forked from AuroraMiddleware/gtk
691261c71a
Filter the sidebar on keywords that can be provided by the demos. We extract keywords from the doc comment at the top of each demo source by looking for words that look like class names. We also allow to specify keywords explicitly.
1086 lines
28 KiB
C
1086 lines
28 KiB
C
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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#include <gtk/gtk.h>
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#include <glib/gstdio.h>
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#include "demos.h"
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#include "fontify.h"
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static GtkWidget *info_view;
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static GtkWidget *source_view;
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static char *current_file = NULL;
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static GtkWidget *notebook;
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static GtkSingleSelection *selection;
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static GtkWidget *toplevel;
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static char **search_needle;
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typedef struct _GtkDemo GtkDemo;
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struct _GtkDemo
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{
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GObject parent_instance;
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const char *name;
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const char *title;
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const char **keywords;
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const char *filename;
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GDoDemoFunc func;
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GListModel *children_model;
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};
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enum {
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PROP_0,
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PROP_FILENAME,
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PROP_NAME,
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PROP_TITLE,
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PROP_KEYWORDS,
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N_PROPS
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};
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# define GTK_TYPE_DEMO (gtk_demo_get_type ())
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G_DECLARE_FINAL_TYPE (GtkDemo, gtk_demo, GTK, DEMO, GObject);
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G_DEFINE_TYPE (GtkDemo, gtk_demo, G_TYPE_OBJECT);
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static GParamSpec *properties[N_PROPS] = { NULL, };
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static void
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gtk_demo_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkDemo *self = GTK_DEMO (object);
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switch (property_id)
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{
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case PROP_FILENAME:
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g_value_set_string (value, self->filename);
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break;
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case PROP_NAME:
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g_value_set_string (value, self->name);
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break;
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case PROP_TITLE:
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g_value_set_string (value, self->title);
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break;
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case PROP_KEYWORDS:
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g_value_set_boxed (value, self->keywords);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void gtk_demo_class_init (GtkDemoClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->get_property = gtk_demo_get_property;
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properties[PROP_FILENAME] =
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g_param_spec_string ("filename",
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"filename",
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"filename",
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NULL,
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G_PARAM_READABLE);
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properties[PROP_NAME] =
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g_param_spec_string ("name",
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"name",
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"name",
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NULL,
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G_PARAM_READABLE);
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properties[PROP_TITLE] =
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g_param_spec_string ("title",
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"title",
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"title",
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NULL,
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G_PARAM_READABLE);
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properties[PROP_KEYWORDS] =
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g_param_spec_string ("keywords",
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"keywords",
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"keywords",
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NULL,
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G_PARAM_READABLE);
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g_object_class_install_properties (gobject_class, N_PROPS, properties);
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}
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static void gtk_demo_init (GtkDemo *self)
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{
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}
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typedef struct _CallbackData CallbackData;
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struct _CallbackData
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{
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GtkTreeModel *model;
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GtkTreePath *path;
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};
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static gboolean
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gtk_demo_run (GtkDemo *self,
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GtkWidget *window)
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{
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GtkWidget *result;
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if (!self->func)
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return FALSE;
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result = self->func (window);
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if (result == NULL)
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return FALSE;
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if (GTK_IS_WINDOW (result))
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{
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gtk_window_set_transient_for (GTK_WINDOW (result), GTK_WINDOW (window));
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gtk_window_set_modal (GTK_WINDOW (result), TRUE);
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}
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return TRUE;
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}
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static void
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activate_about (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkApplication *app = user_data;
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const char *authors[] = {
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"The GTK Team",
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NULL
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};
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char *version;
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char *os_name;
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char *os_version;
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GString *s;
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s = g_string_new ("");
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os_name = g_get_os_info (G_OS_INFO_KEY_NAME);
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os_version = g_get_os_info (G_OS_INFO_KEY_VERSION_ID);
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if (os_name && os_version)
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g_string_append_printf (s, "OS\t%s %s\n\n", os_name, os_version);
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g_string_append (s, "System libraries\n");
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g_string_append_printf (s, "\tGLib\t%d.%d.%d\n",
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glib_major_version,
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glib_minor_version,
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glib_micro_version);
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g_string_append_printf (s, "\tPango\t%s\n",
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pango_version_string ());
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g_string_append_printf (s, "\tGTK\t%d.%d.%d\n",
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gtk_get_major_version (),
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gtk_get_minor_version (),
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gtk_get_micro_version ());
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g_string_append_printf (s, "\nA link can appear here: <http://www.gtk.org>");
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version = g_strdup_printf ("%s\nRunning against GTK %d.%d.%d",
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PACKAGE_VERSION,
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gtk_get_major_version (),
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gtk_get_minor_version (),
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gtk_get_micro_version ());
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gtk_show_about_dialog (GTK_WINDOW (gtk_application_get_active_window (app)),
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"program-name", "GTK Demo",
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"version", version,
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"copyright", "© 1997—2020 The GTK Team",
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"license-type", GTK_LICENSE_LGPL_2_1,
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"website", "http://www.gtk.org",
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"comments", "Program to demonstrate GTK widgets",
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"authors", authors,
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"logo-icon-name", "org.gtk.Demo4",
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"title", "About GTK Demo",
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"system-information", s->str,
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NULL);
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g_string_free (s, TRUE);
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g_free (version);
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g_free (os_name);
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g_free (os_version);
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}
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static void
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activate_quit (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkApplication *app = user_data;
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GtkWidget *win;
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GList *list, *next;
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list = gtk_application_get_windows (app);
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while (list)
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{
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win = list->data;
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next = list->next;
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gtk_window_destroy (GTK_WINDOW (win));
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list = next;
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}
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}
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static void
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activate_inspector (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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gtk_window_set_interactive_debugging (TRUE);
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}
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static void
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activate_run (GSimpleAction *action,
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GVariant *parameter,
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gpointer window)
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{
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GtkTreeListRow *row = gtk_single_selection_get_selected_item (selection);
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GtkDemo *demo = gtk_tree_list_row_get_item (row);
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gtk_demo_run (demo, window);
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}
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static GtkWidget *
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display_image (const char *format,
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const char *resource,
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char **label)
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{
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GtkWidget *sw, *image;
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image = gtk_picture_new_for_resource (resource);
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gtk_widget_set_halign (image, GTK_ALIGN_CENTER);
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gtk_widget_set_valign (image, GTK_ALIGN_CENTER);
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sw = gtk_scrolled_window_new ();
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), image);
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return sw;
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}
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static GtkWidget *
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display_images (const char *format,
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const char *resource_dir,
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char **label)
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{
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char **resources;
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GtkWidget *grid;
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GtkWidget *sw;
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GtkWidget *widget;
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guint i;
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resources = g_resources_enumerate_children (resource_dir, 0, NULL);
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if (resources == NULL)
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return NULL;
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sw = gtk_scrolled_window_new ();
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_NEVER,
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GTK_POLICY_AUTOMATIC);
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grid = gtk_flow_box_new ();
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gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (grid), GTK_SELECTION_NONE);
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gtk_widget_set_valign (grid, GTK_ALIGN_START);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), grid);
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for (i = 0; resources[i]; i++)
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{
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char *resource_name;
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GtkWidget *box;
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resource_name = g_strconcat (resource_dir, "/", resources[i], NULL);
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widget = display_image (NULL, resource_name, NULL);
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_box_append (GTK_BOX (box), widget);
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gtk_box_append (GTK_BOX (box), gtk_label_new (resources[i]));
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gtk_flow_box_insert (GTK_FLOW_BOX (grid), box, -1);
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g_free (resource_name);
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}
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g_strfreev (resources);
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*label = g_strdup ("Images");
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return sw;
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}
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static GtkWidget *
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display_text (const char *format,
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const char *resource,
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char **label)
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{
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GtkTextBuffer *buffer;
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GtkWidget *textview, *sw;
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GBytes *bytes;
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const char *text;
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gsize len;
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bytes = g_resources_lookup_data (resource, 0, NULL);
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g_assert (bytes);
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g_assert (g_utf8_validate (g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes), NULL));
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textview = gtk_text_view_new ();
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g_object_set (textview,
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"left-margin", 20,
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"right-margin", 20,
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"top-margin", 20,
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"bottom-margin", 20,
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NULL);
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gtk_text_view_set_editable (GTK_TEXT_VIEW (textview), FALSE);
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gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (textview), FALSE);
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/* Make it a bit nicer for text. */
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gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (textview), GTK_WRAP_WORD);
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gtk_text_view_set_pixels_above_lines (GTK_TEXT_VIEW (textview), 2);
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gtk_text_view_set_pixels_below_lines (GTK_TEXT_VIEW (textview), 2);
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gtk_text_view_set_monospace (GTK_TEXT_VIEW (textview), TRUE);
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buffer = gtk_text_buffer_new (NULL);
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text = g_bytes_unref_to_data (bytes, &len);
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gtk_text_buffer_set_text (buffer, text, len);
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if (format)
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fontify (format, buffer);
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gtk_text_view_set_buffer (GTK_TEXT_VIEW (textview), buffer);
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sw = gtk_scrolled_window_new ();
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_AUTOMATIC);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), textview);
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return sw;
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}
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static GtkWidget *
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display_video (const char *format,
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const char *resource,
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char **label)
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{
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GtkWidget *video;
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video = gtk_video_new_for_resource (resource);
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gtk_video_set_loop (GTK_VIDEO (video), TRUE);
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return video;
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}
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static GtkWidget *
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display_nothing (const char *resource)
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{
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GtkWidget *widget;
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char *str;
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str = g_strdup_printf ("The lazy GTK developers forgot to add a way to display the resource '%s'", resource);
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widget = gtk_label_new (str);
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gtk_label_set_wrap (GTK_LABEL (widget), TRUE);
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g_free (str);
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return widget;
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}
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static struct {
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const char *extension;
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const char *format;
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GtkWidget * (* display_func) (const char *format,
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const char *resource,
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char **label);
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} display_funcs[] = {
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{ ".gif", NULL, display_image },
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{ ".jpg", NULL, display_image },
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{ ".png", NULL, display_image },
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{ ".c", "c", display_text },
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{ ".css", "css", display_text },
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{ ".glsl", NULL, display_text },
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{ ".h", "c", display_text },
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{ ".txt", NULL, display_text },
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{ ".ui", "xml", display_text },
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{ ".webm", NULL, display_video },
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{ "images/", NULL, display_images }
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};
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static void
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add_data_tab (const char *demoname)
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{
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char *resource_dir, *resource_name;
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char **resources;
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GtkWidget *widget, *label;
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guint i, j;
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char *label_string;
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resource_dir = g_strconcat ("/", demoname, NULL);
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resources = g_resources_enumerate_children (resource_dir, 0, NULL);
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if (resources == NULL)
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{
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g_free (resource_dir);
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return;
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}
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for (i = 0; resources[i]; i++)
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{
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resource_name = g_strconcat (resource_dir, "/", resources[i], NULL);
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for (j = 0; j < G_N_ELEMENTS (display_funcs); j++)
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{
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if (g_str_has_suffix (resource_name, display_funcs[j].extension))
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break;
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}
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label_string = NULL;
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if (j < G_N_ELEMENTS (display_funcs))
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widget = display_funcs[j].display_func (display_funcs[j].format,
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resource_name,
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&label_string);
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else
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widget = display_nothing (resource_name);
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label = gtk_label_new (label_string ? label_string : resources[i]);
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gtk_widget_show (label);
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gtk_notebook_append_page (GTK_NOTEBOOK (notebook), widget, label);
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g_object_set (gtk_notebook_get_page (GTK_NOTEBOOK (notebook), widget),
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"tab-expand", FALSE,
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NULL);
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|
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g_free (resource_name);
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g_free (label_string);
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}
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g_strfreev (resources);
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g_free (resource_dir);
|
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}
|
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|
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static void
|
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remove_data_tabs (void)
|
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{
|
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int i;
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for (i = gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) - 1; i > 1; i--)
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gtk_notebook_remove_page (GTK_NOTEBOOK (notebook), i);
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}
|
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|
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void
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load_file (const char *demoname,
|
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const char *filename)
|
||
{
|
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GtkTextBuffer *info_buffer, *source_buffer;
|
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GtkTextIter start, end;
|
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char *resource_filename;
|
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GError *err = NULL;
|
||
int state = 0;
|
||
gboolean in_para = 0;
|
||
char **lines;
|
||
GBytes *bytes;
|
||
int i;
|
||
|
||
if (!g_strcmp0 (current_file, filename))
|
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return;
|
||
|
||
remove_data_tabs ();
|
||
|
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add_data_tab (demoname);
|
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|
||
g_free (current_file);
|
||
current_file = g_strdup (filename);
|
||
|
||
info_buffer = gtk_text_buffer_new (NULL);
|
||
gtk_text_buffer_create_tag (info_buffer, "title",
|
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"font", "Sans 18",
|
||
"pixels-below-lines", 10,
|
||
NULL);
|
||
|
||
source_buffer = gtk_text_buffer_new (NULL);
|
||
|
||
gtk_text_buffer_begin_irreversible_action (info_buffer);
|
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gtk_text_buffer_begin_irreversible_action (source_buffer);
|
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|
||
resource_filename = g_strconcat ("/sources/", filename, NULL);
|
||
bytes = g_resources_lookup_data (resource_filename, 0, &err);
|
||
g_free (resource_filename);
|
||
|
||
if (bytes == NULL)
|
||
{
|
||
g_warning ("Cannot open source for %s: %s", filename, err->message);
|
||
g_error_free (err);
|
||
return;
|
||
}
|
||
|
||
lines = g_strsplit (g_bytes_get_data (bytes, NULL), "\n", -1);
|
||
g_bytes_unref (bytes);
|
||
|
||
gtk_text_buffer_get_iter_at_offset (info_buffer, &start, 0);
|
||
for (i = 0; lines[i] != NULL; i++)
|
||
{
|
||
char *p;
|
||
char *q;
|
||
char *r;
|
||
|
||
/* Make sure \r is stripped at the end for the poor windows people */
|
||
lines[i] = g_strchomp (lines[i]);
|
||
|
||
p = lines[i];
|
||
switch (state)
|
||
{
|
||
case 0:
|
||
/* Reading title */
|
||
while (*p == '/' || *p == '*' || g_ascii_isspace (*p))
|
||
p++;
|
||
r = p;
|
||
while (*r != '\0')
|
||
{
|
||
while (*r != '/' && *r != ':' && *r != '\0')
|
||
r++;
|
||
if (*r == '/')
|
||
{
|
||
r++;
|
||
p = r;
|
||
}
|
||
if (r[0] == ':' && r[1] == ':')
|
||
*r = '\0';
|
||
}
|
||
q = p + strlen (p);
|
||
while (q > p && g_ascii_isspace (*(q - 1)))
|
||
q--;
|
||
|
||
|
||
if (q > p)
|
||
{
|
||
int len_chars = g_utf8_pointer_to_offset (p, q);
|
||
|
||
end = start;
|
||
|
||
g_assert (strlen (p) >= q - p);
|
||
gtk_text_buffer_insert (info_buffer, &end, p, q - p);
|
||
start = end;
|
||
|
||
gtk_text_iter_backward_chars (&start, len_chars);
|
||
gtk_text_buffer_apply_tag_by_name (info_buffer, "title", &start, &end);
|
||
|
||
start = end;
|
||
|
||
while (*p && *p != '\n') p++;
|
||
|
||
state++;
|
||
}
|
||
break;
|
||
|
||
case 1:
|
||
/* Reading body of info section */
|
||
while (g_ascii_isspace (*p))
|
||
p++;
|
||
if (*p == '*' && *(p + 1) == '/')
|
||
{
|
||
gtk_text_buffer_get_iter_at_offset (source_buffer, &start, 0);
|
||
state++;
|
||
}
|
||
else
|
||
{
|
||
int len;
|
||
|
||
while (*p == '*' || g_ascii_isspace (*p))
|
||
p++;
|
||
|
||
len = strlen (p);
|
||
while (g_ascii_isspace (*(p + len - 1)))
|
||
len--;
|
||
|
||
if (*p == '#')
|
||
break;
|
||
|
||
if (len > 0)
|
||
{
|
||
if (in_para)
|
||
gtk_text_buffer_insert (info_buffer, &start, " ", 1);
|
||
|
||
g_assert (strlen (p) >= len);
|
||
gtk_text_buffer_insert (info_buffer, &start, p, len);
|
||
in_para = 1;
|
||
}
|
||
else
|
||
{
|
||
gtk_text_buffer_insert (info_buffer, &start, "\n", 1);
|
||
in_para = 0;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 2:
|
||
/* Skipping blank lines */
|
||
while (g_ascii_isspace (*p))
|
||
p++;
|
||
|
||
if (!*p)
|
||
break;
|
||
|
||
p = lines[i];
|
||
state++;
|
||
G_GNUC_FALLTHROUGH;
|
||
|
||
case 3:
|
||
/* Reading program body */
|
||
gtk_text_buffer_insert (source_buffer, &start, p, -1);
|
||
if (lines[i+1] != NULL)
|
||
gtk_text_buffer_insert (source_buffer, &start, "\n", 1);
|
||
break;
|
||
|
||
default:
|
||
g_assert_not_reached ();
|
||
}
|
||
}
|
||
|
||
g_strfreev (lines);
|
||
|
||
fontify ("c", source_buffer);
|
||
|
||
gtk_text_buffer_end_irreversible_action (source_buffer);
|
||
gtk_text_view_set_buffer (GTK_TEXT_VIEW (source_view), source_buffer);
|
||
g_object_unref (source_buffer);
|
||
|
||
gtk_text_buffer_end_irreversible_action (info_buffer);
|
||
gtk_text_view_set_buffer (GTK_TEXT_VIEW (info_view), info_buffer);
|
||
g_object_unref (info_buffer);
|
||
}
|
||
|
||
static void
|
||
activate_cb (GtkWidget *widget,
|
||
guint position,
|
||
gpointer window)
|
||
{
|
||
GListModel *model = G_LIST_MODEL (gtk_list_view_get_model (GTK_LIST_VIEW (widget)));
|
||
GtkTreeListRow *row = g_list_model_get_item (model, position);
|
||
GtkDemo *demo = gtk_tree_list_row_get_item (row);
|
||
|
||
gtk_demo_run (demo, window);
|
||
|
||
g_object_unref (row);
|
||
}
|
||
|
||
static void
|
||
selection_cb (GtkSingleSelection *sel,
|
||
GParamSpec *pspec,
|
||
gpointer user_data)
|
||
{
|
||
GtkTreeListRow *row = gtk_single_selection_get_selected_item (sel);
|
||
GtkDemo *demo;
|
||
|
||
gtk_widget_set_sensitive (GTK_WIDGET (notebook), !!row);
|
||
|
||
if (!row)
|
||
{
|
||
gtk_window_set_title (GTK_WINDOW (toplevel), "No match");
|
||
|
||
return;
|
||
}
|
||
|
||
demo = gtk_tree_list_row_get_item (row);
|
||
|
||
if (demo->filename)
|
||
load_file (demo->name, demo->filename);
|
||
|
||
gtk_window_set_title (GTK_WINDOW (toplevel), demo->title);
|
||
}
|
||
|
||
static gboolean
|
||
filter_demo (GtkDemo *demo)
|
||
{
|
||
int i;
|
||
|
||
/* Show only if the name matches every needle */
|
||
for (i = 0; search_needle[i]; i++)
|
||
{
|
||
if (!demo->title)
|
||
return FALSE;
|
||
|
||
if (g_str_match_string (search_needle[i], demo->title, TRUE))
|
||
continue;
|
||
|
||
if (demo->keywords)
|
||
{
|
||
int j;
|
||
gboolean found = FALSE;
|
||
|
||
for (j = 0; !found && demo->keywords[j]; j++)
|
||
{
|
||
if (strstr (demo->keywords[j], search_needle[i]))
|
||
found = TRUE;
|
||
}
|
||
|
||
if (found)
|
||
continue;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
demo_filter_by_name (gpointer item,
|
||
gpointer user_data)
|
||
{
|
||
GtkTreeListRow *row = item;
|
||
GtkFilterListModel *model = user_data;
|
||
GListModel *children;
|
||
GtkDemo *demo;
|
||
guint i, n;
|
||
GtkTreeListRow *parent;
|
||
|
||
/* Show all items if search is empty */
|
||
if (!search_needle || !search_needle[0] || !*search_needle[0])
|
||
return TRUE;
|
||
|
||
g_assert (GTK_IS_TREE_LIST_ROW (row));
|
||
g_assert (GTK_IS_FILTER_LIST_MODEL (model));
|
||
|
||
/* Show a row if itself of any parent matches */
|
||
for (parent = row; parent; parent = gtk_tree_list_row_get_parent (parent))
|
||
{
|
||
demo = gtk_tree_list_row_get_item (parent);
|
||
g_assert (GTK_IS_DEMO (demo));
|
||
|
||
if (filter_demo (demo))
|
||
return TRUE;
|
||
}
|
||
|
||
/* Show a row if any child matches */
|
||
children = gtk_tree_list_row_get_children (row);
|
||
if (children)
|
||
{
|
||
n = g_list_model_get_n_items (children);
|
||
for (i = 0; i < n; i++)
|
||
{
|
||
demo = g_list_model_get_item (children, i);
|
||
g_assert (GTK_IS_DEMO (demo));
|
||
|
||
if (filter_demo (demo))
|
||
{
|
||
g_object_unref (demo);
|
||
return TRUE;
|
||
}
|
||
g_object_unref (demo);
|
||
}
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
demo_search_changed_cb (GtkSearchEntry *entry,
|
||
GtkFilter *filter)
|
||
{
|
||
const char *text;
|
||
|
||
g_assert (GTK_IS_SEARCH_ENTRY (entry));
|
||
g_assert (GTK_IS_FILTER (filter));
|
||
|
||
text = gtk_editable_get_text (GTK_EDITABLE (entry));
|
||
|
||
g_clear_pointer (&search_needle, g_strfreev);
|
||
|
||
if (text && *text)
|
||
search_needle = g_str_tokenize_and_fold (text, NULL, NULL);
|
||
|
||
gtk_filter_changed (filter, GTK_FILTER_CHANGE_DIFFERENT);
|
||
}
|
||
|
||
static GListModel *
|
||
create_demo_model (void)
|
||
{
|
||
GListStore *store = g_list_store_new (GTK_TYPE_DEMO);
|
||
DemoData *demo = gtk_demos;
|
||
|
||
while (demo->title)
|
||
{
|
||
GtkDemo *d = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
|
||
DemoData *children = demo->children;
|
||
|
||
d->name = demo->name;
|
||
d->title = demo->title;
|
||
d->keywords = demo->keywords;
|
||
d->filename = demo->filename;
|
||
d->func = demo->func;
|
||
|
||
g_list_store_append (store, d);
|
||
|
||
if (children)
|
||
{
|
||
d->children_model = G_LIST_MODEL (g_list_store_new (GTK_TYPE_DEMO));
|
||
|
||
while (children->title)
|
||
{
|
||
GtkDemo *child = GTK_DEMO (g_object_new (GTK_TYPE_DEMO, NULL));
|
||
|
||
child->name = children->name;
|
||
child->title = children->title;
|
||
child->keywords = children->keywords;
|
||
child->filename = children->filename;
|
||
child->func = children->func;
|
||
|
||
g_list_store_append (G_LIST_STORE (d->children_model), child);
|
||
children++;
|
||
}
|
||
}
|
||
|
||
demo++;
|
||
}
|
||
|
||
return G_LIST_MODEL (store);
|
||
}
|
||
|
||
static GListModel *
|
||
get_child_model (gpointer item,
|
||
gpointer user_data)
|
||
{
|
||
GtkDemo *demo = item;
|
||
|
||
if (demo->children_model)
|
||
return g_object_ref (G_LIST_MODEL (demo->children_model));
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static void
|
||
clear_search (GtkSearchBar *bar)
|
||
{
|
||
if (!gtk_search_bar_get_search_mode (bar))
|
||
{
|
||
GtkWidget *entry = gtk_search_bar_get_child (GTK_SEARCH_BAR (bar));
|
||
gtk_editable_set_text (GTK_EDITABLE (entry), "");
|
||
}
|
||
}
|
||
|
||
static void
|
||
activate (GApplication *app)
|
||
{
|
||
GtkBuilder *builder;
|
||
GListModel *listmodel;
|
||
GtkTreeListModel *treemodel;
|
||
GtkWidget *window, *listview, *search_entry, *search_bar;
|
||
GtkFilterListModel *filter_model;
|
||
GtkFilter *filter;
|
||
|
||
static GActionEntry win_entries[] = {
|
||
{ "run", activate_run, NULL, NULL, NULL }
|
||
};
|
||
|
||
builder = gtk_builder_new_from_resource ("/ui/main.ui");
|
||
|
||
window = (GtkWidget *)gtk_builder_get_object (builder, "window");
|
||
gtk_application_add_window (GTK_APPLICATION (app), GTK_WINDOW (window));
|
||
g_action_map_add_action_entries (G_ACTION_MAP (window),
|
||
win_entries, G_N_ELEMENTS (win_entries),
|
||
window);
|
||
|
||
notebook = GTK_WIDGET (gtk_builder_get_object (builder, "notebook"));
|
||
|
||
info_view = GTK_WIDGET (gtk_builder_get_object (builder, "info-textview"));
|
||
source_view = GTK_WIDGET (gtk_builder_get_object (builder, "source-textview"));
|
||
