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-rw-r--r--capplets/display/scrollarea.c859
1 files changed, 333 insertions, 526 deletions
diff --git a/capplets/display/scrollarea.c b/capplets/display/scrollarea.c
index e41470d2..2076645c 100644
--- a/capplets/display/scrollarea.c
+++ b/capplets/display/scrollarea.c
@@ -20,7 +20,11 @@
#include "scrollarea.h"
#include "foo-marshal.h"
+#if GTK_CHECK_VERSION (3, 0, 0)
+G_DEFINE_TYPE_WITH_CODE (FooScrollArea, foo_scroll_area, GTK_TYPE_CONTAINER, G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL));
+#else
G_DEFINE_TYPE (FooScrollArea, foo_scroll_area, GTK_TYPE_CONTAINER);
+#endif
static GtkWidgetClass *parent_class;
@@ -28,29 +32,6 @@ typedef struct BackingStore BackingStore;
typedef void (* ExposeFunc) (cairo_t *cr, GdkRegion *region, gpointer data);
-#if 0
-static void backing_store_draw (BackingStore *store,
- GdkDrawable *dest,
- GdkRegion *clip,
- int dest_x,
- int dest_y);
-static void backing_store_scroll (BackingStore *store,
- int dx, int dy);
-static void backing_store_invalidate_rect (BackingStore *store,
- GdkRectangle *rect);
-static void backing_store_invalidate_region (BackingStore *store,
- GdkRegion *region);
-static void backing_store_invalidate_all (BackingStore *store);
-static BackingStore *backing_store_new (GdkWindow *window,
- int width, int height);
-static void backing_store_resize (BackingStore *store,
- int width, int height);
-static void backing_store_process_updates (BackingStore *store,
- ExposeFunc func,
- gpointer data);
-static void backing_store_free (BackingStore *store);
-#endif
-
typedef struct InputPath InputPath;
typedef struct InputRegion InputRegion;
typedef struct AutoScrollInfo AutoScrollInfo;
@@ -96,6 +77,10 @@ struct FooScrollAreaPrivate
GtkAdjustment *hadj;
GtkAdjustment *vadj;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ GtkScrollablePolicy hscroll_policy;
+ GtkScrollablePolicy vscroll_policy;
+#endif
int x_offset;
int y_offset;
@@ -111,14 +96,20 @@ struct FooScrollAreaPrivate
*
* It is used for clipping of input areas
*/
+#if !GTK_CHECK_VERSION (3, 0, 0)
GdkRegion *expose_region;
+#endif
InputRegion *current_input;
gboolean grabbed;
FooScrollAreaEventFunc grab_func;
gpointer grab_data;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cairo_surface_t *surface;
+#else
GdkPixmap *pixmap;
+#endif
GdkRegion *update_region; /* In canvas coordinates */
};
@@ -130,17 +121,48 @@ enum
LAST_SIGNAL,
};
+#if GTK_CHECK_VERSION (3, 0, 0)
+enum {
+ PROP_0,
+ PROP_VADJUSTMENT,
+ PROP_HADJUSTMENT,
+ PROP_HSCROLL_POLICY,
+ PROP_VSCROLL_POLICY
+};
+#endif
+
static guint signals [LAST_SIGNAL] = { 0 };
+#if GTK_CHECK_VERSION (3, 0, 0)
+static void foo_scroll_area_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural);
+static void foo_scroll_area_get_preferred_height (GtkWidget *widget,
+ gint *minimum,
+ gint *natural);
+#else
static void foo_scroll_area_size_request (GtkWidget *widget,
GtkRequisition *requisition);
+#endif
+#if GTK_CHECK_VERSION (3, 0, 0)
+static gboolean foo_scroll_area_draw (GtkWidget *widget,
+ cairo_t *cr);
+#else
static gboolean foo_scroll_area_expose (GtkWidget *widget,
GdkEventExpose *expose);
+#endif
static void foo_scroll_area_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
+#if GTK_CHECK_VERSION (3, 0, 0)
+static void foo_scroll_area_set_hadjustment (FooScrollArea *scroll_area,
+ GtkAdjustment *hadjustment);
+static void foo_scroll_area_set_vadjustment (FooScrollArea *scroll_area,
+ GtkAdjustment *vadjustment);
+#else
static void foo_scroll_area_set_scroll_adjustments (FooScrollArea *scroll_area,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment);
+#endif
static void foo_scroll_area_realize (GtkWidget *widget);
static void foo_scroll_area_unrealize (GtkWidget *widget);
static void foo_scroll_area_map (GtkWidget *widget);
@@ -189,6 +211,60 @@ foo_scroll_area_finalize (GObject *object)
G_OBJECT_CLASS (foo_scroll_area_parent_class)->finalize (object);
}
+#if GTK_CHECK_VERSION (3, 0, 0)
+static void
+foo_scroll_area_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ FooScrollArea *scroll_area = FOO_SCROLL_AREA (object);
+
+ switch (property_id)
