removed corrected detection of wchar_t under Mac OS X (added in revision 1.355)

[wxWidgets.git] / src / gtk1 / textctrl.cpp

diff --git a/src/gtk1/textctrl.cpp b/src/gtk1/textctrl.cpp
index 7f5f223d94f89f66e7ec284cea24e3e57bb2df50..ec25530e465011016aea9312311fc8f97e34aa4a 100644 (file)
--- a/src/gtk1/textctrl.cpp
+++ b/src/gtk1/textctrl.cpp
@@ -21,6 +21,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <ctype.h>

+#include <math.h>               // for fabs

 
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"
 
 #include "gdk/gdk.h"
 #include "gtk/gtk.h"


@@ -40,6 +41,46 @@ extern bool g_isIdle;
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 
 extern bool       g_blockEventsOnDrag;
 extern wxCursor   g_globalCursor;
 

+// ----------------------------------------------------------------------------
+// "insert_text" for GtkEntry
+// ----------------------------------------------------------------------------
+
+static void
+gtk_insert_text_callback(GtkEditable *editable,
+                         const gchar *new_text,
+                         gint new_text_length,
+                         gint *position,
+                         wxTextCtrl *win)
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    // we should only be called if we have a max len limit at all
+    GtkEntry *entry = GTK_ENTRY (editable);
+
+    wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
+
+    // check that we don't overflow the max length limit
+    //
+    // FIXME: this doesn't work when we paste a string which is going to be
+    //        truncated
+    if ( entry->text_length == entry->text_max_length )
+    {
+        // we don't need to run the base class version at all
+        gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
+
+        // remember that the next changed signal is to be ignored to avoid
+        // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
+        win->IgnoreNextTextUpdate();
+
+        // and generate the correct one ourselves
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
+        event.SetEventObject(win);
+        event.SetString(win->GetValue());
+        win->GetEventHandler()->ProcessEvent( event );
+    }
+}
+

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


@@ -47,6 +88,9 @@ extern wxCursor   g_globalCursor;
 static void
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
 {
 static void
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
 {

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

     if (!win->m_hasVMT) return;
 
     if (g_isIdle)
     if (!win->m_hasVMT) return;
 
     if (g_isIdle)


@@ -56,8 +100,8 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
     win->UpdateFontIfNeeded();
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
     win->UpdateFontIfNeeded();
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );

-    event.SetString( win->GetValue() );

     event.SetEventObject( win );
     event.SetEventObject( win );

+    event.SetString( win->GetValue() );

     win->GetEventHandler()->ProcessEvent( event );
 }
 
     win->GetEventHandler()->ProcessEvent( event );
 }
 


@@ -76,115 +120,6 @@ gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
     win->CalculateScrollbar();
 }
 
     win->CalculateScrollbar();
 }
 

-//-----------------------------------------------------------------------------
-// "focus_in_event"
-//-----------------------------------------------------------------------------
-
-extern wxWindow  *g_focusWindow;
-extern bool       g_blockEventsOnDrag;
-// extern bool g_isIdle;
-
-static gint gtk_text_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
-{
-    // Necessary?
-#if 0
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-#endif
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
-    g_focusWindow = win;
-
-    wxPanel *panel = wxDynamicCast(win->GetParent(), wxPanel);
-    if (panel)
-    {
-        panel->SetLastFocus(win);
-    }
-
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_begin(win->m_ic, win->m_wxwindow->window);
-#endif
-
-#if 0
-#ifdef wxUSE_CARET
-    // caret needs to be informed about focus change
-    wxCaret *caret = win->GetCaret();
-    if ( caret )
-    {
-        caret->OnSetFocus();
-    }
-#endif // wxUSE_CARET
-#endif
-
-    wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
-    event.SetEventObject( win );
-
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_in_event" );
-        return TRUE;
-    }
-
-    return FALSE;
-}
-
-//-----------------------------------------------------------------------------
-// "focus_out_event"
-//-----------------------------------------------------------------------------
-
-static gint gtk_text_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win )
-{
-#if 0
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-#endif
-
-    if (!win->m_hasVMT) return FALSE;
-    if (g_blockEventsOnDrag) return FALSE;
-
-#if 0
-    // if the focus goes out of our app alltogether, OnIdle() will send
-    // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
-    // g_sendActivateEvent to -1
-    g_sendActivateEvent = 0;
-#endif
-
-    wxWindow *winFocus = wxFindFocusedChild(win);
-    if ( winFocus )
-        win = winFocus;
-
-    g_focusWindow = (wxWindow *)NULL;
-
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_end();
-#endif
-
-#if 0
-#ifdef wxUSE_CARET
-    // caret needs to be informed about focus change
-    wxCaret *caret = win->GetCaret();
-    if ( caret )
-    {
-        caret->OnKillFocus();
-    }
-#endif // wxUSE_CARET
-#endif
-
-    wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
-    event.SetEventObject( win );
-
-    if (win->GetEventHandler()->ProcessEvent( event ))
-    {
-        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus_out_event" );
-        return TRUE;
-    }
-
-    return FALSE;
-}
-

