X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1280032d6cb73a9c48fad0ecc23fbba92134fb42..50f151d726bce4dc4179fbf98f8ee7c34691229c:/src/gtk/checkbox.cpp?ds=sidebyside diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp index 036a1dbcde..4dd5333334 100644 --- a/src/gtk/checkbox.cpp +++ b/src/gtk/checkbox.cpp @@ -2,88 +2,275 @@ // Name: checkbox.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 ///////////////////////////////////////////////////////////////////////////// +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#ifdef __GNUG__ -#pragma implementation "checkbox.h" -#endif +#include "wx/defs.h" + +#if wxUSE_CHECKBOX #include "wx/checkbox.h" +#include "wx/gtk/private.h" + //----------------------------------------------------------------------------- // data //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnDrag; +extern wxCursor g_globalCursor; +extern wxWindowGTK *g_delayedFocus; //----------------------------------------------------------------------------- -// wxCheckBox +// "clicked" //----------------------------------------------------------------------------- -static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckBox *cb ) +extern "C" { +static void gtk_checkbox_toggled_callback(GtkWidget *widget, wxCheckBox *cb) { - if (!cb->HasVMT()) return; - if (g_blockEventsOnDrag) return; - - wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId()); - event.SetInt( cb->GetValue() ); - event.SetEventObject(cb); - cb->GetEventHandler()->ProcessEvent(event); + if (g_isIdle) wxapp_install_idle_handler(); + + if (!cb->m_hasVMT) return; + + if (g_blockEventsOnDrag) return; + + if (cb->m_blockEvent) return; + + // Transitions for 3state checkbox must be done manually, GTK's checkbox + // is 2state with additional "undetermined state" flag which isn't + // changed automatically: + if (cb->Is3State()) + { + GtkToggleButton *toggle = GTK_TOGGLE_BUTTON(widget); + + if (cb->Is3rdStateAllowedForUser()) + { + // The 3 states cycle like this when clicked: + // checked -> undetermined -> unchecked -> checked -> ... + bool active = gtk_toggle_button_get_active(toggle); + bool inconsistent = gtk_toggle_button_get_inconsistent(toggle); + + cb->m_blockEvent = true; + + if (!active && !inconsistent) + { + // checked -> undetermined + gtk_toggle_button_set_active(toggle, true); + gtk_toggle_button_set_inconsistent(toggle, true); + } + else if (!active && inconsistent) + { + // undetermined -> unchecked + gtk_toggle_button_set_inconsistent(toggle, false); + } + else if (active && !inconsistent) + { + // unchecked -> checked + // nothing to do + } + else + { + wxFAIL_MSG(_T("3state wxCheckBox in unexpected state!")); + } + + cb->m_blockEvent = false; + } + else + { + // user's action unsets undetermined state: + gtk_toggle_button_set_inconsistent(toggle, false); + } + } + + wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId()); + event.SetInt(cb->Get3StateValue()); + event.SetEventObject(cb); + cb->GetEventHandler()->ProcessEvent(event); +} } +//----------------------------------------------------------------------------- +// wxCheckBox //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxCheckBox,wxControl) -wxCheckBox::wxCheckBox(void) +wxCheckBox::wxCheckBox() { } -bool wxCheckBox::Create( wxWindow *parent, wxWindowID id, const wxString &label, - const wxPoint &pos, const wxSize &size, - long style, const wxValidator& validator, const wxString &name ) +bool wxCheckBox::Create(wxWindow *parent, + wxWindowID id, + const wxString &label, + const wxPoint &pos, + const wxSize &size, + long style, + const wxValidator& validator, + const wxString &name ) { - m_needParent = TRUE; - - PreCreation( parent, id, pos, size, style, name ); - - SetValidator( validator ); - - SetLabel( label ); - - m_widget = gtk_check_button_new_with_label( m_label ); - - wxSize newSize = size; - if (newSize.x == -1) newSize.x = 25+gdk_string_measure( m_widget->style->font, label ); - if (newSize.y == -1) newSize.y = 26; - SetSize( newSize.x, newSize.y ); - - gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", - GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), (gpointer*)this ); - - PostCreation(); - - Show( TRUE ); - - return TRUE; + m_needParent = TRUE; + m_acceptsFocus = TRUE; + m_blockEvent = FALSE; + + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxCheckBox creation failed") ); + return FALSE; + } + + wxASSERT_MSG( (style & wxCHK_ALLOW_3RD_STATE_FOR_USER) == 0 || + (style & wxCHK_3STATE) != 0, + wxT("Using wxCHK_ALLOW_3RD_STATE_FOR_USER") + wxT(" style flag for a 2-state checkbox is useless") ); + + if ( style & wxALIGN_RIGHT ) + { + // VZ: as I don't know a way to create a right aligned checkbox with + // GTK we will create a checkbox without label and a label at the + // left of it + m_widgetCheckbox = gtk_check_button_new(); + + m_widgetLabel = gtk_label_new(""); + gtk_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5); + + m_widget = gtk_hbox_new(FALSE, 0); + gtk_box_pack_start(GTK_BOX(m_widget), m_widgetLabel, FALSE, FALSE, 3); + gtk_box_pack_start(GTK_BOX(m_widget), m_widgetCheckbox, FALSE, FALSE, 3); + + gtk_widget_show( m_widgetLabel ); + gtk_widget_show( m_widgetCheckbox ); + } + else + { + m_widgetCheckbox = gtk_check_button_new_with_label(""); + m_widgetLabel = GTK_BIN(m_widgetCheckbox)->child; + m_widget = m_widgetCheckbox; + } + SetLabel( label ); + + g_signal_connect (m_widgetCheckbox, "toggled", + G_CALLBACK (gtk_checkbox_toggled_callback), this); + + m_parent->DoAddChild( this ); + + PostCreation(size); + + return TRUE; } void wxCheckBox::SetValue( bool state ) { - if (state) - gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_ACTIVE ); - else - gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), GTK_STATE_NORMAL ); + wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") ); + + if (state == GetValue()) + return; + + m_blockEvent = TRUE; + + gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); + + m_blockEvent = FALSE; +} + +bool wxCheckBox::GetValue() const +{ + wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, wxT("invalid checkbox") ); + + return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widgetCheckbox)); } -bool wxCheckBox::GetValue(void) const +void wxCheckBox::DoSet3StateValue(wxCheckBoxState state) { - GtkToggleButton *tb = GTK_TOGGLE_BUTTON(m_widget); - return tb->active; + SetValue(state != wxCHK_UNCHECKED); + gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox), + state == wxCHK_UNDETERMINED); } +wxCheckBoxState wxCheckBox::DoGet3StateValue() const +{ + if (gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox))) + { + return wxCHK_UNDETERMINED; + } + else + { + return GetValue() ? wxCHK_CHECKED : wxCHK_UNCHECKED; + } +} + +void wxCheckBox::SetLabel( const wxString& label ) +{ + wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") ); + + GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label); +} + +bool wxCheckBox::Enable( bool enable ) +{ + if ( !wxControl::Enable( enable ) ) + return FALSE; + + gtk_widget_set_sensitive( m_widgetLabel, enable ); + + return TRUE; +} + +void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style) +{ + gtk_widget_modify_style(m_widgetCheckbox, style); + gtk_widget_modify_style(m_widgetLabel, style); +} + +bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window ) +{ + return window == GTK_BUTTON(m_widget)->event_window; +} + +void wxCheckBox::OnInternalIdle() +{ + wxCursor cursor = m_cursor; + if (g_globalCursor.Ok()) cursor = g_globalCursor; + + GdkWindow *event_window = GTK_BUTTON(m_widgetCheckbox)->event_window; + if ( event_window && cursor.Ok() ) + { + /* I now set the cursor the anew in every OnInternalIdle call + as setting the cursor in a parent window also effects the + windows above so that checking for the current cursor is + not possible. */ + + gdk_window_set_cursor( event_window, cursor.GetCursor() ); + } + + if (g_delayedFocus == this) + { + if (GTK_WIDGET_REALIZED(m_widget)) + { + gtk_widget_grab_focus( m_widget ); + g_delayedFocus = NULL; + } + } + + if (wxUpdateUIEvent::CanUpdate(this)) + UpdateWindowUI(wxUPDATE_UI_FROMIDLE); +} + +wxSize wxCheckBox::DoGetBestSize() const +{ + return wxControl::DoGetBestSize(); +} + +// static +wxVisualAttributes +wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + return GetDefaultAttributesFromGTKWidget(gtk_check_button_new); +} + +#endif