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gimp/libgimp/gimpprocbrowserdialog.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* dbbrowser_utils.c
* 0.08 26th sept 97 by Thomas NOEL <thomas@minet.net>
*
* 98/12/13 Sven Neumann <sven@gimp.org> : added help display
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "gimpprocbox.h"
#include "gimpprocbrowser.h"
#include "gimpprocview.h"
#include "libgimp/stdplugins-intl.h"
#define RESPONSE_SEARCH 1
#define RESPONSE_SEARCH_NAME 2
#define RESPONSE_SEARCH_BLURB 3
#define DBL_LIST_WIDTH 250
#define DBL_WIDTH (DBL_LIST_WIDTH + 400)
#define DBL_HEIGHT 250
enum
{
COLUMN_LABEL,
COLUMN_PROC_NAME,
N_COLUMNS
};
typedef struct
{
GtkWidget *dialog;
GtkWidget *count_label;
GtkWidget *search_entry;
GtkWidget *proc_box;
GtkListStore *store;
GtkWidget *tv;
GtkTreeSelection *sel;
/* the currently selected procedure */
gchar *proc_name;
gchar *scheme_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;
GimpProcBrowserApplyCallback apply_callback;
} GimpDBBrowser;
/* local function prototypes */
static void browser_response (GtkWidget *widget,
gint response_id,
GimpDBBrowser *browser);
static void browser_selection_changed (GtkTreeSelection *sel,
GimpDBBrowser *browser);
static void browser_row_activated (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
GimpDBBrowser *browser);
static void browser_show_procedure (GimpDBBrowser *browser,
gchar *proc_name);
static void browser_convert_string (gchar *str);
/* public functions */
GtkWidget *
gimp_proc_browser_dialog_new (GimpProcBrowserApplyCallback apply_callback)
{
GimpDBBrowser *browser;
GtkWidget *paned;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *scrolled_window;
GtkCellRenderer *renderer;
browser = g_new0 (GimpDBBrowser, 1);
browser->apply_callback = apply_callback;
if (apply_callback)
{
browser->dialog =
gimp_dialog_new (_("Procedure Browser"), "dbbrowser",
NULL, 0,
gimp_standard_help_func, "plug-in-db-browser",
_("Search by _Name"), RESPONSE_SEARCH_NAME,
_("Search by _Blurb"), RESPONSE_SEARCH_BLURB,
GTK_STOCK_APPLY, GTK_RESPONSE_APPLY,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
}
else
{
browser->dialog =
gimp_dialog_new (_("Procedure Browser"), "dbbrowser",
NULL, 0,
gimp_standard_help_func, "plug-in-db-browser",
_("Search by _Name"), RESPONSE_SEARCH_NAME,
_("Search by _Blurb"), RESPONSE_SEARCH_BLURB,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
}
gtk_dialog_set_default_response (GTK_DIALOG (browser->dialog),
RESPONSE_SEARCH_NAME);
g_signal_connect (browser->dialog, "response",
G_CALLBACK (browser_response),
browser);
/* paned : left=list ; right=description */
paned = gtk_hpaned_new ();
gtk_container_set_border_width (GTK_CONTAINER (paned), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (browser->dialog)->vbox),
paned);
gtk_widget_show (paned);
/* left = vbox : the list and the search entry */
vbox = gtk_vbox_new (FALSE, 6);
gtk_paned_pack1 (GTK_PANED (paned), vbox, FALSE, TRUE);
gtk_widget_show (vbox);
browser->count_label = gtk_label_new ("0 Procedures");
gtk_misc_set_alignment (GTK_MISC (browser->count_label), 0.0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox), browser->count_label, FALSE, FALSE, 0);
gtk_widget_show (browser->count_label);
/* 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 (vbox), scrolled_window, TRUE, TRUE, 0);
gtk_widget_show (scrolled_window);
