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c00f1a96c8ee70fb064eac70d093b5a1df0ef70c
gtk3/gtk/gtkfilechoosernativequartz.c
John Ralls a2c54c739e [quartz] Ensure valid GdkWindowImplQuartz references. 
In case of an offscreen window find its onscreen embedder, and NULL
any GdkWindowImpl that's not quartz, checking all return values.

This replaces 16ded683, removing its unnecessary search_for_nearest
functions.

Any unchecked cast of a GdkWindowImpl to GdkWindowImplQuartz risks at
least getting an invalid member reference, not just the ones in
gdk_quartz_window_get_foo, and all calls to gdk_quartz_window_get_foo need
to be checked, not just Gtk's internal calls. The motivation was that
transient_for was getting set on a Gimp offscreen window and that caused a
crash in raise_transient.
2022-06-09 13:22:59 -07:00

595 lines
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/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
/* GTK - The GIMP Toolkit
* gtkfilechoosernativequartz.c: Quartz Native File selector dialog
* Copyright (C) 2017, Tom Schoonjans
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkfilechoosernativeprivate.h"
#include "gtknativedialogprivate.h"
#include "gtkprivate.h"
#include "gtkfilechooserdialog.h"
#include "gtkfilechooserprivate.h"
#include "gtkfilechooserwidget.h"
#include "gtkfilechooserwidgetprivate.h"
#include "gtkfilechooserutils.h"
#include "gtkfilechooserembed.h"
#include "gtkfilesystem.h"
#include "gtksizerequest.h"
#include "gtktypebuiltins.h"
#include "gtkintl.h"
#include "gtksettings.h"
#include "gtktogglebutton.h"
#include "gtkstylecontext.h"
#include "gtkheaderbar.h"
#include "gtklabel.h"
#include "gtkfilechooserentry.h"
#include "gtkfilefilterprivate.h"
#include <quartz/gdkquartz-cocoa-access.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
typedef struct {
GtkFileChooserNative *self;
NSSavePanel *panel;
NSWindow *parent;
NSWindow *key_window;
gboolean skip_response;
gboolean save;
gboolean folder;
gboolean create_folders;
gboolean modal;
gboolean overwrite_confirmation;
gboolean select_multiple;
gboolean show_hidden;
gboolean running;
char *accept_label;
char *cancel_label;
char *title;
char *message;
GFile *current_folder;
GFile *current_file;
char *current_name;
NSMutableArray *filters;
NSMutableArray *filter_names;
NSComboBox *filter_combo_box;
GSList *files;
int response;
} FileChooserQuartzData;
@interface FilterComboBox : NSObject<NSComboBoxDelegate>
{
FileChooserQuartzData *data;
}
- (id) initWithData:(FileChooserQuartzData *) quartz_data;
- (void)comboBoxSelectionDidChange:(NSNotification *)notification;
@end
@implementation FilterComboBox
- (id) initWithData:(FileChooserQuartzData *) quartz_data
{
[super init];
data = quartz_data;
return self;
}
- (void)comboBoxSelectionDidChange:(NSNotification *)notification
{
NSInteger selected_index = [data->filter_combo_box indexOfSelectedItem];
NSArray *filter = [data->filters objectAtIndex:selected_index];
// check for empty strings in filter -> indicates all filetypes should be allowed!
