--- sourceforge.net/trunk/rdesktop/xwin.c	2000/07/07 09:40:03	7
+++ sourceforge.net/trunk/rdesktop/xwin.c	2000/10/16 08:44:48	21
@@ -18,82 +18,261 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
-#include "includes.h"
+#include <X11/Xlib.h>
+#include <time.h>
+#include "rdesktop.h"
+
+extern int width;
+extern int height;
+extern BOOL motion;
+
+static Display *display;
+static Window wnd;
+static GC gc;
+static Visual *visual;
+static XIM IM;
 
-HWINDOW ui_create_window(int width, int height)
+BOOL ui_create_window(char *title)
 {
-	struct window *wnd;
-	Display *display;
-	Window window;
-	int black;
-	GC gc;
+	Screen *screen;
+	XSetWindowAttributes attribs;
+	unsigned long input_mask;
+	int i;
 
 	display = XOpenDisplay(NULL);
 	if (display == NULL)
-		return NULL;
+	{
+		ERROR("Failed to open display\n");
+		return False;
+	}
+
+	/* Check the screen supports 8-bit depth. */
+	screen = DefaultScreenOfDisplay(display);
+	for (i = 0; i < screen->ndepths; i++)
+		if (screen->depths[i].depth == 8)
+			break;
+
+	if (i >= screen->ndepths)
+	{
+		ERROR("8-bit depth required (in this version).\n");
+		XCloseDisplay(display);
+		return False;
+	}
+
+	visual = DefaultVisual(display, DefaultScreen(display));
 
-	black = BlackPixel(display, DefaultScreen(display));
-	window = XCreateSimpleWindow(display, DefaultRootWindow(display),
-				0, 0, width, height, 0, black, black);
+	attribs.background_pixel = BlackPixel(display, DefaultScreen(display));
+	attribs.backing_store = Always;
+	wnd = XCreateWindow(display, DefaultRootWindow(display),
+			0, 0, width, height, 0, 8, InputOutput, visual,
+			CWBackingStore | CWBackPixel, &attribs);
+
+	XStoreName(display, wnd, title);
+	XMapWindow(display, wnd);
+
+	input_mask  = KeyPressMask | KeyReleaseMask;
+	input_mask |= ButtonPressMask | ButtonReleaseMask;
+	if (motion)
+		input_mask |= PointerMotionMask;
 
-	XMapWindow(display, window);
-	XSync(display, True);
+	XSelectInput(display, wnd, input_mask);
+	gc = XCreateGC(display, wnd, 0, NULL);
+
+	IM = XOpenIM(display, NULL, NULL, NULL);
+	return True;
+}
+
+void ui_destroy_window()
+{
+	XCloseIM(IM);
+	XFreeGC(display, gc);
+	XDestroyWindow(display, wnd);
+	XCloseDisplay(display);
+}
+
+static uint8 xwin_translate_key(unsigned long key)
+{
+	DEBUG("KEY(code=0x%lx)\n", key);
+
+	if ((key > 8) && (key <= 0x60))
+		return (key - 8);
+
+	switch (key)
+	{
+		case 0x62: /* left arrow */
+			return 0x48;
+		case 0x64: /* up arrow */
+			return 0x4b;
+		case 0x66: /* down arrow */
+			return 0x4d;
+		case 0x68: /* right arrow */
+			return 0x50;
+		case 0x73: /* Windows key */
+			DEBUG("CHECKPOINT\n");
+	}
+
+	return 0;
+}
+
+static uint16 xwin_translate_mouse(unsigned long button)
+{
+	switch (button)
+	{
+		case Button1: /* left */
+			return MOUSE_FLAG_BUTTON1;
+		case Button2: /* middle */
+			return MOUSE_FLAG_BUTTON3;
+		case Button3: /* right */
+			return MOUSE_FLAG_BUTTON2;
+	}
+
+	return 0;
+}
+
+void ui_process_events()
+{
+	XEvent event;
+	uint8 scancode;
+	uint16 button;
+	uint32 ev_time;
 
-	gc = XCreateGC(display, window, 0, NULL);
+	if (display == NULL)
+		return;
 
-	wnd = xmalloc(sizeof(struct window));
-	wnd->display = display;
-	wnd->wnd = window;
-	wnd->gc = gc;
-        wnd->visual = DefaultVisual(wnd->display, DefaultScreen(wnd->display));
+	while (XCheckWindowEvent(display, wnd, 0xffffffff, &event))
+	{
+		ev_time = time(NULL);
 
-	return wnd;
+		switch (event.type)
+		{
+			case KeyPress:
+				scancode = xwin_translate_key(event.xkey.keycode);
+				if (scancode == 0)
+					break;
+
+				rdp_send_input(ev_time, RDP_INPUT_SCANCODE, 0,
+						scancode, 0);
+				break;
+
+			case KeyRelease:
+				scancode = xwin_translate_key(event.xkey.keycode);
+				if (scancode == 0)
+					break;
+
+				rdp_send_input(ev_time, RDP_INPUT_SCANCODE,
+						KBD_FLAG_DOWN | KBD_FLAG_UP,
+						scancode, 0);
+				break;
+
+			case ButtonPress:
+				button = xwin_translate_mouse(event.xbutton.button);
+
+				if (button == 0)
+					break;
+
+				rdp_send_input(ev_time, RDP_INPUT_MOUSE,
+						button | MOUSE_FLAG_DOWN,
+						event.xbutton.x,
+						event.xbutton.y);
+				break;
+
+			case ButtonRelease:
+				button = xwin_translate_mouse(event.xbutton.button);
+				if (button == 0)
+					break;
+
+				rdp_send_input(ev_time, RDP_INPUT_MOUSE,
+						button,
+						event.xbutton.x,
+						event.xbutton.y);
+				break;
+
+			case MotionNotify:
+				rdp_send_input(ev_time, RDP_INPUT_MOUSE,
+						MOUSE_FLAG_MOVE,
+						event.xmotion.x,
+						event.xmotion.y);
+		}
+	}
 }
 
-void ui_destroy_window(HWINDOW wnd)
+void ui_move_pointer(int x, int y)
 {
-	XFreeGC(wnd->display, wnd->gc);
-	XDestroyWindow(wnd->display, wnd->wnd);
-	XCloseDisplay(wnd->display);
+	XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y);
 }
 
-HBITMAP ui_create_bitmap(HWINDOW wnd, int width, int height, uint8 *data)
+HBITMAP ui_create_bitmap(int width, int height, uint8 *data)
 {
 	XImage *image;
+	Pixmap bitmap;
 
-	image = XCreateImage(wnd->display, wnd->visual, 8, ZPixmap, 0,
-				data, width, height, 32, width);
+	bitmap = XCreatePixmap(display, wnd, width, height, 8);
 
-	return (HBITMAP)image;
+	image = XCreateImage(display, visual, 8, ZPixmap, 0,
+				data, width, height, 8, width);
+	XSetFunction(display, gc, GXcopy);
+	XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height);
+	XFree(image);
+	
+	return (HBITMAP)bitmap;
 }
 
-void ui_destroy_bitmap(HWINDOW wnd, HBITMAP bmp)
+void ui_paint_bitmap(int x, int y, int cx, int cy,
+			int width, int height, uint8 *data)
 {
-	XDestroyImage((XImage *)bmp);
+	XImage *image;
+
+	image = XCreateImage(display, visual, 8, ZPixmap, 0,
+				data, width, height, 8, width);
+	XSetFunction(display, gc, GXcopy);
+	XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy);
+	XFree(image); 
 }
 
-void ui_paint_bitmap(HWINDOW wnd, HBITMAP bmp, int x, int y)
+void ui_destroy_bitmap(HBITMAP bmp)
 {
-	XImage *image = (XImage *)bmp;
+	XFreePixmap(display, (Pixmap)bmp);
+}
 
