Add some version checks to help compiling on OSX.

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 167cfcb38a8dc2003323ca3f7ce389a83b2b900f..ae9f03cd169cf382219b3c30f3437857deead9bf 100644 (file)
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -22,6 +22,7 @@
     #include "wx/math.h"
 #endif
 
     #include "wx/math.h"
 #endif
 

+#include "wx/scopeguard.h"

 #include "wx/strconv.h"
 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
 
 #include "wx/strconv.h"
 #include "wx/fontutil.h"        // for wxNativeFontInfo (GetNativeFontInfo())
 


@@ -350,7 +351,7 @@ extern "C" {
 static void
 au_check_word( GtkTextIter *s, GtkTextIter *e )
 {
 static void
 au_check_word( GtkTextIter *s, GtkTextIter *e )
 {

-    static const char *URIPrefixes[] =
+    static const char *const URIPrefixes[] =

     {
         "http://",
         "ftp://",
     {
         "http://",
         "ftp://",


@@ -579,10 +580,20 @@ gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------

-//  wxTextCtrl
+//  "mark_set"

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
+extern "C" {
+static void mark_set(GtkTextBuffer*, GtkTextIter*, GtkTextMark* mark, GSList** markList)
+{
+    if (gtk_text_mark_get_name(mark) == NULL)
+        *markList = g_slist_prepend(*markList, mark);
+}
+}
+
+//-----------------------------------------------------------------------------
+//  wxTextCtrl
+//-----------------------------------------------------------------------------

 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
     EVT_CHAR(wxTextCtrl::OnChar)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
     EVT_CHAR(wxTextCtrl::OnChar)


@@ -621,16 +632,13 @@ void wxTextCtrl::Init()
 
     m_text = NULL;
     m_showPositionOnThaw = NULL;
 
     m_text = NULL;
     m_showPositionOnThaw = NULL;

-    m_gdkHandCursor = NULL;
-    m_gdkXTermCursor = NULL;
+    m_anonymousMarkList = NULL;

 }
 
 wxTextCtrl::~wxTextCtrl()
 {
 }
 
 wxTextCtrl::~wxTextCtrl()
 {

-    if(m_gdkHandCursor)
-        gdk_cursor_unref(m_gdkHandCursor);
-    if(m_gdkXTermCursor)
-        gdk_cursor_unref(m_gdkXTermCursor);
+    if (m_anonymousMarkList)
+        g_slist_free(m_anonymousMarkList);

 }
 
 wxTextCtrl::wxTextCtrl( wxWindow *parent,
 }
 
 wxTextCtrl::wxTextCtrl( wxWindow *parent,


@@ -667,10 +675,13 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     if (multi_line)
     {
 
     if (multi_line)
     {

+        m_buffer = gtk_text_buffer_new(NULL);
+        gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList);

         // Create view
         // Create view

-        m_text = gtk_text_view_new();
-
-        m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
+        m_text = gtk_text_view_new_with_buffer(m_buffer);
+        // gtk_text_view_set_buffer adds its own reference
+        g_object_unref(m_buffer);
+        g_signal_handler_disconnect(m_buffer, sig_id);

 
         // create "ShowPosition" marker
         GtkTextIter iter;
 
         // create "ShowPosition" marker
         GtkTextIter iter;


@@ -685,7 +696,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
                                             ? GTK_POLICY_NEVER
                                             : GTK_POLICY_AUTOMATIC );
         // for ScrollLines/Pages
                                             ? GTK_POLICY_NEVER
                                             : GTK_POLICY_AUTOMATIC );
         // for ScrollLines/Pages

-        m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
+        m_scrollBar[1] = GTK_RANGE(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(m_widget)));

 
         // Insert view into scrolled window
         gtk_container_add( GTK_CONTAINER(m_widget), m_text );
 
         // Insert view into scrolled window
         gtk_container_add( GTK_CONTAINER(m_widget), m_text );


@@ -696,13 +707,16 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
         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 );
 

-        GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
+        gtk_widget_set_can_focus(m_widget, FALSE);

     }
     else
     {
         // a single-line text control: no need for scrollbars
         m_widget =
         m_text = gtk_entry_new();
     }
     else
     {
         // a single-line text control: no need for scrollbars
         m_widget =
         m_text = gtk_entry_new();

+        // work around probable bug in GTK+ 2.18 when calling WriteText on a
+        // new, empty control, see http://trac.wxwidgets.org/ticket/11409
+        gtk_entry_get_text((GtkEntry*)m_text);

 
         if (style & wxNO_BORDER)
             g_object_set (m_text, "has-frame", FALSE, NULL);
 
         if (style & wxNO_BORDER)
             g_object_set (m_text, "has-frame", FALSE, NULL);


