X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b6fa52db667283fea7eaba7abe3dc48b8631f360..3225a4b8b8656f25dac6cb20684a3c2c273cf796:/src/gtk1/win_gtk.c?ds=inline diff --git a/src/gtk1/win_gtk.c b/src/gtk1/win_gtk.c index 7d5f7a92ad..d23dd2dfd4 100644 --- a/src/gtk1/win_gtk.c +++ b/src/gtk1/win_gtk.c @@ -1,6 +1,6 @@ /* /////////////////////////////////////////////////////////////////////////// -// Name: win_gtk.c -// Purpose: Native GTK+ widget for wxWindows, based on GtkLayout and +// Name: src/gtk1/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 @@ -9,11 +9,12 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////// */ -#include "wx/gtk/win_gtk.h" -#ifdef __VMS -#define gtk_widget_get_child_requisition gtk_widget_get_child_requisitio -#define gtk_marshal_NONE__POINTER_POINTER gtk_marshal_NONE__POINTER_POINT +#ifdef VMS +#define XCheckIfEvent XCHECKIFEVENT #endif + +#include "wx/platform.h" +#include "wx/gtk1/win_gtk.h" #include "gtk/gtksignal.h" #include "gtk/gtkprivate.h" #include "gdk/gdkx.h" @@ -29,6 +30,7 @@ extern "C" { #define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \ (y >= G_MINSHORT) && (y <= G_MAXSHORT)) + typedef struct _GtkPizzaAdjData GtkPizzaAdjData; struct _GtkPizzaAdjData @@ -53,6 +55,8 @@ static void gtk_pizza_draw (GtkWidget *widget, GdkRectangle *area); static gint gtk_pizza_expose (GtkWidget *widget, GdkEventExpose *event); +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, @@ -62,26 +66,15 @@ static void gtk_pizza_forall (GtkContainer *container, GtkCallback callback, gpointer callback_data); -static void gtk_pizza_position_child (GtkPizza *pizza, - GtkPizzaChild *child); static void gtk_pizza_allocate_child (GtkPizza *pizza, GtkPizzaChild *child); -static void gtk_pizza_position_children (GtkPizza *pizza); - static void gtk_pizza_adjust_allocations_recurse (GtkWidget *widget, gpointer cb_data); -static void gtk_pizza_adjust_allocations (GtkPizza *pizza, - gint dx, - gint dy); - - -static void gtk_pizza_expose_area (GtkPizza *pizza, - gint x, - gint y, - gint width, - gint height); -static void gtk_pizza_adjustment_changed (GtkAdjustment *adjustment, - GtkPizza *pizza); + +static void gtk_pizza_position_child (GtkPizza *pizza, + GtkPizzaChild *child); +static void gtk_pizza_position_children (GtkPizza *pizza); + static GdkFilterReturn gtk_pizza_filter (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data); @@ -89,7 +82,6 @@ static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data); - static GtkType gtk_pizza_child_type (GtkContainer *container); static void gtk_pizza_scroll_set_adjustments (GtkPizza *pizza, @@ -97,26 +89,27 @@ static void gtk_pizza_scroll_set_adjustments (GtkPizza *pizza, GtkAdjustment *vadj); -static GtkContainerClass *parent_class = NULL; +static GtkContainerClass *pizza_parent_class = NULL; + static gboolean gravity_works; -guint +GtkType gtk_pizza_get_type () { - static guint pizza_type = 0; + static GtkType pizza_type = 0; if (!pizza_type) { GtkTypeInfo pizza_info = { - "GtkPizza", - sizeof (GtkPizza), - sizeof (GtkPizzaClass), - (GtkClassInitFunc) gtk_pizza_class_init, - (GtkObjectInitFunc) gtk_pizza_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, + "GtkPizza", + sizeof (GtkPizza), + sizeof (GtkPizzaClass), + (GtkClassInitFunc) gtk_pizza_class_init, + (GtkObjectInitFunc) gtk_pizza_init, + /* reserved_1 */ NULL, + /* reserved_2 */ NULL, + (GtkClassInitFunc) NULL, }; pizza_type = gtk_type_unique (gtk_container_get_type (), &pizza_info); } @@ -134,7 +127,7 @@ gtk_pizza_class_init (GtkPizzaClass *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_pizza_map; widget_class->realize = gtk_pizza_realize; @@ -143,6 +136,7 @@ gtk_pizza_class_init (GtkPizzaClass *klass) widget_class->size_allocate = gtk_pizza_size_allocate; widget_class->draw = gtk_pizza_draw; widget_class->expose_event = gtk_pizza_expose; + widget_class->style_set = gtk_pizza_style_set; container_class->add = gtk_pizza_add; container_class->remove = gtk_pizza_remove; @@ -180,7 +174,7 @@ gtk_pizza_init (GtkPizza *pizza) pizza->height = 20; pizza->bin_window = NULL; - + pizza->xoffset = 0; pizza->yoffset = 0; @@ -191,6 +185,7 @@ gtk_pizza_init (GtkPizza *pizza) pizza->clear_on_draw = TRUE; pizza->use_filter = TRUE; + pizza->external_expose = FALSE; } GtkWidget* @@ -240,7 +235,7 @@ gtk_pizza_set_clear (GtkPizza *pizza, pizza->clear_on_draw = clear; } -void +void gtk_pizza_set_filter (GtkPizza *pizza, gboolean use) { @@ -248,8 +243,18 @@ gtk_pizza_set_filter (GtkPizza *pizza, g_return_if_fail (GTK_IS_PIZZA (pizza)); pizza->use_filter = use; -} - +} + +void +gtk_pizza_set_external (GtkPizza *pizza, + gboolean expose) +{ + g_return_if_fail (pizza != NULL); + g_return_if_fail (GTK_IS_PIZZA (pizza)); + + pizza->external_expose = expose; +} + void gtk_pizza_put (GtkPizza *pizza, GtkWidget *widget, @@ -274,30 +279,15 @@ gtk_pizza_put (GtkPizza *pizza, pizza->children = g_list_append (pizza->children, child_info); - gtk_widget_set_parent (widget, GTK_WIDGET (pizza)); - if (GTK_WIDGET_REALIZED (pizza)) gtk_widget_set_parent_window (widget, pizza->bin_window); + gtk_widget_set_parent (widget, GTK_WIDGET (pizza)); + if (!IS_ONSCREEN (x, y)) GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN); -/* - if (GTK_WIDGET_REALIZED (pizza)) - gtk_widget_realize (widget); -*/ - gtk_widget_set_usize (widget, width, height); - -/* - if (GTK_WIDGET_VISIBLE (pizza) && GTK_WIDGET_VISIBLE (widget)) - { - if (GTK_WIDGET_MAPPED (pizza)) - gtk_widget_map (widget); - - gtk_widget_queue_resize (widget); - } -*/ } void @@ -413,6 +403,33 @@ gtk_pizza_set_size (GtkPizza *pizza, } } +gint +gtk_pizza_child_resized (GtkPizza *pizza, + GtkWidget *widget) +{ + GtkPizzaChild *child; + GList *children; + + g_return_val_if_fail (pizza != NULL, FALSE); + g_return_val_if_fail (GTK_IS_PIZZA (pizza), FALSE); + g_return_val_if_fail (widget != NULL, FALSE); + + children = pizza->children; + while (children) + { + child = children->data; + children = children->next; + + if (child->widget == widget) + { + return ((child->width == widget->allocation.width) && + (child->height == widget->allocation.height)); + } + } + + return FALSE; +} + static void gtk_pizza_map (GtkWidget *widget) { @@ -457,7 +474,6 @@ gtk_pizza_realize (GtkWidget *widget) 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; @@ -467,18 +483,20 @@ gtk_pizza_realize (GtkWidget *widget) attributes.width = widget->allocation.width; attributes.height = widget->allocation.height; +#ifndef __WXUNIVERSAL__ if (pizza->shadow_type == GTK_MYSHADOW_NONE) { /* no border, no changes to sizes */ - } else - if (pizza->shadow_type == GTK_MYSHADOW_THIN) + } + else if (pizza->shadow_type == GTK_MYSHADOW_THIN) { /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */ attributes.x += 1; attributes.y += 1; attributes.width -= 2; attributes.height -= 2; - } else + } + else { /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */ /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */ @@ -487,6 +505,7 @@ gtk_pizza_realize (GtkWidget *widget) attributes.width -= 4; attributes.height -= 4; } +#endif /* __WXUNIVERSAL__ */ /* minimal size */ if (attributes.width < 2) attributes.width = 2; @@ -495,8 +514,7 @@ gtk_pizza_realize (GtkWidget *widget) 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), @@ -507,21 +525,20 @@ gtk_pizza_realize (GtkWidget *widget) attributes.y = 0; 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; + 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; pizza->bin_window = gdk_window_new(widget->window, &attributes, attributes_mask); @@ -531,6 +548,11 @@ gtk_pizza_realize (GtkWidget *widget) 