Added info panel to show current file name, resolution and list index

1 files changed, 67 insertions, 4 deletions

diff --git a/src/window.c b/src/window.c
index 2f0dbce..1a81796 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5,8 +5,11 @@
 #include <gtk-3.0/gtk/gtk.h>
 
 GtkWidget *window;
+GtkWidget *info_panel;
 GtkWidget *scrolled_window;
+GtkWidget *info_panel_left, *info_panel_right;
 int is_fullscreen = 0;
+int show_info = 0;
 
 static gboolean key_press(GtkWindow *window, GdkEvent *event, gpointer data)
 {
@@ -47,11 +50,24 @@ static gboolean configure_callback(GtkWindow *window, GdkEvent *event,
     return TRUE;
 }
 
+void load_css()
+{
+    GtkCssProvider *provider = gtk_css_provider_new();
+    gtk_css_provider_load_from_resource(provider, "/org/gtk/qwe/qwe.css");
+    gtk_style_context_add_provider_for_screen(
+        gdk_display_get_default_screen(gdk_display_get_default()),
+        GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+    g_object_unref(provider);
+}
+
 void create_main_window(GApplication *app)
 {
+    // root window
     window = gtk_application_window_new(GTK_APPLICATION(app));
+    gtk_widget_set_name(GTK_WIDGET(window), "main-window");
     gtk_window_set_title(GTK_WINDOW(window), "qwe");
     gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
+    gtk_widget_add_events(GTK_WIDGET(window), GDK_SCROLL_MASK);
     g_signal_connect(G_OBJECT(window), "configure-event",
                      G_CALLBACK(configure_callback), NULL);
     g_signal_connect(G_OBJECT(window), "key-press-event", G_CALLBACK(key_press),
@@ -62,16 +78,45 @@ void create_main_window(GApplication *app)
                      G_CALLBACK(button_release), NULL);
     g_signal_connect(G_OBJECT(window), "motion-notify-event",
                      G_CALLBACK(motion_notify), NULL);
-    gtk_widget_add_events(GTK_WIDGET(window), GDK_SCROLL_MASK);
     g_signal_connect(G_OBJECT(window), "scroll-event",
                      G_CALLBACK(scroll_callback), NULL);
 
+    // scrolled window
     scrolled_window = gtk_scrolled_window_new(NULL, NULL);
+    gtk_widget_set_vexpand(GTK_WIDGET(scrolled_window), TRUE);
     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
-    gtk_container_add(GTK_CONTAINER(scrolled_window), GTK_WIDGET(new_image()));
-    gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(scrolled_window));
+    GtkWidget *viewport = gtk_viewport_new(NULL, NULL);
+    gtk_container_add(GTK_CONTAINER(viewport), GTK_WIDGET(new_image()));
+    gtk_container_add(GTK_CONTAINER(scrolled_window), GTK_WIDGET(viewport));
+
+    // info panel
+    info_panel = gtk_grid_new();
+    gtk_widget_set_name(GTK_WIDGET(info_panel), "info_panel");
+    info_panel_left = gtk_label_new(NULL);
+    gtk_widget_set_hexpand(GTK_WIDGET(info_panel_left), TRUE);
+    gtk_label_set_ellipsize(GTK_LABEL(info_panel_left), PANGO_ELLIPSIZE_END);
+    gtk_label_set_xalign(GTK_LABEL(info_panel_left), 0.0f);
+    gtk_grid_attach(GTK_GRID(info_panel), GTK_WIDGET(info_panel_left), 0, 0, 1,
+                    1);
+    info_panel_right = gtk_label_new(NULL);
+    gtk_grid_attach(GTK_GRID(info_panel), GTK_WIDGET(info_panel_right), 1, 0, 1,
+                    1);
+    gtk_widget_set_valign(GTK_WIDGET(info_panel), GTK_ALIGN_END);
+    gtk_widget_set_name(GTK_WIDGET(info_panel_left), "info-panel");
+    gtk_widget_set_name(GTK_WIDGET(info_panel_right), "info-panel");
+
+    // overlay
+    GtkWidget *overlay = gtk_overlay_new();
+    gtk_overlay_add_overlay(GTK_OVERLAY(overlay), GTK_WIDGET(scrolled_window));
+    gtk_overlay_add_overlay(GTK_OVERLAY(overlay), GTK_WIDGET(info_panel));
+    gtk_overlay_set_overlay_pass_through(GTK_OVERLAY(overlay),
+                                         GTK_WIDGET(info_panel), TRUE);
+
+    gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(overlay));
     gtk_widget_show_all(GTK_WIDGET(window));
+    gtk_widget_hide(GTK_WIDGET(info_panel));
+    load_css();
 }
 
 void scroll_window(gdouble x, gdouble y)
@@ -88,9 +133,16 @@ void scroll_window(gdouble x, gdouble y)
                                         v_adj);
 }
 
-void set_window_title(const char *title)
+void set_window_title(const char *title, int width, int height)
 {
     gtk_window_set_title(GTK_WINDOW(window), title);
+    // TODO use malloc
+    char file[100], count[100];
+    sprintf(file, "%s - %dx%d", title, width, height);
+    sprintf(count, "%d/%d", get_current_file_index() + 1,
+            get_total_file_count());
+    gtk_label_set_text(GTK_LABEL(info_panel_left), file);
+    gtk_label_set_text(GTK_LABEL(info_panel_right), count);
 }
 
 void get_curr_win_size(gint *width, gint *height)
@@ -115,3 +167,14 @@ void toggle_fullscreen()
         is_fullscreen = 1;
     }
 }
+
+void toggle_infopanel()
+{
+    if (show_info) {
+        gtk_widget_hide(GTK_WIDGET(info_panel));
+        show_info = 0;
+    } else {
+        gtk_widget_show(GTK_WIDGET(info_panel));
+        show_info = 1;
+    }
+}