/* Copyright 2010 Canonical Ltd. Authors: Conor Curran Mirco Müller Andrea Cimitan This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranties of MERCHANTABILITY, SATISFACTORY QUALITY, 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, see . Uses code from ctk */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "transport-widget.h" #define RECT_WIDTH 130.0f #define Y 7.0f #define X 70.0f #define INNER_RADIUS 12.5 #define MIDDLE_RADIUS 13.0f #define OUTER_RADIUS 14.5f #define CIRCLE_RADIUS 21.0f #define PREV_WIDTH 25.0f #define PREV_HEIGHT 17.0f #define NEXT_WIDTH 25.0f //PREV_WIDTH #define NEXT_HEIGHT 17.0f //PREV_HEIGHT #define TRI_WIDTH 11.0f #define TRI_HEIGHT 13.0f #define TRI_OFFSET 6.0f #define PREV_X 68.0f #define PREV_Y 13.0f #define NEXT_X 146.0f #define NEXT_Y 13.0f //prev_y #define PAUSE_WIDTH 21.0f #define PAUSE_HEIGHT 27.0f #define BAR_WIDTH 4.5f #define BAR_HEIGHT 24.0f #define BAR_OFFSET 10.0f #define PAUSE_X 111.0f #define PAUSE_Y 7.0f #define PLAY_WIDTH 28.0f #define PLAY_HEIGHT 29.0f #define PLAY_PADDING 5.0f #define INNER_START_SHADE 0.98 #define INNER_END_SHADE 0.98 #define MIDDLE_START_SHADE 1.0 #define MIDDLE_END_SHADE 1.0 #define OUTER_START_SHADE 0.75 #define OUTER_END_SHADE 1.3 #define SHADOW_BUTTON_SHADE 0.8 #define OUTER_PLAY_START_SHADE 0.7 #define OUTER_PLAY_END_SHADE 1.38 #define BUTTON_START_SHADE 1.1 #define BUTTON_END_SHADE 0.9 #define BUTTON_SHADOW_SHADE 0.8 #define INNER_COMPRESSED_START_SHADE 1.0 #define INNER_COMPRESSED_END_SHADE 1.0 typedef struct _TransportWidgetPrivate TransportWidgetPrivate; struct _TransportWidgetPrivate { TransportAction current_command; TransportAction key_event; TransportAction motion_event; TransportState current_state; GHashTable* command_coordinates; DbusmenuMenuitem* twin_item; gboolean has_focus; gint hold_timer; gint skip_frequency; }; #if GTK_CHECK_VERSION(3, 0, 0) static GList *transport_widget_list = NULL; static GtkStyleContext *spinner_style_context = NULL; static GtkWidgetPath *spinner_widget_path = NULL; #endif // TODO refactor the UI handlers, consolidate functionality between key press /release // and button press / release. #define TRANSPORT_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TRANSPORT_WIDGET_TYPE, TransportWidgetPrivate)) /* Gobject boiler plate */ static void transport_widget_class_init (TransportWidgetClass *klass); static void transport_widget_init (TransportWidget *self); static void transport_widget_dispose (GObject *object); static void transport_widget_finalize (GObject *object); G_DEFINE_TYPE (TransportWidget, transport_widget, GTK_TYPE_MENU_ITEM); /* essentials */ static void transport_widget_set_twin_item ( TransportWidget* self, DbusmenuMenuitem* twin_item); #if ! GTK_CHECK_VERSION(3, 0, 0) static gboolean transport_widget_expose ( GtkWidget *button, GdkEventExpose *event); #endif static gboolean draw (GtkWidget* button, cairo_t *cr); /* UI and dbusmenu callbacks */ static gboolean transport_widget_button_press_event (GtkWidget *menuitem, GdkEventButton *event); static gboolean transport_widget_button_release_event (GtkWidget *menuitem, GdkEventButton *event); static gboolean transport_widget_motion_notify_event (GtkWidget *menuitem, GdkEventMotion *event); static gboolean transport_widget_leave_notify_event (GtkWidget *menuitem, GdkEventCrossing *event); static void transport_widget_property_update ( DbusmenuMenuitem* item, gchar * property, GVariant * value, gpointer userdata ); static void transport_widget_menu_hidden ( GtkWidget *menu, TransportWidget *transport); static void transport_widget_notify ( GObject *item, GParamSpec *pspec, gpointer user_data ); static TransportAction transport_widget_determine_button_event ( TransportWidget* button, GdkEventButton* event); static TransportAction transport_widget_determine_motion_event ( TransportWidget* button, GdkEventMotion* event); static void transport_widget_react_to_button_release ( TransportWidget* button, TransportAction command); static void transport_widget_toggle_play_pause ( TransportWidget* button, TransportState update); static void transport_widget_select (GtkWidget* menu, gpointer Userdata); static void transport_widget_deselect (GtkWidget* menu, gpointer Userdata); static TransportAction transport_widget_collision_detection (gint x, gint y); static void transport_widget_start_timing (TransportWidget* widget); static gboolean transport_widget_trigger_seek (gpointer userdata); static gboolean transport_widget_seek (gpointer userdata); /// Init functions ////////////////////////////////////////////////////////// static void transport_widget_class_init (TransportWidgetClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GtkWidgetClass* widget_class = GTK_WIDGET_CLASS (klass); g_type_class_add_private (klass, sizeof (TransportWidgetPrivate)); widget_class->button_press_event = transport_widget_button_press_event; widget_class->button_release_event = transport_widget_button_release_event; widget_class->motion_notify_event = transport_widget_motion_notify_event; widget_class->leave_notify_event = transport_widget_leave_notify_event; #if GTK_CHECK_VERSION(3, 0, 0) widget_class->draw = draw; #else widget_class->expose_event = transport_widget_expose; #endif gobject_class->dispose = transport_widget_dispose; gobject_class->finalize = transport_widget_finalize; } static void transport_widget_init (TransportWidget *self) { TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(self); #if GTK_CHECK_VERSION(3, 0, 0) if (transport_widget_list == NULL){ /* append the object to the static linked list. */ transport_widget_list = g_list_append (transport_widget_list, self); /* create widget path */ spinner_widget_path = gtk_widget_path_new(); gtk_widget_path_iter_set_name (spinner_widget_path, -1 , "IndicatorSound"); gtk_widget_path_append_type (spinner_widget_path, GTK_TYPE_MENU); gtk_widget_path_append_type (spinner_widget_path, GTK_TYPE_MENU_ITEM); gtk_widget_path_append_type (spinner_widget_path, GTK_TYPE_SPINNER); /* create style context and append path */ spinner_style_context = gtk_style_context_new(); gtk_style_context_set_path (spinner_style_context, spinner_widget_path); gtk_style_context_add_class (spinner_style_context, GTK_STYLE_CLASS_MENU); gtk_style_context_add_class (spinner_style_context, GTK_STYLE_CLASS_MENUITEM); gtk_style_context_add_class (spinner_style_context, GTK_STYLE_CLASS_SPINNER); } #endif priv->current_command = TRANSPORT_ACTION_NO_ACTION; priv->current_state = TRANSPORT_STATE_PAUSED; priv->key_event = TRANSPORT_ACTION_NO_ACTION; priv->motion_event = TRANSPORT_ACTION_NO_ACTION; priv->has_focus = FALSE; priv->hold_timer = 0; priv->skip_frequency = 0; priv->command_coordinates = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)g_list_free); GList* previous_list = NULL; previous_list = g_list_insert(previous_list, GINT_TO_POINTER(15), 0); previous_list = g_list_insert(previous_list, GINT_TO_POINTER(5), 1); previous_list = g_list_insert(previous_list, GINT_TO_POINTER(60), 2); previous_list = g_list_insert(previous_list, GINT_TO_POINTER(34), 3); g_hash_table_insert(priv->command_coordinates, GINT_TO_POINTER(TRANSPORT_ACTION_PREVIOUS), previous_list); GList* play_list = NULL; play_list = g_list_insert(play_list, GINT_TO_POINTER(58), 0); play_list = g_list_insert(play_list, GINT_TO_POINTER(0), 1); play_list = g_list_insert(play_list, GINT_TO_POINTER(50), 2); play_list = g_list_insert(play_list, GINT_TO_POINTER(43), 3); g_hash_table_insert(priv->command_coordinates, GINT_TO_POINTER(TRANSPORT_ACTION_PLAY_PAUSE), play_list); GList* next_list = NULL; next_list = g_list_insert(next_list, GINT_TO_POINTER(100), 0); next_list = g_list_insert(next_list, GINT_TO_POINTER(5), 1); next_list = g_list_insert(next_list, GINT_TO_POINTER(60), 2); next_list = g_list_insert(next_list, GINT_TO_POINTER(34), 3); g_hash_table_insert(priv->command_coordinates, GINT_TO_POINTER(TRANSPORT_ACTION_NEXT), next_list); gtk_widget_set_size_request(GTK_WIDGET(self), 200, 43); g_signal_connect (G_OBJECT(self), "notify", G_CALLBACK (transport_widget_notify), NULL); g_signal_connect (G_OBJECT(self), "select", G_CALLBACK (transport_widget_select), NULL); g_signal_connect (G_OBJECT(self), "deselect", G_CALLBACK (transport_widget_deselect), NULL); gtk_widget_realize ( GTK_WIDGET (self) ); } static void transport_widget_dispose (GObject *object) { #if GTK_CHECK_VERSION(3, 0, 0) transport_widget_list = g_list_remove (transport_widget_list, object); if (transport_widget_list == NULL){ if (spinner_widget_path != NULL){ gtk_widget_path_free (spinner_widget_path); spinner_widget_path = NULL; } if (spinner_style_context != NULL){ g_object_unref (spinner_style_context); spinner_style_context = NULL; } } #endif G_OBJECT_CLASS (transport_widget_parent_class)->dispose (object); } static void transport_widget_finalize (GObject *object) { G_OBJECT_CLASS (transport_widget_parent_class)->finalize (object); } #if ! GTK_CHECK_VERSION(3, 0, 0) static gboolean transport_widget_expose (GtkWidget *button, GdkEventExpose *event) { cairo_t *cr; cr = gdk_cairo_create (gtk_widget_get_window (button)); cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height); cairo_clip(cr); draw (button, cr); cairo_destroy (cr); return FALSE; } #endif gboolean transport_widget_is_selected ( TransportWidget* widget ) { TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(widget); return priv->has_focus; } static void transport_widget_toggle_play_pause(TransportWidget* button, TransportState update) { TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); priv->current_state = update; gtk_widget_queue_draw (GTK_WIDGET(button)); } static void transport_widget_notify ( GObject *item, GParamSpec *pspec, gpointer user_data ) { if (g_strcmp0 (pspec->name, "parent")){ GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (item)); if (parent){ g_signal_connect ( parent, "hide", G_CALLBACK (transport_widget_menu_hidden), item ); } } } static void transport_widget_menu_hidden ( GtkWidget *menu, TransportWidget *transport) { g_return_if_fail(IS_TRANSPORT_WIDGET(transport)); transport_widget_react_to_button_release(transport, TRANSPORT_ACTION_NO_ACTION); } static gboolean transport_widget_motion_notify_event (GtkWidget *menuitem, GdkEventMotion *event) { //g_debug("transport_widget_motion_notify_event()"); g_return_val_if_fail ( IS_TRANSPORT_WIDGET(menuitem), FALSE ); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE ( TRANSPORT_WIDGET(menuitem) ); TransportAction result = transport_widget_determine_motion_event ( TRANSPORT_WIDGET(menuitem), event); priv->motion_event = result; gtk_widget_queue_draw (menuitem); if (priv->hold_timer != 0){ g_source_remove (priv->hold_timer); priv->hold_timer = 0; } if(priv->skip_frequency != 0){ g_source_remove (priv->skip_frequency); priv->skip_frequency = 0; } return TRUE; } static gboolean transport_widget_leave_notify_event (GtkWidget *menuitem, GdkEventCrossing *event) { //g_debug("transport_widget_leave_notify_event()"); g_return_val_if_fail ( IS_TRANSPORT_WIDGET(menuitem), FALSE ); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE ( TRANSPORT_WIDGET(menuitem) ); priv->motion_event = TRANSPORT_ACTION_NO_ACTION; priv->current_command = TRANSPORT_ACTION_NO_ACTION; gtk_widget_queue_draw (GTK_WIDGET(menuitem)); return TRUE; } static gboolean transport_widget_button_press_event (GtkWidget *menuitem, GdkEventButton *event) { //g_debug("transport_widget_button_press_event()"); g_return_val_if_fail ( IS_TRANSPORT_WIDGET(menuitem), FALSE ); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE ( TRANSPORT_WIDGET(menuitem) ); TransportAction result = transport_widget_determine_button_event ( TRANSPORT_WIDGET(menuitem), event); if(result != TRANSPORT_ACTION_NO_ACTION){ priv->current_command = result; gtk_widget_queue_draw (GTK_WIDGET(menuitem)); if (priv->current_command == TRANSPORT_ACTION_PREVIOUS || priv->current_command == TRANSPORT_ACTION_NEXT){ transport_widget_start_timing (TRANSPORT_WIDGET(menuitem)); } } return TRUE; } /** * TODO rename or merge * @param widget */ static void transport_widget_start_timing (TransportWidget* widget) { TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE (widget); if (priv->hold_timer == 0){ priv->hold_timer = g_timeout_add (800, transport_widget_trigger_seek, widget); } } static gboolean transport_widget_trigger_seek (gpointer userdata) { g_return_val_if_fail ( IS_TRANSPORT_WIDGET(userdata), FALSE ); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE (TRANSPORT_WIDGET(userdata)); if (priv->skip_frequency == 0){ priv->skip_frequency = g_timeout_add (100, transport_widget_seek, userdata); } priv->hold_timer = 0; return FALSE; } /** * This will be called repeatedly until a key/button release is received * @param userdata * @return */ static gboolean transport_widget_seek (gpointer userdata) { g_return_val_if_fail ( IS_TRANSPORT_WIDGET(userdata), FALSE ); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE (TRANSPORT_WIDGET(userdata)); GVariant* new_transport_state; if(priv->current_command == TRANSPORT_ACTION_NEXT){ //g_debug ("we should be skipping forward"); new_transport_state = g_variant_new_int32 ((int)TRANSPORT_ACTION_FORWIND); dbusmenu_menuitem_handle_event ( priv->twin_item, "Transport state change", new_transport_state, 0 ); } else if(priv->current_command == TRANSPORT_ACTION_PREVIOUS){ //g_debug ("we should be skipping back"); new_transport_state = g_variant_new_int32 ((int)TRANSPORT_ACTION_REWIND); dbusmenu_menuitem_handle_event ( priv->twin_item, "Transport state change", new_transport_state, 0 ); } return TRUE; } static gboolean transport_widget_button_release_event (GtkWidget *menuitem, GdkEventButton *event) { g_return_val_if_fail(IS_TRANSPORT_WIDGET(menuitem), FALSE); TransportWidget* transport = TRANSPORT_WIDGET(menuitem); TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); TransportAction result = transport_widget_determine_button_event ( transport, event ); if (result != TRANSPORT_ACTION_NO_ACTION && priv->current_command == result && priv->skip_frequency == 0){ GVariant* new_transport_state = g_variant_new_int32 ((int)result); dbusmenu_menuitem_handle_event ( priv->twin_item, "Transport state change", new_transport_state, 0 ); } transport_widget_react_to_button_release ( transport, result ); return TRUE; } static void transport_widget_select (GtkWidget* item, gpointer Userdata) { TransportWidget* transport = TRANSPORT_WIDGET(item); TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); priv->has_focus = TRUE; } static void transport_widget_deselect (GtkWidget* item, gpointer Userdata) { TransportWidget* transport = TRANSPORT_WIDGET(item); TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); priv->has_focus = FALSE; } void transport_widget_react_to_key_press_event ( TransportWidget* transport, TransportAction transport_event ) { if(transport_event != TRANSPORT_ACTION_NO_ACTION){ TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); priv->current_command = transport_event; priv->key_event = transport_event; gtk_widget_realize ( GTK_WIDGET(transport) ); gtk_widget_queue_draw (GTK_WIDGET(transport) ); if (priv->current_command == TRANSPORT_ACTION_PREVIOUS || priv->current_command == TRANSPORT_ACTION_NEXT){ transport_widget_start_timing (transport); } } } void transport_widget_react_to_key_release_event ( TransportWidget* transport, TransportAction transport_event ) { if(transport_event != TRANSPORT_ACTION_NO_ACTION){ TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); GVariant* new_transport_event = g_variant_new_int32((int)transport_event); if (priv->skip_frequency == 0){ dbusmenu_menuitem_handle_event ( priv->twin_item, "Transport state change", new_transport_event, 0 ); } } transport_widget_react_to_button_release ( transport, transport_event ); } void transport_widget_focus_update ( TransportWidget* transport, gboolean focus ) { TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); priv->has_focus = focus; } static TransportAction transport_widget_determine_button_event( TransportWidget* button, GdkEventButton* event ) { return transport_widget_collision_detection (event->x, event->y); } static TransportAction transport_widget_determine_motion_event( TransportWidget* button, GdkEventMotion* event ) { return transport_widget_collision_detection (event->x, event->y); } static TransportAction transport_widget_collision_detection ( gint x, gint y ) { TransportAction event = TRANSPORT_ACTION_NO_ACTION; if (x > 67 && x < 112 && y > 12 && y < 40){ event = TRANSPORT_ACTION_PREVIOUS; } else if (x > 111 && x < 153 && y > 5 && y < 47){ event = TRANSPORT_ACTION_PLAY_PAUSE; } else if (x > 152 && x < 197 && y > 12 && y < 40){ event = TRANSPORT_ACTION_NEXT; } return event; } static void transport_widget_react_to_button_release ( TransportWidget* button, TransportAction command ) { g_return_if_fail(IS_TRANSPORT_WIDGET(button)); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); priv->current_command = TRANSPORT_ACTION_NO_ACTION; priv->key_event = TRANSPORT_ACTION_NO_ACTION; gtk_widget_queue_draw (GTK_WIDGET(button)); if (priv->hold_timer != 0){ g_source_remove (priv->hold_timer); priv->hold_timer = 0; } if(priv->skip_frequency != 0){ g_source_remove (priv->skip_frequency); priv->skip_frequency = 0; } } /// internal helper functions ////////////////////////////////////////////////// static void draw_gradient (cairo_t* cr, double x, double y, double w, double r, double* rgba_start, double* rgba_end) { cairo_pattern_t* pattern = NULL; cairo_move_to (cr, x, y); cairo_line_to (cr, x + w - 2.0f * r, y); cairo_arc (cr, x + w - 2.0f * r, y + r, r, -90.0f * G_PI / 180.0f, 90.0f * G_PI / 180.0f); cairo_line_to (cr, x, y + 2.0f * r); cairo_arc (cr, x, y + r, r, 90.0f * G_PI / 180.0f, 270.0f * G_PI / 180.0f); cairo_close_path (cr); pattern = cairo_pattern_create_linear (x, y, x, y + 2.0f * r); cairo_pattern_add_color_stop_rgba (pattern, 0.0f, rgba_start[0], rgba_start[1], rgba_start[2], rgba_start[3]); cairo_pattern_add_color_stop_rgba (pattern, 1.0f, rgba_end[0], rgba_end[1], rgba_end[2], rgba_end[3]); cairo_set_source (cr, pattern); cairo_fill (cr); cairo_pattern_destroy (pattern); } static void draw_circle (cairo_t* cr, double x, double y, double r, double* rgba_start, double* rgba_end) { cairo_pattern_t* pattern = NULL; cairo_move_to (cr, x, y); cairo_arc (cr, x + r, y + r, r, 0.0f * G_PI / 180.0f, 360.0f * G_PI / 180.0f); pattern = cairo_pattern_create_linear (x, y, x, y + 2.0f * r); cairo_pattern_add_color_stop_rgba (pattern, 0.0f, rgba_start[0], rgba_start[1], rgba_start[2], rgba_start[3]); cairo_pattern_add_color_stop_rgba (pattern, 1.0f, rgba_end[0], rgba_end[1], rgba_end[2], rgba_end[3]); cairo_set_source (cr, pattern); cairo_fill (cr); cairo_pattern_destroy (pattern); } static void _setup (cairo_t** cr, cairo_surface_t** surf, gint width, gint height) { if (!cr || !surf) return; *surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); *cr = cairo_create (*surf); cairo_scale (*cr, 1.0f, 1.0f); cairo_set_operator (*cr, CAIRO_OPERATOR_CLEAR); cairo_paint (*cr); cairo_set_operator (*cr, CAIRO_OPERATOR_OVER); } static void _mask_prev (cairo_t* cr, double x, double y, double tri_width, double tri_height, double tri_offset) { if (!cr) return; cairo_move_to (cr, x, y + tri_height / 2.0f); cairo_line_to (cr, x + tri_width, y); cairo_line_to (cr, x + tri_width, y + tri_height); x += tri_offset; cairo_move_to (cr, x, y + tri_height / 2.0f); cairo_line_to (cr, x + tri_width, y); cairo_line_to (cr, x + tri_width, y + tri_height); x -= tri_offset; cairo_rectangle (cr, x, y, 2.5f, tri_height); cairo_close_path (cr); } static void _mask_next (cairo_t* cr, double x, double y, double tri_width, double tri_height, double tri_offset) { if (!cr) return; cairo_move_to (cr, x, y); cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f); cairo_line_to (cr, x, y + tri_height); x += tri_offset; cairo_move_to (cr, x, y); cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f); cairo_line_to (cr, x, y + tri_height); x -= tri_offset; x += 2.0f * tri_width - tri_offset - 1.0f; cairo_rectangle (cr, x, y, 2.5f, tri_height); cairo_close_path (cr); } static void _mask_pause (cairo_t* cr, double x, double y, double bar_width, double bar_height, double bar_offset) { if (!cr) return; cairo_set_line_width (cr, bar_width); cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); x += bar_width; y += bar_width; cairo_move_to (cr, x, y); cairo_line_to (cr, x, y + bar_height); cairo_move_to (cr, x + bar_offset, y); cairo_line_to (cr, x + bar_offset, y + bar_height); } static void _mask_play (cairo_t* cr, double x, double y, double tri_width, double tri_height) { if (!cr) return; cairo_move_to (cr, x, y); cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f); cairo_line_to (cr, x, y + tri_height); cairo_close_path (cr); } static void _fill (cairo_t* cr, double x_start, double y_start, double x_end, double y_end, double* rgba_start, double* rgba_end, gboolean stroke) { cairo_pattern_t* pattern = NULL; if (!cr || !rgba_start || !rgba_end) return; pattern = cairo_pattern_create_linear (x_start, y_start, x_end, y_end); cairo_pattern_add_color_stop_rgba (pattern, 0.0f, rgba_start[0], rgba_start[1], rgba_start[2], rgba_start[3]); cairo_pattern_add_color_stop_rgba (pattern, 1.0f, rgba_end[0], rgba_end[1], rgba_end[2], rgba_end[3]); cairo_set_source (cr, pattern); if (stroke) cairo_stroke (cr); else cairo_fill (cr); cairo_pattern_destroy (pattern); } static void _finalize (cairo_t* cr, cairo_t** cr_surf, cairo_surface_t** surf, double x, double y) { if (!cr || !cr_surf || !surf) return; cairo_set_source_surface (cr, *surf, x, y); cairo_paint (cr); cairo_surface_destroy (*surf); cairo_destroy (*cr_surf); } static void _finalize_repaint (cairo_t* cr, cairo_t** cr_surf, cairo_surface_t** surf, double x, double y, int repaints) { if (!cr || !cr_surf || !surf) return; while (repaints > 0) { cairo_set_source_surface (cr, *surf, x, y); cairo_paint (cr); repaints--; } cairo_surface_destroy (*surf); cairo_destroy (*cr_surf); } static void _color_rgb_to_hls (gdouble *r, gdouble *g, gdouble *b) { gdouble min; gdouble max; gdouble red; gdouble green; gdouble blue; gdouble h = 0; gdouble l; gdouble s; gdouble delta; red = *r; green = *g; blue = *b; if (red > green) { if (red > blue) max = red; else max = blue; if (green < blue) min = green; else min = blue; } else { if (green > blue) max = green; else max = blue; if (red < blue) min = red; else min = blue; } l = (max+min)/2; if (fabs (max-min) < 0.0001) { h = 0; s = 0; } else { if (l <= 0.5) s = (max-min)/(max+min); else s = (max-min)/(2-max-min); delta = (max -min) != 0 ? (max -min) : 1; if(delta == 0) delta = 1; if (red == max) h = (green-blue)/delta; else if (green == max) h = 2+(blue-red)/delta; else if (blue == max) h = 4+(red-green)/delta; h *= 60; if (h < 0.0) h += 360; } *r = h; *g = l; *b = s; } static void _color_hls_to_rgb (gdouble *h, gdouble *l, gdouble *s) { gdouble hue; gdouble lightness; gdouble saturation; gdouble m1, m2; gdouble r, g, b; lightness = *l; saturation = *s; if (lightness <= 0.5) m2 = lightness*(1+saturation); else m2 = lightness+saturation-lightness*saturation; m1 = 2*lightness-m2; if (saturation == 0) { *h = lightness; *l = lightness; *s = lightness; } else { hue = *h+120; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) r = m1+(m2-m1)*hue/60; else if (hue < 180) r = m2; else if (hue < 240) r = m1+(m2-m1)*(240-hue)/60; else r = m1; hue = *h; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) g = m1+(m2-m1)*hue/60; else if (hue < 180) g = m2; else if (hue < 240) g = m1+(m2-m1)*(240-hue)/60; else g = m1; hue = *h-120; while (hue > 360) hue -= 360; while (hue < 0) hue += 360; if (hue < 60) b = m1+(m2-m1)*hue/60; else if (hue < 180) b = m2; else if (hue < 240) b = m1+(m2-m1)*(240-hue)/60; else b = m1; *h = r; *l = g; *s = b; } } void _color_shade (const CairoColorRGB *a, float k, CairoColorRGB *b) { double red; double green; double blue; red = a->r; green = a->g; blue = a->b; if (k == 1.0) { b->r = red; b->g = green; b->b = blue; return; } _color_rgb_to_hls (&red, &green, &blue); green *= k; if (green > 1.0) green = 1.0; else if (green < 0.0) green = 0.0; blue *= k; if (blue > 1.0) blue = 1.0; else if (blue < 0.0) blue = 0.0; _color_hls_to_rgb (&red, &green, &blue); b->r = red; b->g = green; b->b = blue; } static inline void _blurinner (guchar* pixel, gint* zR, gint* zG, gint* zB, gint* zA, gint alpha, gint aprec, gint zprec) { gint R; gint G; gint B; guchar A; R = *pixel; G = *(pixel + 1); B = *(pixel + 2); A = *(pixel + 3); *zR += (alpha * ((R << zprec) - *zR)) >> aprec; *zG += (alpha * ((G << zprec) - *zG)) >> aprec; *zB += (alpha * ((B << zprec) - *zB)) >> aprec; *zA += (alpha * ((A << zprec) - *zA)) >> aprec; *pixel = *zR >> zprec; *(pixel + 1) = *zG >> zprec; *(pixel + 2) = *zB >> zprec; *(pixel + 3) = *zA >> zprec; } static inline void _blurrow (guchar* pixels, gint width, gint height, gint channels, gint line, gint alpha, gint aprec, gint zprec) { gint zR; gint zG; gint zB; gint zA; gint index; guchar* scanline; scanline = &(pixels[line * width * channels]); zR = *scanline << zprec; zG = *(scanline + 1) << zprec; zB = *(scanline + 2) << zprec; zA = *(scanline + 3) << zprec; for (index = 0; index < width; index ++) _blurinner (&scanline[index * channels], &zR, &zG, &zB, &zA, alpha, aprec, zprec); for (index = width - 2; index >= 0; index--) _blurinner (&scanline[index * channels], &zR, &zG, &zB, &zA, alpha, aprec, zprec); } static inline void _blurcol (guchar* pixels, gint width, gint height, gint channels, gint x, gint alpha, gint aprec, gint zprec) { gint zR; gint zG; gint zB; gint zA; gint index; guchar* ptr; ptr = pixels; ptr += x * channels; zR = *((guchar*) ptr ) << zprec; zG = *((guchar*) ptr + 1) << zprec; zB = *((guchar*) ptr + 2) << zprec; zA = *((guchar*) ptr + 3) << zprec; for (index = width; index < (height - 1) * width; index += width) _blurinner ((guchar*) &ptr[index * channels], &zR, &zG, &zB, &zA, alpha, aprec, zprec); for (index = (height - 2) * width; index >= 0; index -= width) _blurinner ((guchar*) &ptr[index * channels], &zR, &zG, &zB, &zA, alpha, aprec, zprec); } void _expblur (guchar* pixels, gint width, gint height, gint channels, gint radius, gint aprec, gint zprec) { gint alpha; gint row = 0; gint col = 0; if (radius < 1) return; // calculate the alpha such that 90% of // the kernel is within the radius. // (Kernel extends to infinity) alpha = (gint) ((1 << aprec) * (1.0f - expf (-2.3f / (radius + 1.f)))); for (; row < height; row++) _blurrow (pixels, width, height, channels, row, alpha, aprec, zprec); for(; col < width; col++) _blurcol (pixels, width, height, channels, col, alpha, aprec, zprec); return; } void _surface_blur (cairo_surface_t* surface, guint radius) { guchar* pixels; guint width; guint height; cairo_format_t format; // before we mess with the surface execute any pending drawing cairo_surface_flush (surface); pixels = cairo_image_surface_get_data (surface); width = cairo_image_surface_get_width (surface); height = cairo_image_surface_get_height (surface); format = cairo_image_surface_get_format (surface); switch (format) { case CAIRO_FORMAT_ARGB32: _expblur (pixels, width, height, 4, radius, 16, 7); break; case CAIRO_FORMAT_RGB24: _expblur (pixels, width, height, 3, radius, 16, 7); break; case CAIRO_FORMAT_A8: _expblur (pixels, width, height, 1, radius, 16, 7); break; default : // do nothing break; } // inform cairo we altered the surfaces contents cairo_surface_mark_dirty (surface); } static gboolean draw (GtkWidget* button, cairo_t *cr) { g_return_val_if_fail(IS_TRANSPORT_WIDGET(button), FALSE); g_return_val_if_fail(cr != NULL, FALSE); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); //g_debug("transport-widget draw()"); cairo_surface_t* surf = NULL; cairo_t* cr_surf = NULL; #if ! GTK_CHECK_VERSION(3, 0, 0) GtkAllocation allocation; gtk_widget_get_allocation (button, &allocation); cairo_translate (cr, allocation.x, allocation.y); #endif GtkStyle *style; #if GTK_CHECK_VERSION(3, 0, 0) gtk_style_context_add_class (gtk_widget_get_style_context (button), "menu"); #endif CairoColorRGB bg_color, fg_color, bg_selected, bg_prelight; CairoColorRGB color_middle[2], color_middle_prelight[2], color_outer[2], color_outer_prelight[2], color_play_outer[2], color_play_outer_prelight[2], color_button[4], color_button_shadow, color_inner[2], color_inner_compressed[2]; style = gtk_widget_get_style (button); bg_color.r = style->bg[0].red/65535.0; bg_color.g = style->bg[0].green/65535.0; bg_color.b = style->bg[0].blue/65535.0; bg_prelight.r = style->bg[GTK_STATE_PRELIGHT].red/65535.0; bg_prelight.g = style->bg[GTK_STATE_PRELIGHT].green/65535.0; bg_prelight.b = style->bg[GTK_STATE_PRELIGHT].blue/65535.0; bg_selected.r = style->bg[GTK_STATE_SELECTED].red/65535.0; bg_selected.g = style->bg[GTK_STATE_SELECTED].green/65535.0; bg_selected.b = style->bg[GTK_STATE_SELECTED].blue/65535.0; fg_color.r = style->fg[0].red/65535.0; fg_color.g = style->fg[0].green/65535.0; fg_color.b = style->fg[0].blue/65535.0; _color_shade (&bg_color, MIDDLE_START_SHADE, &color_middle[0]); _color_shade (&bg_color, MIDDLE_END_SHADE, &color_middle[1]); _color_shade (&bg_prelight, MIDDLE_START_SHADE, &color_middle_prelight[0]); _color_shade (&bg_prelight, MIDDLE_END_SHADE, &color_middle_prelight[1]); _color_shade (&bg_color, OUTER_START_SHADE, &color_outer[0]); _color_shade (&bg_color, OUTER_END_SHADE, &color_outer[1]); _color_shade (&bg_prelight, OUTER_START_SHADE, &color_outer_prelight[0]); _color_shade (&bg_prelight, OUTER_END_SHADE, &color_outer_prelight[1]); _color_shade (&bg_color, OUTER_PLAY_START_SHADE, &color_play_outer[0]); _color_shade (&bg_color, OUTER_PLAY_END_SHADE, &color_play_outer[1]); _color_shade (&bg_prelight, OUTER_PLAY_START_SHADE, &color_play_outer_prelight[0]); _color_shade (&bg_prelight, OUTER_PLAY_END_SHADE, &color_play_outer_prelight[1]); _color_shade (&bg_color, INNER_START_SHADE, &color_inner[0]); _color_shade (&bg_color, INNER_END_SHADE, &color_inner[1]); _color_shade (&fg_color, BUTTON_START_SHADE, &color_button[0]); _color_shade (&fg_color, BUTTON_END_SHADE, &color_button[1]); _color_shade (&bg_color, BUTTON_SHADOW_SHADE, &color_button[2]); _color_shade (&bg_color, SHADOW_BUTTON_SHADE, &color_button_shadow); _color_shade (&bg_selected, 1.0, &color_button[3]); _color_shade (&bg_color, INNER_COMPRESSED_START_SHADE, &color_inner_compressed[0]); _color_shade (&bg_color, INNER_COMPRESSED_END_SHADE, &color_inner_compressed[1]); double MIDDLE_END[] = {color_middle[0].r, color_middle[0].g, color_middle[0].b, 1.0f}; double MIDDLE_START[] = {color_middle[1].r, color_middle[1].g, color_middle[1].b, 1.0f}; double MIDDLE_END_PRELIGHT[] = {color_middle_prelight[0].r, color_middle_prelight[0].g, color_middle_prelight[0].b, 1.0f}; double MIDDLE_START_PRELIGHT[] = {color_middle_prelight[1].r, color_middle_prelight[1].g, color_middle_prelight[1].b, 1.0f}; double OUTER_END[] = {color_outer[0].r, color_outer[0].g, color_outer[0].b, 1.0f}; double OUTER_START[] = {color_outer[1].r, color_outer[1].g, color_outer[1].b, 1.0f}; double OUTER_END_PRELIGHT[] = {color_outer_prelight[0].r, color_outer_prelight[0].g, color_outer_prelight[0].b, 1.0f}; double OUTER_START_PRELIGHT[] = {color_outer_prelight[1].r, color_outer_prelight[1].g, color_outer_prelight[1].b, 1.0f}; double SHADOW_BUTTON[] = {color_button_shadow.r, color_button_shadow.g, color_button_shadow.b, 0.3f}; double OUTER_PLAY_END[] = {color_play_outer[0].r, color_play_outer[0].g, color_play_outer[0].b, 1.0f}; double OUTER_PLAY_START[] = {color_play_outer[1].r, color_play_outer[1].g, color_play_outer[1].b, 1.0f}; double OUTER_PLAY_END_PRELIGHT[] = {color_play_outer_prelight[0].r, color_play_outer_prelight[0].g, color_play_outer_prelight[0].b, 1.0f}; double OUTER_PLAY_START_PRELIGHT[] = {color_play_outer_prelight[1].r, color_play_outer_prelight[1].g, color_play_outer_prelight[1].b, 1.0f}; double BUTTON_END[] = {color_button[0].r, color_button[0].g, color_button[0].b, 1.0f}; double BUTTON_START[] = {color_button[1].r, color_button[1].g, color_button[1].b, 1.0f}; double BUTTON_SHADOW[] = {color_button[2].r, color_button[2].g, color_button[2].b, 0.75f}; double BUTTON_SHADOW_FOCUS[] = {color_button[3].r, color_button[3].g, color_button[3].b, 1.0f}; double INNER_COMPRESSED_END[] = {color_inner_compressed[1].r, color_inner_compressed[1].g, color_inner_compressed[1].b, 1.0f}; double INNER_COMPRESSED_START[] = {color_inner_compressed[0].r, color_inner_compressed[0].g, color_inner_compressed[0].b, 1.0f}; draw_gradient (cr, X, Y, RECT_WIDTH, OUTER_RADIUS, OUTER_START, OUTER_END); draw_gradient (cr, X, Y + 1, RECT_WIDTH - 2, MIDDLE_RADIUS, MIDDLE_START, MIDDLE_END); draw_gradient (cr, X, Y + 2, RECT_WIDTH - 4, MIDDLE_RADIUS, MIDDLE_START, MIDDLE_END); //prev/next button if(priv->current_command == TRANSPORT_ACTION_PREVIOUS) { draw_gradient (cr, X, Y, RECT_WIDTH/2, OUTER_RADIUS, OUTER_END, OUTER_START); draw_gradient (cr, X, Y + 1, RECT_WIDTH/2, MIDDLE_RADIUS, INNER_COMPRESSED_START, INNER_COMPRESSED_END); draw_gradient (cr, X, Y + 2, RECT_WIDTH/2, MIDDLE_RADIUS, INNER_COMPRESSED_START, INNER_COMPRESSED_END); } else if(priv->current_command == TRANSPORT_ACTION_NEXT) { draw_gradient (cr, RECT_WIDTH / 2 + X, Y, RECT_WIDTH/2, OUTER_RADIUS, OUTER_END, OUTER_START); draw_gradient (cr, RECT_WIDTH / 2 + X, Y + 1, (RECT_WIDTH - 7)/2, MIDDLE_RADIUS, INNER_COMPRESSED_START, INNER_COMPRESSED_END); draw_gradient (cr, RECT_WIDTH / 2 + X, Y + 2, (RECT_WIDTH - 7)/2, MIDDLE_RADIUS, INNER_COMPRESSED_START, INNER_COMPRESSED_END); } else if (priv->motion_event == TRANSPORT_ACTION_PREVIOUS) { draw_gradient (cr, X, Y, RECT_WIDTH/2, OUTER_RADIUS, OUTER_START_PRELIGHT, OUTER_END_PRELIGHT); draw_gradient (cr, X, Y + 1, RECT_WIDTH/2, MIDDLE_RADIUS, MIDDLE_START_PRELIGHT, MIDDLE_END_PRELIGHT); draw_gradient (cr, X, Y + 2, RECT_WIDTH/2, MIDDLE_RADIUS, MIDDLE_START_PRELIGHT, MIDDLE_END_PRELIGHT); } else if (priv->motion_event == TRANSPORT_ACTION_NEXT) { draw_gradient (cr, RECT_WIDTH / 2 + X, Y, RECT_WIDTH/2, OUTER_RADIUS, OUTER_START_PRELIGHT, OUTER_END_PRELIGHT); draw_gradient (cr, RECT_WIDTH / 2 + X, Y + 1, (RECT_WIDTH - 7)/2, MIDDLE_RADIUS, MIDDLE_START_PRELIGHT, MIDDLE_END_PRELIGHT); draw_gradient (cr, RECT_WIDTH / 2 + X, Y + 2, (RECT_WIDTH - 7)/2, MIDDLE_RADIUS, MIDDLE_START_PRELIGHT, MIDDLE_END_PRELIGHT); } // play/pause shadow if(priv->current_command != TRANSPORT_ACTION_PLAY_PAUSE) { cairo_save (cr); cairo_rectangle (cr, X, Y, RECT_WIDTH, MIDDLE_RADIUS*2); cairo_clip (cr); draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f - 1.0f, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) - 1.0f, CIRCLE_RADIUS + 1.0f, SHADOW_BUTTON, SHADOW_BUTTON); cairo_restore (cr); } // play/pause button if(priv->current_command == TRANSPORT_ACTION_PLAY_PAUSE) { draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) , CIRCLE_RADIUS, OUTER_PLAY_END, OUTER_PLAY_START); draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.25f, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.25f, CIRCLE_RADIUS - 1.25, INNER_COMPRESSED_START, INNER_COMPRESSED_END); } else if (priv->motion_event == TRANSPORT_ACTION_PLAY_PAUSE) { /* this subtle offset is to fix alpha borders, should be removed once this draw routine will be refactored */ draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 0.1, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 0.1, CIRCLE_RADIUS - 0.1, OUTER_PLAY_START_PRELIGHT, OUTER_PLAY_END_PRELIGHT); draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.25f, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.25f, CIRCLE_RADIUS - 1.25, MIDDLE_START_PRELIGHT, MIDDLE_END_PRELIGHT); } else { draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)), CIRCLE_RADIUS, OUTER_PLAY_START, OUTER_PLAY_END); draw_circle (cr, X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.25f, Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.25f, CIRCLE_RADIUS - 1.25, MIDDLE_START, MIDDLE_END); } // draw previous-button drop-shadow if (priv->has_focus && priv->key_event == TRANSPORT_ACTION_PREVIOUS) { _setup (&cr_surf, &surf, PREV_WIDTH+6, PREV_HEIGHT+6); _mask_prev (cr_surf, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (PREV_HEIGHT - TRI_HEIGHT) / 2.0f, TRI_WIDTH, TRI_HEIGHT, TRI_OFFSET); _fill (cr_surf, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (PREV_HEIGHT - TRI_HEIGHT) / 2.0f, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (double) TRI_HEIGHT, BUTTON_SHADOW_FOCUS, BUTTON_SHADOW_FOCUS, FALSE); _surface_blur (surf, 3); _finalize_repaint (cr, &cr_surf, &surf, PREV_X, PREV_Y + 0.5f, 3); } else { _setup (&cr_surf, &surf, PREV_WIDTH, PREV_HEIGHT); _mask_prev (cr_surf, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (PREV_HEIGHT - TRI_HEIGHT) / 2.0f, TRI_WIDTH, TRI_HEIGHT, TRI_OFFSET); _fill (cr_surf, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (PREV_HEIGHT - TRI_HEIGHT) / 2.0f, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (double) TRI_HEIGHT, BUTTON_SHADOW, BUTTON_SHADOW, FALSE); _surface_blur (surf, 1); _finalize (cr, &cr_surf, &surf, PREV_X, PREV_Y + 1.0f); } // draw previous-button _setup (&cr_surf, &surf, PREV_WIDTH, PREV_HEIGHT); _mask_prev (cr_surf, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (PREV_HEIGHT - TRI_HEIGHT) / 2.0f, TRI_WIDTH, TRI_HEIGHT, TRI_OFFSET); _fill (cr_surf, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (PREV_HEIGHT - TRI_HEIGHT) / 2.0f, (PREV_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (double) TRI_HEIGHT, BUTTON_START, BUTTON_END, FALSE); _finalize (cr, &cr_surf, &surf, PREV_X, PREV_Y); // draw next-button drop-shadow if (priv->has_focus && priv->key_event == TRANSPORT_ACTION_NEXT) { _setup (&cr_surf, &surf, NEXT_WIDTH+6, NEXT_HEIGHT+6); _mask_next (cr_surf, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f, TRI_WIDTH, TRI_HEIGHT, TRI_OFFSET); _fill (cr_surf, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (double) TRI_HEIGHT, BUTTON_SHADOW_FOCUS, BUTTON_SHADOW_FOCUS, FALSE); _surface_blur (surf, 3); _finalize_repaint (cr, &cr_surf, &surf, NEXT_X, NEXT_Y + 0.5f, 3); } else { _setup (&cr_surf, &surf, NEXT_WIDTH, NEXT_HEIGHT); _mask_next (cr_surf, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f, TRI_WIDTH, TRI_HEIGHT, TRI_OFFSET); _fill (cr_surf, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (double) TRI_HEIGHT, BUTTON_SHADOW, BUTTON_SHADOW, FALSE); _surface_blur (surf, 1); _finalize (cr, &cr_surf, &surf, NEXT_X, NEXT_Y + 1.0f); } // draw next-button _setup (&cr_surf, &surf, NEXT_WIDTH, NEXT_HEIGHT); _mask_next (cr_surf, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f, TRI_WIDTH, TRI_HEIGHT, TRI_OFFSET); _fill (cr_surf, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (NEXT_HEIGHT - TRI_HEIGHT) / 2.0f, (NEXT_WIDTH - (2.0f * TRI_WIDTH - TRI_OFFSET)) / 2.0f, (double) TRI_HEIGHT, BUTTON_START, BUTTON_END, FALSE); _finalize (cr, &cr_surf, &surf, NEXT_X, NEXT_Y); // draw pause-button drop-shadow if(priv->current_state == TRANSPORT_STATE_PLAYING) { if (priv->has_focus && (priv->key_event == TRANSPORT_ACTION_NO_ACTION || priv->key_event == TRANSPORT_ACTION_PLAY_PAUSE)) { _setup (&cr_surf, &surf, PAUSE_WIDTH+6, PAUSE_HEIGHT+6); _mask_pause (cr_surf, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f, BAR_WIDTH, BAR_HEIGHT - 2.0f * BAR_WIDTH, BAR_OFFSET); _fill (cr_surf, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (double) BAR_HEIGHT, BUTTON_SHADOW_FOCUS, BUTTON_SHADOW_FOCUS, TRUE); _surface_blur (surf, 3); _finalize_repaint (cr, &cr_surf, &surf, PAUSE_X, PAUSE_Y + 0.5f, 3); } else { _setup (&cr_surf, &surf, PAUSE_WIDTH, PAUSE_HEIGHT); _mask_pause (cr_surf, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f, BAR_WIDTH, BAR_HEIGHT - 2.0f * BAR_WIDTH, BAR_OFFSET); _fill (cr_surf, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (double) BAR_HEIGHT, BUTTON_SHADOW, BUTTON_SHADOW, TRUE); _surface_blur (surf, 1); _finalize (cr, &cr_surf, &surf, PAUSE_X, PAUSE_Y + 1.0f); } // draw pause-button _setup (&cr_surf, &surf, PAUSE_WIDTH, PAUSE_HEIGHT); _mask_pause (cr_surf, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f, BAR_WIDTH, BAR_HEIGHT - 2.0f * BAR_WIDTH, BAR_OFFSET); _fill (cr_surf, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (PAUSE_HEIGHT - BAR_HEIGHT) / 2.0f, (PAUSE_WIDTH - (2.0f * BAR_WIDTH + BAR_OFFSET)) / 2.0f, (double) BAR_HEIGHT, BUTTON_START, BUTTON_END, TRUE); _finalize (cr, &cr_surf, &surf, PAUSE_X, PAUSE_Y); } else if(priv->current_state == TRANSPORT_STATE_PAUSED) { if (priv->has_focus && (priv->key_event == TRANSPORT_ACTION_NO_ACTION || priv->key_event == TRANSPORT_ACTION_PLAY_PAUSE)) { _setup (&cr_surf, &surf, PLAY_WIDTH+6, PLAY_HEIGHT+6); _mask_play (cr_surf, PLAY_PADDING, PLAY_PADDING, PLAY_WIDTH - (2*PLAY_PADDING), PLAY_HEIGHT - (2*PLAY_PADDING)); _fill (cr_surf, PLAY_PADDING, PLAY_PADDING, PLAY_WIDTH - (2*PLAY_PADDING), PLAY_HEIGHT - (2*PLAY_PADDING), BUTTON_SHADOW_FOCUS, BUTTON_SHADOW_FOCUS, FALSE); _surface_blur (surf, 3); _finalize_repaint (cr, &cr_surf, &surf, PAUSE_X-0.5f, PAUSE_Y + 0.5f, 3); } else { _setup (&cr_surf, &surf, PLAY_WIDTH, PLAY_HEIGHT); _mask_play (cr_surf, PLAY_PADDING, PLAY_PADDING, PLAY_WIDTH - (2*PLAY_PADDING), PLAY_HEIGHT - (2*PLAY_PADDING)); _fill (cr_surf, PLAY_PADDING, PLAY_PADDING, PLAY_WIDTH - (2*PLAY_PADDING), PLAY_HEIGHT - (2*PLAY_PADDING), BUTTON_SHADOW, BUTTON_SHADOW, FALSE); _surface_blur (surf, 1); _finalize (cr, &cr_surf, &surf, PAUSE_X-0.75f, PAUSE_Y + 1.0f); } // draw play-button _setup (&cr_surf, &surf, PLAY_WIDTH, PLAY_HEIGHT); cairo_set_line_width (cr, 10.5); cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND); cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND); _mask_play (cr_surf, PLAY_PADDING, PLAY_PADDING, PLAY_WIDTH - (2*PLAY_PADDING), PLAY_HEIGHT - (2*PLAY_PADDING)); _fill (cr_surf, PLAY_PADDING, PLAY_PADDING, PLAY_WIDTH - (2*PLAY_PADDING), PLAY_HEIGHT - (2*PLAY_PADDING), BUTTON_START, BUTTON_END, FALSE); _finalize (cr, &cr_surf, &surf, PAUSE_X-0.5f, PAUSE_Y); } #if GTK_CHECK_VERSION(3, 0, 0) else if(priv->current_state == TRANSPORT_STATE_LAUNCHING) { gtk_render_activity (spinner_style_context, cr, 106, 6 , 30, 30); } #endif return FALSE; } static void transport_widget_set_twin_item(TransportWidget* self, DbusmenuMenuitem* twin_item) { TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(self); priv->twin_item = twin_item; g_signal_connect(G_OBJECT(priv->twin_item), "property-changed", G_CALLBACK(transport_widget_property_update), self); gint initial_state = dbusmenu_menuitem_property_get_int (twin_item, DBUSMENU_TRANSPORT_MENUITEM_PLAY_STATE ); //g_debug("TRANSPORT WIDGET - INITIAL UPDATE = %i", initial_state); transport_widget_toggle_play_pause (self, (TransportState)initial_state); } /** * transport_widget_update_state() * Callback for updates from the other side of dbus **/ static void transport_widget_property_update(DbusmenuMenuitem* item, gchar* property, GVariant* value, gpointer userdata) { //g_debug("transport_widget_update_state - with property %s", property); TransportWidget* bar = (TransportWidget*)userdata; g_return_if_fail(IS_TRANSPORT_WIDGET(bar)); TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(bar); if(g_ascii_strcasecmp(DBUSMENU_TRANSPORT_MENUITEM_PLAY_STATE, property) == 0) { TransportState new_state = (TransportState)g_variant_get_int32(value); //g_debug("transport_widget_update_state - with value %i", new_state); if (new_state == TRANSPORT_STATE_LAUNCHING){ #if GTK_CHECK_VERSION(3, 0, 0) gtk_style_context_notify_state_change (spinner_style_context, gtk_widget_get_window ( GTK_WIDGET(userdata)), NULL, GTK_STATE_FLAG_ACTIVE, TRUE); gtk_style_context_set_state (spinner_style_context, GTK_STATE_FLAG_ACTIVE); #endif priv->current_state = TRANSPORT_STATE_LAUNCHING; g_debug("TransportWidget::toggle play state : %i", priv->current_state); } else{ transport_widget_toggle_play_pause(bar, new_state); } } } /** * transport_widget_new: * @returns: a new #TransportWidget. **/ GtkWidget* transport_widget_new ( DbusmenuMenuitem *item ) { GtkWidget* widget = g_object_new(TRANSPORT_WIDGET_TYPE, NULL); gtk_widget_set_app_paintable (widget, TRUE); transport_widget_set_twin_item((TransportWidget*)widget, item); return widget; }