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Diffstat (limited to 'mate-volume-control/src/gvc-level-bar.c')
-rw-r--r--mate-volume-control/src/gvc-level-bar.c876
1 files changed, 0 insertions, 876 deletions
diff --git a/mate-volume-control/src/gvc-level-bar.c b/mate-volume-control/src/gvc-level-bar.c
deleted file mode 100644
index 0f3dc1b..0000000
--- a/mate-volume-control/src/gvc-level-bar.c
+++ /dev/null
@@ -1,876 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
- *
- * Copyright (C) 2008 William Jon McCann <[email protected]>
- * Copyright (C) 2014 Michal Ratajsky <[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 of the License, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-// XXX on gtk3 the last two squares don't get filled
-
-#include <math.h>
-#include <glib.h>
-#include <glib/gi18n.h>
-#include <glib-object.h>
-#include <gtk/gtk.h>
-
-#include "gvc-level-bar.h"
-#include "mvc-helpers.h"
-
-#define GVC_LEVEL_BAR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_LEVEL_BAR, GvcLevelBarPrivate))
-
-#define NUM_BOXES 15
-#define MIN_HORIZONTAL_BAR_WIDTH 150
-#define HORIZONTAL_BAR_HEIGHT 6
-#define VERTICAL_BAR_WIDTH 6
-#define MIN_VERTICAL_BAR_HEIGHT 400
-
-typedef struct {
- int peak_num;
- int max_peak_num;
- GdkRectangle area;
- int delta;
- int box_width;
- int box_height;
- int box_radius;
-#if GTK_CHECK_VERSION (3, 0, 0)
- GdkRGBA color_bg;
- GdkRGBA color_fg;
- GdkRGBA color_dark;
-#else
- GdkColor color_bg;
- GdkColor color_fg;
- GdkColor color_dark;
-#endif
-} LevelBarLayout;
-
-struct _GvcLevelBarPrivate
-{
- GtkOrientation orientation;
- GtkAdjustment *peak_adjustment;
- GtkAdjustment *rms_adjustment;
- GvcLevelScale scale;
- gdouble peak_fraction;
- gdouble rms_fraction;
- gdouble max_peak;
- guint max_peak_id;
- LevelBarLayout layout;
-};
-
-enum
-{
- PROP_0,
- PROP_PEAK_ADJUSTMENT,
- PROP_RMS_ADJUSTMENT,
- PROP_SCALE,
- PROP_ORIENTATION,
- N_PROPERTIES
-};
-
-static GParamSpec *properties[N_PROPERTIES] = { NULL, };
-
-static void gvc_level_bar_class_init (GvcLevelBarClass *klass);
-static void gvc_level_bar_init (GvcLevelBar *bar);
-static void gvc_level_bar_finalize (GObject *object);
-
-G_DEFINE_TYPE (GvcLevelBar, gvc_level_bar, GTK_TYPE_WIDGET)
-
-static gboolean
-layout_changed (LevelBarLayout *layout1, LevelBarLayout *layout2)
-{
- if (layout1->area.x != layout2->area.x)
- return TRUE;
- if (layout1->area.y != layout2->area.y)
- return TRUE;
- if (layout1->area.width != layout2->area.width)
- return TRUE;
- if (layout1->area.height != layout2->area.height)
- return TRUE;
-
- if (layout1->delta != layout2->delta)
- return TRUE;
- if (layout1->peak_num != layout2->peak_num)
- return TRUE;
- if (layout1->max_peak_num != layout2->max_peak_num)
- return TRUE;
-
-#if GTK_CHECK_VERSION (3, 0, 0)
- if (!gdk_rgba_equal (&layout1->color_fg, &layout2->color_fg))
- return TRUE;
- if (!gdk_rgba_equal (&layout1->color_bg, &layout2->color_bg))
- return TRUE;
- if (!gdk_rgba_equal (&layout1->color_dark, &layout2->color_dark))
- return TRUE;
-#else
- if (!gdk_color_equal (&layout1->color_fg, &layout2->color_fg))
- return TRUE;
- if (!gdk_color_equal (&layout1->color_bg, &layout2->color_bg))