@@ -759,8 +773,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
         if (style & wxTE_AUTO_URL)
         {
             GtkTextIter start, end;
         if (style & wxTE_AUTO_URL)
         {
             GtkTextIter start, end;

-            m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
-            m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);

 
             // We create our wxUrl tag here for slight efficiency gain - we
             // don't have to check for the tag existance in callbacks,
 
             // We create our wxUrl tag here for slight efficiency gain - we
             // don't have to check for the tag existance in callbacks,


@@ -1088,13 +1100,19 @@ void wxTextCtrl::WriteText( const wxString &text )
     // Insert the text
     wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
 
     // Insert the text
     wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
 

-    GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );

     // Scroll to cursor, but only if scrollbar thumb is at the very bottom
     // won't work when frozen, text view is not using m_buffer then
     // Scroll to cursor, but only if scrollbar thumb is at the very bottom
     // won't work when frozen, text view is not using m_buffer then

-    if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
+    if (!IsFrozen())

     {
     {

-        gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
-                gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
+        GtkAdjustment* adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
+        const double value = gtk_adjustment_get_value(adj);
+        const double upper = gtk_adjustment_get_upper(adj);
+        const double page_size = gtk_adjustment_get_page_size(adj);
+        if (wxIsSameDouble(value, upper - page_size))
+        {
+            gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(m_text),
+                gtk_text_buffer_get_insert(m_buffer), 0, false, 0, 1);
+        }

     }
 }
 
     }
 }
 


@@ -1147,7 +1165,7 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
     }
     else // single line control
     {
     }
     else // single line control
     {

-        if ( pos <= GTK_ENTRY(m_text)->text_length )
+        if (pos <= gtk_entry_get_text_length(GTK_ENTRY(m_text)))

         {
             if ( y )
                 *y = 0;
         {
             if ( y )
                 *y = 0;


@@ -1200,6 +1218,37 @@ int wxTextCtrl::GetLineLength(long lineNo) const
     }
 }
 
     }
 }
 

+wxPoint wxTextCtrl::DoPositionToCoords(long pos) const
+{
+    if ( !IsMultiLine() )
+    {
+        // Single line text entry (GtkTextEntry) doesn't have support for
+        // getting the coordinates for the given offset. Perhaps we could
+        // find them ourselves by using GetTextExtent() but for now just leave
+        // it unimplemented, this function is more useful for multiline
+        // controls anyhow.
+        return wxDefaultPosition;
+    }
+
+    // Window coordinates for the given position is calculated by getting
+    // the buffer coordinates and converting them to window coordinates.
+    GtkTextView *textview = GTK_TEXT_VIEW(m_text);
+
+    GtkTextIter iter;
+    gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
+
+    GdkRectangle bufferCoords;
+    gtk_text_view_get_iter_location(textview, &iter, &bufferCoords);
+
+    gint winCoordX = 0,
+         winCoordY = 0;
+    gtk_text_view_buffer_to_window_coords(textview, GTK_TEXT_WINDOW_WIDGET,
+                                          bufferCoords.x, bufferCoords.y,
+                                          &winCoordX, &winCoordY);
+
+    return wxPoint(winCoordX, winCoordY);
+}
+

 int wxTextCtrl::GetNumberOfLines() const
 {
     if ( IsMultiLine() )
 int wxTextCtrl::GetNumberOfLines() const
 {
     if ( IsMultiLine() )


@@ -1271,7 +1320,7 @@ void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
     // disabled and enabled mode, or we end up with a different colour under the
     // text.
     wxColour oldColour = GetBackgroundColour();
     // disabled and enabled mode, or we end up with a different colour under the
     // text.
     wxColour oldColour = GetBackgroundColour();

-    if (oldColour.Ok())
+    if (oldColour.IsOk())

     {
         // Need to set twice or it'll optimize the useful stuff out
         if (oldColour == * wxWHITE)
     {
         // Need to set twice or it'll optimize the useful stuff out
         if (oldColour == * wxWHITE)


@@ -1338,14 +1387,14 @@ 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();
-    }
-

     if ( IsMultiLine() )
     {
     if ( IsMultiLine() )
     {

+        if (from == -1 && to == -1)
+        {
+            from = 0;
+            to = GetValue().length();
+        }
+

         GtkTextIter fromi, toi;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
         GtkTextIter fromi, toi;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );


@@ -1584,7 +1633,7 @@ GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
     }
     else
     {
     }
     else
     {

-        return GTK_ENTRY(m_text)->text_area;
+        return gtk_entry_get_text_window(GTK_ENTRY(m_text));

