450 lines
12 KiB
C++
450 lines
12 KiB
C++
#include "private.h"
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#include "commdlg.h"
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#include "TextInputCtrl.h"
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extern HINSTANCE g_hInst;
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#define TEXTINPUTCTRL_CLASSNAME TEXT("TextInputCtrlClassName")
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#define TIMERID_CARET 0x100
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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ATOM CTextInputCtrl::RegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSEX wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = (WNDPROC)s_WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = NULL;
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wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcex.lpszMenuName = NULL;
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wcex.lpszClassName = TEXTINPUTCTRL_CLASSNAME;
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wcex.hIconSm = NULL;
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return RegisterClassEx(&wcex);
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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HWND CTextInputCtrl::Create(HWND hwndParent)
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{
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_hwnd = CreateWindow(TEXTINPUTCTRL_CLASSNAME,
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NULL,
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WS_CHILD,
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0, 0, 0, 0,
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hwndParent,
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NULL,
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g_hInst,
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this);
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return _hwnd;
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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LRESULT CALLBACK CTextInputCtrl::s_WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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HDC hdc;
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PAINTSTRUCT ps;
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CTextInputCtrl *ptic;
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switch (message)
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{
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case WM_CREATE:
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SetThis(hwnd, ((CREATESTRUCT *)lParam)->lpCreateParams);
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SetTimer(hwnd, TIMERID_CARET, GetCaretBlinkTime(), NULL);
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GetThis(hwnd)->OnCreate(hwnd, wParam, lParam);
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break;
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case WM_DESTROY:
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ptic = GetThis(hwnd);
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if (ptic)
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{
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ptic->OnDestroy();
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}
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break;
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case WM_SETFOCUS:
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ptic = GetThis(hwnd);
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if (ptic)
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{
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ptic->OnSetFocus(wParam, lParam);
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}
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break;
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case WM_PAINT:
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ptic = GetThis(hwnd);
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hdc = BeginPaint(hwnd, &ps);
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if (ptic)
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ptic->OnPaint(hdc);
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EndPaint(hwnd, &ps);
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break;
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case WM_KEYDOWN:
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ptic = GetThis(hwnd);
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if (ptic)
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ptic->OnKeyDown(wParam, lParam);
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break;
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case WM_LBUTTONDOWN:
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ptic = GetThis(hwnd);
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if (ptic)
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ptic->OnLButtonDown(wParam, lParam);
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break;
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case WM_LBUTTONUP:
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ptic = GetThis(hwnd);
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if (ptic)
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ptic->OnLButtonUp(wParam, lParam);
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break;
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case WM_MOUSEMOVE:
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ptic = GetThis(hwnd);
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if (ptic)
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ptic->OnMouseMove(wParam, lParam);
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break;
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case WM_IME_COMPOSITION:
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if (lParam & GCS_RESULTSTR)
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{
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HIMC himc = ImmGetContext(hwnd);
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if (himc)
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{
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LONG nSize = ImmGetCompositionString(himc, GCS_RESULTSTR, NULL, 0);
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if (nSize)
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{
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LPWSTR psz = (LPWSTR)LocalAlloc(LPTR, nSize + sizeof(WCHAR));
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if (psz)
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{
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ImmGetCompositionString(himc, GCS_RESULTSTR, psz, nSize);
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LocalFree(psz);
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}
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}
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}
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ImmReleaseContext(hwnd, himc);
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//
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// If we don't want to receive WM_IME_CHAR or WM_CHAR with
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// this result string, we should not call DefWindowProc()
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// with GCS_RESULTSTR, GCS_RESULTREADSTR, GCS_RESULTCLAUSE and
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// GCS_RESULTREADCLAUSE flags.
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//
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// lParam &= ~(GCS_RESULTCLAUSE |
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// GCS_RESULTREADCLAUSE |
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// GCS_RESULTREADSTR |
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// GCS_RESULTSTR);
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// if (!lParam)
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// break;
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//
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}
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return DefWindowProc(hwnd, message, wParam, lParam);
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case WM_IME_CHAR:
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//
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// wParam is a character of the result string.
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// if we don't want to receive WM_CHAR message for this character,
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// we should not call DefWindowProc().
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//
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return DefWindowProc(hwnd, message, wParam, lParam);
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case WM_CHAR:
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//
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// wParam is a character of the result string.
