virtual void WriteText(const wxString& text);
virtual void AppendText(const wxString& text);
+#if wxUSE_RICHEDIT
+ // apply text attribute to the range of text (only works with richedit
+ // controls)
+ virtual bool SetStyle(long start, long end, const wxTextAttr& style);
+#endif // wxUSE_RICHEDIT
+
// translate between the position (which is just an index in the text ctrl
// considering all its contents as a single strings) and (x, y) coordinates
// which represent column and line.
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
#pragma interface "textctrlbase.h"
-#endif
+#endif
#include "wx/defs.h"
#include "wx/control.h" // the base class
WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
+// ----------------------------------------------------------------------------
+// wxTextAttr: a structure containing the visual attributes of a text
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxTextAttr
+{
+public:
+ // ctors
+ wxTextAttr() { }
+ wxTextAttr(const wxColour& colText,
+ const wxColour& colBack = wxNullColour,
+ const wxFont& font = wxNullFont)
+ : m_colText(colText), m_colBack(colBack), m_font(font) { }
+
+ // setters
+ void SetTextColour(const wxColour& colText) { m_colText = colText; }
+ void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
+ void SetFont(const wxFont& font) { m_font = font; }
+
+ // accessors
+ bool HasTextColour() const { return m_colText.Ok(); }
+ bool HasBackgroundColour() const { return m_colBack.Ok(); }
+ bool HasFont() const { return m_font.Ok(); }
+
+ const wxColour& GetTextColour() const { return m_colText; }
+ const wxColour& GetBackgroundColour() const { return m_colBack; }
+ const wxFont& GetFont() const { return m_font; }
+
+private:
+ wxColour m_colText,
+ m_colBack;
+ wxFont m_font;
+};
+
// ----------------------------------------------------------------------------
// wxTextCtrl: a single or multiple line text zone where user can enter and
// edit text
virtual void WriteText(const wxString& text) = 0;
virtual void AppendText(const wxString& text) = 0;
+ // text control under some platforms supports the text styles: these
+ // methods allow to apply the given text style to the given selection or to
+ // set/get the style which will be used for all appended text
+ virtual bool SetStyle(long start, long end, const wxTextAttr& style);
+ virtual bool SetDefaultStyle(const wxTextAttr& style);
+ virtual const wxTextAttr& GetDefaultStyle() const;
+
// translate between the position (which is just an index in the text ctrl
// considering all its contents as a single strings) and (x, y) coordinates
// which represent column and line.
// SaveFile() by default
wxString m_filename;
+ // the text style which will be used for any new text added to the control
+ wxTextAttr m_defaultStyle;
+
private:
#ifndef NO_TEXT_WINDOW_STREAM
#if !wxUSE_IOSTREAMH
wxMenu *fileMenu = new wxMenu;
fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample");
- // not supported just yet
-#ifndef __WXUNIVERSAL__
wxMenuItem *itemBitmap = new wxMenuItem(fileMenu, Menu_File_Quit,
"Quit with &bitmap\tAlt-Q");
itemBitmap->SetBitmap(wxBitmap(copy_xpm));
fileMenu->Append(itemBitmap);
-#endif // __WXUNIVERSAL__
wxMenu *menubarMenu = new wxMenu;
menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
"wxHSCROLL style",
wxPoint(450, 10), wxSize(200, 230),
wxTE_RICH | wxTE_MULTILINE | wxHSCROLL);
+#ifdef __WXMSW__
+ m_textrich->SetStyle(0, 10, *wxRED);
+ m_textrich->SetStyle(10, 20, *wxBLUE);
+ m_textrich->SetStyle(30, 40,
+ wxTextAttr(*wxGREEN, wxNullColour, *wxITALIC_FONT));
+ m_textrich->SetDefaultStyle(*wxBLUE);
+ m_textrich->AppendText(_T("\nIs this text really in blue?"));
+#else
m_textrich->SetForegroundColour(wxColour(0, 255, 255));
m_textrich->SetBackgroundColour(*wxBLUE);
+#endif
}
void MyPanel::OnSize( wxSizeEvent &event )
#endif
}
+// ----------------------------------------------------------------------------
+// style functions - not implemented here
+// ----------------------------------------------------------------------------
+
+// apply styling to text range
+bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
+ const wxTextAttr& WXUNUSED(style))
+{
+ // to be implemented in derived TextCtrl classes
+ return FALSE;
+}
+
+// change default text attributes
+bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr &style)
+{
+ m_defaultStyle = style;
+ return TRUE;
+}
+
+// get default text attributes
+const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const
+{
+ return m_defaultStyle;
+}
+
// ----------------------------------------------------------------------------
// file IO functions
// ----------------------------------------------------------------------------
#endif // __WIN32__
// if we're already attached to the menubar, we must update it
- if ( IsAttached() )
