147 lines
4.3 KiB
C
147 lines
4.3 KiB
C
// 28 april 2015
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#include "uipriv_unix.h"
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#define containerWidgetType (containerWidget_get_type())
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#define containerWidget(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), containerWidgetType, containerWidget))
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#define IscontainerWidget(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), containerWidgetType))
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#define containerWidgetClass(class) (G_TYPE_CHECK_CLASS_CAST((class), containerWidgetType, containerWidgetClass))
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#define IscontainerWidgetClass(class) (G_TYPE_CHECK_CLASS_TYPE((class), containerWidget))
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#define GetcontainerWidgetClass(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), containerWidgetType, containerWidgetClass))
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typedef struct containerWidget containerWidget;
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typedef struct containerWidgetClass containerWidgetClass;
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struct containerWidget {
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GtkContainer parent_instance;
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uiControl *c;
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GPtrArray *widgets; // for for_each()/for_all()
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};
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struct containerWidgetClass {
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GtkContainerClass parent_class;
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};
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G_DEFINE_TYPE(containerWidget, containerWidget, GTK_TYPE_CONTAINER)
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static void containerWidget_init(containerWidget *c)
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{
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c->widgets = g_ptr_array_new();
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gtk_widget_set_has_window(GTK_WIDGET(c), FALSE);
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}
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static void containerWidget_dispose(GObject *obj)
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{
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G_OBJECT_CLASS(containerWidget_parent_class)->dispose(obj);
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}
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static void containerWidget_finalize(GObject *obj)
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{
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containerWidget *c = containerWidget(obj);
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g_ptr_array_unref(c->widgets);
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G_OBJECT_CLASS(containerWidget_parent_class)->finalize(obj);
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}
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static void containerWidget_add(GtkContainer *container, GtkWidget *widget)
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{
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containerWidget *c = containerWidget(container);
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gtk_widget_set_parent(widget, GTK_WIDGET(c));
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g_ptr_array_add(c->widgets, widget);
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}
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static void containerWidget_remove(GtkContainer *container, GtkWidget *widget)
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{
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containerWidget *c = containerWidget(container);
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gtk_widget_unparent(widget);
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if (g_ptr_array_remove(c->widgets, widget) == FALSE)
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complain("widget %p not found in containerWidget gtk_container_remove()", widget);
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}
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static void containerWidget_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
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{
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containerWidget *c = containerWidget(widget);
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uiSizing *d;
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intmax_t x, y, width, height;
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gtk_widget_set_allocation(GTK_WIDGET(c), allocation);
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x = allocation->x;
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y = allocation->y;
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width = allocation->width;
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height = allocation->height;
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d = uiUnixNewSizing();
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uiControlResize(c->c, x, y, width, height, d);
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uiFreeSizing(d);
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}
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static void containerWidget_get_preferred_height(GtkWidget *widget, gint *minimum, gint *natural)
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{
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containerWidget *c = containerWidget(widget);
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intmax_t width, height;
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uiSizing *d;
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d = uiUnixNewSizing();
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uiControlPreferredSize(uiControl(c->c), d, &width, &height);
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uiFreeSizing(d);
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*minimum = 0; // allow arbitrary resize
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*natural = height;
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}
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static void containerWidget_get_preferred_width(GtkWidget *widget, gint *minimum, gint *natural)
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{
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containerWidget *c = containerWidget(widget);
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intmax_t width, height;
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uiSizing *d;
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d = uiUnixNewSizing();
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uiControlPreferredSize(uiControl(c->c), d, &width, &height);
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uiFreeSizing(d);
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*minimum = 0; // allow arbitrary resize
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*natural = width;
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}
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struct forall {
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GtkCallback callback;
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gpointer data;
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};
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static void doforall(gpointer obj, gpointer data)
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{
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struct forall *s = (struct forall *) data;
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(*(s->callback))(GTK_WIDGET(obj), s->data);
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}
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static void containerWidget_forall(GtkContainer *container, gboolean includeInternals, GtkCallback callback, gpointer data)
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{
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containerWidget *c = containerWidget(container);
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struct forall s;
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s.callback = callback;
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s.data = data;
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g_ptr_array_foreach(c->widgets, doforall, &s);
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}
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static void containerWidget_class_init(containerWidgetClass *class)
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{
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G_OBJECT_CLASS(class)->dispose = containerWidget_dispose;
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G_OBJECT_CLASS(class)->finalize = containerWidget_finalize;
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GTK_WIDGET_CLASS(class)->size_allocate = containerWidget_size_allocate;
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GTK_WIDGET_CLASS(class)->get_preferred_height = containerWidget_get_preferred_height;
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GTK_WIDGET_CLASS(class)->get_preferred_width = containerWidget_get_preferred_width;
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GTK_CONTAINER_CLASS(class)->add = containerWidget_add;
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GTK_CONTAINER_CLASS(class)->remove = containerWidget_remove;
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GTK_CONTAINER_CLASS(class)->forall = containerWidget_forall;
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}
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uintptr_t uiMakeContainer(uiControl *c)
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{
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GtkWidget *widget;
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widget = GTK_WIDGET(g_object_new(containerWidgetType, NULL));
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uiUnixMakeSingleWidgetControl(c, widget);
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containerWidget(widget)->c = c;
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return (uintptr_t) widget;
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}
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