 //-----------------------------------------------------------------------------
 //  wxTextCtrl
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //  wxTextCtrl
 //-----------------------------------------------------------------------------


@@ -209,6 +144,7 @@ END_EVENT_TABLE()
 
 void wxTextCtrl::Init()
 {
 
 void wxTextCtrl::Init()
 {

+    m_ignoreNextUpdate =

     m_modified = FALSE;
     m_updateFont = FALSE;
     m_text =
     m_modified = FALSE;
     m_updateFont = FALSE;
     m_text =


@@ -309,6 +245,8 @@ bool wxTextCtrl::Create( wxWindow *parent,
     }
 
     m_parent->DoAddChild( this );
     }
 
     m_parent->DoAddChild( this );

+    
+    m_focusWidget = m_text;

 
     PostCreation();
 
 
     PostCreation();
 


@@ -330,20 +268,6 @@ bool wxTextCtrl::Create( wxWindow *parent,
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
     {
         gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
           (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );

-
-        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_in_event",
-              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );
-
-        gtk_signal_connect( GTK_OBJECT(GTK_TEXT(m_text)), "focus_out_event",
-                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );
-    }
-    else
-    {
-        gtk_signal_connect( GTK_OBJECT(m_text), "focus_in_event",
-              GTK_SIGNAL_FUNC(gtk_text_focus_in_callback), (gpointer)this );
-
-        gtk_signal_connect( GTK_OBJECT(m_text), "focus_out_event",
-                           GTK_SIGNAL_FUNC(gtk_text_focus_out_callback), (gpointer)this );

     }
 
     if (!value.IsEmpty())
     }
 
     if (!value.IsEmpty())


@@ -401,10 +325,7 @@ bool wxTextCtrl::Create( wxWindow *parent,
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 
 
     m_cursor = wxCursor( wxCURSOR_IBEAM );
 

-    // FIXME: is the bg colour correct here?
-    wxTextAttr attrDef( colFg,
-                        wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW),
-                        parent->GetFont() );
+    wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );

     SetDefaultStyle( attrDef );
 
     Show( TRUE );
     SetDefaultStyle( attrDef );
 
     Show( TRUE );


@@ -564,19 +485,21 @@ void wxTextCtrl::AppendText( const wxString &text )
     {
         if ( !m_defaultStyle.IsDefault() )
         {
     {
         if ( !m_defaultStyle.IsDefault() )
         {

-            GdkFont *font = m_defaultStyle.HasFont()
-                                ? m_defaultStyle.GetFont().GetInternalFont()
-                                : NULL;
+            wxFont font = m_defaultStyle.HasFont() ? m_defaultStyle.GetFont()
+                                                   : m_font;
+            GdkFont *fnt = font.Ok() ? font.GetInternalFont() : NULL;

 
 

-            GdkColor *colFg = m_defaultStyle.HasTextColour()
-                                ? m_defaultStyle.GetTextColour().GetColor()
-                                : NULL;
+            wxColour col = m_defaultStyle.HasTextColour()
+                                ? m_defaultStyle.GetTextColour()
+                                : m_foregroundColour;
+            GdkColor *colFg = col.Ok() ? col.GetColor() : NULL;

 
 

-            GdkColor *colBg = m_defaultStyle.HasBackgroundColour()
-                                ? m_defaultStyle.GetBackgroundColour().GetColor()
-                                : NULL;
+            col = m_defaultStyle.HasBackgroundColour()
+                    ? m_defaultStyle.GetBackgroundColour()
+                    : m_backgroundColour;
+            GdkColor *colBg = col.Ok() ? col.GetColor() : NULL;

 
 

-            gtk_text_insert( GTK_TEXT(m_text), font, colFg, colBg, txt, txtlen );
+            gtk_text_insert( GTK_TEXT(m_text), fnt, colFg, colBg, txt, txtlen );

         }
         else // no style
         {
         }
         else // no style
         {


