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1 /* GObject - GLib Type, Object, Parameter and Signal Library |
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2 * Copyright (C) 2001 Red Hat, Inc. |
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3 * |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Lesser General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Lesser General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Lesser General |
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15 * Public License along with this library; if not, write to the |
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16 * Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
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17 * Boston, MA 02111-1307, USA. |
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18 */ |
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19 |
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20 #include <string.h> |
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21 |
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22 #undef G_LOG_DOMAIN |
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23 #define G_LOG_DOMAIN "TestObject" |
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24 #include <glib-object.h> |
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25 |
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26 #ifdef SYMBIAN |
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27 #include "mrt2_glib2_test.h" |
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28 #endif /*SYMBIAN*/ |
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29 |
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30 |
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31 /* --- TestIface --- */ |
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32 #define TEST_TYPE_IFACE (test_iface_get_type ()) |
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33 #define TEST_IFACE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TEST_TYPE_IFACE, TestIface)) |
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34 #define TEST_IS_IFACE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TEST_TYPE_IFACE)) |
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35 #define TEST_IFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TEST_TYPE_IFACE, TestIfaceClass)) |
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36 typedef struct _TestIface TestIface; |
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37 typedef struct _TestIfaceClass TestIfaceClass; |
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38 struct _TestIfaceClass |
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39 { |
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40 GTypeInterface base_iface; |
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41 void (*print_string) (TestIface *tiobj, |
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42 const gchar *string); |
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43 }; |
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44 static void iface_base_init (TestIfaceClass *iface); |
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45 static void iface_base_finalize (TestIfaceClass *iface); |
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46 static void print_foo (TestIface *tiobj, |
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47 const gchar *string); |
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48 GType |
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49 test_iface_get_type (void) |
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50 { |
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51 static GType test_iface_type = 0; |
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52 |
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53 if (!test_iface_type) |
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54 { |
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55 static const GTypeInfo test_iface_info = |
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56 { |
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57 sizeof (TestIfaceClass), |
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58 (GBaseInitFunc) iface_base_init, /* base_init */ |
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59 (GBaseFinalizeFunc) iface_base_finalize, /* base_finalize */ |
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60 }; |
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61 |
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62 test_iface_type = g_type_register_static (G_TYPE_INTERFACE, "TestIface", &test_iface_info, 0); |
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63 g_type_interface_add_prerequisite (test_iface_type, G_TYPE_OBJECT); |
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64 } |
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65 |
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66 return test_iface_type; |
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67 } |
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68 static guint iface_base_init_count = 0; |
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69 static void |
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70 iface_base_init (TestIfaceClass *iface) |
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71 { |
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72 iface_base_init_count++; |
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73 if (iface_base_init_count == 1) |
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74 { |
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75 /* add signals here */ |
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76 } |
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77 } |
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78 static void |
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79 iface_base_finalize (TestIfaceClass *iface) |
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80 { |
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81 iface_base_init_count--; |
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82 if (iface_base_init_count == 0) |
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83 { |
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84 /* destroy signals here */ |
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85 } |
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86 } |
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87 static void |
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88 print_foo (TestIface *tiobj, |
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89 const gchar *string) |
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90 { |
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91 if (!string) |
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92 string = "<NULL>"; |
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93 } |
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94 |
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95 static void |
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96 test_object_test_iface_init (gpointer giface, |
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97 gpointer iface_data) |
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98 { |
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99 TestIfaceClass *iface = giface; |
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100 |
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101 g_assert (iface_data == GUINT_TO_POINTER (42)); |
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102 |
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103 g_assert (G_TYPE_FROM_INTERFACE (iface) == TEST_TYPE_IFACE); |
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104 |
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105 /* assert iface_base_init() was already called */ |
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106 g_assert (iface_base_init_count > 0); |
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107 |
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108 /* initialize stuff */ |
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109 iface->print_string = print_foo; |
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110 } |
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111 void |
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112 iface_print_string (TestIface *tiobj, |
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113 const gchar *string) |
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114 { |
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115 TestIfaceClass *iface; |
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116 |
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117 g_return_if_fail (TEST_IS_IFACE (tiobj)); |
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118 g_return_if_fail (G_IS_OBJECT (tiobj)); /* ensured through prerequisite */ |
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119 |
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120 iface = TEST_IFACE_GET_CLASS (tiobj); |
