Added wxMenu::Delete() and fixed some menu deleted memory

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

diff --git a/src/gtk1/choice.cpp b/src/gtk1/choice.cpp
index 09af84d007cdba14185c1999f21a953bf4520f73..32322e0a7fd9c15a262f549af2137007fc503c11 100644 (file)
--- a/src/gtk1/choice.cpp
+++ b/src/gtk1/choice.cpp
@@ -2,10 +2,9 @@
 // Name:        choice.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        choice.cpp
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 


@@ -15,6 +14,18 @@
 
 #include "wx/choice.h"
 
 
 #include "wx/choice.h"
 

+#if wxUSE_CHOICE
+
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+

 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------


@@ -22,189 +33,391 @@
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------

-// wxChoice
+// "activate"

 //-----------------------------------------------------------------------------
 
 static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
 {
 //-----------------------------------------------------------------------------
 
 static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
 {

-  if (!choice->HasVMT()) return;
-  if (g_blockEventsOnDrag) return;
-  
-  wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
-  event.SetInt( choice->GetSelection() );
-  wxString tmp( choice->GetStringSelection() );
-  event.SetString( WXSTRINGCAST(tmp) );
-  event.SetEventObject(choice);
-  choice->GetEventHandler()->ProcessEvent(event);
-};
+    if (g_isIdle) 
+      wxapp_install_idle_handler();
+
+    if (!choice->m_hasVMT) return;

 
 

+    if (g_blockEventsOnDrag) return;
+
+    wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
+    event.SetInt( choice->GetSelection() );
+    event.SetString( choice->GetStringSelection() );
+    event.SetEventObject(choice);
+    choice->GetEventHandler()->ProcessEvent(event);
+}
+
+//-----------------------------------------------------------------------------
+// wxChoice

 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
 
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
 

-wxChoice::wxChoice(void)
+wxChoice::wxChoice()

 {
 {

-};
+}

 
 

-wxChoice::wxChoice( wxWindow *parent, wxWindowID id,
-      const wxPoint &pos, const wxSize &size,
-      int n, const wxString choices[],
-      long style, const wxString &name )
+bool wxChoice::Create( wxWindow *parent, wxWindowID id,
+                       const wxPoint &pos, const wxSize &size,
+                       int n, const wxString choices[],
+                       long style, const wxValidator& validator, const wxString &name )

 {
 {

-  Create( parent, id, pos, size, n, choices, style, name );
-};
+    m_needParent = TRUE;
+#if (GTK_MINOR_VERSION > 0)
+    m_acceptsFocus = TRUE;
+#endif

 
 

-bool wxChoice::Create( wxWindow *parent, wxWindowID id,
-      const wxPoint &pos, const wxSize &size,
-      int n, const wxString choices[],
-      long style, const wxString &name )
-{
-  m_needParent = TRUE;
-  
-  PreCreation( parent, id, pos, size, style, name );
-  
-  m_widget = gtk_option_menu_new();
-  
-  wxSize newSize = size;
-  if (newSize.x == -1) newSize.x = 80;
-  if (newSize.y == -1) newSize.y = 26;
-  SetSize( newSize.x, newSize.y );
-  
-  GtkWidget *menu;
-  menu = gtk_menu_new();
-  
-  for (int i = 0; i < n; i++)
-  {
-    GtkWidget *item;
-    item = gtk_menu_item_new_with_label( choices[i] );
-    gtk_signal_connect( GTK_OBJECT( item ), "activate", 
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxChoice creation failed") );
+       return FALSE;
+    }
+
+    m_widget = gtk_option_menu_new();
+
+    wxSize newSize(size);
+    if (newSize.x == -1)
+        newSize.x = 80;
+    if (newSize.y == -1)
+        newSize.y = 26;
+    SetSize( newSize.x, newSize.y );
+
+    GtkWidget *menu = gtk_menu_new();
+
+    for (int i = 0; i < n; i++)
+    {
+        m_clientDataList.Append( (wxObject*) NULL );
+        m_clientObjectList.Append( (wxObject*) NULL );
+
+        GtkWidget *item = gtk_menu_item_new_with_label( choices[i].mbc_str() );
+        gtk_menu_append( GTK_MENU(menu), item );
+
+        gtk_widget_show( item );
+
+        gtk_signal_connect( GTK_OBJECT( item ), "activate",
+          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+    }
+    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+    m_parent->DoAddChild( this );
+
+    PostCreation();
+
+    SetBackgroundColour( parent->GetBackgroundColour() );
+    SetForegroundColour( parent->GetForegroundColour() );
+    SetFont( parent->GetFont() );
+
+    Show( TRUE );
+
+    return TRUE;
+}
+
+wxChoice::~wxChoice()
+{
+    Clear();
+}
+
+void wxChoice::AppendCommon( const wxString &item )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
+    GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
+
+    gtk_menu_append( GTK_MENU(menu), menu_item );
+
+    if (GTK_WIDGET_REALIZED(m_widget))
+    {
+        gtk_widget_realize( menu_item );
+        gtk_widget_realize( GTK_BIN(menu_item)->child );
+
+        if (m_widgetStyle) ApplyWidgetStyle();
+    }
+
+    gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",

       GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
       GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );

-    gtk_menu_append( GTK_MENU(menu), item );
-    gtk_widget_show( item );
-  };
-  gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
-  
-  PostCreation();
-  
-  Show( TRUE );
-    
-  return TRUE;
-};
-      
+
+    gtk_widget_show( menu_item );
+}
+

 void wxChoice::Append( const wxString &item )
 {
 void wxChoice::Append( const wxString &item )
 {

-  GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
-  GtkWidget *menu_item;
-  menu_item = gtk_menu_item_new_with_label( item );
-  gtk_signal_connect( GTK_OBJECT( menu_item ), "activate", 
-    GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
-  gtk_menu_append( GTK_MENU(menu), menu_item );
-  gtk_widget_show( menu_item );
-};
- 
-void wxChoice::Clear(void)
-{
-  gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
-  GtkWidget *menu = gtk_menu_new();
-  gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
-};
+    m_clientDataList.Append( (wxObject*) NULL );
+    m_clientObjectList.Append( (wxObject*) NULL );
+
+    AppendCommon( item );
+}
+
+void wxChoice::Append( const wxString &item, void *clientData )
+{
+    m_clientDataList.Append( (wxObject*) clientData );
+    m_clientObjectList.Append( (wxObject*) NULL );
+
+    AppendCommon( item );
+}
+
+void wxChoice::Append( const wxString &item, wxClientData *clientData )
+{
+    m_clientObjectList.Append( (wxObject*) clientData );
+    m_clientDataList.Append( (wxObject*) NULL );
+
+    AppendCommon( item );
+}
+
+void wxChoice::SetClientData( int n, void* clientData )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+
+    wxNode *node = m_clientDataList.Nth( n );
+    if (!node) return;
+
+    node->SetData( (wxObject*) clientData );
+}
+
+void* wxChoice::GetClientData( int n )
+{
+    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
+
+    wxNode *node = m_clientDataList.Nth( n );
+    if (!node) return NULL;
+
+    return node->Data();
+}
+
+void wxChoice::SetClientObject( int n, wxClientData* clientData )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+
+    wxNode *node = m_clientObjectList.Nth( n );
+    if (!node) return;
+
+    wxClientData *cd = (wxClientData*) node->Data();
+    if (cd) delete cd;
+
+    node->SetData( (wxObject*) clientData );
+}
+
+wxClientData* wxChoice::GetClientObject( int n )
+{
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid combobox") );
+
+    wxNode *node = m_clientObjectList.Nth( n );
+    if (!node) return (wxClientData*) NULL;
+
+    return (wxClientData*) node->Data();
+}
+
+void wxChoice::Clear()
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
+    GtkWidget *menu = gtk_menu_new();
+    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+    wxNode *node = m_clientObjectList.First();
+    while (node)
+    {
+        wxClientData *cd = (wxClientData*)node->Data();
+        if (cd) delete cd;
+        node = node->Next();
+    }
+    m_clientObjectList.Clear();
+
+    m_clientDataList.Clear();
+}
+
+void wxChoice::Delete( int WXUNUSED(n) )
+{
+    wxFAIL_MSG( wxT("wxChoice:Delete not implemented") );
+}

 
 int wxChoice::FindString( const wxString &string ) const
 {
 
 int wxChoice::FindString( const wxString &string ) const
 {

-  // If you read this code once and you think you understand
-  // it, then you are very wrong. Robert Roebling.
-  
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    GtkLabel *label = NULL;
-    if (bin->child) label = GTK_LABEL(bin->child);
-    if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-    if (string == label->label) return count;
-    child = child->next;
-    count++;
-  };
-  return -1;
-};
-
-int wxChoice::GetColumns(void) const
-{
-  return 1;
-};
-
-int wxChoice::GetSelection(void)
-{
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    if (!bin->child) return count;
-    child = child->next;
-    count++;
-  };
-  return -1;
-};
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+
+    // If you read this code once and you think you understand
+    // it, then you are very wrong. Robert Roebling.
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkLabel *label = (GtkLabel *) NULL;
+        if (bin->child) label = GTK_LABEL(bin->child);
+        if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
+
+        wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+       if (string == wxString(label->label,*wxConvCurrent))
+           return count;
+
+       child = child->next;
+       count++;
+    }
+
+    return -1;
+}
+
+int wxChoice::GetColumns() const
+{
+    return 1;
+}
+
+int wxChoice::GetSelection()
+{
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        if (!bin->child) return count;
+        child = child->next;
+        count++;
+    }
+
+    return -1;
+}

 
 wxString wxChoice::GetString( int n ) const
 {
 
 wxString wxChoice::GetString( int n ) const
 {

-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    GtkBin *bin = GTK_BIN( child->data );
-    if (count == n)
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        if (count == n)
+        {
+            GtkLabel *label = (GtkLabel *) NULL;
+            if (bin->child) label = GTK_LABEL(bin->child);
+            if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
+
+            wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+            return wxString(label->label,*wxConvCurrent);
+        }
+        child = child->next;
+        count++;
+    }
+
+    wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
+
+    return wxT("");
+}
+
+wxString wxChoice::GetStringSelection() const
+{
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
+
+    GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
+
+    wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+    return wxString(label->label,*wxConvCurrent);
+}
+
+int wxChoice::Number() const
+{
+    wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)

     {
     {

-      GtkLabel *label = NULL;
-      if (bin->child) label = GTK_LABEL(bin->child);
-      if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-      return label->label;
-    };
-    child = child->next;
-    count++;
-  };
-  return "";
-};
-
-wxString wxChoice::GetStringSelection(void) const
-{
-  GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-  return label->label;
-};
-
-int wxChoice::Number(void) const
-{
-  GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-  int count = 0;
-  GList *child = menu_shell->children;
-  while (child)
-  {
-    count++;
-    child = child->next;
-  };
-  return count;
-};
+        count++;
+        child = child->next;
+    }
+    return count;
+}

 
 void wxChoice::SetColumns( int WXUNUSED(n) )
 {
 
 void wxChoice::SetColumns( int WXUNUSED(n) )
 {

-};
+}

 
 void wxChoice::SetSelection( int n )
 {
 
 void wxChoice::SetSelection( int n )
 {

-  int tmp = n;
-  gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
-  
-  gtk_choice_clicked_callback( NULL, this );
-};
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    int tmp = n;
+    gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
+}

 
 void wxChoice::SetStringSelection( const wxString &string )
 {
 
 void wxChoice::SetStringSelection( const wxString &string )
 {

-  int n = FindString( string );
-  if (n != -1) SetSelection( n );
-};
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    int n = FindString( string );
+    if (n != -1) SetSelection( n );
+}
+
+void wxChoice::DisableEvents()
+{
+/*
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        gtk_signal_disconnect_by_func( GTK_OBJECT( child->data ),
+          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+
+        child = child->next;
+    }
+*/
+}
+
+void wxChoice::EnableEvents()
+{
+/*
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        gtk_signal_connect( GTK_OBJECT( child->data ), "activate",
+          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+
+        child = child->next;
+    }
+*/
+}
+
+void wxChoice::ApplyWidgetStyle()
+{
+    SetWidgetStyle();
+
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );

 
 

+    gtk_widget_set_style( m_widget, m_widgetStyle );
+    gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
+
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
+
+        GtkBin *bin = GTK_BIN( child->data );
+        GtkWidget *label = (GtkWidget *) NULL;
+        if (bin->child) label = bin->child;
+        if (!label) label = GTK_BUTTON(m_widget)->child;
+
+        gtk_widget_set_style( label, m_widgetStyle );
+
+        child = child->next;
+    }
+}
+
+#endif