+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

+ *

+ * Copyright (C) 2006-2007 Christian Hammond <[email protected]>

+ * Copyright (C) 2009 Red Hat, Inc.

+ * Copyright (C) 2011 Perberos <[email protected]>

+ *

+ * This program is free software; you can redistribute it and/or modify

+ * it under the terms of the GNU General Public License as published by

+ * the Free Software Foundation; either version 2, or (at your option)

+ * any later version.

+ *

+ * This program is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+ * GNU General Public License for more details.

+ *

+ * You should have received a copy of the GNU General Public License

+ * along with this program; if not, write to the Free Software

+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA

+ * 02111-1307, USA.

+ */

+

+#include "config.h"

+

+#include <gtk/gtk.h>

+

+typedef void (*ActionInvokedCb) (GtkWindow* nw, const char* key);

+typedef void (*UrlClickedCb) (GtkWindow* nw, const char* url);

+

+typedef struct {

+ GtkWidget* win;

+ GtkWidget* main_hbox;

+ GtkWidget* iconbox;

+ GtkWidget* icon;

+ GtkWidget* content_hbox;

+ GtkWidget* summary_label;

+ GtkWidget* close_button;

+ GtkWidget* body_label;

+ GtkWidget* actions_box;

+ GtkWidget* last_sep;

+ GtkWidget* pie_countdown;

+

+ gboolean has_arrow;

+ gboolean composited;

+

+ int width;

+ int height;

+ int last_width;

+ int last_height;

+

+ guchar urgency;

+ glong timeout;

+ glong remaining;

+

+ UrlClickedCb url_clicked;

+} WindowData;

+

+enum {

+ URGENCY_LOW,

+ URGENCY_NORMAL,

+ URGENCY_CRITICAL

+};

+

+#define WIDTH 400

+#define DEFAULT_X0 0

+#define DEFAULT_Y0 0

+#define DEFAULT_RADIUS 8

+#define IMAGE_SIZE 48

+#define PIE_RADIUS 8

+#define PIE_WIDTH (2 * PIE_RADIUS)

+#define PIE_HEIGHT (2 * PIE_RADIUS)

+#define BODY_X_OFFSET (IMAGE_SIZE + 4)

+#define BACKGROUND_ALPHA 0.90

+

+#define MAX_ICON_SIZE IMAGE_SIZE

+

+#define USE_COMPOSITE

+

+static void draw_round_rect(cairo_t* cr, gdouble aspect, gdouble x, gdouble y, gdouble corner_radius, gdouble width, gdouble height)

+{

+ gdouble radius = corner_radius / aspect;

+

+ cairo_move_to(cr, x + radius, y);

+

+ // top-right, left of the corner

+ cairo_line_to(cr, x + width - radius, y);

+

+ // top-right, below the corner

+ cairo_arc(cr, x + width - radius, y + radius, radius, -90.0f * G_PI / 180.0f, 0.0f * G_PI / 180.0f);

+

+ // bottom-right, above the corner

+ cairo_line_to(cr, x + width, y + height - radius);

+

+ // bottom-right, left of the corner

+ cairo_arc(cr, x + width - radius, y + height - radius, radius, 0.0f * G_PI / 180.0f, 90.0f * G_PI / 180.0f);

+

+ // bottom-left, right of the corner

+ cairo_line_to(cr, x + radius, y + height);

+

+ // bottom-left, above the corner

+ cairo_arc(cr, x + radius, y + height - radius, radius, 90.0f * G_PI / 180.0f, 180.0f * G_PI / 180.0f);

+

+ // top-left, below the corner

+ cairo_line_to(cr, x, y + radius);

+

+ // top-left, right of the corner

+ cairo_arc(cr, x + radius, y + radius, radius, 180.0f * G_PI / 180.0f, 270.0f * G_PI / 180.0f);

+}

+

+static void fill_background(GtkWidget* widget, WindowData* windata, cairo_t* cr)

+{

+ GdkColor color;

+ double r, g, b;

+

+ #if GTK_CHECK_VERSION(3, 0, 0)

+

+ GtkAllocation allocation;

+

+ gtk_widget_get_allocation(widget, &allocation);

+

+ draw_round_rect(cr, 1.0f, DEFAULT_X0 + 1, DEFAULT_Y0 + 1, DEFAULT_RADIUS, allocation.width - 2, allocation.height - 2);

+

+ //GdkRGBA color;

+

+ //gtk_style_context_get_background_color();

