X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fd0eed647daeb257f28699de879d2f4f5aeb7fb6..b5a49d4c5267d4eb933d45ec615ac2ed374750dc:/src/gtk/choice.cpp

diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp
index e0f1da1d40..103ebf3901 100644
--- a/src/gtk/choice.cpp
+++ b/src/gtk/choice.cpp
@@ -4,7 +4,7 @@
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
@@ -12,8 +12,21 @@
 #pragma implementation "choice.h"
 #endif
 
+#include "wx/defs.h"
+
+#if wxUSE_CHOICE
+
 #include "wx/choice.h"
 
+#include "wx/gtk/private.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
@@ -26,15 +39,26 @@ extern bool   g_blockEventsOnDrag;
 
 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() );
+    int n = choice->GetSelection();
+
+    event.SetInt( n );
+    event.SetString( choice->GetStringSelection() );
+    event.SetEventObject(choice);
+
+    if ( choice->HasClientObjectData() )
+        event.SetClientObject( choice->GetClientObject(n) );
+    else if ( choice->HasClientUntypedData() )
+        event.SetClientData( choice->GetClientData(n) );
+
+    choice->GetEventHandler()->ProcessEvent(event);
 }
 
 //-----------------------------------------------------------------------------
@@ -45,6 +69,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
 
 wxChoice::wxChoice()
 {
+    m_strings = (wxSortedArrayString *)NULL;
 }
 
 bool wxChoice::Create( wxWindow *parent, wxWindowID id,
@@ -53,191 +78,149 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id,
                        long style, const wxValidator& validator, const wxString &name )
 {
     m_needParent = TRUE;
-  
-    PreCreation( parent, id, pos, size, style, name );
-  
-    SetValidator( validator );
+#if (GTK_MINOR_VERSION > 0)
+    m_acceptsFocus = TRUE;
+#endif
+
+    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 );
-  
+
+    if ( style & wxCB_SORT )
+    {
+        // if our m_strings != NULL, DoAppend() will check for it and insert
+        // items in the correct order
+        m_strings = new wxSortedArrayString;
+    }
+
     GtkWidget *menu = gtk_menu_new();
-  
+
     for (int i = 0; i < n; i++)
     {
-        m_clientDataList.Append( (wxObject*) NULL );
-    
-        GtkWidget *item = gtk_menu_item_new_with_label( choices[i] );
-        gtk_menu_append( GTK_MENU(menu), item );
-    
-        gtk_widget_realize( item );
-        gtk_widget_realize( GTK_BIN(item)->child );
-    
-        gtk_widget_show( item );
-    
-        gtk_signal_connect( GTK_OBJECT( item ), "activate", 
-          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+        GtkAppendHelper(menu, choices[i]);
     }
+
     gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
-  
-    m_parent->AddChild( this );
 
-    (m_parent->m_insertCallback)( m_parent, this );
-  
+    m_parent->DoAddChild( this );
+
     PostCreation();
-  
+
+    SetFont( parent->GetFont() );
+
+    SetBestSize(size);
+
     SetBackgroundColour( parent->GetBackgroundColour() );
     SetForegroundColour( parent->GetForegroundColour() );
 
     Show( TRUE );
-    
+
     return TRUE;
 }
-      
+
 wxChoice::~wxChoice()
 {
-    wxNode *node = m_clientDataList.First();
-    while (node)
-    {
-        wxClientData *cd = (wxClientData*)node->Data();
-        if (cd) delete cd;
-        node = node->Next();
-    }
-    m_clientDataList.Clear();
+    Clear();
+
+    delete m_strings;
 }
 
-void wxChoice::AppendCommon( const wxString &item )
+int wxChoice::DoAppend( const wxString &item )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid choice" );
-  
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
+
     GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
-    GtkWidget *menu_item = gtk_menu_item_new_with_label( item );
-  
-    gtk_menu_append( GTK_MENU(menu), menu_item );
-  
-    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_widget_show( menu_item );
-}
 
-void wxChoice::Append( const wxString &item )
-{
-    m_clientDataList.Append( (wxObject*)NULL );
-  
-    AppendCommon( item );
+    return GtkAppendHelper(menu, item);
 }
 
