/*
* Geeqie
* (C) 2004 John Ellis
- * Copyright (C) 2008 The Geeqie Team
+ * Copyright (C) 2008 - 2012 The Geeqie Team
*
* Author: John Ellis
*
if (ss->from_selection)
{
- list = layout_selection_list_by_index(ss->layout);
+ list = layout_selection_list_by_index(ss->lw);
}
else
{
return list;
}
+static void ptr_array_add(gpointer data, GPtrArray *array)
+{
+ g_ptr_array_add(array, data);
+}
+
+static void list_prepend(gpointer data, GList **list)
+{
+ *list = g_list_prepend(*list, data);
+}
+
+static GPtrArray *generate_ptr_array_from_list(GList *src_list)
+{
+ GPtrArray *arr = g_ptr_array_sized_new(g_list_length(src_list));
+
+ g_list_foreach(src_list, (GFunc) ptr_array_add, arr);
+
+ return arr;
+}
+
+static void swap(GPtrArray *array, guint index1, guint index2)
+{
+ gpointer temp = g_ptr_array_index(array, index1);
+
+ g_ptr_array_index(array, index1) = g_ptr_array_index(array, index2);
+ g_ptr_array_index(array, index2) = temp;
+}
+
+static void ptr_array_random_shuffle(GPtrArray *array)
+{
+ guint i;
+ for (i = 0; i < array->len; ++i)
+ {
+ guint p = (double)rand() / ((double)RAND_MAX + 1.0) * array->len;
+ swap(array, i, p);
+ }
+}
+
static GList *generate_random_list(SlideShowData *ss)
{
- GList *src_list = NULL;
+ GList *src_list;
+ GPtrArray *src_array;
GList *list = NULL;
- GList *work;
src_list = generate_list(ss);
+ src_array = generate_ptr_array_from_list(src_list);
+ g_list_free(src_list);
- while (src_list)
- {
- gint p = (double)rand() / ((double)RAND_MAX + 1.0) * g_list_length(src_list);
- work = g_list_nth(src_list, p);
- list = g_list_prepend(list, work->data);
- src_list = g_list_remove(src_list, work->data);
- }
+ ptr_array_random_shuffle(src_array);
+ g_ptr_array_foreach(src_array, (GFunc) list_prepend, &list);
+ g_ptr_array_free(src_array, TRUE);
return list;
}
}
}
-gint slideshow_should_continue(SlideShowData *ss)
+gboolean slideshow_should_continue(SlideShowData *ss)
{
FileData *imd_fd;
FileData *dir_fd;
if (!ss) return FALSE;
- imd_fd = image_get_fd(ss->imd);
+ if (ss->lw)
+ imd_fd = layout_image_get_fd(ss->lw);
+ else
+ imd_fd = image_get_fd(ss->imd);
if ( ((imd_fd == NULL) != (ss->slide_fd == NULL)) ||
(imd_fd && ss->slide_fd && imd_fd != ss->slide_fd) ) return FALSE;
return FALSE;
}
- if (!ss->layout) return FALSE;
- dir_fd = ss->layout->dir_fd;
+ dir_fd = ss->lw->dir_fd;
if (dir_fd && ss->dir_fd && dir_fd == ss->dir_fd)
{
- if (ss->from_selection && ss->slide_count == layout_selection_count(ss->layout, NULL)) return TRUE;
- if (!ss->from_selection && ss->slide_count == layout_list_count(ss->layout, NULL)) return TRUE;
+ if (ss->from_selection && ss->slide_count == layout_selection_count(ss->lw, NULL)) return TRUE;
+ if (!ss->from_selection && ss->slide_count == layout_list_count(ss->lw, NULL)) return TRUE;
}
return FALSE;
}
-static gint slideshow_step(SlideShowData *ss, gboolean forward)
+static gboolean slideshow_step(SlideShowData *ss, gboolean forward)
{
gint row;
if (ss->filelist)
{
ss->slide_fd = file_data_ref((FileData *)g_list_nth_data(ss->filelist, row));
- image_change_fd(ss->imd, ss->slide_fd, image_zoom_get_default(ss->imd));
+ if (ss->lw)
+ layout_set_fd(ss->lw, ss->slide_fd);
+ else
+ image_change_fd(ss->imd, ss->slide_fd, image_zoom_get_default(ss->imd));
}
else if (ss->cd)
{
info = g_list_nth_data(ss->cd->list, row);
ss->slide_fd = file_data_ref(info->fd);
- image_change_from_collection(ss->imd, ss->cd, info, image_zoom_get_default(ss->imd));
+ if (ss->lw)
+ image_change_from_collection(ss->lw->image, ss->cd, info, image_zoom_get_default(ss->lw->image));
+ else
+ image_change_from_collection(ss->imd, ss->cd, info, image_zoom_get_default(ss->imd));
}
else
{
- ss->slide_fd = file_data_ref(layout_list_get_fd(ss->layout, row));
+ ss->slide_fd = file_data_ref(layout_list_get_fd(ss->lw, row));
if (ss->from_selection)
{
- image_change_fd(ss->imd, ss->slide_fd, image_zoom_get_default(ss->imd));
- layout_status_update_info(ss->layout, NULL);
+ layout_set_fd(ss->lw, ss->slide_fd);
+ layout_status_update_info(ss->lw, NULL);
}
else
{
- layout_image_set_index(ss->layout, row);
+ layout_image_set_index(ss->lw, row);
}
}
}
/* read ahead */
-
- if (options->image.enable_read_ahead)
+ if (options->image.enable_read_ahead && (!ss->lw || ss->from_selection))
{
gint r;
if (forward)
}
else if (ss->from_selection)
{
- image_prebuffer_set(ss->imd, layout_list_get_fd(ss->layout, r));
+ image_prebuffer_set(ss->lw->image, layout_list_get_fd(ss->lw, r));