+ {
+ case PROP_VADJUSTMENT:
+ g_value_set_object (value, &scroll_area->priv->vadj);
+ break;
+ case PROP_HADJUSTMENT:
+ g_value_set_object (value, &scroll_area->priv->hadj);
+ break;
+ case PROP_HSCROLL_POLICY:
+ g_value_set_enum (value, scroll_area->priv->hscroll_policy);
+ break;
+ case PROP_VSCROLL_POLICY:
+ g_value_set_enum (value, scroll_area->priv->vscroll_policy);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+
+static void
+foo_scroll_area_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ FooScrollArea *scroll_area = FOO_SCROLL_AREA (object);
+ switch (property_id) {
+ case PROP_VADJUSTMENT:
+ foo_scroll_area_set_vadjustment (FOO_SCROLL_AREA (object), g_value_get_object (value));
+ break;
+ case PROP_HADJUSTMENT:
+ foo_scroll_area_set_hadjustment (FOO_SCROLL_AREA (object), g_value_get_object (value));
+ break;
+ case PROP_HSCROLL_POLICY:
+ scroll_area->priv->hscroll_policy = g_value_get_enum (value);
+ break;
+ case PROP_VSCROLL_POLICY:
+ scroll_area->priv->vscroll_policy = g_value_get_enum (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ }
+}
+#endif
+
static void
foo_scroll_area_class_init (FooScrollAreaClass *class)
{
@@ -196,8 +272,16 @@ foo_scroll_area_class_init (FooScrollAreaClass *class)
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
object_class->finalize = foo_scroll_area_finalize;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ object_class->set_property = foo_scroll_area_set_property;
+ object_class->get_property = foo_scroll_area_get_property;
+ widget_class->draw = foo_scroll_area_draw;
+ widget_class->get_preferred_width = foo_scroll_area_get_preferred_width;
+ widget_class->get_preferred_height = foo_scroll_area_get_preferred_height;
+#else
widget_class->size_request = foo_scroll_area_size_request;
widget_class->expose_event = foo_scroll_area_expose;
+#endif
widget_class->size_allocate = foo_scroll_area_size_allocate;
widget_class->realize = foo_scroll_area_realize;
widget_class->unrealize = foo_scroll_area_unrealize;
@@ -206,11 +290,21 @@ foo_scroll_area_class_init (FooScrollAreaClass *class)
widget_class->motion_notify_event = foo_scroll_area_motion;
widget_class->map = foo_scroll_area_map;
widget_class->unmap = foo_scroll_area_unmap;
-
+
+#if !GTK_CHECK_VERSION (3, 0, 0)
class->set_scroll_adjustments = foo_scroll_area_set_scroll_adjustments;
-
+#endif
+
parent_class = g_type_class_peek_parent (class);
-
+
+#if GTK_CHECK_VERSION (3, 0, 0)
+ /* Scrollable interface properties */
+ g_object_class_override_property (object_class, PROP_HADJUSTMENT, "hadjustment");
+ g_object_class_override_property (object_class, PROP_VADJUSTMENT, "vadjustment");
+ g_object_class_override_property (object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
+ g_object_class_override_property (object_class, PROP_VSCROLL_POLICY, "vscroll-policy");
+#endif
+
signals[VIEWPORT_CHANGED] =
g_signal_new ("viewport_changed",
G_OBJECT_CLASS_TYPE (object_class),
@@ -235,7 +329,8 @@ foo_scroll_area_class_init (FooScrollAreaClass *class)
G_TYPE_POINTER,
GDK_TYPE_RECTANGLE,
G_TYPE_POINTER);
-
+
+#if !GTK_CHECK_VERSION (3, 0, 0)
widget_class->set_scroll_adjustments_signal =
g_signal_new ("set_scroll_adjustments",
G_OBJECT_CLASS_TYPE (object_class),
@@ -247,6 +342,7 @@ foo_scroll_area_class_init (FooScrollAreaClass *class)
G_TYPE_NONE, 2,
GTK_TYPE_ADJUSTMENT,
GTK_TYPE_ADJUSTMENT);
+#endif
}
static GtkAdjustment *
@@ -272,16 +368,28 @@ foo_scroll_area_init (FooScrollArea *scroll_area)
scroll_area->priv->vadj = g_object_ref_sink (new_adjustment());
scroll_area->priv->x_offset = 0.0;
scroll_area->priv->y_offset = 0.0;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ scroll_area->priv->min_width = 0;
+ scroll_area->priv->min_height = 0;
+#else
scroll_area->priv->min_width = -1;
scroll_area->priv->min_height = -1;
+#endif
scroll_area->priv->auto_scroll_info = NULL;
scroll_area->priv->input_regions = g_ptr_array_new ();
+#if GTK_CHECK_VERSION (3, 0, 0)
+ scroll_area->priv->surface = NULL;
+#else
scroll_area->priv->pixmap = NULL;
+#endif
scroll_area->priv->update_region = gdk_region_new ();
+#if !GTK_CHECK_VERSION (3, 0, 0)
gtk_widget_set_double_buffered (widget, FALSE);
