X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0e09f76e6d499a32ab3522d0f9c41a1999f6f73a..8c9c423bea9ad7e07d4099930323f810338cdc60:/src/gtk/win_gtk.c?ds=sidebyside diff --git a/src/gtk/win_gtk.c b/src/gtk/win_gtk.c index 58b2ec367b..4862d3b493 100644 --- a/src/gtk/win_gtk.c +++ b/src/gtk/win_gtk.c @@ -1,32 +1,26 @@ /* /////////////////////////////////////////////////////////////////////////// -// 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 */ -#include -#include -#include - -#define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \ - (y >= G_MINSHORT) && (y <= G_MAXSHORT)) - typedef struct _GtkPizzaAdjData GtkPizzaAdjData; -typedef struct _GtkPizzaChild GtkPizzaChild; struct _GtkPizzaAdjData { @@ -34,102 +28,109 @@ struct _GtkPizzaAdjData gint dy; }; -struct _GtkPizzaChild -{ - GtkWidget *widget; - gint x; - gint y; - gint width; - gint height; -}; +static void gtk_pizza_class_init (GtkPizzaClass *klass); +static void gtk_pizza_init (GtkPizza *pizza); -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_realize (GtkWidget *widget); -static void gtk_pizza_unrealize (GtkWidget *widget); - -static void gtk_pizza_map (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_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, GtkWidget *widget); -static void gtk_pizza_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data); +static void gtk_pizza_forall (GtkContainer *container, + gboolean include_internals, + 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); - + GtkPizzaChild *child); 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 GdkFilterReturn gtk_pizza_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data); -static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data); - + gpointer cb_data); static GtkType gtk_pizza_child_type (GtkContainer *container); -static void gtk_pizza_scroll_set_adjustments (GtkPizza *pizza, +static void gtk_pizza_scroll_set_adjustments (GtkPizza *pizza, GtkAdjustment *hadj, GtkAdjustment *vadj); +/* static */ +GtkContainerClass *pizza_parent_class = NULL; -static GtkContainerClass *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 = + static const GTypeInfo pizza_info = { - "GtkPizza", - sizeof (GtkPizza), - sizeof (GtkPizzaClass), - (GtkClassInitFunc) gtk_pizza_class_init, - (GtkObjectInitFunc) gtk_pizza_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, }; - pizza_type = gtk_type_unique (gtk_container_get_type (), &pizza_info); + 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) { @@ -140,15 +141,15 @@ 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; widget_class->unrealize = gtk_pizza_unrealize; widget_class->size_request = gtk_pizza_size_request; 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; @@ -159,12 +160,18 @@ gtk_pizza_class_init (GtkPizzaClass *klass) 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 (GtkPizzaClass, 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 @@ -187,13 +194,13 @@ gtk_pizza_init (GtkPizza *pizza) pizza->bin_window = NULL; - pizza->configure_serial = 0; + pizza->xoffset = 0; + pizza->yoffset = 0; + pizza->scroll_x = 0; pizza->scroll_y = 0; - pizza->visibility = GDK_VISIBILITY_PARTIAL; - pizza->clear_on_draw = TRUE; - pizza->use_filter = FALSE; + pizza->external_expose = FALSE; } GtkWidget* @@ -201,7 +208,7 @@ gtk_pizza_new () { GtkPizza *pizza; - pizza = gtk_type_new (gtk_pizza_get_type ()); + pizza = g_object_new (gtk_pizza_get_type (), NULL); return GTK_WIDGET (pizza); } @@ -215,13 +222,13 @@ gtk_pizza_scroll_set_adjustments (GtkPizza *pizza, } void -gtk_pizza_set_shadow_type (GtkPizza *pizza, +gtk_pizza_set_shadow_type (GtkPizza *pizza, GtkMyShadowType type) { g_return_if_fail (pizza != NULL); g_return_if_fail (GTK_IS_PIZZA (pizza)); - if ((GtkMyShadowType) pizza->shadow_type != type) + if (pizza->shadow_type != type) { pizza->shadow_type = type; @@ -234,32 +241,22 @@ gtk_pizza_set_shadow_type (GtkPizza *pizza, } void -gtk_pizza_set_clear (GtkPizza *pizza, - gboolean clear) +gtk_pizza_set_external (GtkPizza *pizza, + gboolean expose) { g_return_if_fail (pizza != NULL); g_return_if_fail (GTK_IS_PIZZA (pizza)); - pizza->clear_on_draw = clear; + pizza->external_expose = expose; } -void -gtk_pizza_set_filter (GtkPizza *pizza, - gboolean use) -{ - g_return_if_fail (pizza != NULL); - g_return_if_fail (GTK_IS_PIZZA (pizza)); - - pizza->use_filter = use; -} - void -gtk_pizza_put (GtkPizza *pizza, - GtkWidget *widget, - gint x, - gint y, - gint width, - gint height) +gtk_pizza_put (GtkPizza *pizza, + GtkWidget *widget, + gint x, + gint y, + gint width, + gint height) { GtkPizzaChild *child_info; @@ -277,71 +274,21 @@ 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); - 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 -gtk_pizza_move (GtkPizza *pizza, - GtkWidget *widget, - gint x, - gint y) -{ - GtkPizzaChild *child; - GList *children; - - g_return_if_fail (pizza != NULL); - g_return_if_fail (GTK_IS_PIZZA (pizza)); - g_return_if_fail (widget != NULL); - - children = pizza->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; + gtk_widget_set_parent (widget, GTK_WIDGET (pizza)); - if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (pizza)) - gtk_widget_queue_resize (widget); - break; - } - } + gtk_widget_set_size_request (widget, width, height); } void -gtk_pizza_resize (GtkPizza *pizza, - GtkWidget *widget, - gint width, - gint height) +gtk_pizza_set_size (GtkPizza *pizza, + GtkWidget *widget, + gint x, + gint y, + gint width, + gint height) { GtkPizzaChild *child; GList *children; @@ -350,43 +297,15 @@ gtk_pizza_resize (GtkPizza *pizza, g_return_if_fail (GTK_IS_PIZZA (pizza)); g_return_if_fail (widget != NULL); - children = pizza->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 (pizza)) - gtk_widget_queue_resize (widget); - break; - } - } -} - -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) @@ -406,7 +325,7 @@ gtk_pizza_set_size (GtkPizza *pizza, child->width = width; child->height = height; - gtk_widget_set_usize (widget, width, height); + gtk_widget_set_size_request (widget, width, height); if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (pizza)) gtk_widget_queue_resize (widget); @@ -436,8 +355,7 @@ gtk_pizza_map (GtkWidget *widget) children = children->next; if ( GTK_WIDGET_VISIBLE (child->widget) && - !GTK_WIDGET_MAPPED (child->widget) && - !GTK_WIDGET_IS_OFFSCREEN (child->widget)) + !GTK_WIDGET_MAPPED (child->widget) ) { gtk_widget_map (child->widget); } @@ -460,7 +378,6 @@ 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; @@ -470,18 +387,20 @@ 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 */ @@ -490,6 +409,7 @@ gtk_pizza_realize (GtkWidget *widget) attributes.width -= 4; attributes.height -= 4; } +#endif /* __WXUNIVERSAL__ */ /* minimal size */ if (attributes.width < 2) attributes.width = 2; @@ -498,8 +418,7 @@ 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), @@ -510,21 +429,21 @@ 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_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); @@ -532,14 +451,12 @@ gtk_pizza_realize (GtkWidget *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); - - /* 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); + 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 (pizza->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 = pizza->children; @@ -555,24 +472,24 @@ 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 gtk_pizza_size_request (GtkWidget *widget, - GtkRequisition *requisition) + GtkRequisition *requisition) { GtkPizza *pizza; GtkPizzaChild *child; @@ -605,7 +522,7 @@ gtk_pizza_size_request (GtkWidget *widget, static void gtk_pizza_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) + GtkAllocation *allocation) { GtkPizza *pizza; gint border; @@ -646,51 +563,15 @@ gtk_pizza_size_allocate (GtkWidget *widget, child = children->data; children = children->next; - gtk_pizza_position_child (pizza, child); gtk_pizza_allocate_child (pizza, child); } } -static void -gtk_pizza_draw (GtkWidget *widget, - GdkRectangle *area) -{ - 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); - - 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) + 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); @@ -701,23 +582,25 @@ gtk_pizza_expose (GtkWidget *widget, if (event->window != pizza->bin_window) return FALSE; - children = pizza->children; - while (children) - { - child = children->data; - children = children->next; + /* We handle all expose events in window.cpp now. */ + if (pizza->external_expose) + return FALSE; - child_event = *event; + (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, 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; +} + +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 ); } - return FALSE; + (* GTK_WIDGET_CLASS (pizza_parent_class)->style_set) (widget, previous_style); } static void @@ -733,7 +616,7 @@ gtk_pizza_add (GtkContainer *container, static void gtk_pizza_remove (GtkContainer *container, - GtkWidget *widget) + GtkWidget *widget) { GtkPizza *pizza; GtkPizzaChild *child; @@ -764,8 +647,6 @@ gtk_pizza_remove (GtkContainer *container, /* security checks */ g_return_if_fail (GTK_IS_WIDGET (widget)); - GTK_PRIVATE_UNSET_FLAG (widget, GTK_IS_OFFSCREEN); - break; } @@ -775,9 +656,9 @@ gtk_pizza_remove (GtkContainer *container, static void gtk_pizza_forall (GtkContainer *container, - gboolean include_internals, - GtkCallback callback, - gpointer callback_data) + gboolean include_internals, + GtkCallback callback, + gpointer callback_data) { GtkPizza *pizza; GtkPizzaChild *child; @@ -785,7 +666,7 @@ 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); @@ -799,45 +680,9 @@ 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) + GtkPizzaChild *child) { GtkAllocation allocation; GtkRequisition requisition; @@ -851,21 +696,6 @@ 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) @@ -913,324 +743,18 @@ 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) -{ - if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED) - { - GdkEventExpose event; - - event.type = GDK_EXPOSE; - event.send_event = TRUE; - event.window = pizza->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 (pizza), (GdkEvent *)&event); - gdk_window_unref (event.window); - } -} - -/* 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) && - (xevent->type == ConfigureNotify))) - return True; - else - return False; -} - -/* 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_pizza_scroll (GtkPizza *pizza, gint dx, gint dy) { - GtkWidget *widget; - XEvent xevent; - - gint x,y,w,h,border; + pizza->xoffset += dx; + pizza->yoffset += dy; - widget = GTK_WIDGET (pizza); - - pizza->xoffset += dx; - pizza->yoffset += dy; - - if (!GTK_WIDGET_MAPPED (pizza)) - { - gtk_pizza_position_children (pizza); - return; - } - - 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; + gtk_pizza_adjust_allocations (pizza, -dx, -dy); - 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 (pizza->bin_window, - w + dx, - h); - gdk_window_move (pizza->bin_window, x-dx, y); - gdk_window_move_resize (pizza->bin_window, x, y, w, h ); - } - else - { - /* FIXME */ - } - - gtk_pizza_expose_area (pizza, - MAX ((gint)w - dx, 0), - 0, - MIN (dx, w), - h); - } - else if (dx < 0) - { - if (gravity_works) - { - gdk_window_move_resize (pizza->bin_window, - x + dx, - y, - w - dx, - h); - gdk_window_move (pizza->bin_window, x, y); - gdk_window_resize (pizza->bin_window, w, h ); - } - else - { - /* FIXME */ - } - - gtk_pizza_expose_area (pizza, - 0, - 0, - MIN (-dx, w), - h); - } - - if (dy > 0) - { - 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 - { - /* FIXME */ - } - - gtk_pizza_expose_area (pizza, - 0, - MAX ((gint)h - dy, 0), - w, - MIN (dy, h)); - } - else if (dy < 0) - { - 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 - { - /* 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))) - { - 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.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); - } - } - } + if (pizza->bin_window) + gdk_window_scroll( pizza->bin_window, -dx, -dy ); } -/* 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_pizza_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data) -{ - XEvent *xevent; - GtkPizza *pizza; - - xevent = (XEvent *)gdk_xevent; - - pizza = GTK_PIZZA (data); - - switch (xevent->type) - { - case Expose: - if (xevent->xexpose.serial == pizza->configure_serial) - { - if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED) - return GDK_FILTER_REMOVE; - else - { - 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; - } - - 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_pizza_main_filter (GdkXEvent *gdk_xevent, - GdkEvent *event, - gpointer data) -{ - XEvent *xevent; - GtkPizza *pizza; - - xevent = (XEvent *)gdk_xevent; - pizza = GTK_PIZZA (data); - - if (xevent->type == VisibilityNotify) - { - switch (xevent->xvisibility.state) - { - case VisibilityFullyObscured: - pizza->visibility = GDK_VISIBILITY_FULLY_OBSCURED; - break; - - case VisibilityPartiallyObscured: - pizza->visibility = GDK_VISIBILITY_PARTIAL; - break; - - case VisibilityUnobscured: - pizza->visibility = GDK_VISIBILITY_UNOBSCURED; - break; - } - - return GDK_FILTER_REMOVE; - } - - return GDK_FILTER_CONTINUE; -} - - - - #ifdef __cplusplus } #endif /* __cplusplus */ -