xref: /vim-8.2.3635/src/gui_photon.c (revision 94688b8a)
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 static void gui_ph_draw_start(void);
216 static void gui_ph_draw_end(void);
217 
218 /* Set the text for the balloon */
219 static PtWidget_t * gui_ph_show_tooltip(PtWidget_t *window,
220 			     PtWidget_t *widget,
221 			     int position,
222 			     char *text,
223 			     char *font,
224 			     PgColor_t fill_color,
225 			     PgColor_t text_color);
226 
227 /****************************************************************************/
228 
229 static PtWidget_t * gui_ph_show_tooltip(PtWidget_t *window,
230 			     PtWidget_t *widget,
231 			     int position,
232 			     char *text,
233 			     char *font,
234 			     PgColor_t fill_color,
235 			     PgColor_t text_color)
236 {
237     PtArg_t arg;
238     vimmenu_T *menu;
239     char_u  *tooltip;
240 
241     PtSetArg(&arg, Pt_ARG_POINTER, &menu, 0);
242     PtGetResources(widget, 1, &arg);
243 
244     /* Override the text and position */
245 
246     tooltip = text;
247     if (menu != NULL)
248     {
249 	int index = MENU_INDEX_TIP;
250 	if (menu->strings[ index ] != NULL)
251 	    tooltip = menu->strings[ index ];
252     }
253 
254     return PtInflateBalloon(
255 	    window,
256 	    widget,
257 	    /* Don't put the balloon at the bottom,
258 	     * it gets drawn over by gfx done in the PtRaw */
259 	    Pt_BALLOON_TOP,
260 	    tooltip,
261 	    font,
262 	    fill_color,
263 	    text_color);
264 }
265 
266     static void
267 gui_ph_resize_container(void)
268 {
269     PhArea_t area;
270 
271     PtWidgetArea(gui.vimWindow, &area);
272     PtWidgetPos (gui.vimContainer, &area.pos);
273 
274     PtSetResource(gui.vimContainer, Pt_ARG_AREA, &area, 0);
275 }
276 
277     static int
278 gui_ph_handle_menu_resize(
279 	PtWidget_t *widget,
280 	void *other,
281 	PtCallbackInfo_t *info)
282 {
283     PtContainerCallback_t *sizes = info->cbdata;
284     PtWidget_t		*container;
285     PhPoint_t		below_menu;
286     int_u		height;
287 
288     height = sizes->new_dim.h;
289 
290     /* Because vim treats the toolbar and menubar separately,
291      * and here they're lumped together into a PtToolbarGroup,
292      * we only need either menu_height or toolbar_height set at once */
293     if (gui.menu_is_active)
294     {
295 	gui.menu_height = height;
296 	gui.toolbar_height = 0;
297     }
298 #ifdef FEAT_TOOLBAR
299     else
300 	gui.toolbar_height = height;
301 #endif
302 
303     below_menu.x = 0;
304     below_menu.y = height;
305 
306 #ifdef USE_PANEL_GROUP
307     container = gui.vimPanelGroup;
308 #else
309     container = gui.vimContainer;
310 #endif
311 
312     PtSetResource(container, Pt_ARG_POS, &below_menu, 0);
313 
314     gui_ph_resize_container();
315 
316 #ifdef USE_PANEL_GROUP
317     gui_ph_get_panelgroup_margins(
318 	    &pg_margin_top, &pg_margin_bottom,
319 	    &pg_margin_left, &pg_margin_right);
320 #endif
321     return Pt_CONTINUE;
322 }
323 
324 /*
325  * Pt_ARG_TIMER_REPEAT isn't used because the on & off times
326  * are different
327  */
328     static int
329 gui_ph_handle_timer_cursor(
330 	PtWidget_t *widget,
331 	void *data,
332 	PtCallbackInfo_t *info)
333 {
334     if (blink_state == BLINK_ON)
335     {
336 	gui_undraw_cursor();
337 	blink_state = BLINK_OFF;
338 	PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL,
339 		blink_offtime, 0);
340     }
341     else
342     {
343 	gui_update_cursor(TRUE, FALSE);
344 	blink_state = BLINK_ON;
345 	PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL,
346 		blink_ontime, 0);
347     }
348     return Pt_CONTINUE;
349 }
350 
351     static int
352 gui_ph_handle_timer_timeout(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
353 {
354     is_timeout = TRUE;
355 
356     return Pt_CONTINUE;
357 }
358 
359     static int
360 gui_ph_handle_window_cb(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
361 {
362     PhWindowEvent_t *we = info->cbdata;
363     ushort_t *width, *height;
364 
365     switch (we->event_f) {
366 	case Ph_WM_CLOSE:
367 	    gui_shell_closed();
368 	    break;
369 
370 	case Ph_WM_FOCUS:
371 	    /* Just in case it's hidden and needs to be shown */
372 	    gui_mch_mousehide(MOUSE_SHOW);
373 
374 	    if (we->event_state == Ph_WM_EVSTATE_FOCUS)
375 	    {
376 		gui_focus_change(TRUE);
377 		gui_mch_start_blink();
378 	    }
379 	    else
380 	    {
381 		gui_focus_change(FALSE);
382 		gui_mch_stop_blink(TRUE);
383 	    }
384 	    break;
385 
386 	case Ph_WM_RESIZE:
387 	    PtGetResource(gui.vimWindow, Pt_ARG_WIDTH, &width, 0);
388 	    PtGetResource(gui.vimWindow, Pt_ARG_HEIGHT, &height, 0);
389 #ifdef USE_PANEL_GROUP
390 	    width  -= (pg_margin_left + pg_margin_right);
391 	    height -= (pg_margin_top + pg_margin_bottom);
392 #endif
393 	    gui_resize_shell(*width, *height);
394 	    gui_set_shellsize(FALSE, FALSE, RESIZE_BOTH);
395 	    is_ignore_draw = FALSE;
396 	    PtEndFlux(gui.vimContainer);
397 	    PtContainerRelease(gui.vimContainer);
398 	    break;
399 
400 	default:
401 	    break;
402     }
403 
404     return Pt_CONTINUE;
405 }
406 
407     static int
408 gui_ph_handle_scrollbar(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
409 {
410     PtScrollbarCallback_t *scroll;
411     scrollbar_T *sb;
412     int	    value, dragging = FALSE;
413 
414     scroll = info->cbdata;
415 
416     sb = (scrollbar_T *) data;
417     if (sb != NULL)
418     {
419 	value = scroll->position;
420 	switch (scroll->action)
421 	{
422 	    case Pt_SCROLL_DRAGGED:
423 		dragging = TRUE;
424 		break;
425 
426 	    case Pt_SCROLL_SET:
427 		/* FIXME: return straight away here? */
428 		return Pt_CONTINUE;
429 		break;
430 	}
431 
432 	gui_drag_scrollbar(sb, value, dragging);
433     }
434     return Pt_CONTINUE;
435 }
436 
437     static int
438 gui_ph_handle_keyboard(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
439 {
440     PhKeyEvent_t    *key;
441     unsigned char   string[6];
442     int		    len, i;
443     int		    ch, modifiers;
444 
445     key = PhGetData(info->event);
446 
447     ch = modifiers = len = 0;
448 
449     if (p_mh)
450 	gui_mch_mousehide(MOUSE_HIDE);
451 
452     /* We're a good lil photon program, aren't we? yes we are, yeess wee arrr */
453     if (key->key_flags & Pk_KF_Compose)
454     {
455 	return Pt_CONTINUE;
456     }
457 
458     if ((key->key_flags & Pk_KF_Cap_Valid) &&
459 	    PkIsKeyDown(key->key_flags))
460     {
461 #ifdef FEAT_MENU
462 	/*
463 	 * Only show the menu if the Alt key is down, and the Shift & Ctrl
464 	 * keys aren't down, as well as the other conditions
465 	 */
466 	if (((key->key_mods & Pk_KM_Alt) &&
467 		    !(key->key_mods & Pk_KM_Shift) &&
468 		    !(key->key_mods & Pk_KM_Ctrl)) &&
469 	    gui.menu_is_active &&
470 	    (*p_wak == 'y' ||
471 	      (*p_wak == 'm' &&
472 		gui_is_menu_shortcut(key->key_cap))))
473 	{
474 	    /* Fallthrough and let photon look for the hotkey */
475 	    return Pt_CONTINUE;
476 	}
477 #endif
478 
479 	for (i = 0; special_keys[i].key_sym != 0; i++)
480 	{
481 	    if (special_keys[i].key_sym == key->key_cap)
482 	    {
483 		len = 0;
484 		if (special_keys[i].vim_code1 == NUL)
485 		    ch = special_keys[i].vim_code0;
486 		else
487 		{
488 		    /* Detect if a keypad number key has been pressed
489 		     * and change the key if Num Lock is on */
490 		    if (key->key_cap >= Pk_KP_Enter && key->key_cap <= Pk_KP_9
491 			    && (key->key_mods & Pk_KM_Num_Lock))
492 		    {
493 			/* FIXME: For now, just map the key to a ascii value
494 			 * (see <photon/PkKeyDef.h>) */
495 			ch = key->key_cap - 0xf080;
496 		    }
497 		    else
498 			ch = TO_SPECIAL(special_keys[i].vim_code0,
499 				special_keys[i].vim_code1);
500 		}
501 		break;
502 	    }
503 	}
504 
505 	if (key->key_mods & Pk_KM_Ctrl)
506 	    modifiers |= MOD_MASK_CTRL;
507 	if (key->key_mods & Pk_KM_Alt)
508 	    modifiers |= MOD_MASK_ALT;
509 	if (key->key_mods & Pk_KM_Shift)
510 	    modifiers |= MOD_MASK_SHIFT;
511 
512 	/* Is this not a special key? */
513 	if (special_keys[i].key_sym == 0)
514 	{
515 	    ch = PhTo8859_1(key);
516 	    if (ch == -1 || (enc_utf8 && ch > 127))
517 	    {
518 		len = PhKeyToMb(string, key);
519 		if (len > 0)
520 		{
521 		    static char buf[6];
522 		    int src_taken, dst_made;
523 		    if (enc_utf8 != TRUE)
524 		    {
525 			PxTranslateFromUTF(
526 				charset_translate,
527 				string,
528 				len,
529 				&src_taken,
530 				buf,
531 				6,
532 				&dst_made);
533 
534 			add_to_input_buf(buf, dst_made);
535 		    }
536 		    else
537 		    {
538 			add_to_input_buf(string, len);
539 		    }
540 
541 		    return Pt_CONSUME;
542 		}
543 		len = 0;
544 		ch = key->key_cap;
545 		if (ch < 0xff)
546 		{
547 		    /* FIXME: is this the right thing to do? */
548 		    if (modifiers & MOD_MASK_CTRL)
549 		    {
550 			modifiers &= ~MOD_MASK_CTRL;
551 
552 			if ((ch >= 'a' && ch <= 'z') ||
553 				ch == '[' ||
554 				ch == ']' ||
555 				ch == '\\')
556 			    ch = Ctrl_chr(ch);
557 			else if (ch == '2')
558 			    ch = NUL;
559 			else if (ch == '6')
560 			    ch = 0x1e;
561 			else if (ch == '-')
562 			    ch = 0x1f;
563 			else
564 			    modifiers |= MOD_MASK_CTRL;
565 		    }
566 
567 		    if (modifiers & MOD_MASK_ALT)
568 		    {
569 			ch = Meta(ch);
570 			modifiers &= ~MOD_MASK_ALT;
571 		    }
572 		}
573 		else
574 		{
575 		    return Pt_CONTINUE;
576 		}
577 	    }
578 	    else
579 		modifiers &= ~MOD_MASK_SHIFT;
580 	}
581 
582 	ch = simplify_key(ch, &modifiers);
583 	if (modifiers)
584 	{
585 	    string[ len++ ] = CSI;
586 	    string[ len++ ] = KS_MODIFIER;
587 	    string[ len++ ] = modifiers;
588 	}
589 
590 	if (IS_SPECIAL(ch))
591 	{
592 	    string[ len++ ] = CSI;
