diff options
Diffstat (limited to 'gtk+-mingw/share/gtk-3.0/demo/assistant.c')
| -rw-r--r-- | gtk+-mingw/share/gtk-3.0/demo/assistant.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/gtk+-mingw/share/gtk-3.0/demo/assistant.c b/gtk+-mingw/share/gtk-3.0/demo/assistant.c deleted file mode 100644 index 7d7fbcd..0000000 --- a/gtk+-mingw/share/gtk-3.0/demo/assistant.c +++ /dev/null @@ -1,201 +0,0 @@ -/* Assistant - * - * Demonstrates a sample multi-step assistant. Assistants are used to divide - * an operation into several simpler sequential steps, and to guide the user - * through these steps. - */ - -#include <gtk/gtk.h> -#include "demo-common.h" - -static GtkWidget *assistant = NULL; -static GtkWidget *progress_bar = NULL; - -static gboolean -apply_changes_gradually (gpointer data) -{ - gdouble fraction; - - /* Work, work, work... */ - fraction = gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (progress_bar)); - fraction += 0.05; - - if (fraction < 1.0) - { - gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress_bar), fraction); - return G_SOURCE_CONTINUE; - } - else - { - /* Close automatically once changes are fully applied. */ - gtk_widget_destroy (assistant); - assistant = NULL; - return G_SOURCE_REMOVE; - } -} - -static void -on_assistant_apply (GtkWidget *widget, gpointer data) -{ - /* Start a timer to simulate changes taking a few seconds to apply. */ - g_timeout_add (100, apply_changes_gradually, NULL); -} - -static void -on_assistant_close_cancel (GtkWidget *widget, gpointer data) -{ - GtkWidget **assistant = (GtkWidget **) data; - - gtk_widget_destroy (*assistant); - *assistant = NULL; -} - -static void -on_assistant_prepare (GtkWidget *widget, GtkWidget *page, gpointer data) -{ - gint current_page, n_pages; - gchar *title; - - current_page = gtk_assistant_get_current_page (GTK_ASSISTANT (widget)); - n_pages = gtk_assistant_get_n_pages (GTK_ASSISTANT (widget)); - - title = g_strdup_printf ("Sample assistant (%d of %d)", current_page + 1, n_pages); - gtk_window_set_title (GTK_WINDOW (widget), title); - g_free (title); - - /* The fourth page (counting from zero) is the progress page. The - * user clicked Apply to get here so we tell the assistant to commit, - * which means the changes up to this point are permanent and cannot - * be cancelled or revisited. */ - if (current_page == 3) - gtk_assistant_commit (GTK_ASSISTANT (widget)); -} - -static void -on_entry_changed (GtkWidget *widget, gpointer data) -{ - GtkAssistant *assistant = GTK_ASSISTANT (data); - GtkWidget *current_page; - gint page_number; - const gchar *text; - - page_number = gtk_assistant_get_current_page (assistant); - current_page = gtk_assistant_get_nth_page (assistant, page_number); - text = gtk_entry_get_text (GTK_ENTRY (widget)); - - if (text && *text) - gtk_assistant_set_page_complete (assistant, current_page, TRUE); - else - gtk_assistant_set_page_complete (assistant, current_page, FALSE); -} - -static void -create_page1 (GtkWidget *assistant) -{ - GtkWidget *box, *label, *entry; - - box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); - gtk_container_set_border_width (GTK_CONTAINER (box), 12); - - label = gtk_label_new ("You must fill out this entry to continue:"); - gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0); - - entry = gtk_entry_new (); - gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE); - gtk_box_pack_start (GTK_BOX (box), entry, TRUE, TRUE, 0); - g_signal_connect (G_OBJECT (entry), "changed", - G_CALLBACK (on_entry_changed), assistant); - - gtk_widget_show_all (box); - gtk_assistant_append_page (GTK_ASSISTANT (assistant), box); - gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), box, "Page 1"); - gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), box, GTK_ASSISTANT_PAGE_INTRO); -} - -static void -create_page2 (GtkWidget *assistant) -{ - GtkWidget *box, *checkbutton; - - box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); - gtk_container_set_border_width (GTK_CONTAINER (box), 12); - - checkbutton = gtk_check_button_new_with_label ("This is optional data, you may continue " - "even if you do not check this"); - gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0); - - gtk_widget_show_all (box); - gtk_assistant_append_page (GTK_ASSISTANT (assistant), box); - gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), box, TRUE); - gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), box, "Page 2"); -} - -static void -create_page3 (GtkWidget *assistant) -{ - GtkWidget *label; - - label = gtk_label_new ("This is a confirmation page, press 'Apply' to apply changes"); - - gtk_widget_show (label); - gtk_assistant_append_page (GTK_ASSISTANT (assistant), label); - gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), label, GTK_ASSISTANT_PAGE_CONFIRM); - gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), label, TRUE); - gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), label, "Confirmation"); -} - -static void -create_page4 (GtkWidget *assistant) -{ - progress_bar = gtk_progress_bar_new (); - gtk_widget_set_halign (progress_bar, GTK_ALIGN_CENTER); - gtk_widget_set_valign (progress_bar, GTK_ALIGN_CENTER); - - gtk_widget_show (progress_bar); - gtk_assistant_append_page (GTK_ASSISTANT (assistant), progress_bar); - gtk_assistant_set_page_type (GTK_ASSISTANT (assistant), progress_bar, GTK_ASSISTANT_PAGE_PROGRESS); - gtk_assistant_set_page_title (GTK_ASSISTANT (assistant), progress_bar, "Applying changes"); - - /* This prevents the assistant window from being - * closed while we're "busy" applying changes. - */ - gtk_assistant_set_page_complete (GTK_ASSISTANT (assistant), progress_bar, FALSE); -} - -GtkWidget* -do_assistant (GtkWidget *do_widget) -{ - if (!assistant) - { - assistant = gtk_assistant_new (); - - gtk_window_set_default_size (GTK_WINDOW (assistant), -1, 300); - - gtk_window_set_screen (GTK_WINDOW (assistant), - gtk_widget_get_screen (do_widget)); - - create_page1 (assistant); - create_page2 (assistant); - create_page3 (assistant); - create_page4 (assistant); - - g_signal_connect (G_OBJECT (assistant), "cancel", - G_CALLBACK (on_assistant_close_cancel), &assistant); - g_signal_connect (G_OBJECT (assistant), "close", - G_CALLBACK (on_assistant_close_cancel), &assistant); - g_signal_connect (G_OBJECT (assistant), "apply", - G_CALLBACK (on_assistant_apply), NULL); - g_signal_connect (G_OBJECT (assistant), "prepare", - G_CALLBACK (on_assistant_prepare), NULL); - } - - if (!gtk_widget_get_visible (assistant)) - gtk_widget_show (assistant); - else - { - gtk_widget_destroy (assistant); - assistant = NULL; - } - - return assistant; -} |