f6fcbb63d0
listbox fix iODBC fixes git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1378 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
730 lines
18 KiB
C++
730 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: listbox.cpp
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// Purpose:
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "listbox.h"
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#endif
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#include "wx/dynarray.h"
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#include "wx/listbox.h"
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#include "wx/utils.h"
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#include "wx/intl.h"
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#include "wx/checklst.h"
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#if wxUSE_DRAG_AND_DROP
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#include "wx/dnd.h"
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#endif
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#include "gdk/gdk.h"
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#include "gtk/gtk.h"
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//-------------------------------------------------------------------------
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// conditional compilation
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//-------------------------------------------------------------------------
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#if (GTK_MINOR_VERSION == 1)
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#if (GTK_MICRO_VERSION >= 5)
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#define NEW_GTK_SCROLL_CODE
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#endif
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#endif
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//-----------------------------------------------------------------------------
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// data
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//-----------------------------------------------------------------------------
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extern bool g_blockEventsOnDrag;
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extern bool g_blockEventsOnScroll;
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//-----------------------------------------------------------------------------
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// "button_press_event"
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//-----------------------------------------------------------------------------
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static gint
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gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
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{
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if (g_blockEventsOnDrag) return FALSE;
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if (g_blockEventsOnScroll) return FALSE;
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if (!listbox->HasVMT()) return FALSE;
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int sel = listbox->GetIndex( widget );
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if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
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{
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wxCheckListBox *clb = (wxCheckListBox *)listbox;
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clb->Check( sel, !clb->IsChecked(sel) );
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wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
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event.SetEventObject( listbox );
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event.SetInt( sel );
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listbox->GetEventHandler()->ProcessEvent( event );
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}
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if (gdk_event->type == GDK_2BUTTON_PRESS)
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{
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wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
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event.SetEventObject( listbox );
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event.SetInt( sel );
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listbox->GetEventHandler()->ProcessEvent( event );
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}
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return FALSE;
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}
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//-----------------------------------------------------------------------------
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// "key_press_event"
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//-----------------------------------------------------------------------------
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static gint
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gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxListBox *listbox )
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{
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if (g_blockEventsOnDrag) return FALSE;
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if (!listbox->HasVMT()) return FALSE;
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if (gdk_event->keyval != ' ') return FALSE;
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int sel = listbox->GetIndex( widget );
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wxCheckListBox *clb = (wxCheckListBox *)listbox;
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clb->Check( sel, !clb->IsChecked(sel) );
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wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
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event.SetEventObject( listbox );
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event.SetInt( sel );
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listbox->GetEventHandler()->ProcessEvent( event );
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return FALSE;
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}
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//-----------------------------------------------------------------------------
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// "select" and "deselect"
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//-----------------------------------------------------------------------------
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static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox *listbox )
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{
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if (!listbox->HasVMT()) return;
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if (g_blockEventsOnDrag) return;
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wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
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wxArrayInt aSelections;
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int count = listbox->GetSelections(aSelections);
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if ( count > 0 )
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{
