1 | ; Project name : Assembly Library
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2 | ; Description : Displays file dialog.
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3 |
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4 | ;
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5 | ; XTIDE Universal BIOS and Associated Tools
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6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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7 | ;
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8 | ; This program is free software; you can redistribute it and/or modify
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9 | ; it under the terms of the GNU General Public License as published by
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10 | ; the Free Software Foundation; either version 2 of the License, or
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11 | ; (at your option) any later version.
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12 | ;
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13 | ; This program is distributed in the hope that it will be useful,
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14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | ; GNU General Public License for more details.
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17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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18 | ;
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19 |
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20 | CURRENTDIR_CHARACTERS EQU 002Eh
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21 | UPDIR_CHARACTERS EQU 2E2Eh
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22 |
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23 | ; Section containing code
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24 | SECTION .text
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25 |
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26 | ;--------------------------------------------------------------------
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27 | ; DialogFile_GetFileNameWithIoInDSSI
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28 | ; Parameters:
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29 | ; DS:SI: Ptr to FILE_DIALOG_IO
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30 | ; SS:BP: Ptr to parent MENU
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31 | ; Returns:
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32 | ; Nothing
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33 | ; Corrupts registers:
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34 | ; AX, BX, CX, DX, DI
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35 | ;--------------------------------------------------------------------
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36 | ALIGN JUMP_ALIGN
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37 | DialogFile_GetFileNameWithIoInDSSI:
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38 | ; We need to store default drive because user might change drive but
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39 | ; then cancel the file selection. In that case the original default directory
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40 | ; must be restored.
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41 | call Drive_GetDefaultToAL
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42 | push ax
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43 |
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44 | mov bx, FileEventHandler
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45 | mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE
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46 | call Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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47 |
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48 | ; Now restore the default drive if user cancellation
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49 | pop dx
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50 | cmp BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE
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51 | jne SHORT .UserDidNotCancel
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52 | jmp Drive_SetDefaultFromDL
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53 |
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54 | .UserDidNotCancel:
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55 | ret
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56 |
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57 |
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58 | ;--------------------------------------------------------------------
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59 | ; FileEventHandler
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60 | ; Common parameters for all events:
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61 | ; BX: Menu event (anything from MENUEVENT struct)
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62 | ; SS:BP: Ptr to DIALOG
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63 | ; Common return values for all events:
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64 | ; CF: Set if event processed
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65 | ; Cleared if event not processed
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66 | ; Corrupts registers:
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67 | ; All
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68 | ;--------------------------------------------------------------------
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69 | ALIGN JUMP_ALIGN
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70 | FileEventHandler:
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71 | jmp [cs:bx+.rgfnEventHandlers]
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72 |
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73 |
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74 | ALIGN JUMP_ALIGN
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75 | .ItemSelectedFromCX:
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76 | call LoadItemStringBufferToESDI
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77 | call Registers_CopyESDItoDSSI
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78 | call ItemLineSplitter_GetLineToDSSIandLengthToCXfromStringInDSSIwithIndexInCX
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79 | jmp ParseSelectionFromItemLineInDSSI
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80 |
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81 |
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82 | ALIGN JUMP_ALIGN
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83 | .RefreshInformation:
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84 | call GetInfoLinesToCXandDialogFlagsToAX
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85 | mov si, [cs:.rgszInfoStringLookup]
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86 | xor bx, bx
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87 | xchg dx, ax
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88 | ALIGN JUMP_ALIGN
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89 | .InfoLineLoop:
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90 | shr dl, 1
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91 | jnc SHORT .CheckNextFlag
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92 | mov si, [cs:bx+.rgszInfoStringLookup]
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93 | push bx
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94 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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95 | pop bx
