X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/78bcfcfcb645675e7097d4f0cca79ed9970ab12e..14722c43c30918cd8fbba956b50ac3426d2fe339:/src/gtk/spinctrl.cpp diff --git a/src/gtk/spinctrl.cpp b/src/gtk/spinctrl.cpp index 0b9e68f89e..e28cc7a686 100644 --- a/src/gtk/spinctrl.cpp +++ b/src/gtk/spinctrl.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: spinbutt.cpp +// Name: src/gtk/spinctrl.cpp // Purpose: wxSpinCtrl // Author: Robert // Modified by: @@ -8,31 +8,22 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "spinctrl.h" -#endif - -#include "wx/spinctrl.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #if wxUSE_SPINCTRL -#include "wx/utils.h" - -#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED +#include "wx/spinctrl.h" -#include +#ifndef WX_PRECOMP + #include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED + #include "wx/utils.h" + #include "wx/wxcrtvararg.h" +#endif -#include #include - -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; - -static const float sensitivity = 0.02; +#include "wx/gtk/private.h" +#include "wx/gtk/private/gtk2-compat.h" //----------------------------------------------------------------------------- // data @@ -44,249 +35,420 @@ extern bool g_blockEventsOnDrag; // "value_changed" //----------------------------------------------------------------------------- -static void gtk_spinctrl_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win ) +extern "C" { +static void +gtk_value_changed(GtkSpinButton* spinbutton, wxSpinCtrlGTKBase* win) { - if (g_isIdle) wxapp_install_idle_handler(); - - if (!win->m_hasVMT) return; - if (g_blockEventsOnDrag) return; - - wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId()); - event.SetEventObject( win ); + if (!win->m_hasVMT || g_blockEventsOnDrag) + return; - // note that we don't use wxSpinCtrl::GetValue() here because it would - // adjust the value to fit into the control range and this means that we - // would never be able to enter an "invalid" value in the control, even - // temporarily - and trying to enter 10 into the control which accepts the - // values in range 5..50 is then, ummm, quite challenging (hint: you can't - // enter 1!) (VZ) - event.SetInt( (int)ceil(win->m_adjust->value) ); - win->GetEventHandler()->ProcessEvent( event ); + if (wxIsKindOf(win, wxSpinCtrl)) + { + wxSpinEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId()); + event.SetEventObject( win ); + event.SetPosition(static_cast(win)->GetValue()); + event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton))); + win->HandleWindowEvent( event ); + } + else // wxIsKindOf(win, wxSpinCtrlDouble) + { + wxSpinDoubleEvent event( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, win->GetId()); + event.SetEventObject( win ); + event.SetValue(static_cast(win)->GetValue()); + event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton))); + win->HandleWindowEvent( event ); + } +} } //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- +extern "C" { static void -gtk_spinctrl_text_changed_callback( GtkWidget *WXUNUSED(widget), wxSpinCtrl *win ) +gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win) { - if (!win->m_hasVMT) return; - - if (g_isIdle) - wxapp_install_idle_handler(); + if (!win->m_hasVMT) + return; wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); event.SetEventObject( win ); - event.SetInt( win->GetValue() ); - win->GetEventHandler()->ProcessEvent( event ); + event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton))); + event.SetInt(win->GetValue()); + win->HandleWindowEvent( event ); +} } //----------------------------------------------------------------------------- -// wxSpinCtrl +// wxSpinCtrlGTKBase //----------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl,wxControl) - -BEGIN_EVENT_TABLE(wxSpinCtrl, wxControl) - EVT_CHAR(wxSpinCtrl::OnChar) +BEGIN_EVENT_TABLE(wxSpinCtrlGTKBase, wxSpinCtrlBase) + EVT_CHAR(wxSpinCtrlGTKBase::OnChar) END_EVENT_TABLE() -bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id, +bool wxSpinCtrlGTKBase::Create(wxWindow *parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style, - int min, int max, int initial, + double min, double max, double initial, double inc, const wxString& name) { - m_needParent = TRUE; - m_acceptsFocus = TRUE; - if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) { - wxFAIL_MSG( wxT("wxSpinCtrl creation failed") ); - return FALSE; + wxFAIL_MSG( wxT("wxSpinCtrlGTKBase creation failed") ); + return false; } - m_oldPos = initial; + m_widget = gtk_spin_button_new_with_range(min, max, inc); + g_object_ref(m_widget); - m_adjust = (GtkAdjustment*) gtk_adjustment_new( initial, min, max, 1.0, 5.0, 0.0); + gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), initial); - m_widget = gtk_spin_button_new( m_adjust, 1, 0 ); - - gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), - (int)(m_windowStyle & wxSP_WRAP) ); + gfloat align; + if ( HasFlag(wxALIGN_RIGHT) ) + align = 1.0; + else if ( HasFlag(wxALIGN_CENTRE) ) + align = 0.5; + else + align = 0.0; - GtkEnableEvents(); - - m_parent->DoAddChild( this ); + gtk_entry_set_alignment(GTK_ENTRY(m_widget), align); - PostCreation(); + gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget), + (int)(m_windowStyle & wxSP_WRAP) ); - SetFont( parent->GetFont() ); - - wxSize size_best( DoGetBestSize() ); - wxSize new_size( size ); - if (new_size.x == -1) - new_size.x = size_best.x; - if (new_size.y == -1) - new_size.y = size_best.y; - if (new_size.y > size_best.y) - new_size.y = size_best.y; - if ((new_size.x != size.x) || (new_size.y != size.y)) - SetSize( new_size.x, new_size.y ); + g_signal_connect_after(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this); + g_signal_connect_after(m_widget, "changed", G_CALLBACK(gtk_changed), this); - SetBackgroundColour( parent->GetBackgroundColour() ); + m_parent->DoAddChild( this ); - SetValue( value ); + PostCreation(size); - Show( TRUE ); + if (!value.empty()) + { + SetValue(value); + } - return TRUE; + return true; } -void wxSpinCtrl::GtkDisableEvents() +double wxSpinCtrlGTKBase::DoGetValue() const { - gtk_signal_disconnect_by_func( GTK_OBJECT(m_adjust), - GTK_SIGNAL_FUNC(gtk_spinctrl_callback), - (gpointer) this ); + wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); - gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), - GTK_SIGNAL_FUNC(gtk_spinctrl_text_changed_callback), - (gpointer) this ); + // Get value directly from current control text, just as + // gtk_spin_button_update() would do. Calling gtk_spin_button_update() causes + // a redraw, which causes an idle event, so if GetValue() is called from + // a UI update handler, you get a never ending sequence of idle events. It + // also forces the text into valid range, which wxMSW GetValue() does not do. + static unsigned sig_id; + if (sig_id == 0) + sig_id = g_signal_lookup("input", GTK_TYPE_SPIN_BUTTON); + double value; + int handled = 0; + g_signal_emit(m_widget, sig_id, 0, &value, &handled); + if (!handled) + value = g_strtod(gtk_entry_get_text(GTK_ENTRY(m_widget)), NULL); + GtkAdjustment* adj = + gtk_spin_button_get_adjustment(GTK_SPIN_BUTTON(m_widget)); + const double lower = gtk_adjustment_get_lower(adj); + const double upper = gtk_adjustment_get_upper(adj); + if (value < lower) + value = lower; + else if (value > upper) + value = upper; + + return value; } -void wxSpinCtrl::GtkEnableEvents() +double wxSpinCtrlGTKBase::DoGetMin() const { - gtk_signal_connect( GTK_OBJECT (m_adjust), - "value_changed", - GTK_SIGNAL_FUNC(gtk_spinctrl_callback), - (gpointer) this ); - - gtk_signal_connect( GTK_OBJECT(m_widget), - "changed", - GTK_SIGNAL_FUNC(gtk_spinctrl_text_changed_callback), - (gpointer)this); + wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); + + double min = 0; + gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), &min, NULL); + return min; } -int wxSpinCtrl::GetMin() const +double wxSpinCtrlGTKBase::DoGetMax() const { wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); - return (int)ceil(m_adjust->lower); + double max = 0; + gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), NULL, &max); + return max; } -int wxSpinCtrl::GetMax() const +double wxSpinCtrlGTKBase::DoGetIncrement() const { wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); - return (int)ceil(m_adjust->upper); + double inc = 0; + gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), &inc, NULL); + return inc; } -int wxSpinCtrl::GetValue() const +bool wxSpinCtrlGTKBase::GetSnapToTicks() const { - wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") ); - - gtk_spin_button_update( GTK_SPIN_BUTTON(m_widget) ); + wxCHECK_MSG(m_widget, false, "invalid spin button"); - return (int)ceil(m_adjust->value); + return gtk_spin_button_get_snap_to_ticks( GTK_SPIN_BUTTON(m_widget) ) != 0; } -void wxSpinCtrl::SetValue( const wxString& value ) +void wxSpinCtrlGTKBase::SetValue( const wxString& value ) { wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); - int n; - if ( (wxSscanf(value, wxT("%d"), &n) == 1) ) - { - // a number - set it - SetValue(n); - } - else + double n; + if ( wxSscanf(value, "%lg", &n) == 1 ) { - // invalid number - set text as is (wxMSW compatible) - GtkDisableEvents(); - gtk_entry_set_text( GTK_ENTRY(m_widget), value.mbc_str() ); - GtkEnableEvents(); + // a number - set it, let DoSetValue round for int value + DoSetValue(n); + return; } + + // invalid number - set text as is (wxMSW compatible) + GtkDisableEvents(); + gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) ); + GtkEnableEvents(); } -void wxSpinCtrl::SetValue( int value ) +void wxSpinCtrlGTKBase::DoSetValue( double value ) { wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); - float fpos = (float)value; - m_oldPos = fpos; - if (fabs(fpos-m_adjust->value) < sensitivity) return; - - m_adjust->value = fpos; - GtkDisableEvents(); - gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "value_changed" ); + gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), value); GtkEnableEvents(); } -void wxSpinCtrl::SetRange(int minVal, int maxVal) +void wxSpinCtrlGTKBase::SetSnapToTicks(bool snap_to_ticks) { - wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); + wxCHECK_RET( (m_widget != NULL), "invalid spin button" ); - float fmin = (float)minVal; - float fmax = (float)maxVal; + gtk_spin_button_set_snap_to_ticks( GTK_SPIN_BUTTON(m_widget), snap_to_ticks); +} - if ((fabs(fmin-m_adjust->lower) < sensitivity) && - (fabs(fmax-m_adjust->upper) < sensitivity)) +void wxSpinCtrlGTKBase::SetSelection(long from, long to) +{ + // translate from wxWidgets conventions to GTK+ ones: (-1, -1) means the + // entire range + if ( from == -1 && to == -1 ) { - return; + from = 0; + to = INT_MAX; } - m_adjust->lower = fmin; - m_adjust->upper = fmax; + gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to ); +} + +void wxSpinCtrlGTKBase::DoSetRange(double minVal, double maxVal) +{ + wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") ); + + GtkDisableEvents(); + gtk_spin_button_set_range( GTK_SPIN_BUTTON(m_widget), minVal, maxVal); + GtkEnableEvents(); +} + +void wxSpinCtrlGTKBase::DoSetIncrement(double inc) +{ + wxCHECK_RET( m_widget, "invalid spin button" ); + + GtkDisableEvents(); - gtk_signal_emit_by_name( GTK_OBJECT(m_adjust), "changed" ); + // Preserve the old page value when changing just the increment. + double page = 10*inc; + gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &page); - // these two calls are required due to some bug in GTK - Refresh(); - SetFocus(); + gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, page); + GtkEnableEvents(); } -void wxSpinCtrl::OnChar( wxKeyEvent &event ) +void wxSpinCtrlGTKBase::GtkDisableEvents() const +{ + g_signal_handlers_block_by_func( m_widget, + (gpointer)gtk_value_changed, (void*) this); + + g_signal_handlers_block_by_func(m_widget, + (gpointer)gtk_changed, (void*) this); +} + +void wxSpinCtrlGTKBase::GtkEnableEvents() const +{ + g_signal_handlers_unblock_by_func(m_widget, + (gpointer)gtk_value_changed, (void*) this); + + g_signal_handlers_unblock_by_func(m_widget, + (gpointer)gtk_changed, (void*) this); +} + +void wxSpinCtrlGTKBase::OnChar( wxKeyEvent &event ) { wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") ); - if (event.KeyCode() == WXK_RETURN) + if (event.GetKeyCode() == WXK_RETURN) { - wxWindow *top_frame = m_parent; - while (top_frame->GetParent() && !(top_frame->GetParent()->IsTopLevel())) - top_frame = top_frame->GetParent(); - GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + wxWindow *top_frame = wxGetTopLevelParent(m_parent); - if (window->default_widget) + if ( GTK_IS_WINDOW(top_frame->m_widget) ) { - gtk_widget_activate (window->default_widget); - return; + GtkWindow *window = GTK_WINDOW(top_frame->m_widget); + if ( window ) + { + GtkWidget* widgetDef = gtk_window_get_default_widget(window); + + if ( widgetDef ) + { + gtk_widget_activate(widgetDef); + return; + } + } } } + if ((event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER)) + { + wxCommandEvent evt( wxEVT_COMMAND_TEXT_ENTER, m_windowId ); + evt.SetEventObject(this); + GtkSpinButton *gsb = GTK_SPIN_BUTTON(m_widget); + wxString val = wxGTK_CONV_BACK( gtk_entry_get_text( &gsb->entry ) ); + evt.SetString( val ); + if (HandleWindowEvent(evt)) return; + } + event.Skip(); } -bool wxSpinCtrl::IsOwnGtkWindow( GdkWindow *window ) +GdkWindow *wxSpinCtrlGTKBase::GTKGetWindow(wxArrayGdkWindows& windows) const { - return GTK_SPIN_BUTTON(m_widget)->panel == window; +#ifdef __WXGTK3__ + // no access to internal GdkWindows + wxUnusedVar(windows); +#else + GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget); + + windows.push_back(spinbutton->entry.text_area); + windows.push_back(spinbutton->panel); +#endif + + return NULL; } -void wxSpinCtrl::ApplyWidgetStyle() +wxSize wxSpinCtrlGTKBase::DoGetBestSize() const { - SetWidgetStyle(); - gtk_widget_set_style( m_widget, m_widgetStyle ); + wxSize ret( wxControl::DoGetBestSize() ); + wxSize best(95, ret.y); // FIXME: 95? + CacheBestSize(best); + return best; } -wxSize wxSpinCtrl::DoGetBestSize() const +// static +wxVisualAttributes +wxSpinCtrlGTKBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - wxSize ret( wxControl::DoGetBestSize() ); - return wxSize(95, ret.y); + // TODO: overload to accept functions like gtk_spin_button_new? + // Until then use a similar type + return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); } -#endif - // wxUSE_SPINCTRL +//----------------------------------------------------------------------------- +// wxSpinCtrl +//----------------------------------------------------------------------------- + +extern "C" +{ + +static gboolean +wx_gtk_spin_input(GtkSpinButton* spin, gdouble* val, wxSpinCtrl* win) +{ + // We might use g_ascii_strtoll() here but it's 2.12+ only, so use our own + // wxString function even if this requires an extra conversion. + const wxString + text(wxString::FromUTF8(gtk_entry_get_text(GTK_ENTRY(spin)))); + + long lval; + if ( !text.ToLong(&lval, win->GetBase()) ) + return FALSE; + + *val = lval; + + return TRUE; +} + +static gint +wx_gtk_spin_output(GtkSpinButton* spin, wxSpinCtrl* win) +{ + const gint val = gtk_spin_button_get_value_as_int(spin); + + gtk_entry_set_text + ( + GTK_ENTRY(spin), + wxPrivate::wxSpinCtrlFormatAsHex(val, win->GetMax()).utf8_str() + ); + + return TRUE; +} + +} // extern "C" + +bool wxSpinCtrl::SetBase(int base) +{ + // Currently we only support base 10 and 16. We could add support for base + // 8 quite easily but wxMSW doesn't support it natively so don't bother + // with doing something wxGTK-specific here. + if ( base != 10 && base != 16 ) + return false; + + if ( base == m_base ) + return true; + + m_base = base; + + // We need to be able to enter letters for any base greater than 10. + gtk_spin_button_set_numeric( GTK_SPIN_BUTTON(m_widget), m_base <= 10 ); + + if ( m_base != 10 ) + { + g_signal_connect( GTK_SPIN_BUTTON(m_widget), "input", + G_CALLBACK(wx_gtk_spin_input), this); + g_signal_connect( GTK_SPIN_BUTTON(m_widget), "output", + G_CALLBACK(wx_gtk_spin_output), this); + } + else + { + g_signal_handlers_disconnect_by_func(GTK_SPIN_BUTTON(m_widget), + (gpointer)wx_gtk_spin_input, + this); + g_signal_handlers_disconnect_by_func(GTK_SPIN_BUTTON(m_widget), + (gpointer)wx_gtk_spin_output, + this); + } + + return true; +} + +//----------------------------------------------------------------------------- +// wxSpinCtrlDouble +//----------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlDouble, wxSpinCtrlGTKBase) + +unsigned wxSpinCtrlDouble::GetDigits() const +{ + wxCHECK_MSG( m_widget, 0, "invalid spin button" ); + + return gtk_spin_button_get_digits( GTK_SPIN_BUTTON(m_widget) ); +} + +void wxSpinCtrlDouble::SetDigits(unsigned digits) +{ + wxCHECK_RET( m_widget, "invalid spin button" ); + + gtk_spin_button_set_digits( GTK_SPIN_BUTTON(m_widget), digits); +} + +#endif // wxUSE_SPINCTRL