266 lines
7.5 KiB
C
266 lines
7.5 KiB
C
// 28 april 2015
|
|
#include "uipriv_unix.h"
|
|
|
|
#define containerWidgetType (containerWidget_get_type())
|
|
#define containerWidget(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), containerWidgetType, containerWidget))
|
|
#define IscontainerWidget(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), containerWidgetType))
|
|
#define containerWidgetClass(class) (G_TYPE_CHECK_CLASS_CAST((class), containerWidgetType, containerWidgetClass))
|
|
#define IscontainerWidgetClass(class) (G_TYPE_CHECK_CLASS_TYPE((class), containerWidget))
|
|
#define GetcontainerWidgetClass(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), containerWidgetType, containerWidgetClass))
|
|
|
|
typedef struct containerWidget containerWidget;
|
|
typedef struct containerWidgetClass containerWidgetClass;
|
|
|
|
struct containerWidget {
|
|
GtkContainer parent_instance;
|
|
uiContainer *c;
|
|
GPtrArray *widgets; // for for_each()/for_all()
|
|
uiContainer *parent;
|
|
int hidden;
|
|
};
|
|
|
|
struct containerWidgetClass {
|
|
GtkContainerClass parent_class;
|
|
};
|
|
|
|
G_DEFINE_TYPE(containerWidget, containerWidget, GTK_TYPE_CONTAINER)
|
|
|
|
static void containerWidget_init(containerWidget *c)
|
|
{
|
|
c->widgets = g_ptr_array_new();
|
|
gtk_widget_set_has_window(GTK_WIDGET(c), FALSE);
|
|
}
|
|
|
|
static void containerWidget_dispose(GObject *obj)
|
|
{
|
|
G_OBJECT_CLASS(containerWidget_parent_class)->dispose(obj);
|
|
}
|
|
|
|
static void containerWidget_finalize(GObject *obj)
|
|
{
|
|
containerWidget *c = containerWidget(obj);
|
|
|
|
g_ptr_array_unref(c->widgets);
|
|
G_OBJECT_CLASS(containerWidget_parent_class)->finalize(obj);
|
|
}
|
|
|
|
static void containerWidget_add(GtkContainer *container, GtkWidget *widget)
|
|
{
|
|
containerWidget *c = containerWidget(container);
|
|
|
|
gtk_widget_set_parent(widget, GTK_WIDGET(c));
|
|
g_ptr_array_add(c->widgets, widget);
|
|
}
|
|
|
|
static void containerWidget_remove(GtkContainer *container, GtkWidget *widget)
|
|
{
|
|
containerWidget *c = containerWidget(container);
|
|
|
|
gtk_widget_unparent(widget);
|
|
if (g_ptr_array_remove(c->widgets, widget) == FALSE)
|
|
complain("widget %p not found in containerWidget gtk_container_remove()", widget);
|
|
}
|
|
|
|
#define gtkXPadding 12
|
|
#define gtkYPadding 6
|
|
|
|
static void containerWidget_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
|
|
{
|
|
containerWidget *c = containerWidget(widget);
|
|
uiSizing d;
|
|
|
|
gtk_widget_set_allocation(GTK_WIDGET(c), allocation);
|
|
d.xPadding = gtkXPadding;
|
|
d.yPadding = gtkYPadding;
|
|
uiContainerResizeChildren(c->c, allocation->x, allocation->y, allocation->width, allocation->height, &d);
|
|
}
|
|
|
|
static void containerWidget_get_preferred_height(GtkWidget *widget, gint *minimum, gint *natural)
|
|
{
|
|
containerWidget *c = containerWidget(widget);
|
|
intmax_t width, height;
|
|
uiSizing d;
|
|
|
|
d.xPadding = gtkXPadding;
|
|
d.yPadding = gtkYPadding;
|
|
uiControlPreferredSize(uiControl(c->c), &d, &width, &height);
|
|
*minimum = 0; // allow arbitrary resize
|
|
*natural = height;
|
|
}
|
|
|
|
static void containerWidget_get_preferred_width(GtkWidget *widget, gint *minimum, gint *natural)
|
|
{
|
|
containerWidget *c = containerWidget(widget);
|
|
intmax_t width, height;
|
|
uiSizing d;
|
|
|
|
d.xPadding = gtkXPadding;
|
|
d.yPadding = gtkYPadding;
|
|
uiControlPreferredSize(uiControl(c->c), &d, &width, &height);
|
|
*minimum = 0; // allow arbitrary resize
|
|
*natural = width;
|
|
}
|
|
|
|
struct forall {
|
|
GtkCallback callback;
|
|
gpointer data;
|
|
};
|
|
|
|
static void doforall(gpointer obj, gpointer data)
|
|
{
|
|
struct forall *s = (struct forall *) data;
|
|
|
|
(*(s->callback))(GTK_WIDGET(obj), s->data);
|
|
}
|
|
|
|
static void containerWidget_forall(GtkContainer *container, gboolean includeInternals, GtkCallback callback, gpointer data)
|
|
{
|
|
containerWidget *c = containerWidget(container);
|
|
struct forall s;
|
|
|
|
s.callback = callback;
|
|
s.data = data;
|
|
g_ptr_array_foreach(c->widgets, doforall, &s);
|
|
}
|
|
|
|
static void containerWidget_class_init(containerWidgetClass *class)
|
|
{
|
|
G_OBJECT_CLASS(class)->dispose = containerWidget_dispose;
|
|
G_OBJECT_CLASS(class)->finalize = containerWidget_finalize;
|
|
GTK_WIDGET_CLASS(class)->size_allocate = containerWidget_size_allocate;
|
|
GTK_WIDGET_CLASS(class)->get_preferred_height = containerWidget_get_preferred_height;
|
|
GTK_WIDGET_CLASS(class)->get_preferred_width = containerWidget_get_preferred_width;
|
|
GTK_CONTAINER_CLASS(class)->add = containerWidget_add;
|
|
GTK_CONTAINER_CLASS(class)->remove = containerWidget_remove;
|
|
GTK_CONTAINER_CLASS(class)->forall = containerWidget_forall;
|
|
}
|
|
|
|
// subclasses override this and call back here when all children are destroyed
|
|
static void containerDestroy(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
if (c->parent != NULL)
|
|
complain("attempt to destroy uiContainer %p while it has a parent", cc);
|
|
g_object_unref(c); // release our initial reference, which destroys the widget
|
|
}
|
|
|
|
static uintptr_t containerHandle(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
return (uintptr_t) c;
|
|
}
|
|
|
|
static void containerSetParent(uiControl *cc, uiContainer *parent)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
uiContainer *oldparent;
|
|
GtkContainer *oldcontainer;
|
|
GtkContainer *newcontainer;
|
|
|
|
oldparent = c->parent;
|
|
c->parent = parent;
|
|
if (oldparent != NULL) {
|
|
oldcontainer = GTK_CONTAINER(uiControlHandle(uiControl(oldparent)));
|
|
gtk_container_remove(oldcontainer, GTK_WIDGET(c));
|
|
}
|
|
if (c->parent != NULL) {
|
|
newcontainer = GTK_CONTAINER(uiControlHandle(uiControl(c->parent)));
|
|
gtk_container_add(newcontainer, GTK_WIDGET(c));
|
|
}
|
|
if (oldparent != NULL)
|
|
uiContainerUpdate(oldparent);
|
|
if (c->parent != NULL)
|
|
uiContainerUpdate(c->parent);
|
|
}
|
|
|
|
static void containerResize(uiControl *cc, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
GtkAllocation a;
|
|
|
|
a.x = x;
|
|
a.y = y;
|
|
a.width = width;
|
|
a.height = height;
|
|
gtk_widget_size_allocate(GTK_WIDGET(c), &a);
|
|
}
|
|
|
|
static int containerVisible(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
return !c->hidden;
|
|
}
|
|
|
|
static void containerShow(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
// don't use gtk_widget_show_all(); that'll show every widget, including ones hidden by the user
|
|
gtk_widget_show(GTK_WIDGET(c));
|
|
// hidden controls don't count in boxes and grids
|
|
c->hidden = 0;
|
|
if (c->parent != NULL)
|
|
uiContainerUpdate(c->parent);
|
|
}
|
|
|
|
static void containerHide(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
gtk_widget_hide(GTK_WIDGET(c));
|
|
c->hidden = 1;
|
|
if (c->parent != NULL)
|
|
uiContainerUpdate(c->parent);
|
|
}
|
|
|
|
static void containerEnable(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
gtk_widget_set_sensitive(GTK_WIDGET(c), TRUE);
|
|
}
|
|
|
|
static void containerDisable(uiControl *cc)
|
|
{
|
|
containerWidget *c = containerWidget(cc->Internal);
|
|
|
|
gtk_widget_set_sensitive(GTK_WIDGET(c), FALSE);
|
|
}
|
|
|
|
static void containerUpdate(uiContainer *cc)
|
|
{
|
|
containerWidget *c = containerWidget(uiControl(cc)->Internal);
|
|
|
|
gtk_widget_queue_resize(GTK_WIDGET(c));
|
|
}
|
|
|
|
void uiMakeContainer(uiContainer *cc)
|
|
{
|
|
containerWidget *c;
|
|
|
|
c = containerWidget(g_object_new(containerWidgetType, NULL));
|
|
c->c = cc;
|
|
// keep a reference to our container so it stays alive when reparented
|
|
g_object_ref_sink(c);
|
|
// and make it visible
|
|
gtk_widget_show_all(GTK_WIDGET(c));
|
|
|
|
uiControl(cc)->Internal = c;
|
|
uiControl(cc)->Destroy = containerDestroy;
|
|
uiControl(cc)->Handle = containerHandle;
|
|
uiControl(cc)->SetParent = containerSetParent;
|
|
// PreferredSize() is provided by subclasses
|
|
uiControl(cc)->Resize = containerResize;
|
|
uiControl(cc)->Visible = containerVisible;
|
|
uiControl(cc)->Show = containerShow;
|
|
uiControl(cc)->Hide = containerHide;
|
|
uiControl(cc)->Enable = containerEnable;
|
|
uiControl(cc)->Disable = containerDisable;
|
|
|
|
// ResizeChildren() is provided by subclasses
|
|
uiContainer(cc)->Update = containerUpdate;
|
|
}
|