xref: /vim-8.2.3635/src/gui_photon.c (revision e16b00a1)
1 /* vi:set ts=8 sts=4 sw=4 noet:
2  *
3  * VIM - Vi IMproved	by Bram Moolenaar
4  *			Photon GUI support by Julian Kinraid
5  *
6  * Do ":help uganda"  in Vim to read copying and usage conditions.
7  * Do ":help credits" in Vim to see a list of people who contributed.
8  *
9  *
10  * Clipboard support is in os_qnx.c
11  * PhAttach() is called in os_qnx.c:qnx_init()
12  */
13 
14 #include "vim.h"
15 
16 /* cproto fails on missing include files */
17 #ifndef PROTO
18 # ifdef FEAT_TOOLBAR
19 #  include <photon/PxImage.h>
20 # endif
21 #endif
22 
23 #if !defined(__QNX__)
24 /* Used when generating prototypes. */
25 # define PgColor_t	int
26 # define PhEvent_t	int
27 # define PhPoint_t	int
28 # define PtWidget_t	int
29 # define Pg_BLACK	0
30 # define PtCallbackF_t	int
31 # define PtCallbackInfo_t int
32 # define PhTile_t	int
33 # define PtWidget_t	int
34 # define PhImage_t	int
35 #endif
36 
37 #define ARRAY_LENGTH(a) (sizeof(a) / sizeof(a[0]))
38 #define RGB(r, g, b) PgRGB(r, g, b)
39 
40 #define EVENT_BUFFER_SIZE sizeof(PhEvent_t) + 1000
41 
42 /* Some defines for gui_mch_mousehide() */
43 #define MOUSE_HIDE		TRUE
44 #define MOUSE_SHOW		FALSE
45 
46 /* Optional support for using a PtPanelGroup widget, needs work */
47 #undef USE_PANEL_GROUP
48 
49 #ifdef USE_PANEL_GROUP
50 static char	*empty_title = "    ";
51 static char	**panel_titles = NULL;
52 static ushort_t	num_panels = 0;
53 static short pg_margin_left, pg_margin_right, pg_margin_top, pg_margin_bottom;
54 #endif
55 
56 #define GUI_PH_MARGIN		4	/* Size of the bevel */
57 
58 #define GUI_PH_MOUSE_TYPE		Ph_CURSOR_INSERT
59 static PgColor_t gui_ph_mouse_color =	Pg_BLACK;
60 
61 static PhPoint_t    gui_ph_raw_offset;
62 static PtWidget_t   *gui_ph_timer_cursor;   /* handle cursor blinking */
63 static PtWidget_t   *gui_ph_timer_timeout;  /* used in gui_mch_wait_for_chars */
64 static short	    is_timeout;		    /* Has the timeout occurred? */
65 
66 /*
67  * This is set inside the mouse callback for a right mouse
68  * button click, and used for the popup menus
69  */
70 static PhPoint_t    abs_mouse;
71 
72 /* Try and avoid redraws while a resize is in progress */
73 static int is_ignore_draw = FALSE;
74 
75 /* Used for converting to/from utf-8 and other charsets */
76 static struct PxTransCtrl *charset_translate;
77 
78 /*
79  * Cursor blink functions.
80  *
81  * This is a simple state machine:
82  * BLINK_NONE	not blinking at all
83  * BLINK_OFF	blinking, cursor is not shown
84  * BLINK_ON	blinking, cursor is shown
85  */
86 static enum {
87     BLINK_NONE,
88     BLINK_OFF,
89     BLINK_ON
90 } blink_state = BLINK_NONE;
91 
92 static long_u	blink_waittime	= 700;
93 static long_u	blink_ontime	= 400;
94 static long_u	blink_offtime	= 250;
95 
96 static struct
97 {
98     int	    key_sym;
99     char_u  vim_code0;
100     char_u  vim_code1;
101 } special_keys[] =
102 {
103     {Pk_Up,	    'k', 'u'},
104     {Pk_Down,	    'k', 'd'},
105     {Pk_Left,	    'k', 'l'},
106     {Pk_Right,	    'k', 'r'},
107 
108     {Pk_F1,	    'k', '1'},
109     {Pk_F2,	    'k', '2'},
110     {Pk_F3,	    'k', '3'},
111     {Pk_F4,	    'k', '4'},
112     {Pk_F5,	    'k', '5'},
113     {Pk_F6,	    'k', '6'},
114     {Pk_F7,	    'k', '7'},
115     {Pk_F8,	    'k', '8'},
116     {Pk_F9,	    'k', '9'},
117     {Pk_F10,	    'k', ';'},
118 
119     {Pk_F11,	    'F', '1'},
120     {Pk_F12,	    'F', '2'},
121     {Pk_F13,	    'F', '3'},
122     {Pk_F14,	    'F', '4'},
123     {Pk_F15,	    'F', '5'},
124     {Pk_F16,	    'F', '6'},
125     {Pk_F17,	    'F', '7'},
126     {Pk_F18,	    'F', '8'},
127     {Pk_F19,	    'F', '9'},
128     {Pk_F20,	    'F', 'A'},
129 
130     {Pk_F21,	    'F', 'B'},
131     {Pk_F22,	    'F', 'C'},
132     {Pk_F23,	    'F', 'D'},
133     {Pk_F24,	    'F', 'E'},
134     {Pk_F25,	    'F', 'F'},
135     {Pk_F26,	    'F', 'G'},
136     {Pk_F27,	    'F', 'H'},
137     {Pk_F28,	    'F', 'I'},
138     {Pk_F29,	    'F', 'J'},
139 
140     {Pk_F30,	    'F', 'K'},
141     {Pk_F31,	    'F', 'L'},
142     {Pk_F32,	    'F', 'M'},
143     {Pk_F33,	    'F', 'N'},
144     {Pk_F34,	    'F', 'O'},
145     {Pk_F35,	    'F', 'P'},
146 
147     {Pk_Help,	    '%', '1'},
148     {Pk_BackSpace,  'k', 'b'},
149     {Pk_Insert,	    'k', 'I'},
150     {Pk_Delete,	    'k', 'D'},
151     {Pk_Home,	    'k', 'h'},
152     {Pk_End,	    '@', '7'},
153     {Pk_Prior,	    'k', 'P'},
154     {Pk_Next,	    'k', 'N'},
155     {Pk_Print,	    '%', '9'},
156 
157     {Pk_KP_Add,	    'K', '6'},
158     {Pk_KP_Subtract,'K', '7'},
159     {Pk_KP_Divide,  'K', '8'},
160     {Pk_KP_Multiply,'K', '9'},
161     {Pk_KP_Enter,   'K', 'A'},
162 
163     {Pk_KP_0,	    KS_EXTRA, KE_KINS}, /* Insert    */
164     {Pk_KP_Decimal, KS_EXTRA, KE_KDEL}, /* Delete    */
165 
166     {Pk_KP_4,	    'k', 'l'}, /* Left	    */
167     {Pk_KP_6,	    'k', 'r'}, /* Right	    */
168     {Pk_KP_8,	    'k', 'u'}, /* Up	    */
169     {Pk_KP_2,	    'k', 'd'}, /* Down	    */
170 
171     {Pk_KP_7,	    'K', '1'}, /* Home	    */
172     {Pk_KP_1,	    'K', '4'}, /* End	    */
173 
174     {Pk_KP_9,	    'K', '3'}, /* Page Up   */
175     {Pk_KP_3,	    'K', '5'}, /* Page Down */
176 
177     {Pk_KP_5,	    '&', '8'}, /* Undo	    */
178 
179     /* Keys that we want to be able to use any modifier with: */
180     {Pk_Return,	    CAR,  NUL},
181     {Pk_space,	    ' ', NUL},
182     {Pk_Tab,	    TAB, NUL},
183     {Pk_Escape,	    ESC, NUL},
184     {NL,	    NL,	 NUL},
185     {CAR,	    CAR,  NUL},
186 
187     /* End of list marker: */
188     {0,		0, 0}
189 };
190 
191 
192 /****************************************************************************/
193 
194 static PtCallbackF_t gui_ph_handle_timer_cursor;
195 static PtCallbackF_t gui_ph_handle_timer_timeout;
196 
197 static PtCallbackF_t gui_ph_handle_window_cb;
198 
199 static PtCallbackF_t gui_ph_handle_scrollbar;
200 static PtCallbackF_t gui_ph_handle_keyboard;
201 static PtCallbackF_t gui_ph_handle_mouse;
202 static PtCallbackF_t gui_ph_handle_pulldown_menu;
203 static PtCallbackF_t gui_ph_handle_menu;
204 static PtCallbackF_t gui_ph_handle_focus;	/* focus change of text area */
205 
206 static PtCallbackF_t gui_ph_handle_menu_resize;
207 
208 /* When a menu is unrealized, give focus back to vimTextArea */
209 static PtCallbackF_t gui_ph_handle_menu_unrealized;
210 
211 #ifdef USE_PANEL_GROUP
212 static void gui_ph_get_panelgroup_margins(short*, short*, short*, short*);
213 #endif
214 
215 #ifdef FEAT_TOOLBAR
216 static PhImage_t *gui_ph_toolbar_find_icon(vimmenu_T *menu);
217 #endif
218 
219 static void gui_ph_draw_start(void);
220 static void gui_ph_draw_end(void);
221 
222 /* Set the text for the balloon */
223 static PtWidget_t * gui_ph_show_tooltip(PtWidget_t *window,
224 			     PtWidget_t *widget,
225 			     int position,
226 			     char *text,
227 			     char *font,
228 			     PgColor_t fill_color,
229 			     PgColor_t text_color);
230 
231 /****************************************************************************/
232 
233 static PtWidget_t * gui_ph_show_tooltip(PtWidget_t *window,
234 			     PtWidget_t *widget,
235 			     int position,
236 			     char *text,
237 			     char *font,
238 			     PgColor_t fill_color,
239 			     PgColor_t text_color)
240 {
241     PtArg_t arg;
242     vimmenu_T *menu;
243     char_u  *tooltip;
244 
245     PtSetArg(&arg, Pt_ARG_POINTER, &menu, 0);
246     PtGetResources(widget, 1, &arg);
247 
248     /* Override the text and position */
249 
250     tooltip = text;
251     if (menu != NULL)
252     {
253 	int index = MENU_INDEX_TIP;
254 	if (menu->strings[ index ] != NULL)
255 	    tooltip = menu->strings[ index ];
256     }
257 
258     return PtInflateBalloon(
259 	    window,
260 	    widget,
261 	    /* Don't put the balloon at the bottom,
262 	     * it gets drawn over by gfx done in the PtRaw */
263 	    Pt_BALLOON_TOP,
264 	    tooltip,
265 	    font,
266 	    fill_color,
267 	    text_color);
268 }
269 
270     static void
271 gui_ph_resize_container(void)
272 {
273     PhArea_t area;
274 
275     PtWidgetArea(gui.vimWindow, &area);
276     PtWidgetPos (gui.vimContainer, &area.pos);
277 
278     PtSetResource(gui.vimContainer, Pt_ARG_AREA, &area, 0);
279 }
280 
281     static int
282 gui_ph_handle_menu_resize(
283 	PtWidget_t *widget,
284 	void *other,
285 	PtCallbackInfo_t *info)
286 {
287     PtContainerCallback_t *sizes = info->cbdata;
288     PtWidget_t		*container;
289     PhPoint_t		below_menu;
290     int_u		height;
291 
292     height = sizes->new_dim.h;
293 
294     /* Because vim treats the toolbar and menubar separately,
295      * and here they're lumped together into a PtToolbarGroup,
296      * we only need either menu_height or toolbar_height set at once */
297     if (gui.menu_is_active)
298     {
299 	gui.menu_height = height;
300 	gui.toolbar_height = 0;
301     }
302 #ifdef FEAT_TOOLBAR
303     else
304 	gui.toolbar_height = height;
305 #endif
306 
307     below_menu.x = 0;
308     below_menu.y = height;
309 
310 #ifdef USE_PANEL_GROUP
311     container = gui.vimPanelGroup;
312 #else
313     container = gui.vimContainer;
314 #endif
315 
316     PtSetResource(container, Pt_ARG_POS, &below_menu, 0);
317 
318     gui_ph_resize_container();
319 
320 #ifdef USE_PANEL_GROUP
321     gui_ph_get_panelgroup_margins(
322 	    &pg_margin_top, &pg_margin_bottom,
323 	    &pg_margin_left, &pg_margin_right);
324 #endif
325     return Pt_CONTINUE;
326 }
327 
328 /*
329  * Pt_ARG_TIMER_REPEAT isn't used because the on & off times
330  * are different
331  */
332     static int
333 gui_ph_handle_timer_cursor(
334 	PtWidget_t *widget,
335 	void *data,
336 	PtCallbackInfo_t *info)
337 {
338     if (blink_state == BLINK_ON)
339     {
340 	gui_undraw_cursor();
341 	blink_state = BLINK_OFF;
342 	PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL,
343 		blink_offtime, 0);
344     }
345     else
346     {
347 	gui_update_cursor(TRUE, FALSE);
348 	blink_state = BLINK_ON;
349 	PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL,
350 		blink_ontime, 0);
351     }
352     return Pt_CONTINUE;
353 }
354 
355     static int
356 gui_ph_handle_timer_timeout(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
357 {
358     is_timeout = TRUE;
359 
360     return Pt_CONTINUE;
361 }
362 
363     static int
364 gui_ph_handle_window_cb(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
365 {
366     PhWindowEvent_t *we = info->cbdata;
367     ushort_t *width, *height;
368 
369     switch (we->event_f) {
370 	case Ph_WM_CLOSE:
371 	    gui_shell_closed();
372 	    break;
373 
374 	case Ph_WM_FOCUS:
375 	    /* Just in case it's hidden and needs to be shown */
376 	    gui_mch_mousehide(MOUSE_SHOW);
377 
378 	    if (we->event_state == Ph_WM_EVSTATE_FOCUS)
379 	    {
380 		gui_focus_change(TRUE);
381 		gui_mch_start_blink();
382 	    }
383 	    else
384 	    {
385 		gui_focus_change(FALSE);
386 		gui_mch_stop_blink();
387 	    }
388 	    break;
389 
390 	case Ph_WM_RESIZE:
391 	    PtGetResource(gui.vimWindow, Pt_ARG_WIDTH, &width, 0);
392 	    PtGetResource(gui.vimWindow, Pt_ARG_HEIGHT, &height, 0);
393 #ifdef USE_PANEL_GROUP
394 	    width  -= (pg_margin_left + pg_margin_right);
395 	    height -= (pg_margin_top + pg_margin_bottom);
396 #endif
397 	    gui_resize_shell(*width, *height);
398 	    gui_set_shellsize(FALSE, FALSE, RESIZE_BOTH);
399 	    is_ignore_draw = FALSE;
