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-rw-r--r--app/widgets/gimpview-popup.c243
1 files changed, 243 insertions, 0 deletions
diff --git a/app/widgets/gimpview-popup.c b/app/widgets/gimpview-popup.c
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+++ b/app/widgets/gimpview-popup.c
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+/* 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 20:26:21 +0000