X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b8c631bb299230a18a9d2bbb26d28a426c161a8f..52147d1c4bb54b904253e388da76747e459157c0:/src/gtk/checkbox.cpp diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp index 3883d1d7e2..17c3ff9548 100644 --- a/src/gtk/checkbox.cpp +++ b/src/gtk/checkbox.cpp @@ -1,39 +1,89 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: checkbox.cpp +// Name: src/gtk/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 +#if wxUSE_CHECKBOX #include "wx/checkbox.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 (g_blockEventsOnDrag) return; - - wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId()); - event.SetInt( cb->GetValue() ); - event.SetEventObject(cb); - cb->GetEventHandler()->ProcessEvent(event); + if (!cb->m_hasVMT) return; + + if (g_blockEventsOnDrag) 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->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(_T("3state wxCheckBox in unexpected state!")); + } + + cb->GTKEnableEvents(); + } + 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->HandleWindowEvent(event); +} } //----------------------------------------------------------------------------- @@ -42,92 +92,167 @@ static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckB 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 ); + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxCheckBox creation failed") ); + return false; + } - SetValidator( validator ); + 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") ); - wxControl::SetLabel( label ); + 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_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_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; + } + g_object_ref(m_widget); + 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::GTKDisableEvents() +{ + g_signal_handlers_block_by_func(m_widgetCheckbox, + (gpointer) gtk_checkbox_toggled_callback, this); +} + +void wxCheckBox::GTKEnableEvents() +{ + g_signal_handlers_unblock_by_func(m_widgetCheckbox, + (gpointer) gtk_checkbox_toggled_callback, this); } 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; + + GTKDisableEvents(); + + gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); + + GTKEnableEvents(); } bool wxCheckBox::GetValue() const { - GtkToggleButton *tb = GTK_TOGGLE_BUTTON(m_widget); - return tb->active; + 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); +} + +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 ) { - wxControl::SetLabel( label ); - GtkButton *bin = GTK_BUTTON( m_widget ); - GtkLabel *g_label = GTK_LABEL( bin->child ); - gtk_label_set( g_label, GetLabel() ); + wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") ); + + // save the label inside m_label in case user calls GetLabel() later + wxControl::SetLabel(label); + + GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label); } -void wxCheckBox::Enable( bool enable ) +bool wxCheckBox::Enable( bool enable ) { - wxControl::Enable( enable ); - GtkButton *bin = GTK_BUTTON( m_widget ); - GtkWidget *label = bin->child; - gtk_widget_set_sensitive( label, enable ); + bool isEnabled = IsEnabled(); + + if ( !wxControl::Enable( enable ) ) + return false; + + gtk_widget_set_sensitive( m_widgetLabel, enable ); + + if (!isEnabled && enable) + { + GTKFixSensitivity(); + } + + return true; +} + +void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style) +{ + 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; +} + +wxSize wxCheckBox::DoGetBestSize() const +{ + return wxControl::DoGetBestSize(); } -void wxCheckBox::SetFont( const wxFont &font ) +// static +wxVisualAttributes +wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - if (((wxFont*)&font)->Ok()) - m_font = font; - else - m_font = *wxSWISS_FONT; - - GtkButton *bin = GTK_BUTTON( m_widget ); - GtkWidget *label = bin->child; - - GtkStyle *style = (GtkStyle*) NULL; - if (!m_hasOwnStyle) - { - m_hasOwnStyle = TRUE; - style = gtk_style_copy( gtk_widget_get_style( label ) ); - } - else - { - style = gtk_widget_get_style( label ); - } - - gdk_font_unref( style->font ); - style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) ); - - gtk_widget_set_style( label, style ); + return GetDefaultAttributesFromGTKWidget(gtk_check_button_new); } + +#endif