400 	    PtEndFlux(gui.vimContainer);
401 	    PtContainerRelease(gui.vimContainer);
402 	    break;
403 
404 	default:
405 	    break;
406     }
407 
408     return Pt_CONTINUE;
409 }
410 
411     static int
412 gui_ph_handle_scrollbar(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
413 {
414     PtScrollbarCallback_t *scroll;
415     scrollbar_T *sb;
416     int	    value, dragging = FALSE;
417 
418     scroll = info->cbdata;
419 
420     sb = (scrollbar_T *) data;
421     if (sb != NULL)
422     {
423 	value = scroll->position;
424 	switch (scroll->action)
425 	{
426 	    case Pt_SCROLL_DRAGGED:
427 		dragging = TRUE;
428 		break;
429 
430 	    case Pt_SCROLL_SET:
431 		/* FIXME: return straight away here? */
432 		return Pt_CONTINUE;
433 		break;
434 	}
435 
436 	gui_drag_scrollbar(sb, value, dragging);
437     }
438     return Pt_CONTINUE;
439 }
440 
441     static int
442 gui_ph_handle_keyboard(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
443 {
444     PhKeyEvent_t    *key;
445     unsigned char   string[6];
446     int		    len, i;
447     int		    ch, modifiers;
448 
449     key = PhGetData(info->event);
450 
451     ch = modifiers = len = 0;
452 
453     if (p_mh)
454 	gui_mch_mousehide(MOUSE_HIDE);
455 
456     /* We're a good lil photon program, aren't we? yes we are, yeess wee arrr */
457     if (key->key_flags & Pk_KF_Compose)
458     {
459 	return Pt_CONTINUE;
460     }
461 
462     if ((key->key_flags & Pk_KF_Cap_Valid) &&
463 	    PkIsKeyDown(key->key_flags))
464     {
465 #ifdef FEAT_MENU
466 	/*
467 	 * Only show the menu if the Alt key is down, and the Shift & Ctrl
468 	 * keys aren't down, as well as the other conditions
469 	 */
470 	if (((key->key_mods & Pk_KM_Alt) &&
471 		    !(key->key_mods & Pk_KM_Shift) &&
472 		    !(key->key_mods & Pk_KM_Ctrl)) &&
473 	    gui.menu_is_active &&
474 	    (*p_wak == 'y' ||
475 	      (*p_wak == 'm' &&
476 		gui_is_menu_shortcut(key->key_cap))))
477 	{
478 	    /* Fallthrough and let photon look for the hotkey */
479 	    return Pt_CONTINUE;
480 	}
481 #endif
482 
483 	for (i = 0; special_keys[i].key_sym != 0; i++)
484 	{
485 	    if (special_keys[i].key_sym == key->key_cap)
486 	    {
487 		len = 0;
488 		if (special_keys[i].vim_code1 == NUL)
489 		    ch = special_keys[i].vim_code0;
490 		else
491 		{
492 		    /* Detect if a keypad number key has been pressed
493 		     * and change the key if Num Lock is on */
494 		    if (key->key_cap >= Pk_KP_Enter && key->key_cap <= Pk_KP_9
495 			    && (key->key_mods & Pk_KM_Num_Lock))
496 		    {
497 			/* FIXME: For now, just map the key to a ascii value
498 			 * (see <photon/PkKeyDef.h>) */
499 			ch = key->key_cap - 0xf080;
500 		    }
501 		    else
502 			ch = TO_SPECIAL(special_keys[i].vim_code0,
503 				special_keys[i].vim_code1);
504 		}
505 		break;
506 	    }
507 	}
508 
509 	if (key->key_mods & Pk_KM_Ctrl)
510 	    modifiers |= MOD_MASK_CTRL;
511 	if (key->key_mods & Pk_KM_Alt)
512 	    modifiers |= MOD_MASK_ALT;
513 	if (key->key_mods & Pk_KM_Shift)
514 	    modifiers |= MOD_MASK_SHIFT;
515 
516 	/* Is this not a special key? */
517 	if (special_keys[i].key_sym == 0)
518 	{
519 	    ch = PhTo8859_1(key);
520 	    if (ch == -1
521 #ifdef FEAT_MBYTE
522 		|| (enc_utf8 && ch > 127)
523 #endif
524 		)
525 	    {
526 #ifdef FEAT_MBYTE
527 		len = PhKeyToMb(string, key);
528 		if (len > 0)
529 		{
530 		    static char buf[6];
531 		    int src_taken, dst_made;
532 		    if (enc_utf8 != TRUE)
533 		    {
534 			PxTranslateFromUTF(
535 				charset_translate,
536 				string,
537 				len,
538 				&src_taken,
539 				buf,
540 				6,
541 				&dst_made);
542 
543 			add_to_input_buf(buf, dst_made);
544 		    }
545 		    else
546 		    {
547 			add_to_input_buf(string, len);
548 		    }
549 
550 		    return Pt_CONSUME;
551 		}
552 		len = 0;
553 #endif
554 		ch = key->key_cap;
555 		if (ch < 0xff)
556 		{
557 		    /* FIXME: is this the right thing to do? */
558 		    if (modifiers & MOD_MASK_CTRL)
559 		    {
560 			modifiers &= ~MOD_MASK_CTRL;
561 
562 			if ((ch >= 'a' && ch <= 'z') ||
563 				ch == '[' ||
564 				ch == ']' ||
565 				ch == '\\')
566 			    ch = Ctrl_chr(ch);
567 			else if (ch == '2')
568 			    ch = NUL;
569 			else if (ch == '6')
570 			    ch = 0x1e;
571 			else if (ch == '-')
572 			    ch = 0x1f;
573 			else
574 			    modifiers |= MOD_MASK_CTRL;
575 		    }
576 
577 		    if (modifiers & MOD_MASK_ALT)
578 		    {
579 			ch = Meta(ch);
580 			modifiers &= ~MOD_MASK_ALT;
581 		    }
582 		}
583 		else
584 		{
585 		    return Pt_CONTINUE;
586 		}
587 	    }
588 	    else
589 		modifiers &= ~MOD_MASK_SHIFT;
590 	}
591 
592 	ch = simplify_key(ch, &modifiers);
593 	if (modifiers)
594 	{
595 	    string[ len++ ] = CSI;
596 	    string[ len++ ] = KS_MODIFIER;
597 	    string[ len++ ] = modifiers;
598 	}
599 
600 	if (IS_SPECIAL(ch))
601 	{
602 	    string[ len++ ] = CSI;
603 	    string[ len++ ] = K_SECOND(ch);
604 	    string[ len++ ] = K_THIRD(ch);
605 	}
606 	else
607 	{
608 	    string[ len++ ] = ch;
609 	}
610 
611 	if (len == 1 && ((ch == Ctrl_C && ctrl_c_interrupts)
612 							  || ch == intr_char))
613 	{
614 	    trash_input_buf();
615 	    got_int = TRUE;
616 	}
617 
618 	if (len == 1 && string[0] == CSI)
619 	{
620 	    /* Turn CSI into K_CSI. */
621 	    string[ len++ ] = KS_EXTRA;
622 	    string[ len++ ] = KE_CSI;
623 	}
624 
625 	if (len > 0)
626 	{
627 	    add_to_input_buf(string, len);
628 	    return Pt_CONSUME;
629 	}
630     }
631 
632     return Pt_CONTINUE;
633 }
634 
635     static int
636 gui_ph_handle_mouse(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
637 {
638     PhPointerEvent_t *pointer;
639     PhRect_t	     *pos;
640     int		     button = 0, repeated_click, modifiers = 0x0;
641     short	     mouse_x, mouse_y;
642 
643     pointer = PhGetData(info->event);
644     pos = PhGetRects(info->event);
645 
646     gui_mch_mousehide(MOUSE_SHOW);
647 
648     /*
649      * Coordinates need to be relative to the base window,
650      * not relative to the vimTextArea widget
651      */
652     mouse_x = pos->ul.x + gui.border_width;
653     mouse_y = pos->ul.y + gui.border_width;
654 
655     if (info->event->type == Ph_EV_PTR_MOTION_NOBUTTON)
656     {
657 	gui_mouse_moved(mouse_x, mouse_y);
658 	return Pt_CONTINUE;
659     }
660 
661     if (pointer->key_mods & Pk_KM_Shift)
662 	modifiers |= MOUSE_SHIFT;
663     if (pointer->key_mods & Pk_KM_Ctrl)
664 	modifiers |= MOUSE_CTRL;
665     if (pointer->key_mods & Pk_KM_Alt)
666 	modifiers |= MOUSE_ALT;
667 
668     /*
669      * FIXME More than one button may be involved, but for
670      * now just deal with one
671      */
672     if (pointer->buttons & Ph_BUTTON_SELECT)
673 	button = MOUSE_LEFT;
674 
675     if (pointer->buttons & Ph_BUTTON_MENU)
676     {
677 	button = MOUSE_RIGHT;
678 	/* Need the absolute coordinates for the popup menu */
679 	abs_mouse.x = pointer->pos.x;
680 	abs_mouse.y = pointer->pos.y;
681     }
682 
683     if (pointer->buttons & Ph_BUTTON_ADJUST)
684 	button = MOUSE_MIDDLE;
685 
686     /* Catch a real release (not phantom or other releases */
687     if (info->event->type == Ph_EV_BUT_RELEASE)
688 	button = MOUSE_RELEASE;
689 
690     if (info->event->type & Ph_EV_PTR_MOTION_BUTTON)
691 	button = MOUSE_DRAG;
692 
693 #if 0
694     /* Vim doesn't use button repeats */
695     if (info->event->type & Ph_EV_BUT_REPEAT)
696 	button = MOUSE_DRAG;
697 #endif
698 
699     /* Don't do anything if it is one of the phantom mouse release events */
700     if ((button != MOUSE_RELEASE) ||
701 	    (info->event->subtype == Ph_EV_RELEASE_REAL))
702     {
703 	repeated_click = (pointer->click_count >= 2) ? TRUE : FALSE;
704 
705 	gui_send_mouse_event(button , mouse_x, mouse_y, repeated_click, modifiers);
706     }
707 
708     return Pt_CONTINUE;
709 }
710 
711 /* Handle a focus change of the PtRaw widget */
712     static int
713 gui_ph_handle_focus(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
714 {
715     if (info->reason == Pt_CB_LOST_FOCUS)
716     {
717 	PtRemoveEventHandler(gui.vimTextArea, Ph_EV_PTR_MOTION_NOBUTTON,
718 		gui_ph_handle_mouse, NULL);
719 
720 	gui_mch_mousehide(MOUSE_SHOW);
721     }
722     else
723     {
724 	PtAddEventHandler(gui.vimTextArea, Ph_EV_PTR_MOTION_NOBUTTON,
725 		gui_ph_handle_mouse, NULL);
726     }
727     return Pt_CONTINUE;
728 }
729 
730     static void
731 gui_ph_handle_raw_draw(PtWidget_t *widget, PhTile_t *damage)
732 {
733     PhRect_t	*r;
734     PhPoint_t	offset;
735     PhPoint_t	translation;
736 
737     if (is_ignore_draw == TRUE)
738 	return;
739 
740     PtSuperClassDraw(PtBasic, widget, damage);
741     PgGetTranslation(&translation);
742     PgClearTranslation();
743 
744 #if 0
745     /*
746      * This causes some weird problems, with drawing being done from
747      * within this raw drawing function (rather than just simple clearing
748      * and text drawing done by gui_redraw)
749      *
750      * The main problem is when PhBlit is used, and the cursor appearing
751      * in places where it shouldn't
752      */
753     out_flush();
754 #endif
755 
756     PtWidgetOffset(widget, &offset);
757     PhTranslatePoint(&offset, PtWidgetPos(gui.vimTextArea, NULL));
758 
759 #if 1
760     /* Redraw individual damage regions */
761     if (damage->next != NULL)
762 	damage = damage->next;
763 
764     while (damage != NULL)
765     {
766 	r = &damage->rect;
767 	gui_redraw(
768 		r->ul.x - offset.x, r->ul.y - offset.y,
769 		r->lr.x - r->ul.x + 1,
770 		r->lr.y - r->ul.y + 1);
771 	damage = damage->next;
772     }
773 #else
774     /* Redraw the rectangle that covers all the damaged regions */
775     r = &damage->rect;
776     gui_redraw(
777 	    r->ul.x - offset.x, r->ul.y - offset.y,
778 	    r->lr.x - r->ul.x + 1,
779 	    r->lr.y - r->ul.y + 1);
780 #endif
781 
782     PgSetTranslation(&translation, 0);
783 }
784 
785     static int
786 gui_ph_handle_pulldown_menu(
787 	PtWidget_t *widget,
788 	void *data,
789 	PtCallbackInfo_t *info)
790 {
791     if (data != NULL)
792     {
793 	vimmenu_T *menu = (vimmenu_T *) data;
794 
795 	PtPositionMenu(menu->submenu_id, NULL);
796 	PtRealizeWidget(menu->submenu_id);
797     }
798 
799     return Pt_CONTINUE;
800 }
801 
802 /* This is used for pulldown/popup menus and also toolbar buttons */
803     static int
804 gui_ph_handle_menu(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
805 {
806     if (data != NULL)
807     {
808 	vimmenu_T *menu = (vimmenu_T *) data;
809 	gui_menu_cb(menu);
810     }
811     return Pt_CONTINUE;
812 }
813 
814 /* Stop focus from disappearing into the menubar... */
815     static int
816 gui_ph_handle_menu_unrealized(
817 	PtWidget_t *widget,
818 	void *data,
819 	PtCallbackInfo_t *info)
820 {
821     PtGiveFocus(gui.vimTextArea, NULL);
822     return Pt_CONTINUE;
823 }
824 
825     static int
826 gui_ph_handle_window_open(
827 	PtWidget_t *widget,
828 	void *data,
829 	PtCallbackInfo_t *info)
830 {
831     gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
832     return Pt_CONTINUE;
833 }
834 
835 /****************************************************************************/
836 
837 #define DRAW_START  gui_ph_draw_start()
838 #define DRAW_END    gui_ph_draw_end()
839 
840 /* TODO: Set a clipping rect? */
841     static void
842 gui_ph_draw_start(void)
843 {
844     PhGC_t *gc;
845 
846     gc = PgGetGC();
