/////////////////////////////////////////////////////////////////////////////
-// Name: textctrl.cpp
+// Name: src/gtk1/textctrl.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "textctrl.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/textctrl.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/settings.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/panel.h"
+ #include "wx/settings.h"
+ #include "wx/math.h"
+#endif
+
+#include "wx/strconv.h"
+#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo())
+#include "wx/evtloop.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
-#include "gdk/gdkkeysyms.h"
+#include "wx/gtk1/private.h"
+#include <gdk/gdkkeysyms.h>
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
-extern bool g_blockEventsOnDrag;
+extern wxCursor g_globalCursor;
+extern wxWindowGTK *g_delayedFocus;
+
+// ----------------------------------------------------------------------------
+// helpers
+// ----------------------------------------------------------------------------
+
+extern "C" {
+static void wxGtkTextInsert(GtkWidget *text,
+ const wxTextAttr& attr,
+ const char *txt,
+ size_t len)
+{
+ wxFont tmpFont;
+ GdkFont *font;
+ if (attr.HasFont())
+ {
+ tmpFont = attr.GetFont();
+
+ // FIXME: if this crashes because tmpFont goes out of scope and the GdkFont is
+ // deleted, then we need to call gdk_font_ref on font.
+ // This is because attr.GetFont() now returns a temporary font since wxTextAttr
+ // no longer stores a wxFont object, for efficiency.
+
+ font = tmpFont.GetInternalFont();
+ }
+ else
+ font = NULL;
+
+ GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+ : NULL;
+
+ GdkColor *colBg = attr.HasBackgroundColour()
+ ? attr.GetBackgroundColour().GetColor()
+ : NULL;
+
+ gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );
+}
+}
+
+// ----------------------------------------------------------------------------
+// "insert_text" for GtkEntry
+// ----------------------------------------------------------------------------
+
+extern "C" {
+static void
+gtk_insert_text_callback(GtkEditable *editable,
+ const gchar *WXUNUSED(new_text),
+ gint WXUNUSED(new_text_length),
+ gint *WXUNUSED(position),
+ wxTextCtrl *win)
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ // we should only be called if we have a max len limit at all
+ GtkEntry *entry = GTK_ENTRY (editable);
+
+ wxCHECK_RET( entry->text_max_length, wxT("shouldn't be called") );
+
+ // check that we don't overflow the max length limit
+ //
+ // FIXME: this doesn't work when we paste a string which is going to be
+ // truncated
+ if ( entry->text_length == entry->text_max_length )
+ {
+ // we don't need to run the base class version at all
+ gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
+
+ // remember that the next changed signal is to be ignored to avoid
+ // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
+ win->IgnoreNextTextUpdate();
+
+ // and generate the correct one ourselves
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
+ event.SetEventObject(win);
+ event.SetString(win->GetValue());
+ win->HandleWindowEvent( event );
+ }
+}
+}
//-----------------------------------------------------------------------------
// "changed"
//-----------------------------------------------------------------------------
+extern "C" {
static void
gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
{
- win->SetModified();
+ if ( win->IgnoreTextUpdate() )
+ return;
- win->CalculateScrollbar();
+ if (!win->m_hasVMT) return;
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
- wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId );
- event.SetString( win->GetValue() );
+ win->SetModified();
+ win->UpdateFontIfNeeded();
+
+ wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
event.SetEventObject( win );
- win->GetEventHandler()->ProcessEvent( event );
+ win->HandleWindowEvent( event );
+}
}
//-----------------------------------------------------------------------------
-// "size_allocate"
+// "changed" from vertical scrollbar
//-----------------------------------------------------------------------------
+extern "C" {
static void
-gtk_text_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* WXUNUSED(alloc), wxTextCtrl *win )
+gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
{
+ if (!win->m_hasVMT) return;
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
win->CalculateScrollbar();
}
+}
+
+// ----------------------------------------------------------------------------
+// redraw callback for multiline text
+// ----------------------------------------------------------------------------
+
+// redrawing a GtkText from inside a wxYield() call results in crashes (the
+// text sample shows it in its "Add lines" command which shows wxProgressDialog
+// which implicitly calls wxYield()) so we override GtkText::draw() and simply
+// don't do anything if we're inside wxYield()
+
+extern "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)
+{
+ wxEventLoopBase* loop = wxEventLoopBase::GetActive();
+ if ( loop && !loop->IsYielding() )
+ {
+ wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
+ wxT("infinite recursion in wxgtk_text_draw aborted") );
+
+ gs_gtk_text_draw(widget, rect);
+ }
+}
+}
//-----------------------------------------------------------------------------