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96 | ALIGN JUMP_ALIGN
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97 | .CheckNextFlag:
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98 | inc bx
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99 | inc bx
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100 | loop .InfoLineLoop
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101 | stc ; Event processed
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102 | ret
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103 |
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104 |
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105 | ALIGN JUMP_ALIGN
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106 | .RefreshItemFromCX:
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107 | call LoadItemStringBufferToESDI
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108 | mov ax, FILE_STRING_LENGTH
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109 | xchg ax, cx
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110 | mul cx
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111 | add di, ax
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112 | mov si, di
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113 | mov bx, es
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114 | dec cx ; Do not print LF at the end of file string
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115 | CALL_DISPLAY_LIBRARY PrintCharBufferFromBXSIwithLengthInCX
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116 | stc
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117 | ret
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118 |
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119 |
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120 | ALIGN WORD_ALIGN
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121 | .rgszInfoStringLookup:
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122 | dw g_szChangeDrive
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123 | dw g_szSelectDirectory
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124 | dw g_szCreateNew
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125 |
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126 | .rgfnEventHandlers:
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127 | istruc MENUEVENT
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128 | at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP
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129 | at MENUEVENT.ExitMenu, dw Dialog_EventExitMenu
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130 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled
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131 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
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132 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX
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133 | at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH
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134 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
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135 | at MENUEVENT.RefreshInformation, dw .RefreshInformation
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136 | at MENUEVENT.RefreshItemFromCX, dw .RefreshItemFromCX
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137 | iend
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138 |
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139 |
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140 | ;--------------------------------------------------------------------
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141 | ; ReInitializeMenuinitFromSSBP
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142 | ; InitializeMenuinitFromSSBP
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143 | ; Parameters:
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144 | ; SS:BP: Ptr to DIALOG
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145 | ; Returns:
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146 | ; Nothing
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147 | ; Corrupts registers:
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148 | ; All, except BP
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149 | ;--------------------------------------------------------------------
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150 | ALIGN JUMP_ALIGN
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151 | ReInitializeMenuinitFromSSBP:
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152 | call DisplayLoadingMessageInInformationArea
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153 | InitializeMenuinitFromSSBP:
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154 | call LoadItemStringBufferToESDI
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155 | call CreateStringFromCurrentDirectoryContentsToESDI
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156 | call LoadItemStringBufferToESDI
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157 | call SortDirectoryContentsStringFromESDIwithCountInCX
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158 | call RemoveLastLFandTerminateESDIwithNull
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159 |
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160 | call Registers_CopySSBPtoDSSI
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161 | xor ax, ax
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162 | call Dialog_EventInitializeMenuinitFromDSSIwithHighlightedItemInAX
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163 | call GetInfoLinesToCXandDialogFlagsToAX
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164 | mov [bp+MENUINIT.bInfoLines], cl
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165 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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166 | mov [bp+MENUINIT.bHeight], ah ; Always max height
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167 | mov WORD [bp+MENU.wFirstVisibleItem], 0
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168 | ret
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169 |
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170 |
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171 | ;--------------------------------------------------------------------
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172 | ; LoadItemStringBufferToESDI
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173 | ; Parameters:
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174 | ; SS:BP: Ptr to DIALOG
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175 | ; Returns:
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176 | ; ES:DI: Ptr to item string buffer
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177 | ; Corrupts registers:
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178 | ; Nothing
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179 | ;--------------------------------------------------------------------
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180 | ALIGN JUMP_ALIGN
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181 | LoadItemStringBufferToESDI:
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182 | les di, [bp+DIALOG.fpDialogIO]
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183 | les di, [es:di+FILE_DIALOG_IO.fszItemBuffer]
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184 | ret
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185 |
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186 |
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187 | ;--------------------------------------------------------------------
