gboolean iupgtkButtonEvent(GtkWidget *widget, GdkEventButton *evt, Ihandle *ih)
{
IFniiiis cb = (IFniiiis)IupGetCallback(ih,"BUTTON_CB");
if (cb)
{
int doubleclick = 0, ret, press = 1;
int b = IUP_BUTTON1+(evt->button-1);
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
if (evt->type == GDK_BUTTON_RELEASE)
press = 0;
if (evt->type == GDK_2BUTTON_PRESS)
doubleclick = 1;
iupgtkButtonKeySetStatus(evt->state, evt->button, status, doubleclick);
ret = cb(ih, b, press, (int)evt->x, (int)evt->y, status);
if (ret==IUP_CLOSE)
IupExitLoop();
else if (ret==IUP_IGNORE)
return TRUE;
}
(void)widget;
return FALSE;
}
gboolean iupgtkMotionNotifyEvent(GtkWidget *widget, GdkEventMotion *evt, Ihandle *ih)
{
IFniis cb = (IFniis)IupGetCallback(ih,"MOTION_CB");
if (cb)
{
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
iupgtkButtonKeySetStatus(evt->state, 0, status, 0);
cb(ih, (int)evt->x, (int)evt->y, status);
}
(void)widget;
return FALSE;
}
static gboolean gtkCanvasScrollEvent(GtkWidget *widget, GdkEventScroll *evt, Ihandle *ih)
{
/* occours only for the mouse wheel. Not related to the scrollbars */
IFnfiis wcb = (IFnfiis)IupGetCallback(ih, "WHEEL_CB");
if (wcb)
{
int delta = evt->direction==GDK_SCROLL_UP||evt->direction==GDK_SCROLL_LEFT? 1: -1;
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
int button = evt->direction==GDK_SCROLL_UP||evt->direction==GDK_SCROLL_LEFT? 4: 5;
iupgtkButtonKeySetStatus(evt->state, button, status, 0);
wcb(ih, (float)delta, (int)evt->x, (int)evt->y, status);
}
else
{
IFniff scb = (IFniff)IupGetCallback(ih,"SCROLL_CB");
int delta = evt->direction==GDK_SCROLL_UP||evt->direction==GDK_SCROLL_LEFT? 1: -1;
if (evt->direction==GDK_SCROLL_UP || evt->direction==GDK_SCROLL_DOWN)
{
float posy = ih->data->posy;
posy -= delta*iupAttribGetFloat(ih, "DY")/10.0f;
IupSetfAttribute(ih, "POSY", "%g", posy);
}
else
{
float posx = ih->data->posx;
posx -= delta*iupAttribGetFloat(ih, "DX")/10.0f;
IupSetfAttribute(ih, "POSX", "%g", posx);
}
if (scb)
{
int scroll_gtk2iup[4] = {IUP_SBUP, IUP_SBDN, IUP_SBLEFT, IUP_SBRIGHT};
int op = scroll_gtk2iup[evt->direction];
scb(ih,op,ih->data->posx,ih->data->posy);
}
}
(void)widget;
return TRUE;
}
static gboolean gtkDragMotion(GtkWidget *widget, GdkDragContext *drag_context, gint x, gint y, guint time, Ihandle* ih)
{
GdkAtom targetAtom;
/* The third argument must be NULL. Internally, GTK will use the list returned
by the call gtk_drag_dest_get_target_list(widget), which is the list of targets
that be destination widget can accept (defined in the gtkSetDropTargetAttrib IUP) */
targetAtom = gtk_drag_dest_find_target(widget, drag_context, NULL);
if(targetAtom != GDK_NONE)
{
IFniis cbDropMotion = (IFniis)IupGetCallback(ih, "DROPMOTION_CB");
if(cbDropMotion)
{
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
GdkModifierType mask;
gdk_window_get_pointer(iupgtkGetWindow(widget), NULL, NULL, &mask);
iupgtkButtonKeySetStatus(mask, 0, status, 0);
cbDropMotion(ih, x, y, status);
}
#if GTK_CHECK_VERSION(2, 22, 0)
gdk_drag_status(drag_context, gdk_drag_context_get_suggested_action(drag_context), time);
#else
gdk_drag_status(drag_context, drag_context->suggested_action, time);
#endif
return TRUE;
}
(void)ih;
(void)x;
(void)y;
gdk_drag_status(drag_context, 0, time);
return FALSE;
}
static void iGdkEventFunc(GdkEvent *evt, gpointer data)
{
switch(evt->type)
{
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
{
IFiiiis cb = (IFiiiis)IupGetFunction("GLOBALBUTTON_CB");
if (cb)
{
GdkEventButton* evt_button = (GdkEventButton*)evt;
gint win_x = 0, win_y = 0;
int doubleclick = 0, press = 1;
int b = IUP_BUTTON1+(evt_button->button-1);
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
int x = (int)evt_button->x;
int y = (int)evt_button->y;
if (evt_button->type == GDK_BUTTON_RELEASE)
press = 0;
if (evt_button->type == GDK_2BUTTON_PRESS)
doubleclick = 1;
iupgtkButtonKeySetStatus(evt_button->state, evt_button->button, status, doubleclick);
gdk_window_get_origin(evt_button->window, &win_x, &win_y); /* GDK window relative to screen */
x += win_x;
y += win_y;
if (doubleclick)
{
/* Must compensate the fact that in GTK there is an extra button press event
when occours a double click, we compensate that completing the event
with a button release before the double click. */
status[5] = ' '; /* clear double click */
cb(b, 0, x, y, status); /* release */
status[5] = 'D'; /* restore double click */
}
cb(b, press, x, y, status);
}
break;
}
case GDK_MOTION_NOTIFY:
{
IFiis cb = (IFiis)IupGetFunction("GLOBALMOTION_CB");
if (cb)
{
GdkEventMotion* evt_motion = (GdkEventMotion*)evt;
gint win_x = 0, win_y = 0;
int x = (int)evt_motion->x;
int y = (int)evt_motion->y;
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
iupgtkButtonKeySetStatus(evt_motion->state, 0, status, 0);
if (evt_motion->is_hint)
iupgtkWindowGetPointer(evt_motion->window, &x, &y, NULL);
gdk_window_get_origin(evt_motion->window, &win_x, &win_y); /* GDK window relative to screen */
x += win_x;
y += win_y;
cb(x, y, status);
}
break;
}
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
{
IFii cb = (IFii)IupGetFunction("GLOBALKEYPRESS_CB");
if (cb)
{
int pressed = (evt->type==GDK_KEY_PRESS)? 1: 0;
int code = iupgtkKeyDecode((GdkEventKey*)evt);
if (code != 0)
cb(code, pressed);
}
break;
}
default:
break;
}
(void)data;
gtk_main_do_event(evt);
}