// wxTextCtrl
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
EVT_CHAR(wxTextCtrl::OnChar)
EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
END_EVENT_TABLE()
-#ifndef NO_TEXT_WINDOW_STREAM
-wxTextCtrl::wxTextCtrl() : streambuf()
+void wxTextCtrl::Init()
{
- if (allocate()) setp(base(),ebuf());
-
- m_modified = FALSE;
+ m_ignoreNextUpdate =
+ m_modified = false;
+ SetUpdateFont(false);
+ m_text =
+ m_vScrollbar = NULL;
}
-#else
-wxTextCtrl::wxTextCtrl()
+
+wxTextCtrl::~wxTextCtrl()
{
- m_modified = FALSE;
}
-#endif
-#ifndef NO_TEXT_WINDOW_STREAM
-wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
- const wxPoint &pos, const wxSize &size,
- int style, const wxValidator& validator, const wxString &name ) : streambuf()
+wxTextCtrl::wxTextCtrl( wxWindow *parent,
+ wxWindowID id,
+ const wxString &value,
+ const wxPoint &pos,
+ const wxSize &size,
+ long style,
+ const wxValidator& validator,
+ const wxString &name )
{
- if (allocate()) setp(base(),ebuf());
+ Init();
- m_modified = FALSE;
Create( parent, id, value, pos, size, style, validator, name );
}
-#else
-wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
- const wxPoint &pos, const wxSize &size,
- int style, const wxValidator& validator, const wxString &name )
-{
- m_modified = FALSE;
- Create( parent, id, value, pos, size, style, validator, name );
-}
-#endif
-bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
- const wxPoint &pos, const wxSize &size,
- int style, const wxValidator& validator, const wxString &name )
+bool wxTextCtrl::Create( wxWindow *parent,
+ wxWindowID id,
+ const wxString &value,
+ const wxPoint &pos,
+ const wxSize &size,
+ long style,
+ const wxValidator& validator,
+ const wxString &name )
{
- m_needParent = TRUE;
- m_acceptsFocus = TRUE;
+ m_needParent = true;
+ m_acceptsFocus = true;
- PreCreation( parent, id, pos, size, style, name );
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, validator, name ))
+ {
+ wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
+ return false;
+ }
- SetValidator( validator );
- m_vScrollbarVisible = TRUE;
+ m_vScrollbarVisible = false;
bool multi_line = (style & wxTE_MULTILINE) != 0;
- if ( multi_line )
- {
- // a multi-line edit control: create a vertical scrollbar by default and
- // horizontal if requested
- bool bHasHScrollbar = (style & wxHSCROLL) != 0;
- // create our control...
- m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
+ if (multi_line)
+ {
+ // create our control ...
+ m_text = gtk_text_new( NULL, NULL );
// ... and put into the upper left hand corner of the table
+ bool bHasHScrollbar = false;
m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
-
gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
(GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
(GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
0, 0);
- // put the horizontal scrollbar in the lower left hand corner
- if (bHasHScrollbar)
- {
- GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
- GTK_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_FILL,
- 0, 0);
- gtk_widget_show(hscrollbar);
- }
+ // always wrap words
+ gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
// finally, put the vertical scrollbar in the upper right corner
m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
-
gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
GTK_FILL,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
0, 0);
- gtk_widget_show( m_vScrollbar );
-
- gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
- GTK_SIGNAL_FUNC(gtk_text_size_callback), (gpointer)this );
}
else
{
// a single-line text control: no need for scrollbars
m_widget =
- m_text = gtk_entry_new();
+ m_text = gtk_entry_new();
}
- wxSize newSize = size;
- if (newSize.x == -1) newSize.x = 80;
- if (newSize.y == -1) newSize.y = 26;
- SetSize( newSize.x, newSize.y );
+ m_parent->DoAddChild( this );
- m_parent->AddChild( this );
+ m_focusWidget = m_text;
- (m_parent->m_insertCallback)( m_parent, this );
+ PostCreation(size);
- PostCreation();
+ if (multi_line)
+ gtk_widget_show(m_text);
if (multi_line)
{
- gtk_widget_realize(m_text);
- gtk_widget_show(m_text);
- }
+ gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
+ (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
- // we want to be notified about text changes
- gtk_signal_connect( GTK_OBJECT(m_text), "changed",
- GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+ // only initialize gs_gtk_text_draw once, starting from the next the
+ // klass::draw will already be wxgtk_text_draw
+ if ( !gs_gtk_text_draw )
+ {
+ GtkDrawCallback&
+ draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
+
+ gs_gtk_text_draw = draw;
- if (!value.IsEmpty())
+ draw = wxgtk_text_draw;
+ }
+ }
+
+ if (!value.empty())
{
+#if !GTK_CHECK_VERSION(1, 2, 0)
+ // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
+ // gtk_editable_insert_text()
+ gtk_widget_realize(m_text);
+#endif // GTK 1.0
+
gint tmp = 0;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
-
+#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. */
-
- 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) ));
+ }
}
if (style & wxTE_PASSWORD)
gtk_text_set_editable( GTK_TEXT(m_text), 1 );
}
- Show( TRUE );
+ // We want to be notified about text changes.
+ gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+ GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+ m_cursor = wxCursor( wxCURSOR_IBEAM );
- SetBackgroundColour( parent->GetBackgroundColour() );
- SetForegroundColour( parent->GetForegroundColour() );
+ wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
+ SetDefaultStyle( attrDef );
- return TRUE;
+ return true;
}
+
void wxTextCtrl::CalculateScrollbar()
{
if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
{
if (m_vScrollbarVisible)
{
- gtk_widget_hide( m_vScrollbar );
-
- m_vScrollbarVisible = FALSE;
+ gtk_widget_hide( m_vScrollbar );
+ m_vScrollbarVisible = false;
}
}
else
{
if (!m_vScrollbarVisible)
{
- gtk_widget_show( m_vScrollbar );
-
- m_vScrollbarVisible = TRUE;
+ gtk_widget_show( m_vScrollbar );
+ m_vScrollbarVisible = true;
}
}
}
-wxString wxTextCtrl::GetValue() const
+wxString wxTextCtrl::DoGetValue() const
{
- wxCHECK_MSG( m_text != NULL, "", "invalid text ctrl" );
+ wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
wxString tmp;
if (m_windowStyle & wxTE_MULTILINE)
}
else
{
- tmp = gtk_entry_get_text( GTK_ENTRY(m_text) );
+ tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
}
+
return tmp;
}
-void wxTextCtrl::SetValue( const wxString &value )
+void wxTextCtrl::DoSetValue( const wxString &value, int flags )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
- wxString tmp = "";
- if (!value.IsNull()) tmp = value;
- if (m_windowStyle & wxTE_MULTILINE)
+ if ( !(flags & SetValue_SendEvent) )
{
- 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 );
+ // do not generate events
+ IgnoreNextTextUpdate();
}
-}
-
-void wxTextCtrl::WriteText( const wxString &text )
-{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
-
- if (text.IsNull()) return;
if (m_windowStyle & wxTE_MULTILINE)
{
- /* this moves the cursor pos to behind the inserted text */
- gint len = GTK_EDITABLE(m_text)->current_pos;
-
- gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-
- /* bring editable's cursor uptodate. bug in GTK. */
- GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+ 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 );
}
else
{
- /* this moves the cursor pos to behind the inserted text */
- gint len = GTK_EDITABLE(m_text)->current_pos;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-
- /* bring editable's cursor uptodate. bug in GTK. */
- GTK_EDITABLE(m_text)->current_pos += text.Len();
-
- /* bring entry's cursor uptodate. bug in GTK. */
- gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos );
+ gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
}
-}
-void wxTextCtrl::AppendText( const wxString &text )
-{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ // GRG, Jun/2000: Changed this after a lot of discussion in
+ // the lists. wxWidgets 2.2 will have a set of flags to
+ // customize this behaviour.
+ SetInsertionPoint(0);
- if (m_windowStyle & wxTE_MULTILINE)
- {
- /* we'll insert at the last position */
- gint len = gtk_text_get_length( GTK_TEXT(m_text) );
- gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-
- /* 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 );
- }
+ m_modified = false;
}
-bool wxTextCtrl::LoadFile( const wxString &file )
+void wxTextCtrl::WriteText( const wxString &text )
{
- wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
- if (!wxFileExists(file)) return FALSE;
-
- Clear();
+ if ( text.empty() )
+ return;
- FILE *fp = (FILE*) NULL;
- struct stat statb;
+ // gtk_text_changed_callback() will set m_modified to true but m_modified
+ // shouldn't be changed by the program writing to the text control itself,
+ // so save the old value and restore when we're done
+ bool oldModified = m_modified;
- if ((stat ((char*) (const char*) file, &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG ||
- !(fp = fopen ((char*) (const char*) file, "r")))
- {
- return FALSE;
- }
- else
- {
- gint len = statb.st_size;
- char *text;
- if (!(text = (char*)malloc ((unsigned) (len + 1))))
- {
- fclose (fp);
- return FALSE;
- }
- if (fread (text, sizeof (char), len, fp) != (size_t) len)
+ if ( m_windowStyle & wxTE_MULTILINE )
{
- }
- fclose (fp);
-
- text[len] = 0;
+ // After cursor movements, gtk_text_get_point() is wrong by one.
+ gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
+
+ // always use m_defaultStyle, even if it is empty as otherwise
+ // resetting the style and appending some more text wouldn't work: if
+ // we don't specify the style explicitly, the old style would be used
+ gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
+ wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.length());
+
+ // we called wxGtkTextInsert with correct font, no need to do anything
+ // in UpdateFontIfNeeded() any longer
+ if ( !text.empty() )
+ {
+ SetUpdateFont(false);
+ }
- if (m_windowStyle & wxTE_MULTILINE)
- {
- gint pos = 0;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), text, len, &pos );
+ // Bring editable's cursor back uptodate.
+ SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
}
- else
+ else // single line
{
- gtk_entry_set_text( GTK_ENTRY(m_text), text );
- }
+ // First remove the selection if there is one
+ gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
- free (text);
- m_modified = FALSE;
- return TRUE;
- }
- return FALSE;
-}
-
-bool wxTextCtrl::SaveFile( const wxString &file )
-{
- wxCHECK_MSG( m_text != NULL, FALSE, "invalid text ctrl" );
+ // This moves the cursor pos to behind the inserted text.
+ gint len = GET_EDITABLE_POS(m_text);
- if (file == "") return FALSE;
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.length(), &len );
- FILE *fp;
-
- if (!(fp = fopen ((char*) (const char*) file, "w")))
- {
- return FALSE;
+ // Bring entry's cursor uptodate.
+ gtk_entry_set_position( GTK_ENTRY(m_text), len );
}
- else
- {
- char *text = (char*) NULL;
- gint len = 0;
-
- if (m_windowStyle & wxTE_MULTILINE)
- {
- len = gtk_text_get_length( GTK_TEXT(m_text) );
- text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
- }
- else
- {
- text = gtk_entry_get_text( GTK_ENTRY(m_text) );
- }
-
- if (fwrite (text, sizeof (char), len, fp) != (size_t) len)
- {
- // Did not write whole file
- }
-
- // Make sure newline terminates the file
- if (text[len - 1] != '\n')
- fputc ('\n', fp);
- fclose (fp);
-
- if (m_windowStyle & wxTE_MULTILINE) g_free( text );
-
- m_modified = FALSE;
- return TRUE;
- }
+ m_modified = oldModified;
+}
- return TRUE;
+void wxTextCtrl::AppendText( const wxString &text )
+{
+ SetInsertionPointEnd();
+ WriteText( text );
}
wxString wxTextCtrl::GetLineText( long lineNo ) const
{
- if (m_windowStyle & wxTE_MULTILINE)
- {
- gint len = gtk_text_get_length( GTK_TEXT(m_text) );
- char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
-
- if (text)
+ if (m_windowStyle & wxTE_MULTILINE)
{
- wxString buf("");
- long i;
- int currentLine = 0;
- for (i = 0; currentLine != lineNo && text[i]; i++ )
- if (text[i] == '\n')
+ gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+ char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
+
+ if (text)
+ {
+ wxString buf;
+ long i;
+ int currentLine = 0;
+ for (i = 0; currentLine != lineNo && text[i]; i++ )
+ if (text[i] == '\n')
currentLine++;
- // Now get the text
- int j;
- for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
- buf += text[i];
+ // Now get the text
+ int j;
+ for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
+ buf += text[i];
- g_free( text );
- return buf;
+ g_free( text );
+ return buf;
+ }
+ else
+ {
+ return wxEmptyString;
+ }
}
else
- return wxEmptyString;
- }
- else
- {
- if (lineNo == 0) return GetValue();
- return wxEmptyString;
- }
+ {
+ if (lineNo == 0) return GetValue();
+ return wxEmptyString;
+ }
}
void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
{
/* If you implement this, don't forget to update the documentation!
* (file docs/latex/wx/text.tex) */
- wxFAIL_MSG( "wxTextCtrl::OnDropFiles not implemented" );
+ wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
}
-long wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
{
if ( m_windowStyle & wxTE_MULTILINE )
{
wxString text = GetValue();
// cast to prevent warning. But pos really should've been unsigned.
- if( (unsigned long)pos > text.Len() )
- return FALSE;
+ if( (unsigned long)pos > text.length() )
+ return false;
*x=0; // First Col
*y=0; // First Line
- const char* stop = text.c_str() + pos;
- for ( const char *p = text.c_str(); p < stop; p++ )
+ const wxChar* stop = text.c_str() + pos;
+ for ( const wxChar *p = text.c_str(); p < stop; p++ )
{
- if (*p == '\n')
+ if (*p == wxT('\n'))
{
(*y)++;
*x=0;
else
{
// index out of bounds
- return FALSE;
+ return false;
}
}
- return TRUE;
+ return true;
}
long wxTextCtrl::XYToPosition(long x, long y ) const
long pos=0;
for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
- pos += x;
+ pos += x;
return pos;
}
int wxTextCtrl::GetLineLength(long lineNo) const
{
wxString str = GetLineText (lineNo);
- return (int) str.Length();
+ return (int) str.length();
}
int wxTextCtrl::GetNumberOfLines() const
void wxTextCtrl::SetInsertionPoint( long pos )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
-
- if (m_windowStyle & wxTE_MULTILINE)
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if ( IsMultiLine() )
{
- /* seems to be broken in GTK 1.0.X:
- gtk_text_set_point( GTK_TEXT(m_text), (int)pos ); */
-
gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
-
+
/* we fake a set_point by inserting and deleting. as the user
- isn't supposed to get to know about thos non-sense, we
- disconnect so that no events are sent to the user program. */
-
+ 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_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. another bug in GTK. */
-
- GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
+
+ // bring editable's cursor uptodate. Bug in GTK.
+ SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
}
else
{
gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
-
- /* bring editable's cursor uptodate. bug in GTK. */
-
- GTK_EDITABLE(m_text)->current_pos = pos;
+
+ // Bring editable's cursor uptodate. Bug in GTK.
+ SET_EDITABLE_POS(m_text, (guint32)pos);
}
}
void wxTextCtrl::SetInsertionPointEnd()
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
if (m_windowStyle & wxTE_MULTILINE)
+ {
SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
+ }
else
+ {
gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
+ }
}
void wxTextCtrl::SetEditable( bool editable )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
if (m_windowStyle & wxTE_MULTILINE)
+ {
gtk_text_set_editable( GTK_TEXT(m_text), editable );
+ }
else
+ {
gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
+ }
}
-void wxTextCtrl::SetSelection( long from, long to )
+void wxTextCtrl::DoEnable( bool enable )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ gtk_text_set_editable( GTK_TEXT(m_text), enable );
+ }
+ else
+ {
+ gtk_widget_set_sensitive( m_text, enable );
+ }
+}
- gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+// wxGTK-specific: called recursively by Enable,
+// to give widgets an oppprtunity to correct their colours after they
+// have been changed by Enable
+void wxTextCtrl::OnEnabled( bool WXUNUSED(enable) )
+{
+ if ( IsSingleLine() )
+ return;
+
+ // 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::ShowPosition( long WXUNUSED(pos) )
+void wxTextCtrl::MarkDirty()
{
- wxFAIL_MSG( "wxTextCtrl::ShowPosition not implemented" );
+ m_modified = true;
}
-long wxTextCtrl::GetInsertionPoint() const
+void wxTextCtrl::DiscardEdits()
{
- wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" );
+ m_modified = false;
+}
+
+// ----------------------------------------------------------------------------
+// max text length support
+// ----------------------------------------------------------------------------
- return (long) GTK_EDITABLE(m_text)->current_pos;
+void wxTextCtrl::IgnoreNextTextUpdate()
+{
+ m_ignoreNextUpdate = true;
}
-long wxTextCtrl::GetLastPosition() const
+bool wxTextCtrl::IgnoreTextUpdate()
{
- wxCHECK_MSG( m_text != NULL, 0, "invalid text ctrl" );
+ if ( m_ignoreNextUpdate )
+ {
+ m_ignoreNextUpdate = false;
- 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 true;
+ }
- return (long)pos;
+ return false;
}
-void wxTextCtrl::Remove( long from, long to )
+void wxTextCtrl::SetMaxLength(unsigned long len)
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
-
- gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+ 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::Replace( long from, long to, const wxString &value )
+void wxTextCtrl::SetSelection( long from, long to )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
- gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
- if (value.IsNull()) return;
- gint pos = (gint)from;
- gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
+ if (from == -1 && to == -1)
+ {
+ from = 0;
+ to = GetValue().length();
+ }
+
+ if ( (m_windowStyle & wxTE_MULTILINE) &&
+ !GTK_TEXT(m_text)->line_start_cache )
+ {
+ // tell the programmer that it didn't work
