#endif
#include "wx/gtk/private.h"
+#include "wx/gtk/private/object.h"
#include "wx/gtk/treeentry_gtk.h"
#if wxUSE_TOOLTIPS
#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#if GTK_CHECK_VERSION(3,0,0)
+#include <gdk/gdkkeysyms-compat.h>
+#endif
+
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
#define WXLISTBOX_DATACOLUMN WXLISTBOX_DATACOLUMN_ARG(this)
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+// Return the entry for the given listbox item.
+//
+// Return value must be released by caller if non-NULL.
+GtkTreeEntry *
+GetEntry(GtkListStore *store, GtkTreeIter *iter, const wxListBox *listbox)
+{
+ GtkTreeEntry* entry;
+ gtk_tree_model_get(GTK_TREE_MODEL(store),
+ iter,
+ WXLISTBOX_DATACOLUMN_ARG(listbox),
+ &entry,
+ -1);
+
+ return entry;
+}
+
+} // anonymous namespace
+
//-----------------------------------------------------------------------------
// "row-activated"
//-----------------------------------------------------------------------------
int sel = gtk_tree_path_get_indices(path)[0];
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
- event.SetEventObject( listbox );
-
- if (listbox->IsSelected(sel))
- {
- GtkTreeEntry* entry = listbox->GtkGetEntry(sel);
-
- if (entry)
- {
- event.SetInt(sel);
- event.SetString(wxConvUTF8.cMB2WX(gtk_tree_entry_get_label(entry)));
-
- if ( listbox->HasClientObjectData() )
- event.SetClientObject( (wxClientData*) gtk_tree_entry_get_userdata(entry) );
- else if ( listbox->HasClientUntypedData() )
- event.SetClientData( gtk_tree_entry_get_userdata(entry) );
-
- g_object_unref (entry);
- }
- else
- {
- wxLogSysError(wxT("Internal error - could not get entry for double-click"));
- event.SetInt(-1);
- }
- }
- else
- {
- event.SetInt(-1);
- }
-
- listbox->HandleWindowEvent( event );
+ listbox->GTKOnActivated(sel);
}
}
{
if (g_blockEventsOnDrag) return;
- if (listbox->m_blockEvent) return;
-
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
- event.SetEventObject( listbox );
-
- if (listbox->HasFlag(wxLB_MULTIPLE) || listbox->HasFlag(wxLB_EXTENDED))
- {
- wxArrayInt selections;
- listbox->GetSelections( selections );
+ listbox->GTKOnSelectionChanged();
+}
- if (selections.GetCount() == 0)
- {
- // indicate that this is a deselection
- event.SetExtraLong( 0 );
- event.SetInt( -1 );
+}
- listbox->HandleWindowEvent( event );
+//-----------------------------------------------------------------------------
+// "key_press_event"
+//-----------------------------------------------------------------------------
- return;
- }
+extern "C" {
+static gboolean
+gtk_listbox_key_press_callback( GtkWidget *WXUNUSED(widget),
+ GdkEventKey *gdk_event,
+ wxListBox *listbox )
+{
+ if ((gdk_event->keyval == GDK_Return) ||
+ (gdk_event->keyval == GDK_ISO_Enter) ||
+ (gdk_event->keyval == GDK_KP_Enter))
+ {
+ int index = -1;
+ if (!listbox->HasMultipleSelection())
+ index = listbox->GetSelection();
else
{
- // indicate that this is a selection
- event.SetExtraLong( 1 );
- event.SetInt( selections[0] );
-
- listbox->HandleWindowEvent( event );
+ wxArrayInt sels;
+ if (listbox->GetSelections( sels ) < 1)
+ return FALSE;
+ index = sels[0];
}
- }
- else
- {
- int index = listbox->GetSelection();
- if (index == wxNOT_FOUND)
- {
- // indicate that this is a deselection
- event.SetExtraLong( 0 );
- event.SetInt( -1 );
- listbox->HandleWindowEvent( event );
-
- return;
- }
- else
+ if (index != wxNOT_FOUND)
{
- GtkTreeEntry* entry = listbox->GtkGetEntry( index );
-
- // indicate that this is a selection
- event.SetExtraLong( 1 );
-