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188 | ; CreateStringFromCurrentDirectoryContentsToESDI
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189 | ; Parameters:
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190 | ; ES:DI: Buffer where to create item string
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191 | ; SS:BP: Ptr to DIALOG
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192 | ; Returns:
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193 | ; CX: Number of files or directories found
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194 | ; Corrupts registers:
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195 | ; AX, BX, DX, SI, DI, DS
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196 | ;--------------------------------------------------------------------
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197 | ALIGN JUMP_ALIGN
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198 | CreateStringFromCurrentDirectoryContentsToESDI:
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199 | mov bx, di
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200 | CALL_DISPLAY_LIBRARY PushDisplayContext
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201 | mov cx, -1
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202 | CALL_DISPLAY_LIBRARY PrepareOffScreenBufferInESBXwithLengthInCX ; ES:DI now points to buffer
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203 |
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204 | lds si, [bp+DIALOG.fpDialogIO]
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205 | eMOVZX cx, [si+FILE_DIALOG_IO.bFileAttributes]
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206 | lds si, [si+FILE_DIALOG_IO.fpFileFilterString]
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207 | call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX
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208 |
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209 | call .ClearDLifInRootDirectory
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210 | call Directory_GetDiskTransferAreaAddressToDSSI
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211 | xor cx, cx ; Clear file/directory count
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212 | call .FindMatchingFilesAndPrintThemToOffScreenBuffer
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213 |
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214 | JMP_DISPLAY_LIBRARY PopDisplayContext
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215 |
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216 | ;--------------------------------------------------------------------
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217 | ; .ClearDLifInRootDirectory
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218 | ; Parameters:
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219 | ; SS:BP: Ptr to DIALOG
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220 | ; ES:DI: Ptr to destination string buffer
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221 | ; Returns:
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222 | ; DL: Cleared if in root directory
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223 | ; Set if in any other directory
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224 | ; Corrupts registers:
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225 | ; AX, SI, DS
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226 | ;--------------------------------------------------------------------
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227 | ALIGN JUMP_ALIGN
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228 | .ClearDLifInRootDirectory:
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229 | call Registers_CopyESDItoDSSI
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230 | call Directory_WriteCurrentPathToDSSI
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231 | mov dl, [si]
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232 | ret
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233 |
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234 | ;--------------------------------------------------------------------
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235 | ; .FindMatchingFilesAndPrintThemToOffScreenBuffer
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236 | ; Parameters:
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237 | ; CX: Initial directory count
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238 | ; DL: Zero if root directory selected
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239 | ; DS:SI: Ptr to DTA with first matching file
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240 | ; Returns:
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241 | ; CX: Incremented by number of files/directories found
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242 | ; Corrupts registers:
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243 | ; AX, BX, DX, DI, DS
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244 | ;--------------------------------------------------------------------
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245 | ALIGN JUMP_ALIGN
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246 | .FindMatchingFilesAndPrintThemToOffScreenBuffer:
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247 | call AppendFileFromDTAinDSSItoOffScreenBuffer
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248 | call Directory_UpdateDTAForNextMatchUsingPreviousParameters
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249 | jnc SHORT .FindMatchingFilesAndPrintThemToOffScreenBuffer
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250 | ret
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251 |
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252 |
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253 | ;--------------------------------------------------------------------
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254 | ; AppendFileFromDTAinDSSItoOffScreenBuffer
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255 | ; Parameters:
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256 | ; CX: Files/directories found
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257 | ; DL: Zero if root directory selected
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258 | ; DS:SI: Ptr to DTA containing file information
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259 | ; Returns:
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260 | ; CX: Incremented by number of files/directories found
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261 | ; Corrupts registers:
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262 | ; AX, BX
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263 | ;--------------------------------------------------------------------
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264 | ALIGN JUMP_ALIGN
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265 | AppendFileFromDTAinDSSItoOffScreenBuffer:
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266 | cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS
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267 | je SHORT .Return ; We never want "."
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268 | test dl, dl
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269 | jnz SHORT .NotInRootDirectory
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270 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS
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271 | je SHORT .Return ; No ".." when in root directory
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272 | .NotInRootDirectory:
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273 | inc cx ; Nothing filtered so increment files/directories
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274 |