- return TRUE;
- if (!gdk_color_equal (&layout1->color_dark, &layout2->color_dark))
- return TRUE;
-#endif
- return FALSE;
-}
-
-static gdouble
-fraction_from_adjustment (GvcLevelBar *bar,
- GtkAdjustment *adjustment)
-{
- gdouble level;
- gdouble fraction = 0.0;
- gdouble min;
- gdouble max;
-
- level = gtk_adjustment_get_value (adjustment);
- min = gtk_adjustment_get_lower (adjustment);
- max = gtk_adjustment_get_upper (adjustment);
-
- switch (bar->priv->scale) {
- case GVC_LEVEL_SCALE_LINEAR:
- fraction = (level - min) / (max - min);
- break;
- case GVC_LEVEL_SCALE_LOG:
- fraction = log10 ((level - min + 1) / (max - min + 1));
- break;
- }
-
- return fraction;
-}
-
-static gboolean
-reset_max_peak (GvcLevelBar *bar)
-{
- bar->priv->max_peak = gtk_adjustment_get_lower (bar->priv->peak_adjustment);
-
- bar->priv->layout.max_peak_num = 0;
-
- gtk_widget_queue_draw (GTK_WIDGET (bar));
-
- bar->priv->max_peak_id = 0;
- return FALSE;
-}
-
-static void
-bar_calc_layout (GvcLevelBar *bar)
-{
- int peak_level;
- int max_peak_level;
- GtkAllocation allocation;
-
-#if GTK_CHECK_VERSION (3, 0, 0)
- GtkStyleContext *context;
-
- context = gtk_widget_get_style_context (GTK_WIDGET (bar));
-
- gtk_style_context_get_background_color (context,
- GTK_STATE_FLAG_NORMAL,
- &bar->priv->layout.color_bg);
- gtk_style_context_get_background_color (context,
- GTK_STATE_FLAG_SELECTED,
- &bar->priv->layout.color_fg);
- gtk_style_context_get_color (context,
- GTK_STATE_FLAG_NORMAL,
- &bar->priv->layout.color_dark);
-
- mvc_color_shade (&bar->priv->layout.color_dark,
- &bar->priv->layout.color_dark,
- 0.7);
-#else
- GtkStyle *style;
-
- style = gtk_widget_get_style (GTK_WIDGET (bar));
-
- bar->priv->layout.color_bg = style->bg[GTK_STATE_NORMAL];
- bar->priv->layout.color_fg = style->bg[GTK_STATE_SELECTED];
- bar->priv->layout.color_dark = style->dark[GTK_STATE_NORMAL];
-#endif
-
- gtk_widget_get_allocation (GTK_WIDGET (bar), &allocation);
-
- bar->priv->layout.area.width = allocation.width - 2;
- bar->priv->layout.area.height = allocation.height - 2;
-
- if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) {
- peak_level = bar->priv->peak_fraction * bar->priv->layout.area.height;
- max_peak_level = bar->priv->max_peak * bar->priv->layout.area.height;
-
- bar->priv->layout.delta = bar->priv->layout.area.height / NUM_BOXES;
- bar->priv->layout.area.x = 0;
- bar->priv->layout.area.y = 0;
- bar->priv->layout.box_height = bar->priv->layout.delta / 2;
- bar->priv->layout.box_width = bar->priv->layout.area.width;
- bar->priv->layout.box_radius = bar->priv->layout.box_width / 2;
- } else {
- peak_level = bar->priv->peak_fraction * bar->priv->layout.area.width;
- max_peak_level = bar->priv->max_peak * bar->priv->layout.area.width;
-
- bar->priv->layout.delta = bar->priv->layout.area.width / NUM_BOXES;
- bar->priv->layout.area.x = 0;
- bar->priv->layout.area.y = 0;
- bar->priv->layout.box_width = bar->priv->layout.delta / 2;
- bar->priv->layout.box_height = bar->priv->layout.area.height;
- bar->priv->layout.box_radius = bar->priv->layout.box_height / 2;
- }
-
- bar->priv->layout.peak_num = peak_level / bar->priv->layout.delta;
