X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e3ca08dd1219d427e20dc15170e8b7a81c46b456..22aff5795eb2923fd6f56c8b4d894daabaea0879:/src/gtk/textctrl.cpp diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index e1dd7eafc6..2d5b6460a5 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -7,687 +7,1734 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "textctrl.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/textctrl.h" #include "wx/utils.h" -#include +#include "wx/intl.h" +#include "wx/log.h" +#include "wx/settings.h" +#include "wx/panel.h" +#include "wx/strconv.h" +#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) + +#include +#include +#include +#include // for fabs + +#include "wx/gtk/private.h" +#include + +//----------------------------------------------------------------------------- +// idle system +//----------------------------------------------------------------------------- + +extern void wxapp_install_idle_handler(); +extern bool g_isIdle; + +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; +extern wxCursor g_globalCursor; +extern wxWindowGTK *g_delayedFocus; + +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- + +#ifdef __WXGTK20__ +static void wxGtkTextInsert(GtkWidget *text, + GtkTextBuffer *text_buffer, + const wxTextAttr& attr, + wxCharBuffer buffer) + +{ + PangoFontDescription *font_description = attr.HasFont() + ? attr.GetFont().GetNativeFontInfo()->description + : NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + GtkTextTag *tag; + tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description, + "foreground-gdk", colFg, + "background-gdk", colBg, NULL ); + + GtkTextIter iter; + gtk_text_buffer_get_iter_at_mark( text_buffer, &iter, + gtk_text_buffer_get_insert (text_buffer) ); + + gtk_text_buffer_insert_with_tags( text_buffer, &iter, buffer, strlen(buffer), tag, NULL ); +} +#else +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 ); +} +#endif // GTK 1.x + +// ---------------------------------------------------------------------------- +// "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 *widget, wxTextCtrl *win ) +{ + if ( win->IgnoreTextUpdate() ) + return; + + if (!win->m_hasVMT) return; + + if (g_isIdle) + wxapp_install_idle_handler(); + + win->SetModified(); + win->UpdateFontIfNeeded(); + + wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); + event.SetEventObject( win ); + event.SetString( win->GetValue() ); + win->GetEventHandler()->ProcessEvent( event ); +} + +//----------------------------------------------------------------------------- +// "changed" from vertical scrollbar +//----------------------------------------------------------------------------- + +#ifndef __WXGTK20__ +static void +gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +{ + if (!win->m_hasVMT) return; + + if (g_isIdle) + wxapp_install_idle_handler(); + + win->CalculateScrollbar(); +} +#endif + +// ---------------------------------------------------------------------------- +// redraw callback for multiline text +// ---------------------------------------------------------------------------- + +#ifndef __WXGTK20__ + +// redrawing a GtkText from inside a wxYield() call results in crashes (the +// text sample shows it in its "Add lines" command which shows wxProgressDialog +// which implicitly calls wxYield()) so we override GtkText::draw() and simply +// don't do anything if we're inside wxYield() + +extern bool wxIsInsideYield; + +extern "C" { + typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect); +} + +static GtkDrawCallback gs_gtk_text_draw = NULL; + +extern "C" +void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) +{ + if ( !wxIsInsideYield ) + { + wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw, + _T("infinite recursion in wxgtk_text_draw aborted") ); + + gs_gtk_text_draw(widget, rect); + } +} + +#endif // __WXGTK20__ + +//----------------------------------------------------------------------------- +// wxTextCtrl +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) + +BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) + EVT_CHAR(wxTextCtrl::OnChar) + + EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) + EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) + EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) + EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) + EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) + + EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) + EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) + EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) + EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) + EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) +END_EVENT_TABLE() + +void wxTextCtrl::Init() +{ + m_ignoreNextUpdate = + m_modified = FALSE; + m_updateFont = FALSE; + m_text = + m_vScrollbar = (GtkWidget *)NULL; +} + +wxTextCtrl::wxTextCtrl( wxWindow *parent, + wxWindowID id, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) +{ + Init(); + + Create( parent, id, value, pos, size, style, validator, 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; + + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); + return FALSE; + } + + + m_vScrollbarVisible = FALSE; + + bool multi_line = (style & wxTE_MULTILINE) != 0; + +#ifdef __WXGTK20__ + GtkTextBuffer *buffer = NULL; +#endif + + if (multi_line) + { +#ifdef __WXGTK20__ + // Create view + m_text = gtk_text_view_new(); + + buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + // create scrolled window + m_widget = gtk_scrolled_window_new( NULL, NULL ); + gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ), + GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); + + // Insert view into scrolled window + gtk_container_add( GTK_CONTAINER(m_widget), m_text ); + + // Global settings which can be overridden by tags, I guess. + if (HasFlag( wxHSCROLL ) || HasFlag( wxTE_DONTWRAP )) + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE ); + else + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD ); + + if (!HasFlag(wxNO_BORDER)) + gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN ); + + GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); +#else + // create our control ... + m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); + + // ... and put into the upper left hand corner of the table + bool bHasHScrollbar = FALSE; + m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); + GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); + gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, + (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), + (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), + 0, 0); + + // always wrap words + gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); + + // 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 ); + gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1, + GTK_FILL, + (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), + 0, 0); +#endif + } + else + { + // a single-line text control: no need for scrollbars + m_widget = + m_text = gtk_entry_new(); + } + + m_parent->DoAddChild( this ); + + m_focusWidget = m_text; + + PostCreation(size); + + if (multi_line) + gtk_widget_show(m_text); + +#ifndef __WXGTK20__ + if (multi_line) + { + gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", + (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); + + // only initialize gs_gtk_text_draw once, starting from the next the + // klass::draw will already be wxgtk_text_draw + if ( !gs_gtk_text_draw ) + { + GtkDrawCallback& + draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw; + + gs_gtk_text_draw = draw; + + draw = wxgtk_text_draw; + } + } +#endif // GTK+ 1.x + + if (!value.IsEmpty()) + { +#ifdef __WXGTK20__ + SetValue( value ); +#else + +#if !GTK_CHECK_VERSION(1, 2, 0) + // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in + // gtk_editable_insert_text() + gtk_widget_realize(m_text); +#endif // GTK 1.0 + + gint tmp = 0; +#if wxUSE_UNICODE + wxWX2MBbuf val = value.mbc_str(); + gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp ); +#else + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); +#endif + + if (multi_line) + { + // Bring editable's cursor uptodate. Bug in GTK. + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); + } + +#endif + } + + if (style & wxTE_PASSWORD) + { + if (!multi_line) + gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE ); + } + + if (style & wxTE_READONLY) + { + if (!multi_line) + gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE ); +#ifdef __WXGTK20__ + else + gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE); +#else + } + else + { + if (multi_line) + gtk_text_set_editable( GTK_TEXT(m_text), 1 ); +#endif + } + +#ifdef __WXGTK20__ + if (multi_line) + { + if (style & wxTE_RIGHT) + gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT ); + else if (style & wxTE_CENTRE) + gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER ); + // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT + } + // gtk_entry_set_alignment was introduced in gtk+-2.3.5 +#if GTK_CHECK_VERSION(2, 3, 5) + else + { + if (style & wxTE_RIGHT) + gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 ); + else if (style & wxTE_CENTRE) + gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 ); + } +#endif // gtk+-2.3.5 +#endif // __WXGTK20__ + + // We want to be notified about text changes. +#ifdef __WXGTK20__ + if (multi_line) + { + g_signal_connect( G_OBJECT(buffer), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + } + else +#endif + + { + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + } + + m_cursor = wxCursor( wxCURSOR_IBEAM ); + + wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); + SetDefaultStyle( attrDef ); + + return TRUE; +} + + +void wxTextCtrl::CalculateScrollbar() +{ +#ifndef __WXGTK20__ + if ((m_windowStyle & wxTE_MULTILINE) == 0) return; + + GtkAdjustment *adj = GTK_TEXT(m_text)->vadj; + + if (adj->upper - adj->page_size < 0.8) + { + if (m_vScrollbarVisible) + { + gtk_widget_hide( m_vScrollbar ); + m_vScrollbarVisible = FALSE; + } + } + else + { + if (!m_vScrollbarVisible) + { + gtk_widget_show( m_vScrollbar ); + m_vScrollbarVisible = TRUE; + } + } +#endif +} + +wxString wxTextCtrl::GetValue() const +{ + wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); + + wxString tmp; + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + GtkTextIter start; + gtk_text_buffer_get_start_iter( text_buffer, &start ); + GtkTextIter end; + gtk_text_buffer_get_end_iter( text_buffer, &end ); + gchar *text = gtk_text_buffer_get_text( text_buffer, &start, &end, TRUE ); + +#if wxUSE_UNICODE + wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) ); +#else + wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) ); +#endif + tmp = buffer; + + g_free( text ); +#else + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); + tmp = text; + g_free( text ); +#endif + } + else + { + tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) ); + } + + return tmp; +} + +void wxTextCtrl::SetValue( const wxString &value ) +{ + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + +#if wxUSE_UNICODE + wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) ); +#else + wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) ); +#endif + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + gtk_text_buffer_set_text( text_buffer, buffer, strlen(buffer) ); + +#else + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); + len = 0; + gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); +#endif + } + else + { + gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) ); + } + + // GRG, Jun/2000: Changed this after a lot of discussion in + // the lists. wxWidgets 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, wxT("invalid text ctrl") ); + + if ( text.empty() ) + return; + + if ( m_windowStyle & wxTE_MULTILINE ) + { +#ifdef __WXGTK20__ + +#if wxUSE_UNICODE + wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); +#else + wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); +#endif + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + // TODO: Call whatever is needed to delete the selection. + wxGtkTextInsert( m_text, text_buffer, m_defaultStyle, buffer ); + + GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) ); + // Scroll to cursor, but only if scrollbar thumb is at the very bottom + if ( adj->value == adj->upper - adj->page_size ) + { + gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), + gtk_text_buffer_get_insert( text_buffer ), 0.0, FALSE, 0.0, 1.0 ); + } +#else // GTK 1.x + // After cursor movements, gtk_text_get_point() is wrong by one. + gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) ); + + // always use m_defaultStyle, even if it is empty as otherwise + // resetting the style and appending some more text wouldn't work: if + // we don't specify the style explicitly, the old style would be used + gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); + wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len()); + + // we called wxGtkTextInsert with correct font, no need to do anything + // in UpdateFontIfNeeded() any longer + if ( !text.empty() ) + { + m_updateFont = FALSE; + } + + // Bring editable's cursor back uptodate. + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); +#endif // GTK 1.x/2.0 + } + else // single line + { + // First remove the selection if there is one + gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); + + // This moves the cursor pos to behind the inserted text. + gint len = GET_EDITABLE_POS(m_text); + +#ifdef __WXGTK20__ + +#if wxUSE_UNICODE + wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); +#else + wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); +#endif + gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); + +#else + gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len ); +#endif + + // Bring entry's cursor uptodate. + gtk_entry_set_position( GTK_ENTRY(m_text), len ); + } + + m_modified = TRUE; +} + +void wxTextCtrl::AppendText( const wxString &text ) +{ + SetInsertionPointEnd(); + WriteText( text ); +} + +wxString wxTextCtrl::GetLineText( long lineNo ) const +{ + if (m_windowStyle & wxTE_MULTILINE) + { +#ifndef __WXGTK20__ + 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]; + + g_free( text ); + return buf; + } + else + { + return wxEmptyString; + } +#else + GtkTextBuffer *text_buffer; + text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(m_text)); + GtkTextIter line; + gtk_text_buffer_get_iter_at_line(text_buffer,&line,lineNo); + GtkTextIter end; + gtk_text_buffer_get_end_iter(text_buffer,&end ); + gchar *text = gtk_text_buffer_get_text(text_buffer,&line,&end,TRUE); + wxString result(wxGTK_CONV_BACK(text)); + g_free(text); + return result.BeforeFirst(wxT('\n')); +#endif + } + else + { + 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( wxT("wxTextCtrl::OnDropFiles not implemented") ); +} + +bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const +{ + if ( m_windowStyle & wxTE_MULTILINE ) + { + wxString text = GetValue(); + + // cast to prevent warning. But pos really should've been unsigned. + if( (unsigned long)pos > text.Len() ) + return FALSE; + + *x=0; // First Col + *y=0; // First Line + + const wxChar* stop = text.c_str() + pos; + for ( const wxChar *p = text.c_str(); p < stop; p++ ) + { + if (*p == wxT('\n')) + { + (*y)++; + *x=0; + } + else + (*x)++; + } + } + else // single line control + { + if ( pos <= GTK_ENTRY(m_text)->text_length ) + { + *y = 0; + *x = pos; + } + else + { + // index out of bounds + return FALSE; + } + } + + return TRUE; +} + +long wxTextCtrl::XYToPosition(long x, long y ) const +{ + if (!(m_windowStyle & wxTE_MULTILINE)) return 0; + + long pos=0; + for( int i=0; i -#include -#include + return TRUE; +} -//----------------------------------------------------------------------------- -// "changed" -//----------------------------------------------------------------------------- +// 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); + } +} -static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +void wxTextCtrl::MarkDirty() { - win->SetModified(); - - wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId ); - wxString val( win->GetValue() ); - if (!val.IsNull()) event.m_commandString = WXSTRINGCAST val; - event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + m_modified = TRUE; } -//----------------------------------------------------------------------------- -// wxTextCtrl -//----------------------------------------------------------------------------- +void wxTextCtrl::DiscardEdits() +{ + m_modified = FALSE; +} -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) +// ---------------------------------------------------------------------------- +// max text length support +// ---------------------------------------------------------------------------- -BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) - EVT_CHAR(wxTextCtrl::OnChar) -END_EVENT_TABLE() +void wxTextCtrl::IgnoreNextTextUpdate() +{ + m_ignoreNextUpdate = TRUE; +} -wxTextCtrl::wxTextCtrl() : streambuf() +bool wxTextCtrl::IgnoreTextUpdate() { - if (allocate()) setp(base(),ebuf()); + if ( m_ignoreNextUpdate ) + { + m_ignoreNextUpdate = FALSE; - m_modified = FALSE; + return TRUE; + } + + return FALSE; } -wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) : streambuf() +void wxTextCtrl::SetMaxLength(unsigned long len) { - if (allocate()) setp(base(),ebuf()); - - m_modified = FALSE; - Create( parent, id, value, pos, size, style, validator, name ); + 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 + ); + } + } } -bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) +void wxTextCtrl::SetSelection( long from, long to ) { - m_needParent = TRUE; + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - PreCreation( parent, id, pos, size, style, name ); + if (from == -1 && to == -1) + { + from = 0; + to = GetValue().Length(); + } - SetValidator( validator ); +#ifndef __WXGTK20__ + 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; + } +#endif - bool bMultiLine = (style & wxTE_MULTILINE) != 0; - if ( bMultiLine ) - { - // a multi-line edit control: create a vertical scrollbar by default and - // horizontal if requested - bool bHasHScrollbar = (style & wxHSCROLL) != 0; + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); - // create our control... - m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); + GtkTextIter fromi, toi; + gtk_text_buffer_get_iter_at_offset( buf, &fromi, from ); + gtk_text_buffer_get_iter_at_offset( buf, &toi, to ); - // ... and put into the upper left hand corner of the table - m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); - gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, - (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), - (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), - 0, 0); + gtk_text_buffer_place_cursor( buf, &toi ); + gtk_text_buffer_move_mark_by_name( buf, "selection_bound", &fromi ); +#else + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); +#endif + } + else + { + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + } +} - // put the horizontal scrollbar in the lower left hand corner - if (bHasHScrollbar) +void wxTextCtrl::ShowPosition( long pos ) +{ + if (m_windowStyle & wxTE_MULTILINE) { - GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj); - gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2, - (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), - GTK_FILL, - 0, 0); - gtk_widget_show(hscrollbar); +#ifdef __WXGTK20__ + GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + GtkTextIter iter; + gtk_text_buffer_get_start_iter( buf, &iter ); + gtk_text_iter_set_offset( &iter, pos ); + GtkTextMark *mark = gtk_text_buffer_create_mark( buf, NULL, &iter, TRUE ); + gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 ); +#else // GTK 1.x + 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); +#endif // GTK 1.x/2.x } +} - // finally, put the vertical scrollbar in the upper right corner - GtkWidget *vscrollbar = gtk_vscrollbar_new(GTK_TEXT(m_text)->vadj); - gtk_table_attach(GTK_TABLE(m_widget), vscrollbar, 1, 2, 0, 1, - GTK_FILL, - (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), - 0, 0); - gtk_widget_show( vscrollbar ); - } - else - { - // a single-line text control: no need for scrollbars - m_widget = - 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->AddChild( this ); - - (m_parent->m_insertCallback)( m_parent, this ); - - PostCreation(); - - if (bMultiLine) - { - gtk_widget_realize(m_text); - 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 (!value.IsNull()) - { - gint tmp = 0; - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); - SetInsertionPointEnd(); - } +long wxTextCtrl::GetInsertionPoint() const +{ + wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); - if (style & wxTE_READONLY) - { - } - else - { - if (bMultiLine) - gtk_text_set_editable( GTK_TEXT(m_text), 1 ); - } +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) + { + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); - Show( TRUE ); + // There is no direct accessor for the cursor, but + // internally, the cursor is the "mark" called + // "insert" in the text view's btree structure. - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); + GtkTextMark *mark = gtk_text_buffer_get_insert( text_buffer ); + GtkTextIter cursor; + gtk_text_buffer_get_iter_at_mark( text_buffer, &cursor, mark ); - return TRUE; + return gtk_text_iter_get_offset( &cursor ); + } + else +#endif + { + return (long) GET_EDITABLE_POS(m_text); + } } -wxString wxTextCtrl::GetValue() const +long wxTextCtrl::GetLastPosition() const { - wxCHECK_MSG( m_text != NULL, "", "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 = text; - g_free( text ); - } - else - { - tmp = gtk_entry_get_text( GTK_ENTRY(m_text) ); - } - return tmp; -} + wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); -void wxTextCtrl::SetValue( const wxString &value ) -{ - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - wxString tmp = ""; - 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; - gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len ); - } - else - { - gtk_entry_set_text( GTK_ENTRY(m_text), tmp ); - } -} + int pos = 0; -void wxTextCtrl::WriteText( const wxString &text ) -{ - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - if (text.IsNull()) return; - - if (m_windowStyle & wxTE_MULTILINE) - { - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); - } - else - { - gtk_entry_append_text( GTK_ENTRY(m_text), text ); - } -} - -bool wxTextCtrl::LoadFile( const wxString &file ) -{ - wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" ); - - if (!wxFileExists(file)) return FALSE; - - Clear(); - - FILE *fp = NULL; - struct stat statb; - - if ((stat ((char*) (const char*) file, &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG || - !(fp = fopen ((char*) (const char*) file, "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); - - text[len] = 0; - if (m_windowStyle & wxTE_MULTILINE) { - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, 0, &len ); +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + GtkTextIter end; + gtk_text_buffer_get_end_iter( text_buffer, &end ); + + pos = gtk_text_iter_get_offset( &end ); +#else + pos = gtk_text_get_length( GTK_TEXT(m_text) ); +#endif } else { - gtk_entry_set_text( GTK_ENTRY(m_text), text ); + pos = GTK_ENTRY(m_text)->text_length; } - - free (text); - m_modified = FALSE; - return TRUE; - } - return FALSE; + + return (long)pos; } -bool wxTextCtrl::SaveFile( const wxString &file ) +void wxTextCtrl::Remove( long from, long to ) { - wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" ); - - if (file == "") return FALSE; - - FILE *fp; + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (!(fp = fopen ((char*) (const char*) file, "w"))) - { - return FALSE; - } - else +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) { - char *text = 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); + GtkTextBuffer * + text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); - fclose (fp); - - if (m_windowStyle & wxTE_MULTILINE) g_free( text ); - - m_modified = FALSE; - return TRUE; - } + GtkTextIter fromi, toi; + gtk_text_buffer_get_iter_at_offset( text_buffer, &fromi, from ); + gtk_text_buffer_get_iter_at_offset( text_buffer, &toi, to ); - return TRUE; + gtk_text_buffer_delete( text_buffer, &fromi, &toi ); + } + else // single line +#endif + gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } -wxString wxTextCtrl::GetLineText( long lineNo ) const +void wxTextCtrl::Replace( long from, long to, const wxString &value ) { - 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 ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + Remove( from, to ); - if (text) + if (!value.IsEmpty()) { - wxString buf(""); - 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]; - - g_free( text ); - return buf; +#ifdef __WXGTK20__ + SetInsertionPoint( from ); + WriteText( value ); +#else // GTK 1.x + gint pos = (gint)from; +#if wxUSE_UNICODE + 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 ); +#endif // wxUSE_UNICODE +#endif // GTK 1.x/2.x } - else - return wxEmptyString; - } - else - { - if (lineNo == 0) return GetValue(); - return wxEmptyString; - } } -void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) +void wxTextCtrl::Cut() { - wxFAIL_MSG( "wxTextCtrl::OnDropFiles not implemented" ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + +#ifndef __WXGTK20__ + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); +#endif } -long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const +void wxTextCtrl::Copy() { - if (!(m_windowStyle & wxTE_MULTILINE)) - return 0; - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - if(!text) - return 0; - if( pos >= len) - return pos=len-1; - - *x=1; // Col 1 - *y=1; // Line 1 - for (int i = 0; i < pos; i++ ) - { - if (text[i] == '\n') - { - (*y)++; - *x=1; - } - else - (*x)++; - } - g_free( text ); - return 1; + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + +#ifndef __WXGTK20__ + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); +#endif } -long wxTextCtrl::XYToPosition(long x, long y ) const +void wxTextCtrl::Paste() { - if (!(m_windowStyle & wxTE_MULTILINE)) - return 0; - long pos=0; - - for(int i=1;ihas_selection) ) + { + haveSelection = TRUE; + from = (long) GTK_EDITABLE(m_text)->selection_start_pos; + to = (long) GTK_EDITABLE(m_text)->selection_end_pos; + } +#endif + + if (! haveSelection ) + from = to = GetInsertionPoint(); + + if ( from > to ) + { + // exchange them to be compatible with wxMSW + gint tmp = from; + from = to; + to = tmp; + } + + if ( fromOut ) + *fromOut = from; + if ( toOut ) + *toOut = to; +} + - if (text) +bool wxTextCtrl::IsEditable() const +{ + wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) { - int currentLine = 0; - for (int i = 0; i < len; i++ ) - if (text[i] == '\n') - currentLine++; - - g_free( text ); - return currentLine; + return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)); } else - return 0; - } - else - { - return 1; - } + { + return gtk_editable_get_editable(GTK_EDITABLE(m_text)); + } +#else + return GTK_EDITABLE(m_text)->editable; +#endif } -void wxTextCtrl::SetInsertionPoint( long pos ) +bool wxTextCtrl::IsModified() const { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - int tmp = (int) pos; - if (m_windowStyle & wxTE_MULTILINE) - gtk_text_set_point( GTK_TEXT(m_text), tmp ); - else - gtk_entry_set_position( GTK_ENTRY(m_text), tmp ); + return m_modified; } -void wxTextCtrl::SetInsertionPointEnd() +void wxTextCtrl::Clear() { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - int pos = 0; - if (m_windowStyle & wxTE_MULTILINE) - pos = gtk_text_get_length( GTK_TEXT(m_text) ); - else - pos = GTK_ENTRY(m_text)->text_length; - SetInsertionPoint((pos-1)>0 ? (pos-1):0); + SetValue( wxT("") ); } -void wxTextCtrl::SetEditable( bool editable ) +void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - if (m_windowStyle & wxTE_MULTILINE) - gtk_text_set_editable( GTK_TEXT(m_text), editable ); - else - gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + if ((key_event.GetKeyCode() == 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.GetKeyCode() == 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(); } -void wxTextCtrl::SetSelection( long from, long to ) +GtkWidget* wxTextCtrl::GetConnectWidget() { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + return GTK_WIDGET(m_text); } -void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) +bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) { - wxFAIL_MSG( "wxTextCtrl::ShowPosition not implemented" ); + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork +#else + return (window == GTK_TEXT(m_text)->text_area); +#endif + } + else + { + return (window == GTK_ENTRY(m_text)->text_area); + } } -long wxTextCtrl::GetInsertionPoint() const +// the font will change for subsequent text insertiongs +bool wxTextCtrl::SetFont( const wxFont &font ) { - wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" ); - - return (long) GTK_EDITABLE(m_text)->current_pos; + wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + + if ( !wxTextCtrlBase::SetFont(font) ) + { + // font