+ if ( IsAttached() && m_menuBar->IsAttached() )
{
m_menuBar->Refresh();
}
wxLogLastError(wxT("RemoveMenu"));
}
- if ( IsAttached() )
+ if ( IsAttached() && m_menuBar->IsAttached() )
{
// otherwise, the chane won't be visible
m_menuBar->Refresh();
#endif
END_EVENT_TABLE()
-
// ============================================================================
// implementation
// ============================================================================
{
wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+#if wxUSE_RICHEDIT
+ // ensure that the new text will be in the default style
+ if ( IsRich() &&
+ (m_defaultStyle.HasFont() || m_defaultStyle.HasTextColour()) )
+ {
+ long start, end;
+ GetSelection(&start, &end);
+ SetStyle(start, end, m_defaultStyle );
+ }
+#endif // wxUSE_RICHEDIT
+
SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
AdjustSpaceLimit();
*from = charRange.cpMin;
*to = charRange.cpMax;
-
- return;
}
-#endif
- DWORD dwStart, dwEnd;
- WPARAM wParam = (WPARAM) (DWORD*) & dwStart; // receives starting position
- LPARAM lParam = (LPARAM) (DWORD*) & dwEnd; // receives ending position
+ else
+#endif // rich/!rich
+ {
+ DWORD dwStart, dwEnd;
+ WPARAM wParam = (WPARAM) &dwStart; // receives starting position
+ LPARAM lParam = (LPARAM) &dwEnd; // receives ending position
- ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
+ ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
- *from = dwStart;
- *to = dwEnd;
+ *from = dwStart;
+ *to = dwEnd;
+ }
}
bool wxTextCtrl::IsEditable() const
event.Enable( CanRedo() );
}
+// the rest of the file only deals with the rich edit controls
+#if wxUSE_RICHEDIT
+
// ----------------------------------------------------------------------------
// colour setting for the rich edit controls
// ----------------------------------------------------------------------------
-#if wxUSE_RICHEDIT
-
// Watcom C++ doesn't define this
#ifndef SCF_ALL
#define SCF_ALL 0x0004
return TRUE;
}
-#endif // wxUSE_RICHEDIT
+// ----------------------------------------------------------------------------
+// styling support for rich edit controls
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
+{
+ if ( !IsRich() )
+ {
+ // can't do it with normal text control
+ return FALSE;
+ }
+
+ // the rich text control doesn't handle setting background colour, so don't
+ // even try if it's the only thing we want to change
+ if ( !style.HasFont() && !style.HasTextColour() )
+ {
+ // nothing to do: return TRUE if there was really nothing to doand
+ // FALSE fi we failed to set bg colour
+ return !style.HasBackgroundColour();
+ }
+
+ // order the range if needed
+ if ( start > end )
+ {
+ long tmp = start;
+ start = end;
+ end = tmp;
+ }
+
+ // 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 = start != startOld || end != endOld;
+
+ if ( changeSel )
+ SendMessage(GetHwnd(), EM_SETSEL, (WPARAM) start, (LPARAM) end);
+
+ // initialize CHARFORMAT struct
+ CHARFORMAT cf;
+ wxZeroMemory(cf);
+ cf.cbSize = sizeof(cf);
+
+ if ( style.HasFont() )
+ {
+ cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET;
+
+ // fill in data from LOGFONT but recalculate lfHeight because we need
+ // the real height in twips and not the negative number which
+ // wxFillLogFont() returns (this is correct in general and works with
+ // the Windows font mapper, but not here)
+ LOGFONT lf;
+ wxFillLogFont(&lf, &style.GetFont());
+ cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
+ cf.bCharSet = lf.lfCharSet;
+ cf.bPitchAndFamily = lf.lfPitchAndFamily;
+ wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) );
+
+ // also deal with underline/italic/bold attributes
+ if ( lf.lfItalic )
+ {
+ cf.dwMask |= CFM_ITALIC;
+ cf.dwEffects |= CFE_ITALIC;
+ }
+
+ if ( lf.lfWeight == FW_BOLD )
+ {
+ cf.dwMask |= CFM_BOLD;
+ cf.dwEffects |= CFE_BOLD;
+ }
+
+ if ( lf.lfUnderline )
+ {
+ cf.dwMask |= CFM_UNDERLINE;
+ cf.dwEffects |= CFE_UNDERLINE;
+ }
+
+ // strikeout fonts are not supported by wxWindows
+ }
+
+ if ( style.HasTextColour() )
+ {
+ cf.dwMask |= CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(style.GetTextColour());
+ }
+
+ // do format the selection
+ bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
+ SCF_SELECTION, (LPARAM)&cf) != 0;
+ if ( !ok )
+ {
+ wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
+ }
+
+ if ( changeSel )
+ {
+ // restore the original selection
+ SendMessage(GetHwnd(), EM_SETSEL, (WPARAM)startOld, (LPARAM)endOld);
+ }
+
+ return ok;
+}
// ----------------------------------------------------------------------------
// wxRichEditModule
// ----------------------------------------------------------------------------
-#if wxUSE_RICHEDIT
-
bool wxRichEditModule::OnInit()
{
// don't do anything - we will load it when needed
projects / wxWidgets.git / commitdiff