847     PgSetRegion(PtWidgetRid(PtFindDisjoint(gui.vimTextArea)));
848     PgClearClippingsCx(gc);
849     PgClearTranslationCx(gc);
850 
851     PtWidgetOffset(gui.vimTextArea, &gui_ph_raw_offset);
852     PhTranslatePoint(&gui_ph_raw_offset, PtWidgetPos(gui.vimTextArea, NULL));
853 
854     PgSetTranslation(&gui_ph_raw_offset, Pg_RELATIVE);
855 }
856 
857     static void
858 gui_ph_draw_end(void)
859 {
860     gui_ph_raw_offset.x = -gui_ph_raw_offset.x;
861     gui_ph_raw_offset.y = -gui_ph_raw_offset.y;
862     PgSetTranslation(&gui_ph_raw_offset, Pg_RELATIVE);
863 }
864 
865 #ifdef USE_PANEL_GROUP
866     static vimmenu_T *
867 gui_ph_find_buffer_item(char_u *name)
868 {
869     vimmenu_T *top_level = root_menu;
870     vimmenu_T *items = NULL;
871 
872     while (top_level != NULL &&
873 	    (STRCMP(top_level->dname, "Buffers") != 0))
874 	top_level = top_level->next;
875 
876     if (top_level != NULL)
877     {
878 	items = top_level->children;
879 
880 	while (items != NULL &&
881 		(STRCMP(items->dname, name) != 0))
882 	    items = items->next;
883     }
884     return items;
885 }
886 
887     static void
888 gui_ph_pg_set_buffer_num(int_u buf_num)
889 {
890     int i;
891     char search[16];
892     char *mark;
893 
894     if (gui.vimTextArea == NULL || buf_num == 0)
895 	return;
896 
897     search[0] = '(';
898     ultoa(buf_num, &search[1], 10);
899     STRCAT(search, ")");
900 
901     for (i = 0; i < num_panels; i++)
902     {
903 	/* find the last "(" in the panel title and see if the buffer
904 	 * number in the title matches the one we're looking for */
905 	mark = STRRCHR(panel_titles[ i ], '(');
906 	if (mark != NULL && STRCMP(mark, search) == 0)
907 	{
908 	    PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_CURRENT_INDEX,
909 		    i, 0);
910 	}
911     }
912 }
913 
914     static int
915 gui_ph_handle_pg_change(
916 	PtWidget_t *widget,
917 	void *data,
918 	PtCallbackInfo_t *info)
919 {
920     vimmenu_T *menu;
921     PtPanelGroupCallback_t *panel;
922 
923     if (info->event != NULL)
924     {
925 	panel = info->cbdata;
926 	if (panel->new_panel != NULL)
927 	{
928 	    menu = gui_ph_find_buffer_item(panel->new_panel);
929 	    if (menu)
930 		gui_menu_cb(menu);
931 	}
932     }
933     return Pt_CONTINUE;
934 }
935 
936     static void
937 gui_ph_get_panelgroup_margins(
938 	short *top,
939 	short *bottom,
940 	short *left,
941 	short *right)
942 {
943     unsigned short abs_raw_x, abs_raw_y, abs_panel_x, abs_panel_y;
944     const unsigned short *margin_top, *margin_bottom;
945     const unsigned short *margin_left, *margin_right;
946 
947     PtGetAbsPosition(gui.vimTextArea, &abs_raw_x, &abs_raw_y);
948     PtGetAbsPosition(gui.vimPanelGroup, &abs_panel_x, &abs_panel_y);
949 
950     PtGetResource(gui.vimPanelGroup, Pt_ARG_MARGIN_RIGHT, &margin_right, 0);
951     PtGetResource(gui.vimPanelGroup, Pt_ARG_MARGIN_BOTTOM, &margin_bottom, 0);
952 
953     abs_raw_x -= abs_panel_x;
954     abs_raw_y -= abs_panel_y;
955 
956     *top    = abs_raw_y;
957     *bottom = *margin_bottom;
958 
959     *left  = abs_raw_x;
960     *right = *margin_right;
961 }
962 
963 /* Used for the tabs for PtPanelGroup */
964     static int
965 gui_ph_is_buffer_item(vimmenu_T *menu, vimmenu_T *parent)
966 {
967     char *mark;
968 
969     if (STRCMP(parent->dname, "Buffers") == 0)
970     {
971 	/* Look for '(' digits ')' */
972 	mark = vim_strchr(menu->dname, '(');
973 	if (mark != NULL)
974 	{
975 	    mark++;
976 	    while (isdigit(*mark))
977 		mark++;
978 
979 	    if (*mark == ')')
980 		return TRUE;
981 	}
982     }
983     return FALSE;
984 }
985 
986     static void
987 gui_ph_pg_add_buffer(char *name)
988 {
989     char **new_titles = NULL;
990 
991     new_titles = (char **) alloc((num_panels + 1) * sizeof(char **));
992     if (new_titles != NULL)
993     {
994 	if (num_panels > 0)
995 	    memcpy(new_titles, panel_titles, num_panels * sizeof(char **));
996 
997 	new_titles[ num_panels++ ] = name;
998 
999 	PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_PANEL_TITLES, new_titles,
1000 		num_panels);
1001 
1002 	vim_free(panel_titles);
1003 	panel_titles = new_titles;
1004     }
1005 }
1006 
1007     static void
1008 gui_ph_pg_remove_buffer(char *name)
1009 {
1010     int i;
1011     char **new_titles = NULL;
1012 
1013     /* If there is only 1 panel, we just use the temporary place holder */
1014     if (num_panels > 1)
1015     {
1016 	new_titles = (char **) alloc((num_panels - 1) * sizeof(char **));
1017 	if (new_titles != NULL)
1018 	{
1019 	    char **s = new_titles;
1020 	    /* Copy all the titles except the one we're removing */
1021 	    for (i = 0; i < num_panels; i++)
1022 	    {
1023 		if (STRCMP(panel_titles[ i ], name) != 0)
1024 		{
1025 		    *s++ = panel_titles[ i ];
1026 		}
1027 	    }
1028 	    num_panels--;
1029 
1030 	    PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_PANEL_TITLES, new_titles,
1031 		    num_panels);
1032 
1033 	    vim_free(panel_titles);
1034 	    panel_titles = new_titles;
1035 	}
1036     }
1037     else
1038     {
1039 	num_panels--;
1040 	PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_PANEL_TITLES, &empty_title,
1041 		1);
1042 
1043 	vim_free(panel_titles);
1044 	panel_titles = NULL;
1045     }
1046 }
1047 
1048 /* When a buffer item is deleted from the buffer menu */
1049     static int
1050 gui_ph_handle_buffer_remove(
1051 	PtWidget_t *widget,
1052 	void *data,
1053 	PtCallbackInfo_t *info)
1054 {
1055     vimmenu_T *menu;
1056 
1057     if (data != NULL)
1058     {
1059 	menu = (vimmenu_T *) data;
1060 	gui_ph_pg_remove_buffer(menu->dname);
1061     }
1062 
1063     return Pt_CONTINUE;
1064 }
1065 #endif
1066 
1067     static int
1068 gui_ph_pane_resize(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
1069 {
1070     if (PtWidgetIsRealized(widget))
1071     {
1072 	is_ignore_draw = TRUE;
1073 	PtStartFlux(gui.vimContainer);
1074 	PtContainerHold(gui.vimContainer);
1075     }
1076 
1077     return Pt_CONTINUE;
1078 }
1079 
1080 /****************************************************************************/
1081 
1082 #ifdef FEAT_MBYTE
1083     void
1084 gui_ph_encoding_changed(int new_encoding)
1085 {
1086     /* Default encoding is latin1 */
1087     char *charset = "latin1";
1088     int i;
1089 
1090     struct {
1091 	int encoding;
1092 	char *name;
1093     } charsets[] = {
1094 	{ DBCS_JPN, "SHIFT_JIS" },
1095 	{ DBCS_KOR, "csEUCKR" },
1096 	{ DBCS_CHT, "big5" },
1097 	{ DBCS_CHS, "gb" }
1098     };
1099 
1100     for (i = 0; i < ARRAY_LENGTH(charsets); i++)
1101     {
1102 	if (new_encoding == charsets[ i ].encoding)
1103 	    charset = charsets[ i ].name;
1104     }
1105 
1106     charset_translate = PxTranslateSet(charset_translate, charset);
1107 }
1108 #endif
1109 
1110 /****************************************************************************/
1111 /****************************************************************************/
1112 
1113     void
1114 gui_mch_prepare(int *argc, char **argv)
1115 {
1116     PtInit(NULL);
1117 }
1118 
1119     int
1120 gui_mch_init(void)
1121 {
1122     PtArg_t args[10];
1123     int	    flags = 0, n = 0;
1124 
1125     PhDim_t	window_size = {100, 100}; /* Arbitrary values */
1126     PhPoint_t	pos = {0, 0};
1127 
1128     gui.event_buffer = (PhEvent_t *) alloc(EVENT_BUFFER_SIZE);
1129     if (gui.event_buffer == NULL)
1130 	return FAIL;
1131 
1132     /* Get a translation so we can convert from ISO Latin-1 to UTF */
1133     charset_translate = PxTranslateSet(NULL, "latin1");
1134 
1135     /* The +2 is for the 1 pixel dark line on each side */
1136     gui.border_offset = gui.border_width = GUI_PH_MARGIN + 2;
1137 
1138     /* Handle close events ourselves */
1139     PtSetArg(&args[ n++ ], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE);
1140     PtSetArg(&args[ n++ ], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
1141 	    Ph_WM_CLOSE | Ph_WM_RESIZE | Ph_WM_FOCUS);
1142     PtSetArg(&args[ n++ ], Pt_ARG_DIM, &window_size, 0);
1143     gui.vimWindow = PtCreateWidget(PtWindow, NULL, n, args);
1144     if (gui.vimWindow == NULL)
1145 	return FAIL;
1146 
1147     PtAddCallback(gui.vimWindow, Pt_CB_WINDOW, gui_ph_handle_window_cb, NULL);
1148     PtAddCallback(gui.vimWindow, Pt_CB_WINDOW_OPENING,
1149 	    gui_ph_handle_window_open, NULL);
1150 
1151     n = 0;
1152     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS, Pt_ANCHOR_ALL, Pt_IS_ANCHORED);
1153     PtSetArg(&args[ n++ ], Pt_ARG_DIM, &window_size, 0);
1154     PtSetArg(&args[ n++ ], Pt_ARG_POS, &pos, 0);
1155 
1156 #ifdef USE_PANEL_GROUP
1157     /* Put in a temporary place holder title */
1158     PtSetArg(&args[ n++ ], Pt_ARG_PG_PANEL_TITLES, &empty_title, 1);
1159 
1160     gui.vimPanelGroup = PtCreateWidget(PtPanelGroup, gui.vimWindow, n, args);
1161     if (gui.vimPanelGroup == NULL)
1162 	return FAIL;
1163 
1164     PtAddCallback(gui.vimPanelGroup, Pt_CB_PG_PANEL_SWITCHING,
1165 	    gui_ph_handle_pg_change, NULL);
1166 #else
1167     /* Turn off all edge decorations */
1168     PtSetArg(&args[ n++ ], Pt_ARG_BASIC_FLAGS, Pt_FALSE, Pt_ALL);
1169     PtSetArg(&args[ n++ ], Pt_ARG_BEVEL_WIDTH, 0, 0);
1170     PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_WIDTH, 0, 0);
1171     PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_HEIGHT, 0, 0);
1172     PtSetArg(&args[ n++ ], Pt_ARG_CONTAINER_FLAGS, Pt_TRUE, Pt_AUTO_EXTENT);
1173 
1174     gui.vimContainer = PtCreateWidget(PtPane, gui.vimWindow, n, args);
1175     if (gui.vimContainer == NULL)
1176 	return FAIL;
1177 
1178     PtAddCallback(gui.vimContainer, Pt_CB_RESIZE, gui_ph_pane_resize, NULL);
1179 #endif
1180 
1181     /* Size for the text area is set in gui_mch_set_text_area_pos */
1182     n = 0;
1183 
1184     PtSetArg(&args[ n++ ], Pt_ARG_RAW_DRAW_F, gui_ph_handle_raw_draw, 1);
1185     PtSetArg(&args[ n++ ], Pt_ARG_BEVEL_WIDTH, GUI_PH_MARGIN, 0);
1186     /*
1187      * Using focus render also causes the whole widget to be redrawn
1188      * whenever it changes focus, which is very annoying :p
1189      */
1190     PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_TRUE,
1191 	    Pt_GETS_FOCUS | Pt_HIGHLIGHTED);
1192 #ifndef FEAT_MOUSESHAPE
1193     PtSetArg(&args[ n++ ], Pt_ARG_CURSOR_TYPE, GUI_PH_MOUSE_TYPE, 0);
1194     PtSetArg(&args[ n++ ], Pt_ARG_CURSOR_COLOR, gui_ph_mouse_color, 0);
1195 #endif
1196 
1197     gui.vimTextArea = PtCreateWidget(PtRaw, Pt_DFLT_PARENT, n, args);
1198     if (gui.vimTextArea == NULL)
1199 	return FAIL;
1200 
1201     /* TODO: use PtAddEventHandlers instead? */
1202     /* Not using Ph_EV_BUT_REPEAT because vim wouldn't use it anyway */
1203     PtAddEventHandler(gui.vimTextArea,
1204 	    Ph_EV_BUT_PRESS | Ph_EV_BUT_RELEASE | Ph_EV_PTR_MOTION_BUTTON,
1205 	    gui_ph_handle_mouse, NULL);
1206     PtAddEventHandler(gui.vimTextArea, Ph_EV_KEY,
1207 	    gui_ph_handle_keyboard, NULL);
1208     PtAddCallback(gui.vimTextArea, Pt_CB_GOT_FOCUS,
1209 	    gui_ph_handle_focus, NULL);
1210     PtAddCallback(gui.vimTextArea, Pt_CB_LOST_FOCUS,
1211 	    gui_ph_handle_focus, NULL);
1212 
1213     /*
1214      * Now that the text area widget has been created, set up the colours,
1215      * which wil call PtSetResource from gui_mch_new_colors
1216      */
1217 
1218     /*
1219      * Create the two timers, not as accurate as using the kernel timer
1220      * functions, but good enough
1221      */
