Removed gtk+ docsHEADmaster

1 files changed, 0 insertions, 654 deletions

diff --git a/gtk+-mingw/share/gtk-3.0/demo/changedisplay.c b/gtk+-mingw/share/gtk-3.0/demo/changedisplay.c
deleted file mode 100644
index f38819d..0000000
--- a/gtk+-mingw/share/gtk-3.0/demo/changedisplay.c
+++ /dev/null
@@ -1,654 +0,0 @@
-/* Change Display
- *
- * Demonstrates migrating a window between different displays and
- * screens. A display is a mouse and keyboard with some number of
- * associated monitors. A screen is a set of monitors grouped
- * into a single physical work area. The neat thing about having
- * multiple displays is that they can be on a completely separate
- * computers, as long as there is a network connection to the
- * computer where the application is running.
- *
- * Only some of the windowing systems where GTK+ runs have the
- * concept of multiple displays and screens. (The X Window System
- * is the main example.) Other windowing systems can only
- * handle one keyboard and mouse, and combine all monitors into
- * a single screen.
- *
- * This is a moderately complex example, and demonstrates:
- *
- *  - Tracking the currently open displays and screens
- *
- *  - Changing the screen for a window
- *
- *  - Letting the user choose a window by clicking on it
- *
- *  - Using GtkListStore and GtkTreeView
- *
- *  - Using GtkDialog
- */
-#include <string.h>
-
-#undef GDK_DISABLE_DEPRECATED
-
-#include <gtk/gtk.h>
-#include "demo-common.h"
-
-/* The ChangeDisplayInfo structure corresponds to a toplevel window and
- * holds pointers to widgets inside the toplevel window along with other
- * information about the contents of the window.
- * This is a common organizational structure in real applications.
- */
-typedef struct _ChangeDisplayInfo ChangeDisplayInfo;
-
-struct _ChangeDisplayInfo
-{
-  GtkWidget *window;
-  GtkSizeGroup *size_group;
-
-  GtkTreeModel *display_model;
-  GtkTreeModel *screen_model;
-  GtkTreeSelection *screen_selection;
-
-  GdkDisplay *current_display;
-  GdkScreen *current_screen;
-};
-
-/* These enumerations provide symbolic names for the columns
- * in the two GtkListStore models.
- */
-enum
-{
-  DISPLAY_COLUMN_NAME,
-  DISPLAY_COLUMN_DISPLAY,
-  DISPLAY_NUM_COLUMNS
-};
-
-enum
-{
-  SCREEN_COLUMN_NUMBER,
-  SCREEN_COLUMN_SCREEN,
-  SCREEN_NUM_COLUMNS
-};
-
-/* Finds the toplevel window under the mouse pointer, if any.
- */
-static GtkWidget *
-find_toplevel_at_pointer (GdkDisplay *display)
-{
-  GdkWindow *pointer_window;
-  GtkWidget *widget = NULL;
-
-  pointer_window = gdk_device_get_window_at_position (gtk_get_current_event_device (),
-                                                      NULL, NULL);
-
-  /* The user data field of a GdkWindow is used to store a pointer
-   * to the widget that created it.
-   */
-  if (pointer_window)
-    {
-      gpointer widget_ptr;
-      gdk_window_get_user_data (pointer_window, &widget_ptr);
-      widget = widget_ptr;
-    }
-
-  return widget ? gtk_widget_get_toplevel (widget) : NULL;
-}
-
-static gboolean
-button_release_event_cb (GtkWidget       *widget,
-                         GdkEventButton  *event,
-                         gboolean        *clicked)
-{
-  *clicked = TRUE;
-  return TRUE;
-}
-
-/* Asks the user to click on a window, then waits for them click
- * the mouse. When the mouse is released, returns the toplevel
- * window under the pointer, or NULL, if there is none.
- */
-static GtkWidget *
-query_for_toplevel (GdkScreen  *screen,
-                    const char *prompt)
-{
-  GdkDisplay *display = gdk_screen_get_display (screen);
-  GtkWidget *popup, *label, *frame;
-  GdkCursor *cursor;
-  GtkWidget *toplevel = NULL;
-
-  popup = gtk_window_new (GTK_WINDOW_POPUP);
-  gtk_window_set_screen (GTK_WINDOW (popup), screen);
-  gtk_window_set_modal (GTK_WINDOW (popup), TRUE);
-  gtk_window_set_position (GTK_WINDOW (popup), GTK_WIN_POS_CENTER);
-
-  frame = gtk_frame_new (NULL);
-  gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
-  gtk_container_add (GTK_CONTAINER (popup), frame);
-
-  label = gtk_label_new (prompt);
-  g_object_set (label, "margin", 10, NULL);
-  gtk_container_add (GTK_CONTAINER (frame), label);
-
-  gtk_widget_show_all (popup);
-  cursor = gdk_cursor_new_for_display (display, GDK_CROSSHAIR);
-
-  if (gdk_device_grab (gtk_get_current_event_device (),
-                       gtk_widget_get_window (popup),
-                       GDK_OWNERSHIP_NONE,
-                       FALSE,
-                       GDK_BUTTON_RELEASE_MASK,
-                       cursor,
-                       GDK_CURRENT_TIME) == GDK_GRAB_SUCCESS)
-    {
-      gboolean clicked = FALSE;
-
-      g_signal_connect (popup, "button-release-event",
-                        G_CALLBACK (button_release_event_cb), &clicked);
-
-      /* Process events until clicked is set by button_release_event_cb.
-       * We pass in may_block=TRUE since we want to wait if there
-       * are no events currently.
-       */
-      while (!clicked)
-        g_main_context_iteration (NULL, TRUE);
-
-      toplevel = find_toplevel_at_pointer (gdk_screen_get_display (screen));
-      if (toplevel == popup)
-        toplevel = NULL;
-    }
-
-  g_object_unref (cursor);
-  gtk_widget_destroy (popup);
-  gdk_flush ();                 /* Really release the grab */
-
-  return toplevel;
-}
-
-/* Prompts the user for a toplevel window to move, and then moves
- * that window to the currently selected display
- */
-static void
-query_change_display (ChangeDisplayInfo *info)
-{
-  GdkScreen *screen = gtk_widget_get_screen (info->window);
-  GtkWidget *toplevel;
-
-  toplevel = query_for_toplevel (screen,
-                                 "Please select the toplevel\n"
-                                 "to move to the new screen");
-
-  if (toplevel)
-    gtk_window_set_screen (GTK_WINDOW (toplevel), info->current_screen);
-  else
-    gdk_display_beep (gdk_screen_get_display (screen));
-}
-
-/* Fills in the screen list based on the current display
- */
-static void
-fill_screens (ChangeDisplayInfo *info)
-{
-  gtk_list_store_clear (GTK_LIST_STORE (info->screen_model));
-
-  if (info->current_display)
-    {
-      gint n_screens = gdk_display_get_n_screens (info->current_display);
-      gint i;
-
-      for (i = 0; i < n_screens; i++)
-        {
-          GdkScreen *screen = gdk_display_get_screen (info->current_display, i);
-          GtkTreeIter iter;
-
-          gtk_list_store_append (GTK_LIST_STORE (info->screen_model), &iter);
-          gtk_list_store_set (GTK_LIST_STORE (info->screen_model), &iter,
-                              SCREEN_COLUMN_NUMBER, i,
-                              SCREEN_COLUMN_SCREEN, screen,
-                              -1);
-
-          if (i == 0)
-            gtk_tree_selection_select_iter (info->screen_selection, &iter);
-        }
-    }
-}
-
-/* Called when the user clicks on a button in our dialog or
- * closes the dialog through the window manager. Unless the
- * "Change" button was clicked, we destroy the dialog.
- */
-static void
-response_cb (GtkDialog         *dialog,
-             gint               response_id,
-             ChangeDisplayInfo *info)
-{
-  if (response_id == GTK_RESPONSE_OK)
-    query_change_display (info);
-  else
-    gtk_widget_destroy (GTK_WIDGET (dialog));
-}
-
-/* Called when the user clicks on "Open..." in the display
- * frame. Prompts for a new display, and then opens a connection
- * to that display.
- */
-static void
-open_display_cb (GtkWidget         *button,
-                 ChangeDisplayInfo *info)
-{
-  GtkWidget *content_area;
-  GtkWidget *dialog;
-  GtkWidget *display_entry;
-  GtkWidget *dialog_label;
-  gchar *new_screen_name = NULL;
-  GdkDisplay *result = NULL;
-
-  dialog = gtk_dialog_new_with_buttons ("Open Display",
-                                        GTK_WINDOW (info->window),
-                                        GTK_DIALOG_MODAL,
-                                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-                                        GTK_STOCK_OK, GTK_RESPONSE_OK,
-                                        NULL);
-
-  gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
-  display_entry = gtk_entry_new ();
-  gtk_entry_set_activates_default (GTK_ENTRY (display_entry), TRUE);
-  dialog_label =
-    gtk_label_new ("Please enter the name of\nthe new display\n");
-
-  content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
-
-  gtk_container_add (GTK_CONTAINER (content_area), dialog_label);
-  gtk_container_add (GTK_CONTAINER (content_area), display_entry);
-
-  gtk_widget_grab_focus (display_entry);
-  gtk_widget_show_all (gtk_bin_get_child (GTK_BIN (dialog)));
-
-  while (!result)
-    {
-      gint response_id = gtk_dialog_run (GTK_DIALOG (dialog));
-      if (response_id != GTK_RESPONSE_OK)
-        break;
-
-      new_screen_name = gtk_editable_get_chars (GTK_EDITABLE (display_entry),
-                                                0, -1);
-
-      if (strcmp (new_screen_name, "") != 0)
-        {
-          result = gdk_display_open (new_screen_name);
-          if (!result)
-            {
-              gchar *error_msg =
-                g_strdup_printf  ("Can't open display :\n\t%s\nplease try another one\n",
-                                  new_screen_name);
-              gtk_label_set_text (GTK_LABEL (dialog_label), error_msg);
-              g_free (error_msg);
-            }
-
-          g_free (new_screen_name);
-        }
-    }
-
-  gtk_widget_destroy (dialog);
-}
-
-/* Called when the user clicks on the "Close" button in the
- * "Display" frame. Closes the selected display.
- */
-static void
-close_display_cb (GtkWidget         *button,
-                  ChangeDisplayInfo *info)
-{
-  if (info->current_display)
-    gdk_display_close (info->current_display);
-}
-
-/* Called when the selected row in the display list changes.
- * Updates info->current_display, then refills the list of
- * screens.
- */
-static void
-display_changed_cb (GtkTreeSelection  *selection,
-                    ChangeDisplayInfo *info)
-{
-  GtkTreeModel *model;
-  GtkTreeIter iter;
-
-  if (info->current_display)
-    g_object_unref (info->current_display);
-  if (gtk_tree_selection_get_selected (selection, &model, &iter))
-    gtk_tree_model_get (model, &iter,
-                        DISPLAY_COLUMN_DISPLAY, &info->current_display,
-                        -1);
-  else
-    info->current_display = NULL;
-
-  fill_screens (info);
-}
-
-/* Called when the selected row in the sceen list changes.
- * Updates info->current_screen.
- */
-static void
-screen_changed_cb (GtkTreeSelection  *selection,
-                   ChangeDisplayInfo *info)
-{
-  GtkTreeModel *model;
-  GtkTreeIter iter;
-
-  if (info->current_screen)
-    g_object_unref (info->current_screen);
-  if (gtk_tree_selection_get_selected (selection, &model, &iter))
-    gtk_tree_model_get (model, &iter,
-                        SCREEN_COLUMN_SCREEN, &info->current_screen,
-                        -1);
-  else
-    info->current_screen = NULL;
-}
-
-/* This function is used both for creating the "Display" and
- * "Screen" frames, since they have a similar structure. The
- * caller hooks up the right context for the value returned
- * in tree_view, and packs any relevant buttons into button_vbox.
- */
-static void
-create_frame (ChangeDisplayInfo *info,
-              const char        *title,
-              GtkWidget        **frame,
-              GtkWidget        **tree_view,
-              GtkWidget        **button_vbox)
-{
-  GtkTreeSelection *selection;
-  GtkWidget *scrollwin;
-  GtkWidget *hbox;
-
-  *frame = gtk_frame_new (title);
-
-  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
-  gtk_container_set_border_width (GTK_CONTAINER (hbox), 8);
-  gtk_container_add (GTK_CONTAINER (*frame), hbox);
-
-  scrollwin = gtk_scrolled_window_new (NULL, NULL);
-  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrollwin),
-                                  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
-  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrollwin),
-                                       GTK_SHADOW_IN);
-  gtk_box_pack_start (GTK_BOX (hbox), scrollwin, TRUE, TRUE, 0);
-
-  *tree_view = gtk_tree_view_new ();
-  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (*tree_view), FALSE);
-  gtk_container_add (GTK_CONTAINER (scrollwin), *tree_view);
-
-  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (*tree_view));
-  gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
-
-  *button_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
-  gtk_box_pack_start (GTK_BOX (hbox), *button_vbox, FALSE, FALSE, 0);
-
-  if (!info->size_group)
-    info->size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
-
-  gtk_size_group_add_widget (GTK_SIZE_GROUP (info->size_group), *button_vbox);
-}
-
-/* If we have a stack of buttons, it often looks better if their contents
- * are left-aligned, rather than centered. This function creates a button
- * and left-aligns it contents.
- */
-GtkWidget *
-left_align_button_new (const char *label)
-{
-  GtkWidget *button = gtk_button_new_with_mnemonic (label);
-  GtkWidget *child = gtk_bin_get_child (GTK_BIN (button));
-
-  gtk_widget_set_halign (child, GTK_ALIGN_START);
-  gtk_widget_set_valign (child, GTK_ALIGN_CENTER);
-
-  return button;
-}
-
-/* Creates the "Display" frame in the main window.
- */
-GtkWidget *
-create_display_frame (ChangeDisplayInfo *info)
-{
-  GtkWidget *frame;
-  GtkWidget *tree_view;
-  GtkWidget *button_vbox;
-  GtkTreeViewColumn *column;
-  GtkTreeSelection *selection;
-  GtkWidget *button;
-
-  create_frame (info, "Display", &frame, &tree_view, &button_vbox);
-
-  button = left_align_button_new ("_Open...");
-  g_signal_connect (button, "clicked",  G_CALLBACK (open_display_cb), info);
-  gtk_box_pack_start (GTK_BOX (button_vbox), button, FALSE, FALSE, 0);
-
-  button = left_align_button_new ("_Close");
-  g_signal_connect (button, "clicked",  G_CALLBACK (close_display_cb), info);
-  gtk_box_pack_start (GTK_BOX (button_vbox), button, FALSE, FALSE, 0);
-
-  info->display_model = (GtkTreeModel *)gtk_list_store_new (DISPLAY_NUM_COLUMNS,
-                                                            G_TYPE_STRING,
-                                                            GDK_TYPE_DISPLAY);
-
-  gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), info->display_model);
-
-  column = gtk_tree_view_column_new_with_attributes ("Name",
-                                                     gtk_cell_renderer_text_new (),
-                                                     "text", DISPLAY_COLUMN_NAME,
-                                                     NULL);
-  gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
-
-  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
-  g_signal_connect (selection, "changed",
-                    G_CALLBACK (display_changed_cb), info);
-
-  return frame;
-}
-
-/* Creates the "Screen" frame in the main window.
- */
-GtkWidget *
-create_screen_frame (ChangeDisplayInfo *info)
-{
-  GtkWidget *frame;
-  GtkWidget *tree_view;
-  GtkWidget *button_vbox;
-  GtkTreeViewColumn *column;
-
-  create_frame (info, "Screen", &frame, &tree_view, &button_vbox);
-
-  info->screen_model = (GtkTreeModel *)gtk_list_store_new (SCREEN_NUM_COLUMNS,
-                                                           G_TYPE_INT,
-                                                           GDK_TYPE_SCREEN);
-
-  gtk_tree_view_set_model (GTK_TREE_VIEW (tree_view), info->screen_model);
-
-  column = gtk_tree_view_column_new_with_attributes ("Number",
-                                                     gtk_cell_renderer_text_new (),
-                                                     "text", SCREEN_COLUMN_NUMBER,
-                                                     NULL);
-  gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
-
-  info->screen_selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
-  g_signal_connect (info->screen_selection, "changed",
-                    G_CALLBACK (screen_changed_cb), info);
-
-  return frame;
-}
-
-/* Called when one of the currently open displays is closed.
- * Remove it from our list of displays.
- */
-static void
-display_closed_cb (GdkDisplay        *display,
-                   gboolean           is_error,
-                   ChangeDisplayInfo *info)
-{
-  GtkTreeIter iter;
-  gboolean valid;
-
-  for (valid = gtk_tree_model_get_iter_first (info->display_model, &iter);
-       valid;
-       valid = gtk_tree_model_iter_next (info->display_model, &iter))
-    {
-      GdkDisplay *tmp_display;
-
-      gtk_tree_model_get (info->display_model, &iter,
-                          DISPLAY_COLUMN_DISPLAY, &tmp_display,
-                          -1);
-      if (tmp_display == display)
-        {
-          gtk_list_store_remove (GTK_LIST_STORE (info->display_model), &iter);
-          break;
-        }
-    }
-}
-
-/* Adds a new display to our list of displays, and connects
- * to the "closed" signal so that we can remove it from the
- * list of displays again.
