X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c67daf87774c71ae9f73af9969008af220e52a11..9b73db3c34aefd98080b425459322fa821ae271f:/src/gtk/textctrl.cpp diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index e3c2deed14..9739c45681 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -2,9 +2,8 @@ // Name: textctrl.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -14,416 +13,952 @@ #include "wx/textctrl.h" #include "wx/utils.h" -#include +#include "wx/intl.h" +#include "wx/settings.h" + +#include +#include +#include + +#include "gdk/gdk.h" +#include "gtk/gtk.h" +#include "gdk/gdkkeysyms.h" //----------------------------------------------------------------------------- -// wxTextCtrl +// idle system //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) +extern void wxapp_install_idle_handler(); +extern bool g_isIdle; + +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; + +//----------------------------------------------------------------------------- +// "changed" +//----------------------------------------------------------------------------- -static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +static void +gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { - 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 ); + if (!win->m_hasVMT) return; + + if (g_isIdle) + wxapp_install_idle_handler(); + + win->SetModified(); + + wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); + event.SetString( win->GetValue() ); + event.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( event ); } +//----------------------------------------------------------------------------- +// "changed" from vertical scrollbar +//----------------------------------------------------------------------------- + +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(); +} + +//----------------------------------------------------------------------------- +// wxTextCtrl +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) + BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) - EVT_CHAR(wxTextCtrl::OnChar) + 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() -wxTextCtrl::wxTextCtrl(void) : streambuf() +wxTextCtrl::wxTextCtrl() { - if (allocate()) setp(base(),ebuf()); - - m_modified = FALSE; + m_modified = 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() + int style, const wxValidator& validator, const wxString &name ) { - if (allocate()) setp(base(),ebuf()); - - m_modified = FALSE; - Create( parent, id, value, pos, size, style, validator, name ); + m_modified = FALSE; + 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, int style, const wxValidator& validator, const wxString &name ) { - m_needParent = TRUE; + m_needParent = TRUE; + m_acceptsFocus = TRUE; - PreCreation( parent, id, pos, size, style, name ); + PreCreation( parent, id, pos, size, style, name ); - SetValidator( validator ); +#if wxUSE_VALIDATORS + SetValidator( validator ); +#endif // wxUSE_VALIDATORS - 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; - - // create our control... - m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); - - // ... 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, - GTK_FILL | GTK_EXPAND, - GTK_FILL | GTK_EXPAND | GTK_SHRINK, - 0, 0); + m_vScrollbarVisible = FALSE; - // put the horizontal scrollbar in the lower left hand corner - if (bHasHScrollbar) + bool multi_line = (style & wxTE_MULTILINE) != 0; + if (multi_line) { - GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj); - gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2, - GTK_EXPAND | GTK_FILL, +#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 ); + + /* ... and put into the upper left hand corner of the table */ + 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 ); + +#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 | GTK_SHRINK), GTK_FILL, 0, 0); - gtk_widget_show(hscrollbar); - } + gtk_widget_show(hscrollbar); - // 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, + /* don't wrap lines, otherwise we wouldn't need the scrollbar */ + gtk_text_set_line_wrap( GTK_TEXT(m_text), FALSE ); + } +#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 ); + gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1, GTK_FILL, - GTK_EXPAND | GTK_FILL | GTK_SHRINK, + (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(); - } + } + 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 ); + wxSize newSize = size; + if (newSize.x == -1) newSize.x = 80; + if (newSize.y == -1) newSize.y = 26; + SetSize( newSize.x, newSize.y ); - PostCreation(); + m_parent->DoAddChild( this ); - if (bMultiLine) - { - gtk_widget_realize(m_text); - gtk_widget_show(m_text); - } + PostCreation(); - // 