mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Libraries/Sapphire/sh/buttons

   1 ;
   2 ; buttons.sh
   3 ;
   4 ; Definitions for button blocks
   5 ;
   6 ; © 1995-1998 Straylight
   7 ;
   8
   9 ;----- Licensing note -------------------------------------------------------
  10 ;
  11 ; This file is part of Straylight's Sapphire library.
  12 ;
  13 ; Sapphire is free software; you can redistribute it and/or modify
  14 ; it under the terms of the GNU General Public License as published by
  15 ; the Free Software Foundation; either version 2, or (at your option)
  16 ; any later version.
  17 ;
  18 ; Sapphire is distributed in the hope that it will be useful,
  19 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ; GNU General Public License for more details.
  22 ;
  23 ; You should have received a copy of the GNU General Public License
  24 ; along with Sapphire.  If not, write to the Free Software Foundation,
  25 ; 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26
  27 ;----- Overview -------------------------------------------------------------
  28 ;
  29 ; Functions provided:
  30 ;
  31 ;   buttons_setup
  32 ;
  33 ; Macros provided:
  34 ;
  35 ;   BUTTON
  36 ;   BUTEND
  37 ;   BCANCEL
  38 ;   BOK
  39 ;   BHELP
  40 ;   BGAP
  41
  42                 [       :LNOT::DEF:buttons__dfn
  43                 GBLL    buttons__dfn
  44
  45 ;+              LIB     sapphire:^.bsh.stdDbox
  46
  47 ; --- buttons_setup ---
  48 ;
  49 ; On entry:     R0 == dialogue box handle
  50 ;               R1 == pointer to buttons block
  51 ;               R2 == buttons base icon
  52 ;               R3 == number of buttons to allow
  53 ;
  54 ; On exit:      R2 == buttons flag mask
  55 ;               R3 == cancel button icon, or -1
  56 ;
  57 ; Use:          Sets up a dialogue box's buttons according to a buttons
  58 ;               block.
  59
  60                 IMPORT  buttons_setup
  61
  62 ;----- Macros ---------------------------------------------------------------
  63
  64                 GBLA    but__c
  65 but__c          SETA    0
  66                 GBLA    but__fl
  67 but__fl         SETA    0
  68
  69 ; --- Macro: BUTTON ---
  70 ;
  71 ; Arguments:    msg == message tag to put in button
  72 ;
  73 ; Use:          Inserts a text button into a buttons definition block.
  74
  75                 MACRO
  76 $label          BUTTON  $msg
  77 but__f$but__c   EQU     but__fl
  78 but__c          SETA    but__c+1
  79 but__fl         SETA    bFlag_text
  80 $label          DCD     but__f$but__c
  81                 DCB     "$msg",0
  82                 ALIGN
  83                 MEND
  84
  85 ; --- Macro: BCANCEL ---
  86 ;
  87 ; Arguments:    text == optional text string (default is `Cancel')
  88 ;
  89 ; Use:          Inserts a cancel button into a buttons definition block.
  90
  91                 MACRO
  92 $label          BCANCEL $text
  93 but__f$but__c   EQU     but__fl
  94 but__c          SETA    but__c+1
  95 but__fl         SETA    bFlag_cancel
  96
  97 $label          DCD     but__f$but__c
  98
  99                 [       "$text"<>""
 100 but__fl         SETA    but__fl :OR: bFlag_text
 101                 DCB     "$text",0
 102                 ]
 103
 104                 MEND
 105
 106 ; --- Macro: BOK ---
 107 ;
 108 ; Arguments:    --
 109 ;
 110 ; Use:          Inserts an OK button into a buttons definition block.
 111
 112                 MACRO
 113 $label          BOK
 114 but__f$but__c   EQU     but__fl
 115 but__c          SETA    but__c+1
 116 but__fl         SETA    bFlag_ok
 117 $label          DCD     but__f$but__c
 118                 MEND
 119
 120 ; --- Macro: BHELP ---
 121 ;
 122 ; Arguments:    --
 123 ;
 124 ; Use:          Inserts a help button into a buttons definition block.
 125
 126                 MACRO
 127 $label          BHELP
 128 but__f$but__c   EQU     but__fl
 129 but__c          SETA    but__c+1
 130 but__fl         SETA    bFlag_help
 131 $label          DCD     but__f$but__c
 132                 MEND
 133
 134 ; --- Macro: BGAP ---
 135 ;
 136 ; Arguments:    --
 137 ;
 138 ; Use:          Omits a button in a buttons definition block.
 139
 140                 MACRO
 141 $label          BGAP
 142 but__f$but__c   EQU     but__fl
 143 but__c          SETA    but__c+1
 144 but__fl         SETA    0
 145 $label          DCD     but__f$but__c
 146                 MEND
 147
 148 ; --- Macro: BUTEND ---
 149 ;
 150 ; Arguments:    --
 151 ;
 152 ; Use:          Terminates a buttons definition block.
 153
 154                 MACRO
 155 $label          BUTEND
 156 but__f$but__c   EQU     but__fl+bFlag_last
 157 but__c          SETA    but__c+1
 158 $label
 159                 MEND
 160
 161
 162
 163 ;----- Button block formats -------------------------------------------------
 164
 165 bFlag_cancel    EQU     (1<<0)                  ;This is the cancel button
 166                                                 ;+0
 167
 168 bFlag_ok        EQU     (1<<1)                  ;This is the OK button
 169                                                 ;+0
 170
 171 bFlag_help      EQU     (1<<2)                  ;This is the help button
 172                                                 ;+0
 173
 174 bFlag_text      EQU     (1<<3)                  ;This button contains text
 175                                                 ;+0 == message tag
 176                                                 ;+n
 177
 178 bFlag_last      EQU     (1<<31)                 ;This is the last item
 179                                                 ;+0
 180
 181                 ]
 182
 183 ;----- That's all, folks ----------------------------------------------------
 184
 185                 END