Add debug console window when debug mode is enabled to get any text messages on Windows.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@2137 ea778897-0a13-0410-b9d1-a72fbfd435f5

ChangeLog

@@ -4,6 +4,11 @@
    Don't parse in comments and fix wrong creation of tags including
    non-tag characters(e.g. '=' sign).
  * src/document.c: Avoid crash on Windows with enabled debug messages.
+ * src/main.c, src/win32.c, src/win32.h:
+   Add debug console window when debug mode is enabled to get any text
+   messages on Windows.
+   Fix wrong argument in win32_check_write_permission()
+   (reported by Jeff Pohlmeyer, thanks).
 
 
 2007-12-28  Nick Treleaven  <nick(dot)treleaven(at)btinternet(dot)com>

src/main.c

@@ -471,6 +471,10 @@ static void parse_command_line_options(gint *argc, gchar ***argv)
 	app->debug_mode = debug_mode;
 #endif
 
+#ifdef G_OS_WIN32
+	win32_init_debug_code();
+#endif
+
 	if (alternate_config)
 	{
 		geany_debug("alternate config: %s", alternate_config);

src/win32.c

@@ -35,6 +35,7 @@
 #include <commdlg.h>
 #include <shlobj.h>
 #include <io.h>
+#include <fcntl.h>
 
 #include <string.h>
 #include <ctype.h>
@@ -559,7 +560,8 @@ gboolean win32_message_dialog(GtkWidget *parent, GtkMessageType type, const gcha
 gint win32_check_write_permission(const gchar *dir)
 {
 	static wchar_t w_dir[512];
-	MultiByteToWideChar(CP_UTF8, 0, app->configdir, -1, w_dir, sizeof w_dir);
+	errno = 0; // to get sure it is clean
+	MultiByteToWideChar(CP_UTF8, 0, dir, -1, w_dir, sizeof w_dir);
 	_waccess(w_dir, R_OK | W_OK);
 	return errno;
 }
@@ -597,4 +599,63 @@ void win32_open_browser(const gchar *uri)
 	ShellExecute(NULL, "open", uri, NULL, NULL, SW_SHOWNORMAL);
 }
 
+
+static void debug_setup_console()
+{
+	static const WORD MAX_CONSOLE_LINES = 500;
+	gint	 hConHandle;
+	glong	 lStdHandle;
+	CONSOLE_SCREEN_BUFFER_INFO coninfo;
+	FILE	*fp;
+
+	// allocate a console for this app
+	AllocConsole();
+
+	// set the screen buffer to be big enough to let us scroll text
+	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
+	coninfo.dwSize.Y = MAX_CONSOLE_LINES;
+	SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
+
+	// redirect unbuffered STDOUT to the console
+	lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
+	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
+	fp = _fdopen(hConHandle, "w");
+	*stdout = *fp;
+	setvbuf(stdout, NULL, _IONBF, 0);
+
+	// redirect unbuffered STDERR to the console
+	lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
+	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
+	fp = _fdopen(hConHandle, "w");
+	*stderr = *fp;
+	setvbuf(stderr, NULL, _IONBF, 0);
+
+}
+
+
+static void debug_log_handler(const gchar *log_domain, GLogLevelFlags log_level, const gchar *message,
+					   gpointer user_data)
+{
+	if (log_domain != NULL)
+		fprintf(stderr, "%s: %s\n", log_domain, message);
+	else
+		fprintf(stderr, "%s\n", message);
+}
+
+
+void win32_init_debug_code()
+{
+#ifndef GEANY_DEBUG
+	if (app->debug_mode)
+#endif
+	{	// create a console window to get log messages on Windows
+		debug_setup_console();
+		// change the log handlers to output log messages in ther created console window
+		g_log_set_handler("GLib",
+			G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION, debug_log_handler, NULL);
+		g_log_set_default_handler(debug_log_handler, NULL);
+	}
+}
+
+
 #endif

src/win32.h

@@ -55,4 +55,7 @@ gchar *win32_show_project_folder_dialog(GtkWidget *parent, const gchar *title,
 
 gint win32_check_write_permission(const gchar *dir);
 
+void win32_init_debug_code();
+
+
 #endif