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275 | push bp
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276 | push si
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277 | push dx
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278 | push cx
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279 | call .FormatFileOrDirectoryToBufferFromDTAinDSSI
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280 | pop cx
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281 | pop dx
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282 | pop si
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283 | pop bp
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284 | .Return:
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285 | ret
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286 |
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287 | ;--------------------------------------------------------------------
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288 | ; .FormatFileOrDirectoryToBufferFromDTAinDSSI
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289 | ; Parameters:
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290 | ; DS:SI: Ptr to DTA containing file information
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291 | ; Returns:
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292 | ; Nothing
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293 | ; Corrupts registers:
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294 | ; AX, BX, CX, DX, SI, DI, BP
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295 | ;--------------------------------------------------------------------
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296 | ALIGN JUMP_ALIGN
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297 | .FormatFileOrDirectoryToBufferFromDTAinDSSI:
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298 | mov bp, sp
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299 | lea ax, [si+DTA.szFile]
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300 |
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301 | test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY
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302 | jnz SHORT .FormatDirectory
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303 | ; Fall to .FormatFile
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304 |
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305 | ;--------------------------------------------------------------------
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306 | ; .FormatFile
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307 | ; Parameters:
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308 | ; BP: SP before pushing formatting parameters
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309 | ; DS:AX: Far pointer to file name
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310 | ; DS:SI: Ptr to DTA containing file information
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311 | ; Returns:
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312 | ; Nothing
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313 | ; Corrupts registers:
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314 | ; AX, BX, CX, DX, SI, DI
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315 | ;--------------------------------------------------------------------
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316 | .FormatFile:
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317 | xchg si, ax
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318 | call String_ConvertDSSItoLowerCase
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319 | xchg ax, si
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320 |
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321 | ; Push parameters for file name
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322 | push ax ; Push file name offset
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323 | push ds ; Push file name segment
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324 |
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325 | ; Push parameters for file size
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326 | mov ax, [si+DTA.dwFileSize]
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327 | mov dx, [si+DTA.dwFileSize+2]
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328 | xor bx, bx
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329 | xor cx, cx
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330 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
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331 | mov cl, 'i'
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332 | cmp dl, ' '
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333 | eCMOVE cl, dl
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334 | push ax
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335 | push dx
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336 | push cx
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337 |
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338 | ; Format to buffer
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339 | mov si, g_szFileFormat
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340 | jmp SHORT .FormatStringInCSSIandReturn
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341 |
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342 | ;--------------------------------------------------------------------
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343 | ; .FormatDirectory
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344 | ; Parameters:
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345 | ; BP: SP before pushing formatting parameters
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346 | ; DS:AX: Far pointer to directory name
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347 | ; DS:SI: Ptr to DTA containing file information
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348 | ; Returns:
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349 | ; Nothing
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350 | ; Corrupts registers:
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351 | ; AX, SI, DI
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352 | ;--------------------------------------------------------------------
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353 | ALIGN JUMP_ALIGN
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354 | .FormatDirectory:
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355 | push ax ; Push directory name offset
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356 | push ds ; Push directory name segment
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357 | mov ax, g_szSub
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358 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS
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359 | eCMOVE ax, g_szUp
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360 | push ax
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361 | mov si, g_szDirectoryFormat
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362 | ALIGN JUMP_ALIGN
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363 | .FormatStringInCSSIandReturn:
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364 | JMP_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
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365 |
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366 |
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367 | ;--------------------------------------------------------------------
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368 | ; SortDirectoryContentsStringFromESDIwithCountInCX
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369 | ; Parameters:
