moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 217 insertions, 0 deletions

diff --git a/src/ui/resizepopup.c b/src/ui/resizepopup.c
new file mode 100644
index 00000000..67f39505
--- /dev/null
+++ b/src/ui/resizepopup.c
@@ -0,0 +1,217 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco resizing-terminal-window feedback */
+
+/* 
+ * Copyright (C) 2001 Havoc Pennington
+ * 
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include <config.h>
+#include "resizepopup.h"
+#include "util.h"
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+struct _MetaResizePopup
+{
+  GtkWidget *size_window;
+  GtkWidget *size_label;
+  Display *display;
+  int screen_number;  
+
+  int vertical_size;
+  int horizontal_size;
+  
+  gboolean showing;
+  
+  MetaRectangle rect;
+};
+
+MetaResizePopup*
+meta_ui_resize_popup_new (Display *display,
+                          int      screen_number)
+{
+  MetaResizePopup *popup;
+
+  popup = g_new0 (MetaResizePopup, 1);
+
+  popup->display = display;
+  popup->screen_number = screen_number;
+  
+  return popup;
+}
+
+void
+meta_ui_resize_popup_free (MetaResizePopup *popup)
+{
+  g_return_if_fail (popup != NULL);
+  
+  if (popup->size_window)
+    gtk_widget_destroy (popup->size_window);
+  
+  g_free (popup);
+}
+
+static void
+ensure_size_window (MetaResizePopup *popup)
+{
+  GtkWidget *frame;
+  
+  if (popup->size_window)
+    return;
+  
+  popup->size_window = gtk_window_new (GTK_WINDOW_POPUP);
+
+  gtk_window_set_screen (GTK_WINDOW (popup->size_window),
+			 gdk_display_get_screen (gdk_x11_lookup_xdisplay (popup->display),
+						 popup->screen_number));
+  
+  /* never shrink the size window */
+  gtk_window_set_resizable (GTK_WINDOW (popup->size_window),
+                            TRUE);
+  
+  frame = gtk_frame_new (NULL);
+  gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
+
+  gtk_container_add (GTK_CONTAINER (popup->size_window), frame);
+
+  popup->size_label = gtk_label_new ("");
+  gtk_misc_set_padding (GTK_MISC (popup->size_label), 3, 3);
+
+  gtk_container_add (GTK_CONTAINER (frame), popup->size_label);
+
+  gtk_widget_show_all (frame);
+}
+
+static void
+update_size_window (MetaResizePopup *popup)
+{
+  char *str;
+  int x, y;
+  int width, height;
+  
+  g_return_if_fail (popup->size_window != NULL);
+  
+  /* Translators: This represents the size of a window.  The first number is
+   * the width of the window and the second is the height.
+   */
+  str = g_strdup_printf (_("%d x %d"),
+                         popup->horizontal_size,
+                         popup->vertical_size);
+
+  gtk_label_set_text (GTK_LABEL (popup->size_label), str);
+
+  g_free (str);
+
+  gtk_window_get_size (GTK_WINDOW (popup->size_window), &width, &height);
+
+  x = popup->rect.x + (popup->rect.width - width) / 2;
+  y = popup->rect.y + (popup->rect.height - height) / 2;
+  
+  if (GTK_WIDGET_REALIZED (popup->size_window))
+    {
+      /* using move_resize to avoid jumpiness */
+      gdk_window_move_resize (popup->size_window->window,
+                              x, y,
+                              width, height);
+    }
+  else
+    {
+      gtk_window_move   (GTK_WINDOW (popup->size_window),
+                         x, y);
+    }
+}
+
+static void
+sync_showing (MetaResizePopup *popup)
+{
+  if (popup->showing)
+    {
+      if (popup->size_window)
+        gtk_widget_show (popup->size_window);
+      
+      if (popup->size_window && GTK_WIDGET_REALIZED (popup->size_window))
+        gdk_window_raise (popup->size_window->window);
+    }
+  else
+    {
+      if (popup->size_window)
+        gtk_widget_hide (popup->size_window);
+    }
+}
+
+void
+meta_ui_resize_popup_set (MetaResizePopup *popup,
+                          MetaRectangle    rect,
+                          int              base_width,
+                          int              base_height,
+                          int              width_inc,
+                          int              height_inc)
+{
+  gboolean need_update_size;
+  int display_w, display_h;
+  
+  g_return_if_fail (popup != NULL);
+
+  need_update_size = FALSE;
+  
+  display_w = rect.width - base_width;
+  if (width_inc > 0)
+    display_w /= width_inc;
+
+  display_h = rect.height - base_height;
+  if (height_inc > 0)
+    display_h /= height_inc;
+
+  if (!meta_rectangle_equal(&popup->rect, &rect) ||
+      display_w != popup->horizontal_size ||
+      display_h != popup->vertical_size)
+    need_update_size = TRUE;
+  
+  popup->rect = rect;
+  popup->vertical_size = display_h;
+  popup->horizontal_size = display_w;
+  
+  if (need_update_size)
+    {
+      ensure_size_window (popup);
+      update_size_window (popup);
+    }
+      
+  sync_showing (popup);
+}
+
+void
+meta_ui_resize_popup_set_showing  (MetaResizePopup *popup,
+                                   gboolean         showing)
+{
+  g_return_if_fail (popup != NULL);
+  
+  if (showing == popup->showing)
+    return;
+
+  popup->showing = !!showing;
+
+  if (popup->showing)
+    {
+      ensure_size_window (popup);
+      update_size_window (popup);
+    }
+  
+  sync_showing (popup);
+}