1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 /* 25 * Conversion parameters: 26 * inFile = gtk-GtkTreeView-drag-and-drop.html 27 * outPack = gtk 28 * outFile = TreeDragSourceT 29 * strct = GtkTreeDragSource 30 * realStrct= 31 * ctorStrct= 32 * clss = TreeDragSourceT 33 * interf = TreeDragSourceIF 34 * class Code: No 35 * interface Code: No 36 * template for: 37 * - TStruct 38 * extend = 39 * implements: 40 * prefixes: 41 * - gtk_tree_drag_source_ 42 * - gtk_tree_ 43 * omit structs: 44 * omit prefixes: 45 * - gtk_tree_drag_dest_ 46 * omit code: 47 * omit signals: 48 * imports: 49 * - gtk.TreePath 50 * - gtk.TreeModelIF 51 * - gtk.TreeModel 52 * structWrap: 53 * - GtkTreeModel* -> TreeModelIF 54 * - GtkTreePath* -> TreePath 55 * module aliases: 56 * local aliases: 57 * overrides: 58 */ 59 60 module gtk.TreeDragSourceT; 61 62 public import gtkc.gtktypes; 63 64 public import gtkc.gtk; 65 public import glib.ConstructionException; 66 public import gobject.ObjectG; 67 68 69 public import gtk.TreePath; 70 public import gtk.TreeModelIF; 71 public import gtk.TreeModel; 72 73 74 75 76 /** 77 * Description 78 * GTK+ supports Drag-and-Drop in tree views with a high-level and a low-level 79 * API. 80 * The low-level API consists of the GTK+ DND API, augmented by some treeview 81 * utility functions: gtk_tree_view_set_drag_dest_row(), 82 * gtk_tree_view_get_drag_dest_row(), gtk_tree_view_get_dest_row_at_pos(), 83 * gtk_tree_view_create_row_drag_icon(), gtk_tree_set_row_drag_data() and 84 * gtk_tree_get_row_drag_data(). This API leaves a lot of flexibility, but 85 * nothing is done automatically, and implementing advanced features like 86 * hover-to-open-rows or autoscrolling on top of this API is a lot of work. 87 * On the other hand, if you write to the high-level API, then all the 88 * bookkeeping of rows is done for you, as well as things like hover-to-open 89 * and auto-scroll, but your models have to implement the 90 * GtkTreeDragSource and GtkTreeDragDest interfaces. 91 */ 92 public template TreeDragSourceT(TStruct) 93 { 94 95 /** the main Gtk struct */ 96 protected GtkTreeDragSource* gtkTreeDragSource; 97 98 99 public GtkTreeDragSource* getTreeDragSourceTStruct() 100 { 101 return cast(GtkTreeDragSource*)getStruct(); 102 } 103 104 105 /** 106 */ 107 108 /** 109 * Asks the GtkTreeDragSource to delete the row at path, because 110 * it was moved somewhere else via drag-and-drop. Returns FALSE 111 * if the deletion fails because path no longer exists, or for 112 * some model-specific reason. Should robustly handle a path no 113 * longer found in the model! 114 * Params: 115 * path = row that was being dragged 116 * Returns: TRUE if the row was successfully deleted 117 */ 118 public int dragDataDelete(TreePath path) 119 { 120 // gboolean gtk_tree_drag_source_drag_data_delete (GtkTreeDragSource *drag_source, GtkTreePath *path); 121 return gtk_tree_drag_source_drag_data_delete(getTreeDragSourceTStruct(), (path is null) ? null : path.getTreePathStruct()); 122 } 123 124 /** 125 * Asks the GtkTreeDragSource to fill in selection_data with a 126 * representation of the row at path. selection_data->target gives 127 * the required type of the data. Should robustly handle a path no 128 * longer found in the model! 129 * Params: 130 * path = row that was dragged 131 * selectionData = a GtkSelectionData to fill with data 132 * from the dragged row. [out] 133 * Returns: TRUE if data of the required type was provided 134 */ 135 public int dragDataGet(TreePath path, GtkSelectionData* selectionData) 136 { 137 // gboolean gtk_tree_drag_source_drag_data_get (GtkTreeDragSource *drag_source, GtkTreePath *path, GtkSelectionData *selection_data); 138 return gtk_tree_drag_source_drag_data_get(getTreeDragSourceTStruct(), (path is null) ? null : path.getTreePathStruct(), selectionData); 139 } 140 141 /** 142 * Asks the GtkTreeDragSource whether a particular row can be used as 143 * the source of a DND operation. If the source doesn't implement 144 * this interface, the row is assumed draggable. 145 * Params: 146 * path = row on which user is initiating a drag 147 * Returns: TRUE if the row can be dragged 148 */ 149 public int rowDraggable(TreePath path) 150 { 151 // gboolean gtk_tree_drag_source_row_draggable (GtkTreeDragSource *drag_source, GtkTreePath *path); 152 return gtk_tree_drag_source_row_draggable(getTreeDragSourceTStruct(), (path is null) ? null : path.getTreePathStruct()); 153 } 154 155 /** 156 * Sets selection data of target type GTK_TREE_MODEL_ROW. Normally used 157 * in a drag_data_get handler. 158 * Params: 159 * selectionData = some GtkSelectionData 160 * treeModel = a GtkTreeModel 161 * path = a row in tree_model 162 * Returns: TRUE if the GtkSelectionData had the proper target type to allow us to set a tree row 163 */ 164 public static int setRowDragData(GtkSelectionData* selectionData, TreeModelIF treeModel, TreePath path) 165 { 166 // gboolean gtk_tree_set_row_drag_data (GtkSelectionData *selection_data, GtkTreeModel *tree_model, GtkTreePath *path); 167 return gtk_tree_set_row_drag_data(selectionData, (treeModel is null) ? null : treeModel.getTreeModelTStruct(), (path is null) ? null : path.getTreePathStruct()); 168 } 169 170 /** 171 * Obtains a tree_model and path from selection data of target type 172 * GTK_TREE_MODEL_ROW. Normally called from a drag_data_received handler. 173 * This function can only be used if selection_data originates from the same 174 * process that's calling this function, because a pointer to the tree model 175 * is being passed around. If you aren't in the same process, then you'll 176 * get memory corruption. In the GtkTreeDragDest drag_data_received handler, 177 * you can assume that selection data of type GTK_TREE_MODEL_ROW is 178 * in from the current process. The returned path must be freed with 179 * gtk_tree_path_free(). 180 * Params: 181 * selectionData = a GtkSelectionData 182 * treeModel = a GtkTreeModel. [out] 183 * path = row in tree_model. [out] 184 * Returns: TRUE if selection_data had target type GTK_TREE_MODEL_ROW and is otherwise valid 185 */ 186 public static int getRowDragData(GtkSelectionData* selectionData, out TreeModelIF treeModel, out TreePath path) 187 { 188 // gboolean gtk_tree_get_row_drag_data (GtkSelectionData *selection_data, GtkTreeModel **tree_model, GtkTreePath **path); 189 GtkTreeModel* outtreeModel = null; 190 GtkTreePath* outpath = null; 191 192 auto p = gtk_tree_get_row_drag_data(selectionData, &outtreeModel, &outpath); 193 194 treeModel = ObjectG.getDObject!(TreeModel, TreeModelIF)(outtreeModel); 195 path = ObjectG.getDObject!(TreePath)(outpath); 196 return p; 197 } 198 }