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370 | ; CX: Number of files and directories
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371 | ; ES:DI: Buffer containing directory contents string
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372 | ; SS:BP: Ptr to DIALOG
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373 | ; Returns:
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374 | ; ES:DI: Ptr to end of directory contents string
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375 | ; Corrupts registers:
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376 | ; AX, BX, CX, DX, SI, DS
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377 | ;--------------------------------------------------------------------
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378 | ALIGN JUMP_ALIGN
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379 | SortDirectoryContentsStringFromESDIwithCountInCX:
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380 | call Registers_CopyESDItoDSSI
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381 |
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382 | ; Add directory contents string length to DI
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383 | mov ax, FILE_STRING_LENGTH
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384 | push ax
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385 | mul cx
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386 | add di, ax
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387 |
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388 | mov dx, cx
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389 | pop cx
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390 | mov bx, .FileStringComparator
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391 | jmp Sort_ItemsFromDSSIwithCountInDXsizeInCXandComparatorInBX
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392 |
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393 | ;--------------------------------------------------------------------
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394 | ; .FileStringComparator
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395 | ; Parameters:
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396 | ; CX: Item size in bytes
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397 | ; DS:SI: Ptr to first item to compare
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398 | ; ES:DI: Ptr to second item to compare
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399 | ; Returns:
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400 | ; FLAGS: Signed comparison between first and second item
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401 | ; Corrupts registers:
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402 | ; Nothing
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403 | ;--------------------------------------------------------------------
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404 | ALIGN JUMP_ALIGN
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405 | .FileStringComparator:
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406 | push di
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407 | push si
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408 | push cx
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409 | push bx
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410 |
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411 | mov bx, FILE_STRING_LENGTH-2 ; Zero BH
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412 | cmp WORD [si], UPDIR_CHARACTERS
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413 | je SHORT .ForceValueFromDSSItoBeLess
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414 | mov bl, [si+bx]
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415 | cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories
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416 | jne SHORT .ForceValueFromDSSItoBeMoreOrLess
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417 | repe cmpsb ; Two directories or two files
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418 |
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419 | ALIGN JUMP_ALIGN
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420 | .ReturnFromComparison:
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421 | pop bx
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422 | pop cx
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423 | pop si
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424 | pop di
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425 | ret
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426 | ALIGN JUMP_ALIGN
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427 | .ForceValueFromDSSItoBeMoreOrLess:
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428 | ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI
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429 | xchg bl, bh
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430 | ; Fall to ForceValueFromDSSItoBeLess
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431 | ALIGN JUMP_ALIGN
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432 | .ForceValueFromDSSItoBeLess:
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433 | cmp bh, bl
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434 | jmp SHORT .ReturnFromComparison
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435 |
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436 |
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437 | ;--------------------------------------------------------------------
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438 | ; RemoveLastLFandTerminateESDIwithNull
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439 | ; Parameters:
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440 | ; ES:DI: Ptr to end of buffer to terminate
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441 | ; Returns:
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442 | ; Nothing
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443 | ; Corrupts registers:
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444 | ; AX
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445 | ;--------------------------------------------------------------------
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446 | ALIGN JUMP_ALIGN
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447 | RemoveLastLFandTerminateESDIwithNull:
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448 | dec di
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449 | xor ax, ax
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450 | stosb
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451 | ret
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452 |
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453 |
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454 | ;--------------------------------------------------------------------
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455 | ; GetInfoLinesToCXandDialogFlagsToAX
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456 | ; Parameters:
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457 | ; SS:BP: Ptr to DIALOG
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458 | ; Returns:
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459 | ; AX: Dialog flags
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460 | ; CX: Number of info lines to be displayed
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461 | ; Corrupts registers:
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462 | ; SI, DS
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463 | ;--------------------------------------------------------------------