+#endif
}
+#if !GTK_CHECK_VERSION (3, 0, 0)
static void
translate_cairo_device (cairo_t *cr,
int x_offset,
@@ -296,25 +404,6 @@ translate_cairo_device (cairo_t *cr,
dev_y += y_offset;
cairo_surface_set_device_offset (surface, dev_x, dev_y);
}
-
-#if 0
-static void
-print_region (const char *header, GdkRegion *region)
-{
- GdkRectangle *rects;
- int n_rects;
- int i;
-
- g_print ("%s\n", header);
-
- gdk_region_get_rectangles (region, &rects, &n_rects);
- for (i = 0; i < n_rects; ++i)
- {
- GdkRectangle *rect = &(rects[i]);
- g_print (" %d %d %d %d\n",
- rect->x, rect->y, rect->width, rect->height);
- }
-}
#endif
typedef void (* PathForeachFunc) (double *x,
@@ -356,45 +445,6 @@ typedef struct
double x1, y1, x2, y2;
} Box;
-#if 0
-static void
-update_box (double *x, double *y, gpointer data)
-{
- Box *box = data;
-
- if (*x < box->x1)
- box->x1 = *x;
-
- if (*y < box->y1)
- box->y1 = *y;
-
- if (*y > box->y2)
- box->y2 = *y;
-
- if (*x > box->x2)
- box->x2 = *x;
-}
-#endif
-
-#if 0
-static void
-path_compute_extents (cairo_path_t *path,
- GdkRectangle *rect)
-{
- if (rect)
- {
- Box box = { G_MAXDOUBLE, G_MAXDOUBLE, G_MINDOUBLE, G_MINDOUBLE };
-
- path_foreach_point (path, update_box, &box);
-
- rect->x = box.x1;
- rect->y = box.y1;
- rect->width = box.x2 - box.x1;
- rect->height = box.y2 - box.y1;
- }
-}
-#endif
-
static void
input_path_free_list (InputPath *paths)
{
@@ -468,30 +518,6 @@ clear_exposed_input_region (FooScrollArea *area,
}
gdk_region_destroy (viewport);
-
-#if 0
- path = region->paths;
- while (path != NULL)
- {
- GdkRectangle rect;
-
- path_compute_extents (path->path, &rect);
-
- if (gdk_region_rect_in (area->priv->expose_region, &rect) == GDK_OVERLAP_RECTANGLE_IN)
- g_print ("we would have deleted it\n");
-#if 0
- else
- g_print ("nope (%d %d %d %d)\n", );
-#endif
-
- path = path->next;
- }
-
- /* FIXME: we should also delete paths (and path segments)
- * completely contained in the expose_region
- */
- }
-#endif
}
static void
@@ -500,6 +526,25 @@ setup_background_cr (GdkWindow *window,
int x_offset,
int y_offset)
{
+#if GTK_CHECK_VERSION (3, 0, 0)
+ GdkWindow *parent = gdk_window_get_parent (window);
+ cairo_pattern_t *bg_pattern;
+
+ bg_pattern = gdk_window_get_background_pattern (window);
+ if (bg_pattern == NULL && parent)
+ {
+ gint window_x, window_y;
+
+ gdk_window_get_position (window, &window_x, &window_y);
+ setup_background_cr (parent, cr, x_offset + window_x, y_offset + window_y);
+ }
+ else if (bg_pattern)
+ {
+ cairo_translate (cr, - x_offset, - y_offset);
+ cairo_set_source (cr, bg_pattern);
+ cairo_translate (cr, x_offset, y_offset);
+ }
+#else
GdkWindowObject *private = (GdkWindowObject *)window;
if (private->bg_pixmap == GDK_PARENT_RELATIVE_BG && private->parent)
@@ -519,6 +564,7 @@ setup_background_cr (GdkWindow *window,
{
gdk_cairo_set_source_color (cr, &private->bg_color);
}
+#endif
}
static void
@@ -530,6 +576,7 @@ initialize_background (GtkWidget *widget,
cairo_paint (cr);
}
+#if GTK_CHECK_VERSION (3, 0, 0)
static void
clip_to_region (cairo_t *cr, GdkRegion *region)
{
@@ -549,7 +596,9 @@ clip_to_region (cairo_t *cr, GdkRegion *region)
g_free (rects);
}
+#endif
+#if !GTK_CHECK_VERSION (3, 0, 0)
static void
simple_draw_drawable (GdkDrawable *dst,
GdkDrawable *src,
@@ -566,23 +615,33 @@ simple_draw_drawable (GdkDrawable *dst,
g_object_unref (gc);
}
+#endif
static gboolean
+#if GTK_CHECK_VERSION (3, 0, 0)
+foo_scroll_area_draw (GtkWidget *widget,
+ cairo_t *cr)
+#else
foo_scroll_area_expose (GtkWidget *widget,
GdkEventExpose *expose)
+#endif
{
FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
+#if !GTK_CHECK_VERSION (3, 0, 0)
cairo_t *cr;
+ GdkGC *gc;
GdkRectangle extents;
+ GdkWindow *window = gtk_widget_get_window (widget);
+#endif
GdkRegion *region;
int x_offset, y_offset;
- GdkGC *gc;
GtkAllocation widget_allocation;
- GdkWindow *window = gtk_widget_get_window (widget);
+#if !GTK_CHECK_VERSION (3, 0, 0)
/* I don't think expose can ever recurse for the same area */
g_assert (!scroll_area->priv->expose_region);
-
+#endif
+
/* Note that this function can be called at a time
* where the adj->value is different from x_offset.
