Mercurial > sdl-ios-xcode

annotate EXCLUDE/GLIMM/src/IMM.cpp @ 4748:d1ce08e2697f

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Added missing line to make things compile.
author dewyatt
date Tue, 06 Jul 2010 03:27:22 -0400
parents 0aaa54fbd2bc
children
rev   line source
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bb189d44af16 Added GLIMM (using IMM instead of TSF)
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1 #include "IMM.hpp"
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2 #include <stdexcept>
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3
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4 IMM::IMM() : my_COM_Initialized(false),
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5 my_Thread_Manager(0),
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6 my_Window(0),
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7 my_Context(0),
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8 my_HKL(0),
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9 my_Vertical_Candidates(false),
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10 my_Enabled(false)
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11 {
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12
bb189d44af16 Added GLIMM (using IMM instead of TSF)
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13 }
bb189d44af16 Added GLIMM (using IMM instead of TSF)
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14
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15 IMM::~IMM()
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16 {
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17 Finalize();
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18 }
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19
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20 void IMM::Initialize(HWND Window)
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21 {
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22 Finalize();
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23
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24 my_Window = Window;
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25
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26 if (SUCCEEDED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED)))
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27 {
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28 my_COM_Initialized = true;
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29 if (SUCCEEDED(CoCreateInstance(CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, IID_ITfThreadMgr, reinterpret_cast<LPVOID *>(&my_Thread_Manager))))
bb189d44af16 Added GLIMM (using IMM instead of TSF)
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30 {
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31 ITfDocumentMgr *Document_Manager = 0;
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32 if (SUCCEEDED(my_Thread_Manager->AssociateFocus(Window, NULL, &Document_Manager)))
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33 {
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34 if (Document_Manager)
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35 Document_Manager->Release();
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36 }
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37 else
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bb189d44af16 Added GLIMM (using IMM instead of TSF)
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38 printf("Warning: ITfThreadMgr->AssociateFocus failed\n");
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39 }
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40 else
bb189d44af16 Added GLIMM (using IMM instead of TSF)
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41 printf("Warning: Failed to create ITfThreadMgr instance\n");
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42 }
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43 else
bb189d44af16 Added GLIMM (using IMM instead of TSF)
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44 printf("Warning: Failed to initialize COM\n");
bb189d44af16 Added GLIMM (using IMM instead of TSF)
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45
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46 ImmDisableTextFrameService((DWORD)-1);
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47
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48 my_Context = ImmGetContext(my_Window);
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49 ImmReleaseContext(my_Window, my_Context);
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50 if (!my_Context)
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51 throw std::runtime_error("No context (No IME installed?)");
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52
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53 Update_Input_Locale();
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54 Cancel_Composition();
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55 Disable();
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56 }
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57
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58 void IMM::Finalize()
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59 {
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60 if (my_Thread_Manager)
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61 {
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62 my_Thread_Manager->Release();
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63 my_Thread_Manager = 0;
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64 }
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65 if (my_COM_Initialized)
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66 {
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67 CoUninitialize();
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68 my_COM_Initialized = false;
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69 }
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70 }
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71
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72 #define GET_LANG(hkl) LOWORD((hkl))
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73 #define GET_PRIMLANG(hkl) ((WORD)PRIMARYLANGID(GET_LANG((hkl))))
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74 #define GET_SUBLANG(hkl) SUBLANGID(GET_LANG((hkl)))
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75
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76 void IMM::Update_Input_Locale()
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77 {
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78 static HKL Previous_HKL = 0;
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79 my_HKL = GetKeyboardLayout(0);
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80 if (Previous_HKL == my_HKL)
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81 return;
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82
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83 Previous_HKL = my_HKL;
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84 my_Vertical_Candidates = false;
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85 switch (GET_PRIMLANG(my_HKL))
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86 {
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87 case LANG_CHINESE:
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88 my_Vertical_Candidates = true;
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89 switch (GET_SUBLANG(my_HKL))
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90 {
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91 case SUBLANG_CHINESE_SIMPLIFIED:
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92 my_Vertical_Candidates = false;
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93 break;
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94 }
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95 break;
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96 case LANG_JAPANESE:
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97 my_Vertical_Candidates = true;
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98 break;
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99 }
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100 }
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101
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102 LRESULT IMM::Handle_Message(HWND Window, UINT Message, WPARAM wParam, LPARAM lParam, bool &Ate)
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103 {
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104 Ate = false;
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105 switch (Message)
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106 {
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107 case WM_INPUTLANGCHANGE:
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108 Input_Language_Changed();
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109 break;
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110 case WM_IME_SETCONTEXT:
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111 lParam = 0;
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112 break;
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113 case WM_IME_STARTCOMPOSITION:
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114 Ate = true;
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115 break;
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116 case WM_IME_COMPOSITION:
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117 {
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118 Ate = true;
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119 HIMC Context = ImmGetContext(Window);
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120 if (!Context)
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121 break;
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122
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123 if (lParam & GCS_RESULTSTR)
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124 {
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125 LONG Length = ImmGetCompositionStringW(Context, GCS_RESULTSTR, 0, 0);
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126 std::wstring Composition(Length / sizeof(wchar_t), 0);
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127 Length = ImmGetCompositionStringW(Context, GCS_RESULTSTR, &Composition[0], Composition.size() * sizeof(Composition[0]));
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128 printf("GCS_RESULTSTR: ");
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129 for (LONG i = 0; i < Length / sizeof(wchar_t); ++i)
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130 printf("U+%04X ", Composition[i]);
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131
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132 printf("\n");
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133 }
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134 if (lParam & GCS_COMPSTR)
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135 {
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136 LONG Length = ImmGetCompositionStringW(Context, GCS_COMPSTR, 0, 0);
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137 std::wstring Composition(Length / sizeof(wchar_t), 0);
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138 Length = ImmGetCompositionStringW(Context, GCS_COMPSTR, &Composition[0], Composition.size() * sizeof(Composition[0]));
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139 printf("GCS_COMPSTR: ");
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140 for (LONG i = 0; i < Length / sizeof(wchar_t); ++i)
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141 printf("U+%04X ", Composition[i]);
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142
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143 printf("\n");
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144 }
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145 ImmReleaseContext(Window, Context);
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146 }
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147 break;
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148 case WM_IME_ENDCOMPOSITION:
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149 break;
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150 case WM_IME_NOTIFY:
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151 switch (wParam)
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152 {
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153 case IMN_SETCONVERSIONMODE:
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154
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155 break;
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156 case IMN_SETOPENSTATUS:
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157 Update_Input_Locale();
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158 break;
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159 case IMN_OPENCANDIDATE:
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160 case IMN_CHANGECANDIDATE:
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161 Ate = true;
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162 break;
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163 case IMN_CLOSECANDIDATE:
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164 Ate = true;
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165 break;
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166 default:
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167 Ate = true;
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168 break;
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169 }
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170 break;
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171 }
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172 return 0;
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173 }
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174
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175 void IMM::Enable()
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176 {
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177 ImmAssociateContext(my_Window, my_Context);
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178 Update_Input_Locale();
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179 my_Enabled = true;
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180 printf("* Enabled\n");
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181 }
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182
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183 void IMM::Disable()
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184 {
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185 ImmAssociateContext(my_Window, 0);
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186 my_Enabled = false;
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187 printf("* Disabled\n");
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188 }
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189
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190 bool IMM::Is_Enabled()
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191 {
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192 return my_Enabled;
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193 }
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194
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195 void IMM::Toggle()
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196 {
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197 if (my_Enabled)
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198 Disable();
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199 else
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200 Enable();
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201 }
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202
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203 void IMM::Focus_Gained()
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204 {
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205 if (my_Enabled)
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206 Enable();
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207 }
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208
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209 void IMM::Focus_Lost()
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210 {
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211 bool Enabled = my_Enabled;
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212 Cancel_Composition();
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213 Disable();
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214 my_Enabled = Enabled;
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215 }
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216
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217 void IMM::Cancel_Composition()
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218 {
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219 HIMC hIMC = ImmGetContext(my_Window);
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220 if (!hIMC)
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221 return;
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222
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223 ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
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224 ImmNotifyIME(hIMC, NI_CLOSECANDIDATE, 0, 0);
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225 ImmReleaseContext(my_Window, hIMC);
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226 }
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227
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228 void IMM::Input_Language_Changed()
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229 {
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230 Update_Input_Locale();
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231 HWND hwndImeDef = ImmGetDefaultIMEWnd(my_Window);
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232 if (hwndImeDef)
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233 {
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234 SendMessageA(hwndImeDef, WM_IME_CONTROL, IMC_OPENSTATUSWINDOW, 0);
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235 SendMessageA(hwndImeDef, WM_IME_CONTROL, IMC_CLOSESTATUSWINDOW, 0);
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236 }
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237 }