593 	    string[ len++ ] = K_SECOND(ch);
594 	    string[ len++ ] = K_THIRD(ch);
595 	}
596 	else
597 	{
598 	    string[ len++ ] = ch;
599 	}
600 
601 	if (len == 1 && ((ch == Ctrl_C && ctrl_c_interrupts)
602 							  || ch == intr_char))
603 	{
604 	    trash_input_buf();
605 	    got_int = TRUE;
606 	}
607 
608 	if (len == 1 && string[0] == CSI)
609 	{
610 	    /* Turn CSI into K_CSI. */
611 	    string[ len++ ] = KS_EXTRA;
612 	    string[ len++ ] = KE_CSI;
613 	}
614 
615 	if (len > 0)
616 	{
617 	    add_to_input_buf(string, len);
618 	    return Pt_CONSUME;
619 	}
620     }
621 
622     return Pt_CONTINUE;
623 }
624 
625     static int
626 gui_ph_handle_mouse(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
627 {
628     PhPointerEvent_t *pointer;
629     PhRect_t	     *pos;
630     int		     button = 0, repeated_click, modifiers = 0x0;
631     short	     mouse_x, mouse_y;
632 
633     pointer = PhGetData(info->event);
634     pos = PhGetRects(info->event);
635 
636     gui_mch_mousehide(MOUSE_SHOW);
637 
638     /*
639      * Coordinates need to be relative to the base window,
640      * not relative to the vimTextArea widget
641      */
642     mouse_x = pos->ul.x + gui.border_width;
643     mouse_y = pos->ul.y + gui.border_width;
644 
645     if (info->event->type == Ph_EV_PTR_MOTION_NOBUTTON)
646     {
647 	gui_mouse_moved(mouse_x, mouse_y);
648 	return Pt_CONTINUE;
649     }
650 
651     if (pointer->key_mods & Pk_KM_Shift)
652 	modifiers |= MOUSE_SHIFT;
653     if (pointer->key_mods & Pk_KM_Ctrl)
654 	modifiers |= MOUSE_CTRL;
655     if (pointer->key_mods & Pk_KM_Alt)
656 	modifiers |= MOUSE_ALT;
657 
658     /*
659      * FIXME More than one button may be involved, but for
660      * now just deal with one
661      */
662     if (pointer->buttons & Ph_BUTTON_SELECT)
663 	button = MOUSE_LEFT;
664 
665     if (pointer->buttons & Ph_BUTTON_MENU)
666     {
667 	button = MOUSE_RIGHT;
668 	/* Need the absolute coordinates for the popup menu */
669 	abs_mouse.x = pointer->pos.x;
670 	abs_mouse.y = pointer->pos.y;
671     }
672 
673     if (pointer->buttons & Ph_BUTTON_ADJUST)
674 	button = MOUSE_MIDDLE;
675 
676     /* Catch a real release (not phantom or other releases */
677     if (info->event->type == Ph_EV_BUT_RELEASE)
678 	button = MOUSE_RELEASE;
679 
680     if (info->event->type & Ph_EV_PTR_MOTION_BUTTON)
681 	button = MOUSE_DRAG;
682 
683 #if 0
684     /* Vim doesn't use button repeats */
685     if (info->event->type & Ph_EV_BUT_REPEAT)
686 	button = MOUSE_DRAG;
687 #endif
688 
689     /* Don't do anything if it is one of the phantom mouse release events */
690     if ((button != MOUSE_RELEASE) ||
691 	    (info->event->subtype == Ph_EV_RELEASE_REAL))
692     {
693 	repeated_click = (pointer->click_count >= 2) ? TRUE : FALSE;
694 
695 	gui_send_mouse_event(button , mouse_x, mouse_y, repeated_click, modifiers);
696     }
697 
698     return Pt_CONTINUE;
699 }
700 
701 /* Handle a focus change of the PtRaw widget */
702     static int
703 gui_ph_handle_focus(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
704 {
705     if (info->reason == Pt_CB_LOST_FOCUS)
706     {
707 	PtRemoveEventHandler(gui.vimTextArea, Ph_EV_PTR_MOTION_NOBUTTON,
708 		gui_ph_handle_mouse, NULL);
709 
710 	gui_mch_mousehide(MOUSE_SHOW);
711     }
712     else
713     {
714 	PtAddEventHandler(gui.vimTextArea, Ph_EV_PTR_MOTION_NOBUTTON,
715 		gui_ph_handle_mouse, NULL);
716     }
717     return Pt_CONTINUE;
718 }
719 
720     static void
721 gui_ph_handle_raw_draw(PtWidget_t *widget, PhTile_t *damage)
722 {
723     PhRect_t	*r;
724     PhPoint_t	offset;
725     PhPoint_t	translation;
726 
727     if (is_ignore_draw == TRUE)
728 	return;
729 
730     PtSuperClassDraw(PtBasic, widget, damage);
731     PgGetTranslation(&translation);
732     PgClearTranslation();
733 
734 #if 0
735     /*
736      * This causes some weird problems, with drawing being done from
737      * within this raw drawing function (rather than just simple clearing
738      * and text drawing done by gui_redraw)
739      *
740      * The main problem is when PhBlit is used, and the cursor appearing
741      * in places where it shouldn't
742      */
743     out_flush();
744 #endif
745 
746     PtWidgetOffset(widget, &offset);
747     PhTranslatePoint(&offset, PtWidgetPos(gui.vimTextArea, NULL));
748 
749 #if 1
750     /* Redraw individual damage regions */
751     if (damage->next != NULL)
752 	damage = damage->next;
753 
754     while (damage != NULL)
755     {
756 	r = &damage->rect;
757 	gui_redraw(
758 		r->ul.x - offset.x, r->ul.y - offset.y,
759 		r->lr.x - r->ul.x + 1,
760 		r->lr.y - r->ul.y + 1);
761 	damage = damage->next;
762     }
763 #else
764     /* Redraw the rectangle that covers all the damaged regions */
765     r = &damage->rect;
766     gui_redraw(
767 	    r->ul.x - offset.x, r->ul.y - offset.y,
768 	    r->lr.x - r->ul.x + 1,
769 	    r->lr.y - r->ul.y + 1);
770 #endif
771 
772     PgSetTranslation(&translation, 0);
773 }
774 
775     static int
776 gui_ph_handle_pulldown_menu(
777 	PtWidget_t *widget,
778 	void *data,
779 	PtCallbackInfo_t *info)
780 {
781     if (data != NULL)
782     {
783 	vimmenu_T *menu = (vimmenu_T *) data;
784 
785 	PtPositionMenu(menu->submenu_id, NULL);
786 	PtRealizeWidget(menu->submenu_id);
787     }
788 
789     return Pt_CONTINUE;
790 }
791 
792 /* This is used for pulldown/popup menus and also toolbar buttons */
793     static int
794 gui_ph_handle_menu(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
795 {
796     if (data != NULL)
797     {
798 	vimmenu_T *menu = (vimmenu_T *) data;
799 	gui_menu_cb(menu);
800     }
801     return Pt_CONTINUE;
802 }
803 
804 /* Stop focus from disappearing into the menubar... */
805     static int
806 gui_ph_handle_menu_unrealized(
807 	PtWidget_t *widget,
808 	void *data,
809 	PtCallbackInfo_t *info)
810 {
811     PtGiveFocus(gui.vimTextArea, NULL);
812     return Pt_CONTINUE;
813 }
814 
815     static int
816 gui_ph_handle_window_open(
817 	PtWidget_t *widget,
818 	void *data,
819 	PtCallbackInfo_t *info)
820 {
821     gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
822     return Pt_CONTINUE;
823 }
824 
825 /****************************************************************************/
826 
827 #define DRAW_START  gui_ph_draw_start()
828 #define DRAW_END    gui_ph_draw_end()
829 
830 /* TODO: Set a clipping rect? */
831     static void
832 gui_ph_draw_start(void)
833 {
834     PhGC_t *gc;
835 
836     gc = PgGetGC();
837     PgSetRegion(PtWidgetRid(PtFindDisjoint(gui.vimTextArea)));
838     PgClearClippingsCx(gc);
839     PgClearTranslationCx(gc);
840 
841     PtWidgetOffset(gui.vimTextArea, &gui_ph_raw_offset);
842     PhTranslatePoint(&gui_ph_raw_offset, PtWidgetPos(gui.vimTextArea, NULL));
843 
844     PgSetTranslation(&gui_ph_raw_offset, Pg_RELATIVE);
845 }
846 
847     static void
848 gui_ph_draw_end(void)
849 {
850     gui_ph_raw_offset.x = -gui_ph_raw_offset.x;
851     gui_ph_raw_offset.y = -gui_ph_raw_offset.y;
852     PgSetTranslation(&gui_ph_raw_offset, Pg_RELATIVE);
853 }
854 
855 #ifdef USE_PANEL_GROUP
856     static vimmenu_T *
857 gui_ph_find_buffer_item(char_u *name)
858 {
859     vimmenu_T *top_level = root_menu;
860     vimmenu_T *items = NULL;
861 
862     while (top_level != NULL &&
863 	    (STRCMP(top_level->dname, "Buffers") != 0))
864 	top_level = top_level->next;
865 
866     if (top_level != NULL)
867     {
868 	items = top_level->children;
869 
870 	while (items != NULL &&
871 		(STRCMP(items->dname, name) != 0))
872 	    items = items->next;
873     }
874     return items;
875 }
876 
877     static void
878 gui_ph_pg_set_buffer_num(int_u buf_num)
879 {
880     int i;
881     char search[16];
882     char *mark;
883 
884     if (gui.vimTextArea == NULL || buf_num == 0)
885 	return;
886 
887     search[0] = '(';
888     ultoa(buf_num, &search[1], 10);
889     STRCAT(search, ")");
890 
891     for (i = 0; i < num_panels; i++)
892     {
893 	/* find the last "(" in the panel title and see if the buffer
894 	 * number in the title matches the one we're looking for */
895 	mark = STRRCHR(panel_titles[ i ], '(');
896 	if (mark != NULL && STRCMP(mark, search) == 0)
897 	{
898 	    PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_CURRENT_INDEX,
899 		    i, 0);
900 	}
901     }
902 }
903 
904     static int
905 gui_ph_handle_pg_change(
906 	PtWidget_t *widget,
907 	void *data,
908 	PtCallbackInfo_t *info)
909 {
910     vimmenu_T *menu;
911     PtPanelGroupCallback_t *panel;
912 
913     if (info->event != NULL)
914     {
915 	panel = info->cbdata;
916 	if (panel->new_panel != NULL)
917 	{
918 	    menu = gui_ph_find_buffer_item(panel->new_panel);
919 	    if (menu)
920 		gui_menu_cb(menu);
921 	}
922     }
923     return Pt_CONTINUE;
924 }
925 
926     static void
927 gui_ph_get_panelgroup_margins(
928 	short *top,
929 	short *bottom,
930 	short *left,
931 	short *right)
932 {
933     unsigned short abs_raw_x, abs_raw_y, abs_panel_x, abs_panel_y;
934     const unsigned short *margin_top, *margin_bottom;
935     const unsigned short *margin_left, *margin_right;
936 
937     PtGetAbsPosition(gui.vimTextArea, &abs_raw_x, &abs_raw_y);
938     PtGetAbsPosition(gui.vimPanelGroup, &abs_panel_x, &abs_panel_y);
939 
940     PtGetResource(gui.vimPanelGroup, Pt_ARG_MARGIN_RIGHT, &margin_right, 0);
941     PtGetResource(gui.vimPanelGroup, Pt_ARG_MARGIN_BOTTOM, &margin_bottom, 0);
942 
943     abs_raw_x -= abs_panel_x;
944     abs_raw_y -= abs_panel_y;
945 
946     *top    = abs_raw_y;
947     *bottom = *margin_bottom;
948 
949     *left  = abs_raw_x;
950     *right = *margin_right;
951 }
952 
953 /* Used for the tabs for PtPanelGroup */
954     static int
955 gui_ph_is_buffer_item(vimmenu_T *menu, vimmenu_T *parent)
956 {
957     char *mark;
958 
959     if (STRCMP(parent->dname, "Buffers") == 0)
960     {
961 	/* Look for '(' digits ')' */
962 	mark = vim_strchr(menu->dname, '(');
963 	if (mark != NULL)
964 	{
965 	    mark++;
966 	    while (isdigit(*mark))
967 		mark++;
968 
969 	    if (*mark == ')')
970 		return TRUE;
971 	}
972     }
973     return FALSE;
974 }
975 
976     static void
977 gui_ph_pg_add_buffer(char *name)
978 {
979     char **new_titles = NULL;
980 
981     new_titles = (char **) alloc((num_panels + 1) * sizeof(char **));
982     if (new_titles != NULL)
983     {
984 	if (num_panels > 0)
985 	    memcpy(new_titles, panel_titles, num_panels * sizeof(char **));
986 
987 	new_titles[ num_panels++ ] = name;
988 
989 	PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_PANEL_TITLES, new_titles,
990 		num_panels);
991 
992 	vim_free(panel_titles);
993 	panel_titles = new_titles;
994     }
995 }
996 
997     static void
998 gui_ph_pg_remove_buffer(char *name)
999 {
1000     int i;
1001     char **new_titles = NULL;
1002 
1003     /* If there is only 1 panel, we just use the temporary place holder */
1004     if (num_panels > 1)
1005     {
1006 	new_titles = (char **) alloc((num_panels - 1) * sizeof(char **));
1007 	if (new_titles != NULL)
1008 	{
1009 	    char **s = new_titles;
1010 	    /* Copy all the titles except the one we're removing */
1011 	    for (i = 0; i < num_panels; i++)
1012 	    {
1013 		if (STRCMP(panel_titles[ i ], name) != 0)
1014 		{
1015 		    *s++ = panel_titles[ i ];
1016 		}
1017 	    }
1018 	    num_panels--;
1019 
1020 	    PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_PANEL_TITLES, new_titles,
1021 		    num_panels);
1022 
1023 	    vim_free(panel_titles);
1024 	    panel_titles = new_titles;
1025 	}
1026     }
1027     else
1028     {
1029 	num_panels--;
1030 	PtSetResource(gui.vimPanelGroup, Pt_ARG_PG_PANEL_TITLES, &empty_title,
1031 		1);
1032 
1033 	VIM_CLEAR(panel_titles);
1034     }
1035 }
1036 
1037 /* When a buffer item is deleted from the buffer menu */
1038     static int
1039 gui_ph_handle_buffer_remove(
1040 	PtWidget_t *widget,
1041 	void *data,
1042 	PtCallbackInfo_t *info)
1043 {
1044     vimmenu_T *menu;
1045 
1046     if (data != NULL)
1047     {
1048 	menu = (vimmenu_T *) data;
1049 	gui_ph_pg_remove_buffer(menu->dname);
1050     }
1051 
1052     return Pt_CONTINUE;
1053 }
1054 #endif
1055 
1056     static int
1057 gui_ph_pane_resize(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
1058 {
1059     if (PtWidgetIsRealized(widget))
1060     {
1061 	is_ignore_draw = TRUE;
1062 	PtStartFlux(gui.vimContainer);
1063 	PtContainerHold(gui.vimContainer);
1064     }
1065 
1066     return Pt_CONTINUE;
1067 }
1068 
1069 /****************************************************************************/
1070 
1071     void
1072 gui_ph_encoding_changed(int new_encoding)
1073 {
1074     /* Default encoding is latin1 */
1075     char *charset = "latin1";
1076     int i;
1077 
1078     struct {
1079 	int encoding;
1080 	char *name;
1081     } charsets[] = {
1082 	{ DBCS_JPN, "SHIFT_JIS" },
1083 	{ DBCS_KOR, "csEUCKR" },
1084 	{ DBCS_CHT, "big5" },
1085 	{ DBCS_CHS, "gb" }
1086     };
1087 
1088     for (i = 0; i < ARRAY_LENGTH(charsets); i++)
1089     {
1090 	if (new_encoding == charsets[ i ].encoding)
1091 	    charset = charsets[ i ].name;
1092     }
1093 
1094     charset_translate = PxTranslateSet(charset_translate, charset);
1095 }
1096 
1097 /****************************************************************************/
1098 /****************************************************************************/
1099 
1100     void
1101 gui_mch_prepare(int *argc, char **argv)
1102 {
1103     PtInit(NULL);
1104 }
1105 
1106     int
1107 gui_mch_init(void)
1108 {
1109     PtArg_t args[10];
1110     int	    flags = 0, n = 0;
1111 
1112     PhDim_t	window_size = {100, 100}; /* Arbitrary values */
1113     PhPoint_t	pos = {0, 0};
1114 
1115     gui.event_buffer = (PhEvent_t *) alloc(EVENT_BUFFER_SIZE);
1116     if (gui.event_buffer == NULL)
1117 	return FAIL;
1118 
1119     /* Get a translation so we can convert from ISO Latin-1 to UTF */
1120     charset_translate = PxTranslateSet(NULL, "latin1");
1121 
1122     /* The +2 is for the 1 pixel dark line on each side */
1123     gui.border_offset = gui.border_width = GUI_PH_MARGIN + 2;
1124 
1125     /* Handle close events ourselves */
1126     PtSetArg(&args[ n++ ], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE, Ph_WM_CLOSE);
1127     PtSetArg(&args[ n++ ], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
1128 	    Ph_WM_CLOSE | Ph_WM_RESIZE | Ph_WM_FOCUS);
1129     PtSetArg(&args[ n++ ], Pt_ARG_DIM, &window_size, 0);
1130     gui.vimWindow = PtCreateWidget(PtWindow, NULL, n, args);
1131     if (gui.vimWindow == NULL)
1132 	return FAIL;
1133 
1134     PtAddCallback(gui.vimWindow, Pt_CB_WINDOW, gui_ph_handle_window_cb, NULL);
1135     PtAddCallback(gui.vimWindow, Pt_CB_WINDOW_OPENING,
1136 	    gui_ph_handle_window_open, NULL);
1137 
1138     n = 0;
1139     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS, Pt_ANCHOR_ALL, Pt_IS_ANCHORED);
1140     PtSetArg(&args[ n++ ], Pt_ARG_DIM, &window_size, 0);
1141     PtSetArg(&args[ n++ ], Pt_ARG_POS, &pos, 0);
1142 
1143 #ifdef USE_PANEL_GROUP
1144     /* Put in a temporary place holder title */
1145     PtSetArg(&args[ n++ ], Pt_ARG_PG_PANEL_TITLES, &empty_title, 1);
1146 
1147     gui.vimPanelGroup = PtCreateWidget(PtPanelGroup, gui.vimWindow, n, args);
1148     if (gui.vimPanelGroup == NULL)
1149 	return FAIL;
1150 
1151     PtAddCallback(gui.vimPanelGroup, Pt_CB_PG_PANEL_SWITCHING,
1152 	    gui_ph_handle_pg_change, NULL);
1153 #else
1154     /* Turn off all edge decorations */
1155     PtSetArg(&args[ n++ ], Pt_ARG_BASIC_FLAGS, Pt_FALSE, Pt_ALL);
1156     PtSetArg(&args[ n++ ], Pt_ARG_BEVEL_WIDTH, 0, 0);
1157     PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_WIDTH, 0, 0);
1158     PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_HEIGHT, 0, 0);
1159     PtSetArg(&args[ n++ ], Pt_ARG_CONTAINER_FLAGS, Pt_TRUE, Pt_AUTO_EXTENT);
1160 
1161     gui.vimContainer = PtCreateWidget(PtPane, gui.vimWindow, n, args);
1162     if (gui.vimContainer == NULL)
1163 	return FAIL;
1164 
1165     PtAddCallback(gui.vimContainer, Pt_CB_RESIZE, gui_ph_pane_resize, NULL);
1166 #endif
1167 
1168     /* Size for the text area is set in gui_mch_set_text_area_pos */
1169     n = 0;
1170 
1171     PtSetArg(&args[ n++ ], Pt_ARG_RAW_DRAW_F, gui_ph_handle_raw_draw, 1);
1172     PtSetArg(&args[ n++ ], Pt_ARG_BEVEL_WIDTH, GUI_PH_MARGIN, 0);
1173     /*
1174      * Using focus render also causes the whole widget to be redrawn
1175      * whenever it changes focus, which is very annoying :p
1176      */
1177     PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_TRUE,
1178 	    Pt_GETS_FOCUS | Pt_HIGHLIGHTED);
1179 #ifndef FEAT_MOUSESHAPE
1180     PtSetArg(&args[ n++ ], Pt_ARG_CURSOR_TYPE, GUI_PH_MOUSE_TYPE, 0);
1181     PtSetArg(&args[ n++ ], Pt_ARG_CURSOR_COLOR, gui_ph_mouse_color, 0);
1182 #endif
1183 
1184     gui.vimTextArea = PtCreateWidget(PtRaw, Pt_DFLT_PARENT, n, args);
1185     if (gui.vimTextArea == NULL)
1186 	return FAIL;
1187 
1188     /* TODO: use PtAddEventHandlers instead? */
1189     /* Not using Ph_EV_BUT_REPEAT because vim wouldn't use it anyway */
1190     PtAddEventHandler(gui.vimTextArea,
1191 	    Ph_EV_BUT_PRESS | Ph_EV_BUT_RELEASE | Ph_EV_PTR_MOTION_BUTTON,
1192 	    gui_ph_handle_mouse, NULL);
1193     PtAddEventHandler(gui.vimTextArea, Ph_EV_KEY,
1194 	    gui_ph_handle_keyboard, NULL);
1195     PtAddCallback(gui.vimTextArea, Pt_CB_GOT_FOCUS,
1196 	    gui_ph_handle_focus, NULL);
1197     PtAddCallback(gui.vimTextArea, Pt_CB_LOST_FOCUS,
1198 	    gui_ph_handle_focus, NULL);
1199 
1200     /*
1201      * Now that the text area widget has been created, set up the colours,
1202      * which wil call PtSetResource from gui_mch_new_colors
1203      */
1204 
1205     /*
1206      * Create the two timers, not as accurate as using the kernel timer
1207      * functions, but good enough
1208      */
1209     gui_ph_timer_cursor  = PtCreateWidget(PtTimer, gui.vimWindow, 0, NULL);
1210     if (gui_ph_timer_cursor == NULL)
1211 	return FAIL;
1212 
1213     gui_ph_timer_timeout = PtCreateWidget(PtTimer, gui.vimWindow, 0, NULL);
1214     if (gui_ph_timer_timeout == NULL)
1215 	return FAIL;
1216 
1217     PtAddCallback(gui_ph_timer_cursor,  Pt_CB_TIMER_ACTIVATE,
1218 	    gui_ph_handle_timer_cursor, NULL);
1219     PtAddCallback(gui_ph_timer_timeout, Pt_CB_TIMER_ACTIVATE,
1220 	    gui_ph_handle_timer_timeout, NULL);
1221 
1222 #ifdef FEAT_MENU
1223     n = 0;
1224     PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, window_size.w, 0);
1225     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS, Pt_ANCHOR_LEFT_RIGHT,
1226 	    Pt_IS_ANCHORED);
1227     gui.vimToolBarGroup = PtCreateWidget(PtToolbarGroup, gui.vimWindow,
1228 	    n, args);
1229     if (gui.vimToolBarGroup == NULL)
1230 	return FAIL;
1231 
1232     PtAddCallback(gui.vimToolBarGroup, Pt_CB_RESIZE,
1233 	    gui_ph_handle_menu_resize, NULL);
1234 
1235     n = 0;
1236     flags = 0;
1237     PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, window_size.w, 0);
1238     if (! vim_strchr(p_go, GO_MENUS))
1239     {
1240 	flags |= Pt_DELAY_REALIZE;
1241 	PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_TRUE, flags);
1242     }
1243     gui.vimMenuBar = PtCreateWidget(PtMenuBar, gui.vimToolBarGroup, n, args);
1244     if (gui.vimMenuBar == NULL)
1245 	return FAIL;
1246 
1247 # ifdef FEAT_TOOLBAR
1248     n = 0;
1249 
1250     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS,
1251 	    Pt_ANCHOR_LEFT_RIGHT |Pt_TOP_ANCHORED_TOP, Pt_IS_ANCHORED);
