Add a hand tool (+ other misc updates)

[xournal.git] / src / xo-paint.c

diff --git a/src/xo-paint.c b/src/xo-paint.c
index 798643c49fa3100e1f3e70eaea481e36e321ca59..f52f1240173e4c6143cd05481781dfd71e5b94b6 100644 (file)
--- a/src/xo-paint.c
+++ b/src/xo-paint.c
@@ -93,6 +93,9 @@ void update_cursor(void)
   else if (ui.cur_item_type == ITEM_SELECTRECT) {
     ui.cursor = gdk_cursor_new(GDK_TCROSS);
   }
+  else if (ui.toolno[ui.cur_mapping] == TOOL_HAND) {
+    ui.cursor = gdk_cursor_new(GDK_HAND1);
+  }
   
   gdk_window_set_cursor(GTK_WIDGET(canvas)->window, ui.cursor);
 }
@@ -895,3 +898,15 @@ void rethicken_selection(int val)
          "width-units", item->brush.thickness, NULL);
   }
 }
+
+void do_hand(GdkEvent *event)
+{
+  double pt[2], val;
+  int cx, cy;
+  
+  get_pointer_coords(event, pt);
+  gnome_canvas_get_scroll_offsets(canvas, &cx, &cy);
+  cx -= (pt[0]-ui.hand_refpt[0])*ui.zoom;
+  cy -= (pt[1]-ui.hand_refpt[1])*ui.zoom;
+  gnome_canvas_scroll_to(canvas, cx, cy);
+}