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-rw-r--r--applets/wncklet/workspace-switcher.c154
1 files changed, 153 insertions, 1 deletions
diff --git a/applets/wncklet/workspace-switcher.c b/applets/wncklet/workspace-switcher.c
index a3c86cd4..e3fda355 100644
--- a/applets/wncklet/workspace-switcher.c
+++ b/applets/wncklet/workspace-switcher.c
@@ -53,6 +53,153 @@
#define WORKSPACE_SWITCHER_ICON "mate-panel-workspace-switcher"
+/* Container for the WnckPager to work around the sizing issues we have in the
+ * panel. See
+ * https://github.com/mate-desktop/mate-panel/issues/1230#issuecomment-1046235088 */
+
+typedef struct _PagerContainer PagerContainer;
+typedef GtkBinClass PagerContainerClass;
+
+static GType pager_container_get_type (void);
+
+#define PAGER_CONTAINER_TYPE (pager_container_get_type ())
+#define PAGER_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PAGER_CONTAINER_TYPE, PagerContainer))
+
+struct _PagerContainer
+{
+ GtkBin parent;
+ GtkOrientation orientation;
+ int size;
+};
+
+G_DEFINE_TYPE (PagerContainer, pager_container, GTK_TYPE_BIN)
+
+static gboolean
+queue_resize_idle_cb (gpointer user_data)
+{
+ gtk_widget_queue_resize (GTK_WIDGET (user_data));
+ return G_SOURCE_REMOVE;
+}
+
+static void
+pager_container_get_preferred_width (GtkWidget *widget,
+ int *minimum_width,
+ int *natural_width)
+{
+ PagerContainer *self;
+
+ self = PAGER_CONTAINER (widget);
+
+ if (self->orientation == GTK_ORIENTATION_VERTICAL)
+ {
+ /* self->size is panel width */
+ *minimum_width = *natural_width = self->size;
+ }
+ else
+ {
+ /* self->size is panel size/height, that will get allocated to pager, request width for this size */
+ gtk_widget_get_preferred_width_for_height (gtk_bin_get_child (GTK_BIN (self)),
+ self->size,
+ minimum_width,
+ natural_width);
+ }
+}
+
+static void
+pager_container_get_preferred_height (GtkWidget *widget,
+ int *minimum_height,
+ int *natural_height)
+{
+ PagerContainer *self;
+
+ self = PAGER_CONTAINER (widget);
+
+ if (self->orientation == GTK_ORIENTATION_VERTICAL)
+ {
+ /* self->size is panel size/width that will get allocated to pager, request height for this size */
+ gtk_widget_get_preferred_height_for_width (gtk_bin_get_child (GTK_BIN (self)),
+ self->size,
+ minimum_height,
+ natural_height);
+ }
+ else
+ {
+ /* self->size is panel height */
+ *minimum_height = *natural_height = self->size;
+ }
+}
+
+static void
+pager_container_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ PagerContainer *self;
+ int size;
+
+ self = PAGER_CONTAINER (widget);
+
+ if (self->orientation == GTK_ORIENTATION_VERTICAL)
+ size = allocation->width;
+ else
+ size = allocation->height;
+
+ size = MAX (size, 1);
+
+ if (self->size != size)
+ {
+ self->size = size;
+ g_idle_add (queue_resize_idle_cb, self);
+ return;
+ }
+
+ GTK_WIDGET_CLASS (pager_container_parent_class)->size_allocate (widget,
+ allocation);
+}
+
+static void
+pager_container_class_init (PagerContainerClass *self_class)
+{
+ GtkWidgetClass *widget_class;
+
+ widget_class = GTK_WIDGET_CLASS (self_class);
+
+ widget_class->get_preferred_width = pager_container_get_preferred_width;
+ widget_class->get_preferred_height = pager_container_get_preferred_height;
+ widget_class->size_allocate = pager_container_size_allocate;
+}
+
+static void
+pager_container_init (PagerContainer *self)
+{
+}
+
+static GtkWidget *
+pager_container_new (GtkWidget *child,
+ GtkOrientation orientation)
+{
+ PagerContainer *self;
+
+ self = g_object_new (PAGER_CONTAINER_TYPE, "child", child, NULL);
+
+ self->orientation = orientation;
+
+ return GTK_WIDGET (self);
+}
+
+static void
+pager_container_set_orientation (PagerContainer *self,
+ GtkOrientation orientation)
+{
+ if (self->orientation == orientation)
+ return;
+
+ self->orientation = orientation;
+
+ gtk_widget_queue_resize (GTK_WIDGET (self));
+}
+
+/* Pager applet itself */
+
typedef enum {
PAGER_WM_MARCO,
PAGER_WM_METACITY,
@@ -65,6 +212,7 @@ typedef enum {
typedef struct {
GtkWidget* applet;
+ GtkWidget* pager_container;
GtkWidget* pager;
WnckScreen* screen;
@@ -290,6 +438,8 @@ static void applet_change_orient(MatePanelApplet* applet, MatePanelAppletOrient
pager->orientation = new_orient;
pager_update(pager);
+ pager_container_set_orientation(PAGER_CONTAINER(pager->pager_container), pager->orientation);
+
if (pager->label_row_col)
gtk_label_set_text(GTK_LABEL(pager->label_row_col), pager->orientation == GTK_ORIENTATION_HORIZONTAL ? _("rows") : _("columns"));
}
@@ -657,7 +807,8 @@ gboolean workspace_switcher_applet_fill(MatePanelApplet* applet)
G_CALLBACK (applet_scroll),
pager);
- gtk_container_add(GTK_CONTAINER(pager->applet), pager->pager);
+ pager->pager_container = pager_container_new(pager->pager, pager->orientation);
+ gtk_container_add(GTK_CONTAINER(pager->applet), pager->pager_container);
g_signal_connect (pager->applet, "realize",
G_CALLBACK (applet_realized),
@@ -676,6 +827,7 @@ gboolean workspace_switcher_applet_fill(MatePanelApplet* applet)
context);
gtk_widget_show (pager->pager);
+ gtk_widget_show (pager->pager_container);
gtk_widget_show (pager->applet);
action_group = gtk_action_group_new("WorkspaceSwitcher Applet Actions");