make Delete() work in presence of client data

[wxWidgets.git] / src / gtk / textctrl.cpp

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 034a4cce4a8808760f6812649ef1197b25272312..119b1bf57d519524b4f05eb9de565405181192fa 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -7,10 +7,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "textctrl.h"
 #endif
 
 #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/textctrl.h"
 #include "wx/utils.h"
 #include "wx/intl.h"


@@ -18,6 +21,7 @@
 #include "wx/settings.h"
 #include "wx/panel.h"
 #include "wx/strconv.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 <sys/types.h>
 #include <sys/stat.h>


@@ -46,7 +50,36 @@ extern wxWindowGTK *g_delayedFocus;
 // helpers
 // ----------------------------------------------------------------------------
 
 // helpers
 // ----------------------------------------------------------------------------
 

-#ifndef __WXGTK20__
+#ifdef __WXGTK20__
+static void wxGtkTextInsert(GtkWidget *text,
+                            GtkTextBuffer *text_buffer,
+                            const wxTextAttr& attr,
+                            wxCharBuffer buffer)
+
+{
+    PangoFontDescription *font_description = attr.HasFont()
+                         ? attr.GetFont().GetNativeFontInfo()->description
+                         : NULL;
+
+    GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
+                                           : NULL;
+
+    GdkColor *colBg = attr.HasBackgroundColour()
+                        ? attr.GetBackgroundColour().GetColor()
+                        : NULL;
+
+    GtkTextTag *tag;
+    tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description,
+                                     "foreground-gdk", colFg,
+                                     "background-gdk", colBg, NULL );
+
+    GtkTextIter iter;
+    gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
+                                     gtk_text_buffer_get_insert (text_buffer) );
+
+    gtk_text_buffer_insert_with_tags( text_buffer, &iter, buffer, strlen(buffer), tag, NULL );
+}
+#else

 static void wxGtkTextInsert(GtkWidget *text,
                             const wxTextAttr& attr,
                             const char *txt,
 static void wxGtkTextInsert(GtkWidget *text,
                             const wxTextAttr& attr,
                             const char *txt,


@@ -424,10 +457,8 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 

-#ifndef __WXGTK20__

     wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );
     SetDefaultStyle( attrDef );
     wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );
     SetDefaultStyle( attrDef );

-#endif

 
     Show( TRUE );
 
 
     Show( TRUE );
 


@@ -552,8 +583,17 @@ void wxTextCtrl::WriteText( const wxString &text )
         wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
 #endif
         GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
         wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
 #endif
         GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );

-        gtk_text_buffer_insert_at_cursor( text_buffer, buffer, strlen(buffer) );

 
 

+        // 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) );
 #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) );


@@ -561,6 +601,7 @@ void wxTextCtrl::WriteText( const wxString &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
         // 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());
 
         // Bring editable's cursor back uptodate.
         wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
 
         // Bring editable's cursor back uptodate.


@@ -569,6 +610,9 @@ void wxTextCtrl::WriteText( const wxString &text )
     }
     else // single line
     {
     }
     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);
 
         // This moves the cursor pos to behind the inserted text.
         gint len = GET_EDITABLE_POS(m_text);
 


@@ -585,9 +629,6 @@ void wxTextCtrl::WriteText( const wxString &text )
         gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
 #endif
 
         gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
 #endif
 

-        // Bring editable's cursor uptodate.
-        len += text.Len();
-

         // Bring entry's cursor uptodate.
         gtk_entry_set_position( GTK_ENTRY(m_text), len );
     }
         // Bring entry's cursor uptodate.
         gtk_entry_set_position( GTK_ENTRY(m_text), len );
     }


@@ -864,6 +905,11 @@ void wxTextCtrl::OnParentEnable( bool enable )
     }
 }
 
     }
 }
 

+void wxTextCtrl::MarkDirty()
+{
+    m_modified = TRUE;
+}
+

 void wxTextCtrl::DiscardEdits()
 {
     m_modified = FALSE;
 void wxTextCtrl::DiscardEdits()
 {
     m_modified = FALSE;


@@ -928,6 +974,12 @@ void wxTextCtrl::SetSelection( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 {
     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 )
 #ifndef __WXGTK20__
     if ( (m_windowStyle & wxTE_MULTILINE) &&
          !GTK_TEXT(m_text)->line_start_cache )


@@ -941,7 +993,14 @@ void wxTextCtrl::SetSelection( long from, long to )
     if (m_windowStyle & wxTE_MULTILINE)
     {
 #ifdef __WXGTK20__
     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 );
 #endif