* Ie., the GtkScrolledWindow changed the adj->value
@@ -595,8 +654,10 @@ foo_scroll_area_expose (GtkWidget *widget,
x_offset = scroll_area->priv->x_offset;
y_offset = scroll_area->priv->y_offset;
-
+
+#if !GTK_CHECK_VERSION (3, 0, 0)
scroll_area->priv->expose_region = expose->region;
+#endif
/* Setup input areas */
clear_exposed_input_region (scroll_area, scroll_area->priv->update_region);
@@ -611,23 +672,39 @@ foo_scroll_area_expose (GtkWidget *widget,
scroll_area->priv->update_region = gdk_region_new ();
/* Create cairo context */
+#if !GTK_CHECK_VERSION (3, 0, 0)
cr = gdk_cairo_create (scroll_area->priv->pixmap);
translate_cairo_device (cr, -x_offset, -y_offset);
clip_to_region (cr, region);
+#endif
initialize_background (widget, cr);
+#if !GTK_CHECK_VERSION (3, 0, 0)
/* Create regions */
gdk_region_get_clipbox (region, &extents);
+#endif
+#if GTK_CHECK_VERSION (3, 0, 0)
+ g_signal_emit (widget, signals[PAINT], 0, cr);
+#else
g_signal_emit (widget, signals[PAINT], 0, cr, &extents, region);
+#endif
+#if !GTK_CHECK_VERSION (3, 0, 0)
/* Destroy stuff */
cairo_destroy (cr);
-
+#endif
+
+#if !GTK_CHECK_VERSION (3, 0, 0)
scroll_area->priv->expose_region = NULL;
+#endif
scroll_area->priv->current_input = NULL;
/* Finally draw the backing pixmap */
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cairo_set_source_surface (cr, scroll_area->priv->surface, widget_allocation.x, widget_allocation.y);
+ cairo_paint (cr);
+#else
gc = gdk_gc_new (window);
gdk_gc_set_clip_region (gc, expose->region);
@@ -638,6 +715,7 @@ foo_scroll_area_expose (GtkWidget *widget,
widget_allocation.width, widget_allocation.height);
g_object_unref (gc);
+#endif
gdk_region_destroy (region);
return TRUE;
@@ -669,12 +747,12 @@ emit_viewport_changed (FooScrollArea *scroll_area,
int px, py;
g_signal_emit (scroll_area, signals[VIEWPORT_CHANGED], 0,
new_viewport, old_viewport);
-
- gdk_window_get_pointer (scroll_area->priv->input_window, &px, &py, NULL);
-
-#if 0
- g_print ("procc\n");
+
+#if GTK_CHECK_VERSION (3, 0, 0)
+ if (scroll_area->priv->input_window == NULL)
+ return;
#endif
+ gdk_window_get_pointer (scroll_area->priv->input_window, &px, &py, NULL);
process_event (scroll_area, FOO_MOTION, px, py);
}
@@ -733,6 +811,9 @@ foo_scroll_area_realize (GtkWidget *widget)
GtkAllocation widget_allocation;
GdkWindow *window;
gint attributes_mask;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cairo_t *cr;
+#endif
gtk_widget_get_allocation (widget, &widget_allocation);
gtk_widget_set_realized (widget, TRUE);
@@ -761,10 +842,17 @@ foo_scroll_area_realize (GtkWidget *widget)
area->priv->input_window = gdk_window_new (window,
&attributes, attributes_mask);
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cr = gdk_cairo_create (gtk_widget_get_window (widget));
+ area->priv->surface = cairo_surface_create_similar (cairo_get_target (cr), CAIRO_CONTENT_COLOR,
+ widget_allocation.width, widget_allocation.height);
+ cairo_destroy (cr);
+#else
area->priv->pixmap = gdk_pixmap_new (window,
widget_allocation.width,
widget_allocation.height,
-1);
+#endif
gdk_window_set_user_data (area->priv->input_window, area);
gtk_widget_style_attach (widget);
@@ -785,18 +873,38 @@ foo_scroll_area_unrealize (GtkWidget *widget)
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
}
+#if GTK_CHECK_VERSION (3, 0, 0)
+static cairo_surface_t *
+create_new_surface (GtkWidget *widget,
+ cairo_surface_t *old)
+#else
static GdkPixmap *
create_new_pixmap (GtkWidget *widget,
GdkPixmap *old)
+#endif
{
GtkAllocation widget_allocation;
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cairo_t *cr;
+ cairo_surface_t *new;
+#else
GdkPixmap *new;
+#endif
gtk_widget_get_allocation (widget, &widget_allocation);
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cr = gdk_cairo_create (gtk_widget_get_window (widget));
+ new = cairo_surface_create_similar (cairo_get_target (cr),
+ CAIRO_CONTENT_COLOR,
+ widget_allocation.width,
+ widget_allocation.height);
+ cairo_destroy (cr);
+#else
new = gdk_pixmap_new (gtk_widget_get_window (widget),
widget_allocation.width,
widget_allocation.height,
-1);
+#endif
/* Unfortunately we don't know in which direction we were resized,
* so we just assume we were dragged from the south-east corner.
