-/////////////////////////////////////////////////////////////////////////////
-// Name: wx_gtk.h
-// Purpose:
+/* ///////////////////////////////////////////////////////////////////////////
+// Name: src/gtk/win_gtk.c
+// Purpose: Native GTK+ widget for wxWidgets, based on GtkLayout and
+// GtkFixed. It makes use of the gravity window property and
+// therefore does not work with GTK 1.0.
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWidgets licence
+/////////////////////////////////////////////////////////////////////////// */
+#ifdef VMS
+#define XCheckIfEvent XCHECKIFEVENT
+#endif
+
+#include "wx/platform.h"
#include "wx/gtk/win_gtk.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
-static void gtk_myfixed_class_init (GtkMyFixedClass *klass);
-static void gtk_myfixed_init (GtkMyFixed *myfixed);
-static void gtk_myfixed_map (GtkWidget *widget);
-static void gtk_myfixed_unmap (GtkWidget *widget);
-static void gtk_myfixed_realize (GtkWidget *widget);
-static void gtk_myfixed_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void gtk_myfixed_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_myfixed_paint (GtkWidget *widget,
- GdkRectangle *area);
-static void gtk_myfixed_draw (GtkWidget *widget,
- GdkRectangle *area);
-static gint gtk_myfixed_expose (GtkWidget *widget,
- GdkEventExpose *event);
-static void gtk_myfixed_add (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_myfixed_remove (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_myfixed_foreach (GtkContainer *container,
- GtkCallback callback,
- gpointer callback_data);
-
-
-static GtkContainerClass *parent_class = NULL;
-
-
-guint
-gtk_myfixed_get_type ()
+typedef struct _GtkPizzaChild GtkPizzaChild;
+typedef struct _GtkPizzaClass GtkPizzaClass;
+typedef struct _GtkPizzaAdjData GtkPizzaAdjData;
+
+struct _GtkPizzaClass
+{
+ GtkContainerClass parent_class;
+
+ void (*set_scroll_adjustments) (GtkPizza *pizza,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment);
+};
+
+struct _GtkPizzaChild
+{
+ GtkWidget *widget;
+ gint x;
+ gint y;
+};
+
+struct _GtkPizzaAdjData
+{
+ gint dx;
+ gint dy;
+};
+
+static void gtk_pizza_class_init (GtkPizzaClass *klass);
+static void gtk_pizza_init (GtkPizza *pizza);
+
+static void gtk_pizza_realize (GtkWidget *widget);
+static void gtk_pizza_unrealize (GtkWidget *widget);
+
+static void gtk_pizza_map (GtkWidget *widget);
+
+static void gtk_pizza_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_pizza_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_pizza_style_set (GtkWidget *widget,
+ GtkStyle *previous_style);
+static void gtk_pizza_add (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_pizza_remove (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_pizza_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+
+static void gtk_pizza_allocate_child (GtkPizza *pizza,
+ GtkPizzaChild *child);
+static void gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
+ gpointer cb_data);
+
+static GtkType gtk_pizza_child_type (GtkContainer *container);
+
+static void gtk_pizza_scroll_set_adjustments (GtkPizza *pizza,
+ GtkAdjustment *hadj,
+ GtkAdjustment *vadj);
+
+static GtkWidgetClass* pizza_parent_class;
+
+GtkType
+gtk_pizza_get_type ()
+{
+ static GtkType pizza_type = 0;
+
+ if (!pizza_type)
+ {
+ static const GTypeInfo pizza_info =
+ {
+ sizeof (GtkPizzaClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_pizza_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GtkPizza),
+ 16, /* n_preallocs */
+ (GInstanceInitFunc) gtk_pizza_init,
+ NULL
+ };
+ pizza_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkPizza", &pizza_info, (GTypeFlags)0);
+ }
+
+ return pizza_type;
+}
+
+/* Marshaller needed for set_scroll_adjustments signal,
+ generated with GLib-2.4.6 glib-genmarshal */
+#define g_marshal_value_peek_object(v) g_value_get_object (v)
+static void
