Editing in GtkTreeView - Automatic Edit and Unwanted Edit Box?
- From: Tony Cowderoy <tony cowderoy co uk>
- To: gtk-app-devel-list gnome org
- Subject: Editing in GtkTreeView - Automatic Edit and Unwanted Edit Box?
- Date: Sun, 19 Aug 2007 17:16:49 +0100
I'm new to Gtk, so I'm not sure if I've looked in the right places yet,
but I have tried to RTFM before asking these two questions.
I'm working on Windows XP with MSYS/Mingw and GTK+ 2.10.11 and I'm using
Glade/libglade to define the UI. I've pasted in the relevant source
code, which is very much a "work in progress", at the end of this message.
First question - is there any (preferably easy) way with a GtkTreeView
to make any editable cell that is selected automatically enter edit mode
and automatically commit the changes when focus moves elsewhere?
Second - in the application that I'm trying to develop I have a
GtkTreeview with data in a GtkListStore and some, but not all, of the
cells editable. If I have a cell selected, but not opened for editing
(this includes non-editable cells) and I then start typing, an editable
box appears in the bottom right-hand corner of the GtkTreeView, which
displays what I'm typing. If I press enter, it goes away and the text
of the selected cell is not updated. Does anyone know why this odd
behaviour is happening and what I can do to stop it?
Here are the relevant bits of source code:
/* Notebook Page Numbers */
enum {
NB_PAGE_TITLE,
NB_PAGE_LABOUR
};
/* List column numbers */
enum {
LABOUR_GROUP,
LABOUR_OPS_SHIFT,
LABOUR_SHIFTS,
LABOUR_TOTAL_OPS,
LABOUR_OVERTIME,
LABOUR_HIRE,
LABOUR_FIRE,
LABOUR_RETRAIN_FROM,
LABOUR_RETRAIN_TO,
LABOUR_LEFT_PAD,
LABOUR_N_COLUMNS
};
#ifdef G_OS_WIN32
#define HANDLER __declspec(dllexport)
#endif
void labour_cell_edited (GtkCellRendererText *cell,
gchar *path_string,
gchar *new_text,
gpointer model) {
if(!model) {g_error("Unable to get model from cell renderer");}
GtkTreeIter row;
gtk_tree_model_get_iter_from_string(model, &row, path_string);
guint column_no = GPOINTER_TO_UINT(g_object_get_data(
G_OBJECT(cell), "column_no"));
g_print("Column :%d, new text: \"%s\"\n", column_no, new_text);
};
HANDLER void on_labour_menu_item_activate(GtkWidget *widget, gpointer
user_data) {
gtk_notebook_set_current_page(
GTK_NOTEBOOK(glade_xml_get_widget(xml, "main_notebook")),
NB_PAGE_LABOUR);
GtkTreeView *view = GTK_TREE_VIEW(glade_xml_get_widget(xml,
"labour_treeview"));
/* If the TreeView hasn't been intialised, we set it up here */
gtk_tree_view_set_grid_lines(view, GTK_TREE_VIEW_GRID_LINES_BOTH);
if (!gtk_tree_view_get_model(view)) {
GtkListStore *new_store = gtk_list_store_new (LABOUR_N_COLUMNS,
G_TYPE_STRING,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_DOUBLE,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_STRING);
gtk_tree_view_set_model(view, GTK_TREE_MODEL(new_store));
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
/* Labour Group */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes (
"Labour Group", renderer,
"text", LABOUR_GROUP,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Ops Per Shift */
renderer = gtk_cell_renderer_text_new();
g_object_set_data(G_OBJECT(renderer), "column_no",
GUINT_TO_POINTER(LABOUR_OPS_SHIFT));
g_object_set(renderer, "editable", TRUE, "xalign", 1.0, NULL);
g_signal_connect(renderer, "edited",
(GCallback) labour_cell_edited,
gtk_tree_view_get_model(view));
column = gtk_tree_view_column_new_with_attributes (
"Operators/Shift", renderer,
"text", LABOUR_OPS_SHIFT,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Shifts */
renderer = gtk_cell_renderer_text_new();
g_object_set(renderer, /*"editable", TRUE,*/ "xalign", 1.0, NULL);
column = gtk_tree_view_column_new_with_attributes (
"Shifts", renderer,
"text", LABOUR_SHIFTS,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Total operators */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes (
"Total Operators", renderer,
"text", LABOUR_TOTAL_OPS,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Overtime */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes (
"Overtime Hrs/Op.", renderer,
"text", LABOUR_OVERTIME,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Hire */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes (
"Hire", renderer,
"text", LABOUR_HIRE,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Fire */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes ("Fire",
renderer,
"text",
LABOUR_FIRE,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Retrain From */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes ("Retrain From",
renderer,
"text",
LABOUR_RETRAIN_FROM,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Retrain To */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes ("Retrain To",
renderer,
"text",
LABOUR_RETRAIN_TO,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* Padding */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes ("",
renderer,
"text",
LABOUR_LEFT_PAD,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_column_set_alignment(column, 1.0);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
}
/* Now we clear any existing data in the model and load data from
the labour file */
GtkListStore *model = GTK_LIST_STORE(gtk_tree_view_get_model(view));
gtk_list_store_clear(model);
gchar *work_path;
if (team_mode) {
work_path = g_key_file_get_string(app_rc_key_file, "Paths",
"team_work_path", NULL);
}
else {
work_path = g_key_file_get_string(app_rc_key_file, "Paths",
"personal_path", NULL);
}
gchar *labour_path = g_build_filename (work_path, LABOUR_FILE_NAME,
NULL);
g_free(work_path);
GIOChannel *channel = g_io_channel_new_file(labour_path, "r", NULL);
GString *line = g_string_new("");
while ((g_io_channel_read_line_string(channel, line,
NULL, NULL)) ==
G_IO_STATUS_NORMAL) {
gchar *group;
group = g_strstrip(g_strndup(line->str, 16));
gchar *field;
field = g_strndup(line->str + 16, 4);
gint ops_shift = g_ascii_strtoll(field, NULL, 10);
g_free(field);
field = g_strndup(line->str + 20, 3);
gint shifts = g_ascii_strtoll(field, NULL, 10);
g_free(field);
field = g_strndup(line->str + 23, 5);
gdouble overtime = g_ascii_strtod(field, NULL);
g_free(field);
GtkTreeIter row;
gtk_list_store_append(model, &row);
gtk_list_store_set(model, &row,
LABOUR_GROUP, group,
LABOUR_OPS_SHIFT, ops_shift,
LABOUR_SHIFTS, shifts,
LABOUR_TOTAL_OPS, ops_shift * shifts,
LABOUR_OVERTIME, overtime,
LABOUR_HIRE, 0,
LABOUR_FIRE, 0,
LABOUR_RETRAIN_FROM, 0,
LABOUR_RETRAIN_TO, 0,
-1);
g_free(group);
}
g_io_channel_shutdown(channel, FALSE, NULL);
g_io_channel_unref(channel);
}
Any hints to where I should be looking will be much appeciated.
TIA
Tony Cowderoy
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