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//
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switch ((WCHAR)wParam)
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{
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case 0x08:
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case 0x0a:
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return 0;
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default:
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break;
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}
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ptic = GetThis(hwnd);
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if (ptic)
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{
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WCHAR wc[2];
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wc[0] = (WCHAR)wParam;
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wc[1] = L'\0';
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ptic->_editor.InsertAtSelection(wc);
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InvalidateRect(hwnd, NULL, TRUE);
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}
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break;
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case WM_TIMER:
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if (wParam == TIMERID_CARET)
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{
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ptic = GetThis(hwnd);
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if (ptic)
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{
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HDC hdc = GetDC(hwnd);
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ptic->_editor.BlinkCaret(hdc);
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ReleaseDC(hwnd, hdc);
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}
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}
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break;
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default:
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return DefWindowProc(hwnd, message, wParam, lParam);
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}
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return 0;
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnPaint(HDC hdc)
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{
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_editor.Render(hdc, &_lfCurrentFont);
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnKeyDown(WPARAM wParam, LPARAM lParam)
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{
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UINT nSelStart;
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UINT nSelEnd;
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switch (0xff & wParam)
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{
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case VK_LEFT:
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if (GetKeyState(VK_SHIFT) & 0x80)
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{
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nSelStart = _editor.GetSelectionStart();
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nSelEnd = _editor.GetSelectionEnd();
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if (nSelStart > 0)
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{
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_editor.MoveSelection(nSelStart - 1, nSelEnd);
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}
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}
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else
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{
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_editor.MoveSelectionPrev();
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}
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_RIGHT:
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if (GetKeyState(VK_SHIFT) & 0x80)
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{
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nSelStart = _editor.GetSelectionStart();
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nSelEnd = _editor.GetSelectionEnd();
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_editor.MoveSelection(nSelStart, nSelEnd + 1);
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}
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else
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{
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_editor.MoveSelectionNext();
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}
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_UP:
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_editor.MoveSelectionUpDown(TRUE);
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_DOWN:
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_editor.MoveSelectionUpDown(FALSE);
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_HOME:
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_editor.MoveSelectionToLineFirstEnd(TRUE);
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_END:
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_editor.MoveSelectionToLineFirstEnd(FALSE);
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_DELETE:
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nSelStart = _editor.GetSelectionStart();
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nSelEnd = _editor.GetSelectionEnd();
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if (nSelStart == nSelEnd)
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{
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_editor.DeleteAtSelection(FALSE);
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}
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else
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{
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_editor.DeleteSelection();
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}
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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case VK_BACK:
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nSelStart = _editor.GetSelectionStart();
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nSelEnd = _editor.GetSelectionEnd();
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if (nSelStart == nSelEnd)
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{
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_editor.DeleteAtSelection(TRUE);
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}
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else
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{
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_editor.DeleteSelection();
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}
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InvalidateRect(_hwnd, NULL, TRUE);
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break;
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}
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnCreate(HWND hwnd, WPARAM wParam, LPARAM lParam)
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{
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_editor.SetWnd(hwnd);
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_editor.InitTSF();
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnDestroy()
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{
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_editor.UninitTSF();
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnSetFocus(WPARAM wParam, LPARAM lParam)
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{
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_editor.SetFocusDocumentMgr();
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnLButtonDown(WPARAM wParam, LPARAM lParam)
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{
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POINT pt;
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_uSelDragStart = (UINT)-1;
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pt.x = GET_X_LPARAM(lParam);
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pt.y = GET_Y_LPARAM(lParam);
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if (_editor.MoveSelectionAtPoint(pt))
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{
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InvalidateRect(_hwnd, NULL, TRUE);
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_uSelDragStart = _editor.GetSelectionStart();
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}
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnLButtonUp(WPARAM wParam, LPARAM lParam)
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{
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UINT nSelStart = _editor.GetSelectionStart();
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UINT nSelEnd = _editor.GetSelectionEnd();
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POINT pt;
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pt.x = GET_X_LPARAM(lParam);
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pt.y = GET_Y_LPARAM(lParam);
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if (_editor.MoveSelectionAtPoint(pt))
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{
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UINT nNewSelStart = _editor.GetSelectionStart();
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UINT nNewSelEnd = _editor.GetSelectionEnd();
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_editor.MoveSelection(min(nSelStart, nNewSelStart), max(nSelEnd, nNewSelEnd));
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InvalidateRect(_hwnd, NULL, TRUE);
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}
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::OnMouseMove(WPARAM wParam, LPARAM lParam)
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{
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if (wParam & MK_LBUTTON)
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{
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POINT pt;
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pt.x = GET_X_LPARAM(lParam);
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pt.y = GET_Y_LPARAM(lParam);
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if (_editor.MoveSelectionAtPoint(pt))
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{
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UINT nNewSelStart = _editor.GetSelectionStart();
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UINT nNewSelEnd = _editor.GetSelectionEnd();
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_editor.MoveSelection(min(_uSelDragStart, nNewSelStart), max(_uSelDragStart, nNewSelEnd));
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InvalidateRect(_hwnd, NULL, TRUE);
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}
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}
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}
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//----------------------------------------------------------------
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//
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//
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//
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//----------------------------------------------------------------
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void CTextInputCtrl::SetFont(HWND hwndParent)
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{
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CHOOSEFONT cf;
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LOGFONT lf = _lfCurrentFont;
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cf.lStructSize = sizeof(CHOOSEFONT);
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cf.hwndOwner = hwndParent;
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cf.lpLogFont = &lf;
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cf.Flags = CF_INITTOLOGFONTSTRUCT | CF_SCREENFONTS;
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cf.rgbColors = RGB(0, 0, 0);
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cf.lCustData = 0;
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cf.lpfnHook = NULL;
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cf.lpTemplateName = NULL;
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cf.hInstance = NULL;
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cf.lpszStyle = NULL;
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cf.nFontType = SCREEN_FONTTYPE;
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cf.nSizeMin = 0;
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cf.nSizeMax = 0;
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if (ChooseFont(&cf))
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{
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_lfCurrentFont = lf;
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InvalidateRect(_hwnd, NULL, TRUE);
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}
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}
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