+++ /dev/null
-/*
- * Copyright (c) 1994 by Xerox Corporation. All rights reserved.
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program
- * for any purpose, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- */
-/* Boehm, February 6, 1995 12:29 pm PST */
-
-/*
- * The MS Windows specific part of de.
- * This started as the generic Windows application template
- * made available by Rob Haack (rhaack@polaris.unm.edu), but
- * significant parts didn't survive to the final version.
- *
- * This was written by a nonexpert windows programmer.
- */
-
-
-#include "windows.h"
-#include "gc.h"
-#include "cord.h"
-#include "de_cmds.h"
-#include "de_win.h"
-
-int LINES = 0;
-int COLS = 0;
-
-char szAppName[] = "DE";
-char FullAppName[] = "Demonstration Editor";
-
-HWND hwnd;
-
-void de_error(char *s)
-{
- MessageBox( hwnd, (LPSTR) s,
- (LPSTR) FullAppName,
- MB_ICONINFORMATION | MB_OK );
- InvalidateRect(hwnd, NULL, TRUE);
-}
-
-int APIENTRY WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- LPSTR command_line, int nCmdShow)
-{
- MSG msg;
- WNDCLASS wndclass;
- HANDLE hAccel;
-
- if (!hPrevInstance)
- {
- wndclass.style = CS_HREDRAW | CS_VREDRAW;
- wndclass.lpfnWndProc = WndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = DLGWINDOWEXTRA;
- wndclass.hInstance = hInstance;
- wndclass.hIcon = LoadIcon (hInstance, szAppName);
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
- wndclass.hbrBackground = GetStockObject(WHITE_BRUSH);
- wndclass.lpszMenuName = "DE";
- wndclass.lpszClassName = szAppName;
-
- if (RegisterClass (&wndclass) == 0) {
- char buf[50];
-
- sprintf(buf, "RegisterClass: error code: 0x%X", GetLastError());
- de_error(buf);
- return(0);
- }
- }
-
- /* Empirically, the command line does not include the command name ...
- if (command_line != 0) {
- while (isspace(*command_line)) command_line++;
- while (*command_line != 0 && !isspace(*command_line)) command_line++;
- while (isspace(*command_line)) command_line++;
- } */
-
- if (command_line == 0 || *command_line == 0) {
- de_error("File name argument required");
- return( 0 );
- } else {
- char *p = command_line;
-
- while (*p != 0 && !isspace(*p)) p++;
- arg_file_name = CORD_to_char_star(
- CORD_substr(command_line, 0, p - command_line));
- }
-
- hwnd = CreateWindow (szAppName,
- FullAppName,
- WS_OVERLAPPEDWINDOW | WS_CAPTION, /* Window style */
- CW_USEDEFAULT, 0, /* default pos. */
- CW_USEDEFAULT, 0, /* default width, height */
- NULL, /* No parent */
- NULL, /* Window class menu */
- hInstance, NULL);
- if (hwnd == NULL) {
- char buf[50];
-
- sprintf(buf, "CreateWindow: error code: 0x%X", GetLastError());
- de_error(buf);
- return(0);
- }
-
- ShowWindow (hwnd, nCmdShow);
-
- hAccel = LoadAccelerators( hInstance, szAppName );
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- if( !TranslateAccelerator( hwnd, hAccel, &msg ) )
- {
- TranslateMessage (&msg);
- DispatchMessage (&msg);
- }
- }
- return msg.wParam;
-}
-
-/* Return the argument with all control characters replaced by blanks. */
-char * plain_chars(char * text, size_t len)
-{
- char * result = GC_MALLOC_ATOMIC(len + 1);
- register size_t i;
-
- for (i = 0; i < len; i++) {
- if (iscntrl(text[i])) {
- result[i] = ' ';
- } else {
- result[i] = text[i];
- }
- }
- result[len] = '\0';
- return(result);
-}
-
-/* Return the argument with all non-control-characters replaced by */
-/* blank, and all control characters c replaced by c + 32. */
-char * control_chars(char * text, size_t len)
-{
- char * result = GC_MALLOC_ATOMIC(len + 1);
- register size_t i;
-
- for (i = 0; i < len; i++) {
- if (iscntrl(text[i])) {
- result[i] = text[i] + 0x40;
- } else {
- result[i] = ' ';
- }
- }
- result[len] = '\0';
- return(result);
-}
-
-int char_width;
-int char_height;
-
-void get_line_rect(int line, int win_width, RECT * rectp)
-{
- rectp -> top = line * char_height;
- rectp -> bottom = rectp->top + char_height;
- rectp -> left = 0;
- rectp -> right = win_width;
-}
-
-int caret_visible = 0; /* Caret is currently visible. */
-
-int screen_was_painted = 0;/* Screen has been painted at least once. */
-
-void update_cursor(void);
-
-LRESULT CALLBACK WndProc (HWND hwnd, UINT message,
- WPARAM wParam, LPARAM lParam)
-{
- static FARPROC lpfnAboutBox;
- static HANDLE hInstance;
- HDC dc;
- PAINTSTRUCT ps;
- RECT client_area;
- RECT this_line;
- RECT dummy;
- TEXTMETRIC tm;
- register int i;
- int id;
-
- switch (message)
- {
- case WM_CREATE:
- hInstance = ( (LPCREATESTRUCT) lParam)->hInstance;
- lpfnAboutBox = MakeProcInstance( (FARPROC) AboutBox, hInstance );
- dc = GetDC(hwnd);
- SelectObject(dc, GetStockObject(SYSTEM_FIXED_FONT));
- GetTextMetrics(dc, &tm);
- ReleaseDC(hwnd, dc);
- char_width = tm.tmAveCharWidth;
- char_height = tm.tmHeight + tm.tmExternalLeading;
- GetClientRect(hwnd, &client_area);
- COLS = (client_area.right - client_area.left)/char_width;
- LINES = (client_area.bottom - client_area.top)/char_height;
- generic_init();
- return(0);
-
- case WM_CHAR:
- if (wParam == QUIT) {
- SendMessage( hwnd, WM_CLOSE, 0, 0L );
- } else {
- do_command(wParam);
- }
- return(0);
-
- case WM_SETFOCUS:
- CreateCaret(hwnd, NULL, char_width, char_height);
- ShowCaret(hwnd);
- caret_visible = 1;
- update_cursor();
- return(0);
-
- case WM_KILLFOCUS:
- HideCaret(hwnd);
- DestroyCaret();
- caret_visible = 0;
- return(0);
-
- case WM_LBUTTONUP:
- {
- unsigned xpos = LOWORD(lParam); /* From left */
- unsigned ypos = HIWORD(lParam); /* from top */
-
- set_position( xpos/char_width, ypos/char_height );
- return(0);
- }
-
- case WM_COMMAND:
- id = LOWORD(wParam);
- if (id & EDIT_CMD_FLAG) {
- if (id & REPEAT_FLAG) do_command(REPEAT);
- do_command(CHAR_CMD(id));
- return( 0 );
- } else {
- switch(id) {
- case IDM_FILEEXIT:
- SendMessage( hwnd, WM_CLOSE, 0, 0L );
- return( 0 );
-
- case IDM_HELPABOUT:
- if( DialogBox( hInstance, "ABOUTBOX",
- hwnd, lpfnAboutBox ) );
- InvalidateRect( hwnd, NULL, TRUE );
- return( 0 );
- case IDM_HELPCONTENTS:
- de_error(
- "Cursor keys: ^B(left) ^F(right) ^P(up) ^N(down)\n"
- "Undo: ^U Write: ^W Quit:^D Repeat count: ^R[n]\n"
- "Top: ^T Locate (search, find): ^L text ^L\n");
- return( 0 );
- }
- }
- break;
-
- case WM_CLOSE:
- DestroyWindow( hwnd );
- return 0;
-
- case WM_DESTROY:
- PostQuitMessage (0);
- GC_win32_free_heap();
- return 0;
-
- case WM_PAINT:
- dc = BeginPaint(hwnd, &ps);
- GetClientRect(hwnd, &client_area);
- COLS = (client_area.right - client_area.left)/char_width;
- LINES = (client_area.bottom - client_area.top)/char_height;
- SelectObject(dc, GetStockObject(SYSTEM_FIXED_FONT));
- for (i = 0; i < LINES; i++) {
- get_line_rect(i, client_area.right, &this_line);
- if (IntersectRect(&dummy, &this_line, &ps.rcPaint)) {
- CORD raw_line = retrieve_screen_line(i);
- size_t len = CORD_len(raw_line);
- char * text = CORD_to_char_star(raw_line);
- /* May contain embedded NULLs */
- char * plain = plain_chars(text, len);
- char * blanks = CORD_to_char_star(CORD_chars(' ',
- COLS - len));
- char * control = control_chars(text, len);
-# define RED RGB(255,0,0)
-
- SetBkMode(dc, OPAQUE);
- SetTextColor(dc, GetSysColor(COLOR_WINDOWTEXT));
-
- TextOut(dc, this_line.left, this_line.top,
- plain, len);
- TextOut(dc, this_line.left + len * char_width, this_line.top,
- blanks, COLS - len);
- SetBkMode(dc, TRANSPARENT);
- SetTextColor(dc, RED);
- TextOut(dc, this_line.left, this_line.top,
- control, strlen(control));
- }
- }
- EndPaint(hwnd, &ps);
- screen_was_painted = 1;
- return 0;
- }
- return DefWindowProc (hwnd, message, wParam, lParam);
-}
-
-int last_col;
-int last_line;
-
-void move_cursor(int c, int l)
-{
- last_col = c;
- last_line = l;
-
- if (caret_visible) update_cursor();
-}
-
-void update_cursor(void)
-{
- SetCaretPos(last_col * char_width, last_line * char_height);
- ShowCaret(hwnd);
-}
-
-void invalidate_line(int i)
-{
- RECT line;
-
- if (!screen_was_painted) return;
- /* Invalidating a rectangle before painting seems result in a */
- /* major performance problem. */
- get_line_rect(i, COLS*char_width, &line);
- InvalidateRect(hwnd, &line, FALSE);
-}
-
-LRESULT CALLBACK AboutBox( HWND hDlg, UINT message,
- WPARAM wParam, LPARAM lParam )
-{
- switch( message )
- {
- case WM_INITDIALOG:
- SetFocus( GetDlgItem( hDlg, IDOK ) );
- break;
-
- case WM_COMMAND:
- switch( wParam )
- {
- case IDOK:
- EndDialog( hDlg, TRUE );
- break;
- }
- break;
-
- case WM_CLOSE:
- EndDialog( hDlg, TRUE );
- return TRUE;
-
- }
- return FALSE;
-}
-
projects / msp430-gcc.git / blobdiff