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_widget_show(m_text); - if (!value.IsNull()) - { - gint tmp = 0; - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); - } + /* 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 (style & wxTE_READONLY) - { - } - else - { - if (bMultiLine) - gtk_text_set_editable( GTK_TEXT(m_text), 1 ); - } + if (multi_line) + { + gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", + (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); + } + + if (!value.IsEmpty()) + { + gint tmp = 0; + +#if GTK_MINOR_VERSION == 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 + +#if wxUSE_UNICODE + wxWX2MBbuf val = value.mbc_str(); + gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp ); +#else // !Unicode + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); +#endif // Unicode/!Unicode + + if (multi_line) + { + /* bring editable's cursor uptodate. bug in GTK. */ + + GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + } + } + + 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 ); + } + else + { + if (multi_line) + gtk_text_set_editable( GTK_TEXT(m_text), 1 ); + } + + SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ); + SetForegroundColour( parent->GetForegroundColour() ); - Show( TRUE ); + Show( TRUE ); - return TRUE; + return TRUE; } -wxString wxTextCtrl::GetValue(void) const +void wxTextCtrl::CalculateScrollbar() { - wxString tmp; - if (m_windowStyle & wxTE_MULTILINE) - { - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - tmp = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - } - else - { - tmp = gtk_entry_get_text( GTK_ENTRY(m_text) ); - } - return tmp; + 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; + } + } +} + +wxString wxTextCtrl::GetValue() const +{ + wxCHECK_MSG( m_text != NULL, _T(""), _T("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,*wxConvCurrent); + g_free( text ); + } + else + { + tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConvCurrent); + } + return tmp; } void wxTextCtrl::SetValue( const wxString &value ) { - 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 ); - } + wxCHECK_RET( m_text != NULL, _T("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(); + 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 ); +#endif + } + else + { + gtk_entry_set_text( GTK_ENTRY(m_text), tmp.mbc_str() ); + } + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); } void wxTextCtrl::WriteText( const wxString &text ) { - if (text.IsNull()) return; + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + if (text.IsEmpty()) return; + + gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + 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 = gtk_text_get_point( GTK_TEXT(m_text) ); + } + else + { + /* 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(); + + /* bring entry's cursor uptodate. bug in GTK. */ + gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); + } + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); +} + +void wxTextCtrl::AppendText( const wxString &text ) +{ + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + if (text.IsEmpty()) return; + gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + if (m_windowStyle & wxTE_MULTILINE) + { + bool hasSpecialAttributes = m_font.Ok() || + m_foregroundColour.Ok() || + m_backgroundColour.Ok(); + if ( hasSpecialAttributes ) + { + gtk_text_insert( GTK_TEXT(m_text), + m_font.GetInternalFont(), + m_foregroundColour.GetColor(), + m_backgroundColour.GetColor(), + text.mbc_str(), text.length()); + + } + else + { + /* 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 + } + + /* bring editable's cursor uptodate. bug in GTK. */ + GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + } + else + { + gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() ); + } + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); +} + +wxString wxTextCtrl::GetLineText( long lineNo ) const +{ 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 ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); + + if (text) + { + wxString buf(_T("")); + 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 { - gtk_entry_append_text( GTK_ENTRY(m_text), text ); + if (lineNo == 0) return GetValue(); + return wxEmptyString; } } -bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) ) +void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) { - wxFAIL_MSG( "wxTextCtrl::LoadFile not implemented" ); - - return FALSE; + /* If you implement this, don't forget to update the documentation! + * (file docs/latex/wx/text.tex) */ + wxFAIL_MSG( _T("wxTextCtrl::OnDropFiles not implemented") ); } -bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) ) +bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const { - wxFAIL_MSG( "wxTextCtrl::SaveFile not implemented" ); + 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 == _T('\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 FALSE; + return TRUE; } -/* -wxString wxTextCtrl::GetLineText( long lineNo ) const +long wxTextCtrl::XYToPosition(long x, long y ) const { -} + if (!