-void wxChoice::Append( const wxString &item, void *clientData )
+void wxChoice::DoSetItemClientData( int n, void* clientData )
 {
-    if (clientData)
-        m_clientDataList.Append( (wxObject*) new wxVoidClientData( clientData ) );
-    else
-        m_clientDataList.Append( (wxObject*)NULL );
-  
-    AppendCommon( item );
-}
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
 
-void wxChoice::Append( const wxString &item, wxClientData *clientData )
-{
-    m_clientDataList.Append( (wxObject*) clientData );
-  
-    AppendCommon( item );
-}
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
 
-void wxChoice::SetClientData( int n, void* clientData )
-{
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
-  
-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return;
-  
-    wxClientData *cd = (wxClientData*) node->Data();
-    if (cd) delete cd;
-  
-    if (clientData)
-        node->SetData( (wxObject*) new wxVoidClientData(clientData) );
-    else
-        node->SetData( (wxObject*) NULL );
+    node->SetData( (wxObject*) clientData );
 }
 
-void* wxChoice::GetClientData( int n )
+void* wxChoice::DoGetItemClientData( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
-  
-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return NULL;
-    
-    wxVoidClientData *cd = (wxVoidClientData*) node->Data();
-    if (cd)
-        return cd->GetData();
-    else
-        return (void*) NULL;  
+    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
+
+    return node->Data();
 }
 
-void wxChoice::SetClientObject( int n, wxClientData* clientData )
+void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid combobox" );
-    
-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return;
-  
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
+
     wxClientData *cd = (wxClientData*) node->Data();
-    if (cd) delete cd;
-  
+    delete cd;
+
     node->SetData( (wxObject*) clientData );
 }
 
-wxClientData* wxChoice::GetClientObject( int n )
+wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
-  
-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return (wxClientData*) NULL;
-    
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );
+
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_MSG( node, (wxClientData *)NULL,
+                 wxT("invalid index in wxChoice::DoGetItemClientObject") );
+
     return (wxClientData*) node->Data();
 }
 
- 
 void wxChoice::Clear()
 {
-    wxCHECK_RET( m_widget != NULL, "invalid choice" );
+    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_clientDataList.First();
-    while (node)
+
+    if ( HasClientObjectData() )
     {
-        wxClientData *cd = (wxClientData*)node->Data();
-        if (cd) delete cd;
-        node = node->Next();
+        // destroy the data (due to Robert's idea of using wxList<wxObject>
+        // and not wxList<wxClientData> we can't just say
+        // m_clientList.DeleteContents(TRUE) - this would crash!
+        wxNode *node = m_clientList.First();
+        while ( node )
+        {
+            delete (wxClientData *)node->Data();
+            node = node->Next();
+        }
     }
-    m_clientDataList.Clear();
+    m_clientList.Clear();
+
+    if ( m_strings )
+        m_strings->Clear();
 }
 
 void wxChoice::Delete( int WXUNUSED(n) )
 {
-    wxFAIL_MSG( "wxChoice:Delete not implemented" );
+    wxFAIL_MSG( wxT("wxChoice:Delete not implemented") );
 }
 
 int wxChoice::FindString( const wxString &string ) const
 {
-    wxCHECK_MSG( m_widget != NULL, -1, "invalid choice" );
+    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;
@@ -245,29 +228,26 @@ int wxChoice::FindString( const wxString &string ) const
     {
         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 , "wxChoice: invalid label" );
-    
-       if (string == label->label) return count;
-       child = child->next;
-       count++;
+        if (bin->child)
+            label = GTK_LABEL(bin->child);
+        if (!label)
+            label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+        wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+        if (string == wxString(label->label,*wxConvCurrent))
+            return count;
+
+        child = child->next;
+        count++;
     }
-  
-    wxFAIL_MSG( "wxChoice: string not found" );
-  
-    return -1;
-}
 
-int wxChoice::GetColumns() const
-{
-    return 1;
+    return -1;
 }
 
-int wxChoice::GetSelection()
+int wxChoice::GetSelection() const
 {
-    wxCHECK_MSG( m_widget != NULL, -1, "invalid choice" );
+    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;
@@ -279,15 +259,20 @@ int wxChoice::GetSelection()
         child = child->next;
         count++;
     }
-  
-    wxFAIL_MSG( "wxChoice: no selection" );
-  
+
     return -1;
 }
 