1252     PtSetArg(&args[ n++ ], Pt_ARG_RESIZE_FLAGS, Pt_TRUE,
1253 	    Pt_RESIZE_Y_AS_REQUIRED);
1254     PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, window_size.w, 0);
1255 
1256     flags = Pt_GETS_FOCUS;
1257     if (! vim_strchr(p_go, GO_TOOLBAR))
1258 	flags |= Pt_DELAY_REALIZE;
1259 
1260     PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_DELAY_REALIZE, flags);
1261 
1262     gui.vimToolBar = PtCreateWidget(PtToolbar, gui.vimToolBarGroup, n, args);
1263     if (gui.vimToolBar == NULL)
1264 	return FAIL;
1265 
1266     /*
1267      * Size for the toolbar is fetched in gui_mch_show_toolbar, after
1268      * the buttons have been added and the toolbar has resized it's height
1269      * for the buttons to fit
1270      */
1271 # endif
1272 
1273 #endif
1274 
1275     return OK;
1276 }
1277 
1278     int
1279 gui_mch_init_check(void)
1280 {
1281     return (is_photon_available == TRUE) ? OK : FAIL;
1282 }
1283 
1284     int
1285 gui_mch_open(void)
1286 {
1287     gui.norm_pixel =  Pg_BLACK;
1288     gui.back_pixel =  Pg_WHITE;
1289 
1290     set_normal_colors();
1291 
1292     gui_check_colors();
1293     gui.def_norm_pixel = gui.norm_pixel;
1294     gui.def_back_pixel = gui.back_pixel;
1295 
1296     highlight_gui_started();
1297 
1298     if (gui_win_x != -1 && gui_win_y != -1)
1299 	gui_mch_set_winpos(gui_win_x, gui_win_y);
1300 
1301     return (PtRealizeWidget(gui.vimWindow) == 0) ? OK : FAIL;
1302 }
1303 
1304     void
1305 gui_mch_exit(int rc)
1306 {
1307     PtDestroyWidget(gui.vimWindow);
1308 
1309     PxTranslateSet(charset_translate, NULL);
1310 
1311     vim_free(gui.event_buffer);
1312 
1313 #ifdef USE_PANEL_GROUPS
1314     vim_free(panel_titles);
1315 #endif
1316 }
1317 
1318 /****************************************************************************/
1319 /* events */
1320 
1321 /* When no events are available, photon will call this function, working is
1322  * set to FALSE, and the gui_mch_update loop will exit. */
1323     static int
1324 exit_gui_mch_update(void *data)
1325 {
1326     *(int *)data = FALSE;
1327     return Pt_END;
1328 }
1329 
1330     void
1331 gui_mch_update(void)
1332 {
1333     int working = TRUE;
1334 
1335     PtAppAddWorkProc(NULL, exit_gui_mch_update, &working);
1336     while ((working == TRUE) && !vim_is_input_buf_full())
1337     {
1338 	PtProcessEvent();
1339     }
1340 }
1341 
1342     int
1343 gui_mch_wait_for_chars(int wtime)
1344 {
1345     is_timeout = FALSE;
1346 
1347     if (wtime >= 0)
1348 	PtSetResource(gui_ph_timer_timeout, Pt_ARG_TIMER_INITIAL,
1349 						    wtime == 0 ? 1 : wtime, 0);
1350 
1351     while (1)
1352     {
1353 	PtProcessEvent();
1354 	if (input_available())
1355 	{
1356 	    PtSetResource(gui_ph_timer_timeout, Pt_ARG_TIMER_INITIAL, 0, 0);
1357 	    return OK;
1358 	}
1359 	else if (is_timeout == TRUE)
1360 	    return FAIL;
1361     }
1362 }
1363 
1364 #if defined(FEAT_BROWSE) || defined(PROTO)
1365 /*
1366  * Put up a file requester.
1367  * Returns the selected name in allocated memory, or NULL for Cancel.
1368  * saving,	    select file to write
1369  * title	    title for the window
1370  * default_name	    default name (well duh!)
1371  * ext		    not used (extension added)
1372  * initdir	    initial directory, NULL for current dir
1373  * filter	    not used (file name filter)
1374  */
1375     char_u *
1376 gui_mch_browse(
1377 	int saving,
1378 	char_u *title,
1379 	char_u *default_name,
1380 	char_u *ext,
1381 	char_u *initdir,
1382 	char_u *filter)
1383 {
1384     PtFileSelectionInfo_t file;
1385     int	    flags;
1386     char_u  *default_path;
1387     char_u  *open_text = NULL;
1388 
1389     flags = 0;
1390     memset(&file, 0, sizeof(file));
1391 
1392     default_path = alloc(MAXPATHL + 1 + NAME_MAX + 1);
1393     if (default_path != NULL)
1394     {
1395 	if (saving == TRUE)
1396 	{
1397 	    /* Don't need Pt_FSR_CONFIRM_EXISTING, vim will ask anyway */
1398 	    flags |= Pt_FSR_NO_FCHECK;
1399 	    open_text = "&Save";
1400 	}
1401 
1402 	/* combine the directory and filename into a single path */
1403 	if (initdir == NULL || *initdir == NUL)
1404 	{
1405 	    mch_dirname(default_path, MAXPATHL);
1406 	    initdir = default_path;
1407 	}
1408 	else
1409 	{
1410 	    STRCPY(default_path, initdir);
1411 	    initdir = default_path;
1412 	}
1413 
1414 	if (default_name != NULL)
1415 	{
1416 	    if (default_path[ STRLEN(default_path) - 1 ] != '/')
1417 		STRCAT(default_path, "/");
1418 
1419 	    STRCAT(default_path, default_name);
1420 	}
1421 
1422 	/* TODO: add a filter? */
1423 	PtFileSelection(
1424 		gui.vimWindow,
1425 		NULL,
1426 		title,
1427 		default_path,
1428 		NULL,
1429 		open_text,
1430 		NULL,
1431 		NULL,
1432 		&file,
1433 		flags);
1434 
1435 	vim_free(default_path);
1436 
1437 	if (file.ret == Pt_FSDIALOG_BTN1)
1438 	    return vim_strsave(file.path);
1439     }
1440     return NULL;
1441 }
1442 #endif
1443 
1444 #if defined(FEAT_GUI_DIALOG) || defined(PROTO)
1445 static PtWidget_t *gui_ph_dialog_text = NULL;
1446 
1447     static int
1448 gui_ph_dialog_close(int button, void *data)
1449 {
1450     PtModalCtrl_t *modal_ctrl = data;
1451     char_u *dialog_text, *vim_text;
1452 
1453     if (gui_ph_dialog_text != NULL)
1454     {
1455 	PtGetResource(gui_ph_dialog_text, Pt_ARG_TEXT_STRING, &dialog_text, 0);
1456 	PtGetResource(gui_ph_dialog_text, Pt_ARG_POINTER, &vim_text, 0);
1457 	STRNCPY(vim_text, dialog_text, IOSIZE - 1);
1458     }
1459 
1460     PtModalUnblock(modal_ctrl, (void *) button);
1461 
1462     return Pt_TRUE;
1463 }
1464 
1465     static int
1466 gui_ph_dialog_text_enter(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
1467 {
1468     if (info->reason_subtype == Pt_EDIT_ACTIVATE)
1469 	gui_ph_dialog_close(1, data);
1470     return Pt_CONTINUE;
1471 }
1472 
1473     static int
1474 gui_ph_dialog_esc(PtWidget_t *widget, void *data, PtCallbackInfo_t *info)
1475 {
1476     PhKeyEvent_t *key;
1477 
1478     key = PhGetData(info->event);
1479     if ((key->key_flags & Pk_KF_Cap_Valid) && (key->key_cap == Pk_Escape))
1480     {
1481 	gui_ph_dialog_close(0, data);
1482 	return Pt_CONSUME;
1483     }
1484     return Pt_PROCESS;
1485 }
1486 
1487     int
1488 gui_mch_dialog(
1489 	int	type,
1490 	char_u	*title,
1491 	char_u	*message,
1492 	char_u	*buttons,
1493 	int	default_button,
1494 	char_u	*textfield,
1495 	int	ex_cmd)
1496 {
1497     char_u	*str;
1498     char_u	**button_array;
1499     char_u	*buttons_copy;
1500 
1501     int		button_count;
1502     int		i, len;
1503     int		dialog_result = -1;
1504 
1505     /* FIXME: the vertical option in guioptions is blatantly ignored */
1506     /* FIXME: so is the type */
1507 
1508     button_count = len = i = 0;
1509 
1510     if (buttons == NULL || *buttons == NUL)
1511 	return -1;
1512 
1513     /* There is one less separator than buttons, so bump up the button count */
1514     button_count = 1;
1515 
1516     /* Count string length and number of separators */
1517     for (str = buttons; *str; str++)
1518     {
1519 	len++;
1520 	if (*str == DLG_BUTTON_SEP)
1521 	    button_count++;
1522     }
1523 
1524     if (title == NULL)
1525 	title = "Vim";
1526 
1527     buttons_copy = alloc(len + 1);
1528     button_array = (char_u **) alloc(button_count * sizeof(char_u *));
1529     if (buttons_copy != NULL && button_array != NULL)
1530     {
1531 	STRCPY(buttons_copy, buttons);
1532 
1533 	/*
1534 	 * Convert DLG_BUTTON_SEP into NUL's and fill in
1535 	 * button_array with the pointer to each NUL terminated string
1536 	 */
1537 	str = buttons_copy;
1538 	for (i = 0; i < button_count; i++)
1539 	{
1540 	    button_array[ i ] = str;
1541 	    for (; *str; str++)
1542 	    {
1543 		if (*str == DLG_BUTTON_SEP)
1544 		{
1545 		    *str++ = NUL;
1546 		    break;
1547 		}
1548 	    }
1549 	}
1550 #ifndef FEAT_GUI_TEXTDIALOG
1551 	dialog_result = PtAlert(
1552 		gui.vimWindow, NULL,
1553 		title,
1554 		NULL,
1555 		message, NULL,
1556 		button_count, (const char **) button_array, NULL,
1557 		default_button, 0, Pt_MODAL);
1558 #else
1559 	/* Writing the dialog ourselves lets us add extra features, like
1560 	 * trapping the escape key and returning 0 to vim */
1561 	{
1562 	    int n;
1563 	    PtArg_t args[5];
1564 	    PtWidget_t *dialog, *pane;
1565 	    PtModalCtrl_t modal_ctrl;
1566 	    PtDialogInfo_t di;
1567 
1568 	    memset(&di, 0, sizeof(di));
1569 	    memset(&modal_ctrl, 0, sizeof(modal_ctrl));
1570 
1571 	    n = 0;
1572 	    PtSetArg(&args[n++], Pt_ARG_GROUP_ROWS_COLS, 0, 0);
1573 	    PtSetArg(&args[n++], Pt_ARG_WIDTH, 350, 0);
1574 	    PtSetArg(&args[n++], Pt_ARG_GROUP_ORIENTATION,
1575 		    Pt_GROUP_VERTICAL, 0);
1576 	    PtSetArg(&args[n++], Pt_ARG_GROUP_FLAGS,
1577 		    Pt_TRUE, Pt_GROUP_NO_KEYS | Pt_GROUP_STRETCH_HORIZONTAL);
1578 	    PtSetArg(&args[n++], Pt_ARG_CONTAINER_FLAGS, Pt_FALSE, Pt_TRUE);
1579 	    pane = PtCreateWidget(PtGroup, NULL, n, args);
1580 
1581 	    n = 0;
1582 	    PtSetArg(&args[n++], Pt_ARG_TEXT_STRING, message, 0);
1583 	    PtCreateWidget(PtLabel, pane, n, args);
1584 
1585 	    if (textfield != NULL)
1586 	    {
1587 		n = 0;
1588 		PtSetArg(&args[n++], Pt_ARG_MAX_LENGTH, IOSIZE - 1, 0);
1589 		PtSetArg(&args[n++], Pt_ARG_TEXT_STRING, textfield, 0);
1590 		PtSetArg(&args[n++], Pt_ARG_POINTER, textfield, 0);
1591 		gui_ph_dialog_text = PtCreateWidget(PtText, pane, n, args);
1592 		PtAddCallback(gui_ph_dialog_text, Pt_CB_ACTIVATE,
1593 			gui_ph_dialog_text_enter, &modal_ctrl);
1594 	    }
1595 
1596 	    di.parent = gui.vimWindow;
1597 	    di.pane = pane;
1598 	    di.title = title;
1599 	    di.buttons = (const char **) button_array;
1600 	    di.nbtns = button_count;
1601 	    di.def_btn = default_button;
1602 	    /* This is just to give the dialog the close button.
