1 | ; File name : DialogFile.asm
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2 | ; Project name : Assembly Library
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3 | ; Created date : 6.9.2010
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4 | ; Last update : 4.10.2010
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5 | ; Author : Tomi Tilli
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6 | ; Description : Displays file dialog.
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7 |
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8 |
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9 | CURRENTDIR_CHARACTERS EQU 002Eh
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10 | UPDIR_CHARACTERS EQU 2E2Eh
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11 |
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12 | ; Section containing code
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13 | SECTION .text
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14 |
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15 | ;--------------------------------------------------------------------
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16 | ; DialogFile_GetFileNameWithIoInDSSI
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17 | ; Parameters:
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18 | ; DS:SI: Ptr to FILE_DIALOG_IO
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19 | ; SS:BP: Ptr to parent MENU
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20 | ; Returns:
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21 | ; Nothing
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22 | ; Corrupts registers:
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23 | ; AX, BX, CX, DX, SI, DI
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24 | ;--------------------------------------------------------------------
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25 | ALIGN JUMP_ALIGN
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26 | DialogFile_GetFileNameWithIoInDSSI:
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27 | mov bx, FileEventHandler
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28 | mov BYTE [si+FILE_DIALOG_IO.bUserCancellation], TRUE
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29 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX
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30 |
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31 |
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32 | ;--------------------------------------------------------------------
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33 | ; FileEventHandler
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34 | ; Common parameters for all events:
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35 | ; BX: Menu event (anything from MENUEVENT struct)
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36 | ; SS:BP: Ptr to DIALOG
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37 | ; Common return values for all events:
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38 | ; CF: Set if event processed
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39 | ; Cleared if event not processed
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40 | ; Corrupts registers:
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41 | ; All
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42 | ;--------------------------------------------------------------------
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43 | ALIGN JUMP_ALIGN
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44 | FileEventHandler:
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45 | jmp [cs:bx+.rgfnEventHandlers]
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46 |
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47 |
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48 | ALIGN JUMP_ALIGN
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49 | .ItemSelectedFromCX:
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50 | call LoadItemStringBufferToESDI
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51 | call LineSplitter_GetOffsetToSIforLineCXfromStringInESDI
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52 | push es
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53 | pop ds
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54 | jmp ParseSelectionFromItemLineInDSSI
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55 |
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56 |
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57 | ALIGN JUMP_ALIGN
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58 | .RefreshInformation:
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59 | call GetInfoLinesToCXandDialogFlagsToAX
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60 | mov si, [cs:.rgszInfoStringLookup]
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61 | xor bx, bx
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62 | xchg dx, ax
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63 | ALIGN JUMP_ALIGN
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64 | .InfoLineLoop:
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65 | shr dl, 1
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66 | jnc SHORT .CheckNextFlag
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67 | mov si, [cs:bx+.rgszInfoStringLookup]
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68 | push bx
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69 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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70 | pop bx
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71 | ALIGN JUMP_ALIGN
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72 | .CheckNextFlag:
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73 | inc bx
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74 | inc bx
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75 | loop .InfoLineLoop
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76 | stc ; Event processed
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77 | ret
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78 |
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79 |
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80 | ALIGN WORD_ALIGN
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81 | .rgszInfoStringLookup:
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82 | dw g_szChangeDrive
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83 | dw g_szSelectDirectory
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84 | dw g_szCreateNew
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85 |
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86 | .rgfnEventHandlers:
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87 | istruc MENUEVENT
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88 | at MENUEVENT.InitializeMenuinitFromDSSI, dw InitializeMenuinitFromSSBP
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89 | at MENUEVENT.ExitMenu, dw Dialog_EventNotHandled
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90 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled
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91 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled
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92 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX
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93 | at MENUEVENT.KeyStrokeInAX, dw HandleFunctionKeyFromAH
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94 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle
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95 | at MENUEVENT.RefreshInformation, dw .RefreshInformation
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96 | at MENUEVENT.RefreshItemFromCX, dw Dialog_EventRefreshItemFromCX
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97 | iend
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98 |
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99 |
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100 | ;--------------------------------------------------------------------
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101 | ; InitializeMenuinitFromSSBP
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102 | ; Parameters:
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103 | ; DS:SI: Ptr to MENUINIT to initialize (also points to DIALOG)
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104 | ; SS:BP: Ptr to DIALOG
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105 | ; Returns:
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106 | ; Nothing
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107 | ; Corrupts registers:
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108 | ; All, except BP
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109 | ;--------------------------------------------------------------------
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110 | ALIGN JUMP_ALIGN
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111 | InitializeMenuinitFromSSBP:
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112 | call LoadItemStringBufferToESDI
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113 | call CreateStringFromCurrentDirectoryContentsToESDI
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114 | call LoadItemStringBufferToESDI
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115 | call SortDirectoryContentsStringFromESDIwithCountInCX
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116 | push ss
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117 | pop ds
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118 | mov si, bp
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119 | call Dialog_EventInitializeMenuinitFromDSSI
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120 | call GetInfoLinesToCXandDialogFlagsToAX
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121 | mov [bp+MENUINIT.bInfoLines], cl
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122 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
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123 | mov [bp+MENUINIT.bHeight], ah ; Always max height
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124 | xor ax, ax
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125 | mov [bp+MENU.wHighlightedItem], ax
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126 | mov [bp+MENU.wFirstVisibleItem], ax
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127 | ret
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128 |
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129 |
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130 | ;--------------------------------------------------------------------
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131 | ; LoadItemStringBufferToESDI
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132 | ; Parameters:
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133 | ; SS:BP: Ptr to DIALOG
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134 | ; Returns:
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135 | ; ES:DI: Ptr to item string buffer
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136 | ; Corrupts registers:
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137 | ; Nothing
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138 | ;--------------------------------------------------------------------
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139 | ALIGN JUMP_ALIGN
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140 | LoadItemStringBufferToESDI:
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141 | les di, [bp+DIALOG.fpDialogIO]
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142 | les di, [es:di+FILE_DIALOG_IO.fszItemBuffer]
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143 | ret
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144 |
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145 |
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146 | ;--------------------------------------------------------------------
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147 | ; CreateStringFromCurrentDirectoryContentsToESDI
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148 | ; Parameters:
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149 | ; ES:DI: Buffer where to create item string
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150 | ; SS:BP: Ptr to DIALOG
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151 | ; Returns:
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152 | ; CX: Number of files or directories found
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153 | ; Corrupts registers:
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154 | ; AX, DX, SI, DI, DS, ES
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155 | ;--------------------------------------------------------------------
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156 | ALIGN JUMP_ALIGN
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157 | CreateStringFromCurrentDirectoryContentsToESDI:
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158 | lds si, [bp+DIALOG.fpDialogIO]
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159 | eMOVZX cx, BYTE [si+FILE_DIALOG_IO.bFileAttributes]
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160 | lds si, [si+FILE_DIALOG_IO.fpFileFilterString]
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161 | call Directory_UpdateDTAForFirstMatchForDSSIwithAttributesInCX
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162 | rcr cx, 1 ; Store CF
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163 | call .ClearDLifInRootDirectory
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164 | call Directory_GetDiskTransferAreaAddressToDSSI
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165 | rcl cx, 1 ; Restore CF
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166 | xor cx, cx ; Clear file/directory count
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167 | ; Fall to .FindMatchingFilesAndWriteThemToESDI
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168 |
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169 | ;--------------------------------------------------------------------
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170 | ; .FindMatchingFilesAndWriteThemToESDI
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171 | ; Parameters:
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172 | ; CX: Initial directory count
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173 | ; DL: Zero if root directory selected
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174 | ; DS:SI: Ptr to DTA with first matching file
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175 | ; ES:DI: Ptr to destination string buffer
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176 | ; Returns:
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177 | ; CX: Incremented by number of files/directories found
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178 | ; Corrupts registers:
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179 | ; AX, DX, DI
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180 | ;--------------------------------------------------------------------
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181 | ;ALIGN JUMP_ALIGN
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182 | .FindMatchingFilesAndWriteThemToESDI:
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183 | jc SHORT TerminateESDIwithNull
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184 | call AppendFileToBufferInESDIfromDtaInDSSI
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185 | call Directory_UpdateDTAForNextMatchUsingPreviousParameters
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186 | jmp SHORT .FindMatchingFilesAndWriteThemToESDI
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187 |
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188 | ;--------------------------------------------------------------------
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189 | ; .ClearDLifInRootDirectory
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190 | ; Parameters:
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191 | ; SS:BP: Ptr to DIALOG
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192 | ; ES:DI: Ptr to destination string buffer
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193 | ; Returns:
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194 | ; DL: Cleared if in root directory
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195 | ; Set if in any other directory
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196 | ; Corrupts registers:
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197 | ; AX, SI, DS
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198 | ;--------------------------------------------------------------------
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199 | ALIGN JUMP_ALIGN
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200 | .ClearDLifInRootDirectory:
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201 | push es
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202 | pop ds
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203 | mov si, di
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204 | call Directory_WriteCurrentPathToDSSI
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205 | mov dl, [si]
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206 | ret
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207 |
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208 |
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209 | ;--------------------------------------------------------------------
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210 | ; TerminateESDIwithNull
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211 | ; Parameters:
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212 | ; ES:DI: Ptr to destination string buffer
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213 | ; Returns:
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214 | ; Nothing
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215 | ; Corrupts registers:
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216 | ; AX
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217 | ;--------------------------------------------------------------------
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218 | ALIGN JUMP_ALIGN
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219 | TerminateESDIwithNull:
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220 | xor ax, ax
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221 | stosb
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222 | ret
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223 |
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224 |
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225 | ;--------------------------------------------------------------------
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226 | ; AppendFileToBufferInESDIfromDtaInDSSI
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227 | ; Parameters:
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228 | ; CX: Files/directores found
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229 | ; DL: Zero if root directory selected
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230 | ; DS:SI: Ptr to DTA containing file information
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231 | ; ES:DI: Ptr to destination string buffer
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232 | ; Returns:
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233 | ; CX: Incremented by number of files/directories found
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234 | ; DI: Updated for next file
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235 | ; Corrupts registers:
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236 | ; AX, BX, DX
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237 | ;--------------------------------------------------------------------
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238 | ALIGN JUMP_ALIGN
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239 | AppendFileToBufferInESDIfromDtaInDSSI:
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240 | call .FilterCurrentDirectory ; We never want "."
