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Implemented wxTextCtrl::GetStyle for MSW

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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
This commit is contained in:
Julian Smart
2003-06-23 13:14:42 +00:00
parent 6b7993a952
commit 80185c6ceb
2 changed files with 184 additions and 3 deletions
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56
samples/text/text.cpp
View File

@@ -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;
}
}

131
src/msw/textctrl.cpp
View File

@@ -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