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gimp/libgimpwidgets/gimppageselector.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimppageselector.c
* Copyright (C) 2005 Michael Natterer <mitch@gimp.org>
*
* 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
* Library 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.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include "gimpwidgetstypes.h"
#include "gimppageselector.h"
#include "gimppropwidgets.h"
#include "libgimp/libgimp-intl.h"
enum
{
SELECTION_CHANGED,
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_N_PAGES,
PROP_TARGET
};
enum
{
COLUMN_PAGE_NO,
COLUMN_THUMBNAIL,
COLUMN_LABEL,
COLUMN_LABEL_SET
};
static void gimp_page_selector_class_init (GimpPageSelectorClass *klass);
static void gimp_page_selector_init (GimpPageSelector *selector);
static void gimp_page_selector_finalize (GObject *object);
static void gimp_page_selector_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_page_selector_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_page_selector_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void gimp_page_selector_selection_changed (GtkIconView *icon_view,
GimpPageSelector *selector);
static gboolean gimp_page_selector_range_focus_out (GtkEntry *entry,
GdkEventFocus *fevent,
GimpPageSelector *selector);
static void gimp_page_selector_range_activate (GtkEntry *entry,
GimpPageSelector *selector);
static gint gimp_page_selector_int_compare (gconstpointer a,
gconstpointer b);
static void gimp_page_selector_print_range (GString *string,
gint start,
gint end);
static guint selector_signals[LAST_SIGNAL] = { 0 };
static GtkVBoxClass *parent_class = NULL;
GType
gimp_page_selector_get_type (void)
{
static GType selector_type = 0;
if (!selector_type)
{
static const GTypeInfo selector_info =
{
sizeof (GimpPageSelectorClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_page_selector_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpPageSelector),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_page_selector_init,
};
selector_type = g_type_register_static (GTK_TYPE_VBOX,
"GimpPageSelector",
&selector_info, 0);
}
return selector_type;
}
static void
gimp_page_selector_class_init (GimpPageSelectorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gimp_page_selector_finalize;
object_class->get_property = gimp_page_selector_get_property;
object_class->set_property = gimp_page_selector_set_property;
widget_class->style_set = gimp_page_selector_style_set;
klass->selection_changed = NULL;
selector_signals[SELECTION_CHANGED] =
g_signal_new ("selection-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpPageSelectorClass, selection_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* GimpPageSelector:n_pages:
*
* The number of pages of the document to open.
*
* Since: GIMP 2.4
**/
g_object_class_install_property (object_class, PROP_N_PAGES,
g_param_spec_int ("n-pages", NULL, NULL,
0, G_MAXINT, 0,
G_PARAM_READWRITE));
/**
* GimpPageSelector:target:
*
* The target to open the document to.
*
* Since: GIMP 2.4
**/
g_object_class_install_property (object_class, PROP_TARGET,
g_param_spec_enum ("target", NULL, NULL,
GIMP_TYPE_PAGE_SELECTOR_TARGET,
GIMP_PAGE_SELECTOR_TARGET_LAYERS,
G_PARAM_READWRITE));
}
static void
gimp_page_selector_init (GimpPageSelector *selector)
{
GtkWidget *sw;
GtkWidget *hbox;
GtkWidget *hbbox;
GtkWidget *button;
GtkWidget *label;
GtkWidget *combo;
selector->n_pages = 0;
selector->target = GIMP_PAGE_SELECTOR_TARGET_LAYERS;
gtk_box_set_spacing (GTK_BOX (selector), 6);
/* Pages */
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (selector), sw, TRUE, TRUE, 0);
gtk_widget_show (sw);
selector->store = gtk_list_store_new (4,
G_TYPE_INT,
GDK_TYPE_PIXBUF,
G_TYPE_STRING,
G_TYPE_BOOLEAN);
selector->view =
gtk_icon_view_new_with_model (GTK_TREE_MODEL (selector->store));
gtk_icon_view_set_text_column (GTK_ICON_VIEW (selector->view),
COLUMN_LABEL);
gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (selector->view),
COLUMN_THUMBNAIL);
gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (selector->view),
GTK_SELECTION_MULTIPLE);
