+#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 <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include "wx/math.h"
+
+#include "wx/gtk/private.h"
+#include <gdk/gdkkeysyms.h>
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern wxCursor g_globalCursor;
+extern wxWindowGTK *g_delayedFocus;
+
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------
+
+#ifdef __WXGTK20__
+extern "C" {
+static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ GtkTextIter *start,
+ GtkTextIter *end,
+ gpointer user_data)
+{
+ gchar *name;
+ g_object_get (tag, "name", &name, NULL);
+
+ if (!name || strncmp(name, "WX", 2)) // anonymous tag or not starting with "WX"
+ g_signal_stop_emission_by_name(buffer, "remove_tag");
+
+ g_free(name);
+}
+}
+
+extern "C" {
+static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
+ const wxTextAttr& attr,
+ GtkTextIter *start,
+ GtkTextIter *end)
+{
+ static gchar buf[1024];
+ GtkTextTag *tag;
+
+ gulong remove_handler_id = g_signal_connect( text_buffer, "remove_tag",
+ G_CALLBACK(wxGtkOnRemoveTag), NULL);
+ gtk_text_buffer_remove_all_tags(text_buffer, start, end);
+ g_signal_handler_disconnect( text_buffer, remove_handler_id );
+
+ if (attr.HasFont())
+ {
+ char *font_string;
+ PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
+ font_string = pango_font_description_to_string(font_description);
+ g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string);
+ tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+ buf );
+ if (!tag)
+ tag = gtk_text_buffer_create_tag( text_buffer, buf,
+ "font-desc", font_description,
+ NULL );
+ gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
+ g_free (font_string);
+ }
+
+ if (attr.HasTextColour())
+ {
+ GdkColor *colFg = attr.GetTextColour().GetColor();
+ g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
+ colFg->red, colFg->green, colFg->blue);
+ tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+ buf );
+ if (!tag)
+ tag = gtk_text_buffer_create_tag( text_buffer, buf,
+ "foreground-gdk", colFg, NULL );
+ gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
+ }
+
+ if (attr.HasBackgroundColour())
+ {
+ GdkColor *colBg = attr.GetBackgroundColour().GetColor();
+ g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
+ colBg->red, colBg->green, colBg->blue);
+ tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+ buf );
+ if (!tag)
+ tag = gtk_text_buffer_create_tag( text_buffer, buf,
+ "background-gdk", colBg, NULL );
+ gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
+ }
+}
+}
+
+extern "C" {
+static void wxGtkTextInsert(GtkWidget *text,
+ GtkTextBuffer *text_buffer,
+ const wxTextAttr& attr,
+ wxCharBuffer buffer)
+
+{
+ gint start_offset;
+ GtkTextIter iter, start;
+
+ gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
+ gtk_text_buffer_get_insert (text_buffer) );
+ start_offset = gtk_text_iter_get_offset (&iter);
+ gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
+
+ gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
+
+ wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter);
+}
+}
+#else
+extern "C" {
+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
+// ----------------------------------------------------------------------------
+
+extern "C" {
+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 );
+ }
+}
+}
+
+#ifdef __WXGTK20__
+// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
+
+extern "C" {
+static void
+au_apply_tag_callback(GtkTextBuffer *buffer,
+ GtkTextTag *tag,
+ GtkTextIter *start,
+ GtkTextIter *end,
+ gpointer textctrl)
+{
+ if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
+ g_signal_stop_emission_by_name(buffer, "apply_tag");
+}
+}
+
+//-----------------------------------------------------------------------------
+// GtkTextCharPredicates for gtk_text_iter_*_find_char
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+pred_whitespace (gunichar ch, gpointer user_data)
+{
+ return g_unichar_isspace(ch);
+}
+}
+
+extern "C" {
+static gboolean
+pred_non_whitespace (gunichar ch, gpointer user_data)
+{
+ return !g_unichar_isspace(ch);
+}
+}
+
+extern "C" {
+static gboolean
+pred_nonpunct (gunichar ch, gpointer user_data)
+{
+ return !g_unichar_ispunct(ch);
+}
+}
+
+extern "C" {
+static gboolean
+pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
+{
+ return !g_unichar_ispunct(ch) || ch == '/';
+}
+}
+
+//-----------------------------------------------------------------------------
+// Check for links between s and e and correct tags as necessary
+//-----------------------------------------------------------------------------
+
+// This function should be made match better while being efficient at one point.
