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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 562 | chris | 1 | /* |
| 2 | * com_gebauz_Bauzoid_platform_windows_Win7TouchInput.cpp |
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| 3 | * |
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| 4 | * Created on: 19.04.2013 |
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| 5 | * Author: chiu |
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| 6 | */ |
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| 7 | |||
| 8 | #include <iostream> |
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| 9 | #include <Windows.h> |
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| 10 | #include <windowsx.h> |
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| 11 | |||
| 12 | #include "com_gebauz_Bauzoid_platform_windows_Win7TouchInput.h" |
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| 13 | |||
| 14 | using namespace std; |
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| 15 | |||
| 16 | #define WM_REGISTERTOUCH (WM_USER + 0x0001) |
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| 17 | |||
| 18 | WNDPROC wpOrigEditProc = NULL; |
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| 19 | JNIEnv* jniEnv = NULL; |
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| 20 | jobject jInputObject = NULL; |
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| 21 | |||
| 22 | |||
| 563 | chris | 23 | void SetIntField(jobject obj, char* fieldName, int value) |
| 562 | chris | 24 | { |
| 563 | chris | 25 | jclass cls = jniEnv->GetObjectClass(obj); |
| 26 | jfieldID fid = jniEnv->GetFieldID(cls, fieldName, "I"); |
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| 27 | jniEnv->SetIntField(obj, fid, value); |
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| 28 | |||
| 29 | /*jfieldID fieldId = env->GetFieldID(cls, fieldName, "I"); |
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| 562 | chris | 30 | if (fieldId == NULL) |
| 31 | { |
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| 32 | cout << "Field '" << fieldName << "' not found!" << endl; |
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| 33 | return; |
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| 34 | } |
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| 563 | chris | 35 | env->SetIntField(obj, fieldId, value);*/ |
| 562 | chris | 36 | } |
| 37 | |||
| 565 | chris | 38 | void SendTouchInput(HWND hwnd, TOUCHINPUT& input) |
| 562 | chris | 39 | { |
| 40 | |||
| 41 | if ((jniEnv == NULL) || (jInputObject == NULL)) |
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| 42 | return; |
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| 43 | |||
| 44 | // construct a Java WindowsTouchInfo object and send it to Win7TouchInput |
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| 45 | |||
| 46 | // find the class |
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| 47 | jclass touchInfoClass = jniEnv->FindClass("com/gebauz/Bauzoid/platform/windows/Win7TouchInput$WindowsTouchInfo"); |
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| 48 | if (touchInfoClass == NULL) |
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| 49 | { |
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| 50 | cout << "WindowsTouchInfo class not found" << endl; |
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| 51 | return; |
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| 52 | } |
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| 53 | |||
| 563 | chris | 54 | //cout << "1" << endl; |
| 55 | |||
| 562 | chris | 56 | // get constructor |
| 57 | jmethodID methodConstructor = jniEnv->GetMethodID(touchInfoClass, "<init>", "()V"); |
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| 58 | if (methodConstructor == NULL) |
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| 59 | { |
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| 60 | cout << "WindowsTouchInfo constructor not found" << endl; |
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| 61 | return; |
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| 62 | } |
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| 63 | |||
| 563 | chris | 64 | //cout << "2" << endl; |
| 65 | |||
| 562 | chris | 66 | // invoke constructor |
| 67 | jobject touchInfoInstance = jniEnv->NewObject(touchInfoClass, methodConstructor); |
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| 68 | if (touchInfoInstance == NULL) |
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| 69 | { |
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| 70 | cout << "Could not create WindowsTouchInfo instance!" << endl; |
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| 71 | return; |
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| 72 | } |
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| 73 | |||
| 563 | chris | 74 | //cout << "3" << endl; |
| 75 | |||
| 565 | chris | 76 | POINT pt; |
| 77 | pt.x = input.x/100; |
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| 78 | pt.y = input.y/100; |
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| 79 | |||
| 80 | ::ScreenToClient(hwnd, &pt); |
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| 81 | |||
| 562 | chris | 82 | // set fields |
| 565 | chris | 83 | SetIntField(touchInfoInstance, "x", pt.x); |
| 84 | SetIntField(touchInfoInstance, "y", pt.y); |
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| 563 | chris | 85 | SetIntField(touchInfoInstance, "id", input.dwID); |
| 86 | SetIntField(touchInfoInstance, "actionFlags", input.dwFlags); |
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| 562 | chris | 87 | |
| 565 | chris | 88 | cout << "[C++] ID: " << input.dwID << " (" << pt.x << ", " << pt.y << ") - " << input.dwFlags << endl; |
| 89 | |||
| 90 | |||
| 563 | chris | 91 | //cout << "4" << endl; |
| 92 | |||
| 93 | /*jclass cls = jniEnv->GetObjectClass(touchInfoInstance); |
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| 94 | jfieldID fid = jniEnv->GetFieldID(cls, "id", "I"); |
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| 95 | jniEnv->SetIntField(touchInfoInstance, fid, 1337);*/ |
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| 96 | |||
| 562 | chris | 97 | // invoke method that takes WindowsTouchInfo as parameter |
| 98 | jmethodID methodOnTouch = jniEnv->GetMethodID(jniEnv->GetObjectClass(jInputObject), "onTouch", "(Lcom/gebauz/Bauzoid/platform/windows/Win7TouchInput$WindowsTouchInfo;)V"); |
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| 563 | chris | 99 | if (methodOnTouch == NULL) |
| 562 | chris | 100 | { |
| 101 | cout << "Win7TouchInput.onTouch() method not found!" << endl; |
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| 102 | return; |
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| 103 | } |
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| 104 | jniEnv->CallVoidMethod(jInputObject, methodOnTouch, touchInfoInstance); |
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| 563 | chris | 105 | |
| 106 | /* |
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| 107 | jmethodID methodTest = jniEnv->GetMethodID(jniEnv->GetObjectClass(jInputObject), "test", "(I)V"); |
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| 108 | if (methodTest == NULL) |
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| 109 | { |
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| 110 | cout << "Win7TouchInput.onTouch() method not found!" << endl; |
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| 111 | return; |
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| 112 | } |
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| 113 | jniEnv->CallVoidMethod(jInputObject, methodTest, 1337);*/ |
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| 114 | |||
| 115 | //jniEnv->DeleteLocalRef(touchInfoInstance); |
