annotate nodejs/coord.cc @ 1532:4a92b639a1cd

Clear selection set when switching current scene. To clear selection set after switching away from current to another scene. It avoids Inkscape select on nodes they are not saw after switching.
author Thinker K.F. Li <thinker@codemud.net>
date Fri, 30 Sep 2011 12:31:33 +0800
parents e22df2f3bffe
children
rev   line source
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586e50f82c1f Unify coding style tag for emacs and vim.
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
586e50f82c1f Unify coding style tag for emacs and vim.
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2 // vim: sw=4:ts=8:sts=4
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3 #include <stdio.h>
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4 #include <v8.h>
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5
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6 extern "C" {
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7 #include "mb.h"
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8 #include "mb_X_supp.h"
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9 #include "mb_tools.h"
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88bd0eee2b00 Rename X_supp_njs.[ch] to njs_mb_supp.[ch].
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10 #include "njs_mb_supp.h"
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11 }
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12
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ce7a35abcb0d Function to instantiate coord for Javascript
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13 #include "mbfly_njs.h"
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14
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15 #ifndef ASSERT
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16 #define ASSERT(x)
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17 #endif
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ef3908d9a3d2 Revert 4be04f29fa70
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18
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19 #define OK 0
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20
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21 #define xnjsmb_auto_path_new export_xnjsmb_auto_path_new
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22 #define xnjsmb_auto_stext_new export_xnjsmb_auto_stext_new
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23 #define xnjsmb_auto_image_new export_xnjsmb_auto_image_new
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24 #define xnjsmb_auto_rect_new export_xnjsmb_auto_rect_new
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25 #define xnjsmb_auto_paint_color_new export_xnjsmb_auto_paint_color_new
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26 #define xnjsmb_auto_paint_image_new export_xnjsmb_auto_paint_image_new
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27 #define xnjsmb_auto_paint_linear_new export_xnjsmb_auto_paint_linear_new
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28 #define xnjsmb_auto_paint_radial_new export_xnjsmb_auto_paint_radial_new
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29
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30
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31 /*! \page jsgc How to Manage Life-cycle of Objects for Javascript.
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32 *
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33 * The life-cycle of MadButterfly ojects are simple. A object is live
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34 * when it is created and dead when it is free. When a coord or shape
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35 * is free, it is also removed from the tree. There is not way to
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36 * remove a coord or a shape without freeing it. So, if you want to
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37 * remove a coord or a shape object from the tree, you can only free
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38 * it.
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39 *
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40 * Javascript, in conventional, does not free an object. It has GC,
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41 * the engine, being used, will free an object if it is no more
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42 * referenced. So, we had better provide a removing function, but
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43 * actually free an object. In idea situation, a new MB object would
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44 * be created for and attached on the JS object, when an object added
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45 * back to the tree. But, it means we need to keep states of an
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46 * object and create a new one with the same states later. It is
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47 * complicated. So, once an object is removed, it is invalidated.
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48 *
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49 * I hope someone would implement a higher abstract layer, in JS, to
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50 * implement the idea model that recreate a new object when an
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51 * invalidated JS object being added back.
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52 *
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53 * An invalid object is the one with NULL internal field and obj.valid
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54 * == false. The binding of MadButterfly hold a reference to every
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55 * object added to the tree of a mbrt (runtime object), and remove the
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56 * reference and invalidate it when it being removed.
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57 *
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58 * For coords, they are always attached to the tree when it is valid.
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59 * So, binding hold a persistent reference to it. The reference is
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60 * purged when a coord being removed from the tree and being
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61 * invalidated.
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62 *
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63 * For any shape, it is not attached to the tree at begining, but is
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64 * attached to a tree laterly, or is collected by GC. The binding
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65 * hold a weak reference for a new shape, and upgrade to a strong
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66 * reference when the shape being added to the tree.
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67 */
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68
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69 using namespace v8;
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70
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71 /*! \defgroup xnjsmb_coord JS binding for coord objects.
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72 * \ingroup xnjsmb
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73 *
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74 * @{
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75 */
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76 /*! \brief Invalidate JS objects for coords and shapes in a subtree.
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77 *
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78 * \param self is the object of the root of subtree.
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79 *
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80 * \sa \ref jsgc
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81 */
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82 static void
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83 xnjsmb_coord_invalidate_subtree(coord_t *coord) {
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84 Persistent<Object> *child_hdl;
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85 Persistent<Object> *mem_hdl;
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86 coord_t *child;
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87 shape_t *mem;
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88 Handle<Value> _false = Boolean::New(0);
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89
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90 /* Invalidate all coords in the subtree */
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91 FOR_COORDS_PREORDER(coord, child) {
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92 child_hdl = (Persistent<Object> *)mb_prop_get(&child->obj.props,
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93 PROP_JSOBJ);
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94 /* There is no associated JS object. Perhaps, it is created
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95 * by xnjsmb_coord_clone_from_subtree().
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96 */
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97 if(child_hdl == NULL) {
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98 preorder_coord_skip_subtree(child);
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99 continue;
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100 }
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101
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102 SET(*child_hdl, "valid", _false);
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103 WRAP(*child_hdl, NULL);
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104 child_hdl->Dispose();
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105 delete child_hdl;
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106
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107 /* Invalidate members of a coord */
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108 FOR_COORD_SHAPES(child, mem) {
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109 mem_hdl = (Persistent<Object> *)mb_prop_get(&mem->obj.props,
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110 PROP_JSOBJ);
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111 /* There is no associated JS object. Perhaps, it is
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112 * created by xnjsmb_coord_clone_from_subtree().
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113 */
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114 if(mem_hdl == NULL)
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115 continue;
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116
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117 SET(*mem_hdl, "valid", _false);
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118 WRAP(*mem_hdl, NULL);
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119 mem_hdl->Dispose();
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120 delete mem_hdl;
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121 }
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122 }
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123 }
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124
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125 /*! \brief Free C objects for coords and shapes in a subtree.
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126 *
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127 * \param self is the object of the root of subtree.
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128 *
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129 * \sa \ref jsgc
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130 */
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131 static void
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132 xnjsmb_coord_free_subtree(redraw_man_t *rdman, coord_t *coord) {
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133 coord_t *child, *last_child;
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134 shape_t *mem, *last_mem;
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135 int r;
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136
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137 rdman_coord_changed(rdman, coord);
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138
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139 last_child = NULL;
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140 FOR_COORDS_POSTORDER(coord, child) {
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141 if(last_child != NULL) {
768
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142 r = rdman_coord_free(rdman, last_child);
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143 if(r != OK)
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144 THROW_noret("Unknown error");
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145 }
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146
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147 /* Free members of a coord */
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148 last_mem = NULL;
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149 FOR_COORD_SHAPES(child, mem) {
744
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150 if(last_mem != NULL) {
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151 r = rdman_shape_free(rdman, last_mem);
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152 if(r != OK)
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153 THROW_noret("Unknown error");
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154 }
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155
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156 last_mem = mem;
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157 }
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158 if(last_mem != NULL) {
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159 r = rdman_shape_free(rdman, last_mem);
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160 if(r != OK)
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161 THROW_noret("Unknown error");
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162 }
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163
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164 last_child = child;
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165 }
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166 if(last_child != NULL) {
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167 r = rdman_coord_free(rdman, last_child);
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168 if(r != OK)
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169 THROW_noret("Unknown error");
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170 }
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171 }
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172
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173 static void
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174 xnjsmb_coord_mod(Handle<Object> self, coord_t *coord) {
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175 Persistent<Object> *self_hdl;
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176 subject_t *subject;
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177 Handle<Value> subject_o;
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178
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179 /* Keep associated js object in property store for retrieving,
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180 * later, without create new js object.
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181 */
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182 self_hdl = new Persistent<Object>();
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183 *self_hdl = Persistent<Object>::New(self);
680
a588eefd3f04 Refactor to xnjsmb_coord_mod().