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241 | call .FilterUpDirectoryWhenInRoot ; No ".." when in root directory
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242 | inc cx ; Nothing filtered so increment files/directories
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243 | ; Fall to .PrepareBufferFormattingAndFormatFromDTAinDSSI
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244 |
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245 | ;--------------------------------------------------------------------
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246 | ; .PrepareBufferFormattingAndFormatFromDTAinDSSI
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247 | ; Parameters:
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248 | ; DS:SI: Ptr to DTA containing file information
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249 | ; ES:DI: Ptr to destination string buffer
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250 | ; Returns:
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251 | ; DI: Updated for next file
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252 | ; Corrupts registers:
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253 | ; AX, BX, DX
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254 | ;--------------------------------------------------------------------
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255 | ;ALIGN JUMP_ALIGN
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256 | .PrepareBufferFormattingAndFormatFromDTAinDSSI:
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257 | push bp
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258 | push si
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259 | push cx
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260 | mov bx, di
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261 | CALL_DISPLAY_LIBRARY PushDisplayContext
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262 |
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263 | xchg ax, bx
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264 | mov bx, es
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265 | CALL_DISPLAY_LIBRARY SetCharacterPointerFromBXAX
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266 | mov bl, ATTRIBUTES_NOT_USED
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267 | mov ax, BUFFER_OUTPUT_WITH_CHAR_ONLY
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268 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
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269 |
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270 | call .FormatFileOrDirectoryToBufferFromDTAinDSSI
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271 |
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272 | CALL_DISPLAY_LIBRARY GetCharacterPointerToBXAX
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273 | mov es, bx
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274 | xchg bx, ax
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275 | CALL_DISPLAY_LIBRARY PopDisplayContext
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276 | mov di, bx
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277 | pop cx
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278 | pop si
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279 | pop bp
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280 | ret
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281 |
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282 | ;--------------------------------------------------------------------
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283 | ; .FormatFileOrDirectoryToBufferFromDTAinDSSI
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284 | ; Parameters:
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285 | ; DS:SI: Ptr to DTA containing file information
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286 | ; Returns:
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287 | ; Nothing
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288 | ; Corrupts registers:
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289 | ; AX, BX, CX, DX, SI, DI, BP
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290 | ;--------------------------------------------------------------------
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291 | ALIGN JUMP_ALIGN
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292 | .FormatFileOrDirectoryToBufferFromDTAinDSSI:
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293 | mov bp, sp
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294 | lea ax, [si+DTA.szFile]
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295 |
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296 | test BYTE [si+DTA.bFileAttributes], FLG_FILEATTR_DIRECTORY
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297 | jnz SHORT .FormatDirectory
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298 | ; Fall to .FormatFile
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299 |
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300 | ;--------------------------------------------------------------------
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301 | ; .FormatFile
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302 | ; Parameters:
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303 | ; BP: SP before pushing formatting parameters
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304 | ; DS:AX: Far pointer to file name
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305 | ; DS:SI: Ptr to DTA containing file information
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306 | ; Returns:
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307 | ; Nothing
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308 | ; Corrupts registers:
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309 | ; AX, BX, CX, DX, SI, DI, BP
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310 | ;--------------------------------------------------------------------
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311 | .FormatFile:
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312 | ; Push parameters for file name
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313 | xchg si, ax
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314 | call String_ConvertDSSItoLowerCase
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315 | xchg ax, si
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316 | push ax ; Push directory name offset
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317 | push ds ; Push directory name segment
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318 |
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319 | ; Push parameters for file size
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320 | mov ax, [si+DTA.dwFileSize]
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321 | mov dx, [si+DTA.dwFileSize+2]
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322 | xor bx, bx
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323 | xor cx, cx
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324 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
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325 | mov cl, 'i'
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326 | cmp dl, ' '
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327 | eCMOVE cl, dl
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328 | push ax
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329 | push dx
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330 | push cx
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331 |
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332 | ; Format to buffer
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333 | mov si, g_szFileFormat
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334 | jmp SHORT .FormatStringInCSSIandReturn
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335 |
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336 | ;--------------------------------------------------------------------
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337 | ; .FormatDirectory
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338 | ; Parameters:
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339 | ; BP: SP before pushing formatting parameters
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340 | ; DS:AX: Far pointer to directory name
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341 | ; DS:SI: Ptr to DTA containing file information
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342 | ; Returns:
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343 | ; Nothing
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344 | ; Corrupts registers:
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345 | ; AX, BX, CX, DX, SI, DI, BP
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346 | ;--------------------------------------------------------------------
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347 | ALIGN JUMP_ALIGN
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348 | .FormatDirectory:
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349 | push ax ; Push directory name offset
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350 | push ds ; Push directory name segment
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351 | mov ax, g_szSub
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352 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS
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353 | eCMOVE ax, g_szUp
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354 | push ax
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355 | mov si, g_szDirectoryFormat
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356 | ALIGN JUMP_ALIGN
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357 | .FormatStringInCSSIandReturn:
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358 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
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359 | ret
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360 |
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361 | ;--------------------------------------------------------------------
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362 | ; .FilterCurrentDirectory
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363 | ; .FilterUpDirectoryWhenInRoot
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364 | ; Parameters:
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365 | ; DL: Zero if root directory selected
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366 | ; DS:SI: Ptr to DTA containing file information
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367 | ; Returns:
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368 | ; Nothing
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369 | ; Returns from AppendFileToBufferInESDIfromDtaInDSSI when filtering
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370 | ; Corrupts registers:
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371 | ; AX
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372 | ;--------------------------------------------------------------------
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373 | ALIGN JUMP_ALIGN
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374 | .FilterCurrentDirectory:
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375 | cmp WORD [si+DTA.szFile], CURRENTDIR_CHARACTERS
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376 | jne SHORT .ReturnWithoutFiltering
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377 | add sp, BYTE 2 ; Remove return address from stack
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378 | ret
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379 |
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380 | ALIGN JUMP_ALIGN
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381 | .FilterUpDirectoryWhenInRoot:
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382 | test dl, dl ; Set ZF if root directory selected
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383 | jnz SHORT .ReturnWithoutFiltering
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384 | cmp WORD [si+DTA.szFile], UPDIR_CHARACTERS
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385 | jne SHORT .ReturnWithoutFiltering
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386 | add sp, BYTE 2 ; Remove return address from stack
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387 | ALIGN JUMP_ALIGN, ret
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388 | .ReturnWithoutFiltering:
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389 | ret
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390 |
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391 |