@@ -827,6 +750,61 @@ void wxTextCtrl::DiscardEdits()
     m_modified = FALSE;
 }
 
     m_modified = FALSE;
 }
 

+// ----------------------------------------------------------------------------
+// max text length support
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::IgnoreNextTextUpdate()
+{
+    m_ignoreNextUpdate = TRUE;
+}
+
+bool wxTextCtrl::IgnoreTextUpdate()
+{
+    if ( m_ignoreNextUpdate )
+    {
+        m_ignoreNextUpdate = FALSE;
+
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+void wxTextCtrl::SetMaxLength(unsigned long len)
+{
+    if ( !HasFlag(wxTE_MULTILINE) )
+    {
+        gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
+
+        // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
+        // we had tried to enter more text than allowed by max text length and
+        // the text wasn't really changed
+        //
+        // to detect this and generate TEXT_MAXLEN event instead of
+        // TEXT_CHANGED one in this case we also catch "insert_text" signal
+        //
+        // when max len is set to 0 we disconnect our handler as it means that
+        // we shouldn't check anything any more
+        if ( len )
+        {
+            gtk_signal_connect( GTK_OBJECT(m_text),
+                                "insert_text",
+                                GTK_SIGNAL_FUNC(gtk_insert_text_callback),
+                                (gpointer)this);
+        }
+        else // no checking
+        {
+            gtk_signal_disconnect_by_func
+            (
+                GTK_OBJECT(m_text),
+                GTK_SIGNAL_FUNC(gtk_insert_text_callback),
+                (gpointer)this
+            );
+        }
+    }
+}
+

 void wxTextCtrl::SetSelection( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
 void wxTextCtrl::SetSelection( long from, long to )
 {
     wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );


@@ -1058,6 +1036,8 @@ bool wxTextCtrl::SetFont( const wxFont &font )
     {
         m_updateFont = TRUE;
 
     {
         m_updateFont = TRUE;
 

+        m_defaultStyle.SetFont(font);
+

         ChangeFontGlobally();
     }
 
         ChangeFontGlobally();
     }
 


@@ -1074,10 +1054,10 @@ void wxTextCtrl::ChangeFontGlobally()
     wxString value = GetValue();
     if ( !value.IsEmpty() )
     {
     wxString value = GetValue();
     if ( !value.IsEmpty() )
     {

+        m_updateFont = FALSE;
+

         Clear();
         AppendText(value);
         Clear();
         AppendText(value);

-
-        m_updateFont = FALSE;

     }
 }
 
     }
 }
 


@@ -1102,7 +1082,8 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 
 {
     wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
 

-    wxControl::SetBackgroundColour( colour );
+    if ( !wxControl::SetBackgroundColour( colour ) )
+        return FALSE;

 
     if (!m_widget->window)
         return FALSE;
 
     if (!m_widget->window)
         return FALSE;


@@ -1291,6 +1272,10 @@ wxSize wxTextCtrl::DoGetBestSize() const
     return wxSize(80, ret.y);
 }
 
     return wxSize(80, ret.y);
 }
 

+// ----------------------------------------------------------------------------
+// freeze/thaw
+// ----------------------------------------------------------------------------
+

 void wxTextCtrl::Freeze()
 {
     if ( HasFlag(wxTE_MULTILINE) )
 void wxTextCtrl::Freeze()
 {
     if ( HasFlag(wxTE_MULTILINE) )


@@ -1303,6 +1288,64 @@ void wxTextCtrl::Thaw()
 {
     if ( HasFlag(wxTE_MULTILINE) )
     {
 {
     if ( HasFlag(wxTE_MULTILINE) )
     {

+        GTK_TEXT(m_text)->vadj->value = 0.0;
+

         gtk_text_thaw(GTK_TEXT(m_text));
     }
 }
         gtk_text_thaw(GTK_TEXT(m_text));
     }
 }

+
+// ----------------------------------------------------------------------------
+// scrolling
+// ----------------------------------------------------------------------------
+
+GtkAdjustment *wxTextCtrl::GetVAdj() const
+{
+    return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL;
+}
+
+bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
+{
+    float value = adj->value + diff;
+
+    if ( value < 0 )
+        value = 0;
+
+    float upper = adj->upper - adj->page_size;
+    if ( value > upper )
+        value = upper;
+
+    // did we noticeably change the scroll position?
+    if ( fabs(adj->value - value) < 0.2 )
+    {
+        // well, this is what Robert does in wxScrollBar, so it must be good...
+        return FALSE;
+    }
+
+    adj->value = value;
+
+    gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
+
+    return TRUE;
+}
+
+bool wxTextCtrl::ScrollLines(int lines)
+{
+    GtkAdjustment *adj = GetVAdj();
+    if ( !adj )
+        return FALSE;
+
+    // this is hardcoded to 10 in GTK+ 1.2 (great idea)
+    static const int KEY_SCROLL_PIXELS = 10;
+
+    return DoScroll(adj, lines*KEY_SCROLL_PIXELS);
+}
+
+bool wxTextCtrl::ScrollPages(int pages)
+{
+    GtkAdjustment *adj = GetVAdj();
+    if ( !adj )
+        return FALSE;
+
+    return DoScroll(adj, (int)ceil(pages*adj->page_increment));
+}
+