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 |
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481 | GetDialogFlagsToAL: |
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482 | lds si, [bp+DIALOG.fpDialogIO] |
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483 | mov al, [si+FILE_DIALOG_IO.bDialogFlags] |
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484 | ret |
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485 | |
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486 | |
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487 | ;-------------------------------------------------------------------- |
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488 | ; ParseSelectionFromItemLineInDSSI |
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489 | ; Parameters: |
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490 | ; DS:SI: Ptr to char buffer containing file or directory to be selected |
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491 | ; SS:BP: Ptr to DIALOG |
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492 | ; Returns: |
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493 | ; Nothing |
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494 | ; Corrupts registers: |
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495 | ; All, except BP |
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496 | ;-------------------------------------------------------------------- |
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497 | ALIGN JUMP_ALIGN |
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498 | ParseSelectionFromItemLineInDSSI: |
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499 | mov ax, [si] |
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500 | cmp ax, UPDIR_CHARACTERS |
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501 | je SHORT .ChangeToUpdir |
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502 | call Char_IsUpperCaseLetterInAL |
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503 | jc SHORT .ParseAndChangeToSubdirInDSSI |
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504 | ; Fall to .ParseAndSelectFileFromDSSI |
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505 | |
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506 | ;-------------------------------------------------------------------- |
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507 | ; .ParseAndSelectFileFromDSSI |
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508 | ; Parameters: |
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509 | ; DS:SI: NULL terminated string selected from dialog |
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510 | ; SS:BP: Ptr to DIALOG |
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511 | ; Returns: |
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512 | ; Nothing (exits dialog) |
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513 | ; Corrupts registers: |
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514 | ; All, except BP |
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515 | ;-------------------------------------------------------------------- |
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516 | .ParseAndSelectFileFromDSSI: |
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517 | les di, [bp+DIALOG.fpDialogIO] |
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518 | add di, BYTE FILE_DIALOG_IO.szFile |
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519 | mov cx, FILENAME_BUFFER_SIZE-1 |
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520 | cld |
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521 | rep movsb |
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522 | xor ax, ax |
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523 | stosb ; Terminate with NULL |
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524 | jmp CloseFileDialogAfterSuccessfullSelection |
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525 | |
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526 | ;-------------------------------------------------------------------- |
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527 | ; .ChangeToUpdir |
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528 | ; Parameters: |
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529 | ; SS:BP: Ptr to DIALOG |
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530 | ; Returns: |
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531 | ; Nothing |
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532 | ; Corrupts registers: |
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533 | ; All, except BP |
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534 | ;-------------------------------------------------------------------- |
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535 | ALIGN JUMP_ALIGN |
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536 | .ChangeToUpdir: |
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537 | mov si, g_szUpdir |
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538 | jmp SHORT .ChangeDirectoryToDSSI |
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539 | |
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540 | ;-------------------------------------------------------------------- |
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541 | ; .ParseAndChangeToSubdirInDSSI |
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542 | ; Parameters: |
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543 | ; DS:SI: NULL terminated string selected from dialog |
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544 | ; SS:BP: Ptr to DIALOG |
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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 |
---|