1603 	     * We check for the Escape key ourselves and return 0 */
1604 	    di.esc_btn = button_count;
1605 	    di.callback = gui_ph_dialog_close;
1606 	    di.data = &modal_ctrl;
1607 
1608 	    dialog = PtCreateDialog(&di);
1609 	    PtAddFilterCallback(dialog, Ph_EV_KEY,
1610 		    gui_ph_dialog_esc, &modal_ctrl);
1611 
1612 	    if (gui_ph_dialog_text != NULL)
1613 		PtGiveFocus(gui_ph_dialog_text, NULL);
1614 
1615 	    /* Open dialog, block the vim window and wait for the dialog to close */
1616 	    PtRealizeWidget(dialog);
1617 	    PtMakeModal(dialog, Ph_CURSOR_NOINPUT, Ph_CURSOR_DEFAULT_COLOR);
1618 	    dialog_result = (int) PtModalBlock(&modal_ctrl, 0);
1619 
1620 	    PtDestroyWidget(dialog);
1621 	    gui_ph_dialog_text = NULL;
1622 	}
1623 #endif
1624     }
1625 
1626     vim_free(button_array);
1627     vim_free(buttons_copy);
1628 
1629     return dialog_result;
1630 }
1631 #endif
1632 /****************************************************************************/
1633 /* window size/position/state */
1634 
1635     int
1636 gui_mch_get_winpos(int *x, int *y)
1637 {
1638     PhPoint_t *pos;
1639 
1640     pos = PtWidgetPos(gui.vimWindow, NULL);
1641 
1642     *x = pos->x;
1643     *y = pos->y;
1644 
1645     return OK;
1646 }
1647 
1648     void
1649 gui_mch_set_winpos(int x, int y)
1650 {
1651     PhPoint_t pos = { x, y };
1652 
1653     PtSetResource(gui.vimWindow, Pt_ARG_POS, &pos, 0);
1654 }
1655 
1656     void
1657 gui_mch_set_shellsize(int width, int height,
1658 	int min_width, int min_height, int base_width, int base_height,
1659 	int direction)
1660 {
1661     PhDim_t window_size = { width, height };
1662     PhDim_t min_size = { min_width, min_height };
1663 
1664 #ifdef USE_PANEL_GROUP
1665     window_size.w += pg_margin_left + pg_margin_right;
1666     window_size.h += pg_margin_top + pg_margin_bottom;
1667 #endif
1668 
1669     PtSetResource(gui.vimWindow, Pt_ARG_MINIMUM_DIM, &min_size, 0);
1670     PtSetResource(gui.vimWindow, Pt_ARG_DIM, &window_size, 0);
1671 
1672     if (! PtWidgetIsRealized(gui.vimWindow))
1673 	gui_ph_resize_container();
1674 }
1675 
1676 /*
1677  * Return the amount of screen space that hasn't been allocated (such as
1678  * by the shelf).
1679  */
1680     void
1681 gui_mch_get_screen_dimensions(int *screen_w, int *screen_h)
1682 {
1683     PhRect_t console;
1684 
1685     PhWindowQueryVisible(Ph_QUERY_WORKSPACE, 0,
1686 	    PhInputGroup(NULL), &console);
1687 
1688     *screen_w = console.lr.x - console.ul.x + 1;
1689     *screen_h = console.lr.y - console.ul.y + 1;
1690 }
1691 
1692     void
1693 gui_mch_iconify(void)
1694 {
1695     PhWindowEvent_t event;
1696 
1697     memset(&event, 0, sizeof (event));
1698     event.event_f = Ph_WM_HIDE;
1699     event.event_state = Ph_WM_EVSTATE_HIDE;
1700     event.rid = PtWidgetRid(gui.vimWindow);
1701     PtForwardWindowEvent(&event);
1702 }
1703 
1704 #if defined(FEAT_EVAL) || defined(PROTO)
1705 /*
1706  * Bring the Vim window to the foreground.
1707  */
1708     void
1709 gui_mch_set_foreground(void)
1710 {
1711     PhWindowEvent_t event;
1712 
1713     memset(&event, 0, sizeof (event));
1714     event.event_f = Ph_WM_TOFRONT;
1715     event.event_state = Ph_WM_EVSTATE_FFRONT;
1716     event.rid = PtWidgetRid(gui.vimWindow);
1717     PtForwardWindowEvent(&event);
1718 }
1719 #endif
1720 
1721     void
1722 gui_mch_settitle(char_u *title,	char_u *icon)
1723 {
1724 #ifdef USE_PANEL_GROUP
1725     gui_ph_pg_set_buffer_num(curwin->w_buffer->b_fnum);
1726 #endif
1727     PtSetResource(gui.vimWindow, Pt_ARG_WINDOW_TITLE, title, 0);
1728     /* Not sure what to do with the icon text, set balloon text somehow? */
1729 }
1730 
1731 /****************************************************************************/
1732 /* Scrollbar */
1733 
1734     void
1735 gui_mch_set_scrollbar_thumb(scrollbar_T *sb, int val, int size, int max)
1736 {
1737     int	    n = 0;
1738     PtArg_t args[3];
1739 
1740     PtSetArg(&args[ n++ ], Pt_ARG_MAXIMUM, max, 0);
1741     PtSetArg(&args[ n++ ], Pt_ARG_SLIDER_SIZE, size, 0);
1742     PtSetArg(&args[ n++ ], Pt_ARG_GAUGE_VALUE, val, 0);
1743     PtSetResources(sb->id, n, args);
1744 }
1745 
1746     void
1747 gui_mch_set_scrollbar_pos(scrollbar_T *sb, int x, int y, int w, int h)
1748 {
1749     PhArea_t area = {{ x, y }, { w, h }};
1750 
1751     PtSetResource(sb->id, Pt_ARG_AREA, &area, 0);
1752 }
1753 
1754     void
1755 gui_mch_create_scrollbar(scrollbar_T *sb, int orient)
1756 {
1757     int	    n = 0;
1758 /*    int	    anchor_flags = 0;*/
1759     PtArg_t args[4];
1760 
1761     /*
1762      * Stop the scrollbar from being realized when the parent
1763      * is realized, so it can be explicitly realized by vim.
1764      *
1765      * Also, don't let the scrollbar get focus
1766      */
1767     PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_DELAY_REALIZE,
1768 	    Pt_DELAY_REALIZE | Pt_GETS_FOCUS);
1769     PtSetArg(&args[ n++ ], Pt_ARG_SCROLLBAR_FLAGS, Pt_SCROLLBAR_SHOW_ARROWS, 0);
1770 #if 0
1771     /* Don't need this anchoring for the scrollbars */
1772     if (orient == SBAR_HORIZ)
1773     {
1774 	anchor_flags = Pt_BOTTOM_ANCHORED_BOTTOM |
1775 	    Pt_LEFT_ANCHORED_LEFT | Pt_RIGHT_ANCHORED_RIGHT;
1776     }
1777     else
1778     {
1779 	anchor_flags = Pt_BOTTOM_ANCHORED_BOTTOM | Pt_TOP_ANCHORED_TOP;
1780 	if (sb->wp != NULL)
1781 	{
1782 	    if (sb == &sb->wp->w_scrollbars[ SBAR_LEFT ])
1783 		anchor_flags |= Pt_LEFT_ANCHORED_LEFT;
1784 	    else
1785 		anchor_flags |= Pt_RIGHT_ANCHORED_RIGHT;
1786 	}
1787     }
1788     PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS, anchor_flags, Pt_IS_ANCHORED);
1789 #endif
1790     PtSetArg(&args[ n++ ], Pt_ARG_ORIENTATION,
1791 	    (orient == SBAR_HORIZ) ? Pt_HORIZONTAL : Pt_VERTICAL, 0);
1792 #ifdef USE_PANEL_GROUP
1793     sb->id = PtCreateWidget(PtScrollbar, gui.vimPanelGroup, n, args);
1794 #else
1795     sb->id = PtCreateWidget(PtScrollbar, gui.vimContainer, n, args);
1796 #endif
1797 
1798     PtAddCallback(sb->id, Pt_CB_SCROLLBAR_MOVE, gui_ph_handle_scrollbar, sb);
1799 }
1800 
1801     void
1802 gui_mch_enable_scrollbar(scrollbar_T *sb, int flag)
1803 {
1804     if (flag != 0)
1805 	PtRealizeWidget(sb->id);
1806     else
1807 	PtUnrealizeWidget(sb->id);
1808 }
1809 
1810     void
1811 gui_mch_destroy_scrollbar(scrollbar_T *sb)
1812 {
1813     PtDestroyWidget(sb->id);
1814     sb->id = NULL;
1815 }
1816 
1817 /****************************************************************************/
1818 /* Mouse functions */
1819 
1820 #if defined(FEAT_MOUSESHAPE) || defined(PROTO)
1821 /* The last set mouse pointer shape is remembered, to be used when it goes
1822  * from hidden to not hidden. */
1823 static int last_shape = 0;
1824 
1825 /* Table for shape IDs.  Keep in sync with the mshape_names[] table in
1826  * misc2.c! */
1827 static int mshape_ids[] =
1828 {
1829     Ph_CURSOR_POINTER,		/* arrow */
1830     Ph_CURSOR_NONE,		/* blank */
1831     Ph_CURSOR_INSERT,		/* beam */
1832     Ph_CURSOR_DRAG_VERTICAL,	/* updown */
1833     Ph_CURSOR_DRAG_VERTICAL,	/* udsizing */
1834     Ph_CURSOR_DRAG_HORIZONTAL,	/* leftright */
1835     Ph_CURSOR_DRAG_HORIZONTAL,	/* lrsizing */
1836     Ph_CURSOR_WAIT,		/* busy */
1837     Ph_CURSOR_DONT,		/* no */
1838     Ph_CURSOR_CROSSHAIR,	/* crosshair */
1839     Ph_CURSOR_FINGER,		/* hand1 */
1840     Ph_CURSOR_FINGER,		/* hand2 */
1841     Ph_CURSOR_FINGER,		/* pencil */
1842     Ph_CURSOR_QUESTION_POINT,	/* question */
1843     Ph_CURSOR_POINTER,		/* right-arrow */
1844     Ph_CURSOR_POINTER,		/* up-arrow */
1845     Ph_CURSOR_POINTER		/* last one */
1846 };
1847 
1848     void
1849 mch_set_mouse_shape(int shape)
1850 {
1851     int	    id;
1852 
1853     if (!gui.in_use)
1854 	return;
1855 
1856     if (shape == MSHAPE_HIDE || gui.pointer_hidden)
1857 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE,
1858 		0);
1859     else
1860     {
1861 	if (shape >= MSHAPE_NUMBERED)
1862 	    id = Ph_CURSOR_POINTER;
1863 	else
1864 	    id = mshape_ids[shape];
1865 
1866 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE, id,	0);
1867     }
1868     if (shape != MSHAPE_HIDE)
1869 	last_shape = shape;
1870 }
1871 #endif
1872 
1873     void
1874 gui_mch_mousehide(int hide)
1875 {
1876     if (gui.pointer_hidden != hide)
1877     {
1878 	gui.pointer_hidden = hide;
1879 #ifdef FEAT_MOUSESHAPE
1880 	if (hide)
1881 	    PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE,
1882 		    Ph_CURSOR_NONE, 0);
1883 	else
1884 	    mch_set_mouse_shape(last_shape);
1885 #else
1886 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_TYPE,
1887 		(hide == MOUSE_SHOW) ? GUI_PH_MOUSE_TYPE : Ph_CURSOR_NONE,
1888 		0);
1889 #endif
1890     }
1891 }
1892 
1893     void
1894 gui_mch_getmouse(int *x, int *y)
1895 {
1896     PhCursorInfo_t info;
1897     short ix, iy;
1898 
1899     /* FIXME: does this return the correct position,
1900      * with respect to the border? */
1901     PhQueryCursor(PhInputGroup(NULL), &info);
1902     PtGetAbsPosition(gui.vimTextArea , &ix, &iy);
1903 
1904     *x = info.pos.x - ix;
1905     *y = info.pos.y - iy;
1906 }
1907 
1908     void
1909 gui_mch_setmouse(int x, int y)
1910 {
1911     short abs_x, abs_y;
1912 
1913     PtGetAbsPosition(gui.vimTextArea, &abs_x, &abs_y);
1914     /* Add the border offset? */
1915     PhMoveCursorAbs(PhInputGroup(NULL), abs_x + x, abs_y + y);
1916 }
1917 
1918 /****************************************************************************/
1919 /* Colours */
1920 
1921 /*
1922  * Return the RGB value of a pixel as a long.
1923  */
1924     guicolor_T
1925 gui_mch_get_rgb(guicolor_T pixel)
1926 {
1927     return (guicolor_T)(PgRGB(PgRedValue(pixel),
1928 				     PgGreenValue(pixel), PgBlueValue(pixel)));
1929 }
1930 
1931     void
1932 gui_mch_new_colors(void)
1933 {
1934 #if 0 /* Don't bother changing the cursor colour */
1935     short color_diff;
1936 
1937     /*
1938      * If there isn't enough difference between the background colour and
1939      * the mouse pointer colour then change the mouse pointer colour
1940      */
1941     color_diff = gui_get_lightness(gui_ph_mouse_color)
1942 					  - gui_get_lightness(gui.back_pixel);
1943 
1944     if (abs(color_diff) < 64)
1945     {
1946 	short r, g, b;
1947 	/* not a great algorithm... */
1948 	r = PgRedValue(gui_ph_mouse_color) ^ 255;
1949 	g = PgGreenValue(gui_ph_mouse_color) ^ 255;
1950 	b = PgBlueValue(gui_ph_mouse_color) ^ 255;
1951 
1952 #ifndef FEAT_MOUSESHAPE
1953 	gui_ph_mouse_color = PgRGB(r, g, b);
1954 	PtSetResource(gui.vimTextArea, Pt_ARG_CURSOR_COLOR,
1955 		gui_ph_mouse_color, 0);
1956 #endif
1957     }
1958 #endif
1959 
1960     PtSetResource(gui.vimTextArea, Pt_ARG_FILL_COLOR, gui.back_pixel, 0);
1961 }
1962 
1963 /*
1964  * This should be split out into a separate file,
1965  * every port does basically the same thing.
1966  *
1967  * This is the gui_w32.c version (i think..)
1968  * Return INVALCOLOR when failed.
1969  */
1970 
1971     guicolor_T
1972 gui_mch_get_color(char_u *name)
1973 {
1974     return gui_get_color_cmn(name);
1975 }
1976 
1977     guicolor_T
1978 gui_mch_get_rgb_color(int r, int g, int b)
1979 {
1980     return gui_get_rgb_color_cmn(r, g, b);
1981 }
1982 
1983     void
1984 gui_mch_set_fg_color(guicolor_T color)
1985 {
1986     PgSetTextColor(color);
1987 }
1988 
1989     void
1990 gui_mch_set_bg_color(guicolor_T color)
1991 {
1992     PgSetFillColor(color);
1993 }
1994 
1995     void
1996 gui_mch_set_sp_color(guicolor_T color)
1997 {
1998 }
1999 
2000     void
2001 gui_mch_invert_rectangle(int row, int col, int nr, int nc)
2002 {
2003     PhRect_t rect;
2004 
2005     rect.ul.x = FILL_X(col);
2006     rect.ul.y = FILL_Y(row);
2007 
2008     /* FIXME: This has an off by one pixel problem */
2009     rect.lr.x = rect.ul.x + nc * gui.char_width;
2010     rect.lr.y = rect.ul.y + nr * gui.char_height;
2011     if (nc > 0)
2012 	rect.lr.x -= 1;
2013     if (nr > 0)
2014 	rect.lr.y -= 1;
2015 
2016     DRAW_START;
2017     PgSetDrawMode(Pg_DrawModeDSTINVERT);
2018     PgDrawRect(&rect, Pg_DRAW_FILL);
2019     PgSetDrawMode(Pg_DrawModeSRCCOPY);
2020     DRAW_END;
2021 }
2022 
2023     void
2024 gui_mch_clear_block(int row1, int col1, int row2, int col2)
2025 {
2026     PhRect_t block = {
2027 	{ FILL_X(col1), FILL_Y(row1) },
2028 	{ FILL_X(col2 + 1) - 1, FILL_Y(row2 + 1) - 1}
2029     };
2030 
2031     DRAW_START;
2032     gui_mch_set_bg_color(gui.back_pixel);
2033     PgDrawRect(&block, Pg_DRAW_FILL);
2034     DRAW_END;
2035 }
2036 
2037     void
2038 gui_mch_clear_all(void)
2039 {
2040     PhRect_t text_rect = {
2041 	{ gui.border_width, gui.border_width },
2042 	{ Columns * gui.char_width + gui.border_width - 1 ,
2043 	    Rows * gui.char_height + gui.border_width - 1 }
2044     };
2045 
2046     if (is_ignore_draw == TRUE)
2047 	return;
2048 
2049     DRAW_START;
2050     gui_mch_set_bg_color(gui.back_pixel);
2051     PgDrawRect(&text_rect, Pg_DRAW_FILL);
2052     DRAW_END;
2053 }
2054 
2055     void
2056 gui_mch_delete_lines(int row, int num_lines)
2057 {
2058     PhRect_t    rect;
2059     PhPoint_t   delta;
2060 
2061     rect.ul.x = FILL_X(gui.scroll_region_left);
2062     rect.ul.y = FILL_Y(row + num_lines);
2063 
2064     rect.lr.x = FILL_X(gui.scroll_region_right + 1) - 1;
2065     rect.lr.y = FILL_Y(gui.scroll_region_bot + 1) - 1;
2066 
2067     PtWidgetOffset(gui.vimTextArea, &gui_ph_raw_offset);
2068     PhTranslatePoint(&gui_ph_raw_offset, PtWidgetPos(gui.vimTextArea, NULL));
2069     PhTranslateRect(&rect, &gui_ph_raw_offset);
2070 
2071     delta.x = 0;
2072     delta.y = -num_lines * gui.char_height;
2073 
2074     PgFlush();
2075 
2076     PhBlit(PtWidgetRid(PtFindDisjoint(gui.vimTextArea)), &rect, &delta);
2077 
2078     gui_clear_block(
2079 	gui.scroll_region_bot - num_lines + 1,
2080 	gui.scroll_region_left,
2081 	gui.scroll_region_bot,
2082 	gui.scroll_region_right);
2083 }
2084 
2085     void
2086 gui_mch_insert_lines(int row, int num_lines)
2087 {
2088     PhRect_t    rect;
2089     PhPoint_t   delta;
2090 
2091     rect.ul.x = FILL_X(gui.scroll_region_left);
2092     rect.ul.y = FILL_Y(row);
2093 
2094     rect.lr.x = FILL_X(gui.scroll_region_right + 1) - 1;
2095     rect.lr.y = FILL_Y(gui.scroll_region_bot - num_lines + 1) - 1;
2096 
2097     PtWidgetOffset(gui.vimTextArea, &gui_ph_raw_offset);
2098     PhTranslatePoint(&gui_ph_raw_offset, PtWidgetPos(gui.vimTextArea, NULL));
2099     PhTranslateRect(&rect, &gui_ph_raw_offset);
2100 
2101     delta.x = 0;
2102     delta.y = num_lines * gui.char_height;
2103 
2104     PgFlush();
2105 
2106     PhBlit(PtWidgetRid(PtFindDisjoint(gui.vimTextArea)) , &rect, &delta);
2107 
2108     gui_clear_block(row, gui.scroll_region_left,
2109 	    row + num_lines - 1, gui.scroll_region_right);
2110 }
2111 
2112     void
2113 gui_mch_draw_string(int row, int col, char_u *s, int len, int flags)
2114 {
2115     static char *utf8_buffer = NULL;
2116     static int	utf8_len = 0;
2117 
2118     PhPoint_t	pos = { TEXT_X(col), TEXT_Y(row) };
2119     PhRect_t	rect;
2120 
2121     if (is_ignore_draw == TRUE)
2122 	return;
2123 
2124     DRAW_START;
2125 
2126     if (!(flags & DRAW_TRANSP))
2127     {
2128 	PgDrawIRect(
2129 		FILL_X(col), FILL_Y(row),
2130 		FILL_X(col + len) - 1, FILL_Y(row + 1) - 1,
2131 		Pg_DRAW_FILL);
2132     }
2133 
2134     if (flags & DRAW_UNDERL)
2135 	PgSetUnderline(gui.norm_pixel, Pg_TRANSPARENT, 0);
2136 
2137     if (charset_translate != NULL && enc_utf8 == 0)
2138     {
2139 	int src_taken, dst_made;
2140 
2141 	/* Use a static buffer to avoid large amounts of de/allocations */
2142 	if (utf8_len < len)
2143 	{
2144 	    utf8_buffer = realloc(utf8_buffer, len * MB_LEN_MAX);
2145 	    utf8_len = len;
2146 	}
2147 
2148 	PxTranslateToUTF(
2149 		charset_translate,
2150 		s,
2151 		len,
2152 		&src_taken,
2153 		utf8_buffer,
2154 		utf8_len,
2155 		&dst_made);
2156 	s = utf8_buffer;
2157 	len = dst_made;
2158     }
2159 
2160     PgDrawText(s, len, &pos, 0);
2161 
2162     if (flags & DRAW_BOLD)
2163     {
2164 	/* FIXME: try and only calculate these values once... */
2165 	rect.ul.x = FILL_X(col) + 1;
2166 	rect.ul.y = FILL_Y(row);
2167 	rect.lr.x = FILL_X(col + len) - 1;
2168 	rect.lr.y = FILL_Y(row + 1) - 1;
2169 	/* PgSetUserClip(NULL) causes the scrollbar to not redraw... */
2170 #if 0
2171 	pos.x++;
2172 
2173 	PgSetUserClip(&rect);
2174 	PgDrawText(s, len, &pos, 0);
2175 	PgSetUserClip(NULL);
2176 #else
2177 	rect.lr.y -= (p_linespace + 1) / 2;
2178 	/* XXX: DrawTextArea doesn't work with phditto */
2179 	PgDrawTextArea(s, len, &rect, Pg_TEXT_BOTTOM);
2180 #endif
2181     }
2182 
2183     if (flags & DRAW_UNDERL)
2184 	PgSetUnderline(Pg_TRANSPARENT, Pg_TRANSPARENT, 0);
2185 
2186     DRAW_END;
2187 }
2188 
2189 /****************************************************************************/
2190 /* Cursor */
2191 
2192     void
2193 gui_mch_draw_hollow_cursor(guicolor_T color)
2194 {
2195     PhRect_t r;
2196 
2197     /* FIXME: Double width characters */
2198 
2199     r.ul.x = FILL_X(gui.col);
2200     r.ul.y = FILL_Y(gui.row);
2201     r.lr.x = r.ul.x + gui.char_width - 1;
2202     r.lr.y = r.ul.y + gui.char_height - 1;
2203 
2204     DRAW_START;
2205     PgSetStrokeColor(color);
2206     PgDrawRect(&r, Pg_DRAW_STROKE);
2207     DRAW_END;
2208 }
2209 
2210     void
2211 gui_mch_draw_part_cursor(int w, int h, guicolor_T color)
2212 {
2213     PhRect_t r;
2214 
2215     r.ul.x = FILL_X(gui.col);
2216     r.ul.y = FILL_Y(gui.row) + gui.char_height - h;
2217     r.lr.x = r.ul.x + w - 1;
2218     r.lr.y = r.ul.y + h - 1;
2219 
2220     DRAW_START;
2221     gui_mch_set_bg_color(color);
2222     PgDrawRect(&r, Pg_DRAW_FILL);
2223     DRAW_END;
2224 }
2225 
2226     int