+void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+    wxFAIL_MSG(wxT("not implemented"));
+}
+
 wxString wxChoice::GetString( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, "", "invalid choice" );
+    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;
@@ -298,36 +283,27 @@ wxString wxChoice::GetString( int n ) const
         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 , "wxChoice: invalid label" );
-      
-            return label->label;
+            if (bin->child)
+                label = GTK_LABEL(bin->child);
+            if (!label)
+                label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+            wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+            return wxString(label->label,*wxConvCurrent);
         }
         child = child->next;
         count++;
     }
-  
-    wxFAIL_MSG( "wxChoice: string not found" );
-  
-    return "";
-}
 
-wxString wxChoice::GetStringSelection() const
-{
-    wxCHECK_MSG( m_widget != NULL, "", "invalid choice" );
+    wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
 
-    GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
-  
-    wxASSERT_MSG( label != NULL , "wxChoice: invalid label" );
-  
-    return label->label;
+    return wxT("");
 }
 
-int wxChoice::Number() const
+int wxChoice::GetCount() const
 {
-    wxCHECK_MSG( m_widget != NULL, 0, "invalid choice" );
+    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;
@@ -340,50 +316,133 @@ int wxChoice::Number() const
     return count;
 }
 
-void wxChoice::SetColumns( int WXUNUSED(n) )
-{
-}
-
 void wxChoice::SetSelection( int n )
 {
-    wxCHECK_RET( m_widget != NULL, "invalid choice" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
 
     int tmp = n;
     gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
-  
-    gtk_choice_clicked_callback( (GtkWidget *) NULL, this );
-}
-
-void wxChoice::SetStringSelection( const wxString &string )
-{
-    wxCHECK_RET( m_widget != NULL, "invalid choice" );
-
-    int n = FindString( string );
-    if (n != -1) SetSelection( n );
 }
 
 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;
-    
+        if (bin->child)
+            label = bin->child;
+        if (!label)
+            label = BUTTON_CHILD(m_widget);
+
         gtk_widget_set_style( label, m_widgetStyle );
-    
+
         child = child->next;
     }
 }
 
+size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item)
+{
+    GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
+
+    size_t index;
+    if ( m_strings )
+    {
+        // sorted control, need to insert at the correct index
+        index = m_strings->Add(item);
+
+        gtk_menu_insert( GTK_MENU(menu), menu_item, index );
+
+        if ( index )
+        {
+            m_clientList.Insert( m_clientList.Item(index - 1),
+                                 (wxObject*) NULL );
+        }
+        else
+        {
+            m_clientList.Insert( (wxObject*) NULL );
+        }
+    }
+    else
+    {
+        // normal control, just append
+        gtk_menu_append( GTK_MENU(menu), menu_item );
+
+        m_clientList.Append( (wxObject*) NULL );
+
+        // don't call wxChoice::GetCount() from here because it doesn't work
+        // if we're called from ctor (and GtkMenuShell is still NULL)
+        index = m_clientList.GetCount() - 1;
+    }
+
+    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_widget_show( menu_item );
+
+    // return the index of the item in the control
+    return index;
+}
+
+wxSize wxChoice::DoGetBestSize() const
+{
+    wxSize ret( wxControl::DoGetBestSize() );
+
+    // we know better our horizontal extent: it depends on the longest string
+    // we have
+    ret.x = 0;
+    if ( m_widget )
+    {
+        GdkFont *font = m_font.GetInternalFont();
+
+        wxCoord width;
+        size_t count = GetCount();
+        for ( size_t n = 0; n < count; n++ )
+        {
+            width = (wxCoord)gdk_string_width(font, GetString(n).mbc_str());
+            if ( width > ret.x )
+                ret.x = width;
+        }
+
+        // add extra for the choice "=" button
+
+        // VZ: I don't know how to get the right value, it seems to be in
+        //     GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get
+        //     to it - maybe we can use gtk_option_menu_size_request() for this
+        //     somehow?
+        //
+        //     This default value works only for the default GTK+ theme (i.e.
+        //     no theme at all) (FIXME)
+        static const int widthChoiceIndicator = 35;
+        ret.x += widthChoiceIndicator;
+    }
+
+    // but not less than the minimal width
+    if ( ret.x < 80 )
+        ret.x = 80;
+
+    ret.y = 16 + gdk_char_height(GET_STYLE_FONT( m_widget->style ), 'H');
+
+    return ret;
+}
+
+#endif // wxUSE_CHOICE
+