Support 'fullscreen' frame parameter on MS-Windows.

 src/w32term.c (w32fullscreen_hook): New function.
 (w32_create_terminal): Plug it into the terminal's fullscreen_hook.

2 files changed, 77 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index acd8d4481e7..19cb4935c7b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-22  Eli Zaretskii  <eliz@gnu.org>
+
+        * w32term.c (w32fullscreen_hook): New function.
+        (w32_create_terminal): Plug it into the terminal's fullscreen_hook.
+
 2012-12-21  Eli Zaretskii  <eliz@gnu.org>
 
         * fileio.c (Finsert_file_contents): Doc fix.
diff --git a/src/w32term.c b/src/w32term.c
index 7c53097e313..4ccdaa72a3b 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -5648,6 +5648,77 @@ x_check_fullscreen (struct frame *f)
     }
 }
 
+static void
+w32fullscreen_hook (FRAME_PTR f)
+{
+  static int normal_width, normal_height, normal_top, normal_left;
+
+  if (f->async_visible)
+    {
+      int width, height, top_pos, left_pos, pixel_height, pixel_width;
+      int cur_w = FRAME_COLS (f), cur_h = FRAME_LINES (f);
+      RECT workarea_rect;
+
+      block_input ();
+      if (normal_height <= 0)
+        normal_height = cur_h;
+      if (normal_width <= 0)
+        normal_width = cur_w;
+      x_real_positions (f, &f->left_pos, &f->top_pos);
+      x_fullscreen_adjust (f, &width, &height, &top_pos, &left_pos);
+
+      SystemParametersInfo (SPI_GETWORKAREA, 0, &workarea_rect, 0);
+      pixel_height = workarea_rect.bottom - workarea_rect.top;
+      pixel_width  = workarea_rect.right  - workarea_rect.left;
+
+      switch (f->want_fullscreen)
+        {
+          /* No difference between these two when there is no WM */
+        case FULLSCREEN_MAXIMIZED:
+          PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, 0xf030, 0);
+          break;
+        case FULLSCREEN_BOTH:
+          height = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, pixel_height) - 2;
+          width  = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pixel_width);
+          left_pos = workarea_rect.left;
+          top_pos = workarea_rect.top;
+          break;
+        case FULLSCREEN_WIDTH:
+          width  = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pixel_width);
+          if (normal_height > 0)
+            height = normal_height;
+          left_pos = workarea_rect.left;
+          break;
+        case FULLSCREEN_HEIGHT:
+          height = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, pixel_height) - 2;
+          if (normal_width > 0)
+            width = normal_width;
+          top_pos = workarea_rect.top;
+          break;
+        case FULLSCREEN_NONE:
+          if (normal_height > 0)
+            height = normal_height;
+          else
+            normal_height = height;
+          if (normal_width > 0)
+            width = normal_width;
+          else
+            normal_width = width;
+          /* FIXME: Should restore the original position of the frame.  */
+          top_pos = left_pos = 0;
+          break;
+        }
+
+      if (cur_w != width || cur_h != height)
+        {
+          x_set_offset (f, left_pos, top_pos, 1);
+          x_set_window_size (f, 1, width, height);
+          do_pending_window_change (0);
+        }
+      unblock_input ();
+    }
+}
+
 /* Call this to change the size of frame F's x-window.
    If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
    for this size change and subsequent size changes.
@@ -6338,7 +6409,7 @@ w32_create_terminal (struct w32_display_info *dpyinfo)
   terminal->mouse_position_hook = w32_mouse_position;
   terminal->frame_rehighlight_hook = w32_frame_rehighlight;
   terminal->frame_raise_lower_hook = w32_frame_raise_lower;
-  /* terminal->fullscreen_hook = XTfullscreen_hook; */
+  terminal->fullscreen_hook = w32fullscreen_hook;
   terminal->set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar;
   terminal->condemn_scroll_bars_hook = w32_condemn_scroll_bars;
   terminal->redeem_scroll_bar_hook = w32_redeem_scroll_bar;