didn't change, nothing to do + return FALSE; + } + + if ( m_windowStyle & wxTE_MULTILINE ) + { + m_updateFont = TRUE; + + m_defaultStyle.SetFont(font); + + ChangeFontGlobally(); + } + + return TRUE; } -long wxTextCtrl::GetLastPosition() const +void wxTextCtrl::ChangeFontGlobally() { - wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" ); - - int pos = 0; - if (m_windowStyle & wxTE_MULTILINE) - pos = gtk_text_get_length( GTK_TEXT(m_text) ); - else - pos = GTK_ENTRY(m_text)->text_length; - return (long)pos-1; + // 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") ); + + wxString value = GetValue(); + if ( !value.IsEmpty() ) + { + m_updateFont = FALSE; + + Clear(); + AppendText(value); + } } -void wxTextCtrl::Remove( long from, long to ) +void wxTextCtrl::UpdateFontIfNeeded() { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + if ( m_updateFont ) + ChangeFontGlobally(); } -void wxTextCtrl::Replace( long from, long to, const wxString &value ) +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); - if (value.IsNull()) return; - gint pos = (gint)to; - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); + if ( !wxControl::SetForegroundColour(colour) ) + return FALSE; + + // update default fg colour too + m_defaultStyle.SetTextColour(colour); + + return TRUE; } -void wxTextCtrl::Cut() +bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - -#if (GTK_MINOR_VERSION == 1) - gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 ); + wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + + if ( !wxControl::SetBackgroundColour( colour ) ) + return FALSE; + + if (!m_widget->window) + return FALSE; + + wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ); + if (sysbg.Red() == colour.Red() && + sysbg.Green() == colour.Green() && + sysbg.Blue() == colour.Blue()) + { + return FALSE; // FIXME or TRUE? + } + + if (!m_backgroundColour.Ok()) + return FALSE; + + if (m_windowStyle & wxTE_MULTILINE) + { +#ifndef __WXGTK20__ + GdkWindow *window = GTK_TEXT(m_text)->text_area; + if (!window) + return FALSE; + m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); + gdk_window_set_background( window, m_backgroundColour.GetColor() ); + gdk_window_clear( window ); #endif + } + + // change active background color too + m_defaultStyle.SetBackgroundColour( colour ); + + return TRUE; } -void wxTextCtrl::Copy() +bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - -#if (GTK_MINOR_VERSION == 1) - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); + if ( m_windowStyle & wxTE_MULTILINE ) + { + if ( style.IsDefault() ) + { + // nothing to do + return TRUE; + } +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + gint l = gtk_text_buffer_get_char_count( text_buffer ); + + wxCHECK_MSG( start >= 0 && end <= l, FALSE, + _T("invalid range in wxTextCtrl::SetStyle") ); + + GtkTextIter starti, endi; + gtk_text_buffer_get_iter_at_offset( text_buffer, &starti, start ); + gtk_text_buffer_get_iter_at_offset( text_buffer, &endi, end ); + + // 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 + wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this); + + PangoFontDescription *font_description = attr.HasFont() + ? attr.GetFont().GetNativeFontInfo()->description + : NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + GtkTextTag *tag; + tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description, + "foreground-gdk", colFg, + "background-gdk", colBg, NULL ); + gtk_text_buffer_apply_tag( text_buffer, tag, &starti, &endi ); + + return TRUE; #else - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif -} + // VERY dirty way to do that - removes the required text and re-adds it + // with styling (FIXME) -void wxTextCtrl::Paste() -{ - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - -#if (GTK_MINOR_VERSION == 1) - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); + 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 - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); + 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 ); +#endif + return TRUE; + } + else // singe line + { + // cannot do this for GTK+'s Entry widget + return FALSE; + } } -void wxTextCtrl::Clear() +void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) { - SetValue( "" ); + gtk_widget_modify_style(m_text, style); } -void wxTextCtrl::OnChar( wxKeyEvent &key_event ) +void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) { - if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - event.SetEventObject(this); - if (GetEventHandler()->ProcessEvent(event)) return; - } - else if (key_event.KeyCode() == WXK_TAB) - { - wxNavigationKeyEvent event; - event.SetDirection( key_event.m_shiftDown ); - event.SetWindowChange(FALSE); - event.SetEventObject(this); + Cut(); +} - if (GetEventHandler()->ProcessEvent(event)) return; - } - key_event.Skip(); +void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + Copy(); } -int wxTextCtrl::overflow( int WXUNUSED(c) ) +void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) { - 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; + Paste(); } -int wxTextCtrl::sync() +void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) { - 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; + Undo(); } -int wxTextCtrl::underflow() +void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) { - return EOF; + Redo(); } -wxTextCtrl& wxTextCtrl::operator<<(const wxString& s) +void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) { - WriteText(s); - return *this; + event.Enable( CanCut() ); } -wxTextCtrl& wxTextCtrl::operator<<(float f) +void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) { - static char buf[100]; - sprintf(buf, "%.2f", f); - WriteText(buf); - return *this; + event.Enable( CanCopy() ); } -wxTextCtrl& wxTextCtrl::operator<<(double d) +void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) { - static char buf[100]; - sprintf(buf, "%.2f", d); - WriteText(buf); - return *this; + event.Enable( CanPaste() ); } -wxTextCtrl& wxTextCtrl::operator<<(int i) +void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) { - static char buf[100]; - sprintf(buf, "%i", i); - WriteText(buf); - return *this; + event.Enable( CanUndo() ); } -wxTextCtrl& wxTextCtrl::operator<<(long i) +void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) { - static char buf[100]; - sprintf(buf, "%ld", i); - WriteText(buf); - return *this; + event.Enable( CanRedo() ); } -wxTextCtrl& wxTextCtrl::operator<<(const char c) +void wxTextCtrl::OnInternalIdle() { - char buf[2]; + wxCursor cursor = m_cursor; + if (g_globalCursor.Ok()) cursor = g_globalCursor; + + if (cursor.Ok()) + { +#ifndef __WXGTK20__ + 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() ); +#endif + } + + if (g_delayedFocus == this) + { + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_grab_focus( m_widget ); + g_delayedFocus = NULL; + } + } - buf[0] = c; - buf[1] = 0; - WriteText(buf); - return *this; + if (wxUpdateUIEvent::CanUpdate(this)) + UpdateWindowUI(wxUPDATE_UI_FROMIDLE); } -GtkWidget* wxTextCtrl::GetConnectWidget() +wxSize wxTextCtrl::DoGetBestSize() const { - return GTK_WIDGET(m_text); + // FIXME should be different for multi-line controls... + wxSize ret( wxControl::DoGetBestSize() ); + return wxSize(80, ret.y); } -bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) +// ---------------------------------------------------------------------------- +// freeze/thaw +// ---------------------------------------------------------------------------- + +void wxTextCtrl::Freeze() +{ +#ifndef __WXGTK20__ + if ( HasFlag(wxTE_MULTILINE) ) + { + gtk_text_freeze(GTK_TEXT(m_text)); + } +#endif +} + +void wxTextCtrl::Thaw() { - if (m_windowStyle & wxTE_MULTILINE) - return (window == GTK_TEXT(m_text)->text_area); - else - return (window == GTK_ENTRY(m_text)->text_area); +#ifndef __WXGTK20__ + if ( HasFlag(wxTE_MULTILINE) ) + { + GTK_TEXT(m_text)->vadj->value = 0.0; + + gtk_text_thaw(GTK_TEXT(m_text)); + } +#endif } -void wxTextCtrl::SetFont( const wxFont &WXUNUSED(font) ) +// ---------------------------------------------------------------------------- +// scrolling +// ---------------------------------------------------------------------------- + +GtkAdjustment *wxTextCtrl::GetVAdj() const { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - // doesn't work +#ifdef __WXGTK20__ + return NULL; +#else + return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL; +#endif } -void wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - - // doesn't work +#ifndef __WXGTK20__ + 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"); + +#endif + return TRUE; } -void wxTextCtrl::SetBackgroundColour( const wxColour &colour ) +bool wxTextCtrl::ScrollLines(int lines) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); +#ifdef __WXGTK20__ + return FALSE; +#else + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; - wxControl::SetBackgroundColour( colour ); - - if (!m_backgroundColour.Ok()) return; - - if (m_windowStyle & wxTE_MULTILINE) - { - GdkWindow *window = GTK_TEXT(m_text)->text_area; - m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); - gdk_window_set_background( window, m_backgroundColour.GetColor() ); - gdk_window_clear( window ); - } + // 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); +#endif } -void wxTextCtrl::ApplyWidgetStyle() +bool wxTextCtrl::ScrollPages(int pages) { - if (m_windowStyle & wxTE_MULTILINE) - { - } - else - { - SetWidgetStyle(); - gtk_widget_set_style( m_text, m_widgetStyle ); - } +#ifdef __WXGTK20__ + return FALSE; +#else + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + return DoScroll(adj, (int)ceil(pages*adj->page_increment)); +#endif } + +// static +wxVisualAttributes +wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); +}