gtk_container_add (GTK_CONTAINER (sw), selector->view);
gtk_widget_show (selector->view);
g_signal_connect (selector->view, "selection-changed",
G_CALLBACK (gimp_page_selector_selection_changed),
selector);
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (selector), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
/* Select buttons */
hbbox = gtk_hbutton_box_new ();
gtk_box_pack_start (GTK_BOX (hbox), hbbox, FALSE, FALSE, 0);
gtk_widget_show (hbbox);
button = gtk_button_new_with_mnemonic (_("Select _All"));
gtk_box_pack_start (GTK_BOX (hbbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gimp_page_selector_select_all),
selector);
button = gtk_button_new_with_mnemonic (_("Select _None"));
gtk_box_pack_start (GTK_BOX (hbbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gimp_page_selector_unselect_all),
selector);
selector->range_entry = gtk_entry_new ();
gtk_widget_set_size_request (selector->range_entry, 80, -1);
gtk_box_pack_end (GTK_BOX (hbox), selector->range_entry, TRUE, TRUE, 0);
gtk_widget_show (selector->range_entry);
g_signal_connect (selector->range_entry, "focus-out-event",
G_CALLBACK (gimp_page_selector_range_focus_out),
selector);
g_signal_connect (selector->range_entry, "activate",
G_CALLBACK (gimp_page_selector_range_activate),
selector);
label = gtk_label_new_with_mnemonic (_("Select _range:"));
gtk_box_pack_end (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), selector->range_entry);
/* Target combo */
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (selector), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("Open _pages as"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
combo = gimp_prop_enum_combo_box_new (G_OBJECT (selector), "target", -1, -1);
gtk_box_pack_start (GTK_BOX (hbox), combo, FALSE, FALSE, 0);
gtk_widget_show (combo);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
selector->thumbnail = gtk_widget_render_icon (GTK_WIDGET (selector),
GTK_STOCK_FILE,
GTK_ICON_SIZE_DND,
NULL);
}
static void
gimp_page_selector_finalize (GObject *object)
{
GimpPageSelector *selector = GIMP_PAGE_SELECTOR (object);
if (selector->thumbnail)
g_object_unref (selector->thumbnail);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_page_selector_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpPageSelector *selector = GIMP_PAGE_SELECTOR (object);
switch (property_id)
{
case PROP_N_PAGES:
g_value_set_int (value, selector->n_pages);
break;
case PROP_TARGET:
g_value_set_enum (value, selector->target);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_page_selector_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpPageSelector *selector = GIMP_PAGE_SELECTOR (object);
switch (property_id)
{
case PROP_N_PAGES:
gimp_page_selector_set_n_pages (selector, g_value_get_int (value));
break;
case PROP_TARGET:
selector->target = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_page_selector_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpPageSelector *selector = GIMP_PAGE_SELECTOR (widget);
PangoLayout *layout;
PangoRectangle ink_rect;
PangoRectangle logical_rect;
gint focus_line_width;
gint focus_padding;
if (GTK_WIDGET_CLASS (parent_class)->style_set)
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
layout = gtk_widget_create_pango_layout (widget, _("Page 000"));
pango_layout_get_extents (layout, &ink_rect, &logical_rect);
g_object_unref (layout);
gtk_widget_style_get (widget,
"focus-line-width", &focus_line_width,
"focus-padding", &focus_padding,
NULL);
#define ICON_TEXT_PADDING 3 /* EEK */
gtk_icon_view_set_item_width (GTK_ICON_VIEW (selector->view),
PANGO_PIXELS (MAX (ink_rect.width,
logical_rect.width)) +
2 * (focus_line_width + focus_padding +
ICON_TEXT_PADDING));
}
/* public functions */
/**
* gimp_page_selector_new:
*
* Creates a new #GimpPageSelector widget.
*
* Returns: Pointer to the new #GimpPageSelector widget.
*
* Since: GIMP 2.4
**/
GtkWidget *
gimp_page_selector_new (void)
{
GimpPageSelector *selector;
selector = g_object_new (GIMP_TYPE_PAGE_SELECTOR, NULL);
return GTK_WIDGET (selector);
}
/**
* gimp_page_selector_set_n_pages:
* @selector: Pointer to a #GimpPageSelector.
* @n_pages:
*
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_set_n_pages (GimpPageSelector *selector,
gint n_pages)
{
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
g_return_if_fail (n_pages >= 0);
if (n_pages != selector->n_pages)
{
GtkTreeIter iter;
gint i;
if (n_pages < selector->n_pages)
{
for (i = n_pages; i < selector->n_pages; i++)
{
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, n_pages);
gtk_list_store_remove (selector->store, &iter);
}
}
else
{
for (i = selector->n_pages; i < n_pages; i++)
{
gchar *text;
text = g_strdup_printf (_("Page %d"), i + 1);
gtk_list_store_append (selector->store, &iter);
gtk_list_store_set (selector->store, &iter,
COLUMN_PAGE_NO, i,
COLUMN_THUMBNAIL, selector->thumbnail,
COLUMN_LABEL, text,
COLUMN_LABEL_SET, FALSE,
-1);
g_free (text);
}
}
selector->n_pages = n_pages;
g_object_notify (G_OBJECT (selector), "n-pages");
}
}
/**
* gimp_page_selector_get_n_pages:
* @selector: Pointer to a #GimpPageSelector.
*
* Returns: the number of pages in the document to open.
*
* Since: GIMP 2.4
**/
gint
gimp_page_selector_get_n_pages (GimpPageSelector *selector)
{
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector), 0);
return selector->n_pages;
}
/**
* gimp_page_selector_set_target:
* @selector: Pointer to a #GimpPageSelector.
* @target: How to open the selected pages.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_set_target (GimpPageSelector *selector,
GimpPageSelectorTarget target)
{
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
g_return_if_fail (target >= GIMP_PAGE_SELECTOR_TARGET_LAYERS &&
target <= GIMP_PAGE_SELECTOR_TARGET_IMAGES);
if (target != selector->target)
{
selector->target = target;
g_object_notify (G_OBJECT (selector), "target");
}
}
/**
* gimp_page_selector_get_target:
* @selector: Pointer to a #GimpPageSelector.
*
* Returns: How the selected pages should be opened.
*
* Since: GIMP 2.4
**/
GimpPageSelectorTarget
gimp_page_selector_get_target (GimpPageSelector *selector)
{
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector),
GIMP_PAGE_SELECTOR_TARGET_LAYERS);
return selector->target;
}
/**
* gimp_page_selector_set_page_thumbnail:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to set the thumbnail for.
* @thumbnail: The thumbnail pixbuf.
*
* Sets the thumbnail for given %page_no. A default "page" icon will
* be used if no page thumbnail is set.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_set_page_thumbnail (GimpPageSelector *selector,
gint page_no,
GdkPixbuf *thumbnail)
{
GtkTreeIter iter;
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
g_return_if_fail (page_no >= 0 && page_no < selector->n_pages);
g_return_if_fail (thumbnail == NULL || GDK_IS_PIXBUF (thumbnail));
if (! thumbnail)
thumbnail = selector->thumbnail;
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
gtk_list_store_set (selector->store, &iter,
COLUMN_THUMBNAIL, thumbnail,
-1);
}
/**
* gimp_page_selector_get_page_thumbnail:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to get the thumbnail for.
*
* Returns: The page's thumbnail, or %NULL if none is set. The returned
* pixbuf is owned by #GimpPageSelector and must not be
* unref'ed when no longer needed.
*
* Since: GIMP 2.4
**/
GdkPixbuf *
gimp_page_selector_get_page_thumbnail (GimpPageSelector *selector,
gint page_no)
{
GdkPixbuf *thumbnail;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector), NULL);
g_return_val_if_fail (page_no >= 0 && page_no < selector->n_pages, NULL);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
gtk_tree_model_get (GTK_TREE_MODEL (selector->store), &iter,
COLUMN_THUMBNAIL, &thumbnail,
-1);
if (thumbnail)
g_object_unref (thumbnail);
if (thumbnail == selector->thumbnail)
return NULL;
return thumbnail;
}
/**
* gimp_page_selector_set_page_label:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to set the label for.
* @label: The label.
*
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_set_page_label (GimpPageSelector *selector,
gint page_no,
const gchar *label)
{
GtkTreeIter iter;
gchar *tmp;
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
g_return_if_fail (page_no >= 0 && page_no < selector->n_pages);
if (! label)
tmp = g_strdup_printf (_("Page %d"), page_no + 1);
else
tmp = (gchar *) label;
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
gtk_list_store_set (selector->store, &iter,
COLUMN_LABEL, tmp,
COLUMN_LABEL_SET, label != NULL,
-1);
if (! label)
g_free (tmp);
}
/**
* gimp_page_selector_get_page_label:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to get the thumbnail for.
*
* Returns: The page's label, or %NULL if none is set. This is a newly
* allocated string that should be g_free()'d when no longer
* needed.