2227 gui_mch_is_blinking(void)
2228 {
2229     return blink_state != BLINK_NONE;
2230 }
2231 
2232     int
2233 gui_mch_is_blink_off(void)
2234 {
2235     return blink_state == BLINK_OFF;
2236 }
2237 
2238     void
2239 gui_mch_set_blinking(long wait, long on, long off)
2240 {
2241     blink_waittime = wait;
2242     blink_ontime = on;
2243     blink_offtime = off;
2244 }
2245 
2246     void
2247 gui_mch_start_blink(void)
2248 {
2249     /* Only turn on the timer on if none of the times are zero */
2250     if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus)
2251     {
2252 	PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL,
2253 		blink_waittime, 0);
2254 	blink_state = BLINK_ON;
2255 	gui_update_cursor(TRUE, FALSE);
2256     }
2257 }
2258 
2259     void
2260 gui_mch_stop_blink(int may_call_gui_update_cursor)
2261 {
2262     PtSetResource(gui_ph_timer_cursor, Pt_ARG_TIMER_INITIAL, 0, 0);
2263 
2264     if (blink_state == BLINK_OFF && may_call_gui_update_cursor)
2265 	gui_update_cursor(TRUE, FALSE);
2266 
2267     blink_state = BLINK_NONE;
2268 }
2269 
2270 /****************************************************************************/
2271 /* miscellaneous functions */
2272 
2273     void
2274 gui_mch_beep(void)
2275 {
2276     PtBeep();
2277 }
2278 
2279     void
2280 gui_mch_flash(int msec)
2281 {
2282     PgSetFillXORColor(Pg_BLACK, Pg_WHITE);
2283     PgSetDrawMode(Pg_DRAWMODE_XOR);
2284     gui_mch_clear_all();
2285     gui_mch_flush();
2286 
2287     ui_delay((long) msec, TRUE);
2288 
2289     gui_mch_clear_all();
2290     PgSetDrawMode(Pg_DRAWMODE_OPAQUE);
2291     gui_mch_flush();
2292 }
2293 
2294     void
2295 gui_mch_flush(void)
2296 {
2297     PgFlush();
2298 }
2299 
2300     void
2301 gui_mch_set_text_area_pos(int x, int y, int w, int h)
2302 {
2303     PhArea_t area = {{x, y}, {w, h}};
2304 
2305     PtSetResource(gui.vimTextArea, Pt_ARG_AREA, &area, 0);
2306 }
2307 
2308     int
2309 gui_mch_haskey(char_u *name)
2310 {
2311     int i;
2312 
2313     for (i = 0; special_keys[i].key_sym != 0; i++)
2314 	if (name[0] == special_keys[i].vim_code0 &&
2315 		 name[1] == special_keys[i].vim_code1)
2316 	    return OK;
2317     return FAIL;
2318 }
2319 
2320 /****************************************************************************/
2321 /* Menu */
2322 
2323 #ifdef FEAT_TOOLBAR
2324 #include "toolbar.phi"
2325 
2326 static PhImage_t *gui_ph_toolbar_images[] = {
2327     &tb_new_phi,
2328     &tb_open_phi,
2329     &tb_save_phi,
2330     &tb_undo_phi,
2331     &tb_redo_phi,
2332     &tb_cut_phi,
2333     &tb_copy_phi,
2334     &tb_paste_phi,
2335     &tb_print_phi,
2336     &tb_help_phi,
2337     &tb_find_phi,
2338     &tb_save_all_phi,
2339     &tb_save_session_phi,
2340     &tb_new_session_phi,
2341     &tb_load_session_phi,
2342     &tb_macro_phi,
2343     &tb_replace_phi,
2344     &tb_close_phi,
2345     &tb_maximize_phi,
2346     &tb_minimize_phi,
2347     &tb_split_phi,
2348     &tb_shell_phi,
2349     &tb_find_prev_phi,
2350     &tb_find_next_phi,
2351     &tb_find_help_phi,
2352     &tb_make_phi,
2353     &tb_jump_phi,
2354     &tb_ctags_phi,
2355     &tb_vsplit_phi,
2356     &tb_maxwidth_phi,
2357     &tb_minwidth_phi
2358 };
2359 
2360 static PhImage_t *
2361 gui_ph_toolbar_load_icon(char_u *iconfile)
2362 {
2363     static PhImage_t external_icon;
2364     PhImage_t *temp_phi = NULL;
2365 
2366     temp_phi = PxLoadImage(iconfile, NULL);
2367     if (temp_phi != NULL)
2368     {
2369 	/* The label widget will free the image/palette/etc. for us when
2370 	 * it's destroyed */
2371 	temp_phi->flags |= Ph_RELEASE_IMAGE_ALL;
2372 	memcpy(&external_icon, temp_phi, sizeof(external_icon));
2373 	free(temp_phi);
2374 
2375 	temp_phi = &external_icon;
2376     }
2377     return temp_phi;
2378 }
2379 
2380 /*
2381  * This returns either a builtin icon image, an external image or NULL
2382  * if it can't find either.  The caller can't and doesn't need to try and
2383  * free() the returned image, and it can't store the image pointer.
2384  * (When setting the Pt_ARG_LABEL_IMAGE resource, the contents of the
2385  * PhImage_t are copied, and the original PhImage_t aren't needed anymore).
2386  */
2387 static PhImage_t *
2388 gui_ph_toolbar_find_icon(vimmenu_T *menu)
2389 {
2390     char_u full_pathname[ MAXPATHL + 1 ];
2391     PhImage_t *icon = NULL;
2392 
2393     if (menu->icon_builtin == FALSE)
2394     {
2395 	if (menu->iconfile != NULL)
2396 	    /* TODO: use gui_find_iconfile() */
2397 	    icon = gui_ph_toolbar_load_icon(menu->iconfile);
2398 
2399 	/* TODO: Restrict loading to just .png? Search for any format? */
2400 	if ((icon == NULL) &&
2401 	    ((gui_find_bitmap(menu->name, full_pathname, "gif") == OK) ||
2402 	      (gui_find_bitmap(menu->name, full_pathname, "png") == OK)))
2403 	    icon = gui_ph_toolbar_load_icon(full_pathname);
2404 
2405 	if (icon != NULL)
2406 	    return icon;
2407     }
2408 
2409     if (menu->iconidx >= 0 &&
2410 	    (menu->iconidx < ARRAY_LENGTH(gui_ph_toolbar_images)))
2411     {
2412 	return gui_ph_toolbar_images[menu->iconidx];
2413     }
2414 
2415     return NULL;
2416 }
2417 #endif
2418 
2419 #if defined(FEAT_MENU) || defined(PROTO)
2420     void
2421 gui_mch_enable_menu(int flag)
2422 {
2423     if (flag != 0)
2424 	PtRealizeWidget(gui.vimMenuBar);
2425     else
2426 	PtUnrealizeWidget(gui.vimMenuBar);
2427 }
2428 
2429     void
2430 gui_mch_set_menu_pos(int x, int y, int w, int h)
2431 {
2432     /* Nothing */
2433 }
2434 
2435 /* Change the position of a menu button in the parent */
2436     static void
2437 gui_ph_position_menu(PtWidget_t *widget, int priority)
2438 {
2439     PtWidget_t	*traverse;
2440     vimmenu_T	*menu;
2441 
2442     traverse = PtWidgetChildBack(PtWidgetParent(widget));
2443 
2444     /* Iterate through the list of widgets in traverse, until
2445      * we find the position we want to insert our widget into */
2446     /* TODO: traverse from front to back, possible speedup? */
2447     while (traverse != NULL)
2448     {
2449 	PtGetResource(traverse, Pt_ARG_POINTER, &menu, 0);
2450 
2451 	if (menu != NULL &&
2452 		priority < menu->priority &&
2453 		widget != traverse)
2454 	{
2455 	    /* Insert the widget before the current traverse widget */
2456 	    PtWidgetInsert(widget, traverse, 1);
2457 	    return;
2458 	}
2459 
2460 	traverse = PtWidgetBrotherInFront(traverse);
2461     }
2462 }
2463 
2464 /* the index is ignored because it's not useful for our purposes */
2465     void
2466 gui_mch_add_menu(vimmenu_T *menu, int index)
2467 {
2468     vimmenu_T	*parent = menu->parent;
2469     char_u	*accel_key;
2470     char_u	mnemonic_str[MB_LEN_MAX];
2471     int	    n;
2472     PtArg_t args[5];
2473 
2474     menu->submenu_id = menu->id = NULL;
2475 
2476     if (menu_is_menubar(menu->name))
2477     {
2478 
2479 	accel_key = vim_strchr(menu->name, '&');
2480 	if (accel_key != NULL)
2481 	{
2482 	    mnemonic_str[0] = accel_key[1];
2483 	    mnemonic_str[1] = NUL;
2484 	}
2485 
2486 	/* Create the menu button */
2487 	n = 0;
2488 	PtSetArg(&args[ n++ ], Pt_ARG_TEXT_STRING, menu->dname, 0);
2489 	PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_TEXT, menu->actext, 0);
2490 	if (accel_key != NULL)
2491 	    PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_KEY, mnemonic_str, 0);
2492 	PtSetArg(&args[ n++ ], Pt_ARG_POINTER, menu, 0);
2493 
2494 	if (parent != NULL)
2495 	    PtSetArg(&args[ n++ ], Pt_ARG_BUTTON_TYPE, Pt_MENU_RIGHT, 0);
2496 
2497 	menu->id = PtCreateWidget(PtMenuButton,
2498 		(parent == NULL) ? gui.vimMenuBar : parent->submenu_id,
2499 		n, args);
2500 
2501 	PtAddCallback(menu->id, Pt_CB_ARM, gui_ph_handle_pulldown_menu, menu);
2502 
2503 	/* Create the actual menu */
2504 	n = 0;
2505 	if (parent != NULL)
2506 	    PtSetArg(&args[ n++ ], Pt_ARG_MENU_FLAGS, Pt_TRUE, Pt_MENU_CHILD);
2507 
2508 	menu->submenu_id = PtCreateWidget(PtMenu, menu->id, n, args);
2509 
2510 	if (parent == NULL)
2511 	{
2512 	    PtAddCallback(menu->submenu_id, Pt_CB_UNREALIZED,
2513 		    gui_ph_handle_menu_unrealized, menu);
2514 
2515 	    if (menu->mnemonic != 0)
2516 	    {
2517 		PtAddHotkeyHandler(gui.vimWindow, tolower(menu->mnemonic),