browser->tv = 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 (browser->tv),
-1, NULL,
renderer,
"text", 0,
NULL);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (browser->tv), FALSE);
if (apply_callback)
g_signal_connect (browser->tv, "row_activated",
G_CALLBACK (browser_row_activated),
browser);
gtk_widget_set_size_request (browser->tv, DBL_LIST_WIDTH, DBL_HEIGHT);
gtk_container_add (GTK_CONTAINER (scrolled_window), browser->tv);
gtk_widget_show (browser->tv);
browser->sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (browser->tv));
g_signal_connect (browser->sel, "changed",
G_CALLBACK (browser_selection_changed),
browser);
/* search entry */
hbox = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new_with_mnemonic (_("_Search:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
browser->search_entry = gtk_entry_new ();
gtk_entry_set_activates_default (GTK_ENTRY (browser->search_entry), TRUE);
gtk_box_pack_start (GTK_BOX (hbox), browser->search_entry, TRUE, TRUE, 0);
gtk_widget_show (browser->search_entry);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), browser->search_entry);
/* right = description */
browser->proc_box = gimp_proc_box_new ();
gtk_widget_set_size_request (browser->proc_box,
DBL_WIDTH - DBL_LIST_WIDTH, -1);
gtk_paned_pack2 (GTK_PANED (paned), browser->proc_box, TRUE, TRUE);
gtk_widget_show (browser->proc_box);
/* now build the list */
gtk_widget_show (browser->dialog);
/* initialize the "return" value (for "apply") */
browser->proc_name = NULL;
browser->scheme_proc_name = NULL;
browser->proc_blurb = NULL;
browser->proc_help = NULL;
browser->proc_author = NULL;
browser->proc_copyright = NULL;
browser->proc_date = NULL;
browser->proc_type = 0;
browser->n_params = 0;
browser->n_return_vals = 0;
browser->params = NULL;
browser->return_vals = NULL;
/* first search (all procedures) */
browser_response (browser->dialog, RESPONSE_SEARCH, browser);
gtk_widget_grab_focus (browser->search_entry);
return browser->dialog;
}
/* private functions */
static void
browser_selection_changed (GtkTreeSelection *sel,
GimpDBBrowser *browser)
{
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (sel, NULL, &iter))
{
gchar *proc_name;
gtk_tree_model_get (GTK_TREE_MODEL (browser->store), &iter,
COLUMN_PROC_NAME, &proc_name,
-1);
browser_show_procedure (browser, proc_name);
g_free (proc_name);
}
}
static void
browser_row_activated (GtkTreeView *treeview,
GtkTreePath *path,
GtkTreeViewColumn *column,
GimpDBBrowser *browser)
{
browser_response (browser->dialog, GTK_RESPONSE_APPLY, browser);
}
static void
browser_show_procedure (GimpDBBrowser *browser,
gchar *proc_name)
{
g_free (browser->proc_name);
browser->proc_name = g_strdup (proc_name);
g_free (browser->scheme_proc_name);
browser->scheme_proc_name = g_strdup (proc_name);
browser_convert_string (browser->scheme_proc_name);
g_free (browser->proc_blurb);
g_free (browser->proc_help);
g_free (browser->proc_author);
g_free (browser->proc_copyright);
g_free (browser->proc_date);
gimp_destroy_paramdefs (browser->params, browser->n_params);
gimp_destroy_paramdefs (browser->return_vals, browser->n_return_vals);
gimp_procedural_db_proc_info (proc_name,
&browser->proc_blurb,
&browser->proc_help,
&browser->proc_author,
&browser->proc_copyright,
&browser->proc_date,
&browser->proc_type,
&browser->n_params,
&browser->n_return_vals,
&browser->params,
&browser->return_vals);
gimp_proc_box_set_widget (browser->proc_box,