toplevel = GTK_WIDGET (window);
|
||
listview = GTK_WIDGET (gtk_builder_get_object (builder, "listview"));
|
||
g_signal_connect (listview, "activate", G_CALLBACK (activate_cb), window);
|
||
search_bar = GTK_WIDGET (gtk_builder_get_object (builder, "searchbar"));
|
||
g_signal_connect (search_bar, "notify::search-mode-enabled", G_CALLBACK (clear_search), NULL);
|
||
|
||
listmodel = create_demo_model ();
|
||
treemodel = gtk_tree_list_model_new (G_LIST_MODEL (listmodel),
|
||
FALSE,
|
||
TRUE,
|
||
get_child_model,
|
||
NULL,
|
||
NULL);
|
||
filter_model = gtk_filter_list_model_new (G_LIST_MODEL (treemodel), NULL);
|
||
filter = GTK_FILTER (gtk_custom_filter_new (demo_filter_by_name, filter_model, NULL));
|
||
gtk_filter_list_model_set_filter (filter_model, filter);
|
||
g_object_unref (filter);
|
||
|
||
search_entry = GTK_WIDGET (gtk_builder_get_object (builder, "search-entry"));
|
||
g_signal_connect (search_entry, "search-changed", G_CALLBACK (demo_search_changed_cb), filter);
|
||
|
||
selection = gtk_single_selection_new (G_LIST_MODEL (filter_model));
|
||
g_signal_connect (selection, "notify::selected-item", G_CALLBACK (selection_cb), NULL);
|
||
gtk_list_view_set_model (GTK_LIST_VIEW (listview), GTK_SELECTION_MODEL (selection));
|
||
|
||
selection_cb (selection, NULL, NULL);
|
||
g_object_unref (selection);
|
||
|
||
g_object_unref (builder);
|
||
}
|
||
|
||
static gboolean
|
||
auto_quit (gpointer data)
|
||
{
|
||
g_application_quit (G_APPLICATION (data));
|
||
return G_SOURCE_REMOVE;
|
||
}
|
||
|
||
static void
|
||
list_demos (void)
|
||
{
|
||
DemoData *d, *c;
|
||
|
||
d = gtk_demos;
|
||
|
||
while (d->title)
|
||
{
|
||
c = d->children;
|
||
if (d->name)
|
||
g_print ("%s\n", d->name);
|
||
d++;
|
||
while (c && c->title)
|
||
{
|
||
if (c->name)
|
||
g_print ("%s\n", c->name);
|
||
c++;
|
||
}
|
||
}
|
||
}
|
||
|
||
static int
|
||
command_line (GApplication *app,
|
||
GApplicationCommandLine *cmdline)
|
||
{
|
||
GVariantDict *options;
|
||
const char *name = NULL;
|
||
gboolean autoquit = FALSE;
|
||
gboolean list = FALSE;
|
||
DemoData *d, *c;
|
||
GDoDemoFunc func = 0;
|
||
GtkWidget *window, *demo;
|
||
|
||
activate (app);
|
||
|
||
options = g_application_command_line_get_options_dict (cmdline);
|
||
g_variant_dict_lookup (options, "run", "&s", &name);
|
||
g_variant_dict_lookup (options, "autoquit", "b", &autoquit);
|
||
g_variant_dict_lookup (options, "list", "b", &list);
|
||
|
||
if (list)
|
||
{
|
||
list_demos ();
|
||
g_application_quit (app);
|
||
return 0;
|
||
}
|
||
|
||
window = gtk_application_get_windows (GTK_APPLICATION (app))->data;
|
||
|
||
if (name == NULL)
|
||
goto out;
|
||
|
||
d = gtk_demos;
|
||
|
||
while (d->title)
|
||
{
|
||
c = d->children;
|
||
if (g_strcmp0 (d->name, name) == 0)
|
||
{
|
||
func = d->func;
|
||
goto out;
|
||
}
|
||
d++;
|
||
while (c && c->title)
|
||
{
|
||
if (g_strcmp0 (c->name, name) == 0)
|
||
{
|
||
func = c->func;
|
||
goto out;
|
||
}
|
||
c++;
|
||
}
|
||
}
|
||
|
||
out:
|
||
if (func)
|
||
{
|
||
demo = (func) (window);
|
||
|
||
gtk_window_set_transient_for (GTK_WINDOW (demo), GTK_WINDOW (window));
|
||
|
||
g_signal_connect_swapped (G_OBJECT (demo), "destroy", G_CALLBACK (g_application_quit), app);
|
||
}
|
||
else
|
||
gtk_widget_show (GTK_WIDGET (window));
|
||
|
||
if (autoquit)
|
||
g_timeout_add_seconds (1, auto_quit, app);
|
||
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
print_version (void)
|
||
{
|
||
g_print ("gtk4-demo %d.%d.%d\n",
|
||
gtk_get_major_version (),
|
||
gtk_get_minor_version (),
|
||
gtk_get_micro_version ());
|
||
}
|
||
|
||
static int
|
||
local_options (GApplication *app,
|
||
GVariantDict *options,
|
||
gpointer data)
|
||
{
|
||
gboolean version = FALSE;
|
||
|
||
g_variant_dict_lookup (options, "version", "b", &version);
|
||
|
||
if (version)
|
||
{
|
||
print_version ();
|
||
return 0;
|
||
}
|
||
|
||
return -1;
|
||
}
|
||
|
||
int
|
||
main (int argc, char **argv)
|
||
{
|
||
GtkApplication *app;
|
||
static GActionEntry app_entries[] = {
|
||
{ "about", activate_about, NULL, NULL, NULL },
|
||
{ "quit", activate_quit, NULL, NULL, NULL },
|
||
{ "inspector", activate_inspector, NULL, NULL, NULL },
|
||
};
|
||
struct {
|
||
const char *action_and_target;
|
||
const char *accelerators[2];
|
||
} accels[] = {
|
||
{ "app.about", { "F1", NULL } },
|
||
{ "app.quit", { "<Control>q", NULL } },
|
||
};
|
||
int i;
|
||
|
||
app = gtk_application_new ("org.gtk.Demo4", G_APPLICATION_NON_UNIQUE|G_APPLICATION_HANDLES_COMMAND_LINE);
|
||
|
||
g_action_map_add_action_entries (G_ACTION_MAP (app),
|
||
app_entries, G_N_ELEMENTS (app_entries),
|
||
app);
|
||
|
||
for (i = 0; i < G_N_ELEMENTS (accels); i++)
|
||
gtk_application_set_accels_for_action (app, accels[i].action_and_target, accels[i].accelerators);
|
||
|
||
g_application_add_main_option (G_APPLICATION (app), "version", 0, 0, G_OPTION_ARG_NONE, "Show program version", NULL);
|
||
g_application_add_main_option (G_APPLICATION (app), "run", 0, 0, G_OPTION_ARG_STRING, "Run an example", "EXAMPLE");
|
||
g_application_add_main_option (G_APPLICATION (app), "list", 0, 0, G_OPTION_ARG_NONE, "List examples", NULL);
|
||
g_application_add_main_option (G_APPLICATION (app), "autoquit", 0, 0, G_OPTION_ARG_NONE, "Quit after a delay", NULL);
|
||
|
||
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
|
||
g_signal_connect (app, "command-line", G_CALLBACK (command_line), NULL);
|
||
g_signal_connect (app, "handle-local-options", G_CALLBACK (local_options), NULL);
|
||
|
||
g_application_run (G_APPLICATION (app), argc, argv);
|
||
|
||
return 0;
|
||
}
|