# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1309166354 -10800
# Node ID e4c79d2c7f789e4df67f1fce2c082d015e68e685
# Parent  0eb6abc43ac616475fef78f5b847a5e240dfed66
finishing win32 module

diff -r 0eb6abc43ac6 -r e4c79d2c7f78 src/wsys_w32.c
--- a/src/wsys_w32.c	Mon Jun 27 12:05:51 2011 +0300
+++ b/src/wsys_w32.c	Mon Jun 27 12:19:14 2011 +0300
@@ -34,6 +34,7 @@
 /* window management */
 static int set_active(int id);
 static struct window *find_window(int id);
+static struct window *find_window_handle(HWND wh);
 static int activate_window(struct window *win);
 static int set_title(const char *str);
 static void redisplay(void);
@@ -49,6 +50,7 @@
 
 static LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
 static int mouse_button(unsigned int msg);
+static void calc_win_size(int w, int h, int *width, int *height, int *posx, int *posy);
 
 
 static struct wsys_module ws = {
@@ -258,7 +260,20 @@
 	struct window *win = winlist;
 
 	while(win) {
-		if(win->win == id) {
+		if(win->id == id) {
+			return win;
+		}
+		win = win->next;
+	}
+	return 0;
+}
+
+static struct window *find_window_handle(HWND wh)
+{
+	struct window *win = winlist;
+
+	while(win) {
+		if(win->win == wh) {
 			return win;
 		}
 		win = win->next;
@@ -423,6 +438,41 @@
 	return -1;
 }
 
+static void calc_win_size(int w, int h, int *width, int *height, int *posx, int *posy)
+{
+	RECT rect;
+	DEVMODE dmode;
+	unsigned int style = WS_BORDER | WS_CAPTION | WS_MINIMIZEBOX | WS_POPUP | WS_SYSMENU | WS_VISIBLE;
+
+	rect.left = rect.top = 0;
+	rect.right = w;
+	rect.bottom = h;
+
+	AdjustWindowRect(&rect, style, 0);
+
+	*width = rect.right - rect.left;
+	*height = rect.bottom - rect.top;
+
+	*posx = *posy = 0;
+
+	memset(&dmode, 0, sizeof dmode);
+	dmode.dmSize = sizeof dmode;
+
+	if(EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &dmode)) {
+		int x, y;
+
+		x = (dmode.dmPelsWidth - *width) / 2;
+		if(x > 0) {
+			*posx = x;
+		}
+
+		y = (dmode.dmPelsHeight - *height) / 2;
+		if(y > 0) {
+			*posy = y;
+		}
+	}
+}
+
 #else
 int sgl_wsys_w32_silence_the_fucking_empty_file_warnings;
 #endif