diff options
Diffstat (limited to 'src/window.c')
| -rw-r--r-- | src/window.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/src/window.c b/src/window.c index 4c26ea7..688f879 100644 --- a/src/window.c +++ b/src/window.c @@ -464,6 +464,34 @@ _prefetch_finish_cb(GObject *p_src, GAsyncResult *p_res, gpointer p_data) { g_object_unref(p_win); } +/* --- M6: progressive low-res preview ------------------------------------ */ + +typedef struct { + GgazeWindow *p_win; + GdkTexture *p_tex; +} ProgressInvoke; + +static gboolean +_on_progress_main(gpointer p_data) { + ProgressInvoke *p_pi = (ProgressInvoke *)p_data; + /* Show the partial; the full result replaces it in _load_finish_cb. */ + ggaze_viewer_set_texture(GGAZE_VIEWER(p_pi->p_win->p_viewer), p_pi->p_tex); + g_object_unref(p_pi->p_tex); + g_object_unref(p_pi->p_win); + g_free(p_pi); + return (G_SOURCE_REMOVE); +} + +static void +_load_progress_cb(GdkTexture *p_partial, gpointer p_data) { + GgazeWindow *p_win = GGAZE_WINDOW(p_data); + ProgressInvoke *p_pi = g_new(ProgressInvoke, 1); + p_pi->p_win = (GgazeWindow *)g_object_ref(p_win); + p_pi->p_tex = (GdkTexture *)g_object_ref(p_partial); + g_main_context_invoke_full(NULL, G_PRIORITY_DEFAULT, _on_progress_main, p_pi, + NULL); +} + /* Visible-load callback: show only if this is still the current file * (last-write-wins), then cache it and prefetch neighbours. */ static void @@ -518,7 +546,7 @@ _prefetch(GgazeWindow *p_win) { } GFile *p_file = navigator_get_file(p_win->p_nav, (guint)i_j); if (p_file != NULL && texturecache_get(p_win->p_cache, p_file) == NULL) { - loader_load_async(p_file, p_win->p_prefetch_cancel, + loader_load_async(p_file, p_win->p_prefetch_cancel, NULL, NULL, _prefetch_finish_cb, g_object_ref(p_win)); } } @@ -554,8 +582,8 @@ _load_current(GgazeWindow *p_win) { g_cancellable_cancel(p_win->p_cancel); g_clear_object(&p_win->p_cancel); p_win->p_cancel = g_cancellable_new(); - loader_load_async(p_cur, p_win->p_cancel, _load_finish_cb, - g_object_ref(p_win)); + loader_load_async(p_cur, p_win->p_cancel, _load_progress_cb, + g_object_ref(p_win), _load_finish_cb, g_object_ref(p_win)); _update_header(p_win); } |