+// Most probably with a row of regular expressions.
+extern "C" {
+static void
+au_check_word( GtkTextIter *s, GtkTextIter *e )
+{
+ static const char *URIPrefixes[] =
+ {
+ "http://",
+ "ftp://",
+ "www.",
+ "ftp.",
+ "mailto://",
+ "https://",
+ "file://",
+ "nntp://",
+ "news://",
+ "telnet://",
+ "mms://",
+ "gopher://",
+ "prospero://",
+ "wais://",
+ };
+
+ GtkTextIter start = *s, end = *e;
+ GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
+
+ // Get our special link tag
+ GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
+
+ // Get rid of punctuation from beginning and end.
+ // Might want to move this to au_check_range if an improved link checking doesn't
+ // use some intelligent punctuation checking itself (beware of undesired iter modifications).
+ if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
+ gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
+
+ gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
+ gtk_text_iter_forward_char(&end);
+
+ gchar* text = gtk_text_iter_get_text( &start, &end );
+ size_t len = strlen(text), prefix_len;
+ size_t n;
+
+ for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
+ {
+ prefix_len = strlen(URIPrefixes[n]);
+ if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
+ break;
+ }
+
+ if(n < WXSIZEOF(URIPrefixes))
+ {
+ gulong signal_id = g_signal_handler_find(buffer,
+ (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
+ 0, 0, NULL,
+ (gpointer)au_apply_tag_callback, NULL);
+
+ g_signal_handler_block(buffer, signal_id);
+ gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
+ g_signal_handler_unblock(buffer, signal_id);
+ }
+}
+}
+
+extern "C" {
+static void
+au_check_range(GtkTextIter *s,
+ GtkTextIter *range_end)
+{
+ GtkTextIter range_start = *s;
+ GtkTextIter word_end;
+ GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
+ GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
+
+ gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
+
+ if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
+ gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
+
+ while(!gtk_text_iter_equal(&range_start, range_end))
+ {
+ word_end = range_start;
+ gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
+
+ // Now we should have a word delimited by range_start and word_end, correct link tags
+ au_check_word(&range_start, &word_end);
+
+ range_start = word_end;
+ gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
+ }
+}
+}
+
+//-----------------------------------------------------------------------------
+// "insert-text" for GtkTextBuffer
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+au_insert_text_callback(GtkTextBuffer *buffer,
+ GtkTextIter *end,
+ gchar *text,
+ gint len,
+ wxTextCtrl *win)
+{
+ if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
+ return;
+
+ GtkTextIter start = *end;
+ gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
+
+ GtkTextIter line_start = start;
+ GtkTextIter line_end = *end;
+ GtkTextIter words_start = start;
+ GtkTextIter words_end = *end;
+
+ gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
+ gtk_text_iter_forward_to_line_end(&line_end);
+ gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
+ gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
+
+ au_check_range(&words_start, &words_end);
+}
+}
+
+//-----------------------------------------------------------------------------
+// "delete-range" for GtkTextBuffer
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+au_delete_range_callback(GtkTextBuffer *buffer,
+ GtkTextIter *start,
+ GtkTextIter *end,
+ wxTextCtrl *win)
+{
+ if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
+ return;
+
+ GtkTextIter line_start = *start, line_end = *end;
+
+ gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
+ gtk_text_iter_forward_to_line_end(&line_end);
+ gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
+ gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
+
+ au_check_range(start, end);
+}
+}
+
+
+#endif
+
+//-----------------------------------------------------------------------------
+// "changed"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+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();
+#ifndef __WXGTK20__
+ win->UpdateFontIfNeeded();
+#endif // !__WXGTK20__
+
+ wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
+ event.SetEventObject( win );
+ win->GetEventHandler()->ProcessEvent( event );
+}
+}
+
+//-----------------------------------------------------------------------------
+// "expose_event" from scrolled window and textview
+//-----------------------------------------------------------------------------
+
+#ifdef __WXGTK20__
+extern "C" {
+static gboolean
+gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
+{
+ return TRUE;
+}
+}
+#endif
+
+//-----------------------------------------------------------------------------
+// "changed" from vertical scrollbar
+//-----------------------------------------------------------------------------
+
+#ifndef __WXGTK20__
+extern "C" {
+static void
+gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+{
+ if (!win->m_hasVMT) return;
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ win->CalculateScrollbar();
+}
+}
+#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" {
+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);
+ }
+}
+}
+
+#endif // __WXGTK20__
+
+//-----------------------------------------------------------------------------
+// wxTextCtrl
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
+
+BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+ 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)
+
+#ifdef __WXGTK20__
+ // wxTE_AUTO_URL wxTextUrl support. Currently only creates
+ // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
+ EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
+ EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
+ EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
+ EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
+ EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
+ EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
+ EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
+#endif
+END_EVENT_TABLE()
+
+void wxTextCtrl::Init()
+{
+ m_ignoreNextUpdate =
+ m_modified = false;
+ SetUpdateFont(false);
+ m_text =
+ m_vScrollbar = (GtkWidget *)NULL;
+#ifdef __WXGTK20__
+ m_frozenness = 0;
+ m_gdkHandCursor = NULL;
+ m_gdkXTermCursor = NULL;
+#endif
+}
+
+wxTextCtrl::~wxTextCtrl()
+{
+#ifdef __WXGTK20__
+ if(m_gdkHandCursor)
+ gdk_cursor_unref(m_gdkHandCursor);
+ if(m_gdkXTermCursor)
+ gdk_cursor_unref(m_gdkXTermCursor);
+#endif
+}
+
+wxTextCtrl::wxTextCtrl( wxWindow *parent,
+ wxWindowID id,
+ const wxString &value,
+ const wxPoint &pos,
+ const wxSize &size,
+ long style,
+ const wxValidator& validator,
+ const wxString &name )
+{
+ 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,
+ long style,
+ const wxValidator& validator,
+ const wxString &name )
+{
+ 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;
+ }
+
+
+ m_vScrollbarVisible = false;
+
+ bool multi_line = (style & wxTE_MULTILINE) != 0;
+
+ if (multi_line)
+ {
+#ifdef __WXGTK20__
+ // Create view
+ m_text = gtk_text_view_new();
+
+ m_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 );
+
+ // translate wx wrapping style to GTK+
+ GtkWrapMode wrap;
+ if ( HasFlag( wxTE_DONTWRAP ) )
+ wrap = GTK_WRAP_NONE;
+ else if ( HasFlag( wxTE_CHARWRAP ) )
+ wrap = GTK_WRAP_CHAR;
+ else if ( HasFlag( wxTE_WORDWRAP ) )
+ wrap = GTK_WRAP_WORD;
+ else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
+ {
+ // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
+#ifdef __WXGTK24__
+ if ( !gtk_check_version(2,4,0) )
+ {
+ wrap = GTK_WRAP_WORD_CHAR;
+ }
+ else
+#endif
+ wrap = GTK_WRAP_WORD;
+ }
+
+ gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
+
+ if (!HasFlag(wxNO_BORDER))
+ gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
+
+ gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
+
+ GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+#else // GTK+ 1
+ // 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);
+
+ // 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);
+#endif // GTK+ 2/1
+ }
+ else
+ {
+ // a single-line text control: no need for scrollbars
+ m_widget =
+ m_text = gtk_entry_new();
+
+#ifdef __WXGTK20__
+ if (style & wxNO_BORDER)
+ g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
+#endif
+ }
+
+ m_parent->DoAddChild( this );
+
+ m_focusWidget = m_text;
+
+ PostCreation(size);
+
+ if (multi_line)
+ gtk_widget_show(m_text);
+
+#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.empty())
+ {
+#ifdef __WXGTK20__
+ SetValue( value );
+#else
+
+#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
+ 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) ));
+ }
+
+#endif
+ }
+
+ if (style & wxTE_PASSWORD)
+ {
+ if (!multi_line)
+ gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
+ }
+
+ if (style & wxTE_READONLY)
+ {
+ if (!multi_line)
+ gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
+#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
+ }
+
+#ifdef __WXGTK20__
+ if (multi_line)
+ {
+ if (style & wxTE_RIGHT)
+ gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
+ else if (style & wxTE_CENTRE)
+ gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
+ // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
+ }
+ else
+ {
+#ifdef __WXGTK24__
+ // gtk_entry_set_alignment was introduced in gtk+-2.3.5
+ if (!gtk_check_version(2,4,0))
+ {
+ if (style & wxTE_RIGHT)
+ gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
+ else if (style & wxTE_CENTRE)
+ gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
+ }
+#endif
+ }
+#endif // __WXGTK20__
+
+ // We want to be notified about text changes.
