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Tina5/tina-tools/tinatool/wdgts/xv/wdgtsXv_tw_hlp_btn.c

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  1 /**********
  2  * 
  3  * Copyright (c) 2003, Division of Imaging Science and Biomedical Engineering,
  4  * University of Manchester, UK.  All rights reserved.
  5  * 
  6  * Redistribution and use in source and binary forms, with or without modification, 
  7  * are permitted provided that the following conditions are met:
  8  * 
  9  *   . Redistributions of source code must retain the above copyright notice, 
 10  *     this list of conditions and the following disclaimer.
 11  *    
 12  *   . Redistributions in binary form must reproduce the above copyright notice,
 13  *     this list of conditions and the following disclaimer in the documentation 
 14  *     and/or other materials provided with the distribution.
 15  * 
 16  *   . Neither the name of the University of Manchester nor the names of its
 17  *     contributors may be used to endorse or promote products derived from this 
 18  *     software without specific prior written permission.
 19  * 
 20  * 
 21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 31  * POSSIBILITY OF SUCH DAMAGE.
 32  *
 33  **********
 34  * 
 35  * Program :    TINA
 36  * File    :  $Source: /home/tina/cvs/tina-tools/tinatool/wdgts/xv/wdgtsXv_tw_hlp_btn.c,v $
 37  * Date    :  $Date: 2007/02/15 01:55:50 $
 38  * Version :  $Revision: 1.3 $
 39  * CVS Id  :  $Id: wdgtsXv_tw_hlp_btn.c,v 1.3 2007/02/15 01:55:50 paul Exp $
 40  *
 41  * Author  :  Legacy TINA
 42  *
 43  * Notes :
 44  *
 45  *********
 46 */
 47 
 48 #include "wdgtsXv_tw_hlp_btn.h"
 49 
 50 #if HAVE_CONFIG_H
 51 #   include <config.h>
 52 #endif
 53 
 54 #include <stdio.h>
 55 
 56 #include <xview/frame.h>
 57 #include <xview/textsw.h>
 58 #include <xview/panel.h>
 59 #include <tina/sys/sysDef.h>
 60 #include <tina/sys/sysPro.h>
 61 #include <tinatool/wdgts/xv/wdgts_XvDef.h>
 62 #include <tinatool/wdgts/xv/wdgtsXv_tw_tool.h>
 63 #include <tinatool/wdgts/xv/wdgtsXv_tw_command.h>
 64 #include <tinatool/wdgts/xv/wdgtsXv_tw_textsw.h>
 65 
 66 static void help_proc(char *help_file)
 67 {
 68     static Frame help_tool = 0;
 69     static Textsw help_win = 0;
 70 
 71     if (help_tool)
 72     {
 73         tw_show_tool(help_tool);
 74     }
 75     else
 76     {
 77         help_tool = tw_tool("Tina Help", 10, 10);
 78         help_win = tw_textsubwin(20, 100);
 79         tw_end_tool();
 80     }
 81     print_help((void *)help_win, help_file);
 82 }
 83 
 84 static void button_call(Tw_callback * twc)
 85 {
 86     (*twc->func) (twc->data1);
 87 }
 88 
 89 /* ARGSUSED quieten lint */
 90 static void button_cmnd(Tw_callback * twc)
 91 {
 92 }
 93 
 94 /* ARGSUSED quieten lint */
 95 static void button_prnt(FILE * fp, Tw_callback * twc)
 96 {
 97 }
 98 
 99 /* Create a button labeled "help" which summons help from a file
100  * <help_file_name>, searching directories in this order: current
101  * directory, directory specified by environment variable TINA_HELPDIR,
102  * home directory. (Re-reads file on each button press to simplify
103  * adding help (instant gratification!) Output to Help tool's text
104  * subwindow. */
105 void tw_help_button(char *help_file)
106 {
107     int row;
108     Tw_callback *twc;
109     Panel_item button;
110     Panel panel = tw_get_panel();
111     Bool newrow = tw_get_newrow();
112     static char name[] = "Help";
113     char *fullname = tw_extend_fullname(tw_get_toolname(), name);
114 
115     button = (Panel_item) xv_create(panel, PANEL_BUTTON,
116                                     PANEL_LABEL_STRING, name, NULL);
117 
118     twc = tw_callback_make(fullname, button, button_call, button_cmnd,
119      button_prnt, (void *) help_proc, (void *) string_copy(help_file),
120                            /* warning: argument #6 is incompatible with prototype:
121         prototype: pointer to function() returning void : "../../../../tinatool/wdgts/xv/wdgtsXv_tw_command.h", line 65
122         argument : pointer to void */
123                            NULL);
124     xv_set(button, PANEL_NOTIFY_PROC, tw_button_callback,
125            PANEL_CLIENT_DATA, twc, NULL);
126 
127     if (newrow)
128     {
129         row = tw_get_row();
130         xv_set(button, XV_X, xv_col(panel,
131                                   0), XV_Y, xv_row(panel, row), NULL);
132         tw_set_newrow(false);
133     }
134     format_set_print_sw(textsw_print_sw);
135 
136 }
137 

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