X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cd916794f0569dae37121d8eea77464e12e8e0f4..c7074d44198d548dd19e7906b697d019b3c01770:/src/common/textcmn.cpp diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp index c7bb1f7f46..6f53679d6b 100644 --- a/src/common/textcmn.cpp +++ b/src/common/textcmn.cpp @@ -1,22 +1,18 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: common/textcmn.cpp +// Name: src/common/textcmn.cpp // Purpose: implementation of platform-independent functions of wxTextCtrl // Author: Julian Smart // 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__ - #pragma implementation "textctrlbase.h" -#endif - // for compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -24,12 +20,17 @@ #pragma hdrstop #endif +#ifndef WX_PRECOMP + #include "wx/event.h" +#endif // WX_PRECOMP + #if wxUSE_TEXTCTRL +#include "wx/textctrl.h" + #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" - #include "wx/textctrl.h" #endif // WX_PRECOMP #include "wx/ffile.h" @@ -53,22 +54,38 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER) DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL) DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN) +IMPLEMENT_ABSTRACT_CLASS(wxTextCtrlBase, wxControl) + // ---------------------------------------------------------------------------- -// ctor +// style functions - not implemented here // ---------------------------------------------------------------------------- -wxTextCtrlBase::wxTextCtrlBase() +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; } -wxTextCtrlBase::~wxTextCtrlBase() +void wxTextAttr::Init() { + m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT; + m_flags = 0; + m_leftIndent = 0; + m_leftSubIndent = 0; + m_rightIndent = 0; } -// ---------------------------------------------------------------------------- -// style functions - not implemented here -// ---------------------------------------------------------------------------- - /* static */ wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr, const wxTextAttr& attrDef, @@ -101,15 +118,58 @@ wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr, colBg = text->GetBackgroundColour(); } - return wxTextAttr(colFg, colBg, font); + 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; + 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 @@ -123,7 +183,7 @@ bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr& style) else m_defaultStyle = wxTextAttr::Combine(style, m_defaultStyle, this); - return TRUE; + return true; } // get default text attributes @@ -136,7 +196,7 @@ const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const // file IO functions // ---------------------------------------------------------------------------- -bool wxTextCtrlBase::LoadFile(const wxString& filename) +bool wxTextCtrlBase::DoLoadFile(const wxString& filename, int WXUNUSED(fileType)) { #if wxUSE_FFILE wxFFile file(filename); @@ -151,43 +211,49 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename) m_filename = filename; - return TRUE; + return true; } } wxLogError(_("File couldn't be loaded.")); #endif // wxUSE_FFILE - return FALSE; + return false; } -bool wxTextCtrlBase::SaveFile(const wxString& filename) +bool wxTextCtrlBase::SaveFile(const wxString& filename, int fileType) { - wxString filenameToUse = filename.IsEmpty() ? m_filename : filename; - if ( !filenameToUse ) + wxString filenameToUse = filename.empty() ? m_filename : filename; + 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.")); - return FALSE; + return false; } + return DoSaveFile(filenameToUse, fileType); +} + +bool wxTextCtrlBase::DoSaveFile(const wxString& filename, int WXUNUSED(fileType)) +{ #if wxUSE_FFILE - wxFFile file(filename, "w"); + wxFFile file(filename, _T("w")); if ( file.IsOpened() && file.Write(GetValue()) ) { + // if it worked, save for future calls + m_filename = filename; + // it's not modified any longer DiscardEdits(); - m_filename = filename; - - return TRUE; + return true; } +#endif // wxUSE_FFILE wxLogError(_("The text couldn't be saved.")); -#endif // wxUSE_FFILE - return FALSE; + return false; } // ---------------------------------------------------------------------------- @@ -241,7 +307,7 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c) // streambuf methods implementation // ---------------------------------------------------------------------------- -#ifndef NO_TEXT_WINDOW_STREAM +#if wxHAS_TEXT_WINDOW_STREAM int wxTextCtrlBase::overflow(int c) { @@ -251,7 +317,7 @@ int wxTextCtrlBase::overflow(int c) return 0; } -#endif // NO_TEXT_WINDOW_STREAM +#endif // wxHAS_TEXT_WINDOW_STREAM // ---------------------------------------------------------------------------- // clipboard stuff @@ -281,11 +347,16 @@ bool wxTextCtrlBase::CanPaste() const // 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) { - // the generic version is unused in wxMSW -#ifndef __WIN32__ - wxChar ch; + wxChar ch = 0; int keycode = event.GetKeyCode(); switch ( keycode ) { @@ -299,7 +370,7 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event) case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9: - ch = _T('0') + keycode - WXK_NUMPAD0; + ch = (wxChar)(_T('0') + keycode - WXK_NUMPAD0); break; case WXK_MULTIPLY: @@ -331,9 +402,8 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event) case WXK_NUMPAD_DELETE: // delete the character at cursor { - const long pos = GetInsertionPoint(), - last = GetLastPosition(); - if ( pos < last ) + const long pos = GetInsertionPoint(); + if ( pos < GetLastPosition() ) Remove(pos, pos + 1); } break; @@ -348,6 +418,13 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event) break; default: +#if wxUSE_UNICODE + if ( event.GetUnicodeKey() ) + { + ch = event.GetUnicodeKey(); + } + else +#endif if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) ) { // FIXME this is not going to work for non letters... @@ -368,12 +445,12 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event) { WriteText(ch); - return TRUE; + return true; } -#endif // !__WIN32__ - return FALSE; + return false; } +#endif // !__WIN32__ // ---------------------------------------------------------------------------- // selection and ranges @@ -403,13 +480,74 @@ wxString wxTextCtrlBase::GetRange(long from, long to) const return sel; } +// do the window-specific processing after processing the update event +void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event) +{ + // call inherited, but skip the wxControl's version, and call directly the + // wxWindow's one instead, because the only reason why we are overriding this + // function is that we want to use SetValue() instead of wxControl::SetLabel() + wxWindowBase::DoUpdateWindowUI(event); + + // update text + 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; +} + +// ---------------------------------------------------------------------------- +// events +// ---------------------------------------------------------------------------- + +void wxTextCtrlBase::SendTextUpdatedEvent() +{ + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); + + // do not do this as it could be very inefficient if the text control + // contains a lot of text and we're not using ref-counted wxString + // implementation -- instead, event.GetString() will query the control for + // its current text if needed + //event.SetString(GetValue()); + + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); +} + #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 -