- event.SetInt( index );
- event.SetString(wxConvUTF8.cMB2WX(gtk_tree_entry_get_label(entry)));
-
- if ( listbox->HasClientObjectData() )
- event.SetClientObject(
- (wxClientData*) gtk_tree_entry_get_userdata(entry)
- );
- else if ( listbox->HasClientUntypedData() )
- event.SetClientData( gtk_tree_entry_get_userdata(entry) );
-
- listbox->HandleWindowEvent( event );
-
- g_object_unref (entry);
+ listbox->GTKOnActivated(index);
+
+// wxMac and wxMSW always invoke default action
+// if (!ret)
+ {
+ // DClick not handled -> invoke default action
+ wxWindow *tlw = wxGetTopLevelParent( listbox );
+ if (tlw)
+ {
+ GtkWindow *gtk_window = GTK_WINDOW( tlw->GetHandle() );
+ if (gtk_window)
+ gtk_window_activate_default( gtk_window );
+ }
+ }
+
+ // Always intercept, otherwise we'd get another dclick
+ // event from row_activated
+ return TRUE;
}
}
+
+ return FALSE;
}
}
GtkTreeIter *b,
wxListBox *listbox)
{
- GtkTreeEntry* entry;
- GtkTreeEntry* entry2;
-
- gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
- a,
- WXLISTBOX_DATACOLUMN_ARG(listbox),
- &entry, -1);
- gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
- b,
- WXLISTBOX_DATACOLUMN_ARG(listbox),
- &entry2, -1);
- wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
- wxCHECK_MSG(entry2, 0, wxT("Could not get entry2"));
+ wxGtkObject<GtkTreeEntry> entry1(GetEntry(listbox->m_liststore, a, listbox));
+ wxCHECK_MSG(entry1, 0, wxT("Could not get first entry"));
+
+ wxGtkObject<GtkTreeEntry> entry2(GetEntry(listbox->m_liststore, b, listbox));
+ wxCHECK_MSG(entry2, 0, wxT("Could not get second entry"));
//We compare collate keys here instead of calling g_utf8_collate
//as it is rather slow (and even the docs reccommend this)
- int ret = strcmp(gtk_tree_entry_get_collate_key(entry),
- gtk_tree_entry_get_collate_key(entry2));
-
- g_object_unref (entry);
- g_object_unref (entry2);
-
- return ret;
+ return strcmp(gtk_tree_entry_get_collate_key(entry1),
+ gtk_tree_entry_get_collate_key(entry2)) >= 0;
}
}
GtkTreeIter* iter,
wxListBox* listbox)
{
- GtkTreeEntry* entry;
-
- gtk_tree_model_get(GTK_TREE_MODEL(listbox->m_liststore),
- iter,
- WXLISTBOX_DATACOLUMN_ARG(listbox),
- &entry, -1);
+ wxGtkObject<GtkTreeEntry>
+ entry(GetEntry(listbox->m_liststore, iter, listbox));
wxCHECK_MSG(entry, 0, wxT("Could not get entry"));
- wxGtkString keycollatekey(g_utf8_collate_key(key, -1));
-
- int ret = strcmp(keycollatekey,
- gtk_tree_entry_get_collate_key(entry));
- g_object_unref (entry);
+ wxGtkString keycollatekey(g_utf8_collate_key(key, -1));
- return ret != 0;
+ return strcmp(keycollatekey, gtk_tree_entry_get_collate_key(entry)) != 0;
}
}
// wxListBox
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems)
-
// ----------------------------------------------------------------------------
// construction
// ----------------------------------------------------------------------------
void wxListBox::Init()
{
- m_treeview = (GtkTreeView*) NULL;
+ m_treeview = NULL;
#if wxUSE_CHECKLISTBOX
m_hasCheckBoxes = false;
#endif // wxUSE_CHECKLISTBOX
long style, const wxValidator& validator,
const wxString &name )
{
- m_blockEvent = false;
-
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, validator, name ))
{
return false;
}
- m_widget = gtk_scrolled_window_new( (GtkAdjustment*) NULL, (GtkAdjustment*) NULL );
+ m_widget = gtk_scrolled_window_new( NULL, NULL );
+ g_object_ref(m_widget);
if (style & wxLB_ALWAYS_SB)
{
gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(m_widget),
}
- GtkScrolledWindowSetBorder(m_widget, style);
