X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/012a03e09227258b4ac66745feea617605d7c088..8b3fddc49326c0b6019cd7082218726aa17a5727:/src/gtk/textctrl.cpp diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index e5c9c881a2..1c63ae186e 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -14,11 +14,14 @@ #include "wx/textctrl.h" #include "wx/utils.h" #include "wx/intl.h" +#include "wx/log.h" #include "wx/settings.h" +#include "wx/panel.h" #include #include #include +#include // for fabs #include "gdk/gdk.h" #include "gtk/gtk.h" @@ -35,25 +38,92 @@ extern bool g_isIdle; // data //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnDrag; +extern wxCursor g_globalCursor; + +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- + +static void wxGtkTextInsert(GtkWidget *text, + const wxTextAttr& attr, + const char *txt, + size_t len) +{ + GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont() + : NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); +} + +// ---------------------------------------------------------------------------- +// "insert_text" for GtkEntry +// ---------------------------------------------------------------------------- + +static void +gtk_insert_text_callback(GtkEditable *editable, + const gchar *new_text, + gint new_text_length, + gint *position, + wxTextCtrl *win) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + // we should only be called if we have a max len limit at all + GtkEntry *entry = GTK_ENTRY (editable); + + wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") ); + + // check that we don't overflow the max length limit + // + // FIXME: this doesn't work when we paste a string which is going to be + // truncated + if ( entry->text_length == entry->text_max_length ) + { + // we don't need to run the base class version at all + gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text"); + + // remember that the next changed signal is to be ignored to avoid + // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event + win->IgnoreNextTextUpdate(); + + // and generate the correct one ourselves + wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId()); + event.SetEventObject(win); + event.SetString(win->GetValue()); + win->GetEventHandler()->ProcessEvent( event ); + } +} //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- static void -gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) { + if ( win->IgnoreTextUpdate() ) + return; + if (!win->m_hasVMT) return; - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); win->SetModified(); + win->UpdateFontIfNeeded(); wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); - event.SetString( win->GetValue() ); event.SetEventObject( win ); + event.SetString( win->GetValue() ); win->GetEventHandler()->ProcessEvent( event ); } @@ -65,8 +135,8 @@ static void gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { if (!win->m_hasVMT) return; - - if (g_isIdle) + + if (g_isIdle) wxapp_install_idle_handler(); win->CalculateScrollbar(); @@ -94,59 +164,61 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) END_EVENT_TABLE() -#ifndef NO_TEXT_WINDOW_STREAM -wxTextCtrl::wxTextCtrl() : streambuf() -{ - if (allocate()) setp(base(),ebuf()); - - m_modified = FALSE; -} -#else -wxTextCtrl::wxTextCtrl() +void wxTextCtrl::Init() { + m_ignoreNextUpdate = m_modified = FALSE; + m_updateFont = FALSE; + m_text = + m_vScrollbar = (GtkWidget *)NULL; } -#endif -#ifndef NO_TEXT_WINDOW_STREAM -wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) : streambuf() +wxTextCtrl::wxTextCtrl( wxWindow *parent, + wxWindowID id, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) { - if (allocate()) setp(base(),ebuf()); + Init(); - m_modified = FALSE; - Create( parent, id, value, pos, size, style, validator, name ); -} -#else -wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) -{ - m_modified = FALSE; Create( parent, id, value, pos, size, style, validator, name ); } -#endif -bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) +bool wxTextCtrl::Create( wxWindow *parent, + wxWindowID id, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) { m_needParent = TRUE; m_acceptsFocus = TRUE; - PreCreation( parent, id, pos, size, style, name ); + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); + return FALSE; + } - SetValidator( validator ); m_vScrollbarVisible = FALSE; bool multi_line = (style & wxTE_MULTILINE) != 0; if (multi_line) { +#if (GTK_MINOR_VERSION > 2) /* a multi-line edit control: create a vertical scrollbar by default and horizontal if requested */ bool bHasHScrollbar = (style & wxHSCROLL) != 0; +#else + bool bHasHScrollbar = FALSE; +#endif /* create our control ... */ m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); @@ -161,22 +233,24 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, /* always wrap words */ gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); + +#if (GTK_MINOR_VERSION > 2) /* put the horizontal scrollbar in the lower left hand corner */ if (bHasHScrollbar) { GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj); GTK_WIDGET_UNSET_FLAGS( hscrollbar, GTK_CAN_FOCUS ); gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2, - (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), + (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), GTK_FILL, 0, 0); gtk_widget_show(hscrollbar); -#if (GTK_MINOR_VERSION > 0) /* don't wrap lines, otherwise we wouldn't need the scrollbar */ gtk_text_set_line_wrap( GTK_TEXT(m_text), FALSE ); -#endif } +#endif + /* finally, put the vertical scrollbar in the upper right corner */ m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj ); GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS ); @@ -192,22 +266,26 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, m_text = gtk_entry_new(); } - wxSize newSize = size; - if (newSize.x == -1) newSize.x = 80; - if (newSize.y == -1) newSize.y = 26; - SetSize( newSize.x, newSize.y ); - m_parent->DoAddChild( this ); + m_focusWidget = m_text; + PostCreation(); + SetFont( parent->GetFont() ); + + wxSize size_best( DoGetBestSize() ); + wxSize new_size( size ); + if (new_size.x == -1) + new_size.x = size_best.x; + if (new_size.y == -1) + new_size.y = size_best.y; + if ((new_size.x != size.x) || (new_size.y != size.y)) + SetSize( new_size.x, new_size.y ); + if (multi_line) gtk_widget_show(m_text); - /* we want to be notified about text changes */ - gtk_signal_connect( GTK_OBJECT(m_text), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); - if (multi_line) { gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", @@ -256,8 +334,21 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, gtk_text_set_editable( GTK_TEXT(m_text), 1 ); } - SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ); - SetForegroundColour( parent->GetForegroundColour() ); + /* we want to be notified about text changes */ + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + /* we don't set a valid background colour, because the window + manager should use a default one */ + m_backgroundColour = wxColour(); + + wxColour colFg = parent->GetForegroundColour(); + SetForegroundColour( colFg ); + + m_cursor = wxCursor( wxCURSOR_IBEAM ); + + wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() ); + SetDefaultStyle( attrDef ); Show( TRUE ); @@ -290,254 +381,154 @@ void wxTextCtrl::CalculateScrollbar() wxString wxTextCtrl::GetValue() const { - wxCHECK_MSG( m_text != NULL, _T(""), _T("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); wxString tmp; if (m_windowStyle & wxTE_MULTILINE) { gint len = gtk_text_get_length( GTK_TEXT(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - tmp = wxString(text,*wxConv_current); + tmp = wxString(text,*wxConvCurrent); g_free( text ); } else { - tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConv_current); + tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConvCurrent); } return tmp; } void wxTextCtrl::SetValue( const wxString &value ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); - - wxString tmp = _T(""); - if (!value.IsNull()) tmp = value; if (m_windowStyle & wxTE_MULTILINE) { gint len = gtk_text_get_length( GTK_TEXT(m_text) ); gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); len = 0; #if wxUSE_UNICODE - wxWX2MBbuf tmpbuf = tmp.mbc_str(); + wxWX2MBbuf tmpbuf = value.mbc_str(); gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len ); #else - gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp.mbc_str(), tmp.Length(), &len ); + gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); #endif } else { - gtk_entry_set_text( GTK_ENTRY(m_text), tmp.mbc_str() ); + gtk_entry_set_text( GTK_ENTRY(m_text), value.mbc_str() ); } - - gtk_signal_connect( GTK_OBJECT(m_text), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + // GRG, Jun/2000: Changed this after a lot of discussion in + // the lists. wxWindows 2.2 will have a set of flags to + // customize this behaviour. + SetInsertionPoint(0); + + m_modified = FALSE; } void wxTextCtrl::WriteText( const wxString &text ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (text.IsNull()) return; - - if (m_windowStyle & wxTE_MULTILINE) - { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; + if ( text.empty() ) + return; #if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); + wxWX2MBbuf buf = text.mbc_str(); + const char *txt = buf; + size_t txtlen = strlen(buf); #else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); + const char *txt = text; + size_t txtlen = text.length(); #endif - /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); - } - else + if ( m_windowStyle & wxTE_MULTILINE ) { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; -#if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); -#endif - - /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos += text.Len(); + // After cursor movements, gtk_text_get_point() is wrong by one. + gtk_text_set_point( GTK_TEXT(m_text), GTK_EDITABLE(m_text)->current_pos ); - /* bring entry's cursor uptodate. bug in GTK. */ - gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); - } -} - -void wxTextCtrl::AppendText( const wxString &text ) -{ - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + // if we have any special style, use it + if ( !m_defaultStyle.IsDefault() ) + { + GetInsertionPoint(); - if (m_windowStyle & wxTE_MULTILINE) - { - /* we'll insert at the last position */ - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); -#if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); -#endif + wxGtkTextInsert(m_text, m_defaultStyle, txt, txtlen); + } + else // no style + { + gint len = GTK_EDITABLE(m_text)->current_pos; + gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); + } - /* bring editable's cursor uptodate. bug in GTK. */ + // Bring editable's cursor back uptodate. GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); } - else + else // single line { - gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() ); - } -} - -bool wxTextCtrl::LoadFile( const wxString &file ) -{ - wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); - - if (!wxFileExists(file)) return FALSE; - - Clear(); - - FILE *fp = (FILE*) NULL; - struct stat statb; - - if ((stat (FNSTRINGCAST file.fn_str(), &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG || - !(fp = fopen (FNSTRINGCAST file.fn_str(), "r"))) - { - return FALSE; - } - else - { - gint len = statb.st_size; - char *text; - if (!(text = (char*)malloc ((unsigned) (len + 1)))) - { - fclose (fp); - return FALSE; - } - if (fread (text, sizeof (char), len, fp) != (size_t) len) - { - } - fclose (fp); + // This moves the cursor pos to behind the inserted text. + gint len = GTK_EDITABLE(m_text)->current_pos; + gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len ); - text[len] = 0; + // Bring editable's cursor uptodate. + GTK_EDITABLE(m_text)->current_pos += text.Len(); - if (m_windowStyle & wxTE_MULTILINE) - { - gint pos = 0; - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, len, &pos ); - } - else - { - gtk_entry_set_text( GTK_ENTRY(m_text), text ); + // Bring entry's cursor uptodate. + gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); } - free (text); - m_modified = FALSE; - return TRUE; - } - return FALSE; + m_modified = TRUE; } -bool wxTextCtrl::SaveFile( const wxString &file ) +void wxTextCtrl::AppendText( const wxString &text ) { - wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); - - if (file == _T("")) return FALSE; - - FILE *fp; - - if (!(fp = fopen (FNSTRINGCAST file.fn_str(), "w"))) - { - return FALSE; - } - else - { - char *text = (char*) NULL; - gint len = 0; - - if (m_windowStyle & wxTE_MULTILINE) - { - len = gtk_text_get_length( GTK_TEXT(m_text) ); - text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - } - else - { - text = gtk_entry_get_text( GTK_ENTRY(m_text) ); - } - - if (fwrite (text, sizeof (char), len, fp) != (size_t) len) - { - // Did not write whole file - } - - // Make sure newline terminates the file - if (text[len - 1] != '\n') - fputc ('\n', fp); - - fclose (fp); - - if (m_windowStyle & wxTE_MULTILINE) g_free( text ); - - m_modified = FALSE; - return TRUE; - } - - return TRUE; + SetInsertionPointEnd(); + WriteText( text ); } wxString wxTextCtrl::GetLineText( long lineNo ) const { - if (m_windowStyle & wxTE_MULTILINE) - { - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - - if (text) + if (m_windowStyle & wxTE_MULTILINE) { - wxString buf(_T("")); - long i; - int currentLine = 0; - for (i = 