- */
-static void
-add_display (ChangeDisplayInfo *info,
-             GdkDisplay        *display)
-{
-  const gchar *name = gdk_display_get_name (display);
-  GtkTreeIter iter;
-
-  gtk_list_store_append (GTK_LIST_STORE (info->display_model), &iter);
-  gtk_list_store_set (GTK_LIST_STORE (info->display_model), &iter,
-                      DISPLAY_COLUMN_NAME, name,
-                      DISPLAY_COLUMN_DISPLAY, display,
-                      -1);
-
-  g_signal_connect (display, "closed",
-                    G_CALLBACK (display_closed_cb), info);
-}
-
-/* Called when a new display is opened
- */
-static void
-display_opened_cb (GdkDisplayManager *manager,
-                   GdkDisplay        *display,
-                   ChangeDisplayInfo *info)
-{
-  add_display (info, display);
-}
-
-/* Adds all currently open displays to our list of displays,
- * and set up a signal connection so that we'll be notified
- * when displays are opened in the future as well.
- */
-static void
-initialize_displays (ChangeDisplayInfo *info)
-{
-  GdkDisplayManager *manager = gdk_display_manager_get ();
-  GSList *displays = gdk_display_manager_list_displays (manager);
-  GSList *tmp_list;
-
-  for (tmp_list = displays; tmp_list; tmp_list = tmp_list->next)
-    add_display (info, tmp_list->data);
-
-  g_slist_free (tmp_list);
-
-  g_signal_connect (manager, "display-opened",
-                    G_CALLBACK (display_opened_cb), info);
-}
-
-/* Cleans up when the toplevel is destroyed; we remove the
- * connections we use to track currently open displays, then
- * free the ChangeDisplayInfo structure.
- */
-static void
-destroy_info (ChangeDisplayInfo *info)
-{
-  GdkDisplayManager *manager = gdk_display_manager_get ();
-  GSList *displays = gdk_display_manager_list_displays (manager);
-  GSList *tmp_list;
-
-  g_signal_handlers_disconnect_by_func (manager,
-                                        display_opened_cb,
-                                        info);
-
-  for (tmp_list = displays; tmp_list; tmp_list = tmp_list->next)
-    g_signal_handlers_disconnect_by_func (tmp_list->data,
-                                          display_closed_cb,
-                                          info);
-
-  g_slist_free (tmp_list);
-
-  g_object_unref (info->size_group);
-  g_object_unref (info->display_model);
-  g_object_unref (info->screen_model);
-
-  if (info->current_display)
-    g_object_unref (info->current_display);
-  if (info->current_screen)
-    g_object_unref (info->current_screen);
-
-  g_free (info);
-}
-
-static void
-destroy_cb (GObject            *object,
-            ChangeDisplayInfo **info)
-{
-  destroy_info (*info);
-  *info = NULL;
-}
-
-/* Main entry point. If the dialog for this demo doesn't yet exist, creates
- * it. Otherwise, destroys it.
- */
-GtkWidget *
-do_changedisplay (GtkWidget *do_widget)
-{
-  static ChangeDisplayInfo *info = NULL;
-
-  if (!info)
-    {
-      GtkWidget *content_area;
-      GtkWidget *vbox;
-      GtkWidget *frame;
-
-      info = g_new0 (ChangeDisplayInfo, 1);
-
-      info->window = gtk_dialog_new_with_buttons ("Change Screen or display",
-                                            GTK_WINDOW (do_widget),
-                                            0,
-                                            GTK_STOCK_CLOSE,  GTK_RESPONSE_CLOSE,
-                                            "Change",         GTK_RESPONSE_OK,
-                                            NULL);
-
-      gtk_window_set_default_size (GTK_WINDOW (info->window), 300, 400);
-
-      g_signal_connect (info->window, "response",
-                        G_CALLBACK (response_cb), info);
-      g_signal_connect (info->window, "destroy",
-                        G_CALLBACK (destroy_cb), &info);
-
-      content_area = gtk_dialog_get_content_area (GTK_DIALOG (info->window));
-
-      vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
-      gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
-      gtk_box_pack_start (GTK_BOX (content_area), vbox, TRUE, TRUE, 0);
-
-      frame = create_display_frame (info);
-      gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
-
-      frame = create_screen_frame (info);
-      gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0);
-
-      initialize_displays (info);
-
-      gtk_widget_show_all (info->window);
-      return info->window;
-    }
-  else
-    {
-      gtk_widget_destroy (info->window);
-      return NULL;
-    }
-}