- bar->priv->layout.max_peak_num = max_peak_level / bar->priv->layout.delta;
-}
-
-static void
-update_peak_value (GvcLevelBar *bar)
-{
- gdouble value;
- LevelBarLayout layout;
-
- value = fraction_from_adjustment (bar, bar->priv->peak_adjustment);
-
- bar->priv->peak_fraction = value;
-
- if (value > bar->priv->max_peak) {
- if (bar->priv->max_peak_id > 0)
- g_source_remove (bar->priv->max_peak_id);
-
- bar->priv->max_peak_id =
- g_timeout_add_seconds (1, (GSourceFunc) reset_max_peak, bar);
- bar->priv->max_peak = value;
- }
-
- layout = bar->priv->layout;
-
- bar_calc_layout (bar);
-
- if (layout_changed (&bar->priv->layout, &layout))
- gtk_widget_queue_draw (GTK_WIDGET (bar));
-}
-
-static void
-update_rms_value (GvcLevelBar *bar)
-{
- bar->priv->rms_fraction = fraction_from_adjustment (bar, bar->priv->rms_adjustment);
-}
-
-GtkOrientation
-gvc_level_bar_get_orientation (GvcLevelBar *bar)
-{
- g_return_val_if_fail (GVC_IS_LEVEL_BAR (bar), 0);
-
- return bar->priv->orientation;
-}
-
-void
-gvc_level_bar_set_orientation (GvcLevelBar *bar,
- GtkOrientation orientation)
-{
- g_return_if_fail (GVC_IS_LEVEL_BAR (bar));
-
- if (orientation != bar->priv->orientation) {
- if (G_UNLIKELY (orientation != GTK_ORIENTATION_VERTICAL &&
- orientation != GTK_ORIENTATION_HORIZONTAL)) {
- g_warn_if_reached ();
- return;
- }
-
- bar->priv->orientation = orientation;
-
- gtk_widget_queue_draw (GTK_WIDGET (bar));
-
- g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_ORIENTATION]);
- }
-}
-
-static void
-on_peak_adjustment_value_changed (GtkAdjustment *adjustment,
- GvcLevelBar *bar)
-{
- update_peak_value (bar);
-}
-
-static void
-on_rms_adjustment_value_changed (GtkAdjustment *adjustment,
- GvcLevelBar *bar)
-{
- update_rms_value (bar);
-}
-
-void
-gvc_level_bar_set_peak_adjustment (GvcLevelBar *bar,
- GtkAdjustment *adjustment)
-{
- g_return_if_fail (GVC_LEVEL_BAR (bar));
- g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
-
- if (bar->priv->peak_adjustment != NULL) {
- g_signal_handlers_disconnect_by_func (G_OBJECT (bar->priv->peak_adjustment),
- G_CALLBACK (on_peak_adjustment_value_changed),
- bar);
- g_object_unref (bar->priv->peak_adjustment);
- }
-
- bar->priv->peak_adjustment = g_object_ref_sink (adjustment);
-
- g_signal_connect (G_OBJECT (bar->priv->peak_adjustment),
- "value-changed",
- G_CALLBACK (on_peak_adjustment_value_changed),
- bar);
-
- update_peak_value (bar);
-
- g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_PEAK_ADJUSTMENT]);
-}
-
-void
-gvc_level_bar_set_rms_adjustment (GvcLevelBar *bar,
- GtkAdjustment *adjustment)
-{
- g_return_if_fail (GVC_LEVEL_BAR (bar));
- g_return_if_fail (GTK_IS_ADJUSTMENT (adjustment));
-
- if (bar->priv->rms_adjustment != NULL) {
- g_signal_handlers_disconnect_by_func (G_OBJECT (bar->priv->rms_adjustment),
- G_CALLBACK (on_rms_adjustment_value_changed),
- bar);
- g_object_unref (bar->priv->rms_adjustment);
- }
-
- bar->priv->rms_adjustment = g_object_ref_sink (adjustment);
-
- g_signal_connect (G_OBJECT (bar->priv->rms_adjustment),
- "value-changed",
- G_CALLBACK (on_rms_adjustment_value_changed),
- bar);
-
- update_rms_value (bar);
-
- g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_RMS_ADJUSTMENT]);
-}
-
-GtkAdjustment *
-gvc_level_bar_get_peak_adjustment (GvcLevelBar *bar)
-{
- g_return_val_if_fail (GVC_IS_LEVEL_BAR (bar), NULL);
-
- return bar->priv->peak_adjustment;
-}
-
-GtkAdjustment *
-gvc_level_bar_get_rms_adjustment (GvcLevelBar *bar)
-{
- g_return_val_if_fail (GVC_IS_LEVEL_BAR (bar), NULL);
-
- return bar->priv->rms_adjustment;
-}
-
-void
-gvc_level_bar_set_scale (GvcLevelBar *bar, GvcLevelScale scale)
-{
- g_return_if_fail (GVC_IS_LEVEL_BAR (bar));
-
- if (scale != bar->priv->scale) {
- if (G_UNLIKELY (scale != GVC_LEVEL_SCALE_LINEAR &&
- scale != GVC_LEVEL_SCALE_LOG)) {
- g_warn_if_reached ();
- return;
- }
- bar->priv->scale = scale;
-
- update_peak_value (bar);
- update_rms_value (bar);
-
- g_object_notify_by_pspec (G_OBJECT (bar), properties[PROP_SCALE]);
- }
-}
-
-static void
-gvc_level_bar_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GvcLevelBar *self = GVC_LEVEL_BAR (object);
-
- switch (prop_id) {
- case PROP_SCALE:
- gvc_level_bar_set_scale (self, g_value_get_int (value));
- break;
- case PROP_ORIENTATION:
- gvc_level_bar_set_orientation (self, g_value_get_enum (value));
- break;
- case PROP_PEAK_ADJUSTMENT:
- gvc_level_bar_set_peak_adjustment (self, g_value_get_object (value));
- break;
- case PROP_RMS_ADJUSTMENT:
- gvc_level_bar_set_rms_adjustment (self, g_value_get_object (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gvc_level_bar_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GvcLevelBar *self = GVC_LEVEL_BAR (object);
-
- switch (prop_id) {
- case PROP_SCALE:
- g_value_set_int (value, self->priv->scale);
- break;
- case PROP_ORIENTATION:
- g_value_set_enum (value, self->priv->orientation);
- break;
- case PROP_PEAK_ADJUSTMENT:
- g_value_set_object (value, self->priv->peak_adjustment);
- break;
- case PROP_RMS_ADJUSTMENT:
- g_value_set_object (value, self->priv->rms_adjustment);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gvc_level_bar_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
-{
- GvcLevelBar *bar;
-
- g_return_if_fail (GVC_IS_LEVEL_BAR (widget));
- g_return_if_fail (requisition != NULL);
-
- bar = GVC_LEVEL_BAR (widget);
-
- switch (bar->priv->orientation) {
- case GTK_ORIENTATION_VERTICAL:
- requisition->width = VERTICAL_BAR_WIDTH;
- requisition->height = MIN_VERTICAL_BAR_HEIGHT;
- break;
- case GTK_ORIENTATION_HORIZONTAL:
- requisition->width = MIN_HORIZONTAL_BAR_WIDTH;
- requisition->height = HORIZONTAL_BAR_HEIGHT;
- break;
- }
-}
-
-#if GTK_CHECK_VERSION (3, 0, 0)
-static void
-gvc_level_bar_get_preferred_width (GtkWidget *widget,
- gint *minimum,
- gint *natural)
-{
- GtkRequisition requisition;
-
- gvc_level_bar_size_request (widget, &requisition);
-
- if (minimum != NULL)
- *minimum = requisition.width;
- if (natural != NULL)
- *natural = requisition.width;
-}
-
-static void
-gvc_level_bar_get_preferred_height (GtkWidget *widget,
- gint *minimum,
- gint *natural)
-{
- GtkRequisition requisition;
-
- gvc_level_bar_size_request (widget, &requisition);
-
- if (minimum != NULL)
- *minimum = requisition.height;
- if (natural != NULL)
- *natural = requisition.height;
-}
-#endif
-
-static void
-gvc_level_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
-{
