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cursor: Correct switching between fallback and backend cursors

Browse Source 
When switching from the stage cursor to the native cursor, we
forgot to repaint the stage to get rid of the old cursor. Fix
this by having the abstract cursor renderer class track whether
we're using the backend, rather than doing chain-up shenanigans.
This commit is contained in:
Jasper St. Pierre 2014-05-17 11:22:05 -04:00
parent fb9f22c02f
commit 3a0de6a4f1
3 changed files with 24 additions and 12 deletions
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27
src/backends/meta-cursor-renderer.c
View File

@ -41,6 +41,7 @@ struct _MetaCursorRendererPrivate
MetaRectangle current_rect;
MetaCursorReference *displayed_cursor;
gboolean handled_by_backend;
};
typedef struct _MetaCursorRendererPrivate MetaCursorRendererPrivate;
@ -57,15 +58,16 @@ queue_redraw (MetaCursorRenderer *renderer)
if (!stage)
return;
meta_stage_set_cursor (META_STAGE (stage),
priv->displayed_cursor,
&priv->current_rect);
if (priv->handled_by_backend)
meta_stage_set_cursor (META_STAGE (stage), NULL, &priv->current_rect);
else
meta_stage_set_cursor (META_STAGE (stage), priv->displayed_cursor, &priv->current_rect);
}
static void
static gboolean
meta_cursor_renderer_real_update_cursor (MetaCursorRenderer *renderer)
{
queue_redraw (renderer);
return FALSE;
}
static void
@ -83,6 +85,8 @@ static void
update_cursor (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
gboolean handled_by_backend;
gboolean should_redraw = FALSE;
if (priv->displayed_cursor)
{
@ -104,7 +108,18 @@ update_cursor (MetaCursorRenderer *renderer)
priv->current_rect.height = 0;
}
META_CURSOR_RENDERER_GET_CLASS (renderer)->update_cursor (renderer);
handled_by_backend = META_CURSOR_RENDERER_GET_CLASS (renderer)->update_cursor (renderer);
if (handled_by_backend != priv->handled_by_backend)
{
priv->handled_by_backend = handled_by_backend;
should_redraw = TRUE;
}
if (!handled_by_backend)
should_redraw = TRUE;
if (should_redraw)
queue_redraw (renderer);
}
MetaCursorRenderer *

2
src/backends/meta-cursor-renderer.h
View File

@ -51,7 +51,7 @@ struct _MetaCursorRendererClass
{
GObjectClass parent_class;
void (* update_cursor) (MetaCursorRenderer *renderer);
gboolean (* update_cursor) (MetaCursorRenderer *renderer);
};
GType meta_cursor_renderer_get_type (void) G_GNUC_CONST;

7
src/backends/native/meta-cursor-renderer-native.c
View File

@ -140,7 +140,7 @@ should_have_hw_cursor (MetaCursorRenderer *renderer)
return FALSE;
}
static void
static gboolean
meta_cursor_renderer_native_update_cursor (MetaCursorRenderer *renderer)
{
MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer);
@ -148,10 +148,7 @@ meta_cursor_renderer_native_update_cursor (MetaCursorRenderer *renderer)
priv->has_hw_cursor = should_have_hw_cursor (renderer);
update_hw_cursor (native, FALSE);
/* Fall back to the stage-based cursor if we don't have HW cursors. */
if (!priv->has_hw_cursor)
META_CURSOR_RENDERER_CLASS (meta_cursor_renderer_native_parent_class)->update_cursor (renderer);
return priv->has_hw_cursor;
}
static void