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/* GuiButton.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 & sdk 2007/12/25 gtk
* fb 2010/02/23 GTK
* pb 2010/06/14 HandleControlClick
* pb 2010/08/10 removed Motif
* pb 2011/02/07 GuiButton_ATTRACTIVE
* pb 2011/04/06 C++
*/
#include "GuiP.h"
#undef iam
#define iam(x) x me = (x) void_me
#if win || mac
#define iam_button \
Melder_assert (widget -> widgetClass == xmPushButtonWidgetClass); \
GuiButton me = (GuiButton) widget -> userData
#else
#define iam_button \
GuiButton me = (GuiButton) _GuiObject_getUserData (widget)
#endif
typedef struct structGuiButton {
GuiObject widget;
void (*activateCallback) (void *boss, GuiButtonEvent event);
void *activateBoss;
} *GuiButton;
#if gtk
static void _GuiGtkButton_destroyCallback (GuiObject widget, gpointer void_me) {
(void) widget;
iam (GuiButton);
Melder_free (me);
}
static void _GuiGtkButton_activateCallback (GuiObject widget, gpointer void_me) {
iam (GuiButton);
struct structGuiButtonEvent event = { widget, 0 };
if (my activateCallback != NULL) {
try {
my activateCallback (my activateBoss, & event);
} catch (MelderError) {
Melder_error_ ("Your click on button \"", GTK_WIDGET (widget) -> name, "\" was not completely handled.");
Melder_flushError (NULL);
}
}
}
#elif win
void _GuiWinButton_destroy (GuiObject widget) {
iam_button;
if (widget == widget -> shell -> defaultButton)
widget -> shell -> defaultButton = NULL; // remove dangling reference
if (widget == widget -> shell -> cancelButton)
widget -> shell -> cancelButton = NULL; // remove dangling reference
_GuiNativeControl_destroy (widget);
Melder_free (me); // NOTE: my widget is not destroyed here
}
void _GuiWinButton_handleClick (GuiObject widget) {
iam_button;
if (my activateCallback != NULL) {
struct structGuiButtonEvent event = { widget, 0 };
try {
my activateCallback (my activateBoss, & event);
} catch (MelderError) {
Melder_error_ ("Your click on button \"", widget -> name, "\" was not completely handled.");
Melder_flushError (NULL);
}
}
}
bool _GuiWinButton_tryToHandleShortcutKey (GuiObject widget) {
iam_button;
if (my activateCallback != NULL) {
struct structGuiButtonEvent event = { widget, 0 };
try {
my activateCallback (my activateBoss, & event);
} catch (MelderError) {
Melder_error_ ("Your click on button \"", widget -> name, "\" was not completely handled.");
Melder_flushError (NULL);
}
return true;
}
return false;
}
#elif mac
#if useCarbon
void _GuiMacButton_destroy (GuiObject widget) {
iam_button;
if (widget == widget -> shell -> defaultButton)
widget -> shell -> defaultButton = NULL; // remove dangling reference
if (widget == widget -> shell -> cancelButton)
widget -> shell -> cancelButton = NULL; // remove dangling reference
_GuiNativeControl_destroy (widget);
Melder_free (me); // NOTE: my widget is not destroyed here
}
void _GuiMacButton_handleClick (GuiObject widget, EventRecord *macEvent) {
iam_button;
_GuiMac_clipOnParent (widget);
bool pushed = HandleControlClick (widget -> nat.control.handle, macEvent -> where, macEvent -> modifiers, NULL);
GuiMac_clipOff ();
if (pushed && my activateCallback != NULL) {
struct structGuiButtonEvent event = { widget, 0 };
//enum { cmdKey = 256, shiftKey = 512, optionKey = 2048, controlKey = 4096 };
Melder_assert (macEvent -> what == mouseDown);
event. shiftKeyPressed = (macEvent -> modifiers & shiftKey) != 0;
event. commandKeyPressed = (macEvent -> modifiers & cmdKey) != 0;
event. optionKeyPressed = (macEvent -> modifiers & optionKey) != 0;
event. extraControlKeyPressed = (macEvent -> modifiers & controlKey) != 0;
try {
my activateCallback (my activateBoss, & event);
} catch (MelderError) {
Melder_error_ ("Your click on button \"", widget -> name, "\" was not completely handled.");
Melder_flushError (NULL);
}
}
}
bool _GuiMacButton_tryToHandleShortcutKey (GuiObject widget, EventRecord *macEvent) {
iam_button;
if (my activateCallback != NULL) {
struct structGuiButtonEvent event = { widget, 0 };
// ignore modifier keys for Enter
try {
my activateCallback (my activateBoss, & event);
} catch (MelderError) {
Melder_error_ ("Your click on button \"", widget -> name, "\" was not completely handled.");
Melder_flushError (NULL);
}
return true;
}
return false;
}
#else
#endif
#endif
GuiObject GuiButton_create (GuiObject parent, int left, int right, int top, int bottom,
const wchar_t *buttonText, void (*activateCallback) (void *boss, GuiButtonEvent event), void *activateBoss, unsigned long flags)
{
GuiButton me = Melder_calloc_f (struct structGuiButton, 1);
my activateCallback = activateCallback;
my activateBoss = activateBoss;
#if gtk
my widget = gtk_button_new_with_label (Melder_peekWcsToUtf8 (buttonText));
_GuiObject_setUserData (my widget, me);
// _GuiObject_position (my widget, left, right, top, bottom);
// TODO: use gtk_box_pack_start(GTK_BOX(parent), my widget, FALSE, FALSE, ?)
if (parent)
gtk_container_add (GTK_CONTAINER (parent), GTK_WIDGET (my widget));
if (flags & GuiButton_DEFAULT || flags & GuiButton_ATTRACTIVE) {
GTK_WIDGET_SET_FLAGS (my widget, GTK_CAN_DEFAULT);
GtkWidget *shell = gtk_widget_get_toplevel (GTK_WIDGET (my widget));
gtk_window_set_default (GTK_WINDOW (shell), GTK_WIDGET (my widget));
} else if (1) {
gtk_button_set_focus_on_click (GTK_BUTTON (my widget), false);
GTK_WIDGET_UNSET_FLAGS (my widget, GTK_CAN_DEFAULT);
}
g_signal_connect (G_OBJECT (my widget), "destroy",
G_CALLBACK (_GuiGtkButton_destroyCallback), me);
g_signal_connect (GTK_BUTTON (my widget), "clicked",
G_CALLBACK (_GuiGtkButton_activateCallback), me);
// if (flags & GuiButton_CANCEL) {
// parent -> shell -> cancelButton = parent -> cancelButton = my widget;
// }
#elif win
my widget = _Gui_initializeWidget (xmPushButtonWidgetClass, parent, buttonText);
_GuiObject_setUserData (my widget, me);
my widget -> window = CreateWindow (L"button", _GuiWin_expandAmpersands (my widget -> name),
WS_CHILD
| ( flags & (GuiButton_DEFAULT | GuiButton_ATTRACTIVE) ? BS_DEFPUSHBUTTON : BS_PUSHBUTTON )
| 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 & GuiButton_DEFAULT || flags & GuiButton_ATTRACTIVE) {
parent -> shell -> defaultButton = parent -> defaultButton = my widget;
}
if (flags & GuiButton_CANCEL) {
parent -> shell -> cancelButton = parent -> cancelButton = my widget;
}
#elif mac
#if useCarbon
my widget = _Gui_initializeWidget (xmPushButtonWidgetClass, parent, buttonText);
_GuiObject_setUserData (my widget, me);
CreatePushButtonControl (my widget -> macWindow, & my widget -> rect, NULL, & 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, flags & GuiButton_ATTRACTIVE ? /*1*/0 : 0, 13);
_GuiNativeControl_setTitle (my widget);
_GuiObject_position (my widget, left, right, top, bottom);
if (flags & GuiButton_DEFAULT || flags & GuiButton_ATTRACTIVE) {
parent -> shell -> defaultButton = parent -> defaultButton = my widget;
Boolean set = true;
SetControlData (my widget -> nat.control.handle, kControlEntireControl, kControlPushButtonDefaultTag, sizeof (Boolean), & set);
}
if (flags & GuiButton_CANCEL) {
parent -> shell -> cancelButton = parent -> cancelButton = my widget;
}
#else
#endif
#endif
if (flags & GuiButton_INSENSITIVE) {
GuiObject_setSensitive (my widget, false);
}
return my widget;
}
GuiObject GuiButton_createShown (GuiObject parent, int left, int right, int top, int bottom,
const wchar_t *buttonText, void (*clickedCallback) (void *boss, GuiButtonEvent event), void *clickedBoss, unsigned long flags)
{
GuiObject me = GuiButton_create (parent, left, right, top, bottom, buttonText, clickedCallback, clickedBoss, flags);
GuiObject_show (me);
return me;
}
void GuiButton_setString (GuiObject widget, const wchar_t *text) {
#if gtk
gtk_button_set_label (GTK_BUTTON (widget), Melder_peekWcsToUtf8 (text));
#elif win
Melder_free (widget -> name);
widget -> name = Melder_wcsdup_f (text);
_GuiNativeControl_setTitle (widget);
#elif mac
#if useCarbon
Melder_free (widget -> name);
widget -> name = Melder_wcsdup_f (text);
_GuiNativeControl_setTitle (widget);
#else
#endif
#endif
}
/* End of file GuiButton.cpp */
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