if ([filter containsObject:@""])
[data->panel setAllowedFileTypes:nil];
else
[data->panel setAllowedFileTypes:filter];
GSList *filters = gtk_file_chooser_list_filters (GTK_FILE_CHOOSER (data->self));
data->self->current_filter = g_slist_nth_data (filters, selected_index);
g_slist_free (filters);
g_object_notify (G_OBJECT (data->self), "filter");
}
@end
static GFile *
ns_url_to_g_file (NSURL *url)
{
if (url == nil)
{
return NULL;
}
return g_file_new_for_uri ([[url absoluteString] UTF8String]);
}
static GSList *
chooser_get_files (FileChooserQuartzData *data)
{
GSList *ret = NULL;
if (!data->save)
{
NSArray *urls;
gint i;
urls = [(NSOpenPanel *)data->panel URLs];
for (i = 0; i < [urls count]; i++)
{
NSURL *url;
url = (NSURL *)[urls objectAtIndex:i];
ret = g_slist_prepend (ret, ns_url_to_g_file (url));
}
}
else
{
GFile *file;
file = ns_url_to_g_file ([data->panel URL]);
if (file != NULL)
{
ret = g_slist_prepend (ret, file);
}
}
return g_slist_reverse (ret);
}
static void
chooser_set_current_folder (FileChooserQuartzData *data,
GFile *folder)
{
if (folder != NULL)
{
gchar *uri;
uri = g_file_get_uri (folder);
[data->panel setDirectoryURL:[NSURL URLWithString:[NSString stringWithUTF8String:uri]]];
g_free (uri);
}
}
static void
chooser_set_current_name (FileChooserQuartzData *data,
const gchar *name)
{
if (name != NULL)
[data->panel setNameFieldStringValue:[NSString stringWithUTF8String:name]];
}
static void
filechooser_quartz_data_free (FileChooserQuartzData *data)
{
if (data->filters)
{
[data->filters release];
}
if (data->filter_names)
{
[data->filter_names release];
}
g_clear_object (&data->current_folder);
g_clear_object (&data->current_file);
g_free (data->current_name);
g_slist_free_full (data->files, g_object_unref);
if (data->self)
g_object_unref (data->self);
g_free (data->accept_label);
g_free (data->cancel_label);
g_free (data->title);
g_free (data->message);
g_free (data);
}
@protocol CanSetAccessoryViewDisclosed
- (void)setAccessoryViewDisclosed:(BOOL)val;
@end
static gboolean
filechooser_quartz_launch (FileChooserQuartzData *data)
{
if (data->save)
{
if (data->folder)
{
NSOpenPanel *panel = [[NSOpenPanel openPanel] retain];
[panel setCanChooseDirectories:YES];
[panel setCanChooseFiles:NO];
[panel setCanCreateDirectories:YES];
data->panel = panel;
}
else
{
NSSavePanel *panel = [[NSSavePanel savePanel] retain];
if (data->create_folders)
{
[panel setCanCreateDirectories:YES];
}
else
{
[panel setCanCreateDirectories:NO];
}
data->panel = panel;
}
}
else
{
NSOpenPanel *panel = [[NSOpenPanel openPanel] retain];
if (data->select_multiple)
{
[panel setAllowsMultipleSelection:YES];
}
if (data->folder)
{
[panel setCanChooseDirectories:YES];
[panel setCanChooseFiles:NO];
}
else
{
[panel setCanChooseDirectories:NO];
[panel setCanChooseFiles:YES];
}
data->panel = panel;
}
[data->panel setReleasedWhenClosed:YES];
if (data->show_hidden)
{
[data->panel setShowsHiddenFiles:YES];
}
if (data->accept_label)
[data->panel setPrompt:[NSString stringWithUTF8String:data->accept_label]];
if (data->title)
[data->panel setTitle:[NSString stringWithUTF8String:data->title]];
if (data->message)
[data->panel setMessage:[NSString stringWithUTF8String:data->message]];
if (data->current_file)
{
GFile *folder;
gchar *name;
folder = g_file_get_parent (data->current_file);
name = g_file_get_basename (data->current_file);
chooser_set_current_folder (data, folder);
chooser_set_current_name (data, name);
g_object_unref (folder);
g_free (name);
}
if (data->current_folder)
{
chooser_set_current_folder (data, data->current_folder);
}
if (data->current_name)
{
chooser_set_current_name (data, data->current_name);
}
if (data->filters)
{
// when filters have been provided, a combobox needs to be added
data->filter_combo_box = [[NSComboBox alloc] initWithFrame:NSMakeRect(0.0, 0.0, 200, 20)];
