tmouse.cpp
上传用户:tigerk9
上传日期:2020-03-10
资源大小:237k
文件大小:6k
- ///////////////////////////////////////////////////////////////////////////////
- //Telnet Win32 : an ANSI telnet client.
- //Copyright (C) 1998 Paul Brannan
- //Copyright (C) 1998 I.Ioannou
- //Copyright (C) 1997 Brad Johnson
- //
- //This program is free software; you can redistribute it and/or
- //modify it under the terms of the GNU General Public License
- //as published by the Free Software Foundation; either version 2
- //of the License, or (at your option) any later version.
- //
- //This program is distributed in the hope that it will be useful,
- //but WITHOUT ANY WARRANTY; without even the implied warranty of
- //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- //GNU General Public License for more details.
- //
- //You should have received a copy of the GNU General Public License
- //along with this program; if not, write to the Free Software
- //Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- //
- //I.Ioannou
- //roryt@hol.gr
- //
- ///////////////////////////////////////////////////////////////////////////
- // TMouse.cpp
- // A simple class for handling mouse events
- // Written by Paul Brannan <pbranna@clemson.edu>
- // Last modified August 30, 1998
- #include "tmouse.h"
- #include "tconsole.h"
- TMouse::TMouse(Tnclip &RefClipboard): Clipboard(RefClipboard) {
- hConsole = GetStdHandle(STD_INPUT_HANDLE);
- hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
- }
- TMouse::~TMouse() {
- }
- void TMouse::get_coords(COORD *start_coords, COORD *end_coords,
- COORD *first_coords, COORD *last_coords) {
- if(end_coords->Y < start_coords->Y ||
- (end_coords->Y == start_coords->Y && end_coords->X < start_coords->X))
- {
- *first_coords = *end_coords;
- *last_coords = *start_coords;
- } else {
- *first_coords = *start_coords;
- *last_coords = *end_coords;
- }
- last_coords->X++;
- }
- void TMouse::doMouse_init() {
- GetConsoleScreenBufferInfo(hStdout, &ConsoleInfo);
- chiBuffer = newBuffer();
- saveScreen(chiBuffer);
- }
- void TMouse::doMouse_cleanup() {
- restoreScreen(chiBuffer);
- delete[] chiBuffer;
- }
- void TMouse::move_mouse(COORD start_coords, COORD end_coords) {
- COORD screen_start = {0, 0};
- COORD first_coords, last_coords;
- DWORD Result;
- FillConsoleOutputAttribute(hStdout, normal,
- ConsoleInfo.dwSize.X * ConsoleInfo.dwSize.Y, screen_start, &Result);
-
- get_coords(&start_coords, &end_coords, &first_coords, &last_coords);
- FillConsoleOutputAttribute(hStdout, inverse, ConsoleInfo.dwSize.X *
- (last_coords.Y - first_coords.Y) + (last_coords.X - first_coords.X),
- first_coords, &Result);
- }
- void TMouse::doClip(COORD start_coords, COORD end_coords) {
- // COORD screen_start = {0, 0};
- COORD first_coords, last_coords;
- DWORD Result;
- get_coords(&start_coords, &end_coords, &first_coords, &last_coords);
- // Allocate the minimal size buffer
- int data_size = 3 + ConsoleInfo.dwSize.X *
- (last_coords.Y - first_coords.Y) + (last_coords.X - first_coords.X);
- HGLOBAL clipboard_data = GlobalAlloc(GMEM_MOVEABLE + GMEM_DDESHARE,
- data_size);
- LPVOID mem_ptr = GlobalLock(clipboard_data);
- // Reset data_size so we can count the actual data size
- data_size = 0;
- // Read the console, put carriage returns at the end of each line if
- // reading more than one line (Paul Brannan 9/17/98)
- for(int j = first_coords.Y; j <= last_coords.Y; j++) {
- // Read line at (0,j)
- COORD coords;
- coords.X = 0;
- coords.Y = j;
- int length = ConsoleInfo.dwSize.X;
- if(j == first_coords.Y) {
- coords.X = first_coords.X;
- length = ConsoleInfo.dwSize.X - first_coords.X;
- } else {
- // Add a carriage return to the end of the previous line
- *((char *)mem_ptr + data_size++) = 'r';
- *((char *)mem_ptr + data_size++) = 'n';
- }
- if(j == last_coords.Y) {
- length -= (ConsoleInfo.dwSize.X - last_coords.X);
- }
- // Read the next line
- ReadConsoleOutputCharacter(hStdout, (LPTSTR)((char *)mem_ptr +
- data_size), length, coords, &Result);
- data_size += Result;
- // Strip the spaces at the end of the line
- if((j != last_coords.Y) && (first_coords.Y != last_coords.Y))
- while(*((char *)mem_ptr + data_size - 1) == ' ') data_size--;
- }
- if(first_coords.Y != last_coords.Y) {
- // Add a carriage return to the end of the last line
- *((char *)mem_ptr + data_size++) = 'r';
- *((char *)mem_ptr + data_size++) = 'n';
- }
- *((char *)mem_ptr + data_size) = 0;
- GlobalUnlock(clipboard_data);
- Clipboard.Copy(clipboard_data);
- }
- void TMouse::doMouse() {
- INPUT_RECORD InputRecord;
- DWORD Result;
- InputRecord.EventType = KEY_EVENT; // just in case
- while(InputRecord.EventType != MOUSE_EVENT) {
- if (!ReadConsoleInput(hConsole, &InputRecord, 1, &Result))
- return; // uh oh! we don't know the starting coordinates!
- }
- if(InputRecord.Event.MouseEvent.dwButtonState == 0) return;
- if(!(InputRecord.Event.MouseEvent.dwButtonState &
- FROM_LEFT_1ST_BUTTON_PRESSED)) {
- Clipboard.Paste();
- return;
- }
- COORD screen_start = {0, 0};
- COORD start_coords = InputRecord.Event.MouseEvent.dwMousePosition;
- COORD end_coords = start_coords;
- BOOL done = FALSE;
-
- // init vars
- doMouse_init();
- int normal_bg = ini.get_normal_bg();
- int normal_fg = ini.get_normal_fg();
- if(normal_bg == -1) normal_bg = 0; // FIX ME!! This is just a hack
- if(normal_fg == -1) normal_fg = 7;
- normal = (normal_bg << 4) | normal_fg;
- inverse = (normal_fg << 4) | normal_bg;
- // make screen all one attribute
- FillConsoleOutputAttribute(hStdout, normal, ConsoleInfo.dwSize.X *
- ConsoleInfo.dwSize.Y, screen_start, &Result);
-
- while(!done) {
- switch (InputRecord.EventType) {
- case MOUSE_EVENT:
- switch(InputRecord.Event.MouseEvent.dwEventFlags) {
- case 0: // only copy if the mouse button has been released
- if(!InputRecord.Event.MouseEvent.dwButtonState) {
- doClip(start_coords, end_coords);
- done = TRUE;
- }
- break;
-
- case MOUSE_MOVED:
- end_coords = InputRecord.Event.MouseEvent.dwMousePosition;
- move_mouse(start_coords, end_coords);
- break;
- }
- break;
- // If we are changing focus, we don't want to highlight anything
- // (Paul Brannan 9/2/98)
- case FOCUS_EVENT:
- return;
- }
-
- WaitForSingleObject(hConsole, INFINITE);
- if (!ReadConsoleInput(hConsole, &InputRecord, 1, &Result))
- done = TRUE;
-
- }
- doMouse_cleanup();
- }
- void TMouse::scrollMouse() {
- doMouse();
- }