From: Geoff Voelker <voelker@cs.washington.edu>
Date: Sun, 21 Jan 1996 00:21:35 +0000 (+0000)
Subject: (win32_palette_entry): New structure.
X-Git-Tag: emacs-19.34~1620
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=61102050ba53404f3994a36b6b5ce66b2d564056;p=emacs.git

(win32_palette_entry): New structure.
(has_palette, p_colors_in_use, n_colors_in_use, h_palette,
regen_palette): Declare variables.
(struct win32_output): New field.
(my_get_dc): Macro removed.
(GetFrameDC, ReleaseFrameDC): Declare functions.
---

diff --git a/src/w32term.h b/src/w32term.h
index a5301896541..7bf953fd036 100644
--- a/src/w32term.h
+++ b/src/w32term.h
@@ -75,6 +75,23 @@ struct win32_bitmap_record
   /* Record some info about this pixmap.  */
   int height, width, depth;
 };
+
+/* Palette book-keeping stuff for mapping requested colors into the
+   system palette.  Keep a ref-counted list of requested colors and
+   regenerate the app palette whenever the requested list changes. */
+
+extern Lisp_Object Vwin32_enable_palette;
+
+struct win32_palette_entry {
+  struct win32_palette_entry * next;
+  PALETTEENTRY entry;
+#if 0
+  unsigned refcount;
+#endif
+};
+
+extern void win32_regenerate_palette(struct frame *f);
+
 
 /* For each display (currently only one on win32), we have a structure that
    records information about it.  */
@@ -102,6 +119,15 @@ struct win32_display_info
   /* The cursor to use for vertical scroll bars.  */
   Cursor vertical_scroll_bar_cursor;
 
+  /* color palette information */
+  int has_palette;
+  struct win32_palette_entry * p_colors_in_use;
+  unsigned n_colors_in_use;
+  HPALETTE h_palette;
+
+  /* deferred action flags checked when starting frame update */
+  int regen_palette;
+
   /* A table of all the fonts we have already loaded.  */
   struct font_info *font_table;
 
@@ -187,6 +213,9 @@ extern struct win32_display_info *win32_term_init ();
 
 struct win32_output
 {
+  /* Original palette (used to deselect real palette after drawing) */
+  HPALETTE h_old_palette;
+
   /* Position of the Win32 window (x and y offsets in root window).  */
   int left_pos;
   int top_pos;
@@ -548,10 +577,6 @@ win32_fill_area (f,hdc,f->output_data.win32->background_pixel,x,y,nx,ny)
 extern XFontStruct *win32_load_font ();
 extern void win32_unload_font ();
 
-extern HDC map_mode();
-
-#define my_get_dc(hwnd) (map_mode (GetDC (hwnd)))
-
 #define WM_EMACS_START                 (WM_USER + 1)
 #define WM_EMACS_KILL                  (WM_EMACS_START + 0x00)
 #define WM_EMACS_CREATEWINDOW          (WM_EMACS_START + 0x01)
@@ -578,11 +603,26 @@ typedef struct Win32Msg {
     RECT rect;
 } Win32Msg;
 
+/* Identifiers for array of critical sections; we need one for
+   serializing access to hand-crafter message queue, and another
+   for preventing palette changes during GDI calls. */
+enum win32_critical_section {
+  CRIT_MSG,			/* message queue */
+  CRIT_GDI,			/* GDI calls */
+  CRIT_TOTAL			/* num of critical sections */
+};
+
+extern CRITICAL_SECTION critsect[CRIT_TOTAL];
+
 extern void init_crit ();
-extern void enter_crit ();
-extern void leave_crit ();
 extern void delete_crit ();
 
+#define enter_crit(index) EnterCriticalSection (&critsect[index])
+#define leave_crit(index) LeaveCriticalSection (&critsect[index])
+
+extern HDC GetFrameDC (struct frame * f);
+extern int ReleaseFrameDC (struct frame * f, HDC hDC);
+
 extern BOOL get_next_msg ();
 extern BOOL post_msg ();
 extern void wait_for_sync ();