X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6085b116d60c1f5e6b8a036aed1941477182867d..564c7fc4127c39472b32f80b32733eb6e3ade59c:/src/gtk1/textctrl.cpp diff --git a/src/gtk1/textctrl.cpp b/src/gtk1/textctrl.cpp index c738901fb5..ea289a657e 100644 --- a/src/gtk1/textctrl.cpp +++ b/src/gtk1/textctrl.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: textctrl.cpp +// Name: src/gtk1/textctrl.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,186 +7,348 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#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 "wx/intl.h" -#include "wx/settings.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/panel.h" + #include "wx/settings.h" + #include "wx/math.h" +#endif + +#include "wx/strconv.h" +#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) #include #include #include -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "gdk/gdkkeysyms.h" +#include "wx/gtk1/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 +// ---------------------------------------------------------------------------- + +extern "C" { +static void wxGtkTextInsert(GtkWidget *text, + const wxTextAttr& attr, + const char *txt, + size_t len) +{ + wxFont tmpFont; + GdkFont *font; + if (attr.HasFont()) + { + tmpFont = attr.GetFont(); + + // FIXME: if this crashes because tmpFont goes out of scope and the GdkFont is + // deleted, then we need to call gdk_font_ref on font. + // This is because attr.GetFont() now returns a temporary font since wxTextAttr + // no longer stores a wxFont object, for efficiency. + + font = tmpFont.GetInternalFont(); + } + else + font = NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); +} +} + +// ---------------------------------------------------------------------------- +// "insert_text" for GtkEntry +// ---------------------------------------------------------------------------- + +extern "C" { +static void +gtk_insert_text_callback(GtkEditable *editable, + const gchar *WXUNUSED(new_text), + gint WXUNUSED(new_text_length), + gint *WXUNUSED(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->HandleWindowEvent( event ); + } +} +} //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- +extern "C" { static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { - win->SetModified(); + if ( win->IgnoreTextUpdate() ) + return; - win->CalculateScrollbar(); + if (!win->m_hasVMT) return; + + if (g_isIdle) + wxapp_install_idle_handler(); - wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId ); - event.SetString( copystring(win->GetValue()) ); + win->SetModified(); + win->UpdateFontIfNeeded(); + + wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); - delete[] event.GetString(); + win->HandleWindowEvent( event ); +} } //----------------------------------------------------------------------------- -// "size_allocate" +// "changed" from vertical scrollbar //----------------------------------------------------------------------------- +extern "C" { static void -gtk_text_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* WXUNUSED(alloc), wxTextCtrl *win ) +gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { + if (!win->m_hasVMT) return; + + if (g_isIdle) + wxapp_install_idle_handler(); + win->CalculateScrollbar(); } +} + +// ---------------------------------------------------------------------------- +// redraw callback for multiline text +// ---------------------------------------------------------------------------- + +// 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" { +static 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); + } +} +} //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase) -BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) +BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase) 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() -#ifndef NO_TEXT_WINDOW_STREAM -wxTextCtrl::wxTextCtrl() : streambuf() +void wxTextCtrl::Init() { - if (allocate()) setp(base(),ebuf()); - - m_modified = FALSE; + m_ignoreNextUpdate = + m_modified = false; + SetUpdateFont(false); + m_text = + m_vScrollbar = (GtkWidget *)NULL; } -#else -wxTextCtrl::wxTextCtrl() + +wxTextCtrl::~wxTextCtrl() { - m_modified = FALSE; } -#endif -#ifndef NO_TEXT_WINDOW_STREAM -wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) : streambuf() +wxTextCtrl::wxTextCtrl( wxWindow *parent, + wxWindowID id, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) { - if (allocate()) setp(base(),ebuf()); + Init(); - m_modified = FALSE; - Create( parent, id, value, pos, size, style, validator, name ); -} -#else -wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) -{ - m_modified = FALSE; Create( parent, id, value, pos, size, style, validator, name ); } -#endif -bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) +bool wxTextCtrl::Create( wxWindow *parent, + wxWindowID id, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; + m_needParent = true; + m_acceptsFocus = true; - PreCreation( parent, id, pos, size, style, name ); + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); + return false; + } - SetValidator( validator ); - m_vScrollbarVisible = TRUE; + m_vScrollbarVisible = false; 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... + if (multi_line) + { + // 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); - // 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); - } + // 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); - gtk_widget_show( m_vScrollbar ); - - gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate", - GTK_SIGNAL_FUNC(gtk_text_size_callback), (gpointer)this ); } else { // a single-line text control: no need for scrollbars m_widget = - m_text = gtk_entry_new(); + m_text = gtk_entry_new(); } - wxSize newSize = size; - if (newSize.x == -1) newSize.x = 80; - if (newSize.y == -1) newSize.y = 26; - SetSize( newSize.x, newSize.y ); + m_parent->DoAddChild( this ); - m_parent->AddChild( this ); + m_focusWidget = m_text; - (m_parent->m_insertCallback)( m_parent, this ); + PostCreation(size); - PostCreation(); + if (multi_line) + gtk_widget_show(m_text); if (multi_line) { - gtk_widget_realize(m_text); - gtk_widget_show(m_text); - } + gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", + (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); - // 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); + // 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; + } + } - if (!value.IsNull()) + if (!value.empty()) { +#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; - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); - SetInsertionPointEnd(); +#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) )); + } } if (style & wxTE_PASSWORD) @@ -206,14 +368,19 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, gtk_text_set_editable( GTK_TEXT(m_text), 1 ); } - Show( TRUE ); + // 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); + + m_cursor = wxCursor( wxCURSOR_IBEAM ); - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); + wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); + SetDefaultStyle( attrDef ); - return TRUE; + return true; } + void wxTextCtrl::CalculateScrollbar() { if ((m_windowStyle & wxTE_MULTILINE) == 0) return; @@ -224,25 +391,23 @@ void wxTextCtrl::CalculateScrollbar() { if (m_vScrollbarVisible) { - gtk_widget_hide( m_vScrollbar ); - - m_vScrollbarVisible = FALSE; + gtk_widget_hide( m_vScrollbar ); + m_vScrollbarVisible = false; } } else { if (!m_vScrollbarVisible) { - gtk_widget_show( m_vScrollbar ); - - m_vScrollbarVisible = TRUE; + gtk_widget_show( m_vScrollbar ); + m_vScrollbarVisible = true; } } } wxString wxTextCtrl::GetValue() const { - wxCHECK_MSG( m_text != NULL, "", "invalid text ctrl" ); + wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); wxString tmp; if (m_windowStyle & wxTE_MULTILINE) @@ -254,204 +419,160 @@ wxString wxTextCtrl::GetValue() const } else { - tmp = gtk_entry_get_text( GTK_ENTRY(m_text) ); + tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) ); } + return tmp; } -void wxTextCtrl::SetValue( const wxString &value ) +void wxTextCtrl::DoSetValue( const wxString &value, int flags ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + if ( !(flags & SetValue_SendEvent) ) + { + // do not generate events + IgnoreNextTextUpdate(); + } - 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 ); + gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.length(), &len ); } else { - gtk_entry_set_text( GTK_ENTRY(m_text), tmp ); + gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) ); } -} -void wxTextCtrl::WriteText( const wxString &text ) -{ - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + // 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); - 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 ); - } + m_modified = false; } -bool wxTextCtrl::LoadFile( const wxString &file ) +void wxTextCtrl::WriteText( const wxString &text ) { - wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" ); - - if (!wxFileExists(file)) return