(m_windowStyle & wxTE_MULTILINE)) return 0; + long pos=0; + for( int i=0; icurrent_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + } + else + { + gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos ); + + /* bring editable's cursor uptodate. bug in GTK. */ + + GTK_EDITABLE(m_text)->current_pos = pos; + } } -*/ -void wxTextCtrl::SetInsertionPoint( long pos ) +void wxTextCtrl::SetInsertionPointEnd() { - 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 ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + if (m_windowStyle & wxTE_MULTILINE) + SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text))); + else + gtk_entry_set_position( GTK_ENTRY(m_text), -1 ); } -void wxTextCtrl::SetInsertionPointEnd(void) +void wxTextCtrl::SetEditable( bool editable ) { - 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 ); + wxCHECK_RET( m_text != NULL, _T("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 ); } -void wxTextCtrl::SetEditable( bool editable ) +void wxTextCtrl::DiscardEdits() { - if (m_windowStyle & wxTE_MULTILINE) - gtk_text_set_editable( GTK_TEXT(m_text), editable ); - else - gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); + m_modified = FALSE; } void wxTextCtrl::SetSelection( long from, long to ) { - gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) { - wxFAIL_MSG(_("wxTextCtrl::ShowPosition not implemented")); +// SetInsertionPoint( pos ); } -long wxTextCtrl::GetInsertionPoint(void) const +long wxTextCtrl::GetInsertionPoint() const { - return (long) GTK_EDITABLE(m_text)->current_pos; + wxCHECK_MSG( m_text != NULL, 0, _T("invalid text ctrl") ); + + return (long) GTK_EDITABLE(m_text)->current_pos; } -long wxTextCtrl::GetLastPosition(void) const +long wxTextCtrl::GetLastPosition() const { - 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; + wxCHECK_MSG( m_text != NULL, 0, _T("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; } void wxTextCtrl::Remove( long from, long to ) { - gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); } void wxTextCtrl::Replace( long from, long to, const wxString &value ) { - 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 ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + + gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + + 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 ); +#else + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); +#endif + } + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); } -void wxTextCtrl::Cut(void) +void wxTextCtrl::Cut() { - gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + +#if (GTK_MINOR_VERSION > 0) + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) ); +#else + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 ); +#endif + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); } -void wxTextCtrl::Copy(void) +void wxTextCtrl::Copy() { - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + +#if (GTK_MINOR_VERSION > 0) + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); +#else + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); +#endif } -void wxTextCtrl::Paste(void) +void wxTextCtrl::Paste() { - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + +#if (GTK_MINOR_VERSION > 0) + gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); +#else + gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); +#endif + + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); } -void wxTextCtrl::Delete(void) +bool wxTextCtrl::CanCopy() const { - SetValue( "" ); + // Can copy if there's a selection + long from, to; + GetSelection(& from, & to); + return (from != to) ; } -void wxTextCtrl::OnChar( wxKeyEvent &key_event ) +bool wxTextCtrl::CanCut() const { - if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - event.SetEventObject(this); - printf( "Hallo.