X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ce16e5d78fad60b6bbc6ef8889a663fd1c9f23d2..abd474ea63667f727940a009cc3e0b23ba9f418f:/src/gtk1/textctrl.cpp diff --git a/src/gtk1/textctrl.cpp b/src/gtk1/textctrl.cpp index c525be6c9c..7ce0d35e3d 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: $Id$ @@ -7,24 +7,31 @@ // 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/log.h" -#include "wx/settings.h" -#include "wx/panel.h" + +#ifndef WX_PRECOMP + #include "wx/app.h" + #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 "wx/evtloop.h" #include #include #include -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "gdk/gdkkeysyms.h" +#include "wx/gtk1/private.h" +#include //----------------------------------------------------------------------------- // idle system @@ -37,16 +44,99 @@ 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, wxT("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 ) { + if ( win->IgnoreTextUpdate() ) + return; + if (!win->m_hasVMT) return; if (g_isIdle) @@ -56,15 +146,16 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) win->UpdateFontIfNeeded(); wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); - event.SetString( win->GetValue() ); event.SetEventObject( win ); - win->GetEventHandler()->ProcessEvent( event ); + win->HandleWindowEvent( event ); +} } //----------------------------------------------------------------------------- // "changed" from vertical scrollbar //----------------------------------------------------------------------------- +extern "C" { static void gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { @@ -75,124 +166,42 @@ gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) win->CalculateScrollbar(); } +} -//----------------------------------------------------------------------------- -// "focus_in_event" -//----------------------------------------------------------------------------- - -wxWindow *FindFocusedChild(wxWindow *win); -extern wxWindow *g_focusWindow; -extern bool g_blockEventsOnDrag; -// extern bool g_isIdle; - -static gint gtk_text_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) -{ - // Necessary? -#if 0 - if (g_isIdle) - wxapp_install_idle_handler(); -#endif - if (!win->m_hasVMT) return FALSE; - if (g_blockEventsOnDrag) return FALSE; - - g_focusWindow = win; - - wxPanel *panel = wxDynamicCast(win->GetParent(), wxPanel); - if (panel) - { - panel->SetLastFocus(win); - } - -#ifdef HAVE_XIM - if (win->m_ic) - gdk_im_begin(win->m_ic, win->m_wxwindow->window); -#endif - -#if 0 -#ifdef wxUSE_CARET - // caret needs to be informed about focus change - wxCaret *caret = win->GetCaret(); - if ( caret ) - { - caret->OnSetFocus(); - } -#endif // wxUSE_CARET -#endif - - wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() ); - event.SetEventObject( win ); +// ---------------------------------------------------------------------------- +// redraw callback for multiline text +// ---------------------------------------------------------------------------- - if (win->GetEventHandler()->ProcessEvent( event )) - { - gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" ); - return TRUE; - } +// 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() - return FALSE; +extern "C" { + typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect); } -//----------------------------------------------------------------------------- -// "focus_out_event" -//----------------------------------------------------------------------------- +static GtkDrawCallback gs_gtk_text_draw = NULL; -static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) +extern "C" { +static void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) { -#if 0 - if (g_isIdle) - wxapp_install_idle_handler(); -#endif - - if (!win->m_hasVMT) return FALSE; - if (g_blockEventsOnDrag) return FALSE; - -#if 0 - // if the focus goes out of our app alltogether, OnIdle() will send - // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset - // g_sendActivateEvent to -1 - g_sendActivateEvent = 0; -#endif - - wxWindow *winFocus = FindFocusedChild(win); - if ( winFocus ) - win = winFocus; - - g_focusWindow = (wxWindow *)NULL; - -#ifdef HAVE_XIM - if (win->m_ic) - gdk_im_end(); -#endif - -#if 0 -#ifdef wxUSE_CARET - // caret needs to be informed about focus change - wxCaret *caret = win->GetCaret(); - if ( caret ) + wxEventLoopBase* loop = wxEventLoopBase::GetActive(); + if ( loop && !loop->IsYielding() ) { - caret->OnKillFocus(); - } -#endif // wxUSE_CARET -#endif - - wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() ); - event.SetEventObject( win ); + wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw, + wxT("infinite recursion in wxgtk_text_draw aborted") ); - if (win->GetEventHandler()->ProcessEvent( event )) - { - gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_out_event" ); - return TRUE; + gs_gtk_text_draw(widget, rect); } - - return FALSE; +} } //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) - -BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) +BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase) EVT_CHAR(wxTextCtrl::OnChar) EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) @@ -210,10 +219,15 @@ END_EVENT_TABLE() void wxTextCtrl::Init() { - m_modified = FALSE; - m_updateFont = FALSE; + m_ignoreNextUpdate = + m_modified = false; + SetUpdateFont(false); m_text = - m_vScrollbar = (GtkWidget *)NULL; + m_vScrollbar = NULL; +} + +wxTextCtrl::~wxTextCtrl() +{ } wxTextCtrl::wxTextCtrl( wxWindow *parent, @@ -239,34 +253,28 @@ bool wxTextCtrl::Create( wxWindow *parent, const wxValidator& validator, const wxString &name ) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; + 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; + return false; } - m_vScrollbarVisible = FALSE; + m_vScrollbarVisible = false; bool multi_line = (style & wxTE_MULTILINE) != 0; + if (multi_line) { -#if (GTK_MINOR_VERSION > 2) - /* a multi-line edit control: create a vertical scrollbar by default and - horizontal if requested */ - bool bHasHScrollbar = (style & wxHSCROLL) != 0; -#else - bool bHasHScrollbar = FALSE; -#endif - - /* create our control ... */ - m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); + // create our control ... + m_text = gtk_text_new( NULL, NULL ); - /* ... and put into the upper left hand corner of the table */ + // ... 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, @@ -274,27 +282,10 @@ bool wxTextCtrl::Create( wxWindow *parent, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), 0, 0); - /* always wrap words */ + // 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); - - /* 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 */ + // 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, @@ -304,25 +295,16 @@ bool wxTextCtrl::Create( wxWindow *parent, } else { - /* a single-line text control: no need for scrollbars */ + // a single-line text control: no need for scrollbars m_widget = - m_text = gtk_entry_new(); + m_text = gtk_entry_new(); } m_parent->DoAddChild( this ); - PostCreation(); - - SetFont( parent->GetFont() ); + m_focusWidget = m_text; - wxSize size_best( DoGetBestSize() ); - wxSize new_size( size ); - if (new_size.x == -1) - new_size.x = size_best.x; - if (new_size.y == -1) - new_size.y = size_best.y; - if ((new_size.x != size.x) || (new_size.y != size.y)) - SetSize( new_size.x, new_size.y ); + PostCreation(size); if (multi_line) gtk_widget_show(m_text); @@ -332,43 +314,39 @@ bool wxTextCtrl::Create( wxWindow *parent, gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); - gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_in_event", - GTK_SIGNAL_FUNC(gtk_text_focus_in_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; - gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_out_event", - GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this ); - } - else - { - gtk_signal_connect( GTK_OBJECT(m_text), "focus_in_event", - GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this ); + gs_gtk_text_draw = draw; - gtk_signal_connect( GTK_OBJECT(m_text), "focus_out_event", - GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this ); + draw = wxgtk_text_draw; + } } - if (!value.IsEmpty()) + if (!value.empty()) { - gint tmp = 0; - -#if GTK_MINOR_VERSION == 0 +#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 // !Unicode - gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); -#endif // Unicode/!Unicode +#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. */ - - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + // Bring editable's cursor uptodate. Bug in GTK. + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } } @@ -389,20 +367,19 @@ bool wxTextCtrl::Create( wxWindow *parent, gtk_text_set_editable( GTK_TEXT(m_text), 1 ); } - /* we want to be notified about text changes */ + // 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); - - SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ); - SetForegroundColour( parent->GetForegroundColour() ); + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); m_cursor = wxCursor( wxCURSOR_IBEAM ); - Show( TRUE ); + wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); + SetDefaultStyle( attrDef ); - return TRUE; + return true; } + void wxTextCtrl::CalculateScrollbar() { if ((m_windowStyle & wxTE_MULTILINE) == 0) return; @@ -414,7 +391,7 @@ void wxTextCtrl::CalculateScrollbar() if (m_vScrollbarVisible) { gtk_widget_hide( m_vScrollbar ); - m_vScrollbarVisible = FALSE; + m_vScrollbarVisible = false; } } else @@ -422,171 +399,150 @@ void wxTextCtrl::CalculateScrollbar() if (!m_vScrollbarVisible) { gtk_widget_show( m_vScrollbar ); - m_vScrollbarVisible = TRUE; + m_vScrollbarVisible = true; } } } -wxString wxTextCtrl::GetValue() const +wxString wxTextCtrl::DoGetValue() const { - wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); wxString tmp; if (m_windowStyle & wxTE_MULTILINE) { gint len = gtk_text_get_length( GTK_TEXT(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - tmp = wxString(text,*wxConvCurrent); + tmp = text; g_free( text ); } else { - tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConvCurrent); + 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, wxT("invalid text ctrl") ); + if ( !(flags & SetValue_SendEvent) ) + { + // do not generate events + IgnoreNextTextUpdate(); + } + 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 = value.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); -#endif + gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.length(), &len ); } else { - gtk_entry_set_text( GTK_ENTRY(m_text), value.mbc_str() ); + gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) ); } // GRG, Jun/2000: Changed this after a lot of discussion in - // the lists. wxWindows 2.2 will have a set of flags to + // the lists. wxWidgets 2.2 will have a set of flags to // customize this behaviour. SetInsertionPoint(0); - m_modified = FALSE; + m_modified = false; } void wxTextCtrl::WriteText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (text.IsEmpty()) return; + if ( text.empty() ) + return; - if (m_windowStyle & wxTE_MULTILINE) - { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; + // 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 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 + if ( m_windowStyle & wxTE_MULTILINE ) + { + // 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); + } - /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + // Bring editable's cursor back uptodate. + SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } - else + else // single line { - /* 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 + // 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); - /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos += text.Len(); + gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.length(), &len ); - /* bring entry's cursor uptodate. bug in GTK. */ - gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); + // Bring entry's cursor uptodate. + gtk_entry_set_position( GTK_ENTRY(m_text), len ); } + + m_modified = oldModified; } void wxTextCtrl::AppendText( const wxString &text ) { - wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - - if (text.IsEmpty()) return; + SetInsertionPointEnd(); + WriteText( text ); +} +wxString wxTextCtrl::GetLineText( long lineNo ) const +{ if (m_windowStyle & wxTE_MULTILINE) { - bool hasSpecialAttributes = m_font.Ok() || - m_foregroundColour.Ok() || - m_backgroundColour.Ok(); - if ( hasSpecialAttributes ) + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); + + if (text) { - gtk_text_insert( GTK_TEXT(m_text), - m_font.GetInternalFont(), - m_foregroundColour.GetColor(), - m_backgroundColour.GetColor(), - text.mbc_str(), text.length()); + 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 { - /* 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 + return wxEmptyString; } - - /* 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() ); - } -} - -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(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; + if (lineNo == 0) return GetValue(); + return wxEmptyString; } - else - return wxEmptyString; - } - else - { - if (lineNo == 0) return GetValue(); - return wxEmptyString; - } } void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) @@ -603,8 +559,8 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const wxString text = GetValue(); // cast to prevent warning. But pos really should've been unsigned. - if( (unsigned long)pos > text.Len() ) - return FALSE; + if( (unsigned long)pos > text.length() ) + return false; *x=0; // First Col *y=0; // First Line @@ -631,11 +587,11 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const else { // index out of bounds - return FALSE; + return false; } } - return TRUE; + return true; } long wxTextCtrl::XYToPosition(long x, long y ) const @@ -652,7 +608,7 @@ long wxTextCtrl::XYToPosition(long x, long y ) const int wxTextCtrl::GetLineLength(long lineNo) const { wxString str = GetLineText (lineNo); - return (int) str.Length(); + return (int) str.length(); } int wxTextCtrl::GetNumberOfLines() const @@ -690,16 +646,13 @@ void wxTextCtrl::SetInsertionPoint( long pos ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (m_windowStyle & wxTE_MULTILINE) + if ( IsMultiLine() ) { - /* seems to be broken in GTK 1.0.X: - gtk_text_set_point( GTK_TEXT(m_text), (int)pos ); */ - gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); /* we fake a set_point by inserting and deleting. as the user - isn't supposed to get to know about thos non-sense, we + isn't supposed to get to know about this non-sense, we disconnect so that no events are sent to the user program. */ gint tmp = (gint)pos; @@ -709,17 +662,15 @@ void wxTextCtrl::SetInsertionPoint( long pos ) gtk_signal_connect( GTK_OBJECT(m_text), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); - /* bring editable's cursor uptodate. another bug in GTK. */ - - GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); + // bring editable's cursor uptodate. Bug in GTK. + SET_EDITABLE_POS(m_text, 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 = (guint32)pos; + // Bring editable's cursor uptodate. Bug in GTK. + SET_EDITABLE_POS(m_text, (guint32)pos); } } @@ -728,9 +679,13 @@ void wxTextCtrl::SetInsertionPointEnd() wxCHECK_RET( m_text != NULL, wxT("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::SetEditable( bool editable ) @@ -738,19 +693,17 @@ void wxTextCtrl::SetEditable( bool editable ) wxCHECK_RET( m_text != NULL, wxT("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 ); + } } -bool wxTextCtrl::Enable( bool enable ) +void wxTextCtrl::DoEnable( bool enable ) { - if (!wxWindowBase::Enable(enable)) - { - // nothing to do - return FALSE; - } - if (m_windowStyle & wxTE_MULTILINE) { gtk_text_set_editable( GTK_TEXT(m_text), enable ); @@ -759,51 +712,159 @@ bool wxTextCtrl::Enable( bool enable ) { gtk_widget_set_sensitive( m_text, enable ); } +} + +// wxGTK-specific: called recursively by Enable, +// to give widgets an oppprtunity to correct their colours after they +// have been changed by Enable +void wxTextCtrl::OnEnabled( bool WXUNUSED(enable) ) +{ + if ( IsSingleLine() ) + return; - return TRUE; + // 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.IsOk()) + { + // Need to set twice or it'll optimize the useful stuff out + if (oldColour == * wxWHITE) + SetBackgroundColour(*wxBLACK); + else + SetBackgroundColour(*wxWHITE); + SetBackgroundColour(oldColour); + } +} + +void wxTextCtrl::MarkDirty() +{ + m_modified = true; } void wxTextCtrl::DiscardEdits() { - m_modified = FALSE; + m_modified = false; +} + +// ---------------------------------------------------------------------------- +// max text length support +// ---------------------------------------------------------------------------- + +void wxTextCtrl::IgnoreNextTextUpdate() +{ + m_ignoreNextUpdate = true; +} + +bool wxTextCtrl::IgnoreTextUpdate() +{ + if ( m_ignoreNextUpdate ) + { + m_ignoreNextUpdate = false; + + return true; + } + + return false; +} + +void wxTextCtrl::SetMaxLength(unsigned long len) +{ + if ( !HasFlag(wxTE_MULTILINE) ) + { + gtk_entry_set_max_length(GTK_ENTRY(m_text), len); + + // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if + // we had tried to enter more text than allowed by max text length and + // the text wasn't really changed + // + // to detect this and generate TEXT_MAXLEN event instead of + // TEXT_CHANGED one in this case we also catch "insert_text" signal + // + // when max len is set to 0 we disconnect our handler as it means that + // we shouldn't check anything any more + if ( len ) + { + gtk_signal_connect( GTK_OBJECT(m_text), + "insert_text", + GTK_SIGNAL_FUNC(gtk_insert_text_callback), + (gpointer)this); + } + else // no checking + { + gtk_signal_disconnect_by_func + ( + GTK_OBJECT(m_text), + GTK_SIGNAL_FUNC(gtk_insert_text_callback), + (gpointer)this + ); + } + } } void wxTextCtrl::SetSelection( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); + if (from == -1 && to == -1) + { + from = 0; + to = GetValue().length(); + } + 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")); + wxLogDebug(wxT("Can't call SetSelection() before realizing the control")); return; } - gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + 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 ) { -// SetInsertionPoint( pos ); + 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, wxT("invalid text ctrl") ); - - return (long) GTK_EDITABLE(m_text)->current_pos; + return (long) GET_EDITABLE_POS(m_text); } -long wxTextCtrl::GetLastPosition() const +wxTextPos wxTextCtrl::GetLastPosition() const { 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; } @@ -811,7 +872,6 @@ long wxTextCtrl::GetLastPosition() const void wxTextCtrl::Remove( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } @@ -819,72 +879,36 @@ void wxTextCtrl::Replace( long from, long to, const wxString &value ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + Remove( from, to ); - if (!value.IsEmpty()) + 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 + gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.length(), &pos ); +#endif // wxUSE_UNICODE } } void wxTextCtrl::Cut() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - -#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_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } void wxTextCtrl::Copy() { wxCHECK_RET( m_text != NULL, wxT("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 + gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } void wxTextCtrl::Paste() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - -#if (GTK_MINOR_VERSION > 0) - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); -#else - gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); -#endif -} - -bool wxTextCtrl::CanCopy() const -{ - // Can copy if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) ; -} - -bool wxTextCtrl::CanCut() const -{ - // Can cut if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) && (IsEditable()); -} - -bool wxTextCtrl::CanPaste() const -{ - return IsEditable() ; + gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } // Undo/redo @@ -903,39 +927,55 @@ void wxTextCtrl::Redo() bool wxTextCtrl::CanUndo() const { // TODO - wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); - return FALSE; + //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); + return false; } bool wxTextCtrl::CanRedo() const { // TODO - wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); - return FALSE; + //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); + return false; } // If the return values from and to are the same, there is no // selection. -void wxTextCtrl::GetSelection(long* from, long* to) const +void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (!(GTK_EDITABLE(m_text)->has_selection)) - { - long i = GetInsertionPoint(); - if (from) *from = i; - if (to) *to = i; - return; - } + 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 (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos; - if (to) *to = (long) GTK_EDITABLE(m_text)->selection_end_pos; + if ( fromOut ) + *fromOut = from; + if ( toOut ) + *toOut = to; } + bool wxTextCtrl::IsEditable() const { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); - + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); return GTK_EDITABLE(m_text)->editable; } @@ -946,32 +986,39 @@ bool wxTextCtrl::IsModified() const void wxTextCtrl::Clear() { - SetValue( wxT("") ); + SetValue( wxEmptyString ); } void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { 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); event.SetString(GetValue()); - if (GetEventHandler()->ProcessEvent(event)) return; + if (HandleWindowEvent(event)) return; } - if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) + 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(); - GtkWindow *window = GTK_WINDOW(top_frame->m_widget); - if (window->default_widget) + if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) { - gtk_widget_activate (window->default_widget); - return; + GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + + if (window->default_widget) + { + gtk_widget_activate (window->default_widget); + return; + } } } @@ -986,30 +1033,36 @@ GtkWidget* wxTextCtrl::GetConnectWidget() 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); + } } // the font will change for subsequent text insertiongs bool wxTextCtrl::SetFont( const wxFont &font ) { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); - if ( !wxWindowBase::SetFont(font) ) + if ( !wxTextCtrlBase::SetFont(font) ) { // font didn't change, nothing to do - return FALSE; + return false; } if ( m_windowStyle & wxTE_MULTILINE ) { - m_updateFont = TRUE; + SetUpdateFont(true); + + m_defaultStyle.SetFont(font); ChangeFontGlobally(); } - return TRUE; + return true; } void wxTextCtrl::ChangeFontGlobally() @@ -1017,15 +1070,16 @@ void wxTextCtrl::ChangeFontGlobally() // 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") ); + + wxT("shouldn't be called for single line controls") ); wxString value = GetValue(); - if ( !value.IsEmpty() ) + if ( !value.empty() ) { + SetUpdateFont(false); + Clear(); AppendText(value); - - m_updateFont = FALSE; } } @@ -1035,58 +1089,104 @@ void wxTextCtrl::UpdateFontIfNeeded() ChangeFontGlobally(); } -bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + if ( !wxControl::SetForegroundColour(colour) ) + return false; - // doesn't work - return FALSE; + // update default fg colour too + m_defaultStyle.SetTextColour(colour); + + return true; } bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); - wxControl::SetBackgroundColour( colour ); + if ( !wxControl::SetBackgroundColour( colour ) ) + return false; if (!m_widget->window) - return FALSE; - - wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); - if (sysbg.Red() == colour.Red() && - sysbg.Green() == colour.Green() && - sysbg.Blue() == colour.Blue()) - { - return FALSE; // FIXME or TRUE? - } + return false; - if (!m_backgroundColour.Ok()) - return FALSE; + if (!m_backgroundColour.IsOk()) + return false; if (m_windowStyle & wxTE_MULTILINE) { GdkWindow *window = GTK_TEXT(m_text)->text_area; if (!window) - return FALSE; + return false; m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); gdk_window_set_background( window, m_backgroundColour.GetColor() ); gdk_window_clear( window ); } - return TRUE; + // change active background color too + m_defaultStyle.SetBackgroundColour( colour ); + + return true; } -void wxTextCtrl::ApplyWidgetStyle() +bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) { - if (m_windowStyle & wxTE_MULTILINE) - { - // how ? - } - else + if ( m_windowStyle & wxTE_MULTILINE ) { - SetWidgetStyle(); - gtk_widget_set_style( m_text, m_widgetStyle ); + 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, + wxT("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; +} + +void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) +{ + gtk_widget_modify_style(m_text, style); } void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) @@ -1142,11 +1242,11 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) void wxTextCtrl::OnInternalIdle() { wxCursor cursor = m_cursor; - if (g_globalCursor.Ok()) cursor = g_globalCursor; + if (g_globalCursor.IsOk()) cursor = g_globalCursor; - if (cursor.Ok()) + if (cursor.IsOk()) { - GdkWindow *window = (GdkWindow*) NULL; + GdkWindow *window = NULL; if (HasFlag(wxTE_MULTILINE)) window = GTK_TEXT(m_text)->text_area; else @@ -1155,7 +1255,7 @@ void wxTextCtrl::OnInternalIdle() if (window) gdk_window_set_cursor( window, cursor.GetCursor() ); - if (!g_globalCursor.Ok()) + if (!g_globalCursor.IsOk()) cursor = *wxSTANDARD_CURSOR; window = m_widget->window; @@ -1163,12 +1263,111 @@ void wxTextCtrl::OnInternalIdle() gdk_window_set_cursor( window, cursor.GetCursor() ); } - UpdateWindowUI(); + if (g_delayedFocus == this) + { + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_grab_focus( m_widget ); + g_delayedFocus = NULL; + } + } + + if (wxUpdateUIEvent::CanUpdate(this)) + UpdateWindowUI(wxUPDATE_UI_FROMIDLE); } wxSize wxTextCtrl::DoGetBestSize() const { // FIXME should be different for multi-line controls... wxSize ret( wxControl::DoGetBestSize() ); - return wxSize(80, ret.y); + wxSize best(80, ret.y); + CacheBestSize(best); + return best; +} + +// ---------------------------------------------------------------------------- +// freeze/thaw +// ---------------------------------------------------------------------------- + +void wxTextCtrl::DoFreeze() +{ + if ( HasFlag(wxTE_MULTILINE) ) + { + gtk_text_freeze(GTK_TEXT(m_text)); + } +} + +void wxTextCtrl::DoThaw() +{ + if ( HasFlag(wxTE_MULTILINE) ) + { + GTK_TEXT(m_text)->vadj->value = 0.0; + + gtk_text_thaw(GTK_TEXT(m_text)); + } +} + +// ---------------------------------------------------------------------------- +// 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 ) + { + // 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); }