@@ -954,9 +1013,16 @@ void wxTextCtrl::SetSelection( long from, long to )
 
 void wxTextCtrl::ShowPosition( long pos )
 {
 
 void wxTextCtrl::ShowPosition( long pos )
 {

-#ifndef __WXGTK20__

     if (m_windowStyle & wxTE_MULTILINE)
     {
     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;
         GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
         float totalLines =  (float) GetNumberOfLines();
         long posX;


@@ -965,8 +1031,8 @@ void wxTextCtrl::ShowPosition( long pos )
         float posLine = (float) posY;
         float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
         gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
         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

     }
     }

-#endif

 }
 
 long wxTextCtrl::GetInsertionPoint() const
 }
 
 long wxTextCtrl::GetInsertionPoint() const


@@ -1025,29 +1091,44 @@ void wxTextCtrl::Remove( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-#ifndef __WXGTK20__
-    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+#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
 #endif

+    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );

 }
 
 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 }
 
 void wxTextCtrl::Replace( long from, long to, const wxString &value )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-#ifndef __WXGTK20__
-    gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+    Remove( from, to );

 
     if (!value.IsEmpty())
     {
 
     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 );
         gint pos = (gint)from;
 #if wxUSE_UNICODE
         wxWX2MBbuf buf = value.mbc_str();
         gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
 #else
         gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );

-#endif
+#endif // wxUSE_UNICODE
+#endif // GTK 1.x/2.x

     }
     }

-#endif

 }
 
 void wxTextCtrl::Cut()
 }
 
 void wxTextCtrl::Cut()


@@ -1110,31 +1191,49 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 

-    gint from, to;
+    gint from = -1;
+    gint to = -1;
+    bool haveSelection = FALSE;
+

 #ifdef __WXGTK20__
 #ifdef __WXGTK20__

-    if ( !gtk_editable_get_selection_bounds(GTK_EDITABLE(m_text), &from, &to) )
-#else
-    if ( !(GTK_EDITABLE(m_text)->has_selection) )
-#endif
-    {
-        from =
-        to = GetInsertionPoint();
-    }
-    else // got selection
-    {
-#ifndef __WXGTK20__
-        from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
-        to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+     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
 
 #endif
 

-        if ( from > to )
-        {
-            // exchange them to be compatible with wxMSW
-            gint tmp = from;
-            from = to;
-            to = tmp;
-        }
-    }
+     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 ( fromOut )
         *fromOut = from;


@@ -1142,12 +1241,20 @@ void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
         *toOut = to;
 }
 
         *toOut = to;
 }
 

+

 bool wxTextCtrl::IsEditable() const
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 #ifdef __WXGTK20__
 bool wxTextCtrl::IsEditable() const
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 #ifdef __WXGTK20__

-    return gtk_editable_get_editable(GTK_EDITABLE(m_text));
+    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
 #else
     return GTK_EDITABLE(m_text)->editable;
 #endif


@@ -1167,7 +1274,7 @@ void wxTextCtrl::OnChar( wxKeyEvent &key_event )
 {
     wxCHECK_RET( m_text != NULL, wxT("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 & wxPROCESS_ENTER))

     {
         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
         event.SetEventObject(this);
     {
         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
         event.SetEventObject(this);


@@ -1175,7 +1282,7 @@ void wxTextCtrl::OnChar( wxKeyEvent &key_event )
         if (GetEventHandler()->ProcessEvent(event)) return;
     }
 
         if (GetEventHandler()->ProcessEvent(event)) return;
     }
 

-    if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
+    if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))

     {
         // This will invoke the dialog default action, such
         // as the clicking the default button.
     {
         // This will invoke the dialog default action, such
         // as the clicking the default button.


@@ -1318,16 +1425,50 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 
 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
 {
 
 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
 {

-    /* VERY dirty way to do that - removes the required text and re-adds it
-       with styling (FIXME) */

     if ( m_windowStyle & wxTE_MULTILINE )
     {
     if ( m_windowStyle & wxTE_MULTILINE )
     {

-#ifndef __WXGTK20__

         if ( style.IsDefault() )
         {
             // nothing to do
             return TRUE;
         }
         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) );
 
 
         gint l = gtk_text_get_length( GTK_TEXT(m_text) );
 


@@ -1470,7 +1611,8 @@ void wxTextCtrl::OnInternalIdle()
         }
     }
 
         }
     }
 

-    UpdateWindowUI();
+    if (wxUpdateUIEvent::CanUpdate(this))
+        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);

 }
 
 wxSize wxTextCtrl::DoGetBestSize() const
 }
 
 wxSize wxTextCtrl::DoGetBestSize() const