\n" ); - 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); + // Can cut if there's a selection + long from, to; + GetSelection(& from, & to); + return (from != to) ; +} - if (GetEventHandler()->ProcessEvent(event)) return; - } - key_event.Skip(); +bool wxTextCtrl::CanPaste() const +{ + return IsEditable() ; } -int wxTextCtrl::overflow( int WXUNUSED(c) ) +// Undo/redo +void wxTextCtrl::Undo() { - 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; + // TODO + wxFAIL_MSG( _T("wxTextCtrl::Undo not implemented") ); } -int wxTextCtrl::sync(void) +void wxTextCtrl::Redo() { - 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; + // TODO + wxFAIL_MSG( _T("wxTextCtrl::Redo not implemented") ); } -int wxTextCtrl::underflow(void) +bool wxTextCtrl::CanUndo() const { - return EOF; + // TODO + wxFAIL_MSG( _T("wxTextCtrl::CanUndo not implemented") ); + return FALSE; } -wxTextCtrl& wxTextCtrl::operator<<(const wxString& s) +bool wxTextCtrl::CanRedo() const { - WriteText(s); - return *this; + // TODO + wxFAIL_MSG( _T("wxTextCtrl::CanRedo not implemented") ); + return FALSE; } -wxTextCtrl& wxTextCtrl::operator<<(float f) +// If the return values from and to are the same, there is no +// selection. +void wxTextCtrl::GetSelection(long* from, long* to) const { - static char buf[100]; - sprintf(buf, "%.2f", f); - WriteText(buf); - return *this; + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); + + if (!(GTK_EDITABLE(m_text)->has_selection)) + { + if (from) *from = 0; + if (to) *to = 0; + return; + } + + if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos; + if (to) *to = (long) GTK_EDITABLE(m_text)->selection_end_pos; } -wxTextCtrl& wxTextCtrl::operator<<(double d) +bool wxTextCtrl::IsEditable() const { - static char buf[100]; - sprintf(buf, "%.2f", d); - WriteText(buf); - return *this; + wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); + + return GTK_EDITABLE(m_text)->editable; } -wxTextCtrl& wxTextCtrl::operator<<(int i) +bool wxTextCtrl::IsModified() const { - static char buf[100]; - sprintf(buf, "%i", i); - WriteText(buf); - return *this; + return m_modified; } -wxTextCtrl& wxTextCtrl::operator<<(long i) +void wxTextCtrl::Clear() { - static char buf[100]; - sprintf(buf, "%ld", i); - WriteText(buf); - return *this; + SetValue( _T("") ); } -wxTextCtrl& wxTextCtrl::operator<<(const char c) +void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { - char buf[2]; + wxCHECK_RET( m_text != NULL, _T("invalid text ctrl") ); - buf[0] = c; - buf[1] = 0; - WriteText(buf); - return *this; + 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; + } + + key_event.Skip(); } -GtkWidget* wxTextCtrl::GetConnectWidget(void) +GtkWidget* wxTextCtrl::GetConnectWidget() { - return GTK_WIDGET(m_text); + return GTK_WIDGET(m_text); } bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) { - if (m_windowStyle & wxTE_MULTILINE) - return (window == GTK_TEXT(m_text)->text_area); - else - return (window == GTK_ENTRY(m_text)->text_area); + if (m_windowStyle & wxTE_MULTILINE) + return (window == GTK_TEXT(m_text)->text_area); + else + return (window == GTK_ENTRY(m_text)->text_area); +} + +// the font will change for subsequent text insertiongs +bool wxTextCtrl::SetFont( const wxFont &font ) +{ + wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); + + if ( !wxWindowBase::SetFont(font) ) + { + // font didn't change, nothing to do + return FALSE; + } + + if ( m_windowStyle & wxTE_MULTILINE ) + { + // for compatibility with other ports: the font is a global controls + // characteristic, so change the font globally + wxString value = GetValue(); + if ( !value.IsEmpty() ) + { + Clear(); + + AppendText(value); + } + } + + return TRUE; +} + +bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +{ + wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); + + // doesn't work + return FALSE; +} + +bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) +{ + wxCHECK_MSG( m_text != NULL, FALSE, _T("invalid text ctrl") ); + + wxControl::SetBackgroundColour( colour ); + + if (!m_widget->window) + return FALSE; + + wxColour sysbg = wxSystemSettings::GetSystemColour( 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) + { + 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 ); + } + + return TRUE; +} + +void wxTextCtrl::ApplyWidgetStyle() +{ + if (m_windowStyle & wxTE_MULTILINE) + { + // how ? + } + else + { + SetWidgetStyle(); + gtk_widget_set_style( m_text, m_widgetStyle ); + } +} + +void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) +{ + Cut(); } +void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + Copy(); +} +void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) +{ + Paste(); +} + +void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) +{ + Undo(); +} +void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) +{ + Redo(); +} + +void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) +{ + event.Enable( CanCut() ); +} + +void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) +{ + event.Enable( CanCopy() ); +} + +void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) +{ + event.Enable( CanPaste() ); +} + +void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) +{ + event.Enable( CanUndo() ); +} + +void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) +{ + event.Enable( CanRedo() ); +}