+g_cclosure_user_marshal_VOID__OBJECT_OBJECT (GClosure *closure,
+ GValue *return_value,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer invocation_hint,
+ gpointer marshal_data)
{
- static guint myfixed_type = 0;
+ typedef void (*GMarshalFunc_VOID__OBJECT_OBJECT) (gpointer data1,
+ gpointer arg_1,
+ gpointer arg_2,
+ gpointer data2);
+ register GMarshalFunc_VOID__OBJECT_OBJECT callback;
+ register GCClosure *cc = (GCClosure*) closure;
+ register gpointer data1, data2;
- if (!myfixed_type)
+ g_return_if_fail (n_param_values == 3);
+
+ if (G_CCLOSURE_SWAP_DATA (closure))
+ {
+ data1 = closure->data;
+ data2 = g_value_peek_pointer (param_values + 0);
+ }
+ else
{
- GtkTypeInfo myfixed_info =
- {
- "GtkMyFixed",
- sizeof (GtkMyFixed),
- sizeof (GtkMyFixedClass),
- (GtkClassInitFunc) gtk_myfixed_class_init,
- (GtkObjectInitFunc) gtk_myfixed_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL,
- };
-
- myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
+ data1 = g_value_peek_pointer (param_values + 0);
+ data2 = closure->data;
}
+ callback = (GMarshalFunc_VOID__OBJECT_OBJECT) (marshal_data ? marshal_data : cc->callback);
- return myfixed_type;
+ callback (data1,
+ g_marshal_value_peek_object (param_values + 1),
+ g_marshal_value_peek_object (param_values + 2),
+ data2);
}
static void
-gtk_myfixed_class_init (GtkMyFixedClass *klass)
+gtk_pizza_class_init (GtkPizzaClass *klass)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkContainerClass *container_class;
+
+ object_class = (GtkObjectClass*) klass;
+ widget_class = (GtkWidgetClass*) klass;
+ container_class = (GtkContainerClass*) klass;
+ pizza_parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
+
+ widget_class->map = gtk_pizza_map;
+ widget_class->realize = gtk_pizza_realize;
+ widget_class->unrealize = gtk_pizza_unrealize;
+ widget_class->size_request = gtk_pizza_size_request;
+ widget_class->size_allocate = gtk_pizza_size_allocate;
+ widget_class->style_set = gtk_pizza_style_set;
+
+ container_class->add = gtk_pizza_add;
+ container_class->remove = gtk_pizza_remove;
+ container_class->forall = gtk_pizza_forall;
+
+ container_class->child_type = gtk_pizza_child_type;
+
+ klass->set_scroll_adjustments = gtk_pizza_scroll_set_adjustments;
+
+ widget_class->set_scroll_adjustments_signal =
+ g_signal_new(
+ "set_scroll_adjustments",
+ G_TYPE_FROM_CLASS(object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET(GtkPizzaClass, set_scroll_adjustments),
+ NULL,
+ NULL,
+ g_cclosure_user_marshal_VOID__OBJECT_OBJECT,
+ G_TYPE_NONE,
+ 2,
+ GTK_TYPE_ADJUSTMENT,
+ GTK_TYPE_ADJUSTMENT);
+}
+
+static GtkType
+gtk_pizza_child_type (GtkContainer *container)
{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
- GtkContainerClass *container_class;
-
- object_class = (GtkObjectClass*) klass;
- widget_class = (GtkWidgetClass*) klass;
- container_class = (GtkContainerClass*) klass;
-
- parent_class = gtk_type_class (gtk_container_get_type ());
-
- widget_class->map = gtk_myfixed_map;
- widget_class->unmap = gtk_myfixed_unmap;
- widget_class->realize = gtk_myfixed_realize;
- widget_class->size_request = gtk_myfixed_size_request;
- widget_class->size_allocate = gtk_myfixed_size_allocate;
- widget_class->draw = gtk_myfixed_draw;
- widget_class->expose_event = gtk_myfixed_expose;
-
- container_class->add = gtk_myfixed_add;
- container_class->remove = gtk_myfixed_remove;
- container_class->foreach = gtk_myfixed_foreach;
+ return GTK_TYPE_WIDGET;
}
static void
-gtk_myfixed_init (GtkMyFixed *myfixed)
+gtk_pizza_init (GtkPizza *pizza)
{
- GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
- GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
-
- myfixed->children = NULL;
+ GTK_WIDGET_UNSET_FLAGS (pizza, GTK_NO_WINDOW);
+
+ pizza->children = NULL;
+
+ pizza->bin_window = NULL;
+
+ pizza->m_xoffset = 0;
+ pizza->m_yoffset = 0;
}
GtkWidget*