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392 | ;--------------------------------------------------------------------
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393 | ; SortDirectoryContentsStringFromESDIwithCountInCX
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394 | ; Parameters:
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395 | ; CX: Number of files and directories
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396 | ; ES:DI: Buffer containing directory contents string
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397 | ; SS:BP: Ptr to DIALOG
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398 | ; Returns:
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399 | ; Nothing
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400 | ; Corrupts registers:
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401 | ; AX, BX, CX, DX, SI, DI, DS, ES
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402 | ;--------------------------------------------------------------------
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403 | ALIGN JUMP_ALIGN
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404 | SortDirectoryContentsStringFromESDIwithCountInCX:
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405 | call Memory_ExchangeDSSIwithESDI
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406 | mov bx, .FileStringComparator
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407 | xchg dx, cx
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408 | mov cx, FILE_STRING_LENGTH
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409 | jmp Sort_ItemsFromDSSIwithCountInDXsizeInCXandComparatorInBX
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410 |
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411 | ;--------------------------------------------------------------------
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412 | ; .FileStringComparator
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413 | ; Parameters:
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414 | ; CX: Item size in bytes
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415 | ; DS:SI: Ptr to first item to compare
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416 | ; ES:DI: Ptr to second item to compare
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417 | ; Returns:
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418 | ; FLAGS: Signed comparition between first and second item
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419 | ; Corrupts registers:
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420 | ; Nothing
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421 | ;--------------------------------------------------------------------
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422 | ALIGN JUMP_ALIGN
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423 | .FileStringComparator:
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424 | push di
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425 | push si
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426 | push cx
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427 | push bx
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428 |
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429 | mov bx, FILE_STRING_LENGTH-2 ; Zero BH
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430 | cmp WORD [si], UPDIR_CHARACTERS
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431 | je SHORT .ForceValueFromDSSItoBeLess
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432 | mov bl, [si+bx]
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433 | cmp bl, [es:di+FILE_STRING_LENGTH-2] ; 'B' for files, 'R' for directories
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434 | jne SHORT .ForceValueFromDSSItoBeMoreOrLess
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435 | repe cmpsb ; Two directories or two files
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436 |
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437 | ALIGN JUMP_ALIGN
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438 | .ReturnFromComparison:
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439 | pop bx
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440 | pop cx
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441 | pop si
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442 | pop di
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443 | ret
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444 | ALIGN JUMP_ALIGN
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445 | .ForceValueFromDSSItoBeMoreOrLess:
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446 | ja SHORT .ForceValueFromDSSItoBeLess ; Directory in SI, file in DI
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447 | xchg bl, bh
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448 | ; Fall to ForceValueFromDSSItoBeLess
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449 | ALIGN JUMP_ALIGN
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450 | .ForceValueFromDSSItoBeLess:
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451 | cmp bh, bl
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452 | jmp SHORT .ReturnFromComparison
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453 |
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454 |
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455 | ;--------------------------------------------------------------------
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456 | ; GetInfoLinesToCXandDialogFlagsToAX
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457 | ; Parameters:
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458 | ; SS:BP: Ptr to DIALOG
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459 | ; Returns:
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460 | ; AX: Dialog flags
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461 | ; CX: Number of info lines to be displayed
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462 | ; Corrupts registers:
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463 | ; SI, DS
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464 | ;--------------------------------------------------------------------
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465 | ALIGN JUMP_ALIGN
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466 | GetInfoLinesToCXandDialogFlagsToAX:
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467 | xor ax, ax
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468 | call GetDialogFlagsToAL
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469 | jmp Bit_GetSetCountToCXfromAX
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470 |
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471 | ;--------------------------------------------------------------------
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472 | ; GetDialogFlagsToAL
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473 | ; Parameters:
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474 | ; SS:BP: Ptr to DIALOG
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475 | ; Returns:
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476 | ; AL: Dialog flags
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477 | ; Corrupts registers:
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478 | ; SI, DS
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479 | ;--------------------------------------------------------------------
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480 | ALIGN JUMP_ALIGN
|
---|
481 | GetDialogFlagsToAL:
|
---|
482 | lds si, [bp+DIALOG.fpDialogIO]
|
---|
483 | mov al, [si+FILE_DIALOG_IO.bDialogFlags]
|
---|
484 | ret
|
---|
485 |
|
---|
486 |
|
---|
487 | ;--------------------------------------------------------------------
|
---|
488 | ; ParseSelectionFromItemLineInDSSI
|
---|
489 | ; Parameters:
|
---|
490 | ; DS:SI: Ptr to char buffer containing file or directory to be selected
|
---|
491 | ; SS:BP: Ptr to DIALOG
|
---|
492 | ; Returns:
|
---|
493 | ; Nothing
|
---|
494 | ; Corrupts registers:
|
---|
495 | ; All, except BP
|
---|
496 | ;--------------------------------------------------------------------
|
---|
497 | ALIGN JUMP_ALIGN
|
---|
498 | ParseSelectionFromItemLineInDSSI:
|
---|
499 | mov ax, [si]
|
---|
500 | cmp ax, UPDIR_CHARACTERS
|
---|
501 | je SHORT .ChangeToUpdir
|
---|
502 | call Char_IsUpperCaseLetterInAL
|
---|
503 | jc SHORT .ParseAndChangeToSubdirInDSSI
|
---|
504 | ; Fall to .ParseAndSelectFileFromDSSI
|
---|
505 |
|
---|
506 | ;--------------------------------------------------------------------
|
---|
507 | ; .ParseAndSelectFileFromDSSI
|
---|
508 | ; Parameters:
|
---|
509 | ; DS:SI: NULL terminated string selected from dialog
|
---|
510 | ; SS:BP: Ptr to DIALOG
|
---|
511 | ; Returns:
|
---|
512 | ; Nothing (exits dialog)
|
---|
513 | ; Corrupts registers:
|
---|
514 | ; All, except BP
|
---|
515 | ;--------------------------------------------------------------------
|
---|
516 | .ParseAndSelectFileFromDSSI:
|
---|
517 | les di, [bp+DIALOG.fpDialogIO]
|
---|
518 | add di, BYTE FILE_DIALOG_IO.szFile
|
---|
519 | mov cx, FILENAME_BUFFER_SIZE-1
|
---|
520 | cld
|
---|
521 | rep movsb
|
---|
522 | xor ax, ax
|
---|
523 | stosb ; Terminate with NULL
|
---|
524 | jmp CloseFileDialogAfterSuccessfullSelection
|
---|
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 | mov si, g_szUpdir
|
---|
538 | jmp SHORT .ChangeDirectoryToDSSI
|
---|
539 |
|
---|
540 | ;--------------------------------------------------------------------
|
---|
541 | ; .ParseAndChangeToSubdirInDSSI
|
---|
542 | ; Parameters:
|
---|
543 | ; DS:SI: NULL terminated string selected from dialog
|
---|
544 | ; SS:BP: Ptr to DIALOG
|
---|
545 | ; Returns:
|
---|
546 | ; Nothing
|
---|
547 | ; Corrupts registers:
|
---|
548 | ; All, except BP
|
---|
549 | ;--------------------------------------------------------------------
|
---|
550 | ALIGN JUMP_ALIGN
|
---|
551 | .ParseAndChangeToSubdirInDSSI:
|
---|
552 | mov BYTE [si+12], NULL ; Terminate with NULL (unnecessary spaces do not matter)
|
---|
553 | .ChangeDirectoryToDSSI:
|
---|
554 | call Directory_ChangeToPathFromDSSI
|
---|
555 | ; Fall to RefreshFilesToDisplay
|
---|
556 |
|
---|
557 | ;--------------------------------------------------------------------
|
---|
558 | ; RefreshFilesToDisplay
|
---|
559 | ; Parameters:
|
---|
560 | ; SS:BP: Ptr to DIALOG
|
---|
561 | ; Returns:
|
---|
562 | ; Nothing
|
---|
563 | ; Corrupts registers:
|
---|
564 | ; All, except BP
|
---|
565 | ;--------------------------------------------------------------------
|
---|
566 | ALIGN JUMP_ALIGN
|
---|
567 | RefreshFilesToDisplay:
|
---|
568 | call InitializeMenuinitFromSSBP
|
---|
569 | jmp MenuInit_RefreshMenuWindow
|
---|
570 |
|
---|
571 |
|
---|
572 | ;--------------------------------------------------------------------
|
---|
573 | ; HandleFunctionKeyFromAH
|
---|
574 | ; Parameters:
|
---|
575 | ; AH: Scancode for function key
|
---|
576 | ; SS:BP: Ptr to DIALOG
|
---|
577 | ; Returns:
|
---|
578 | ; Nothing
|
---|
579 | ; Corrupts registers:
|
---|
580 | ; AX, SI, DI, BP
|
---|
581 | ;--------------------------------------------------------------------
|
---|
582 | ALIGN JUMP_ALIGN
|
---|
583 | HandleFunctionKeyFromAH:
|
---|
584 | call GetDialogFlagsToAL
|
---|
585 | cmp ah, KEY_FILEDIALOG_NEW_FILE_OR_DIR
|
---|
586 | je SHORT HandleFunctionKeyForCreatingNewFileOrDirectory
|
---|
587 | cmp ah, KEY_FILEDIALOG_SELECT_DIRECTORY
|
---|
588 | je SHORT HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
---|
589 | cmp ah, KEY_FILEDIALOG_CHANGE_DRIVE
|
---|
590 | je SHORT HandleFunctionKeyForDriveChange
|
---|
591 | ReturnWithoutHandlingKeystroke:
|
---|
592 | clc ; Event not processed
|
---|
593 | ret
|
---|
594 |
|
---|
595 |
|
---|
596 | ;--------------------------------------------------------------------
|
---|
597 | ; HandleFunctionKeyForCreatingNewFileOrDirectory
|
---|
598 | ; Parameters:
|
---|
599 | ; AL: File dialog flags
|
---|
600 | ; SS:BP: Ptr to DIALOG
|
---|
601 | ; Returns:
|
---|
602 | ; Closes file dialog
|
---|
603 | ; Corrupts registers:
|
---|
604 | ; All, except BP
|
---|
605 | ;--------------------------------------------------------------------
|
---|
606 | ALIGN JUMP_ALIGN
|
---|
607 | HandleFunctionKeyForCreatingNewFileOrDirectory:
|
---|
608 | test al, FLG_FILEDIALOG_NEW
|
---|
609 | jz SHORT ReturnWithoutHandlingKeystroke
|
---|
610 |
|
---|
611 | mov cx, STRING_DIALOG_IO_size
|
---|
612 | call Memory_ReserveCXbytesFromStackToDSSI
|
---|
613 | call .InitializeStringDialogIoInDSSIforInputtingFileName
|
---|
614 |
|
---|
615 | CALL_MENU_LIBRARY GetStringWithIoInDSSI
|
---|
616 | mov al, [si+STRING_DIALOG_IO.bUserCancellation]
|
---|
617 | add sp, BYTE STRING_DIALOG_IO_size
|
---|
618 | test al, al ; User cancellation?
|
---|
619 | jnz SHORT ReturnWithoutHandlingKeystroke
|
---|
620 | jmp CloseFileDialogAfterSuccessfullSelection
|
---|
621 |
|
---|
622 | ALIGN JUMP_ALIGN
|
---|
623 | .InitializeStringDialogIoInDSSIforInputtingFileName:
|
---|
624 | call InitializeNullStringsToDialogInputInDSSI
|
---|
625 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szEnterNewFileOrDirectory
|
---|
626 | mov WORD [si+STRING_DIALOG_IO.fnCharFilter], NULL
|
---|
627 | mov WORD [si+STRING_DIALOG_IO.wBufferSize], FILENAME_BUFFER_SIZE
|
---|
628 | les ax, [bp+DIALOG.fpDialogIO]
|
---|
629 | add ax, BYTE FILE_DIALOG_IO.szFile
|
---|
630 | mov [si+STRING_DIALOG_IO.fpReturnBuffer], ax
|
---|
631 | mov [si+STRING_DIALOG_IO.fpReturnBuffer+2], es
|
---|
632 | ret
|
---|
633 |
|
---|
634 |
|
---|
635 | ;--------------------------------------------------------------------
|
---|
636 | ; HandleFunctionKeyForSelectingDirectoryInsteadOfFile
|
---|
637 | ; Parameters:
|
---|
638 | ; AL: File dialog flags
|
---|
639 | ; SS:BP: Ptr to DIALOG
|
---|
640 | ; Returns:
|
---|
641 | ; Closes file dialog
|
---|
642 | ; Corrupts registers:
|
---|
643 | ; All, except BP
|
---|
644 | ;--------------------------------------------------------------------
|
---|
645 | ALIGN JUMP_ALIGN
|
---|
646 | HandleFunctionKeyForSelectingDirectoryInsteadOfFile:
|
---|
647 | test al, FLG_FILEDIALOG_DIRECTORY
|
---|
648 | jz SHORT ReturnWithoutHandlingKeystroke
|
---|
649 | ; Fall to CloseFileDialogAfterSuccessfullSelection
|
---|
650 |
|
---|
651 | ;--------------------------------------------------------------------
|
---|
652 | ; CloseFileDialogAfterSuccessfullSelection
|
---|
653 | ; Parameters:
|
---|
654 | ; SS:BP: Ptr to DIALOG
|
---|
655 | ; Returns:
|
---|
656 | ; Nothing (exits dialog)
|
---|
657 | ; Corrupts registers:
|
---|
658 | ; All, except BP
|
---|
659 | ;--------------------------------------------------------------------
|
---|
660 | ALIGN JUMP_ALIGN
|
---|
661 | CloseFileDialogAfterSuccessfullSelection:
|
---|
662 | lds di, [bp+DIALOG.fpDialogIO]
|
---|
663 | mov BYTE [di+FILE_DIALOG_IO.bUserCancellation], FALSE
|
---|
664 | jmp MenuInit_CloseMenuWindow
|
---|
665 |
|
---|
666 |
|
---|
667 | ;--------------------------------------------------------------------
|
---|
668 | ; HandleFunctionKeyForDriveChange
|
---|
669 | ; Parameters:
|
---|
670 | ; AL: File dialog flags
|
---|
671 | ; SS:BP: Ptr to DIALOG
|
---|
672 | ; Returns:
|
---|
673 | ; Nothing
|
---|
674 | ; Corrupts registers:
|
---|
675 | ; All, except BP
|
---|
676 | ;--------------------------------------------------------------------
|
---|
677 | ALIGN JUMP_ALIGN
|
---|
678 | HandleFunctionKeyForDriveChange:
|
---|
679 | test al, FLG_FILEDIALOG_DRIVES
|
---|
680 | jz SHORT ReturnWithoutHandlingKeystroke
|
---|
681 |
|
---|
682 | call .ShowDriveSelectionDialogAndGetDriveNumberToDL
|
---|
683 | jnc SHORT RefreshFilesToDisplay
|
---|
684 | call Drive_SetDefaultFromDL
|
---|
685 | jmp SHORT RefreshFilesToDisplay
|
---|
686 |
|
---|
687 | ;--------------------------------------------------------------------
|
---|
688 | ; .ShowDriveSelectionDialogAndGetDriveNumberToDL
|
---|
689 | ; Parameters:
|
---|
690 | ; SS:BP: Ptr to DIALOG
|
---|
691 | ; Returns:
|
---|
692 | ; DL: Drive selected by user
|
---|
693 | ; CF: Set if new drive selected
|
---|
694 | ; Cleared if selection cancelled by user
|
---|
695 | ; Corrupts registers:
|
---|
696 | ; All, except BP
|
---|
697 | ;--------------------------------------------------------------------
|
---|
698 | ALIGN JUMP_ALIGN
|
---|
699 | .ShowDriveSelectionDialogAndGetDriveNumberToDL:
|
---|
700 | mov cx, DIALOG_INPUT_size
|
---|
701 | call Memory_ReserveCXbytesFromStackToDSSI
|
---|
702 | call .InitializeDialogInputInDSSIforDriveSelection
|
