X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ed673c6a48b3479beac60a93ff8f44611e44415f..9f400412e4cf9572ac5e07066e098a61fe5dbdc8:/src/gtk/win_gtk.c?ds=sidebyside diff --git a/src/gtk/win_gtk.c b/src/gtk/win_gtk.c index 10f8d2ca28..6eb8b4e1e2 100644 --- a/src/gtk/win_gtk.c +++ b/src/gtk/win_gtk.c @@ -1,133 +1,145 @@ /* /////////////////////////////////////////////////////////////////////////// -// Name: win_gtk.c -// Purpose: Native GTK+ widget for wxWindows, based on GtkLayout and +// 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: wxWindows licence +// Licence: wxWidgets licence /////////////////////////////////////////////////////////////////////////// */ +#ifdef VMS +#define XCheckIfEvent XCHECKIFEVENT +#endif + +#include "wx/platform.h" #include "wx/gtk/win_gtk.h" -#include "gtk/gtksignal.h" -#include "gtk/gtkprivate.h" -#include "gdk/gdkx.h" #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ -#define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \ - (y >= G_MINSHORT) && (y <= G_MAXSHORT)) - -typedef struct _GtkMyFixedAdjData GtkMyFixedAdjData; -typedef struct _GtkMyFixedChild GtkMyFixedChild; +typedef struct _GtkPizzaChild GtkPizzaChild; +typedef struct _GtkPizzaClass GtkPizzaClass; -struct _GtkMyFixedAdjData +struct _GtkPizzaClass { - gint dx; - gint dy; + GtkContainerClass parent_class; + + void (*set_scroll_adjustments) (GtkPizza *pizza, + GtkAdjustment *hadjustment, + GtkAdjustment *vadjustment); }; -struct _GtkMyFixedChild +struct _GtkPizzaChild { GtkWidget *widget; gint x; gint y; - gint width; - gint height; }; -static void gtk_myfixed_class_init (GtkMyFixedClass *klass); -static void gtk_myfixed_init (GtkMyFixed *myfixed); - -static void gtk_myfixed_realize (GtkWidget *widget); -static void gtk_myfixed_unrealize (GtkWidget *widget); - -static void gtk_myfixed_map (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_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_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data); - -static void gtk_myfixed_position_child (GtkMyFixed *myfixed, - GtkMyFixedChild *child); -static void gtk_myfixed_allocate_child (GtkMyFixed *myfixed, - GtkMyFixedChild *child); -static void gtk_myfixed_position_children (GtkMyFixed *myfixed); - -static void gtk_myfixed_adjust_allocations_recurse (GtkWidget *widget, - gpointer cb_data); -static void gtk_myfixed_adjust_allocations (GtkMyFixed *myfixed, - gint dx, - gint dy); - - -static void gtk_myfixed_expose_area (GtkMyFixed *myfixed, - gint x, - gint y, - gint width, - gint height); -static void gtk_myfixed_adjustment_changed (GtkAdjustment *adjustment, - GtkMyFixed *myfixed); -static GdkFilterReturn gtk_myfixed_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data); -static GdkFilterReturn gtk_myfixed_main_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data); - - -static GtkType gtk_myfixed_child_type (GtkContainer *container); - -static void gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed, - GtkAdjustment *hadj, - GtkAdjustment *vadj); - - -static GtkContainerClass *parent_class = NULL; -static gboolean gravity_works; - -guint -gtk_myfixed_get_type () +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 guint myfixed_type = 0; + static GtkType pizza_type = 0; - if (!myfixed_type) + if (!pizza_type) { - GtkTypeInfo myfixed_info = + const GTypeInfo pizza_info = { - "GtkMyFixed", - sizeof (GtkMyFixed), - sizeof (GtkMyFixedClass), - (GtkClassInitFunc) gtk_myfixed_class_init, - (GtkObjectInitFunc) gtk_myfixed_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, + 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 }; - myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info); + pizza_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkPizza", &pizza_info, (GTypeFlags)0); } - - return myfixed_type; + + 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_myfixed_class_init (GtkMyFixedClass *klass) +gtk_pizza_class_init (GtkPizzaClass *klass) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; @@ -136,229 +148,195 @@ gtk_myfixed_class_init (GtkMyFixedClass *klass) object_class = (GtkObjectClass*) klass; widget_class = (GtkWidgetClass*) klass; container_class = (GtkContainerClass*) klass; - parent_class = gtk_type_class (GTK_TYPE_CONTAINER); + pizza_parent_class = gtk_type_class (GTK_TYPE_CONTAINER); - widget_class->map = gtk_myfixed_map; - widget_class->realize = gtk_myfixed_realize; - widget_class->unrealize = gtk_myfixed_unrealize; - 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; + 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_myfixed_add; - container_class->remove = gtk_myfixed_remove; - container_class->forall = gtk_myfixed_forall; + container_class->add = gtk_pizza_add; + container_class->remove = gtk_pizza_remove; + container_class->forall = gtk_pizza_forall; - container_class->child_type = gtk_myfixed_child_type; + container_class->child_type = gtk_pizza_child_type; - klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments; + klass->set_scroll_adjustments = gtk_pizza_scroll_set_adjustments; widget_class->set_scroll_adjustments_signal = - gtk_signal_new ("set_scroll_adjustments", - GTK_RUN_LAST, - object_class->type, - GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments), - gtk_marshal_NONE__POINTER_POINTER, - GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); + 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_myfixed_child_type (GtkContainer *container) +gtk_pizza_child_type (GtkContainer *container) { return GTK_TYPE_WIDGET; } static void -gtk_myfixed_init (GtkMyFixed *myfixed) +gtk_pizza_init (GtkPizza *pizza) { - GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW); - - myfixed->shadow_type = GTK_MYSHADOW_NONE; + GTK_WIDGET_SET_FLAGS (pizza, GTK_CAN_FOCUS); + GTK_WIDGET_UNSET_FLAGS (pizza, GTK_NO_WINDOW); - myfixed->children = NULL; - - myfixed->width = 20; - myfixed->height = 20; + pizza->children = NULL; - myfixed->bin_window = NULL; + pizza->bin_window = NULL; - myfixed->configure_serial = 0; - myfixed->scroll_x = 0; - myfixed->scroll_y = 0; - myfixed->visibility = GDK_VISIBILITY_PARTIAL; + pizza->m_xoffset = 0; + pizza->m_yoffset = 0; } GtkWidget* -gtk_myfixed_new () +gtk_pizza_new () { - GtkMyFixed *myfixed; + GtkPizza *pizza; - myfixed = gtk_type_new (gtk_myfixed_get_type ()); - - return GTK_WIDGET (myfixed); -} + pizza = g_object_new (gtk_pizza_get_type (), NULL); + + pizza->m_noscroll = FALSE; -void -gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed, - GtkAdjustment *hadj, - GtkAdjustment *vadj) -{ - /* We handle scrolling in the wxScrolledWindow, not here. */ + return GTK_WIDGET (pizza); } -void -gtk_myfixed_set_shadow_type (GtkMyFixed *myfixed, - GtkMyShadowType type) +GtkWidget* +gtk_pizza_new_no_scroll () { - g_return_if_fail (myfixed != NULL); - g_return_if_fail (GTK_IS_MYFIXED (myfixed)); + GtkPizza *pizza; - if ((GtkMyShadowType) myfixed->shadow_type != type) - { - myfixed->shadow_type = type; + pizza = g_object_new (gtk_pizza_get_type (), NULL); - if (GTK_WIDGET_VISIBLE (myfixed)) - { - gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation)); - gtk_widget_queue_draw (GTK_WIDGET (myfixed)); - } - } + pizza->m_noscroll = TRUE; + + return GTK_WIDGET (pizza); } -void -gtk_myfixed_put (GtkMyFixed *myfixed, - GtkWidget *widget, - gint x, - gint y, - gint width, - gint height) +gint gtk_pizza_get_xoffset (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_xoffset; +} - child_info = g_new (GtkMyFixedChild, 1); - - child_info->widget = widget; - child_info->x = x; - child_info->y = y; - child_info->width = width; - child_info->height = height; - - myfixed->children = g_list_append (myfixed->children, child_info); +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 ); - gtk_widget_set_parent (widget, GTK_WIDGET (myfixed)); + return pizza->m_yoffset; +} - if (GTK_WIDGET_REALIZED (myfixed)) - gtk_widget_set_parent_window (widget, myfixed->bin_window); - - if (!IS_ONSCREEN (x, y)) - GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN); +void gtk_pizza_set_xoffset (GtkPizza *pizza, gint xoffset) +{ + g_return_if_fail (pizza != NULL); + g_return_if_fail (GTK_IS_PIZZA (pizza)); - if (GTK_WIDGET_REALIZED (myfixed)) - gtk_widget_realize (widget); + pizza->m_xoffset = xoffset; + /* do something */ +} - gtk_widget_set_usize (widget, width, height); - - if (GTK_WIDGET_VISIBLE (myfixed) && GTK_WIDGET_VISIBLE (widget)) - { - if (GTK_WIDGET_MAPPED (myfixed)) - gtk_widget_map (widget); - - gtk_widget_queue_resize (widget); - } +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 */ } -void -gtk_myfixed_move (GtkMyFixed *myfixed, - GtkWidget *widget, - gint x, - gint y) +gint gtk_pizza_get_rtl_offset (GtkPizza *pizza) { - GtkMyFixedChild *child; - GList *children; + gint border; - g_return_if_fail (myfixed != NULL); - g_return_if_fail (GTK_IS_MYFIXED (myfixed)); - g_return_if_fail (widget != NULL); + g_return_val_if_fail ( (pizza != NULL), 0 ); + g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), 0 ); - children = myfixed->children; - while (children) - { - child = children->data; - children = children->next; - - if (child->widget == widget) - { - if ((child->x == x) && (child->y == y)) - break; - - child->x = x; - child->y = y; - - if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed)) - gtk_widget_queue_resize (widget); - break; - } - } + 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_resize (GtkMyFixed *myfixed, - GtkWidget *widget, - gint width, - gint height) +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 (myfixed != NULL); - g_return_if_fail (GTK_IS_MYFIXED (myfixed)); + g_return_if_fail (pizza != NULL); + g_return_if_fail (GTK_IS_PIZZA (pizza)); g_return_if_fail (widget != NULL); - children = myfixed->children; - while (children) - { - child = children->data; - children = children->next; - - if (child->widget == widget) - { - if ((child->width == width) && (child->height == height)) - break; - - child->width = width; - child->height = height; - - gtk_widget_set_usize (widget, width, height); - - if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed)) - gtk_widget_queue_resize (widget); - break; - } - } + 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_myfixed_set_size (GtkMyFixed *myfixed, - GtkWidget *widget, - gint x, - gint y, - gint width, - gint height) -{ - GtkMyFixedChild *child; +gtk_pizza_set_size (GtkPizza *pizza, + GtkWidget *widget, + gint x, + gint y, + gint width, + gint height) +{ + GtkPizzaChild *child; GList *children; - GtkAllocation child_allocation; - g_return_if_fail (myfixed != NULL); - g_return_if_fail (GTK_IS_MYFIXED (myfixed)); + g_return_if_fail (pizza != NULL); + g_return_if_fail (GTK_IS_PIZZA (pizza)); g_return_if_fail (widget != NULL); - children = myfixed->children; +#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; @@ -366,207 +344,198 @@ gtk_myfixed_set_size (GtkMyFixed *myfixed, if (child->widget == widget) { - if ((child->x == x) && - (child->y == y) && - (child->width == width) && - (child->height == height)) return; - - child->x = x; - child->y = y; - child->width = width; - child->height = height; - - gtk_widget_set_usize (widget, width, height); - - if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed)) - gtk_widget_queue_resize (widget); - - break; + 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_myfixed_map (GtkWidget *widget) +gtk_pizza_map (GtkWidget *widget) { - GtkMyFixed *myfixed; - GtkMyFixedChild *child; + GtkPizza *pizza; + GtkPizzaChild *child; GList *children; g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_MYFIXED (widget)); + g_return_if_fail (GTK_IS_PIZZA (widget)); GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); - myfixed = GTK_MYFIXED (widget); + pizza = GTK_PIZZA (widget); - children = myfixed->children; + children = pizza->children; while (children) { child = children->data; children = children->next; - if ( GTK_WIDGET_VISIBLE (child->widget) && - !GTK_WIDGET_MAPPED (child->widget) && - !GTK_WIDGET_IS_OFFSCREEN (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 (myfixed->bin_window); + gdk_window_show (pizza->bin_window); } static void -gtk_myfixed_realize (GtkWidget *widget) +gtk_pizza_realize (GtkWidget *widget) { - GtkMyFixed *myfixed; + GtkPizza *pizza; GdkWindowAttr attributes; gint attributes_mask; - GtkMyFixedChild *child; + GtkPizzaChild *child; GList *children; + int border; + int w, h; g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_MYFIXED (widget)); + g_return_if_fail (GTK_IS_PIZZA (widget)); - myfixed = GTK_MYFIXED (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; - if (myfixed->shadow_type == GTK_MYSHADOW_NONE) - { - /* no border, no changes to sizes */ - } else - if (myfixed->shadow_type == GTK_MYSHADOW_THIN) - { - /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */ - attributes.x += 1; - attributes.y += 1; - attributes.width -= 2; - attributes.height -= 2; - } else - { - /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */ - /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */ - attributes.x += 2; - attributes.y += 2; - attributes.width -= 4; - attributes.height -= 4; - } - /* 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.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); + + 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_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; - - myfixed->bin_window = gdk_window_new (widget->window, - &attributes, attributes_mask); - gdk_window_set_user_data (myfixed->bin_window, 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, myfixed->bin_window, GTK_STATE_NORMAL); - - /* add filters for intercepting visibility and expose events */ - gdk_window_add_filter (widget->window, gtk_myfixed_main_filter, myfixed); - gdk_window_add_filter (myfixed->bin_window, gtk_myfixed_filter, myfixed); + gtk_style_set_background (widget->style, pizza->bin_window, GTK_STATE_NORMAL ); - /* we NEED gravity or we'll give up */ - gravity_works = gdk_window_set_static_gravities (myfixed->bin_window, TRUE); +/* + 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 = myfixed->children; + children = pizza->children; while (children) { child = children->data; children = children->next; - gtk_widget_set_parent_window (child->widget, myfixed->bin_window); + gtk_widget_set_parent_window (child->widget, pizza->bin_window); } } -static void -gtk_myfixed_unrealize (GtkWidget *widget) +static void +gtk_pizza_unrealize (GtkWidget *widget) { - GtkMyFixed *myfixed; + GtkPizza *pizza; - 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)); - myfixed = GTK_MYFIXED (widget); + pizza = GTK_PIZZA (widget); - gdk_window_set_user_data (myfixed->bin_window, NULL); - gdk_window_destroy (myfixed->bin_window); - myfixed->bin_window = NULL; + gdk_window_set_user_data (pizza->bin_window, NULL); + gdk_window_destroy (pizza->bin_window); + pizza->bin_window = NULL; - if (GTK_WIDGET_CLASS (parent_class)->unrealize) - (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); + 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; + GtkPizza *pizza; + GtkPizzaChild *child; GList *children; GtkRequisition child_requisition; - + g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_MYFIXED (widget)); + g_return_if_fail (GTK_IS_PIZZA (widget)); g_return_if_fail (requisition != NULL); - myfixed = GTK_MYFIXED (widget); - - children = myfixed->children; + 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; @@ -574,688 +543,205 @@ gtk_myfixed_size_request (GtkWidget *widget, } static void -gtk_myfixed_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) +gtk_pizza_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) { - GtkMyFixed *myfixed; + GtkPizza *pizza; gint border; gint x,y,w,h; - GtkMyFixedChild *child; - GtkAllocation child_allocation; + GtkPizzaChild *child; GList *children; + gboolean only_resize; g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_MYFIXED(widget)); + g_return_if_fail (GTK_IS_PIZZA(widget)); g_return_if_fail (allocation != NULL); - myfixed = GTK_MYFIXED (widget); - - children = myfixed->children; - while (children) - { - child = children->data; - children = children->next; - - gtk_myfixed_position_child (myfixed, child); - gtk_myfixed_allocate_child (myfixed, child); - } - + pizza = GTK_PIZZA (widget); + + only_resize = ((widget->allocation.x == allocation->x) && + (widget->allocation.y == allocation->y)); widget->allocation = *allocation; - - if (myfixed->shadow_type == GTK_MYSHADOW_NONE) - border = 0; - else - if (myfixed->shadow_type == GTK_MYSHADOW_THIN) - border = 1; - else - border = 2; - - x = allocation->x + border; - y = allocation->y + border; - w = allocation->width - border*2; - h = allocation->height - border*2; - - if (GTK_WIDGET_REALIZED (widget)) + + if (GTK_WIDGET_REALIZED(widget)) { - gdk_window_move_resize( widget->window, x, y, w, h ); - gdk_window_move_resize( myfixed->bin_window, 0, 0, w, h ); - } -} + border = pizza->container.border_width; -static void -gtk_myfixed_draw (GtkWidget *widget, - GdkRectangle *area) -{ - GtkMyFixed *myfixed; - GtkMyFixedChild *child; - GdkRectangle child_area; - GList *children; + 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; - g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_MYFIXED (widget)); + 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 ); - myfixed = GTK_MYFIXED (widget); - - children = myfixed->children; - if ( !(GTK_WIDGET_APP_PAINTABLE (widget)) ) - { - gdk_window_clear_area( myfixed->bin_window, - area->x, area->y, area->width, area->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; + child = children->data; + children = children->next; - if (gtk_widget_intersect (child->widget, area, &child_area)) - gtk_widget_draw (child->widget, &child_area); + gtk_pizza_allocate_child (pizza, child); } } -/* static void -gtk_myfixed_draw_border (GtkMyFixed *myfixed) +gtk_pizza_style_set(GtkWidget *widget, GtkStyle *previous_style) { - GtkWidget *widget; - - widget = GTK_WIDGET(myfixed); - - if (myfixed->shadow_type == GTK_MYSHADOW_NONE) - return; - - if (myfixed->shadow_type == GTK_MYSHADOW_OUT) + if (GTK_WIDGET_REALIZED(widget)) { - gtk_draw_shadow( widget->style, - widget->window, - GTK_STATE_NORMAL, - GTK_SHADOW_OUT, - 0, 0, - widget->allocation.width, - widget->allocation.height ); - return; + 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 ); } - if (myfixed->shadow_type == GTK_MYSHADOW_IN) - { - gtk_draw_shadow( widget->style, - widget->window, - GTK_STATE_NORMAL, - GTK_SHADOW_IN, - 0, 0, - widget->allocation.width, - widget->allocation.height ); - return; - } - - if (myfixed->shadow_type == GTK_MYSHADOW_THIN) - { - GdkGC *gc; - gc = gdk_gc_new( widget->window ); - gdk_gc_set_foreground( gc, &widget->style->black ); - gdk_draw_rectangle( widget->window, gc, FALSE, - 0, 0, - widget->allocation.width-1, - widget->allocation.height-1 ); - gdk_gc_unref( gc ); - return; - } -} -*/ - -static gint -gtk_myfixed_expose (GtkWidget *widget, - GdkEventExpose *event) -{ - GtkMyFixed *myfixed; - GtkMyFixedChild *child; - GdkEventExpose child_event; - GList *children; - - 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); - - myfixed = GTK_MYFIXED (widget); - -/* - if (event->window == widget->window) - { - gtk_myfixed_draw_border( myfixed ); - return FALSE; - } -*/ - - if (event->window != myfixed->bin_window) - return FALSE; - - children = myfixed->children; - while (children) - { - child = children->data; - children = children->next; - - child_event = *event; - - if (GTK_WIDGET_NO_WINDOW (child->widget) && - GTK_WIDGET_DRAWABLE (child->widget) && - gtk_widget_intersect (child->widget, &event->area, &child_event.area)) - { - gtk_widget_event (child->widget, (GdkEvent*) &child_event); - } - } - - return FALSE; + pizza_parent_class->style_set(widget, previous_style); } static void -gtk_myfixed_add (GtkContainer *container, - GtkWidget *widget) +gtk_pizza_add (GtkContainer *container, + GtkWidget *widget) { g_return_if_fail (container != NULL); - g_return_if_fail (GTK_IS_MYFIXED (container)); + g_return_if_fail (GTK_IS_PIZZA (container)); g_return_if_fail (widget != NULL); - gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 ); + gtk_pizza_put (GTK_PIZZA (container), widget, 0, 0, 20, 20 ); } static void -gtk_myfixed_remove (GtkContainer *container, - GtkWidget *widget) +gtk_pizza_remove (GtkContainer *container, + GtkWidget *widget) { - GtkMyFixed *myfixed; - GtkMyFixedChild *child; + GtkPizza *pizza; + GtkPizzaChild *child; GList *children; g_return_if_fail (container != NULL); - g_return_if_fail (GTK_IS_MYFIXED (container)); + g_return_if_fail (GTK_IS_PIZZA (container)); g_return_if_fail (widget != NULL); - myfixed = GTK_MYFIXED (container); + pizza = GTK_PIZZA (container); - children = myfixed->children; + children = pizza->children; while (children) { child = children->data; if (child->widget == widget) - { - gtk_widget_unparent (widget); + { + gtk_widget_unparent (widget); /* security checks */ g_return_if_fail (GTK_IS_WIDGET (widget)); - - myfixed->children = g_list_remove_link (myfixed->children, children); - g_list_free (children); - g_free (child); + + 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)); - - GTK_PRIVATE_UNSET_FLAG (widget, GTK_IS_OFFSCREEN); - - break; - } + g_return_if_fail (GTK_IS_WIDGET (widget)); + + break; + } children = children->next; } } static void -gtk_myfixed_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data) +gtk_pizza_forall (GtkContainer *container, + gboolean include_internals, + GtkCallback callback, + gpointer callback_data) { - GtkMyFixed *myfixed; - GtkMyFixedChild *child; - GList *children; - - g_return_if_fail (container != NULL); - g_return_if_fail (GTK_IS_MYFIXED (container)); - g_return_if_fail (callback != NULL); - - myfixed = GTK_MYFIXED (container); - - children = myfixed->children; - while (children) - { - child = children->data; - children = children->next; - - (* callback) (child->widget, callback_data); - } -} - - -/* Operations on children - */ + GtkPizza *pizza; + GtkPizzaChild *child; + GList *children; -static void -gtk_myfixed_position_child (GtkMyFixed *myfixed, - GtkMyFixedChild *child) -{ - gint x; - gint y; + g_return_if_fail (container != NULL); + g_return_if_fail (GTK_IS_PIZZA (container)); + g_return_if_fail (callback != (GtkCallback)NULL); - x = child->x - myfixed->xoffset; - y = child->y - myfixed->yoffset; + pizza = GTK_PIZZA (container); - if (IS_ONSCREEN (x,y)) - { - if (GTK_WIDGET_MAPPED (myfixed) && - GTK_WIDGET_VISIBLE (child->widget)) - { - if (!GTK_WIDGET_MAPPED (child->widget)) - gtk_widget_map (child->widget); - } - - if (GTK_WIDGET_IS_OFFSCREEN (child->widget)) - GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN); - } - else + children = pizza->children; + while (children) { - if (!GTK_WIDGET_IS_OFFSCREEN (child->widget)) - GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN); + child = children->data; + children = children->next; - if (GTK_WIDGET_MAPPED (child->widget)) - gtk_widget_unmap (child->widget); + (* callback) (child->widget, callback_data); } } static void -gtk_myfixed_allocate_child (GtkMyFixed *myfixed, - GtkMyFixedChild *child) +gtk_pizza_allocate_child (GtkPizza *pizza, + GtkPizzaChild *child) { - GtkAllocation allocation; - GtkRequisition requisition; - - allocation.x = child->x - myfixed->xoffset; - allocation.y = child->y - myfixed->yoffset; - gtk_widget_get_child_requisition (child->widget, &requisition); - allocation.width = requisition.width; - allocation.height = requisition.height; - - gtk_widget_size_allocate (child->widget, &allocation); -} + GtkAllocation allocation; + GtkRequisition requisition; -static void -gtk_myfixed_position_children (GtkMyFixed *myfixed) -{ - GList *tmp_list; + 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; - tmp_list = myfixed->children; - while (tmp_list) + if (gtk_widget_get_direction( GTK_WIDGET(pizza) ) == GTK_TEXT_DIR_RTL) { - GtkMyFixedChild *child = tmp_list->data; - tmp_list = tmp_list->next; - - gtk_myfixed_position_child (myfixed, child); - } -} - -static void -gtk_myfixed_adjust_allocations_recurse (GtkWidget *widget, - gpointer cb_data) -{ - GtkMyFixedAdjData *data = cb_data; - - widget->allocation.x += data->dx; - widget->allocation.y += data->dy; - - if (GTK_WIDGET_NO_WINDOW (widget) && - GTK_IS_CONTAINER (widget)) - gtk_container_forall (GTK_CONTAINER (widget), - gtk_myfixed_adjust_allocations_recurse, - cb_data); -} - -static