1 | ; Project name : Assembly Library |
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2 | ; Description : Functions for initializing menu system. |
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3 | |
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4 | ; |
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5 | ; XTIDE Universal BIOS and Associated Tools |
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6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
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7 | ; |
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8 | ; This program is free software; you can redistribute it and/or modify |
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9 | ; it under the terms of the GNU General Public License as published by |
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10 | ; the Free Software Foundation; either version 2 of the License, or |
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11 | ; (at your option) any later version. |
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12 | ; |
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13 | ; This program is distributed in the hope that it will be useful, |
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14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | ; GNU General Public License for more details. |
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17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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18 | ; |
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19 | |
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20 | |
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21 | ; Section containing code |
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22 | SECTION .text |
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23 | |
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24 | ;-------------------------------------------------------------------- |
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25 | ; MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX |
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26 | ; Parameters |
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27 | ; DX:AX: User specified data |
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28 | ; BX: Menu event handler |
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29 | ; Returns: |
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30 | ; AX: Index of selected item or NO_ITEM_SELECTED |
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31 | ; Corrupts registers: |
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32 | ; All except segments |
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33 | ;-------------------------------------------------------------------- |
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34 | ALIGN MENU_JUMP_ALIGN |
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35 | MenuInit_DisplayMenuWithHandlerInBXandUserDataInDXAX: |
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36 | push es |
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37 | push ds |
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38 | xchg cx, ax ; Backup user data |
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39 | CALL_DISPLAY_LIBRARY PushDisplayContext |
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40 | |
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41 | ; Create MENU struct to stack |
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42 | mov ax, MENU_size |
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43 | eENTER_STRUCT ax |
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44 | xchg ax, cx ; Restore user data to AX |
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45 | call Memory_ZeroSSBPwithSizeInCX |
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46 | |
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47 | ; Display menu |
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48 | call MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX |
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49 | |
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50 | ; Get menu selection and destroy menu variables from stack |
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51 | mov dx, [bp+MENUINIT.wHighlightedItem] |
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52 | eLEAVE_STRUCT MENU_size |
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53 | |
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54 | CALL_DISPLAY_LIBRARY PopDisplayContext |
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55 | xchg ax, dx ; Return highlighted item in AX |
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56 | pop ds |
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57 | pop es |
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58 | ret |
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59 | |
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60 | |
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61 | ;-------------------------------------------------------------------- |
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62 | ; EnterMenuWithHandlerInBXandUserDataInDXAX |
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63 | ; Parameters |
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64 | ; DX:AX: User specified data |
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65 | ; BX: Menu event handler |
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66 | ; SS:BP: Ptr to MENU |
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67 | ; Returns: |
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68 | ; Nothing |
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69 | ; Corrupts registers: |
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70 | ; All, except SS:BP |
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71 | ;-------------------------------------------------------------------- |
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72 | ALIGN MENU_JUMP_ALIGN |
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73 | MenuInit_EnterMenuWithHandlerInBXandUserDataInDXAX: |
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74 | mov [bp+MENU.fnEventHandler], bx |
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75 | mov [bp+MENU.dwUserData], ax |
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76 | mov [bp+MENU.dwUserData+2], dx |
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77 | |
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78 | mov ax, CURSOR_HIDDEN |
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79 | CALL_DISPLAY_LIBRARY SetCursorShapeFromAX |
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80 | call MenuEvent_InitializeMenuinit ; User initialization |
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81 | %ifndef USE_186 |
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82 | call MenuInit_RefreshMenuWindow |
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83 | jmp MenuLoop_Enter |
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84 | %else |
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85 | push MenuLoop_Enter |
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86 | ; Fall to MenuInit_RefreshMenuWindow |
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87 | %endif |
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88 | |
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89 | |
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90 | ;-------------------------------------------------------------------- |
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91 | ; MenuInit_RefreshMenuWindow |
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92 | ; Parameters |
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93 | ; SS:BP: Ptr to MENU |
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94 | ; Returns: |
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95 | ; Nothing |
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96 | ; Corrupts registers: |
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97 | ; AX, BX, CX, DX, SI, DI |
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98 | ;-------------------------------------------------------------------- |
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99 | ALIGN MENU_JUMP_ALIGN |
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100 | MenuInit_RefreshMenuWindow: |
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101 | call MenuBorders_RefreshAll ; Draw borders |
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102 | call MenuText_RefreshTitle ; Draw title strings |
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103 | call MenuText_RefreshAllItems ; Draw item strings |
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104 | jmp MenuText_RefreshInformation ; Draw information strings |
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105 | |
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106 | |
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107 | ;-------------------------------------------------------------------- |
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108 | ; MenuInit_CloseMenuIfExitEventAllows |
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109 | ; Parameters |
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110 | ; SS:BP: Ptr to MENU |
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111 | ; Returns: |
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112 | ; Nothing |
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113 | ; Corrupts registers: |