0; currentLine != lineNo && text[i]; i++ ) - if (text[i] == '\n') + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); + + if (text) + { + wxString buf(wxT("")); + long i; + int currentLine = 0; + for (i = 0; currentLine != lineNo && text[i]; i++ ) + if (text[i] == '\n') currentLine++; - // Now get the text - int j; - for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) - buf += text[i]; + // Now get the text + int j; + for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) + buf += text[i]; - g_free( text ); - return buf; + g_free( text ); + return buf; + } + else + { + return wxEmptyString; + } } else - return wxEmptyString; - } - else - { - if (lineNo == 0) return GetValue(); - return wxEmptyString; - } + { + if (lineNo == 0) return GetValue(); + return wxEmptyString; + } } void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) { /* If you implement this, don't forget to update the documentation! * (file docs/latex/wx/text.tex) */ - wxFAIL_MSG( _T("wxTextCtrl::OnDropFiles not implemented") ); + wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); } -long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const +bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const { if ( m_windowStyle & wxTE_MULTILINE ) { @@ -553,7 +544,7 @@ long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const const wxChar* stop = text.c_str() + pos; for ( const wxChar *p = text.c_str(); p < stop; p++ ) { - if (*p == _T('\n')) + if (*p == wxT('\n')) { (*y)++; *x=0; @@ -629,7 +620,7 @@ int wxTextCtrl::GetNumberOfLines() const void wxTextCtrl::SetInsertionPoint( long pos ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (m_windowStyle & wxTE_MULTILINE) { @@ -660,13 +651,13 @@ void wxTextCtrl::SetInsertionPoint( long pos ) /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos = pos; + GTK_EDITABLE(m_text)->current_pos = (guint32)pos; } } void wxTextCtrl::SetInsertionPointEnd() { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (m_windowStyle & wxTE_MULTILINE) SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text))); @@ -676,7 +667,7 @@ void wxTextCtrl::SetInsertionPointEnd() void wxTextCtrl::SetEditable( bool editable ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (m_windowStyle & wxTE_MULTILINE) gtk_text_set_editable( GTK_TEXT(m_text), editable ); @@ -684,28 +675,147 @@ void wxTextCtrl::SetEditable( bool editable ) gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); } +bool wxTextCtrl::Enable( bool enable ) +{ + if (!wxWindowBase::Enable(enable)) + { + // nothing to do + return FALSE; + } + + if (m_windowStyle & wxTE_MULTILINE) + { + gtk_text_set_editable( GTK_TEXT(m_text), enable ); + OnParentEnable(enable); + } + else + { + gtk_widget_set_sensitive( m_text, enable ); + } + + return TRUE; +} + +// wxGTK-specific: called recursively by Enable, +// to give widgets an oppprtunity to correct their colours after they +// have been changed by Enable +void wxTextCtrl::OnParentEnable( bool enable ) +{ + // If we have a custom background colour, we use this colour in both + // disabled and enabled mode, or we end up with a different colour under the + // text. + wxColour oldColour = GetBackgroundColour(); + if (oldColour.Ok()) + { + // Need to set twice or it'll optimize the useful stuff out + if (oldColour == * wxWHITE) + SetBackgroundColour(*wxBLACK); + else + SetBackgroundColour(*wxWHITE); + SetBackgroundColour(oldColour); + } +} + +void wxTextCtrl::DiscardEdits() +{ + m_modified = FALSE; +} + +// ---------------------------------------------------------------------------- +// max text length support +// ---------------------------------------------------------------------------- + +void wxTextCtrl::IgnoreNextTextUpdate() +{ + m_ignoreNextUpdate = TRUE; +} + +bool wxTextCtrl::IgnoreTextUpdate() +{ + if ( m_ignoreNextUpdate ) + { + m_ignoreNextUpdate = FALSE; + + return TRUE; + } + + return FALSE; +} + +void wxTextCtrl::SetMaxLength(unsigned long len) +{ + if ( !HasFlag(wxTE_MULTILINE) ) + { + gtk_entry_set_max_length(GTK_ENTRY(m_text), len); + + // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if + // we had tried to enter more text than allowed by max text length and + // the text wasn't really changed + // + // to detect this and generate TEXT_MAXLEN event instead of + // TEXT_CHANGED one in this case we also catch "insert_text" signal + // + // when max len is set to 0 we disconnect our handler as it means that + // we shouldn't check anything any more + if ( len ) + { + gtk_signal_connect( GTK_OBJECT(m_text), + "insert_text", + GTK_SIGNAL_FUNC(gtk_insert_text_callback), + (gpointer)this); + } + else // no checking + { + gtk_signal_disconnect_by_func + ( + GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_insert_text_callback), + (gpointer)this + ); + } + } +} + void wxTextCtrl::SetSelection( long from, long to ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + if ( (m_windowStyle & wxTE_MULTILINE) && + !GTK_TEXT(m_text)->line_start_cache ) + { + // tell the programmer that it didn't work + wxLogDebug(_T("Can't call SetSelection() before realizing the control")); + return; + } gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } -void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) +void wxTextCtrl::ShowPosition( long pos ) { - wxFAIL_MSG( _T("wxTextCtrl::ShowPosition not implemented") ); + if (m_windowStyle & wxTE_MULTILINE) + { + GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; + float totalLines = (float) GetNumberOfLines(); + long posX; + long posY; + PositionToXY(pos, &posX, &posY); + float posLine = (float) posY; + float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; + gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); + } } long wxTextCtrl::GetInsertionPoint() const { - wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); return (long) GTK_EDITABLE(m_text)->current_pos; } long wxTextCtrl::GetLastPosition() const { - wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); int pos = 0; if (m_windowStyle & wxTE_MULTILINE) @@ -718,29 +828,32 @@ long wxTextCtrl::GetLastPosition() const void wxTextCtrl::Remove( long from, long to ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } void wxTextCtrl::Replace( long from, long to, const wxString &value ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); - if (value.IsNull()) return; - gint pos = (gint)from; + + if (!value.IsEmpty()) + { + gint pos = (gint)from; #if wxUSE_UNICODE - wxWX2MBbuf buf = value.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); + wxWX2MBbuf buf = value.mbc_str(); + gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); #else - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); #endif + } } void wxTextCtrl::Cut() { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); #if (GTK_MINOR_VERSION > 0) gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) ); @@ -751,7 +864,7 @@ void wxTextCtrl::Cut() void wxTextCtrl::Copy() { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); #if (GTK_MINOR_VERSION > 0) gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); @@ -762,7 +875,7 @@ void wxTextCtrl::Copy() void wxTextCtrl::Paste() { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); #if (GTK_MINOR_VERSION > 0) gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); @@ -771,208 +884,199 @@ void wxTextCtrl::Paste() #endif } -bool wxTextCtrl::CanCopy() const -{ - // Can copy if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) ; -} - -bool wxTextCtrl::CanCut() const -{ - // Can cut if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) ; -} - -bool wxTextCtrl::CanPaste() const -{ - return IsEditable() ; -} - // Undo/redo void wxTextCtrl::Undo() { // TODO - wxFAIL_MSG( _T("wxTextCtrl::Undo not implemented") ); + wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") ); } void wxTextCtrl::Redo() { // TODO - wxFAIL_MSG( _T("wxTextCtrl::Redo not implemented") ); + wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") ); } bool wxTextCtrl::CanUndo() const { // TODO - wxFAIL_MSG( _T("wxTextCtrl::CanUndo not implemented") ); + wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); return FALSE; } bool wxTextCtrl::CanRedo() const { // TODO - wxFAIL_MSG( _T("wxTextCtrl::CanRedo not implemented") ); + wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); return FALSE; } // If the return values from and to are the same, there is no // selection. -void wxTextCtrl::GetSelection(long* from, long* to) const +void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const { - // TODO - *from = 0; - *to = 0; - wxFAIL_MSG( _T("wxTextCtrl::GetSelection not implemented") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + long from, to; + if ( !