From 80185c6cebe8bcd8271aa282de680ba91f1e7c22 Mon Sep 17 00:00:00 2001 From: Julian Smart Date: Mon, 23 Jun 2003 13:14:42 +0000 Subject: [PATCH] Implemented wxTextCtrl::GetStyle for MSW Added status bar showing major style attributes at cursor in text sample git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21315 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- samples/text/text.cpp | 56 ++++++++++++++++++ src/msw/textctrl.cpp | 131 +++++++++++++++++++++++++++++++++++++++++- 2 files changed, 184 insertions(+), 3 deletions(-) diff --git a/samples/text/text.cpp b/samples/text/text.cpp index 7ddeaa8423..6c8c47677a 100644 --- a/samples/text/text.cpp +++ b/samples/text/text.cpp @@ -276,6 +276,7 @@ public: // Event handlers void OnClose(wxCommandEvent& event); + void OnIdle(wxIdleEvent& event); void OnLeftAlign(wxCommandEvent& event); void OnRightAlign(wxCommandEvent& event); void OnJustify(wxCommandEvent& event); @@ -288,6 +289,7 @@ public: private: wxTextCtrl *m_textCtrl; + long m_currentPosition; DECLARE_EVENT_TABLE() }; @@ -1311,6 +1313,7 @@ enum }; BEGIN_EVENT_TABLE(RichTextFrame, wxFrame) + EVT_IDLE(RichTextFrame::OnIdle) EVT_MENU(RICHTEXT_CLOSE, RichTextFrame::OnClose) EVT_MENU(RICHTEXT_LEFT_ALIGN, RichTextFrame::OnLeftAlign) EVT_MENU(RICHTEXT_RIGHT_ALIGN, RichTextFrame::OnRightAlign) @@ -1326,6 +1329,7 @@ END_EVENT_TABLE() RichTextFrame::RichTextFrame(wxWindow* parent, const wxString& title): wxFrame(parent, -1, title, wxDefaultPosition, wxSize(300, 400)) { + m_currentPosition = -1; m_textCtrl = new wxTextCtrl(this, -1, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE|wxTE_RICH2); @@ -1362,6 +1366,7 @@ RichTextFrame::RichTextFrame(wxWindow* parent, const wxString& title): menuBar->Append(editMenu, _("Edit")); SetMenuBar(menuBar); + CreateStatusBar(); } // Event handlers @@ -1379,6 +1384,8 @@ void RichTextFrame::OnLeftAlign(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } void RichTextFrame::OnRightAlign(wxCommandEvent& event) @@ -1389,6 +1396,8 @@ void RichTextFrame::OnRightAlign(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } void RichTextFrame::OnJustify(wxCommandEvent& event) @@ -1399,6 +1408,8 @@ void RichTextFrame::OnJustify(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } void RichTextFrame::OnCentre(wxCommandEvent& event) @@ -1409,6 +1420,8 @@ void RichTextFrame::OnCentre(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } void RichTextFrame::OnChangeFont(wxCommandEvent& event) @@ -1428,6 +1441,8 @@ void RichTextFrame::OnChangeFont(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } } @@ -1455,6 +1470,8 @@ void RichTextFrame::OnChangeTextColour(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } } @@ -1482,6 +1499,8 @@ void RichTextFrame::OnChangeBackgroundColour(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } } @@ -1499,6 +1518,8 @@ void RichTextFrame::OnLeftIndent(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; } } @@ -1516,5 +1537,40 @@ void RichTextFrame::OnRightIndent(wxCommandEvent& event) long start, end; m_textCtrl->GetSelection(& start, & end); m_textCtrl->SetStyle(start, end, attr); + + m_currentPosition = -1; + } +} + +void RichTextFrame::OnIdle(wxIdleEvent& event) +{ + long insertionPoint = m_textCtrl->GetInsertionPoint(); + if (insertionPoint != m_currentPosition) + { + wxTextAttr attr; + if (m_textCtrl->GetStyle(insertionPoint, attr)) + { + wxString msg; + wxString facename(wxT("unknown")); + if (attr.GetFont().Ok()) + { + facename = attr.GetFont().GetFaceName(); + } + wxString alignment(wxT("unknown alignment")); + if (attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE) + alignment = wxT("centred"); + else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT) + alignment = wxT("right-aligned"); + else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_LEFT) + alignment = wxT("left-aligned"); + else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED) + alignment = wxT("justified"); + msg.Printf(wxT("Facename: %s, wxColour(%d, %d, %d), %s"), + (const wxChar*) facename, + attr.GetTextColour().Red(), attr.GetTextColour().Green(), attr.GetTextColour().Blue(), + (const wxChar*) alignment); + SetStatusText(msg); + } + m_currentPosition = insertionPoint; } } diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index bb243fb4da..e6e9e3fae8 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -2093,10 +2093,135 @@ bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style) return TRUE; } -bool wxTextCtrl::GetStyle(long WXUNUSED(position), wxTextAttr& WXUNUSED(style)) +bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) { - // TODO - return FALSE; + if ( !IsRich() ) + { + // can't do it with normal text control + return FALSE; + } + + // initialize CHARFORMAT struct +#if wxUSE_RICHEDIT2 + CHARFORMAT2 cf; +#else + CHARFORMAT cf; +#endif + + wxZeroMemory(cf); + + // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple + // CHARFORMAT in that case +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit == 1 ) + { + // this is the only thing the control is going to grok + cf.cbSize = sizeof(CHARFORMAT); + } + else +#endif + { + // CHARFORMAT or CHARFORMAT2 + cf.cbSize = sizeof(cf); + } + // we can only change the format of the selection, so select the range we + // want and restore the old selection later + long startOld, endOld; + GetSelection(&startOld, &endOld); + + // but do we really have to change the selection? + bool changeSel = position != startOld || position != endOld; + + if ( changeSel ) + { + DoSetSelection(position, position, FALSE /* don't scroll caret into view */); + } + + // get the selection formatting + (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT, + SCF_SELECTION, (LPARAM)&cf) ; + + LOGFONT lf; + lf.lfHeight = cf.yHeight; + lf.lfWidth = 0; + lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset? + lf.lfClipPrecision = 0; + lf.lfEscapement = 0; + wxStrcpy(lf.lfFaceName, cf.szFaceName); + if (cf.dwEffects & CFE_ITALIC) + lf.lfItalic = TRUE; + lf.lfOrientation = 0; + lf.lfPitchAndFamily = cf.bPitchAndFamily; + lf.lfQuality = 0; + if (cf.dwEffects & CFE_STRIKEOUT) + lf.lfStrikeOut = TRUE; + if (cf.dwEffects & CFE_UNDERLINE) + lf.lfUnderline = TRUE; + if (cf.dwEffects & CFE_BOLD) + lf.lfWeight = FW_BOLD; + + wxFont font = wxCreateFontFromLogFont(& lf); + if (font.Ok()) + { + style.SetFont(font); + } + style.SetTextColour(wxColour(cf.crTextColor)); + +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit != 1 ) + { + // cf.dwMask |= CFM_BACKCOLOR; + style.SetBackgroundColour(wxColour(cf.crBackColor)); + } +#endif // wxUSE_RICHEDIT2 + + // now get the paragraph formatting + PARAFORMAT2 pf; + wxZeroMemory(pf); + // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple + // PARAFORMAT in that case +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit == 1 ) + { + // this is the only thing the control is going to grok + pf.cbSize = sizeof(PARAFORMAT); + } + else +#endif + { + // PARAFORMAT or PARAFORMAT2 + pf.cbSize = sizeof(pf); + } + + // do format the selection + (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ; + + style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0) ); + style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) ); + + if (pf.wAlignment == PFA_CENTER) + style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE); + else if (pf.wAlignment == PFA_RIGHT) + style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT); + else if (pf.wAlignment == PFA_JUSTIFY) + style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED); + else + style.SetAlignment(wxTEXT_ALIGNMENT_LEFT); + + wxArrayInt tabStops; + size_t i; + for (i = 0; i < (size_t) pf.cTabCount; i++) + { + tabStops[i] = (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ; + } + + if ( changeSel ) + { + // restore the original selection + DoSetSelection(startOld, endOld, FALSE); + } + + return TRUE; } #endif -- 2.49.0