-	XPutImage(wnd->display, wnd->wnd, wnd->gc, image,
-			0, 0, x, y, image->width, image->height);
+HGLYPH ui_create_glyph(int width, int height, uint8 *data)
+{
+	XImage *image;
+	Pixmap bitmap;
+	int scanline;
+	GC gc;
+
+	scanline = (width + 7) / 8;
 
-	XSync(wnd->display, True);
+	bitmap = XCreatePixmap(display, wnd, width, height, 1);
+	gc = XCreateGC(display, bitmap, 0, NULL);
+
+	image = XCreateImage(display, visual, 1, ZPixmap, 0,
+				data, width, height, 8, scanline);
+	XSetFunction(display, gc, GXcopy);
+	XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height);
+	XFree(image);
+	XFreeGC(display, gc);
+	
+	return (HGLYPH)bitmap;
 }
 
-HCOLORMAP ui_create_colormap(HWINDOW wnd, COLORMAP *colors)
+void ui_destroy_glyph(HGLYPH glyph)
 {
-	COLORENTRY *entry;
-	XColor *xcolors, *xentry;
+	XFreePixmap(display, (Pixmap)glyph);
+}
+
+HCOLOURMAP ui_create_colourmap(COLOURMAP *colours)
+{
+	COLOURENTRY *entry;
+	XColor *xcolours, *xentry;
 	Colormap map;
-	int i, ncolors = colors->ncolors;
+	int i, ncolours = colours->ncolours;
 
-	xcolors = malloc(sizeof(XColor) * ncolors);
-	for (i = 0; i < ncolors; i++)
+	xcolours = xmalloc(sizeof(XColor) * ncolours);
+	for (i = 0; i < ncolours; i++)
 	{
-		entry = &colors->colors[i];
-		xentry = &xcolors[i];
+		entry = &colours->colours[i];
+		xentry = &xcolours[i];
 
 		xentry->pixel = i;
 		xentry->red = entry->red << 8;
@@ -102,34 +281,280 @@
 		xentry->flags = DoRed | DoBlue | DoGreen;
 	}
 
-	map = XCreateColormap(wnd->display, wnd->wnd, wnd->visual, AllocAll);
-	XStoreColors(wnd->display, map, xcolors, ncolors);
+	map = XCreateColormap(display, wnd, visual, AllocAll);
+	XStoreColors(display, map, xcolours, ncolours);
+
+	xfree(xcolours);
+	return (HCOLOURMAP)map;
+}
+
+void ui_destroy_colourmap(HCOLOURMAP map)
+{
+	XFreeColormap(display, (Colormap)map);
+}
+
+void ui_set_colourmap(HCOLOURMAP map)
+{
+	XSetWindowColormap(display, wnd, (Colormap)map);
+}
+
+void ui_set_clip(int x, int y, int cx, int cy)
+{
+	XRectangle rect;
+
+	rect.x = x;
+	rect.y = y;
+	rect.width = cx;
+	rect.height = cy;
+	XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded);
+}
+
+void ui_reset_clip()
+{
+	XRectangle rect;
+
+	rect.x = 0;
+	rect.y = 0;
+	rect.width = width;
+	rect.height = height;
+	XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded);
+}
+
+void ui_bell()
+{
+	XBell(display, 0);
+}
+
+static int rop2_map[] = {
+	GXclear,	/* 0 */
+	GXnor,		/* DPon */
+	GXandInverted,	/* DPna */
+	GXcopyInverted,	/* Pn */
+	GXandReverse,	/* PDna */
+	GXinvert,	/* Dn */
+	GXxor,		/* DPx */
+	GXnand,		/* DPan */
+	GXand,		/* DPa */
+	GXequiv,	/* DPxn */
+	GXnoop,		/* D */
+	GXorInverted,	/* DPno */
+	GXcopy,		/* P */
+	GXorReverse,	/* PDno */
+	GXor,		/* DPo */
+	GXset		/* 1 */
+};
+
+static void xwin_set_function(uint8 rop2)
+{
+	XSetFunction(display, gc, rop2_map[rop2]);
+}
+
+void ui_destblt(uint8 opcode,
+	/* dest */  int x, int y, int cx, int cy)
+{
+	xwin_set_function(opcode);
+
+	XFillRectangle(display, wnd, gc, x, y, cx, cy);
+}
+
+void ui_patblt(uint8 opcode,
+	/* dest */  int x, int y, int cx, int cy,
+	/* brush */ BRUSH *brush, int bgcolour, int fgcolour)
+{
+	Display *dpy = display;
+	Pixmap fill;
+
+	xwin_set_function(opcode);
+
+	switch (brush->style)
+	{
+		case 0: /* Solid */
+			XSetForeground(dpy, gc, fgcolour);
+			XFillRectangle(dpy, wnd, gc, x, y, cx, cy);
+			break;
+
+		case 3: /* Pattern */
+			fill = (Pixmap)ui_create_glyph(8, 8, brush->pattern);
+
+			XSetForeground(dpy, gc, fgcolour);
+			XSetBackground(dpy, gc, bgcolour);
+			XSetFillStyle(dpy, gc, FillOpaqueStippled);
+			XSetStipple(dpy, gc, fill);
+
+			XFillRectangle(dpy, wnd, gc, x, y, cx, cy);
+
+			XSetFillStyle(dpy, gc, FillSolid);
+			ui_destroy_glyph((HGLYPH)fill);
+			break;
+
+		default:
+			NOTIMP("brush %d\n", brush->style);
+	}
+}
+
+void ui_screenblt(uint8 opcode,
+		/* dest */ int x, int y, int cx, int cy,
+		/* src */  int srcx, int srcy)
+{
+	xwin_set_function(opcode);
+
+	XCopyArea(display, wnd, wnd, gc, srcx, srcy,
+			cx, cy, x, y);
+}
+
+void ui_memblt(uint8 opcode,
+	/* dest */  int x, int y, int cx, int cy,
+	/* src */   HBITMAP src, int srcx, int srcy)
+{
+	xwin_set_function(opcode);
+
+	XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy,
+			cx, cy, x, y);
+}
+
+void ui_triblt(uint8 opcode,
+	/* dest */  int x, int y, int cx, int cy,
+	/* src */   HBITMAP src, int srcx, int srcy,
+	/* brush */ BRUSH *brush, int bgcolour, int fgcolour)
+{
+	/* This is potentially difficult to do in general. Until someone
+	   comes up with a more efficient way of doing it I am using cases. */
+
+	switch (opcode)
+	{
+		case 0x69: /* PDSxxn */
+			ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy);
+			ui_patblt(ROP2_NXOR, x, y, cx, cy,
+					brush, bgcolour, fgcolour);
+			break;
+
+		case 0xb8: /* PSDPxax */
+			ui_patblt(ROP2_XOR, x, y, cx, cy,
+					brush, bgcolour, fgcolour);
+			ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy);
+			ui_patblt(ROP2_XOR, x, y, cx, cy,
+					brush, bgcolour, fgcolour);
+			break;
+
+		default:
+			NOTIMP("triblt 0x%x\n", opcode);
+			ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy);
+	}
+}
+
+void ui_line(uint8 opcode,
+	/* dest */  int startx, int starty, int endx, int endy,
+	/* pen */   PEN *pen)
+{
+	xwin_set_function(opcode);
 
-	free(xcolors);
-	return (HCOLORMAP)map;
+	XSetForeground(display, gc, pen->colour);
+	XDrawLine(display, wnd, gc, startx, starty, endx, endy);
 }
 
-void ui_destroy_colormap(HWINDOW wnd, HCOLORMAP map)
+void ui_rect(
+	/* dest */  int x, int y, int cx, int cy,
+	/* brush */ int colour)
 {
-	XFreeColormap(wnd->display, (Colormap)map);
+	xwin_set_function(ROP2_COPY);
+
+	XSetForeground(display, gc, colour);
+	XFillRectangle(display, wnd, gc, x, y, cx, cy);
 }
 