*
* Since: GIMP 2.4
**/
gchar *
gimp_page_selector_get_page_label (GimpPageSelector *selector,
gint page_no)
{
GtkTreeIter iter;
gchar *label;
gboolean label_set;
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector), NULL);
g_return_val_if_fail (page_no >= 0 && page_no < selector->n_pages, NULL);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
gtk_tree_model_get (GTK_TREE_MODEL (selector->store), &iter,
COLUMN_LABEL, &label,
COLUMN_LABEL_SET, &label_set,
-1);
if (! label_set)
{
g_free (label);
label = NULL;
}
return label;
}
/**
* gimp_page_selector_select_all:
* @selector: Pointer to a #GimpPageSelector.
*
* Selects all pages.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_select_all (GimpPageSelector *selector)
{
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
gtk_icon_view_select_all (GTK_ICON_VIEW (selector->view));
}
/**
* gimp_page_selector_unselect_all:
* @selector: Pointer to a #GimpPageSelector.
*
* Unselects all pages.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_unselect_all (GimpPageSelector *selector)
{
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
gtk_icon_view_unselect_all (GTK_ICON_VIEW (selector->view));
}
/**
* gimp_page_selector_select_page:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to select.
*
* Adds a page to the selection.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_select_page (GimpPageSelector *selector,
gint page_no)
{
GtkTreeIter iter;
GtkTreePath *path;
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
g_return_if_fail (page_no >= 0 && page_no < selector->n_pages);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (selector->store), &iter);
gtk_icon_view_select_path (GTK_ICON_VIEW (selector->view), path);
gtk_tree_path_free (path);
}
/**
* gimp_page_selector_unselect_page:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to unselect.
*
* Removes a page from the selection.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_unselect_page (GimpPageSelector *selector,
gint page_no)
{
GtkTreeIter iter;
GtkTreePath *path;
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
g_return_if_fail (page_no >= 0 && page_no < selector->n_pages);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (selector->store), &iter);
gtk_icon_view_unselect_path (GTK_ICON_VIEW (selector->view), path);
gtk_tree_path_free (path);
}
/**
* gimp_page_selector_page_is_selected:
* @selector: Pointer to a #GimpPageSelector.
* @page_no: The number of the page to check.
*
* Returns: %TRUE if the page is selected, %FALSE otherwise.
*
* Since: GIMP 2.4
**/
gboolean
gimp_page_selector_page_is_selected (GimpPageSelector *selector,
gint page_no)
{
GtkTreeIter iter;
GtkTreePath *path;
gboolean selected;
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector), FALSE);
g_return_val_if_fail (page_no >= 0 && page_no < selector->n_pages, FALSE);
gtk_tree_model_iter_nth_child (GTK_TREE_MODEL (selector->store),
&iter, NULL, page_no);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (selector->store), &iter);
selected = gtk_icon_view_path_is_selected (GTK_ICON_VIEW (selector->view),
path);
gtk_tree_path_free (path);
return selected;
}
/**
* gimp_page_selector_get_selected_pages:
* @selector: Pointer to a #GimpPageSelector.
* @n_selected_pages: Returns the number of selected pages.
*
* Returns: An array of page numbers of selected pages. Use g_free() if
* you don't need the array any longer.
*
* Since: GIMP 2.4
**/
gint *
gimp_page_selector_get_selected_pages (GimpPageSelector *selector,
gint *n_selected_pages)
{
GList *selected;
GList *list;
gint *array;
gint i;
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector), NULL);
g_return_val_if_fail (n_selected_pages != NULL, NULL);
selected = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (selector->view));
*n_selected_pages = g_list_length (selected);
array = g_new0 (gint, *n_selected_pages);
for (list = selected, i = 0; list; list = g_list_next (list), i++)
{
gint *indices = gtk_tree_path_get_indices (list->data);
array[i] = indices[0];
}
qsort (array, *n_selected_pages, sizeof (gint),
gimp_page_selector_int_compare);
g_list_foreach (selected, (GFunc) gtk_tree_path_free, NULL);
g_list_free (selected);
return array;
}
/**
* gimp_page_selector_select_range:
* @selector: Pointer to a #GimpPageSelector.
* @range: A string representing the set of selected pages.
*
* Selectes the pages described by %range. The range string is a
* user-editable list of pages and ranges, e.g. "1,3,5-7,9-12,14".
* Note that the page numbering in the range string starts with 1,
* not 0.
*
* Invalid pages and ranges will be silently ignored, duplicate and
* overlapping pages and ranges will be merged.
*
* Since: GIMP 2.4
**/
void
gimp_page_selector_select_range (GimpPageSelector *selector,
const gchar *range)
{
gchar **ranges;
g_return_if_fail (GIMP_IS_PAGE_SELECTOR (selector));
if (! range)
range = "";
g_signal_handlers_block_by_func (selector->view,
gimp_page_selector_selection_changed,
selector);
gimp_page_selector_unselect_all (selector);
ranges = g_strsplit (range, ",", -1);
if (ranges)
{
gint i;
for (i = 0; ranges[i] != NULL; i++)
{
gchar *range = g_strstrip (ranges[i]);
gchar *dash;
dash = strchr (range, '-');
if (dash)
{
gint page_from;
gint page_to;
if (sscanf (range, "%i", &page_from) == 1 &&
sscanf (dash + 1, "%i", &page_to) == 1 &&
page_from <= page_to &&
page_from <= selector->n_pages)
{
gint page_no;
page_from = MAX (page_from, 1) - 1;
page_to = MIN (page_to, selector->n_pages) - 1;
for (page_no = page_from; page_no <= page_to; page_no++)
gimp_page_selector_select_page (selector, page_no);
}
}
else
{
gint page_no;
if (sscanf (range, "%i", &page_no) == 1 &&
page_no >= 1 &&
page_no <= selector->n_pages)
{
gimp_page_selector_select_page (selector, page_no - 1);
}
}
}
g_strfreev (ranges);
}
g_signal_handlers_unblock_by_func (selector->view,
gimp_page_selector_selection_changed,
selector);
gimp_page_selector_selection_changed (GTK_ICON_VIEW (selector->view),
selector);
}
/**
* gimp_page_selector_get_selected_range:
* @selector: Pointer to a #GimpPageSelector.
*
* Returns: A newly allocated string representing the set of selected
* pages. See gimp_page_selector_set_selected_range() for the
* format of the string.
*
* Since: GIMP 2.4
**/
gchar *
gimp_page_selector_get_selected_range (GimpPageSelector *selector)
{
gint *pages;
gint n_pages;
GString *string;
g_return_val_if_fail (GIMP_IS_PAGE_SELECTOR (selector), NULL);
string = g_string_new ("");
pages = gimp_page_selector_get_selected_pages (selector, &n_pages);
if (pages)
{
gint range_start, range_end;
gint last_printed;
gint i;
range_start = pages[0];
range_end = pages[0];
last_printed = -1;
for (i = 1; i < n_pages; i++)
{
if (pages[i] > range_end + 1)
{
gimp_page_selector_print_range (string,
range_start, range_end);
last_printed = range_end;
range_start = pages[i];
}
range_end = pages[i];
}
if (range_end != last_printed)
gimp_page_selector_print_range (string, range_start, range_end);
g_free (pages);
}
return g_string_free (string, FALSE);
}
/* private functions */
static void
gimp_page_selector_selection_changed (GtkIconView *icon_view,
GimpPageSelector *selector)
{
gchar *range;
range = gimp_page_selector_get_selected_range (selector);
gtk_entry_set_text (GTK_ENTRY (selector->range_entry), range);
g_free (range);
gtk_editable_set_position (GTK_EDITABLE (selector->range_entry), -1);
g_signal_emit (selector, selector_signals[SELECTION_CHANGED], 0);
}
static gboolean
gimp_page_selector_range_focus_out (GtkEntry *entry,
GdkEventFocus *fevent,
GimpPageSelector *selector)
{
gimp_page_selector_range_activate (entry, selector);
return FALSE;
}
static void
gimp_page_selector_range_activate (GtkEntry *entry,
GimpPageSelector *selector)
{
gimp_page_selector_select_range (selector, gtk_entry_get_text (entry));
}
static gint
gimp_page_selector_int_compare (gconstpointer a,
gconstpointer b)
{
return *(gint*)a - *(gint*)b;
}
static void
gimp_page_selector_print_range (GString *string,
gint start,
gint end)
{
if (string->len != 0)
g_string_append_c (string, ',');
if (start == end)
g_string_append_printf (string, "%d", start + 1);
else
g_string_append_printf (string, "%d-%d", start + 1, end + 1);
}
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