avoid causing idle event from GetValue(), fixes #11013

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

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 3dc367da3e27bb72d7043640c8f17056ce1ac9f1..6a8d22424a41b5dac8af4015337c82f6774befbf 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())
 


@@ -149,7 +150,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 

-        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", &para_start, &para_end);

 
         GtkJustification align;
         switch (attr.GetAlignment())
 
         GtkJustification align;
         switch (attr.GetAlignment())


@@ -195,7 +196,7 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 

-        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", &para_start, &para_end);

 
         // Convert indent from 1/10th of a mm into pixels
         float factor =
 
         // Convert indent from 1/10th of a mm into pixels
         float factor =


@@ -239,14 +240,14 @@ static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 
                                           gtk_text_iter_get_line(start) );
         gtk_text_iter_forward_line(&para_end);
 

-        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
+        wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", &para_start, &para_end);

 
         const wxArrayInt& tabs = attr.GetTabs();
 
 
         const wxArrayInt& tabs = attr.GetTabs();
 

-        wxString tagname = _T("WXTABS");
+        wxString tagname = wxT("WXTABS");

         g_snprintf(buf, sizeof(buf), "WXTABS");
         for (size_t i = 0; i < tabs.GetCount(); i++)
         g_snprintf(buf, sizeof(buf), "WXTABS");
         for (size_t i = 0; i < tabs.GetCount(); i++)

-            tagname += wxString::Format(_T(" %d"), tabs[i]);
+            tagname += wxString::Format(wxT(" %d"), tabs[i]);

 
         const wxWX2MBbuf buftag = tagname.utf8_str();
 
 
         const wxWX2MBbuf buftag = tagname.utf8_str();
 


@@ -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://",


@@ -494,6 +495,27 @@ au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer),
 }
 }
 
 }
 }
 

+//-----------------------------------------------------------------------------
+//  "populate_popup" from text control and "unmap" from its poup menu
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win )
+{
+    win->GTKEnableFocusOutEvent();
+}
+}
+
+extern "C" {
+static void
+gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win )
+{
+    win->GTKDisableFocusOutEvent();
+
+    g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win );
+}
+}

 
 //-----------------------------------------------------------------------------
 //  "changed"
 
 //-----------------------------------------------------------------------------
 //  "changed"


@@ -501,7 +523,7 @@ au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer),
 
 extern "C" {
 static void
 
 extern "C" {
 static void

-gtk_text_changed_callback( GtkWidget * WXUNUSED(widget), wxTextCtrl *win )
+gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )

 {
     if ( win->IgnoreTextUpdate() )
         return;
 {
     if ( win->IgnoreTextUpdate() )
         return;


@@ -671,7 +693,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
         GTKSetWrapMode();
 
 
         GTKSetWrapMode();
 

-        GtkScrolledWindowSetBorder(m_widget, style);
+        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 );
 


@@ -682,11 +704,15 @@ bool wxTextCtrl::Create( wxWindow *parent,
         // a single-line text control: no need for scrollbars
         m_widget =
         m_text = gtk_entry_new();
         // 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);

-            
+

     }
     }

+    g_object_ref(m_widget);

 
     m_parent->DoAddChild( this );
 
 
     m_parent->DoAddChild( this );
 


@@ -711,6 +737,11 @@ bool wxTextCtrl::Create( wxWindow *parent,
                           G_CALLBACK (gtk_text_changed_callback), this);
     }
 
                           G_CALLBACK (gtk_text_changed_callback), this);
     }
 

+    // Catch to disable focus out handling
+    g_signal_connect (m_text, "populate_popup",
+                      G_CALLBACK (gtk_textctrl_populate_popup),
+                      this);
+

     if (!value.empty())
     {
         SetValue( value );
     if (!value.empty())
     {
         SetValue( value );


@@ -791,6 +822,11 @@ GtkEditable *wxTextCtrl::GetEditable() const
     return GTK_EDITABLE(m_text);
 }
 
     return GTK_EDITABLE(m_text);
 }
 

+GtkEntry *wxTextCtrl::GetEntry() const
+{
+    return GTK_ENTRY(m_text);
+}
+

 // ----------------------------------------------------------------------------
 // flags handling
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // flags handling
 // ----------------------------------------------------------------------------


@@ -955,6 +991,22 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
         return;
     }
 
         return;
     }
 

+    if (value.IsEmpty())
+    {
+        if ( !(flags & SetValue_SendEvent) )
+            EnableTextChangedEvents(false);
+
+        gtk_text_buffer_set_text( m_buffer, "", 0 );
+
+        if ( !(flags & SetValue_SendEvent) )
+            EnableTextChangedEvents(true);
+
+        return;
+    }
+
+#if wxUSE_UNICODE
+    const wxCharBuffer buffer(value.utf8_str());
+#else

     wxFontEncoding enc = m_defaultStyle.HasFont()
                             ? m_defaultStyle.GetFont().GetEncoding()
                             : wxFONTENCODING_SYSTEM;
     wxFontEncoding enc = m_defaultStyle.HasFont()
                             ? m_defaultStyle.GetFont().GetEncoding()
                             : wxFONTENCODING_SYSTEM;


@@ -969,6 +1021,7 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
         wxLogWarning(_("Failed to set text in the text control."));
         return;
     }
         wxLogWarning(_("Failed to set text in the text control."));
         return;
     }

+#endif

 
     if ( !(flags & SetValue_SendEvent) )
     {
 
     if ( !(flags & SetValue_SendEvent) )
     {


@@ -989,9 +1042,6 @@ void wxTextCtrl::DoSetValue( const wxString &value, int flags )
     {
         EnableTextChangedEvents(true);
     }
     {
         EnableTextChangedEvents(true);
     }

-
-    // This was added after discussion on the list
-    SetInsertionPoint(0);

 }
 
 void wxTextCtrl::WriteText( const wxString &text )
 }
 
 void wxTextCtrl::WriteText( const wxString &text )


@@ -1007,6 +1057,9 @@ void wxTextCtrl::WriteText( const wxString &text )
         return;
     }
 
         return;
     }
 

+#if wxUSE_UNICODE
+    const wxCharBuffer buffer(text.utf8_str());
+#else

     // check if we have a specific style for the current position
     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
     wxTextAttr style;
     // check if we have a specific style for the current position
     wxFontEncoding enc = wxFONTENCODING_SYSTEM;
     wxTextAttr style;


@@ -1027,6 +1080,7 @@ void wxTextCtrl::WriteText( const wxString &text )
         wxLogWarning(_("Failed to insert text in the control."));
         return;
     }
         wxLogWarning(_("Failed to insert text in the control."));
         return;
     }

+#endif

 
     // First remove the selection if there is one
     // TODO:  Is there an easier GTK specific way to do this?
 
     // First remove the selection if there is one
     // TODO:  Is there an easier GTK specific way to do this?


@@ -1207,6 +1261,7 @@ bool wxTextCtrl::Enable( bool enable )
     }
 
     gtk_widget_set_sensitive( m_text, enable );
     }
 
     gtk_widget_set_sensitive( m_text, enable );

+    SetCursor(enable ? wxCursor(wxCURSOR_IBEAM) : wxCursor());

 
     return true;
 }
 
     return true;
 }


@@ -1299,8 +1354,7 @@ void wxTextCtrl::SetSelection( long from, long to )
         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
 
         gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
         gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
 

-        gtk_text_buffer_place_cursor( m_buffer, &toi );
-        gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
+        gtk_text_buffer_select_range( m_buffer, &fromi, &toi );

     }
     else // single line
     {
     }
     else // single line
     {


@@ -1568,7 +1622,7 @@ void wxTextCtrl::ChangeFontGlobally()
     //
     // TODO: it can be implemented much more efficiently for GTK2
     wxASSERT_MSG( IsMultiLine(),
     //
     // TODO: it can be implemented much more efficiently for GTK2
     wxASSERT_MSG( IsMultiLine(),

-                  _T("shouldn't be called for single line controls") );
+                  wxT("shouldn't be called for single line controls") );

 
     wxString value = GetValue();
     if ( !value.empty() )
 
     wxString value = GetValue();
     if ( !value.empty() )


@@ -1620,7 +1674,7 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
         gint l = gtk_text_buffer_get_char_count( m_buffer );
 
         wxCHECK_MSG( start >= 0 && end <= l, false,
         gint l = gtk_text_buffer_get_char_count( m_buffer );
 
         wxCHECK_MSG( start >= 0 && end <= l, false,

-                     _T("invalid range in wxTextCtrl::SetStyle") );
+                     wxT("invalid range in wxTextCtrl::SetStyle") );

 
         GtkTextIter starti, endi;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
 
         GtkTextIter starti, endi;
         gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );


@@ -1635,6 +1689,50 @@ 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,
+                 _T("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);