(GTK_EDITABLE(m_text)->has_selection) ) + { + from = + to = GetInsertionPoint(); + } + else // got selection + { + from = (long) GTK_EDITABLE(m_text)->selection_start_pos; + to = (long) GTK_EDITABLE(m_text)->selection_end_pos; + + if ( from > to ) + { + // exchange them to be compatible with wxMSW + long tmp = from; + from = to; + to = tmp; + } + } + + if ( fromOut ) + *fromOut = from; + if ( toOut ) + *toOut = to; } bool wxTextCtrl::IsEditable() const { - // TODO - wxFAIL_MSG( _T("wxTextCtrl::IsEditable not implemented") ); - return FALSE; + wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + + return GTK_EDITABLE(m_text)->editable; +} + +bool wxTextCtrl::IsModified() const +{ + return m_modified; } void wxTextCtrl::Clear() { - SetValue( _T("") ); + SetValue( wxT("") ); } void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { - wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); event.SetEventObject(this); + event.SetString(GetValue()); if (GetEventHandler()->ProcessEvent(event)) return; } + if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) + { + // This will invoke the dialog default action, such + // as the clicking the default button. + + wxWindow *top_frame = m_parent; + while (top_frame->GetParent() && !(top_frame->IsTopLevel())) + top_frame = top_frame->GetParent(); + + if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) + { + GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + + if (window->default_widget) + { + gtk_widget_activate (window->default_widget); + return; + } + } + } + key_event.Skip(); } -#ifndef NO_TEXT_WINDOW_STREAM -int wxTextCtrl::overflow( int WXUNUSED(c) ) +GtkWidget* wxTextCtrl::GetConnectWidget() { - 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; + return GTK_WIDGET(m_text); } -int wxTextCtrl::sync() +bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) { - 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; + if (m_windowStyle & wxTE_MULTILINE) + return (window == GTK_TEXT(m_text)->text_area); + else + return (window == GTK_ENTRY(m_text)->text_area); } -int wxTextCtrl::underflow() +// the font will change for subsequent text insertiongs +bool wxTextCtrl::SetFont( const wxFont &font ) { - return EOF; -} + wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); -wxTextCtrl& wxTextCtrl::operator<<(const wxString& s) -{ - AppendText(s); - return *this; -} + if ( !wxTextCtrlBase::SetFont(font) ) + { + // font didn't change, nothing to do + return FALSE; + } -wxTextCtrl& wxTextCtrl::operator<<(float f) -{ - static char buf[100]; - sprintf(buf, "%.2f", f); - AppendText(buf); - return *this; -} + if ( m_windowStyle & wxTE_MULTILINE ) + { + m_updateFont = TRUE; -wxTextCtrl& wxTextCtrl::operator<<(double d) -{ - static char buf[100]; - sprintf(buf, "%.2f", d); - AppendText(buf); - return *this; -} + m_defaultStyle.SetFont(font); -wxTextCtrl& wxTextCtrl::operator<<(int i) -{ - static char buf[100]; - sprintf(buf, "%i", i); - AppendText(buf); - return *this; -} + ChangeFontGlobally(); + } -wxTextCtrl& wxTextCtrl::operator<<(long i) -{ - static char buf[100]; - sprintf(buf, "%ld", i); - AppendText(buf); - return *this; + return TRUE; } -wxTextCtrl& wxTextCtrl::operator<<(const char c) +void wxTextCtrl::ChangeFontGlobally() { - char buf[2]; + // this method is very inefficient and hence should be called as rarely as + // possible! + wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont, + _T("shouldn't be called for single line controls") ); - buf[0] = c; - buf[1] = 0; - AppendText(buf); - return *this; -} -#endif + wxString value = GetValue(); + if ( !value.IsEmpty() ) + { + m_updateFont = FALSE; -GtkWidget* wxTextCtrl::GetConnectWidget() -{ - return GTK_WIDGET(m_text); + Clear(); + AppendText(value); + } } -bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) +void wxTextCtrl::UpdateFontIfNeeded() { - if (m_windowStyle & wxTE_MULTILINE) - return (window == GTK_TEXT(m_text)->text_area); - else - return (window == GTK_ENTRY(m_text)->text_area); + if ( m_updateFont ) + ChangeFontGlobally(); } -bool wxTextCtrl::SetFont( const wxFont &WXUNUSED(font) ) +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { - wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); - - // doesn't work - return FALSE; -} + if ( !wxControl::SetForegroundColour(colour) ) + return FALSE; -bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) -{ - wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); + // update default fg colour too + m_defaultStyle.SetTextColour(colour); - // doesn't work - return FALSE; + return TRUE; } bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) { - wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); - wxControl::SetBackgroundColour( colour ); + if ( !wxControl::SetBackgroundColour( colour ) ) + return