X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fc71ef6e179ee4c0dc289d025b34ba045e29d919..4b7b750dd1ffd0d26b78728adb613b282a37c058:/src/gtk/textctrl.cpp

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index ee8855a367..1d41116d87 100644
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -327,10 +327,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
     if (multi_line)
         gtk_widget_show(m_text);
 
-    /* we want to be notified about text changes */
-    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
-      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
-
     if (multi_line)
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
@@ -393,11 +389,25 @@ bool wxTextCtrl::Create( wxWindow *parent,
             gtk_text_set_editable( GTK_TEXT(m_text), 1 );
     }
 
-    SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) );
-    SetForegroundColour( parent->GetForegroundColour() );
+    /* we want to be notified about text changes */
+    gtk_signal_connect( GTK_OBJECT(m_text), "changed",
+      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
+
+    /* we don't set a valid background colour, because the window
+       manager should use a default one */
+    m_backgroundColour = wxColour();
+
+    wxColour colFg = parent->GetForegroundColour();
+    SetForegroundColour( colFg );
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
+    // FIXME: is the bg colour correct here?
+    wxTextAttr attrDef( colFg,
+                        wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW),
+                        parent->GetFont() );
+    SetDefaultStyle( attrDef );
+
     Show( TRUE );
 
     return TRUE;
@@ -479,33 +489,53 @@ void wxTextCtrl::WriteText( const wxString &text )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (text.IsEmpty()) return;
+    if ( text.empty() )
+        return;
 
-    if (m_windowStyle & wxTE_MULTILINE)
+#if wxUSE_UNICODE
+    wxWX2MBbuf buf = text.mbc_str();
+    const char *txt = buf;
+    size_t txtlen = strlen(buf);
+#else
+    const char *txt = text;
+    size_t txtlen = text.length();
+#endif
+
+    if ( m_windowStyle & wxTE_MULTILINE )
     {
         /* this moves the cursor pos to behind the inserted text */
         gint len = GTK_EDITABLE(m_text)->current_pos;
 
-#if wxUSE_UNICODE
-        wxWX2MBbuf buf = text.mbc_str();
-        gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
-#else
-        gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-#endif
+        // if we have any special style, use it
+        if ( !m_defaultStyle.IsDefault() )
+        {
+            GdkFont *font = m_defaultStyle.HasFont()
+                                ? m_defaultStyle.GetFont().GetInternalFont()
+                                : NULL;
+
+            GdkColor *colFg = m_defaultStyle.HasTextColour()
+                                ? m_defaultStyle.GetTextColour().GetColor()
+                                : NULL;
+
+            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
+                                ? m_defaultStyle.GetBackgroundColour().GetColor()
+                                : NULL;
+
+            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+        }
+        else // no style
+        {
+            gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
+        }
 
         /* bring editable's cursor uptodate. bug in GTK. */
         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
     }
-    else
+    else // single line
     {
         /* this moves the cursor pos to behind the inserted text */
         gint len = GTK_EDITABLE(m_text)->current_pos;
-#if wxUSE_UNICODE
-        wxWX2MBbuf buf = text.mbc_str();
-        gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
-#else
-        gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-#endif
+        gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
 
         /* bring editable's cursor uptodate. bug in GTK. */
         GTK_EDITABLE(m_text)->current_pos += text.Len();
@@ -519,40 +549,49 @@ void wxTextCtrl::AppendText( const wxString &text )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (text.IsEmpty()) return;
+    if ( text.empty() )
+        return;
+
+#if wxUSE_UNICODE
+    wxWX2MBbuf buf = text.mbc_str();
+    const char *txt = buf;
+    size_t txtlen = strlen(buf);
+#else
+    const char *txt = text;
+    size_t txtlen = text.length();
+#endif
 
     if (m_windowStyle & wxTE_MULTILINE)
     {
-        bool hasSpecialAttributes = m_font.Ok() ||
-                                    m_foregroundColour.Ok() ||
-                                    m_backgroundColour.Ok();
-        if ( hasSpecialAttributes )
+        if ( !m_defaultStyle.IsDefault() )
         {
-             gtk_text_insert( GTK_TEXT(m_text),
-                              m_font.GetInternalFont(),
-                              m_foregroundColour.GetColor(),
-                              m_backgroundColour.GetColor(),
-                              text.mbc_str(), text.length());
+            GdkFont *font = m_defaultStyle.HasFont()
+                                ? m_defaultStyle.GetFont().GetInternalFont()
+                                : NULL;
+
+            GdkColor *colFg = m_defaultStyle.HasTextColour()
+                                ? m_defaultStyle.GetTextColour().GetColor()
+                                : NULL;
+
+            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
+                                ? m_defaultStyle.GetBackgroundColour().GetColor()
+                                : NULL;
 
+            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
         }
-        else
+        else // no style
         {
             /* we'll insert at the last position */
             gint len = gtk_text_get_length( GTK_TEXT(m_text) );
-#if wxUSE_UNICODE
-            wxWX2MBbuf buf = text.mbc_str();
-            gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len );
-#else
-            gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
-#endif
+            gtk_editable_insert_text( GTK_EDITABLE(m_text), txt, txtlen, &len );
         }
 
         /* bring editable's cursor uptodate. bug in GTK. */
         GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) );
     }
-    else
+    else // single line
     {
-        gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() );
+        gtk_entry_append_text( GTK_ENTRY(m_text), txt );
     }
 }
 