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121 g_object_ref (tiobj); |
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122 iface->print_string (tiobj, string); |
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123 g_object_unref (tiobj); |
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124 } |
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125 |
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126 |
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127 /* --- TestObject --- */ |
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128 #define TEST_TYPE_OBJECT (test_object_get_type ()) |
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129 #define TEST_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), TEST_TYPE_OBJECT, TestObject)) |
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130 #define TEST_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TEST_TYPE_OBJECT, TestObjectClass)) |
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131 #define TEST_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), TEST_TYPE_OBJECT)) |
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132 #define TEST_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TEST_TYPE_OBJECT)) |
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133 #define TEST_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TEST_TYPE_OBJECT, TestObjectClass)) |
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134 #define TEST_OBJECT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TEST_TYPE_OBJECT, TestObjectPrivate)) |
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135 typedef struct _TestObject TestObject; |
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136 typedef struct _TestObjectClass TestObjectClass; |
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137 typedef struct _TestObjectPrivate TestObjectPrivate; |
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138 struct _TestObject |
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139 { |
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140 GObject parent_instance; |
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141 }; |
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142 struct _TestObjectClass |
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143 { |
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144 GObjectClass parent_class; |
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145 |
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146 gchar* (*test_signal) (TestObject *tobject, |
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147 TestIface *iface_object, |
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148 gpointer tdata); |
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149 }; |
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150 struct _TestObjectPrivate |
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151 { |
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152 int dummy1; |
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153 gdouble dummy2; |
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154 }; |
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155 static void test_object_class_init (TestObjectClass *class); |
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156 static void test_object_init (TestObject *tobject); |
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157 static gboolean test_signal_accumulator (GSignalInvocationHint *ihint, |
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158 GValue *return_accu, |
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159 const GValue *handler_return, |
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160 gpointer data); |
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161 static gchar* test_object_test_signal (TestObject *tobject, |
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162 TestIface *iface_object, |
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163 gpointer tdata); |
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164 GType |
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165 test_object_get_type (void) |
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166 { |
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167 static GType test_object_type = 0; |
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168 |
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169 if (!test_object_type) |
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170 { |
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171 static const GTypeInfo test_object_info = |
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172 { |
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173 sizeof (TestObjectClass), |
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174 NULL, /* base_init */ |
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175 NULL, /* base_finalize */ |
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176 (GClassInitFunc) test_object_class_init, |
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177 NULL, /* class_finalize */ |
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178 NULL, /* class_data */ |
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179 sizeof (TestObject), |
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180 5, /* n_preallocs */ |
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181 (GInstanceInitFunc) test_object_init, |
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182 }; |
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183 GInterfaceInfo iface_info = { test_object_test_iface_init, NULL, GUINT_TO_POINTER (42) }; |
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184 |
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185 test_object_type = g_type_register_static (G_TYPE_OBJECT, "TestObject", &test_object_info, 0); |
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186 g_type_add_interface_static (test_object_type, TEST_TYPE_IFACE, &iface_info); |
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187 } |
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188 |
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189 return test_object_type; |
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190 } |
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191 static void |
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192 test_object_class_init (TestObjectClass *class) |
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193 { |
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194 /* GObjectClass *gobject_class = G_OBJECT_CLASS (class); */ |
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195 |
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196 class->test_signal = test_object_test_signal; |
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197 |
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198 g_signal_new ("test-signal", |
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199 G_OBJECT_CLASS_TYPE (class), |
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200 G_SIGNAL_RUN_FIRST | G_SIGNAL_RUN_LAST | G_SIGNAL_RUN_CLEANUP, |
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201 G_STRUCT_OFFSET (TestObjectClass, test_signal), |
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202 test_signal_accumulator, NULL, |
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203 g_cclosure_marshal_STRING__OBJECT_POINTER, |
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204 G_TYPE_STRING, 2, TEST_TYPE_IFACE, G_TYPE_POINTER); |
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205 |
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206 g_type_class_add_private (class, sizeof (TestObjectPrivate)); |
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207 } |
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208 static void |
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209 test_object_init (TestObject *tobject) |
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210 { |
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211 TestObjectPrivate *priv; |
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212 |
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213 priv = TEST_OBJECT_GET_PRIVATE (tobject); |
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214 |
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215 g_assert (priv); |
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216 g_assert ((gchar *)priv >= (gchar *)tobject + sizeof (TestObject)); |
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217 |
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218 priv->dummy1 = 54321; |
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219 } |
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220 /* Check to see if private data initialization in the |
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221 * instance init function works. |
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222 */ |
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223 static void |
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224 test_object_check_private_init (TestObject *tobject) |