- GvcLevelBar *bar;
-
- bar = GVC_LEVEL_BAR (widget);
-
- /* FIXME: add height property, labels, etc */
- GTK_WIDGET_CLASS (gvc_level_bar_parent_class)->size_allocate (widget, allocation);
-
- gtk_widget_set_allocation (widget, allocation);
- gtk_widget_get_allocation (widget, allocation);
-
- if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) {
- allocation->height = MIN (allocation->height, MIN_VERTICAL_BAR_HEIGHT);
- allocation->width = MAX (allocation->width, VERTICAL_BAR_WIDTH);
- } else {
- allocation->width = MIN (allocation->width, MIN_HORIZONTAL_BAR_WIDTH);
- allocation->height = MAX (allocation->height, HORIZONTAL_BAR_HEIGHT);
- }
-
- bar_calc_layout (bar);
-}
-
-static void
-curved_rectangle (cairo_t *cr,
- double x0,
- double y0,
- double width,
- double height,
- double radius)
-{
- double x1;
- double y1;
-
- x1 = x0 + width;
- y1 = y0 + height;
-
- if (!width || !height)
- return;
-
- if (width / 2 < radius) {
- if (height / 2 < radius) {
- cairo_move_to (cr, x0, (y0 + y1) / 2);
- cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1) / 2, y0);
- cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1) / 2);
- cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0) / 2, y1);
- cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1) / 2);
- } else {
- cairo_move_to (cr, x0, y0 + radius);
- cairo_curve_to (cr, x0, y0, x0, y0, (x0 + x1) / 2, y0);
- cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius);
- cairo_line_to (cr, x1, y1 - radius);
- cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0) / 2, y1);
- cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - radius);
- }
- } else {
- if (height / 2 < radius) {
- cairo_move_to (cr, x0, (y0 + y1) / 2);
- cairo_curve_to (cr, x0, y0, x0 , y0, x0 + radius, y0);
- cairo_line_to (cr, x1 - radius, y0);
- cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1) / 2);
- cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1);
- cairo_line_to (cr, x0 + radius, y1);
- cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1) / 2);
- } else {
- cairo_move_to (cr, x0, y0 + radius);
- cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0);
- cairo_line_to (cr, x1 - radius, y0);
- cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius);
- cairo_line_to (cr, x1, y1 - radius);
- cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1);
- cairo_line_to (cr, x0 + radius, y1);
- cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - radius);
- }
- }
-
- cairo_close_path (cr);
-}
-
-static int
-gvc_level_bar_draw (GtkWidget *widget, cairo_t *cr)
-{
- GvcLevelBar *bar;
-
- bar = GVC_LEVEL_BAR (widget);
-
- cairo_save (cr);
-
- if (bar->priv->orientation == GTK_ORIENTATION_VERTICAL) {
- int i;
- int by;
-
- for (i = 0; i < NUM_BOXES; i++) {
- by = i * bar->priv->layout.delta;
- curved_rectangle (cr,
- bar->priv->layout.area.x + 0.5,
- by + 0.5,
- bar->priv->layout.box_width - 1,
- bar->priv->layout.box_height - 1,
- bar->priv->layout.box_radius);
- if ((bar->priv->layout.max_peak_num - 1) == i) {
- /* fill peak foreground */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_fg);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_fg);
-#endif
- cairo_fill_preserve (cr);
