ui/cocoa/container.m

Wed, 04 Dec 2024 08:55:49 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 04 Dec 2024 08:55:49 +0100
branch
newapi
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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 "Container.h"
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30 #import "GridLayout.h"
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31
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32 /* ------------------------- container classes ------------------------- */
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33
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34 @implementation BoxContainer
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35
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36 @synthesize label=_label;
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37 @synthesize uilayout=_uilayout;
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38 @synthesize newline=_newline;
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39
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40 - (BoxContainer*)init:(NSUserInterfaceLayoutOrientation)orientation spacing:(int)spacing {
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41 self = [super init];
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42 _label = NULL;
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43 _uilayout = (UiLayout){ 0 };
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44 _newline = false;
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45
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46 self.distribution = NSStackViewDistributionFillProportionally;
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47 self.spacing = spacing;
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48
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49 self.orientation = orientation;
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50 if(orientation == NSUserInterfaceLayoutOrientationHorizontal) {
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51 self.alignment = NSLayoutAttributeHeight;
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52 } else {
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53 self.alignment = NSLayoutAttributeWidth;
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54 }
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56
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57 return self;
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58 }
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59
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60 - (void) addView:(NSView*)view fill:(BOOL)fill {
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61 if(_uilayout.fill != UI_LAYOUT_UNDEFINED) {
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62 fill = ui_lb2bool(_uilayout.fill);
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63 }
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64
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65 [self addArrangedSubview:view];
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66
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67 if(self.orientation == NSUserInterfaceLayoutOrientationHorizontal) {
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68 [view.heightAnchor constraintEqualToAnchor:self.heightAnchor].active = YES;
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69 if(!fill) {
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70 [view.widthAnchor constraintEqualToConstant:view.intrinsicContentSize.width].active = YES;
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71 }
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72 } else {
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73 [view.widthAnchor constraintEqualToAnchor:self.widthAnchor].active = YES;
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74 if(!fill) {
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75 [view.heightAnchor constraintEqualToConstant:view.intrinsicContentSize.height].active = YES;
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76 }
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77 }
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78
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79 // at the moment, only the fill layout option needs to be reset
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80 _uilayout.fill = UI_DEFAULT;
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81 }
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82
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83 @end
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84
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85
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86
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87 /* -------------------- public container functions --------------------- */
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88
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89 static UIWIDGET ui_box_create(UiObject *obj, UiContainerArgs args, NSUserInterfaceLayoutOrientation orientation) {
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90 BoxContainer *box = [[BoxContainer alloc] init:orientation spacing:args.spacing];
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91 box.translatesAutoresizingMaskIntoConstraints = false;
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92
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93 // add box to the parent
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94 UiLayout layout = UI_INIT_LAYOUT(args);
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95 ui_container_add(obj, box, &layout, TRUE);
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96
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97 // add new box to the obj container chain
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98 uic_object_push_container(obj, ui_create_container(obj, box));
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99
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100 return (__bridge void*)box;
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101 }
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102
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103 UIWIDGET ui_vbox_create(UiObject *obj, UiContainerArgs args) {
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104 return ui_box_create(obj, args, NSUserInterfaceLayoutOrientationVertical);
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105 }
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106
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107 UIWIDGET ui_hbox_create(UiObject *obj, UiContainerArgs args) {
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108 return ui_box_create(obj, args, NSUserInterfaceLayoutOrientationHorizontal);
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109 }
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110
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111 UIWIDGET ui_grid_create(UiObject *obj, UiContainerArgs args) {
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112 GridLayout *grid = [[GridLayout alloc] init];
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113 grid.translatesAutoresizingMaskIntoConstraints = false;
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114
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115 // add box to the parent
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116 UiLayout layout = UI_INIT_LAYOUT(args);
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117 ui_container_add(obj, grid, &layout, TRUE);
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118
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119 // add new box to the obj container chain
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120 uic_object_push_container(obj, ui_create_container(obj, grid));
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121
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122 return (__bridge void*)grid;
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123 }
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124
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125
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126 void ui_container_begin_close(UiObject *obj) {
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127 UiContainerX *ct = obj->container_end;
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128 ct->close = 1;
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129 }
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130
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131 int ui_container_finish(UiObject *obj) {
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132 UiContainerX *ct = obj->container_end;
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133 if(ct->close) {
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134 ui_end_new(obj);
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135 return 0;
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136 }
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137 return 1;
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138 }
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139
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140 /* ------------------------- private functions ------------------------- */
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141
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142 UiContainerX* ui_create_container(UiObject *obj, id<Container> container) {
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143 UiContainerX *ctn = ui_malloc(obj->ctx, sizeof(UiContainerX));
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144 ctn->container = (__bridge void*)container;
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145 ctn->close = 0;
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146 ctn->prev = NULL;
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147 ctn->next = NULL;
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148 return ctn;
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149 }
404
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150
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151 void ui_container_add(UiObject *obj, NSView *view, UiLayout *layout, UiBool fill) {
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152 UiContainerX *ctn = obj->container_end;
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153 id<Container> container = (__bridge id<Container>)ctn->container;
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154 container.uilayout = *layout;
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155 [container addView:view fill:fill];
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156 }
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157
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158 /* ---------------------- public layout functions ----------------------- */
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159
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160 void ui_newline(UiObject *obj) {
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161 UiContainerX *ctn = obj->container_end;
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162 if(ctn) {
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163 id<Container> container = (__bridge id<Container>)ctn->container;
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164 container.newline = TRUE;
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165 } else {
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166 fprintf(stderr, "Error: obj has no container\n");
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167 }
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168 }

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