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225 { |
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226 TestObjectPrivate *priv; |
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227 |
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228 priv = TEST_OBJECT_GET_PRIVATE (tobject); |
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229 |
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230 g_assert (priv->dummy1 == 54321); |
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231 } |
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232 static gboolean |
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233 test_signal_accumulator (GSignalInvocationHint *ihint, |
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234 GValue *return_accu, |
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235 const GValue *handler_return, |
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236 gpointer data) |
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237 { |
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238 gchar *accu_string = (char *)g_value_get_string (return_accu); |
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239 gchar *new_string = (char *)g_value_get_string (handler_return); |
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240 gchar *result_string; |
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241 |
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242 if (accu_string) |
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243 result_string = g_strconcat (accu_string, new_string, NULL); |
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244 else if (new_string) |
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245 result_string = g_strdup (new_string); |
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246 else |
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247 result_string = NULL; |
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248 |
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249 g_value_take_string (return_accu, result_string); |
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250 |
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251 return TRUE; |
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252 } |
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253 static gchar* |
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254 test_object_test_signal (TestObject *tobject, |
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255 TestIface *iface_object, |
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256 gpointer tdata) |
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257 { |
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258 g_return_val_if_fail (TEST_IS_IFACE (iface_object), NULL); |
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259 |
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260 return g_strdup ("<default_handler>"); |
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261 } |
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262 |
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263 |
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264 /* --- TestIface for DerivedObject --- */ |
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265 static void |
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266 print_bar (TestIface *tiobj, |
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267 const gchar *string) |
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268 { |
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269 TestIfaceClass *parent_iface; |
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270 |
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271 g_return_if_fail (TEST_IS_IFACE (tiobj)); |
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272 |
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273 if (!string) |
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274 string = "<NULL>"; |
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275 |
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276 parent_iface = g_type_interface_peek_parent (TEST_IFACE_GET_CLASS (tiobj)); |
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277 parent_iface->print_string (tiobj, string); |
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278 |
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279 g_assert (g_type_interface_peek_parent (parent_iface) == NULL); |
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280 } |
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281 |
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282 static void |
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283 derived_object_test_iface_init (gpointer giface, |
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284 gpointer iface_data) |
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285 { |
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286 TestIfaceClass *iface = giface; |
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287 |
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288 g_assert (iface_data == GUINT_TO_POINTER (87)); |
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289 |
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290 g_assert (G_TYPE_FROM_INTERFACE (iface) == TEST_TYPE_IFACE); |
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291 |
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292 /* assert test_object_test_iface_init() was already called */ |
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293 g_assert (iface->print_string == print_foo); |
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294 |
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295 /* override stuff */ |
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296 iface->print_string = print_bar; |
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297 } |
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298 |
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299 |
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300 /* --- DerivedObject --- */ |
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301 #define DERIVED_TYPE_OBJECT (derived_object_get_type ()) |
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302 #define DERIVED_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), DERIVED_TYPE_OBJECT, DerivedObject)) |
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303 #define DERIVED_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), DERIVED_TYPE_OBJECT, DerivedObjectClass)) |
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304 #define DERIVED_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), DERIVED_TYPE_OBJECT)) |
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305 #define DERIVED_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), DERIVED_TYPE_OBJECT)) |
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306 #define DERIVED_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), DERIVED_TYPE_OBJECT, DerivedObjectClass)) |
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307 #define DERIVED_OBJECT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DERIVED_TYPE_OBJECT, DerivedObjectPrivate)) |
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308 typedef struct _DerivedObject DerivedObject; |
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309 typedef struct _TestObjectClass DerivedObjectClass; |
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310 typedef struct _DerivedObjectPrivate DerivedObjectPrivate; |
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311 struct _DerivedObject |
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312 { |
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313 TestObject parent_instance; |
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314 int dummy1; |
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315 int dummy2; |
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316 }; |
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317 struct _DerivedObjectPrivate |
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318 { |
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319 char dummy; |
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320 }; |
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321 static void derived_object_class_init (DerivedObjectClass *class); |
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322 static void derived_object_init (DerivedObject *dobject); |
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323 GType |
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324 derived_object_get_type (void) |
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325 { |
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326 static GType derived_object_type = 0; |
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327 |
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328 if (!derived_object_type) |
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329 { |
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330 static const GTypeInfo derived_object_info = |
