diff options
Diffstat (limited to 'browse_model.c')
| -rw-r--r-- | browse_model.c | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/browse_model.c b/browse_model.c new file mode 100644 index 0000000..72aac8a --- /dev/null +++ b/browse_model.c @@ -0,0 +1,443 @@ +#include "browse_model.h" + +static void browse_model_init(BrowseModel *browse_model); +static void browse_model_class_init(BrowseModelClass *klass); +static void browse_model_tree_model_init(GtkTreeModelIface *iface); +static void browse_model_finalize(GObject *object); +static GtkTreeModelFlags browse_model_get_flags(GtkTreeModel *tree_model); +static gint browse_model_get_n_columns(GtkTreeModel *tree_model); +static GType browse_model_get_column_type(GtkTreeModel *tree_model, gint index); +static gboolean browse_model_get_iter(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path); +static GtkTreePath *browse_model_get_path(GtkTreeModel *tree_model, GtkTreeIter *iter); +static void browse_model_get_value(GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value); +static gboolean browse_model_iter_next(GtkTreeModel *tree_model, GtkTreeIter *iter); +static gboolean browse_model_iter_children(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); +static gboolean browse_model_iter_has_child(GtkTreeModel *tree_model, GtkTreeIter *iter); +static gint browse_model_iter_n_children(GtkTreeModel *tree_model, GtkTreeIter *iter); +static gboolean browse_model_iter_nth_child(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n); +static gboolean browse_model_iter_parent(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); + +static GObjectClass *parent_class = NULL; + +GType browse_model_get_type() { + static GType browse_model_type = 0; + if(browse_model_type == 0) { + static const GTypeInfo browse_model_info = { + sizeof(BrowseModelClass), + NULL, + NULL, + (GClassInitFunc) browse_model_class_init, + NULL, + NULL, + sizeof(BrowseModel), + 0, + (GInstanceInitFunc) browse_model_init + }; + static const GInterfaceInfo tree_model_info = { + (GInterfaceInitFunc) browse_model_tree_model_init, + NULL, + NULL + }; + browse_model_type = g_type_register_static(G_TYPE_OBJECT, "BrowseModel", &browse_model_info, (GTypeFlags)0); + g_type_add_interface_static(browse_model_type, GTK_TYPE_TREE_MODEL, &tree_model_info); + } + return browse_model_type; +} + +static void browse_model_class_init(BrowseModelClass *klass) { + GObjectClass *object_class; + + parent_class = (GObjectClass*)g_type_class_peek_parent(klass); + object_class = (GObjectClass*)klass; + + object_class->finalize = browse_model_finalize; +} + +static void browse_model_tree_model_init(GtkTreeModelIface *iface) { + iface->get_flags = browse_model_get_flags; + iface->get_n_columns = browse_model_get_n_columns; + iface->get_column_type = browse_model_get_column_type; + iface->get_iter = browse_model_get_iter; + iface->get_path = browse_model_get_path; + iface->get_value = browse_model_get_value; + iface->iter_next = browse_model_iter_next; + iface->iter_children = browse_model_iter_children; + iface->iter_has_child = browse_model_iter_has_child; + iface->iter_n_children = browse_model_iter_n_children; + iface->iter_nth_child = browse_model_iter_nth_child; + iface->iter_parent = browse_model_iter_parent; +} + +static void browse_model_init(BrowseModel *browse_model) { + BrowseModelRecord temp; + GArray *array; + browse_model->n_columns = BROWSE_MODEL_N_COLUMNS; + + browse_model->column_types[0] = G_TYPE_STRING; + + g_assert(BROWSE_MODEL_N_COLUMNS == 1); + + browse_model->num_rows = 0; + browse_model->rows = g_array_new(TRUE, FALSE, sizeof(BrowseModelRecord)); + browse_model->stamp = g_random_int(); + + if(db_get_top_level_directories(&array)) { + for(int i = 0; i < array->len; i++) { + struct directory_t *dir; + + dir = &g_array_index(array, struct directory_t, i); + + temp.dir.name = g_strdup(dir->name); + temp.dir.dirid = dir->dirid; + temp.parent = NULL; + temp.children = NULL; + temp.pos = i; + + g_free(dir->name); + + g_array_append_val(browse_model->rows, temp); + browse_model->num_rows++; + } + g_array_free(array, TRUE); + } +} + +static void finalize_recursive(BrowseModelRecord *record) { + if(!record->children) + return; + + for(int i = 0; i < record->children->len; i++) { + BrowseModelRecord *temp; + temp = &g_array_index(record->children, BrowseModelRecord, i); + g_free(temp->dir.name); + } +} + +static void browse_model_finalize(GObject *object) { + BrowseModel *browse_model; + + g_assert(MODEL_IS_BROWSE(object)); + + browse_model = BROWSE_MODEL(object); + + for(int i = 0; i < browse_model->rows->len; i++) { + BrowseModelRecord *temp; + temp = &g_array_index(browse_model->rows, BrowseModelRecord, i); + g_free(temp->dir.name); + finalize_recursive(temp); + } + + g_array_free(browse_model->rows, TRUE); +} + +static GtkTreeModelFlags browse_model_get_flags(GtkTreeModel *tree_model) { + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), (GtkTreeModelFlags)0); + + return GTK_TREE_MODEL_ITERS_PERSIST; +} + +static gint browse_model_get_n_columns(GtkTreeModel *tree_model) { + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), 0); + + return BROWSE_MODEL(tree_model)->n_columns; +} + +static GType browse_model_get_column_type(GtkTreeModel *tree_model, gint index) { + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), G_TYPE_INVALID); + g_return_val_if_fail(index < BROWSE_MODEL(tree_model)->n_columns && index >= 0, G_TYPE_INVALID); + + return BROWSE_MODEL(tree_model)->column_types[index]; +} + +inline static void fill_dir(BrowseModelRecord *record) { + GArray *array; + + record->children = g_array_new(FALSE, FALSE, sizeof(BrowseModelRecord)); + if(db_get_directories(record->dir.dirid, &array)) { + for(int i = 0; i < array->len; i++) { + BrowseModelRecord temp; + struct directory_t *dir; + + dir = &g_array_index(array, struct directory_t, i); + temp.dir.name = g_strdup(dir->name); + temp.dir.dirid = dir->dirid; + temp.parent = record; + temp.children = NULL; + temp.pos = i; + + g_array_append_val(record->children, temp); + + g_free(dir->name); + } + g_array_free(array, TRUE); + } +} + +#define BROWSE_MODEL_ENSURE_CHILDREN(obj) if(!(obj)->children) fill_dir((obj)) + +inline static BrowseModelRecord *browse_model_get_record_recursive(BrowseModel *browse_model, gint *indices, gint depth) { + BrowseModelRecord *temp; + if(depth == 1) { + return &g_array_index(browse_model->rows, BrowseModelRecord, indices[depth-1]); + } else { + temp = browse_model_get_record_recursive(browse_model, indices, depth-1); + BROWSE_MODEL_ENSURE_CHILDREN(temp); + return &g_array_index(temp->children, BrowseModelRecord, indices[depth-1]); + } +} + +static gboolean browse_model_get_iter(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path) { + BrowseModel *browse_model; + BrowseModelRecord *record; + gint *indices, n, depth; + + g_assert(MODEL_IS_BROWSE(tree_model)); + g_assert(path != NULL); + + browse_model = BROWSE_MODEL(tree_model); + + indices = gtk_tree_path_get_indices(path); + depth = gtk_tree_path_get_depth(path); + + n = indices[depth-1]; + //if(n >= browse_model->num_rows || n < 0) + // return FALSE; + + //record = &g_array_index(browse_model->rows, BrowseModelRecord, n); + record = browse_model_get_record_recursive(browse_model, indices, depth); + + g_assert(record != NULL); + g_assert(record->pos == n); + + iter->stamp = browse_model->stamp; + iter->user_data = record; + iter->user_data2 = NULL; + iter->user_data3 = NULL; + + return TRUE; +} + +static GtkTreePath *browse_model_get_path(GtkTreeModel *tree_model, GtkTreeIter *iter) { + GtkTreePath *path; + BrowseModelRecord *record; + BrowseModel *browse_model; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), NULL); + g_return_val_if_fail(iter != NULL, NULL); + g_return_val_if_fail(iter->user_data != NULL, NULL); + + browse_model = BROWSE_MODEL(tree_model); + + record = (BrowseModelRecord*)iter->user_data; + + path = gtk_tree_path_new(); + gtk_tree_path_append_index(path, record->pos); + + return path; +} + +static void browse_model_get_value(GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value) { + BrowseModelRecord *record; + BrowseModel *browse_model; + + g_return_if_fail(MODEL_IS_BROWSE(tree_model)); + g_return_if_fail(iter != NULL); + g_return_if_fail(column < BROWSE_MODEL(tree_model)->n_columns); + + g_value_init(value, BROWSE_MODEL(tree_model)->column_types[column]); + + browse_model = BROWSE_MODEL(tree_model); + + record = (BrowseModelRecord*)iter->user_data; + + g_return_if_fail(record != NULL); + + //if(record->pos >= browse_model->num_rows) + // g_return_if_reached(); + + switch(column) { + case BROWSE_MODEL_COL_NAME: + g_value_set_string_take_ownership(value, (record->parent == NULL ? g_strdup(record->dir.name) : g_path_get_basename(record->dir.name))); + break; + } +} + +static gboolean browse_model_iter_next(GtkTreeModel *tree_model, GtkTreeIter *iter) { + BrowseModelRecord *record, *nextrecord; + BrowseModel *browse_model; + GArray *array; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), FALSE); + + if(iter == NULL || iter->user_data == NULL) + return FALSE; + + browse_model = BROWSE_MODEL(tree_model); + + record = (BrowseModelRecord*)iter->user_data; + + BROWSE_MODEL_ENSURE_CHILDREN(record); + + array = (record->parent ? record->parent->children : browse_model->rows); + + if((record->pos + 1) >= array->len) + return FALSE; + + nextrecord = &g_array_index(array, BrowseModelRecord, record->pos + 1); + + g_assert(nextrecord != NULL); + g_assert(nextrecord->pos == (record->pos + 1)); + + iter->stamp = browse_model->stamp; + iter->user_data = nextrecord; + + return TRUE; +} + +static gboolean browse_model_iter_children(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent) { + BrowseModel *browse_model; + BrowseModelRecord *parent_record; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), FALSE); + + browse_model = BROWSE_MODEL(tree_model); + + if(!parent) { + if(browse_model->num_rows == 0) + return FALSE; + iter->stamp = browse_model->stamp; + iter->user_data = &g_array_index(browse_model->rows, BrowseModelRecord, 0); + return TRUE; + } + + //g_return_val_if_fail(parent == NULL || parent->user_data != NULL, FALSE); + + parent_record = (BrowseModelRecord*)parent->user_data; + + BROWSE_MODEL_ENSURE_CHILDREN(parent_record); + + if(parent_record->children->len == 0) + return FALSE; + + iter->stamp = browse_model->stamp; + iter->user_data = &g_array_index(parent_record->children, BrowseModelRecord, 0); + + return TRUE; +} + +static gboolean browse_model_iter_has_child(GtkTreeModel *tree_model, GtkTreeIter *iter) { + BrowseModelRecord *record; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), FALSE); + + record = (BrowseModelRecord*)iter->user_data; + BROWSE_MODEL_ENSURE_CHILDREN(record); + + return (record->parent == NULL && BROWSE_MODEL(tree_model)->num_rows == 0 ? FALSE : (record->children->len > 0 ? TRUE : FALSE)); +} + +static gint browse_model_iter_n_children(GtkTreeModel *tree_model, GtkTreeIter *iter) { + BrowseModel *browse_model; + BrowseModelRecord *record; + GArray *array; + int n; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), -1); + g_return_val_if_fail(iter == NULL || iter->user_data != NULL, 0); + + browse_model = BROWSE_MODEL(tree_model); + + if(!iter) { + return browse_model->num_rows; + } + + record = (BrowseModelRecord*)iter->user_data; + + //array = NULL; + //g_return_val_if_fail(db_get_wallpapers(record->dir.dirid, &array), -1); + //for(n = 0; (&g_array_index(array, struct wallpaper_t, n))->filepath; n++); + + BROWSE_MODEL_ENSURE_CHILDREN(record); + + return record->children->len; + + return n; +} + +static gboolean browse_model_iter_nth_child(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n) { + BrowseModelRecord *record, *parent_record; + BrowseModel *browse_model; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), FALSE); + + browse_model = BROWSE_MODEL(tree_model); + + if(!parent) { + if(n >= browse_model->num_rows) + return FALSE; + record = &g_array_index(browse_model->rows, BrowseModelRecord, n); + + iter->stamp = browse_model->stamp; + iter->user_data = record; + + return TRUE; + } + + //if(n >= browse_model->num_rows) + // return FALSE; + + parent_record = parent->user_data; + + BROWSE_MODEL_ENSURE_CHILDREN(parent_record); + + if(n >= parent_record->children->len) + return FALSE; + + record = &g_array_index(parent_record->children, BrowseModelRecord, n); + + g_assert(record != NULL); + g_assert(record->pos == n); + + iter->stamp = browse_model->stamp; + iter->user_data = record; + + return TRUE; +} + +static gboolean browse_model_iter_parent(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child) { + BrowseModelRecord *record, *childrecord; + BrowseModel *browse_model; + + g_return_val_if_fail(MODEL_IS_BROWSE(tree_model), FALSE); + + browse_model = BROWSE_MODEL(tree_model); + + childrecord = (BrowseModelRecord*)child->user_data; + + iter->stamp = browse_model->stamp; + iter->user_data = childrecord->parent; + + return TRUE; +} + +BrowseModel *browse_model_new() { + BrowseModel *new_browse_model; + + new_browse_model = (BrowseModel*)g_object_new(MODEL_TYPE_BROWSE, NULL); + + g_assert(new_browse_model != NULL); + + return new_browse_model; +} + +void browse_model_get_dir_record(GtkTreeModel *tree_model, GtkTreeIter *iter, struct directory_t **dir) { + BrowseModel *browse_model; + BrowseModelRecord *record; + + g_assert(MODEL_IS_BROWSE(tree_model)); + g_assert(iter != NULL); + + browse_model = BROWSE_MODEL(tree_model); + record = (BrowseModelRecord*)iter->user_data; + *dir = &record->dir; +} |