+ wxLogDebug(wxT("Can't call SetSelection() before realizing the control"));
+ return;
+ }
+
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+ }
+ else
+ {
+ gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+ }
}
-void wxTextCtrl::Cut()
+void wxTextCtrl::ShowPosition( long pos )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
+ float totalLines = (float) GetNumberOfLines();
+ long posX;
+ long posY;
+ PositionToXY(pos, &posX, &posY);
+ float posLine = (float) posY;
+ float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
+ gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
+ }
+}
-#if (GTK_MINOR_VERSION > 0)
- gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
-#else
- gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
-#endif
+long wxTextCtrl::GetInsertionPoint() const
+{
+ wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
+ return (long) GET_EDITABLE_POS(m_text);
}
-void wxTextCtrl::Copy()
+wxTextPos wxTextCtrl::GetLastPosition() const
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
-#if (GTK_MINOR_VERSION > 0)
- gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
-#else
- gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
-#endif
+ 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;
}
-void wxTextCtrl::Paste()
+void wxTextCtrl::Remove( long from, long to )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+ gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+}
-#if (GTK_MINOR_VERSION > 0)
- gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
+void wxTextCtrl::Replace( long from, long to, const wxString &value )
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ Remove( from, to );
+
+ if (!value.empty())
+ {
+ gint pos = (gint)from;
+#if wxUSE_UNICODE
+ wxWX2MBbuf buf = value.mbc_str();
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
#else
- gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
-#endif
+ gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.length(), &pos );
+#endif // wxUSE_UNICODE
+ }
}
-bool wxTextCtrl::CanCopy() const
+void wxTextCtrl::Cut()
{
- // Can copy if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to) ;
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+ gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
}
-bool wxTextCtrl::CanCut() const
+void wxTextCtrl::Copy()
{
- // Can cut if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to) ;
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+ gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
}
-bool wxTextCtrl::CanPaste() const
+void wxTextCtrl::Paste()
{
- return IsEditable() ;
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+ gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
}
// Undo/redo
void wxTextCtrl::Undo()
{
// TODO
- wxFAIL_MSG( "wxTextCtrl::Undo not implemented" );
+ wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
}
void wxTextCtrl::Redo()
{
// TODO
- wxFAIL_MSG( "wxTextCtrl::Redo not implemented" );
+ wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
}
bool wxTextCtrl::CanUndo() const
{
// TODO
- wxFAIL_MSG( "wxTextCtrl::CanUndo not implemented" );
- return FALSE;
+ //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
+ return false;
}
bool wxTextCtrl::CanRedo() const
{
// TODO
- wxFAIL_MSG( "wxTextCtrl::CanRedo not implemented" );
- return FALSE;
+ //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
+ return false;
}
// If the return values from and to are the same, there is no
// selection.
-void wxTextCtrl::GetSelection(long* from, long* to) const
+void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
{
- // TODO
- *from = 0;
- *to = 0;
- wxFAIL_MSG( "wxTextCtrl::GetSelection not implemented" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ gint from = -1;
+ gint to = -1;
+ bool haveSelection = false;
+
+ if ( (GTK_EDITABLE(m_text)->has_selection) )
+ {
+ haveSelection = true;
+ from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
+ to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+ }
+
+ if (! haveSelection )
+ from = to = GetInsertionPoint();
+
+ if ( from > to )
+ {
+ // exchange them to be compatible with wxMSW
+ gint tmp = from;
+ from = to;
+ to = tmp;
+ }
+
+ if ( fromOut )
+ *fromOut = from;
+ if ( toOut )
+ *toOut = to;
}
+
bool wxTextCtrl::IsEditable() const
{
- // TODO
- wxFAIL_MSG( "wxTextCtrl::IsEditable not implemented" );
- return FALSE;
+ wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
+ return GTK_EDITABLE(m_text)->editable;
+}
+
+bool wxTextCtrl::IsModified() const
+{
+ return m_modified;
}
void wxTextCtrl::Clear()
{
- SetValue( "" );
+ SetValue( wxEmptyString );
}
void wxTextCtrl::OnChar( wxKeyEvent &key_event )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
- if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
+ if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER))
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
event.SetEventObject(this);
- if (GetEventHandler()->ProcessEvent(event)) return;
+ event.SetString(GetValue());
+ if (HandleWindowEvent(event)) return;
+ }
+
+ if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
+ {
+ // This will invoke the dialog default action, such
+ // as the clicking the default button.
+
+ wxWindow *top_frame = m_parent;
+ while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+ top_frame = top_frame->GetParent();
+
+ if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
+ {
+ GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
+
+ if (window->default_widget)
+ {
+ gtk_widget_activate (window->default_widget);
+ return;
+ }
+ }
}
key_event.Skip();
}
-#ifndef NO_TEXT_WINDOW_STREAM
-int wxTextCtrl::overflow( int WXUNUSED(c) )
+GtkWidget* wxTextCtrl::GetConnectWidget()
{
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return EOF;
+ return GTK_WIDGET(m_text);
}
-int wxTextCtrl::sync()
+bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
{
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return 0;
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ return (window == GTK_TEXT(m_text)->text_area);
+ }
+ else
+ {
+ return (window == GTK_ENTRY(m_text)->text_area);
+ }
}
-int wxTextCtrl::underflow()
+// the font will change for subsequent text insertiongs
+bool wxTextCtrl::SetFont( const wxFont &font )
{
- return EOF;
-}
+ wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
-{
- AppendText(s);
- return *this;
-}
+ if ( !wxTextCtrlBase::SetFont(font) )
+ {
+ // font didn't change, nothing to do
+ return false;
+ }
-wxTextCtrl& wxTextCtrl::operator<<(float f)
-{
- static char buf[100];
- sprintf(buf, "%.2f", f);
- AppendText(buf);
- return *this;
-}
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ SetUpdateFont(true);
-wxTextCtrl& wxTextCtrl::operator<<(double d)
-{
- static char buf[100];
- sprintf(buf, "%.2f", d);
- AppendText(buf);
- return *this;
-}
+ m_defaultStyle.SetFont(font);
-wxTextCtrl& wxTextCtrl::operator<<(int i)
-{
- static char buf[100];
- sprintf(buf, "%i", i);
- AppendText(buf);
- return *this;
-}
+ ChangeFontGlobally();
+ }
-wxTextCtrl& wxTextCtrl::operator<<(long i)
-{
- static char buf[100];
- sprintf(buf, "%ld", i);
- AppendText(buf);
- return *this;
+ 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!
+ wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
- buf[0] = c;
- buf[1] = 0;
- AppendText(buf);
- return *this;
-}
-#endif
+ wxT("shouldn't be called for single line controls") );
-GtkWidget* wxTextCtrl::GetConnectWidget()
-{
- return GTK_WIDGET(m_text);
-}
+ wxString value = GetValue();
+ if ( !value.empty() )
+ {
+ SetUpdateFont(false);
-bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
-{
- if (m_windowStyle & wxTE_MULTILINE)
- return (window == GTK_TEXT(m_text)->text_area);
- else
- return (window == GTK_ENTRY(m_text)->text_area);
+ Clear();
+ AppendText(value);
+ }
}
-void wxTextCtrl::SetFont( const wxFont &WXUNUSED(font) )
+void wxTextCtrl::UpdateFontIfNeeded()
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
-
- // doesn't work
+ if ( m_updateFont )
+ ChangeFontGlobally();
}
-void wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) )
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ if ( !wxControl::SetForegroundColour(colour) )
+ return false;
+
+ // update default fg colour too
+ m_defaultStyle.SetTextColour(colour);
- // doesn't work
+ return true;
}
-void wxTextCtrl::SetBackgroundColour( const wxColour &colour )
+bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
{
- wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
+ wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
- wxControl::SetBackgroundColour( colour );
+ if ( !wxControl::SetBackgroundColour( colour ) )
+ return false;
- wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE );
- if (sysbg.Red() == colour.Red() &&
- sysbg.Green() == colour.Green() &&
- sysbg.Blue() == colour.Blue())
- {
- return;
- }
+ if (!m_widget->window)
+ return false;
- if (!m_backgroundColour.Ok()) return;
+ if (!m_backgroundColour.Ok())
+ return false;
if (m_windowStyle & wxTE_MULTILINE)
{
GdkWindow *window = GTK_TEXT(m_text)->text_area;
+ if (!window)
+ return false;
m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
gdk_window_set_background( window, m_backgroundColour.GetColor() );
gdk_window_clear( window );
}
+
+ // change active background color too
+ m_defaultStyle.SetBackgroundColour( colour );
+
+ return true;
}
-void wxTextCtrl::ApplyWidgetStyle()
+bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
{
- if (m_windowStyle & wxTE_MULTILINE)
- {
- // how ?