     }
 }
 
     }
 }
 


@@ -1648,7 +1697,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     if ( !wxControl::SetBackgroundColour( colour ) )
         return false;
 
     if ( !wxControl::SetBackgroundColour( colour ) )
         return false;
 

-    if (!m_backgroundColour.Ok())
+    if (!m_backgroundColour.IsOk())

         return false;
 
     // change active background color too
         return false;
 
     // change active background color too


@@ -1685,6 +1734,50 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
     return false;
 }
 
     return false;
 }
 

+bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
+{
+    if ( !IsMultiLine() )
+    {
+        // no styles for GtkEntry
+        return false;
+    }
+
+    gint l = gtk_text_buffer_get_char_count( m_buffer );
+
+    wxCHECK_MSG( position >= 0 && position <= l, false,
+                 wxT("invalid range in wxTextCtrl::GetStyle") );
+
+    GtkTextIter positioni;
+    gtk_text_buffer_get_iter_at_offset(m_buffer, &positioni, position);
+
+    // Obtain a copy of the default attributes
+    GtkTextAttributes * const
+        pattr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(m_text));
+    wxON_BLOCK_EXIT1( g_free, pattr );
+
+    // And query GTK for the attributes at the given position using it as base
+    if ( !gtk_text_iter_get_attributes(&positioni, pattr) )
+    {
+        style = m_defaultStyle;
+    }
+    else // have custom attributes
+    {
+        style.SetBackgroundColour(pattr->appearance.bg_color);
+        style.SetTextColour(pattr->appearance.fg_color);
+
+        const wxGtkString
+            pangoFontString(pango_font_description_to_string(pattr->font));
+
+        wxFont font;
+        if ( font.SetNativeFontInfo(wxString(pangoFontString)) )
+            style.SetFont(font);
+
+        // TODO: set alignment, tabs and indents
+    }
+
+    return true;
+}
+

 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
 {
     gtk_widget_modify_style(m_text, style);
 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
 {
     gtk_widget_modify_style(m_text, style);


@@ -1766,16 +1859,24 @@ void wxTextCtrl::DoFreeze()
         // removing buffer dramatically speeds up insertion:
         g_object_ref(m_buffer);
         GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
         // removing buffer dramatically speeds up insertion:
         g_object_ref(m_buffer);
         GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);

-        GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;

         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
         // gtk_text_view_set_buffer adds its own reference
         g_object_unref(buf_new);
         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
         // gtk_text_view_set_buffer adds its own reference
         g_object_unref(buf_new);

-        // This mark should be deleted when the buffer is changed,
-        // but it's not (in GTK+ up to at least 2.10.6).
+        // These marks should be deleted when the buffer is changed,
+        // but they are not (in GTK+ up to at least 3.0.1).

         // Otherwise these anonymous marks start to build up in the buffer,
         // and Freeze takes longer and longer each time it is called.
         // Otherwise these anonymous marks start to build up in the buffer,
         // and Freeze takes longer and longer each time it is called.

-        if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
-            gtk_text_buffer_delete_mark(m_buffer, mark);
+        if (m_anonymousMarkList)
+        {
+            for (GSList* item = m_anonymousMarkList; item; item = item->next)
+            {
+                GtkTextMark* mark = static_cast<GtkTextMark*>(item->data);
+                if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
+                    gtk_text_buffer_delete_mark(m_buffer, mark);
+            }
+            g_slist_free(m_anonymousMarkList);
+            m_anonymousMarkList = NULL;
+        }

     }
 }
 
     }
 }
 


@@ -1784,8 +1885,10 @@ void wxTextCtrl::DoThaw()
     if ( HasFlag(wxTE_MULTILINE) )
     {
         // reattach buffer:
     if ( HasFlag(wxTE_MULTILINE) )
     {
         // reattach buffer:

+        gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList);

         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
         g_object_unref(m_buffer);
         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
         g_object_unref(m_buffer);

+        g_signal_handler_disconnect(m_buffer, sig_id);

 
         if (m_showPositionOnThaw != NULL)
         {
 
         if (m_showPositionOnThaw != NULL)
         {


@@ -1825,13 +1928,11 @@ void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
     if (!gtk_text_iter_has_tag(&end, tag))
     {
     gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
     if (!gtk_text_iter_has_tag(&end, tag))
     {

-        gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
-                              GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
+        SetCursor(wxCursor(wxCURSOR_IBEAM));

         return;
     }
 
         return;
     }
 

-    gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
-                          GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
+    SetCursor(wxCursor(wxCURSOR_HAND));

 
     start = end;
     if(!gtk_text_iter_begins_tag(&start, tag))
 
     start = end;
     if(!gtk_text_iter_begins_tag(&start, tag))