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authorMatthew Barnes <mbarnes@redhat.com>2010-11-09 22:45:28 +0800
committerMatthew Barnes <mbarnes@redhat.com>2011-01-26 21:49:11 +0800
commit4caf1c8acb88a9f11e9f81206856efc9b9a5febb (patch)
tree8d1f6b298b84653b2f42a3fab1d97e4482b82b3c /widgets/misc
parent3722dc8d823a2a338382c79f8c8383f4c04bed90 (diff)
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Adapt EMap to latest gtk+-3.0 API.
Diffstat (limited to 'widgets/misc')
-rw-r--r--widgets/misc/e-map.c383
1 files changed, 243 insertions, 140 deletions
diff --git a/widgets/misc/e-map.c b/widgets/misc/e-map.c
index 842d396c7e..f4c981b601 100644
--- a/widgets/misc/e-map.c
+++ b/widgets/misc/e-map.c
@@ -42,8 +42,8 @@
/* */
-#define E_MAP_GET_WIDTH(map) gtk_adjustment_get_upper((map)->priv->hadj)
-#define E_MAP_GET_HEIGHT(map) gtk_adjustment_get_upper((map)->priv->vadj)
+#define E_MAP_GET_WIDTH(map) gtk_adjustment_get_upper((map)->priv->hadjustment)
+#define E_MAP_GET_HEIGHT(map) gtk_adjustment_get_upper((map)->priv->vadjustment)
/* Zoom state - keeps track of animation hacks */
@@ -79,8 +79,13 @@ struct _EMapPrivate {
gboolean frozen, smooth_zoom;
/* Adjustments for scrolling */
- GtkAdjustment *hadj;
- GtkAdjustment *vadj;
+ GtkAdjustment *hadjustment;
+ GtkAdjustment *vadjustment;
+
+ /* GtkScrollablePolicy needs to be checked when
+ * driving the scrollable adjustment values */
+ guint hscroll_policy : 1;
+ guint vscroll_policy : 1;
/* Current scrolling offsets */
gint xofs, yofs;
@@ -99,6 +104,18 @@ struct _EMapPrivate {
guint tween_id;
};
+/* Properties */
+
+enum {
+ PROP_0,
+
+ /* For scrollable interface */
+ PROP_HADJUSTMENT,
+ PROP_VADJUSTMENT,
+ PROP_HSCROLL_POLICY,
+ PROP_VSCROLL_POLICY
+};
+
/* Internal prototypes */
static void e_map_get_current_location (EMap *map, gdouble *longitude, gdouble *latitude);
@@ -109,7 +126,6 @@ static void set_scroll_area (EMap *map, gint width, gint height);
static void center_at (EMap *map, gdouble longitude, gdouble latitude);
static void scroll_to (EMap *map, gint x, gint y);
static gint load_map_background (EMap *map, gchar *name);
-static void adjustment_changed_cb (EMap *map);
static void update_and_paint (EMap *map);
static void update_render_point (EMap *map, EMapPoint *point);
static void repaint_point (EMap *map, EMapPoint *point);
@@ -211,10 +227,11 @@ e_map_tween_new (EMap *map, guint msecs, gdouble longitude_offset, gdouble latit
gtk_widget_queue_draw (GTK_WIDGET (map));
}
-G_DEFINE_TYPE (
+G_DEFINE_TYPE_WITH_CODE (
EMap,
e_map,
- GTK_TYPE_WIDGET)
+ GTK_TYPE_WIDGET,
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
static void
e_map_tween_new_from (EMap *map,
@@ -293,11 +310,187 @@ e_map_tweens_compute_matrix (EMap *map, cairo_matrix_t *matrix)
cairo_matrix_translate (matrix, -x, -y);
}
+/* GtkScrollable implementation */
+
+static void
+e_map_adjustment_changed (GtkAdjustment *adjustment, EMap *map)
+{
+ EMapPrivate *priv = map->priv;
+
+ if (gtk_widget_get_realized (GTK_WIDGET (map))) {
+ gint hadj_value;
+ gint vadj_value;
+
+ hadj_value = gtk_adjustment_get_value (priv->hadjustment);
+ vadj_value = gtk_adjustment_get_value (priv->vadjustment);
+
+ scroll_to (map, hadj_value, vadj_value);
+ }
+}
+
+static void