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184 mb_prop_set(&coord->obj.props, PROP_JSOBJ, self_hdl);
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185
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186 subject = coord->mouse_event;
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187 subject_o = export_xnjsmb_auto_subject_new(subject);
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188 SET(self, "mouse_event", subject_o);
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189 SET(self, "valid", Boolean::New(1));
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190 }
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191
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192 static float
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193 coord_get_index(coord_t *coord, Handle<Object> self, int idx,
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194 const char **err) {
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195 if(idx < 0 || idx >= 6) {
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196 *err = "Invalid index: out of range";
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197 return 0;
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198 }
557
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199
661
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200 return coord_get_matrix(coord)[idx];
557
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201 }
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202
661
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203 static float
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204 coord_set_index(coord_t *coord, Handle<Object> self,
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
205 int idx, float v, const char **err) {
560
ce7a35abcb0d Function to instantiate coord for Javascript
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206 Handle<Object> js_rt;
557
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207 redraw_man_t *rdman;
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208
661
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diff changeset
209 if(idx < 0 || idx >= 6) {
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diff changeset
210 *err = "Invalid index: out of range";
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diff changeset
211 return 0;
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diff changeset
212 }
557
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parents:
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213
1423
d82a828e8e26 Optimize the performance. If properties is not changed, we don't call rdman_coord_changed.
wycc
parents: 1416
diff changeset
214 if (coord_get_matrix(coord)[idx] == v) return v;
d82a828e8e26 Optimize the performance. If properties is not changed, we don't call rdman_coord_changed.
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215
661
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diff changeset
216 coord_get_matrix(coord)[idx] = v;
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217
560
ce7a35abcb0d Function to instantiate coord for Javascript
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diff changeset
218 js_rt = GET(self, "mbrt")->ToObject();
ce7a35abcb0d Function to instantiate coord for Javascript
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parents: 557
diff changeset
219 rdman = xnjsmb_rt_rdman(js_rt);
557
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220 rdman_coord_changed(rdman, coord);
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parents:
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221
661
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diff changeset
222 return v;
557
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parents:
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223 }
560
ce7a35abcb0d Function to instantiate coord for Javascript
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parents: 557
diff changeset
224
661
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diff changeset
225 static void
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diff changeset
226 xnjsmb_coord_add_shape(coord_t *coord, Handle<Object> self,
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
227 shape_t *shape, const char **err) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
228 Handle<Object> js_rt;
748
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diff changeset
229 Persistent<Object> *shape_hdl;
566
6639d386db78 Function of add a shape to a coord in Javascript.
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diff changeset
230 redraw_man_t *rdman;
6639d386db78 Function of add a shape to a coord in Javascript.
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parents: 563
diff changeset
231 int r;
822
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diff changeset
232
661
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diff changeset
233 js_rt = GET(self, "mbrt")->ToObject();
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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parents: 566
diff changeset
234 rdman = xnjsmb_rt_rdman(js_rt);
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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parents: 566
diff changeset
235 r = rdman_add_shape(rdman, shape, coord);
566
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
236 if(r != 0)
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
237 *err = "Unknown error";
748
56a5e08cd8af Make shapes can be removed from the tree
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diff changeset
238
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
239 /* see \ref jsgc */
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
240 shape_hdl = (Persistent<Object> *)mb_prop_get(&shape->obj.props,
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
241 PROP_JSOBJ);
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
242 shape_hdl->ClearWeak();
778
61c217f8cec8 Fix bug of transformation from user space to image space.
Thinker K.F. Li <thinker@codemud.net>
parents: 768
diff changeset
243 rdman_shape_changed(rdman, shape);
566
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
244 }
6639d386db78 Function of add a shape to a coord in Javascript.
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parents: 563
diff changeset
245
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diff changeset
246 static void
745
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
247 xnjsmb_coord_remove(coord_t *coord, Handle<Object> self) {
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
248 Handle<Object> js_rt;
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
249 redraw_man_t *rdman;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
250
745
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
251 if(!GET(self, "valid")->ToBoolean()->Value()) /* Invalidated object */
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
252 THROW_noret("Invalid object");
822
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parents: 810
diff changeset
253
745
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
254 js_rt = GET(self, "mbrt")->ToObject();
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
255 rdman = xnjsmb_rt_rdman(js_rt);
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256
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
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diff changeset
257 xnjsmb_coord_invalidate_subtree(coord);
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diff changeset
258 xnjsmb_coord_free_subtree(rdman, coord);
741
d8764f10e141 Remove a coord from the tree in JS
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diff changeset
259 }
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260
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diff changeset
261 static void
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diff changeset
262 _xnjsmb_coord_clone_from_subtree_mod(Handle<Object> src, Handle<Value> ret) {
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263 Handle<Object> js_rt;
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
264 Handle<Object> ret_obj = ret->ToObject();
1416
c60a978f98b1 Fix issue of seg. fault at xnjsmb_coord_invalidate_subtree().
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parents: 1415
diff changeset
265 coord_t *ret_coord, *child;
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parents: 1415
diff changeset
266 Handle<Object> child_obj;
1377
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diff changeset
267
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diff changeset
268 js_rt = GET(src, "mbrt")->ToObject();
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diff changeset
269 SET(ret_obj, "mbrt", js_rt);
1416
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270
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diff changeset
271 /* Only root of the subtree is warpped. Descendants of subtree
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272 * are not wrapped by JS object. We have no any method to access
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diff changeset
273 * children and members of a coord, now. So, it is fine. But,
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274 * sometime later, we will provide APIs for traveling a tree. At
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275 * that time, we need to create wrappers for all descendants.
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diff changeset
276 */
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diff changeset
277 ret_coord = (coord_t *)UNWRAP(ret_obj);
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278 xnjsmb_coord_mod(ret_obj, ret_coord);
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279 }
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280
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diff changeset
281 static coord_t *
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diff changeset
282 xnjsmb_coord_clone_from_subtree(coord_t *coord, Handle<Object> self,
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parents: 1056
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283 coord_t *src, const char **err) {
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284 Handle<Object> js_rt;
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285 redraw_man_t *rdman;
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286 coord_t *cloning;
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287
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288 js_rt = GET(self, "mbrt")->ToObject();
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289 ASSERT(js_rt != NULL);
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diff changeset
290 rdman = xnjsmb_rt_rdman(js_rt);
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291
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diff changeset
292 cloning = rdman_coord_clone_from_subtree(rdman, coord, src);
0afd598a0b30 Add clone_from_subtree() for coord object of nodejs
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diff changeset
293 if(cloning == NULL) {
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diff changeset
294 *err = "can not clone a subtree (allocate memory)";
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295 return NULL;
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parents: 1056
diff changeset
296 }
1416
c60a978f98b1 Fix issue of seg. fault at xnjsmb_coord_invalidate_subtree().
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diff changeset
297 rdman_coord_changed(rdman, cloning);
1372
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298
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299 return cloning;
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diff changeset
300 }
0afd598a0b30 Add clone_from_subtree() for coord object of nodejs
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diff changeset
301
749
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
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diff changeset
302 static void
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parents: 748
diff changeset
303 xnjsmb_coord_show(coord_t *coord, Handle<Object> self) {
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
304 Handle<Object> js_rt;
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
305 redraw_man_t *rdman;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
306
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diff changeset
307 js_rt = GET(self, "mbrt")->ToObject();
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
308 ASSERT(js_rt != NULL);
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
309 rdman = xnjsmb_rt_rdman(js_rt);
1423
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wycc
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310 if ((coord->flags & COF_HIDDEN) == 0) return;
749
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diff changeset
311 coord_show(coord);
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
312 rdman_coord_changed(rdman, coord);
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313 }
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diff changeset
314
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
315 static void
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diff changeset
316 xnjsmb_coord_hide(coord_t *coord, Handle<Object> self) {
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
317 Handle<Object> js_rt;
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
318 redraw_man_t *rdman;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
319
749
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diff changeset
320 js_rt = GET(self, "mbrt")->ToObject();
ed59e659a202 Implement binding for hide/show for shapes and coords
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diff changeset
321 ASSERT(js_rt != NULL);
ed59e659a202 Implement binding for hide/show for shapes and coords
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parents: 748
diff changeset
322 rdman = xnjsmb_rt_rdman(js_rt);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
323
1423
d82a828e8e26 Optimize the performance. If properties is not changed, we don't call rdman_coord_changed.