gimp_proc_view_new (browser->scheme_proc_name,
NULL,
browser->proc_blurb,
browser->proc_help,
browser->proc_author,
browser->proc_copyright,
browser->proc_date,
browser->proc_type,
browser->n_params,
browser->n_return_vals,
browser->params,
browser->return_vals));
}
static void
browser_response (GtkWidget *widget,
gint response_id,
GimpDBBrowser *browser)
{
switch (response_id)
{
case GTK_RESPONSE_APPLY:
browser->apply_callback (browser->proc_name,
browser->scheme_proc_name,
browser->proc_blurb,
browser->proc_help,
browser->proc_author,
browser->proc_copyright,
browser->proc_date,
browser->proc_type,
browser->n_params,
browser->n_return_vals,
browser->params,
browser->return_vals);
break;
case RESPONSE_SEARCH:
case RESPONSE_SEARCH_NAME:
case RESPONSE_SEARCH_BLURB:
{
gchar **proc_list;
gint num_procs;
gchar *str;
gint i;
const gchar *query_text;
GString *query;
GtkTreeIter iter;
gtk_tree_view_set_model (GTK_TREE_VIEW (browser->tv), NULL);
/* search */
if (response_id == RESPONSE_SEARCH_NAME)
{
gimp_proc_box_show_message (browser->proc_box,
_("Searching by name - please wait"));
query = g_string_new ("");
query_text = gtk_entry_get_text (GTK_ENTRY (browser->search_entry));
while (*query_text)
{
if ((*query_text == '_') || (*query_text == '-'))
g_string_append (query, "[-_]");
else
g_string_append_c (query, *query_text);
query_text++;
}
gimp_procedural_db_query (query->str,
".*", ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
g_string_free (query, TRUE);
}
else if (response_id == RESPONSE_SEARCH_BLURB)
{
gimp_proc_box_show_message (browser->proc_box,
_("Searching by blurb - please wait"));
gimp_procedural_db_query (".*",
(gchar *) gtk_entry_get_text
(GTK_ENTRY (browser->search_entry)),
".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
}
else
{
gimp_proc_box_show_message (browser->proc_box,
_("Searching - please wait"));
gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
}
if (num_procs == 1)
str = g_strdup (_("1 Procedure"));
else
str = g_strdup_printf (_("%d Procedures"), num_procs);
gtk_label_set_text (GTK_LABEL (browser->count_label), str);
g_free (str);
browser->store = gtk_list_store_new (N_COLUMNS,
G_TYPE_STRING,
G_TYPE_STRING);
gtk_tree_view_set_model (GTK_TREE_VIEW (browser->tv),
GTK_TREE_MODEL (browser->store));
g_object_unref (browser->store);
for (i = 0; i < num_procs; i++)
{
gchar *label;
label = g_strdup (proc_list[i]);
browser_convert_string (label);
gtk_list_store_append (browser->store, &iter);
gtk_list_store_set (browser->store, &iter,
COLUMN_LABEL, label,
COLUMN_PROC_NAME, proc_list[i],
-1);
g_free (label);
g_free (proc_list[i]);
}
g_free (proc_list);
gtk_tree_view_columns_autosize (GTK_TREE_VIEW (browser->tv));
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (browser->store),
COLUMN_LABEL, GTK_SORT_ASCENDING);
if (num_procs > 0)
{
gtk_tree_model_get_iter_root (GTK_TREE_MODEL (browser->store),
&iter);
gtk_tree_selection_select_iter (browser->sel, &iter);
}
else
{
gimp_proc_box_show_message (browser->proc_box, _("No matches"));
}
}
break;
default:
if (browser->apply_callback)
{
/* we are called by another application:
* just destroy the dialog box
*/
gtk_widget_destroy (browser->dialog);
}
else
{
/* we are in the plug_in:
* quit the gtk application
*/
gtk_main_quit ();
}
break;
}
}
static void
browser_convert_string (gchar *str)
{
while (*str)
{
if (*str == '_')
*str = '-';
str++;
}
}
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