+ GTKScrolledWindowSetBorder(m_widget, style);
m_treeview = GTK_TREE_VIEW( gtk_tree_view_new( ) );
gtk_tree_view_set_enable_search(m_treeview, FALSE);
-
- GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
-
- g_signal_connect_after (selection, "changed",
- G_CALLBACK (gtk_listitem_changed_callback), this);
-
GtkSelectionMode mode;
- if (style & wxLB_MULTIPLE)
+ // GTK_SELECTION_EXTENDED is a deprecated synonym for GTK_SELECTION_MULTIPLE
+ if ( style & (wxLB_MULTIPLE | wxLB_EXTENDED) )
{
mode = GTK_SELECTION_MULTIPLE;
}
- else if (style & wxLB_EXTENDED)
- {
- mode = GTK_SELECTION_EXTENDED;
- }
- else
+ else // no multi-selection flags specified
{
- // if style was 0 set single mode
m_windowStyle |= wxLB_SINGLE;
- mode = GTK_SELECTION_SINGLE;
+
+ // Notice that we must use BROWSE and not GTK_SELECTION_SINGLE because
+ // the latter allows to not select any items at all while a single
+ // selection listbox is supposed to always have a selection (at least
+ // once the user selected something, it might not have any initially).
+ mode = GTK_SELECTION_BROWSE;
}
+ GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
gtk_tree_selection_set_mode( selection, mode );
// Handle sortable stuff
g_signal_connect_after(m_treeview, "row-activated",
G_CALLBACK(gtk_listbox_row_activated_callback), this);
+ // for intercepting dclick generation by <ENTER>
+ g_signal_connect (m_treeview, "key_press_event",
+ G_CALLBACK (gtk_listbox_key_press_callback),
+ this);
m_parent->DoAddChild( this );
PostCreation(size);
SetInitialSize(size); // need this too because this is a wxControlWithItems
+ g_signal_connect_after (selection, "changed",
+ G_CALLBACK (gtk_listitem_changed_callback), this);
+
return true;
}
Clear();
}
+void wxListBox::GTKDisableEvents()
+{
+ GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
+
+ g_signal_handlers_block_by_func(selection,
+ (gpointer) gtk_listitem_changed_callback, this);
+}
+
+void wxListBox::GTKEnableEvents()
+{
+ GtkTreeSelection* selection = gtk_tree_view_get_selection( m_treeview );
+
+ g_signal_handlers_unblock_by_func(selection,
+ (gpointer) gtk_listitem_changed_callback, this);
+
+ UpdateOldSelections();
+}
+
+
+void wxListBox::Update()
+{
+ wxWindow::Update();
+
+ if (m_treeview)
+ gdk_window_process_updates(gtk_widget_get_window(GTK_WIDGET(m_treeview)), true);
+}
+
// ----------------------------------------------------------------------------
// adding items
// ----------------------------------------------------------------------------
GtkTreeIter iter;
if ( pos != GetCount() )
{
- wxCHECK_MSG( GtkGetIteratorFor(pos, &iter), wxNOT_FOUND,
+ wxCHECK_MSG( GTKGetIteratorFor(pos, &iter), wxNOT_FOUND,
wxT("internal wxListBox error in insertion") );
pIter = &iter;
const unsigned int numItems = items.GetCount();
for ( unsigned int i = 0; i < numItems; ++i )
{
- GtkTreeEntry* entry = gtk_tree_entry_new();
+ wxGtkObject<GtkTreeEntry> entry(gtk_tree_entry_new());
gtk_tree_entry_set_label(entry, wxGTK_CONV(items[i]));
gtk_tree_entry_set_destroy_func(entry,
(GtkTreeEntryDestroy)gtk_tree_entry_destroy_cb,
GtkTreeIter itercur;
gtk_list_store_insert_before(m_liststore, &itercur, pIter);
- GtkSetItem(itercur, entry);
-
- g_object_unref (entry);
+ GTKSetItem(itercur, entry);
if (clientData)
- AssignNewItemClientData(GtkGetIndexFor(itercur), clientData, i, type);
+ AssignNewItemClientData(GTKGetIndexFor(itercur), clientData, i, type);
}
+ UpdateOldSelections();
+
return pos + numItems - 1;
}
{
wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