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 ); +*/ + /* add filters for intercepting visibility and expose events */ gdk_window_add_filter (widget->window, gtk_pizza_main_filter, pizza); gdk_window_add_filter (pizza->bin_window, gtk_pizza_filter, pizza); @@ -552,19 +574,19 @@ gtk_pizza_realize (GtkWidget *widget) static void gtk_pizza_unrealize (GtkWidget *widget) { - GtkPizza *pizza; + GtkPizza *pizza; - g_return_if_fail (widget != NULL); - g_return_if_fail (GTK_IS_PIZZA (widget)); + g_return_if_fail (widget != NULL); + g_return_if_fail (GTK_IS_PIZZA (widget)); - pizza = GTK_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; + 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 (GTK_WIDGET_CLASS (pizza_parent_class)->unrealize) + (* GTK_WIDGET_CLASS (pizza_parent_class)->unrealize) (widget); } static void @@ -652,16 +674,89 @@ static void gtk_pizza_draw (GtkWidget *widget, GdkRectangle *area) { - /* We handle all draws events in window.cpp now. */ - return; + GtkPizza *pizza; + GtkPizzaChild *child; + GdkRectangle child_area; + GList *children; + + g_return_if_fail (widget != NULL); + g_return_if_fail (GTK_IS_PIZZA (widget)); + + pizza = GTK_PIZZA (widget); + + /* Sometimes, We handle all expose events in window.cpp now. */ + if (pizza->external_expose) + return; + + children = pizza->children; + if ( !(GTK_WIDGET_APP_PAINTABLE (widget)) && + (pizza->clear_on_draw)) + { + gdk_window_clear_area( pizza->bin_window, + area->x, area->y, area->width, area->height); + } + + while (children) + { + child = children->data; + children = children->next; + + if (gtk_widget_intersect (child->widget, area, &child_area)) + gtk_widget_draw (child->widget, &child_area); + } } static gint gtk_pizza_expose (GtkWidget *widget, GdkEventExpose *event) { + GtkPizza *pizza; + GtkPizzaChild *child; + GdkEventExpose child_event; + GList *children; + + g_return_val_if_fail (widget != NULL, FALSE); + g_return_val_if_fail (GTK_IS_PIZZA (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + pizza = GTK_PIZZA (widget); + + if (event->window != pizza->bin_window) + return FALSE; + /* We handle all expose events in window.cpp now. */ - return FALSE; + if (pizza->external_expose) + return FALSE; + + children = pizza->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 TRUE; +} + +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 ); + } + + (* GTK_WIDGET_CLASS (pizza_parent_class)->style_set) (widget, previous_style); } static void @@ -729,7 +824,7 @@ gtk_pizza_forall (GtkContainer *container, g_return_if_fail (container != NULL); g_return_if_fail (GTK_IS_PIZZA (container)); - g_return_if_fail (callback != NULL); + g_return_if_fail (callback != (GtkCallback)NULL); pizza = GTK_PIZZA (container); @@ -743,42 +838,6 @@ gtk_pizza_forall (GtkContainer *container, } } - -/* Operations on children - */ - -static void -gtk_pizza_position_child (GtkPizza *pizza, - GtkPizzaChild *child) -{ - gint x; - gint y; - - x = child->x - pizza->xoffset; - y = child->y - pizza->yoffset; - - if (IS_ONSCREEN (x,y)) - { - if (GTK_WIDGET_MAPPED (pizza) && - 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 - { - if (!GTK_WIDGET_IS_OFFSCREEN (child->widget)) - GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN); - - if (GTK_WIDGET_MAPPED (child->widget)) - gtk_widget_unmap (child->widget); - } -} - static void gtk_pizza_allocate_child (GtkPizza *pizza, GtkPizzaChild *child) @@ -795,21 +854,6 @@ gtk_pizza_allocate_child (GtkPizza *pizza, gtk_widget_size_allocate (child->widget, &allocation); } -static void -gtk_pizza_position_children (GtkPizza *pizza) -{ - GList *tmp_list; - - tmp_list = pizza->children; - while (tmp_list) - { - GtkPizzaChild *child = tmp_list->data; - tmp_list = tmp_list->next; - - gtk_pizza_position_child (pizza, child); - } -} - static void