+++ /dev/null
-/* ///////////////////////////////////////////////////////////////////////////
-// 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
-// Id: $Id$
-// Copyright: (c) 1998 Robert Roebling
-// Licence: wxWidgets licence
-/////////////////////////////////////////////////////////////////////////// */
-
-#ifdef VMS
-#define XCheckIfEvent XCHECKIFEVENT
-#endif
-
-#include "wx/platform.h"
-#include "wx/gtk/private/win_gtk.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-typedef struct _GtkPizzaChild GtkPizzaChild;
-typedef struct _GtkPizzaClass GtkPizzaClass;
-
-struct _GtkPizzaClass
-{
- GtkContainerClass parent_class;
-
- void (*set_scroll_adjustments) (GtkPizza *pizza,
- GtkAdjustment *hadjustment,
- GtkAdjustment *vadjustment);
-};
-
-struct _GtkPizzaChild
-{
- GtkWidget *widget;
- gint x;
- gint y;
-};
-
-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 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)
- {
- 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)
-{
- 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;
-
- 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
- {
- data1 = g_value_peek_pointer (param_values + 0);
- data2 = closure->data;
- }
- callback = (GMarshalFunc_VOID__OBJECT_OBJECT) (marshal_data ? marshal_data : cc->callback);
-
- callback (data1,
- g_marshal_value_peek_object (param_values + 1),
- g_marshal_value_peek_object (param_values + 2),
- data2);
-}
-
-static void
-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)
-{
- return GTK_TYPE_WIDGET;
-}
-
-static void
-gtk_pizza_init (GtkPizza *pizza)
-{
- GTK_WIDGET_SET_FLAGS (pizza, GTK_CAN_FOCUS);
- 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_pizza_new ()
-{
- GtkPizza *pizza;
-
- pizza = g_object_new (gtk_pizza_get_type (), NULL);
-
- pizza->m_noscroll = FALSE;
-
- return GTK_WIDGET (pizza);
-}
-
-GtkWidget*
-gtk_pizza_new_no_scroll ()
-{
- GtkPizza *pizza;
-
- pizza = g_object_new (gtk_pizza_get_type (), NULL);
-
- pizza->m_noscroll = TRUE;
-
- return GTK_WIDGET (pizza);
-}
-
-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)
-{
- g_return_val_if_fail ( (pizza != NULL), -1 );
- g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), -1 );
-
- return pizza->m_yoffset;
-}
-
-void gtk_pizza_set_xoffset (GtkPizza *pizza, gint xoffset)
-{
- g_return_if_fail (pizza != NULL);
- g_return_if_fail (GTK_IS_PIZZA (pizza));
-
- pizza->m_xoffset = xoffset;
- /* do something */
-}
-
-void gtk_pizza_set_yoffset (GtkPizza *pizza, gint yoffset)
-{
- g_return_if_fail (pizza != NULL);
- g_return_if_fail (GTK_IS_PIZZA (pizza));
-
- pizza->m_xoffset = yoffset;
- /* do something */
-}
-
-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_pizza_put (GtkPizza *pizza,
- GtkWidget *widget,
- gint x,
- gint y,
- gint width,
- gint height)
-{
- 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;
-
- 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 );
-}
-
-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;
-
- if (child->widget == widget)
- {
- if (child->x != x || child->y != y)
- {
- child->x = x;
- child->y = y;
- gtk_widget_queue_resize(widget);
- }
-
- gtk_widget_set_size_request (widget, width, height);
-
- return;
- }
- }
-}
-
-static void
-gtk_pizza_map (GtkWidget *widget)
-{
- GtkPizza *pizza;
- GtkPizzaChild *child;
- GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_PIZZA (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
- pizza = GTK_PIZZA (widget);
-
- children = pizza->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- 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_pizza_realize (GtkWidget *widget)
-{
- GtkPizza *pizza;
- GdkWindowAttr attributes;
- gint attributes_mask;
- GtkPizzaChild *child;
- GList *children;
- int border;
- int w, h;
-
- 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;
-
- /* minimal size */
- if (attributes.width < 2) attributes.width = 2;
- if (attributes.height < 2) attributes.height = 2;
-
- border = pizza->container.border_width;
- w = attributes.width - 2 * border;
- h = attributes.height - 2 * border;
- if (w < 2) w = 2;
- if (h < 2) h = 2;
-
- if (!pizza->m_noscroll)
- {
- attributes.x += border;
- attributes.y += border;
- attributes.width = w;
- attributes.height = h;
- }
-
- 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;
- if (pizza->m_noscroll)
- {
- attributes.x = border;
- attributes.y = border;
- attributes.width = w;
- attributes.height = h;
- }
-
- 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_set_parent_window (child->widget, pizza->bin_window);
- }
-}
-
-static void
-gtk_pizza_unrealize (GtkWidget *widget)
-{
- 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_pizza_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
-{
- 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;
-
- 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_pizza_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
-{
- 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;
-
- if (GTK_WIDGET_REALIZED(widget))
- {
- 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 (pizza->m_noscroll)
- {
- if (only_resize)
- gdk_window_resize( widget->window, allocation->width, allocation->height );
- else
- gdk_window_move_resize( widget->window, allocation->x, allocation->y,
- allocation->width, allocation->height );
-
- gdk_window_move_resize( pizza->bin_window, border, border, w, h );
- }
- else
- {
- 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;
-
- gtk_pizza_allocate_child (pizza, child);
- }
-}
-
-static void
-gtk_pizza_style_set(GtkWidget *widget, GtkStyle *previous_style)
-{
- 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_pizza_add (GtkContainer *container,
- GtkWidget *widget)
-{
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_PIZZA (container));
- g_return_if_fail (widget != NULL);
-
- gtk_pizza_put (GTK_PIZZA (container), widget, 0, 0, 20, 20 );
-}
-
-static void
-gtk_pizza_remove (GtkContainer *container,
- GtkWidget *widget)
-{
- 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);
-
- pizza = GTK_PIZZA (container);
-
- children = pizza->children;
- while (children)
- {
- child = children->data;
-
- if (child->widget == widget)
- {
- gtk_widget_unparent (widget);
-
- /* security checks */
- g_return_if_fail (GTK_IS_WIDGET (widget));
-
- pizza->children = g_list_remove_link (pizza->children, children);
- g_list_free (children);
- g_free (child);
-
- /* security checks */
- g_return_if_fail (GTK_IS_WIDGET (widget));
-
- break;
- }
-
- children = children->next;
- }
-}
-
-static void
-gtk_pizza_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data)
-{
- GtkPizza *pizza;
- GtkPizzaChild *child;
- GList *children;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_PIZZA (container));
- g_return_if_fail (callback != (GtkCallback)NULL);
-
- pizza = GTK_PIZZA (container);
-
- children = pizza->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- (* callback) (child->widget, callback_data);
- }
-}
-
-static void
-gtk_pizza_allocate_child (GtkPizza *pizza,
- GtkPizzaChild *child)
-{
- GtkAllocation allocation;
- GtkRequisition requisition;
-
- 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;
-
- 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);
-}
-
-void
-gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
-{
- GList *tmp_list;
-
- pizza->m_xoffset += dx;
- pizza->m_yoffset += dy;
-
- if (pizza->bin_window)
- gdk_window_scroll( pizza->bin_window, -dx, -dy );
-
- for (tmp_list = pizza->children; tmp_list; tmp_list = tmp_list->next)
- {
- GtkPizzaChild *child = tmp_list->data;
- gtk_widget_queue_resize(child->widget);
- }
-}
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
projects / wxWidgets.git / commitdiff
