1 | ; File name : MenuBorders.asm |
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2 | ; Project name : Assembly Library |
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3 | ; Created date : 14.7.2010 |
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4 | ; Last update : 11.10.2010 |
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5 | ; Author : Tomi Tilli |
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6 | ; Description : Functions for drawing menu borders. |
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7 | |
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8 | ; Struct containing border characters for different types of menu window lines |
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9 | struc BORDER_CHARS |
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10 | .cLeft resb 1 |
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11 | .cMiddle resb 1 |
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12 | .cRight resb 1 |
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13 | endstruc |
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14 | |
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15 | |
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16 | ; Section containing code |
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17 | SECTION .text |
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18 | |
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19 | ;-------------------------------------------------------------------- |
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20 | ; MenuBorders_RefreshAll |
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21 | ; Parameters |
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22 | ; SS:BP: Ptr to MENU |
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23 | ; Returns: |
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24 | ; Nothing |
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25 | ; Corrupts registers: |
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26 | ; AX, BX, CX, DX, SI, DI |
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27 | ;-------------------------------------------------------------------- |
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28 | ALIGN JUMP_ALIGN |
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29 | MenuBorders_RefreshAll: |
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30 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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31 | call GetNumberOfMiddleCharactersToDX |
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32 | call RefreshTitleBorders |
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33 | call RefreshItemBorders |
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34 | call RefreshInformationBorders |
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35 | call DrawBottomBorderLine |
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36 | call DrawBottomShadowLine |
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37 | jmp MenuTime_DrawWithoutUpdating |
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38 | |
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39 | |
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40 | ;-------------------------------------------------------------------- |
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41 | ; MenuBorders_AdjustDisplayContextForDrawingBorders |
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42 | ; Parameters |
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43 | ; SS:BP: Ptr to MENU |
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44 | ; Returns: |
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45 | ; Nothing |
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46 | ; Corrupts registers: |
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47 | ; AX, BX, SI, DI |
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48 | ;-------------------------------------------------------------------- |
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49 | ALIGN JUMP_ALIGN |
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50 | MenuBorders_AdjustDisplayContextForDrawingBorders: |
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51 | mov bl, ATTRIBUTES_ARE_USED |
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52 | mov ax, MenuCharOut_MenuTeletypeOutput |
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53 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL |
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54 | |
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55 | call CharOutLineSplitter_GetFirstBorderLineColumnOffsetToAX |
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56 | CALL_DISPLAY_LIBRARY SetCharacterOutputParameterFromAX |
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57 | |
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58 | call MenuLocation_GetTitleBordersTopLeftCoordinatesToAX |
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59 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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60 | |
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61 | mov si, ATTRIBUTE_CHARS.cBordersAndBackground |
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62 | jmp MenuAttribute_SetToDisplayContextFromTypeInSI |
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63 | |
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64 | |
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65 | ;-------------------------------------------------------------------- |
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66 | ; MenuBorders_RefreshItemBorders |
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67 | ; Parameters |
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68 | ; SS:BP: Ptr to MENU |
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69 | ; Returns: |
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70 | ; Nothing |
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71 | ; Corrupts registers: |
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72 | ; AX, BX, CX, DX, SI, DI |
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73 | ;-------------------------------------------------------------------- |
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74 | ALIGN JUMP_ALIGN |
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75 | MenuBorders_RefreshItemBorders: |
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76 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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77 | call MenuLocation_GetItemBordersTopLeftCoordinatesToAX |
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78 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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79 | |
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80 | call GetNumberOfMiddleCharactersToDX |
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81 | jmp SHORT RefreshItemBorders |
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82 | |
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83 | |
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84 | ;-------------------------------------------------------------------- |
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85 | ; GetNumberOfMiddleCharactersToDX |
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86 | ; Parameters |
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87 | ; SS:BP: Ptr to MENU |
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88 | ; Returns: |
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89 | ; DX: Number of middle border characters when drawing border lines |
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90 | ; Corrupts registers: |
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91 | ; Nothing |