FALSE; + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - Clear(); + if ( text.empty() ) + return; - FILE *fp = (FILE*) NULL; - struct stat statb; + // gtk_text_changed_callback() will set m_modified to true but m_modified + // shouldn't be changed by the program writing to the text control itself, + // so save the old value and restore when we're done + bool oldModified = m_modified; - 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) + if ( m_windowStyle & wxTE_MULTILINE ) { - } - fclose (fp); - - text[len] = 0; + // 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.length()); + + // we called wxGtkTextInsert with correct font, no need to do anything + // in UpdateFontIfNeeded() any longer + if ( !text.empty() ) + { + SetUpdateFont(false); + } - if (m_windowStyle & wxTE_MULTILINE) - { - gint pos = 0; - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, len, &pos ); + // Bring editable's cursor back uptodate. + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } - else + else // single line { - gtk_entry_set_text( GTK_ENTRY(m_text), text ); - } - - free (text); - m_modified = FALSE; - return TRUE; - } - return FALSE; -} + // First remove the selection if there is one + gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); -bool wxTextCtrl::SaveFile( const wxString &file ) -{ - wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" ); - - if (file == "") return FALSE; + // This moves the cursor pos to behind the inserted text. + gint len = GET_EDITABLE_POS(m_text); - FILE *fp; + gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.length(), &len ); - if (!(fp = fopen ((char*) (const char*) file, "w"))) - { - return FALSE; + // Bring entry's cursor uptodate. + gtk_entry_set_position( GTK_ENTRY(m_text), len ); } - else - { - char *text = (char*) NULL; - gint len = 0; - - if (m_windowStyle & wxTE_MULTILINE) - { - len = gtk_text_get_length( GTK_TEXT(m_text) ); - text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - } - else - { - text = gtk_entry_get_text( GTK_ENTRY(m_text) ); - } - - if (fwrite (text, sizeof (char), len, fp) != (size_t) len) - { - // Did not write whole file - } - - // Make sure newline terminates the file - if (text[len - 1] != '\n') - fputc ('\n', fp); - fclose (fp); - - if (m_windowStyle & wxTE_MULTILINE) g_free( text ); - - m_modified = FALSE; - return TRUE; - } + m_modified = oldModified; +} - return TRUE; +void wxTextCtrl::AppendText( const wxString &text ) +{ + SetInsertionPointEnd(); + WriteText( text ); } wxString wxTextCtrl::GetLineText( long lineNo ) const { - if (m_windowStyle & wxTE_MULTILINE) - { - gint len = gtk_text_get_length( GTK_TEXT(m_text) ); - char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - - if (text) + if (m_windowStyle & wxTE_MULTILINE) { - wxString buf(""); - long i; - int currentLine = 0; - for (i = 0; currentLine != lineNo && text[i]; i++ ) - if (text[i] == '\n') + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); + + if (text) + { + wxString buf; + long i; + int currentLine = 0; + for (i = 0; currentLine != lineNo && text[i]; i++ ) + if (text[i] == '\n') currentLine++; - // Now get the text - int j; - for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) - buf += text[i]; + // Now get the text + int j; + for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) + buf += text[i]; - g_free( text ); - return buf; + g_free( text ); + return buf; + } + else + { + return wxEmptyString; + } } else - return wxEmptyString; - } - else - { - if (lineNo == 0) return GetValue(); - return wxEmptyString; - } + { + if (lineNo == 0) return GetValue(); + return wxEmptyString; + } } void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) { - wxFAIL_MSG( "wxTextCtrl::OnDropFiles not implemented" ); + /* If you implement this, don't forget to update the documentation! + * (file docs/latex/wx/text.tex) */ + wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); } -long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const +bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const { if ( m_windowStyle & wxTE_MULTILINE ) { wxString text = GetValue(); // cast to prevent warning. But pos really should've been unsigned. - if( (unsigned long)pos > text.Len() ) - return FALSE; - - *x=1; // Col 1 - *y=1; // Line 1 + if( (unsigned long)pos > text.length() ) + return false; - if (pos == 0) - return TRUE; + *x=0; // First Col + *y=0; // First Line - const char* stop = text.c_str() + pos; - for ( const char *p = text.c_str(); p < stop; p++ ) + const wxChar* stop = text.c_str() + pos; + for ( const wxChar *p = text.c_str(); p < stop; p++ ) { - if (*p == '\n') + if (*p == wxT('\n')) { (*y)++; - *x=1; + *x=0; } else (*x)++; @@ -461,17 +582,17 @@ long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const { if ( pos <= GTK_ENTRY(m_text)->text_length ) { - *y = 1; + *y = 0; *x = pos; } else { // index out of bounds - return FALSE; + return false; } } - return TRUE; + return true; } long wxTextCtrl::XYToPosition(long x, long y ) const @@ -479,18 +600,16 @@ long wxTextCtrl::XYToPosition(long x, long y ) const if (!