X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fa40e7a17559c9328be4e0202c9c87dc7adb562e..3ca1bf5add01419ba173f0567b060fdd9fd605f9:/src/common/textcmn.cpp diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp index 0ce243a141..1b2b1f1532 100644 --- a/src/common/textcmn.cpp +++ b/src/common/textcmn.cpp @@ -5,17 +5,18 @@ // Modified by: // Created: 13.07.99 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team -// Licence: wxWindows license +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ // declarations // ============================================================================ -#ifdef __GNUG__ + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "textctrlbase.h" #endif - + // for compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -23,6 +24,8 @@ #pragma hdrstop #endif +#if wxUSE_TEXTCTRL + #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" @@ -43,30 +46,159 @@ // implementation // ============================================================================ +IMPLEMENT_DYNAMIC_CLASS(wxTextUrlEvent, wxCommandEvent) + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN) + // ---------------------------------------------------------------------------- // ctor // ---------------------------------------------------------------------------- wxTextCtrlBase::wxTextCtrlBase() { -#ifndef NO_TEXT_WINDOW_STREAM - #if wxUSE_IOSTREAMH - if (allocate()) - setp(base(),ebuf()); - #else - m_streambuf=new char[64]; - setp(m_streambuf,m_streambuf+64); - #endif //wxUSE_IOSTREAMH -#endif // NO_TEXT_WINDOW_STREAM } wxTextCtrlBase::~wxTextCtrlBase() { -#ifndef NO_TEXT_WINDOW_STREAM -#if !wxUSE_IOSTREAMH - delete m_streambuf; -#endif -#endif +} + +// ---------------------------------------------------------------------------- +// style functions - not implemented here +// ---------------------------------------------------------------------------- + +wxTextAttr::wxTextAttr(const wxColour& colText, + const wxColour& colBack, + const wxFont& font, + wxTextAttrAlignment alignment) + : m_colText(colText), m_colBack(colBack), m_font(font), m_textAlignment(alignment) +{ + m_flags = 0; + m_leftIndent = 0; + m_leftSubIndent = 0; + m_rightIndent = 0; + if (m_colText.Ok()) m_flags |= wxTEXT_ATTR_TEXT_COLOUR; + if (m_colBack.Ok()) m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR; + if (m_font.Ok()) m_flags |= wxTEXT_ATTR_FONT; + if (alignment != wxTEXT_ALIGNMENT_DEFAULT) + m_flags |= wxTEXT_ATTR_ALIGNMENT; +} + +void wxTextAttr::Init() +{ + m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT; + m_flags = 0; + m_leftIndent = 0; + m_leftSubIndent = 0; + m_rightIndent = 0; +} + +/* static */ +wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr, + const wxTextAttr& attrDef, + const wxTextCtrlBase *text) +{ + wxFont font = attr.GetFont(); + if ( !font.Ok() ) + { + font = attrDef.GetFont(); + + if ( text && !font.Ok() ) + font = text->GetFont(); + } + + wxColour colFg = attr.GetTextColour(); + if ( !colFg.Ok() ) + { + colFg = attrDef.GetTextColour(); + + if ( text && !colFg.Ok() ) + colFg = text->GetForegroundColour(); + } + + wxColour colBg = attr.GetBackgroundColour(); + if ( !colBg.Ok() ) + { + colBg = attrDef.GetBackgroundColour(); + + if ( text && !colBg.Ok() ) + colBg = text->GetBackgroundColour(); + } + + wxTextAttr newAttr(colFg, colBg, font); + + if (attr.HasAlignment()) + newAttr.SetAlignment(attr.GetAlignment()); + else if (attrDef.HasAlignment()) + newAttr.SetAlignment(attrDef.GetAlignment()); + + if (attr.HasTabs()) + newAttr.SetTabs(attr.GetTabs()); + else if (attrDef.HasTabs()) + newAttr.SetTabs(attrDef.GetTabs()); + + if (attr.HasLeftIndent()) + newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent()); + else if (attrDef.HasLeftIndent()) + newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent()); + + if (attr.HasRightIndent()) + newAttr.SetRightIndent(attr.GetRightIndent()); + else if (attrDef.HasRightIndent()) + newAttr.SetRightIndent(attrDef.GetRightIndent()); + + return newAttr; +} + +void wxTextAttr::operator= (const wxTextAttr& attr) +{ + m_font = attr.m_font; + m_colText = attr.m_colText; + m_colBack = attr.m_colBack; + m_textAlignment = attr.m_textAlignment; + m_leftIndent = attr.m_leftIndent; + m_leftSubIndent = attr.m_leftSubIndent; + m_rightIndent = attr.m_rightIndent; + m_tabs = attr.m_tabs; + m_flags = attr.m_flags; +} + + +// 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; +} + +// get the styling at the given position +bool wxTextCtrlBase::GetStyle(long WXUNUSED(position), wxTextAttr& WXUNUSED(style)) +{ + // to be implemented in derived TextCtrl classes + return FALSE; +} + +// change default text attributes +bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr& style) +{ + // keep the old attributes if the new style doesn't specify them unless the + // new style is empty - then reset m_defaultStyle (as there is no other way + // to do it) + if ( style.IsDefault() ) + m_defaultStyle = style; + else + m_defaultStyle = wxTextAttr::Combine(style, m_defaultStyle, this); + + return TRUE; +} + +// get default text attributes +const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const +{ + return m_defaultStyle; } // ---------------------------------------------------------------------------- @@ -75,6 +207,7 @@ wxTextCtrlBase::~wxTextCtrlBase() bool wxTextCtrlBase::LoadFile(const wxString& filename) { +#if wxUSE_FFILE wxFFile file(filename); if ( file.IsOpened() ) { @@ -92,6 +225,7 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename) } wxLogError(_("File couldn't be loaded.")); +#endif // wxUSE_FFILE return FALSE; } @@ -99,7 +233,7 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename) bool wxTextCtrlBase::SaveFile(const wxString& filename) { wxString filenameToUse = filename.IsEmpty() ? m_filename : filename; - if ( !filenameToUse ) + if ( filenameToUse.empty() ) { // what kind of message to give? is it an error or a program bug? wxLogDebug(wxT("Can't save textctrl to file without filename.")); @@ -107,16 +241,19 @@ bool wxTextCtrlBase::SaveFile(const wxString& filename) return FALSE; } - wxFFile file(filename, "w"); +#if wxUSE_FFILE + wxFFile file(filenameToUse, _T("w")); if ( file.IsOpened() && file.Write(GetValue()) ) { // it's not modified any longer DiscardEdits(); - m_filename = filename; + // if it worked, save for future calls + m_filename = filenameToUse; return TRUE; } +#endif // wxUSE_FFILE wxLogError(_("The text couldn't be saved.")); @@ -176,34 +313,220 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c) #ifndef NO_TEXT_WINDOW_STREAM -int wxTextCtrlBase::overflow( int WXUNUSED(c) ) +int wxTextCtrlBase::overflow(int c) +{ + AppendText((wxChar)c); + + // return something different from EOF + return 0; +} + +#endif // NO_TEXT_WINDOW_STREAM + +// ---------------------------------------------------------------------------- +// clipboard stuff +// ---------------------------------------------------------------------------- + +bool wxTextCtrlBase::CanCopy() const { - int len = pptr() - pbase(); - char *txt = new char[len+1]; - strncpy(txt, pbase(), len); - txt[len] = '\0'; - (*this) << txt; - setp(pbase(), epptr()); - delete[] txt; - return EOF; + // can copy if there's a selection + long from, to; + GetSelection(&from, &to); + return from != to; } -int wxTextCtrlBase::sync() +bool wxTextCtrlBase::CanCut() const { - int len = pptr() - pbase(); - char *txt = new char[len+1]; - strncpy(txt, pbase(), len); - txt[len] = '\0'; - (*this) << txt; - setp(pbase(), epptr()); - delete[] txt; - return 0; + // can cut if there's a selection and if we're not read only + return CanCopy() && IsEditable(); } -int wxTextCtrlBase::underflow() +bool wxTextCtrlBase::CanPaste() const { - return EOF; + // can paste if we are not read only + return IsEditable(); } -#endif // NO_TEXT_WINDOW_STREAM +// ---------------------------------------------------------------------------- +// emulating key presses +// ---------------------------------------------------------------------------- + +#ifdef __WIN32__ +// the generic version is unused in wxMSW +bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& WXUNUSED(event)) +{ + return FALSE; +} +#else // !