procyberian/gimp
2
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/gimp.git synced 2025-07-03 17:33:25 +00:00
Code Issues 1 Projects 1 Releases Packages Wiki Activity Actions
gimp/app/widgets/gimpfileprocview.c
Jehan 9ae7827f9b Issue #1160: file dialog view filter getting confused with file... 
... format selection.
As discussed, the first step is to get rid of the filter list. Our extra
widget now has both roles of filtering the file list and forcing a
loading procedure.
2018-07-25 15:31:25 +02:00

460 lines
13 KiB
C
Raw Blame History

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpfileprocview.c
* Copyright (C) 2004 Sven Neumann <sven@gimp.org>
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include <gegl.h>
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpmarshal.h"
#include "plug-in/gimppluginprocedure.h"
#include "gimpfileprocview.h"
#include "gimp-intl.h"
/* an arbitrary limit to keep the file dialog from becoming too wide */
#define MAX_EXTENSIONS 4
enum
{
COLUMN_PROC,
COLUMN_LABEL,
COLUMN_EXTENSIONS,
COLUMN_HELP_ID,
COLUMN_FILTER,
N_COLUMNS
};
enum
{
CHANGED,
LAST_SIGNAL
};
static void gimp_file_proc_view_finalize (GObject *object);
static void gimp_file_proc_view_selection_changed (GtkTreeSelection *selection,
GimpFileProcView *view);
static GtkFileFilter * gimp_file_proc_view_process_procedure (GimpPlugInProcedure *file_proc);
static gchar * gimp_file_proc_view_pattern_from_extension (const gchar *extension);
G_DEFINE_TYPE (GimpFileProcView, gimp_file_proc_view, GTK_TYPE_TREE_VIEW)
#define parent_class gimp_file_proc_view_parent_class
static guint view_signals[LAST_SIGNAL] = { 0 };
static void
gimp_file_proc_view_class_init (GimpFileProcViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gimp_file_proc_view_finalize;
klass->changed = NULL;
view_signals[CHANGED] = g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpFileProcViewClass,
changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
gimp_file_proc_view_init (GimpFileProcView *view)
{
}
static void
gimp_file_proc_view_finalize (GObject *object)
{
GimpFileProcView *view = GIMP_FILE_PROC_VIEW (object);
if (view->meta_extensions)
{
g_list_free_full (view->meta_extensions, (GDestroyNotify) g_free);
view->meta_extensions = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GtkWidget *
gimp_file_proc_view_new (Gimp *gimp,
GSList *procedures,
const gchar *automatic,
const gchar *automatic_help_id)
{
GtkTreeView *view;
GtkTreeViewColumn *column;
GtkCellRenderer *cell;
GtkListStore *store;
GSList *list;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
store = gtk_list_store_new (N_COLUMNS,
GIMP_TYPE_PLUG_IN_PROCEDURE, /* COLUMN_PROC */
G_TYPE_STRING, /* COLUMN_LABEL */
G_TYPE_STRING, /* COLUMN_EXTENSIONS */
G_TYPE_STRING, /* COLUMN_HELP_ID */
GTK_TYPE_FILE_FILTER); /* COLUMN_FILTER */
view = g_object_new (GIMP_TYPE_FILE_PROC_VIEW,
"model", store,
"rules-hint", TRUE,
NULL);
g_object_unref (store);
for (list = procedures; list; list = g_slist_next (list))
{
GimpPlugInProcedure *proc = list->data;
if (! proc->prefixes_list) /* skip URL loaders */
{
const gchar *label = gimp_procedure_get_label (GIMP_PROCEDURE (proc));
const gchar *help_id = gimp_procedure_get_help_id (GIMP_PROCEDURE (proc));
GSList *list2;
if (label)
{
GtkFileFilter *filter;
filter = gimp_file_proc_view_process_procedure (proc);
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COLUMN_PROC, proc,
COLUMN_LABEL, label,
COLUMN_EXTENSIONS, proc->extensions,
COLUMN_HELP_ID, help_id,
COLUMN_FILTER, filter,
-1);
}
for (list2 = proc->extensions_list;
list2;
list2 = g_slist_next (list2))
{
GimpFileProcView *proc_view = GIMP_FILE_PROC_VIEW (view);
const gchar *ext = list2->data;
const gchar *dot = strchr (ext, '.');
if (dot && dot != ext)
proc_view->meta_extensions =
g_list_append (proc_view->meta_extensions,
g_strdup (dot + 1));
}
}
}
if (automatic)
{
GtkFileFilter *filter = gtk_file_filter_new ();
gtk_list_store_prepend (store, &iter);
gtk_file_filter_set_name (filter, _("All files"));
gtk_file_filter_add_pattern (filter, "*");
gtk_list_store_set (store, &iter,
COLUMN_PROC, NULL,
COLUMN_LABEL, automatic,
COLUMN_HELP_ID, automatic_help_id,
COLUMN_FILTER, filter,
-1);
}
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, _("File Type"));
gtk_tree_view_column_set_expand (column, TRUE);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, cell, TRUE);
gtk_tree_view_column_set_attributes (column, cell,
