GUI Win32 pour le toplevel (J.Navia)

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@3988 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

1 files changed, 107 insertions, 0 deletions

diff --git a/win32caml/libgraph.h b/win32caml/libgraph.h
new file mode 100644
index 000000000..1248d3037
--- /dev/null
+++ b/win32caml/libgraph.h
@@ -0,0 +1,107 @@
+/***********************************************************************/
+/*                                                                     */
+/*                           Objective Caml                            */
+/*                                                                     */
+/*            Jacob Navia, after Xavier Leroy                          */
+/*                                                                     */
+/*  Copyright 2001 Institut National de Recherche en Informatique et   */
+/*  en Automatique.  All rights reserved.  This file is distributed    */
+/*  under the terms of the GNU Library General Public License.         */
+/*                                                                     */
+/***********************************************************************/
+
+/* $Id$ */
+
+#include <stdio.h>
+#include <windows.h>
+
+struct canvas {
+  int w, h;                     /* Dimensions of the drawable */
+  HWND win;                     /* The drawable itself */
+  HDC gc;                        /* The associated graphics context */
+};
+
+extern HWND grdisplay;     /* The display connection */
+//extern int grscreen;            /* The screen number */
+//extern Colormap grcolormap;     /* The color map */
+//extern struct canvas grwindow;  /* The graphics window */
+//extern struct canvas grbstore;  /* The pixmap used for backing store */
+//extern int grwhite, grblack;    /* Black and white pixels for X */
+//extern int grbackground;        /* Background color for X
+//				     (used for CAML color -1) */
+extern COLORREF grbackground;
+extern BOOL grdisplay_mode;     /* Display-mode flag */
+extern BOOL grremember_mode;    /* Remember-mode flag */
+extern int grx, gry;            /* Coordinates of the current point */
+extern int grcolor;             /* Current *CAML* drawing color (can be -1) */
+extern HFONT * grfont;          /* Current font */
+
+extern BOOL direct_rgb;
+extern int byte_order;
+extern int bitmap_unit;
+extern int bits_per_pixel;
+
+#define Wcvt(y) (grwindow.height - 1 - (y))
+#define Bcvt(y) (grwindow.height - 1 - (y))
+#define WtoB(y) ((y) + WindowRect.bottom - grwindow.h)
+//#define BtoW(y) ((y) + WindowRect.bottom - grbstore.h)
+
+#define DEFAULT_SCREEN_WIDTH 1024
+#define DEFAULT_SCREEN_HEIGHT 768
+#define BORDER_WIDTH 2
+#define WINDOW_NAME "Caml graphics"
+#define ICON_NAME "Caml graphics"
+#define DEFAULT_EVENT_MASK \
+          (ExposureMask | KeyPressMask | StructureNotifyMask)
+#define DEFAULT_FONT "fixed"
+#define SIZE_QUEUE 256
+
+/* To handle events asynchronously */
+#ifdef HAS_ASYNC_IO
+#define USE_ASYNC_IO
+#define EVENT_SIGNAL SIGIO
+#else
+#ifdef HAS_SETITIMER
+#define USE_INTERVAL_TIMER
+#define EVENT_SIGNAL SIGALRM
+#else
+#define USE_ALARM
+#define EVENT_SIGNAL SIGALRM
+#endif
+#endif
+
+void gr_fail(char *fmt, char *arg);
+void gr_check_open(void);
+unsigned long gr_pixel_rgb(int rgb);
+int gr_rgb_pixel(long unsigned int pixel);
+void gr_enqueue_char(unsigned char c);
+void gr_init_color_cache(void);
+
+// Windows specific definitions
+extern RECT WindowRect;
+extern int grCurrentColor;
+
+typedef struct tagWindow {
+	HDC gc;
+	HDC gcBitmap;
+	HWND hwnd;
+	HBRUSH CurrentBrush;
+	HPEN CurrentPen;
+	DWORD CurrentColor;
+	int width;
+	int height;
+	int grx;
+	int gry;
+	HBITMAP hBitmap;
+	HFONT CurrentFont;
+	int CurrentFontSize;
+	HDC tempDC; // For image operations;
+} GR_WINDOW;
+
+extern GR_WINDOW grwindow;
+HFONT CreationFont(char *name);
+extern int MouseLbuttonDown,MouseMbuttonDown,MouseRbuttonDown;
+extern HANDLE EventHandle;
+extern int InspectMessages;
+extern MSG msg;
+