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event.m_commandInt = aSelections[0] ;
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event.m_clientData = listbox->GetClientData( event.m_commandInt );
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wxString str(listbox->GetString(event.m_commandInt));
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if (str != "") event.m_commandString = copystring((char *)(const char *)str);
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}
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else
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{
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event.m_commandInt = -1 ;
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event.m_commandString = copystring("") ;
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}
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event.SetEventObject( listbox );
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listbox->GetEventHandler()->ProcessEvent( event );
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if (event.m_commandString) delete[] event.m_commandString ;
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}
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//-----------------------------------------------------------------------------
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// wxListBox
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxListBox,wxControl)
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wxListBox::wxListBox()
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{
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m_list = (GtkList *) NULL;
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m_hasCheckBoxes = FALSE;
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}
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bool wxListBox::Create( wxWindow *parent, wxWindowID id,
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const wxPoint &pos, const wxSize &size,
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int n, const wxString choices[],
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long style, const wxValidator& validator, const wxString &name )
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{
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m_needParent = TRUE;
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m_acceptsFocus = TRUE;
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PreCreation( parent, id, pos, size, style, name );
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SetValidator( validator );
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m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
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gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
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m_list = GTK_LIST( gtk_list_new() );
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GtkSelectionMode mode = GTK_SELECTION_BROWSE;
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if (style & wxLB_MULTIPLE)
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mode = GTK_SELECTION_MULTIPLE;
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else if (style & wxLB_EXTENDED)
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mode = GTK_SELECTION_EXTENDED;
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gtk_list_set_selection_mode( GTK_LIST(m_list), mode );
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#ifdef NEW_GTK_SCROLL_CODE
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gtk_scrolled_window_add_with_viewport( GTK_SCROLLED_WINDOW(m_widget), GTK_WIDGET(m_list) );
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#else
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gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_list) );
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#endif
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#ifdef __WXDEBUG__
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debug_focus_in( m_widget, "wxListBox::m_widget", name );
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debug_focus_in( GTK_WIDGET(m_list), "wxListBox::m_list", name );
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GtkScrolledWindow *s_window = GTK_SCROLLED_WINDOW(m_widget);
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debug_focus_in( s_window->hscrollbar, "wxWindow::hsrcollbar", name );
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debug_focus_in( s_window->vscrollbar, "wxWindow::vsrcollbar", name );
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#ifdef NEW_GTK_SCROLL_CODE
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GtkViewport *viewport = GTK_VIEWPORT(s_window->child);
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#else
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GtkViewport *viewport = GTK_VIEWPORT(s_window->viewport);
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#endif
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debug_focus_in( GTK_WIDGET(viewport), "wxWindow::viewport", name );
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#endif
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gtk_widget_show( GTK_WIDGET(m_list) );
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wxSize newSize = size;
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if (newSize.x == -1) newSize.x = 100;
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if (newSize.y == -1) newSize.y = 110;
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SetSize( newSize.x, newSize.y );
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for (int i = 0; i < n; i++)
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{
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m_clientDataList.Append( (wxObject*) NULL );
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m_clientObjectList.Append( (wxObject*) NULL );
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GtkWidget *list_item;
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if (m_hasCheckBoxes)
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{
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wxString str = "[-] ";
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str += choices[i];
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list_item = gtk_list_item_new_with_label( str );
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}
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else
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{
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list_item = gtk_list_item_new_with_label( choices[i] );
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}
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#ifdef __WXDEBUG__
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debug_focus_in( list_item, "wxListBox::list_item", name );
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#endif
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gtk_container_add( GTK_CONTAINER(m_list), list_item );
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gtk_signal_connect( GTK_OBJECT(list_item), "select",
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GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
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if (style & wxLB_MULTIPLE)
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gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