gtk_pizza_adjust_allocations_recurse (GtkWidget *widget, gpointer cb_data) @@ -857,48 +901,65 @@ gtk_pizza_adjust_allocations (GtkPizza *pizza, } } -/* Callbacks */ - -/* Send a synthetic expose event to the widget - */ static void -gtk_pizza_expose_area (GtkPizza *pizza, - gint x, gint y, gint width, gint height) +gtk_pizza_position_child (GtkPizza *pizza, + GtkPizzaChild *child) { - if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED) - { - GdkEventExpose event; + gint x; + gint y; - event.type = GDK_EXPOSE; - event.send_event = TRUE; - event.window = pizza->bin_window; - event.count = 0; + x = child->x - pizza->xoffset; + y = child->y - pizza->yoffset; - event.area.x = x; - event.area.y = y; - event.area.width = width; - event.area.height = height; + if (IS_ONSCREEN (x,y)) + { + if (GTK_WIDGET_MAPPED (pizza) && + GTK_WIDGET_VISIBLE (child->widget)) + { + if (!GTK_WIDGET_MAPPED (child->widget)) + gtk_widget_map (child->widget); + } - gdk_window_ref (event.window); - gtk_widget_event (GTK_WIDGET (pizza), (GdkEvent *)&event); - gdk_window_unref (event.window); + if (GTK_WIDGET_IS_OFFSCREEN (child->widget)) + GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN); + } + else + { + if (!GTK_WIDGET_IS_OFFSCREEN (child->widget)) + GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN); + + if (GTK_WIDGET_MAPPED (child->widget)) + gtk_widget_unmap (child->widget); } } -/* This function is used to find events to process while scrolling - */ +static void +gtk_pizza_position_children (GtkPizza *pizza) +{ + GList *tmp_list; + tmp_list = pizza->children; + while (tmp_list) + { + GtkPizzaChild *child = tmp_list->data; + tmp_list = tmp_list->next; + + gtk_pizza_position_child (pizza, child); + } +} + +/* This function is used to find events to process while scrolling */ static Bool gtk_pizza_expose_predicate (Display *display, XEvent *xevent, XPointer arg) { - if ((xevent->type == Expose) || - ((xevent->xany.window == *(Window *)arg) && + if ((xevent->type == Expose) || + ((xevent->xany.window == *(Window *)arg) && (xevent->type == ConfigureNotify))) - return True; - else - return False; + return True; + else + return False; } /* This is the main routine to do the scrolling. Scrolling is @@ -916,40 +977,41 @@ gtk_pizza_expose_predicate (Display *display, void gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy) { - GtkWidget *widget; - XEvent xevent; + GtkWidget *widget; + XEvent xevent; + XID win; - gint x,y,w,h,border; + gint x,y,w,h,border; - widget = GTK_WIDGET (pizza); + widget = GTK_WIDGET (pizza); - pizza->xoffset += dx; - pizza->yoffset += dy; + pizza->xoffset += dx; + pizza->yoffset += dy; - if (!GTK_WIDGET_MAPPED (pizza)) + if (!GTK_WIDGET_MAPPED (pizza)) { - gtk_pizza_position_children (pizza); - return; + gtk_pizza_position_children (pizza); + return; } - gtk_pizza_adjust_allocations (pizza, -dx, -dy); + gtk_pizza_adjust_allocations (pizza, -dx, -dy); - if (pizza->shadow_type == GTK_MYSHADOW_NONE) - border = 0; - else - if (pizza->shadow_type == GTK_MYSHADOW_THIN) - border = 1; - else - border = 2; + if (pizza->shadow_type == GTK_MYSHADOW_NONE) + border = 0; + else + if (pizza->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; + x = 0; + y = 0; + w = widget->allocation.width - 2*border; + h = widget->allocation.height - 2*border; - if (dx > 0) + if (dx > 0) { - if (gravity_works) + if (gravity_works) { gdk_window_resize (pizza->bin_window, w + dx, @@ -957,20 +1019,14 @@ gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy) gdk_window_move (pizza->bin_window, x-dx, y); gdk_window_move_resize (pizza->bin_window, x, y, w, h ); } - else + else { /* FIXME */ } - - gtk_pizza_expose_area (pizza, - MAX ((gint)w - dx, 0), - 0, - MIN (dx, w), - h); } - else if (dx < 0) + else if (dx < 0) { - if (gravity_works) + if (gravity_works) { gdk_window_move_resize (pizza->bin_window, x + dx, @@ -980,107 +1036,81 @@ gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy) gdk_window_move (pizza->bin_window, x, y); gdk_window_resize (pizza->bin_window, w, h ); } - else + else { /* FIXME */ } - - gtk_pizza_expose_area (pizza, - 0, - 0, - MIN (-dx, w), - h); } - if (dy > 0) + if (dy > 0) { - if (gravity_works) + if (gravity_works) { gdk_window_resize (pizza->bin_window, w, h + dy); gdk_window_move (pizza->bin_window, x, y-dy); gdk_window_move_resize (pizza->bin_window, x, y, w, h ); } - else + else { /* FIXME */ } - - gtk_pizza_expose_area (pizza, - 0, - MAX ((gint)h - dy, 0), - w, - MIN (dy, h)); } - else if (dy < 0) + else if (dy < 0) { - if (gravity_works) + if (gravity_works) { gdk_window_move_resize (pizza->bin_window, x, y+dy, w, h - dy ); gdk_window_move (pizza->bin_window, x, y); gdk_window_resize (pizza->bin_window, w, h ); } - else + else { /* FIXME */ } - gtk_pizza_expose_area (pizza, - 0, - 0, - w, - MIN (-dy, (gint)h)); } - gtk_pizza_position_children (pizza); - - /* 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 (pizza->bin_window), - &xevent, - gtk_pizza_expose_predicate, - (XPointer)&GDK_WINDOW_XWINDOW (pizza->bin_window))) + gtk_pizza_position_children (pizza); + + gdk_flush(); + + win = GDK_WINDOW_XWINDOW (pizza->bin_window); + while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window), + &xevent, + gtk_pizza_expose_predicate, + (XPointer)&win)) { - GdkEvent event; - GtkWidget *event_widget; + GdkEvent event; + GtkWidget *event_widget; - if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) && - (gtk_pizza_filter (&xevent, &event, pizza) == GDK_FILTER_REMOVE)) - continue; + if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) ) + gtk_pizza_filter (&xevent, &event, pizza); - if (xevent.type == Expose) + if (xevent.type == Expose) { - event.expose.window = gdk_window_lookup (xevent.xany.window); - gdk_window_get_user_data (event.expose.window, + event.expose.window = gdk_window_lookup (xevent.xany.window); + gdk_window_get_user_data (event.expose.window, (gpointer *)&event_widget); - if (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); + 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 @@ -1100,37 +1130,29 @@ gtk_pizza_filter (GdkXEvent *gdk_xevent, GtkPizza *pizza; xevent = (XEvent *)gdk_xevent; - + pizza = GTK_PIZZA (data); - + if (!pizza->use_filter) return GDK_FILTER_CONTINUE; - switch (xevent->type) + switch (xevent->type) { - case Expose: - if (xevent->xexpose.serial == pizza->configure_serial) - { - if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED) - return GDK_FILTER_REMOVE; - else + case Expose: + if (xevent->xexpose.serial == pizza->configure_serial) { - xevent->xexpose.x += pizza->scroll_x; - xevent->xexpose.y += pizza->scroll_y; - - break; + xevent->xexpose.x += pizza->scroll_x; + xevent->xexpose.y += pizza->scroll_y; } - } - break; + break; - case ConfigureNotify: - if ((xevent->xconfigure.x != 0) || (xevent->xconfigure.y != 0)) - { - pizza->configure_serial = xevent->xconfigure.serial; - pizza->scroll_x = xevent->xconfigure.x; - pizza->scroll_y = xevent->xconfigure.y; - } - break; + case ConfigureNotify: + { + pizza->configure_serial = xevent->xconfigure.serial; + pizza->scroll_x = xevent->xconfigure.x; + pizza->scroll_y = xevent->xconfigure.y; + } + break; } return GDK_FILTER_CONTINUE; @@ -1150,7 +1172,7 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent, xevent = (XEvent *)gdk_xevent; pizza = GTK_PIZZA (data); - + if (!pizza->use_filter) return GDK_FILTER_CONTINUE; @@ -1170,17 +1192,13 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent, pizza->visibility = GDK_VISIBILITY_UNOBSCURED; break; } - + return GDK_FILTER_REMOVE; } return GDK_FILTER_CONTINUE; } - - - #ifdef __cplusplus } #endif /* __cplusplus */ -