+ GTKDisableEvents(); // just in case
+
InvalidateBestSize();
gtk_list_store_clear( m_liststore ); /* well, THAT was easy :) */
+
+ GTKEnableEvents();
}
void wxListBox::DoDeleteOneItem(unsigned int n)
InvalidateBestSize();
+ GTKDisableEvents(); // just in case
+
GtkTreeIter iter;
- wxCHECK_RET( GtkGetIteratorFor(n, &iter), wxT("wrong listbox index") );
+ wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("wrong listbox index") );
// this returns false if iter is invalid (e.g. deleting item at end) but
// since we don't use iter, we ignore the return value
gtk_list_store_remove(m_liststore, &iter);
+
+ GTKEnableEvents();
}
// ----------------------------------------------------------------------------
// helper functions for working with iterators
// ----------------------------------------------------------------------------
-bool wxListBox::GtkGetIteratorFor(unsigned pos, GtkTreeIter *iter) const
+bool wxListBox::GTKGetIteratorFor(unsigned pos, GtkTreeIter *iter) const
{
if ( !gtk_tree_model_iter_nth_child(GTK_TREE_MODEL(m_liststore),
iter, NULL, pos) )
return true;
}
-int wxListBox::GtkGetIndexFor(GtkTreeIter& iter) const
+int wxListBox::GTKGetIndexFor(GtkTreeIter& iter) const
{
GtkTreePath *path =
gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter);
gint* pIntPath = gtk_tree_path_get_indices(path);
- wxCHECK_MSG( pIntPath, wxNOT_FOUND, _T("failed to get iterator path") );
+ wxCHECK_MSG( pIntPath, wxNOT_FOUND, wxT("failed to get iterator path") );
int idx = pIntPath[0];
}
// get GtkTreeEntry from position (note: you need to g_unref it if valid)
-GtkTreeEntry *wxListBox::GtkGetEntry(unsigned n) const
+GtkTreeEntry *wxListBox::GTKGetEntry(unsigned n) const
{
GtkTreeIter iter;
- if ( !GtkGetIteratorFor(n, &iter) )
+ if ( !GTKGetIteratorFor(n, &iter) )
return NULL;
-
- GtkTreeEntry* entry = NULL;
- gtk_tree_model_get(GTK_TREE_MODEL(m_liststore), &iter,
- WXLISTBOX_DATACOLUMN, &entry, -1);
-
- return entry;
+ return GetEntry(m_liststore, &iter, this);
}
-void wxListBox::GtkSetItem(GtkTreeIter& iter, const GtkTreeEntry *entry)
+void wxListBox::GTKSetItem(GtkTreeIter& iter, const GtkTreeEntry *entry)
{
#if wxUSE_CHECKLISTBOX
if ( m_hasCheckBoxes )
void* wxListBox::DoGetItemClientData(unsigned int n) const
{
- wxCHECK_MSG( IsValid(n), NULL,
- wxT("Invalid index passed to GetItemClientData") );
-
- GtkTreeEntry* entry = GtkGetEntry(n);
+ wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
wxCHECK_MSG(entry, NULL, wxT("could not get entry"));
- void* userdata = gtk_tree_entry_get_userdata( entry );
- g_object_unref (entry);
- return userdata;
+ return gtk_tree_entry_get_userdata( entry );
}
void wxListBox::DoSetItemClientData(unsigned int n, void* clientData)
{
- wxCHECK_RET( IsValid(n),
- wxT("Invalid index passed to SetItemClientData") );
-
- GtkTreeEntry* entry = GtkGetEntry(n);
+ wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
wxCHECK_RET(entry, wxT("could not get entry"));
gtk_tree_entry_set_userdata( entry, clientData );
- g_object_unref (entry);
}
// ----------------------------------------------------------------------------
wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetString") );
wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
- GtkTreeEntry* entry = GtkGetEntry(n);
+ GtkTreeEntry* entry = GTKGetEntry(n);
wxCHECK_RET( entry, wxT("wrong listbox index") );
// update the item itself
// and update the model which will refresh the tree too
GtkTreeIter iter;
- wxCHECK_RET( GtkGetIteratorFor(n, &iter), _T("failed to get iterator") );
+ wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("failed to get iterator") );
// FIXME: this resets the checked status of a wxCheckListBox item
- GtkSetItem(iter, entry);
+ GTKSetItem(iter, entry);
}
wxString wxListBox::GetString(unsigned int n) const
{
wxCHECK_MSG( m_treeview != NULL, wxEmptyString, wxT("invalid listbox") );
- GtkTreeEntry* entry = GtkGetEntry(n);
+ wxGtkObject<GtkTreeEntry> entry(GTKGetEntry(n));
wxCHECK_MSG( entry, wxEmptyString, wxT("wrong listbox index") );
- wxString label = wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) );
-
- g_object_unref (entry);
- return label;
+ return wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) );
}
unsigned int wxListBox::GetCount() const
// selection
// ----------------------------------------------------------------------------
+void wxListBox::GTKOnActivated(int item)
+{
+ SendEvent(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, item, IsSelected(item));
+}
+
+void wxListBox::GTKOnSelectionChanged()
+{
+ if ( HasFlag(wxLB_MULTIPLE | wxLB_EXTENDED) )
+ {
+ CalcAndSendEvent();
+ }
+ else // single selection
+ {
+ const int item = GetSelection();
+ if ( DoChangeSingleSelection(item) )
+ SendEvent(wxEVT_COMMAND_LISTBOX_SELECTED, item, true);
+ }
+}
+
int wxListBox::GetSelection() const
{
wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox"));
if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
return wxNOT_FOUND;
- return GtkGetIndexFor(iter);
+ return GTKGetIndexFor(iter);
}
int wxListBox::GetSelections( wxArrayInt& aSelections ) const
aSelections.Empty();
- int i = 0;
+ int i = 0;
GtkTreeIter iter;
GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
GtkTreeIter iter;
- wxCHECK_MSG( GtkGetIteratorFor(n, &iter), false, wxT("Invalid index") );
+ wxCHECK_MSG( GTKGetIteratorFor(n, &iter), false, wxT("Invalid index") );
return gtk_tree_selection_iter_is_selected(selection, &iter);
}
void wxListBox::DoSetSelection( int n, bool select )
{
+ wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
+
+ GTKDisableEvents();
+
+ GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
+
// passing -1 to SetSelection() is documented to deselect all items
if ( n == wxNOT_FOUND )
{
- // ... and not generate any events in the process
- GtkDeselectAll();
+ gtk_tree_selection_unselect_all(selection);
+ GTKEnableEvents();
return;
}
wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetSelection") );
- // don't generate the selection event
- GtkSetSelection(n, select, true);
-}
-
-void wxListBox::GtkDeselectAll()
-{
- wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
-
- GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
-
- m_blockEvent = true;
-
- gtk_tree_selection_unselect_all(selection);
-
- m_blockEvent = false;
-}
-
-void wxListBox::GtkSetSelection(int n, const bool select, const bool blockEvent)
-{
- wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
-
- GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
GtkTreeIter iter;
- wxCHECK_RET( GtkGetIteratorFor(n, &iter), wxT("Invalid index") );
-
- m_blockEvent = blockEvent;
+ wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("Invalid index") );
if (select)
gtk_tree_selection_select_iter(selection, &iter);
gtk_tree_path_free(path);
- m_blockEvent = false;
+ GTKEnableEvents();
}
-void wxListBox::DoSetFirstItem( int n )
+void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
{
wxCHECK_RET( m_treeview, wxT("invalid listbox") );
wxCHECK_RET( IsValid(n), wxT("invalid index"));
//RN: I have no idea why this line is needed...