[data->filter_combo_box addItemsWithObjectValues:data->filter_names];
[data->filter_combo_box setEditable:NO];
[data->filter_combo_box setDelegate:[[FilterComboBox alloc] initWithData:data]];
if (data->self->current_filter)
{
GSList *filters = gtk_file_chooser_list_filters (GTK_FILE_CHOOSER (data->self));
gint current_filter_index = g_slist_index (filters, data->self->current_filter);
g_slist_free (filters);
if (current_filter_index >= 0)
[data->filter_combo_box selectItemAtIndex:current_filter_index];
else
[data->filter_combo_box selectItemAtIndex:0];
}
else
{
[data->filter_combo_box selectItemAtIndex:0];
}
[data->filter_combo_box setToolTip:[NSString stringWithUTF8String:_("Select which types of files are shown")]];
[data->panel setAccessoryView:data->filter_combo_box];
if ([data->panel isKindOfClass:[NSOpenPanel class]] && [data->panel respondsToSelector:@selector(setAccessoryViewDisclosed:)])
{
[(id<CanSetAccessoryViewDisclosed>) data->panel setAccessoryViewDisclosed:YES];
}
}
data->response = GTK_RESPONSE_CANCEL;
void (^handler)(NSInteger ret) = ^(NSInteger result) {
if (result == NSFileHandlingPanelOKButton)
{
// get selected files and update data->files
data->response = GTK_RESPONSE_ACCEPT;
data->files = chooser_get_files (data);
}
GtkFileChooserNative *self = data->self;
self->mode_data = NULL;
if (data->parent)
{
[data->panel orderOut:nil];
[data->parent makeKeyAndOrderFront:nil];
}
else
{
[data->key_window makeKeyAndOrderFront:nil];
}
if (!data->skip_response)
{
g_slist_free_full (self->custom_files, g_object_unref);
self->custom_files = data->files;
data->files = NULL;
_gtk_native_dialog_emit_response (GTK_NATIVE_DIALOG (data->self),
data->response);
}
// free data!
filechooser_quartz_data_free (data);
};
if (data->parent != NULL && data->modal)
{
[data->panel beginSheetModalForWindow:data->parent completionHandler:handler];
}
else
{
[data->panel beginWithCompletionHandler:handler];
}
return TRUE;
}
static gchar *
strip_mnemonic (const gchar *s)
{
gchar *escaped;
gchar *ret = NULL;
if (s == NULL)
return NULL;
escaped = g_markup_escape_text (s, -1);
pango_parse_markup (escaped, -1, '_', NULL, &ret, NULL, NULL);
if (ret != NULL)
{
return ret;
}
else
{
return g_strdup (s);
}
}
static gboolean
file_filter_to_quartz (GtkFileFilter *file_filter,
NSMutableArray *filters,
NSMutableArray *filter_names)
{
const char *name;
NSArray *pattern_nsstrings;
pattern_nsstrings = _gtk_file_filter_get_as_pattern_nsstrings (file_filter);
if (pattern_nsstrings == NULL)
return FALSE;
name = gtk_file_filter_get_name (file_filter);
NSString *name_nsstring;
if (name == NULL)
{
name_nsstring = [pattern_nsstrings componentsJoinedByString:@","];;
}
else
{
name_nsstring = [NSString stringWithUTF8String:name];
[name_nsstring retain];
}
[filter_names addObject:name_nsstring];
[filters addObject:pattern_nsstrings];
return TRUE;
}
gboolean
gtk_file_chooser_native_quartz_show (GtkFileChooserNative *self)
{
FileChooserQuartzData *data;
GtkWindow *transient_for;
GtkFileChooserAction action;
guint update_preview_signal;
GSList *filters, *l;
int n_filters, i;
GtkWidget *extra_widget = NULL;
char *message = NULL;
/* Not supported before MacOS X 10.6 */
if (gdk_quartz_osx_version () < GDK_OSX_SNOW_LEOPARD)
return FALSE;
extra_widget = gtk_file_chooser_get_extra_widget (GTK_FILE_CHOOSER (self));
// if the extra_widget is a GtkLabel, then use its text to set the dialog message
if (extra_widget != NULL)
{
if (!GTK_IS_LABEL (extra_widget))
return FALSE;
else
message = g_strdup (gtk_label_get_text (GTK_LABEL (extra_widget)));
}
update_preview_signal = g_signal_lookup ("update-preview", GTK_TYPE_FILE_CHOOSER);
if (g_signal_has_handler_pending (self, update_preview_signal, 0, TRUE))
return FALSE;
data = g_new0 (FileChooserQuartzData, 1);
// examine filters!
