fixed setting selection when there are NULL pages in the tree

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index d36c312925a863275fc652d3a78af1cdc9f39634..73b66c7677224d26495339124451e738f0a54ffc 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        textctrl.cpp
+// Name:        src/gtk/textctrl.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -11,9 +11,13 @@
 #include "wx/wxprec.h"
 
 #include "wx/textctrl.h"
 #include "wx/wxprec.h"
 
 #include "wx/textctrl.h"

-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
+#endif
+

 #include "wx/math.h"
 #include "wx/settings.h"
 #include "wx/panel.h"
 #include "wx/math.h"
 #include "wx/settings.h"
 #include "wx/panel.h"


@@ -28,13 +32,6 @@
 #include "wx/gtk/private.h"
 #include <gdk/gdkkeysyms.h>
 
 #include "wx/gtk/private.h"
 #include <gdk/gdkkeysyms.h>
 

-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-

 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------


@@ -92,6 +89,19 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
                                               NULL );
         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
         g_free (font_string);
                                               NULL );
         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
         g_free (font_string);

+
+        if (attr.GetFont().GetUnderlined())
+        {
+            g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
+            tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+                                             buf );
+            if (!tag)
+                tag = gtk_text_buffer_create_tag( text_buffer, buf,
+                                                  "underline-set", TRUE,
+                                                  "underline", PANGO_UNDERLINE_SINGLE,
+                                                  NULL );
+            gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
+        }

     }
 
     if (attr.HasTextColour())
     }
 
     if (attr.HasTextColour())


@@ -594,8 +604,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
         gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 
 
         gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
 

-        if (!HasFlag(wxNO_BORDER))
-            gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
+        GtkScrolledWindowSetBorder(m_widget, style);

 
         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 
 
         gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
 


@@ -738,19 +747,18 @@ wxString wxTextCtrl::GetValue() const
         gtk_text_buffer_get_end_iter( m_buffer, &end );
         gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
 
         gtk_text_buffer_get_end_iter( m_buffer, &end );
         gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
 

-#if wxUSE_UNICODE
-        wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
-#else
-        wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
-#endif
-        if ( buffer )
-            tmp = buffer;
+        const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
+        if ( buf )
+            tmp = buf;

 
         g_free( text );
     }
     else
     {
 
         g_free( text );
     }
     else
     {

-        tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
+        const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) );
+        const wxWxCharBuffer buf = wxGTK_CONV_BACK( text );
+        if ( buf )
+            tmp = buf;

     }
 
     return tmp;
     }
 
     return tmp;


@@ -762,25 +770,26 @@ void wxTextCtrl::SetValue( const wxString &value )
 
     if (m_windowStyle & wxTE_MULTILINE)
     {
 
     if (m_windowStyle & wxTE_MULTILINE)
     {

-#if wxUSE_UNICODE
-        wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
-#else
-        wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
-#endif
-        if (gtk_text_buffer_get_char_count(m_buffer) != 0)
-            IgnoreNextTextUpdate();
-
+        const wxCharBuffer buffer(wxGTK_CONV(value));

         if ( !buffer )
         {
             // what else can we do? at least don't crash...
             return;
         }
 
         if ( !buffer )
         {
             // what else can we do? at least don't crash...
             return;
         }
 

+        if (gtk_text_buffer_get_char_count(m_buffer) != 0)
+            IgnoreNextTextUpdate();
+

         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
     }
         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
     }

-    else
+    else // single line

     {
     {

-        gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
+        // gtk_entry_set_text() emits two "changed" signals because internally
+        // it calls gtk_editable_delete_text() and gtk_editable_insert_text()
+        // but we want to have only one event
+        IgnoreNextTextUpdate();
+
+        gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV(value) );

     }
 
     // GRG, Jun/2000: Changed this after a lot of discussion in
     }
 
     // GRG, Jun/2000: Changed this after a lot of discussion in


@@ -798,6 +807,13 @@ void wxTextCtrl::WriteText( const wxString &text )
     if ( text.empty() )
         return;
 
     if ( text.empty() )
         return;
 

+    const wxCharBuffer buffer(wxGTK_CONV(text));
+    if ( !buffer )
+    {
+        // what else can we do? at least don't crash...
+        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
     // 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


@@ -805,18 +821,14 @@ void wxTextCtrl::WriteText( const wxString &text )
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {
 
     if ( m_windowStyle & wxTE_MULTILINE )
     {

-#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;
-        }
+        // First remove the selection if there is one
+        // TODO:  Is there an easier GTK specific way to do this?
+        long from, to;
+        GetSelection(&from, &to);
+        if (from != to)
+            Remove(from, to);

 
 

-        // TODO: Call whatever is needed to delete the selection.
+        // Insert the text

         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
 
         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
         wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
 
         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );


@@ -835,17 +847,6 @@ void wxTextCtrl::WriteText( const wxString &text )
         // This moves the cursor pos to behind the inserted text.
         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
 
         // This moves the cursor pos to behind the inserted text.
         gint len = gtk_editable_get_position(GTK_EDITABLE(m_text));
 

-#if wxUSE_UNICODE
-        wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
-#else
-        wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
-#endif
-        if ( !buffer )
-        {
-            // what else can we do? at least don't crash...
-            return;
-        }
-

         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
 
         // Bring entry's cursor uptodate.
         gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
 
         // Bring entry's cursor uptodate.


@@ -948,16 +949,44 @@ int wxTextCtrl::GetLineLength(long lineNo) const
     else
     {
         wxString str = GetLineText (lineNo);
     else
     {
         wxString str = GetLineText (lineNo);

-        return (int) str.Length();
+        return (int) str.length();

     }
 }
 
 int wxTextCtrl::GetNumberOfLines() const
 {
     }
 }
 
 int wxTextCtrl::GetNumberOfLines() const
 {

-    if (m_windowStyle & wxTE_MULTILINE)
-        return gtk_text_buffer_get_line_count( m_buffer );
-    else
+    if ( m_windowStyle & wxTE_MULTILINE )
+    {
+        GtkTextIter iter;
+        gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, 0 );
+
+        // move forward by one display line until the end is reached
+        int lineCount = 1;
+        while ( gtk_text_view_forward_display_line(GTK_TEXT_VIEW(m_text), &iter) )
+        {
+            lineCount++;
+        }
+
+        // If the last character in the text buffer is a newline,
+        // gtk_text_view_forward_display_line() will return false without that
+        // line being counted. Must add one manually in that case.
+        GtkTextIter lastCharIter;
+        gtk_text_buffer_get_iter_at_offset
+        (
+            m_buffer,
+            &lastCharIter,
+            gtk_text_buffer_get_char_count(m_buffer) - 1
+        );
+        gchar lastChar = gtk_text_iter_get_char( &lastCharIter );
+        if ( lastChar == wxT('\n') )
+            lineCount++;
+
+        return lineCount;
+    }
+    else // single line
+    {

         return 1;
         return 1;

+    }

 }
 
 void wxTextCtrl::SetInsertionPoint( long pos )
 }
 
 void wxTextCtrl::SetInsertionPoint( long pos )


@@ -1118,7 +1147,7 @@ void wxTextCtrl::SetSelection( long from, long to )
     if (from == -1 && to == -1)
     {
         from = 0;
     if (from == -1 && to == -1)
     {
         from = 0;

-        to = GetValue().Length();
+        to = GetValue().length();

     }
 
     if (m_windowStyle & wxTE_MULTILINE)
     }
 
     if (m_windowStyle & wxTE_MULTILINE)


@@ -1378,7 +1407,7 @@ 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.GetKeyCode() == 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);
     {
         wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
         event.SetEventObject(this);