Add notifications

Notifications are sent hourly and provide a button the user can use to instantly add water

data/gwr-window.ui

@@ -1,18 +1,102 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.0 -->
 <interface>
+  <requires lib="gtk+" version="3.10"/>
   <template class="GwrWindow" parent="GtkApplicationWindow">
-    <property name="default-width">600</property>
+    <property name="can_focus">False</property>
-    <property name="default-height">300</property>
+    <property name="default_width">600</property>
+    <property name="default_height">300</property>
+    <child>
+      <object class="GtkGrid">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="column_homogeneous">True</property>
+        <child>
+          <object class="GwrWaterLevel" id="remaining">
+            <property name="visible">True</property>
+            <property name="level">1.0</property>
+            <property name="style">bottle</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GwrWaterLevel" id="level">
+            <property name="visible">True</property>
+            <property name="level">0.0</property>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">Remaining</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">Hydration level</property>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="remaining_value">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="current_value">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+      </object>
+    </child>
     <child type="titlebar">
       <object class="GtkHeaderBar" id="header_bar">
         <property name="visible">True</property>
-        <property name="show-close-button">True</property>
+        <property name="can_focus">False</property>
         <property name="title">Water Reminder</property>
-      </object>
+        <property name="show_close_button">True</property>
-    </child>
+        <child>
-    <child>
+          <object class="GtkButton">
-      <object class="GwrWaterLevel" id="level">
+            <property name="visible">True</property>
-        <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">True</property>
+            <property name="action_name">win.add</property>
+            <child>
+              <object class="GtkImage">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="icon_name">list-add-symbolic</property>
+              </object>
+            </child>
+          </object>
+        </child>
       </object>
     </child>
   </template>

meson.build

@@ -1,5 +1,5 @@
 project('gnome-water-reminder', 'c',        version: '0.1.0',
-  meson_version: '>= 0.40.0',
+  meson_version: '>= 0.42.0',
 )
 
 i18n = import('i18n')

src/gwr-water-level.c

@@ -1,60 +1,282 @@
 #include "gwr-water-level.h"
+#include "gwr-enums.h"
 
 struct _GwrWaterLevel {
-  GtkWidget parent_instance;
+    GtkWidget parent_instance;
+
+    gfloat level;
+    GwrWaterLevelStyle style;
 };
 
+/**
+ * GwrWaterLevel:
+ *
+ * A widget displaying a glass filled with water.
+ */
 G_DEFINE_TYPE(GwrWaterLevel, gwr_water_level, GTK_TYPE_WIDGET)
 
+enum {
+    PROP_0,
+    PROP_LEVEL,
+    PROP_STYLE,
+    N_PROPS
+};
+
+static GParamSpec *props[N_PROPS] = { NULL, };
+
+/**
+ * gwr_water_level_set_level:
+ * @self: a #GwrWaterLevel object
+ * @level: the level to set
+ *
+ * Set the water level for this object.
+ */
+void
+gwr_water_level_set_level(GwrWaterLevel *self,
+                          gfloat         level)
+{
+    g_debug("Setting level to %.2f", level);
+
+    if (G_UNLIKELY(level > 1.0)) {
+        g_warning("Value (%.2f) is too large.  Scaling down to 1.0", level);
+        level = 1.0;
+    } else if (G_UNLIKELY(level < 0.0)) {
+        g_warning("Value (%.2f) is too small.  Scaling up to 0.0", level);
+        level = 0.0;
+    }
+
+    self->level = level;
+
+    gtk_widget_queue_draw(GTK_WIDGET(self));
+
+    g_object_notify_by_pspec(G_OBJECT(self), props[PROP_LEVEL]);
+}
+
+/**
+ * gwr_water_level_get_level:
+ * @self: a #GwrWaterLevel object
+ *
+ * @returns: the current water level
+ */
+gfloat
+gwr_water_level_get_level(GwrWaterLevel *self)
+{
+    return self->level;
+}
+
+void
+gwr_water_level_set_style(GwrWaterLevel      *self,
+                          GwrWaterLevelStyle  style)
+{
+    g_debug("Setting style to %d", style);
+
+    self->style = style;
+
+    gtk_widget_queue_draw(GTK_WIDGET(self));
+
+    g_object_notify_by_pspec(G_OBJECT(self), props[PROP_LEVEL]);
+}
+
+GwrWaterLevelStyle
+gwr_water_level_get_style(GwrWaterLevel *self)
+{
+    return self->style;
+}
+
 static gboolean
 gwr_water_level_draw(GtkWidget *widget, cairo_t *cr)
 {
-  GtkStyleContext *context = gtk_widget_get_style_context(widget);
+    GwrWaterLevel *self = GWR_WATER_LEVEL(widget);
-  gint width = gtk_widget_get_allocated_width(widget);
+    GtkStyleContext *context = gtk_widget_get_style_context(widget);
-  gint height = gtk_widget_get_allocated_height(widget);
+    gint width = gtk_widget_get_allocated_width(widget);
-  GdkRGBA color;
+    gint height = gtk_widget_get_allocated_height(widget);
+    GdkRGBA color;
+    gint left, right, center;
+    gfloat level_y;
 
-  gtk_render_background(context, cr, 0, 0, width, height);
+    gtk_render_background(context, cr, 0, 0, width, height);
-  gtk_render_frame(context, cr, 0, 0, width, height);
+    gtk_render_frame(context, cr, 0, 0, width, height);
 
-  cairo_arc(cr, width / 2.0, height / 2.0, MIN(width, height) / 2.0, 0, 2 * G_PI);
+    center = left = right = width / 2.0;
-  gtk_style_context_get_color(context, gtk_style_context_get_state(context), &color);
+    left -= 3.0 * height / 8.0;
-  gdk_cairo_set_source_rgba(cr, &color);
+    right += 3.0 * height / 8.0;
-  gdk_cairo_set_source_rgba(cr, &color);
+    width = right - left;
-  cairo_fill (cr);
 
-  return FALSE;
+    gfloat top_y = width * 0.1;
+    gint bottom_y = height - (width * 0.1);
+
+    cairo_save(cr);
+    switch (self->style) {
+    case GWR_WATER_LEVEL_STYLE_BOTTLE:
+        {
+            gfloat left_x = left + (width * 0.2);
+            gfloat right_x = right - (width * 0.2);
+
+            cairo_move_to(cr, left_x, bottom_y);
+            cairo_line_to(cr, right_x, bottom_y);
+            cairo_line_to(cr, right_x, top_y + (width * 0.2));
+            cairo_line_to(cr, center + (width * 0.1), top_y + (width * 0.1));
+            cairo_line_to(cr, center + (width * 0.1), top_y);
+            cairo_line_to(cr, center - (width * 0.1), top_y);
+            cairo_line_to(cr, center - (width * 0.1), top_y + (width * 0.1));
+            cairo_line_to(cr, left_x, top_y + (width * 0.2));
+            cairo_close_path(cr);
+            cairo_stroke(cr);
+
+            top_y = top_y + (width * 0.2);
+            level_y = top_y + (bottom_y - top_y) * (1.0 - self->level);
+            cairo_rectangle(cr, left_x, level_y, right_x - left_x, bottom_y - level_y);
+        }
+
+        break;
+    default:
+        {
+            gint top_left_x = left + (width * 0.1);
+            gint top_right_x = right - (width * 0.1);
+            gint bottom_right_x = right - (width * 0.2);
+            gint bottom_left_x = left + (width * 0.2);
+            level_y = top_y + (bottom_y - top_y) * (1.0 - self->level);
+
+            cairo_move_to(cr, top_left_x, top_y);
+            cairo_line_to(cr, top_right_x, top_y);
+            cairo_line_to(cr, bottom_right_x, bottom_y);
+            cairo_line_to(cr, bottom_left_x, bottom_y);
+            cairo_close_path(cr);
+            cairo_stroke(cr);
+
+            cairo_move_to(cr, bottom_right_x, bottom_y);
+            cairo_line_to(cr, bottom_left_x, bottom_y);
+            cairo_line_to(cr, bottom_left_x - ((top_right_x - bottom_right_x) * self->level), level_y);
+            cairo_line_to(cr, bottom_right_x + ((top_right_x - bottom_right_x) * self->level), level_y);
+            cairo_close_path(cr);
+        }
+        break;
+    }
+    cairo_restore(cr);
+
+    gtk_style_context_get_color(context, gtk_style_context_get_state(context), &color);
+
+    gdk_cairo_set_source_rgba(cr, &color);
+    cairo_fill (cr);
+
+    return FALSE;
 }
 
 static void
 gwr_water_level_finalize(GObject *gobject)
 {
-  // Here, you free memory that is associated with your instance.
+    // Here, you free memory that is associated with your instance.
-  //
+    //
-  // References to other objects should be freed in dispose instead.
+    // References to other objects should be freed in dispose instead.
 
-  G_OBJECT_CLASS(gwr_water_level_parent_class)->finalize(gobject);
+    G_OBJECT_CLASS(gwr_water_level_parent_class)->finalize(gobject);
 }
 
 static void
 gwr_water_level_destroy(GtkWidget *widget)
 {
-  // Here you drop references to other objects.
+    // Here you drop references to other objects.
 
-  GTK_WIDGET_CLASS(gwr_water_level_parent_class)->destroy(widget);
+    GTK_WIDGET_CLASS(gwr_water_level_parent_class)->destroy(widget);
+}
+
+static void
+gwr_water_level_get_preferred_height(GtkWidget *widget, gint *minimum_height, gint *natural_height)
+{
+    if (minimum_height != NULL) {
+        *minimum_height = 200;
+    }
+
+    if (natural_height != NULL) {
+        *natural_height = 400;
+    }
+}
+
+static void
+gwr_water_level_get_preferred_width(GtkWidget *widget, gint *minimum_width, gint *natural_width)
+{
+    if (minimum_width != NULL) {
+        *minimum_width = 100;
+    }
+
+    if (natural_width != NULL) {
+        *natural_width = 200;
+    }
+}
+
+static void
+gwr_water_level_set_property(GObject      *gobject,
+                             guint         prop_id,
+                             const GValue *value,
+                             GParamSpec   *pspec)
+{
+    switch (prop_id) {
+    case PROP_LEVEL:
+        gwr_water_level_set_level(GWR_WATER_LEVEL(gobject), g_value_get_float(value));
+
+        break;
+    case PROP_STYLE:
+        gwr_water_level_set_style(GWR_WATER_LEVEL(gobject), g_value_get_enum(value));
+
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
+
+        break;
+    }
+}
+
+static void
+gwr_water_level_get_property(GObject    *gobject,
+                             guint       prop_id,
+                             GValue     *value,
+                             GParamSpec *pspec)
+{
+    switch (prop_id) {
+    case PROP_LEVEL:
+        g_value_set_float(value, gwr_water_level_get_level(GWR_WATER_LEVEL(gobject)));
+
+        break;
+    case PROP_STYLE:
+        g_value_set_enum(value, gwr_water_level_get_style(GWR_WATER_LEVEL(gobject)));
+
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, prop_id, pspec);
+
+        break;
+    }
 }
 
 static void
 gwr_water_level_class_init(GwrWaterLevelClass *klass)
 {
-  GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+    GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
+    GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
 
-  gobject_class->finalize = gwr_water_level_finalize;
+    gobject_class->set_property = gwr_water_level_set_property;
-  widget_class->destroy = gwr_water_level_destroy;
+    gobject_class->get_property = gwr_water_level_get_property;
-  widget_class->draw = gwr_water_level_draw;
+    gobject_class->finalize = gwr_water_level_finalize;
+
+    widget_class->destroy = gwr_water_level_destroy;
+    widget_class->get_preferred_width = gwr_water_level_get_preferred_width;
+    widget_class->get_preferred_height = gwr_water_level_get_preferred_height;
+    widget_class->draw = gwr_water_level_draw;
+
+    props[PROP_LEVEL] = g_param_spec_float(
+        "level", "level", "The current water level",
+        0.0, 1.0, 0.0,
+        G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
+    props[PROP_STYLE] = g_param_spec_enum(
+        "style", "style", "The style of the water level",
+        GWR_TYPE_WATER_LEVEL_STYLE, GWR_WATER_LEVEL_STYLE_GLASS,
+        G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
+    g_object_class_install_properties(gobject_class, N_PROPS, props);
 }
 
  static void
 gwr_water_level_init(GwrWaterLevel *self)
-{}
+{
+    self->level = 0.0;
+    gtk_widget_set_has_window(GTK_WIDGET(self), FALSE);
+}

src/gwr-water-level.h

@@ -5,9 +5,21 @@
 
 G_BEGIN_DECLS
 
+typedef enum {
+    GWR_WATER_LEVEL_STYLE_GLASS,
+    GWR_WATER_LEVEL_STYLE_BOTTLE
+} GwrWaterLevelStyle;
+
 # define GWR_TYPE_WATER_LEVEL (gwr_water_level_get_type())
 G_DECLARE_FINAL_TYPE(GwrWaterLevel, gwr_water_level, GWR, WATER_LEVEL, GtkWidget)
 
+void gwr_water_level_set_level(GwrWaterLevel *water_level,
+                               gfloat         level);
+gfloat gwr_water_level_get_level(GwrWaterLevel *water_level);
+void gwr_water_level_set_style(GwrWaterLevel      *water_level,
+                               GwrWaterLevelStyle  style);
+GwrWaterLevelStyle gwr_water_level_get_style(GwrWaterLevel *water_level);
+
 G_END_DECLS
 
 #endif  /* __GWR_WATER_LEVEL_H__ */

src/gwr-window.c

@@ -17,20 +17,34 @@
  */
 
 #include "gwr-config.h"
+
+#include <glib/gi18n-lib.h>
 #include "gwr-window.h"
 #include "gwr-water-level.h"
 
 struct _GwrWindow
 {
-  GtkApplicationWindow  parent_instance;
+    GtkApplicationWindow  parent_instance;
 
-  /* Template widgets */
+    /* Template widgets */
-  GtkHeaderBar        *header_bar;
+    GtkHeaderBar        *header_bar;
-  GwrWaterLevel       *level;
+    GwrWaterLevel       *level;
+    GwrWaterLevel       *remaining;
+
+    GtkLabel            *remaining_value;
+    GtkLabel            *current_value;
 };
 
 G_DEFINE_TYPE (GwrWindow, gwr_window, GTK_TYPE_APPLICATION_WINDOW)
 
+static void gwr_window_add_action(GSimpleAction *action,
+                                  GVariant      *parameter,
+                                  gpointer       user_data);
+
+static GActionEntry win_entries[] = {
+    { "add", gwr_window_add_action, NULL, NULL, NULL },
+};
+
 static void
 gwr_window_class_init (GwrWindowClass *klass)
 {
@@ -39,10 +53,53 @@ gwr_window_class_init (GwrWindowClass *klass)
   gtk_widget_class_set_template_from_resource (widget_class, "/eu/polonkai/gergely/GnomeWaterReminder/gwr-window.ui");
   gtk_widget_class_bind_template_child (widget_class, GwrWindow, header_bar);
   gtk_widget_class_bind_template_child (widget_class, GwrWindow, level);
+  gtk_widget_class_bind_template_child (widget_class, GwrWindow, remaining);
+  gtk_widget_class_bind_template_child (widget_class, GwrWindow, current_value);
+  gtk_widget_class_bind_template_child (widget_class, GwrWindow, remaining_value);
+}
+
+static void
+level_changed(GwrWaterLevel *level,
+              GParamSpec    *pspec,
+              GwrWindow     *self)
+{
+    gchar *text;
+    GtkLabel *label = (level == self->level) ? self->current_value : self->remaining_value;
+
+    g_debug("level changed");
+
+    text = g_strdup_printf(_("Value: %.0f%%"), gwr_water_level_get_level (level) * 100);
+    gtk_label_set_text(label, text);
+    g_free(text);
 }
 
 static void
 gwr_window_init (GwrWindow *self)
 {
-  gtk_widget_init_template (GTK_WIDGET (self));
+    g_type_ensure(GWR_TYPE_WATER_LEVEL);
+
+    gtk_widget_init_template (GTK_WIDGET (self));
+
+    g_action_map_add_action_entries(G_ACTION_MAP(self), win_entries, G_N_ELEMENTS(win_entries), self);
+
+    g_signal_connect(self->level, "notify::level", G_CALLBACK(level_changed), self);
+    g_signal_connect(self->remaining, "notify::level", G_CALLBACK(level_changed), self);
+
+    level_changed(self->level, NULL, self);
+    level_changed(self->remaining, NULL, self);
+}
+
+void
+gwr_window_add_water(GwrWindow *self)
+{
+    gwr_water_level_set_level (self->remaining, gwr_water_level_get_level (self->remaining) - 0.1);
+    gwr_water_level_set_level (self->level, gwr_water_level_get_level (self->level) + 0.1);
+}
+
+static void
+ gwr_window_add_action(GSimpleAction *action,
+                       GVariant      *parameter,
+                       gpointer       user_data)
+{
+    gwr_window_add_water(GWR_WINDOW(user_data));
 }

src/gwr-window.h

@@ -26,4 +26,6 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (GwrWindow, gwr_window, GWR, WINDOW, GtkApplicationWindow)
 
+void gwr_window_add_water(GwrWindow *window);
+
 G_END_DECLS

src/main.c

@@ -17,75 +17,88 @@
  */
 
 #include <glib/gi18n.h>
+#include <libnotify/notify.h>
 
 #include "gwr-config.h"
 #include "gwr-window.h"
 
+static void
+add_some(NotifyNotification *notification,
+         char               *action,
+         gpointer            user_data)
+{
+    GwrWindow *window = GWR_WINDOW(user_data);
+    GError *error = NULL;
+
+    if (!notify_notification_close(notification, &error)) {
+        g_warning("Could not close notification: %s", error->message);
+
+        g_clear_error(&error);
+    }
+
+    gwr_window_add_water(window);
+}
+
+static gboolean
+show_notification(gpointer user_data)
+{
+    NotifyNotification *notification;
+    GwrWindow *window = GWR_WINDOW(user_data);
+    GError *error = NULL;
+
+    notification = notify_notification_new(_("Remember to drink water!"), NULL, NULL);
+    notify_notification_set_timeout(notification, 5000);
+    notify_notification_add_action(notification, "add", _("I just drank"), add_some, g_object_ref(window), g_object_unref);
+
+    if (!notify_notification_show(notification, &error)) {
+        g_warning("Could not present notification: %s", error->message);
+        g_clear_error(&error);
+    }
+}
+
 static void
 on_activate (GtkApplication *app)
 {
 	GtkWindow *window;
 
-	/* It's good practice to check your parameters at the beginning of the
-	 * function. It helps catch errors early and in development instead of
-	 * by your users.
-	 */
 	g_assert (GTK_IS_APPLICATION (app));
 
 	/* Get the current window or create one if necessary. */
 	window = gtk_application_get_active_window (app);
-	if (window == NULL)
+
-		window = g_object_new (GWR_TYPE_WINDOW,
+    if (window == NULL) {
-		                       "application", app,
+        window = g_object_new (GWR_TYPE_WINDOW,
-		                       "default-width", 600,
+                               "application", app,
-		                       "default-height", 300,
+                               NULL);
-		                       NULL);
+    }
 
 	/* Ask the window manager/compositor to present the window. */
 	gtk_window_present (window);
+
+    g_timeout_add_seconds(3600, show_notification, window);
 }
 
 int
 main (int   argc,
       char *argv[])
 {
+    gint ret;
+
 	g_autoptr(GtkApplication) app = NULL;
-	int ret;
 
 	/* Set up gettext translations */
 	bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
 	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 	textdomain (GETTEXT_PACKAGE);
 
-	/*
-	 * Create a new GtkApplication. The application manages our main loop,
-	 * application windows, integration with the window manager/compositor, and
-	 * desktop features such as file opening and single-instance applications.
-	 */
 	app = gtk_application_new ("eu.polonkai.gergely.GnomeWaterReminder", G_APPLICATION_FLAGS_NONE);
-
-	/*
-	 * We connect to the activate signal to create a window when the application
-	 * has been lauched. Additionally, this signal notifies us when the user
-	 * tries to launch a "second instance" of the application. When they try
-	 * to do that, we'll just present any existing window.
-	 *
-	 * Because we can't pass a pointer to any function type, we have to cast
-	 * our "on_activate" function to a GCallback.
-	 */
 	g_signal_connect (app, "activate", G_CALLBACK (on_activate), NULL);
 
-	/*
+    notify_init(_("Water Reminder"));
-	 * Run the application. This function will block until the applicaiton
-	 * exits. Upon return, we have our exit code to return to the shell. (This
-	 * is the code you see when you do `echo $?` after running a command in a
-	 * terminal.
-	 *
-	 * Since GtkApplication inherits from GApplication, we use the parent class
-	 * method "run". But we need to cast, which is what the "G_APPLICATION()"
-	 * macro does.
-	 */
-	ret = g_application_run (G_APPLICATION (app), argc, argv);
 
-	return ret;
+    ret = g_application_run (G_APPLICATION (app), argc, argv);
+
+    notify_uninit();
+
+    return ret;
 }

src/meson.build

@@ -5,12 +5,15 @@ gwr_sources = [
   'gwr-water-level.c',
 ]
 
+gwr_enums = gnome.mkenums_simple('gwr-enums', sources: 'gwr-water-level.h')
+
 gwr_deps = [
   dependency('gio-2.0', version: '>= 2.50'),
   dependency('gtk+-3.0', version: '>= 3.22'),
+  dependency('libnotify', version: '>= 0.7'),
 ]
 
-executable('gnome-water-reminder', gwr_sources,
+executable('gnome-water-reminder', gwr_sources, gwr_enums,
   dependencies: gwr_deps,
   install: true,
 )