- }
- else
+ if ( m_windowStyle & wxTE_MULTILINE )
{
- SetWidgetStyle();
- gtk_widget_set_style( m_text, m_widgetStyle );
+ if ( style.IsDefault() )
+ {
+ // nothing to do
+ return true;
+ }
+
+ // VERY dirty way to do that - removes the required text and re-adds it
+ // with styling (FIXME)
+
+ gint l = gtk_text_get_length( GTK_TEXT(m_text) );
+
+ wxCHECK_MSG( start >= 0 && end <= l, false,
+ wxT("invalid range in wxTextCtrl::SetStyle") );
+
+ gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
+ char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
+ wxString tmp(text,*wxConvCurrent);
+ g_free( text );
+
+ gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
+ gtk_editable_set_position( GTK_EDITABLE(m_text), start );
+
+ #if wxUSE_UNICODE
+ wxWX2MBbuf buf = tmp.mbc_str();
+ const char *txt = buf;
+ size_t txtlen = strlen(buf);
+ #else
+ const char *txt = tmp;
+ size_t txtlen = tmp.length();
+ #endif
+
+ // use the attributes from style which are set in it and fall back
+ // first to the default style and then to the text control default
+ // colours for the others
+ wxGtkTextInsert(m_text,
+ wxTextAttr::Combine(style, m_defaultStyle, this),
+ txt,
+ txtlen);
+
+ /* does not seem to help under GTK+ 1.2 !!!
+ gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
+ SetInsertionPoint( old_pos );
+
+ return true;
}
+
+ // else single line
+ // cannot do this for GTK+'s Entry widget
+ return false;
+}
+
+void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+ gtk_widget_modify_style(m_text, style);
}
void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
event.Enable( CanRedo() );
}
+
+void wxTextCtrl::OnInternalIdle()
+{
+ wxCursor cursor = m_cursor;
+ if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+ if (cursor.Ok())
+ {
+ GdkWindow *window = 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() );
+ }
+
+ 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::DoFreeze()
+{
+ if ( HasFlag(wxTE_MULTILINE) )
+ {
+ gtk_text_freeze(GTK_TEXT(m_text));
+ }
+}
+
+void wxTextCtrl::DoThaw()
+{
+ if ( HasFlag(wxTE_MULTILINE) )
+ {
+ GTK_TEXT(m_text)->vadj->value = 0.0;
+
+ gtk_text_thaw(GTK_TEXT(m_text));
+ }
+}
+
+// ----------------------------------------------------------------------------
+// scrolling
+// ----------------------------------------------------------------------------
+
+GtkAdjustment *wxTextCtrl::GetVAdj() const
+{
+ if ( !IsMultiLine() )
+ return NULL;
+
+ return GTK_TEXT(m_text)->vadj;
+}
+
+bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
+{
+ float value = adj->value + diff;
+
+ if ( value < 0 )
+ value = 0;
+
+ float upper = adj->upper - adj->page_size;
+ if ( value > upper )
+ value = upper;
+
+ // did we noticeably change the scroll position?
+ if ( fabs(adj->value - value) < 0.2 )
+ {
+ // well, this is what Robert does in wxScrollBar, so it must be good...
+ return false;
+ }
+
+ adj->value = value;
+ gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
+
+ return true;
+}
+
+bool wxTextCtrl::ScrollLines(int lines)
+{
+ GtkAdjustment *adj = GetVAdj();
+ if ( !adj )
+ return false;
+
+ // this is hardcoded to 10 in GTK+ 1.2 (great idea)
+ int diff = 10*lines;
+
+ return DoScroll(adj, diff);
+}
+
+bool wxTextCtrl::ScrollPages(int pages)
+{
+ GtkAdjustment *adj = GetVAdj();
+ if ( !adj )
+ return false;
+
+ return DoScroll(adj, (int)ceil(pages*adj->page_increment));
+}
+
+
+// static
+wxVisualAttributes
+wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
+}
projects / wxWidgets.git / blobdiff