Upport scrolling changes and mouse wheel changes.

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

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index 382b52a18eb8bd582d993c530c461fe87ceb039b..b1bed06a0136f122202a7945b68fd5bab34e3f40 100644 (file)
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -16,13 +16,11 @@
 
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
+    #include "wx/settings.h"
+    #include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
+    #include "wx/arrstr.h"
 #endif
 
-#include "wx/settings.h"
-#include "wx/arrstr.h"
-
-#include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
-
 // We use GtkCombo which has been deprecated since GTK+ 2.3.0
 // in favour of GtkComboBox for <GTK2.4 runtime
 // We also use GtkList
@@ -47,8 +45,6 @@ extern "C" {
 static void
 gtkcombo_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
     if (combo->m_ignoreNextUpdate)
     {
         combo->m_ignoreNextUpdate = false;
@@ -120,8 +116,6 @@ extern "C" {
 static void
 gtkcombo_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
     if (!combo->m_hasVMT) return;
 
     if (g_blockEventsOnDrag) return;
@@ -173,8 +167,6 @@ extern "C" {
 static void
 gtkcombobox_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
     if (!combo->m_hasVMT) return;
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
@@ -188,10 +180,11 @@ extern "C" {
 static void
 gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
     if (!combo->m_hasVMT) return;
 
+    if (combo->GetSelection() == -1)
+        return;
+
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
     event.SetInt( combo->GetSelection() );
     event.SetString( combo->GetStringSelection() );
@@ -199,6 +192,7 @@ gtkcombobox_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
     combo->GetEventHandler()->ProcessEvent( event );
 }
 }
+
 #endif
 
 //-----------------------------------------------------------------------------
@@ -248,8 +242,6 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
                          const wxString& name )
 {
     m_ignoreNextUpdate = false;
-    m_needParent = true;
-    m_acceptsFocus = true;
     m_prevSelection = 0;
 
     if (!PreCreation( parent, pos, size ) ||
@@ -347,6 +339,7 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
 
         g_signal_connect_after (m_widget, "changed",
                             G_CALLBACK (gtkcombobox_changed_callback), this);
+
     }
     else
 #endif
@@ -370,15 +363,9 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
                             this);
         g_signal_connect_after (entry, "changed",
                             G_CALLBACK (gtkcombo_text_changed_callback), this);
-
-        // This is required for tool bar support
-        // Doesn't currently work
-//        wxSize setsize = GetSize();
-//        gtk_widget_set_size_request( m_widget, setsize.x, setsize.y );
     }
 
-    SetBestSize(size); // need this too because this is a wxControlWithItems
-
+    SetInitialSize(size); // need this too because this is a wxControlWithItems
 
     return true;
 }
@@ -438,9 +425,9 @@ int wxComboBox::DoAppend( const wxString &item )
         GtkRcStyle *style = CreateWidgetStyle();
         if (style)
         {
-            gtk_widget_modify_style( GTK_WIDGET( list_item ), style );
+            gtk_widget_modify_style(list_item, style);
             GtkBin *bin = GTK_BIN( list_item );
-            GtkWidget *label = GTK_WIDGET( bin->child );
+            GtkWidget *label = bin->child;
             gtk_widget_modify_style( label, style );
             gtk_rc_style_unref( style );
         }
@@ -959,7 +946,10 @@ void wxComboBox::SetValue( const wxString& value )
 
     wxString tmp;
     if (!value.IsNull()) tmp = value;
+    
+    DisableEvents();
     gtk_entry_set_text( entry, wxGTK_CONV( tmp ) );
+    EnableEvents();
 
     InvalidateBestSize();
 }
@@ -1127,12 +1117,14 @@ void wxComboBox::Replace( long from, long to, const wxString& value )
     if (value.IsNull()) return;
     gint pos = (gint)to;
 
-#if wxUSE_UNICODE
-    wxCharBuffer buffer = wxConvUTF8.cWX2MB( value );
-    gtk_editable_insert_text( GTK_EDITABLE(entry), (const char*) buffer, strlen( (const char*) buffer ), &pos );
+    // FIXME-UTF8: wouldn't be needed if utf8_str() always returned a buffer
+#if wxUSE_UNICODE_UTF8
+    const char *utf8 = value.utf8_str();
 #else
-    gtk_editable_insert_text( GTK_EDITABLE(entry), value.c_str(), value.length(), &pos );
+    wxCharBuffer buffer(value.utf8_str());
+    const char *utf8 = buffer;
 #endif
+    gtk_editable_insert_text(GTK_EDITABLE(entry), utf8, strlen(utf8), &pos);
 }
 
 void wxComboBox::SetSelection( long from, long to )
@@ -1327,21 +1319,23 @@ GtkWidget* wxComboBox::GetConnectWidget()
     return GTK_WIDGET( entry );
 }
 
-bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
+GdkWindow *wxComboBox::GTKGetWindow(wxArrayGdkWindows& windows) const
 {
-    GtkEntry *entry = NULL;
 #ifdef __WXGTK24__
     if (!gtk_check_version(2,4,0))
     {
-        entry = GTK_ENTRY( GTK_BIN(m_widget)->child );
-        return (window == entry->text_area);
+        wxUnusedVar(windows);
+
+        return GTK_ENTRY(GTK_BIN(m_widget)->child)->text_area;
     }
     else
-#endif
+#endif // GTK+ 2.4
     {
-        entry = GTK_ENTRY( GTK_COMBO(m_widget)->entry );
-        return ( (window == entry->text_area) ||
-                 (window == GTK_COMBO(m_widget)->button->window ) );
+        windows.push_back(GTK_ENTRY(GTK_COMBO(m_widget)->entry)->text_area);
+        windows.push_back(GTK_COMBO(m_widget)->button->window);
+
+        // indicate that we return multiple windows in the windows array
+        return NULL;
     }
 }