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464 | ALIGN JUMP_ALIGN
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465 | GetInfoLinesToCXandDialogFlagsToAX:
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466 | ePUSH_T ax, Bit_GetSetCountToCXfromAX
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467 | xor ah, ah
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468 | ; Fall to GetDialogFlagsToAL
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469 |
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470 | ;--------------------------------------------------------------------
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471 | ; GetDialogFlagsToAL
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472 | ; Parameters:
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473 | ; SS:BP: Ptr to DIALOG
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474 | ; Returns:
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475 | ; AL: Dialog flags
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476 | ; Corrupts registers:
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477 | ; SI, DS
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478 | ;--------------------------------------------------------------------
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479 | ALIGN JUMP_ALIGN
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480 | GetDialogFlagsToAL:
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481 | lds si, [bp+DIALOG.fpDialogIO]
|
---|
482 | mov al, [si+FILE_DIALOG_IO.bDialogFlags]
|
---|
483 | ret
|
---|
484 |
|
---|
485 |
|
---|
486 | ;--------------------------------------------------------------------
|
---|
487 | ; ParseSelectionFromItemLineInDSSI
|
---|
488 | ; Parameters:
|
---|
489 | ; DS:SI: Ptr to char buffer containing file or directory to be selected
|
---|
490 | ; SS:BP: Ptr to DIALOG
|
---|
491 | ; Returns:
|
---|
492 | ; Nothing
|
---|
493 | ; Corrupts registers:
|
---|
494 | ; All, except BP
|
---|
495 | ;--------------------------------------------------------------------
|
---|
496 | ALIGN JUMP_ALIGN
|
---|
497 | ParseSelectionFromItemLineInDSSI:
|
---|
498 | mov ax, [si]
|
---|
499 | cmp ax, UPDIR_CHARACTERS
|
---|
500 | je SHORT .ChangeToUpdir
|
---|
501 | call Char_IsUpperCaseLetterInAL
|
---|
502 | jc SHORT .ParseAndChangeToSubdirInDSSI
|
---|
503 | call Char_IsDecimalDigitInAL
|
---|
504 | jc SHORT .ParseAndChangeToSubdirInDSSI ; Assume subdir and check for errors
|
---|
505 | ; Fall to .ParseAndSelectFileFromDSSI
|
---|
506 |
|
---|
507 | ;--------------------------------------------------------------------
|
---|
508 | ; .ParseAndSelectFileFromDSSI
|
---|
509 | ; Parameters:
|
---|
510 | ; DS:SI: NULL terminated string selected from dialog
|
---|
511 | ; SS:BP: Ptr to DIALOG
|
---|
512 | ; Returns:
|
---|
513 | ; Nothing (exits dialog)
|
---|
514 | ; Corrupts registers:
|
---|
515 | ; All, except BP
|
---|
516 | ;--------------------------------------------------------------------
|
---|
517 | .ParseAndSelectFileFromDSSI:
|
---|
518 | les di, [bp+DIALOG.fpDialogIO]
|
---|
519 | add di, BYTE FILE_DIALOG_IO.szFile
|
---|
520 | mov cx, FILENAME_BUFFER_SIZE-1
|
---|
521 | call Memory_CopyCXbytesFromDSSItoESDI
|
---|
522 | xor ax, ax
|
---|
523 | stosb ; Terminate with NULL
|
---|
524 | jmp SHORT CloseFileDialogAfterSuccessfulSelection
|
---|
525 |
|
---|
526 | ;--------------------------------------------------------------------
|
---|
527 | ; .ChangeToUpdir
|
---|
528 | ; Parameters:
|
---|
529 | ; SS:BP: Ptr to DIALOG
|
---|
530 | ; Returns:
|
---|
531 | ; Nothing
|
---|
532 | ; Corrupts registers:
|
---|
533 | ; All, except BP
|
---|
534 | ;--------------------------------------------------------------------
|
---|
535 | ALIGN JUMP_ALIGN
|
---|
536 | .ChangeToUpdir:
|
---|
537 | push cs
|
---|
538 | pop ds
|
---|
539 | mov si, g_szUpdir
|
---|
540 | jmp SHORT .ChangeDirectoryToDSSI
|
---|
541 |
|
---|
542 | ;--------------------------------------------------------------------
|
---|
543 | ; .ParseAndChangeToSubdirInDSSI
|
---|
544 | ; Parameters:
|
---|
545 | ; DS:SI: NULL terminated string selected from dialog
|
---|
546 | ; SS:BP: Ptr to DIALOG
|
---|
547 | ; Returns:
|
---|
548 | ; Nothing
|
---|
549 | ; Corrupts registers:
|
---|
550 | ; All, except BP
|
---|
551 | ;--------------------------------------------------------------------
|
---|
552 | ALIGN JUMP_ALIGN
|
---|
553 | .ParseAndChangeToSubdirInDSSI:
|
---|
554 | mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter)
|
---|
555 | .ChangeDirectoryToDSSI:
|
---|
556 | call Directory_ChangeToPathFromDSSI
|
---|
557 | jc SHORT .ParseAndSelectFileFromDSSI ; Must have been a file starting with number
|
---|
558 | ; Fall to RefreshFilesToDisplay
|
---|
559 |
|
---|
560 | ;--------------------------------------------------------------------
|
---|
561 | ; RefreshFilesToDisplay
|
---|
562 | ; Parameters:
|
---|
563 | ; SS:BP: Ptr to DIALOG
|
---|
564 | ; Returns:
|
---|
565 | ; Nothing
|
---|
566 | ; Corrupts registers:
|
---|
567 | ; All, except BP
|
---|
568 | ;--------------------------------------------------------------------
|
---|
569 | ALIGN JUMP_ALIGN
|
---|
570 | RefreshFilesToDisplay:
|
---|
571 | call ReInitializeMenuinitFromSSBP
|
---|
572 | jmp MenuInit_RefreshMenuWindow
|
---|
573 |
|
---|
574 |
|
---|
575 | ;--------------------------------------------------------------------
|
---|
576 | ; HandleFunctionKeyFromAH
|
---|
577 | ; Parameters:
|
---|
578 | ; AH: Scancode for function key
|
---|
579 | ; SS:BP: Ptr to DIALOG
|
---|
580 | ; Returns:
|
---|
581 | ; Nothing
|
---|
582 | ; Corrupts registers:
|
---|
583 | ; AX, SI, DI, BP
|
---|
584 | ;--------------------------------------------------------------------
|
---|
585 | ALIGN JUMP_ALIGN
|
---|
586 | HandleFunctionKeyFromAH:
|
---|
587 | call GetDialogFlagsToAL
|
---|
588 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR
|
---|
589 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory
|
---|
590 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY
|
---|
591 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
---|
592 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE
|
---|
593 | je SHORT HandleFunctionKeyForDriveChange
|
---|
594 | ReturnWithoutHandlingKeystroke:
|
---|
595 | clc ; Event not processed
|
---|
596 | ret
|
---|
597 |
|
---|
598 |
|
---|
599 | ;--------------------------------------------------------------------
|
---|
600 | ; HandleFunctionKeyForCreatingNewFileOrDirectory
|
---|
601 | ; Parameters:
|
---|
602 | ; AL: File dialog flags
|
---|
603 | ; SS:BP: Ptr to DIALOG
|
---|
604 | ; Returns:
|
---|
605 | ; Closes file dialog
|
---|
606 | ; Corrupts registers:
|
---|
607 | ; All, except BP
|
---|
608 | ;--------------------------------------------------------------------
|
---|
609 | ALIGN JUMP_ALIGN
|
---|
610 | HandleFunctionKeyForCreatingNewFileOrDirectory:
|
---|
611 | test al, FLG_FILEDIALOG_NEW
|
---|
612 | jz SHORT ReturnWithoutHandlingKeystroke
|
---|
613 |
|
---|
614 | mov cx, STRING_DIALOG_IO_size
|
---|
615 | call Memory_ReserveCXbytesFromStackToDSSI
|
---|
616 |
|
---|
617 | ;;; InitializeStringDialogIoInDSSIforInputtingFileName
|
---|
618 | call InitializeNullStringsToDialogInputInDSSI
|
---|
619 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory
|
---|
620 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL
|
---|
621 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE
|
---|
622 | les ax, [bp+DIALOG.fpDialogIO]
|
---|
623 | add ax, BYTE FILE_DIALOG_IO.szFile
|
---|
624 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax
|
---|
625 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es
|
---|
626 | ;;;
|
---|
627 |
|
---|
628 | CALL_MENU_LIBRARY GetStringWithIoInDSSI
|
---|
629 | mov al, [si+STRING_DIALOG_IO.bUserCancellation]
|
---|
630 | add sp, BYTE STRING_DIALOG_IO_size
|
---|
631 | test al, al ; User cancellation?