- } else if ((bar->priv->layout.peak_num - 1) >= i) {
- /* fill background */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_bg);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_bg);
-#endif
- cairo_fill_preserve (cr);
-
- /* fill foreground */
-#if GTK_CHECK_VERSION (3, 0, 0)
- cairo_set_source_rgba (cr,
- bar->priv->layout.color_fg.red,
- bar->priv->layout.color_fg.green,
- bar->priv->layout.color_fg.blue,
- 0.5);
-#else
- cairo_set_source_rgba (cr,
- bar->priv->layout.color_fg.red / 65535.0,
- bar->priv->layout.color_fg.green / 65535.0,
- bar->priv->layout.color_fg.blue / 65535.0,
- 0.5);
-#endif
- cairo_fill_preserve (cr);
- } else {
- /* fill background */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_bg);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_bg);
-#endif
- cairo_fill_preserve (cr);
- }
-
- /* stroke border */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_dark);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_dark);
-#endif
- cairo_set_line_width (cr, 1);
- cairo_stroke (cr);
- }
- } else {
- int i;
- int bx;
-
- if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) {
- GtkAllocation allocation;
-
- gtk_widget_get_allocation (widget, &allocation);
-
- cairo_scale (cr, -1, 1);
- cairo_translate (cr, -allocation.width, 0);
- }
-
- for (i = 0; i < NUM_BOXES; i++) {
- bx = i * bar->priv->layout.delta;
- curved_rectangle (cr,
- bx + 0.5,
- bar->priv->layout.area.y + 0.5,
- bar->priv->layout.box_width - 1,
- bar->priv->layout.box_height - 1,
- bar->priv->layout.box_radius);
-
- if ((bar->priv->layout.max_peak_num - 1) == i) {
- /* fill peak foreground */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_fg);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_fg);
-#endif
- cairo_fill_preserve (cr);
- } else if ((bar->priv->layout.peak_num - 1) >= i) {
- /* fill background */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_bg);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_bg);
-#endif
- cairo_fill_preserve (cr);
-
- /* fill foreground */
-#if GTK_CHECK_VERSION (3, 0, 0)
- cairo_set_source_rgba (cr,
- bar->priv->layout.color_fg.red,
- bar->priv->layout.color_fg.green,
- bar->priv->layout.color_fg.blue,
- 0.5);
-#else
- cairo_set_source_rgba (cr,
- bar->priv->layout.color_fg.red / 65535.0,
- bar->priv->layout.color_fg.green / 65535.0,
- bar->priv->layout.color_fg.blue / 65535.0,
- 0.5);
-#endif
- cairo_fill_preserve (cr);
- } else {
- /* fill background */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_bg);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_bg);
-#endif
- cairo_fill_preserve (cr);
- }
-
- /* stroke border */
-#if GTK_CHECK_VERSION (3, 0, 0)
- gdk_cairo_set_source_rgba (cr, &bar->priv->layout.color_dark);
-#else
- gdk_cairo_set_source_color (cr, &bar->priv->layout.color_dark);
-#endif
- cairo_set_line_width (cr, 1);
- cairo_stroke (cr);
- }
- }
-
- cairo_restore (cr);
-
- return FALSE;
-}
-
-#if !GTK_CHECK_VERSION (3, 0, 0)
-static int
-gvc_level_bar_expose (GtkWidget *widget, GdkEventExpose *event)
-{
- cairo_t *cr;
- GtkAllocation allocation;
-
- g_return_val_if_fail (event != NULL, FALSE);
-
- /* Event queue compression */
- if (event->count > 0)
- return FALSE;
-
- gtk_widget_get_allocation (widget, &allocation);
-
- cr = gdk_cairo_create (gtk_widget_get_window (widget));
- cairo_translate (cr,
- allocation.x,
- allocation.y);
-
- gvc_level_bar_draw (widget, cr);
-
- cairo_destroy (cr);
- return FALSE;
-}
-#endif
-
-static void
-gvc_level_bar_class_init (GvcLevelBarClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
-
- object_class->finalize = gvc_level_bar_finalize;
- object_class->set_property = gvc_level_bar_set_property;
- object_class->get_property = gvc_level_bar_get_property;
-
-#if GTK_CHECK_VERSION (3, 0, 0)
- widget_class->draw = gvc_level_bar_draw;
- widget_class->get_preferred_width = gvc_level_bar_get_preferred_width;
- widget_class->get_preferred_height = gvc_level_bar_get_preferred_height;
-#else
- widget_class->expose_event = gvc_level_bar_expose;
- widget_class->size_request = gvc_level_bar_size_request;
-#endif
- widget_class->size_allocate = gvc_level_bar_size_allocate;
-
- properties[PROP_ORIENTATION] =
- g_param_spec_enum ("orientation",
- "Orientation",
- "The orientation of the bar",
- GTK_TYPE_ORIENTATION,
- GTK_ORIENTATION_HORIZONTAL,
- G_PARAM_READWRITE |
- G_PARAM_STATIC_STRINGS);
-
- properties[PROP_PEAK_ADJUSTMENT] =
- g_param_spec_object ("peak-adjustment",
- "Peak Adjustment",
- "The GtkAdjustment that contains the current peak value",
- GTK_TYPE_ADJUSTMENT,
- G_PARAM_READWRITE |
- G_PARAM_STATIC_STRINGS);
-
- properties[PROP_RMS_ADJUSTMENT] =
- g_param_spec_object ("rms-adjustment",
- "RMS Adjustment",
- "The GtkAdjustment that contains the current rms value",
- GTK_TYPE_ADJUSTMENT,
- G_PARAM_READWRITE |
- G_PARAM_STATIC_STRINGS);
-
- properties[PROP_SCALE] =
- g_param_spec_int ("scale",
- "Scale",
- "Scale",
- 0,
- G_MAXINT,
- GVC_LEVEL_SCALE_LINEAR,
- G_PARAM_READWRITE |
- G_PARAM_CONSTRUCT |
- G_PARAM_STATIC_STRINGS);
-
- g_object_class_install_properties (object_class, N_PROPERTIES, properties);
-
- g_type_class_add_private (klass, sizeof (GvcLevelBarPrivate));
-}
-
-static void
-gvc_level_bar_init (GvcLevelBar *bar)
-{
- bar->priv = GVC_LEVEL_BAR_GET_PRIVATE (bar);
-
- bar->priv->peak_adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,
- 0.0,
- 1.0,
- 0.05,
- 0.1,
- 0.1));
- g_object_ref_sink (bar->priv->peak_adjustment);
-
- g_signal_connect (bar->priv->peak_adjustment,
- "value-changed",
- G_CALLBACK (on_peak_adjustment_value_changed),
- bar);
-
- bar->priv->rms_adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (0.0,
- 0.0,
- 1.0,
- 0.05,
- 0.1,
- 0.1));
- g_object_ref_sink (bar->priv->rms_adjustment);
-
- g_signal_connect (bar->priv->rms_adjustment,
- "value-changed",
- G_CALLBACK (on_rms_adjustment_value_changed),
- bar);
-
- gtk_widget_set_has_window (GTK_WIDGET (bar), FALSE);
-}
-
-static void
-gvc_level_bar_finalize (GObject *object)
-{
- GvcLevelBar *bar;
-
- bar = GVC_LEVEL_BAR (object);
-
- if (bar->priv->max_peak_id > 0)
- g_source_remove (bar->priv->max_peak_id);
-
- G_OBJECT_CLASS (gvc_level_bar_parent_class)->finalize (object);
-}
-
-GtkWidget *
-gvc_level_bar_new (void)
-{
- return g_object_new (GVC_TYPE_LEVEL_BAR, NULL);
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-12 12:27:25 +0000