| 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | # example treeviewdnd.py |
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| 4 | |
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| 5 | from gi.repository import Gtk, Gdk, Pango, GObject |
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| 6 | |
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| 7 | class TreeViewDnDExample: |
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| 8 | |
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| 9 | TARGETS = [ |
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| 10 | ('MY_TREE_MODEL_ROW', Gtk.TargetFlags.SAME_WIDGET, 0), |
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| 11 | ('text/plain', 0, 1), |
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| 12 | ('TEXT', 0, 2), |
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| 13 | ('STRING', 0, 3), |
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| 14 | ] |
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| 15 | # close the window and quit |
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| 16 | def delete_event(self, widget, event, data=None): |
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| 17 | Gtk.main_quit() |
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| 18 | return False |
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| 19 | |
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| 20 | def clear_selected(self, button): |
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| 21 | selection = self.treeview.get_selection() |
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| 22 | model, iter = selection.get_selected() |
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| 23 | if iter: |
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| 24 | model.remove(iter) |
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| 25 | return |
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| 26 | |
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| 27 | def __init__(self): |
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| 28 | # Create a new window |
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| 29 | self.window = Gtk.Window() |
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| 30 | |
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| 31 | self.window.set_title("URL Cache") |
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| 32 | |
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| 33 | self.window.set_size_request(200, 200) |
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| 34 | |
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| 35 | self.window.connect("delete_event", self.delete_event) |
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| 36 | |
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| 37 | self.scrolledwindow = Gtk.ScrolledWindow() |
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| 38 | self.vbox = Gtk.VBox() |
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| 39 | self.hbox = Gtk.HButtonBox() |
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| 40 | self.vbox.pack_start(self.scrolledwindow, True, True, 0) |
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| 41 | self.vbox.pack_start(self.hbox, False, True, 0) |
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| 42 | self.b0 = Gtk.Button('Clear All') |
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| 43 | self.b1 = Gtk.Button('Clear Selected') |
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| 44 | self.hbox.pack_start(self.b0, True, True, 0) |
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| 45 | self.hbox.pack_start(self.b1, True, True, 0) |
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| 46 | |
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| 47 | # create a liststore with one string column to use as the model |
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| 48 | self.liststore = Gtk.ListStore(str) |
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| 49 | |
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| 50 | # create the TreeView using liststore |
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| 51 | self.treeview = Gtk.TreeView(self.liststore) |
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| 52 | |
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| 53 | # create a CellRenderer to render the data |
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| 54 | self.cell = Gtk.CellRendererText() |
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| 55 | |
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| 56 | # create the TreeViewColumns to display the data |
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| 57 | self.tvcolumn = Gtk.TreeViewColumn('URL', self.cell, text=0) |
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| 58 | |
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| 59 | # add columns to treeview |
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| 60 | self.treeview.append_column(self.tvcolumn) |
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| 61 | self.b0.connect_object('clicked', Gtk.ListStore.clear, self.liststore) |
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| 62 | self.b1.connect('clicked', self.clear_selected) |
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| 63 | # make treeview searchable |
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| 64 | self.treeview.set_search_column(0) |
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| 65 | |
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| 66 | # Allow sorting on the column |
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| 67 | self.tvcolumn.set_sort_column_id(0) |
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| 68 | |
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| 69 | # Allow enable drag and drop of rows including row move |
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| 70 | self.treeview.enable_model_drag_source( Gdk.ModifierType.BUTTON1_MASK, |
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| 71 | self.TARGETS, |
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| 72 | Gdk.DragAction.DEFAULT| |
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| 73 | Gdk.DragAction.MOVE) |
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| 74 | self.treeview.enable_model_drag_dest(self.TARGETS, |
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| 75 | Gdk.DragAction.DEFAULT) |
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| 76 | self.treeview.drag_dest_add_text_targets() |
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| 77 | self.treeview.drag_source_add_text_targets() |
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| 78 | |
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| 79 | self.treeview.connect("drag_data_get", self.drag_data_get_data) |
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| 80 | self.treeview.connect("drag_data_received", |
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| 81 | self.drag_data_received_data) |
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| 82 | |
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| 83 | self.scrolledwindow.add(self.treeview) |
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| 84 | self.window.add(self.vbox) |
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| 85 | self.window.show_all() |
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| 86 | |
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| 87 | def drag_data_get_data(self, treeview, context, selection, target_id, |
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| 88 | etime): |
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| 89 | treeselection = treeview.get_selection() |
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| 90 | model, iter = treeselection.get_selected() |
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| 91 | print "model: %s, iter: %s" % (model, iter) |
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| 92 | value = model.get_value(iter, 0) |
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| 93 | print value |
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| 94 | data = bytes(value) |
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| 95 | selection.set(selection.get_target(), 8, data) |
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| 96 | |
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| 97 | def drag_data_received_data(self, treeview, context, x, y, selection, |
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| 98 | info, etime): |
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| 99 | model = treeview.get_model() |
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| 100 | data = selection.get_data().decode("utf-8") |
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| 101 | drop_info = treeview.get_dest_row_at_pos(x, y) |
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| 102 | if drop_info: |
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| 103 | path, position = drop_info |
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| 104 | iter = model.get_iter(path) |
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| 105 | if (position == Gtk.TreeViewDropPosition.BEFORE |
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| 106 | or position == Gtk.TreeViewDropPosition.BEFORE): |
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| 107 | model.insert_before(iter, [data]) |
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| 108 | else: |
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| 109 | model.insert_after(iter, [data]) |
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| 110 | else: |
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| 111 | model.append([data]) |
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| 112 | if context.get_actions() == Gdk.DragAction.MOVE: |
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| 113 | context.finish(True, True, etime) |
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| 114 | return |
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| 115 | |
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| 116 | def main(): |
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| 117 | Gtk.main() |
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| 118 | |
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| 119 | if __name__ == "__main__": |
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| 120 | treeviewdndex = TreeViewDnDExample() |
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| 121 | main() |
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