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92 | ;-------------------------------------------------------------------- |
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93 | ALIGN JUMP_ALIGN |
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94 | GetNumberOfMiddleCharactersToDX: |
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95 | eMOVZX dx, BYTE [bp+MENUINIT.bWidth] |
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96 | sub dx, BYTE MENU_HORIZONTAL_BORDER_LINES |
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97 | ret |
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98 | |
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99 | |
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100 | ;-------------------------------------------------------------------- |
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101 | ; RefreshTitleBorders |
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102 | ; Parameters |
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103 | ; DX: Number of times to repeat middle character |
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104 | ; SS:BP: Ptr to MENU |
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105 | ; Returns: |
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106 | ; Nothing |
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107 | ; Corrupts registers: |
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108 | ; AX, BX, CX, SI, DI |
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109 | ;-------------------------------------------------------------------- |
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110 | ALIGN JUMP_ALIGN |
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111 | RefreshTitleBorders: |
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112 | call DrawTopBorderLine |
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113 | eMOVZX cx, BYTE [bp+MENUINIT.bTitleLines] |
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114 | jmp SHORT DrawTextBorderLinesByCXtimes |
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115 | |
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116 | ;-------------------------------------------------------------------- |
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117 | ; RefreshInformationBorders |
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118 | ; Parameters |
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119 | ; DX: Number of times to repeat middle character |
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120 | ; SS:BP: Ptr to MENU |
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121 | ; Returns: |
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122 | ; Nothing |
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123 | ; Corrupts registers: |
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124 | ; AX, BX, CX, SI, DI |
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125 | ;-------------------------------------------------------------------- |
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126 | ALIGN JUMP_ALIGN |
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127 | RefreshInformationBorders: |
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128 | call DrawSeparationBorderLine |
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129 | eMOVZX cx, BYTE [bp+MENUINIT.bInfoLines] |
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130 | jmp SHORT DrawTextBorderLinesByCXtimes |
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131 | |
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132 | ;-------------------------------------------------------------------- |
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133 | ; RefreshItemBorders |
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134 | ; Parameters |
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135 | ; DX: Number of times to repeat middle character |
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136 | ; SS:BP: Ptr to MENU |
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137 | ; Returns: |
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138 | ; Nothing |
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139 | ; Corrupts registers: |
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140 | ; AX, BX, CX, SI, DI |
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141 | ;-------------------------------------------------------------------- |
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142 | ALIGN JUMP_ALIGN |
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143 | RefreshItemBorders: |
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144 | call DrawSeparationBorderLine |
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145 | call MenuScrollbars_GetMaxVisibleItemsOnPageToCX |
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146 | DrawTextBorderLinesByCXtimes: |
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147 | mov bx, DrawTextBorderLine |
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148 | ; Fall to DrawBorderLinesByCXtimes |
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149 | |
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150 | ;-------------------------------------------------------------------- |
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151 | ; DrawBorderLinesByCXtimes |
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152 | ; Parameters |
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153 | ; BX: Offset to border drawing function |
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154 | ; CX: Number of border lines to draw |
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155 | ; DX: Number of times to repeat middle character |
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156 | ; SS:BP: Ptr to MENU |
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157 | ; Returns: |
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158 | ; Nothing |
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159 | ; Corrupts registers: |
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160 | ; AX, CX, SI, DI |
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161 | ;-------------------------------------------------------------------- |
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162 | DrawBorderLinesByCXtimes: |
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163 | jcxz .Return |
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164 | ALIGN JUMP_ALIGN |
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165 | .DrawBordersWithFunctionInBX: |
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166 | call bx |
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167 | loop .DrawBordersWithFunctionInBX |
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168 | .Return: |
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169 | ret |
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170 | |
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171 | |
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172 | ;-------------------------------------------------------------------- |
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173 | ; DrawTopBorderLine |
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174 | ; DrawSeparationBorderLine |
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175 | ; DrawBottomBorderLine |
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176 | ; DrawBottomShadowLine |
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177 | ; DrawTextBorderLine |
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178 | ; Parameters |
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179 | ; DX: Number of times to repeat middle character |
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180 | ; SS:BP: Ptr to MENU |
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181 | ; Returns: |
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182 | ; Nothing |
