Adding upstream version 1:43.6.upstream/1%43.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 429 insertions, 0 deletions

diff --git a/panels/wacom/calibrator/calibrator-gui.c b/panels/wacom/calibrator/calibrator-gui.c
new file mode 100644
index 0000000..2d5d7ec
--- /dev/null
+++ b/panels/wacom/calibrator/calibrator-gui.c
@@ -0,0 +1,429 @@
+/*
+ * Copyright © 2013 Red Hat, Inc.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Carlos Garnacho <carlosg@gnome.org>
+ *         (based on previous work by Joaquim Rocha, Tias Guns and Soren Hauberg)
+ */
+
+#include "config.h"
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <glib/gi18n.h>
+#include <gdk/x11/gdkx.h>
+#include <gtk/gtk.h>
+
+#include "calibrator.h"
+#include "calibrator-gui.h"
+#include "cc-clock.h"
+
+struct _CcCalibArea
+{
+  GtkWindow parent_instance;
+
+  struct Calib calibrator;
+  XYinfo       axis;
+  gboolean     swap;
+  gboolean     success;
+  GdkDevice   *device;
+
+  GtkWidget  *error_revealer;
+  GtkWidget  *title_revealer;
+  GtkWidget  *subtitle_revealer;
+  GtkWidget  *clock;
+  GtkWidget  *target1, *target2, *target3, *target4;
+  GtkWidget  *stack;
+  GtkWidget  *success_page;
+  GtkCssProvider *style_provider;
+
+  FinishCallback callback;
+  gpointer       user_data;
+};
+
+G_DEFINE_TYPE (CcCalibArea, cc_calib_area, GTK_TYPE_WINDOW)
+
+/* Timeout parameters */
+#define MAX_TIME                15000 /* 15000 = 15 sec */
+#define END_TIME                750   /*  750 = 0.75 sec */
+
+static void
+cc_calib_area_notify_finish (CcCalibArea *area)
+{
+  gtk_widget_hide (GTK_WIDGET (area));
+
+  (*area->callback) (area, area->user_data);
+}
+
+static gboolean
+on_close_request (GtkWidget   *widget,
+                  CcCalibArea *area)
+{
+  cc_calib_area_notify_finish (area);
+  return GDK_EVENT_PROPAGATE;
+}
+
+static gboolean
+cc_calib_area_finish_idle_cb (CcCalibArea *area)
+{
+  cc_calib_area_notify_finish (area);
+  return FALSE;
+}
+
+static void
+set_success (CcCalibArea *area)
+{
+  gtk_stack_set_visible_child (GTK_STACK (area->stack), area->success_page);
+}
+
+static void
+set_calibration_status (CcCalibArea *area)
+{
+  area->success = finish (&area->calibrator, &area->axis, &area->swap);
+
+  if (area->success)
+    {
+      set_success (area);
+      g_timeout_add (END_TIME,
+                     (GSourceFunc) cc_calib_area_finish_idle_cb,
+                     area);
+    }
+  else
+    {
+      g_idle_add ((GSourceFunc) cc_calib_area_finish_idle_cb, area);
+    }
+}
+
+static void
+show_error_message (CcCalibArea *area)
+{
+  gtk_revealer_set_reveal_child (GTK_REVEALER (area->error_revealer), TRUE);
+}
+
+static void
+hide_error_message (CcCalibArea *area)
+{
+  gtk_revealer_set_reveal_child (GTK_REVEALER (area->error_revealer), FALSE);
+}
+
+static void
+set_active_target (CcCalibArea *area,
+                   int          n_target)
+{
+  GtkWidget *targets[] = {
+    area->target1,
+    area->target2,
+    area->target3,
+    area->target4,
+  };
+  int i;
+
+  for (i = 0; i < G_N_ELEMENTS (targets); i++)
+    gtk_widget_set_sensitive (targets[i], i == n_target);
+}
+
+static void
+on_gesture_press (GtkGestureClick *gesture,
+                  guint            n_press,
+                  gdouble          x,
+                  gdouble          y,
+                  CcCalibArea     *area)
+{
+  gint num_clicks;
+  gboolean success;
+  GdkDevice *source;
+
+  if (area->success)
+    return;
+
+  source = gtk_gesture_get_device (GTK_GESTURE (gesture));
+
+  if (gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN)
+    return;
+
+  /* Check matching device if a device was provided */
+  if (area->device && area->device != source)
+    {
+      g_debug ("Ignoring input from device %s",
+	       gdk_device_get_name (source));
+      return;
+    }
+
+  /* Handle click */
+  /* FIXME: reset clock */
+  success = add_click(&area->calibrator,
+                      (int) x,
+                      (int) y);
+
+  num_clicks = area->calibrator.num_clicks;
+
+  if (!success && num_clicks == 0)
+    show_error_message (area);
+  else