+#ifdef __WXGTK20__
+ if (multi_line)
+ {
+ g_signal_connect( G_OBJECT(m_buffer), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+ // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
+ if (style & wxTE_AUTO_URL)
+ {
+ GtkTextIter start, end;
+ m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
+ m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
+
+ // We create our wxUrl tag here for slight efficiency gain - we
+ // don't have to check for the tag existance in callbacks,
+ // hereby it's guaranteed to exist.
+ gtk_text_buffer_create_tag(m_buffer, "wxUrl",
+ "foreground", "blue",
+ "underline", PANGO_UNDERLINE_SINGLE,
+ NULL);
+
+ // Check for URLs after each text change
+ g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
+ GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
+ g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
+ GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
+
+ // Block all wxUrl tag applying unless we do it ourselves, in which case we
+ // block this callback temporarily. This takes care of gtk+ internal
+ // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
+ // which is undesired because only a part of the URL might be copied.
+ // The insert-text signal emitted inside it will take care of newly formed
+ // or wholly copied URLs.
+ g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
+ GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
+
+ // Check for URLs in the initial string passed to Create
+ gtk_text_buffer_get_start_iter(m_buffer, &start);
+ gtk_text_buffer_get_end_iter(m_buffer, &end);
+ au_check_range(&start, &end);
+ }
+ }
+ else
+#endif
+
+ {
+ gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+ }
+
+ m_cursor = wxCursor( wxCURSOR_IBEAM );
+
+ wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
+ SetDefaultStyle( attrDef );
+
+ return true;
+}
+
+
+void wxTextCtrl::CalculateScrollbar()
+{
+#ifndef __WXGTK20__
+ if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
+
+ GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
+
+ if (adj->upper - adj->page_size < 0.8)
+ {
+ if (m_vScrollbarVisible)
+ {
+ gtk_widget_hide( m_vScrollbar );
+ m_vScrollbarVisible = false;
+ }
+ }
+ else
+ {
+ if (!m_vScrollbarVisible)
+ {
+ gtk_widget_show( m_vScrollbar );
+ m_vScrollbarVisible = true;
+ }
+ }
+#endif
+}
+
+wxString wxTextCtrl::GetValue() const
+{
+ wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
+
+ wxString tmp;
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+#ifdef __WXGTK20__
+ GtkTextIter start;
+ gtk_text_buffer_get_start_iter( m_buffer, &start );
+ GtkTextIter end;
+ gtk_text_buffer_get_end_iter( m_buffer, &end );
+ gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
+
+#if wxUSE_UNICODE
+ wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
+#else
+ wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
+#endif
+ if ( buffer )
+ 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 = text;
+ g_free( text );
+#endif
+ }
+ else
+ {
+ tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
+ }
+
+ return tmp;
+}
+
+void wxTextCtrl::SetValue( const wxString &value )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+#ifdef __WXGTK20__
+
+#if wxUSE_UNICODE
+ wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
+#else
+ wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
+#endif
+ if (gtk_text_buffer_get_char_count(m_buffer) != 0)
+ IgnoreNextTextUpdate();
+
+ if ( !buffer )
+ {
+ // what else can we do? at least don't crash...
+ return;
+ }
+
+ gtk_text_buffer_set_text( m_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;
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
+#endif
+ }
+ else
+ {
+ gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
+ }
+
+ // 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);
+
+ m_modified = false;
+}
+
+void wxTextCtrl::WriteText( const wxString &text )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( text.empty() )
+ return;
+
+ // 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 ( m_windowStyle & wxTE_MULTILINE )
+ {
+#ifdef __WXGTK20__
+
+#if wxUSE_UNICODE
+ wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
+#else
+ wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
+#endif
+ if ( !buffer )
+ {
+ // what else can we do? at least don't crash...
+ return;
+ }
+
+ // TODO: Call whatever is needed to delete the selection.
+ wxGtkTextInsert( m_text, m_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( m_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() )
+ {
+ SetUpdateFont(false);
+ }
+
+ // 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 // single line
+ {
+ // 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
+ wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
+#else
+ wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
+#endif
+ if ( !buffer )
+ {
+ // what else can we do? at least don't crash...
+ return;
+ }
+
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
+
+#else
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
+#endif
+
+ // Bring entry's cursor uptodate.
+ gtk_entry_set_position( GTK_ENTRY(m_text), len );
+ }
+
+ m_modified = oldModified;
+}
+
+void wxTextCtrl::AppendText( const wxString &text )
+{
+ SetInsertionPointEnd();
+ WriteText( text );
+}
+
+wxString wxTextCtrl::GetLineText( long lineNo ) const
+{
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+#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)
+ {
+ wxString buf;
+ long i;
+ int currentLine = 0;
+ for (i = 0; currentLine != lineNo && text[i]; i++ )
+ if (text[i] == '\n')
+ currentLine++;
+ // Now get the text
+ int j;
+ for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
+ buf += text[i];
+
+ g_free( text );
+ return buf;
+ }
+ else
+ {
+ return wxEmptyString;
+ }
+#else
+ GtkTextIter line;
+ gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
+ GtkTextIter end;
+ gtk_text_buffer_get_end_iter(m_buffer,&end );
+ gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
+ wxString result(wxGTK_CONV_BACK(text));
+ g_free(text);
+ return result.BeforeFirst(wxT('\n'));
+#endif
+ }
+ else
+ {
+ if (lineNo == 0) return GetValue();
+ return wxEmptyString;
+ }
+}
+
+void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
+{
+ /* If you implement this, don't forget to update the documentation!
+ * (file docs/latex/wx/text.tex) */
+ wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
+}
+
+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=0; // First Col
+ *y=0; // First Line
+
+ const wxChar* stop = text.c_str() + pos;
+ for ( const wxChar *p = text.c_str(); p < stop; p++ )
+ {
+ if (*p == wxT('\n'))
+ {
+ (*y)++;
+ *x=0;
+ }
+ else
+ (*x)++;
+ }
+ }
+ else // single line control
+ {
+ if ( pos <= GTK_ENTRY(m_text)->text_length )
+ {
+ *y = 0;
+ *x = pos;
+ }
+ else
+ {
+ // index out of bounds
+ return false;
+ }
+ }
+
+ return true;
+}
+
+long wxTextCtrl::XYToPosition(long x, long y ) const
+{
+ if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
+
+ long pos=0;
+ for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
+
+ pos += x;
+ return pos;
+}
+
+int wxTextCtrl::GetLineLength(long lineNo) const
+{
+ wxString str = GetLineText (lineNo);
+ return (int) str.Length();
+}
+
+int wxTextCtrl::GetNumberOfLines() const
+{
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+#ifdef __WXGTK20__
+ return gtk_text_buffer_get_line_count( m_buffer );
+#else
+ gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+ char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
+
+ if (text)
+ {
+ int currentLine = 0;
+ for (int i = 0; i < len; i++ )
+ {
+ if (text[i] == '\n')
+ currentLine++;
+ }
+ g_free( text );
+
+ // currentLine is 0 based, add 1 to get number of lines
+ return currentLine + 1;
+ }
+ else
+ {
+ return 0;
+ }
+#endif
+ }
+ else
+ {
+ return 1;
+ }
+}
projects / wxWidgets.git / blobdiff