docs corrections and docs for Chris' wxImage::SaveFile(filename_only) patch

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

diff --git a/src/gtk1/choice.cpp b/src/gtk1/choice.cpp
index 32322e0a7fd9c15a262f549af2137007fc503c11..103ebf3901cd60fb5f12811f981d7b2d475d4192 100644 (file)
--- a/src/gtk1/choice.cpp
+++ b/src/gtk1/choice.cpp
@@ -12,12 +12,13 @@
 #pragma implementation "choice.h"
 #endif
 
 #pragma implementation "choice.h"
 #endif
 

-#include "wx/choice.h"
+#include "wx/defs.h"

 
 #if wxUSE_CHOICE
 
 
 #if wxUSE_CHOICE
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#include "wx/choice.h"
+
+#include "wx/gtk/private.h"

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -38,7 +39,7 @@ extern bool   g_blockEventsOnDrag;
 
 static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
 {
 
 static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
 {

-    if (g_isIdle) 
+    if (g_isIdle)

       wxapp_install_idle_handler();
 
     if (!choice->m_hasVMT) return;
       wxapp_install_idle_handler();
 
     if (!choice->m_hasVMT) return;


@@ -46,9 +47,17 @@ static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *
     if (g_blockEventsOnDrag) return;
 
     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
     if (g_blockEventsOnDrag) return;
 
     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );

-    event.SetInt( choice->GetSelection() );
+    int n = choice->GetSelection();
+
+    event.SetInt( n );

     event.SetString( choice->GetStringSelection() );
     event.SetEventObject(choice);
     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);
 }
 
     choice->GetEventHandler()->ProcessEvent(event);
 }
 


@@ -60,6 +69,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
 
 wxChoice::wxChoice()
 {
 
 wxChoice::wxChoice()
 {

+    m_strings = (wxSortedArrayString *)NULL;

 }
 
 bool wxChoice::Create( wxWindow *parent, wxWindowID id,
 }
 
 bool wxChoice::Create( wxWindow *parent, wxWindowID id,


@@ -76,42 +86,37 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id,
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxChoice creation failed") );
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxChoice creation failed") );

-       return FALSE;
+        return FALSE;

     }
 
     m_widget = gtk_option_menu_new();
 
     }
 
     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++)
     {
 
     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 );
+        GtkAppendHelper(menu, choices[i]);

     }
     }

+

     gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
 
     m_parent->DoAddChild( this );
 
     PostCreation();
 
     gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
 
     m_parent->DoAddChild( this );
 
     PostCreation();
 

+    SetFont( parent->GetFont() );
+
+    SetBestSize(size);
+

     SetBackgroundColour( parent->GetBackgroundColour() );
     SetForegroundColour( parent->GetForegroundColour() );
     SetBackgroundColour( parent->GetBackgroundColour() );
     SetForegroundColour( parent->GetForegroundColour() );

-    SetFont( parent->GetFont() );

 
     Show( TRUE );
 
 
     Show( TRUE );
 


@@ -121,94 +126,59 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id,
 wxChoice::~wxChoice()
 {
     Clear();
 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_widget_show( menu_item );
+    delete m_strings;

 }
 
 }
 

-void wxChoice::Append( const wxString &item )
+int wxChoice::DoAppend( const wxString &item )

 {
 {

-    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 );
-}
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );

 
 

-void wxChoice::Append( const wxString &item, wxClientData *clientData )
-{
-    m_clientObjectList.Append( (wxObject*) clientData );
-    m_clientDataList.Append( (wxObject*) NULL );
+    GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );

 
 

-    AppendCommon( item );
+    return GtkAppendHelper(menu, item);

 }
 
 }
 

-void wxChoice::SetClientData( int n, void* clientData )
+void wxChoice::DoSetItemClientData( int n, void* clientData )

 {
 {

-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );

 
 

-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return;
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );

 
     node->SetData( (wxObject*) clientData );
 }
 
 
     node->SetData( (wxObject*) clientData );
 }
 

-void* wxChoice::GetClientData( int n )
+void* wxChoice::DoGetItemClientData( int n ) const

 {
 {

-    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );

 
 

-    wxNode *node = m_clientDataList.Nth( n );
-    if (!node) return NULL;
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );

 
     return node->Data();
 }
 
 
     return node->Data();
 }
 

-void wxChoice::SetClientObject( int n, wxClientData* clientData )
+void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )

 {
 {

-    wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );

 
 

-    wxNode *node = m_clientObjectList.Nth( n );
-    if (!node) return;
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );

 
     wxClientData *cd = (wxClientData*) node->Data();
 
     wxClientData *cd = (wxClientData*) node->Data();

-    if (cd) delete cd;
+    delete cd;

 
     node->SetData( (wxObject*) clientData );
 }
 
 
     node->SetData( (wxObject*) clientData );
 }
 

-wxClientData* wxChoice::GetClientObject( int n )
+wxClientData* wxChoice::DoGetItemClientObject( int n ) const

 {
 {

-    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );

 
 