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GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
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gtk_signal_connect( GTK_OBJECT(list_item),
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"button_press_event",
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(GtkSignalFunc)gtk_listbox_button_press_callback,
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(gpointer) this );
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gtk_signal_connect( GTK_OBJECT(list_item),
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"key_press_event",
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(GtkSignalFunc)gtk_listbox_key_press_callback,
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(gpointer)this );
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ConnectWidget( list_item );
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gtk_widget_show( list_item );
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}
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m_parent->AddChild( this );
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(m_parent->m_insertCallback)( m_parent, this );
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PostCreation();
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gtk_widget_realize( GTK_WIDGET(m_list) );
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SetBackgroundColour( parent->GetBackgroundColour() );
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SetForegroundColour( parent->GetForegroundColour() );
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Show( TRUE );
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return TRUE;
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}
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wxListBox::~wxListBox()
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{
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Clear();
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}
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void wxListBox::AppendCommon( const wxString &item )
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{
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wxCHECK_RET( m_list != NULL, "invalid listbox" );
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GtkWidget *list_item;
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if (m_hasCheckBoxes)
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{
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wxString str = "[-] ";
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str += item;
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list_item = gtk_list_item_new_with_label( str );
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}
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else
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{
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list_item = gtk_list_item_new_with_label( item );
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}
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gtk_signal_connect( GTK_OBJECT(list_item), "select",
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GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
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if (GetWindowStyleFlag() & wxLB_MULTIPLE)
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gtk_signal_connect( GTK_OBJECT(list_item), "deselect",
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GTK_SIGNAL_FUNC(gtk_listitem_select_callback), (gpointer)this );
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gtk_container_add( GTK_CONTAINER(m_list), list_item );
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if (m_widgetStyle) ApplyWidgetStyle();
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gtk_signal_connect( GTK_OBJECT(list_item),
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"button_press_event",
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(GtkSignalFunc)gtk_listbox_button_press_callback,
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(gpointer) this );
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gtk_signal_connect( GTK_OBJECT(list_item),
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"key_press_event",
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(GtkSignalFunc)gtk_listbox_key_press_callback,
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(gpointer)this );
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gtk_widget_show( list_item );
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ConnectWidget( list_item );
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#if wxUSE_DRAG_AND_DROP
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#ifndef NEW_GTK_DND_CODE
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if (m_dropTarget) m_dropTarget->RegisterWidget( list_item );
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#endif
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#endif
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}
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void wxListBox::Append( const wxString &item )
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{
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m_clientDataList.Append( (wxObject*) NULL );
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m_clientObjectList.Append( (wxObject*) NULL );
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AppendCommon( item );
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}
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void wxListBox::Append( const wxString &item, void *clientData )
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{
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m_clientDataList.Append( (wxObject*) clientData );
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m_clientObjectList.Append( (wxObject*) NULL );
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AppendCommon( item );
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}
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void wxListBox::Append( const wxString &item, wxClientData *clientData )
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{
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m_clientObjectList.Append( (wxObject*) clientData );
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m_clientDataList.Append( (wxObject*) NULL );
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AppendCommon( item );
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}
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void wxListBox::SetClientData( int n, void* clientData )
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{
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wxCHECK_RET( m_widget != NULL, "invalid combobox" );
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wxNode *node = m_clientDataList.Nth( n );
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if (!node) return;
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node->SetData( (wxObject*) clientData );
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}
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void* wxListBox::GetClientData( int n )
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{
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wxCHECK_MSG( m_widget != NULL, NULL, "invalid combobox" );
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wxNode *node = m_clientDataList.Nth( n );
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if (!node) return NULL;
