X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..982f23fd00be7f4a44ba5595b6d817c76cd2fee0:/src/gtk/choice.cpp diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp index 57922091b9..c456577ce3 100644 --- a/src/gtk/choice.cpp +++ b/src/gtk/choice.cpp @@ -2,10 +2,9 @@ // 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 ///////////////////////////////////////////////////////////////////////////// @@ -13,186 +12,461 @@ #pragma implementation "choice.h" #endif +#include "wx/defs.h" + +#if wxUSE_CHOICE + #include "wx/choice.h" +#include "wx/gtk/private.h" + //----------------------------------------------------------------------------- -// wxChoice +// idle system //----------------------------------------------------------------------------- -void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), gpointer data ) +extern void wxapp_install_idle_handler(); +extern bool g_isIdle; + +//----------------------------------------------------------------------------- +// data +//----------------------------------------------------------------------------- + +extern bool g_blockEventsOnDrag; + +//----------------------------------------------------------------------------- +// "activate" +//----------------------------------------------------------------------------- + +static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) { - wxChoice *choice = (wxChoice*)data; - wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId()); - event.SetInt( choice->GetSelection() ); - wxString tmp( choice->GetStringSelection() ); - event.SetString( WXSTRINGCAST(tmp) ); - event.SetEventObject(choice); - choice->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); +} + +//----------------------------------------------------------------------------- +// wxChoice //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl) -wxChoice::wxChoice(void) +wxChoice::wxChoice() { -}; + m_strings = (wxSortedArrayString *)NULL; +} -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", - 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; -}; - -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 ); -}; + 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(); + + 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++) + { + GtkAppendHelper(menu, choices[i]); + } + + 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() ); + + Show( TRUE ); + + return TRUE; +} + +wxChoice::~wxChoice() +{ + Clear(); + + delete m_strings; +} + +int wxChoice::DoAppend( const wxString &item ) +{ + wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); + + GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); + + return GtkAppendHelper(menu, item); +} + +void wxChoice::DoSetItemClientData( int n, void* clientData ) +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); + + wxNode *node = m_clientList.Nth( n ); + wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") ); + + node->SetData( (wxObject*) clientData ); +} + +void* wxChoice::DoGetItemClientData( int n ) const +{ + 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::DoSetItemClientObject( int n, wxClientData* clientData ) +{ + 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(); + delete cd; + + node->SetData( (wxObject*) clientData ); +} + +wxClientData* wxChoice::DoGetItemClientObject( int n ) const +{ + 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, 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 ); + + if ( HasClientObjectData() ) + { + // destroy the data (due to Robert's idea of using wxList + // and not wxList 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_clientList.Clear(); + + if ( m_strings ) + m_strings->Clear(); +} + +void wxChoice::Delete( int n ) +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); + + // VZ: apparently GTK+ doesn't have a built-in function to do it (not even + // in 2.0), hence this dump implementation - still better than nothing + int i, + count = GetCount(); + + wxCHECK_RET( n >= 0 && n < count, _T("invalid index in wxChoice::Delete") ); + + wxArrayString items; + items.Alloc(count); + for ( i = 0; i < count; i++ ) + { + if ( i != n ) + items.Add(GetString(i)); + } + + Clear(); + + for ( i = 0; i < count - 1; i++ ) + { + Append(items[i]); + } +} int wxChoice::FindString( const wxString &string ) const { - // If you read this code once and you think you undestand - // it, then you are very wrong. RR - - 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 = 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( BUTTON_CHILD(m_widget) ); + + wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + + wxString tmp( wxGTK_CONV_BACK( label->label ) ); + if (string == tmp) + return count; + + child = child->next; + count++; + } + + return -1; +} + +int wxChoice::GetSelection() const +{ + 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; +} + +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 { - 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) { - GtkLabel *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 -{ - GtkMenu *menu = GTK_MENU( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); - int count = 0; - GList *child = menu->children; - while (child) - { - count++; - child = child->next; - }; - return count; -}; - -void wxChoice::SetColumns( int WXUNUSED(n) ) -{ -}; + 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( BUTTON_CHILD(m_widget) ); + + wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); + + return wxString( wxGTK_CONV_BACK(label->label) ); + } + child = child->next; + count++; + } + + wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") ); + + return wxT(""); +} + +int wxChoice::GetCount() 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) + { + count++; + child = child->next; + } + return count; +} void wxChoice::SetSelection( int n ) { - int tmp = n; - gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp ); -}; + 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::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 = 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( wxGTK_CONV( item ) ); + + 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 ); -void wxChoice::SetStringSelection( const wxString &string ) + // 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 { - int n = FindString( string ); - if (n != -1) SetSelection( n ); -}; + 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++ ) + { + // FIXME GTK 2.0 + width = (wxCoord)gdk_string_width(font, wxGTK_CONV( GetString(n) ) ); + 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