wycc
parents: 1416
diff changeset
324 if ((coord->flags & COF_HIDDEN) != 0) return;
749
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
325 coord_hide(coord);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
326 rdman_coord_changed(rdman, coord);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
327 }
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
328
810
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
329 static void
829
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
330 xnjsmb_coord_set_opacity(Handle<Object> self, coord_t *coord, Handle<Value> value, const char **str)
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
331 {
810
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
332 Handle<Object> js_rt;
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
333 redraw_man_t *rdman;
829
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
334
810
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
335 js_rt = GET(self, "mbrt")->ToObject();
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
336 ASSERT(js_rt != NULL);
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
337 rdman = xnjsmb_rt_rdman(js_rt);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
338
1423
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wycc
parents: 1416
diff changeset
339 if (coord_get_opacity(coord) == value->NumberValue()) return;
829
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
340
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
341 coord_set_opacity(coord, value->NumberValue());
810
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
342 rdman_coord_changed(rdman, coord);
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
343 }
84853c8559cf Support opacity on coords
Thinker K.F. Li <thinker@codemud.net>
parents: 778
diff changeset
344
829
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
345 static Handle<Value>
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
346 xnjsmb_coord_get_opacity(Handle<Object> self, coord_t *coord,
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
347 const char **err) {
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
348 float opacity;
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
349
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
350 opacity = coord_get_opacity(coord);
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
351 return Number::New(opacity);
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
352 }
379fd510ba38 Define accessor for the opacity attribute of the coord
wycc
parents: 822
diff changeset
353
1453
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
354 #define COORD_NEXT_SIBLING(child) STAILQ_NEXT(coord_t, sibling, (child))
0cb89e204824 Implement tree-traveling for JS
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parents: 1451
diff changeset
355
0cb89e204824 Implement tree-traveling for JS
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parents: 1451
diff changeset
356 static mb_obj_t *
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Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
357 _coord_get_nth_child_member(coord_t *coord, int idx) {
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
358 geo_t *geo;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
359 coord_t *child;
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Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
360 int member_idx = 0;
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Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
361 int cnt = 0;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
362
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
363 child = STAILQ_HEAD(coord->children);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
364 FOR_COORD_MEMBERS(coord, geo) {
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Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
365 while(child != NULL && child->before_pmem == member_idx) {
1454
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
366 if(cnt == idx)
1453
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diff changeset
367 return (mb_obj_t *)child;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
368 cnt++;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
369 child = COORD_NEXT_SIBLING(child);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
370 }
0cb89e204824 Implement tree-traveling for JS
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parents: 1451
diff changeset
371
1454
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Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
372 if(cnt == idx)
1453
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diff changeset
373 return (mb_obj_t *)geo->shape;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
374 cnt++;
1454
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
375 member_idx++;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
376 }
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
377
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
378 while(child != NULL) {
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
379 if(cnt == idx)
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
380 return (mb_obj_t *)child;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
381 cnt++;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
382 child = COORD_NEXT_SIBLING(child);
1453
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
383 }
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
384
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
385 return NULL;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
386 }
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
387
1454
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Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
388 static int
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
389 xnjsmb_coord_num_children(coord_t *coord, Handle<Object> self) {
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
390 int children_n_member_total;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
391 int children_cnt;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
392 coord_t *child;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
393
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
394 children_cnt = 0;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
395 FOR_COORD_CHILDREN(coord, child) {
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
396 children_cnt++;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
397 }
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
398 children_n_member_total = coord->num_members + children_cnt;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
399
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
400 return children_n_member_total;
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
401 }
e22df2f3bffe Provide number of children for coords
Thinker K.F. Li <thinker@codemud.net>
parents: 1453
diff changeset
402
1453
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
403 static Handle<Value> xnjsmb_auto_coord_new(coord_t *data);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
404
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
405 static Handle<Value>
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
406 _mb_obj_to_value(Handle<Object> parent, mb_obj_t *mbobj) {
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
407 Handle<Value> val;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
408 Handle<Object> obj;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
409 Handle<Value> mbrt;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
