1 /* example-start text text.c */
8 void text_toggle_editable (GtkWidget *checkbutton,
11 gtk_text_set_editable(GTK_TEXT(text),
12 GTK_TOGGLE_BUTTON(checkbutton)->active);
15 void text_toggle_word_wrap (GtkWidget *checkbutton,
18 gtk_text_set_word_wrap(GTK_TEXT(text),
19 GTK_TOGGLE_BUTTON(checkbutton)->active);
22 void close_application( GtkWidget *widget, gpointer data )
27 int main (int argc, char *argv[])
37 GtkWidget *vscrollbar;
45 gtk_init (&argc, &argv);
47 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
48 gtk_widget_set_usize (window, 600, 500);
49 gtk_window_set_policy (GTK_WINDOW(window), TRUE, TRUE, FALSE);
50 gtk_signal_connect (GTK_OBJECT (window), "destroy",
51 GTK_SIGNAL_FUNC(close_application),
53 gtk_window_set_title (GTK_WINDOW (window), "Text Widget Example");
54 gtk_container_set_border_width (GTK_CONTAINER (window), 0);
57 box1 = gtk_vbox_new (FALSE, 0);
58 gtk_container_add (GTK_CONTAINER (window), box1);
59 gtk_widget_show (box1);
62 box2 = gtk_vbox_new (FALSE, 10);
63 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
64 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
65 gtk_widget_show (box2);
68 table = gtk_table_new (2, 2, FALSE);
69 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
70 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
71 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
72 gtk_widget_show (table);
74 /* Create the GtkText widget */
75 text = gtk_text_new (NULL, NULL);
76 gtk_text_set_editable (GTK_TEXT (text), TRUE);
77 gtk_table_attach (GTK_TABLE (table), text, 0, 1, 0, 1,
78 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
79 GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
80 gtk_widget_show (text);
82 /* Add a vertical scrollbar to the GtkText widget */
83 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
84 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
85 GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);
86 gtk_widget_show (vscrollbar);
88 /* Get the system colour map and allocate the colour red */
89 cmap = gdk_colormap_get_system();
93 if (!gdk_color_alloc(cmap, &colour)) {
94 g_error("couldn't allocate colour");
97 /* Load a fixed font */
98 fixed_font = gdk_font_load ("-misc-fixed-medium-r-*-*-*-140-*-*-*-*-*-*");
100 /* Realizing a widget creates a window for it, ready for us to insert some text */
101 gtk_widget_realize (text);
103 /* Freeze the text widget, ready for multiple updates */
104 gtk_text_freeze (GTK_TEXT (text));
106 /* Insert some coloured text */
107 gtk_text_insert (GTK_TEXT (text), NULL, &text->style->black, NULL,
109 gtk_text_insert (GTK_TEXT (text), NULL, &colour, NULL,
111 gtk_text_insert (GTK_TEXT (text), NULL, &text->style->black, NULL,
112 "text and different ", -1);
113 gtk_text_insert (GTK_TEXT (text), fixed_font, &text->style->black, NULL,
116 /* Load the file text.c into the text window */
118 infile = fopen("text.c", "r");
126 nchars = fread(buffer, 1, 1024, infile);
127 gtk_text_insert (GTK_TEXT (text), fixed_font, NULL,
128 NULL, buffer, nchars);
137 /* Thaw the text widget, allowing the updates to become visible */
138 gtk_text_thaw (GTK_TEXT (text));
140 hbox = gtk_hbutton_box_new ();
141 gtk_box_pack_start (GTK_BOX (box2), hbox, FALSE, FALSE, 0);
142 gtk_widget_show (hbox);
144 check = gtk_check_button_new_with_label("Editable");
145 gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, FALSE, 0);
146 gtk_signal_connect (GTK_OBJECT(check), "toggled",
147 GTK_SIGNAL_FUNC(text_toggle_editable), text);
148 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), TRUE);
149 gtk_widget_show (check);
150 check = gtk_check_button_new_with_label("Wrap Words");
151 gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, TRUE, 0);
152 gtk_signal_connect (GTK_OBJECT(check), "toggled",
153 GTK_SIGNAL_FUNC(text_toggle_word_wrap), text);
154 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), FALSE);
155 gtk_widget_show (check);
157 separator = gtk_hseparator_new ();
158 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
159 gtk_widget_show (separator);
161 box2 = gtk_vbox_new (FALSE, 10);
162 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
163 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
164 gtk_widget_show (box2);
166 button = gtk_button_new_with_label ("close");
167 gtk_signal_connect (GTK_OBJECT (button), "clicked",
168 GTK_SIGNAL_FUNC(close_application),
170 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
171 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
172 gtk_widget_grab_default (button);
173 gtk_widget_show (button);
175 gtk_widget_show (window);