+ color = widget->style->bg[GTK_STATE_NORMAL];

+ r = (float) color.red / 65535.0;

+ g = (float) color.green / 65535.0;

+ b = (float) color.blue / 65535.0;

+ cairo_set_source_rgba(cr, r, g, b, BACKGROUND_ALPHA);

+ cairo_fill_preserve(cr);

+

+ /* Should we show urgency somehow? Probably doesn't

+ * have any meaningful value to the user... */

+

+ color = widget->style->text_aa[GTK_STATE_NORMAL];

+ r = (float) color.red / 65535.0;

+ g = (float) color.green / 65535.0;

+ b = (float) color.blue / 65535.0;

+ cairo_set_source_rgba(cr, r, g, b, BACKGROUND_ALPHA / 2);

+ cairo_set_line_width(cr, 1);

+ cairo_stroke(cr);

+

+ #else

+

+ draw_round_rect(cr, 1.0f, DEFAULT_X0 + 1, DEFAULT_Y0 + 1, DEFAULT_RADIUS, widget->allocation.width - 2, widget->allocation.height - 2);

+

+ color = widget->style->bg[GTK_STATE_NORMAL];

+ r = (float) color.red / 65535.0;

+ g = (float) color.green / 65535.0;

+ b = (float) color.blue / 65535.0;

+ cairo_set_source_rgba(cr, r, g, b, BACKGROUND_ALPHA);

+ cairo_fill_preserve(cr);

+

+ /* Should we show urgency somehow? Probably doesn't

+ * have any meaningful value to the user... */

+

+ color = widget->style->text_aa[GTK_STATE_NORMAL];

+ r = (float) color.red / 65535.0;

+ g = (float) color.green / 65535.0;

+ b = (float) color.blue / 65535.0;

+ cairo_set_source_rgba(cr, r, g, b, BACKGROUND_ALPHA / 2);

+ cairo_set_line_width(cr, 1);

+ cairo_stroke(cr);

+ #endif

+}

+

+static void update_shape(WindowData* windata)

+{

+ GdkBitmap* mask;

+ cairo_t* cr;

+

+ if (windata->width == windata->last_width && windata->height == windata->last_height)

+ {

+ return;

+ }

+

+ if (windata->width == 0 || windata->height == 0)

+ {

+ #if GTK_CHECK_VERSION(3, 0, 0)

+

+ GtkAllocation allocation;

+

+ gtk_widget_get_allocation(windata->win, &allocation);

+

+ windata->width = MAX(allocation.width, 1);

+ windata->height = MAX(allocation.height, 1);

+ #else

+ windata->width = MAX(windata->win->allocation.width, 1);

+ windata->height = MAX(windata->win->allocation.height, 1);

+ #endif

+ }

+

+ if (windata->composited)

+ {

+ gtk_widget_shape_combine_mask(windata->win, NULL, 0, 0);

+ return;

+ }

+

+ windata->last_width = windata->width;

+ windata->last_height = windata->height;

+ mask = (GdkBitmap*) gdk_pixmap_new(NULL, windata->width, windata->height, 1);

+

+ if (mask == NULL)

+ {

+ return;

+ }

+

+ cr = gdk_cairo_create(mask);

+

+ if (cairo_status(cr) == CAIRO_STATUS_SUCCESS)

+ {

+ cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);

+ cairo_paint(cr);

+

+ cairo_set_operator(cr, CAIRO_OPERATOR_OVER);

+ cairo_set_source_rgb(cr, 1.0f, 1.0f, 1.0f);

+ draw_round_rect(cr, 1.0f, DEFAULT_X0, DEFAULT_Y0, DEFAULT_RADIUS, windata->width, windata->height);

+ cairo_fill(cr);

+

+ gtk_widget_shape_combine_mask(windata->win, mask, 0, 0);

+ }

+ cairo_destroy(cr);

+

+ g_object_unref(mask);

+}

+

+static void paint_window(GtkWidget* widget, WindowData* windata)

+{

+ cairo_t* context;

+ cairo_surface_t* surface;

+ cairo_t* cr;

+

+ if (windata->width == 0 || windata->height == 0)

+ {

+ #if GTK_CHECK_VERSION(3, 0, 0)

+

+ GtkAllocation allocation;

+

+ gtk_widget_get_allocation(windata->win, &allocation);

+

+ windata->width = MAX(allocation.width, 1);

+ windata->height = MAX(allocation.height, 1);

