// Name: textctrl.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
// 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/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 <math.h> // for fabs
+
+#include "wx/gtk/private.h"
+#include <gdk/gdkkeysyms.h>
//-----------------------------------------------------------------------------
-// wxTextCtrl
+// idle system
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+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)
-static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
{
- win->SetModified();
+ 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;
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
-// EVT_CHAR(wxTextCtrl::OnChar)
-END_EVENT_TABLE()
+ 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"
+//-----------------------------------------------------------------------------
-wxTextCtrl::wxTextCtrl(void) : streambuf()
+static void
+gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
{
- if (allocate()) setp(base(),ebuf());
+ if ( win->IgnoreTextUpdate() )
+ return;
+
+ if (!win->m_hasVMT) return;
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
- m_modified = FALSE;
+ win->SetModified();
+#ifndef __WXGTK20__
+ win->UpdateFontIfNeeded();
+#endif // !__WXGTK20__
+
+ wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
+ event.SetEventObject( win );
+ event.SetString( win->GetValue() );
+ win->GetEventHandler()->ProcessEvent( event );
}
-wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
- const wxPoint &pos, const wxSize &size,
- int style, const wxValidator& validator, const wxString &name ) : streambuf()
+//-----------------------------------------------------------------------------
+// "changed" from vertical scrollbar
+//-----------------------------------------------------------------------------
+
+#ifndef __WXGTK20__
+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"
+void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect)
{
- if (allocate()) setp(base(),ebuf());
+ if ( !wxIsInsideYield )
+ {
+ wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
+ _T("infinite recursion in wxgtk_text_draw aborted") );
- m_modified = FALSE;
- Create( parent, id, value, pos, size, style, validator, name );
+ gs_gtk_text_draw(widget, rect);
+ }
}
-bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
- const wxPoint &pos, const wxSize &size,
- int style, const wxValidator& validator, const wxString &name )
+#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)
+END_EVENT_TABLE()
+
+void wxTextCtrl::Init()
{
- m_needParent = TRUE;
+ m_ignoreNextUpdate =
+ m_modified = FALSE;
+ SetUpdateFont(FALSE);
+ m_text =
+ m_vScrollbar = (GtkWidget *)NULL;
+}
- PreCreation( parent, id, pos, size, style, name );
+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 );
+}
- SetValidator( validator );
+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;
+ }
- bool bMultiLine = (style & wxTE_MULTILINE) != 0;
- if ( bMultiLine )
- {
- // a multi-line edit control: create a vertical scrollbar by default and
- // horizontal if requested
- bool bHasHScrollbar = (style & wxHSCROLL) != 0;
- // create our control...
- m_text = gtk_text_new( NULL, NULL );
+ m_vScrollbarVisible = FALSE;
- // ... and put into the upper left hand corner of the table
- m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
- gtk_table_attach(GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
- GTK_FILL | GTK_EXPAND,
- GTK_FILL | GTK_EXPAND | GTK_SHRINK,
- 0, 0);
+ bool multi_line = (style & wxTE_MULTILINE) != 0;
- // put the horizontal scrollbar in the lower left hand corner
- if ( bHasHScrollbar ) {
- GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
- gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
- GTK_EXPAND | GTK_FILL,
- GTK_FILL,
+#ifdef __WXGTK20__
+ GtkTextBuffer *buffer = NULL;
+#endif
+
+ if (multi_line)
+ {
+#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 );
+
+ // Global settings which can be overridden by tags, I guess.
