Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 243 insertions, 0 deletions

diff --git a/app/widgets/gimpview-popup.c b/app/widgets/gimpview-popup.c
new file mode 100644
index 0000000..4a52355
--- /dev/null
+++ b/app/widgets/gimpview-popup.c
@@ -0,0 +1,243 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpview-popup.c
+ * Copyright (C) 2003-2006 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 3 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpviewable.h"
+
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+#include "gimpview-popup.h"
+
+
+#define VIEW_POPUP_DELAY 150
+
+
+typedef struct _GimpViewPopup GimpViewPopup;
+
+struct _GimpViewPopup
+{
+  GtkWidget    *widget;
+  GimpContext  *context;
+  GimpViewable *viewable;
+
+  gint          popup_width;
+  gint          popup_height;
+  gboolean      dot_for_dot;
+  gint          button;
+  gint          button_x;
+  gint          button_y;
+
+  guint         timeout_id;
+  GtkWidget    *popup;
+};
+
+
+/*  local function prototypes  */
+
+static void       gimp_view_popup_hide           (GimpViewPopup  *popup);
+static gboolean   gimp_view_popup_button_release (GtkWidget      *widget,
+                                                  GdkEventButton *bevent,
+                                                  GimpViewPopup  *popup);
+static void       gimp_view_popup_unmap          (GtkWidget      *widget,
+                                                  GimpViewPopup  *popup);
+static void       gimp_view_popup_drag_begin     (GtkWidget      *widget,
+                                                  GdkDragContext *context,
+                                                  GimpViewPopup  *popup);
+static gboolean   gimp_view_popup_timeout        (GimpViewPopup  *popup);
+
+
+/*  public functions  */
+
+gboolean
+gimp_view_popup_show (GtkWidget      *widget,
+                      GdkEventButton *bevent,
+                      GimpContext    *context,
+                      GimpViewable   *viewable,
+                      gint            view_width,
+                      gint            view_height,
+                      gboolean        dot_for_dot)
+{
+  GimpViewPopup *popup;
+  gint           popup_width;
+  gint           popup_height;
+
+  g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
+  g_return_val_if_fail (bevent != NULL, FALSE);
+  g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), FALSE);
+  g_return_val_if_fail (GIMP_IS_VIEWABLE (viewable), FALSE);
+
+  if (! gimp_viewable_get_popup_size (viewable,
+                                      view_width,
+                                      view_height,
+                                      dot_for_dot,
+                                      &popup_width,
+                                      &popup_height))
+    return FALSE;
+
+  popup = g_slice_new0 (GimpViewPopup);
+
+  popup->widget       = widget;
+  popup->context      = context;
+  popup->viewable     = viewable;
+  popup->popup_width  = popup_width;
+  popup->popup_height = popup_height;
+  popup->dot_for_dot  = dot_for_dot;
+  popup->button       = bevent->button;
+  popup->button_x     = bevent->x_root;
+  popup->button_y     = bevent->y_root;
+
+  g_signal_connect (widget, "button-release-event",
+                    G_CALLBACK (gimp_view_popup_button_release),
+                    popup);
+  g_signal_connect (widget, "unmap",
+                    G_CALLBACK (gimp_view_popup_unmap),
+                    popup);
+  g_signal_connect (widget, "drag-begin",
+                    G_CALLBACK (gimp_view_popup_drag_begin),
+                    popup);
+
+  popup->timeout_id = g_timeout_add (VIEW_POPUP_DELAY,
+                                     (GSourceFunc) gimp_view_popup_timeout,
+                                     popup);
+
+  g_object_set_data_full (G_OBJECT (widget), "gimp-view-popup", popup,
+                          (GDestroyNotify) gimp_view_popup_hide);
+
+  gtk_grab_add (widget);
+
+  return TRUE;
+}
+
+
+/*  private functions  */
+
+static void
+gimp_view_popup_hide (GimpViewPopup *popup)
+{
+  if (popup->timeout_id)
+    g_source_remove (popup->timeout_id);
+
+  if (popup->popup)
+    gtk_widget_destroy (popup->popup);
+
+  g_signal_handlers_disconnect_by_func (popup->widget,
+                                        gimp_view_popup_button_release,
+                                        popup);
+  g_signal_handlers_disconnect_by_func (popup->widget,
+                                        gimp_view_popup_unmap,
+                                        popup);
+  g_signal_handlers_disconnect_by_func (popup->widget,
+                                        gimp_view_popup_drag_begin,
+                                        popup);
+
+  gtk_grab_remove (popup->widget);
+
+  g_slice_free (GimpViewPopup, popup);
+}
+
+static gboolean
+gimp_view_popup_button_release (GtkWidget      *widget,
+                                GdkEventButton *bevent,
+                                GimpViewPopup  *popup)
+{
+  if (bevent->button == popup->button)
+    g_object_set_data (G_OBJECT (popup->widget), "gimp-view-popup", NULL);
+
+  return FALSE;
+}
+
+static void
+gimp_view_popup_unmap (GtkWidget     *widget,
+                       GimpViewPopup *popup)
+{
+  g_object_set_data (G_OBJECT (popup->widget), "gimp-view-popup", NULL);
+}
+
+static void
+gimp_view_popup_drag_begin (GtkWidget      *widget,
+                            GdkDragContext *context,
+                            GimpViewPopup  *popup)
+{
+  g_object_set_data (G_OBJECT (popup->widget), "gimp-view-popup", NULL);
+}
+
+static gboolean
+gimp_view_popup_timeout (GimpViewPopup *popup)
+{
+  GtkWidget    *window;
+  GtkWidget    *frame;
+  GtkWidget    *view;
+  GdkScreen    *screen;
+  GdkRectangle  rect;
+  gint          monitor;
+  gint          x;
+  gint          y;
+
+  popup->timeout_id = 0;
+
+  screen = gtk_widget_get_screen (popup->widget);
+
+  window = gtk_window_new (GTK_WINDOW_POPUP);
+  gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
+
+  gtk_window_set_screen (GTK_WINDOW (window), screen);
+  gtk_window_set_transient_for (GTK_WINDOW (window),
+                                GTK_WINDOW (gtk_widget_get_toplevel (popup->widget)));
+
+  frame = gtk_frame_new (NULL);
+  gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
+  gtk_container_add (GTK_CONTAINER (window), frame);
+  gtk_widget_show (frame);
+
+  view = gimp_view_new_full (popup->context,
+                             popup->viewable,
+                             popup->popup_width,
+                             popup->popup_height,
+                             0, TRUE, FALSE, FALSE);
+  gimp_view_renderer_set_dot_for_dot (GIMP_VIEW (view)->renderer,
+                                      popup->dot_for_dot);
+  gtk_container_add (GTK_CONTAINER (frame), view);
+  gtk_widget_show (view);
+
+  x = popup->button_x - (popup->popup_width  / 2);
+  y = popup->button_y - (popup->popup_height / 2);
+
+  monitor = gdk_screen_get_monitor_at_point (screen, x, y);
+  gdk_screen_get_monitor_workarea (screen, monitor, &rect);
+
+  x = CLAMP (x, rect.x, rect.x + rect.width  - popup->popup_width);
+  y = CLAMP (y, rect.y, rect.y + rect.height - popup->popup_height);
+
+  gtk_window_move (GTK_WINDOW (window), x, y);
+  gtk_widget_show (window);
+
+  popup->popup = window;
+
+  return FALSE;
+}