- if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_treeview))
+ if (gdk_pointer_is_grabbed () && gtk_widget_has_grab(GTK_WIDGET(m_treeview)))
return;
GtkTreeIter iter;
- if ( !GtkGetIteratorFor(n, &iter) )
+ if ( !GTKGetIteratorFor(n, &iter) )
return;
GtkTreePath* path = gtk_tree_model_get_path(
// Scroll to the desired cell (0.0 == topleft alignment)
gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
- TRUE, 0.0f, 0.0f);
+ TRUE, alignY, alignX);
gtk_tree_path_free(path);
}
+void wxListBox::DoSetFirstItem(int n)
+{
+ DoScrollToCell(n, 0, 0);
+}
+
+void wxListBox::EnsureVisible(int n)
+{
+ DoScrollToCell(n, 0.5, 0);
+}
+
// ----------------------------------------------------------------------------
// hittest
// ----------------------------------------------------------------------------
// helpers
// ----------------------------------------------------------------------------
-#if wxUSE_TOOLTIPS
-void wxListBox::ApplyToolTip( GtkTooltips *tips, const gchar *tip )
-{
- // RN: Is this needed anymore?
- gtk_tooltips_set_tip( tips, GTK_WIDGET( m_treeview ), tip, (gchar*) NULL );
-}
-#endif // wxUSE_TOOLTIPS
-
GtkWidget *wxListBox::GetConnectWidget()
{
// the correct widget for listbox events (such as mouse clicks for example)
void wxListBox::DoApplyWidgetStyle(GtkRcStyle *style)
{
- if (m_hasBgCol && m_backgroundColour.Ok())
+ if (m_hasBgCol && m_backgroundColour.IsOk())
{
GdkWindow *window = gtk_tree_view_get_bin_window(m_treeview);
if (window)
// Start with a minimum size that's not too small
int cx, cy;
GetTextExtent( wxT("X"), &cx, &cy);
- int lbWidth = 3 * cx;
+ int lbWidth = 0;
int lbHeight = 10;
- // Get the visible area of the tree view (limit to the 10th item
- // so that it isn't too big)
- unsigned int count = GetCount();
- if (count)
+ // Find the widest string.
+ const unsigned int count = GetCount();
+ if ( count )
{
int wLine;
-
- // Find the widest line
- for(unsigned int i = 0; i < count; i++) {
- wxString str(GetString(i));
- GetTextExtent(str, &wLine, NULL);
- lbWidth = wxMax(lbWidth, wLine);
+ for ( unsigned int i = 0; i < count; i++ )
+ {
+ GetTextExtent(GetString(i), &wLine, NULL);
+ if ( wLine > lbWidth )
+ lbWidth = wLine;
}
+ }
- lbWidth += 3 * cx;
+ lbWidth += 3 * cx;
- // And just a bit more for the checkbox if present and then some
- // (these are rough guesses)
+ // And just a bit more for the checkbox if present and then some
+ // (these are rough guesses)
#if wxUSE_CHECKLISTBOX
- if ( m_hasCheckBoxes )
- {
- lbWidth += 35;
- cy = cy > 25 ? cy : 25; // rough height of checkbox
- }
-#endif
-
- // don't make the listbox too tall (limit height to around 10 items) but don't
- // make it too small neither
- lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+ if ( m_hasCheckBoxes )
+ {
+ lbWidth += 35;
+ cy = cy > 25 ? cy : 25; // rough height of checkbox
}
+#endif
// Add room for the scrollbar
lbWidth += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+ // Don't make the listbox too tall but don't make it too small neither
+ lbHeight = (cy+4) * wxMin(wxMax(count, 3), 10);
+
wxSize best(lbWidth, lbHeight);
CacheBestSize(best);
return best;
projects / wxWidgets.git / blobdiff