__WIN32__ +bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event) +{ + wxChar ch = 0; + int keycode = event.GetKeyCode(); + switch ( keycode ) + { + case WXK_NUMPAD0: + case WXK_NUMPAD1: + case WXK_NUMPAD2: + case WXK_NUMPAD3: + case WXK_NUMPAD4: + case WXK_NUMPAD5: + case WXK_NUMPAD6: + case WXK_NUMPAD7: + case WXK_NUMPAD8: + case WXK_NUMPAD9: + ch = _T('0') + keycode - WXK_NUMPAD0; + break; + + case WXK_MULTIPLY: + case WXK_NUMPAD_MULTIPLY: + ch = _T('*'); + break; + + case WXK_ADD: + case WXK_NUMPAD_ADD: + ch = _T('+'); + break; + + case WXK_SUBTRACT: + case WXK_NUMPAD_SUBTRACT: + ch = _T('-'); + break; + + case WXK_DECIMAL: + case WXK_NUMPAD_DECIMAL: + ch = _T('.'); + break; + + case WXK_DIVIDE: + case WXK_NUMPAD_DIVIDE: + ch = _T('/'); + break; + + case WXK_DELETE: + case WXK_NUMPAD_DELETE: + // delete the character at cursor + { + const long pos = GetInsertionPoint(), + last = GetLastPosition(); + if ( pos < last ) + Remove(pos, pos + 1); + } + break; + + case WXK_BACK: + // delete the character before the cursor + { + const long pos = GetInsertionPoint(); + if ( pos > 0 ) + Remove(pos - 1, pos); + } + break; + + default: + if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) ) + { + // FIXME this is not going to work for non letters... + if ( !event.ShiftDown() ) + { + keycode = wxTolower(keycode); + } + + ch = (wxChar)keycode; + } + else + { + ch = _T('\0'); + } + } + + if ( ch ) + { + WriteText(ch); + + return TRUE; + } + + return FALSE; +} +#endif // !__WIN32__ + +// ---------------------------------------------------------------------------- +// selection and ranges +// ---------------------------------------------------------------------------- + +void wxTextCtrlBase::SelectAll() +{ + SetSelection(0, GetLastPosition()); +} + +wxString wxTextCtrlBase::GetStringSelection() const +{ + long from, to; + GetSelection(&from, &to); + + return GetRange(from, to); +} + +wxString wxTextCtrlBase::GetRange(long from, long to) const +{ + wxString sel; + if ( from < to ) + { + sel = GetValue().Mid(from, to - from); + } + + return sel; +} + +// do the window-specific processing after processing the update event +void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event) +{ + if ( event.GetSetEnabled() ) + Enable(event.GetEnabled()); + + if ( event.GetSetText() ) + { + if ( event.GetText() != GetValue() ) + SetValue(event.GetText()); + } +} + +// ---------------------------------------------------------------------------- +// hit testing +// ---------------------------------------------------------------------------- + +wxTextCtrlHitTestResult +wxTextCtrlBase::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const +{ + // implement in terms of the other overload as the native ports typically + // can get the position and not (x, y) pair directly (although wxUniv + // directly gets x and y -- and so overrides this method as well) + long pos; + wxTextCtrlHitTestResult rc = HitTest(pt, &pos); + + if ( rc != wxTE_HT_UNKNOWN ) + { + PositionToXY(pos, x, y); + } + + return rc; +} + +wxTextCtrlHitTestResult +wxTextCtrlBase::HitTest(const wxPoint& WXUNUSED(pt), + long * WXUNUSED(pos)) const +{ + // not implemented + return wxTE_HT_UNKNOWN; +} + +#else // !wxUSE_TEXTCTRL + +// define this one even if !wxUSE_TEXTCTRL because it is also used by other +// controls (wxComboBox and wxSpinCtrl) +#include "wx/event.h" + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED) + +#endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL