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<HTML><HEAD><TITLE>A CList example</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.49"><LINKREL="HOME"TITLE="GTK+ 1.2 Tutorial"HREF="gtk-tut.html"><LINKREL="UP"TITLE="CList Widget"HREF="ch-clistwidget.html"><LINKREL="PREVIOUS"TITLE="The signals that bring it together"HREF="sec-thesignalsthatbringittogether.html"><LINKREL="NEXT"TITLE="CTree Widget"HREF="ch-ctreewidget.html"></HEAD></head><body bgcolor="#FFFFFF" marginheight=0 marginwidth=0 width="100%"><table cellspacing=6 border=0 cellpadding=0 width="100%"> <tr> <td bgcolor="#FFFFFF" valign=top nowrap> <centeR><A HREF="/"><img src="/images/gtk-logo-rgb.gif" width=107 height=140 border=0></A> <font face="helvetica,lucidia" color="#000000"><BR><BR><b>GTK+<BR>The GIMP Toolkit</b></center><BR><table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>General</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="/">Introduction</A><BR><A HREF="/screenshots/">Screenshots</A><br><A HREF="/download/">Download</A><br><A HREF="/mailinglists.html">Mailing Lists</A><BR><A HREF="/bindings.html">Language Bindings</A><BR><A HREF="http://gtk.themes.org/">Themes</A><BR><A HREF="/bugs.html">Bug Tracker</A><BR></td></tr></table></td></tr></table><BR> <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>Documentation</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="/faq/">FAQ</A><br><A HREF="/tutorial/">Tutorial</A><BR><A HREF="/api/">API Reference</A><br><A HREF="/books.html">Published Books</A><BR></td></tr></table></td></tr></table><BR> <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>Projects</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="http://www.pango.org/">Pango</A><BR><A HREF="http://sources.redhat.com/inti/">Inti</A><BR><A HREF="http://www.gnome.org/">GNOME</A><BR><A HREF="http://user.sgic.fi/~tml/gimp/win32/">GTK+ for Win32</A><br><A HREF="http://people.redhat.com/sopwith/gtkfb/">GtkFB (Framebuffer)</A><br><A HREF="http://www.directfb.org/gtk.xml">GTK+ on DirectFB</A><BR><A HREF="/beos/">GTK+ for BeOS</A></td></tr></table></td></tr></table><BR> <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B><B>Applications</B></B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="http://www.gimp.org/">GIMP</A><BR><A HREF="http://www.abiword.org/">Abiword</A><BR><A HREF="http://www.lysator.liu.se/~alla/dia/dia.html">Dia</A><BR><A HREF="http://glade.pn.org/">Glade</A><BR><A HREF="http://www.gnucash.org/">GnuCash</A><BR><A HREF="http://www.gnome.org/projects/gnumeric/">Gnumeric</A><BR><BR><A HREF="http://www.gnome.org/applist/">GNOME Software Map</A><br></td></tr></table></td></tr></table><BR> </td> <td bgcolor="#ffffff" valign=top width="99%"><font face="lucida,helvetica"><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">GTK+ 1.2 Tutorial</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="sec-thesignalsthatbringittogether.html"><<< Previous</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 11. CList Widget</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="ch-ctreewidget.html">Next >>></A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="SEC-ACLISTEXAMPLE">11.10. A CList example</A></H1><TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="PROGRAMLISTING">/* example-start clist clist.c */#include <gtk/gtk.h>/* User clicked the "Add List" button. */void button_add_clicked( 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( 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( 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;}int main( int argc, gchar *argv[] ){ GtkWidget *window; GtkWidget *vbox, *hbox; GtkWidget *scrolled_window, *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_set_border_width(GTK_CONTAINER(vbox), 5); gtk_container_add(GTK_CONTAINER(window), vbox); gtk_widget_show(vbox); /* Create a scrolled window to pack the CList widget into */ scrolled_window = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS); gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0); gtk_widget_show (scrolled_window); /* Create the CList. 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 its 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_shadow_type (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); /* Add the CList widget to the vertical box and show it. */ gtk_container_add(GTK_CONTAINER(scrolled_window), clist); 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);}/* example-end */</PRE></TD></TR></TABLE></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="sec-thesignalsthatbringittogether.html"><<< Previous</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="gtk-tut.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="ch-ctreewidget.html">Next >>></A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">The signals that bring it together</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ch-clistwidget.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">CTree Widget</TD></TR></TABLE></DIV> </td> </tr></table> </td> </tr></table></body></BODY></HTML>⌨️ 快捷键说明
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