374 lines
12 KiB
C
374 lines
12 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* busy-dialog.c
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* Copyright (C) 2018 Ell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <libpika/pika.h>
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#include <libpika/pikaui.h>
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#include "libpika/stdplugins-intl.h"
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#define PLUG_IN_PROC "plug-in-busy-dialog"
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#define PLUG_IN_BINARY "busy-dialog"
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#define PLUG_IN_ROLE "pika-busy-dialog"
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typedef struct
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{
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GIOChannel *read_channel;
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GIOChannel *write_channel;
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} Context;
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typedef struct _BusyDialog BusyDialog;
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typedef struct _BusyDialogClass BusyDialogClass;
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struct _BusyDialog
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{
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PikaPlugIn parent_instance;
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};
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struct _BusyDialogClass
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{
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PikaPlugInClass parent_class;
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};
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#define BUSY_DIALOG_TYPE (busy_dialog_get_type ())
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#define BUSY_DIALOG (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), BUSY_DIALOG_TYPE, BusyDialog))
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GType busy_dialog_get_type (void) G_GNUC_CONST;
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static GList * busy_dialog_query_procedures (PikaPlugIn *plug_in);
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static PikaProcedure * busy_dialog_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * busy_dialog_run (PikaProcedure *procedure,
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const PikaValueArray *args,
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gpointer run_data);
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static PikaPDBStatusType busy_dialog (gint read_fd,
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gint write_fd,
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const gchar *message,
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gboolean cancelable);
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static gboolean busy_dialog_read_channel_notify (GIOChannel *source,
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GIOCondition condition,
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Context *context);
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static gboolean busy_dialog_delete_event (GtkDialog *dialog,
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GdkEvent *event,
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Context *context);
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static void busy_dialog_response (GtkDialog *dialog,
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gint response_id,
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Context *context);
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G_DEFINE_TYPE (BusyDialog, busy_dialog, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (BUSY_DIALOG_TYPE)
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DEFINE_STD_SET_I18N
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static void
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busy_dialog_class_init (BusyDialogClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass);
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plug_in_class->query_procedures = busy_dialog_query_procedures;
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plug_in_class->create_procedure = busy_dialog_create_procedure;
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plug_in_class->set_i18n = STD_SET_I18N;
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}
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static void
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busy_dialog_init (BusyDialog *busy_dialog)
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{
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}
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static GList *
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busy_dialog_query_procedures (PikaPlugIn *plug_in)
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{
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return g_list_append (NULL, g_strdup (PLUG_IN_PROC));
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}
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static PikaProcedure *
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busy_dialog_create_procedure (PikaPlugIn *plug_in,
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const gchar *name)
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{
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PikaProcedure *procedure = NULL;
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if (! strcmp (name, PLUG_IN_PROC))
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{
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procedure = pika_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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busy_dialog_run, NULL, NULL);
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pika_procedure_set_documentation (procedure,
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"Show a dialog while waiting for an "
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"operation to finish",
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"Used by PIKA to display a dialog, "
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"containing a spinner and a custom "
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"message, while waiting for an "
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"ongoing operation to finish. "
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"Optionally, the dialog may provide "
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"a \"Cancel\" button, which can be used "
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"to cancel the operation.",
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name);
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pika_procedure_set_attribution (procedure,
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"Ell",
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"Ell",
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"2018");
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PIKA_PROC_ARG_ENUM (procedure, "run-mode",
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"Run mode",
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"The run mode",
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PIKA_TYPE_RUN_MODE,
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PIKA_RUN_INTERACTIVE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_INT (procedure, "read-fd",
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"The read file descriptor",
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"The read file descriptor",
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G_MININT, G_MAXINT, 0,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_INT (procedure, "write-fd",
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"The write file descriptor",
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"The write file descriptor",
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G_MININT, G_MAXINT, 0,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_STRING (procedure, "message",
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"The message",
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"The message",
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NULL,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_BOOLEAN (procedure, "cancelable",
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"Whether the dialog is cancelable",
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"Whether the dialog is cancelable",
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FALSE,
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G_PARAM_READWRITE);
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}
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return procedure;
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}
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static PikaValueArray *
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busy_dialog_run (PikaProcedure *procedure,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaValueArray *return_vals = NULL;
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PikaPDBStatusType status = PIKA_PDB_SUCCESS;
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PikaRunMode run_mode;
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run_mode = PIKA_VALUES_GET_ENUM (args, 0);
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switch (run_mode)
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{
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case PIKA_RUN_INTERACTIVE:
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case PIKA_RUN_NONINTERACTIVE:
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case PIKA_RUN_WITH_LAST_VALS:
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if (pika_value_array_length (args) != 5)
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{
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status = PIKA_PDB_CALLING_ERROR;
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}
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else
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{
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status = busy_dialog (PIKA_VALUES_GET_INT (args, 1),
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PIKA_VALUES_GET_INT (args, 2),
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PIKA_VALUES_GET_STRING (args, 3),
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PIKA_VALUES_GET_BOOLEAN (args, 4));
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}
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break;
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default:
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status = PIKA_PDB_CALLING_ERROR;
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break;
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}
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return_vals = pika_procedure_new_return_values (procedure, status, NULL);
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return return_vals;
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}
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static PikaPDBStatusType
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busy_dialog (gint read_fd,
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gint write_fd,
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const gchar *message,
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gboolean cancelable)
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{
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Context context;
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GtkWidget *window;
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GtkWidget *content_area;
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *box;
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#ifdef G_OS_WIN32
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context.read_channel = g_io_channel_win32_new_fd (read_fd);
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context.write_channel = g_io_channel_win32_new_fd (write_fd);
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#else
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context.read_channel = g_io_channel_unix_new (read_fd);
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context.write_channel = g_io_channel_unix_new (write_fd);
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#endif
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g_io_channel_set_close_on_unref (context.read_channel, TRUE);
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g_io_channel_set_close_on_unref (context.write_channel, TRUE);
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/* triggered when the operation is finished in the main app, and we should
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* quit.
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*/
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g_io_add_watch (context.read_channel, G_IO_IN | G_IO_ERR | G_IO_HUP,
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(GIOFunc) busy_dialog_read_channel_notify,
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&context);
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/* call gtk_init() before pika_ui_init(), to avoid DESKTOP_STARTUP_ID from
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* taking effect -- we want the dialog to be prominently displayed above
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* other plug-in windows.
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*/
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gtk_init (NULL, NULL);
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pika_ui_init (PLUG_IN_BINARY);
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/* the main window */
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if (! cancelable)
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{
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window = g_object_new (GTK_TYPE_WINDOW,
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"title", _("Please Wait"),
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"skip-taskbar-hint", TRUE,
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"deletable", FALSE,
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"resizable", FALSE,
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"role", "pika-busy-dialog",
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"type-hint", GDK_WINDOW_TYPE_HINT_DIALOG,
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"window-position", GTK_WIN_POS_CENTER,
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NULL);
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g_signal_connect (window, "delete-event", G_CALLBACK (gtk_true), NULL);
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content_area = window;
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}
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else
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{
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window = g_object_new (GTK_TYPE_DIALOG,
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"title", _("Please Wait"),
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"skip-taskbar-hint", TRUE,
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"resizable", FALSE,
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"role", "pika-busy-dialog",
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"window-position", GTK_WIN_POS_CENTER,
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NULL);
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gtk_dialog_add_button (GTK_DIALOG (window),
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_("_Cancel"), GTK_RESPONSE_CANCEL);
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g_signal_connect (window, "delete-event",
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G_CALLBACK (busy_dialog_delete_event),
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&context);
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g_signal_connect (window, "response",
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G_CALLBACK (busy_dialog_response),
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&context);
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content_area = gtk_dialog_get_content_area (GTK_DIALOG (window));
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}
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/* the main vbox */
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 16);
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gtk_container_add (GTK_CONTAINER (content_area), vbox);
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gtk_widget_show (vbox);
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/* the title label */
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label = gtk_label_new (_("Please wait for the operation to complete"));
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pika_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
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-1);
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gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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/* the busy box */
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box = pika_busy_box_new (message);
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gtk_container_set_border_width (GTK_CONTAINER (box), 8);
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gtk_box_pack_start (GTK_BOX (vbox), box, TRUE, TRUE, 0);
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gtk_widget_show (box);
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gtk_window_present (GTK_WINDOW (window));
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gtk_main ();
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gtk_widget_destroy (window);
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g_clear_pointer (&context.read_channel, g_io_channel_unref);
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g_clear_pointer (&context.write_channel, g_io_channel_unref);
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return PIKA_PDB_SUCCESS;
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}
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static gboolean
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busy_dialog_read_channel_notify (GIOChannel *source,
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GIOCondition condition,
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Context *context)
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{
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gtk_main_quit ();
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return FALSE;
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}
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static gboolean
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busy_dialog_delete_event (GtkDialog *dialog,
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GdkEvent *event,
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Context *context)
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{
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gtk_dialog_response (dialog, GTK_RESPONSE_CANCEL);
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return TRUE;
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}
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static void
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busy_dialog_response (GtkDialog *dialog,
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gint response_id,
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Context *context)
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{
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switch (response_id)
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{
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case GTK_RESPONSE_CANCEL:
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{
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GtkWidget *button;
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gtk_dialog_set_response_sensitive (dialog, GTK_RESPONSE_CANCEL, FALSE);
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button = gtk_dialog_get_widget_for_response (dialog,
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GTK_RESPONSE_CANCEL);
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gtk_button_set_label (GTK_BUTTON (button), _("Canceling..."));
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/* signal the cancellation request to the main app */
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g_clear_pointer (&context->write_channel, g_io_channel_unref);
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}
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break;
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default:
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break;
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}
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}
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