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return node->Data();
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}
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void wxListBox::SetClientObject( int n, wxClientData* clientData )
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{
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wxCHECK_RET( m_widget != NULL, "invalid combobox" );
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wxNode *node = m_clientObjectList.Nth( n );
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if (!node) return;
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wxClientData *cd = (wxClientData*) node->Data();
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if (cd) delete cd;
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node->SetData( (wxObject*) clientData );
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}
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wxClientData* wxListBox::GetClientObject( int n )
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{
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wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, "invalid combobox" );
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wxNode *node = m_clientObjectList.Nth( n );
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if (!node) return (wxClientData*) NULL;
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return (wxClientData*) node->Data();
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}
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void wxListBox::Clear()
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{
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wxCHECK_RET( m_list != NULL, "invalid listbox" );
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gtk_list_clear_items( m_list, 0, Number() );
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wxNode *node = m_clientObjectList.First();
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while (node)
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{
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wxClientData *cd = (wxClientData*)node->Data();
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if (cd) delete cd;
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node = node->Next();
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}
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m_clientObjectList.Clear();
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m_clientDataList.Clear();
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}
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void wxListBox::Delete( int n )
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{
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wxCHECK_RET( m_list != NULL, "invalid listbox" );
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GList *child = g_list_nth( m_list->children, n );
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wxCHECK_RET( child, "wrong listbox index" );
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GList *list = g_list_append( (GList*) NULL, child->data );
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gtk_list_remove_items( m_list, list );
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g_list_free( list );
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wxNode *node = m_clientObjectList.Nth( n );
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if (node)
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{
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wxClientData *cd = (wxClientData*)node->Data();
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if (cd) delete cd;
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m_clientObjectList.DeleteNode( node );
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}
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node = m_clientDataList.Nth( n );
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if (node)
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{
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m_clientDataList.DeleteNode( node );
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}
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}
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void wxListBox::Deselect( int n )
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{
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wxCHECK_RET( m_list != NULL, "invalid listbox" );
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gtk_list_unselect_item( m_list, n );
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}
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int wxListBox::FindString( const wxString &item ) const
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{
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wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
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GList *child = m_list->children;
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int count = 0;
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while (child)
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{
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GtkBin *bin = GTK_BIN( child->data );
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GtkLabel *label = GTK_LABEL( bin->child );
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wxString str = label->label;
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if (m_hasCheckBoxes) str.Remove( 0, 4 );
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if (str == item) return count;
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count++;
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child = child->next;
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}
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// it's not an error if the string is not found -> no wxCHECK
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return -1;
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}
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int wxListBox::GetSelection() const
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{
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wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
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GList *child = m_list->children;
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int count = 0;
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while (child)
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{
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if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED) return count;
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count++;
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child = child->next;
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}
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return -1;
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}
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int wxListBox::GetSelections( wxArrayInt& aSelections ) const
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{
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wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
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// get the number of selected items first
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GList *child = m_list->children;
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int count = 0;
