1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/* Tree View/List Store
*
* The GtkListStore is used to store data in list form, to be used
* later on by a GtkTreeView to display it. This demo builds a
* simple GtkListStore and displays it. See the Stock Browser
* demo for a more advanced example.
*
*/
#include <gtk/gtk.h>
static GtkWidget *window = NULL;
typedef struct
{
const gboolean fixed;
const guint number;
const gchar *severity;
const gchar *description;
}
Bug;
enum
{
COLUMN_FIXED,
COLUMN_NUMBER,
COLUMN_SEVERITY,
COLUMN_DESCRIPTION,
NUM_COLUMNS
};
static Bug data[] =
{
{ FALSE, 60482, "Normal", "scrollable notebooks and hidden tabs" },
{ FALSE, 60620, "Critical", "gdk_window_clear_area (gdkwindow-win32.c) is not thread-safe" },
{ FALSE, 50214, "Major", "Xft support does not clean up correctly" },
{ TRUE, 52877, "Major", "GtkFileSelection needs a refresh method. " },
{ FALSE, 56070, "Normal", "Can't click button after setting in sensitive" },
{ TRUE, 56355, "Normal", "GtkLabel - Not all changes propagate correctly" },
{ FALSE, 50055, "Normal", "Rework width/height computations for TreeView" },
{ FALSE, 58278, "Normal", "gtk_dialog_set_response_sensitive () doesn't work" },
{ FALSE, 55767, "Normal", "Getters for all setters" },
{ FALSE, 56925, "Normal", "Gtkcalender size" },
{ FALSE, 56221, "Normal", "Selectable label needs right-click copy menu" },
{ TRUE, 50939, "Normal", "Add shift clicking to GtkTextView" },
{ FALSE, 6112, "Enhancement","netscape-like collapsable toolbars" },
{ FALSE, 1, "Normal", "First bug :=)" },
};
static GtkTreeModel *
create_model (void)
{
gint i = 0;
GtkListStore *store;
GtkTreeIter iter;
/* create list store */
store = gtk_list_store_new (NUM_COLUMNS,
G_TYPE_BOOLEAN,
G_TYPE_UINT,
G_TYPE_STRING,
G_TYPE_STRING);
/* add data to the list store */
for (i = 0; i < G_N_ELEMENTS (data); i++)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COLUMN_FIXED, data[i].fixed,
COLUMN_NUMBER, data[i].number,
COLUMN_SEVERITY, data[i].severity,
COLUMN_DESCRIPTION, data[i].description,
-1);
}
return GTK_TREE_MODEL (store);
}
static void
fixed_toggled (GtkCellRendererToggle *cell,
gchar *path_str,
gpointer data)
{
GtkTreeModel *model = (GtkTreeModel *)data;
GtkTreeIter iter;
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
gboolean fixed;
/* get toggled iter */
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, COLUMN_FIXED, &fixed, -1);
/* do something with the value */
fixed ^= 1;
/* set new value */
gtk_list_store_set (GTK_LIST_STORE (model), &iter, COLUMN_FIXED, fixed, -1);
/* clean up */
gtk_tree_path_free (path);
}
static void
add_columns (GtkTreeView *treeview)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkTreeModel *model = gtk_tree_view_get_model (treeview);
/* column for fixed toggles */
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (fixed_toggled), model);
column = gtk_tree_view_column_new_with_attributes ("Fixed?",
renderer,
"active", COLUMN_FIXED,
NULL);
/* set this column to a fixed sizing (of 50 pixels) */
gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
GTK_TREE_VIEW_COLUMN_FIXED);
gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
gtk_tree_view_append_column (treeview, column);
/* column for bug numbers */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Bug number",
renderer,
"text",
COLUMN_NUMBER,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_NUMBER);
gtk_tree_view_append_column (treeview, column);
/* column for severities */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Severity",
renderer,
"text",
COLUMN_SEVERITY,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_SEVERITY);
gtk_tree_view_append_column (treeview, column);
/* column for description */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Description",
renderer,
"text",
COLUMN_DESCRIPTION,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_DESCRIPTION);
gtk_tree_view_append_column (treeview, column);
}
GtkWidget *
do_list_store (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *sw;
GtkTreeModel *model;
GtkWidget *treeview;
/* create window, etc */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "GtkListStore demo");
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
gtk_container_set_border_width (GTK_CONTAINER (window), 8);
vbox = gtk_vbox_new (FALSE, 8);
gtk_container_add (GTK_CONTAINER (window), vbox);
label = gtk_label_new ("This is the bug list (note: not based on real data, it would be nice to have a nice ODBC interface to bugzilla or so, though).");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
GTK_SHADOW_ETCHED_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);
/* create tree model */
model = create_model ();
/* create tree view */
treeview = gtk_tree_view_new_with_model (model);
gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (treeview),
COLUMN_DESCRIPTION);
g_object_unref (model);
gtk_container_add (GTK_CONTAINER (sw), treeview);
/* add columns to the tree view */
add_columns (GTK_TREE_VIEW (treeview));
/* finish & show */
gtk_window_set_default_size (GTK_WINDOW (window), 280, 250);
}
if (!GTK_WIDGET_VISIBLE (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}
|
