X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/acfd422afac254f4356904275656c0c15685fa1e..4eccf53dd554235876dccd4e37331d64427e84c4:/src/gtk/checkbox.cpp diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp index 1811807ab0..1e4bcf5922 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: $Id$ @@ -7,51 +7,85 @@ // 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" - -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; +#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 (g_isIdle) wxapp_install_idle_handler(); + if (!cb->m_hasVMT) return; - if (!cb->HasVMT()) return; + if (g_blockEventsOnDrag) return; - if (cb->m_blockFirstEvent) + 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()) { - 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->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); + } } - 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); +} } //----------------------------------------------------------------------------- @@ -73,15 +107,19 @@ bool wxCheckBox::Create(wxWindow *parent, const wxValidator& validator, const wxString &name ) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; + m_blockEvent = false; - PreCreation( parent, id, pos, size, style, name ); - - m_blockFirstEvent = FALSE; + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, validator, name )) + { + wxFAIL_MSG( wxT("wxCheckBox creation failed") ); + return false; + } - SetValidator( validator ); - wxControl::SetLabel( label ); + 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 ) { @@ -90,98 +128,115 @@ 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(m_widgetCheckbox)->child; m_widget = m_widgetCheckbox; } + 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; + g_signal_connect (m_widgetCheckbox, "toggled", + G_CALLBACK (gtk_checkbox_toggled_callback), this); - SetSize( newSize.x, newSize.y ); + m_parent->DoAddChild( this ); - gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox), - "clicked", - GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), - (gpointer *)this ); + PostCreation(size); - m_parent->AddChild( this ); + return true; +} - (m_parent->m_insertCallback)( m_parent, this ); +void wxCheckBox::SetValue( bool state ) +{ + wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") ); - PostCreation(); + if (state == GetValue()) + return; - SetBackgroundColour( parent->GetBackgroundColour() ); - SetForegroundColour( parent->GetForegroundColour() ); - SetFont( parent->GetFont() ); + m_blockEvent = true; - Show( TRUE ); + gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); - return TRUE; + m_blockEvent = false; } -void wxCheckBox::SetValue( bool state ) +bool wxCheckBox::GetValue() const { - wxCHECK_RET( m_widgetCheckbox != NULL, _T("invalid checkbox") ); + wxCHECK_MSG( m_widgetCheckbox != NULL, false, wxT("invalid checkbox") ); - if ( state == GetValue() ) - return; + return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widgetCheckbox)); +} - // for compatibility with wxMSW don't send notification when the check box - // state is changed programmatically - m_blockFirstEvent = TRUE; +void wxCheckBox::DoSet3StateValue(wxCheckBoxState state) +{ + SetValue(state != wxCHK_UNCHECKED); + gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox), + state == wxCHK_UNDETERMINED); +} - gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); +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; + } } -bool wxCheckBox::GetValue() const +void wxCheckBox::SetLabel( const wxString& label ) { - wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, _T("invalid checkbox") ); + wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") ); + + // save the label inside m_label in case user calls GetLabel() later + wxControl::SetLabel(label); - return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active; + GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label); } -void wxCheckBox::SetLabel( const wxString& label ) +bool wxCheckBox::Enable( bool enable ) { - wxCHECK_RET( m_widgetLabel != NULL, _T("invalid checkbox") ); + if ( !wxControl::Enable( enable ) ) + return false; - wxControl::SetLabel( label ); + gtk_widget_set_sensitive( m_widgetLabel, enable ); - gtk_label_set( GTK_LABEL(m_widgetLabel), GetLabel().mbc_str() ); + return true; } -void wxCheckBox::Enable( bool enable ) +void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style) { - wxCHECK_RET( m_widgetLabel != NULL, _T("invalid checkbox") ); + gtk_widget_modify_style(m_widgetCheckbox, style); + gtk_widget_modify_style(m_widgetLabel, style); +} - wxControl::Enable( enable ); +GdkWindow *wxCheckBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const +{ + return GTK_BUTTON(m_widgetCheckbox)->event_window; +} - gtk_widget_set_sensitive( m_widgetLabel, enable ); +wxSize wxCheckBox::DoGetBestSize() const +{ + return wxControl::DoGetBestSize(); } -void wxCheckBox::ApplyWidgetStyle() +// static +wxVisualAttributes +wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - SetWidgetStyle(); - gtk_widget_set_style( m_widgetCheckbox, m_widgetStyle ); - gtk_widget_set_style( m_widgetLabel, m_widgetStyle ); + return GetDefaultAttributesFromGTKWidget(gtk_check_button_new); } +#endif