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[MSPAINT] Implement the text tool (#4237)
- Add CFontsDialog and IDD_FONTS. - Rewrite CTextEditWindow. - Implement TOOL_TEXT tool. - Add the font-related settings. CORE-17949
This commit is contained in:
Katayama Hirofumi MZ
GitHub
parent
951e52104a
commit
361a2ce4f7
52 changed files with 1686 additions and 99 deletions
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@ -10,50 +10,502 @@
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#include "precomp.h"
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#define CXY_GRIP 3
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/* FUNCTIONS ********************************************************/
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LRESULT CTextEditWindow::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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CTextEditWindow::CTextEditWindow() : m_hFont(NULL), m_hFontZoomed(NULL), m_nAppIsMovingOrSizing(0)
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{
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/* creating the edit control within the editor window */
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RECT editControlPos = {0, 0, 0 + 100, 0 + 100};
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editControl.Create(_T("EDIT"), m_hWnd, editControlPos, NULL,
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WS_CHILD | WS_VISIBLE | WS_BORDER | WS_HSCROLL | WS_VSCROLL | ES_MULTILINE | ES_NOHIDESEL | ES_AUTOHSCROLL | ES_AUTOVSCROLL,
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WS_EX_CLIENTEDGE);
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SetRectEmpty(&m_rc);
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}
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#define X0 rc.left
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#define X1 ((rc.left + rc.right - CXY_GRIP) / 2)
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#define X2 (rc.right - CXY_GRIP)
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#define Y0 rc.top
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#define Y1 ((rc.top + rc.bottom - CXY_GRIP) / 2)
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#define Y2 (rc.bottom - CXY_GRIP)
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#define RECT0 X0, Y0, X0 + CXY_GRIP, Y0 + CXY_GRIP // Upper Left
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#define RECT1 X1, Y0, X1 + CXY_GRIP, Y0 + CXY_GRIP // Top
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#define RECT2 X2, Y0, X2 + CXY_GRIP, Y0 + CXY_GRIP // Upper Right
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#define RECT3 X0, Y1, X0 + CXY_GRIP, Y1 + CXY_GRIP // Left
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#define RECT4 X2, Y1, X2 + CXY_GRIP, Y1 + CXY_GRIP // Right
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#define RECT5 X0, Y2, X0 + CXY_GRIP, Y2 + CXY_GRIP // Lower Left
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#define RECT6 X1, Y2, X1 + CXY_GRIP, Y2 + CXY_GRIP // Bottom
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#define RECT7 X2, Y2, X2 + CXY_GRIP, Y2 + CXY_GRIP // Lower Right
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INT CTextEditWindow::DoHitTest(RECT& rc, POINT pt)
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{
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RECT rcGrip;
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SetRect(&rcGrip, RECT0);
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if (PtInRect(&rcGrip, pt))
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return HTTOPLEFT;
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SetRect(&rcGrip, RECT1);
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if (PtInRect(&rcGrip, pt))
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return HTTOP;
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SetRect(&rcGrip, RECT2);
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if (PtInRect(&rcGrip, pt))
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return HTTOPRIGHT;
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SetRect(&rcGrip, RECT3);
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if (PtInRect(&rcGrip, pt))
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return HTLEFT;
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SetRect(&rcGrip, RECT4);
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if (PtInRect(&rcGrip, pt))
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return HTRIGHT;
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SetRect(&rcGrip, RECT5);
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if (PtInRect(&rcGrip, pt))
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return HTBOTTOMLEFT;
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SetRect(&rcGrip, RECT6);
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if (PtInRect(&rcGrip, pt))
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return HTBOTTOM;
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SetRect(&rcGrip, RECT7);
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if (PtInRect(&rcGrip, pt))
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return HTBOTTOMRIGHT;
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// On border line?
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RECT rcInner = rc;
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InflateRect(&rcInner, -3, -3);
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if (!PtInRect(&rcInner, pt) && PtInRect(&rc, pt))
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return HTCAPTION;
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return HTCLIENT;
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}
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void CTextEditWindow::DrawGrip(HDC hDC, RECT& rc)
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{
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HGDIOBJ hbrOld = SelectObject(hDC, GetStockObject(NULL_BRUSH));
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HPEN hPen = CreatePen(PS_DOT, 1, GetSysColor(COLOR_HIGHLIGHT));
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HGDIOBJ hPenOld = SelectObject(hDC, hPen);
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InflateRect(&rc, -1, -1);
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Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
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InflateRect(&rc, 1, 1);
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SelectObject(hDC, hPenOld);
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SelectObject(hDC, hbrOld);
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DeleteObject(hPen);
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RECT rcGrip;
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HBRUSH hbrHighlight = GetSysColorBrush(COLOR_HIGHLIGHT);
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SetRect(&rcGrip, RECT0);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT1);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT2);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT3);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT4);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT5);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT6);
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FillRect(hDC, &rcGrip, hbrHighlight);
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SetRect(&rcGrip, RECT7);
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FillRect(hDC, &rcGrip, hbrHighlight);
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}
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void CTextEditWindow::FixEditPos(LPCTSTR pszOldText)
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{
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CString szText;
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GetWindowText(szText);
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RECT rcParent;
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::GetWindowRect(m_hwndParent, &rcParent);
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RECT rc, rcWnd, rcText;
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GetWindowRect(&rcWnd);
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rcText = rcWnd;
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HDC hDC = GetDC();
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if (hDC)
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{
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SelectObject(hDC, m_hFontZoomed);
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TEXTMETRIC tm;
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GetTextMetrics(hDC, &tm);
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szText += TEXT("x"); // This is a trick to enable the last newlines
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const UINT uFormat = DT_LEFT | DT_TOP | DT_EDITCONTROL | DT_NOPREFIX | DT_NOCLIP |
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DT_EXPANDTABS | DT_WORDBREAK;
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DrawText(hDC, szText, -1, &rcText, uFormat | DT_CALCRECT);
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if (tm.tmDescent > 0)
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rcText.bottom += tm.tmDescent;
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ReleaseDC(hDC);
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}
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UnionRect(&rc, &rcText, &rcWnd);
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::MapWindowPoints(NULL, m_hwndParent, (LPPOINT)&rc, 2);
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rcWnd = rc;
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::GetClientRect(m_hwndParent, &rcParent);
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IntersectRect(&rc, &rcParent, &rcWnd);
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++m_nAppIsMovingOrSizing;
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MoveWindow(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, FALSE);
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--m_nAppIsMovingOrSizing;
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DefWindowProc(WM_HSCROLL, SB_LEFT, 0);
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DefWindowProc(WM_VSCROLL, SB_TOP, 0);
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::InvalidateRect(m_hwndParent, &rc, TRUE);
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}
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LRESULT CTextEditWindow::OnChar(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if (wParam == VK_TAB)
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return 0; // FIXME: Tabs
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CString szText;
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GetWindowText(szText);
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LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
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FixEditPos(szText);
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return ret;
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}
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LRESULT CTextEditWindow::OnKeyDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if (wParam == VK_ESCAPE)
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{
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toolsModel.OnCancelDraw();
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return 0;
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}
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CString szText;
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GetWindowText(szText);
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LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
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FixEditPos(szText);
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return ret;
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}
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LRESULT CTextEditWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
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DefWindowProc(WM_HSCROLL, SB_LEFT, 0);
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DefWindowProc(WM_VSCROLL, SB_TOP, 0);
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return ret;
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}
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LRESULT CTextEditWindow::OnEraseBkGnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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HDC hDC = (HDC)wParam;
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if (!toolsModel.IsBackgroundTransparent())
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{
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RECT rc;
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GetClientRect(&rc);
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HBRUSH hbr = CreateSolidBrush(paletteModel.GetBgColor());
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FillRect(hDC, &rc, hbr);
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DeleteObject(hbr);
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}
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SetTextColor(hDC, paletteModel.GetFgColor());
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return TRUE;
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}
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LRESULT CTextEditWindow::OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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RECT rc;
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GetClientRect(&rc);
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DefWindowProc(nMsg, wParam, lParam);
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HDC hDC = GetDC();
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if (hDC)
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{
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DrawGrip(hDC, rc);
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ReleaseDC(hDC);
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}
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return 0;
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}
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LRESULT CTextEditWindow::OnNCPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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RECT rc;
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GetWindowRect(&rc);
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HDC hDC = GetDCEx(NULL, DCX_WINDOW | DCX_PARENTCLIP);
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if (hDC)
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{
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OffsetRect(&rc, -rc.left, -rc.top);
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DrawGrip(hDC, rc);
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ReleaseDC(hDC);
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}
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return 0;
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}
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LRESULT CTextEditWindow::OnNCCalcSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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return 0; // No frame.
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}
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LRESULT CTextEditWindow::OnNCHitTest(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
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RECT rc;
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GetWindowRect(&rc);
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return DoHitTest(rc, pt);
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}
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LRESULT CTextEditWindow::OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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UINT nHitTest = LOWORD(lParam);
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if (nHitTest == HTCAPTION)
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{
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SetCursor(LoadCursor(NULL, IDC_SIZEALL));
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return FALSE;
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}
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return DefWindowProc(nMsg, wParam, lParam);
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}
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LRESULT CTextEditWindow::OnMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
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if (m_nAppIsMovingOrSizing == 0)
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{
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Reposition();
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InvalidateEditRect();
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}
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return ret;
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}
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LRESULT CTextEditWindow::OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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RECT clientRect;
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GetClientRect(&clientRect);
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editControl.MoveWindow(clientRect.left, clientRect.top, RECT_WIDTH(clientRect), RECT_HEIGHT(clientRect), TRUE);
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LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
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RECT rc;
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GetClientRect(&rc);
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SendMessage(EM_SETRECTNP, 0, (LPARAM)&rc);
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SendMessage(EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN, MAKELONG(0, 0));
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if (m_nAppIsMovingOrSizing == 0)
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{
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Reposition();
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InvalidateEditRect();
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}
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return ret;
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}
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// Hack: Use DECLARE_WND_SUPERCLASS instead!
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HWND CTextEditWindow::Create(HWND hwndParent)
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{
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m_hwndParent = hwndParent;
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const DWORD style = ES_LEFT | ES_MULTILINE | ES_WANTRETURN | ES_AUTOVSCROLL |
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WS_CHILD | WS_THICKFRAME;
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m_hWnd = ::CreateWindowEx(0, WC_EDIT, NULL, style, 0, 0, 0, 0,
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hwndParent, NULL, hProgInstance, NULL);
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if (m_hWnd)
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{
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#undef SubclassWindow // Don't use this macro
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SubclassWindow(m_hWnd);
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UpdateFont();
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PostMessage(WM_SIZE, 0, 0);
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}
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return m_hWnd;
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}
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void CTextEditWindow::DoFillBack(HWND hwnd, HDC hDC)
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{
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if (toolsModel.IsBackgroundTransparent())
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return;
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RECT rc;
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SendMessage(EM_GETRECT, 0, (LPARAM)&rc);
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MapWindowPoints(hwnd, (LPPOINT)&rc, 2);
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HBRUSH hbr = CreateSolidBrush(paletteModel.GetBgColor());
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FillRect(hDC, &rc, hbr);
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DeleteObject(hbr);
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}
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LRESULT CTextEditWindow::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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UpdateFont();
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return 0;
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}
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LRESULT CTextEditWindow::OnClose(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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ShowWindow(SW_HIDE);
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if (m_hFont)
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{
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DeleteObject(m_hFont);
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m_hFont = NULL;
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}
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if (m_hFontZoomed)
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{
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DeleteObject(m_hFontZoomed);
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m_hFontZoomed = NULL;
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}
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return 0;
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}
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LRESULT CTextEditWindow::OnCommand(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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void CTextEditWindow::InvalidateEditRect()
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{
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switch(HIWORD(wParam))
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{
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case EN_UPDATE:
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{
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HeapFree(GetProcessHeap(), 0, textToolText);
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textToolTextMaxLen = editControl.GetWindowTextLength() + 1;
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textToolText = (LPTSTR) HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(TCHAR) * textToolTextMaxLen);
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editControl.GetWindowText(textToolText, textToolTextMaxLen);
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ForceRefreshSelectionContents();