+ #else

+ windata->width = MAX(windata->win->allocation.width, 1);

+ windata->height = MAX(windata->win->allocation.height, 1);

+ #endif

+ }

+

+ context = gdk_cairo_create(widget->window);

+

+ cairo_set_operator(context, CAIRO_OPERATOR_SOURCE);

+

+

+ #if GTK_CHECK_VERSION(3, 0, 0)

+

+ GtkAllocation allocation;

+

+ gtk_widget_get_allocation(widget, &allocation);

+

+ surface = cairo_surface_create_similar(cairo_get_target(context), CAIRO_CONTENT_COLOR_ALPHA, allocation.width, allocation.height);

+ #else

+

+ surface = cairo_surface_create_similar(cairo_get_target(context), CAIRO_CONTENT_COLOR_ALPHA, widget->allocation.width, widget->allocation.height);

+ #endif

+

+ cr = cairo_create(surface);

+

+ fill_background(widget, windata, cr);

+

+ cairo_destroy(cr);

+ cairo_set_source_surface(context, surface, 0, 0);

+ cairo_paint(context);

+ cairo_surface_destroy(surface);

+ cairo_destroy(context);

+

+ update_shape(windata);

+}

+

+static gboolean on_window_map(GtkWidget* widget, GdkEvent* event, WindowData* windata)

+{

+ return FALSE;

+}

+

+static gboolean on_window_expose(GtkWidget* widget, GdkEventExpose* event, WindowData* windata)

+{

+ paint_window(widget, windata);

+

+ return FALSE;

+}

+

+static void destroy_windata(WindowData* windata)

+{

+ g_free(windata);

+}

+

+static void update_content_hbox_visibility(WindowData* windata)

+{

+ if (GTK_WIDGET_VISIBLE(windata->icon) || GTK_WIDGET_VISIBLE(windata->body_label) || GTK_WIDGET_VISIBLE(windata->actions_box))

+ {

+ gtk_widget_show(windata->content_hbox);

+ }

+ else

+ {

+ gtk_widget_hide(windata->content_hbox);

+ }

+}

+

+static gboolean on_configure_event(GtkWidget* widget, GdkEventConfigure* event, WindowData* windata)

+{

+ windata->width = event->width;

+ windata->height = event->height;

+

+ gtk_widget_queue_draw(widget);

+

+ return FALSE;

+}

+

+static void on_window_realize(GtkWidget* widget, WindowData* windata)

+{

+ /* Nothing */

+}

+

+static void color_reverse(const GdkColor* a, GdkColor* b)

+{

+ gdouble red;

+ gdouble green;

+ gdouble blue;

+ gdouble h;

+ gdouble s;

+ gdouble v;

+

+ red = (gdouble) a->red / 65535.0;

+ green = (gdouble) a->green / 65535.0;

+ blue = (gdouble) a->blue / 65535.0;

+

+ gtk_rgb_to_hsv(red, green, blue, &h, &s, &v);

+

+ /* pivot brightness around the center */

+ v = 0.5 + (0.5 - v);

+

+ if (v > 1.0)

+ {

+ v = 1.0;

+ }

+ else if (v < 0.0)

+ {

+ v = 0.0;

+ }

+

+ /* reduce saturation by 50% */

+ s *= 0.5;

+

+ gtk_hsv_to_rgb(h, s, v, &red, &green, &blue);

+

+ b->red = red * 65535.0;

+ b->green = green * 65535.0;

+ b->blue = blue * 65535.0;

+}

+

+static void override_style(GtkWidget* widget, GtkStyle* previous_style)

+{

+ GtkStateType state;

+ GtkStyle* style;

+ GdkColor fg;

+ GdkColor bg;

+

+ style = gtk_style_copy(widget->style);

+

+ if (previous_style == NULL || (previous_style != NULL && (previous_style->bg[GTK_STATE_NORMAL].red != style->bg[GTK_STATE_NORMAL].red || previous_style->bg[GTK_STATE_NORMAL].green != style->bg[GTK_STATE_NORMAL].green || previous_style->bg[GTK_STATE_NORMAL].blue != style->bg[GTK_STATE_NORMAL].blue)))

+ {

+ state = (GtkStateType) 0;

+

+ while (state < (GtkStateType) G_N_ELEMENTS(widget->style->bg))

+ {

+ color_reverse(&style->bg[state], &bg);

+ gtk_widget_modify_bg(widget, state, &bg);

+ state++;

+ }

+ }

+

+ if (previous_style == NULL || (previous_style != NULL && (previous_style->fg[GTK_STATE_NORMAL].red != style->fg[GTK_STATE_NORMAL].red || previous_style->fg[GTK_STATE_NORMAL].green != style->fg[GTK_STATE_NORMAL].green || previous_style->fg[GTK_STATE_NORMAL].blue != style->fg[GTK_STATE_NORMAL].blue)))

+ {

+ state = (GtkStateType) 0;

+

+ while (state < (GtkStateType) G_N_ELEMENTS(widget->style->fg))

+ {

+ color_reverse(&style->fg[state], &fg);

+ gtk_widget_modify_fg(widget, state, &fg);

+ state++;

+ }

+ }

+

+ g_object_unref(style);

+}

+

+static void on_style_set(GtkWidget* widget, GtkStyle* previous_style, WindowData* windata)

+{

+ g_signal_handlers_block_by_func(G_OBJECT(widget), on_style_set, windata);

+ override_style(widget, previous_style);

+

+ gtk_widget_queue_draw(widget);

+

+ g_signal_handlers_unblock_by_func(G_OBJECT(widget), on_style_set, windata);

+}

+

+static void on_composited_changed(GtkWidget* window, WindowData* windata)

+{

+ windata->composited = gdk_screen_is_composited(gtk_widget_get_screen(window));

+ update_shape(windata);

+}

+

+GtkWindow* create_notification(UrlClickedCb url_clicked)

+{

+ GtkWidget* win;

+ GtkWidget* main_vbox;

+ GtkWidget* vbox;

+ GtkWidget* close_button;

+ GtkWidget* image;

+ GtkWidget* alignment;

+ AtkObject* atkobj;

+ GtkRcStyle* rcstyle;

+ WindowData* windata;

+ #ifdef USE_COMPOSITE

+ GdkColormap* colormap;

+ GdkScreen* screen;

+ #endif

+

+ windata = g_new0(WindowData, 1);

+ windata->urgency = URGENCY_NORMAL;

+ windata->url_clicked = url_clicked;

+

+ win = gtk_window_new(GTK_WINDOW_POPUP);

+ gtk_window_set_resizable(GTK_WINDOW(win), FALSE);

+ gtk_widget_set_app_paintable(win, TRUE);

+ g_signal_connect(G_OBJECT(win), "style-set", G_CALLBACK(on_style_set), windata);

+ g_signal_connect(G_OBJECT(win), "map-event", G_CALLBACK(on_window_map), windata);

+ g_signal_connect(G_OBJECT(win), "expose-event", G_CALLBACK(on_window_expose), windata);

+ g_signal_connect(G_OBJECT(win), "realize", G_CALLBACK(on_window_realize), windata);

+

+ windata->win = win;

+

+ windata->composited = FALSE;

+

+ #ifdef USE_COMPOSITE

+ screen = gtk_window_get_screen(GTK_WINDOW(win));

+ colormap = gdk_screen_get_rgba_colormap(screen);

+

+ if (colormap != NULL)

+ {

+ gtk_widget_set_colormap(win, colormap);

+

+ if (gdk_screen_is_composited(screen))

+ {

+ windata->composited = TRUE;

+ }

+ }

+

+ g_signal_connect(win, "composited-changed", G_CALLBACK(on_composited_changed), windata);

+ #endif

+

+ gtk_window_set_title(GTK_WINDOW(win), "Notification");

+ gtk_window_set_type_hint(GTK_WINDOW(win), GDK_WINDOW_TYPE_HINT_NOTIFICATION);

+ gtk_widget_add_events(win, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);

+

+ g_object_set_data_full(G_OBJECT(win), "windata", windata, (GDestroyNotify) destroy_windata);

+ atk_object_set_role(gtk_widget_get_accessible(win), ATK_ROLE_ALERT);

+

+ g_signal_connect(G_OBJECT(win), "configure-event", G_CALLBACK(on_configure_event), windata);

+

+ main_vbox = gtk_vbox_new(FALSE, 0);

+ g_signal_connect(G_OBJECT(main_vbox), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(main_vbox);

+ gtk_container_add(GTK_CONTAINER(win), main_vbox);

+ gtk_container_set_border_width(GTK_CONTAINER(main_vbox), 12);

+

+ windata->main_hbox = gtk_hbox_new(FALSE, 0);

+ gtk_widget_show(windata->main_hbox);

+ gtk_box_pack_start(GTK_BOX(main_vbox), windata->main_hbox, FALSE, FALSE, 0);

+

+ /* First row (icon, vbox, close) */

+ windata->iconbox = gtk_alignment_new(0.5, 0, 0, 0);

+ gtk_widget_show(windata->iconbox);

+ gtk_alignment_set_padding(GTK_ALIGNMENT(windata->iconbox), 5, 0, 0, 0);

+ gtk_box_pack_start(GTK_BOX(windata->main_hbox), windata->iconbox, FALSE, FALSE, 0);

+ gtk_widget_set_size_request(windata->iconbox, BODY_X_OFFSET, -1);

+

+ windata->icon = gtk_image_new();

+ gtk_widget_show(windata->icon);

+ gtk_container_add(GTK_CONTAINER(windata->iconbox), windata->icon);

+

+ vbox = gtk_vbox_new(FALSE, 6);

+ gtk_widget_show(vbox);

+ gtk_box_pack_start(GTK_BOX(windata->main_hbox), vbox, TRUE, TRUE, 0);

+ gtk_container_set_border_width(GTK_CONTAINER(vbox), 10);

+

+ /* Add the close button */

+ alignment = gtk_alignment_new(0.5, 0, 0, 0);

+ gtk_widget_show(alignment);

+ gtk_box_pack_start(GTK_BOX(windata->main_hbox), alignment, FALSE, FALSE, 0);

+

+ close_button = gtk_button_new();

+ g_signal_connect(G_OBJECT(close_button), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(close_button);

+ windata->close_button = close_button;

+ gtk_container_add(GTK_CONTAINER(alignment), close_button);

+ gtk_button_set_relief(GTK_BUTTON(close_button), GTK_RELIEF_NONE);

+ gtk_container_set_border_width(GTK_CONTAINER(close_button), 0);

+ g_signal_connect_swapped(G_OBJECT(close_button), "clicked", G_CALLBACK(gtk_widget_destroy), win);

+

+ rcstyle = gtk_rc_style_new();

+ rcstyle->xthickness = rcstyle->ythickness = 0;

+ gtk_widget_modify_style(close_button, rcstyle);

+ g_object_unref(rcstyle);

+

+ atkobj = gtk_widget_get_accessible(close_button);

+ atk_action_set_description(ATK_ACTION(atkobj), 0, "Closes the notification.");

+ atk_object_set_name(atkobj, "");

+ atk_object_set_description(atkobj, "Closes the notification.");

+

+ image = gtk_image_new_from_stock(GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);

+ gtk_widget_show(image);

+ gtk_container_add(GTK_CONTAINER(close_button), image);

+

+ /* center vbox */

+ windata->summary_label = gtk_label_new(NULL);

+ g_signal_connect(G_OBJECT(windata->summary_label), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(windata->summary_label);

+ gtk_box_pack_start(GTK_BOX(vbox), windata->summary_label, TRUE, TRUE, 0);

+ gtk_misc_set_alignment(GTK_MISC(windata->summary_label), 0, 0);

+ gtk_label_set_line_wrap(GTK_LABEL(windata->summary_label), TRUE);

+

+ atkobj = gtk_widget_get_accessible(windata->summary_label);

+ atk_object_set_description(atkobj, "Notification summary text.");

+

+ windata->content_hbox = gtk_hbox_new(FALSE, 6);

+ gtk_widget_show(windata->content_hbox);

+ gtk_box_pack_start(GTK_BOX(vbox), windata->content_hbox, FALSE, FALSE, 0);

+

+

+ vbox = gtk_vbox_new(FALSE, 6);

+ gtk_widget_show(vbox);

+ gtk_box_pack_start(GTK_BOX(windata->content_hbox), vbox, TRUE, TRUE, 0);

+

+ windata->body_label = gtk_label_new(NULL);

+ g_signal_connect(G_OBJECT(windata->body_label), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(windata->body_label);

+ gtk_box_pack_start(GTK_BOX(vbox), windata->body_label, TRUE, TRUE, 0);

+ gtk_misc_set_alignment(GTK_MISC(windata->body_label), 0, 0);

+ gtk_label_set_line_wrap(GTK_LABEL(windata->body_label), TRUE);

+ g_signal_connect_swapped(G_OBJECT(windata->body_label), "activate-link", G_CALLBACK(windata->url_clicked), win);

+

+ atkobj = gtk_widget_get_accessible(windata->body_label);

+ atk_object_set_description(atkobj, "Notification body text.");

+

+ alignment = gtk_alignment_new(1, 0.5, 0, 0);

+ gtk_widget_show(alignment);

+ gtk_box_pack_start(GTK_BOX(vbox), alignment, FALSE, TRUE, 0);

+

+ windata->actions_box = gtk_hbox_new(FALSE, 6);

+ gtk_widget_show(windata->actions_box);

+ gtk_container_add(GTK_CONTAINER(alignment), windata->actions_box);

+

+ return GTK_WINDOW(win);

+}

+

+void set_notification_hints(GtkWindow* nw, GHashTable* hints)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ g_assert(windata != NULL);

+

+ GValue* value = (GValue*) g_hash_table_lookup(hints, "urgency");

+

+ if (value != NULL && G_VALUE_HOLDS_UCHAR(value))

+ {

+ windata->urgency = g_value_get_uchar(value);

+

+ if (windata->urgency == URGENCY_CRITICAL)

+ {

+ gtk_window_set_title(GTK_WINDOW(nw), "Critical Notification");

+ }

+ else

+ {

+ gtk_window_set_title(GTK_WINDOW(nw), "Notification");

+ }

+ }

+}

+

+void set_notification_timeout(GtkWindow *nw, glong timeout)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ g_assert(windata != NULL);

+

+ windata->timeout = timeout;

+}

+

+void notification_tick(GtkWindow* nw, glong remaining)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ windata->remaining = remaining;

+

+ if (windata->pie_countdown != NULL)

+ {

+ gtk_widget_queue_draw_area(windata->pie_countdown, 0, 0, PIE_WIDTH, PIE_HEIGHT);

+ }

+}

+

+void set_notification_text(GtkWindow* nw, const char* summary, const char* body)

+{

+ char* str;

+ char* quoted;

+ GtkRequisition req;

+ WindowData* windata;

+ int summary_width;

+

+ windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ g_assert(windata != NULL);

+

+ quoted = g_markup_escape_text(summary, -1);

+ str = g_strdup_printf("<b><big>%s</big></b>", quoted);

+ g_free(quoted);

+

+ gtk_label_set_markup(GTK_LABEL(windata->summary_label), str);

+ g_free(str);

+

+ gtk_label_set_markup(GTK_LABEL(windata->body_label), body);

+

+ if (body == NULL || *body == '\0')

+ {

+ gtk_widget_hide(windata->body_label);

+ }

+ else

+ {

+ gtk_widget_show(windata->body_label);

+ }

+

+ update_content_hbox_visibility(windata);

+

+ gtk_widget_size_request(windata->close_button, &req);

+ /* -1: main_vbox border width

+ -10: vbox border width

+ -6: spacing for hbox */

+ summary_width = WIDTH - (1 * 2) - (10 * 2) - BODY_X_OFFSET - req.width - (6 * 2);

+

+ if (body != NULL && *body != '\0')

+ {

+ gtk_widget_set_size_request(windata->body_label, summary_width, -1);

+ }

+

+ gtk_widget_set_size_request(windata->summary_label, summary_width, -1);

+}

+

+static GdkPixbuf* scale_pixbuf(GdkPixbuf* pixbuf, int max_width, int max_height, gboolean no_stretch_hint)

+{

+ float scale_factor_x = 1.0;

+ float scale_factor_y = 1.0;

+ float scale_factor = 1.0;

+

+ int pw = gdk_pixbuf_get_width(pixbuf);

+ int ph = gdk_pixbuf_get_height(pixbuf);

+

+ /* Determine which dimension requires the smallest scale. */

+ scale_factor_x = (float) max_width / (float) pw;

+ scale_factor_y = (float) max_height / (float) ph;

+

+ if (scale_factor_x > scale_factor_y)

+ {

+ scale_factor = scale_factor_y;

+ }

+ else

+ {

+ scale_factor = scale_factor_x;

+ }

+

+ /* always scale down, allow to disable scaling up */

+ if (scale_factor < 1.0 || !no_stretch_hint)

+ {

+ int scale_x;

+ int scale_y;

+

+ scale_x = (int) (pw * scale_factor);

+ scale_y = (int) (ph * scale_factor);

+

+ return gdk_pixbuf_scale_simple(pixbuf, scale_x, scale_y, GDK_INTERP_BILINEAR);

+ }

+ else

+ {

+ return g_object_ref(pixbuf);

+ }

+}

+

+void set_notification_icon(GtkWindow* nw, GdkPixbuf* pixbuf)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ g_assert(windata != NULL);

+

+ GdkPixbuf* scaled = NULL;

+

+ if (pixbuf != NULL)

+ {

+ scaled = scale_pixbuf(pixbuf, MAX_ICON_SIZE, MAX_ICON_SIZE, TRUE);

+ }

+

+ gtk_image_set_from_pixbuf(GTK_IMAGE(windata->icon), scaled);

+

+ if (scaled != NULL)

+ {

+ int pixbuf_width = gdk_pixbuf_get_width(scaled);

+

+ gtk_widget_show(windata->icon);

+ gtk_widget_set_size_request(windata->iconbox, MAX(BODY_X_OFFSET, pixbuf_width), -1);

+ g_object_unref(scaled);

+ }

+ else

+ {

+ gtk_widget_hide(windata->icon);

+

+ gtk_widget_set_size_request(windata->iconbox, BODY_X_OFFSET, -1);

+ }

+

+ update_content_hbox_visibility(windata);

+}

+

+void set_notification_arrow(GtkWidget* nw, gboolean visible, int x, int y)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ g_assert(windata != NULL);

+}

+

+static gboolean on_countdown_expose(GtkWidget* pie, GdkEventExpose* event, WindowData* windata)

+{

+ GtkStyle* style;

+ cairo_t* context;

+ cairo_surface_t* surface;

+ cairo_t* cr;

+ GdkColor color;

+ double r, g, b;

+

+ style = gtk_widget_get_style(windata->win);

+

+ #if GTK_CHECK_VERSION(3, 0, 0)

+ context = gdk_cairo_create(GDK_WINDOW(windata->pie_countdown->window));

+ #else

+ context = gdk_cairo_create(GDK_DRAWABLE(windata->pie_countdown->window));

+ #endif

+

+ cairo_set_operator(context, CAIRO_OPERATOR_SOURCE);

+

+

+ #if GTK_CHECK_VERSION(3, 0, 0)

+

+ GtkAllocation allocation;

+

+ gtk_widget_get_allocation(pie, &allocation);

+

+ surface = cairo_surface_create_similar(cairo_get_target(context), CAIRO_CONTENT_COLOR_ALPHA, allocation.width, allocation.height);

+

+ #else

+

+ surface = cairo_surface_create_similar(cairo_get_target(context), CAIRO_CONTENT_COLOR_ALPHA, pie->allocation.width, pie->allocation.height);

+

+ #endif

+

+ cr = cairo_create(surface);

+

+ cairo_set_operator(cr, CAIRO_OPERATOR_OVER);

+ color = windata->win->style->bg[GTK_STATE_NORMAL];

+ r = (float) color.red / 65535.0;

+ g = (float) color.green / 65535.0;

+ b = (float) color.blue / 65535.0;

+ cairo_set_source_rgba(cr, r, g, b, BACKGROUND_ALPHA);

+ cairo_paint(cr);

+

+ if (windata->timeout > 0)

+ {

+ gdouble pct = (gdouble) windata->remaining / (gdouble) windata->timeout;

+

+ gdk_cairo_set_source_color(cr, &style->fg[GTK_STATE_NORMAL]);

+

+ cairo_move_to(cr, PIE_RADIUS, PIE_RADIUS);

+ cairo_arc_negative(cr, PIE_RADIUS, PIE_RADIUS, PIE_RADIUS, -G_PI_2, -(pct * G_PI * 2) - G_PI_2);

+ cairo_line_to(cr, PIE_RADIUS, PIE_RADIUS);

+ cairo_fill(cr);

+ }

+

+ cairo_destroy(cr);

+ cairo_set_source_surface(context, surface, 0, 0);

+ cairo_paint(context);

+ cairo_surface_destroy(surface);

+ cairo_destroy(context);

+

+ return TRUE;

+}

+

+static void on_action_clicked(GtkWidget* w, GdkEventButton *event, ActionInvokedCb action_cb)

+{

+ GtkWindow* nw = g_object_get_data(G_OBJECT(w), "_nw");

+ const char* key = g_object_get_data(G_OBJECT(w), "_action_key");

+

+ action_cb(nw, key);

+}

+

+void add_notification_action(GtkWindow* nw, const char* text, const char* key, ActionInvokedCb cb)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+ GtkWidget* label;

+ GtkWidget* button;

+ GtkWidget* hbox;

+ GdkPixbuf* pixbuf;

+ char* buf;

+

+ g_assert(windata != NULL);

+

+ if (!GTK_WIDGET_VISIBLE(windata->actions_box))

+ {

+ GtkWidget* alignment;

+

+ gtk_widget_show(windata->actions_box);

+ update_content_hbox_visibility(windata);

+

+ alignment = gtk_alignment_new(1, 0.5, 0, 0);

+ gtk_widget_show(alignment);

+ gtk_box_pack_end(GTK_BOX(windata->actions_box), alignment, FALSE, TRUE, 0);

+

+ windata->pie_countdown = gtk_drawing_area_new();

+ g_signal_connect(G_OBJECT(windata->pie_countdown), "style-set", G_CALLBACK(on_style_set), windata);

+

+ gtk_widget_show(windata->pie_countdown);

+ gtk_container_add(GTK_CONTAINER(alignment), windata->pie_countdown);

+ gtk_widget_set_size_request(windata->pie_countdown, PIE_WIDTH, PIE_HEIGHT);

+ g_signal_connect(G_OBJECT(windata->pie_countdown), "expose_event", G_CALLBACK(on_countdown_expose), windata);

+ }

+

+ button = gtk_button_new();

+ g_signal_connect(G_OBJECT(button), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(button);

+ gtk_box_pack_start(GTK_BOX(windata->actions_box), button, FALSE, FALSE, 0);

+ gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);

+ gtk_container_set_border_width(GTK_CONTAINER(button), 0);

+

+ hbox = gtk_hbox_new(FALSE, 6);

+ gtk_widget_show(hbox);

+ gtk_container_add(GTK_CONTAINER(button), hbox);

+

+ /* Try to be smart and find a suitable icon. */

+ buf = g_strdup_printf("stock_%s", key);

+ pixbuf = gtk_icon_theme_load_icon(gtk_icon_theme_get_for_screen(gdk_drawable_get_screen(GTK_WIDGET(nw)->window)), buf, 16, GTK_ICON_LOOKUP_USE_BUILTIN, NULL);

+ g_free(buf);

+

+ if (pixbuf != NULL)

+ {

+ GtkWidget* image = gtk_image_new_from_pixbuf(pixbuf);

+ g_signal_connect(G_OBJECT(image), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(image);

+ gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);

+ gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.5);

+ }

+

+ label = gtk_label_new(NULL);

+ g_signal_connect(G_OBJECT(label), "style-set", G_CALLBACK(on_style_set), windata);

+ gtk_widget_show(label);

+ gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);

+ gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);

+ buf = g_strdup_printf("<small>%s</small>", text);

+ gtk_label_set_markup(GTK_LABEL(label), buf);

+ g_free(buf);

+

+ g_object_set_data(G_OBJECT(button), "_nw", nw);

+ g_object_set_data_full(G_OBJECT(button), "_action_key", g_strdup(key), g_free);

+ g_signal_connect(G_OBJECT(button), "button-release-event", G_CALLBACK(on_action_clicked), cb);

+}

+

+void clear_notification_actions(GtkWindow* nw)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(nw), "windata");

+

+ windata->pie_countdown = NULL;

+

+ gtk_widget_hide(windata->actions_box);

+ gtk_container_foreach(GTK_CONTAINER(windata->actions_box), (GtkCallback) gtk_object_destroy, NULL);

+}

+

+void move_notification(GtkWidget* widget, int x, int y)

+{

+ WindowData* windata = g_object_get_data(G_OBJECT(widget), "windata");

+

+ g_assert(windata != NULL);

+

+ gtk_window_move(GTK_WINDOW(windata->win), x, y);

+}

+

+void get_theme_info(char** theme_name, char** theme_ver, char** author, char** homepage)

+{

+ *theme_name = g_strdup("Slider");

+ *theme_ver = g_strdup_printf("%d.%d.%d", NOTIFICATION_DAEMON_MAJOR_VERSION, NOTIFICATION_DAEMON_MINOR_VERSION, NOTIFICATION_DAEMON_MICRO_VERSION);

+ *author = g_strdup("William Jon McCann");

+ *homepage = g_strdup("http://www.gnome.org/");

+}

+

+gboolean get_always_stack(GtkWidget* nw)

+{

+ return TRUE;

+}

+

+gboolean theme_check_init(unsigned int major_ver, unsigned int minor_ver, unsigned int micro_ver)

+{

+ return major_ver == 0 && (minor_ver > 3 || (minor_ver == 3 && micro_ver >= 2));

+}