@@ -754,6 +793,7 @@ bool wxTextCtrl::Enable( bool enable )
     if (m_windowStyle & wxTE_MULTILINE)
     {
         gtk_text_set_editable( GTK_TEXT(m_text), enable );
+        OnParentEnable(enable);
     }
     else
     {
@@ -763,6 +803,26 @@ bool wxTextCtrl::Enable( bool enable )
     return TRUE;
 }
 
+// wxGTK-specific: called recursively by Enable,
+// to give widgets an oppprtunity to correct their colours after they
+// have been changed by Enable
+void wxTextCtrl::OnParentEnable( bool enable )
+{
+    // If we have a custom background colour, we use this colour in both
+    // disabled and enabled mode, or we end up with a different colour under the
+    // text.
+    wxColour oldColour = GetBackgroundColour();
+    if (oldColour.Ok())
+    {
+        // Need to set twice or it'll optimize the useful stuff out
+        if (oldColour == * wxWHITE)
+            SetBackgroundColour(*wxBLACK);
+        else
+            SetBackgroundColour(*wxWHITE);
+        SetBackgroundColour(oldColour);
+    }
+}
+
 void wxTextCtrl::DiscardEdits()
 {
     m_modified = FALSE;
@@ -866,27 +926,6 @@ void wxTextCtrl::Paste()
 #endif
 }
 
-bool wxTextCtrl::CanCopy() const
-{
-    // Can copy if there's a selection
-    long from, to;
-    GetSelection(& from, & to);
-    return (from != to) ;
-}
-
-bool wxTextCtrl::CanCut() const
-{
-    // Can cut if there's a selection
-    long from, to;
-    GetSelection(& from, & to);
-    return (from != to) && (IsEditable());
-}
-
-bool wxTextCtrl::CanPaste() const
-{
-    return IsEditable() ;
-}
-
 // Undo/redo
 void wxTextCtrl::Undo()
 {
@@ -916,20 +955,34 @@ bool wxTextCtrl::CanRedo() const
 
 // If the return values from and to are the same, there is no
 // selection.
-void wxTextCtrl::GetSelection(long* from, long* to) const
+void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 
-    if (!(GTK_EDITABLE(m_text)->has_selection))
+    long from, to;
+    if ( !(GTK_EDITABLE(m_text)->has_selection) )
     {
-        long i = GetInsertionPoint();
-        if (from) *from = i;
-        if (to)   *to = i;
-        return;
+        from =
+        to = GetInsertionPoint();
     }
+    else // got selection
+    {
+        from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
+        to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
 
-    if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
-    if (to)   *to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+        if ( from > to )
+        {
+            // exchange them to be compatible with wxMSW
+            long tmp = from;
+            from = to;
+            to = tmp;
+        }
+    }
+
+    if ( fromOut )
+        *fromOut = from;
+    if ( toOut )
+        *toOut = to;
 }
 
 bool wxTextCtrl::IsEditable() const
@@ -1035,12 +1088,15 @@ void wxTextCtrl::UpdateFontIfNeeded()
         ChangeFontGlobally();
 }
 
-bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) )
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
 {
-    wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
+    if ( !wxControl::SetForegroundColour(colour) )
+        return FALSE;
 
-    // doesn't work
-    return FALSE;
+    // update default fg colour too
+    m_defaultStyle.SetTextColour(colour);
+
+    return TRUE;
 }
 
 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
@@ -1073,9 +1129,72 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
         gdk_window_clear( window );
     }
 
+    // change active background color too
+    m_defaultStyle.SetBackgroundColour( colour );
+
     return TRUE;
 }
 
+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 ( style.IsDefault() )
+        {
+            // nothing to do
+            return TRUE;
+        }
+
+        gint l = gtk_text_get_length( GTK_TEXT(m_text) );
+
+        wxCHECK_MSG( start >= 0 && end <= l, FALSE,
+                     _T("invalid range in wxTextCtrl::SetStyle") );
+
+        gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
+        char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
+        wxString tmp(text,*wxConvCurrent);
+        g_free( text );
+
+        gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
+        gtk_editable_set_position( GTK_EDITABLE(m_text), start );
+
+#if wxUSE_UNICODE
+        wxWX2MBbuf buf = tmp.mbc_str();
+        const char *txt = buf;
+        size_t txtlen = strlen(buf);
+#else
+        const char *txt = tmp;
+        size_t txtlen = tmp.length();
+#endif
+
+        GdkFont *font = style.HasFont()
+                            ? style.GetFont().GetInternalFont()
+                            : NULL;
+
+        GdkColor *colFg = style.HasTextColour()
+                            ? style.GetTextColour().GetColor()
+                            : NULL;
+
+        GdkColor *colBg = style.HasBackgroundColour()
+                            ? style.GetBackgroundColour().GetColor()
+                            : NULL;
+
+        gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+
+        /* does not seem to help under GTK+ 1.2 !!!
+        gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
+        SetInsertionPoint( old_pos );
+        return TRUE;
+    }
+    else // singe line
+    {
+        // cannot do this for GTK+'s Entry widget
+        return FALSE;
+    }
+}
+
 void wxTextCtrl::ApplyWidgetStyle()
 {
     if (m_windowStyle & wxTE_MULTILINE)