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add section on GtkCList widget, contributed by Stefan Mars

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Thu Jun 25 07:53:51 BST 1998  Tony Gale  <gale@gtk.org>

        * docs/gtk_tut.sgml: add section on GtkCList widget, contributed                                       by Stefan Mars <mars@lysator.liu.se>
        * examples/clist/clist.c examples/clist/Makefile: example code
          for GtkCList widget from the Tutorial
This commit is contained in:
BST 1998 Tony Gale
1998-06-25 08:57:29 +00:00
committed by Tony Gale
parent e5e47e6879
commit 713cecba4c
11 changed files with 1660 additions and 12 deletions
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173
examples/clist/clist.c Normal file
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/* example-start clist clist.c */
#include <gtk/gtk.h>
#include <glib.h>
/* These are just the prototypes of the various callbacks */
void button_add_clicked( GtkWidget *button, gpointer data);
void button_clear_clicked( GtkWidget *button, gpointer data);
void button_hide_show_clicked( GtkWidget *button, gpointer data);
void selection_made( GtkWidget *clist, gint row, gint column,
GdkEventButton *event, gpointer data);
gint main (int argc, gchar *argv[])
{
GtkWidget *window;
GtkWidget *vbox, *hbox;
GtkWidget *clist;
GtkWidget *button_add, *button_clear, *button_hide_show;
gchar *titles[2] = {"Ingredients","Amount"};
gtk_init(&argc, &argv);
window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_widget_set_usize(GTK_WIDGET(window), 300, 150);
gtk_window_set_title(GTK_WINDOW(window), "GtkCList Example");
gtk_signal_connect(GTK_OBJECT(window),
"destroy",
GTK_SIGNAL_FUNC(gtk_main_quit),
NULL);
vbox=gtk_vbox_new(FALSE, 5);
gtk_container_border_width(GTK_CONTAINER(vbox), 5);
gtk_container_add(GTK_CONTAINER(window), vbox);
gtk_widget_show(vbox);
/* Create the GtkCList. For this example we use 2 columns */
clist = gtk_clist_new_with_titles( 2, titles);
/* When a selection is made, we want to know about it. The callback
* used is selection_made, and it's code can be found further down */
gtk_signal_connect(GTK_OBJECT(clist), "select_row",
GTK_SIGNAL_FUNC(selection_made),
NULL);
/* It isn't necessary to shadow the border, but it looks nice :) */
gtk_clist_set_border(GTK_CLIST(clist), GTK_SHADOW_OUT);
/* What however is important, is that we set the column widths as
* they will never be right otherwise. Note that the columns are
* numbered from 0 and up (to 1 in this case).
*/
gtk_clist_set_column_width (GTK_CLIST(clist), 0, 150);
/* Scollbars _only when needed_ */
gtk_clist_set_policy(GTK_CLIST(clist), GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
/* Add the GtkCList widget to the vertical box and show it. */
gtk_box_pack_start(GTK_BOX(vbox), clist, TRUE, TRUE, 0);
gtk_widget_show(clist);
/* Create the buttons and add them to the window. See the button
* tutorial for more examples and comments on this.
*/
hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 0);
gtk_widget_show(hbox);
button_add = gtk_button_new_with_label("Add List");
button_clear = gtk_button_new_with_label("Clear List");
button_hide_show = gtk_button_new_with_label("Hide/Show titles");
gtk_box_pack_start(GTK_BOX(hbox), button_add, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), button_clear, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(hbox), button_hide_show, TRUE, TRUE, 0);
/* Connect our callbacks to the three buttons */
gtk_signal_connect_object(GTK_OBJECT(button_add), "clicked",
GTK_SIGNAL_FUNC(button_add_clicked),
(gpointer) clist);
gtk_signal_connect_object(GTK_OBJECT(button_clear), "clicked",
GTK_SIGNAL_FUNC(button_clear_clicked),
(gpointer) clist);
gtk_signal_connect_object(GTK_OBJECT(button_hide_show), "clicked",
GTK_SIGNAL_FUNC(button_hide_show_clicked),
(gpointer) clist);
gtk_widget_show(button_add);
gtk_widget_show(button_clear);
gtk_widget_show(button_hide_show);
/* The interface is completely set up so we show the window and
* enter the gtk_main loop.
*/
gtk_widget_show(window);
gtk_main();
return 0;
}
/* User clicked the "Add List" button. */
void button_add_clicked( GtkWidget *button, gpointer data)
{
int indx;
/* Something silly to add to the list. 4 rows of 2 columns each */
gchar *drink[4][2] = {{"Milk", "3 Oz"},
{"Water", "6 l"},
{"Carrots", "2"},
{"Snakes", "55"}};
/* Here we do the actual adding of the text. It's done once for
* each row.
*/
for( indx=0; indx < 4; indx++)
gtk_clist_append( (GtkCList*) data, drink[indx]);
return;
}
/* User clicked the "Clear List" button. */
void button_clear_clicked( GtkWidget *button, gpointer data)
{
/* Clear the list using gtk_clist_clear. This is much faster than
* calling gtk_clist_remove once for each row.
*/
gtk_clist_clear((GtkCList*) data);
return;
}
/* The user clicked the "Hide/Show titles" button. */
void button_hide_show_clicked( GtkWidget *button, gpointer data)
{
/* Just a flag to remember the status. 0 = currently visible */
static short int flag = 0;
if (flag == 0)
{
/* Hide the titles and set the flag to 1 */
gtk_clist_column_titles_hide((GtkCList*) data);
flag++;
}
else
{
/* Show the titles and reset flag to 0 */
gtk_clist_column_titles_show((GtkCList*) data);
flag--;
}
return;
}
/* If we come here, then the user has selected a row in the list. */
void selection_made( GtkWidget *clist, gint row, gint column,
GdkEventButton *event, gpointer data)
{
gchar *text;
/* Get the text that is stored in the selected row and column
* which was clicked in. We will receive it as a pointer in the
* argument text.
*/
gtk_clist_get_text(GTK_CLIST(clist), row, column, &text);
/* Just prints some information about the selected row */
g_print("You selected row %d. More specifically you clicked in column %d, and the text in this cell is %s\n\n", row, column, text);
return;
}
/* example-end */