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114 | ; AX, BX, DX |
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115 | ;-------------------------------------------------------------------- |
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116 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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117 | ALIGN MENU_JUMP_ALIGN |
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118 | MenuInit_CloseMenuIfExitEventAllows: |
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119 | call MenuEvent_ExitMenu |
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120 | jc SHORT MenuInit_CloseMenuWindow |
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121 | ret |
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122 | %endif |
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123 | |
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124 | |
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125 | ;-------------------------------------------------------------------- |
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126 | ; MenuInit_CloseMenuWindow |
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127 | ; Parameters |
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128 | ; SS:BP: Ptr to MENU |
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129 | ; Returns: |
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130 | ; Nothing |
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131 | ; Corrupts registers: |
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132 | ; Nothing |
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133 | ;-------------------------------------------------------------------- |
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134 | ALIGN MENU_JUMP_ALIGN |
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135 | MenuInit_CloseMenuWindow: |
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136 | or BYTE [bp+MENU.bFlags], FLG_MENU_EXIT |
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137 | ret |
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138 | |
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139 | |
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140 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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141 | ;-------------------------------------------------------------------- |
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142 | ; MenuInit_HighlightItemFromAX |
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143 | ; Parameters |
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144 | ; AX: Item to highlight |
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145 | ; SS:BP: Ptr to MENU |
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146 | ; Returns: |
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147 | ; Nothing |
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148 | ; Corrupts registers: |
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149 | ; AX, BX, CX, DX, SI, DI |
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150 | ;-------------------------------------------------------------------- |
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151 | ALIGN MENU_JUMP_ALIGN |
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152 | MenuInit_HighlightItemFromAX: |
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153 | sub ax, [bp+MENUINIT.wHighlightedItem] |
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154 | jmp MenuScrollbars_MoveHighlightedItemByAX |
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155 | |
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156 | |
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157 | ;-------------------------------------------------------------------- |
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158 | ; MenuInit_GetHighlightedItemToAX |
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159 | ; Parameters |
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160 | ; SS:BP: Ptr to MENU |
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161 | ; Returns: |
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162 | ; AX: Index of highlighted item or NO_ITEM_HIGHLIGHTED |
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163 | ; Corrupts registers: |
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164 | ; Nothing |
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165 | ;-------------------------------------------------------------------- |
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166 | ALIGN MENU_JUMP_ALIGN |
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167 | MenuInit_GetHighlightedItemToAX: |
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168 | mov ax, [bp+MENUINIT.wHighlightedItem] |
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169 | ret |
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170 | %endif ; EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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171 | |
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172 | |
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173 | ;-------------------------------------------------------------------- |
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174 | ; MenuInit_SetTitleHeightFromAL |
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175 | ; MenuInit_SetInformationHeightFromAL |
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176 | ; MenuInit_SetTotalItemsFromAX |
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177 | ; Parameters |
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178 | ; AX/AL: Parameter |
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179 | ; SS:BP: Ptr to MENU |
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180 | ; Returns: |
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181 | ; Nothing |
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182 | ; Corrupts registers: |
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183 | ; Nothing |
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184 | ;-------------------------------------------------------------------- |
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185 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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186 | ALIGN MENU_JUMP_ALIGN |
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187 | MenuInit_SetTitleHeightFromAL: |
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188 | mov [bp+MENUINIT.bTitleLines], al |
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189 | ret |
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190 | |
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191 | ALIGN MENU_JUMP_ALIGN |
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192 | MenuInit_SetInformationHeightFromAL: |
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193 | mov [bp+MENUINIT.bInfoLines], al |
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194 | ret |
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195 | |
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196 | ALIGN MENU_JUMP_ALIGN |
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197 | MenuInit_SetTotalItemsFromAX: |
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198 | mov [bp+MENUINIT.wItems], ax |
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199 | ret |
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200 | %endif |
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201 | |
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202 | |
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203 | ;-------------------------------------------------------------------- |
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204 | ; MenuInit_SetUserDataFromDSSI |
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205 | ; MenuInit_GetUserDataToDSSI |
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206 | ; Parameters |
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207 | ; DS:SI: User data (MenuInit_SetUserDataFromDSSI) |
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208 | ; SS:BP: Ptr to MENU |
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209 | ; Returns: |
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210 | ; DS:SI: User data (MenuInit_GetUserDataToDSSI) |
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211 | ; Corrupts registers: |
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212 | ; Nothing |
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213 | ;-------------------------------------------------------------------- |
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214 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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215 | ALIGN MENU_JUMP_ALIGN |
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216 | MenuInit_SetUserDataFromDSSI: |
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217 | mov [bp+MENU.dwUserData], si |
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218 | mov [bp+MENU.dwUserData+2], ds |
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219 | ret |
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220 | |
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221 | ALIGN MENU_JUMP_ALIGN |
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222 | MenuInit_GetUserDataToDSSI: |
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223 | lds si, [bp+MENU.dwUserData] |
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224 | ret |
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225 | %endif |
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