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| 116 | |||
| 117 | //cout << "6" << endl; |
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| 562 | chris | 118 | } |
| 119 | |||
| 120 | void HandleTouch(HWND hwnd, WPARAM wParam, LPARAM lParam) |
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| 121 | { |
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| 122 | UINT cInputs = LOWORD(wParam); |
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| 123 | PTOUCHINPUT pInputs = new TOUCHINPUT[cInputs]; |
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| 124 | if (NULL != pInputs) |
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| 125 | { |
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| 126 | if (GetTouchInputInfo((HTOUCHINPUT)lParam, |
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| 127 | cInputs, |
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| 128 | pInputs, |
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| 129 | sizeof(TOUCHINPUT))) |
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| 130 | { |
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| 131 | // process pInputs |
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| 132 | /* |
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| 133 | wchar_t text[200]; |
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| 134 | wsprintf(text, L"WM_TOUCH %d", cInputs); |
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| 135 | |||
| 136 | ::SetWindowText(hwnd, text);*/ |
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| 137 | |||
| 563 | chris | 138 | for (UINT i = 0; i < cInputs; i++) |
| 562 | chris | 139 | { |
| 565 | chris | 140 | SendTouchInput(hwnd, pInputs[i]); |
| 562 | chris | 141 | } |
| 142 | |||
| 563 | chris | 143 | /*if (jniEnv != NULL) |
| 144 | { |
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| 145 | jclass thisClass = jniEnv->GetObjectClass(jInputObject); |
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| 146 | jmethodID midTest = jniEnv->GetMethodID(thisClass, "test", "()V"); |
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| 147 | if (NULL == midTest) |
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| 148 | { |
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| 149 | cout << "test method not found" << endl; |
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| 150 | } |
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| 151 | else |
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| 152 | { |
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| 153 | jniEnv->CallVoidMethod(jInputObject, midTest); |
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| 154 | cout << "Called back!!!" << endl; |
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| 155 | } |
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| 156 | }*/ |
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| 157 | |||
| 158 | |||
| 562 | chris | 159 | if (!CloseTouchInputHandle((HTOUCHINPUT)lParam)) |
| 160 | { |
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| 161 | // error handling |
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| 162 | } |
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| 163 | } |
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| 164 | else |
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| 165 | { |
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| 166 | // GetLastError() and error handling |
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| 167 | } |
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| 168 | delete [] pInputs; |
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| 169 | } |
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| 170 | else |
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| 171 | { |
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| 172 | // error handling, presumably out of memory |
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| 173 | } |
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| 174 | } |
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| 175 | |||
| 176 | // Subclass procedure |
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| 177 | LRESULT APIENTRY WindowSubClassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) |
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| 178 | { |
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| 179 | switch (uMsg) |
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| 180 | { |
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| 181 | case WM_REGISTERTOUCH: |
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| 182 | { |
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| 183 | if (!RegisterTouchWindow(hwnd, TWF_WANTPALM)) |
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| 184 | { |
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| 185 | cout << "error registering touch window: " << GetLastError() << endl; |
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| 186 | break; |
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| 187 | } |
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| 188 | cout << "Registered touch" << endl; |
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| 189 | |||
| 563 | chris | 190 | /*if (jniEnv != NULL) |
| 562 | chris | 191 | { |
| 192 | jclass thisClass = jniEnv->GetObjectClass(jInputObject); |
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| 193 | jmethodID midTest = jniEnv->GetMethodID(thisClass, "test", "()V"); |
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| 194 | if (NULL == midTest) |
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| 195 | { |
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| 196 | cout << "test method not found" << endl; |
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| 197 | break; |
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| 198 | } |
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| 199 | jniEnv->CallVoidMethod(jInputObject, midTest); |
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| 200 | cout << "Called back!!!" << endl; |
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| 201 | }*/ |
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| 202 | } |
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| 203 | break; |
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| 204 | case WM_TOUCH: |
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| 205 | HandleTouch(hwnd, wParam, lParam); |
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| 206 | break; |
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| 207 | } |
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| 208 | |||
| 209 | return CallWindowProc(wpOrigEditProc, hwnd, uMsg, wParam, lParam); |
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| 210 | } |
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| 211 | |||
| 212 | // JNI exported method |
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| 213 | JNIEXPORT void JNICALL Java_com_gebauz_Bauzoid_platform_windows_Win7TouchInput_initTouch(JNIEnv* env, jobject jthis, jlong jhwnd) |
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| 214 | { |
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| 215 | HWND hwnd = (HWND)jhwnd; |
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| 216 | jniEnv = env; |
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| 563 | chris | 217 | jInputObject = env->NewGlobalRef(jthis); |
| 562 | chris | 218 | |
| 219 | wpOrigEditProc = (WNDPROC)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG)WindowSubClassProc); |
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| 220 | ::SendMessage(hwnd, WM_REGISTERTOUCH, 0, 0); |
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| 221 | |||
| 222 | cout << "Subclassed window" << endl; |
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| 223 | } |