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for (child = m_list->children; child != NULL; child = child->next)
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{
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if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
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count++;
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}
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aSelections.Empty();
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if (count > 0)
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{
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// now fill the list
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aSelections.Alloc(count); // optimization attempt
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int i = 0;
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for (child = m_list->children; child != NULL; child = child->next, i++)
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{
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if (GTK_WIDGET(child->data)->state == GTK_STATE_SELECTED)
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aSelections.Add(i);
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}
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}
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return count;
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}
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wxString wxListBox::GetString( int n ) const
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{
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wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
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GList *child = g_list_nth( m_list->children, n );
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if (child)
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{
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GtkBin *bin = GTK_BIN( child->data );
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GtkLabel *label = GTK_LABEL( bin->child );
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wxString str = label->label;
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if (m_hasCheckBoxes) str.Remove( 0, 4 );
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return str;
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}
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wxFAIL_MSG("wrong listbox index");
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return "";
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}
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wxString wxListBox::GetStringSelection() const
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{
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wxCHECK_MSG( m_list != NULL, "", "invalid listbox" );
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GList *selection = m_list->selection;
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if (selection)
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{
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GtkBin *bin = GTK_BIN( selection->data );
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GtkLabel *label = GTK_LABEL( bin->child );
|
|
|
|
wxString str = label->label;
|
|
if (m_hasCheckBoxes) str.Remove( 0, 4 );
|
|
|
|
return str;
|
|
}
|
|
|
|
wxFAIL_MSG("no listbox selection available");
|
|
return "";
|
|
}
|
|
|
|
int wxListBox::Number()
|
|
{
|
|
wxCHECK_MSG( m_list != NULL, -1, "invalid listbox" );
|
|
|
|
GList *child = m_list->children;
|
|
int count = 0;
|
|
while (child) { count++; child = child->next; }
|
|
return count;
|
|
}
|
|
|
|
bool wxListBox::Selected( int n )
|
|
{
|
|
wxCHECK_MSG( m_list != NULL, FALSE, "invalid listbox" );
|
|
|
|
GList *target = g_list_nth( m_list->children, n );
|
|
if (target)
|
|
{
|
|
GList *child = m_list->selection;
|
|
while (child)
|
|
{
|
|
if (child->data == target->data) return TRUE;
|
|
child = child->next;
|
|
}
|
|
}
|
|
wxFAIL_MSG("wrong listbox index");
|
|
return FALSE;
|
|
}
|
|
|
|
void wxListBox::Set( int WXUNUSED(n), const wxString *WXUNUSED(choices) )
|
|
{
|
|
wxFAIL_MSG("wxListBox::Set not implemented");
|
|
}
|
|
|
|
void wxListBox::SetFirstItem( int WXUNUSED(n) )
|
|
{
|
|
wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
|
|
}
|
|
|
|
void wxListBox::SetFirstItem( const wxString &WXUNUSED(item) )
|
|
{
|
|
wxFAIL_MSG("wxListBox::SetFirstItem not implemented");
|
|
}
|
|
|
|
void wxListBox::SetSelection( int n, bool select )
|
|
{
|
|
wxCHECK_RET( m_list != NULL, "invalid listbox" );
|
|
|
|
if (select)
|
|
gtk_list_select_item( m_list, n );
|
|
else
|
|
gtk_list_unselect_item( m_list, n );
|
|
}
|
|
|
|
void wxListBox::SetString( int n, const wxString &string )
|
|
{
|
|
wxCHECK_RET( m_list != NULL, "invalid listbox" );
|
|
|
|
GList *child = g_list_nth( m_list->children, n );
|
|
if (child)
|
|
{
|
|
GtkBin *bin = GTK_BIN( child->data );
|
|
GtkLabel *label = GTK_LABEL( bin->child );
|
|
|
|
wxString str;
|
|
if (m_hasCheckBoxes) str += "[-] ";
|
|
str += string;
|
|
|
|
gtk_label_set( label, str );
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG("wrong listbox index");
|
|
}
|
|
}
|
|
|
|
void wxListBox::SetStringSelection( const wxString &string, bool select )
|
|
{
|
|
wxCHECK_RET( m_list != NULL, "invalid listbox" );
|
|
|
|
SetSelection( FindString(string), select );
|
|
}
|
|
|
|
int wxListBox::GetIndex( GtkWidget *item ) const
|
|
{
|
|
if (item)
|
|
{
|
|
GList *child = m_list->children;
|
|
int count = 0;
|
|
while (child)
|
|
{
|
|
if (GTK_WIDGET(child->data) == item) return count;
|
|
count++;
|
|
child = child->next;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
void wxListBox::SetDropTarget( wxDropTarget *dropTarget )
|
|
{
|
|
wxCHECK_RET( m_list != NULL, "invalid listbox" );
|
|
|
|
#ifndef NEW_GTK_DND_CODE
|
|
if (m_dropTarget)
|
|
{
|
|
GList *child = m_list->children;
|
|
while (child)
|
|
{
|
|
m_dropTarget->UnregisterWidget( GTK_WIDGET( child->data ) );
|
|
child = child->next;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
wxWindow::SetDropTarget( dropTarget );
|
|
|
|
#ifndef NEW_GTK_DND_CODE
|
|
if (m_dropTarget)
|
|
{
|
|
GList *child = m_list->children;
|
|
while (child)
|
|
{
|
|
m_dropTarget->RegisterWidget( GTK_WIDGET( child->data ) );
|
|
child = child->next;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
GtkWidget *wxListBox::GetConnectWidget()
|
|
{
|
|
return GTK_WIDGET(m_list);
|
|
}
|
|
|
|
bool wxListBox::IsOwnGtkWindow( GdkWindow *window )
|
|
{
|
|
if (wxWindow::IsOwnGtkWindow( window )) return TRUE;
|
|
|
|
GList *child = m_list->children;
|
|
while (child)
|
|
{
|
|
GtkWidget *bin = GTK_WIDGET( child->data );
|
|
if (bin->window == window) return TRUE;
|
|
child = child->next;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
void wxListBox::ApplyWidgetStyle()
|
|
{
|
|
SetWidgetStyle();
|
|
|
|
if (m_backgroundColour.Ok())
|
|
{
|
|
GdkWindow *window = GTK_WIDGET(m_list)->window;
|
|
m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
|
|
gdk_window_set_background( window, m_backgroundColour.GetColor() );
|
|
gdk_window_clear( window );
|
|
}
|
|
|
|
GList *child = m_list->children;
|
|
while (child)
|
|
{
|
|
gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
|
|
|
|
GtkBin *bin = GTK_BIN( child->data );
|
|
GtkWidget *label = GTK_WIDGET( bin->child );
|
|
gtk_widget_set_style( label, m_widgetStyle );
|
|
|
|
child = child->next;
|
|
}
|
|
}
|