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break;
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}
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}
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RECT rc;
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GetWindowRect(&rc);
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::MapWindowPoints(NULL, m_hwndParent, (LPPOINT)&rc, 2);
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::InvalidateRect(m_hwndParent, &rc, TRUE);
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GetClientRect(&rc);
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MapWindowPoints(imageArea, (LPPOINT)&rc, 2);
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rc.left = UnZoomed(rc.left);
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rc.top = UnZoomed(rc.top);
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rc.right = UnZoomed(rc.right);
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rc.bottom = UnZoomed(rc.bottom);
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m_rc = rc;
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}
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LRESULT CTextEditWindow::OnPaletteModelColorChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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UpdateFont();
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return 0;
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}
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LRESULT CTextEditWindow::OnToolsModelSettingsChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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UpdateFont();
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return 0;
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}
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LRESULT CTextEditWindow::OnToolsModelZoomChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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UpdateFont();
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ValidateEditRect(NULL);
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return 0;
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}
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LRESULT CTextEditWindow::OnToolsModelToolChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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ShowWindow((wParam == TOOL_TEXT) ? SW_SHOW : SW_HIDE);
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if (wParam == TOOL_TEXT)
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{
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UpdateFont();
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}
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else
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{
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ShowWindow(SW_HIDE);
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}
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return 0;
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}
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void CTextEditWindow::UpdateFont()
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{
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if (m_hFont)
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{
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DeleteObject(m_hFont);
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m_hFont = NULL;
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}
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if (m_hFontZoomed)
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{
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DeleteObject(m_hFontZoomed);
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m_hFontZoomed = NULL;
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}
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LOGFONT lf;
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ZeroMemory(&lf, sizeof(lf));
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lf.lfCharSet = DEFAULT_CHARSET; // registrySettings.CharSet; // Ignore
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lf.lfWeight = (registrySettings.Bold ? FW_BOLD : FW_NORMAL);
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lf.lfItalic = registrySettings.Italic;
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lf.lfUnderline = registrySettings.Underline;
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lstrcpyn(lf.lfFaceName, registrySettings.strFontName, _countof(lf.lfFaceName));
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HDC hdc = GetDC();
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if (hdc)
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{
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INT nFontSize = registrySettings.PointSize;
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lf.lfHeight = -MulDiv(nFontSize, GetDeviceCaps(hdc, LOGPIXELSY), 72);
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ReleaseDC(hdc);
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}
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m_hFont = ::CreateFontIndirect(&lf);
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lf.lfHeight = Zoomed(lf.lfHeight);
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m_hFontZoomed = ::CreateFontIndirect(&lf);
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SetWindowFont(m_hWnd, m_hFontZoomed, TRUE);
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DefWindowProc(EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN, MAKELONG(0, 0));
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FixEditPos(NULL);
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Invalidate();
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}
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LRESULT CTextEditWindow::OnSetSel(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
|
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LRESULT ret = DefWindowProc(nMsg, wParam, lParam);
|
||||
DefWindowProc(WM_HSCROLL, SB_LEFT, 0);
|
||||
DefWindowProc(WM_VSCROLL, SB_TOP, 0);
|
||||
InvalidateEditRect();
|
||||
return ret;
|
||||
}
|
||||
|
||||
BOOL CTextEditWindow::GetEditRect(LPRECT prc) const
|
||||
{
|
||||
*prc = m_rc;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
void CTextEditWindow::ValidateEditRect(LPCRECT prc OPTIONAL)
|
||||
{
|
||||
if (prc)
|
||||
m_rc = *prc;
|
||||
INT x0 = Zoomed(m_rc.left), y0 = Zoomed(m_rc.top);
|
||||
INT x1 = Zoomed(m_rc.right), y1 = Zoomed(m_rc.bottom);
|
||||
|
||||
++m_nAppIsMovingOrSizing;
|
||||
MoveWindow(x0, y0, x1 - x0, y1 - y0, TRUE);
|
||||
--m_nAppIsMovingOrSizing;
|
||||
}
|
||||
|
||||
void CTextEditWindow::Reposition()
|
||||
{
|
||||
RECT rc, rcImage;
|
||||
GetWindowRect(&rc);
|
||||
|
||||
::MapWindowPoints(NULL, imageArea, (LPPOINT)&rc, 2);
|
||||
imageArea.GetClientRect(&rcImage);
|
||||
|
||||
if (rc.bottom > rcImage.bottom)
|
||||
{
|
||||
rc.top = rcImage.bottom - (rc.bottom - rc.top);
|
||||
rc.bottom = rcImage.bottom;
|
||||
}
|
||||
|
||||
if (rc.right > rcImage.right)
|
||||
{
|
||||
rc.left = rcImage.right - (rc.right - rc.left);
|
||||
rc.right = rcImage.right;
|
||||
}
|
||||
|
||||
if (rc.left < 0)
|
||||
{
|
||||
rc.right += -rc.left;
|
||||
rc.left = 0;
|
||||
}
|
||||
|
||||
if (rc.top < 0)
|
||||
{
|
||||
rc.bottom += -rc.top;
|
||||
rc.top = 0;
|
||||
}
|
||||
|
||||
++m_nAppIsMovingOrSizing;
|
||||
MoveWindow(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, TRUE);
|
||||
--m_nAppIsMovingOrSizing;
|
||||
}
|
||||
|
||||
LRESULT CTextEditWindow::OnMouseWheel(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
|
||||
{
|
||||
return ::SendMessage(GetParent(), nMsg, wParam, lParam);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue