connectionpooling.c

来自「一个可以替代windows ODBC驱动程序管理器的通用ODBC数据库引擎」· C语言 代码 · 共 207 行

/*
 *  connectionpooling.c
 *
 *  $Id: connectionpooling.c,v 1.1 2001/06/07 00:49:40 source Exp $
 *
 *  The iODBC driver manager.
 *
 *  Copyright (C) 2001 by OpenLink Software <[e-mail]>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "gui.h"

static void
connectionpool_finish_clicked (GtkWidget *widget,
    TCONNECTIONPOOLING *connectionpool_t)
{
  if (connectionpool_t)
    {
      connectionpool_t->timeout =
	  (char *) malloc (sizeof (char) *
	  (STRLEN (gtk_entry_get_text (GTK_ENTRY (connectionpool_t->
			  timeout_entry))) + 1));
      if (connectionpool_t->timeout)
	strcpy (connectionpool_t->timeout,
	    gtk_entry_get_text (GTK_ENTRY (connectionpool_t->timeout_entry)));

      gtk_signal_disconnect_by_func (GTK_OBJECT (connectionpool_t->mainwnd),
	  GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
      gtk_main_quit ();
      gtk_widget_destroy (connectionpool_t->mainwnd);
    }
}


static void
connectionpool_cancel_clicked (GtkWidget *widget,
    TCONNECTIONPOOLING *connectionpool_t)
{
  if (connectionpool_t)
    {
      connectionpool_t->timeout = NULL;

      gtk_signal_disconnect_by_func (GTK_OBJECT (connectionpool_t->mainwnd),
	  GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
      gtk_main_quit ();
      gtk_widget_destroy (connectionpool_t->mainwnd);
    }
}


static gint
delete_event (GtkWidget *widget,
    GdkEvent *event, TCONNECTIONPOOLING *connectionpool_t)
{
  connectionpool_cancel_clicked (widget, connectionpool_t);

  return FALSE;
}


LPSTR
create_connectionpool (HWND hwnd, LPCSTR driver, LPCSTR oldtimeout)
{
  GtkWidget *connectionpool, *dialog_vbox1, *fixed1, *l_question;
  GtkWidget *t_cptimeout, *dialog_action_area1, *hbuttonbox1;
  GtkWidget *b_finish, *b_cancel;
  guint b_finish_key, b_cancel_key;
  GtkAccelGroup *accel_group;
  TCONNECTIONPOOLING connectionpool_t;
  char msg[1024];

  if (hwnd == NULL || !GTK_IS_WIDGET (hwnd))
    return;

  accel_group = gtk_accel_group_new ();

  connectionpool = gtk_dialog_new ();
  gtk_object_set_data (GTK_OBJECT (connectionpool), "connectionpool",
      connectionpool);
  if (driver)
    sprintf (msg, "Connection pooling time-out for %s", driver);
  else
    sprintf (msg, "Connection pooling time-out ...");
  gtk_window_set_title (GTK_WINDOW (connectionpool), msg);
  gtk_window_set_position (GTK_WINDOW (connectionpool), GTK_WIN_POS_CENTER);
  gtk_window_set_modal (GTK_WINDOW (connectionpool), TRUE);
  gtk_window_set_policy (GTK_WINDOW (connectionpool), FALSE, FALSE, FALSE);

  dialog_vbox1 = GTK_DIALOG (connectionpool)->vbox;
  gtk_object_set_data (GTK_OBJECT (connectionpool), "dialog_vbox1",
      dialog_vbox1);
  gtk_widget_show (dialog_vbox1);

  fixed1 = gtk_fixed_new ();
  gtk_widget_ref (fixed1);
  gtk_object_set_data_full (GTK_OBJECT (connectionpool), "fixed1", fixed1,
      (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (fixed1);
  gtk_box_pack_start (GTK_BOX (dialog_vbox1), fixed1, TRUE, TRUE, 0);
  gtk_container_set_border_width (GTK_CONTAINER (fixed1), 6);

  l_question =
      gtk_label_new
      ("You have now to specify the connection pooling timeout\nin seconds of the specified driver :");
  gtk_widget_ref (l_question);
  gtk_object_set_data_full (GTK_OBJECT (connectionpool), "l_question",
      l_question, (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (l_question);
  gtk_fixed_put (GTK_FIXED (fixed1), l_question, 8, 8);
  gtk_widget_set_uposition (l_question, 8, 8);
  gtk_widget_set_usize (l_question, 376, 24);
  gtk_label_set_justify (GTK_LABEL (l_question), GTK_JUSTIFY_LEFT);

  t_cptimeout = gtk_entry_new ();
  gtk_widget_ref (t_cptimeout);
  gtk_object_set_data_full (GTK_OBJECT (connectionpool), "t_cptimeout",
      t_cptimeout, (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (t_cptimeout);
  gtk_fixed_put (GTK_FIXED (fixed1), t_cptimeout, 40, 40);
  gtk_widget_set_uposition (t_cptimeout, 40, 40);
  gtk_widget_set_usize (t_cptimeout, 340, 22);

  if (oldtimeout)
    gtk_entry_set_text (GTK_ENTRY (t_cptimeout), oldtimeout);

  dialog_action_area1 = GTK_DIALOG (connectionpool)->action_area;
  gtk_object_set_data (GTK_OBJECT (connectionpool), "dialog_action_area1",
      dialog_action_area1);
  gtk_widget_show (dialog_action_area1);
  gtk_container_set_border_width (GTK_CONTAINER (dialog_action_area1), 5);

  hbuttonbox1 = gtk_hbutton_box_new ();
  gtk_widget_ref (hbuttonbox1);
  gtk_object_set_data_full (GTK_OBJECT (connectionpool), "hbuttonbox1",
      hbuttonbox1, (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (hbuttonbox1);
  gtk_box_pack_start (GTK_BOX (dialog_action_area1), hbuttonbox1, TRUE, TRUE,
      0);
  gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox1), GTK_BUTTONBOX_END);
  gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbuttonbox1), 10);

  b_finish = gtk_button_new_with_label ("");
  b_finish_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (b_finish)->child),
      "_Finish");
  gtk_widget_add_accelerator (b_finish, "clicked", accel_group,
      b_finish_key, GDK_MOD1_MASK, 0);
  gtk_widget_ref (b_finish);
  gtk_object_set_data_full (GTK_OBJECT (connectionpool), "b_finish", b_finish,
      (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (b_finish);
  gtk_container_add (GTK_CONTAINER (hbuttonbox1), b_finish);
  GTK_WIDGET_SET_FLAGS (b_finish, GTK_CAN_DEFAULT);
  gtk_widget_add_accelerator (b_finish, "clicked", accel_group,
      'F', GDK_MOD1_MASK, GTK_ACCEL_VISIBLE);

  b_cancel = gtk_button_new_with_label ("");
  b_cancel_key = gtk_label_parse_uline (GTK_LABEL (GTK_BIN (b_cancel)->child),
      "_Cancel");
  gtk_widget_add_accelerator (b_cancel, "clicked", accel_group,
      b_cancel_key, GDK_MOD1_MASK, 0);
  gtk_widget_ref (b_cancel);
  gtk_object_set_data_full (GTK_OBJECT (connectionpool), "b_cancel", b_cancel,
      (GtkDestroyNotify) gtk_widget_unref);
  gtk_widget_show (b_cancel);
  gtk_container_add (GTK_CONTAINER (hbuttonbox1), b_cancel);
  GTK_WIDGET_SET_FLAGS (b_cancel, GTK_CAN_DEFAULT);
  gtk_widget_add_accelerator (b_cancel, "clicked", accel_group,
      'C', GDK_MOD1_MASK, GTK_ACCEL_VISIBLE);

  /* Finish button events */
  gtk_signal_connect (GTK_OBJECT (b_finish), "clicked",
      GTK_SIGNAL_FUNC (connectionpool_finish_clicked), &connectionpool_t);
  /* Cancel button events */
  gtk_signal_connect (GTK_OBJECT (b_cancel), "clicked",
      GTK_SIGNAL_FUNC (connectionpool_cancel_clicked), &connectionpool_t);
  /* Close window button events */
  gtk_signal_connect (GTK_OBJECT (connectionpool), "delete_event",
      GTK_SIGNAL_FUNC (delete_event), &connectionpool_t);
  gtk_signal_connect (GTK_OBJECT (connectionpool), "destroy",
      GTK_SIGNAL_FUNC (gtk_main_quit), NULL);

  gtk_window_add_accel_group (GTK_WINDOW (connectionpool), accel_group);

  connectionpool_t.timeout_entry = t_cptimeout;
  connectionpool_t.mainwnd = connectionpool;
  connectionpool_t.timeout = NULL;

  gtk_widget_show_all (connectionpool);
  gtk_main ();

  return connectionpool_t.timeout;
}