]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/win_gtk.c
create hatch bitmaps on demand, and dispose of them at termination
[wxWidgets.git] / src / gtk / win_gtk.c
index c62da37523ce9a46409de4b64daacfcd1ddb1182..6eb8b4e1e28aac2cda29d0f5b56dcbfcb9769c4a 100644 (file)
 extern "C" {
 #endif /* __cplusplus */
 
-typedef struct _GtkPizzaAdjData  GtkPizzaAdjData;
+typedef struct _GtkPizzaChild GtkPizzaChild;
+typedef struct _GtkPizzaClass GtkPizzaClass;
 
-struct _GtkPizzaAdjData
+struct _GtkPizzaClass
 {
-    gint dx;
-    gint dy;
+  GtkContainerClass parent_class;
+
+  void  (*set_scroll_adjustments)   (GtkPizza     *pizza,
+                                     GtkAdjustment  *hadjustment,
+                                     GtkAdjustment  *vadjustment);
+};
+
+struct _GtkPizzaChild
+{
+    GtkWidget *widget;
+    gint x;
+    gint y;
 };
 
 static void gtk_pizza_class_init    (GtkPizzaClass    *klass);
@@ -40,8 +51,6 @@ static void gtk_pizza_size_request  (GtkWidget        *widget,
                                      GtkRequisition   *requisition);
 static void gtk_pizza_size_allocate (GtkWidget        *widget,
                                      GtkAllocation    *allocation);
-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,
@@ -55,8 +64,6 @@ static void gtk_pizza_forall        (GtkContainer     *container,
 
 static void     gtk_pizza_allocate_child     (GtkPizza      *pizza,
                                               GtkPizzaChild *child);
-static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
-                                                      gpointer   cb_data);
 
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 
@@ -73,7 +80,7 @@ gtk_pizza_get_type ()
 
     if (!pizza_type)
     {
-        static const GTypeInfo pizza_info =
+        const GTypeInfo pizza_info =
         {
             sizeof (GtkPizzaClass),
             NULL,           /* base_init */
@@ -148,7 +155,6 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     widget_class->unrealize = gtk_pizza_unrealize;
     widget_class->size_request = gtk_pizza_size_request;
     widget_class->size_allocate = gtk_pizza_size_allocate;
-    widget_class->expose_event = gtk_pizza_expose;
     widget_class->style_set = gtk_pizza_style_set;
 
     container_class->add = gtk_pizza_add;
@@ -183,6 +189,7 @@ gtk_pizza_child_type (GtkContainer     *container)
 static void
 gtk_pizza_init (GtkPizza *pizza)
 {
+    GTK_WIDGET_SET_FLAGS (pizza, GTK_CAN_FOCUS);
     GTK_WIDGET_UNSET_FLAGS (pizza, GTK_NO_WINDOW);
 
     pizza->children = NULL;
@@ -199,6 +206,20 @@ gtk_pizza_new ()
     GtkPizza *pizza;
 
     pizza = g_object_new (gtk_pizza_get_type (), NULL);
+    
+    pizza->m_noscroll = FALSE;
+
+    return GTK_WIDGET (pizza);
+}
+
+GtkWidget*
+gtk_pizza_new_no_scroll ()
+{
+    GtkPizza *pizza;
+
+    pizza = g_object_new (gtk_pizza_get_type (), NULL);
+
+    pizza->m_noscroll = TRUE;
 
     return GTK_WIDGET (pizza);
 }
@@ -225,7 +246,7 @@ void       gtk_pizza_set_xoffset     (GtkPizza          *pizza, gint xoffset)
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->m_xoffset = xoffset;
-    // do something
+    /* do something */
 }
 
 void       gtk_pizza_set_yoffset     (GtkPizza          *pizza, gint yoffset)
@@ -234,21 +255,20 @@ void       gtk_pizza_set_yoffset     (GtkPizza          *pizza, gint yoffset)
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->m_xoffset = yoffset;
-    // do something
+    /* do something */
 }
 
 gint       gtk_pizza_get_rtl_offset  (GtkPizza          *pizza)
 {
-    gint width;
     gint border;
 
     g_return_val_if_fail ( (pizza != NULL), 0 );
     g_return_val_if_fail ( (GTK_IS_PIZZA (pizza)), 0 );
-    
+
     if (!pizza->bin_window) return 0;
-    
+
     border = pizza->container.border_width;
-        
+
     return GTK_WIDGET(pizza)->allocation.width - border*2;
 }
 
@@ -280,8 +300,6 @@ gtk_pizza_put (GtkPizza   *pizza,
     child_info->widget = widget;
     child_info->x = x;
     child_info->y = y;
-    child_info->width = width;
-    child_info->height = height;
 
     pizza->children = g_list_append (pizza->children, child_info);
 
@@ -290,8 +308,7 @@ gtk_pizza_put (GtkPizza   *pizza,
 
     gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
 
-    if (GTK_WIDGET_REALIZED (pizza))
-        gtk_pizza_allocate_child (pizza, child_info);
+    gtk_widget_set_size_request( widget, width, height );
 }
 
 void
@@ -327,16 +344,13 @@ gtk_pizza_set_size (GtkPizza   *pizza,
 
         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;
-            
+            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;
@@ -383,6 +397,7 @@ gtk_pizza_realize (GtkWidget *widget)
     GtkPizzaChild *child;
     GList *children;
     int border;
+    int w, h;
 
     g_return_if_fail (widget != NULL);
     g_return_if_fail (GTK_IS_PIZZA (widget));
@@ -397,16 +412,24 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.width = widget->allocation.width;
     attributes.height = widget->allocation.height;
 
-    border = pizza->container.border_width;
-    attributes.x += border;
-    attributes.y += border;
-    attributes.width -= 2 * border;
-    attributes.height -= 2 * border;
-
     /* minimal size */
     if (attributes.width < 2) attributes.width = 2;
     if (attributes.height < 2) attributes.height = 2;
 
+    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);
@@ -419,6 +442,13 @@ gtk_pizza_realize (GtkWidget *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              |
@@ -533,25 +563,38 @@ gtk_pizza_size_allocate (GtkWidget     *widget,
                    (widget->allocation.y == allocation->y));
     widget->allocation = *allocation;
 
-    border = pizza->container.border_width;
-    
-    x = allocation->x + border;
-    y = allocation->y + border;
-    w = allocation->width - border*2;
-    h = allocation->height - border*2;
-    if (w < 0)
-        w = 0;
-    if (h < 0)
-        h = 0;
-
-    if (GTK_WIDGET_REALIZED (widget))
+    if (GTK_WIDGET_REALIZED(widget))
     {
-        if (only_resize)
-            gdk_window_resize( widget->window, w, h );
+        border = pizza->container.border_width;
+
+        x = allocation->x + border;
+        y = allocation->y + border;
+        w = allocation->width - border*2;
+        h = allocation->height - border*2;
+        if (w < 0)
+            w = 0;
+        if (h < 0)
+            h = 0;
+
+        if (pizza->m_noscroll)
+        {
+            if (only_resize)
+                gdk_window_resize( widget->window, allocation->width, allocation->height );
+            else
+                gdk_window_move_resize( widget->window, allocation->x, allocation->y, 
+                                                        allocation->width, allocation->height );
+
+            gdk_window_move_resize( pizza->bin_window, border, border, w, h );
+        }
         else
-            gdk_window_move_resize( widget->window, x, y, w, h );
+        {
+            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 );
+            gdk_window_resize( pizza->bin_window, w, h );
+        }
     }
 
     children = pizza->children;
@@ -564,26 +607,6 @@ gtk_pizza_size_allocate (GtkWidget     *widget,
     }
 }
 
-static gint
-gtk_pizza_expose (GtkWidget      *widget,
-                  GdkEventExpose *event)
-{
-    GtkPizza *pizza;
-
-    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 = (GtkPizza*)widget;
-
-    if (event->window != pizza->bin_window)
-        return FALSE;
-
-    pizza_parent_class->expose_event(widget, event);
-
-    return FALSE;
-}
-
 static void
 gtk_pizza_style_set(GtkWidget *widget, GtkStyle  *previous_style)
 {
@@ -689,75 +712,34 @@ gtk_pizza_allocate_child (GtkPizza      *pizza,
     if (gtk_widget_get_direction( GTK_WIDGET(pizza) ) == GTK_TEXT_DIR_RTL)
     {
         /* reverse horizontal placement */
-        gint offset,border; 
-        
+        gint offset,border;
+
         offset = GTK_WIDGET(pizza)->allocation.width;
         border = pizza->container.border_width;
         offset -= border*2;
-            
-        allocation.x = offset - child->x - allocation.width - pizza->m_xoffset; 
-    }
-    
-    gtk_widget_size_allocate (child->widget, &allocation);
-}
-
-static void
-gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
-                                       gpointer   cb_data)
-{
-    GtkPizzaAdjData *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_pizza_adjust_allocations_recurse,
-                          cb_data);
+        allocation.x = offset - child->x - allocation.width + pizza->m_xoffset;
     }
-}
 
-static void
-gtk_pizza_adjust_allocations (GtkPizza *pizza,
-                               gint       dx,
-                               gint       dy)
-{
-    GList *tmp_list;
-    GtkPizzaAdjData data;
-
-    data.dx = dx;
-    data.dy = dy;
-
-    tmp_list = pizza->children;
-    while (tmp_list)
-    {
-        GtkPizzaChild *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_pizza_adjust_allocations_recurse,
-                                  &data);
-        }
-    }
+    gtk_widget_size_allocate (child->widget, &allocation);
 }
 
 void
 gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {
+    GList *tmp_list;
+    
     pizza->m_xoffset += dx;
     pizza->m_yoffset += dy;
 
-    gtk_pizza_adjust_allocations (pizza, -dx, -dy);
-
     if (pizza->bin_window)
         gdk_window_scroll( pizza->bin_window, -dx, -dy );
+
+    for (tmp_list = pizza->children; tmp_list; tmp_list = tmp_list->next)
+    {
+        GtkPizzaChild *child = tmp_list->data;
+        gtk_widget_queue_resize(child->widget);
+    }
 }
 
 #ifdef __cplusplus