X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/247e5b1632de606eda8fb8f1bc46f9179ba56fb8..b77b87881bae2e6306366d79e7fe160334b3d4a2:/src/gtk/textctrl.cpp?ds=inline diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp index 8a2fcc6491..79726b054c 100644 --- a/src/gtk/textctrl.cpp +++ b/src/gtk/textctrl.cpp @@ -7,22 +7,29 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "textctrl.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/textctrl.h" #include "wx/utils.h" #include "wx/intl.h" +#include "wx/log.h" #include "wx/settings.h" +#include "wx/panel.h" +#include "wx/strconv.h" +#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) #include #include #include +#include // for fabs -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "gdk/gdkkeysyms.h" +#include "wx/gtk/private.h" +#include //----------------------------------------------------------------------------- // idle system @@ -37,24 +44,122 @@ extern bool g_isIdle; extern bool g_blockEventsOnDrag; extern wxCursor g_globalCursor; +extern wxWindowGTK *g_delayedFocus; + +// ---------------------------------------------------------------------------- +// helpers +// ---------------------------------------------------------------------------- + +#ifdef __WXGTK20__ +static void wxGtkTextInsert(GtkWidget *text, + GtkTextBuffer *text_buffer, + const wxTextAttr& attr, + wxCharBuffer buffer) + +{ + PangoFontDescription *font_description = attr.HasFont() + ? attr.GetFont().GetNativeFontInfo()->description + : NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + GtkTextTag *tag; + tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description, + "foreground-gdk", colFg, + "background-gdk", colBg, NULL ); + + GtkTextIter iter; + gtk_text_buffer_get_iter_at_mark( text_buffer, &iter, + gtk_text_buffer_get_insert (text_buffer) ); + + gtk_text_buffer_insert_with_tags( text_buffer, &iter, buffer, strlen(buffer), tag, NULL ); +} +#else +static void wxGtkTextInsert(GtkWidget *text, + const wxTextAttr& attr, + const char *txt, + size_t len) +{ + GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont() + : NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); +} +#endif // GTK 1.x + +// ---------------------------------------------------------------------------- +// "insert_text" for GtkEntry +// ---------------------------------------------------------------------------- + +static void +gtk_insert_text_callback(GtkEditable *editable, + const gchar *new_text, + gint new_text_length, + gint *position, + wxTextCtrl *win) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + // we should only be called if we have a max len limit at all + GtkEntry *entry = GTK_ENTRY (editable); + + wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") ); + + // check that we don't overflow the max length limit + // + // FIXME: this doesn't work when we paste a string which is going to be + // truncated + if ( entry->text_length == entry->text_max_length ) + { + // we don't need to run the base class version at all + gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text"); + + // remember that the next changed signal is to be ignored to avoid + // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event + win->IgnoreNextTextUpdate(); + + // and generate the correct one ourselves + wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId()); + event.SetEventObject(win); + event.SetString(win->GetValue()); + win->GetEventHandler()->ProcessEvent( event ); + } +} //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- static void -gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) +gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) { + if ( win->IgnoreTextUpdate() ) + return; + if (!win->m_hasVMT) return; if (g_isIdle) wxapp_install_idle_handler(); win->SetModified(); + win->UpdateFontIfNeeded(); wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); - event.SetString( win->GetValue() ); event.SetEventObject( win ); + event.SetString( win->GetValue() ); win->GetEventHandler()->ProcessEvent( event ); } @@ -62,6 +167,7 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) // "changed" from vertical scrollbar //----------------------------------------------------------------------------- +#ifndef __WXGTK20__ static void gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { @@ -72,6 +178,40 @@ gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) win->CalculateScrollbar(); } +#endif + +// ---------------------------------------------------------------------------- +// redraw callback for multiline text +// ---------------------------------------------------------------------------- + +#ifndef __WXGTK20__ + +// redrawing a GtkText from inside a wxYield() call results in crashes (the +// text sample shows it in its "Add lines" command which shows wxProgressDialog +// which implicitly calls wxYield()) so we override GtkText::draw() and simply +// don't do anything if we're inside wxYield() + +extern bool wxIsInsideYield; + +extern "C" { + typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect); +} + +static GtkDrawCallback gs_gtk_text_draw = NULL; + +extern "C" +void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) +{ + if ( !wxIsInsideYield ) + { + wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw, + _T("infinite recursion in wxgtk_text_draw aborted") ); + + gs_gtk_text_draw(widget, rect); + } +} + +#endif // __WXGTK20__ //----------------------------------------------------------------------------- // wxTextCtrl @@ -95,22 +235,37 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) END_EVENT_TABLE() -wxTextCtrl::wxTextCtrl() +void wxTextCtrl::Init() { + m_ignoreNextUpdate = m_modified = FALSE; + m_updateFont = FALSE; + m_text = + m_vScrollbar = (GtkWidget *)NULL; } -wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - int style, const wxValidator& validator, const wxString &name ) +wxTextCtrl::wxTextCtrl( wxWindow *parent, + wxWindowID id, + const wxString &value, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) { - m_modified = FALSE; + Init(); + Create( parent, id, value, pos, size, style, validator, name ); } -bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, - const wxPoint &pos, const wxSize &size, - 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; @@ -119,27 +274,48 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, !CreateBase( parent, id, pos, size, style, validator, name )) { wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); - return FALSE; + return FALSE; } m_vScrollbarVisible = FALSE; bool multi_line = (style & wxTE_MULTILINE) != 0; + +#ifdef __WXGTK20__ + GtkTextBuffer *buffer = NULL; +#endif + 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 +#ifdef __WXGTK20__ + // Create view + m_text = gtk_text_view_new(); + + buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + // create scrolled window + m_widget = gtk_scrolled_window_new( NULL, NULL ); + gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ), + GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); + + // Insert view into scrolled window + gtk_container_add( GTK_CONTAINER(m_widget), m_text ); - /* create our control ... */ + // Global settings which can be overridden by tags, I guess. + if (HasFlag( wxHSCROLL )) + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE ); + else + gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD ); + + if (!HasFlag(wxNO_BORDER)) + gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN ); +#else + // create our control ... m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) 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, @@ -147,86 +323,91 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, (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, GTK_FILL, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), 0, 0); +#endif } 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(); } - 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_focusWidget = m_text; + PostCreation(); + InheritAttributes(); + + 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 ); if (multi_line) gtk_widget_show(m_text); - /* we want to be notified about text changes */ - gtk_signal_connect( GTK_OBJECT(m_text), "changed", - GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); - +#ifndef __WXGTK20__ if (multi_line) { gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); + + // only initialize gs_gtk_text_draw once, starting from the next the + // klass::draw will already be wxgtk_text_draw + if ( !gs_gtk_text_draw ) + { + GtkDrawCallback& + draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw; + + gs_gtk_text_draw = draw; + + draw = wxgtk_text_draw; + } } +#endif // GTK+ 1.x if (!value.IsEmpty()) { - gint tmp = 0; +#ifdef __WXGTK20__ + SetValue( value ); +#else -#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 +#else gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); -#endif // Unicode/!Unicode +#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) )); } + +#endif } if (style & wxTE_PASSWORD) @@ -239,18 +420,45 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, { if (!multi_line) gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE ); +#ifdef __WXGTK20__ + else + gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE); + } +#else } else { if (multi_line) gtk_text_set_editable( GTK_TEXT(m_text), 1 ); } +#endif - SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ); - SetForegroundColour( parent->GetForegroundColour() ); + // We want to be notified about text changes. +#ifdef __WXGTK20__ + if (multi_line) + { + g_signal_connect( G_OBJECT(buffer), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + } + else +#endif + { + gtk_signal_connect( GTK_OBJECT(m_text), "changed", + GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); + } + + // we don't set a valid background colour, because the window + // manager should use a default one + m_backgroundColour = wxColour(); + + wxColour colFg = parent->GetForegroundColour(); + SetForegroundColour( colFg ); m_cursor = wxCursor( wxCURSOR_IBEAM ); - + + wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() ); + SetDefaultStyle( attrDef ); + Show( TRUE ); return TRUE; @@ -258,6 +466,7 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, void wxTextCtrl::CalculateScrollbar() { +#ifndef __WXGTK20__ if ((m_windowStyle & wxTE_MULTILINE) == 0) return; GtkAdjustment *adj = GTK_TEXT(m_text)->vadj; @@ -278,6 +487,7 @@ void wxTextCtrl::CalculateScrollbar() m_vScrollbarVisible = TRUE; } } +#endif } wxString wxTextCtrl::GetValue() const @@ -287,15 +497,35 @@ wxString wxTextCtrl::GetValue() const wxString tmp; if (m_windowStyle & wxTE_MULTILINE) { +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + GtkTextIter start; + gtk_text_buffer_get_start_iter( text_buffer, &start ); + GtkTextIter end; + gtk_text_buffer_get_end_iter( text_buffer, &end ); + gchar *text = gtk_text_buffer_get_text( text_buffer, &start, &end, TRUE ); + +#if wxUSE_UNICODE + wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) ); +#else + wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) ); +#endif + tmp = buffer; + + g_free( text ); +#else gint len = gtk_text_get_length( GTK_TEXT(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); - tmp = wxString(text,*wxConvCurrent); + tmp = text; g_free( text ); +#endif } 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; } @@ -303,138 +533,167 @@ void wxTextCtrl::SetValue( const wxString &value ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - wxString tmp = wxT(""); - if (!value.IsNull()) tmp = value; if (m_windowStyle & wxTE_MULTILINE) { +#ifdef __WXGTK20__ + +#if wxUSE_UNICODE + wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) ); +#else + wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) ); +#endif + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + gtk_text_buffer_set_text( text_buffer, buffer, strlen(buffer) ); + +#else gint len = gtk_text_get_length( GTK_TEXT(m_text) ); gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); len = 0; -#if wxUSE_UNICODE - wxWX2MBbuf tmpbuf = tmp.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len ); -#else - gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp.mbc_str(), tmp.Length(), &len ); + gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); #endif } else { - gtk_entry_set_text( GTK_ENTRY(m_text), tmp.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 + // customize this behaviour. + SetInsertionPoint(0); + + m_modified = FALSE; } void wxTextCtrl::WriteText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); - if (text.IsEmpty()) return; + if ( text.empty() ) + return; - if (m_windowStyle & wxTE_MULTILINE) + if ( m_windowStyle & wxTE_MULTILINE ) { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; +#ifdef __WXGTK20__ #if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); + wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); #else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); + wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); #endif + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + // TODO: Call whatever is needed to delete the selection. + wxGtkTextInsert( m_text, text_buffer, m_defaultStyle, buffer ); + + GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) ); + // Scroll to cursor, but only if scrollbar thumb is at the very bottom + if ( adj->value == adj->upper - adj->page_size ) + { + gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), + gtk_text_buffer_get_insert( text_buffer ), 0.0, FALSE, 0.0, 1.0 ); + } +#else // GTK 1.x + // After cursor movements, gtk_text_get_point() is wrong by one. + gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) ); + + // always use m_defaultStyle, even if it is empty as otherwise + // resetting the style and appending some more text wouldn't work: if + // we don't specify the style explicitly, the old style would be used + gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); + wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len()); + + // we called wxGtkTextInsert with correct font, no need to do anything + // in UpdateFontIfNeeded() any longer + if ( !text.empty() ) + { + m_updateFont = FALSE; + } - /* bring editable's cursor 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) )); +#endif // GTK 1.x/2.0 } - else + else // single line { - /* this moves the cursor pos to behind the inserted text */ - gint len = GTK_EDITABLE(m_text)->current_pos; + // First remove the selection if there is one + gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); + + // This moves the cursor pos to behind the inserted text. + gint len = GET_EDITABLE_POS(m_text); + +#ifdef __WXGTK20__ + #if wxUSE_UNICODE - wxWX2MBbuf buf = text.mbc_str(); - gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); + wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); #else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); + wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); #endif + gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); - /* bring editable's cursor uptodate. bug in GTK. */ - GTK_EDITABLE(m_text)->current_pos += text.Len(); +#else + gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len ); +#endif - /* 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 = TRUE; } 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 ) +#ifndef __WXGTK20__ + gint len = gtk_text_get_length( GTK_TEXT(m_text) ); + char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); + + if (text) { - gtk_text_insert( GTK_TEXT(m_text), - m_font.GetInternalFont(), - m_foregroundColour.GetColor(), - m_backgroundColour.GetColor(), - text.mbc_str(), text.length()); + wxString buf(wxT("")); + long i; + int currentLine = 0; + for (i = 0; currentLine != lineNo && text[i]; i++ ) + if (text[i] == '\n') + currentLine++; + // Now get the text + int j; + for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) + buf += text[i]; + g_free( text ); + return buf; } else { - /* 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 ); + return wxEmptyString; + } #else - gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); + GtkTextBuffer *text_buffer; + text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(m_text)); + GtkTextIter line; + gtk_text_buffer_get_iter_at_line(text_buffer,&line,lineNo); + GtkTextIter end; + gtk_text_buffer_get_end_iter(text_buffer,&end ); + gchar *text = gtk_text_buffer_get_text(text_buffer,&line,&end,TRUE); + wxString result(wxGTK_CONV_BACK(text)); + g_free(text); + return result.BeforeFirst(wxT('\n')); #endif - } - - /* 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) ) @@ -507,6 +766,11 @@ int wxTextCtrl::GetNumberOfLines() const { if (m_windowStyle & wxTE_MULTILINE) { +#ifdef __WXGTK20__ + GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + return gtk_text_buffer_get_line_count( buffer ); +#else gint len = gtk_text_get_length( GTK_TEXT(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); @@ -527,6 +791,7 @@ int wxTextCtrl::GetNumberOfLines() const { return 0; } +#endif } else { @@ -540,14 +805,17 @@ void wxTextCtrl::SetInsertionPoint( long pos ) if (m_windowStyle & wxTE_MULTILINE) { - /* seems to be broken in GTK 1.0.X: - gtk_text_set_point( GTK_TEXT(m_text), (int)pos ); */ - +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + GtkTextIter iter; + gtk_text_buffer_get_iter_at_offset( text_buffer, &iter, pos ); + gtk_text_buffer_place_cursor( text_buffer, &iter ); +#else 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; @@ -557,17 +825,16 @@ 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) )); +#endif } else { gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos ); - /* bring editable's cursor uptodate. bug in GTK. */ - - GTK_EDITABLE(m_text)->current_pos = pos; + // Bring editable's cursor uptodate. Bug in GTK. + SET_EDITABLE_POS(m_text, (guint32)pos); } } @@ -576,9 +843,20 @@ void wxTextCtrl::SetInsertionPointEnd() wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + GtkTextIter end; + gtk_text_buffer_get_end_iter( text_buffer, &end ); + gtk_text_buffer_place_cursor( text_buffer, &end ); +#else SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text))); +#endif + } else + { gtk_entry_set_position( GTK_ENTRY(m_text), -1 ); + } } void wxTextCtrl::SetEditable( bool editable ) @@ -586,9 +864,67 @@ void wxTextCtrl::SetEditable( bool editable ) wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable ); +#else gtk_text_set_editable( GTK_TEXT(m_text), editable ); +#endif + } else + { gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); + } +} + +bool wxTextCtrl::Enable( bool enable ) +{ + if (!wxWindowBase::Enable(enable)) + { + // nothing to do + return FALSE; + } + + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + SetEditable( enable ); +#else + gtk_text_set_editable( GTK_TEXT(m_text), enable ); + OnParentEnable(enable); +#endif + } + else + { + gtk_widget_set_sensitive( m_text, enable ); + } + + return TRUE; +} + +// wxGTK-specific: called recursively by Enable, +// to give widgets an oppprtunity to correct their colours after they +// have been changed by Enable +void wxTextCtrl::OnParentEnable( bool enable ) +{ + // If we have a custom background colour, we use this colour in both + // disabled and enabled mode, or we end up with a different colour under the + // text. + wxColour oldColour = GetBackgroundColour(); + if (oldColour.Ok()) + { + // Need to set twice or it'll optimize the useful stuff out + if (oldColour == * wxWHITE) + SetBackgroundColour(*wxBLACK); + else + SetBackgroundColour(*wxWHITE); + SetBackgroundColour(oldColour); + } +} + +void wxTextCtrl::MarkDirty() +{ + m_modified = TRUE; } void wxTextCtrl::DiscardEdits() @@ -596,23 +932,150 @@ void wxTextCtrl::DiscardEdits() 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") ); - gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + if (from == -1 && to == -1) + { + from = 0; + to = GetValue().Length(); + } + +#ifndef __WXGTK20__ + if ( (m_windowStyle & wxTE_MULTILINE) && + !GTK_TEXT(m_text)->line_start_cache ) + { + // tell the programmer that it didn't work + wxLogDebug(_T("Can't call SetSelection() before realizing the control")); + return; + } +#endif + + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + GtkTextIter fromi, toi; + gtk_text_buffer_get_iter_at_offset( buf, &fromi, from ); + gtk_text_buffer_get_iter_at_offset( buf, &toi, to ); + + gtk_text_buffer_place_cursor( buf, &toi ); + gtk_text_buffer_move_mark_by_name( buf, "selection_bound", &fromi ); +#else + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); +#endif + } + else + { + gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); + } } -void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) +void wxTextCtrl::ShowPosition( long pos ) { -// SetInsertionPoint( pos ); + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + GtkTextIter iter; + gtk_text_buffer_get_start_iter( buf, &iter ); + gtk_text_iter_set_offset( &iter, pos ); + GtkTextMark *mark = gtk_text_buffer_create_mark( buf, NULL, &iter, TRUE ); + gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 ); +#else // GTK 1.x + GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; + float totalLines = (float) GetNumberOfLines(); + long posX; + long posY; + PositionToXY(pos, &posX, &posY); + float posLine = (float) posY; + float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; + gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); +#endif // GTK 1.x/2.x + } } long wxTextCtrl::GetInsertionPoint() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); - return (long) GTK_EDITABLE(m_text)->current_pos; +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) + { + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + // There is no direct accessor for the cursor, but + // internally, the cursor is the "mark" called + // "insert" in the text view's btree structure. + + GtkTextMark *mark = gtk_text_buffer_get_insert( text_buffer ); + GtkTextIter cursor; + gtk_text_buffer_get_iter_at_mark( text_buffer, &cursor, mark ); + + return gtk_text_iter_get_offset( &cursor ); + } + else +#endif + { + return (long) GET_EDITABLE_POS(m_text); + } } long wxTextCtrl::GetLastPosition() const @@ -620,10 +1083,23 @@ long wxTextCtrl::GetLastPosition() const wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); int pos = 0; + if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + GtkTextIter end; + gtk_text_buffer_get_end_iter( text_buffer, &end ); + + pos = gtk_text_iter_get_offset( &end ); +#else pos = gtk_text_get_length( GTK_TEXT(m_text) ); +#endif + } else + { pos = GTK_ENTRY(m_text)->text_length; + } return (long)pos; } @@ -632,6 +1108,20 @@ void wxTextCtrl::Remove( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) + { + GtkTextBuffer * + text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + + GtkTextIter fromi, toi; + gtk_text_buffer_get_iter_at_offset( text_buffer, &fromi, from ); + gtk_text_buffer_get_iter_at_offset( text_buffer, &toi, to ); + + gtk_text_buffer_delete( text_buffer, &fromi, &toi ); + } + else // single line +#endif gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } @@ -639,17 +1129,22 @@ 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()) { +#ifdef __WXGTK20__ + SetInsertionPoint( from ); + WriteText( value ); +#else // GTK 1.x gint pos = (gint)from; #if wxUSE_UNICODE wxWX2MBbuf buf = value.mbc_str(); gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); #else gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); -#endif +#endif // wxUSE_UNICODE +#endif // GTK 1.x/2.x } } @@ -657,10 +1152,8 @@ 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 ); +#ifndef __WXGTK20__ + gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); #endif } @@ -668,10 +1161,8 @@ 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 ); +#ifndef __WXGTK20__ + gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); #endif } @@ -679,34 +1170,11 @@ 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 ); +#ifndef __WXGTK20__ + gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG ); #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) ; -} - -bool wxTextCtrl::CanPaste() const -{ - return IsEditable() ; -} - // Undo/redo void wxTextCtrl::Undo() { @@ -723,39 +1191,90 @@ void wxTextCtrl::Redo() bool wxTextCtrl::CanUndo() const { // TODO - wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); + //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); return FALSE; } bool wxTextCtrl::CanRedo() const { // TODO - wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); + //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)) - { - if (from) *from = 0; - if (to) *to = 0; - return; - } + gint from = -1; + gint to = -1; + bool haveSelection = FALSE; + +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) + { + GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (m_text)); + GtkTextIter ifrom, ito; + if ( gtk_text_buffer_get_selection_bounds(buffer, &ifrom, &ito) ) + { + haveSelection = TRUE; + from = gtk_text_iter_get_offset(&ifrom); + to = gtk_text_iter_get_offset(&ito); + } + } + else // not multi-line + { + if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text), + &from, &to) ) + { + haveSelection = TRUE; + } + } +#else // not GTK2 + 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; + } +#endif - if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos; - if (to) *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") ); +#ifdef __WXGTK20__ + if (m_windowStyle & wxTE_MULTILINE) + { + return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)); + } + else + { + return gtk_editable_get_editable(GTK_EDITABLE(m_text)); + } +#else return GTK_EDITABLE(m_text)->editable; +#endif } bool wxTextCtrl::IsModified() const @@ -772,13 +1291,35 @@ 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 & wxPROCESS_ENTER)) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); event.SetEventObject(this); + event.SetString(GetValue()); if (GetEventHandler()->ProcessEvent(event)) return; } + if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) + { + // This will invoke the dialog default action, such + // as the clicking the default button. + + wxWindow *top_frame = m_parent; + while (top_frame->GetParent() && !(top_frame->IsTopLevel())) + top_frame = top_frame->GetParent(); + + if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) + { + GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + + if (window->default_widget) + { + gtk_widget_activate (window->default_widget); + return; + } + } + } + key_event.Skip(); } @@ -790,9 +1331,17 @@ GtkWidget* wxTextCtrl::GetConnectWidget() bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) { if (m_windowStyle & wxTE_MULTILINE) + { +#ifdef __WXGTK20__ + return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork +#else return (window == GTK_TEXT(m_text)->text_area); +#endif + } else + { return (window == GTK_ENTRY(m_text)->text_area); + } } // the font will change for subsequent text insertiongs @@ -800,7 +1349,7 @@ bool wxTextCtrl::SetFont( const wxFont &font ) { 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; @@ -808,38 +1357,61 @@ bool wxTextCtrl::SetFont( const wxFont &font ) if ( m_windowStyle & wxTE_MULTILINE ) { - // for compatibility with other ports: the font is a global controls - // characteristic, so change the font globally - wxString value = GetValue(); - if ( !value.IsEmpty() ) - { - Clear(); + m_updateFont = TRUE; - AppendText(value); - } + m_defaultStyle.SetFont(font); + + ChangeFontGlobally(); } return TRUE; } -bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) +void wxTextCtrl::ChangeFontGlobally() { - wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); + // 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") ); - // doesn't work - return FALSE; + wxString value = GetValue(); + if ( !value.IsEmpty() ) + { + m_updateFont = FALSE; + + Clear(); + AppendText(value); + } +} + +void wxTextCtrl::UpdateFontIfNeeded() +{ + if ( m_updateFont ) + ChangeFontGlobally(); +} + +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) +{ + if ( !wxControl::SetForegroundColour(colour) ) + 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") ); - wxControl::SetBackgroundColour( colour ); + if ( !wxControl::SetBackgroundColour( colour ) ) + return FALSE; if (!m_widget->window) return FALSE; - wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); + wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ); if (sysbg.Red() == colour.Red() && sysbg.Green() == colour.Green() && sysbg.Blue() == colour.Blue()) @@ -852,17 +1424,112 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) if (m_windowStyle & wxTE_MULTILINE) { +#ifndef __WXGTK20__ GdkWindow *window = GTK_TEXT(m_text)->text_area; if (!window) return FALSE; m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); gdk_window_set_background( window, m_backgroundColour.GetColor() ); gdk_window_clear( window ); +#endif } + // change active background color too + m_defaultStyle.SetBackgroundColour( colour ); + return TRUE; } +bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) +{ + if ( m_windowStyle & wxTE_MULTILINE ) + { + if ( style.IsDefault() ) + { + // nothing to do + return TRUE; + } +#ifdef __WXGTK20__ + GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); + gint l = gtk_text_buffer_get_char_count( text_buffer ); + + wxCHECK_MSG( start >= 0 && end <= l, FALSE, + _T("invalid range in wxTextCtrl::SetStyle") ); + + GtkTextIter starti, endi; + gtk_text_buffer_get_iter_at_offset( text_buffer, &starti, start ); + gtk_text_buffer_get_iter_at_offset( text_buffer, &endi, end ); + + // use the attributes from style which are set in it and fall back + // first to the default style and then to the text control default + // colours for the others + wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this); + + PangoFontDescription *font_description = attr.HasFont() + ? attr.GetFont().GetNativeFontInfo()->description + : NULL; + + GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() + : NULL; + + GdkColor *colBg = attr.HasBackgroundColour() + ? attr.GetBackgroundColour().GetColor() + : NULL; + + GtkTextTag *tag; + tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description, + "foreground-gdk", colFg, + "background-gdk", colBg, NULL ); + gtk_text_buffer_apply_tag( text_buffer, tag, &starti, &endi ); + + return TRUE; +#else + // 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 ); +#endif + return TRUE; + } + else // singe line + { + // cannot do this for GTK+'s Entry widget + return FALSE; + } +} + void wxTextCtrl::ApplyWidgetStyle() { if (m_windowStyle & wxTE_MULTILINE) @@ -933,12 +1600,13 @@ void wxTextCtrl::OnInternalIdle() if (cursor.Ok()) { +#ifndef __WXGTK20__ GdkWindow *window = (GdkWindow*) NULL; - if (HasFlag(wxTE_MULTILINE)) + 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() ); @@ -948,5 +1616,121 @@ void wxTextCtrl::OnInternalIdle() window = m_widget->window; if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) gdk_window_set_cursor( window, cursor.GetCursor() ); +#endif + } + + if (g_delayedFocus == this) + { + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_grab_focus( m_widget ); + g_delayedFocus = NULL; + } + } + + 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); +} + +// ---------------------------------------------------------------------------- +// freeze/thaw +// ---------------------------------------------------------------------------- + +void wxTextCtrl::Freeze() +{ +#ifndef __WXGTK20__ + if ( HasFlag(wxTE_MULTILINE) ) + { + gtk_text_freeze(GTK_TEXT(m_text)); + } +#endif +} + +void wxTextCtrl::Thaw() +{ +#ifndef __WXGTK20__ + if ( HasFlag(wxTE_MULTILINE) ) + { + GTK_TEXT(m_text)->vadj->value = 0.0; + + gtk_text_thaw(GTK_TEXT(m_text)); } +#endif +} + +// ---------------------------------------------------------------------------- +// scrolling +// ---------------------------------------------------------------------------- + +GtkAdjustment *wxTextCtrl::GetVAdj() const +{ +#ifdef __WXGTK20__ + return NULL; +#else + return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL; +#endif } + +bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) +{ +#ifndef __WXGTK20__ + float value = adj->value + diff; + + if ( value < 0 ) + value = 0; + + float upper = adj->upper - adj->page_size; + if ( value > upper ) + value = upper; + + // did we noticeably change the scroll position? + if ( fabs(adj->value - value) < 0.2 ) + { + // well, this is what Robert does in wxScrollBar, so it must be good... + return FALSE; + } + + adj->value = value; + + gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); + +#endif + return TRUE; +} + +bool wxTextCtrl::ScrollLines(int lines) +{ +#ifdef __WXGTK20__ + return FALSE; +#else + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + // this is hardcoded to 10 in GTK+ 1.2 (great idea) + static const int KEY_SCROLL_PIXELS = 10; + + return DoScroll(adj, lines*KEY_SCROLL_PIXELS); +#endif +} + +bool wxTextCtrl::ScrollPages(int pages) +{ +#ifdef __WXGTK20__ + return FALSE; +#else + GtkAdjustment *adj = GetVAdj(); + if ( !adj ) + return FALSE; + + return DoScroll(adj, (int)ceil(pages*adj->page_increment)); +#endif +} +