+e_map_set_hadjustment_values (EMap *map)
+{
+ GtkAllocation allocation;
+ EMapPrivate *priv = map->priv;
+ GtkAdjustment *adj = priv->hadjustment;
+ gdouble old_value;
+ gdouble new_value;
+ gdouble new_upper;
+
+ gtk_widget_get_allocation (GTK_WIDGET (map), &allocation);
+
+ old_value = gtk_adjustment_get_value (adj);
+ new_upper = MAX (allocation.width, gdk_pixbuf_get_width (priv->map_pixbuf));
+
+ g_object_set (adj,
+ "lower", 0.0,
+ "upper", new_upper,
+ "page-size", (gdouble)allocation.height,
+ "step-increment", allocation.height * 0.1,
+ "page-increment", allocation.height * 0.9,
+ NULL);
+
+ new_value = CLAMP (old_value, 0, new_upper - allocation.width);
+ if (new_value != old_value)
+ gtk_adjustment_set_value (adj, new_value);
+}
+
+static void
+e_map_set_vadjustment_values (EMap *map)
+{
+ GtkAllocation allocation;
+ EMapPrivate *priv = map->priv;
+ GtkAdjustment *adj = priv->vadjustment;
+ gdouble old_value;
+ gdouble new_value;
+ gdouble new_upper;
+
+ gtk_widget_get_allocation (GTK_WIDGET (map), &allocation);
+
+ old_value = gtk_adjustment_get_value (adj);
+ new_upper = MAX (allocation.height, gdk_pixbuf_get_height (priv->map_pixbuf));
+
+ g_object_set (adj,
+ "lower", 0.0,
+ "upper", new_upper,
+ "page-size", (gdouble)allocation.height,
+ "step-increment", allocation.height * 0.1,
+ "page-increment", allocation.height * 0.9,
+ NULL);
+
+ new_value = CLAMP (old_value, 0, new_upper - allocation.height);
+ if (new_value != old_value)
+ gtk_adjustment_set_value (adj, new_value);
+}
+
+static void
+e_map_set_hadjustment (EMap *map, GtkAdjustment *adjustment)
+{
+ EMapPrivate *priv = map->priv;
+
+ if (adjustment && priv->hadjustment == adjustment)
+ return;
+
+ if (priv->hadjustment != NULL) {
+ g_signal_handlers_disconnect_matched (priv->hadjustment, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, map);
+ g_object_unref (priv->hadjustment);
+ }
+
+ if (!adjustment)
+ adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
+ g_signal_connect (adjustment, "value-changed", G_CALLBACK (e_map_adjustment_changed), map);
+ priv->hadjustment = g_object_ref_sink (adjustment);
+ e_map_set_hadjustment_values (map);
+
+ g_object_notify (G_OBJECT (map), "hadjustment");
+}
+
+static void
+e_map_set_vadjustment (EMap *map, GtkAdjustment *adjustment)
+{
+ EMapPrivate *priv = map->priv;
+
+ if (adjustment && priv->vadjustment == adjustment)
+ return;
+
+ if (priv->vadjustment != NULL) {
+ g_signal_handlers_disconnect_matched (priv->vadjustment, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, map);
+ g_object_unref (priv->vadjustment);
+ }
+
+ if (!adjustment)
+ adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
+
+ g_signal_connect (adjustment, "value-changed", G_CALLBACK (e_map_adjustment_changed), map);
+ priv->vadjustment = g_object_ref_sink (adjustment);
+ e_map_set_vadjustment_values (map);
+
+ g_object_notify (G_OBJECT (map), "vadjustment");
+}
+
/* ----------------- *
* Widget management *
* ----------------- */
static void
+e_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ EMap *map;
+
+ map = E_MAP (object);
+
+ switch (prop_id) {
+ case PROP_HADJUSTMENT:
+ e_map_set_hadjustment (map, g_value_get_object (value));
+ break;
+ case PROP_VADJUSTMENT:
+ e_map_set_vadjustment (map, g_value_get_object (value));