-void ui_set_colormap(HWINDOW wnd, HCOLORMAP map)
+void ui_draw_glyph(int mixmode,
+	/* dest */ int x, int y, int cx, int cy,
+	/* src */  HGLYPH glyph, int srcx, int srcy, int bgcolour, int fgcolour)
 {
-	XSetWindowColormap(wnd->display, wnd->wnd, (Colormap)map);
+	Pixmap pixmap = (Pixmap)glyph;
+
+	xwin_set_function(ROP2_COPY);
+
+	XSetForeground(display, gc, fgcolour);
+
+	switch (mixmode)
+	{
+		case MIX_TRANSPARENT:
+			XSetStipple(display, gc, pixmap);
+			XSetFillStyle(display, gc, FillStippled);
+			XSetTSOrigin(display, gc, x, y);
+			XFillRectangle(display, wnd, gc,
+					x, y, cx, cy);
+			XSetFillStyle(display, gc, FillSolid);
+			break;
+
+		case MIX_OPAQUE:
+			XSetBackground(display, gc, bgcolour);
+			XCopyPlane(display, pixmap, wnd, gc,
+					srcx, srcy, cx, cy, x, y, 1);
+			break;
+
+		default:
+			NOTIMP("mix %d\n", mixmode);
+	}
 }
 
-void ui_draw_rectangle(HWINDOW wnd, int x, int y, int width, int height)
+void ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y,
+			int clipx, int clipy, int clipcx, int clipcy,
+			int boxx, int boxy, int boxcx, int boxcy,
+			int bgcolour, int fgcolour, uint8 *text, uint8 length)
 {
-	static int white = 0;
+	FONTGLYPH *glyph;
+	int i;
 
-	XSetForeground(wnd->display, wnd->gc, white);
-	XFillRectangle(wnd->display, wnd->wnd, wnd->gc, x, y, width, height);
+	if (boxcx > 1)
+	{
+		ui_rect(boxx, boxy, boxcx, boxcy, bgcolour);
+	}
+	else if (mixmode == MIX_OPAQUE)
+	{
+		ui_rect(clipx, clipy, clipcx, clipcy, bgcolour);
+	}
+
+	/* Paint text, character by character */
+	for (i = 0; i < length; i++)
+	{
+		glyph = cache_get_font(font, text[i]);
+
+		if (!(flags & TEXT2_IMPLICIT_X))
+			x += text[++i];
+
+		if (glyph != NULL)
+		{
+			ui_draw_glyph(mixmode, x + (short)glyph->offset,
+					y + (short)glyph->baseline,
+					glyph->width, glyph->height,
+					glyph->pixmap, 0, 0,
+					bgcolour, fgcolour);
+
+			if (flags & TEXT2_IMPLICIT_X)
+				x += glyph->width;
+		}
+	}
+}
 
-	white++;
+void ui_desktop_save(uint32 offset, int x, int y, int cx, int cy)
+{
+	XImage *image;
+
+	image = XGetImage(display, wnd, x, y, cx, cy, 0xffffffff, ZPixmap);
+	cache_put_desktop(offset, cx, cy, image->bytes_per_line, image->data);
+	XFree(image->data);
+	XFree(image);
 }
 
-void ui_move_pointer(HWINDOW wnd, int x, int y)
+void ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy)
 {
-	XWarpPointer(wnd->display, wnd->wnd, wnd->wnd, 0, 0, 0, 0, x, y);
+	XImage *image;
+	uint8 *data;
+
+	data = cache_get_desktop(offset, cx, cy);
+	if (data == NULL)
+		return;
+
+	image = XCreateImage(display, visual, 8, ZPixmap, 0,
+				data, cx, cy, 32, cx);
+	XSetFunction(display, gc, GXcopy);
+	XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy);
+	XFree(image);
 }