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

1 files changed, 133 insertions, 0 deletions

diff --git a/src/ui/fixedtip.c b/src/ui/fixedtip.c
new file mode 100644
index 00000000..93370636
--- /dev/null
+++ b/src/ui/fixedtip.c
@@ -0,0 +1,133 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco fixed tooltip routine */
+
+/* 
+ * 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 "fixedtip.h"
+#include "ui.h"
+
+/**
+ * The floating rectangle.  This is a GtkWindow, and it contains
+ * the "label" widget, below.
+ */
+static GtkWidget *tip = NULL;
+
+/**
+ * The actual text that gets displayed.
+ */
+static GtkWidget *label = NULL;
+/*
+ * X coordinate of the right-hand edge of the screen.
+ *
+ * \bug  This appears to be a bug; screen_right_edge is calculated only when
+ *       the window is redrawn.  Actually we should never cache it because
+ *       different windows are different sizes.
+ */
+static int screen_right_edge = 0;
+/*
+ * Y coordinate of the bottom edge of the screen.
+ *
+ * \bug  As with screen_right_edge.
+ */
+static int screen_bottom_edge = 0;
+
+static gint
+expose_handler (GtkTooltips *tooltips)
+{
+  gtk_paint_flat_box (gtk_widget_get_style (tip), gtk_widget_get_window (tip),
+                      GTK_STATE_NORMAL, GTK_SHADOW_OUT, 
+                      NULL, tip, "tooltip",
+                      0, 0, -1, -1);
+
+  return FALSE;
+}
+
+void
+meta_fixed_tip_show (Display *xdisplay, int screen_number,
+                     int root_x, int root_y,
+                     const char *markup_text)
+{
+  int w, h;
+  
+  if (tip == NULL)
+    {      
+      tip = gtk_window_new (GTK_WINDOW_POPUP);
+      gtk_window_set_type_hint (GTK_WINDOW(tip), GDK_WINDOW_TYPE_HINT_TOOLTIP);
+
+      {
+        GdkScreen *gdk_screen;
+	GdkRectangle monitor;
+	gint mon_num;
+
+        gdk_screen = gdk_display_get_screen (gdk_display_get_default (),
+                                             screen_number);
+        gtk_window_set_screen (GTK_WINDOW (tip),
+                               gdk_screen);
+	mon_num = gdk_screen_get_monitor_at_point (gdk_screen, root_x, root_y);
+	gdk_screen_get_monitor_geometry (gdk_screen, mon_num, &monitor);
+	screen_right_edge = monitor.x + monitor.width;
+	screen_bottom_edge = monitor.y + monitor.height;
+      }
+      
+      gtk_widget_set_app_paintable (tip, TRUE);
+      gtk_window_set_resizable (GTK_WINDOW (tip), FALSE);
+      gtk_widget_set_name (tip, "gtk-tooltips");
+      gtk_container_set_border_width (GTK_CONTAINER (tip), 4);
+
+      g_signal_connect_swapped (tip, "expose_event",
+				 G_CALLBACK (expose_handler), NULL);
+
+      label = gtk_label_new (NULL);
+      gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+      gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
+      gtk_widget_show (label);
+      
+      gtk_container_add (GTK_CONTAINER (tip), label);
+
+      g_signal_connect (tip, "destroy",
+			G_CALLBACK (gtk_widget_destroyed), &tip);
+    }
+
+  gtk_label_set_markup (GTK_LABEL (label), markup_text);
+  
+  gtk_window_get_size (GTK_WINDOW (tip), &w, &h);
+
+  if (meta_ui_get_direction() == META_UI_DIRECTION_RTL)
+      root_x = MAX(0, root_x - w);
+
+  if ((root_x + w) > screen_right_edge)
+    root_x -= (root_x + w) - screen_right_edge;
+  
+  gtk_window_move (GTK_WINDOW (tip), root_x, root_y);
+
+  gtk_widget_show (tip);
+}
+
+void
+meta_fixed_tip_hide (void)
+{
+  if (tip)
+    {
+      gtk_widget_destroy (tip);
+      tip = NULL;
+    }
+}