FALSE; if (!m_widget->window) return FALSE; - wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); + wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ); if (sysbg.Red() == colour.Red() && sysbg.Green() == colour.Green() && sysbg.Blue() == colour.Blue()) @@ -993,9 +1097,66 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) gdk_window_clear( window ); } + // change active background color too + m_defaultStyle.SetBackgroundColour( colour ); + return TRUE; } +bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) +{ + /* VERY dirty way to do that - removes the required text and re-adds it + with styling (FIXME) */ + if ( m_windowStyle & wxTE_MULTILINE ) + { + if ( style.IsDefault() ) + { + // nothing to do + return TRUE; + } + + gint l = gtk_text_get_length( GTK_TEXT(m_text) ); + + wxCHECK_MSG( start >= 0 && end <= l, FALSE, + _T("invalid range in wxTextCtrl::SetStyle") ); + + gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end ); + wxString tmp(text,*wxConvCurrent); + g_free( text ); + + gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); + gtk_editable_set_position( GTK_EDITABLE(m_text), start ); + +#if wxUSE_UNICODE + wxWX2MBbuf buf = tmp.mbc_str(); + const char *txt = buf; + size_t txtlen = strlen(buf); +#else + const char *txt = tmp; + size_t txtlen = tmp.length(); +#endif + + // use the attributes from style which are set in it and fall back + // first to the default style and then to the text control default + // colours for the others + wxGtkTextInsert(m_text, + wxTextAttr::Combine(style, m_defaultStyle, this), + txt, + txtlen); + + /* does not seem to help under GTK+ 1.2 !!! + gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ + SetInsertionPoint( old_pos ); + return TRUE; + } + else // singe line + { + // cannot do this for GTK+'s Entry widget + return FALSE; + } +} + void wxTextCtrl::ApplyWidgetStyle() { if (m_windowStyle & wxTE_MULTILINE) @@ -1058,3 +1219,115 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) { event.Enable( CanRedo() ); } + +void wxTextCtrl::OnInternalIdle() +{ + wxCursor cursor = m_cursor; + if (g_globalCursor.Ok()) cursor = g_globalCursor; + + if (cursor.Ok()) + { + GdkWindow *window = (GdkWindow*) NULL; + if (HasFlag(wxTE_MULTILINE)) + window = GTK_TEXT(m_text)->text_area; + else + window = GTK_ENTRY(m_text)->text_area; + + if (window) + gdk_window_set_cursor( window, cursor.GetCursor() ); + + if (!g_globalCursor.Ok()) + cursor = *wxSTANDARD_CURSOR; + + window = m_widget->window; + if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) + gdk_window_set_cursor( window, cursor.GetCursor() ); + } + + UpdateWindowUI(); +} + +wxSize wxTextCtrl::DoGetBestSize() const +{ + // FIXME should be different for multi-line controls... + wxSize ret( wxControl::DoGetBestSize() ); + return wxSize(80, ret.y); +} + +// ---------------------------------------------------------------------------- +// freeze/thaw +// ---------------------------------------------------------------------------- + +void wxTextCtrl::Freeze() +{ + if ( HasFlag(wxTE_MULTILINE) ) + { + gtk_text_freeze(GTK_TEXT(m_text)); + } +} + +void wxTextCtrl::Thaw() +{ + if ( HasFlag(wxTE_MULTILINE) ) + { + GTK_TEXT(m_text)->vadj->value = 0.0; + + gtk_text_thaw(GTK_TEXT(m_text)); + } +} + +// ---------------------------------------------------------------------------- +// scrolling +// ---------------------------------------------------------------------------- + +GtkAdjustment *wxTextCtrl::GetVAdj() const +{ + return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL; +} + +bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) +{ + float value = adj->value + diff; + + if ( value < 0 ) + value = 0; + + float upper = adj->upper - adj->page_size; + if ( value > upper ) + value = upper; + + // did we noticeably change the scroll position? + if ( fabs(adj->value - value) < 0.2 ) + { + // well, this is what Robert does in wxScrollBar, so it must be good... + return FALSE; + } + + adj->value = value; + + gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); + + return TRUE; +} + +bool wxTextCtrl::ScrollLines(int lines) +{ + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + // this is hardcoded to 10 in GTK+ 1.2 (great idea) + static const int KEY_SCROLL_PIXELS = 10; + + return DoScroll(adj, lines*KEY_SCROLL_PIXELS); +} + +bool wxTextCtrl::ScrollPages(int pages) +{ + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + return DoScroll(adj, (int)ceil(pages*adj->page_increment)); +} +