-/* $Id: macterm.c,v 1.1.2.31 1999/03/28 15:27:03 ben Exp $ */
+/* $Id: macterm.c,v 1.1.2.32 1999/03/29 19:50:23 ben Exp $ */
/*
* Copyright (c) 1999 Simon Tatham
* Copyright (c) 1999 Ben Harris
#define CURSOR_BG 22
#define CURSOR_BG_BOLD 23
-#define PTOCC(x) ((x) < 0 ? -(-(x - font_width - 1) / font_width) : \
- (x) / font_width)
-#define PTOCR(y) ((y) < 0 ? -(-(y - font_height - 1) / font_height) : \
- (y) / font_height)
-
-struct mac_session {
- short fontnum;
- int font_ascent;
- int font_leading;
- WindowPtr window;
- PaletteHandle palette;
- ControlHandle scrollbar;
- WCTabHandle wctab;
-};
+#define PTOCC(x) ((x) < 0 ? -(-(x - s->font_width - 1) / s->font_width) : \
+ (x) / s->font_width)
+#define PTOCR(y) ((y) < 0 ? -(-(y - s->font_height - 1) / s->font_height) : \
+ (y) / s->font_height)
-static void mac_initfont(struct mac_session *);
-static void mac_initpalette(struct mac_session *);
-static void mac_adjustwinbg(struct mac_session *);
-static void mac_adjustsize(struct mac_session *, int, int);
-static void mac_drawgrowicon(struct mac_session *s);
+static void mac_initfont(Session *);
+static void mac_initpalette(Session *);
+static void mac_adjustwinbg(Session *);
+static void mac_adjustsize(Session *, int, int);
+static void mac_drawgrowicon(Session *s);
static pascal void mac_scrolltracker(ControlHandle, short);
static pascal void do_text_for_device(short, short, GDHandle, long);
static pascal void mac_set_attr_mask(short, short, GDHandle, long);
-static int mac_keytrans(struct mac_session *, EventRecord *, unsigned char *);
-static void text_click(struct mac_session *, EventRecord *);
+static int mac_keytrans(Session *, EventRecord *, unsigned char *);
+static void text_click(Session *, EventRecord *);
#if TARGET_RT_MAC_CFM
static RoutineDescriptor mac_scrolltracker_upp =
* sessions
*/
-static struct mac_session *onlysession;
-
-static void inbuf_putc(int c) {
- inbuf[inbuf_head] = c;
- inbuf_head = (inbuf_head+1) & INBUF_MASK;
+static void inbuf_putc(Session *s, int c) {
+ s->inbuf[s->inbuf_head] = c;
+ s->inbuf_head = (s->inbuf_head+1) & INBUF_MASK;
}
-static void inbuf_putstr(const char *c) {
+static void inbuf_putstr(Session *s, const char *c) {
while (*c)
- inbuf_putc(*c++);
+ inbuf_putc(s, *c++);
}
-static void display_resource(unsigned long type, short id) {
+static void display_resource(Session *s, unsigned long type, short id) {
Handle h;
int len, i;
char *t;
t = *h;
len = GetResourceSizeOnDisk(h);
for (i = 0; i < len; i++) {
- inbuf_putc(t[i]);
- term_out();
+ inbuf_putc(s, t[i]);
+ term_out(s);
}
SetResAttrs(h, GetResAttrs(h) & ~resLocked);
ReleaseResource(h);
void mac_newsession(void) {
- struct mac_session *s;
+ Session *s;
UInt32 starttime;
char msg[128];
/* This should obviously be initialised by other means */
- mac_loadconfig(&cfg);
- back = &hexdump_backend;
s = smalloc(sizeof(*s));
memset(s, 0, sizeof(*s));
- onlysession = s;
+ mac_loadconfig(&s->cfg);
+ s->back = &hexdump_backend;
/* XXX: Own storage management? */
if (mac_gestalts.qdvers == gestaltOriginalQD)
s->window = GetNewCWindow(wTerminal, NULL, (WindowPtr)-1);
SetWRefCon(s->window, (long)s);
s->scrollbar = GetNewControl(cVScroll, s->window);
- term_init();
- term_size(cfg.height, cfg.width, cfg.savelines);
+ term_init(s);
+ term_size(s, s->cfg.height, s->cfg.width, s->cfg.savelines);
mac_initfont(s);
mac_initpalette(s);
- attr_mask = ATTR_MASK;
+ s->attr_mask = ATTR_MASK;
/* Set to FALSE to not get palette updates in the background. */
SetPalette(s->window, s->palette, TRUE);
ActivatePalette(s->window);
ShowWindow(s->window);
starttime = TickCount();
- display_resource('pTST', 128);
+ display_resource(s, 'pTST', 128);
sprintf(msg, "Elapsed ticks: %d\015\012", TickCount() - starttime);
- inbuf_putstr(msg);
- term_out();
+ inbuf_putstr(s, msg);
+ term_out(s);
}
-static void mac_initfont(struct mac_session *s) {
+static void mac_initfont(Session *s) {
Str255 macfont;
FontInfo fi;
SetPort(s->window);
- macfont[0] = sprintf((char *)&macfont[1], "%s", cfg.font);
+ macfont[0] = sprintf((char *)&macfont[1], "%s", s->cfg.font);
GetFNum(macfont, &s->fontnum);
TextFont(s->fontnum);
- TextFace(cfg.fontisbold ? bold : 0);
- TextSize(cfg.fontheight);
+ TextFace(s->cfg.fontisbold ? bold : 0);
+ TextSize(s->cfg.fontheight);
GetFontInfo(&fi);
- font_width = CharWidth('W'); /* Well, it's what NCSA uses. */
+ s->font_width = CharWidth('W'); /* Well, it's what NCSA uses. */
s->font_ascent = fi.ascent;
s->font_leading = fi.leading;
- font_height = s->font_ascent + fi.descent + s->font_leading;
- mac_adjustsize(s, rows, cols);
+ s->font_height = s->font_ascent + fi.descent + s->font_leading;
+ mac_adjustsize(s, s->rows, s->cols);
}
/*
* It's assumed the terminal emulator will be informed, and will set rows
* and cols for us.
*/
-static void mac_adjustsize(struct mac_session *s, int newrows, int newcols) {
+static void mac_adjustsize(Session *s, int newrows, int newcols) {
int winwidth, winheight;
- winwidth = newcols * font_width + 15;
- winheight = newrows * font_height;
+ winwidth = newcols * s->font_width + 15;
+ winheight = newrows * s->font_height;
SizeWindow(s->window, winwidth, winheight, true);
HideControl(s->scrollbar);
MoveControl(s->scrollbar, winwidth - 15, -1);
ShowControl(s->scrollbar);
}
-static void mac_initpalette(struct mac_session *s) {
+static void mac_initpalette(Session *s) {
if (mac_gestalts.qdvers == gestaltOriginalQD)
return;
- s->palette = NewPalette((*cfg.colours)->pmEntries, NULL, pmCourteous, 0);
+ s->palette = NewPalette((*s->cfg.colours)->pmEntries,
+ NULL, pmCourteous, 0);
if (s->palette == NULL)
fatalbox("Unable to create palette");
- CopyPalette(cfg.colours, s->palette, 0, 0, (*cfg.colours)->pmEntries);
+ CopyPalette(s->cfg.colours, s->palette, 0, 0,
+ (*s->cfg.colours)->pmEntries);
mac_adjustwinbg(s);
}
* Set the background colour of the window correctly. Should be
* called whenever the default background changes.
*/
-static void mac_adjustwinbg(struct mac_session *s) {
+static void mac_adjustwinbg(Session *s) {
-#if 0 /* XXX doesn't link (at least for 68k) */
+#if TARGET_RT_CFM /* XXX doesn't link (at least for 68k) */
if (mac_gestalts.windattr & gestaltWindowMgrPresent)
SetWindowContentColor(s->window,
&(*s->palette)->pmInfo[DEFAULT_BG].ciRGB);
* Set the cursor shape correctly
*/
void mac_adjusttermcursor(WindowPtr window, Point mouse, RgnHandle cursrgn) {
- struct mac_session *s;
+ Session *s;
ControlHandle control;
short part;
int x, y;
SetPort(window);
- s = (struct mac_session *)GetWRefCon(window);
+ s = (Session *)GetWRefCon(window);
GlobalToLocal(&mouse);
part = FindControl(mouse, window, &control);
if (control == s->scrollbar) {
RectRgn(cursrgn, &(*s->scrollbar)->contrlRect);
SectRgn(cursrgn, window->visRgn, cursrgn);
} else {
- x = mouse.h / font_width;
- y = mouse.v / font_height;
+ x = mouse.h / s->font_width;
+ y = mouse.v / s->font_height;
SetCursor(*GetCursor(iBeamCursor));
/* Ask for shape changes if we leave this character cell. */
- SetRectRgn(cursrgn, x * font_width, y * font_height,
- (x + 1) * font_width, (y + 1) * font_height);
+ SetRectRgn(cursrgn, x * s->font_width, y * s->font_height,
+ (x + 1) * s->font_width, (y + 1) * s->font_height);
SectRgn(cursrgn, window->visRgn, cursrgn);
}
}
* Enable/disable menu items based on the active terminal window.
*/
void mac_adjusttermmenus(WindowPtr window) {
- struct mac_session *s;
+ Session *s;
MenuHandle menu;
long offset;
- s = (struct mac_session *)GetWRefCon(window);
+ s = (Session *)GetWRefCon(window);
menu = GetMenuHandle(mEdit);
EnableItem(menu, 0);
DisableItem(menu, iUndo);
DisableItem(menu, iCut);
- if (term_hasselection())
+ if (term_hasselection(s))
EnableItem(menu, iCopy);
else
DisableItem(menu, iCopy);
}
void mac_menuterm(WindowPtr window, short menu, short item) {
- struct mac_session *s;
+ Session *s;
- s = (struct mac_session *)GetWRefCon(window);
+ s = (Session *)GetWRefCon(window);
switch (menu) {
case mEdit:
switch (item) {
case iCopy:
- term_copy();
+ term_copy(s);
break;
case iPaste:
- term_paste();
+ term_paste(s);
break;
}
}
}
void mac_clickterm(WindowPtr window, EventRecord *event) {
- struct mac_session *s;
+ Session *s;
Point mouse;
ControlHandle control;
int part;
- s = (struct mac_session *)GetWRefCon(window);
+ s = (Session *)GetWRefCon(window);
SetPort(window);
mouse = event->where;
GlobalToLocal(&mouse);
switch (part) {
case kControlIndicatorPart:
if (TrackControl(control, mouse, NULL) == kControlIndicatorPart)
- term_scroll(+1, GetControlValue(control));
+ term_scroll(s, +1, GetControlValue(control));
break;
case kControlUpButtonPart:
case kControlDownButtonPart:
}
}
-static void text_click(struct mac_session *s, EventRecord *event) {
+static void text_click(Session *s, EventRecord *event) {
Point localwhere;
int row, col;
static UInt32 lastwhen = 0;
- static struct mac_session *lastsess = NULL;
+ static Session *lastsess = NULL;
static int lastrow = -1, lastcol = -1;
static Mouse_Action lastact = MA_NOTHING;
lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
else
lastact = MA_CLICK;
- term_mouse(event->modifiers & shiftKey ? MB_EXTEND : MB_SELECT, lastact,
+ term_mouse(s, event->modifiers & shiftKey ? MB_EXTEND : MB_SELECT, lastact,
col, row);
lastsess = s;
lastrow = row;
GetMouse(&localwhere);
col = PTOCC(localwhere.h);
row = PTOCR(localwhere.v);
- term_mouse(event->modifiers & shiftKey ? MB_EXTEND : MB_SELECT,
+ term_mouse(s, event->modifiers & shiftKey ? MB_EXTEND : MB_SELECT,
MA_DRAG, col, row);
- if (row > rows - 1)
- term_scroll(0, row - (rows - 1));
+ if (row > s->rows - 1)
+ term_scroll(s, 0, row - (s->rows - 1));
else if (row < 0)
- term_scroll(0, row);
+ term_scroll(s, 0, row);
}
- term_mouse(event->modifiers & shiftKey ? MB_EXTEND : MB_SELECT, MA_RELEASE,
- col, row);
+ term_mouse(s, event->modifiers & shiftKey ? MB_EXTEND : MB_SELECT,
+ MA_RELEASE, col, row);
lastwhen = TickCount();
}
}
static pascal void mac_scrolltracker(ControlHandle control, short part) {
- struct mac_session *s;
+ Session *s;
- s = (struct mac_session *)GetWRefCon((*control)->contrlOwner);
+ s = (Session *)GetWRefCon((*control)->contrlOwner);
switch (part) {
case kControlUpButtonPart:
- term_scroll(0, -1);
+ term_scroll(s, 0, -1);
break;
case kControlDownButtonPart:
- term_scroll(0, +1);
+ term_scroll(s, 0, +1);
break;
case kControlPageUpPart:
- term_scroll(0, -(rows - 1));
+ term_scroll(s, 0, -(s->rows - 1));
break;
case kControlPageDownPart:
- term_scroll(0, +(rows - 1));
+ term_scroll(s, 0, +(s->rows - 1));
break;
}
}
void mac_keyterm(WindowPtr window, EventRecord *event) {
unsigned char buf[20];
int len;
- struct mac_session *s;
+ Session *s;
- s = (struct mac_session *)GetWRefCon(window);
+ s = (Session *)GetWRefCon(window);
len = mac_keytrans(s, event, buf);
- back->send((char *)buf, len);
+ s->back->send(s, (char *)buf, len);
}
static UInt32 mac_rekey(EventModifiers newmodifiers, UInt32 oldmessage) {
}
-static int mac_keytrans(struct mac_session *s, EventRecord *event,
+static int mac_keytrans(Session *s, EventRecord *event,
unsigned char *output) {
unsigned char *p = output;
int code;
/* Check if the meta "key" was held down */
- if ((event->modifiers & cfg.meta_modifiers) == cfg.meta_modifiers) {
+ if ((event->modifiers & s->cfg.meta_modifiers) == s->cfg.meta_modifiers) {
*p++ = '\033';
- event->modifiers &= ~cfg.meta_modifiers;
+ event->modifiers &= ~s->cfg.meta_modifiers;
event->message = mac_rekey(event->modifiers, event->message);
}
if (event->modifiers & shiftKey) {
switch (event->message & keyCodeMask) {
case K_PRIOR: /* shift-pageup */
- term_scroll(0, -(rows - 1));
+ term_scroll(s, 0, -(s->rows - 1));
return 0;
case K_NEXT: /* shift-pagedown */
- term_scroll(0, +(rows - 1));
+ term_scroll(s, 0, +(s->rows - 1));
return 0;
}
}
case K_PRIOR: code = 5; break;
case K_NEXT: code = 6; break;
}
- if (cfg.linux_funkeys && code >= 11 && code <= 15) {
+ if (s->cfg.linux_funkeys && code >= 11 && code <= 15) {
p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
return p - output;
}
- if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
+ if (s->cfg.rxvt_homeend && (code == 1 || code == 4)) {
p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
return p - output;
}
return p - output;
}
- if (app_keypad_keys) {
+ if (s->app_keypad_keys) {
switch (event->message & keyCodeMask) {
case KP_ENTER: p += sprintf((char *)p, "\x1BOM"); return p - output;
case KP_CLEAR: p += sprintf((char *)p, "\x1BOP"); return p - output;
switch (event->message & keyCodeMask) {
case K_UP:
- p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
+ p += sprintf((char *)p, s->app_cursor_keys ? "\x1BOA" : "\x1B[A");
return p - output;
case K_DOWN:
- p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
+ p += sprintf((char *)p, s->app_cursor_keys ? "\x1BOB" : "\x1B[B");
return p - output;
case K_RIGHT:
- p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
+ p += sprintf((char *)p, s->app_cursor_keys ? "\x1BOC" : "\x1B[C");
return p - output;
case K_LEFT:
- p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
+ p += sprintf((char *)p, s->app_cursor_keys ? "\x1BOD" : "\x1B[D");
return p - output;
case KP_ENTER:
*p++ = 0x0d;
return p - output;
case K_BS:
- *p++ = (cfg.bksp_is_delete ? 0x7f : 0x08);
+ *p++ = (s->cfg.bksp_is_delete ? 0x7f : 0x08);
return p - output;
default:
*p++ = event->message & charCodeMask;
Rect limits;
long grow_result;
int newrows, newcols;
- struct mac_session *s;
+ Session *s;
- s = (struct mac_session *)GetWRefCon(window);
- SetRect(&limits, font_width + 15, font_height, SHRT_MAX, SHRT_MAX);
+ s = (Session *)GetWRefCon(window);
+ SetRect(&limits, s->font_width + 15, s->font_height, SHRT_MAX, SHRT_MAX);
grow_result = GrowWindow(window, event->where, &limits);
if (grow_result != 0) {
- newrows = HiWord(grow_result) / font_height;
- newcols = (LoWord(grow_result) - 15) / font_width;
+ newrows = HiWord(grow_result) / s->font_height;
+ newcols = (LoWord(grow_result) - 15) / s->font_width;
mac_adjustsize(s, newrows, newcols);
- term_size(newrows, newcols, cfg.savelines);
+ term_size(s, newrows, newcols, s->cfg.savelines);
}
}
void mac_activateterm(WindowPtr window, Boolean active) {
- struct mac_session *s;
+ Session *s;
- s = (struct mac_session *)GetWRefCon(window);
- has_focus = active;
- term_update();
+ s = (Session *)GetWRefCon(window);
+ s->has_focus = active;
+ term_update(s);
if (active)
ShowControl(s->scrollbar);
else {
}
void mac_updateterm(WindowPtr window) {
- struct mac_session *s;
+ Session *s;
- s = (struct mac_session *)GetWRefCon(window);
+ s = (Session *)GetWRefCon(window);
+ SetPort(window);
BeginUpdate(window);
- get_ctx();
+ pre_paint(s);
term_paint(s,
(*window->visRgn)->rgnBBox.left,
(*window->visRgn)->rgnBBox.top,
EraseRect(&(*s->scrollbar)->contrlRect);
UpdateControls(window, window->visRgn);
mac_drawgrowicon(s);
- free_ctx(NULL);
+ post_paint(s);
EndUpdate(window);
}
-static void mac_drawgrowicon(struct mac_session *s) {
+static void mac_drawgrowicon(Session *s) {
Rect clip;
SetPort(s->window);
}
struct do_text_args {
- struct mac_session *s;
+ Session *s;
Rect textrect;
Rect leadrect;
char *text;
*
* x and y are text row and column (zero-based)
*/
-void do_text(struct mac_session *s, int x, int y, char *text, int len,
+void do_text(Session *s, int x, int y, char *text, int len,
unsigned long attr) {
int style = 0;
struct do_text_args a;
SetPort(s->window);
/* First check this text is relevant */
- a.textrect.top = y * font_height;
- a.textrect.bottom = (y + 1) * font_height;
- a.textrect.left = x * font_width;
- a.textrect.right = (x + len) * font_width;
+ a.textrect.top = y * s->font_height;
+ a.textrect.bottom = (y + 1) * s->font_height;
+ a.textrect.left = x * s->font_width;
+ a.textrect.right = (x + len) * s->font_width;
if (!RectInRgn(&a.textrect, s->window->visRgn))
return;
SetRect(&a.leadrect, 0, 0, 0, 0);
SetPort(s->window);
TextFont(s->fontnum);
- if (cfg.fontisbold || (attr & ATTR_BOLD) && !cfg.bold_colour)
+ if (s->cfg.fontisbold || (attr & ATTR_BOLD) && !s->cfg.bold_colour)
style |= bold;
if (attr & ATTR_UNDER)
style |= underline;
TextFace(style);
- TextSize(cfg.fontheight);
+ TextSize(s->cfg.fontheight);
SetFractEnable(FALSE); /* We want characters on pixel boundaries */
textrgn = NewRgn();
RectRgn(textrgn, &a.textrect);
a = (struct do_text_args *)cookie;
- bright = (a->attr & ATTR_BOLD) && cfg.bold_colour;
+ bright = (a->attr & ATTR_BOLD) && a->s->cfg.bold_colour;
TextMode(a->attr & ATTR_REVERSE ? notSrcCopy : srcCopy);
* Call from the terminal emulator to get its graphics context.
* Should probably be called start_redraw or something.
*/
-struct mac_session *get_ctx(void) {
- struct mac_session *s = onlysession;
+void pre_paint(Session *s) {
- attr_mask = ATTR_INVALID;
+ s->attr_mask = ATTR_INVALID;
DeviceLoop(s->window->visRgn, &mac_set_attr_mask_upp, (long)s, 0);
- return s;
}
static pascal void mac_set_attr_mask(short depth, short devflags,
GDHandle device, long cookie) {
+ Session *s = (Session *)cookie;
+
switch (depth) {
default:
- attr_mask |= ATTR_FGMASK | ATTR_BGMASK;
+ s->attr_mask |= ATTR_FGMASK | ATTR_BGMASK;
/* FALLTHROUGH */
case 2:
- attr_mask |= ATTR_BOLD;
+ s->attr_mask |= ATTR_BOLD;
/* FALLTHROUGH */
case 1:
- attr_mask |= ATTR_UNDER | ATTR_REVERSE | ATTR_ACTCURS |
+ s->attr_mask |= ATTR_UNDER | ATTR_REVERSE | ATTR_ACTCURS |
ATTR_PASCURS | ATTR_ASCII | ATTR_GBCHR | ATTR_LINEDRW |
- (cfg.bold_colour ? 0 : ATTR_BOLD);
+ (s->cfg.bold_colour ? 0 : ATTR_BOLD);
break;
}
}
/*
* Presumably this does something in Windows
*/
-void free_ctx(struct mac_session *ctx) {
+void post_paint(Session *s) {
}
* start is the line number of the top of the display
* page is the length of the displayed page
*/
-void set_sbar(int total, int start, int page) {
- struct mac_session *s = onlysession;
+void set_sbar(Session *s, int total, int start, int page) {
/* We don't redraw until we've set everything up, to avoid glitches */
(*s->scrollbar)->contrlMin = 0;
(*s->scrollbar)->contrlMax = total - page;
SetControlValue(s->scrollbar, start);
-#if 0
+#if TARGET_RT_CFM
/* XXX: This doesn't link for me. */
if (mac_gestalts.cntlattr & gestaltControlMgrPresent)
SetControlViewSize(s->scrollbar, page);
/*
* Beep
*/
-void beep(void) {
+void beep(Session *s) {
SysBeep(30);
/*
/*
* Set icon string -- a no-op here (Windowshade?)
*/
-void set_icon(char *icon) {
+void set_icon(Session *s, char *icon) {
}
/*
* Set the window title
*/
-void set_title(char *title) {
+void set_title(Session *s, char *title) {
Str255 mactitle;
- struct mac_session *s = onlysession;
mactitle[0] = sprintf((char *)&mactitle[1], "%s", title);
SetWTitle(s->window, mactitle);
/*
* Resize the window at the emulator's request
*/
-void request_resize(int w, int h) {
+void request_resize(Session *s, int w, int h) {
- cols = w;
- rows = h;
- mac_initfont(onlysession);
+ s->cols = w;
+ s->rows = h;
+ mac_initfont(s);
}
/*
* Set the logical palette
*/
-void palette_set(int n, int r, int g, int b) {
+void palette_set(Session *s, int n, int r, int g, int b) {
RGBColor col;
- struct mac_session *s = onlysession;
static const int first[21] = {
0, 2, 4, 6, 8, 10, 12, 14,
1, 3, 5, 7, 9, 11, 13, 15,
/*
* Reset to the default palette
*/
-void palette_reset(void) {
- struct mac_session *s = onlysession;
+void palette_reset(Session *s) {
if (mac_gestalts.qdvers == gestaltOriginalQD)
return;
- CopyPalette(cfg.colours, s->palette, 0, 0, (*cfg.colours)->pmEntries);
+ CopyPalette(s->cfg.colours, s->palette, 0, 0,
+ (*s->cfg.colours)->pmEntries);
mac_adjustwinbg(s);
ActivatePalette(s->window);
/* Palette Manager will generate update events as required. */
* Scroll the screen. (`lines' is +ve for scrolling forward, -ve
* for backward.)
*/
-void do_scroll(int topline, int botline, int lines) {
- struct mac_session *s = onlysession;
+void do_scroll(Session *s, int topline, int botline, int lines) {
Rect r;
RgnHandle update;
SetPort(s->window);
PmBackColor(DEFAULT_BG);
update = NewRgn();
- SetRect(&r, 0, topline * font_height,
- cols * font_width, (botline + 1) * font_height);
- ScrollRect(&r, 0, - lines * font_height, update);
+ SetRect(&r, 0, topline * s->font_height,
+ s->cols * s->font_width, (botline + 1) * s->font_height);
+ ScrollRect(&r, 0, - lines * s->font_height, update);
/* XXX: move update region? */
InvalRgn(update);
DisposeRgn(update);
#ifdef macintosh
#include <MacTypes.h>
#include <Palettes.h>
+#include <Controls.h>
+#include <Windows.h>
typedef UInt32 DWORD;
struct mac_session;
#endif /* macintosh */
#define GLOBAL extern
#endif
-GLOBAL unsigned long attr_mask;
-
-GLOBAL int rows, cols, savelines;
-
-GLOBAL int font_width, font_height;
-
#define INBUF_SIZE 2048
#define INBUF_MASK (INBUF_SIZE-1)
-GLOBAL unsigned char inbuf[INBUF_SIZE];
-GLOBAL int inbuf_head, inbuf_reap;
#define OUTBUF_SIZE 2048
#define OUTBUF_MASK (OUTBUF_SIZE-1)
-GLOBAL unsigned char outbuf[OUTBUF_SIZE];
-GLOBAL int outbuf_head, outbuf_reap;
-
-GLOBAL int has_focus;
-
-GLOBAL int app_cursor_keys, app_keypad_keys;
#define WM_NETEVENT (WM_USER + 1)
VT_XWINDOWS, VT_OEMANSI, VT_OEMONLY, VT_POORMAN
} VT_Mode;
+typedef struct Session Session;
+
typedef struct {
#ifdef macintosh
- char *(*init) (char *host, int port, char **realhost);
- int (*msg)(void);
+ char *(*init) (Session *, char *host, int port, char **realhost);
+ int (*msg)(Session *);
#else /* not macintosh */
char *(*init) (HWND hwnd, char *host, int port, char **realhost);
int (*msg) (WPARAM wParam, LPARAM lParam);
#endif /* not macintosh */
- void (*send) (char *buf, int len);
- void (*size) (void);
- void (*special) (Telnet_Special code);
+ void (*send) (Session *, char *buf, int len);
+ void (*size) (Session *);
+ void (*special) (Session *, Telnet_Special code);
} Backend;
-GLOBAL Backend *back;
-
typedef struct {
/* Basic options */
char host[512];
short wordness[256];
} Config;
-GLOBAL Config cfg;
-
typedef struct {
+ /* Display buffers and pointers within them */
+ unsigned long *text; /* buffer of text on terminal screen */
+ unsigned long *scrtop; /* top of working screen */
+ unsigned long *disptop; /* top of displayed screen */
+ unsigned long *sbtop; /* top of scrollback */
+ unsigned long *cpos; /* cursor position (convenience) */
+ unsigned long *disptext; /* buffer of text on real screen */
+ unsigned long *wanttext; /* buffer of text we want on screen */
+ unsigned long *alttext; /* buffer of text on alt. screen */
+ unsigned char *selspace; /* buffer for building selections in */
+
+ /* Current state */
+ unsigned long curr_attr;
+ int curs_x, curs_y; /* cursor */
+ int cset; /* 0 or 1: which char set is in GL */
+ unsigned long cset_attr[2]; /* G0 and G1 char sets */
+
+ /* Saved state */
+ unsigned long save_attr;
+ int save_x, save_y; /* saved cursor position */
+ int save_cset, save_csattr; /* saved with cursor position */
+
+ int marg_t, marg_b; /* scroll margins */
+
+ /* Flags */
+ int dec_om; /* DEC origin mode flag */
+ int wrap, wrapnext; /* wrap flags */
+ int insert; /* insert-mode flag */
+ int rvideo; /* global reverse video flag */
+
+ /*
+ * Saved settings on the alternate screen.
+ */
+ int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset;
+ int alt_t, alt_b;
+ int alt_which;
+
+ /* Escape sequence handler state */
+#define ARGS_MAX 32 /* max # of esc sequence arguments */
+ int esc_args[ARGS_MAX];
+ int esc_nargs;
+ int esc_query;
+#define OSC_STR_MAX 2048
+ int osc_strlen;
+ char osc_string[OSC_STR_MAX+1];
+ int osc_w;
+
+ unsigned char *tabs;
+ int nl_count;
+
+ enum {
+ TOPLEVEL, IGNORE_NEXT,
+ SEEN_ESC, SEEN_CSI, SET_GL, SET_GR,
+ SEEN_OSC, SEEN_OSC_P, SEEN_OSC_W, OSC_STRING, OSC_MAYBE_ST,
+ SEEN_ESCHASH
+ } termstate;
+
+ enum {
+ NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED
+ } selstate;
+ enum {
+ SM_CHAR, SM_WORD, SM_LINE
+ } selmode;
+ unsigned long *selstart, *selend, *selanchor;
+ short wordness[256];
+} Term_State;
+
+typedef struct Session {
+ /* Config that created this session */
+ Config cfg;
+ /* Terminal emulator internal state */
+ Term_State ts;
/* Display state */
int rows, cols, savelines;
int font_width, font_height;
int app_cursor_keys, app_keypad_keys;
/* Backend */
Backend *back;
- /* Config that created this session */
- Config cfg;
+ /* Conveniences */
+ unsigned long attr_mask; /* Mask of attributes to display */
+#ifdef macintosh
+ short fontnum;
+ int font_ascent;
+ int font_leading;
+ WindowPtr window;
+ PaletteHandle palette;
+ ControlHandle scrollbar;
+ WCTabHandle wctab;
+#endif
} Session;
/*
- * Exports from window.c.
+ * Exports from display system
*/
-void request_resize (int, int);
-void do_text (Context, int, int, char *, int, unsigned long);
-void set_title (char *);
-void set_icon (char *);
-void set_sbar (int, int, int);
-Context get_ctx();
-void free_ctx (Context);
-void palette_set (int, int, int, int);
-void palette_reset (void);
+extern void request_resize(Session *, int, int);
+extern void do_text(Session *, int, int, char *, int, unsigned long);
+extern void set_title(Session *, char *);
+extern void set_icon(Session *, char *);
+extern void set_sbar(Session *, int, int, int);
+extern void pre_paint(Session *);
+extern void post_paint(Session *);
+extern void palette_set(Session *, int, int, int, int);
+extern void palette_reset(Session *);
void write_clip (void *, int);
void get_clip (void **, int *);
-void optimised_move (int, int, int);
-void do_scroll(int, int, int);
+extern void do_scroll(Session *, int, int, int);
void fatalbox (const char *, ...);
#ifdef macintosh
#pragma noreturn (fatalbox)
#endif
-void beep (void);
+extern void beep (Session *s);
#define OPTIMISE_IS_SCROLL 1
/*
* Exports from terminal.c.
*/
-void term_init (void);
-void term_size (int, int, int);
-void term_out (void);
-void term_paint (Context, int, int, int, int);
-void term_scroll (int, int);
-void term_pwron (void);
-void term_clrsb (void);
-void term_mouse (Mouse_Button, Mouse_Action, int, int);
-void term_copy(void);
-void term_paste(void);
-int term_hasselection(void);
-void term_deselect (void);
-void term_update (void);
-void term_invalidate(void);
+extern void term_init(Session *);
+extern void term_size(Session *, int, int, int);
+extern void term_out(Session *);
+extern void term_paint(Session *, int, int, int, int);
+extern void term_scroll(Session *, int, int);
+extern void term_pwron(Session *);
+extern void term_clrsb(Session *);
+extern void term_mouse(Session *, Mouse_Button, Mouse_Action, int, int);
+extern void term_copy(Session *);
+extern void term_paste(Session *);
+extern int term_hasselection(Session *);
+extern void term_deselect (Session *);
+extern void term_update (Session *);
+extern void term_invalidate(Session *);
/*
* Exports from telnet.c.
#include <string.h>
#include "putty.h"
-static unsigned long *text; /* buffer of text on terminal screen */
-static unsigned long *scrtop; /* top of working screen */
-static unsigned long *disptop; /* top of displayed screen */
-static unsigned long *sbtop; /* top of scrollback */
-static unsigned long *cpos; /* cursor position (convenience) */
-static unsigned long *disptext; /* buffer of text on real screen */
-static unsigned long *wanttext; /* buffer of text we want on screen */
-static unsigned long *alttext; /* buffer of text on alt. screen */
-
-static unsigned char *selspace; /* buffer for building selections in */
+#define cfg (s->cfg)
+#define back (s->back)
+#define rows (s->rows)
+#define cols (s->cols)
+#define savelines (s->savelines)
+#define font_width (s->font_width)
+#define font_height (s->font_height)
+#define has_focus (s->has_focus)
+#define inbuf (s->inbuf)
+#define inbuf_head (s->inbuf_head)
+#define inbuf_reap (s->inbuf_reap)
+#define app_cursor_keys (s->app_cursor_keys)
+#define app_keypad_keys (s->app_keypad_keys)
+#define attr_mask (s->attr_mask)
+
+#define text s->ts.text
+#define scrtop s->ts.scrtop
+#define disptop s->ts.disptop
+#define sbtop s->ts.sbtop
+#define cpos s->ts.cpos
+#define disptext s->ts.disptext
+#define wanttext s->ts.wanttext
+#define alttext s->ts.alttext
+
+#define selspace s->ts.selspace
#define TSIZE (sizeof(*text))
#define fix_cpos do { cpos = scrtop + curs_y * (cols+1) + curs_x; } while(0)
-static unsigned long curr_attr, save_attr;
-
-static int curs_x, curs_y; /* cursor */
-static int save_x, save_y; /* saved cursor position */
-static int marg_t, marg_b; /* scroll margins */
-static int dec_om; /* DEC origin mode flag */
-static int wrap, wrapnext; /* wrap flags */
-static int insert; /* insert-mode flag */
-static int cset; /* 0 or 1: which char set */
-static int save_cset, save_csattr; /* saved with cursor position */
-static int rvideo; /* global reverse video flag */
-
-static unsigned long cset_attr[2];
+#define curr_attr s->ts.curr_attr
+#define save_attr s->ts.save_attr
+
+#define curs_x s->ts.curs_x
+#define curs_y s->ts.curs_y
+#define save_x s->ts.save_x
+#define save_y s->ts.save_y
+#define marg_t s->ts.marg_t
+#define marg_b s->ts.marg_b
+#define curr_dec_om s->ts.dec_om
+#define wrap s->ts.wrap
+#define wrapnext s->ts.wrapnext
+#define insert s->ts.insert
+#define cset s->ts.cset
+#define save_cset s->ts.save_cset
+#define save_csattr s->ts.save_csattr
+#define rvideo s->ts.rvideo
+#define cset_attr s->ts.cset_attr
+
+#define alt_x s->ts.alt_x
+#define alt_y s->ts.alt_y
+#define alt_om s->ts.alt_om
+#define alt_wrap s->ts.alt_wrap
+#define alt_wnext s->ts.alt_wnext
+#define alt_ins s->ts.alt_ins
+#define alt_cset s->ts.alt_cset
+#define alt_t s->ts.alt_t
+#define alt_b s->ts.alt_b
+#define alt_which s->ts.alt_which
-/*
- * Saved settings on the alternate screen.
- */
-static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset;
-static int alt_t, alt_b;
-static int alt_which;
-
-#define ARGS_MAX 32 /* max # of esc sequence arguments */
#define ARG_DEFAULT -1 /* if an arg isn't specified */
#define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) )
-static int esc_args[ARGS_MAX];
-static int esc_nargs;
-static int esc_query;
-#define OSC_STR_MAX 2048
-static int osc_strlen;
-static char osc_string[OSC_STR_MAX+1];
-static int osc_w;
+#define esc_args s->ts.esc_args
+#define esc_nargs s->ts.esc_nargs
+#define esc_query s->ts.esc_query
+
+#define osc_strlen s->ts.osc_strlen
+#define osc_string s->ts.osc_string
+#define osc_w s->ts.osc_w
-static unsigned char *tabs;
+#define tabs s->ts.tabs
#define MAXNL 5
-static int nl_count;
-
-static enum {
- TOPLEVEL, IGNORE_NEXT,
- SEEN_ESC, SEEN_CSI, SET_GL, SET_GR,
- SEEN_OSC, SEEN_OSC_P, SEEN_OSC_W, OSC_STRING, OSC_MAYBE_ST,
- SEEN_ESCHASH
-} termstate;
-
-static enum {
- NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED
-} selstate;
-static enum {
- SM_CHAR, SM_WORD, SM_LINE
-} selmode;
-static unsigned long *selstart, *selend, *selanchor;
-
-static short wordness[256] = {
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 01 */
- 0,1,2,1,1,1,1,1,1,1,1,1,1,2,2,2, 2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1, /* 23 */
- 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,2, /* 45 */
- 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1, /* 67 */
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 89 */
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* AB */
- 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2, /* CD */
- 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2, /* EF */
-};
+#define nl_count s->ts.nl_count
+
+#define termstate (s->ts.termstate)
+#define selstate (s->ts.selstate)
+#define selmode (s->ts.selmode)
+#define selstart (s->ts.selstart)
+#define selend (s->ts.selend)
+#define selanchor (s->ts.selanchor)
+
+#define curr_wordness s->ts.wordness
static unsigned char sel_nl[] = SEL_NL;
/*
* Internal prototypes.
*/
-static void do_paint (Context, int);
-static void erase_lots (int, int, int);
-static void swap_screen (int);
-static void update_sbar (void);
-static void deselect (void);
-static void scroll_display(int, int, int);
+static void do_paint (Session *, int);
+static void erase_lots (Session *, int, int, int);
+static void swap_screen (Session *, int);
+static void update_sbar (Session *);
+static void deselect (Session *);
+static void scroll_display(Session *, int, int, int);
/*
* Set up power-on settings for the terminal.
*/
-static void power_on(void) {
+static void power_on(Session *s) {
curs_x = curs_y = alt_x = alt_y = save_x = save_y = 0;
alt_t = marg_t = 0;
if (rows != -1)
for (i = 0; i < cols; i++)
tabs[i] = (i % 8 == 0 ? TRUE : FALSE);
}
- alt_om = dec_om = cfg.dec_om;
+ alt_om = curr_dec_om = cfg.dec_om;
alt_wnext = wrapnext = alt_ins = insert = FALSE;
alt_wrap = wrap = cfg.wrap_mode;
alt_cset = cset = 0;
{
int i;
for (i = 0; i < 256; i++)
- wordness[i] = cfg.wordness[i];
+ curr_wordness[i] = cfg.wordness[i];
}
if (text) {
- swap_screen (1);
- erase_lots (FALSE, TRUE, TRUE);
- swap_screen (0);
- erase_lots (FALSE, TRUE, TRUE);
+ swap_screen (s, 1);
+ erase_lots (s, FALSE, TRUE, TRUE);
+ swap_screen (s, 0);
+ erase_lots (s, FALSE, TRUE, TRUE);
}
}
/*
* Force a screen update.
*/
-void term_update(void) {
- Context ctx;
- ctx = get_ctx();
- if (ctx) {
- do_paint (ctx, TRUE);
- free_ctx (ctx);
- nl_count = 0;
- }
+void term_update(Session *s) {
+
+ pre_paint(s);
+ do_paint(s, TRUE);
+ post_paint(s);
+ nl_count = 0;
}
/*
* Same as power_on(), but an external function.
*/
-void term_pwron(void) {
- power_on();
+void term_pwron(Session *s) {
+ power_on(s);
fix_cpos;
disptop = scrtop;
- deselect();
- term_update();
+ deselect(s);
+ term_update(s);
}
/*
* Clear the scrollback.
*/
-void term_clrsb(void) {
+void term_clrsb(Session *s) {
disptop = sbtop = scrtop;
- update_sbar();
+ update_sbar(s);
}
/*
* Initialise the terminal.
*/
-void term_init(void) {
+void term_init(Session *s) {
text = sbtop = scrtop = disptop = cpos = NULL;
disptext = wanttext = NULL;
tabs = NULL;
selspace = NULL;
- deselect();
+ deselect(s);
rows = cols = -1;
nl_count = 0;
- power_on();
+ power_on(s);
}
/*
* Set up the terminal for a given size.
*/
-void term_size(int newrows, int newcols, int newsavelines) {
+void term_size(Session *s, int newrows, int newcols, int newsavelines) {
unsigned long *newtext, *newdisp, *newwant, *newalt;
int i, j, crows, ccols;
savelines = newsavelines;
fix_cpos;
- deselect();
- update_sbar();
- term_update();
+ deselect(s);
+ update_sbar(s);
+ term_update(s);
}
/*
* Swap screens.
*/
-static void swap_screen (int which) {
+static void swap_screen (Session *s, int which) {
int t;
unsigned long tt;
t = curs_y; curs_y = alt_y; alt_y = t;
t = marg_t; marg_t = alt_t; alt_t = t;
t = marg_b; marg_b = alt_b; alt_b = t;
- t = dec_om; dec_om = alt_om; alt_om = t;
+ t = curr_dec_om; curr_dec_om = alt_om; alt_om = t;
t = wrap; wrap = alt_wrap; alt_wrap = t;
t = wrapnext; wrapnext = alt_wnext; alt_wnext = t;
t = insert; insert = alt_ins; alt_ins = t;
/*
* Retrieve a character from `inbuf'.
*/
-static int inbuf_getc(void) {
+static int inbuf_getc(Session *s) {
if (inbuf_head == inbuf_reap)
return -1; /* EOF */
else {
/*
* Update the scroll bar.
*/
-static void update_sbar(void) {
+static void update_sbar(Session *s) {
int min;
min = (sbtop - text) / (cols+1);
- set_sbar ((scrtop - text) / (cols+1) + rows - min,
- (disptop - text) / (cols+1) - min,
- rows);
+ set_sbar(s, (scrtop - text) / (cols+1) + rows - min,
+ (disptop - text) / (cols+1) - min,
+ rows);
}
/*
* Check whether the region bounded by the two pointers intersects
* the selection, and de-select the on-screen selection if so.
*/
-static void check_selection (unsigned long *from, unsigned long *to) {
+static void check_selection(Session *s,
+ unsigned long *from, unsigned long *to) {
if (from < selend && selstart < to)
- deselect();
+ deselect(s);
}
/*
* for backward.) `sb' is TRUE if the scrolling is permitted to
* affect the scrollback buffer.
*/
-static void scroll (int topline, int botline, int lines, int sb) {
+static void scroll (Session *s, int topline, int botline, int lines, int sb) {
unsigned long *scroll_top;
int scroll_size, size, i;
sbtop = text;
scroll_size += scroll_top - sbtop;
scroll_top = sbtop;
- update_sbar();
+ update_sbar(s);
}
if (scroll_size < 0) {
}
}
#ifdef OPTIMISE_SCROLL
- scroll_display(topline, botline, lines);
+ scroll_display(s, topline, botline, lines);
#endif
}
#ifdef OPTIMISE_SCROLL
-static void scroll_display(int topline, int botline, int lines) {
+static void scroll_display(Session *s, int topline, int botline, int lines) {
unsigned long *start, *end;
int distance, size, i;
for (i = 0; i < distance; i++)
start[i] |= ATTR_INVALID;
}
- do_scroll(topline, botline, lines);
+ do_scroll(s, topline, botline, lines);
}
#endif /* OPTIMISE_SCROLL */
* not to, 1 to disallow _passing_ the margins, and 2 to disallow
* even _being_ outside the margins.
*/
-static void move (int x, int y, int marg_clip) {
+static void move (Session *s, int x, int y, int marg_clip) {
if (x < 0)
x = 0;
if (x >= cols)
/*
* Save or restore the cursor and SGR mode.
*/
-static void save_cursor(int save) {
+static void save_cursor(Session *s, int save) {
if (save) {
save_x = curs_x;
save_y = curs_y;
* Erase a large portion of the screen: the whole screen, or the
* whole line, or parts thereof.
*/
-static void erase_lots (int line_only, int from_begin, int to_end) {
+static void erase_lots(Session *s, int line_only, int from_begin, int to_end) {
unsigned long *startpos, *endpos;
if (line_only) {
startpos = cpos;
if (!to_end)
endpos = cpos;
- check_selection (startpos, endpos);
+ check_selection(s, startpos, endpos);
while (startpos < endpos)
*startpos++ = ERASE_CHAR;
}
* Insert or delete characters within the current line. n is +ve if
* insertion is desired, and -ve for deletion.
*/
-static void insch (int n) {
+static void insch(Session *s, int n) {
int dir = (n < 0 ? -1 : +1);
int m;
if (n > cols - curs_x)
n = cols - curs_x;
m = cols - curs_x - n;
- check_selection (cpos, cpos+n);
+ check_selection(s, cpos, cpos+n);
if (dir < 0) {
memmove (cpos, cpos+n, m*TSIZE);
while (n--)
* Toggle terminal mode `mode' to state `state'. (`query' indicates
* whether the mode is a DEC private one or a normal one.)
*/
-static void toggle_mode (int mode, int query, int state) {
+static void toggle_mode(Session *s, int mode, int query, int state) {
if (query) switch (mode) {
case 1: /* application cursor keys */
app_cursor_keys = state;
break;
case 3: /* 80/132 columns */
- deselect();
- request_resize (state ? 132 : 80, rows);
+ deselect(s);
+ request_resize(s, state ? 132 : 80, rows);
break;
case 5: /* reverse video */
rvideo = state;
disptop = scrtop;
break;
case 6: /* DEC origin mode */
- dec_om = state;
+ curr_dec_om = state;
break;
case 7: /* auto wrap */
wrap = state;
break;
case 47: /* alternate screen */
- deselect();
- swap_screen (state);
+ deselect(s);
+ swap_screen(s, state);
disptop = scrtop;
break;
} else switch (mode) {
/*
* Process an OSC sequence: set window title or icon name.
*/
-static void do_osc(void) {
+static void do_osc(Session *s) {
if (osc_w) {
while (osc_strlen--)
- wordness[(unsigned char)osc_string[osc_strlen]] = esc_args[0];
+ curr_wordness[(unsigned char)osc_string[osc_strlen]] = esc_args[0];
} else {
osc_string[osc_strlen] = '\0';
switch (esc_args[0]) {
case 0:
case 1:
- set_icon (osc_string);
+ set_icon (s, osc_string);
if (esc_args[0] == 1)
break;
/* fall through: parameter 0 means set both */
case 2:
case 21:
- set_title (osc_string);
+ set_title(s, osc_string);
break;
}
}
* in-memory display. There's a big state machine in here to
* process escape sequences...
*/
-void term_out(void) {
+void term_out(Session *s) {
int c;
int must_update = FALSE;
- while ( (c = inbuf_getc()) != -1) {
+ while ( (c = inbuf_getc(s)) != -1) {
#ifdef LOG
{
static FILE *fp = NULL;
do_toplevel:
switch (c) {
case '\005': /* terminal type query */
- back->send ("\033[?1;2c", 7);
+ back->send(s, "\033[?1;2c", 7);
break;
case '\007':
- beep();
+ beep(s);
disptop = scrtop;
must_update = TRUE;
break;
case '\014':
case '\012':
if (curs_y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
+ scroll(s, marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
curs_y++;
if (cfg.lfhascr)
{
unsigned long *old_cpos = cpos;
fix_cpos;
- check_selection (old_cpos, cpos);
+ check_selection(s, old_cpos, cpos);
}
disptop = scrtop;
must_update = TRUE;
if (wrapnext) {
cpos[1] = ATTR_WRAPPED;
if (curs_y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
+ scroll(s, marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
curs_y++;
curs_x = 0;
nl_count++;
}
if (insert)
- insch (1);
- check_selection (cpos, cpos+1);
+ insch(s, 1);
+ check_selection(s, cpos, cpos+1);
*cpos++ = c | curr_attr |
(c <= 0x7F ? cset_attr[cset] : ATTR_ASCII);
curs_x++;
* and _if_ we see a backslash, we process it.
*/
if (c == '\\') {
- do_osc();
+ do_osc(s);
termstate = TOPLEVEL;
break;
}
termstate = SET_GR;
break;
case '7': /* save cursor */
- save_cursor (TRUE);
+ save_cursor(s, TRUE);
break;
case '8': /* restore cursor */
- save_cursor (FALSE);
+ save_cursor(s, FALSE);
disptop = scrtop;
must_update = TRUE;
break;
break;
case 'D': /* exactly equivalent to LF */
if (curs_y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
+ scroll(s, marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
curs_y++;
fix_cpos;
curs_x = 0;
wrapnext = FALSE;
if (curs_y == marg_b)
- scroll (marg_t, marg_b, 1, TRUE);
+ scroll(s, marg_t, marg_b, 1, TRUE);
else if (curs_y < rows-1)
curs_y++;
fix_cpos;
break;
case 'M': /* reverse index - backwards LF */
if (curs_y == marg_t)
- scroll (marg_t, marg_b, -1, TRUE);
+ scroll(s, marg_t, marg_b, -1, TRUE);
else if (curs_y > 0)
curs_y--;
fix_cpos;
must_update = TRUE;
break;
case 'Z': /* terminal type query */
- back->send ("\033[?6c", 5);
+ back->send(s, "\033[?6c", 5);
break;
case 'c': /* restore power-on settings */
- power_on();
+ power_on(s);
fix_cpos;
disptop = scrtop;
must_update = TRUE;
termstate = SEEN_CSI;
break;
case 'A': /* move up N lines */
- move (curs_x, curs_y - def(esc_args[0], 1), 1);
+ move(s, curs_x, curs_y - def(esc_args[0], 1), 1);
disptop = scrtop;
must_update = TRUE;
break;
case 'B': case 'e': /* move down N lines */
- move (curs_x, curs_y + def(esc_args[0], 1), 1);
+ move(s, curs_x, curs_y + def(esc_args[0], 1), 1);
disptop = scrtop;
must_update = TRUE;
break;
case 'C': case 'a': /* move right N cols */
- move (curs_x + def(esc_args[0], 1), curs_y, 1);
+ move(s, curs_x + def(esc_args[0], 1), curs_y, 1);
disptop = scrtop;
must_update = TRUE;
break;
case 'D': /* move left N cols */
- move (curs_x - def(esc_args[0], 1), curs_y, 1);
+ move(s, curs_x - def(esc_args[0], 1), curs_y, 1);
disptop = scrtop;
must_update = TRUE;
break;
case 'E': /* move down N lines and CR */
- move (0, curs_y + def(esc_args[0], 1), 1);
+ move(s, 0, curs_y + def(esc_args[0], 1), 1);
disptop = scrtop;
must_update = TRUE;
break;
case 'F': /* move up N lines and CR */
- move (0, curs_y - def(esc_args[0], 1), 1);
+ move(s, 0, curs_y - def(esc_args[0], 1), 1);
disptop = scrtop;
must_update = TRUE;
break;
case 'G': case '`': /* set horizontal posn */
- move (def(esc_args[0], 1) - 1, curs_y, 0);
+ move(s, def(esc_args[0], 1) - 1, curs_y, 0);
disptop = scrtop;
must_update = TRUE;
break;
case 'd': /* set vertical posn */
- move (curs_x, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
- (dec_om ? 2 : 0));
+ move(s, curs_x, (curr_dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
+ (curr_dec_om ? 2 : 0));
disptop = scrtop;
must_update = TRUE;
break;
case 'H': case 'f': /* set horz and vert posns at once */
if (esc_nargs < 2)
esc_args[1] = ARG_DEFAULT;
- move (def(esc_args[1], 1) - 1,
- (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
- (dec_om ? 2 : 0));
+ move(s, def(esc_args[1], 1) - 1,
+ (curr_dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1,
+ (curr_dec_om ? 2 : 0));
disptop = scrtop;
must_update = TRUE;
break;
unsigned int i = def(esc_args[0], 0) + 1;
if (i > 3)
i = 0;
- erase_lots(FALSE, !!(i & 2), !!(i & 1));
+ erase_lots(s, FALSE, !!(i & 2), !!(i & 1));
}
disptop = scrtop;
must_update = TRUE;
unsigned int i = def(esc_args[0], 0) + 1;
if (i > 3)
i = 0;
- erase_lots(TRUE, !!(i & 2), !!(i & 1));
+ erase_lots(s, TRUE, !!(i & 2), !!(i & 1));
}
disptop = scrtop;
must_update = TRUE;
break;
case 'L': /* insert lines */
if (curs_y <= marg_b)
- scroll (curs_y, marg_b, -def(esc_args[0], 1), FALSE);
+ scroll(s, curs_y, marg_b, -def(esc_args[0], 1), FALSE);
disptop = scrtop;
must_update = TRUE;
break;
case 'M': /* delete lines */
if (curs_y <= marg_b)
- scroll (curs_y, marg_b, def(esc_args[0], 1), FALSE);
+ scroll(s, curs_y, marg_b, def(esc_args[0], 1), FALSE);
disptop = scrtop;
must_update = TRUE;
break;
case '@': /* insert chars */
- insch (def(esc_args[0], 1));
+ insch(s, def(esc_args[0], 1));
disptop = scrtop;
must_update = TRUE;
break;
case 'P': /* delete chars */
- insch (-def(esc_args[0], 1));
+ insch(s, -def(esc_args[0], 1));
disptop = scrtop;
must_update = TRUE;
break;
case 'c': /* terminal type query */
- back->send ("\033[?6c", 5);
+ back->send(s, "\033[?6c", 5);
break;
case 'n': /* cursor position query */
if (esc_args[0] == 6) {
char buf[32];
sprintf (buf, "\033[%d;%dR", curs_y + 1, curs_x + 1);
- back->send (buf, strlen(buf));
+ back->send(s, buf, strlen(buf));
}
break;
case 'h': /* toggle a mode to high */
- toggle_mode (esc_args[0], esc_query, TRUE);
+ toggle_mode(s, esc_args[0], esc_query, TRUE);
break;
case 'l': /* toggle a mode to low */
- toggle_mode (esc_args[0], esc_query, FALSE);
+ toggle_mode(s, esc_args[0], esc_query, FALSE);
break;
case 'g': /* clear tabs */
if (esc_nargs == 1) {
}
break;
case 's': /* save cursor */
- save_cursor (TRUE);
+ save_cursor(s, TRUE);
break;
case 'u': /* restore cursor */
- save_cursor (FALSE);
+ save_cursor(s, FALSE);
disptop = scrtop;
must_update = TRUE;
break;
case 't': /* set page size - ie window height */
- request_resize (cols, def(esc_args[0], 24));
- deselect();
+ request_resize(s, cols, def(esc_args[0], 24));
+ deselect(s);
break;
case 'X': /* write N spaces w/o moving cursor */
{
unsigned long *p = cpos;
if (n > cols - curs_x)
n = cols - curs_x;
- check_selection (cpos, cpos+n);
+ check_selection(s, cpos, cpos+n);
while (n--)
*p++ = ERASE_CHAR;
disptop = scrtop;
if (i == 0 || i == 1) {
strcpy (buf, "\033[2;1;1;112;112;1;0x");
buf[2] += i;
- back->send (buf, 20);
+ back->send(s, buf, 20);
}
}
break;
osc_strlen = 0;
break;
case 'R': /* Linux palette reset */
- palette_reset();
- term_invalidate();
+ palette_reset(s);
+ term_invalidate(s);
termstate = TOPLEVEL;
break;
case 'W': /* word-set */
* mode unless it is followed by \, in which case it is
* synonymous with ST in the first place.
*/
- do_osc();
+ do_osc(s);
termstate = TOPLEVEL;
} else if (c == '\033')
termstate = OSC_MAYBE_ST;
termstate = TOPLEVEL;
osc_string[osc_strlen++] = val;
if (osc_strlen >= 7) {
- palette_set (osc_string[0],
+ palette_set (s, osc_string[0],
osc_string[1] * 16 + osc_string[2],
osc_string[3] * 16 + osc_string[4],
osc_string[5] * 16 + osc_string[6]);
- term_invalidate();
termstate = TOPLEVEL;
}
}
*p++ = ATTR_DEFAULT | 'E';
disptop = scrtop;
must_update = TRUE;
- check_selection (scrtop, scrtop + rows * (cols+1));
+ check_selection(s, scrtop, scrtop + rows * (cols+1));
}
termstate = TOPLEVEL;
break;
}
- check_selection (cpos, cpos+1);
+ check_selection(s, cpos, cpos+1);
}
if (must_update || nl_count > MAXNL) {
- update_sbar();
- term_update();
+ update_sbar(s);
+ term_update(s);
}
}
-/*
- * Compare two lines to determine whether they are sufficiently
- * alike to scroll-optimise one to the other. Return the degree of
- * similarity.
- */
-static int linecmp (unsigned long *a, unsigned long *b) {
- int i, n;
-
- for (i=n=0; i < cols; i++)
- n += (*a++ == *b++);
- return n;
-}
-
/*
* Given a context, update the window. Out of paranoia, we don't
* allow WM_PAINT responses to do scrolling optimisations.
*/
-static void do_paint (Context ctx, int may_optimise){
+static void do_paint (Session *s, int may_optimise){
int i, j, start, our_curs_y;
unsigned long attr, rv, cursor;
char ch[1024];
(t & attr_mask) == attr &&
j-start < sizeof(ch));
if (start != -1 && !keep_going) {
- do_text (ctx, start, i, ch, j-start, attr);
+ do_text(s, start, i, ch, j-start, attr);
start = -1;
}
if (needs_update) {
/*
* Invalidate the whole screen so it will be repainted in full.
*/
-void term_invalidate(void) {
+void term_invalidate(Session *s) {
int i;
for (i=0; i<rows*(cols+1); i++)
/*
* Paint the window in response to a WM_PAINT message.
*/
-void term_paint (Context ctx, int l, int t, int r, int b) {
+void term_paint(Session *s, int l, int t, int r, int b) {
int i, j, left, top, right, bottom;
left = l / font_width;
for (j = left; j <= right && j < cols ; j++)
disptext[i*(cols+1)+j] = ATTR_INVALID;
- do_paint (ctx, FALSE);
+ do_paint (s, FALSE);
}
/*
* to denote it is relative to the end, and 0 to denote that it is
* relative to the current position.
*/
-void term_scroll (int rel, int where) {
+void term_scroll(Session *s, int rel, int where) {
int n = where * (cols+1);
#ifdef OPTIMISE_SCROLL
unsigned long *olddisptop = disptop;
disptop = sbtop;
if (disptop > scrtop)
disptop = scrtop;
- update_sbar();
+ update_sbar(s);
#ifdef OPTIMISE_SCROLL
shift = (disptop - olddisptop) / (cols + 1);
if (shift < rows && shift > -rows)
- scroll_display(0, rows - 1, shift);
+ scroll_display(s, 0, rows - 1, shift);
#endif /* OPTIMISE_SCROLL */
- term_update();
+ term_update(s);
}
/*
* Spread the selection outwards according to the selection mode.
*/
-static unsigned long *sel_spread_half (unsigned long *p, int dir) {
+static unsigned long *sel_spread_half(Session *s, unsigned long *p, int dir) {
unsigned long *linestart, *lineend;
int x;
short wvalue;
* In this mode, the units are maximal runs of characters
* whose `wordness' has the same value.
*/
- wvalue = wordness[*p & CHAR_MASK];
+ wvalue = curr_wordness[*p & CHAR_MASK];
if (dir == +1) {
- while (p < lineend && wordness[p[1] & CHAR_MASK] == wvalue)
+ while (p < lineend && curr_wordness[p[1] & CHAR_MASK] == wvalue)
p++;
} else {
- while (p > linestart && wordness[p[-1] & CHAR_MASK] == wvalue)
+ while (p > linestart && curr_wordness[p[-1] & CHAR_MASK] == wvalue)
p--;
}
break;
return p;
}
-static void sel_spread (void) {
- selstart = sel_spread_half (selstart, -1);
- selend = sel_spread_half (selend - 1, +1) + 1;
+static void sel_spread(Session *s) {
+ selstart = sel_spread_half(s, selstart, -1);
+ selend = sel_spread_half(s, selend - 1, +1) + 1;
}
-void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) {
+void term_mouse(Session *s, Mouse_Button b, Mouse_Action a, int x, int y) {
unsigned long *selpoint;
if (x < 0) {
selpoint = scrtop + rows * (cols + 1) - 1;
if (b == MB_SELECT && a == MA_CLICK) {
- deselect();
+ deselect(s);
selstate = ABOUT_TO;
selanchor = selpoint;
selmode = SM_CHAR;
} else if (b == MB_SELECT && (a == MA_2CLK || a == MA_3CLK)) {
- deselect();
+ deselect(s);
selmode = (a == MA_2CLK ? SM_WORD : SM_LINE);
selstate = DRAGGING;
selstart = selanchor = selpoint;
selend = selstart + 1;
- sel_spread();
+ sel_spread(s);
} else if ((b == MB_SELECT && a == MA_DRAG) ||
(b == MB_EXTEND && a != MA_RELEASE)) {
if (selstate == ABOUT_TO && selanchor == selpoint)
selstart = selanchor;
selend = selpoint + 1;
}
- sel_spread();
+ sel_spread(s);
} else if ((b == MB_SELECT || b == MB_EXTEND) && a == MA_RELEASE)
if (selstate == DRAGGING) {
if (cfg.implicit_copy)
- term_copy();
+ term_copy(s);
selstate = SELECTED;
} else
selstate = NO_SELECTION;
else if (b == MB_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK))
- term_paste();
- term_update();
+ term_paste(s);
+ term_update(s);
}
/*
* We've completed a selection. We now transfer the
* data to the clipboard.
*/
-void term_copy() {
+void term_copy(Session *s) {
unsigned char *p = selspace;
unsigned long *q = selstart;
}
q = lineend + 1; /* start of next line */
}
- write_clip (selspace, p - selspace);
+ write_clip(selspace, p - selspace);
}
-void term_paste() {
+void term_paste(Session *s) {
char *data;
int len;
!(p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))))
p++;
- back->send (q, p-q);
+ back->send(s, q, p-q);
if (p <= data+len-sizeof(sel_nl) &&
!memcmp(p, sel_nl, sizeof(sel_nl))) {
- back->send ("\015", 1);
+ back->send(s, "\015", 1);
p += sizeof(sel_nl);
}
q = p;
/*
* Find out if there's a selection.
*/
-int term_hasselection(void) {
+int term_hasselection(Session *s) {
return selstate == SELECTED;
}
-static void deselect (void) {
+static void deselect(Session *s) {
selstate = NO_SELECTION;
selstart = selend = scrtop;
}
-void term_deselect (void) {
- deselect();
- term_update();
+void term_deselect(Session *s) {
+ deselect(s);
+ term_update(s);
}