mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-01 07:59:05 +08:00
4b5609238b
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@156 d0cd1f9f-072b-0410-8dd7-cf729c803f20
104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/**********************************************************************
|
|
* File: debugwin.h
|
|
* Description: Portable debug window class.
|
|
* Author: Ray Smith
|
|
* Created: Wed Feb 21 15:36:59 MST 1996
|
|
*
|
|
* (C) Copyright 1996, Hewlett-Packard Co.
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
|
** you may not use this file except in compliance with the License.
|
|
** You may obtain a copy of the License at
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
|
** Unless required by applicable law or agreed to in writing, software
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
** See the License for the specific language governing permissions and
|
|
** limitations under the License.
|
|
*
|
|
**********************************************************************/
|
|
|
|
#ifndef DEBUGWIN_H
|
|
#define DEBUGWIN_H
|
|
|
|
#include "host.h"
|
|
#include "varable.h"
|
|
|
|
#ifdef __MAC__
|
|
#include <lwindow.h>
|
|
#include <lcommander.h>
|
|
#endif
|
|
|
|
//the following define the default position of a debug window
|
|
//if not specified at construction
|
|
#define DEBUG_WIN_XPOS 50 //default position
|
|
#define DEBUG_WIN_YPOS 30 //default position
|
|
#define DEBUG_WIN_XSIZE 700 //default size
|
|
#define DEBUG_WIN_YSIZE 300 //default size
|
|
|
|
//number of lines in the scrollable area of the window
|
|
extern DLLSYM INT_VAR_H (debug_lines, 256, "Number of lines in debug window");
|
|
|
|
//the API for the debug window is simple, see below.
|
|
//Most of its behaviour is its UI.
|
|
//It has a scrollable text area (most of the window)
|
|
//It has a stop control.
|
|
//It has a clear button.
|
|
//A dprintf to the window causes the text to be sent to the
|
|
//text area. If the stop control is set, then the dprintf
|
|
//blocks (does not display anything or return) until the stop
|
|
//is released.
|
|
//In multi-threaded apps, other threads and the UI continue to
|
|
//function during the stop. Only the calling thread is blocked.
|
|
//Pressing the clear button erases all text from the window.
|
|
//As text is sent to the window, it scrolls up so that the most
|
|
//recent output is visible. If the user has scrolled back, this
|
|
//does not happen. If the user scrolls back to the bottom, then
|
|
//the scrolling turns back on.
|
|
//If the user destroys the window, it never comes back.
|
|
|
|
class DLLSYM DEBUG_WIN
|
|
{
|
|
public:
|
|
//the constructor creates the window, the destructor kills it
|
|
DEBUG_WIN ( //constructor
|
|
const char *title, //of window
|
|
inT32 xpos = DEBUG_WIN_XPOS,//initial position
|
|
inT32 ypos = DEBUG_WIN_YPOS,//in pixels
|
|
//initial size
|
|
inT32 xsize = DEBUG_WIN_XSIZE,
|
|
//in pixels
|
|
inT32 ysize = DEBUG_WIN_YSIZE,
|
|
//default scroll size (textlines)
|
|
inT32 buflines = debug_lines);
|
|
|
|
~DEBUG_WIN (); //destructor
|
|
|
|
void dprintf ( //printf to window
|
|
const char *format, ...); //message
|
|
|
|
void await_destruction(); //wait for user to close
|
|
|
|
#ifdef __MAC__
|
|
static void SetCommander(LCommander *pCommander);
|
|
#endif
|
|
|
|
private:
|
|
|
|
#ifdef __MSW32__
|
|
HWND handle; //handle to window
|
|
char *shm_mem; //shared memory
|
|
char *msg_end; //current string
|
|
HANDLE shm_hand; //handle to it
|
|
HANDLE dbg_process; //handle to it
|
|
HANDLE dbg_thread; //handle to it
|
|
#endif
|
|
#ifdef __UNIX__
|
|
FILE *fp; /*return file */
|
|
#endif
|
|
|
|
#ifdef __MAC__
|
|
LWindow *pWindow;
|
|
#endif
|
|
};
|
|
#endif
|