+    hide_error_message (area);
+
+  /* Are we done yet? */
+  if (num_clicks >= 4)
+    {
+      set_calibration_status (area);
+      return;
+    }
+
+  set_active_target (area, num_clicks);
+}
+
+static gboolean
+on_key_release (GtkEventControllerKey *controller,
+		guint                  keyval,
+		guint                  keycode,
+		GdkModifierType        state,
+		CcCalibArea           *area)
+{
+  if (area->success || keyval != GDK_KEY_Escape)
+    return GDK_EVENT_PROPAGATE;
+
+  cc_calib_area_notify_finish (area);
+  return GDK_EVENT_STOP;
+}
+
+static void
+on_clock_finished (CcClock     *clock,
+                   CcCalibArea *area)
+{
+  set_calibration_status (area);
+}
+
+static void
+on_title_revealed (CcCalibArea *area)
+{
+  gtk_revealer_set_reveal_child (GTK_REVEALER (area->subtitle_revealer), TRUE);
+}
+
+static void
+on_fullscreen (GtkWindow    *window,
+               GParamSpec   *pspec,
+               CcCalibArea  *area)
+{
+  if (!gtk_window_is_fullscreen (window))
+    return;
+
+  g_signal_connect_swapped (area->title_revealer,
+                            "notify::child-revealed",
+                            G_CALLBACK (on_title_revealed),
+                            area);
+  gtk_revealer_set_reveal_child (GTK_REVEALER (area->title_revealer), TRUE);
+
+  set_active_target (area, 0);
+}
+
+static void
+cc_calib_area_finalize (GObject *object)
+{
+  CcCalibArea *area = CC_CALIB_AREA (object);
+
+  gtk_style_context_remove_provider_for_display (gtk_widget_get_display (GTK_WIDGET (area)),
+                                                 GTK_STYLE_PROVIDER (area->style_provider));
+
+  G_OBJECT_CLASS (cc_calib_area_parent_class)->finalize (object);
+}
+
+static void
+cc_calib_area_size_allocate (GtkWidget *widget,
+                             int        width,
+                             int        height,
+                             int        baseline)
+{
+  CcCalibArea *calib_area = CC_CALIB_AREA (widget);
+
+  if (calib_area->calibrator.geometry.width != width ||
+      calib_area->calibrator.geometry.height != height)
+    {
+      calib_area->calibrator.geometry.width = width;
+      calib_area->calibrator.geometry.height = height;
+
+      /* reset calibration if already started */
+      reset (&calib_area->calibrator);
+      set_active_target (calib_area, 0);
+    }
+
+  GTK_WIDGET_CLASS (cc_calib_area_parent_class)->size_allocate (widget,
+                                                                width,
+                                                                height,
+                                                                baseline);
+}
+
+static void
+cc_calib_area_class_init (CcCalibAreaClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  object_class->finalize = cc_calib_area_finalize;
+
+  widget_class->size_allocate = cc_calib_area_size_allocate;
+
+  g_type_ensure (CC_TYPE_CLOCK);
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/wacom/calibrator/calibrator.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, error_revealer);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, title_revealer);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, subtitle_revealer);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, clock);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, target1);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, target2);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, target3);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, target4);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, stack);
+  gtk_widget_class_bind_template_child (widget_class, CcCalibArea, success_page);
+}
+
+static void
+cc_calib_area_init (CcCalibArea *calib_area)
+{
+  GtkGesture *click;
+  GtkEventController *key;
+
+  gtk_widget_init_template (GTK_WIDGET (calib_area));
+
+  calib_area->style_provider = gtk_css_provider_new ();
+  gtk_css_provider_load_from_resource (calib_area->style_provider, "/org/gnome/control-center/wacom/calibrator/calibrator.css");
+  gtk_style_context_add_provider_for_display (gtk_widget_get_display (GTK_WIDGET (calib_area)),
