Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 505 insertions, 0 deletions

diff --git a/libgimp/gimpui.c b/libgimp/gimpui.c
new file mode 100644
index 0000000..04c316a
--- /dev/null
+++ b/libgimp/gimpui.c
@@ -0,0 +1,505 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#ifdef GDK_DISABLE_DEPRECATED
+#undef GDK_DISABLE_DEPRECATED
+#endif
+#include <gtk/gtk.h>
+
+#ifdef GDK_WINDOWING_WIN32
+#include <gdk/gdkwin32.h>
+#endif
+
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#ifdef GDK_WINDOWING_QUARTZ
+#include <Cocoa/Cocoa.h>
+#endif
+
+#include "gimp.h"
+#include "gimpui.h"
+
+#include "libgimpmodule/gimpmodule.h"
+
+#include "libgimpwidgets/gimpwidgets.h"
+#include "libgimpwidgets/gimpwidgets-private.h"
+
+
+/**
+ * SECTION: gimpui
+ * @title: gimpui
+ * @short_description: Common user interface functions. This header includes
+ *                     all other GIMP User Interface Library headers.
+ * @see_also: gtk_init(), gdk_set_use_xshm(), gdk_rgb_get_visual(),
+ *            gdk_rgb_get_cmap(), gtk_widget_set_default_visual(),
+ *            gtk_widget_set_default_colormap(), gtk_preview_set_gamma().
+ *
+ * Common user interface functions. This header includes all other
+ * GIMP User Interface Library headers.
+ **/
+
+
+/*  local function prototypes  */
+
+static void      gimp_ui_help_func              (const gchar   *help_id,
+                                                 gpointer       help_data);
+static void      gimp_ensure_modules            (void);
+static void      gimp_window_transient_realized (GtkWidget     *window,
+                                                 GdkWindow     *parent);
+static gboolean  gimp_window_set_transient_for  (GtkWindow     *window,
+                                                 GdkWindow     *parent);
+
+static void      gimp_ui_theme_changed          (void);
+static void      gimp_ui_fix_pixbuf_style       (void);
+static void      gimp_ui_draw_pixbuf_layout     (GtkStyle      *style,
+                                                 GdkWindow     *window,
+                                                 GtkStateType   state_type,
+                                                 gboolean       use_text,
+                                                 GdkRectangle  *area,
+                                                 GtkWidget     *widget,
+                                                 const gchar   *detail,
+                                                 gint           x,
+                                                 gint           y,
+                                                 PangoLayout   *layout);
+#ifdef GDK_WINDOWING_QUARTZ
+static gboolean  gimp_osx_focus_window          (gpointer);
+#endif
+
+static gboolean gimp_ui_initialized = FALSE;
+
+
+/*  public functions  */
+
+/**
+ * gimp_ui_init:
+ * @prog_name: The name of the plug-in which will be passed as argv[0] to
+ *             gtk_init(). It's a convention to use the name of the
+ *             executable and _not_ the PDB procedure name.
+ * @preview:   This parameter is unused and exists for historical
+ *             reasons only.
+ *
+ * This function initializes GTK+ with gtk_init() and initializes GDK's
+ * image rendering subsystem (GdkRGB) to follow the GIMP main program's
+ * colormap allocation/installation policy.
+ *
+ * It also sets up various other things so that the plug-in user looks
+ * and behaves like the GIMP core. This includes selecting the GTK+
+ * theme and setting up the help system as chosen in the GIMP
+ * preferences. Any plug-in that provides a user interface should call
+ * this function.
+ **/
+void
+gimp_ui_init (const gchar *prog_name,
+              gboolean     preview)
+{
+  GdkScreen    *screen;
+  const gchar  *display_name;
+  gchar        *themerc;
+  GFileMonitor *rc_monitor;
+  GFile        *file;
+
+  g_return_if_fail (prog_name != NULL);
+
+  if (gimp_ui_initialized)
+    return;
+
+  g_set_prgname (prog_name);
+
+  display_name = gimp_display_name ();
+
+  if (display_name)
+    {
+#if defined (GDK_WINDOWING_X11)
+      g_setenv ("DISPLAY", display_name, TRUE);
+#else
+      g_setenv ("GDK_DISPLAY", display_name, TRUE);
+#endif
+    }
+
+  if (gimp_user_time ())
+    {
+      /* Construct a fake startup ID as we only want to pass the
+       * interaction timestamp, see _gdk_windowing_set_default_display().
+       */
+      gchar *startup_id = g_strdup_printf ("_TIME%u", gimp_user_time ());
+
+      g_setenv ("DESKTOP_STARTUP_ID", startup_id, TRUE);
+      g_free (startup_id);
+    }
+
+  gtk_init (NULL, NULL);
+
+  themerc = gimp_personal_rc_file ("themerc");
+  gtk_rc_parse (themerc);
+
+  file = g_file_new_for_path (themerc);
+  g_free (themerc);
+
+  rc_monitor = g_file_monitor (file, G_FILE_MONITOR_NONE, NULL, NULL);
+  g_object_unref (file);
+
+  g_signal_connect (rc_monitor, "changed",
+                    G_CALLBACK (gimp_ui_theme_changed),
+                    NULL);
+
+  gdk_set_program_class (gimp_wm_class ());
+
+  screen = gdk_screen_get_default ();
+  gtk_widget_set_default_colormap (gdk_screen_get_rgb_colormap (screen));
+
+  if (gimp_icon_theme_dir ())
+    {
+      file = g_file_new_for_path (gimp_icon_theme_dir ());
+      gimp_icons_set_icon_theme (file);
+      g_object_unref (file);
+    }
+
+  gimp_widgets_init (gimp_ui_help_func,
+                     gimp_context_get_foreground,
+                     gimp_context_get_background,
+                     gimp_ensure_modules);
+
+  if (! gimp_show_tool_tips ())
+    gimp_help_disable_tooltips ();
+
+  gimp_dialogs_show_help_button (gimp_show_help_button ());
+
+#ifdef GDK_WINDOWING_QUARTZ
+  g_idle_add (gimp_osx_focus_window, NULL);
+#endif
+
+  gimp_ui_fix_pixbuf_style ();
+  gimp_ui_initialized = TRUE;
+}
+
+static GdkWindow *
+gimp_ui_get_foreign_window (guint32 window)
+{
+#ifdef GDK_WINDOWING_X11
+  return gdk_x11_window_foreign_new_for_display (gdk_display_get_default (),
+                                                 window);
+#endif
+
+#ifdef GDK_WINDOWING_WIN32
+  return gdk_win32_window_foreign_new_for_display (gdk_display_get_default (),
+                                                   (HWND) (uintptr_t) window);
+#endif
+
+  return NULL;
+}
+
+/**
+ * gimp_ui_get_display_window:
+ * @gdisp_ID: a GimpDisplay ID.
+ *
+ * Returns the #GdkWindow of a display window. The purpose is to allow
+ * to make plug-in dialogs transient to the image display as explained
+ * with gdk_window_set_transient_for().
+ *
+ * You shouldn't have to call this function directly. Use
+ * gimp_window_set_transient_for_display() instead.
+ *
+ * Return value: A reference to a #GdkWindow or %NULL. You should
+ *               unref the window using g_object_unref() as soon as
+ *               you don't need it any longer.
+ *
+ * Since: 2.4
+ */
+GdkWindow *
+gimp_ui_get_display_window (guint32 gdisp_ID)
+{
+  guint32 window;
+
+  g_return_val_if_fail (gimp_ui_initialized, NULL);
+
+  window = gimp_display_get_window_handle (gdisp_ID);
+  if (window)
+    return gimp_ui_get_foreign_window (window);
+
+  return NULL;
+}
+
+/**
+ * gimp_ui_get_progress_window:
+ *
+ * Returns the #GdkWindow of the window this plug-in's progress bar is
+ * shown in. Use it to make plug-in dialogs transient to this window
+ * as explained with gdk_window_set_transient_for().
+ *
+ * You shouldn't have to call this function directly. Use
+ * gimp_window_set_transient() instead.
+ *
+ * Return value: A reference to a #GdkWindow or %NULL. You should
+ *               unref the window using g_object_unref() as soon as
+ *               you don't need it any longer.
+ *
+ * Since: 2.4
+ */
+GdkWindow *
+gimp_ui_get_progress_window (void)
+{
+  guint32  window;
+
+  g_return_val_if_fail (gimp_ui_initialized, NULL);
+
+  window = gimp_progress_get_window_handle ();
+  if (window)
+     return gimp_ui_get_foreign_window (window);
+
+  return NULL;
+}
+
+#ifdef GDK_WINDOWING_QUARTZ
+static void
+gimp_window_transient_show (GtkWidget *window)
+{
+  g_signal_handlers_disconnect_by_func (window,
+                                        gimp_window_transient_show,
+                                        NULL);
+  [NSApp arrangeInFront: nil];
+}
+#endif
+
+/**
+ * gimp_window_set_transient_for_display:
+ * @window:   the #GtkWindow that should become transient
+ * @gdisp_ID: display ID of the image window that should become the parent
+ *
+ * Indicates to the window manager that @window is a transient dialog
+ * associated with the GIMP image window that is identified by it's
+ * display ID.  See gdk_window_set_transient_for () for more information.
+ *
+ * Most of the time you will want to use the convenience function
+ * gimp_window_set_transient().
+ *
+ * Since: 2.4
+ */
+void
+gimp_window_set_transient_for_display (GtkWindow *window,
+                                       guint32    gdisp_ID)
+{
+  g_return_if_fail (gimp_ui_initialized);
+  g_return_if_fail (GTK_IS_WINDOW (window));
+
+  if (! gimp_window_set_transient_for (window,
+                                       gimp_ui_get_display_window (gdisp_ID)))
+    {
+      /*  if setting the window transient failed, at least set
+       *  WIN_POS_CENTER, which will center the window on the screen
+       *  where the mouse is (see bug #684003).
+       */
+      gtk_window_set_position (window, GTK_WIN_POS_CENTER);
+
+#ifdef GDK_WINDOWING_QUARTZ
+      g_signal_connect (window, "show",
+                        G_CALLBACK (gimp_window_transient_show),
+                        NULL);
+#endif
+    }
+}
+
+/**
+ * gimp_window_set_transient:
+ * @window: the #GtkWindow that should become transient
+ *
+ * Indicates to the window manager that @window is a transient dialog
+ * associated with the GIMP window that the plug-in has been
+ * started from. See also gimp_window_set_transient_for_display().
+ *
+ * Since: 2.4
+ */
+void
+gimp_window_set_transient (GtkWindow *window)
+{
+  g_return_if_fail (gimp_ui_initialized);
+  g_return_if_fail (GTK_IS_WINDOW (window));
+
+  if (! gimp_window_set_transient_for (window, gimp_ui_get_progress_window ()))
+    {
+      /*  see above  */
+      gtk_window_set_position (window, GTK_WIN_POS_CENTER);
+
+#ifdef GDK_WINDOWING_QUARTZ
+      g_signal_connect (window, "show",
+                        G_CALLBACK (gimp_window_transient_show),
+                        NULL);
+#endif
+    }
+}
+
+
+/*  private functions  */
+
+static void
+gimp_ui_help_func (const gchar *help_id,
+                   gpointer     help_data)
+{
+  gimp_help (NULL, help_id);
+}
+
+static void
+gimp_ensure_modules (void)
+{
+  static GimpModuleDB *module_db = NULL;
+
+  if (! module_db)
+    {
+      gchar *load_inhibit = gimp_get_module_load_inhibit ();
+      gchar *module_path  = gimp_gimprc_query ("module-path");
+
+      module_db = gimp_module_db_new (FALSE);
+
+      gimp_module_db_set_load_inhibit (module_db, load_inhibit);
