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/* GuiRadioButton.cpp
*
* Copyright (C) 1993-2011,2012 Paul Boersma
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* pb 2007/12/26 extracted from Motif
* sdk 2007/12/27 gtk
* pb 2010/05/15 prevented procreation of valueChanged events in GuiRadioButton_setValue
* pb 2010/06/14 HandleControlClick
* pb 2010/11/28 removed Motif
* pb 2011/04/06 C++
*/
#include "GuiP.h"
#undef iam
#define iam(x) x me = (x) void_me
#if win || mac
#define iam_radiobutton \
Melder_assert (widget -> widgetClass == xmToggleButtonWidgetClass); \
GuiRadioButton me = (GuiRadioButton) widget -> userData
#else
#define iam_radiobutton \
GuiRadioButton me = (GuiRadioButton) _GuiObject_getUserData (widget)
#endif
typedef struct structGuiRadioButton {
GuiObject widget;
void (*valueChangedCallback) (void *boss, GuiRadioButtonEvent event);
void *valueChangedBoss;
#if gtk
gulong valueChangedHandlerId;
#endif
} *GuiRadioButton;
#if gtk
static void _GuiGtkRadioButton_destroyCallback (GuiObject widget, gpointer void_me) {
(void) widget;
iam (GuiRadioButton);
Melder_free (me);
}
static void _GuiGtkRadioButton_valueChangedCallback (GuiObject widget, gpointer void_me) {
iam (GuiRadioButton);
struct structGuiRadioButtonEvent event = { widget };
if (my valueChangedCallback != NULL) {
my valueChangedCallback (my valueChangedBoss, & event);
}
}
#elif win
void _GuiWinRadioButton_destroy (GuiObject widget) {
iam_radiobutton;
_GuiNativeControl_destroy (widget);
Melder_free (me); // NOTE: my widget is not destroyed here
}
void _GuiWinRadioButton_handleClick (GuiObject widget) {
iam_radiobutton;
if (my valueChangedCallback != NULL) {
struct structGuiRadioButtonEvent event = { widget };
my valueChangedCallback (my valueChangedBoss, & event);
}
}
#elif mac
#if useCarbon
void _GuiMacRadioButton_destroy (GuiObject widget) {
iam_radiobutton;
_GuiNativeControl_destroy (widget);
Melder_free (me); // NOTE: my widget is not destroyed here
}
void _GuiMacRadioButton_handleClick (GuiObject widget, EventRecord *macEvent) {
iam_radiobutton;
_GuiMac_clipOnParent (widget);
bool clicked = HandleControlClick (widget -> nat.control.handle, macEvent -> where, macEvent -> modifiers, NULL);
GuiMac_clipOff ();
if (clicked) {
if (widget -> parent -> radioBehavior) {
/*
* Deselect the sister buttons.
*/
for (GuiObject sibling = widget -> parent -> firstChild; sibling != NULL; sibling = sibling -> nextSibling) {
if (sibling -> widgetClass == xmToggleButtonWidgetClass && sibling != widget)
SetControlValue (sibling -> nat.control.handle, 0);
}
}
if (my valueChangedCallback != NULL) {
struct structGuiRadioButtonEvent event = { widget };
my valueChangedCallback (my valueChangedBoss, & event);
}
}
}
#else
#endif
#endif
GuiObject GuiRadioButton_create (GuiObject parent, int left, int right, int top, int bottom,
const wchar_t *buttonText, void (*valueChangedCallback) (void *boss, GuiRadioButtonEvent event), void *valueChangedBoss, unsigned long flags)
{
GuiRadioButton me = Melder_calloc_f (struct structGuiRadioButton, 1);
my valueChangedCallback = valueChangedCallback;
my valueChangedBoss = valueChangedBoss;
#if gtk
my widget = gtk_radio_button_new_with_label (NULL, Melder_peekWcsToUtf8 (buttonText));
_GuiObject_setUserData (my widget, me);
// _GuiObject_position (my widget, left, right, top, bottom);
if (GTK_IS_BOX (parent)) {
gtk_container_add (GTK_CONTAINER (parent), GTK_WIDGET (my widget));
}
if (flags & GuiRadioButton_SET) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (my widget), TRUE);
}
if (flags & GuiCheckButton_INSENSITIVE) {
GuiObject_setSensitive (my widget, FALSE);
}
g_signal_connect (G_OBJECT (my widget), "destroy", G_CALLBACK (_GuiGtkRadioButton_destroyCallback), me);
my valueChangedHandlerId = g_signal_connect (GTK_TOGGLE_BUTTON (my widget), "toggled", G_CALLBACK (_GuiGtkRadioButton_valueChangedCallback), me);
#elif win
my widget = _Gui_initializeWidget (xmToggleButtonWidgetClass, parent, buttonText);
_GuiObject_setUserData (my widget, me);
my widget -> isRadioButton = true;
my widget -> window = CreateWindow (L"button", _GuiWin_expandAmpersands (buttonText),
WS_CHILD
| ( my widget -> parent -> radioBehavior ? BS_AUTORADIOBUTTON : BS_RADIOBUTTON )
| WS_CLIPSIBLINGS,
my widget -> x, my widget -> y, my widget -> width, my widget -> height,
my widget -> parent -> window, (HMENU) 1, theGui.instance, NULL);
SetWindowLongPtr (my widget -> window, GWLP_USERDATA, (LONG_PTR) my widget);
SetWindowFont (my widget -> window, GetStockFont (ANSI_VAR_FONT), FALSE);
_GuiObject_position (my widget, left, right, top, bottom);
if (flags & GuiRadioButton_SET) {
Button_SetCheck (my widget -> window, BST_CHECKED);
}
if (flags & GuiRadioButton_INSENSITIVE) {
GuiObject_setSensitive (my widget, false);
}
#elif mac
#if useCarbon
my widget = _Gui_initializeWidget (xmToggleButtonWidgetClass, parent, buttonText);
_GuiObject_setUserData (my widget, me);
my widget -> isRadioButton = true;
CreateRadioButtonControl (my widget -> macWindow, & my widget -> rect, NULL,
(flags & GuiRadioButton_SET) != 0, true, & my widget -> nat.control.handle);
Melder_assert (my widget -> nat.control.handle != NULL);
SetControlReference (my widget -> nat.control.handle, (long) my widget);
my widget -> isControl = true;
_GuiNativeControl_setFont (my widget, 0, 13);
_GuiNativeControl_setTitle (my widget);
_GuiObject_position (my widget, left, right, top, bottom);
if (flags & GuiRadioButton_INSENSITIVE) {
GuiObject_setSensitive (my widget, false);
}
#endif
#endif
return my widget;
}
GuiObject GuiRadioButton_createShown (GuiObject parent, int left, int right, int top, int bottom,
const wchar_t *buttonText, void (*valueChangedCallback) (void *boss, GuiRadioButtonEvent event), void *valueChangedBoss, unsigned long flags)
{
GuiObject me = GuiRadioButton_create (parent, left, right, top, bottom, buttonText, valueChangedCallback, valueChangedBoss, flags);
GuiObject_show (me);
return me;
}
bool GuiRadioButton_getValue (GuiObject widget) {
bool value = false;
#if gtk
value = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)); // gtk_check_button inherits from gtk_toggle_button
#elif win
value = (Button_GetState (widget -> window) & 0x0003) == BST_CHECKED;
#elif mac
#if useCarbon
value = GetControlValue (widget -> nat.control.handle);
#else
#endif
#endif
return value;
}
void GuiRadioButton_setValue (GuiObject widget, bool value) {
/*
* The value should be set without calling the valueChanged callback.
*/
#if gtk
iam_radiobutton;
g_signal_handler_disconnect (GTK_TOGGLE_BUTTON (my widget), my valueChangedHandlerId);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (my widget), value);
my valueChangedHandlerId = g_signal_connect (GTK_TOGGLE_BUTTON (my widget), "toggled", G_CALLBACK (_GuiGtkRadioButton_valueChangedCallback), me);
#elif win
Button_SetCheck (widget -> window, value ? BST_CHECKED : BST_UNCHECKED);
#elif mac
#if useCarbon
SetControlValue (widget -> nat.control.handle, value);
#else
#endif
#endif
}
#if gtk
void * GuiRadioButton_getGroup (GuiObject widget) {
return (void *) gtk_radio_button_get_group (GTK_RADIO_BUTTON (widget));
}
void GuiRadioButton_setGroup (GuiObject widget, void *group) {
gtk_radio_button_set_group (GTK_RADIO_BUTTON (widget), (GSList *) group);
}
#endif
/* End of file GuiRadioButton.cpp */
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