+ break;
+ case PROP_HSCROLL_POLICY:
+ map->priv->hscroll_policy = g_value_get_enum (value);
+ gtk_widget_queue_resize (GTK_WIDGET (map));
+ break;
+ case PROP_VSCROLL_POLICY:
+ map->priv->vscroll_policy = g_value_get_enum (value);
+ gtk_widget_queue_resize (GTK_WIDGET (map));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+e_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ EMap *map;
+
+ map = E_MAP (object);
+
+ switch (prop_id) {
+ case PROP_HADJUSTMENT:
+ g_value_set_object (value, map->priv->hadjustment);
+ break;
+ case PROP_VADJUSTMENT:
+ g_value_set_object (value, map->priv->vadjustment);
+ break;
+ case PROP_HSCROLL_POLICY:
+ g_value_set_enum (value, map->priv->hscroll_policy);
+ break;
+ case PROP_VSCROLL_POLICY:
+ g_value_set_enum (value, map->priv->vscroll_policy);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
e_map_finalize (GObject *object)
{
EMap *map;
@@ -308,17 +501,7 @@ e_map_finalize (GObject *object)
e_map_tween_destroy (map, map->priv->tweens->data);
e_map_stop_tweening (map);
- g_signal_handlers_disconnect_by_func (map->priv->hadj, adjustment_changed_cb, map);
- g_signal_handlers_disconnect_by_func (map->priv->vadj, adjustment_changed_cb, map);
-
- g_object_unref ((map->priv->hadj));
- map->priv->hadj = NULL;
-
- g_object_unref ((map->priv->vadj));
- map->priv->vadj = NULL;
-
- if (map->priv->map_pixbuf)
- {
+ if (map->priv->map_pixbuf) {
g_object_unref (map->priv->map_pixbuf);
map->priv->map_pixbuf = NULL;
}
@@ -355,12 +538,11 @@ e_map_realize (GtkWidget *widget)
attr.height = allocation.height;
attr.wclass = GDK_INPUT_OUTPUT;
attr.visual = gtk_widget_get_visual (widget);
- attr.colormap = gtk_widget_get_colormap (widget);
attr.event_mask = gtk_widget_get_events (widget) |
GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_KEY_PRESS_MASK |
GDK_POINTER_MOTION_MASK;
- attr_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+ attr_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
window = gdk_window_new (
gtk_widget_get_parent_window (widget), &attr, attr_mask);
@@ -371,7 +553,6 @@ e_map_realize (GtkWidget *widget)
style = gtk_style_attach (style, window);
gtk_widget_set_style (widget, style);
- gdk_window_set_back_pixmap (window, NULL, FALSE);
update_render_surface (E_MAP (widget), TRUE);
}
@@ -450,10 +631,9 @@ e_map_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
}
static gboolean
-e_map_expose (GtkWidget *widget, GdkEventExpose *event)
+e_map_draw (GtkWidget *widget, cairo_t *cr)
{
EMap *map;
- cairo_t *cr;
cairo_matrix_t matrix;
if (!gtk_widget_is_drawable (widget))
@@ -461,9 +641,7 @@ e_map_expose (GtkWidget *widget, GdkEventExpose *event)
map = E_MAP (widget);
- cr = gdk_cairo_create (event->window);
- gdk_cairo_region (cr, event->region);
- cairo_clip (cr);
+ cairo_save (cr);
e_map_tweens_compute_matrix (map, &matrix);
cairo_transform (cr, &matrix);
@@ -471,7 +649,7 @@ e_map_expose (GtkWidget *widget, GdkEventExpose *event)
cairo_set_source_surface (cr, map->priv->map_render_surface, 0, 0);
cairo_paint (cr);
- cairo_destroy (cr);
+ cairo_restore (cr);
return FALSE;
}
@@ -543,88 +721,24 @@ e_map_key_press (GtkWidget *widget,
gint upper;
gint x, y;
- page_size = gtk_adjustment_get_page_size (map->priv->hadj);