+      gimp_module_db_load (module_db, module_path);
+
+      g_free (module_path);
+      g_free (load_inhibit);
+    }
+}
+
+static void
+gimp_window_transient_realized (GtkWidget *window,
+                                GdkWindow *parent)
+{
+  if (gtk_widget_get_realized (window))
+    gdk_window_set_transient_for (gtk_widget_get_window (window), parent);
+}
+
+static gboolean
+gimp_window_set_transient_for (GtkWindow *window,
+                               GdkWindow *parent)
+{
+  gtk_window_set_transient_for (window, NULL);
+
+#ifndef GDK_WINDOWING_WIN32
+  g_signal_handlers_disconnect_matched (window, G_SIGNAL_MATCH_FUNC,
+                                        0, 0, NULL,
+                                        gimp_window_transient_realized,
+                                        NULL);
+
+  if (! parent)
+    return FALSE;
+
+  if (gtk_widget_get_realized (GTK_WIDGET (window)))
+    gdk_window_set_transient_for (gtk_widget_get_window (GTK_WIDGET (window)),
+                                  parent);
+
+  g_signal_connect_object (window, "realize",
+                           G_CALLBACK (gimp_window_transient_realized),
+                           parent, 0);
+  g_object_unref (parent);
+
+  return TRUE;
+#endif
+
+  return FALSE;
+}
+
+static void
+gimp_ui_theme_changed (void)
+{
+  gtk_rc_reparse_all ();
+
+  gimp_ui_fix_pixbuf_style ();
+}
+
+static void
+gimp_ui_fix_pixbuf_style (void)
+{
+  /*  Same hack as in app/gui/themes.c, to be removed for GTK+ 3.x  */
+
+  static GtkStyleClass *pixbuf_style_class = NULL;
+
+  if (! pixbuf_style_class)
+    {
+      GType type = g_type_from_name ("PixbufStyle");
+
+      if (type)
+        {
+          pixbuf_style_class = g_type_class_ref (type);
+
+          if (pixbuf_style_class)
+            pixbuf_style_class->draw_layout = gimp_ui_draw_pixbuf_layout;
+        }
+    }
+}
+
+static void
+gimp_ui_draw_pixbuf_layout (GtkStyle      *style,
+                            GdkWindow     *window,
+                            GtkStateType   state_type,
+                            gboolean       use_text,
+                            GdkRectangle  *area,
+                            GtkWidget     *widget,
+                            const gchar   *detail,
+                            gint           x,
+                            gint           y,
+                            PangoLayout   *layout)
+{
+  GdkGC *gc;
+
+  gc = use_text ? style->text_gc[state_type] : style->fg_gc[state_type];
+
+  if (area)
+    gdk_gc_set_clip_rectangle (gc, area);
+
+  if (state_type == GTK_STATE_INSENSITIVE)
+    {
+      GdkGC       *copy = gdk_gc_new (window);
+      GdkGCValues  orig;
+      GdkColor     fore;
+      guint16      r, g, b;
+
+      gdk_gc_copy (copy, gc);
+      gdk_gc_get_values (gc, &orig);
+
+      r = 0x40 + (((orig.foreground.pixel >> 16) & 0xff) >> 1);
+      g = 0x40 + (((orig.foreground.pixel >>  8) & 0xff) >> 1);
+      b = 0x40 + (((orig.foreground.pixel >>  0) & 0xff) >> 1);
+
+      fore.pixel = (r << 16) | (g << 8) | b;
+      fore.red   = r * 257;
+      fore.green = g * 257;
+      fore.blue  = b * 257;
+
+      gdk_gc_set_foreground (copy, &fore);
+      gdk_draw_layout (window, copy, x, y, layout);
+
+      g_object_unref (copy);
+    }
+  else
+    {
+      gdk_draw_layout (window, gc, x, y, layout);
+    }
+
+  if (area)
+    gdk_gc_set_clip_rectangle (gc, NULL);
+}
+
+#ifdef GDK_WINDOWING_QUARTZ
+static gboolean
+gimp_osx_focus_window (gpointer user_data)
+{
+  [NSApp activateIgnoringOtherApps:YES];
+  return FALSE;
+}
+#endif