@@ -805,18 +913,40 @@ create_new_pixmap (GtkWidget *widget,
* That might just work, actually. We need to make sure marco uses
* static gravity for the window before this will be useful.
*/
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cr = cairo_create (new);
+ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_surface (cr, old, 0, 0);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+#else
simple_draw_drawable (new, old, 0, 0, 0, 0, -1, -1);
+#endif
return new;
}
-
+
static void
allocation_to_canvas_region (FooScrollArea *area,
GdkRegion *region)
{
gdk_region_offset (region, area->priv->x_offset, area->priv->y_offset);
}
-
+
+#if GTK_CHECK_VERSION (3, 0, 0)
+static void
+_cairo_region_xor (cairo_region_t *dst, const cairo_region_t *src)
+{
+ cairo_region_t *trb;
+
+ trb = cairo_region_copy (src);
+
+ cairo_region_subtract (trb, dst);
+ cairo_region_subtract (dst, src);
+ cairo_region_union (dst, trb);
+ cairo_region_destroy (trb);
+}
+#endif
static void
foo_scroll_area_size_allocate (GtkWidget *widget,
@@ -837,7 +967,11 @@ foo_scroll_area_size_allocate (GtkWidget *widget,
-widget_allocation.x, -widget_allocation.y);
invalid = gdk_region_rectangle (allocation);
gdk_region_offset (invalid, -allocation->x, -allocation->y);
+#if GTK_CHECK_VERSION (3, 0, 0)
+ _cairo_region_xor (invalid, old_allocation);
+#else
gdk_region_xor (invalid, old_allocation);
+#endif
allocation_to_canvas_region (scroll_area, invalid);
foo_scroll_area_invalidate_region (scroll_area, invalid);
gdk_region_destroy (old_allocation);
@@ -847,17 +981,25 @@ foo_scroll_area_size_allocate (GtkWidget *widget,
if (scroll_area->priv->input_window)
{
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cairo_surface_t *new_surface;
+#else
GdkPixmap *new_pixmap;
-
+#endif
+
gdk_window_move_resize (scroll_area->priv->input_window,
allocation->x, allocation->y,
allocation->width, allocation->height);
+#if GTK_CHECK_VERSION (3, 0, 0)
+ new_surface = create_new_surface (widget, scroll_area->priv->surface);
+ cairo_surface_destroy (scroll_area->priv->surface);
+ scroll_area->priv->surface = new_surface;
+#else
new_pixmap = create_new_pixmap (widget, scroll_area->priv->pixmap);
-
g_object_unref (scroll_area->priv->pixmap);
-
scroll_area->priv->pixmap = new_pixmap;
+#endif
}
get_viewport (scroll_area, &new_viewport);
@@ -881,11 +1023,6 @@ emit_input (FooScrollArea *scroll_area,
if (type != FOO_MOTION)
emit_input (scroll_area, FOO_MOTION, x, y, func, data);
-#if 0
- x += scroll_area->priv->x_offset;
- y += scroll_area->priv->y_offset;
-#endif
-
event.type = type;
event.x = x;
event.y = y;
@@ -893,42 +1030,6 @@ emit_input (FooScrollArea *scroll_area,
func (scroll_area, &event, data);
}
-#if 0
-static void
-print_path (const char *header,
- cairo_path_t *path)
-{
- int i;
-
- g_print ("%s\n", header);
-
- for (i=0; i < path->num_data; i += path->data[i].header.length)
- {
- cairo_path_data_t *data = &(path->data[i]);
-
- switch (data->header.type)
- {
- case CAIRO_PATH_MOVE_TO:
- g_print ("move to: %f, %f\n", data[1].point.x, data[1].point.y);
- break;
-
- case CAIRO_PATH_LINE_TO:
- g_print ("line to: %f, %f\n", data[1].point.x, data[1].point.y);
- break;
-
- case CAIRO_PATH_CURVE_TO:
- g_print ("curve to: %f, %f\n", data[1].point.x, data[1].point.y);
- g_print (" %f, %f\n", data[1].point.x, data[1].point.y);
- g_print (" %f, %f\n", data[1].point.x, data[1].point.y);
- break;
-
- case CAIRO_PATH_CLOSE_PATH:
- break;
- }
- }
-}
-#endif
-
static void
process_event (FooScrollArea *scroll_area,
FooScrollAreaEventType input_type,
@@ -948,25 +1049,10 @@ process_event (FooScrollArea *scroll_area,
return;
}
-
-#if 0
- x += widget->allocation.x;
- y += widget->allocation.y;
-#endif
-
-#if 0
- g_print ("number of input regions: %d\n", scroll_area->priv->input_regions->len);
-#endif
-
for (i = 0; i < scroll_area->priv->input_regions->len; ++i)
{
InputRegion *region = scroll_area->priv->input_regions->pdata[i];
-#if 0
- g_print ("%d ", i);
- print_region ("region:", region->region);
-#endif
-
if (gdk_region_point_in (region->region, x, y))
{
InputPath *path;
@@ -1072,10 +1158,7 @@ foo_scroll_area_set_size_fixed_y (FooScrollArea *scroll_area,
{
scroll_area->priv->width = width;
scroll_area->priv->height = height;
-
-#if 0
- g_print ("diff: %d\n", new_y - old_y);
-#endif
+
g_object_thaw_notify (G_OBJECT (scroll_area->priv->vadj));
gtk_adjustment_set_value (scroll_area->priv->vadj, new_y);
@@ -1111,87 +1194,45 @@ foo_scroll_area_set_size (FooScrollArea *scroll_area,
set_adjustment_values (scroll_area);
}
+#if GTK_CHECK_VERSION (3, 0, 0)
static void
-foo_scroll_area_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
+foo_scroll_area_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
{
FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
-
- requisition->width = scroll_area->priv->min_width;
- requisition->height = scroll_area->priv->min_height;
-
-#if 0
- g_print ("request %d %d\n", requisition->width, requisition->height);
-#endif
-}
-
-#if 0
-static void
-translate_point (double *x, double *y, gpointer data)
-{
- int *translation = data;
- *x += translation[0];
- *y += translation[1];
-}
-#endif
-
-#if 0
-static void
-path_translate (cairo_path_t *path,
- int dx,
- int dy)
-{
- int translation[2] = {dx, dy};
-
- path_foreach_point (path, translate_point, translation);
+ if (minimum != NULL) {
+ *minimum = scroll_area->priv->min_width;
+ }
+ if (natural != NULL) {
+ *natural = scroll_area->priv->min_width;
+ }
}
-#endif
static void
-translate_input_regions (FooScrollArea *scroll_area,
- int dx,
- int dy)
+foo_scroll_area_get_preferred_height (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
{
-#if 0
- int i;
-
- for (i = 0; i < scroll_area->priv->input_regions->len; ++i)
- {
- InputRegion *region = scroll_area->priv->input_regions->pdata[i];
- InputPath *path;
-
- gdk_region_offset (region->region, dx, dy);
+ FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
- path = region->paths;
- while (path != NULL)
- {
- path_translate (path->path, dx, dy);
- path = path->next;
- }
+ if (minimum != NULL) {
+ *minimum = scroll_area->priv->min_height;
+ }
+ if (natural != NULL) {
+ *natural = scroll_area->priv->min_height;
}
-#endif
}
-
-#if 0
+#else
static void
-paint_region (FooScrollArea *area, GdkRegion *region)
+foo_scroll_area_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
{
- int n_rects;
- GdkRectangle *rects;
- region = gdk_region_copy (region);
+ FooScrollArea *scroll_area = FOO_SCROLL_AREA (widget);
- gdk_region_get_rectangles (region, &rects, &n_rects);
-
- gdk_region_offset (region,
- GTK_WIDGET (area)->allocation.x,
- GTK_WIDGET (area)->allocation.y);
-
- GdkGC *gc = gdk_gc_new (GTK_WIDGET (area)->window);
- gdk_gc_set_clip_region (gc, region);
- gdk_draw_rectangle (GTK_WIDGET (area)->window, gc, TRUE, 0, 0, -1, -1);
- g_object_unref (gc);
- g_free (rects);
+ requisition->width = scroll_area->priv->min_width;
+ requisition->height = scroll_area->priv->min_height;
}
#endif
@@ -1219,17 +1260,31 @@ foo_scroll_area_scroll (FooScrollArea *area,
{
GdkRegion *move_region;
-#if 0
- g_print ("scrolling %d %d %d %d (%d %d)\n",
- move_area.x, move_area.y,
- move_area.width, move_area.height,
- dx, dy);
-#endif
-
+#if GTK_CHECK_VERSION (3, 0, 0)
+ cairo_t *cr = cairo_create (area->priv->surface);
+
+ /* Cairo doesn't allow self-copies, so we do this little trick instead:
+ * 1) Clip so the group size is small.