}
}
return TRUE;
}
-static gint slideshow_loop_cb(gpointer data)
+static gboolean slideshow_loop_cb(gpointer data)
{
SlideShowData *ss = data;
if (!slideshow_step(ss, TRUE))
{
- ss->timeout_id = -1;
+ ss->timeout_id = 0;
slideshow_free(ss);
return FALSE;
}
static void slideshow_timer_stop(SlideShowData *ss)
{
- if (ss->timeout_id == -1) return;
+ if (!ss->timeout_id) return;
g_source_remove(ss->timeout_id);
- ss->timeout_id = -1;
+ ss->timeout_id = 0;
}
static void slideshow_timer_reset(SlideShowData *ss)
{
if (options->slideshow.delay < 1) options->slideshow.delay = 1;
- if (ss->timeout_id != -1) g_source_remove(ss->timeout_id);
+ if (ss->timeout_id) g_source_remove(ss->timeout_id);
ss->timeout_id = g_timeout_add(options->slideshow.delay * 1000 / SLIDESHOW_SUBSECOND_PRECISION,
slideshow_loop_cb, ss);
}
slideshow_move(ss, FALSE);
}
-static SlideShowData *real_slideshow_start(ImageWindow *imd, LayoutWindow *lw,
+static SlideShowData *real_slideshow_start(LayoutWindow *target_lw, ImageWindow *imd,
GList *filelist, gint start_point,
CollectionData *cd, CollectInfo *start_info,
void (*stop_func)(SlideShowData *, gpointer), gpointer stop_data)
SlideShowData *ss;
gint start_index = -1;
- if (!filelist && !cd && layout_list_count(lw, NULL) < 1) return NULL;
+ if (!filelist && !cd && layout_list_count(target_lw, NULL) < 1) return NULL;
ss = g_new0(SlideShowData, 1);
- ss->imd = imd;
-
+ ss->lw = target_lw;
+ ss->imd = imd; /* FIXME: ss->imd is used only for img-view.c and can be dropped with it */
ss->filelist = filelist;
ss->cd = cd;
- ss->layout = lw;
- ss->dir_fd = NULL;
-
- ss->list = NULL;
- ss->list_done = NULL;
-
- ss->from_selection = FALSE;
-
- ss->stop_func = NULL;
-
- ss->timeout_id = -1;
- ss->paused = FALSE;
if (ss->filelist)
{
{
/* layout method */
- ss->slide_count = layout_selection_count(ss->layout, NULL);
- ss->dir_fd = file_data_ref(ss->layout->dir_fd);
+ ss->slide_count = layout_selection_count(ss->lw, NULL);
+ ss->dir_fd = file_data_ref(ss->lw->dir_fd);
if (ss->slide_count < 2)
{
- ss->slide_count = layout_list_count(ss->layout, NULL);
+ ss->slide_count = layout_list_count(ss->lw, NULL);
if (!options->slideshow.random && start_point >= 0 && (guint) start_point < ss->slide_count)
{
start_index = start_point;
slideshow_list_init(ss, start_index);
- ss->slide_fd = file_data_ref(image_get_fd(ss->imd));
+ if (ss->lw)
+ ss->slide_fd = file_data_ref(layout_image_get_fd(ss->lw));
+ else
+ ss->slide_fd = file_data_ref(image_get_fd(ss->imd));
+
if (slideshow_step(ss, TRUE))
{
slideshow_timer_reset(ss);
return ss;
}
-SlideShowData *slideshow_start_from_filelist(ImageWindow *imd, GList *list,
+SlideShowData *slideshow_start_from_filelist(LayoutWindow *target_lw, ImageWindow *imd, GList *list,
void (*stop_func)(SlideShowData *, gpointer), gpointer stop_data)
{
- return real_slideshow_start(imd, NULL, list, -1, NULL, NULL, stop_func, stop_data);
+ return real_slideshow_start(target_lw, imd, list, -1, NULL, NULL, stop_func, stop_data);
}
-SlideShowData *slideshow_start_from_collection(ImageWindow *imd, CollectionData *cd,
+SlideShowData *slideshow_start_from_collection(LayoutWindow *target_lw, ImageWindow *imd, CollectionData *cd,
void (*stop_func)(SlideShowData *, gpointer), gpointer stop_data,
CollectInfo *start_info)
{
- return real_slideshow_start(imd, NULL, NULL, -1, cd, start_info, stop_func, stop_data);
+ return real_slideshow_start(target_lw, imd, NULL, -1, cd, start_info, stop_func, stop_data);
}
-SlideShowData *slideshow_start(ImageWindow *imd, LayoutWindow *lw, gint start_point,
+SlideShowData *slideshow_start(LayoutWindow *lw, gint start_point,
void (*stop_func)(SlideShowData *, gpointer), gpointer stop_data)
{
- return real_slideshow_start(imd, lw, NULL, start_point, NULL, NULL, stop_func, stop_data);
+ return real_slideshow_start(lw, NULL, NULL, start_point, NULL, NULL, stop_func, stop_data);
}
-gint slideshow_paused(SlideShowData *ss)
+gboolean slideshow_paused(SlideShowData *ss)
{
if (!ss) return FALSE;
return ss->paused;
}
-void slideshow_pause_set(SlideShowData *ss, gint paused)
+void slideshow_pause_set(SlideShowData *ss, gboolean paused)
{
if (!ss) return;
ss->paused = paused;
}
-gint slideshow_pause_toggle(SlideShowData *ss)
+gboolean slideshow_pause_toggle(SlideShowData *ss)
{
slideshow_pause_set(ss, !slideshow_paused(ss));
return slideshow_paused(ss);
}
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */