From 73222788ef78e4adad1c9e8b73ff786280ad6296 Mon Sep 17 00:00:00 2001 From: Conor Curran Date: Thu, 30 Sep 2010 14:01:33 +0100 Subject: one big refactor --- src/transport-widget.c | 1250 ++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 1159 insertions(+), 91 deletions(-) (limited to 'src/transport-widget.c') diff --git a/src/transport-widget.c b/src/transport-widget.c index ed27a07..c0f5363 100644 --- a/src/transport-widget.c +++ b/src/transport-widget.c @@ -3,6 +3,7 @@ Copyright 2010 Canonical Ltd. Authors: Conor Curran + Mirco Müller 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 @@ -15,27 +16,78 @@ 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 #include "transport-widget.h" #include "common-defs.h" -#include -#include "play-button.h" + + +#define RECT_WIDTH 130.0f +#define Y 7.0f +#define X 37.0f +#define INNER_RADIUS 12.5 +#define MIDDLE_RADIUS 13.5f +#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 35.0f +#define PREV_Y 13.0f +#define NEXT_X 113.0f +#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 78.0f +#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 0.7 +#define MIDDLE_END_SHADE 1.4 +#define OUTER_START_SHADE 0.96 +#define OUTER_END_SHADE 0.96 +#define BUTTON_START_SHADE 1.1 +#define BUTTON_END_SHADE 0.9 +#define BUTTON_SHADOW_SHADE 0.8 +#define INNER_COMPRESSED_START_SHADE 0.95 +#define INNER_COMPRESSED_END_SHADE 1.05 + typedef struct _TransportWidgetPrivate TransportWidgetPrivate; struct _TransportWidgetPrivate { - GtkWidget* hbox; - GtkWidget* play_button; - DbusmenuMenuitem* twin_item; + TransportWidgetEvent current_command; + TransportWidgetState current_state; + GHashTable* command_coordinates; + DbusmenuMenuitem* twin_item; }; +typedef struct +{ + double r; + double g; + double b; +} CairoColorRGB; + + #define TRANSPORT_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TRANSPORT_WIDGET_TYPE, TransportWidgetPrivate)) /* Gobject boiler plate */ @@ -43,73 +95,98 @@ 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); -static void transport_widget_set_twin_item(TransportWidget* self, - DbusmenuMenuitem* twin_item); -static gboolean transport_widget_expose_event(GtkWidget* widget, - GdkEventExpose* event); +/* essentials */ +static void transport_widget_set_twin_item ( TransportWidget* self, + DbusmenuMenuitem* twin_item); +static gboolean transport_widget_expose ( GtkWidget *button, GdkEventExpose *event); +static void 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, +static gboolean transport_widget_button_release_event (GtkWidget *menuitem, GdkEventButton *event); -static void transport_widget_property_update( DbusmenuMenuitem* item, - gchar * property, - GValue * value, - gpointer userdata ); +static void transport_widget_property_update ( DbusmenuMenuitem* item, + gchar * property, + GValue * value, + gpointer userdata ); static void transport_widget_menu_hidden ( GtkWidget *menu, TransportWidget *transport); static void transport_widget_notify ( TransportWidget *item, GParamSpec *pspec, gpointer user_data ); +static TransportWidgetEvent transport_widget_determine_button_event ( TransportWidget* button, + GdkEventButton* event); +static void transport_widget_react_to_button_release ( TransportWidget* button, + TransportWidgetEvent command); +static void transport_widget_toggle_play_pause ( TransportWidget* button, + TransportWidgetState update); -G_DEFINE_TYPE (TransportWidget, transport_widget, GTK_TYPE_MENU_ITEM); +/// Init functions ////////////////////////////////////////////////////////// static void transport_widget_class_init (TransportWidgetClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); - GtkMenuItemClass *menu_item_class = GTK_MENU_ITEM_CLASS(klass); +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + GtkWidgetClass* widget_class = GTK_WIDGET_CLASS (klass); - menu_item_class->hide_on_activate = FALSE; - widget_class->button_press_event = transport_widget_button_press_event; - widget_class->button_release_event = transport_widget_button_release_event; - widget_class->expose_event = transport_widget_expose_event; 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->expose_event = transport_widget_expose; + gobject_class->dispose = transport_widget_dispose; - gobject_class->finalize = transport_widget_finalize; + gobject_class->finalize = transport_widget_finalize; } static void transport_widget_init (TransportWidget *self) { - g_debug("TransportWidget::transport_widget_init"); + TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(self); + priv->current_command = TRANSPORT_NADA; + priv->current_state = PAUSE; + 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_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); - TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(self); - GtkWidget* hbox; + g_hash_table_insert(priv->command_coordinates, + GINT_TO_POINTER(TRANSPORT_PLAY_PAUSE), + play_list); - hbox = gtk_hbox_new(TRUE, 2); + 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); - GtkStyle* style = gtk_rc_get_style(GTK_WIDGET(self)); - - priv->hbox = hbox; - priv->play_button = play_button_new(); - play_button_set_style(priv->play_button, style); + g_hash_table_insert(priv->command_coordinates, + GINT_TO_POINTER(TRANSPORT_NEXT), + next_list); - gtk_box_pack_start (GTK_BOX (priv->hbox), priv->play_button, FALSE, FALSE, 0); - - gtk_container_add (GTK_CONTAINER (self), priv->hbox); - - gtk_widget_show_all (priv->hbox); - - g_signal_connect (G_OBJECT(self), + gtk_widget_set_size_request(GTK_WIDGET(self), 200, 50); + g_signal_connect (G_OBJECT(self), "notify", G_CALLBACK (transport_widget_notify), - NULL); + NULL); } static void @@ -124,19 +201,32 @@ transport_widget_finalize (GObject *object) G_OBJECT_CLASS (transport_widget_parent_class)->finalize (object); } -static gboolean -transport_widget_expose_event(GtkWidget* widget, GdkEventExpose* event) +static gboolean +transport_widget_expose (GtkWidget *button, GdkEventExpose *event) { - return TRUE; + cairo_t *cr; + cr = gdk_cairo_create (button->window); + + g_debug("In the playbutton's expose method, x = %i, y=%i and width: %i and height: %i'"); + 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; } -static void transport_widget_set_twin_item(TransportWidget* self, - DbusmenuMenuitem* twin_item) +static void +transport_widget_toggle_play_pause(TransportWidget* button, + TransportWidgetState update) { - 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); + TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); + priv->current_state = update; + g_debug("TransportWidget::toggle play state : %i", priv->current_state); + gtk_widget_queue_draw (GTK_WIDGET(button)); } static void @@ -144,16 +234,12 @@ transport_widget_notify (TransportWidget *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); + 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); } } } @@ -162,50 +248,1029 @@ static void transport_widget_menu_hidden ( GtkWidget *menu, TransportWidget *transport) { - g_debug("Transport Widget's menu hidden method called"); + g_debug("Transport Widget's menu hidden method called"); g_return_if_fail(IS_TRANSPORT_WIDGET(transport)); - TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(transport)); - play_button_react_to_button_release(priv->play_button, TRANSPORT_NADA); + play_button_react_to_button_release(transport, TRANSPORT_NADA); } - /* keyevents */ static gboolean transport_widget_button_press_event (GtkWidget *menuitem, GdkEventButton *event) { g_return_val_if_fail(IS_TRANSPORT_WIDGET(menuitem), FALSE); - TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(menuitem)); - - PlayButtonEvent result = determine_button_event(priv->play_button, event); + TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); + TransportButtonEvent result = transport_widget_determine_button_event ( TRANSPORT_WIDGET(menuitem), + event); if(result != TRANSPORT_NADA){ - play_button_react_to_button_press(priv->play_button, result); - } + priv->current_command = result; + cairo_t *cr; + cr = gdk_cairo_create (menuitem->window); + draw (button, cr); + cairo_destroy (cr); + } return TRUE; } - static gboolean transport_widget_button_release_event (GtkWidget *menuitem, - GdkEventButton *event) + GdkEventButton *event) { - g_debug("TransportWidget::menu_release_event"); - g_return_val_if_fail(IS_TRANSPORT_WIDGET(menuitem), FALSE); - TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE(TRANSPORT_WIDGET(menuitem)); + g_debug("TransportWidget::menu_release_event"); + g_return_val_if_fail(IS_TRANSPORT_WIDGET(menuitem), FALSE); + TransportWidget* transport = TRANSPORT_WIDGET(menuitem); + TransportWidgetPrivate * priv = TRANSPORT_WIDGET_GET_PRIVATE ( transport ); + + TransportButtonEvent result = transport_widget_determine_button_event ( transport, + event ); + if(result != TRANSPORT_NADA){ + GValue value = {0}; + g_value_init(&value, G_TYPE_INT); + g_debug("TransportWidget::menu_press_event - going to send value %i", (int)result); + g_value_set_int(&value, (int)result); + dbusmenu_menuitem_handle_event ( priv->twin_item, + "Transport state change", + &value, + 0 ); + } + + transport_widget_react_to_button_release ( transport, + result ); + return TRUE; +} + +static TransportWidgetEvent +transport_widget_determine_button_event(GtkWidget* button, + GdkEventButton* event) +{ + g_debug("event x coordinate = %f", event->x); + g_debug("event y coordinate = %f", event->y); + TransportWidgetEvent button_event = TRANSPORT_NADA; + // For now very simple rectangular collision detection + if(event->x > 67 && event->x < 112 + && event->y > 12 && event->y < 40){ + button_event = TRANSPORT_PREVIOUS; + } + else if(event->x > 111 && event->x < 153 + && event->y > 5 && event->y < 47){ + button_event = TRANSPORT_PLAY_PAUSE; + } + else if(event->x > 152 && event->x < 197 + && event->y > 12 && event->y < 40){ + button_event = TRANSPORT_NEXT; + } + return button_event; +} + + +static void +transport_widget_react_to_button_release(GtkWidget* button, + TransportWidgetEvent command) +{ + g_return_if_fail(IS_TRANSPORT_WIDGET(button)); + TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); + if(priv->current_command == TRANSPORT_NADA){ + g_debug("returning from the playbutton release because my previous command was nada"); + return; + } + else if(priv->current_command != TRANSPORT_NADA && + command != TRANSPORT_NADA){ + priv->current_command = command; + } + cairo_t *cr; + cr = gdk_cairo_create (button->window); + priv->current_command = TRANSPORT_NADA; + + draw (button, cr); + cairo_destroy (cr); +} + +/// 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 + /*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); + cairo_close_path (cr); - PlayButtonEvent result = determine_button_event(priv->play_button, event); +} - if(result != TRANSPORT_NADA){ - GValue value = {0}; - g_value_init(&value, G_TYPE_INT); - g_debug("TransportWidget::menu_press_event - going to send value %i", (int)result); - g_value_set_int(&value, (int)result); - dbusmenu_menuitem_handle_event (priv->twin_item, "Transport state change", &value, 0); +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 +_color_rgb_to_hls (gdouble *r, + gdouble *g, + gdouble *b) +{ + gdouble min; + gdouble max; + gdouble red; + gdouble green; + gdouble blue; + gdouble h, l, 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; } - play_button_react_to_button_release(priv->play_button, result); + 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; + } +} + +static 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 void +draw (GtkWidget* button, cairo_t *cr) +{ + g_return_if_fail(IS_TRANSPORT_WIDGET(button)); + TransportWidgetPrivate* priv = TRANSPORT_WIDGET_GET_PRIVATE(button); + + cairo_surface_t* surf = NULL; + cairo_t* cr_surf = NULL; + + cairo_translate (cr, button->allocation.x, button->allocation.y); - return TRUE; + g_debug("button x allocation = %i", button->allocation.x); + g_debug("button y allocation = %i", button->allocation.y); + + GtkStyle *style; + + CairoColorRGB bg_normal, fg_normal; + CairoColorRGB color_inner[2], color_middle[2], color_outer[2], color_button[3], color_inner_compressed[2]; + + style = gtk_widget_get_style (button); + + bg_normal.r = style->bg[0].red/65535.0; + bg_normal.g = style->bg[0].green/65535.0; + bg_normal.b = style->bg[0].blue/65535.0; + + fg_normal.r = style->fg[0].red/65535.0; + fg_normal.g = style->fg[0].green/65535.0; + fg_normal.b = style->fg[0].blue/65535.0; + + _color_shade (&bg_normal, INNER_START_SHADE, &color_inner[0]); + _color_shade (&bg_normal, INNER_END_SHADE, &color_inner[1]); + _color_shade (&bg_normal, MIDDLE_START_SHADE, &color_middle[0]); + _color_shade (&bg_normal, MIDDLE_END_SHADE, &color_middle[1]); + _color_shade (&bg_normal, OUTER_START_SHADE, &color_outer[0]); + _color_shade (&bg_normal, OUTER_END_SHADE, &color_outer[1]); + _color_shade (&fg_normal, BUTTON_START_SHADE, &color_button[0]); + _color_shade (&fg_normal, BUTTON_END_SHADE, &color_button[1]); + _color_shade (&bg_normal, BUTTON_SHADOW_SHADE, &color_button[2]); + _color_shade (&bg_normal, INNER_COMPRESSED_START_SHADE, &color_inner_compressed[0]); + _color_shade (&bg_normal, 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 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 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 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}; + + // prev/next-background + 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); + + if(priv->current_command == TRANSPORT_PREVIOUS){ + draw_gradient (cr, + X, + Y + 2, + RECT_WIDTH/2, + INNER_RADIUS, + INNER_COMPRESSED_START, + INNER_COMPRESSED_END); + } + else if(priv->current_command == TRANSPORT_NEXT){ + draw_gradient (cr, + RECT_WIDTH / 2 + X, + Y + 2, + (RECT_WIDTH - 7)/2, + INNER_RADIUS, + INNER_COMPRESSED_START, + INNER_COMPRESSED_END); + } + + // play/pause-background + draw_circle (cr, + X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f, + Y - ((CIRCLE_RADIUS - OUTER_RADIUS)), + CIRCLE_RADIUS, + OUTER_START, + OUTER_END); + draw_circle (cr, + X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 0.5f, + Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 0.5f, + CIRCLE_RADIUS - 0.75f, + MIDDLE_START, + MIDDLE_END); + + if(priv->current_command == TRANSPORT_PLAY_PAUSE){ + draw_circle (cr, + X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.5f, + Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.5f, + CIRCLE_RADIUS - 1.5f, + INNER_COMPRESSED_START, + INNER_COMPRESSED_END); + } + else{ + draw_circle (cr, + X + RECT_WIDTH / 2.0f - 2.0f * OUTER_RADIUS - 5.5f + 1.5f, + Y - ((CIRCLE_RADIUS - OUTER_RADIUS)) + 1.5f, + CIRCLE_RADIUS - 1.5f, + MIDDLE_START, + MIDDLE_END); + } + // draw previous-button drop-shadow + _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 + _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 == PLAY){ + _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 == PAUSE){ + _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); + } +} + +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); } /** @@ -216,7 +1281,7 @@ static void transport_widget_property_update(DbusmenuMenuitem* item, gchar* property, GValue* value, gpointer userdata) { - g_debug("transport_widget_update_state - with property %s", property); + g_debug("transport_widget_update_state - with property %s", property); TransportWidget* bar = (TransportWidget*)userdata; g_return_if_fail(IS_TRANSPORT_WIDGET(bar)); @@ -225,19 +1290,22 @@ transport_widget_property_update(DbusmenuMenuitem* item, gchar* property, TransportWidgetPrivate *priv = TRANSPORT_WIDGET_GET_PRIVATE(bar); int update_value = g_value_get_int(value); g_debug("transport_widget_update_state - with value %i", update_value); - play_button_toggle_play_pause(priv->play_button, (PlayButtonState)update_value); + transport_widget_toggle_play_pause(bar, + (TransportWidgetState)update_value); } } + + /** -* transport_new: +* transport_widget_new: * @returns: a new #TransportWidget. **/ GtkWidget* -transport_widget_new(DbusmenuMenuitem *item) -{ - GtkWidget* widget = g_object_new(TRANSPORT_WIDGET_TYPE, NULL); - transport_widget_set_twin_item((TransportWidget*)widget, item); +transport_widget_new() +{ + GtkWidget* widget = g_object_new(TRANSPORT_WIDGET_TYPE, NULL); + gtk_widget_set_app_paintable (widget, TRUE); return widget; } -- cgit v1.2.3