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gimp/libgimp/gimpprocbrowserdialog.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpprocbrowserdialog.c
*
* 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.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "gimp.h"
#include "gimpuitypes.h"
#include "gimpprocbrowserdialog.h"
#include "gimpprocview.h"
#include "libgimp-intl.h"
#define DBL_LIST_WIDTH 250
#define DBL_WIDTH (DBL_LIST_WIDTH + 400)
#define DBL_HEIGHT 250
enum
{
SELECTION_CHANGED,
ROW_ACTIVATED,
LAST_SIGNAL
};
typedef enum
{
SEARCH_TYPE_ALL,
SEARCH_TYPE_NAME,
SEARCH_TYPE_BLURB,
SEARCH_TYPE_HELP,
SEARCH_TYPE_AUTHOR,
SEARCH_TYPE_COPYRIGHT,
SEARCH_TYPE_DATE,
SEARCH_TYPE_PROC_TYPE
} SearchType;
enum
{
COLUMN_PROC_NAME,
N_COLUMNS
};
static void browser_selection_changed (GtkTreeSelection *sel,
GimpProcBrowserDialog *dialog);
static void browser_row_activated (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
GimpProcBrowserDialog *dialog);
static void browser_show_procedure (GimpProcBrowserDialog *dialog,
const gchar *proc_name);
static void browser_search (GimpBrowser *browser,
const gchar *query_text,
gint search_type,
GimpProcBrowserDialog *dialog);
G_DEFINE_TYPE (GimpProcBrowserDialog, gimp_proc_browser_dialog,
GIMP_TYPE_DIALOG)
#define parent_class gimp_proc_browser_dialog_parent_class
static guint dialog_signals[LAST_SIGNAL] = { 0, };
static void
gimp_proc_browser_dialog_class_init (GimpProcBrowserDialogClass *klass)
{
/**
* GimpProcBrowserDialog::selection-changed:
* @dialog: the object that received the signal
*
* Emitted when the selection in the contained #GtkTreeView changes.
*/
dialog_signals[SELECTION_CHANGED] =
g_signal_new ("selection-changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpProcBrowserDialogClass,
selection_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* GimpProcBrowserDialog::row-activated:
* @dialog: the object that received the signal
*
* Emitted when one of the rows in the contained #GtkTreeView is activated.
*/
dialog_signals[ROW_ACTIVATED] =
g_signal_new ("row-activated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpProcBrowserDialogClass,
row_activated),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
klass->selection_changed = NULL;
klass->row_activated = NULL;
}
static void
gimp_proc_browser_dialog_init (GimpProcBrowserDialog *dialog)
{
GtkWidget *scrolled_window;
GtkCellRenderer *renderer;
GtkTreeSelection *selection;
dialog->browser = gimp_browser_new ();
gimp_browser_add_search_types (GIMP_BROWSER (dialog->browser),
_("by name"), SEARCH_TYPE_NAME,
_("by description"), SEARCH_TYPE_BLURB,
_("by help"), SEARCH_TYPE_HELP,
_("by author"), SEARCH_TYPE_AUTHOR,
_("by copyright"), SEARCH_TYPE_COPYRIGHT,
_("by date"), SEARCH_TYPE_DATE,
_("by type"), SEARCH_TYPE_PROC_TYPE,
NULL);
gtk_container_set_border_width (GTK_CONTAINER (dialog->browser), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox),
dialog->browser);
gtk_widget_show (dialog->browser);
g_signal_connect (dialog->browser, "search",
G_CALLBACK (browser_search),
dialog);
/* list : list in a scrolled_win */
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_ALWAYS);
gtk_box_pack_start (GTK_BOX (GIMP_BROWSER (dialog->browser)->left_vbox),
scrolled_window, TRUE, TRUE, 0);
gtk_widget_show (scrolled_window);
dialog->tree_view = gtk_tree_view_new ();
renderer = gtk_cell_renderer_text_new ();
gtk_cell_renderer_text_set_fixed_height_from_font
(GTK_CELL_RENDERER_TEXT (renderer), 1);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (dialog->tree_view),
-1, NULL,
renderer,
"text", 0,
NULL);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (dialog->tree_view), FALSE);
g_signal_connect (dialog->tree_view, "row_activated",
G_CALLBACK (browser_row_activated),
dialog);
gtk_widget_set_size_request (dialog->tree_view, DBL_LIST_WIDTH, DBL_HEIGHT);
gtk_container_add (GTK_CONTAINER (scrolled_window), dialog->tree_view);
gtk_widget_show (dialog->tree_view);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->tree_view));
g_signal_connect (selection, "changed",
G_CALLBACK (browser_selection_changed),
dialog);
gtk_widget_set_size_request (GIMP_BROWSER (dialog->browser)->right_vbox->parent->parent,
DBL_WIDTH - DBL_LIST_WIDTH, -1);
}
/* public functions */
/**
* gimp_proc_browser_dialog_new:
* @title: The dialog's title.
