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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2024 Olaf Wintermann. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #import "GridLayout.h" |
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30 |
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31 |
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32 |
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33 @implementation GridLayout |
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34 |
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35 @synthesize label=_label; |
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36 @synthesize uilayout=_uilayout; |
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37 @synthesize newline=_newline; |
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38 |
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39 - (GridLayout*)init { |
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40 self = [super init]; |
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41 _columnspacing = 0; |
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42 _rowspacing = 0; |
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43 _children = cxArrayListCreateSimple(sizeof(GridElm), 32); |
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44 |
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45 return self; |
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46 } |
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47 |
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48 /* |
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49 - (void) layout { |
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50 [super layout]; |
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51 |
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52 NSRect r1 = _test.frame; |
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53 NSSize s1 = _test.intrinsicContentSize; |
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54 NSEdgeInsets e1 = _test.alignmentRectInsets; |
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55 |
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56 printf("fuck\n"); |
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57 } |
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58 */ |
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59 |
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60 |
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61 - (void) layout { |
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62 int ncols = _cols+1; |
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63 int nrows = _rows+1; |
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64 |
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65 GridDef *coldef = calloc(ncols, sizeof(GridDef)); |
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66 GridDef *rowdef = calloc(nrows, sizeof(GridDef)); |
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67 |
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68 NSRect viewFrame = self.frame; |
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69 |
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70 int colspacing = _columnspacing; |
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71 int rowspacing = _rowspacing; |
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72 |
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73 CxIterator i = cxListIterator(_children); |
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74 cx_foreach(GridElm *, elm, i) { |
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75 NSSize size = elm->view.intrinsicContentSize; |
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76 NSEdgeInsets alignment = elm->view.alignmentRectInsets; |
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77 if(size.width != NSViewNoIntrinsicMetric) { |
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78 CGFloat width = size.width + alignment.left + alignment.right; |
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79 if(width > coldef[elm->x].preferred_size) { |
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80 coldef[elm->x].preferred_size = width; |
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81 } |
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82 } |
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83 if(size.height != NSViewNoIntrinsicMetric) { |
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84 CGFloat height = size.height + alignment.top + alignment.right; |
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85 //CGFloat height = size.height; |
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86 if(height > rowdef[elm->y].preferred_size) { |
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87 rowdef[elm->y].preferred_size = height; |
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88 } |
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89 } |
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90 |
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91 if(elm->hexpand) { |
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92 coldef[elm->x].extend = TRUE; |
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93 } |
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94 if(elm->vexpand) { |
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95 rowdef[elm->y].extend = TRUE; |
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96 } |
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97 } |
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98 |
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99 int col_ext = 0; |
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100 int row_ext = 0; |
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101 |
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102 int preferred_width = 0; |
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103 int preferred_height = 0; |
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104 for(int j=0;j<ncols;j++) { |
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105 preferred_width += coldef[j].preferred_size + colspacing; |
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106 if(coldef[j].extend) { |
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107 col_ext++; |
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108 } |
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109 } |
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110 for(int j=0;j<nrows;j++) { |
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111 preferred_height += rowdef[j].preferred_size + rowspacing; |
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112 if(rowdef[j].extend) { |
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113 row_ext++; |
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114 } |
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115 } |
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116 |
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117 _preferredSize.width = preferred_width; |
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118 _preferredSize.height = preferred_height; |
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119 |
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120 |
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121 int hremaining = viewFrame.size.width - preferred_width; |
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122 int vremaining = viewFrame.size.height - preferred_height; |
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123 int hext = hremaining/col_ext; |
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124 int vext = vremaining/row_ext; |
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125 |
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126 for(int j=0;j<ncols;j++) { |
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127 GridDef *col = &coldef[j]; |
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128 if(col->extend) { |
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129 col->size = col->preferred_size + hext; |
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130 } else { |
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131 col->size = col->preferred_size; |
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132 } |
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133 } |
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134 for(int j=0;j<nrows;j++) { |
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135 GridDef *row = &rowdef[j]; |
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136 if(row->extend) { |
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137 row->size = row->preferred_size + vext; |
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138 } else { |
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139 row->size = row->preferred_size; |
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140 } |
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141 } |
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142 |
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143 int pos = 0; |
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144 for(int j=0;j<ncols;j++) { |
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145 coldef[j].pos = pos; |
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146 pos += coldef[j].size + colspacing; |
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147 } |
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148 pos = 0; |
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149 for(int j=0;j<nrows;j++) { |
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150 rowdef[j].pos = pos; |
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151 pos += rowdef[j].size + rowspacing; |
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152 } |
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153 |
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154 i = cxListIterator(_children); |
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155 cx_foreach(GridElm *, elm, i) { |
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156 //NSSize size = elm->view.intrinsicContentSize; |
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157 GridDef *col = &coldef[elm->x]; |
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158 GridDef *row = &rowdef[elm->y]; |
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159 |
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160 NSEdgeInsets alignment = elm->view.alignmentRectInsets; |
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161 NSRect frame; |
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162 frame.size.width = col->size; |
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163 frame.size.height = row->size; |
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164 frame.origin.x = col->pos - (alignment.left+alignment.right)/2; |
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165 frame.origin.y = viewFrame.size.height - row->pos - frame.size.height + ((alignment.top+alignment.right)/2); |
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166 elm->view.frame = frame; |
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167 } |
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168 |
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169 free(coldef); |
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170 free(rowdef); |
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171 } |
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172 |
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173 |
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174 - (NSSize)intrinsicContentSize { |
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175 return self.preferredSize; |
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176 } |
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177 |
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178 - (void) addView:(NSView*)view fill:(BOOL)fill { |
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179 if(_newline) { |
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180 _y++; |
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181 _x = 0; |
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182 _newline = FALSE; |
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183 } |
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184 |
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185 GridElm elm; |
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186 elm.x = _x; |
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187 elm.y = _y; |
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188 elm.margin = 0; |
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189 elm.colspan = _uilayout.colspan; |
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190 elm.rowspan = _uilayout.rowspan; |
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191 elm.hfill = _uilayout.hfill; |
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192 elm.vfill = _uilayout.vfill; |
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193 elm.hexpand = _uilayout.hexpand; |
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194 elm.vexpand = _uilayout.vexpand; |
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195 elm.view = view; |
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196 cxListAdd(_children, &elm); |
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197 |
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198 [self addSubview:view]; |
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199 self.needsLayout = YES; |
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200 |
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201 if(_x > _cols) { |
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202 _cols = _x; |
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203 } |
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204 if(_y > _rows) { |
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205 _rows = _y; |
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206 } |
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207 _x++; |
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208 } |
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209 |
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210 - (void) dealloc { |
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211 cxListDestroy(_children); |
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212 } |
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213 |
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214 @end |