(m_windowStyle & wxTE_MULTILINE)) return 0; long pos=0; - /* This is a kludge; our XY values are 1-based, but GetLineLength() - * and --Text() start counting at 0. (and so say the docs) */ - for( int i=1; iline_start_cache ) + { + // tell the programmer that it didn't work + wxLogDebug(_T("Can't call SetSelection() before realizing the control")); + return; + } + + if (m_windowStyle & wxTE_MULTILINE) + { + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + } + else + { + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + } } -void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) +void wxTextCtrl::ShowPosition( long pos ) { - wxFAIL_MSG( "wxTextCtrl::ShowPosition not implemented" ); + if (m_windowStyle & wxTE_MULTILINE) + { + GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; + float totalLines = (float) GetNumberOfLines(); + long posX; + long posY; + PositionToXY(pos, &posX, &posY); + float posLine = (float) posY; + float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; + gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); + } } long wxTextCtrl::GetInsertionPoint() const { - wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" ); - - return (long) GTK_EDITABLE(m_text)->current_pos; + wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); + return (long) GET_EDITABLE_POS(m_text); } -long wxTextCtrl::GetLastPosition() const +wxTextPos wxTextCtrl::GetLastPosition() const { - wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" ); + wxCHECK_MSG( m_text != NULL, 0, wxT("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; + return (long)pos; } void wxTextCtrl::Remove( long from, long to ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } void wxTextCtrl::Replace( long from, long to, const wxString &value ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); - if (value.IsNull()) return; - gint pos = (gint)from; - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); + Remove( from, to ); + + if (!value.empty()) + { + 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 + } } void wxTextCtrl::Cut() { - 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 ); -#endif + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } void wxTextCtrl::Copy() { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); - -#if (GTK_MINOR_VERSION == 1) - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } void wxTextCtrl::Paste() { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); +} -#if (GTK_MINOR_VERSION == 1) - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif +// Undo/redo +void wxTextCtrl::Undo() +{ + // TODO + wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") ); +} + +void wxTextCtrl::Redo() +{ + // TODO + wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") ); +} + +bool wxTextCtrl::CanUndo() const +{ + // TODO + //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); + return false; +} + +bool wxTextCtrl::CanRedo() const +{ + // TODO + //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); + return false; +} + +// If the return values from and to are the same, there is no +// selection. +void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const +{ + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + + gint from = -1; + gint to = -1; + bool haveSelection = false; + + if ( (GTK_EDITABLE(m_text)->has_selection) ) + { + haveSelection = true; + from = (long) GTK_EDITABLE(m_text)->selection_start_pos; + to = (long) GTK_EDITABLE(m_text)->selection_end_pos; + } + + 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; +} + + +bool wxTextCtrl::IsEditable() const +{ + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); + return GTK_EDITABLE(m_text)->editable; +} + +bool wxTextCtrl::IsModified() const +{ + return m_modified; } void wxTextCtrl::Clear() { - SetValue( "" ); + SetValue( wxEmptyString ); } void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) + if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER)) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); event.SetEventObject(this); - if (GetEventHandler()->ProcessEvent(event)) return; + event.SetString(GetValue()); + if (HandleWindowEvent(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(); } -#ifndef NO_TEXT_WINDOW_STREAM -int wxTextCtrl::overflow( int WXUNUSED(c) ) +GtkWidget* wxTextCtrl::GetConnectWidget() { - int len = pptr() - pbase(); - char *txt = new char[len+1]; - strncpy(txt, pbase(), len); - txt[len] = '\0'; - (*this) << txt; - setp(pbase(), epptr()); - delete[] txt; - return EOF; + return GTK_WIDGET(m_text); } -int wxTextCtrl::sync() +bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) { - int len = pptr() - pbase(); - char *txt = new char[len+1]; - strncpy(txt, pbase(), len); - txt[len] = '\0'; - (*this) << txt; - setp(pbase(), epptr()); - delete[] txt; - return 0; + if (m_windowStyle & wxTE_MULTILINE) + { + return (window == GTK_TEXT(m_text)->text_area); + } + else + { + return (window == GTK_ENTRY(m_text)->text_area); + } } -int wxTextCtrl::underflow() +// the font will change for subsequent text insertiongs +bool wxTextCtrl::SetFont( const wxFont &font ) { - return EOF; + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); + + if ( !wxTextCtrlBase::SetFont(font) ) + { + // font didn't change, nothing to do + return false; + } + + if ( m_windowStyle & wxTE_MULTILINE ) + { + SetUpdateFont(true); + + m_defaultStyle.SetFont(font); + + ChangeFontGlobally(); + } + + return true; } -wxTextCtrl& wxTextCtrl::operator<<(const wxString& s) +void wxTextCtrl::ChangeFontGlobally() { - WriteText(s); - return *this; + // 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.empty() ) + { + SetUpdateFont(false); + + Clear(); + AppendText(value); + } } -wxTextCtrl& wxTextCtrl::operator<<(float f) +void wxTextCtrl::UpdateFontIfNeeded() { - static char buf[100]; - sprintf(buf, "%.2f", f); - WriteText(buf); - return *this; + if ( m_updateFont ) + ChangeFontGlobally(); } -wxTextCtrl& wxTextCtrl::operator<<(double d) +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { - static char buf[100]; - sprintf(buf, "%.2f", d); - WriteText(buf); - return *this; + if ( !wxControl::SetForegroundColour(colour) ) + return false; + + // update default fg colour too + m_defaultStyle.SetTextColour(colour); + + return true; } -wxTextCtrl& wxTextCtrl::operator<<(int i) +bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) { - static char buf[100]; - sprintf(buf, "%i", i); - WriteText(buf); - return *this; + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); + + if ( !wxControl::SetBackgroundColour( colour ) ) + return false; + + if (!m_widget->window) + return false; + + 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 ); + } + + // change active background color too + m_defaultStyle.SetBackgroundColour( colour ); + + return true; } -wxTextCtrl& wxTextCtrl::operator<<(long i) +bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) { - static char buf[100]; - sprintf(buf, "%ld", i); - WriteText(buf); - return *this; + if ( m_windowStyle & wxTE_MULTILINE ) + { + if ( style.IsDefault() ) + { + // nothing to do + return true; + } + + // VERY dirty way to do that - removes the required text and re-adds it + // with styling (FIXME) + + gint l = gtk_text_get_length( GTK_TEXT(m_text) ); + + wxCHECK_MSG( start >= 0 && end <= l, false, + _T("invalid range in wxTextCtrl::SetStyle") ); + + gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end ); + wxString tmp(text,*wxConvCurrent); + g_free( text ); + + gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); + gtk_editable_set_position( GTK_EDITABLE(m_text), start ); + + #if wxUSE_UNICODE + wxWX2MBbuf buf = tmp.mbc_str(); + const char *txt = buf; + size_t txtlen = strlen(buf); + #else + const char *txt = tmp; + size_t txtlen = tmp.length(); + #endif + + // use the attributes from style which are set in it and fall back + // first to the default style and then to the text control default + // colours for the others + wxGtkTextInsert(m_text, + wxTextAttr::Combine(style, m_defaultStyle, this), + txt, + txtlen); + + /* does not seem to help under GTK+ 1.2 !!! + gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ + SetInsertionPoint( old_pos ); + + return true; + } + + // else single line + // cannot do this for GTK+'s Entry widget + return false; } -wxTextCtrl& wxTextCtrl::operator<<(const char c) +void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) { - char