1222     gui_ph_timer_cursor  = PtCreateWidget(PtTimer, gui.vimWindow, 0, NULL);
1223     if (gui_ph_timer_cursor == NULL)
1224 	return FAIL;
1225 
1226     gui_ph_timer_timeout = PtCreateWidget(PtTimer, gui.vimWindow, 0, NULL);
1227     if (gui_ph_timer_timeout == NULL)
1228 	return FAIL;
1229 
1230     PtAddCallback(gui_ph_timer_cursor,  Pt_CB_TIMER_ACTIVATE,
1231 	    gui_ph_handle_timer_cursor, NULL);
1232     PtAddCallback(gui_ph_timer_timeout, Pt_CB_TIMER_ACTIVATE,
1233 	    gui_ph_handle_timer_timeout, NULL);
1234 
1235 #ifdef FEAT_MENU
1236     n = 0;
1237     PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, window_size.w, 0);
1238     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS, Pt_ANCHOR_LEFT_RIGHT,
1239 	    Pt_IS_ANCHORED);
1240     gui.vimToolBarGroup = PtCreateWidget(PtToolbarGroup, gui.vimWindow,
1241 	    n, args);
1242     if (gui.vimToolBarGroup == NULL)
1243 	return FAIL;
1244 
1245     PtAddCallback(gui.vimToolBarGroup, Pt_CB_RESIZE,
1246 	    gui_ph_handle_menu_resize, NULL);
1247 
1248     n = 0;
1249     flags = 0;
1250     PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, window_size.w, 0);
1251     if (! vim_strchr(p_go, GO_MENUS))
1252     {
1253 	flags |= Pt_DELAY_REALIZE;
1254 	PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_TRUE, flags);
1255     }
1256     gui.vimMenuBar = PtCreateWidget(PtMenuBar, gui.vimToolBarGroup, n, args);
1257     if (gui.vimMenuBar == NULL)
1258 	return FAIL;
1259 
1260 # ifdef FEAT_TOOLBAR
1261     n = 0;
1262 
1263     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS,
1264 	    Pt_ANCHOR_LEFT_RIGHT |Pt_TOP_ANCHORED_TOP, Pt_IS_ANCHORED);
1265     PtSetArg(&args[ n++ ], Pt_ARG_RESIZE_FLAGS, Pt_TRUE,
1266 	    Pt_RESIZE_Y_AS_REQUIRED);
1267     PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, window_size.w, 0);
1268 
1269     flags = Pt_GETS_FOCUS;
1270     if (! vim_strchr(p_go, GO_TOOLBAR))
1271 	flags |= Pt_DELAY_REALIZE;
1272 
1273     PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_DELAY_REALIZE, flags);
1274 
1275     gui.vimToolBar = PtCreateWidget(PtToolbar, gui.vimToolBarGroup, n, args);
1276     if (gui.vimToolBar == NULL)
1277 	return FAIL;
1278 
1279     /*
1280      * Size for the toolbar is fetched in gui_mch_show_toolbar, after
1281      * the buttons have been added and the toolbar has resized it's height
1282      * for the buttons to fit
1283      */
1284 # endif
1285 
1286 #endif
1287 
1288     return OK;
1289 }
1290 
1291     int
1292 gui_mch_init_check(void)
1293 {
1294     return (is_photon_available == TRUE) ? OK : FAIL;
1295 }
1296 
1297     int
1298 gui_mch_open(void)
1299 {
1300     gui.norm_pixel =  Pg_BLACK;
1301     gui.back_pixel =  Pg_WHITE;
1302 
1303     set_normal_colors();
1304 
1305     gui_check_colors();
1306     gui.def_norm_pixel = gui.norm_pixel;
1307     gui.def_back_pixel = gui.back_pixel;
1308 
1309     highlight_gui_started();
1310 
1311     if (gui_win_x != -1 && gui_win_y != -1)
1312 	gui_mch_set_winpos(gui_win_x, gui_win_y);
1313 
1314     return (PtRealizeWidget(gui.vimWindow) == 0) ? OK : FAIL;
1315 }
1316 
1317     void
1318 gui_mch_exit(int rc)
1319 {
1320     PtDestroyWidget(gui.vimWindow);
1321 
1322     PxTranslateSet(charset_translate, NULL);
1323 
1324     vim_free(gui.event_buffer);
1325 
1326 #ifdef USE_PANEL_GROUPS
1327     vim_free(panel_titles);
1328 #endif
1329 }
1330 
1331 /****************************************************************************/
1332 /* events */
1333 
1334 /* When no events are available, photon will call this function, working is
1335  * set to FALSE, and the gui_mch_update loop will exit. */
1336     static int
1337 exit_gui_mch_update(void *data)
1338 {
1339     *(int *)data = FALSE;
1340     return Pt_END;
1341 }
1342 
1343     void
1344 gui_mch_update(void)
1345 {
1346     int working = TRUE;
1347 
1348     PtAppAddWorkProc(NULL, exit_gui_mch_update, &working);
1349     while ((working == TRUE) && !vim_is_input_buf_full())
1350     {
1351 	PtProcessEvent();
1352     }
1353 }
1354 
1355     int
1356 gui_mch_wait_for_chars(int wtime)
1357 {
1358     is_timeout = FALSE;
1359 
1360     if (wtime > 0)
1361 	PtSetResource(gui_ph_timer_timeout, Pt_ARG_TIMER_INITIAL, wtime, 0);
1362 
1363     while (1)
1364     {
1365 	PtProcessEvent();
1366 	if (input_available())
1367 	{
1368 	    PtSetResource(gui_ph_timer_timeout, Pt_ARG_TIMER_INITIAL, 0, 0);
1369 	    return OK;
1370 	}
1371 	else if (is_timeout == TRUE)
1372 	    return FAIL;
1373     }
1374 }
1375 
1376 #if defined(FEAT_BROWSE) || defined(PROTO)
1377 /*
1378  * Put up a file requester.
1379  * Returns the selected name in allocated memory, or NULL for Cancel.
1380  * saving,	    select file to write
1381  * title	    title for the window
1382  * default_name	    default name (well duh!)
1383  * ext		    not used (extension added)
1384  * initdir	    initial directory, NULL for current dir
1385  * filter	    not used (file name filter)
1386  */
1387     char_u *
1388 gui_mch_browse(
1389 	int saving,
1390 	char_u *title,
1391 	char_u *default_name,
1392 	char_u *ext,
1393 	char_u *initdir,
1394 	char_u *filter)
1395 {
1396     PtFileSelectionInfo_t file;
1397     int	    flags;
1398     char_u  *default_path;
1399     char_u  *open_text = NULL;
1400 
1401     flags = 0;
1402     memset(&file, 0, sizeof(file));
1403 
1404     default_path = alloc(MAXPATHL + 1 + NAME_MAX + 1);
1405     if (default_path != NULL)
1406     {
1407 	if (saving == TRUE)
1408 	{
1409 	    /* Don't need Pt_FSR_CONFIRM_EXISTING, vim will ask anyway */
1410 	    flags |= Pt_FSR_NO_FCHECK;
1411 	    open_text = "&Save";
1412 	}
1413 
1414 	/* combine the directory and filename into a single path */
1415 	if (initdir == NULL || *initdir == NUL)
1416 	{
1417 	    mch_dirname(default_path, MAXPATHL);
1418 	    initdir = default_path;
1419 	}
1420 	else
1421 	{
1422 	    STRCPY(default_path, initdir);
1423 	    initdir = default_path;
1424 	}
1425 
1426 	if (default_name != NULL)
1427 	{
1428 	    if (default_path[ STRLEN(default_path) - 1 ] != '/')
1429 		STRCAT(default_path, "/");
1430 
1431 	    STRCAT(default_path, default_name);
1432 	}
1433 
1434 	/* TODO: add a filter? */
1435 	PtFileSelection(
1436 		gui.vimWindow,
1437 		NULL,
1438 		title,
1439 		default_path,
1440 		NULL,
1441 		open_text,
1442 		NULL,
1443 		NULL,
1444 		&file,
1445 		flags);
1446 
1447 	vim_free(default_path);
1448 
1449 	if (file.ret == Pt_FSDIALOG_BTN1)
1450 	    return vim_strsave(file.path);
1451     }
1452     return NULL;
1453 }
1454 #endif
1455 
1456 #if defined(FEAT_GUI_DIALOG) || defined(PROTO)
1457 static PtWidget_t *gui_ph_dialog_text = NULL;
1458 
1459     static int
1460 gui_ph_dialog_close(int button, void *data)
1461 {
1462     PtModalCtrl_t *modal_ctrl = data;
1463     char_u *dialog_text, *vim_text;
1464 
1465     if (gui_ph_dialog_text != NULL)
1466     {
1467 	PtGetResource(gui_ph_dialog_text, Pt_ARG_TEXT_STRING, &dialog_text, 0);
1468 	PtGetResource(gui_ph_dialog_text, Pt_ARG_POINTER, &vim_text, 0);
1469 	STRNCPY(vim_text, dialog_text, IOSIZE - 1);
1470     }
1471 
1472     PtModalUnblock(modal_ctrl, (void *) button);
1473 
1474     return Pt_TRUE;
1475 }
1476 
1477     static int
1478 gui_ph_dialog_text_enter(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
1479 {
1480     if (info->reason_subtype == Pt_EDIT_ACTIVATE)
1481 	gui_ph_dialog_close(1, data);
1482     return Pt_CONTINUE;
1483 }
1484 
1485     static int
1486 gui_ph_dialog_esc(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
1487 {
1488     PhKeyEvent_t *key;
1489 
1490     key = PhGetData(info->event);
1491     if ((key->key_flags & Pk_KF_Cap_Valid) && (key->key_cap == Pk_Escape))
1492     {
1493 	gui_ph_dialog_close(0, data);
1494 	return Pt_CONSUME;
1495     }
1496     return Pt_PROCESS;
1497 }
1498 
1499     int
1500 gui_mch_dialog(
1501 	int	type,
1502 	char_u	*title,
1503 	char_u	*message,
1504 	char_u	*buttons,
1505 	int	default_button,
1506 	char_u	*textfield,
1507 	int	ex_cmd)
1508 {
1509     char_u	*str;
1510     char_u	**button_array;
1511     char_u	*buttons_copy;
1512 
1513     int		button_count;
1514     int		i, len;
1515     int		dialog_result = -1;
1516 
1517     /* FIXME: the vertical option in guioptions is blatantly ignored */
1518     /* FIXME: so is the type */
1519 
1520     button_count = len = i = 0;
1521 
1522     if (buttons == NULL || *buttons == NUL)
1523 	return -1;
1524 
1525     /* There is one less separator than buttons, so bump up the button count */
1526     button_count = 1;
1527 
1528     /* Count string length and number of separators */
1529     for (str = buttons; *str; str++)
1530     {
1531 	len++;
1532 	if (*str == DLG_BUTTON_SEP)
1533 	    button_count++;
1534     }
1535 
1536     if (title == NULL)
1537 	title = "Vim";
1538 
1539     buttons_copy = alloc(len + 1);
1540     button_array = (char_u **) alloc(button_count * sizeof(char_u *));
1541     if (buttons_copy != NULL && button_array != NULL)
1542     {
1543 	STRCPY(buttons_copy, buttons);
1544 
1545 	/*
1546 	 * Convert DLG_BUTTON_SEP into NUL's and fill in
1547 	 * button_array with the pointer to each NUL terminated string
1548 	 */
1549 	str = buttons_copy;
1550 	for (i = 0; i < button_count; i++)
1551 	{
1552 	    button_array[ i ] = str;
1553 	    for (; *str; str++)
1554 	    {
1555 		if (*str == DLG_BUTTON_SEP)
1556 		{
1557 		    *str++ = NUL;
1558 		    break;
1559 		}
1560 	    }
1561 	}
1562 #ifndef FEAT_GUI_TEXTDIALOG
1563 	dialog_result = PtAlert(
1564 		gui.vimWindow, NULL,
1565 		title,
1566 		NULL,
1567 		message, NULL,
1568 		button_count, (const char **) button_array, NULL,
1569 		default_button, 0, Pt_MODAL);
1570 #else
1571 	/* Writing the dialog ourselves lets us add extra features, like
1572 	 * trapping the escape key and returning 0 to vim */
1573 	{
1574 	    int n;
1575 	    PtArg_t args[5];
1576 	    PtWidget_t *dialog, *pane;
1577 	    PtModalCtrl_t modal_ctrl;
1578 	    PtDialogInfo_t di;
1579 
1580 	    memset(&di, 0, sizeof(di));
1581 	    memset(&modal_ctrl, 0, sizeof(modal_ctrl));
1582 
1583 	    n = 0;
1584 	    PtSetArg(&args[n++], Pt_ARG_GROUP_ROWS_COLS, 0, 0);
1585 	    PtSetArg(&args[n++], Pt_ARG_WIDTH, 350, 0);
1586 	    PtSetArg(&args[n++], Pt_ARG_GROUP_ORIENTATION,
1587 		    Pt_GROUP_VERTICAL, 0);
1588 	    PtSetArg(&args[n++], Pt_ARG_GROUP_FLAGS,
1589 		    Pt_TRUE, Pt_GROUP_NO_KEYS | Pt_GROUP_STRETCH_HORIZONTAL);
1590 	    PtSetArg(&args[n++], Pt_ARG_CONTAINER_FLAGS, Pt_FALSE, Pt_TRUE);
1591 	    pane = PtCreateWidget(PtGroup, NULL, n, args);
1592 
1593 	    n = 0;
1594 	    PtSetArg(&args[n++], Pt_ARG_TEXT_STRING, message, 0);
1595 	    PtCreateWidget(PtLabel, pane, n, args);
1596 
1597 	    if (textfield != NULL)
1598 	    {
1599 		n = 0;
1600 		PtSetArg(&args[n++], Pt_ARG_MAX_LENGTH, IOSIZE - 1, 0);
1601 		PtSetArg(&args[n++], Pt_ARG_TEXT_STRING, textfield, 0);
1602 		PtSetArg(&args[n++], Pt_ARG_POINTER, textfield, 0);
1603 		gui_ph_dialog_text = PtCreateWidget(PtText, pane, n, args);
1604 		PtAddCallback(gui_ph_dialog_text, Pt_CB_ACTIVATE,
1605 			gui_ph_dialog_text_enter, &modal_ctrl);
1606 	    }
1607 
1608 	    di.parent = gui.vimWindow;
1609 	    di.pane = pane;
1610 	    di.title = title;
1611 	    di.buttons = (const char **) button_array;
1612 	    di.nbtns = button_count;
1613 	    di.def_btn = default_button;
1614 	    /* This is just to give the dialog the close button.
1615 	     * We check for the Escape key ourselves and return 0 */
1616 	    di.esc_btn = button_count;
1617 	    di.callback = gui_ph_dialog_close;
1618 	    di.data = &modal_ctrl;
1619 
1620 	    dialog = PtCreateDialog(&di);
1621 	    PtAddFilterCallback(dialog, Ph_EV_KEY,
1622 		    gui_ph_dialog_esc, &modal_ctrl);
1623 
1624 	    if (gui_ph_dialog_text != NULL)
1625 		PtGiveFocus(gui_ph_dialog_text, NULL);
1626 
1627 	    /* Open dialog, block the vim window and wait for the dialog to close */
1628 	    PtRealizeWidget(dialog);
1629 	    PtMakeModal(dialog, Ph_CURSOR_NOINPUT, Ph_CURSOR_DEFAULT_COLOR);
1630 	    dialog_result = (int) PtModalBlock(&modal_ctrl, 0);
1631 
1632 	    PtDestroyWidget(dialog);
1633 	    gui_ph_dialog_text = NULL;
1634 	}
1635 #endif
1636     }
1637 
1638     vim_free(button_array);
1639     vim_free(buttons_copy);
1640 
1641     return dialog_result;
1642 }
1643 #endif
1644 /****************************************************************************/
1645 /* window size/position/state */
1646 
1647     int
1648 gui_mch_get_winpos(int *x, int *y)
1649 {
1650     PhPoint_t *pos;
1651 
1652     pos = PtWidgetPos(gui.vimWindow, NULL);
1653 
1654     *x = pos->x;
1655     *y = pos->y;
1656 
1657     return OK;
1658 }
1659 
1660     void
1661 gui_mch_set_winpos(int x, int y)
1662 {
1663     PhPoint_t pos = { x, y };
1664 
1665     PtSetResource(gui.vimWindow, Pt_ARG_POS, &pos, 0);
1666 }
1667 
1668     void
1669 gui_mch_set_shellsize(int width, int height,
1670 	int min_width, int min_height, int base_width, int base_height,
1671 	int direction)
1672 {
1673     PhDim_t window_size = { width, height };
1674     PhDim_t min_size = { min_width, min_height };
1675 
1676 #ifdef USE_PANEL_GROUP
1677     window_size.w += pg_margin_left + pg_margin_right;
1678     window_size.h += pg_margin_top + pg_margin_bottom;
1679 #endif
1680 
1681     PtSetResource(gui.vimWindow, Pt_ARG_MINIMUM_DIM, &min_size, 0);
1682     PtSetResource(gui.vimWindow, Pt_ARG_DIM, &window_size, 0);
1683 
1684     if (! PtWidgetIsRealized(gui.vimWindow))
1685 	gui_ph_resize_container();
1686 }
1687 
1688 /*
1689  * Return the amount of screen space that hasn't been allocated (such as
1690  * by the shelf).
1691  */
1692     void
1693 gui_mch_get_screen_dimensions(int *screen_w, int *screen_h)
1694 {
1695     PhRect_t console;
1696 
1697     PhWindowQueryVisible(Ph_QUERY_WORKSPACE, 0,
1698 	    PhInputGroup(NULL), &console);
1699 
1700     *screen_w = console.lr.x - console.ul.x + 1;
1701     *screen_h = console.lr.y - console.ul.y + 1;
1702 }
1703 
1704     void
1705 gui_mch_iconify(void)
1706 {
1707     PhWindowEvent_t event;
1708 
1709     memset(&event, 0, sizeof (event));
1710     event.event_f = Ph_WM_HIDE;
1711     event.event_state = Ph_WM_EVSTATE_HIDE;
1712     event.rid = PtWidgetRid(gui.vimWindow);
1713     PtForwardWindowEvent(&event);
1714 }
1715 
1716 #if defined(FEAT_EVAL) || defined(PROTO)
1717 /*
1718  * Bring the Vim window to the foreground.
1719  */
1720     void
1721 gui_mch_set_foreground(void)
1722 {
1723     PhWindowEvent_t event;
1724 
1725     memset(&event, 0, sizeof (event));
1726     event.event_f = Ph_WM_TOFRONT;
1727     event.event_state = Ph_WM_EVSTATE_FFRONT;
1728     event.rid = PtWidgetRid(gui.vimWindow);
1729     PtForwardWindowEvent(&event);
1730 }
1731 #endif
1732 
1733     void
1734 gui_mch_settitle(char_u *title,	char_u *icon)
1735 {
1736 #ifdef USE_PANEL_GROUP
1737     gui_ph_pg_set_buffer_num(curwin->w_buffer->b_fnum);
1738 #endif
1739     PtSetResource(gui.vimWindow, Pt_ARG_WINDOW_TITLE, title, 0);
1740     /* Not sure what to do with the icon text, set balloon text somehow? */
1741 }
1742 
1743 /****************************************************************************/
1744 /* Scrollbar */
1745 
1746     void
1747 gui_mch_set_scrollbar_thumb(scrollbar_T *sb, int val, int size, int max)
1748 {
1749     int	    n = 0;
1750     PtArg_t args[3];
1751 
1752     PtSetArg(&args[ n++ ], Pt_ARG_MAXIMUM, max, 0);
1753     PtSetArg(&args[ n++ ], Pt_ARG_SLIDER_SIZE, size, 0);
1754     PtSetArg(&args[ n++ ], Pt_ARG_GAUGE_VALUE, val, 0);
1755     PtSetResources(sb->id, n, args);
1756 }
1757 
1758     void
1759 gui_mch_set_scrollbar_pos(scrollbar_T *sb, int x, int y, int w, int h)
1760 {
1761     PhArea_t area = {{ x, y }, { w, h }};
1762 
1763     PtSetResource(sb->id, Pt_ARG_AREA, &area, 0);
1764 }
1765 
1766     void
1767 gui_mch_create_scrollbar(scrollbar_T *sb, int orient)
1768 {
1769     int	    n = 0;
1770 /*    int	    anchor_flags = 0;*/
1771     PtArg_t args[4];
1772 
1773     /*
1774      * Stop the scrollbar from being realized when the parent
1775      * is realized, so it can be explicitly realized by vim.
1776      *
1777      * Also, don't let the scrollbar get focus
1778      */
1779     PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_DELAY_REALIZE,
1780 	    Pt_DELAY_REALIZE | Pt_GETS_FOCUS);
1781     PtSetArg(&args[ n++ ], Pt_ARG_SCROLLBAR_FLAGS, Pt_SCROLLBAR_SHOW_ARROWS, 0);
1782 #if 0
1783     /* Don't need this anchoring for the scrollbars */
1784     if (orient == SBAR_HORIZ)
1785     {
1786 	anchor_flags = Pt_BOTTOM_ANCHORED_BOTTOM |
1787 	    Pt_LEFT_ANCHORED_LEFT | Pt_RIGHT_ANCHORED_RIGHT;
1788     }
1789     else
1790     {
1791 	anchor_flags = Pt_BOTTOM_ANCHORED_BOTTOM | Pt_TOP_ANCHORED_TOP;
1792 	if (sb->wp != NULL)
1793 	{
1794 	    if (sb == &sb->wp->w_scrollbars[ SBAR_LEFT ])
1795 		anchor_flags |= Pt_LEFT_ANCHORED_LEFT;
1796 	    else
1797 		anchor_flags |= Pt_RIGHT_ANCHORED_RIGHT;
1798 	}
1799     }
1800     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS, anchor_flags, Pt_IS_ANCHORED);
1801 #endif
1802     PtSetArg(&args[ n++ ], Pt_ARG_ORIENTATION,
1803 	    (orient == SBAR_HORIZ) ? Pt_HORIZONTAL : Pt_VERTICAL, 0);
1804 #ifdef USE_PANEL_GROUP
1805     sb->id = PtCreateWidget(PtScrollbar, gui.vimPanelGroup, n, args);
1806 #else
1807     sb->id = PtCreateWidget(PtScrollbar, gui.vimContainer, n, args);
1808 #endif
1809 
1810     PtAddCallback(sb->id, Pt_CB_SCROLLBAR_MOVE, gui_ph_handle_scrollbar, sb);
1811 }
1812 
1813     void
1814 gui_mch_enable_scrollbar(scrollbar_T *sb, int flag)
1815 {
1816     if (flag != 0)
1817 	PtRealizeWidget(sb->id);
1818     else
1819 	PtUnrealizeWidget(sb->id);
1820 }
1821 
1822     void
1823 gui_mch_destroy_scrollbar(scrollbar_T *sb)
1824 {
1825     PtDestroyWidget(sb->id);
1826     sb->id = NULL;
1827 }
1828 
1829 /****************************************************************************/
1830 /* Mouse functions */
1831 
1832 #if defined(FEAT_MOUSESHAPE) || defined(PROTO)
1833 /* The last set mouse pointer shape is remembered, to be used when it goes
1834  * from hidden to not hidden. */
1835 static int last_shape = 0;
1836 
1837 /* Table for shape IDs.  Keep in sync with the mshape_names[] table in
1838  * misc2.c! */
1839 static int mshape_ids[] =
1840 {
1841     Ph_CURSOR_POINTER,		/* arrow */
1842     Ph_CURSOR_NONE,		/* blank */
1843     Ph_CURSOR_INSERT,		/* beam */
1844     Ph_CURSOR_DRAG_VERTICAL,	/* updown */
1845     Ph_CURSOR_DRAG_VERTICAL,	/* udsizing */
1846     Ph_CURSOR_DRAG_HORIZONTAL,	/* leftright */
1847     Ph_CURSOR_DRAG_HORIZONTAL,	/* lrsizing */
1848     Ph_CURSOR_WAIT,		/* busy */
1849     Ph_CURSOR_DONT,		/* no */
1850     Ph_CURSOR_CROSSHAIR,	/* crosshair */
1851     Ph_CURSOR_FINGER,		/* hand1 */
1852     Ph_CURSOR_FINGER,		/* hand2 */
1853     Ph_CURSOR_FINGER,		/* pencil */
1854     Ph_CURSOR_QUESTION_POINT,	/* question */
1855     Ph_CURSOR_POINTER,		/* right-arrow */
1856     Ph_CURSOR_POINTER,		/* up-arrow */
1857     Ph_CURSOR_POINTER		/* last one */
1858 };
1859 
1860     void
1861 mch_set_mouse_shape(int shape)
1862 {
1863     int	    id;
1864 
1865     if (!gui.in_use)
1866 	return;
1867 
1868     if (shape == MSHAPE_HIDE || gui.pointer_hidden)
1869 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE,
1870 		0);
1871     else
1872     {
1873 	if (shape >= MSHAPE_NUMBERED)
1874 	    id = Ph_CURSOR_POINTER;
1875 	else
1876 	    id = mshape_ids[shape];
1877 
1878 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE, id,	0);
1879     }
1880     if (shape != MSHAPE_HIDE)
1881 	last_shape = shape;
1882 }
1883 #endif
1884 
1885     void
1886 gui_mch_mousehide(int hide)
1887 {
1888     if (gui.pointer_hidden != hide)
1889     {
1890 	gui.pointer_hidden = hide;
1891 #ifdef FEAT_MOUSESHAPE
1892 	if (hide)
1893 	    PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE,
1894 		    Ph_CURSOR_NONE, 0);
1895 	else
1896 	    mch_set_mouse_shape(last_shape);
1897 #else
1898 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE,
1899 		(hide == MOUSE_SHOW) ? GUI_PH_MOUSE_TYPE : Ph_CURSOR_NONE,
1900 		0);
1901 #endif
1902     }
1903 }
1904 
1905     void
1906 gui_mch_getmouse(int *x, int *y)
1907 {
1908     PhCursorInfo_t info;
1909     short ix, iy;
1910 
1911     /* FIXME: does this return the correct position,
1912      * with respect to the border? */
1913     PhQueryCursor(PhInputGroup(NULL), &info);
1914     PtGetAbsPosition(gui.vimTextArea , &ix, &iy);
1915 
1916     *x = info.pos.x - ix;
1917     *y = info.pos.y - iy;
1918 }
1919 
1920     void
1921 gui_mch_setmouse(int x, int y)
1922 {
1923     short abs_x, abs_y;
1924 
1925     PtGetAbsPosition(gui.vimTextArea, &abs_x, &abs_y);
1926     /* Add the border offset? */
1927     PhMoveCursorAbs(PhInputGroup(NULL), abs_x + x, abs_y + y);
1928 }
1929 
1930 /****************************************************************************/
1931 /* Colours */
1932 
1933 /*
1934  * Return the RGB value of a pixel as a long.