---|
703 | call DialogSelection_GetSelectionToAXwithInputInDSSI
|
---|
704 | add sp, BYTE DIALOG_INPUT_size
|
---|
705 | cmp ax, BYTE NO_ITEM_SELECTED ; Clear CF if equal
|
---|
706 | jne SHORT .ConvertDriveNumberToDLfromItemIndexInAX
|
---|
707 | ret
|
---|
708 |
|
---|
709 | ALIGN JUMP_ALIGN
|
---|
710 | .InitializeDialogInputInDSSIforDriveSelection:
|
---|
711 | call InitializeNullStringsToDialogInputInDSSI
|
---|
712 | call LoadItemStringBufferToESDI
|
---|
713 | mov WORD [si+DIALOG_INPUT.fszTitle], g_szSelectNewDrive
|
---|
714 | mov [si+DIALOG_INPUT.fszItems], di
|
---|
715 | mov [si+DIALOG_INPUT.fszItems+2], es
|
---|
716 | call Drive_GetFlagsForAvailableDrivesToDXAX
|
---|
717 | ; Fall to .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX
|
---|
718 |
|
---|
719 | ;--------------------------------------------------------------------
|
---|
720 | ; .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX
|
---|
721 | ; Parameters:
|
---|
722 | ; DX:AX: Drive letter flags
|
---|
723 | ; ES:DI: Ptr to item string buffer
|
---|
724 | ; SS:BP: Ptr to DIALOG
|
---|
725 | ; Returns:
|
---|
726 | ; Nothing
|
---|
727 | ; Corrupts registers:
|
---|
728 | ; AX, BX, CX, DX, DI, ES
|
---|
729 | ;--------------------------------------------------------------------
|
---|
730 | ;ALIGN JUMP_ALIGN
|
---|
731 | .GenerateDriveSelectionStringToESDIfromDriveFlagsInDXAX:
|
---|
732 | cld
|
---|
733 | xchg cx, ax
|
---|
734 | mov ax, 3A41h ; A:
|
---|
735 | ALIGN JUMP_ALIGN
|
---|
736 | .BitShiftLoop:
|
---|
737 | shr dx, 1
|
---|
738 | rcr cx, 1
|
---|
739 | jnc SHORT .CheckIfMoreDrivesLeft
|
---|
740 | stosw
|
---|
741 | mov BYTE [es:di], LF
|
---|
742 | inc di
|
---|
743 | ALIGN JUMP_ALIGN
|
---|
744 | .CheckIfMoreDrivesLeft:
|
---|
745 | inc ax ; Next drive letter
|
---|
746 | mov bx, dx
|
---|
747 | or bx, cx
|
---|
748 | jnz SHORT .BitShiftLoop
|
---|
749 | jmp TerminateESDIwithNull
|
---|
750 |
|
---|
751 | ;--------------------------------------------------------------------
|
---|
752 | ; .ConvertDriveNumberToDLfromItemIndexInAX
|
---|
753 | ; Parameters:
|
---|
754 | ; AX: Selected drive item
|
---|
755 | ; Returns:
|
---|
756 | ; DL: Drive number
|
---|
757 | ; CF: Set since drive selected
|
---|
758 | ; Corrupts registers:
|
---|
759 | ; AX, CX, DH
|
---|
760 | ;--------------------------------------------------------------------
|
---|
761 | ALIGN JUMP_ALIGN
|
---|
762 | .ConvertDriveNumberToDLfromItemIndexInAX:
|
---|
763 | mov ah, -1
|
---|
764 | xchg cx, ax
|
---|
765 | call Drive_GetFlagsForAvailableDrivesToDXAX
|
---|
766 | ALIGN JUMP_ALIGN
|
---|
767 | .BitScanLoop:
|
---|
768 | shr dx, 1
|
---|
769 | rcr ax, 1
|
---|
770 | inc ch ; Increment drive number
|
---|
771 | sbb cl, 0 ; Decrement selection index
|
---|
772 | jnc SHORT .BitScanLoop
|
---|
773 | mov dl, ch
|
---|
774 | stc ; Drive selected by user
|
---|
775 | ret
|
---|
776 |
|
---|
777 |
|
---|
778 | ;--------------------------------------------------------------------
|
---|
779 | ; InitializeNullStringsToDialogInputInDSSI
|
---|
780 | ; Parameters:
|
---|
781 | ; DS:SI: Ptr to DIALOG_INPUT
|
---|
782 | ; SS:BP: Ptr to DIALOG
|
---|
783 | ; Returns:
|
---|
784 | ; Nothing
|
---|
785 | ; Corrupts registers:
|
---|
786 | ; AX
|
---|
787 | ;--------------------------------------------------------------------
|
---|
788 | ALIGN JUMP_ALIGN
|
---|
789 | InitializeNullStringsToDialogInputInDSSI:
|
---|
790 | mov ax, g_szNull
|
---|
791 | mov [si+DIALOG_INPUT.fszTitle], ax
|
---|
792 | mov [si+DIALOG_INPUT.fszTitle+2], cs
|
---|
793 | mov [si+DIALOG_INPUT.fszItems], ax
|
---|
794 | mov [si+DIALOG_INPUT.fszItems+2], cs
|
---|
795 | mov [si+DIALOG_INPUT.fszInfo], ax
|
---|
796 | mov [si+DIALOG_INPUT.fszInfo+2], cs
|
---|
797 | ret
|
---|