+ * 2) Call push_group() which creates a temporary pixmap as a workaround
+ */
+ gdk_cairo_rectangle (cr, &move_area);
+ cairo_clip (cr);
+ cairo_push_group (cr);
+
+ cairo_set_source_surface (cr, area->priv->surface, dx, dy);
+ gdk_cairo_rectangle (cr, &move_area);
+ cairo_fill (cr);
+
+ cairo_pop_group_to_source (cr);
+ cairo_paint (cr);
+
+ cairo_destroy (cr);
+#else
simple_draw_drawable (area->priv->pixmap, area->priv->pixmap,
move_area.x, move_area.y,
move_area.x + dx, move_area.y + dy,
move_area.width, move_area.height);
+#endif
gtk_widget_queue_draw (GTK_WIDGET (area));
move_region = gdk_region_rectangle (&move_area);
@@ -1237,10 +1292,6 @@ foo_scroll_area_scroll (FooScrollArea *area,
gdk_region_subtract (invalid_region, move_region);
gdk_region_destroy (move_region);
}
-
-#if 0
- paint_region (area, invalid_region);
-#endif
allocation_to_canvas_region (area, invalid_region);
@@ -1281,15 +1332,6 @@ foo_scrollbar_adjustment_changed (GtkAdjustment *adj,
if (gtk_widget_get_realized (widget))
{
foo_scroll_area_scroll (scroll_area, -dx, -dy);
-
-#if 0
- window_scroll_area (widget->window, &widget->allocation, -dx, -dy);
-#endif
- translate_input_regions (scroll_area, -dx, -dy);
-
-#if 0
- gdk_window_process_updates (widget->window, TRUE);
-#endif
}
get_viewport (scroll_area, &new_viewport);
@@ -1329,6 +1371,25 @@ set_one_adjustment (FooScrollArea *scroll_area,
scroll_area);
}
+#if GTK_CHECK_VERSION (3, 0, 0)
+static void
+foo_scroll_area_set_hadjustment (FooScrollArea *scroll_area,
+ GtkAdjustment *hadjustment)
+{
+ set_one_adjustment (scroll_area, hadjustment, &scroll_area->priv->hadj);
+
+ set_adjustment_values (scroll_area);
+}
+
+static void
+foo_scroll_area_set_vadjustment (FooScrollArea *scroll_area,
+ GtkAdjustment *vadjustment)
+{
+ set_one_adjustment (scroll_area, vadjustment, &scroll_area->priv->vadj);
+
+ set_adjustment_values (scroll_area);
+}
+#else
static void
foo_scroll_area_set_scroll_adjustments (FooScrollArea *scroll_area,
GtkAdjustment *hadjustment,
@@ -1339,6 +1400,7 @@ foo_scroll_area_set_scroll_adjustments (FooScrollArea *scroll_area,
set_adjustment_values (scroll_area);
}
+#endif
FooScrollArea *
foo_scroll_area_new (void)
@@ -1363,22 +1425,6 @@ foo_scroll_area_set_min_size (FooScrollArea *scroll_area,
gtk_widget_queue_resize (GTK_WIDGET (scroll_area));
}
-#if 0
-static void
-warn_about_adding_input_outside_expose (const char *func)
-{
- static gboolean warned = FALSE;
-
- if (!warned)
- {
- g_warning ("%s() can only be called "
- "from the paint handler for the FooScrollArea\n", func);
-
- warned = TRUE;
- }
-}
-#endif
-
static void
user_to_device (double *x, double *y,
gpointer data)
@@ -1582,9 +1628,6 @@ rect_contains (const GdkRectangle *rect, int x, int y)
static void
stop_scrolling (FooScrollArea *area)
{
-#if 0
- g_print ("stop scrolling\n");
-#endif
if (area->priv->auto_scroll_info)
{
g_source_remove (area->priv->auto_scroll_info->timeout_id);
@@ -1601,54 +1644,20 @@ scroll_idle (gpointer data)
GdkRectangle viewport, new_viewport;
FooScrollArea *area = data;
AutoScrollInfo *info = area->priv->auto_scroll_info;
-#if 0
- int dx, dy;
-#endif
int new_x, new_y;
double elapsed;
get_viewport (area, &viewport);
-
-#if 0
- g_print ("old info: %d %d\n", info->dx, info->dy);
-
- g_print ("timeout (%d %d)\n", dx, dy);
-#endif
-
-#if 0
- viewport.x += info->dx;
- viewport.y += info->dy;
-#endif
-
-#if 0
- g_print ("new info %d %d\n", info->dx, info->dy);
-#endif
elapsed = g_timer_elapsed (info->timer, NULL);
info->res_x = elapsed * info->dx / 0.2;
info->res_y = elapsed * info->dy / 0.2;
-
-#if 0
- g_print ("%f %f\n", info->res_x, info->res_y);
-#endif
new_x = viewport.x + info->res_x;
new_y = viewport.y + info->res_y;
-#if 0
- g_print ("%f\n", elapsed * (info->dx / 0.2));
-#endif
-
-#if 0
- g_print ("new_x, new_y\n: %d %d\n", new_x, new_y);
-#endif
-
foo_scroll_area_set_viewport_pos (area, new_x, new_y);
-#if 0
- viewport.x + info->dx,
- viewport.y + info->dy);
-#endif
get_viewport (area, &new_viewport);
@@ -1675,23 +1684,12 @@ ensure_scrolling (FooScrollArea *area,
{
if (!area->priv->auto_scroll_info)
{
-#if 0
- g_print ("start scrolling\n");
-#endif
area->priv->auto_scroll_info = g_new0 (AutoScrollInfo, 1);
area->priv->auto_scroll_info->timeout_id =
g_idle_add (scroll_idle, area);
area->priv->auto_scroll_info->timer = g_timer_new ();
}
-#if 0
