mirror of https://github.com/bsnes-emu/bsnes.git
137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
static LRESULT CALLBACK HexEdit_windowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
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HexEdit &hexEdit = *(HexEdit*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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if(msg == WM_CHAR) {
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if(hexEdit.p.keyPress(wparam)) return 0;
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}
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return hexEdit.p.windowProc(hwnd, msg, wparam, lparam);
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}
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void pHexEdit::setColumns(unsigned columns) {
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update();
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}
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void pHexEdit::setLength(unsigned length) {
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update();
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}
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void pHexEdit::setOffset(unsigned offset) {
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update();
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}
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void pHexEdit::setRows(unsigned rows) {
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update();
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}
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void pHexEdit::update() {
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if(!hexEdit.onRead) {
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SetWindowText(hwnd, L"");
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return;
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}
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unsigned cursorPosition = Edit_GetSel(hwnd);
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string output;
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unsigned offset = hexEdit.state.offset;
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for(unsigned row = 0; row < hexEdit.state.rows; row++) {
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output.append(hex<8>(offset));
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output.append(" ");
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string hexdata;
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string ansidata = " ";
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for(unsigned column = 0; column < hexEdit.state.columns; column++) {
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if(offset < hexEdit.state.length) {
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uint8_t data = hexEdit.onRead(offset++);
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hexdata.append(hex<2>(data));
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hexdata.append(" ");
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char buffer[2] = { data >= 0x20 && data <= 0x7e ? (char)data : '.', 0 };
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ansidata.append(buffer);
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} else {
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hexdata.append(" ");
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ansidata.append(" ");
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}
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}
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output.append(hexdata);
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output.append(ansidata);
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if(offset >= hexEdit.state.length) break;
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if(row != hexEdit.state.rows - 1) output.append("\r\n");
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}
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SetWindowText(hwnd, utf16_t(output));
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Edit_SetSel(hwnd, LOWORD(cursorPosition), HIWORD(cursorPosition));
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}
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void pHexEdit::constructor() {
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hwnd = CreateWindowEx(
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WS_EX_CLIENTEDGE, L"EDIT", L"",
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WS_CHILD | WS_TABSTOP | ES_READONLY | ES_MULTILINE | ES_WANTRETURN,
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0, 0, 0, 0, parentWindow->p.hwnd, (HMENU)id, GetModuleHandle(0), 0
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);
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&hexEdit);
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setDefaultFont();
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update();
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windowProc = (LRESULT CALLBACK (*)(HWND, UINT, LPARAM, WPARAM))GetWindowLongPtr(hwnd, GWLP_WNDPROC);
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SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)HexEdit_windowProc);
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synchronize();
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}
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void pHexEdit::destructor() {
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DestroyWindow(hwnd);
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}
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void pHexEdit::orphan() {
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destructor();
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constructor();
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}
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bool pHexEdit::keyPress(unsigned scancode) {
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if(!hexEdit.onRead) return false;
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unsigned position = LOWORD(Edit_GetSel(hwnd));
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unsigned lineWidth = 10 + (hexEdit.state.columns * 3) + 1 + hexEdit.state.columns + 2;
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unsigned cursorY = position / lineWidth;
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unsigned cursorX = position % lineWidth;
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//convert scancode to hex nibble
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if(scancode >= '0' && scancode <= '9') scancode = scancode - '0';
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else if(scancode >= 'A' && scancode <= 'F') scancode = scancode - 'A' + 10;
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else if(scancode >= 'a' && scancode <= 'f') scancode = scancode - 'a' + 10;
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else return false;
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if(cursorX >= 10) {
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//not on an offset
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cursorX -= 10;
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if((cursorX % 3) != 2) {
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//not on a space
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bool cursorNibble = (cursorX % 3) == 1; //0 = high, 1 = low
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cursorX /= 3;
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if(cursorX < hexEdit.state.columns) {
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//not in ANSI region
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unsigned offset = hexEdit.state.offset + (cursorY * hexEdit.state.columns + cursorX);
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if(offset >= hexEdit.state.length) return false; //do not edit past end of data
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uint8_t data = hexEdit.onRead(offset);
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//write modified value
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if(cursorNibble == 1) {
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data = (data & 0xf0) | (scancode << 0);
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} else {
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data = (data & 0x0f) | (scancode << 4);
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}
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if(hexEdit.onWrite) hexEdit.onWrite(offset, data);
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//auto-advance cursor to next nibble or byte
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position++;
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if(cursorNibble && cursorX != hexEdit.state.columns - 1) position++;
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Edit_SetSel(hwnd, position, position);
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//refresh output to reflect modified data
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update();
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}
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}
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}
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return true;
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}
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