- upper = gtk_adjustment_get_upper (map->priv->hadj);
+ page_size = gtk_adjustment_get_page_size (map->priv->hadjustment);
+ upper = gtk_adjustment_get_upper (map->priv->hadjustment);
x = CLAMP (map->priv->xofs + xofs, 0, upper - page_size);
- page_size = gtk_adjustment_get_page_size (map->priv->vadj);
- upper = gtk_adjustment_get_upper (map->priv->vadj);
+ page_size = gtk_adjustment_get_page_size (map->priv->vadjustment);
+ upper = gtk_adjustment_get_upper (map->priv->vadjustment);
y = CLAMP (map->priv->yofs + yofs, 0, upper - page_size);
scroll_to (map, x, y);
- gtk_adjustment_set_value (map->priv->hadj, x);
- gtk_adjustment_set_value (map->priv->vadj, y);
+ gtk_adjustment_set_value (map->priv->hadjustment, x);
+ gtk_adjustment_set_value (map->priv->vadjustment, y);
}
return TRUE;
}
static void
-e_map_set_scroll_adjustments (GtkWidget *widget, GtkAdjustment *hadj, GtkAdjustment *vadj)
-{
- EMap *map;
- EMapPrivate *priv;
- gboolean need_adjust;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_MAP (widget));
-
- map = E_MAP (widget);
- priv = map->priv;
-
- if (hadj) g_return_if_fail (GTK_IS_ADJUSTMENT (hadj));
- else hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
-
- if (vadj) g_return_if_fail (GTK_IS_ADJUSTMENT (vadj));
- else vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
-
- if (map->priv->hadj && priv->hadj != hadj)
- {
- g_signal_handlers_disconnect_by_func (map->priv->hadj,
- adjustment_changed_cb,
- map);
- g_object_unref (map->priv->hadj);
- }
-
- if (map->priv->vadj && priv->vadj != vadj)
- {
- g_signal_handlers_disconnect_by_func (map->priv->vadj,
- adjustment_changed_cb,
- map);
- g_object_unref (map->priv->vadj);
- }
-
- need_adjust = FALSE;
-
- if (map->priv->hadj != hadj)
- {
- map->priv->hadj = hadj;
- g_object_ref_sink (map->priv->hadj);
-
- g_signal_connect_swapped (
- map->priv->hadj, "value_changed",
- G_CALLBACK (adjustment_changed_cb), map);
-
- need_adjust = TRUE;
- }
-
- if (map->priv->vadj != vadj)
- {
- map->priv->vadj = vadj;
- g_object_ref_sink (map->priv->vadj);
-
- g_signal_connect_swapped (
- map->priv->vadj, "value_changed",
- G_CALLBACK (adjustment_changed_cb), map);
-
- need_adjust = TRUE;
- }
-
- if (need_adjust) adjustment_changed_cb (map);
-}
-
-static void
e_map_class_init (EMapClass *class)
{
GObjectClass *object_class;
@@ -632,6 +746,14 @@ e_map_class_init (EMapClass *class)
object_class = G_OBJECT_CLASS (class);
object_class->finalize = e_map_finalize;
+ object_class->set_property = e_map_set_property;
+ object_class->get_property = e_map_get_property;
+
+ /* 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");
widget_class = GTK_WIDGET_CLASS (class);
widget_class->realize = e_map_realize;
@@ -639,23 +761,11 @@ e_map_class_init (EMapClass *class)
widget_class->get_preferred_height = e_map_get_preferred_height;
widget_class->get_preferred_width = e_map_get_preferred_width;
widget_class->size_allocate = e_map_size_allocate;
+ widget_class->draw = e_map_draw;
widget_class->button_press_event = e_map_button_press;
widget_class->button_release_event = e_map_button_release;
widget_class->motion_notify_event = e_map_motion;
- widget_class->expose_event = e_map_expose;
widget_class->key_press_event = e_map_key_press;
-
