X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..c030b70fc6270c2e44a81f83e69fcc91d2b3c768:/src/gtk/textctrl.cpp diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 86eef711a7..c2fb43427b 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -2,10 +2,9 @@ // Name: textctrl.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -14,324 +13,561 @@ #include "wx/textctrl.h" #include "wx/utils.h" +#include + +#include +#include +#include //----------------------------------------------------------------------------- -// wxTextCtrl +// "changed" //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) - -void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { - win->m_modified = TRUE; -}; + 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 ); +} +//----------------------------------------------------------------------------- +// wxTextCtrl +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) -// EVT_CHAR(wxTextCtrl::OnChar) + EVT_CHAR(wxTextCtrl::OnChar) END_EVENT_TABLE() -wxTextCtrl::wxTextCtrl(void) : streambuf() +wxTextCtrl::wxTextCtrl() : streambuf() { + if (allocate()) setp(base(),ebuf()); + m_modified = FALSE; -}; +} wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, const wxPoint &pos, const wxSize &size, - int style, const wxString &name ) : streambuf() + int style, const wxValidator& validator, const wxString &name ) : streambuf() { + if (allocate()) setp(base(),ebuf()); + m_modified = FALSE; - Create( parent, id, value, pos, size, style, name ); -}; + 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 wxString &name ) + int style, const wxValidator& validator, const wxString &name ) { m_needParent = TRUE; PreCreation( parent, id, pos, size, style, name ); - if (style & wxTE_MULTILINE) - m_widget = gtk_text_new( NULL, NULL ); + SetValidator( validator ); + + bool multi_line = (style & wxTE_MULTILINE) != 0; + if ( multi_line ) + { + // 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, + (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), + (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), + 0, 0); + + // put the horizontal scrollbar in the lower left hand corner + if (bHasHScrollbar) + { + 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); + } + + // 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 - m_widget = gtk_entry_new(); + { + // 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 (multi_line) + { + gtk_widget_realize(m_text); + gtk_widget_show(m_text); + } + // we want to be notified about text changes - gtk_signal_connect(GTK_OBJECT(m_widget), "changed", + 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_widget), value, value.Length(), &tmp ); - }; + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); + SetInsertionPointEnd(); + } - if (style & wxREADONLY) + 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 (style & wxTE_MULTILINE) gtk_text_set_editable( GTK_TEXT(m_widget), 1 ); - }; + if (multi_line) + gtk_text_set_editable( GTK_TEXT(m_text), 1 ); + } Show( TRUE ); + SetBackgroundColour( parent->GetBackgroundColour() ); + SetForegroundColour( parent->GetForegroundColour() ); + return TRUE; -}; +} -wxString wxTextCtrl::GetValue(void) const +wxString wxTextCtrl::GetValue() 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_widget) ); - tmp = gtk_editable_get_chars( GTK_EDITABLE(m_widget), 0, len ); + 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_widget) ); - }; + tmp = gtk_entry_get_text( GTK_ENTRY(m_text) ); + } return tmp; -}; +} 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_widget) ); - gtk_editable_delete_text( GTK_EDITABLE(m_widget), 0, len ); + 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_widget), tmp, tmp.Length(), &len ); + gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len ); } else { - gtk_entry_set_text( GTK_ENTRY(m_widget), tmp ); - }; -}; + gtk_entry_set_text( GTK_ENTRY(m_text), tmp ); + } +} 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_widget) ); - gtk_editable_insert_text( GTK_EDITABLE(m_widget), text, text.Length(), &len ); + 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_widget), text ); - }; -}; + gtk_entry_append_text( GTK_ENTRY(m_text), text ); + } +} -bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) ) +bool wxTextCtrl::LoadFile( const wxString &file ) { - wxFAIL_MSG("wxTextCtrl::LoadFile not implemented"); + wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" ); - return FALSE; -}; + if (!wxFileExists(file)) return FALSE; -bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) ) -{ - wxFAIL_MSG("wxTextCtrl::SaveFile not implemented"); + 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 ); + } + else + { + gtk_entry_set_text( GTK_ENTRY(m_text), text ); + } + + free (text); + m_modified = FALSE; + return TRUE; + } return FALSE; -}; +} -bool wxTextCtrl::IsModified(void) +bool wxTextCtrl::SaveFile( const wxString &file ) { - return m_modified; -}; + wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" ); -void wxTextCtrl::DiscardEdits(void) -{ - m_modified = FALSE; -}; + if (file == "") return FALSE; + + FILE *fp; + + if (!(fp = fopen ((char*) (const char*) file, "w"))) + { + return FALSE; + } + else + { + 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); + + fclose (fp); + + if (m_windowStyle & wxTE_MULTILINE) g_free( text ); + + m_modified = FALSE; + return TRUE; + } + + return TRUE; +} -/* 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) + { + 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; + } + else + return wxEmptyString; + } + else + { + if (lineNo == 0) return GetValue(); + return wxEmptyString; + } +} -void wxTextCtrl::OnDropFiles( wxDropFilesEvent &event ) +void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) { -}; + wxFAIL_MSG( "wxTextCtrl::OnDropFiles not implemented" ); +} + +long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const +{ + 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; +} -long wxTextCtrl::PositionToXY( long pos, long *x, long *y ) const +long wxTextCtrl::XYToPosition(long x, long y ) const { -}; + if (!(m_windowStyle & wxTE_MULTILINE)) + return 0; + long pos=0; + + for(int i=1;itext_length; - SetInsertionPoint( pos-1 ); -}; + pos = GTK_ENTRY(m_text)->text_length; + SetInsertionPoint((pos-1)>0 ? (pos-1):0); +} void wxTextCtrl::SetEditable( bool editable ) { + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + if (m_windowStyle & wxTE_MULTILINE) - gtk_text_set_editable( GTK_TEXT(m_widget), editable ); + gtk_text_set_editable( GTK_TEXT(m_text), editable ); else - gtk_entry_set_editable( GTK_ENTRY(m_widget), editable ); -}; + gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); +} void wxTextCtrl::SetSelection( long from, long to ) { - gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to ); -}; + wxCHECK_RET( m_text != NULL, "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"); -}; + wxFAIL_MSG( "wxTextCtrl::ShowPosition not implemented" ); +} -long wxTextCtrl::GetInsertionPoint(void) const +long wxTextCtrl::GetInsertionPoint() const { - return (long) GTK_EDITABLE(m_widget)->current_pos; -}; + wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" ); -long wxTextCtrl::GetLastPosition(void) const + return (long) GTK_EDITABLE(m_text)->current_pos; +} + +long wxTextCtrl::GetLastPosition() const { + 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_widget) ); + pos = gtk_text_get_length( GTK_TEXT(m_text) ); else - pos = GTK_ENTRY(m_widget)->text_length; + pos = GTK_ENTRY(m_text)->text_length; return (long)pos-1; -}; +} void wxTextCtrl::Remove( long from, long to ) { - gtk_editable_delete_text( GTK_EDITABLE(m_widget), (gint)from, (gint)to ); -}; + wxCHECK_RET( m_text != NULL, "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 ) { - gtk_editable_delete_text( GTK_EDITABLE(m_widget), (gint)from, (gint)to ); + 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_widget), value, value.Length(), &pos ); -}; + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); +} -void wxTextCtrl::Cut(void) +void wxTextCtrl::Cut() { - gtk_editable_cut_clipboard( GTK_EDITABLE(m_widget), 0 ); -}; + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); -void wxTextCtrl::Copy(void) -{ - gtk_editable_copy_clipboard( GTK_EDITABLE(m_widget), 0 ); -}; +#if (GTK_MINOR_VERSION == 1) + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) ); +#else + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 ); +#endif +} -void wxTextCtrl::Paste(void) +void wxTextCtrl::Copy() { - gtk_editable_paste_clipboard( GTK_EDITABLE(m_widget), 0 ); -}; + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); -void wxTextCtrl::Delete(void) -{ - SetValue( "" ); -}; +#if (GTK_MINOR_VERSION == 1) + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); +#else + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); +#endif +} -void wxTextCtrl::OnChar( wxKeyEvent &WXUNUSED(event) ) +void wxTextCtrl::Paste() { -}; + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + +#if (GTK_MINOR_VERSION == 1) + gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); +#else + gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); +#endif +} -int wxTextCtrl::overflow(int c) +void wxTextCtrl::Clear() { - // Make sure there is a holding area - if ( allocate()==EOF ) - { - wxError("Streambuf allocation failed","Internal error"); - return EOF; - } + SetValue( "" ); +} - // Verify that there are no characters in get area - if ( gptr() && gptr() < egptr() ) +void wxTextCtrl::OnChar( wxKeyEvent &key_event ) +{ + if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) { - wxError("Who's trespassing my get area?","Internal error"); - return EOF; + wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); + event.SetEventObject(this); + if (GetEventHandler()->ProcessEvent(event)) return; } - - // Reset get area - setg(0,0,0); - - // Make sure there is a put area - if ( ! pptr() ) + else if (key_event.KeyCode() == WXK_TAB) { -/* This doesn't seem to be fatal so comment out error message */ -// wxError("Put area not opened","Internal error"); - setp( base(), base() ); - } - - // Determine how many characters have been inserted but no consumed - int plen = pptr() - pbase(); + wxNavigationKeyEvent event; + event.SetDirection( key_event.m_shiftDown ); + event.SetWindowChange(FALSE); + event.SetEventObject(this); - // Now Jerry relies on the fact that the buffer is at least 2 chars - // long, but the holding area "may be as small as 1" ??? - // And we need an additional \0, so let's keep this inefficient but - // safe copy. - - // If c!=EOF, it is a character that must also be comsumed - int xtra = c==EOF? 0 : 1; - - // Write temporary C-string to wxTextWindow - { - char *txt = new char[plen+xtra+1]; - memcpy(txt, pbase(), plen); - txt[plen] = (char)c; // append c - txt[plen+xtra] = '\0'; // append '\0' or overwrite c - // If the put area already contained \0, output will be truncated there - WriteText(txt); - delete[] txt; + if (GetEventHandler()->ProcessEvent(event)) return; } + key_event.Skip(); +} - // Reset put area - setp(pbase(), epptr()); - -#if defined(__WATCOMC__) - return __NOT_EOF; -#elif defined(zapeof) // HP-UX (all cfront based?) - return zapeof(c); -#else - return c!=EOF ? c : 0; // this should make everybody happy -#endif - -/* OLD CODE +int wxTextCtrl::overflow( int WXUNUSED(c) ) +{ int len = pptr() - pbase(); char *txt = new char[len+1]; strncpy(txt, pbase(), len); @@ -340,22 +576,10 @@ int wxTextCtrl::overflow(int c) setp(pbase(), epptr()); delete[] txt; return EOF; -*/ -}; +} -int wxTextCtrl::sync(void) +int wxTextCtrl::sync() { - // Verify that there are no characters in get area - if ( gptr() && gptr() < egptr() ) - { - wxError("Who's trespassing my get area?","Internal error"); - return EOF; - } - - if ( pptr() && pptr() > pbase() ) return overflow(EOF); - - return 0; -/* OLD CODE int len = pptr() - pbase(); char *txt = new char[len+1]; strncpy(txt, pbase(), len); @@ -364,13 +588,12 @@ int wxTextCtrl::sync(void) setp(pbase(), epptr()); delete[] txt; return 0; -*/ -}; +} -int wxTextCtrl::underflow(void) +int wxTextCtrl::underflow() { return EOF; -}; +} wxTextCtrl& wxTextCtrl::operator<<(const wxString& s) { @@ -420,3 +643,59 @@ wxTextCtrl& wxTextCtrl::operator<<(const char c) return *this; } +GtkWidget* wxTextCtrl::GetConnectWidget() +{ + 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); +} + +void wxTextCtrl::SetFont( const wxFont &WXUNUSED(font) ) +{ + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + + // doesn't work +} + +void wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +{ + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + + // doesn't work +} + +void wxTextCtrl::SetBackgroundColour( const wxColour &colour ) +{ + wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + + 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 ); + } +} + +void wxTextCtrl::ApplyWidgetStyle() +{ + if (m_windowStyle & wxTE_MULTILINE) + { + } + else + { + SetWidgetStyle(); + gtk_widget_set_style( m_text, m_widgetStyle ); + } +} +