410 Handle<Object> mbrt_o;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
411 Persistent<Object> *hdl;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
412
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
413 hdl = (Persistent<Object> *)mb_prop_get(&mbobj->props,
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
414 PROP_JSOBJ);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
415 if(hdl)
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
416 return *hdl;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
417
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
418 switch(mbobj->obj_type) {
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
419 case MBO_COORD:
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
420 val = xnjsmb_auto_coord_new((coord_t *)mbobj);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
421 break;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
422
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
423 case MBO_PATH:
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
424 val = xnjsmb_auto_path_new((shape_t *)mbobj);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
425 break;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
426
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
427 case MBO_RECT:
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
428 val = xnjsmb_auto_rect_new((shape_t *)mbobj);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
429 break;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
430
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
431 case MBO_IMAGE:
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
432 val = xnjsmb_auto_image_new((shape_t *)mbobj);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
433 break;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
434
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
435 case MBO_STEXT:
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
436 val = xnjsmb_auto_stext_new((shape_t *)mbobj);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
437 break;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
438 }
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
439 ASSERT(val != NULL);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
440
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
441 mbrt = GET(parent, "mbrt");
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
442 obj = val->ToObject();
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
443 mbrt_o = mbrt->ToObject();
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
444 SET(obj, "mbrt", mbrt_o);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
445
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
446 return val;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
447 }
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
448
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
449 static Handle<Value>
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
450 xnjsmb_coord_get_child(coord_t *coord, Handle<Object> self,
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
451 int idx, const char **err) {
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
452 Handle<Value> child;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
453 mb_obj_t *child_mbobj;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
454
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
455 child_mbobj = _coord_get_nth_child_member(coord, idx);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
456 if(child_mbobj == NULL) {
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
457 *err = "invalid index value for children";
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
458 return Handle<Value>(NULL);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
459 }
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
460 child = _mb_obj_to_value(self, child_mbobj);
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
461
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
462 return child;
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
463 }
0cb89e204824 Implement tree-traveling for JS
Thinker K.F. Li <thinker@codemud.net>
parents: 1451
diff changeset
464
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
465 #include "coord-inc.h"
562
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
466
684
b346e4699e55 Add more comment for JS binding
Thinker K.F. Li <thinker@branda.to>
parents: 680
diff changeset
467 /*! \brief This function used by \ref xnjsmb_mb_rt to wrap coord object.
b346e4699e55 Add more comment for JS binding
Thinker K.F. Li <thinker@branda.to>
parents: 680
diff changeset
468 */
666
b6fb543d69ee Use binding generator to implement mb_rt
Thinker K.F. Li <thinker@branda.to>
parents: 661
diff changeset
469 Handle<Value> export_xnjsmb_auto_coord_new(coord_t *coord) {
695
763a4e2bbd85 Return the value of ojbject to fix the crash issue
wycc
parents: 684
diff changeset
470 return xnjsmb_auto_coord_new(coord);
666
b6fb543d69ee Use binding generator to implement mb_rt
Thinker K.F. Li <thinker@branda.to>
parents: 661
diff changeset
471 }
b6fb543d69ee Use binding generator to implement mb_rt
Thinker K.F. Li <thinker@branda.to>
parents: 661
diff changeset
472
562
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
473 /*! \brief Initialize Javascript object for root coord of a runtime.
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
474 *
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
475 * \param js_rt is the runtime object to create the root object for.
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
476 *
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
477 * After the function, js_rt.root is the object for root coord in
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
478 * Javascript.
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
479 */
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
480 void
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
481 xnjsmb_coord_mkroot(Handle<Object> js_rt) {
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
482 redraw_man_t *rdman;
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
483 coord_t *root;
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
484 Handle<Object> obj;
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
485 static int init_flag = 0;
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
486
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
487 if(!init_flag) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
488 xnjsmb_auto_coord_init();
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
489 init_flag = 1;
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
490 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
491
562
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
492 rdman = xnjsmb_rt_rdman(js_rt);
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
493 root = rdman_get_root(rdman);
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
494 obj = xnjsmb_auto_coord_new(root).As<Object>();
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
495 SET(obj, "mbrt", js_rt);
562
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
496
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
497 SET(js_rt, "root", obj);
1b6402f07cd4 Make root coord availabe for Javascript code
Thinker K.F. Li <thinker@branda.to>
parents: 560
diff changeset
498 }
684
b346e4699e55 Add more comment for JS binding
Thinker K.F. Li <thinker@branda.to>
parents: 680
diff changeset
499
b346e4699e55 Add more comment for JS binding
Thinker K.F. Li <thinker@branda.to>
parents: 680
diff changeset
500 /* @} */