forked from AuroraMiddleware/gtk
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
#include <gtk/gtk.h>
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#include "exampleapp.h"
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#include "exampleappwin.h"
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struct _ExampleAppWindow
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{
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GtkApplicationWindow parent;
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GSettings *settings;
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GtkWidget *stack;
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GtkWidget *search;
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GtkWidget *searchbar;
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};
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G_DEFINE_TYPE (ExampleAppWindow, example_app_window, GTK_TYPE_APPLICATION_WINDOW)
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static void
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search_text_changed (GtkEntry *entry,
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ExampleAppWindow *win)
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{
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const gchar *text;
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GtkWidget *tab;
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GtkWidget *view;
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GtkTextBuffer *buffer;
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GtkTextIter start, match_start, match_end;
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text = gtk_editable_get_text (GTK_EDITABLE (entry));
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if (text[0] == '\0')
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return;
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tab = gtk_stack_get_visible_child (GTK_STACK (win->stack));
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view = gtk_bin_get_child (GTK_BIN (tab));
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
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/* Very simple-minded search implementation */
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gtk_text_buffer_get_start_iter (buffer, &start);
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if (gtk_text_iter_forward_search (&start, text, GTK_TEXT_SEARCH_CASE_INSENSITIVE,
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&match_start, &match_end, NULL))
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{
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gtk_text_buffer_select_range (buffer, &match_start, &match_end);
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gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (view), &match_start,
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0.0, FALSE, 0.0, 0.0);
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}
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}
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static void
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visible_child_changed (GObject *stack,
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GParamSpec *pspec,
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ExampleAppWindow *win)
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{
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if (gtk_widget_in_destruction (GTK_WIDGET (stack)))
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return;
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gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (win->searchbar), FALSE);
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}
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static void
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example_app_window_init (ExampleAppWindow *win)
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{
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gtk_widget_init_template (GTK_WIDGET (win));
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win->settings = g_settings_new ("org.gtk.exampleapp");
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g_settings_bind (win->settings, "transition",
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win->stack, "transition-type",
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G_SETTINGS_BIND_DEFAULT);
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g_object_bind_property (win->search, "active",
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win->searchbar, "search-mode-enabled",
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G_BINDING_BIDIRECTIONAL);
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}
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static void
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example_app_window_dispose (GObject *object)
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{
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ExampleAppWindow *win;
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win = EXAMPLE_APP_WINDOW (object);
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g_clear_object (&win->settings);
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G_OBJECT_CLASS (example_app_window_parent_class)->dispose (object);
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}
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static void
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example_app_window_class_init (ExampleAppWindowClass *class)
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{
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G_OBJECT_CLASS (class)->dispose = example_app_window_dispose;
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gtk_widget_class_set_template_from_resource (GTK_WIDGET_CLASS (class),
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"/org/gtk/exampleapp/window.ui");
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gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, stack);
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gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, search);
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gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), ExampleAppWindow, searchbar);
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gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), search_text_changed);
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gtk_widget_class_bind_template_callback (GTK_WIDGET_CLASS (class), visible_child_changed);
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}
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ExampleAppWindow *
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example_app_window_new (ExampleApp *app)
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{
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return g_object_new (EXAMPLE_APP_WINDOW_TYPE, "application", app, NULL);
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}
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void
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example_app_window_open (ExampleAppWindow *win,
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GFile *file)
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{
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gchar *basename;
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GtkWidget *scrolled, *view;
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gchar *contents;
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gsize length;
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GtkTextBuffer *buffer;
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GtkTextTag *tag;
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GtkTextIter start_iter, end_iter;
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basename = g_file_get_basename (file);
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scrolled = gtk_scrolled_window_new (NULL, NULL);
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gtk_widget_set_hexpand (scrolled, TRUE);
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gtk_widget_set_vexpand (scrolled, TRUE);
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view = gtk_text_view_new ();
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gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
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gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view), FALSE);
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gtk_container_add (GTK_CONTAINER (scrolled), view);
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gtk_stack_add_titled (GTK_STACK (win->stack), scrolled, basename, basename);
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
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if (g_file_load_contents (file, NULL, &contents, &length, NULL, NULL))
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{
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gtk_text_buffer_set_text (buffer, contents, length);
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g_free (contents);
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}
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tag = gtk_text_buffer_create_tag (buffer, NULL, NULL);
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g_settings_bind (win->settings, "font",
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tag, "font",
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G_SETTINGS_BIND_DEFAULT);
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gtk_text_buffer_get_start_iter (buffer, &start_iter);
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gtk_text_buffer_get_end_iter (buffer, &end_iter);
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gtk_text_buffer_apply_tag (buffer, tag, &start_iter, &end_iter);
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g_free (basename);
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gtk_widget_set_sensitive (win->search, TRUE);
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}
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