+ if (HasFlag( wxHSCROLL ) || HasFlag( wxTE_DONTWRAP ))
+ 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 );
+
+ GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+#else
+ // 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);
- gtk_widget_show(hscrollbar);
- }
- // finally, put the vertical scrollbar in the upper right corner
- GtkWidget *vscrollbar = gtk_vscrollbar_new(GTK_TEXT(m_text)->vadj);
- gtk_table_attach(GTK_TABLE(m_widget), vscrollbar, 1, 2, 0, 1,
+ // 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,
- GTK_EXPAND | GTK_FILL | GTK_SHRINK,
+ (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
0, 0);
- gtk_widget_show(vscrollbar);
- }
- else {
- // a single-line text control: no need for scrollbars
- m_widget =
- m_text = gtk_entry_new();
- }
-
- wxSize newSize = size;
- if (newSize.x == -1) newSize.x = 80;
- if (newSize.y == -1) newSize.y = 26;
- SetSize( newSize.x, newSize.y );
-
- PostCreation();
-
- if ( bMultiLine ) {
- gtk_widget_realize(m_text);
- 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);
-
- if (!value.IsNull())
- {
- gint tmp = 0;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
- }
-
- if (style & wxTE_READONLY)
- {
- }
- else
- {
- if ( bMultiLine )
- gtk_text_set_editable( GTK_TEXT(m_text), 1 );
- }
-
- Show( TRUE );
-
- return TRUE;
-}
-
-wxString wxTextCtrl::GetValue(void) const
-{
- wxString tmp;
- if (m_windowStyle & wxTE_MULTILINE)
- {
- gint len = gtk_text_get_length( GTK_TEXT(m_text) );
- tmp = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
- }
- else
- {
- tmp = gtk_entry_get_text( GTK_ENTRY(m_text) );
- }
- return tmp;
+#endif
+ }
+ else
+ {
+ // a single-line text control: no need for scrollbars
+ m_widget =
+ m_text = gtk_entry_new();
+ }
+
+ 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.IsEmpty())
+ {
+#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
+ }
+ // gtk_entry_set_alignment was introduced in gtk+-2.3.5
+#if GTK_CHECK_VERSION(2, 3, 5)
+ else
+ {
+ 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 // gtk+-2.3.5
+#endif // __WXGTK20__
+
+ // 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);
+ }
+
+ m_cursor = wxCursor( wxCURSOR_IBEAM );
+
+ wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
+ SetDefaultStyle( attrDef );
+
+ return TRUE;
}
-void wxTextCtrl::SetValue( const wxString &value )
+
+void wxTextCtrl::CalculateScrollbar()
{
- wxString tmp = "";
- if (!value.IsNull()) tmp = value;
- if (m_windowStyle & wxTE_MULTILINE)
- {
- gint len = gtk_text_get_length( GTK_TEXT(m_text) );
- gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
- len = 0;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len );
- }
- else
- {
- gtk_entry_set_text( GTK_ENTRY(m_text), tmp );
- }
+#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
}
-void wxTextCtrl::WriteText( const wxString &text )
+wxString wxTextCtrl::GetValue() const
{
- if (text.IsNull()) return;
+ wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
+
+ 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 = text;
+ g_free( text );
+#endif
+ }
+ else
+ {
+ tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
+ }
- if (m_windowStyle & wxTE_MULTILINE)
- {
- gint len = gtk_text_get_length( GTK_TEXT(m_text) );
- gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
- }
- else
- {
- gtk_entry_append_text( GTK_ENTRY(m_text), text );
- }
+ return tmp;
}
-bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) )
+void wxTextCtrl::SetValue( const wxString &value )
{
- wxFAIL_MSG( "wxTextCtrl::LoadFile not implemented" );
+ 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
+ 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;
+ 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);
- return FALSE;
+ m_modified = FALSE;
}
-bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) )
+void wxTextCtrl::WriteText( const wxString &text )
{
- wxFAIL_MSG( "wxTextCtrl::SaveFile not implemented" );
+ 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;
+ }
+
+ 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() )
+ {
+ 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__
- return FALSE;
+#if wxUSE_UNICODE
+ wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
+#else
+ wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
+#endif
+ 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(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
+ {
+ return wxEmptyString;
+ }
+#else
+ 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
+ }
+ 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") );
+}
-void wxTextCtrl::OnDropFiles( wxDropFilesEvent &event )
+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::PositionToXY( long pos, long *x, long *y ) const
+long wxTextCtrl::XYToPosition(long x, long y ) const
{
+ if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
+
+ long pos=0;
+ for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
+
+ pos += x;
+ return pos;
}
-long wxTextCtrl::XYToPosition( long x, long y )
+int wxTextCtrl::GetLineLength(long lineNo) const
{
+ wxString str = GetLineText (lineNo);
+ return (int) str.Length();
}
-int wxTextCtrl::GetNumberOfLines(void)
+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 );
+
+ 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;
+ }
}
-*/
void wxTextCtrl::SetInsertionPoint( long pos )
{
- int tmp = (int) pos;
- if (m_windowStyle & wxTE_MULTILINE)
- gtk_text_set_point( GTK_TEXT(m_text), tmp );
- else
- gtk_entry_set_position( GTK_ENTRY(m_text), tmp );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
+ {
+#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 );
+ gtk_text_view_scroll_mark_onscreen
+ (
+ GTK_TEXT_VIEW(m_text),
+ gtk_text_buffer_get_insert( text_buffer )
+ );
+#else // GTK+ 1.x
+ 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 this non-sense, we
+ disconnect so that no events are sent to the user program. */
+
+ gint tmp = (gint)pos;
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
+ gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
+
+ gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+ // bring editable's cursor uptodate. Bug in GTK.
+ SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
+#endif // GTK+ 2/1
+ }
+ else
+ {
+ gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
+
+ // Bring editable's cursor uptodate. Bug in GTK.
+ SET_EDITABLE_POS(m_text, (guint32)pos);
+ }
}
-void wxTextCtrl::SetInsertionPointEnd(void)
+void wxTextCtrl::SetInsertionPointEnd()
{
- 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;
- SetInsertionPoint( pos-1 );
+ 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 )
{
- if (m_windowStyle & wxTE_MULTILINE)
- gtk_text_set_editable( GTK_TEXT(m_text), editable );
- else
- gtk_entry_set_editable( GTK_ENTRY(m_text), 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()
+{
+ 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 )
{
- gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ 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 )
+{
+ 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
+ }
+}
+
+#ifdef __WXGTK20__
+
+wxTextCtrlHitTestResult
+wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
{
- wxFAIL_MSG(_("wxTextCtrl::ShowPosition not implemented"));
+ if ( !IsMultiLine() )
+ {
+ // not supported
+ return wxTE_HT_UNKNOWN;
+ }
+
+ int x, y;
+ gtk_text_view_window_to_buffer_coords
+ (
+ GTK_TEXT_VIEW(m_text),
+ GTK_TEXT_WINDOW_TEXT,
+ pt.x, pt.y,
+ &x, &y
+ );
+
+ GtkTextIter iter;
+ gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
+ if ( pos )
+ *pos = gtk_text_iter_get_offset(&iter);
+
+ return wxTE_HT_ON_TEXT;
}
-long wxTextCtrl::GetInsertionPoint(void) const
+#endif // __WXGTK20__
+
+long wxTextCtrl::GetInsertionPoint() const
{
- return (long) GTK_EDITABLE(m_text)->current_pos;
+ wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
+
+#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(void) const
+long wxTextCtrl::GetLastPosition() const
{
- int pos = 0;
- if (m_windowStyle & wxTE_MULTILINE)
- pos = gtk_text_get_length( GTK_TEXT(m_text) );
- else
- pos = GTK_ENTRY(m_text)->text_length;
- return (long)pos-1;
+ 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;
}
void wxTextCtrl::Remove( long from, long to )
{
- gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)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 );
}
void wxTextCtrl::Replace( long from, long to, const wxString &value )
{
- gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
- if (value.IsNull()) return;
- gint pos = (gint)to;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ 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 // wxUSE_UNICODE
+#endif // GTK 1.x/2.x
+ }
+}
+
+void wxTextCtrl::Cut()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+#ifdef __WXGTK20__
+ if (m_windowStyle & wxTE_MULTILINE)
+ g_signal_emit_by_name(m_text, "cut-clipboard");
+ else
+#endif
+ gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
}
-void wxTextCtrl::Cut(void)
+void wxTextCtrl::Copy()
{
- gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+#ifdef __WXGTK20__
+ if (m_windowStyle & wxTE_MULTILINE)
+ g_signal_emit_by_name(m_text, "copy-clipboard");
+ else
+#endif
+ gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
}
-void wxTextCtrl::Copy(void)
+void wxTextCtrl::Paste()
{
- gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+#ifdef __WXGTK20__
+ if (m_windowStyle & wxTE_MULTILINE)
+ g_signal_emit_by_name(m_text, "paste-clipboard");
+ else
+#endif
+ gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
}
-void wxTextCtrl::Paste(void)
+// Undo/redo
+void wxTextCtrl::Undo()
{
- gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
+ // TODO
+ wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
}
-void wxTextCtrl::Delete(void)
+void wxTextCtrl::Redo()
{
- SetValue( "" );
+ // TODO
+ wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
}
-void wxTextCtrl::OnChar( wxKeyEvent &WXUNUSED(event) )
+bool wxTextCtrl::CanUndo() const
{
+ // TODO
+ //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
+ return FALSE;
}
-int wxTextCtrl::overflow( int WXUNUSED(c) )
+bool wxTextCtrl::CanRedo() const
{
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return EOF;
+ // TODO
+ //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
+ return FALSE;
}
-int wxTextCtrl::sync(void)
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
{
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return 0;
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ 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 (! 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;
}
-int wxTextCtrl::underflow(void)
+
+bool wxTextCtrl::IsEditable() const
{
- return EOF;
+ 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
}
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+bool wxTextCtrl::IsModified() const
{
- WriteText(s);
- return *this;
+ return m_modified;
}
-wxTextCtrl& wxTextCtrl::operator<<(float f)
+void wxTextCtrl::Clear()
{
- static char buf[100];
- sprintf(buf, "%.2f", f);
- WriteText(buf);
- return *this;
+ SetValue( wxT("") );
+}
+
+void wxTextCtrl::OnChar( wxKeyEvent &key_event )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ 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();
}
-wxTextCtrl& wxTextCtrl::operator<<(double d)
+GtkWidget* wxTextCtrl::GetConnectWidget()
{
- static char buf[100];
- sprintf(buf, "%.2f", d);
- WriteText(buf);
- return *this;
+ return GTK_WIDGET(m_text);
}
-wxTextCtrl& wxTextCtrl::operator<<(int i)
+bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
{
- static char buf[100];
- sprintf(buf, "%i", i);
- WriteText(buf);
- return *this;
+ 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);
+ }
}
-wxTextCtrl& wxTextCtrl::operator<<(long i)
+// the font will change for subsequent text insertiongs
+bool wxTextCtrl::SetFont( const wxFont &font )
{
- static char buf[100];
- sprintf(buf, "%ld", i);
- WriteText(buf);
- return *this;
+ wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
+
+ if ( !wxTextCtrlBase::SetFont(font) )
+ {
+ // font didn't change, nothing to do
+ return FALSE;
+ }
+
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ SetUpdateFont(TRUE);
+
+ m_defaultStyle.SetFont(font);
+
+ ChangeFontGlobally();
+ }
+
+ return TRUE;
}
-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::ChangeFontGlobally()
{
- char buf[2];
+ // this method is very inefficient and hence should be called as rarely as
+ // possible!
+ //
+ // TODO: it can be implemented much more efficiently for GTK2
+ wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE)
+#ifndef __WXGTK20__
+ && m_updateFont
+#endif // GTK+ 1.x
+ ,
+ _T("shouldn't be called for single line controls") );
+
+ wxString value = GetValue();
+ if ( !value.IsEmpty() )
+ {
+ SetUpdateFont(FALSE);
+
+ Clear();
+ AppendText(value);
+ }
+}
- buf[0] = c;
- buf[1] = 0;
- WriteText(buf);
- return *this;
+#ifndef __WXGTK20__
+
+void wxTextCtrl::UpdateFontIfNeeded()
+{
+ if ( m_updateFont )
+ ChangeFontGlobally();
}
-GtkWidget* wxTextCtrl::GetConnectWidget(void)
+#endif // GTK+ 1.x
+
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
{
- return GTK_WIDGET(m_text);
+ 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") );
+
+ if ( !wxControl::SetBackgroundColour( colour ) )
+ return FALSE;
+
+ if (!m_widget->window)
+ return FALSE;
+
+ if (!m_backgroundColour.Ok())
+ return FALSE;
+
+ 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::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+ gtk_widget_modify_style(m_text, style);
+}
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+ Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+ Redo();
+}
+
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanRedo() );
+}
+
+void wxTextCtrl::OnInternalIdle()
+{
+ wxCursor cursor = m_cursor;
+ if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+ if (cursor.Ok())
+ {
+#ifndef __WXGTK20__
+ GdkWindow *window = (GdkWindow*) NULL;
+ if (HasFlag(wxTE_MULTILINE))
+ window = GTK_TEXT(m_text)->text_area;
+ else
+ window = GTK_ENTRY(m_text)->text_area;
+
+ if (window)
+ gdk_window_set_cursor( window, cursor.GetCursor() );
+
+ if (!g_globalCursor.Ok())
+ cursor = *wxSTANDARD_CURSOR;
+
+ 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() );
+ wxSize best(80, ret.y);
+ CacheBestSize(best);
+ return best;
+}
+
+// ----------------------------------------------------------------------------
+// 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
+{
+ if ( !IsMultiLine() )
+ return NULL;
+
+#ifdef __WXGTK20__
+ return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
+#else
+ return GTK_TEXT(m_text)->vadj;
+#endif
+}
+
+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;
+
+#ifdef __WXGTK20__
+ gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj));
+#else
+ gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
+#endif
+
+ return TRUE;
+}
+
+bool wxTextCtrl::ScrollLines(int lines)
+{
+ GtkAdjustment *adj = GetVAdj();
+ if ( !adj )
+ return FALSE;
+
+#ifdef __WXGTK20__
+ int diff = (int)ceil(lines*adj->step_increment);
+#else
+ // this is hardcoded to 10 in GTK+ 1.2 (great idea)
+ int diff = 10*lines;
+#endif
+
+ 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);
+}
projects / wxWidgets.git / blobdiff