|
---|
632 | jnz SHORT ReturnWithoutHandlingKeystroke
|
---|
633 | jmp CloseFileDialogAfterSuccessfulSelection
|
---|
634 |
|
---|
635 |
|
---|
636 | ;--------------------------------------------------------------------
|
---|
637 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
---|
638 | ; Parameters:
|
---|
639 | ; AL: File dialog flags
|
---|
640 | ; SS:BP: Ptr to DIALOG
|
---|
641 | ; Returns:
|
---|
642 | ; Closes file dialog
|
---|
643 | ; Corrupts registers:
|
---|
644 | ; All, except BP
|
---|
645 | ;--------------------------------------------------------------------
|
---|
646 | ALIGN JUMP_ALIGN
|
---|
647 | HandleFunctionKeyForSelectingDirectoryInsteadOfFile:
|
---|
648 | test al, FLG_FILEDIALOG_DIRECTORY
|
---|
649 | jz SHORT ReturnWithoutHandlingKeystroke
|
---|
650 | ; Fall to CloseFileDialogAfterSuccessfulSelection
|
---|
651 |
|
---|
652 | ;--------------------------------------------------------------------
|
---|
653 | ; CloseFileDialogAfterSuccessfulSelection
|
---|
654 | ; Parameters:
|
---|
655 | ; SS:BP: Ptr to DIALOG
|
---|
656 | ; Returns:
|
---|
657 | ; Nothing (exits dialog)
|
---|
658 | ; Corrupts registers:
|
---|
659 | ; All, except BP
|
---|
660 | ;--------------------------------------------------------------------
|
---|
661 | ALIGN JUMP_ALIGN
|
---|
662 | CloseFileDialogAfterSuccessfulSelection:
|
---|
663 | lds di, [bp+DIALOG.fpDialogIO]
|
---|
664 | mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE
|
---|
665 | jmp MenuInit_CloseMenuWindow
|
---|
666 |
|
---|
667 |
|
---|
668 | ;--------------------------------------------------------------------
|
---|
669 | ; HandleFunctionKeyForDriveChange
|
---|
670 | ; Parameters:
|
---|
671 | ; AL: File dialog flags
|
---|
672 | ; SS:BP: Ptr to DIALOG
|
---|
673 | ; Returns:
|
---|
674 | ; Nothing
|
---|
675 | ; Corrupts registers:
|
---|
676 | ; All, except BP
|
---|
677 | ;--------------------------------------------------------------------
|
---|
678 | ALIGN JUMP_ALIGN
|
---|
679 | HandleFunctionKeyForDriveChange:
|
---|
680 | test al, FLG_FILEDIALOG_DRIVES
|
---|
681 | jz SHORT ReturnWithoutHandlingKeystroke
|
---|
682 |
|
---|
683 | call DisplayLoadingMessageInInformationArea
|
---|
684 | mov cx, DRIVE_DIALOG_IO_size
|
---|
685 | call Memory_ReserveCXbytesFromStackToDSSI
|
---|
686 | call .DisplayDriveSelectionDialogWithIoInDSSI
|
---|
687 | call .ChangeDriveToUserSelectionFromIoInDSSI
|
---|
688 | add sp, BYTE DRIVE_DIALOG_IO_size
|
---|
689 | .UserCancelledDriveChange:
|
---|
690 | ret
|
---|
691 |
|
---|
692 | ;--------------------------------------------------------------------
|
---|
693 | ; .DisplayDriveSelectionDialogWithIoInDSSI
|
---|
694 | ; Parameters:
|
---|
695 | ; DS:SI: Ptr to uninitialized DRIVE_DIALOG_IO
|
---|
696 | ; SS:BP: Ptr to DIALOG
|
---|
697 | ; Returns:
|
---|
698 | ; DS:SI: Ptr to DRIVE_DIALOG_IO
|
---|
699 | ; Corrupts registers:
|
---|
700 | ; AX, DI
|
---|
701 | ;--------------------------------------------------------------------
|
---|
702 | ALIGN JUMP_ALIGN
|
---|
703 | .DisplayDriveSelectionDialogWithIoInDSSI:
|
---|
704 | call InitializeNullStringsToDialogInputInDSSI
|
---|
705 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive
|
---|
706 | JMP_MENU_LIBRARY GetDriveWithIoInDSSI
|
---|
707 |
|
---|
708 | ;--------------------------------------------------------------------
|
---|
709 | ; .ChangeDriveToUserSelectionFromIoInDSSI
|
---|
710 | ; Parameters:
|
---|
711 | ; DS:SI: Ptr to DRIVE_DIALOG_IO
|
---|
712 | ; SS:BP: Ptr to DIALOG
|
---|
713 | ; Returns:
|
---|
714 | ; Nothing
|
---|
715 | ; Corrupts registers:
|
---|
716 | ; All, except BP
|
---|
717 | ;--------------------------------------------------------------------
|
---|
718 | ALIGN JUMP_ALIGN
|
---|
719 | .ChangeDriveToUserSelectionFromIoInDSSI:
|
---|
720 | cmp BYTE [si+DRIVE_DIALOG_IO.bUserCancellation], FALSE
|
---|
721 | jne SHORT .UserCancelledDriveChange
|
---|
722 |
|
---|
723 | ; Install our Custom Critical Error Handler to catch "Drive Not Ready" errors. This handler only works on DOS 3.0+ systems
|
---|
724 | ; but that should be OK because only DOS 3.1+ will trigger it. Under older DOS versions drives are enumerated using
|
---|
725 | ; GET_DOS_DRIVE_PARAMETER_BLOCK_FOR_SPECIFIC_DRIVE which will access the drive so we know it is available at this point.