+                                              GTK_STYLE_PROVIDER (calib_area->style_provider),
+                                              GTK_STYLE_PROVIDER_PRIORITY_USER);
+
+  cc_clock_set_duration (CC_CLOCK (calib_area->clock), MAX_TIME);
+  g_signal_connect (calib_area->clock, "finished",
+                    G_CALLBACK (on_clock_finished), calib_area);
+
+#ifndef FAKE_AREA
+  /* No cursor */
+  gtk_widget_realize (GTK_WIDGET (calib_area));
+  gtk_widget_set_cursor_from_name (GTK_WIDGET (calib_area), "blank");
+
+  gtk_widget_set_can_focus (GTK_WIDGET (calib_area), TRUE);
+#endif /* FAKE_AREA */
+
+  g_signal_connect (calib_area,
+                    "close-request",
+                    G_CALLBACK (on_close_request),
+                    calib_area);
+  g_signal_connect (calib_area,
+                    "notify::fullscreened",
+                    G_CALLBACK (on_fullscreen),
+                    calib_area);
+
+  click = gtk_gesture_click_new ();
+  gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (click), GDK_BUTTON_PRIMARY);
+  g_signal_connect (click, "pressed",
+                    G_CALLBACK (on_gesture_press), calib_area);
+  gtk_widget_add_controller (GTK_WIDGET (calib_area),
+                             GTK_EVENT_CONTROLLER (click));
+
+  key = gtk_event_controller_key_new ();
+  g_signal_connect (key, "key-released",
+                    G_CALLBACK (on_key_release), calib_area);
+  gtk_widget_add_controller (GTK_WIDGET (calib_area), key);
+}
+
+/**
+ * Creates the windows and other objects required to do calibration
+ * under GTK. When the window is closed (timed out, calibration finished
+ * or user cancellation), callback will be called, where you should call
+ * cc_calib_area_finish().
+ */
+CcCalibArea *
+cc_calib_area_new (GdkDisplay     *display,
+                   GdkMonitor     *monitor,
+                   GdkDevice      *device,
+                   FinishCallback  callback,
+                   gpointer        user_data,
+                   int             threshold_doubleclick,
+                   int             threshold_misclick)
+{
+  CcCalibArea *calib_area;
+
+  g_return_val_if_fail (callback, NULL);
+
+  calib_area = g_object_new (CC_TYPE_CALIB_AREA, NULL);
+  calib_area->callback = callback;
+  calib_area->user_data = user_data;
+  calib_area->device = device;
+  calib_area->calibrator.threshold_doubleclick = threshold_doubleclick;
+  calib_area->calibrator.threshold_misclick = threshold_misclick;
+
+  /* Move to correct screen */
+  if (monitor)
+    gtk_window_fullscreen_on_monitor (GTK_WINDOW (calib_area), monitor);
+  else
+    gtk_window_fullscreen (GTK_WINDOW (calib_area));
+
+  gtk_widget_show (GTK_WIDGET (calib_area));
+
+  return calib_area;
+}
+
+/* Finishes the calibration. Note that CalibArea
+ * needs to be destroyed with Cccalib_area_free() afterwards */
+gboolean
+cc_calib_area_finish (CcCalibArea *area)
+{
+  g_return_val_if_fail (area != NULL, FALSE);
+
+  if (area->success)
+    g_debug ("Final calibration: %f, %f, %f, %f\n",
+             area->axis.x_min,
+             area->axis.y_min,
+             area->axis.x_max,
+             area->axis.y_max);
+  else
+    g_debug ("Calibration was aborted or timed out");
+
+  return area->success;
+}
+
+void
+cc_calib_area_free (CcCalibArea *area)
+{
+  gtk_window_destroy (GTK_WINDOW (area));
+}
+
+void
+cc_calib_area_get_axis (CcCalibArea *area,
+                        XYinfo      *new_axis,
+                        gboolean    *swap_xy)
+{
+  g_return_if_fail (area != NULL);
+
+  *new_axis = area->axis;
+  *swap_xy  = area->swap;
+}
+
+void
+cc_calib_area_get_padding (CcCalibArea *area,
+                           XYinfo      *padding)
+{
+  g_return_if_fail (area != NULL);
+
+  /* min/max values are monitor coordinates scaled to be between
+   * 0 and 1, padding starts at 0 on "the edge", and positive
+   * values grow towards the center of the rectangle.
+   */
+  padding->x_min = area->axis.x_min;
+  padding->y_min = area->axis.y_min;
+  padding->x_max = 1 - area->axis.x_max;
+  padding->y_max = 1 - area->axis.y_max;
+}