]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/textctrl.cpp
Do not remove GDK events for native GTK+ controls.
[wxWidgets.git] / src / gtk / textctrl.cpp
index 64a6796cb5b683af54f79ba0c9d09f6410610858..182d64038a18776ddc6f418ebdd6529a705227ff 100644 (file)
 #include "wx/gtk/private.h"
 #include <gdk/gdkkeysyms.h>
 
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
-
-extern wxWindowGTK *g_delayedFocus;
-
 // ----------------------------------------------------------------------------
 // helpers
 // ----------------------------------------------------------------------------
@@ -60,7 +54,8 @@ static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
 }
 
 extern "C" {
-static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
+static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
+                                       GtkTextBuffer *text_buffer,
                                        const wxTextAttr& attr,
                                        GtkTextIter *start,
                                        GtkTextIter *end)
@@ -75,10 +70,9 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
 
     if (attr.HasFont())
     {
-        char *font_string;
         PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
-        font_string = pango_font_description_to_string(font_description);
-        g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string);
+        wxGtkString font_string(pango_font_description_to_string(font_description));
+        g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
         tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
                                          buf );
         if (!tag)
@@ -86,7 +80,6 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
                                               "font-desc", font_description,
                                               NULL );
         gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
-        g_free (font_string);
 
         if (attr.GetFont().GetUnderlined())
         {
@@ -165,6 +158,109 @@ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
                                               "justification", align, NULL );
         gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
     }
+
+    if (attr.HasLeftIndent())
+    {
+        // Indentation attribute
+
+        // Clear old indentation tags
+        GtkTextIter para_start, para_end = *end;
+        gtk_text_buffer_get_iter_at_line( text_buffer,
+                                          &para_start,
+                                          gtk_text_iter_get_line(start) );
+        gtk_text_iter_forward_line(&para_end);
+
+        remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
+                                              G_CALLBACK(wxGtkOnRemoveTag),
+                                              gpointer("WXINDENT"));
+        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
+        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+
+        // Convert indent from 1/10th of a mm into pixels
+        float factor;
+#if GTK_CHECK_VERSION(2,2,0)
+        if (!gtk_check_version(2,2,0))
+            factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
+                      gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
+        else
+#endif
+            factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
+
+        const int indent = (int)(factor * attr.GetLeftIndent());
+        const int subIndent = (int)(factor * attr.GetLeftSubIndent());
+
+        gint gindent;
+        gint gsubindent;
+
+        if (subIndent >= 0)
+        {
+            gindent = indent;
+            gsubindent = -subIndent;
+        }
+        else
+        {
+            gindent = -subIndent;
+            gsubindent = indent;
+        }
+
+        g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
+        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,
+                                              "left-margin", gindent, "indent", gsubindent, NULL );
+        gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
+    }
+
+    if (attr.HasTabs())
+    {
+        // Set tab stops
+
+        // Clear old tabs
+        GtkTextIter para_start, para_end = *end;
+        gtk_text_buffer_get_iter_at_line( text_buffer,
+                                          &para_start,
+                                          gtk_text_iter_get_line(start) );
+        gtk_text_iter_forward_line(&para_end);
+
+        remove_handler_id = g_signal_connect (text_buffer, "remove_tag",
+                                              G_CALLBACK(wxGtkOnRemoveTag),
+                                              gpointer("WXTABS"));
+        gtk_text_buffer_remove_all_tags( text_buffer, &para_start, &para_end );
+        g_signal_handler_disconnect (text_buffer, remove_handler_id);
+
+        const wxArrayInt& tabs = attr.GetTabs();
+
+        wxString tagname = _T("WXTABS");
+        g_snprintf(buf, sizeof(buf), "WXTABS");
+        for (size_t i = 0; i < tabs.GetCount(); i++)
+            tagname += wxString::Format(_T(" %d"), tabs[i]);
+
+        const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8);
+
+        tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
+                                        buf );
+        if (!tag)
+        {
+            // Factor to convert from 1/10th of a mm into pixels
+            float factor;
+#if GTK_CHECK_VERSION(2,2,0)
+            if (!gtk_check_version(2,2,0))
+                factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
+                          gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
+            else
+#endif
+                factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
+
+            PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
+            for (size_t i = 0; i < tabs.GetCount(); i++)
+                pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
+            tag = gtk_text_buffer_create_tag( text_buffer, buf,
+                                              "tabs", tabArray, NULL );
+            pango_tab_array_free(tabArray);
+        }
+        gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
+    }
 }
 }
 
@@ -185,7 +281,7 @@ static void wxGtkTextInsert(GtkWidget *text,
 
     gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
 
-    wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter);
+    wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
 }
 }
 
@@ -456,9 +552,7 @@ gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
     if ( win->MarkDirtyOnChange() )
         win->MarkDirty();
 
-    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
-    event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->SendTextUpdatedEvent();
 }
 }
 
@@ -552,9 +646,10 @@ END_EVENT_TABLE()
 void wxTextCtrl::Init()
 {
     m_dontMarkDirty =
-    m_ignoreNextUpdate =
     m_modified = false;
 
+    m_countUpdatesToIgnore = 0;
+
     SetUpdateFont(false);
 
     m_text = NULL;
@@ -793,13 +888,11 @@ wxString wxTextCtrl::GetValue() const
         gtk_text_buffer_get_start_iter( m_buffer, &start );
         GtkTextIter end;
         gtk_text_buffer_get_end_iter( m_buffer, &end );
-        gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
+        wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
 
         const wxWxCharBuffer buf = wxGTK_CONV_BACK(text);
         if ( buf )
             tmp = buf;
-
-        g_free( text );
     }
     else
     {
@@ -830,7 +923,15 @@ wxFontEncoding wxTextCtrl::GetTextEncoding() const
     return enc;
 }
 
-void wxTextCtrl::SetValue( const wxString &value )
+bool wxTextCtrl::IsEmpty() const
+{
+    if ( IsMultiLine() )
+        return gtk_text_buffer_get_char_count(m_buffer) != 0;
+
+    return wxTextCtrlBase::IsEmpty();
+}
+
+void wxTextCtrl::DoSetValue( const wxString &value, int flags )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
@@ -841,30 +942,31 @@ void wxTextCtrl::SetValue( const wxString &value )
     m_modified = false;
     DontMarkDirtyOnNextChange();
 
-    if ( IsMultiLine() )
+    const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding()));
+    if ( !buffer )
     {
-        const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding()));
-        if ( !buffer )
-        {
-            // see comment in WriteText() as to why we must warn the user about
-            // this
-            wxLogWarning(_("Failed to set text in the text control."));
-            return;
-        }
+        // see comment in WriteText() as to why we must warn the user about
+        // this
+        wxLogWarning(_("Failed to set text in the text control."));
+        return;
+    }
 
-        if (gtk_text_buffer_get_char_count(m_buffer) != 0)
-            IgnoreNextTextUpdate();
+    // if the control is not empty, two "changed" signals are emitted,
+    // otherwise only one and we need to ignore either both or one of them
+    int ignore = flags & SetValue_SendEvent ? 0 : 1;
+    if ( !IsEmpty() )
+        ignore++;
 
+    if ( ignore )
+        IgnoreNextTextUpdate(ignore);
+
+    if ( IsMultiLine() )
+    {
         gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
     }
     else // single line
     {
-        // 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) );
+        gtk_entry_set_text( GTK_ENTRY(m_text), buffer );
     }
 
     // GRG, Jun/2000: Changed this after a lot of discussion in
@@ -947,22 +1049,22 @@ void wxTextCtrl::AppendText( const wxString &text )
 
 wxString wxTextCtrl::GetLineText( long lineNo ) const
 {
+    wxString result;
     if ( IsMultiLine() )
     {
         GtkTextIter line;
         gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
         GtkTextIter end = line;
         gtk_text_iter_forward_to_line_end(&end);
-        gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
-        wxString result(wxGTK_CONV_BACK(text));
-        g_free(text);
-        return result;
+        wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
+        result = wxGTK_CONV_BACK(text);
     }
     else
     {
-        if (lineNo == 0) return GetValue();
-        return wxEmptyString;
+        if (lineNo == 0)
+            result = GetValue();
     }
+    return result;
 }
 
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
@@ -1187,9 +1289,9 @@ void wxTextCtrl::DiscardEdits()
 
 bool wxTextCtrl::IgnoreTextUpdate()
 {
-    if ( m_ignoreNextUpdate )
+    if ( m_countUpdatesToIgnore > 0 )
     {
-        m_ignoreNextUpdate = false;
+        m_countUpdatesToIgnore--;
 
         return true;
     }
@@ -1547,15 +1649,16 @@ GtkWidget* wxTextCtrl::GetConnectWidget()
     return GTK_WIDGET(m_text);
 }
 
-bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 {
     if ( IsMultiLine() )
     {
-        return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT );  // pure guesswork
+        return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
+                                        GTK_TEXT_WINDOW_TEXT );
     }
     else
     {
-        return (window == GTK_ENTRY(m_text)->text_area);
+        return GTK_ENTRY(m_text)->text_area;
     }
 }
 
@@ -1652,7 +1755,7 @@ bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
         // colours for the others
         wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
 
-        wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
+        wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, attr, &starti, &endi );
 
         return true;
     }
@@ -1717,24 +1820,6 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
     event.Enable( CanRedo() );
 }
 
-void wxTextCtrl::OnInternalIdle()
-{
-    // Check if we have to show window now
-    if (GtkShowFromOnIdle()) return;
-
-    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...
@@ -1839,6 +1924,18 @@ void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
     GetEventHandler()->ProcessEvent(url_event);
 }
 
+bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
+{
+    bool rc = wxTextCtrlBase::GTKProcessEvent(event);
+
+    // GtkTextView starts a drag operation when left mouse button is pressed
+    // and ends it when it is released and if it doesn't get the release event
+    // the next click on a control results in an assertion failure inside
+    // gtk_text_view_start_selection_drag() which simply *kills* the program
+    // without anything we can do about it, so always let GTK+ have this event
+    return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
+}
+
 // static
 wxVisualAttributes
 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))