|
---|
726 | mov dx, DosCritical_CustomHandler
|
---|
727 | call DosCritical_InstallNewHandlerFromCSDX
|
---|
728 |
|
---|
729 | ; Save the current drive on stack in case the selected drive is not ready and the user decides to cancel the change.
|
---|
730 | call Drive_GetDefaultToAL
|
---|
731 | xchg dx, ax
|
---|
732 |
|
---|
733 | .RetryDrive:
|
---|
734 | push dx ; Save the previous current drive to stack
|
---|
735 |
|
---|
736 | mov dl, [si+DRIVE_DIALOG_IO.bReturnDriveNumber]
|
---|
737 | call Drive_SetDefaultFromDL
|
---|
738 |
|
---|
739 | ; Now we must try to force a media access to catch "Drive Not Ready".
|
---|
740 | push ds
|
---|
741 | push ss
|
---|
742 | pop ds
|
---|
743 | ePUSH_T ax, CURRENTDIR_CHARACTERS
|
---|
744 | mov cx, FLG_FILEATTR_DIRECTORY
|
---|
745 | mov dx, sp
|
---|
746 | mov ax, FIND_FIRST_MATCHING_FILE<<8
|
---|
747 | int DOS_INTERRUPT_21h
|
---|
748 | ; Returns ERR_DOS_NO_MORE_FILES only when the root directory is the current directory (at least under Windows XP).
|
---|
749 | cmp al, ERR_DOS_PATH_NOT_FOUND
|
---|
750 | pop ax
|
---|
751 | pop ds
|
---|
752 |
|
---|
753 | pop dx ; Restore the previous current drive from stack
|
---|
754 |
|
---|
755 | xchg ah, [cs:bLastCriticalError] ; Zero bLastCriticalError and fetch error code to AH
|
---|
756 | je SHORT .DriveIsNotReady ; A removable drive with no media (or possibly a drive that has not been formatted?)
|
---|
757 | cmp ah, ERR_DOS_DRIVE_NOT_READY
|
---|
758 | jne SHORT .DriveIsReady
|
---|
759 | .DriveIsNotReady:
|
---|
760 | mov bx, g_szDlgDriveNotReady
|
---|
761 | call Dialogs_DisplayYesNoResponseDialogWithTitleStringInBX
|
---|
762 | jz SHORT .RetryDrive
|
---|
763 | ; The user cancelled the drive change. Restore current drive to what it was previously.
|
---|
764 | call Drive_SetDefaultFromDL
|
---|
765 | jmp DosCritical_RestoreDosHandler
|
---|
766 |
|
---|
767 | .DriveIsReady:
|
---|
768 | call DosCritical_RestoreDosHandler
|
---|
769 | jmp RefreshFilesToDisplay
|
---|
770 |
|
---|
771 |
|
---|
772 | ;--------------------------------------------------------------------
|
---|
773 | ; DisplayLoadingMessageInInformationArea
|
---|
774 | ; Parameters:
|
---|
775 | ; SS:BP: Ptr to DIALOG
|
---|
776 | ; Returns:
|
---|
777 | ; Nothing
|
---|
778 | ; Corrupts registers:
|
---|
779 | ; AX, BX, CX, DX, SI, DI
|
---|
780 | ;--------------------------------------------------------------------
|
---|
781 | ALIGN JUMP_ALIGN
|
---|
782 | DisplayLoadingMessageInInformationArea:
|
---|
783 | call MenuText_ClearInformationArea
|
---|
784 | call MenuText_PrepareToDrawInformationArea
|
---|
785 | mov si, g_szLoadingPleaseWait
|
---|
786 | JMP_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
|
---|
787 |
|
---|
788 |
|
---|
789 | ;--------------------------------------------------------------------
|
---|
790 | ; InitializeNullStringsToDialogInputInDSSI
|
---|
791 | ; Parameters:
|
---|
792 | ; DS:SI: Ptr to DIALOG_INPUT
|
---|
793 | ; SS:BP: Ptr to DIALOG
|
---|
794 | ; Returns:
|
---|
795 | ; Nothing
|
---|
796 | ; Corrupts registers:
|
---|
797 | ; AX
|
---|
798 | ;--------------------------------------------------------------------
|
---|
799 | ALIGN JUMP_ALIGN
|
---|
800 | InitializeNullStringsToDialogInputInDSSI:
|
---|
801 | mov ax, g_szNull
|
---|
802 | mov [si+DIALOG_INPUT.fszTitle], ax
|
---|
803 | mov [si+DIALOG_INPUT.fszTitle+2], cs
|
---|
804 | mov [si+DIALOG_INPUT.fszItems], ax
|
---|
805 | mov [si+DIALOG_INPUT.fszItems+2], cs
|
---|
806 | mov [si+DIALOG_INPUT.fszInfo], ax
|
---|
807 | mov [si+DIALOG_INPUT.fszInfo+2], cs
|
---|
808 | ret
|
---|