- g_print ("setting scrolling to %d %d\n", dx, dy);
-#endif
-
-#if 0
- g_print ("dx, dy: %d %d\n", dx, dy);
-#endif
-
area->priv->auto_scroll_info->dx = dx;
area->priv->auto_scroll_info->dy = dy;
}
@@ -1735,10 +1733,6 @@ foo_scroll_area_auto_scroll (FooScrollArea *scroll_area,
dx = event->x - (viewport.x + viewport.width - 1);
dx = MAX (dx - 2, 0);
}
-
-#if 0
- g_print ("dx, dy: %d %d\n", dx, dy);
-#endif
ensure_scrolling (scroll_area, dx, dy);
}
@@ -1755,190 +1749,3 @@ foo_scroll_area_end_auto_scroll (FooScrollArea *scroll_area)
{
stop_scrolling (scroll_area);
}
-
-
-
-#if 0
-/*
- * Backing Store
- */
-struct BackingStore
-{
- GdkPixmap *pixmap;
- GdkRegion *update_region;
- int width;
- int height;
-};
-
-static BackingStore *
-backing_store_new (GdkWindow *window,
- int width, int height)
-{
- BackingStore *store = g_new0 (BackingStore, 1);
- GdkRectangle rect = { 0, 0, width, height };
-
- store->pixmap = gdk_pixmap_new (window, width, height, -1);
- store->update_region = gdk_region_rectangle (&rect);
- store->width = width;
- store->height = height;
-
- return store;
-}
-
-static void
-backing_store_free (BackingStore *store)
-{
- g_object_unref (store->pixmap);
- gdk_region_destroy (store->update_region);
- g_free (store);
-}
-
-static void
-backing_store_draw (BackingStore *store,
- GdkDrawable *dest,
- GdkRegion *clip,
- int x,
- int y)
-{
- GdkGC *gc = gdk_gc_new (dest);
-
- gdk_gc_set_clip_region (gc, clip);
-
- gdk_draw_drawable (dest, gc, store->pixmap,
- 0, 0, x, y, store->width, store->height);
-
- g_object_unref (gc);
-}
-
-static void
-backing_store_scroll (BackingStore *store,
- int dx,
- int dy)
-{
- GdkGC *gc = gdk_gc_new (store->pixmap);
- GdkRectangle rect;
-
- gdk_draw_drawable (store->pixmap, gc, store->pixmap,
- 0, 0, dx, dy,
- store->width, store->height);
-
- /* Invalidate vertically */
- rect.x = 0;
- rect.width = store->width;
-
- if (dy > 0)
- {
- rect.y = 0;
- rect.height = dy;
- }
- else
- {
- rect.y = store->height + dy;
- rect.y = -dy;
- }
-
- gdk_region_union_with_rect (store->update_region, &rect);
-
- /* Invalidate horizontally */
- rect.y = 0;
- rect.height = store->height;
-
- if (dx > 0)
- {
- rect.x = 0;
- rect.width = dx;
- }
- else
- {
- rect.x = store->width + dx;
- rect.width = -dx;
- }
-
- gdk_region_union_with_rect (store->update_region, &rect);
-}
-
-static void
-backing_store_invalidate_rect (BackingStore *store,
- GdkRectangle *rect)
-{
- gdk_region_union_with_rect (store->update_region, rect);
-}
-
-static void
-backing_store_invalidate_region (BackingStore *store,
- GdkRegion *region)
-{
- gdk_region_union (store->update_region, region);
-}
-
-static void
-backing_store_invalidate_all (BackingStore *store)
-{
- GdkRectangle rect = { 0, 0, store->width, store->height };
- gdk_region_destroy (store->update_region);
- store->update_region = gdk_region_rectangle (&rect);
-}
-
-static void
-backing_store_resize (BackingStore *store,
- int width,
- int height)
-{
- GdkPixmap *pixmap = gdk_pixmap_new (store->pixmap, width, height, -1);
-
- /* Unfortunately we don't know in which direction we were resized,
- * so we just assume we were dragged from the south-east corner.
- *
- * Although, maybe we could get the root coordinates of the input-window?
- * That might just work, actually. We need to make sure marco uses
- * static gravity for the window before this will be useful.
- */
- simple_draw_drawable (pixmap, store->pixmap, 0, 0, 0, 0, -1, -1);
-
- g_object_unref (store->pixmap);
-
- store->pixmap = pixmap;
-
- /* FIXME: invalidate uncovered strip only */
-
- backing_store_invalidate_all (store);
-}
-
-static void
-cclip_to_region (cairo_t *cr, GdkRegion *region)
-{
- int n_rects;
- GdkRectangle *rects;
-
- gdk_region_get_rectangles (region, &rects, &n_rects);
-
- cairo_new_path (cr);
- while (n_rects--)
- {
- GdkRectangle *rect = &(rects[n_rects]);
-
- cairo_rectangle (cr, rect->x, rect->y, rect->width, rect->height);
- }
- cairo_clip (cr);
-
- g_free (rects);
-}
-
-static void
-backing_store_process_updates (BackingStore *store,
- ExposeFunc func,
- gpointer data)
-{
- cairo_t *cr = gdk_cairo_create (store->pixmap);
- GdkRegion *region = store->update_region;
- store->update_region = gdk_region_new ();
-
- cclip_to_region (cr, store->update_region);
-
- func (cr, store->update_region, data);
-
- gdk_region_destroy (region);
- cairo_destroy (cr);
-}
-
-#endif