-gtk_myfixed_new ()
+gtk_pizza_new ()
{
- GtkMyFixed *myfixed;
+ GtkPizza *pizza;
+
+ pizza = g_object_new (gtk_pizza_get_type (), NULL);
- myfixed = gtk_type_new (gtk_myfixed_get_type ());
-
- return GTK_WIDGET (myfixed);
+ return GTK_WIDGET (pizza);
}
-void
-gtk_myfixed_put (GtkMyFixed *myfixed,
- GtkWidget *widget,
- gint16 x,
- gint16 y)
+gint gtk_pizza_get_xoffset (GtkPizza *pizza)
+{
+ g_return_val_if_fail ( (pizza != NULL), -1 );
+ g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), -1 );
+
+ return pizza->m_xoffset;
+}
+
+gint gtk_pizza_get_yoffset (GtkPizza *pizza)
{
- GtkMyFixedChild *child_info;
+ g_return_val_if_fail ( (pizza != NULL), -1 );
+ g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), -1 );
- g_return_if_fail (myfixed != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (myfixed));
- g_return_if_fail (widget != NULL);
+ return pizza->m_yoffset;
+}
- child_info = g_new (GtkMyFixedChild, 1);
- child_info->widget = widget;
- child_info->x = x;
- child_info->y = y;
-
- gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
+void gtk_pizza_set_xoffset (GtkPizza *pizza, gint xoffset)
+{
+ g_return_if_fail (pizza != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (pizza));
- myfixed->children = g_list_append (myfixed->children, child_info);
+ pizza->m_xoffset = xoffset;
+ // do something
+}
- if (GTK_WIDGET_REALIZED (myfixed) && !GTK_WIDGET_REALIZED (widget))
- gtk_widget_realize (widget);
+void gtk_pizza_set_yoffset (GtkPizza *pizza, gint yoffset)
+{
+ g_return_if_fail (pizza != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (pizza));
- if (GTK_WIDGET_MAPPED (myfixed) && !GTK_WIDGET_MAPPED (widget))
- gtk_widget_map (widget);
+ pizza->m_xoffset = yoffset;
+ // do something
+}
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
- gtk_widget_queue_resize (GTK_WIDGET (myfixed));
+gint gtk_pizza_get_rtl_offset (GtkPizza *pizza)
+{
+ gint border;
+
+ g_return_val_if_fail ( (pizza != NULL), 0 );
+ g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), 0 );
+
+ if (!pizza->bin_window) return 0;
+
+ border = pizza->container.border_width;
+
+ return GTK_WIDGET(pizza)->allocation.width - border*2;
+}
+
+
+static void
+gtk_pizza_scroll_set_adjustments (GtkPizza *pizza,
+ GtkAdjustment *hadj,
+ GtkAdjustment *vadj)
+{
+ /* We handle scrolling in the wxScrolledWindow, not here. */
}
void
-gtk_myfixed_move (GtkMyFixed *myfixed,
- GtkWidget *widget,
- gint16 x,
- gint16 y)
+gtk_pizza_put (GtkPizza *pizza,
+ GtkWidget *widget,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
{
- GtkMyFixedChild *child;
- GList *children;
+ GtkPizzaChild *child_info;
+
+ g_return_if_fail (pizza != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (pizza));
+ g_return_if_fail (widget != NULL);
+
+ child_info = g_new (GtkPizzaChild, 1);
+
+ child_info->widget = widget;
+ child_info->x = x;
+ child_info->y = y;
- g_return_if_fail (myfixed != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (myfixed));
- g_return_if_fail (widget != NULL);
+ pizza->children = g_list_append (pizza->children, child_info);
+
+ if (GTK_WIDGET_REALIZED (pizza))
+ gtk_widget_set_parent_window (widget, pizza->bin_window);
+
+ gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
+
+ gtk_widget_set_size_request( widget, width, height );
+ if (GTK_WIDGET_REALIZED (pizza))
+ gtk_pizza_allocate_child (pizza, child_info);
+}
- children = myfixed->children;
- while (children)
+void
+gtk_pizza_set_size (GtkPizza *pizza,
+ GtkWidget *widget,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
+{
+ GtkPizzaChild *child;
+ GList *children;
+
+ g_return_if_fail (pizza != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (pizza));
+ g_return_if_fail (widget != NULL);
+
+#ifndef WX_WARN_ILLEGAL_SETSIZE
+ /* this really shouldn't happen -- but it does, a lot, right now and we
+ can't pass negative values to gtk_widget_set_size_request() without getting
+ a warning printed out, so filter them out here */
+ if ( width < 0 )
+ width = 0;
+ if ( height < 0 )
+ height = 0;
+#endif
+
+ children = pizza->children;
+ while (children)
{
- child = children->data;
- children = children->next;
+ child = children->data;
+ children = children->next;
- if (child->widget == widget)
+ if (child->widget == widget)
{
- child->x = x;
- child->y = y;
+ child->x = x;
+ child->y = y;
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
- gtk_widget_queue_resize (GTK_WIDGET (myfixed));
+ gtk_widget_set_size_request (widget, width, height);
- break;
+ return;
}
}
}
static void
-gtk_myfixed_map (GtkWidget *widget)
+gtk_pizza_map (GtkWidget *widget)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GList *children;
+ GtkPizza *pizza;
+ GtkPizzaChild *child;
+ GList *children;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (widget));
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (widget));
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
- myfixed = GTK_MYFIXED (widget);
+ GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
+ pizza = GTK_PIZZA (widget);
- gdk_window_show (widget->window);
-
- children = myfixed->children;
- while (children)
+ children = pizza->children;
+ while (children)
{
- child = children->data;
- children = children->next;
+ child = children->data;
+ children = children->next;
- if (GTK_WIDGET_VISIBLE (child->widget) &&
- !GTK_WIDGET_MAPPED (child->widget))
- gtk_widget_map (child->widget);
+ if ( GTK_WIDGET_VISIBLE (child->widget) &&
+ !GTK_WIDGET_MAPPED (child->widget) )
+ {
+ gtk_widget_map (child->widget);
+ }
}
+
+ gdk_window_show (widget->window);
+ gdk_window_show (pizza->bin_window);
}
static void
-gtk_myfixed_unmap (GtkWidget *widget)
+gtk_pizza_realize (GtkWidget *widget)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (widget));
+ GtkPizza *pizza;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+ GtkPizzaChild *child;
+ GList *children;
+ int border;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (widget));
+
+ pizza = GTK_PIZZA (widget);
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+
+ attributes.x = widget->allocation.x;
+ attributes.y = widget->allocation.y;
+ attributes.width = widget->allocation.width;
+ attributes.height = widget->allocation.height;
+
+ border = pizza->container.border_width;
+ attributes.x += border;
+ attributes.y += border;
+ attributes.width -= 2 * border;
+ attributes.height -= 2 * border;
+
+ /* minimal size */
+ if (attributes.width < 2) attributes.width = 2;
+ if (attributes.height < 2) attributes.height = 2;
+
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+
+ widget->window = gdk_window_new(gtk_widget_get_parent_window (widget),
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (widget->window, widget);
+
+ attributes.x = 0;
+ attributes.y = 0;
+
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.event_mask |= GDK_EXPOSURE_MASK |
+ GDK_SCROLL_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_BUTTON_MOTION_MASK |
+ GDK_BUTTON1_MOTION_MASK |
+ GDK_BUTTON2_MOTION_MASK |
+ GDK_BUTTON3_MOTION_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_FOCUS_CHANGE_MASK;
+
+ pizza->bin_window = gdk_window_new(widget->window,
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (pizza->bin_window, widget);
+
+ widget->style = gtk_style_attach (widget->style, widget->window);
+ gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+ gtk_style_set_background (widget->style, pizza->bin_window, GTK_STATE_NORMAL );
+
+/*
+ gdk_window_set_back_pixmap( widget->window, NULL, FALSE );
+ gdk_window_set_back_pixmap( pizza->bin_window, NULL, FALSE );
+*/
+
+ /* cannot be done before realisation */
+ children = pizza->children;
+ while (children)
+ {
+ child = children->data;
+ children = children->next;
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
+ gtk_widget_set_parent_window (child->widget, pizza->bin_window);
+ }
}
static void
-gtk_myfixed_realize (GtkWidget *widget)
+gtk_pizza_unrealize (GtkWidget *widget)
{
- GtkMyFixed *myfixed;
- GdkWindowAttr attributes;
- gint attributes_mask;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (widget));
-
- myfixed = GTK_MYFIXED (widget);
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
-
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = widget->allocation.x;
- attributes.y = widget->allocation.y;
- attributes.width = 32000;
- attributes.height = 32000;
- attributes.wclass = GDK_INPUT_OUTPUT;
- attributes.visual = gtk_widget_get_visual (widget);
- attributes.colormap = gtk_widget_get_colormap (widget);
- attributes.event_mask = gtk_widget_get_events (widget);
- attributes.event_mask |=
- GDK_EXPOSURE_MASK |
- GDK_POINTER_MOTION_MASK |
- GDK_BUTTON_MOTION_MASK |
- GDK_BUTTON1_MOTION_MASK |
- GDK_BUTTON2_MOTION_MASK |
- GDK_BUTTON3_MOTION_MASK |
- GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_KEY_PRESS_MASK |
- GDK_KEY_RELEASE_MASK |
- GDK_ENTER_NOTIFY_MASK |
- GDK_LEAVE_NOTIFY_MASK |
- GDK_FOCUS_CHANGE_MASK;
-
- attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
-
- widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes,
- attributes_mask);
- gdk_window_set_user_data (widget->window, widget);
-
- widget->style = gtk_style_attach (widget->style, widget->window);
- gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+ GtkPizza *pizza;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (widget));
+
+ pizza = GTK_PIZZA (widget);
+
+ gdk_window_set_user_data (pizza->bin_window, NULL);
+ gdk_window_destroy (pizza->bin_window);
+ pizza->bin_window = NULL;
+
+ if (pizza_parent_class->unrealize)
+ pizza_parent_class->unrealize(widget);
}
static void
-gtk_myfixed_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
+gtk_pizza_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (widget));
- g_return_if_fail (requisition != NULL);
-
- myfixed = GTK_MYFIXED (widget);
-
- requisition->width = 0;
- requisition->height = 0;
-
- children = myfixed->children;
- while (children)
+ GtkPizza *pizza;
+ GtkPizzaChild *child;
+ GList *children;
+ GtkRequisition child_requisition;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (widget));
+ g_return_if_fail (requisition != NULL);
+
+ pizza = GTK_PIZZA (widget);
+
+ children = pizza->children;
+ while (children)
{
- child = children->data;
- children = children->next;
+ child = children->data;
+ children = children->next;
- if (GTK_WIDGET_VISIBLE (child->widget))
- {
- gtk_widget_size_request (child->widget, &child->widget->requisition);
- }
+ if (GTK_WIDGET_VISIBLE (child->widget))
+ {
+ gtk_widget_size_request (child->widget, &child_requisition);
+ }
}
+
+ /* request very little, I'm not sure if requesting nothing
+ will always have positive effects on stability... */
+ requisition->width = 2;
+ requisition->height = 2;
}
static void
-gtk_myfixed_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
+gtk_pizza_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GtkAllocation child_allocation;
- GList *children;
- guint16 border_width;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED(widget));
- g_return_if_fail (allocation != NULL);
-
- myfixed = GTK_MYFIXED (widget);
-
- widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
- gdk_window_move_resize (widget->window, allocation->x, allocation->y, 32000, 32000 );
-
- border_width = GTK_CONTAINER (myfixed)->border_width;
-
- children = myfixed->children;
- while (children)
+ GtkPizza *pizza;
+ gint border;
+ gint x,y,w,h;
+ GtkPizzaChild *child;
+ GList *children;
+ gboolean only_resize;
+
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_PIZZA(widget));
+ g_return_if_fail (allocation != NULL);
+
+ pizza = GTK_PIZZA (widget);
+
+ only_resize = ((widget->allocation.x == allocation->x) &&
+ (widget->allocation.y == allocation->y));
+ widget->allocation = *allocation;
+
+ border = pizza->container.border_width;
+
+ x = allocation->x + border;
+ y = allocation->y + border;
+ w = allocation->width - border*2;
+ h = allocation->height - border*2;
+ if (w < 0)
+ w = 0;
+ if (h < 0)
+ h = 0;
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ if (only_resize)
+ gdk_window_resize( widget->window, w, h );
+ else
+ gdk_window_move_resize( widget->window, x, y, w, h );
+
+ gdk_window_resize( pizza->bin_window, w, h );
+ }
+
+ children = pizza->children;
+ while (children)
{
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_VISIBLE (child->widget))
- {
- child_allocation.x = child->x + border_width;
- child_allocation.y = child->y + border_width;
- child_allocation.width = child->widget->requisition.width;
- child_allocation.height = child->widget->requisition.height;
- gtk_widget_size_allocate (child->widget, &child_allocation);
- }
+ child = children->data;
+ children = children->next;
+
+ gtk_pizza_allocate_child (pizza, child);
}
}
static void
-gtk_myfixed_paint (GtkWidget *widget,
- GdkRectangle *area)
+gtk_pizza_style_set(GtkWidget *widget, GtkStyle *previous_style)
{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (widget));
- g_return_if_fail (area != NULL);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- gdk_window_clear_area (widget->window,
- area->x, area->y,
- area->width, area->height);
+ if (GTK_WIDGET_REALIZED(widget))
+ {
+ gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
+ gtk_style_set_background(widget->style, GTK_PIZZA(widget)->bin_window, GTK_STATE_NORMAL );
+ }
+
+ pizza_parent_class->style_set(widget, previous_style);
}
static void
-gtk_myfixed_draw (GtkWidget *widget,
- GdkRectangle *area)
+gtk_pizza_add (GtkContainer *container,
+ GtkWidget *widget)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GdkRectangle child_area;
- GList *children;
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (container));
+ g_return_if_fail (widget != NULL);
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (widget));
-
- if (GTK_WIDGET_DRAWABLE (widget))
- {
- myfixed = GTK_MYFIXED (widget);
- gtk_myfixed_paint (widget, area);
-
- children = myfixed->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (gtk_widget_intersect (child->widget, area, &child_area))
- gtk_widget_draw (child->widget, &child_area);
- }
- }
+ gtk_pizza_put (GTK_PIZZA (container), widget, 0, 0, 20, 20 );
}
-static gint
-gtk_myfixed_expose (GtkWidget *widget,
- GdkEventExpose *event)
+static void
+gtk_pizza_remove (GtkContainer *container,
+ GtkWidget *widget)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GdkEventExpose child_event;
- GList *children;
+ GtkPizza *pizza;
+ GtkPizzaChild *child;
+ GList *children;
+
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (container));
+ g_return_if_fail (widget != NULL);
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ pizza = GTK_PIZZA (container);
- if (GTK_WIDGET_DRAWABLE (widget))
+ children = pizza->children;
+ while (children)
{
- myfixed = GTK_MYFIXED (widget);
+ child = children->data;
- child_event = *event;
+ if (child->widget == widget)
+ {
+ gtk_widget_unparent (widget);
- children = myfixed->children;
- while (children)
- {
- child = children->data;
- children = children->next;
+ /* security checks */
+ g_return_if_fail (GTK_IS_WIDGET (widget));
- if (GTK_WIDGET_NO_WINDOW (child->widget) &&
- gtk_widget_intersect (child->widget, &event->area,
- &child_event.area))
- gtk_widget_event (child->widget, (GdkEvent*) &child_event);
- }
- }
+ pizza->children = g_list_remove_link (pizza->children, children);
+ g_list_free (children);
+ g_free (child);
- return FALSE;
-}
+ /* security checks */
+ g_return_if_fail (GTK_IS_WIDGET (widget));
-static void
-gtk_myfixed_add (GtkContainer *container,
- GtkWidget *widget)
-{
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (container));
- g_return_if_fail (widget != NULL);
+ break;
+ }
- gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0);
+ children = children->next;
+ }
}
static void
-gtk_myfixed_remove (GtkContainer *container,
- GtkWidget *widget)
+gtk_pizza_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GList *children;
+ GtkPizza *pizza;
+ GtkPizzaChild *child;
+ GList *children;
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (container));
- g_return_if_fail (widget != NULL);
+ g_return_if_fail (container != NULL);
+ g_return_if_fail (GTK_IS_PIZZA (container));
+ g_return_if_fail (callback != (GtkCallback)NULL);
- myfixed = GTK_MYFIXED (container);
+ pizza = GTK_PIZZA (container);
- children = myfixed->children;
- while (children)
+ children = pizza->children;
+ while (children)
{
- child = children->data;
-
- if (child->widget == widget)
- {
- gtk_widget_unparent (widget);
+ child = children->data;
+ children = children->next;
- myfixed->children = g_list_remove_link (myfixed->children, children);
- g_list_free (children);
- g_free (child);
+ (* callback) (child->widget, callback_data);
+ }
+}
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
- gtk_widget_queue_resize (GTK_WIDGET (container));
+static void
+gtk_pizza_allocate_child (GtkPizza *pizza,
+ GtkPizzaChild *child)
+{
+ GtkAllocation allocation;
+ GtkRequisition requisition;
- break;
- }
+ allocation.x = child->x - pizza->m_xoffset;
+ allocation.y = child->y - pizza->m_yoffset;
+ gtk_widget_get_child_requisition (child->widget, &requisition);
+ allocation.width = requisition.width;
+ allocation.height = requisition.height;
- children = children->next;
+ if (gtk_widget_get_direction( GTK_WIDGET(pizza) ) == GTK_TEXT_DIR_RTL)
+ {
+ /* reverse horizontal placement */
+ gint offset,border;
+
+ offset = GTK_WIDGET(pizza)->allocation.width;
+ border = pizza->container.border_width;
+ offset -= border*2;
+
+ allocation.x = offset - child->x - allocation.width + pizza->m_xoffset;
}
+
+ gtk_widget_size_allocate (child->widget, &allocation);
}
static void
-gtk_myfixed_foreach (GtkContainer *container,
- GtkCallback callback,
- gpointer callback_data)
+gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
+ gpointer cb_data)
{
- GtkMyFixed *myfixed;
- GtkMyFixedChild *child;
- GList *children;
+ GtkPizzaAdjData *data = cb_data;
+
+ widget->allocation.x += data->dx;
+ widget->allocation.y += data->dy;
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_MYFIXED (container));
- g_return_if_fail (callback != NULL);
+ if (GTK_WIDGET_NO_WINDOW (widget) && GTK_IS_CONTAINER (widget))
+ {
+ gtk_container_forall (GTK_CONTAINER (widget),
+ gtk_pizza_adjust_allocations_recurse,
+ cb_data);
+ }
+}
+
+static void
+gtk_pizza_adjust_allocations (GtkPizza *pizza,
+ gint dx,
+ gint dy)
+{
+ GList *tmp_list;
+ GtkPizzaAdjData data;
- myfixed = GTK_MYFIXED (container);
+ data.dx = dx;
+ data.dy = dy;
- children = myfixed->children;
- while (children)
+ tmp_list = pizza->children;
+ while (tmp_list)
{
- child = children->data;
- children = children->next;
+ GtkPizzaChild *child = tmp_list->data;
+ tmp_list = tmp_list->next;
- (* callback) (child->widget, callback_data);
+ child->widget->allocation.x += dx;
+ child->widget->allocation.y += dy;
+
+ if (GTK_WIDGET_NO_WINDOW (child->widget) &&
+ GTK_IS_CONTAINER (child->widget))
+ {
+ gtk_container_forall (GTK_CONTAINER (child->widget),
+ gtk_pizza_adjust_allocations_recurse,
+ &data);
+ }
}
}
+void
+gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
+{
+ pizza->m_xoffset += dx;
+ pizza->m_yoffset += dy;
+
+ gtk_pizza_adjust_allocations (pizza, -dx, -dy);
+
+ if (pizza->bin_window)
+ gdk_window_scroll( pizza->bin_window, -dx, -dy );
+}
#ifdef __cplusplus
}
#endif /* __cplusplus */
-
projects / wxWidgets.git / blobdiff