"text", COLUMN_LABEL,
NULL);
gtk_tree_view_append_column (view, column);
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, _("Extensions"));
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, cell, TRUE);
gtk_tree_view_column_set_attributes (column, cell,
"text", COLUMN_EXTENSIONS,
NULL);
gtk_tree_view_append_column (view, column);
g_signal_connect (gtk_tree_view_get_selection (view), "changed",
G_CALLBACK (gimp_file_proc_view_selection_changed),
view);
return GTK_WIDGET (view);
}
GimpPlugInProcedure *
gimp_file_proc_view_get_proc (GimpFileProcView *view,
gchar **label,
GtkFileFilter **filter)
{
GtkTreeModel *model;
GtkTreeSelection *selection;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
GimpPlugInProcedure *proc;
if (label && filter)
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &proc,
COLUMN_LABEL, label,
COLUMN_FILTER, filter,
-1);
else if (label)
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &proc,
COLUMN_LABEL, label,
-1);
else if (filter)
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &proc,
COLUMN_FILTER, filter,
-1);
else
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &proc,
-1);
if (proc)
g_object_unref (proc);
return proc;
}
if (label)
*label = NULL;
return NULL;
}
gboolean
gimp_file_proc_view_set_proc (GimpFileProcView *view,
GimpPlugInProcedure *proc)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean iter_valid;
g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), FALSE);
model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
GimpPlugInProcedure *this;
gtk_tree_model_get (model, &iter,
COLUMN_PROC, &this,
-1);
if (this)
g_object_unref (this);
if (this == proc)
break;
}
if (iter_valid)
{
GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
gtk_tree_selection_select_iter (selection, &iter);
}
return iter_valid;
}
gchar *
gimp_file_proc_view_get_help_id (GimpFileProcView *view)
{
GtkTreeModel *model;
GtkTreeSelection *selection;
GtkTreeIter iter;
g_return_val_if_fail (GIMP_IS_FILE_PROC_VIEW (view), NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
gchar *help_id;
gtk_tree_model_get (model, &iter,
COLUMN_HELP_ID, &help_id,
-1);
return help_id;
}
return NULL;
}
static void
gimp_file_proc_view_selection_changed (GtkTreeSelection *selection,
GimpFileProcView *view)
{
g_signal_emit (view, view_signals[CHANGED], 0);
}
/**
* gimp_file_proc_view_process_procedure:
* @file_proc:
*
* Creates a #GtkFileFilter of @file_proc.
* The returned #GtkFileFilter has a normal ref and must be unreffed
* when used.
**/
static GtkFileFilter *
gimp_file_proc_view_process_procedure (GimpPlugInProcedure *file_proc)
{
GtkFileFilter *filter;
GString *str;
GSList *list;
gint i;
if (! file_proc->extensions_list)
return NULL;
filter = gtk_file_filter_new ();
str = g_string_new (gimp_procedure_get_label (GIMP_PROCEDURE (file_proc)));
/* Take ownership directly so we don't have to mess with a floating
* ref
*/
g_object_ref_sink (filter);
for (list = file_proc->mime_types_list; list; list = g_slist_next (list))
{
const gchar *mime_type = list->data;
gtk_file_filter_add_mime_type (filter, mime_type);
}
for (list = file_proc->extensions_list, i = 0;
list;
list = g_slist_next (list), i++)
{
const gchar *extension = list->data;
gchar *pattern;
pattern = gimp_file_proc_view_pattern_from_extension (extension);
gtk_file_filter_add_pattern (filter, pattern);
g_free (pattern);
if (i == 0)
{
g_string_append (str, " (");
}
else if (i <= MAX_EXTENSIONS)
{
g_string_append (str, ", ");
}
if (i < MAX_EXTENSIONS)
{
g_string_append (str, "*.");
g_string_append (str, extension);
}
else if (i == MAX_EXTENSIONS)
{
g_string_append (str, "...");
}
if (! list->next)
{
g_string_append (str, ")");
}
}
gtk_file_filter_set_name (filter, str->str);
g_string_free (str, TRUE);
return filter;
}
static gchar *
gimp_file_proc_view_pattern_from_extension (const gchar *extension)
{
gchar *pattern;
gchar *p;
gint len, i;
g_return_val_if_fail (extension != NULL, NULL);
/* This function assumes that file extensions are 7bit ASCII. It
* could certainly be rewritten to handle UTF-8 if this assumption
* turns out to be incorrect.
*/
len = strlen (extension);
pattern = g_new (gchar, 4 + 4 * len);
strcpy (pattern, "*.");
for (i = 0, p = pattern + 2; i < len; i++, p+= 4)
{
p[0] = '[';
p[1] = g_ascii_tolower (extension[i]);
p[2] = g_ascii_toupper (extension[i]);
p[3] = ']';
}
*p = '\0';
return pattern;
}
Reference in a new issue View git blame Copy permalink