X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3bce7509838b4402927bca57a764954c868eb388..8a31648287be0ef976f133de2786b137f1e98340:/src/gtk/checkbox.cpp diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp index d4023c5a04..f7dc166843 100644 --- a/src/gtk/checkbox.cpp +++ b/src/gtk/checkbox.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: checkbox.cpp +// Name: src/gtk/checkbox.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,50 +7,89 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#ifdef __GNUG__ -#pragma implementation "checkbox.h" -#endif +#if wxUSE_CHECKBOX #include "wx/checkbox.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" +#include //----------------------------------------------------------------------------- // data //----------------------------------------------------------------------------- -extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnDrag; //----------------------------------------------------------------------------- // "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 (!cb->m_hasVMT) return; + + if (g_blockEventsOnDrag) return; - if (cb->m_blockFirstEvent) + // 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()) { - cb->m_blockFirstEvent = FALSE; - return; + 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->GTKDisableEvents(); + + 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(wxT("3state wxCheckBox in unexpected state!")); + } + + cb->GTKEnableEvents(); + } + else + { + // user's action unsets undetermined state: + gtk_toggle_button_set_inconsistent(toggle, false); + } } - if (g_blockEventsOnDrag) return; - wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId()); - event.SetInt( cb->GetValue() ); + event.SetInt(cb->Get3StateValue()); event.SetEventObject(cb); - cb->GetEventHandler()->ProcessEvent(event); + cb->HandleWindowEvent(event); +} } //----------------------------------------------------------------------------- // wxCheckBox //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxCheckBox,wxControl) - wxCheckBox::wxCheckBox() { } @@ -64,15 +103,13 @@ bool wxCheckBox::Create(wxWindow *parent, const wxValidator& validator, const wxString &name ) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; - - PreCreation( parent, id, pos, size, style, name ); - - m_blockFirstEvent = FALSE; - - SetValidator( validator ); - wxControl::SetLabel( label ); + WXValidateStyle( &style ); + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxCheckBox creation failed") ); + return false; + } if ( style & wxALIGN_RIGHT ) { @@ -81,101 +118,126 @@ bool wxCheckBox::Create(wxWindow *parent, // left of it m_widgetCheckbox = gtk_check_button_new(); - m_widgetLabel = gtk_label_new(m_label.mbc_str()); + 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); - // VZ: why do I have to do this to make them appear? gtk_widget_show( m_widgetLabel ); gtk_widget_show( m_widgetCheckbox ); } else { - m_widgetCheckbox = gtk_check_button_new_with_label( m_label.mbc_str() ); - m_widgetLabel = GTK_BUTTON( m_widgetCheckbox )->child; + m_widgetCheckbox = gtk_check_button_new_with_label(""); + m_widgetLabel = gtk_bin_get_child(GTK_BIN(m_widgetCheckbox)); m_widget = m_widgetCheckbox; } + g_object_ref(m_widget); + SetLabel( label ); - wxSize newSize(size); - if (newSize.x == -1) - { - newSize.x = 25 + gdk_string_measure( m_widgetCheckbox->style->font, - m_label.mbc_str() ); - } - if (newSize.y == -1) - newSize.y = 26; - - SetSize( newSize.x, newSize.y ); - - gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox), - "clicked", - GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), - (gpointer *)this ); - - m_parent->AddChild( this ); + g_signal_connect (m_widgetCheckbox, "toggled", + G_CALLBACK (gtk_checkbox_toggled_callback), this); - (m_parent->m_insertCallback)( m_parent, this ); + m_parent->DoAddChild( this ); - PostCreation(); + PostCreation(size); - gtk_widget_realize( m_widgetLabel ); - gtk_widget_realize( m_widgetCheckbox ); - - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); - SetFont( parent->GetFont() ); + return true; +} - Show( TRUE ); +void wxCheckBox::GTKDisableEvents() +{ + g_signal_handlers_block_by_func(m_widgetCheckbox, + (gpointer) gtk_checkbox_toggled_callback, this); +} - return TRUE; +void wxCheckBox::GTKEnableEvents() +{ + g_signal_handlers_unblock_by_func(m_widgetCheckbox, + (gpointer) gtk_checkbox_toggled_callback, this); } void wxCheckBox::SetValue( bool state ) { - wxCHECK_RET( m_widgetCheckbox != NULL, _T("invalid checkbox") ); + wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") ); - if ( state == GetValue() ) + if (state == GetValue()) return; - // for compatibility with wxMSW don't send notification when the check box - // state is changed programmatically - m_blockFirstEvent = TRUE; + GTKDisableEvents(); - gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); + gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); + + GTKEnableEvents(); } bool wxCheckBox::GetValue() const { - wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, _T("invalid checkbox") ); + wxCHECK_MSG( m_widgetCheckbox != NULL, false, wxT("invalid checkbox") ); + + return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widgetCheckbox)); +} + +void wxCheckBox::DoSet3StateValue(wxCheckBoxState state) +{ + SetValue(state != wxCHK_UNCHECKED); + gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox), + state == wxCHK_UNDETERMINED); +} - return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active; +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, _T("invalid checkbox") ); + wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") ); - wxControl::SetLabel( label ); + // save the label inside m_label in case user calls GetLabel() later + wxControl::SetLabel(label); - gtk_label_set( GTK_LABEL(m_widgetLabel), GetLabel().mbc_str() ); + GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label); } -void wxCheckBox::Enable( bool enable ) +bool wxCheckBox::Enable( bool enable ) { - wxCHECK_RET( m_widgetLabel != NULL, _T("invalid checkbox") ); - - wxControl::Enable( enable ); + if (!base_type::Enable(enable)) + return false; gtk_widget_set_sensitive( m_widgetLabel, enable ); + + if (enable) + GTKFixSensitivity(); + + return true; } -void wxCheckBox::ApplyWidgetStyle() +void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style) { - SetWidgetStyle(); - gtk_widget_set_style( m_widgetCheckbox, m_widgetStyle ); - gtk_widget_set_style( m_widgetLabel, m_widgetStyle ); + gtk_widget_modify_style(m_widgetCheckbox, style); + gtk_widget_modify_style(m_widgetLabel, style); } +GdkWindow *wxCheckBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const +{ + return GTK_BUTTON(m_widgetCheckbox)->event_window; +} + +// static +wxVisualAttributes +wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + return GetDefaultAttributesFromGTKWidget(gtk_check_button_new); +} + +#endif