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183 | ; Corrupts registers: |
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184 | ; AX, SI, DI |
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185 | ;-------------------------------------------------------------------- |
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186 | ALIGN JUMP_ALIGN |
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187 | DrawTopBorderLine: |
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188 | mov si, g_rgbTopBorderCharacters |
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189 | call PrintBorderCharactersFromCSSI |
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190 | jmp SHORT PrintNewlineToEndBorderLine |
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191 | |
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192 | ALIGN JUMP_ALIGN |
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193 | DrawSeparationBorderLine: |
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194 | mov si, g_rgbSeparationBorderCharacters |
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195 | jmp SHORT PrintBorderCharactersFromCSSIandShadowCharacter |
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196 | |
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197 | ALIGN JUMP_ALIGN |
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198 | DrawBottomBorderLine: |
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199 | mov si, g_rgbBottomBorderCharacters |
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200 | jmp SHORT PrintBorderCharactersFromCSSIandShadowCharacter |
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201 | |
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202 | ALIGN JUMP_ALIGN |
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203 | DrawBottomShadowLine: |
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204 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
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205 | inc ax ; Increment column |
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206 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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207 | inc dx ; Increment repeat count... |
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208 | inc dx ; ...for both corner characters |
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209 | call PrintShadowCharactersByDXtimes |
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210 | dec dx ; Restore... |
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211 | dec dx ; ...DX |
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212 | ret |
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213 | |
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214 | ALIGN JUMP_ALIGN |
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215 | DrawTextBorderLine: |
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216 | mov si, g_rgbTextBorderCharacters |
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217 | ; Fall to PrintBorderCharactersFromCSSIandShadowCharacter |
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218 | |
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219 | ;-------------------------------------------------------------------- |
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220 | ; PrintBorderCharactersFromCSSIandShadowCharacter |
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221 | ; Parameters |
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222 | ; DX: Number of times to repeat middle character |
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223 | ; CS:SI: Ptr to BORDER_CHARS |
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224 | ; SS:BP: Ptr to MENU |
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225 | ; Returns: |
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226 | ; Nothing |
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227 | ; Corrupts registers: |
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228 | ; AX, SI, DI |
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229 | ;-------------------------------------------------------------------- |
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230 | ALIGN JUMP_ALIGN |
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231 | PrintBorderCharactersFromCSSIandShadowCharacter: |
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232 | call PrintBorderCharactersFromCSSI |
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233 | push dx |
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234 | mov dx, 1 |
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235 | call PrintShadowCharactersByDXtimes |
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236 | pop dx |
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237 | ; Fall to PrintNewlineToEndBorderLine |
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238 | |
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239 | ;-------------------------------------------------------------------- |
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240 | ; PrintNewlineToEndBorderLine |
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241 | ; Parameters |
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242 | ; SS:BP: Ptr to MENU |
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243 | ; Returns: |
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244 | ; Nothing |
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245 | ; Corrupts registers: |
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246 | ; AX, DI |
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247 | ;-------------------------------------------------------------------- |
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248 | ALIGN JUMP_ALIGN |
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249 | PrintNewlineToEndBorderLine: |
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250 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters |
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251 | ret |
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252 | |
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253 | |
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254 | ;-------------------------------------------------------------------- |
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255 | ; PrintShadowCharactersByDXtimes |
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256 | ; Parameters |
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257 | ; DX: Number of shadow characters to print |
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258 | ; SS:BP: Ptr to MENU |
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259 | ; Returns: |
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260 | ; Nothing |
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261 | ; Corrupts registers: |
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262 | ; AX, SI, DI |
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263 | ;-------------------------------------------------------------------- |
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264 | ALIGN JUMP_ALIGN |
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265 | PrintShadowCharactersByDXtimes: |
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266 | CALL_DISPLAY_LIBRARY PushDisplayContext |
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267 | |
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268 | mov si, ATTRIBUTE_CHARS.cShadow |
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269 | call MenuAttribute_SetToDisplayContextFromTypeInSI |
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270 | |
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271 | push bx |
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272 | mov bl, ATTRIBUTES_ARE_USED |
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273 | mov ax, FAST_OUTPUT_WITH_ATTRIBUTE_ONLY |
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274 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL |
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275 | pop bx |
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276 | |
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277 | call PrintMultipleBorderCharactersFromAL ; AL does not matter |
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278 | |
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279 | CALL_DISPLAY_LIBRARY PopDisplayContext |
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280 | ret |
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281 | |
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282 | |
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283 | ;-------------------------------------------------------------------- |
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284 | ; PrintBorderCharactersFromCSSI |
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285 | ; Parameters |
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286 | ; DX: Number of times to repeat middle character |
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287 | ; CS:SI: Ptr to BORDER_CHARS |
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288 | ; SS:BP: Ptr to MENU |
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289 | ; Returns: |
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290 | ; Nothing |
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291 | ; Corrupts registers: |
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292 | ; AX, SI, DI |
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293 | ;-------------------------------------------------------------------- |
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294 | ALIGN JUMP_ALIGN |
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295 | PrintBorderCharactersFromCSSI: |
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296 | cld |
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297 | eSEG cs |
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298 | lodsb ; Load from [si+BORDER_CHARS.cLeft] to AL |
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299 | call MenuBorders_PrintSingleBorderCharacterFromAL |
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300 | |
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301 | eSEG cs |
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302 | lodsb ; Load from [si+BORDER_CHARS.cMiddle] to AL |
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303 | call PrintMultipleBorderCharactersFromAL |
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304 | |
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305 | eSEG cs |
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306 | lodsb ; Load from [si+BORDER_CHARS.cRight] to AL |
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307 | ; Fall to MenuBorders_PrintSingleBorderCharacterFromAL |
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308 | |
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309 | ;-------------------------------------------------------------------- |
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310 | ; MenuBorders_PrintSingleBorderCharacterFromAL |
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311 | ; PrintMultipleBorderCharactersFromAL |
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312 | ; Parameters |
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313 | ; AL: Character to print |
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314 | ; DX: Repeat count (PrintMultipleBorderCharactersFromAL) |
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315 | ; SS:BP: Ptr to MENU |
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316 | ; Returns: |
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317 | ; Nothing |
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318 | ; Corrupts registers: |
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319 | ; AX, DI |
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320 | ;-------------------------------------------------------------------- |
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321 | ALIGN JUMP_ALIGN |
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322 | MenuBorders_PrintSingleBorderCharacterFromAL: |
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323 | CALL_DISPLAY_LIBRARY PrintCharacterFromAL |
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324 | ret |
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325 | |
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326 | ALIGN JUMP_ALIGN |
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327 | PrintMultipleBorderCharactersFromAL: |
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328 | push cx |
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329 | mov cx, dx |
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330 | CALL_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
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331 | pop cx |
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332 | ret |
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333 | |
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334 | |
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335 | |
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336 | ; Lookup tables for border characters |
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337 | g_rgbTopBorderCharacters: |
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338 | istruc BORDER_CHARS |
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339 | at BORDER_CHARS.cLeft, db DOUBLE_TOP_LEFT_CORNER |
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340 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL |
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341 | at BORDER_CHARS.cRight, db DOUBLE_TOP_RIGHT_CORNER |
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342 | iend |
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343 | |
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344 | g_rgbSeparationBorderCharacters: |
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345 | istruc BORDER_CHARS |
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346 | at BORDER_CHARS.cLeft, db DOUBLE_VERTICAL_TO_RIGHT_SINGLE |
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347 | at BORDER_CHARS.cMiddle, db SINGLE_HORIZONTAL |
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348 | at BORDER_CHARS.cRight, db DOUBLE_VERTICAL_TO_LEFT_SINGLE |
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349 | iend |
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350 | |
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351 | g_rgbBottomBorderCharacters: |
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352 | istruc BORDER_CHARS |
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353 | at BORDER_CHARS.cLeft, db DOUBLE_BOTTOM_LEFT_CORNER |
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354 | at BORDER_CHARS.cMiddle, db DOUBLE_HORIZONTAL |
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355 | at BORDER_CHARS.cRight, db DOUBLE_BOTTOM_RIGHT_CORNER |
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356 | iend |
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357 | |
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358 | g_rgbTextBorderCharacters: |
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359 | istruc BORDER_CHARS |
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360 | at BORDER_CHARS.cLeft, db DOUBLE_VERTICAL |
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361 | at BORDER_CHARS.cMiddle, db ' ' |
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362 | at BORDER_CHARS.cRight, db DOUBLE_VERTICAL |
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363 | iend |
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