1935  */
1936     guicolor_T
1937 gui_mch_get_rgb(guicolor_T pixel)
1938 {
1939     return (guicolor_T)(PgRGB(PgRedValue(pixel),
1940 				     PgGreenValue(pixel), PgBlueValue(pixel)));
1941 }
1942 
1943     void
1944 gui_mch_new_colors(void)
1945 {
1946 #if 0 /* Don't bother changing the cursor colour */
1947     short color_diff;
1948 
1949     /*
1950      * If there isn't enough difference between the background colour and
1951      * the mouse pointer colour then change the mouse pointer colour
1952      */
1953     color_diff = gui_get_lightness(gui_ph_mouse_color)
1954 					  - gui_get_lightness(gui.back_pixel);
1955 
1956     if (abs(color_diff) < 64)
1957     {
1958 	short r, g, b;
1959 	/* not a great algorithm... */
1960 	r = PgRedValue(gui_ph_mouse_color) ^ 255;
1961 	g = PgGreenValue(gui_ph_mouse_color) ^ 255;
1962 	b = PgBlueValue(gui_ph_mouse_color) ^ 255;
1963 
1964 #ifndef FEAT_MOUSESHAPE
1965 	gui_ph_mouse_color = PgRGB(r, g, b);
1966 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_COLOR,
1967 		gui_ph_mouse_color, 0);
1968 #endif
1969     }
1970 #endif
1971 
1972     PtSetResource(gui.vimTextArea, Pt_ARG_FILL_COLOR, gui.back_pixel, 0);
1973 }
1974 
1975 /*
1976  * This should be split out into a separate file,
1977  * every port does basically the same thing.
1978  *
1979  * This is the gui_w32.c version (i think..)
1980  * Return INVALCOLOR when failed.
1981  */
1982 
1983     guicolor_T
1984 gui_mch_get_color(char_u *name)
1985 {
1986     return gui_get_color_cmn(name);
1987 }
1988 
1989     guicolor_T
1990 gui_mch_get_rgb_color(int r, int g, int b)
1991 {
1992     return gui_get_rgb_color_cmn(r, g, b);
1993 }
1994 
1995     void
1996 gui_mch_set_fg_color(guicolor_T color)
1997 {
1998     PgSetTextColor(color);
1999 }
2000 
2001     void
2002 gui_mch_set_bg_color(guicolor_T color)
2003 {
2004     PgSetFillColor(color);
2005 }
2006 
2007     void
2008 gui_mch_set_sp_color(guicolor_T color)
2009 {
2010 }
2011 
2012     void
2013 gui_mch_invert_rectangle(int row, int col, int nr, int nc)
2014 {
2015     PhRect_t rect;
2016 
2017     rect.ul.x = FILL_X(col);
2018     rect.ul.y = FILL_Y(row);
2019 
2020     /* FIXME: This has an off by one pixel problem */
2021     rect.lr.x = rect.ul.x + nc * gui.char_width;
2022     rect.lr.y = rect.ul.y + nr * gui.char_height;
2023     if (nc > 0)
2024 	rect.lr.x -= 1;
2025     if (nr > 0)
2026 	rect.lr.y -= 1;
2027 
2028     DRAW_START;
2029     PgSetDrawMode(Pg_DrawModeDSTINVERT);
2030     PgDrawRect(&rect, Pg_DRAW_FILL);
2031     PgSetDrawMode(Pg_DrawModeSRCCOPY);
2032     DRAW_END;
2033 }
2034 
2035     void
2036 gui_mch_clear_block(int row1, int col1, int row2, int col2)
2037 {
2038     PhRect_t block = {
2039 	{ FILL_X(col1), FILL_Y(row1) },
2040 	{ FILL_X(col2 + 1) - 1, FILL_Y(row2 + 1) - 1}
2041     };
2042 
2043     DRAW_START;
2044     gui_mch_set_bg_color(gui.back_pixel);
2045     PgDrawRect(&block, Pg_DRAW_FILL);
2046     DRAW_END;
2047 }
2048 
2049     void
2050 gui_mch_clear_all(void)
2051 {
2052     PhRect_t text_rect = {
2053 	{ gui.border_width, gui.border_width },
2054 	{ Columns * gui.char_width + gui.border_width - 1 ,
2055 	    Rows * gui.char_height + gui.border_width - 1 }
2056     };
2057 
2058     if (is_ignore_draw == TRUE)
2059 	return;
2060 
2061     DRAW_START;
2062     gui_mch_set_bg_color(gui.back_pixel);
2063     PgDrawRect(&text_rect, Pg_DRAW_FILL);
2064     DRAW_END;
2065 }
2066 
2067     void
2068 gui_mch_delete_lines(int row, int num_lines)
2069 {
2070     PhRect_t    rect;
2071     PhPoint_t   delta;
2072 
2073     rect.ul.x = FILL_X(gui.scroll_region_left);
2074     rect.ul.y = FILL_Y(row + num_lines);
2075 
2076     rect.lr.x = FILL_X(gui.scroll_region_right + 1) - 1;
2077     rect.lr.y = FILL_Y(gui.scroll_region_bot + 1) - 1;
2078 
2079     PtWidgetOffset(gui.vimTextArea, &gui_ph_raw_offset);
2080     PhTranslatePoint(&gui_ph_raw_offset, PtWidgetPos(gui.vimTextArea, NULL));
2081     PhTranslateRect(&rect, &gui_ph_raw_offset);
2082 
2083     delta.x = 0;
2084     delta.y = -num_lines * gui.char_height;
2085 
2086     PgFlush();
2087 
2088     PhBlit(PtWidgetRid(PtFindDisjoint(gui.vimTextArea)), &rect, &delta);
2089 
2090     gui_clear_block(
2091 	gui.scroll_region_bot - num_lines + 1,
2092 	gui.scroll_region_left,
2093 	gui.scroll_region_bot,
2094 	gui.scroll_region_right);
2095 }
2096 
2097     void
2098 gui_mch_insert_lines(int row, int num_lines)
2099 {
2100     PhRect_t    rect;
2101     PhPoint_t   delta;
2102 
2103     rect.ul.x = FILL_X(gui.scroll_region_left);
2104     rect.ul.y = FILL_Y(row);
2105 
2106     rect.lr.x = FILL_X(gui.scroll_region_right + 1) - 1;
2107     rect.lr.y = FILL_Y(gui.scroll_region_bot - num_lines + 1) - 1;
2108 
2109     PtWidgetOffset(gui.vimTextArea, &gui_ph_raw_offset);
2110     PhTranslatePoint(&gui_ph_raw_offset, PtWidgetPos(gui.vimTextArea, NULL));
2111     PhTranslateRect(&rect, &gui_ph_raw_offset);
2112 
2113     delta.x = 0;
2114     delta.y = num_lines * gui.char_height;
2115 
2116     PgFlush();
2117 
2118     PhBlit(PtWidgetRid(PtFindDisjoint(gui.vimTextArea)) , &rect, &delta);
2119 
2120     gui_clear_block(row, gui.scroll_region_left,
2121 	    row + num_lines - 1, gui.scroll_region_right);
2122 }
2123 
2124     void
2125 gui_mch_draw_string(int row, int col, char_u *s, int len, int flags)
2126 {
2127     static char *utf8_buffer = NULL;
2128     static int	utf8_len = 0;
2129 
2130     PhPoint_t	pos = { TEXT_X(col), TEXT_Y(row) };
2131     PhRect_t	rect;
2132 
2133     if (is_ignore_draw == TRUE)
2134 	return;
2135 
2136     DRAW_START;
2137 
2138     if (!(flags & DRAW_TRANSP))
2139     {
2140 	PgDrawIRect(
2141 		FILL_X(col), FILL_Y(row),
2142 		FILL_X(col + len) - 1, FILL_Y(row + 1) - 1,
2143 		Pg_DRAW_FILL);
2144     }
2145 
2146     if (flags & DRAW_UNDERL)
2147 	PgSetUnderline(gui.norm_pixel, Pg_TRANSPARENT, 0);
2148 
2149     if (charset_translate != NULL
2150 #ifdef FEAT_MBYTE
2151 	    && enc_utf8 == 0
2152 #endif
2153 	   )
2154     {
2155 	int src_taken, dst_made;
2156 
2157 	/* Use a static buffer to avoid large amounts of de/allocations */
2158 	if (utf8_len < len)
2159 	{
2160 	    utf8_buffer = realloc(utf8_buffer, len * MB_LEN_MAX);
2161 	    utf8_len = len;
2162 	}
2163 
2164 	PxTranslateToUTF(
2165 		charset_translate,
2166 		s,
2167 		len,
2168 		&src_taken,
2169 		utf8_buffer,
2170 		utf8_len,
2171 		&dst_made);
2172 	s = utf8_buffer;
2173 	len = dst_made;
2174     }
2175 
2176     PgDrawText(s, len, &pos, 0);
2177 
2178     if (flags & DRAW_BOLD)
2179     {
2180 	/* FIXME: try and only calculate these values once... */
2181 	rect.ul.x = FILL_X(col) + 1;
2182 	rect.ul.y = FILL_Y(row);
2183 	rect.lr.x = FILL_X(col + len) - 1;
2184 	rect.lr.y = FILL_Y(row + 1) - 1;
2185 	/* PgSetUserClip(NULL) causes the scrollbar to not redraw... */
2186 #if 0
2187 	pos.x++;
2188 
2189 	PgSetUserClip(&rect);
2190 	PgDrawText(s, len, &pos, 0);
2191 	PgSetUserClip(NULL);
2192 #else
2193 	rect.lr.y -= (p_linespace + 1) / 2;
2194 	/* XXX: DrawTextArea doesn't work with phditto */
2195 	PgDrawTextArea(s, len, &rect, Pg_TEXT_BOTTOM);
2196 #endif
2197     }
2198 
2199     if (flags & DRAW_UNDERL)
2200 	PgSetUnderline(Pg_TRANSPARENT, Pg_TRANSPARENT, 0);
2201 
2202     DRAW_END;
2203 }
2204 
2205 /****************************************************************************/
2206 /* Cursor */
2207 
2208     void
2209 gui_mch_draw_hollow_cursor(guicolor_T color)
2210 {
2211     PhRect_t r;
2212 
2213     /* FIXME: Double width characters */
2214 
2215     r.ul.x = FILL_X(gui.col);
2216     r.ul.y = FILL_Y(gui.row);
2217     r.lr.x = r.ul.x + gui.char_width - 1;
2218     r.lr.y = r.ul.y + gui.char_height - 1;
2219 
2220     DRAW_START;
2221     PgSetStrokeColor(color);
2222     PgDrawRect(&r, Pg_DRAW_STROKE);
2223     DRAW_END;
2224 }
2225 
2226     void
2227 gui_mch_draw_part_cursor(int w, int h, guicolor_T color)
2228 {
2229     PhRect_t r;
2230 
2231     r.ul.x = FILL_X(gui.col);
2232     r.ul.y = FILL_Y(gui.row) + gui.char_height - h;
2233     r.lr.x = r.ul.x + w - 1;
2234     r.lr.y = r.ul.y + h - 1;
2235 
2236     DRAW_START;
2237     gui_mch_set_bg_color(color);
2238     PgDrawRect(&r, Pg_DRAW_FILL);
2239     DRAW_END;
2240 }
2241 
2242     int
2243 gui_mch_is_blinking(void)
2244 {
2245     return blink_state != BLINK_NONE;
2246 }
2247 
2248     int
2249 gui_mch_is_blink_off(void)
2250 {
2251     return blink_state == BLINK_OFF;
2252 }
2253 
2254     void
2255 gui_mch_set_blinking(long wait, long on, long off)
2256 {
2257     blink_waittime = wait;
2258     blink_ontime = on;
2259     blink_offtime = off;
2260 }
2261 
2262     void
2263 gui_mch_start_blink(void)
2264 {
2265     /* Only turn on the timer on if none of the times are zero */
2266     if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus)
2267     {
2268 	PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL,
2269 		blink_waittime, 0);
2270 	blink_state = BLINK_ON;
2271 	gui_update_cursor(TRUE, FALSE);
2272     }
2273 }
2274 
2275     void
2276 gui_mch_stop_blink(void)
2277 {
2278     PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL, 0, 0);
2279 
2280     if (blink_state == BLINK_OFF)
2281 	gui_update_cursor(TRUE, FALSE);
2282 
2283     blink_state = BLINK_NONE;
2284 }
2285 
2286 /****************************************************************************/
2287 /* miscellaneous functions */
2288 
2289     void
2290 gui_mch_beep(void)
2291 {
2292     PtBeep();
2293 }
2294 
2295     void
2296 gui_mch_flash(int msec)
2297 {
2298     PgSetFillXORColor(Pg_BLACK, Pg_WHITE);
2299     PgSetDrawMode(Pg_DRAWMODE_XOR);
2300     gui_mch_clear_all();
2301     gui_mch_flush();
2302 
2303     ui_delay((long) msec, TRUE);
2304 
2305     gui_mch_clear_all();
2306     PgSetDrawMode(Pg_DRAWMODE_OPAQUE);
2307     gui_mch_flush();
2308 }
2309 
2310     void
2311 gui_mch_flush(void)
2312 {
2313     PgFlush();
2314 }
2315 
2316     void
2317 gui_mch_set_text_area_pos(int x, int y, int w, int h)
2318 {
2319     PhArea_t area = {{x, y}, {w, h}};
2320 
2321     PtSetResource(gui.vimTextArea, Pt_ARG_AREA, &area, 0);
2322 }
2323 
2324     int
2325 gui_mch_haskey(char_u *name)
2326 {
2327     int i;
2328 
2329     for (i = 0; special_keys[i].key_sym != 0; i++)
2330 	if (name[0] == special_keys[i].vim_code0 &&
2331 		 name[1] == special_keys[i].vim_code1)
2332 	    return OK;
2333     return FAIL;
2334 }
2335 
2336 /****************************************************************************/
2337 /* Menu */
2338 
2339 #ifdef FEAT_TOOLBAR
2340 #include "toolbar.phi"
2341 
2342 static PhImage_t *gui_ph_toolbar_images[] = {
2343     &tb_new_phi,
2344     &tb_open_phi,
2345     &tb_save_phi,
2346     &tb_undo_phi,
2347     &tb_redo_phi,
2348     &tb_cut_phi,
2349     &tb_copy_phi,
2350     &tb_paste_phi,
2351     &tb_print_phi,
2352     &tb_help_phi,
2353     &tb_find_phi,
2354     &tb_save_all_phi,
2355     &tb_save_session_phi,
2356     &tb_new_session_phi,
2357     &tb_load_session_phi,
2358     &tb_macro_phi,
2359     &tb_replace_phi,
2360     &tb_close_phi,
2361     &tb_maximize_phi,
2362     &tb_minimize_phi,
2363     &tb_split_phi,
2364     &tb_shell_phi,
2365     &tb_find_prev_phi,
2366     &tb_find_next_phi,
2367     &tb_find_help_phi,
2368     &tb_make_phi,
2369     &tb_jump_phi,
2370     &tb_ctags_phi,
2371     &tb_vsplit_phi,
2372     &tb_maxwidth_phi,
2373     &tb_minwidth_phi
2374 };
2375 
2376 static PhImage_t *
2377 gui_ph_toolbar_load_icon(char_u *iconfile)
2378 {
2379     static PhImage_t external_icon;
2380     PhImage_t *temp_phi = NULL;
2381 
2382     temp_phi = PxLoadImage(iconfile, NULL);
2383     if (temp_phi != NULL)
2384     {
2385 	/* The label widget will free the image/palette/etc. for us when
2386 	 * it's destroyed */
2387 	temp_phi->flags |= Ph_RELEASE_IMAGE_ALL;
2388 	memcpy(&external_icon, temp_phi, sizeof(external_icon));
2389 	free(temp_phi);
2390 
2391 	temp_phi = &external_icon;
2392     }
2393     return temp_phi;
2394 }
2395 
2396 /*
2397  * This returns either a builtin icon image, an external image or NULL
2398  * if it can't find either.  The caller can't and doesn't need to try and
2399  * free() the returned image, and it can't store the image pointer.
2400  * (When setting the Pt_ARG_LABEL_IMAGE resource, the contents of the
2401  * PhImage_t are copied, and the original PhImage_t aren't needed anymore).
2402  */
2403 static PhImage_t *
2404 gui_ph_toolbar_find_icon(vimmenu_T *menu)
2405 {
2406     char_u full_pathname[ MAXPATHL + 1 ];
2407     PhImage_t *icon = NULL;
2408 
2409     if (menu->icon_builtin == FALSE)
2410     {
2411 	if (menu->iconfile != NULL)
2412 	    /* TODO: use gui_find_iconfile() */
2413 	    icon = gui_ph_toolbar_load_icon(menu->iconfile);
2414 
2415 	/* TODO: Restrict loading to just .png? Search for any format? */
2416 	if ((icon == NULL) &&
2417 	    ((gui_find_bitmap(menu->name, full_pathname, "gif") == OK) ||
2418 	      (gui_find_bitmap(menu->name, full_pathname, "png") == OK)))
2419 	    icon = gui_ph_toolbar_load_icon(full_pathname);
2420 
2421 	if (icon != NULL)
2422 	    return icon;
2423     }
2424 
2425     if (menu->iconidx >= 0 &&
2426 	    (menu->iconidx < ARRAY_LENGTH(gui_ph_toolbar_images)))
2427     {
2428 	return gui_ph_toolbar_images[menu->iconidx];
2429     }
2430 
2431     return NULL;
2432 }
2433 #endif
2434 
2435 #if defined(FEAT_MENU) || defined(PROTO)
2436     void
2437 gui_mch_enable_menu(int flag)
2438 {
2439     if (flag != 0)
2440 	PtRealizeWidget(gui.vimMenuBar);
2441     else
2442 	PtUnrealizeWidget(gui.vimMenuBar);
2443 }
2444 
2445     void
2446 gui_mch_set_menu_pos(int x, int y, int w, int h)
2447 {
2448     /* Nothing */
2449 }
2450 
2451 /* Change the position of a menu button in the parent */
2452     static void
2453 gui_ph_position_menu(PtWidget_t *widget, int priority)
2454 {
2455     PtWidget_t	*traverse;
2456     vimmenu_T	*menu;
2457 
2458     traverse = PtWidgetChildBack(PtWidgetParent(widget));
2459 
2460     /* Iterate through the list of widgets in traverse, until
2461      * we find the position we want to insert our widget into */
2462     /* TODO: traverse from front to back, possible speedup? */
2463     while (traverse != NULL)
2464     {
2465 	PtGetResource(traverse, Pt_ARG_POINTER, &menu, 0);
2466 
2467 	if (menu != NULL &&
2468 		priority < menu->priority &&
2469 		widget != traverse)
2470 	{
2471 	    /* Insert the widget before the current traverse widget */
2472 	    PtWidgetInsert(widget, traverse, 1);
2473 	    return;
2474 	}
2475 
2476 	traverse = PtWidgetBrotherInFront(traverse);
2477     }
2478 }
2479 
2480 /* the index is ignored because it's not useful for our purposes */
2481     void
2482 gui_mch_add_menu(vimmenu_T *menu, int index)
2483 {
2484     vimmenu_T	*parent = menu->parent;
2485     char_u	*accel_key;
2486     char_u	mnemonic_str[MB_LEN_MAX];
2487     int	    n;
2488     PtArg_t args[5];
2489 
2490     menu->submenu_id = menu->id = NULL;
2491 
2492     if (menu_is_menubar(menu->name))
2493     {
2494 
2495 	accel_key = vim_strchr(menu->name, '&');
2496 	if (accel_key != NULL)
2497 	{
2498 	    mnemonic_str[0] = accel_key[1];
2499 	    mnemonic_str[1] = NUL;
2500 	}
2501 
2502 	/* Create the menu button */
2503 	n = 0;
2504 	PtSetArg(&args[ n++ ], Pt_ARG_TEXT_STRING, menu->dname, 0);
2505 	PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_TEXT, menu->actext, 0);
2506 	if (accel_key != NULL)
2507 	    PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_KEY, mnemonic_str, 0);
2508 	PtSetArg(&args[ n++ ], Pt_ARG_POINTER, menu, 0);
2509 
2510 	if (parent != NULL)
2511 	    PtSetArg(&args[ n++ ], Pt_ARG_BUTTON_TYPE, Pt_MENU_RIGHT, 0);
2512 
2513 	menu->id = PtCreateWidget(PtMenuButton,
2514 		(parent == NULL) ? gui.vimMenuBar : parent->submenu_id,
2515 		n, args);
2516 
2517 	PtAddCallback(menu->id, Pt_CB_ARM, gui_ph_handle_pulldown_menu, menu);
2518 
2519 	/* Create the actual menu */
2520 	n = 0;
2521 	if (parent != NULL)
2522 	    PtSetArg(&args[ n++ ], Pt_ARG_MENU_FLAGS, Pt_TRUE, Pt_MENU_CHILD);
2523 
2524 	menu->submenu_id = PtCreateWidget(PtMenu, menu->id, n, args);
2525 
2526 	if (parent == NULL)
2527 	{
2528 	    PtAddCallback(menu->submenu_id, Pt_CB_UNREALIZED,
2529 		    gui_ph_handle_menu_unrealized, menu);
2530 
2531 	    if (menu->mnemonic != 0)
2532 	    {
2533 		PtAddHotkeyHandler(gui.vimWindow, tolower(menu->mnemonic),
2534 			Pk_KM_Alt, 0, menu, gui_ph_handle_pulldown_menu);
2535 	    }
2536 	}
2537 
2538 	gui_ph_position_menu(menu->id, menu->priority);
2539 
2540 	/* Redraw menubar here instead of gui_mch_draw_menubar */
2541 	if (gui.menu_is_active)
2542 	    PtRealizeWidget(menu->id);
2543     }
2544     else if (menu_is_popup(menu->name))
2545     {
2546 	menu->submenu_id = PtCreateWidget(PtMenu, gui.vimWindow, 0, NULL);
2547 	PtAddCallback(menu->submenu_id, Pt_CB_UNREALIZED,
2548 		gui_ph_handle_menu_unrealized, menu);
2549     }
2550 }
2551 
2552     void
2553 gui_mch_add_menu_item(vimmenu_T *menu, int index)
2554 {
2555     vimmenu_T	*parent = menu->parent;
2556     char_u	*accel_key;
2557     char_u	mnemonic_str[MB_LEN_MAX];
2558     int	    n;
2559     PtArg_t args[13];
2560 
2561     n = 0;
2562     PtSetArg(&args[ n++ ], Pt_ARG_POINTER, menu, 0);
2563 
2564 #ifdef FEAT_TOOLBAR
2565     if (menu_is_toolbar(parent->name))
2566     {
2567 	if (menu_is_separator(menu->name))
2568 	{
2569 	    PtSetArg(&args[ n++ ], Pt_ARG_SEP_FLAGS,
2570 		    Pt_SEP_VERTICAL, Pt_SEP_ORIENTATION);
2571 	    PtSetArg(&args[ n++ ], Pt_ARG_SEP_TYPE, Pt_ETCHED_IN, 0);
2572 	    PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS,
2573 		    Pt_TRUE, Pt_ANCHOR_TOP_BOTTOM);
2574 	    PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, 2, 0);
2575 	    menu->id = PtCreateWidget(PtSeparator, gui.vimToolBar, n, args);
2576 	}
2577 	else
2578 	{
2579 	    if (strstr((const char *) p_toolbar, "text") != NULL)
2580 	    {
2581 		PtSetArg(&args[ n++ ], Pt_ARG_BALLOON_POSITION,
2582 			Pt_BALLOON_BOTTOM, 0);
2583 		PtSetArg(&args[ n++ ], Pt_ARG_TEXT_STRING, menu->dname, 0);
2584 		PtSetArg(&args[ n++ ], Pt_ARG_TEXT_FONT, "TextFont08", 0);
2585 	    }
2586 	    if ((strstr((const char *) p_toolbar, "icons") != NULL) &&
2587 		    (gui_ph_toolbar_images != NULL))
2588 	    {
2589 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_IMAGE,
2590 			gui_ph_toolbar_find_icon(menu), 0);
2591 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_TYPE, Pt_TEXT_IMAGE, 0);
2592 		PtSetArg(&args[ n++ ], Pt_ARG_TEXT_IMAGE_SPACING, 0, 0);
2593 	    }
2594 	    if (strstr((const char *) p_toolbar, "tooltips") != NULL)
2595 	    {
2596 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_BALLOON,
2597 			gui_ph_show_tooltip, 0);
2598 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_FLAGS,
2599 			Pt_TRUE, Pt_SHOW_BALLOON);
2600 	    }
2601 	    PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_HEIGHT, 1, 0);
2602 	    PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_WIDTH, 1, 0);
2603 	    PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_FALSE,
2604 		    Pt_HIGHLIGHTED | Pt_GETS_FOCUS);
2605 	    PtSetArg(&args[ n++ ], Pt_ARG_FILL_COLOR, Pg_TRANSPARENT, 0);
2606 	    menu->id = PtCreateWidget(PtButton, gui.vimToolBar, n, args);
2607 
2608 	    PtAddCallback(menu->id, Pt_CB_ACTIVATE, gui_ph_handle_menu, menu);
2609 	}
2610 	/* Update toolbar if it's open */
2611 	if (PtWidgetIsRealized(gui.vimToolBar))
2612 	    PtRealizeWidget(menu->id);
2613     }
2614     else
2615 #endif
2616 	if (menu_is_separator(menu->name))
2617     {
2618 	menu->id = PtCreateWidget(PtSeparator, parent->submenu_id, n, args);
2619     }
2620     else
2621     {
2622 	accel_key = vim_strchr(menu->name, '&');
2623 	if (accel_key != NULL)
2624 	{
2625 	    mnemonic_str[0] = accel_key[1];
2626 	    mnemonic_str[1] = NUL;
2627 	}
2628 
2629 	PtSetArg(&args[ n++ ], Pt_ARG_TEXT_STRING, menu->dname, 0);
2630 	if (accel_key != NULL)
2631 	    PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_KEY, mnemonic_str,
2632 		    0);
2633 
2634 	PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_TEXT, menu->actext, 0);
2635 
2636 	menu->id = PtCreateWidget(PtMenuButton, parent->submenu_id, n, args);
2637 
2638 	PtAddCallback(menu->id, Pt_CB_ACTIVATE, gui_ph_handle_menu, menu);
2639 
2640 #ifdef USE_PANEL_GROUP
2641 	if (gui_ph_is_buffer_item(menu, parent) == TRUE)
2642 	{
2643 	    PtAddCallback(menu->id, Pt_CB_DESTROYED,
2644 		    gui_ph_handle_buffer_remove, menu);
2645 	    gui_ph_pg_add_buffer(menu->dname);
2646 	}
2647 #endif
2648     }
2649 
2650     gui_ph_position_menu(menu->id, menu->priority);
2651 }
2652 
2653     void
2654 gui_mch_destroy_menu(vimmenu_T *menu)
2655 {
2656     if (menu->submenu_id != NULL)
2657 	PtDestroyWidget(menu->submenu_id);
2658     if (menu->id != NULL)
2659 	PtDestroyWidget(menu->id);
2660 
2661     menu->submenu_id = NULL;
2662     menu->id = NULL;
2663 }
2664 
2665     void
2666 gui_mch_menu_grey(vimmenu_T *menu, int grey)
2667 {
2668     long    flags, mask, fields;
2669 
2670     if (menu->id == NULL)
2671 	return;
2672 
2673     flags = PtWidgetFlags(menu->id);
2674     if (PtWidgetIsClass(menu->id, PtMenuButton) &&
2675 	    PtWidgetIsClass(PtWidgetParent(menu->id), PtMenu))
2676     {
2677 	fields = Pt_FALSE;
2678 	mask = Pt_SELECTABLE | Pt_HIGHLIGHTED;
2679     }
2680     else
2681     {
2682 	fields = Pt_TRUE;
2683 	mask = Pt_BLOCKED | Pt_GHOST;
2684     }
2685 
2686     if (! grey)
2687 	fields = ~fields;
2688 
2689     PtSetResource(menu->id, Pt_ARG_FLAGS, fields,
2690 	    mask);
2691 }
2692 
2693     void
2694 gui_mch_menu_hidden(vimmenu_T *menu, int hidden)
2695 {
2696     /* TODO: [un]realize the widget? */
2697 }
2698 
2699     void
2700 gui_mch_draw_menubar(void)
2701 {
2702     /* The only time a redraw is needed is when a menu button
2703      * is added to the menubar, and that is detected and the bar
2704      * redrawn in gui_mch_add_menu_item
2705      */
2706 }
2707 
2708     void
2709 gui_mch_show_popupmenu(vimmenu_T *menu)
2710 {
2711     PtSetResource(menu->submenu_id, Pt_ARG_POS, &abs_mouse, 0);
2712     PtRealizeWidget(menu->submenu_id);
2713 }
2714 
2715     void
2716 gui_mch_toggle_tearoffs(int enable)
2717 {
2718     /* No tearoffs yet */
2719 }
2720 
2721 #endif
2722 
2723 #if defined(FEAT_TOOLBAR) || defined(PROTO)
2724     void
2725 gui_mch_show_toolbar(int showit)
2726 {
2727     if (showit)
2728 	PtRealizeWidget(gui.vimToolBar);
2729     else
2730 	PtUnrealizeWidget(gui.vimToolBar);
2731 }
2732 #endif
2733 
2734 /****************************************************************************/
2735 /* Fonts */
2736 
2737     static GuiFont
2738 gui_ph_get_font(
2739 	char_u	*font_name,
2740 	int_u	font_flags,
2741 	int_u	font_size,
2742 	/* Check whether the resulting font has the font flags and size that
2743 	 * was asked for */
2744 	int_u	enforce
2745 	)
2746 {
2747     char_u	    *font_tag;
2748     FontQueryInfo   info;
2749     int_u	    style;
2750 
2751     font_tag = alloc(MAX_FONT_TAG);
2752     if (font_tag != NULL)
2753     {
2754 	if (PfGenerateFontName(font_name, font_flags, font_size,
2755 		    font_tag) != NULL)
2756 	{
2757 	    /* Enforce some limits on the font used */
2758 	    style = PHFONT_INFO_FIXED;
2759 
2760 	    if (enforce & PF_STYLE_BOLD)
2761 		style |= PHFONT_INFO_BOLD;
2762 	    if (enforce & PF_STYLE_ANTIALIAS)
2763 		style |= PHFONT_INFO_ALIAS;
2764 	    if (enforce & PF_STYLE_ITALIC)
2765 		style |= PHFONT_INFO_ITALIC;
2766 
2767 	    PfQueryFontInfo(font_tag, &info);
2768 
2769 	    if (info.size == 0)
2770 		font_size = 0;
2771 
2772 	    /* Make sure font size matches, and that the font style
2773 	     * at least has the bits we're checking for */
2774 	    if (font_size == info.size &&
2775 		    style == (info.style & style))
2776 		return (GuiFont)font_tag;
2777 	}
2778 	vim_free(font_tag);
2779     }
2780     return NULL;
2781 }
2782 
2783 /*
2784  * Split up the vim font name
2785  *
2786  * vim_font is in the form of
2787  * <name>:s<height>:a:b:i
2788  *
2789  * a = antialias
2790  * b = bold
2791  * i = italic
2792  *
2793  */
2794 
2795     static int
2796 gui_ph_parse_font_name(
2797 	char_u *vim_font,
2798 	char_u **font_name,
2799 	int_u *font_flags,
2800 	int_u *font_size)
2801 {
2802     char_u  *mark;
2803     int_u   name_len, size;
2804 
2805     mark = vim_strchr(vim_font, ':');
2806     if (mark == NULL)
2807 	name_len = STRLEN(vim_font);
2808     else
2809 	name_len = (int_u) (mark - vim_font);
2810 
2811     *font_name = vim_strnsave(vim_font, name_len);
2812     if (*font_name != NULL)
2813     {
2814 	if (mark != NULL)
2815 	{
2816 	    while (*mark != NUL && *mark++ == ':')
2817 	    {
2818 		switch (tolower(*mark++))
2819 		{
2820 		    case 'a': *font_flags |= PF_STYLE_ANTIALIAS; break;
2821 		    case 'b': *font_flags |= PF_STYLE_BOLD; break;
2822 		    case 'i': *font_flags |= PF_STYLE_ITALIC; break;
2823 
2824 		    case 's':
2825 			size = getdigits(&mark);
2826 			/* Restrict the size to some vague limits */
2827 			if (size < 1 || size > 100)
2828 			    size = 8;
2829 
2830 			*font_size = size;
2831 			break;
2832 
2833 		    default:
2834 			break;
2835 		}
2836 	    }
2837 	}
2838 	return TRUE;
2839     }
2840     return FALSE;
2841 }
2842 
2843     int
2844 gui_mch_init_font(char_u *vim_font_name, int fontset)
2845 {
2846     char_u  *font_tag;
2847     char_u  *font_name = NULL;
2848     int_u   font_flags = 0;
2849     int_u   font_size  = 12;
2850 
2851     FontQueryInfo info;
2852     PhRect_t extent;
2853 
2854     if (vim_font_name == NULL)
2855     {
2856 	/* Default font */
2857 	vim_font_name = "PC Terminal";
2858     }
2859 
2860     if (STRCMP(vim_font_name, "*") == 0)
2861     {
2862 	font_tag = PtFontSelection(gui.vimWindow, NULL, NULL,
2863 		"pcterm12", -1, PHFONT_FIXED, NULL);
2864 
2865 	if (font_tag == NULL)
2866 	    return FAIL;
2867 
2868 	gui_mch_free_font(gui.norm_font);
2869 	gui.norm_font = font_tag;
2870 
2871 	PfQueryFontInfo(font_tag, &info);
2872 	font_name = vim_strsave(info.font);
2873     }
2874     else
2875     {
2876 	if (gui_ph_parse_font_name(vim_font_name, &font_name, &font_flags,
2877 		    &font_size) == FALSE)
2878 	    return FAIL;
2879 
2880 	font_tag = gui_ph_get_font(font_name, font_flags, font_size, 0);
2881 	if (font_tag == NULL)
2882 	{
2883 	    vim_free(font_name);
2884 	    return FAIL;
2885 	}
2886 
2887 	gui_mch_free_font(gui.norm_font);
2888 	gui.norm_font = font_tag;
2889     }
2890 
2891     gui_mch_free_font(gui.bold_font);
2892     gui.bold_font = gui_ph_get_font(font_name, font_flags | PF_STYLE_BOLD,
2893 	    font_size, PF_STYLE_BOLD);
2894 
2895     gui_mch_free_font(gui.ital_font);
2896     gui.ital_font = gui_ph_get_font(font_name, font_flags | PF_STYLE_ITALIC,
2897 	    font_size, PF_STYLE_ITALIC);
2898 
2899     /* This extent was brought to you by the letter 'g' */
2900     PfExtentText(&extent, NULL, font_tag, "g", 1);
2901 
2902     gui.char_width = extent.lr.x - extent.ul.x + 1;
2903     gui.char_height = (- extent.ul.y) + extent.lr.y + 1;
2904     gui.char_ascent = - extent.ul.y;
2905 
2906     vim_free(font_name);
2907     return OK;
2908 }
2909 
2910 /*
2911  * Adjust gui.char_height (after 'linespace' was changed).
2912  */
2913     int
2914 gui_mch_adjust_charheight(void)
2915 {
2916     FontQueryInfo info;
2917 
2918     PfQueryFontInfo(gui.norm_font, &info);
2919 
2920     gui.char_height = - info.ascender + info.descender + p_linespace;
2921     gui.char_ascent = - info.ascender + p_linespace / 2;
2922 
2923     return OK;
2924 }
2925 
2926     GuiFont
2927 gui_mch_get_font(char_u *vim_font_name, int report_error)
2928 {
2929     char_u  *font_name;
2930     char_u  *font_tag;
2931     int_u   font_size = 12;
2932     int_u   font_flags = 0;
2933 
2934     if (gui_ph_parse_font_name(vim_font_name, &font_name, &font_flags,
2935 		&font_size) != FALSE)
2936     {
2937 	font_tag = gui_ph_get_font(font_name, font_flags, font_size, -1);
2938 	vim_free(font_name);
2939 
2940 	if (font_tag != NULL)
2941 	    return (GuiFont)font_tag;
2942     }
2943 
2944     if (report_error)
2945 	EMSG2(e_font, vim_font_name);
2946 
2947     return FAIL;
2948 }
2949 
2950 #if defined(FEAT_EVAL) || defined(PROTO)
2951 /*
2952  * Return the name of font "font" in allocated memory.
2953  * Don't know how to get the actual name, thus use the provided name.
2954  */
2955     char_u *
2956 gui_mch_get_fontname(GuiFont font, char_u *name)
2957 {
2958     if (name == NULL)
2959 	return NULL;
2960     return vim_strsave(name);
2961 }
2962 #endif
2963 
2964     void
2965 gui_mch_set_font(GuiFont font)
2966 {
2967     PgSetFont(font);
2968 }
2969 
2970     void
2971 gui_mch_free_font(GuiFont font)
2972 {
2973     vim_free(font);
2974 }
2975 
2976