void -gtk_myfixed_adjust_allocations (GtkMyFixed *myfixed, - gint dx, - gint dy) -{ - GList *tmp_list; - GtkMyFixedAdjData data; + /* reverse horizontal placement */ + gint offset,border; - data.dx = dx; - data.dy = dy; + offset = GTK_WIDGET(pizza)->allocation.width; + border = pizza->container.border_width; + offset -= border*2; - tmp_list = myfixed->children; - while (tmp_list) - { - GtkMyFixedChild *child = tmp_list->data; - tmp_list = tmp_list->next; - - 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_myfixed_adjust_allocations_recurse, - &data); - } -} - -/* Callbacks */ - -/* Send a synthetic expose event to the widget - */ -static void -gtk_myfixed_expose_area (GtkMyFixed *myfixed, - gint x, gint y, gint width, gint height) -{ - if (myfixed->visibility == GDK_VISIBILITY_UNOBSCURED) - { - GdkEventExpose event; - - event.type = GDK_EXPOSE; - event.send_event = TRUE; - event.window = myfixed->bin_window; - event.count = 0; - - event.area.x = x; - event.area.y = y; - event.area.width = width; - event.area.height = height; - - gdk_window_ref (event.window); - gtk_widget_event (GTK_WIDGET (myfixed), (GdkEvent *)&event); - gdk_window_unref (event.window); + allocation.x = offset - child->x - allocation.width + pizza->m_xoffset; } -} -/* This function is used to find events to process while scrolling - */ - -static Bool -gtk_myfixed_expose_predicate (Display *display, - XEvent *xevent, - XPointer arg) -{ - if ((xevent->type == Expose) || - ((xevent->xany.window == *(Window *)arg) && - (xevent->type == ConfigureNotify))) - return True; - else - return False; + gtk_widget_size_allocate (child->widget, &allocation); } -/* This is the main routine to do the scrolling. Scrolling is - * done by "Guffaw" scrolling, as in the Mozilla XFE, with - * a few modifications. - * - * The main improvement is that we keep track of whether we - * are obscured or not. If not, we ignore the generated expose - * events and instead do the exposes ourself, without having - * to wait for a roundtrip to the server. This also provides - * a limited form of expose-event compression, since we do - * the affected area as one big chunk. - */ - void -gtk_myfixed_scroll (GtkMyFixed *myfixed, gint dx, gint dy) -{ - GtkWidget *widget; - XEvent xevent; - - gint x,y,w,h,border; - - widget = GTK_WIDGET (myfixed); - - myfixed->xoffset += dx; - myfixed->yoffset += dy; - - if (!GTK_WIDGET_MAPPED (myfixed)) - { - gtk_myfixed_position_children (myfixed); - return; - } - - gtk_myfixed_adjust_allocations (myfixed, -dx, -dy); - - if (myfixed->shadow_type == GTK_MYSHADOW_NONE) - border = 0; - else - if (myfixed->shadow_type == GTK_MYSHADOW_THIN) - border = 1; - else - border = 2; - - x = 0; - y = 0; - w = widget->allocation.width - 2*border; - h = widget->allocation.height - 2*border; - - if (dx > 0) - { - if (gravity_works) - { - gdk_window_resize (myfixed->bin_window, - w + dx, - h); - gdk_window_move (myfixed->bin_window, x-dx, y); - gdk_window_move_resize (myfixed->bin_window, x, y, w, h ); - } - else - { - /* FIXME */ - } - - gtk_myfixed_expose_area (myfixed, - MAX ((gint)w - dx, 0), - 0, - MIN (dx, w), - h); - } - else if (dx < 0) - { - if (gravity_works) - { - gdk_window_move_resize (myfixed->bin_window, - x + dx, - y, - w - dx, - h); - gdk_window_move (myfixed->bin_window, x, y); - gdk_window_resize (myfixed->bin_window, w, h ); - } - else - { - /* FIXME */ - } - - gtk_myfixed_expose_area (myfixed, - 0, - 0, - MIN (-dx, w), - h); - } - - if (dy > 0) - { - if (gravity_works) - { - gdk_window_resize (myfixed->bin_window, w, h + dy); - gdk_window_move (myfixed->bin_window, x, y-dy); - gdk_window_move_resize (myfixed->bin_window, - x, y, w, h ); - } - else - { - /* FIXME */ - } - - gtk_myfixed_expose_area (myfixed, - 0, - MAX ((gint)h - dy, 0), - w, - MIN (dy, h)); - } - else if (dy < 0) - { - if (gravity_works) - { - gdk_window_move_resize (myfixed->bin_window, - x, y+dy, w, h - dy ); - gdk_window_move (myfixed->bin_window, x, y); - gdk_window_resize (myfixed->bin_window, w, h ); - } - else - { - /* FIXME */ - } - gtk_myfixed_expose_area (myfixed, - 0, - 0, - w, - MIN (-dy, (gint)h)); - } - - gtk_myfixed_position_children (myfixed); - - /* We have to make sure that all exposes from this scroll get - * processed before we scroll again, or the expose events will - * have invalid coordinates. - * - * We also do expose events for other windows, since otherwise - * their updating will fall behind the scrolling - * - * This also avoids a problem in pre-1.0 GTK where filters don't - * have access to configure events that were compressed. - */ - - gdk_flush(); - while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (myfixed->bin_window), - &xevent, - gtk_myfixed_expose_predicate, - (XPointer)&GDK_WINDOW_XWINDOW (myfixed->bin_window))) - { - GdkEvent event; - GtkWidget *event_widget; - - if ((xevent.xany.window == GDK_WINDOW_XWINDOW (myfixed->bin_window)) && - (gtk_myfixed_filter (&xevent, &event, myfixed) == GDK_FILTER_REMOVE)) - continue; - - if (xevent.type == Expose) - { - event.expose.window = gdk_window_lookup (xevent.xany.window); - gdk_window_get_user_data (event.expose.window, - (gpointer *)&event_widget); - - if (event_widget) - { - event.expose.type = GDK_EXPOSE; - event.expose.area.x = xevent.xexpose.x; - event.expose.area.y = xevent.xexpose.y; - event.expose.area.width = xevent.xexpose.width; - event.expose.area.height = xevent.xexpose.height; - event.expose.count = xevent.xexpose.count; - - gdk_window_ref (event.expose.window); - gtk_widget_event (event_widget, &event); - gdk_window_unref (event.expose.window); - } - } - } -} - -/* The main event filter. Actually, we probably don't really need - * to install this as a filter at all, since we are calling it - * directly above in the expose-handling hack. But in case scrollbars - * are fixed up in some manner... - * - * This routine identifies expose events that are generated when - * we've temporarily moved the bin_window_origin, and translates - * them or discards them, depending on whether we are obscured - * or not. - */ -static GdkFilterReturn -gtk_myfixed_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data) -{ - XEvent *xevent; - GtkMyFixed *myfixed; - - xevent = (XEvent *)gdk_xevent; - myfixed = GTK_MYFIXED (data); - - switch (xevent->type) - { - case Expose: - if (xevent->xexpose.serial == myfixed->configure_serial) - { - if (myfixed->visibility == GDK_VISIBILITY_UNOBSCURED) - return GDK_FILTER_REMOVE; - else - { - xevent->xexpose.x += myfixed->scroll_x; - xevent->xexpose.y += myfixed->scroll_y; - - break; - } - } - break; - - case ConfigureNotify: - if ((xevent->xconfigure.x != 0) || (xevent->xconfigure.y != 0)) - { - myfixed->configure_serial = xevent->xconfigure.serial; - myfixed->scroll_x = xevent->xconfigure.x; - myfixed->scroll_y = xevent->xconfigure.y; - } - break; - } - - return GDK_FILTER_CONTINUE; -} - -/* Although GDK does have a GDK_VISIBILITY_NOTIFY event, - * there is no corresponding event in GTK, so we have - * to get the events from a filter - */ -static GdkFilterReturn -gtk_myfixed_main_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data) +gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy) { - XEvent *xevent; - GtkMyFixed *myfixed; + GList *tmp_list; + + pizza->m_xoffset += dx; + pizza->m_yoffset += dy; - xevent = (XEvent *)gdk_xevent; - myfixed = GTK_MYFIXED (data); + if (pizza->bin_window) + gdk_window_scroll( pizza->bin_window, -dx, -dy ); - if (xevent->type == VisibilityNotify) + for (tmp_list = pizza->children; tmp_list; tmp_list = tmp_list->next) { - switch (xevent->xvisibility.state) - { - case VisibilityFullyObscured: - myfixed->visibility = GDK_VISIBILITY_FULLY_OBSCURED; - break; - - case VisibilityPartiallyObscured: - myfixed->visibility = GDK_VISIBILITY_PARTIAL; - break; - - case VisibilityUnobscured: - myfixed->visibility = GDK_VISIBILITY_UNOBSCURED; - break; - } - - return GDK_FILTER_REMOVE; + GtkPizzaChild *child = tmp_list->data; + gtk_widget_queue_resize(child->widget); } - - - return GDK_FILTER_CONTINUE; } - - - #ifdef __cplusplus } #endif /* __cplusplus */ -