buf[2]; + gtk_widget_modify_style(m_text, style); +} - buf[0] = c; - buf[1] = 0; - WriteText(buf); - return *this; +void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) +{ + Cut(); } -#endif -GtkWidget* wxTextCtrl::GetConnectWidget() +void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) { - return GTK_WIDGET(m_text); + Copy(); } -bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) +void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) { - if (m_windowStyle & wxTE_MULTILINE) - return (window == GTK_TEXT(m_text)->text_area); - else - return (window == GTK_ENTRY(m_text)->text_area); + 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::SetFont( const wxFont &WXUNUSED(font) ) +void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + event.Enable( CanCopy() ); +} - // doesn't work +void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) +{ + event.Enable( CanPaste() ); } -void wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + event.Enable( CanUndo() ); +} - // doesn't work +void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) +{ + event.Enable( CanRedo() ); } -void wxTextCtrl::SetBackgroundColour( const wxColour &colour ) +void wxTextCtrl::OnInternalIdle() { - wxCHECK_RET( m_text != NULL, "invalid text ctrl" ); + wxCursor cursor = m_cursor; + if (g_globalCursor.Ok()) cursor = g_globalCursor; + + if (cursor.Ok()) + { + GdkWindow *window = (GdkWindow*) NULL; + if (HasFlag(wxTE_MULTILINE)) + window = GTK_TEXT(m_text)->text_area; + else + window = GTK_ENTRY(m_text)->text_area; + + if (window) + gdk_window_set_cursor( window, cursor.GetCursor() ); - wxControl::SetBackgroundColour( colour ); + if (!g_globalCursor.Ok()) + cursor = *wxSTANDARD_CURSOR; - wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); - if (sysbg.Red() == colour.Red() && - sysbg.Green() == colour.Green() && - sysbg.Blue() == colour.Blue()) + window = m_widget->window; + if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) + gdk_window_set_cursor( window, cursor.GetCursor() ); + } + + if (g_delayedFocus == this) { - return; + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_grab_focus( m_widget ); + g_delayedFocus = NULL; + } } - if (!m_backgroundColour.Ok()) return; + if (wxUpdateUIEvent::CanUpdate(this)) + UpdateWindowUI(wxUPDATE_UI_FROMIDLE); +} + +wxSize wxTextCtrl::DoGetBestSize() const +{ + // FIXME should be different for multi-line controls... + wxSize ret( wxControl::DoGetBestSize() ); + wxSize best(80, ret.y); + CacheBestSize(best); + return best; +} - if (m_windowStyle & wxTE_MULTILINE) +// ---------------------------------------------------------------------------- +// freeze/thaw +// ---------------------------------------------------------------------------- + +void wxTextCtrl::DoFreeze() +{ + if ( HasFlag(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 ); + gtk_text_freeze(GTK_TEXT(m_text)); } } -void wxTextCtrl::ApplyWidgetStyle() +void wxTextCtrl::DoThaw() { - if (m_windowStyle & wxTE_MULTILINE) + if ( HasFlag(wxTE_MULTILINE) ) { - // how ? + GTK_TEXT(m_text)->vadj->value = 0.0; + + gtk_text_thaw(GTK_TEXT(m_text)); } - else +} + +// ---------------------------------------------------------------------------- +// scrolling +// ---------------------------------------------------------------------------- + +GtkAdjustment *wxTextCtrl::GetVAdj() const +{ + if ( !IsMultiLine() ) + return NULL; + + return GTK_TEXT(m_text)->vadj; +} + +bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) +{ + float value = adj->value + diff; + + if ( value < 0 ) + value = 0; + + float upper = adj->upper - adj->page_size; + if ( value > upper ) + value = upper; + + // did we noticeably change the scroll position? + if ( fabs(adj->value - value) < 0.2 ) { - SetWidgetStyle(); - gtk_widget_set_style( m_text, m_widgetStyle ); + // well, this is what Robert does in wxScrollBar, so it must be good... + return false; } + + adj->value = value; + gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); + + return true; } +bool wxTextCtrl::ScrollLines(int lines) +{ + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return false; + + // this is hardcoded to 10 in GTK+ 1.2 (great idea) + int diff = 10*lines; + + return DoScroll(adj, diff); +} + +bool wxTextCtrl::ScrollPages(int pages) +{ + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return false; + + return DoScroll(adj, (int)ceil(pages*adj->page_increment)); +} + + +// static +wxVisualAttributes +wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); +}