-    wxNode *node = m_clientObjectList.Nth( n );
-    if (!node) return (wxClientData*) NULL;
+    wxNode *node = m_clientList.Nth( n );
+    wxCHECK_MSG( node, (wxClientData *)NULL,
+                 wxT("invalid index in wxChoice::DoGetItemClientObject") );

 
     return (wxClientData*) node->Data();
 }
 
     return (wxClientData*) node->Data();
 }


@@ -221,16 +191,22 @@ void wxChoice::Clear()
     GtkWidget *menu = gtk_menu_new();
     gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
 
     GtkWidget *menu = gtk_menu_new();
     gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
 

-    wxNode *node = m_clientObjectList.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_clientObjectList.Clear();
+    m_clientList.Clear();

 
 

-    m_clientDataList.Clear();
+    if ( m_strings )
+        m_strings->Clear();

 }
 
 void wxChoice::Delete( int WXUNUSED(n) )
 }
 
 void wxChoice::Delete( int WXUNUSED(n) )


@@ -252,27 +228,24 @@ int wxChoice::FindString( const wxString &string ) const
     {
         GtkBin *bin = GTK_BIN( child->data );
         GtkLabel *label = (GtkLabel *) NULL;
     {
         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 );
+        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") );
 
 
         wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
 

-       if (string == wxString(label->label,*wxConvCurrent))
-           return count;
+        if (string == wxString(label->label,*wxConvCurrent))
+            return count;

 
 

-       child = child->next;
-       count++;
+        child = child->next;
+        count++;

     }
 
     return -1;
 }
 
     }
 
     return -1;
 }
 

-int wxChoice::GetColumns() const
-{
-    return 1;
-}
-
-int wxChoice::GetSelection()
+int wxChoice::GetSelection() const

 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
 
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
 


@@ -290,6 +263,13 @@ int wxChoice::GetSelection()
     return -1;
 }
 
     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, wxT(""), wxT("invalid choice") );
 wxString wxChoice::GetString( int n ) const
 {
     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );


@@ -303,8 +283,10 @@ wxString wxChoice::GetString( int n ) const
         if (count == n)
         {
             GtkLabel *label = (GtkLabel *) NULL;
         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 );
+            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") );
 
 
             wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
 


@@ -319,18 +301,7 @@ wxString wxChoice::GetString( int n ) const
     return wxT("");
 }
 
     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
+int wxChoice::GetCount() const

 {
     wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
 
 {
     wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
 


@@ -345,10 +316,6 @@ int wxChoice::Number() const
     return count;
 }
 
     return count;
 }
 

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

 void wxChoice::SetSelection( int n )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
 void wxChoice::SetSelection( int n )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );


@@ -357,67 +324,125 @@ void wxChoice::SetSelection( int n )
     gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
 }
 
     gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
 }
 

-void wxChoice::SetStringSelection( const wxString &string )
+void wxChoice::ApplyWidgetStyle()

 {
 {

-    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
-
-    int n = FindString( string );
-    if (n != -1) SetSelection( n );
-}
+    SetWidgetStyle();

 
 

-void wxChoice::DisableEvents()
-{
-/*

     GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
     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)
     {
     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 );
+        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 = BUTTON_CHILD(m_widget);
+
+        gtk_widget_set_style( label, m_widgetStyle );

 
         child = child->next;
     }
 
         child = child->next;
     }

-*/

 }
 
 }
 

-void wxChoice::EnableEvents()
+size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item)

 {
 {

-/*
-    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
-    GList *child = menu_shell->children;
-    while (child)
+    GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
+
+    size_t index;
+    if ( m_strings )

     {
     {

-        gtk_signal_connect( GTK_OBJECT( child->data ), "activate",
-          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+        // sorted control, need to insert at the correct index
+        index = m_strings->Add(item);

 
 

-        child = child->next;
+        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;

 }
 
 }
 

-void wxChoice::ApplyWidgetStyle()
+wxSize wxChoice::DoGetBestSize() const

 {
 {

-    SetWidgetStyle();
+    wxSize ret( wxControl::DoGetBestSize() );

 
 

-    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    // 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();

 
 

-    gtk_widget_set_style( m_widget, m_widgetStyle );
-    gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
+        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;
+        }

 
 

-    GList *child = menu_shell->children;
-    while (child)
-    {
-        gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
+        // 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;
+    }

 
 

-        GtkBin *bin = GTK_BIN( child->data );
-        GtkWidget *label = (GtkWidget *) NULL;
-        if (bin->child) label = bin->child;
-        if (!label) label = GTK_BUTTON(m_widget)->child;
+    // but not less than the minimal width
+    if ( ret.x < 80 )
+        ret.x = 80;

 
 

-        gtk_widget_set_style( label, m_widgetStyle );
+    ret.y = 16 + gdk_char_height(GET_STYLE_FONT( m_widget->style ), 'H');

 
 

-        child = child->next;
-    }
+    return ret;

 }
 
 }
 

-#endif
+#endif // wxUSE_CHOICE
+