filters = gtk_file_chooser_list_filters (GTK_FILE_CHOOSER (self));
n_filters = g_slist_length (filters);
if (n_filters > 0)
{
data->filters = [NSMutableArray arrayWithCapacity:n_filters];
[data->filters retain];
data->filter_names = [NSMutableArray arrayWithCapacity:n_filters];
[data->filter_names retain];
for (l = filters, i = 0; l != NULL; l = l->next, i++)
{
if (!file_filter_to_quartz (l->data, data->filters, data->filter_names))
{
filechooser_quartz_data_free (data);
return FALSE;
}
}
self->current_filter = gtk_file_chooser_get_filter (GTK_FILE_CHOOSER (self));
}
else
{
self->current_filter = NULL;
}
self->mode_data = data;
data->self = g_object_ref (self);
data->create_folders = gtk_file_chooser_get_create_folders (GTK_FILE_CHOOSER (self));
// shortcut_folder_uris support seems difficult if not impossible
// mnemonics are not supported on macOS, so remove the underscores
data->accept_label = strip_mnemonic (self->accept_label);
// cancel button is not present in macOS filechooser dialogs!
// data->cancel_label = strip_mnemonic (self->cancel_label);
action = gtk_file_chooser_get_action (GTK_FILE_CHOOSER (self->dialog));
if (action == GTK_FILE_CHOOSER_ACTION_SAVE ||
action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER)
data->save = TRUE;
if (action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER ||
action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER)
data->folder = TRUE;
if ((action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER ||
action == GTK_FILE_CHOOSER_ACTION_OPEN) &&
gtk_file_chooser_get_select_multiple (GTK_FILE_CHOOSER (self->dialog)))
data->select_multiple = TRUE;
// overwrite confirmation appears to be always on
if (gtk_file_chooser_get_do_overwrite_confirmation (GTK_FILE_CHOOSER (self->dialog)))
data->overwrite_confirmation = TRUE;
if (gtk_file_chooser_get_show_hidden (GTK_FILE_CHOOSER (self->dialog)))
data->show_hidden = TRUE;
transient_for = gtk_native_dialog_get_transient_for (GTK_NATIVE_DIALOG (self));
if (transient_for)
{
gtk_widget_realize (GTK_WIDGET (transient_for));
data->parent = gdk_quartz_window_get_nswindow (gtk_widget_get_window (GTK_WIDGET (transient_for)));
if (gtk_native_dialog_get_modal (GTK_NATIVE_DIALOG (self)))
data->modal = TRUE;
}
data->title =
g_strdup (gtk_native_dialog_get_title (GTK_NATIVE_DIALOG (self)));
data->message = message;
if (self->current_file)
data->current_file = g_object_ref (self->current_file);
else
{
if (self->current_folder)
data->current_folder = g_object_ref (self->current_folder);
if (action == GTK_FILE_CHOOSER_ACTION_SAVE ||
action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER)
data->current_name = g_strdup (self->current_name);
}
data->key_window = [NSApp keyWindow];
return filechooser_quartz_launch(data);
}
void
gtk_file_chooser_native_quartz_hide (GtkFileChooserNative *self)
{
FileChooserQuartzData *data = self->mode_data;
/* Not supported before MacOS X 10.6 */
if (gdk_quartz_osx_version () < GDK_OSX_SNOW_LEOPARD)
return;
/* This is always set while dialog visible */
g_assert (data != NULL);
data->skip_response = TRUE;
if (data->panel == NULL)
return;
[data->panel orderBack:nil];
[data->panel close];
if (data->parent)
{
[data->parent makeKeyAndOrderFront:nil];
}
else
{
[data->key_window makeKeyAndOrderFront:nil];
}
data->panel = NULL;
}
#endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= 1060 */
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