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331 { |
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332 sizeof (DerivedObjectClass), |
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333 NULL, /* base_init */ |
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334 NULL, /* base_finalize */ |
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335 (GClassInitFunc) derived_object_class_init, |
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336 NULL, /* class_finalize */ |
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337 NULL, /* class_data */ |
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338 sizeof (DerivedObject), |
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339 5, /* n_preallocs */ |
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340 (GInstanceInitFunc) derived_object_init, |
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341 }; |
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342 GInterfaceInfo iface_info = { derived_object_test_iface_init, NULL, GUINT_TO_POINTER (87) }; |
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343 |
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344 derived_object_type = g_type_register_static (TEST_TYPE_OBJECT, "DerivedObject", &derived_object_info, 0); |
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345 g_type_add_interface_static (derived_object_type, TEST_TYPE_IFACE, &iface_info); |
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346 } |
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347 |
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348 return derived_object_type; |
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349 } |
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350 static void |
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351 derived_object_class_init (DerivedObjectClass *class) |
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352 { |
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353 g_type_class_add_private (class, sizeof (DerivedObjectPrivate)); |
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354 } |
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355 static void |
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356 derived_object_init (DerivedObject *dobject) |
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357 { |
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358 TestObjectPrivate *test_priv; |
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359 DerivedObjectPrivate *derived_priv; |
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360 |
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361 derived_priv = DERIVED_OBJECT_GET_PRIVATE (dobject); |
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362 |
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363 g_assert (derived_priv); |
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364 g_assert ((gchar *)derived_priv >= (gchar *)TEST_OBJECT_GET_PRIVATE (dobject) + sizeof (TestObjectPrivate)); |
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365 |
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366 test_priv = TEST_OBJECT_GET_PRIVATE (dobject); |
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367 |
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368 g_assert (test_priv); |
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369 g_assert ((gchar *)test_priv >= (gchar *)dobject + sizeof (TestObject)); |
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370 |
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371 } |
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372 |
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373 /* --- main --- */ |
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374 int |
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375 main (int argc, |
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376 char *argv[]) |
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377 { |
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378 GTypeInfo info = { 0, }; |
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379 GTypeFundamentalInfo finfo = { 0, }; |
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380 GType type; |
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381 TestObject *sigarg; |
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382 DerivedObject *dobject; |
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383 TestObjectPrivate *priv; |
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384 gchar *string = NULL; |
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385 |
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386 #ifdef SYMBIAN |
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387 g_log_set_handler (NULL, G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL); |
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388 g_set_print_handler(mrtPrintHandler); |
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389 #endif /*SYMBIAN*/ |
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390 |
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391 |
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392 g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) | |
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393 G_LOG_LEVEL_WARNING | |
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394 G_LOG_LEVEL_CRITICAL); |
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395 g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS); |
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396 |
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397 /* test new fundamentals */ |
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398 g_assert (G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST) == g_type_fundamental_next ()); |
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399 type = g_type_register_fundamental (g_type_fundamental_next (), "FooShadow1", &info, &finfo, 0); |
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400 g_assert (G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST + 1) == g_type_fundamental_next ()); |
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401 type = g_type_register_fundamental (g_type_fundamental_next (), "FooShadow2", &info, &finfo, 0); |
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402 g_assert (G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST + 2) == g_type_fundamental_next ()); |
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403 g_assert (g_type_from_name ("FooShadow1") == G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST)); |
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404 g_assert (g_type_from_name ("FooShadow2") == G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST + 1)); |
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405 |
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406 /* to test past class initialization interface setups, create the class here */ |
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407 g_type_class_ref (TEST_TYPE_OBJECT); |
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408 |
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409 dobject = g_object_new (DERIVED_TYPE_OBJECT, NULL); |
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410 test_object_check_private_init (TEST_OBJECT (dobject)); |
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411 |
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412 sigarg = g_object_new (TEST_TYPE_OBJECT, NULL); |
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413 |
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414 g_signal_emit_by_name (dobject, "test-signal", sigarg, NULL, &string); |
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415 g_assert (strcmp (string, "<default_handler><default_handler>") == 0); |
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416 g_free (string); |
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417 |
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418 iface_print_string (TEST_IFACE (sigarg), "iface-string-from-test-type"); |
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419 iface_print_string (TEST_IFACE (dobject), "iface-string-from-derived-type"); |
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420 |
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421 priv = TEST_OBJECT_GET_PRIVATE (dobject); |
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422 g_assert (priv->dummy1 == 54321); |
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423 |
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424 g_object_unref (sigarg); |
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425 g_object_unref (dobject); |
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426 |
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427 #ifdef SYMBIAN |
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428 testResultXml("testgobject"); |
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429 #endif /* EMULATOR */ |
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430 return 0; |
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431 } |