* @role: The dialog's role, see gtk_window_set_role().
* @help_func: The function which will be called if the user presses "F1".
* @help_id: The help_id which will be passed to @help_func.
* @...: A %NULL-terminated list destribing the action_area buttons.
*
* Create a new #GimpProcBrowserDialog.
*
* Return Value: a newly created #GimpProcBrowserDialog.
*
* Since: GIMP 2.4
**/
GtkWidget *
gimp_proc_browser_dialog_new (const gchar *title,
const gchar *role,
GimpHelpFunc help_func,
const gchar *help_id,
...)
{
GimpProcBrowserDialog *dialog;
va_list args;
va_start (args, help_id);
dialog = g_object_new (GIMP_TYPE_PROC_BROWSER_DIALOG,
"title", title,
"role", role,
"help-func", help_func,
"help-id", help_id,
NULL);
gimp_dialog_add_buttons_valist (GIMP_DIALOG (dialog), args);
va_end (args);
/* first search (all procedures) */
browser_search (GIMP_BROWSER (dialog->browser), "", SEARCH_TYPE_ALL, dialog);
return GTK_WIDGET (dialog);
}
/**
* gimp_proc_browser_dialog_get_selected:
* @dialog: a #GimpProcBrowserDialog
*
* Retrieves the name of the currently selected procedure.
*
* Return Value: The name of the selected procedure of %NULL if no
* procedure is selected.
*
* Since: GIMP 2.4
**/
gchar *
gimp_proc_browser_dialog_get_selected (GimpProcBrowserDialog *dialog)
{
GtkTreeSelection *sel;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_PROC_BROWSER_DIALOG (dialog), NULL);
sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->tree_view));
if (gtk_tree_selection_get_selected (sel, NULL, &iter))
{
gchar *proc_name;
gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
COLUMN_PROC_NAME, &proc_name,
-1);
return proc_name;
}
return NULL;
}
/* private functions */
static void
browser_selection_changed (GtkTreeSelection *sel,
GimpProcBrowserDialog *dialog)
{
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (sel, NULL, &iter))
{
gchar *proc_name;
gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
COLUMN_PROC_NAME, &proc_name,
-1);
browser_show_procedure (dialog, proc_name);
g_free (proc_name);
}
g_signal_emit (dialog, dialog_signals[SELECTION_CHANGED], 0);
}
static void
browser_row_activated (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
GimpProcBrowserDialog *dialog)
{
g_signal_emit (dialog, dialog_signals[ROW_ACTIVATED], 0);
}
static void
browser_show_procedure (GimpProcBrowserDialog *dialog,
const gchar *proc_name)
{
gchar *proc_blurb;
gchar *proc_help;
gchar *proc_author;
gchar *proc_copyright;
gchar *proc_date;
GimpPDBProcType proc_type;
gint n_params;
gint n_return_vals;
GimpParamDef *params;
GimpParamDef *return_vals;
gimp_procedural_db_proc_info (proc_name,
&proc_blurb,
&proc_help,
&proc_author,
&proc_copyright,
&proc_date,
&proc_type,
&n_params,
&n_return_vals,
&params,
&return_vals);
gimp_browser_set_widget (GIMP_BROWSER (dialog->browser),
gimp_proc_view_new (proc_name,
NULL,
proc_blurb,
proc_help,
proc_author,
proc_copyright,
proc_date,
proc_type,
n_params,
n_return_vals,
params,
return_vals));
g_free (proc_blurb);
g_free (proc_help);
g_free (proc_author);
g_free (proc_copyright);
g_free (proc_date);
gimp_destroy_paramdefs (params, n_params);
gimp_destroy_paramdefs (return_vals, n_return_vals);
}
static void
browser_search (GimpBrowser *browser,
const gchar *query_text,
gint search_type,
GimpProcBrowserDialog *dialog)
{
gchar **proc_list;
gint num_procs;
gchar *str;
GRegex *regex;
/* first check if the query is a valid regex */
regex = g_regex_new (query_text, 0, 0, NULL);
if (! regex)
{
gtk_tree_view_set_model (GTK_TREE_VIEW (dialog->tree_view), NULL);
dialog->store = NULL;
gimp_browser_show_message (browser,
_("Search term invalid or incomplete"));
return;
}
g_regex_unref (regex);
switch (search_type)
{
case SEARCH_TYPE_ALL:
gimp_browser_show_message (browser, _("Searching"));
gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
break;
case SEARCH_TYPE_NAME:
{
GString *query = g_string_new ("");
const gchar *q = query_text;
gimp_browser_show_message (browser, _("Searching by name"));
while (*q)
{
if ((*q == '_') || (*q == '-'))
g_string_append (query, "-");
else
g_string_append_c (query, *q);
q++;
}
gimp_procedural_db_query (query->str,
".*", ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
g_string_free (query, TRUE);
}
break;
case SEARCH_TYPE_BLURB:
gimp_browser_show_message (browser, _("Searching by description"));
gimp_procedural_db_query (".*", query_text, ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
break;
case SEARCH_TYPE_HELP:
gimp_browser_show_message (browser, _("Searching by help"));
gimp_procedural_db_query (".*", ".*", query_text, ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
break;
case SEARCH_TYPE_AUTHOR:
gimp_browser_show_message (browser, _("Searching by author"));
gimp_procedural_db_query (".*", ".*", ".*", query_text, ".*", ".*", ".*",
&num_procs, &proc_list);
break;
case SEARCH_TYPE_COPYRIGHT:
gimp_browser_show_message (browser, _("Searching by copyright"));
gimp_procedural_db_query (".*", ".*", ".*", ".*", query_text, ".*", ".*",
&num_procs, &proc_list);
break;
case SEARCH_TYPE_DATE:
gimp_browser_show_message (browser, _("Searching by date"));
gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", query_text, ".*",
&num_procs, &proc_list);
break;
case SEARCH_TYPE_PROC_TYPE:
gimp_browser_show_message (browser, _("Searching by type"));
gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", ".*", query_text,
&num_procs, &proc_list);
break;
}
if (! query_text || strlen (query_text) == 0)
{
str = g_strdup_printf (dngettext (GETTEXT_PACKAGE "-libgimp",
"%d procedure",
"%d procedures",
num_procs), num_procs);
}
else
{
switch (num_procs)
{
case 0:
str = g_strdup (_("No matches for your query"));
break;
default:
str = g_strdup_printf (dngettext (GETTEXT_PACKAGE "-libgimp",
"%d procedure matches your query",
"%d procedures match your query",
num_procs), num_procs);
break;
}
}
gtk_label_set_text (GTK_LABEL (browser->count_label), str);
g_free (str);
if (num_procs > 0)
{
GtkTreeSelection *selection;
GtkTreeIter iter;
gint i;
dialog->store = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING);
gtk_tree_view_set_model (GTK_TREE_VIEW (dialog->tree_view),
GTK_TREE_MODEL (dialog->store));
g_object_unref (dialog->store);
for (i = 0; i < num_procs; i++)
{
gtk_list_store_append (dialog->store, &iter);
gtk_list_store_set (dialog->store, &iter,
COLUMN_PROC_NAME, proc_list[i],
-1);
g_free (proc_list[i]);
}
g_free (proc_list);
gtk_tree_view_columns_autosize (GTK_TREE_VIEW (dialog->tree_view));
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (dialog->store),
COLUMN_PROC_NAME,
GTK_SORT_ASCENDING);
gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->tree_view));
gtk_tree_selection_select_iter (selection, &iter);
}
else
{
gtk_tree_view_set_model (GTK_TREE_VIEW (dialog->tree_view), NULL);
dialog->store = NULL;
gimp_browser_show_message (browser, _("No matches"));
}
}
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