRESS_BAR, "adjustment", adjustment, NULL); return pbar; } static void gtk_progress_bar_real_update (GtkProgress *progress) { GtkProgressBar *pbar; GtkWidget *widget; g_return_if_fail (GTK_IS_PROGRESS (progress)); pbar = GTK_PROGRESS_BAR (progress); widget = GTK_WIDGET (progress); if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS || GTK_PROGRESS (pbar)->activity_mode) { 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; } } } } gtk_progress_bar_paint (progress); 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; gtk_progress_bar_paint (progress); gtk_widget_queue_draw (GTK_WIDGET (progress)); } } } static void gtk_progress_bar_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkProgress *progress; GtkProgressBar *pbar; gchar *buf; PangoRectangle logical_rect; PangoLayout *layout; g_return_if_fail (GTK_IS_PROGRESS_BAR (widget)); g_return_if_fail (requisition != NULL); progress = GTK_PROGRESS (widget); pbar = GTK_PROGRESS_BAR (widget); if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE) { if (!progress->adjustment) gtk_progress_set_adjustment (progress, NULL); buf = gtk_progress_get_text_from_value (progress, progress->adjustment->upper); layout = gtk_widget_create_pango_layout (widget, buf); pango_layout_get_pixel_extents (layout, NULL, &logical_rect); g_object_unref (G_OBJECT (layout)); g_free (buf); } if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT || pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT) { if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE) { requisition->width = MAX (MIN_HORIZONTAL_BAR_WIDTH, 2 * widget->style->xthickness + 3 + logical_rect.width + 2 * TEXT_SPACING); requisition->height = MAX (MIN_HORIZONTAL_BAR_HEIGHT, 2 * widget->style->ythickness + 3 + logical_rect.height + 2 * TEXT_SPACING); } else { requisition->width = MIN_HORIZONTAL_BAR_WIDTH; requisition->height = MIN_HORIZONTAL_BAR_HEIGHT; } } else { if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE) { requisition->width = MAX (MIN_VERTICAL_BAR_WIDTH, 2 * widget->style->xthickness + 3 + logical_rect.width + 2 * TEXT_SPACING); requisition->height = MAX (MIN_VERTICAL_BAR_HEIGHT, 2 * widget->style->ythickness + 3 + logical_rect.height + 2 * TEXT_SPACING); } else { requisition->width = MIN_VERTICAL_BAR_WIDTH; requisition->height = MIN_VERTICAL_BAR_HEIGHT; } } } static void gtk_progress_bar_act_mode_enter (GtkProgress *progress) { GtkProgressBar *pbar; GtkWidget *widget; gint size; pbar = GTK_PROGRESS_BAR (progress); widget = GTK_WIDGET (progress); /* calculate start pos */ if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT || pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT) { size = MAX (2, widget->allocation.width / pbar->activity_blocks); if (pbar->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 { size = MAX (2, widget->allocation.height / pbar->activity_blocks); if (pbar->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 void gtk_progress_bar_paint (GtkProgress *progress) { GtkProgressBar *pbar; GtkWidget *widget; gint amount; gint block_delta = 0; gint space = 0; gint i; gint x; gint y; gdouble percentage; gint size; g_return_if_fail (GTK_IS_PROGRESS_BAR (progress)); pbar = GTK_PROGRESS_BAR (progress); widget = GTK_WIDGET (progress); if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT || pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT) space = widget->allocation.width - 2 * widget->style->xthickness; else space = widget->allocation.height - 2 * widget->style->ythickness; percentage = gtk_progress_get_current_percentage (progress); 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) { if (pbar->orientation == GTK_PROGRESS_LEFT_TO_RIGHT || pbar->orientation == GTK_PROGRESS_RIGHT_TO_LEFT) { size = MAX (2, widget->allocation.width / pbar->activity_blocks); gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", pbar->activity_pos, widget->style->ythickness, size, widget->allocation.height - widget->style->ythickness * 2); return; } else { size = MAX (2, widget->allocation.height / pbar->activity_blocks); gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->style->xthickness, pbar->activity_pos, widget->allocation.width - widget->style->xthickness * 2, size); return; } } amount = percentage * space; if (amount > 0) { switch (pbar->orientation) { case GTK_PROGRESS_LEFT_TO_RIGHT: if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS) { gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->style->xthickness, widget->style->ythickness, amount, widget->allocation.height - widget->style->ythickness * 2); } else { x = widget->style->xthickness; for (i = 0; i <= pbar->in_block; i++) { block_delta = (((i + 1) * space) / pbar->blocks) - ((i * space) / pbar->blocks); gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", x, widget->style->ythickness, block_delta, widget->allocation.height - widget->style->ythickness * 2); x += block_delta; } } break; case GTK_PROGRESS_RIGHT_TO_LEFT: if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS) { gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->allocation.width - widget->style->xthickness - amount, widget->style->ythickness, amount, widget->allocation.height - widget->style->ythickness * 2); } else { x = widget->allocation.width - widget->style->xthickness; for (i = 0; i <= pbar->in_block; i++) { block_delta = (((i + 1) * space) / pbar->blocks) - ((i * space) / pbar->blocks); x -= block_delta; gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", x, widget->style->ythickness, block_delta, widget->allocation.height - widget->style->ythickness * 2); } } break; case GTK_PROGRESS_BOTTOM_TO_TOP: if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS) { gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->style->xthickness, widget->allocation.height - widget->style->ythickness - amount, widget->allocation.width - widget->style->xthickness * 2, amount); } else { y = widget->allocation.height - widget->style->ythickness; for (i = 0; i <= pbar->in_block; i++) { block_delta = (((i + 1) * space) / pbar->blocks) - ((i * space) / pbar->blocks); y -= block_delta; gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->style->xthickness, y, widget->allocation.width - widget->style->xthickness * 2, block_delta); } } break; case GTK_PROGRESS_TOP_TO_BOTTOM: if (pbar->bar_style == GTK_PROGRESS_CONTINUOUS) { gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->style->xthickness, widget->style->ythickness, widget->allocation.width - widget->style->xthickness * 2, amount); } else { y = widget->style->ythickness; for (i = 0; i <= pbar->in_block; i++) { block_delta = (((i + 1) * space) / pbar->blocks) - ((i * space) / pbar->blocks); gtk_paint_box (widget->style, progress->offscreen_pixmap, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT, NULL, widget, "bar", widget->style->xthickness, y, widget->allocation.width - widget->style->xthickness * 2, block_delta); y += block_delta; } } break; default: break; } } if (progress->show_text && pbar->bar_style != GTK_PROGRESS_DISCRETE) { gint x; gint y; gchar *buf; GdkRectangle rect; PangoLayout *layout; PangoRectangle logical_rect; buf = gtk_progress_get_current_text (progress); layout = gtk_widget_create_pango_layout (widget, buf); pango_layout_get_pixel_extents (layout, NULL, &logical_rect); x = widget->style->xthickness + 1 + (widget->allocation.width - 2 * widget->style->xthickness - 3 - logical_rect.width) * progress->x_align; y = widget->style->ythickness + 1 + (widget->allocation.height - 2 * widget->style->ythickness - 3 - logical_rect.height) * progress->y_align; rect.x = widget->style->xthickness + 1; rect.y = widget->style->ythickness + 1; rect.width = widget->allocation.width - 2 * widget->style->xthickness - 3; rect.height = widget->allocation.height - 2 * widget->style->ythickness - 3; gtk_paint_layout (widget->style, progress->offscreen_pixmap, GTK_WIDGET_STATE (widget), FALSE, &rect, widget, "progressbar", x, y, layout); g_object_unref (G_OBJECT (layout)); g_free (buf); } } } /*******************************************************************/ /** * 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); 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 * * 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 */ GTK_PROGRESS (pbar)->use_text_format = FALSE; 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)); if (pbar->bar_style != bar_style) { pbar->bar_style = bar_style; if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (pbar))) gtk_widget_queue_resize (GTK_WIDGET (pbar)); g_object_notify (G_OBJECT (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); if (pbar->blocks != blocks) { pbar->blocks = blocks; if (GTK_WIDGET_DRAWABLE (GTK_WIDGET (pbar))) gtk_widget_queue_resize (GTK_WIDGET (pbar)); g_object_notify (G_OBJECT (pbar), "discrete_blocks"); } } void gtk_progress_bar_set_activity_step (GtkProgressBar *pbar, guint step) { g_return_if_fail (GTK_IS_PROGRESS_BAR (pbar)); if (pbar->activity_step != step) { pbar->activity_step = step; g_object_notify (G_OBJECT (pbar), "activity_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); if (pbar->activity_blocks != blocks) { pbar->activity_blocks = blocks; g_object_notify (G_OBJECT (pbar), "activity_blocks"); } }