- widget_class->set_scroll_adjustments_signal = g_signal_new ("set_scroll_adjustments",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
- G_STRUCT_OFFSET (EMapClass, set_scroll_adjustments),
- NULL, NULL,
- e_marshal_NONE__OBJECT_OBJECT,
- G_TYPE_NONE, 2,
- GTK_TYPE_ADJUSTMENT,
- GTK_TYPE_ADJUSTMENT);
-
- class->set_scroll_adjustments = e_map_set_scroll_adjustments;
}
static void
@@ -857,7 +967,8 @@ e_map_add_point (EMap *map, gchar *name, gdouble longitude, gdouble latitude, gu
g_ptr_array_add (map->priv->points, (gpointer) point);
- if (!map->priv->frozen) {
+ if (!map->priv->frozen)
+ {
update_render_point (map, point);
repaint_point (map, point);
}
@@ -1145,8 +1256,8 @@ center_at (EMap *map, gdouble longitude, gdouble latitude)
x = CLAMP (x - (allocation.width / 2), 0, pb_width - allocation.width);
y = CLAMP (y - (allocation.height / 2), 0, pb_height - allocation.height);
- gtk_adjustment_set_value (map->priv->hadj, x);
- gtk_adjustment_set_value (map->priv->vadj, y);
+ gtk_adjustment_set_value (map->priv->hadjustment, x);
+ gtk_adjustment_set_value (map->priv->vadjustment, y);
gtk_widget_queue_draw (GTK_WIDGET (map));
}
@@ -1184,49 +1295,41 @@ e_map_get_current_location (EMap *map, gdouble *longitude, gdouble *latitude)
longitude, latitude);
}
-/* Callback used when an adjustment is changed */
-
static void
-adjustment_changed_cb (EMap *map)
+set_scroll_area (EMap *view, int width, int height)
{
- gint hadj_value;
- gint vadj_value;
-
- hadj_value = gtk_adjustment_get_value (map->priv->hadj);
- vadj_value = gtk_adjustment_get_value (map->priv->vadj);
+ EMapPrivate *priv;
+ GtkAllocation allocation;
- scroll_to (map, hadj_value, vadj_value);
-}
+ priv = view->priv;
-static void
-set_scroll_area (EMap *map, gint width, gint height)
-{
- GtkAllocation allocation;
+ if (!gtk_widget_get_realized (GTK_WIDGET (view)))
+ return;
- if (!gtk_widget_get_realized (GTK_WIDGET (map))) return;
- if (!map->priv->hadj || !map->priv->vadj) return;
+ if (!priv->hadjustment || !priv->vadjustment)
+ return;
- g_object_freeze_notify (G_OBJECT (map->priv->hadj));
- g_object_freeze_notify (G_OBJECT (map->priv->vadj));
+ g_object_freeze_notify (G_OBJECT (priv->hadjustment));
+ g_object_freeze_notify (G_OBJECT (priv->vadjustment));
- gtk_widget_get_allocation (GTK_WIDGET (map), &allocation);
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
- map->priv->xofs = CLAMP (map->priv->xofs, 0, width - allocation.width);
- map->priv->yofs = CLAMP (map->priv->yofs, 0, height - allocation.height);
+ priv->xofs = CLAMP (priv->xofs, 0, width - allocation.width);
+ priv->yofs = CLAMP (priv->yofs, 0, height - allocation.height);
- gtk_adjustment_configure (map->priv->hadj,
- map->priv->xofs,
+ gtk_adjustment_configure (priv->hadjustment,
+ priv->xofs,
0, width,
SCROLL_STEP_SIZE,
allocation.width / 2,
allocation.width);
- gtk_adjustment_configure (map->priv->vadj,
- map->priv->yofs,
+ gtk_adjustment_configure (priv->vadjustment,
+ priv->yofs,
0, height,
SCROLL_STEP_SIZE,
allocation.height / 2,
allocation.height);
- g_object_thaw_notify (G_OBJECT (map->priv->hadj));
- g_object_thaw_notify (G_OBJECT (map->priv->vadj));
+ g_object_thaw_notify (G_OBJECT (priv->hadjustment));
+ g_object_thaw_notify (G_OBJECT (priv->vadjustment));
}