2518 			Pk_KM_Alt, 0, menu, gui_ph_handle_pulldown_menu);
2519 	    }
2520 	}
2521 
2522 	gui_ph_position_menu(menu->id, menu->priority);
2523 
2524 	/* Redraw menubar here instead of gui_mch_draw_menubar */
2525 	if (gui.menu_is_active)
2526 	    PtRealizeWidget(menu->id);
2527     }
2528     else if (menu_is_popup(menu->name))
2529     {
2530 	menu->submenu_id = PtCreateWidget(PtMenu, gui.vimWindow, 0, NULL);
2531 	PtAddCallback(menu->submenu_id, Pt_CB_UNREALIZED,
2532 		gui_ph_handle_menu_unrealized, menu);
2533     }
2534 }
2535 
2536     void
2537 gui_mch_add_menu_item(vimmenu_T *menu, int index)
2538 {
2539     vimmenu_T	*parent = menu->parent;
2540     char_u	*accel_key;
2541     char_u	mnemonic_str[MB_LEN_MAX];
2542     int	    n;
2543     PtArg_t args[13];
2544 
2545     n = 0;
2546     PtSetArg(&args[ n++ ], Pt_ARG_POINTER, menu, 0);
2547 
2548 #ifdef FEAT_TOOLBAR
2549     if (menu_is_toolbar(parent->name))
2550     {
2551 	if (menu_is_separator(menu->name))
2552 	{
2553 	    PtSetArg(&args[ n++ ], Pt_ARG_SEP_FLAGS,
2554 		    Pt_SEP_VERTICAL, Pt_SEP_ORIENTATION);
2555 	    PtSetArg(&args[ n++ ], Pt_ARG_SEP_TYPE, Pt_ETCHED_IN, 0);
2556 	    PtSetArg(&args[ n++ ], Pt_ARG_ANCHOR_FLAGS,
2557 		    Pt_TRUE, Pt_ANCHOR_TOP_BOTTOM);
2558 	    PtSetArg(&args[ n++ ], Pt_ARG_WIDTH, 2, 0);
2559 	    menu->id = PtCreateWidget(PtSeparator, gui.vimToolBar, n, args);
2560 	}
2561 	else
2562 	{
2563 	    if (strstr((const char *) p_toolbar, "text") != NULL)
2564 	    {
2565 		PtSetArg(&args[ n++ ], Pt_ARG_BALLOON_POSITION,
2566 			Pt_BALLOON_BOTTOM, 0);
2567 		PtSetArg(&args[ n++ ], Pt_ARG_TEXT_STRING, menu->dname, 0);
2568 		PtSetArg(&args[ n++ ], Pt_ARG_TEXT_FONT, "TextFont08", 0);
2569 	    }
2570 	    if ((strstr((const char *) p_toolbar, "icons") != NULL) &&
2571 		    (gui_ph_toolbar_images != NULL))
2572 	    {
2573 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_IMAGE,
2574 			gui_ph_toolbar_find_icon(menu), 0);
2575 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_TYPE, Pt_TEXT_IMAGE, 0);
2576 		PtSetArg(&args[ n++ ], Pt_ARG_TEXT_IMAGE_SPACING, 0, 0);
2577 	    }
2578 	    if (strstr((const char *) p_toolbar, "tooltips") != NULL)
2579 	    {
2580 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_BALLOON,
2581 			gui_ph_show_tooltip, 0);
2582 		PtSetArg(&args[ n++ ], Pt_ARG_LABEL_FLAGS,
2583 			Pt_TRUE, Pt_SHOW_BALLOON);
2584 	    }
2585 	    PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_HEIGHT, 1, 0);
2586 	    PtSetArg(&args[ n++ ], Pt_ARG_MARGIN_WIDTH, 1, 0);
2587 	    PtSetArg(&args[ n++ ], Pt_ARG_FLAGS, Pt_FALSE,
2588 		    Pt_HIGHLIGHTED | Pt_GETS_FOCUS);
2589 	    PtSetArg(&args[ n++ ], Pt_ARG_FILL_COLOR, Pg_TRANSPARENT, 0);
2590 	    menu->id = PtCreateWidget(PtButton, gui.vimToolBar, n, args);
2591 
2592 	    PtAddCallback(menu->id, Pt_CB_ACTIVATE, gui_ph_handle_menu, menu);
2593 	}
2594 	/* Update toolbar if it's open */
2595 	if (PtWidgetIsRealized(gui.vimToolBar))
2596 	    PtRealizeWidget(menu->id);
2597     }
2598     else
2599 #endif
2600 	if (menu_is_separator(menu->name))
2601     {
2602 	menu->id = PtCreateWidget(PtSeparator, parent->submenu_id, n, args);
2603     }
2604     else
2605     {
2606 	accel_key = vim_strchr(menu->name, '&');
2607 	if (accel_key != NULL)
2608 	{
2609 	    mnemonic_str[0] = accel_key[1];
2610 	    mnemonic_str[1] = NUL;
2611 	}
2612 
2613 	PtSetArg(&args[ n++ ], Pt_ARG_TEXT_STRING, menu->dname, 0);
2614 	if (accel_key != NULL)
2615 	    PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_KEY, mnemonic_str,
2616 		    0);
2617 
2618 	PtSetArg(&args[ n++ ], Pt_ARG_ACCEL_TEXT, menu->actext, 0);
2619 
2620 	menu->id = PtCreateWidget(PtMenuButton, parent->submenu_id, n, args);
2621 
2622 	PtAddCallback(menu->id, Pt_CB_ACTIVATE, gui_ph_handle_menu, menu);
2623 
2624 #ifdef USE_PANEL_GROUP
2625 	if (gui_ph_is_buffer_item(menu, parent) == TRUE)
2626 	{
2627 	    PtAddCallback(menu->id, Pt_CB_DESTROYED,
2628 		    gui_ph_handle_buffer_remove, menu);
2629 	    gui_ph_pg_add_buffer(menu->dname);
2630 	}
2631 #endif
2632     }
2633 
2634     gui_ph_position_menu(menu->id, menu->priority);
2635 }
2636 
2637     void
2638 gui_mch_destroy_menu(vimmenu_T *menu)
2639 {
2640     if (menu->submenu_id != NULL)
2641 	PtDestroyWidget(menu->submenu_id);
2642     if (menu->id != NULL)
2643 	PtDestroyWidget(menu->id);
2644 
2645     menu->submenu_id = NULL;
2646     menu->id = NULL;
2647 }
2648 
2649     void
2650 gui_mch_menu_grey(vimmenu_T *menu, int grey)
2651 {
2652     long    flags, mask, fields;
2653 
2654     if (menu->id == NULL)
2655 	return;
2656 
2657     flags = PtWidgetFlags(menu->id);
2658     if (PtWidgetIsClass(menu->id, PtMenuButton) &&
2659 	    PtWidgetIsClass(PtWidgetParent(menu->id), PtMenu))
2660     {
2661 	fields = Pt_FALSE;
2662 	mask = Pt_SELECTABLE | Pt_HIGHLIGHTED;
2663     }
2664     else
2665     {
2666 	fields = Pt_TRUE;
2667 	mask = Pt_BLOCKED | Pt_GHOST;
2668     }
2669 
2670     if (! grey)
2671 	fields = ~fields;
2672 
2673     PtSetResource(menu->id, Pt_ARG_FLAGS, fields,
2674 	    mask);
2675 }
2676 
2677     void
2678 gui_mch_menu_hidden(vimmenu_T *menu, int hidden)
2679 {
2680     /* TODO: [un]realize the widget? */
2681 }
2682 
2683     void
2684 gui_mch_draw_menubar(void)
2685 {
2686     /* The only time a redraw is needed is when a menu button
2687      * is added to the menubar, and that is detected and the bar
2688      * redrawn in gui_mch_add_menu_item
2689      */
2690 }
2691 
2692     void
2693 gui_mch_show_popupmenu(vimmenu_T *menu)
2694 {
2695     PtSetResource(menu->submenu_id, Pt_ARG_POS, &abs_mouse, 0);
2696     PtRealizeWidget(menu->submenu_id);
2697 }
2698 
2699     void
2700 gui_mch_toggle_tearoffs(int enable)
2701 {
2702     /* No tearoffs yet */
2703 }
2704 
2705 #endif
2706 
2707 #if defined(FEAT_TOOLBAR) || defined(PROTO)
2708     void
2709 gui_mch_show_toolbar(int showit)
2710 {
2711     if (showit)
2712 	PtRealizeWidget(gui.vimToolBar);
2713     else
2714 	PtUnrealizeWidget(gui.vimToolBar);
2715 }
2716 #endif
2717 
2718 /****************************************************************************/
2719 /* Fonts */
2720 
2721     static GuiFont
2722 gui_ph_get_font(
2723 	char_u	*font_name,
2724 	int_u	font_flags,
2725 	int_u	font_size,
2726 	/* Check whether the resulting font has the font flags and size that
2727 	 * was asked for */
2728 	int_u	enforce
2729 	)
2730 {
2731     char_u	    *font_tag;
2732     FontQueryInfo   info;
2733     int_u	    style;
2734 
2735     font_tag = alloc(MAX_FONT_TAG);
2736     if (font_tag != NULL)
2737     {
2738 	if (PfGenerateFontName(font_name, font_flags, font_size,
2739 		    font_tag) != NULL)
2740 	{
2741 	    /* Enforce some limits on the font used */
2742 	    style = PHFONT_INFO_FIXED;
2743 
2744 	    if (enforce & PF_STYLE_BOLD)
2745 		style |= PHFONT_INFO_BOLD;
2746 	    if (enforce & PF_STYLE_ANTIALIAS)
2747 		style |= PHFONT_INFO_ALIAS;
2748 	    if (enforce & PF_STYLE_ITALIC)
2749 		style |= PHFONT_INFO_ITALIC;
2750 
2751 	    PfQueryFontInfo(font_tag, &info);
2752 
2753 	    if (info.size == 0)
2754 		font_size = 0;
2755 
2756 	    /* Make sure font size matches, and that the font style
2757 	     * at least has the bits we're checking for */
2758 	    if (font_size == info.size &&
2759 		    style == (info.style & style))
2760 		return (GuiFont)font_tag;
2761 	}
2762 	vim_free(font_tag);
2763     }
2764     return NULL;
2765 }
2766 
2767 /*
2768  * Split up the vim font name
2769  *
2770  * vim_font is in the form of
2771  * <name>:s<height>:a:b:i
2772  *
2773  * a = antialias
2774  * b = bold
2775  * i = italic
2776  *
2777  */
2778 
2779     static int
2780 gui_ph_parse_font_name(
2781 	char_u *vim_font,
2782 	char_u **font_name,
2783 	int_u *font_flags,
2784 	int_u *font_size)
2785 {
2786     char_u  *mark;
2787     int_u   name_len, size;
2788 
2789     mark = vim_strchr(vim_font, ':');
2790     if (mark == NULL)
2791 	name_len = STRLEN(vim_font);
2792     else
2793 	name_len = (int_u) (mark - vim_font);
2794 
2795     *font_name = vim_strnsave(vim_font, name_len);
2796     if (*font_name != NULL)
2797     {
2798 	if (mark != NULL)
2799 	{
2800 	    while (*mark != NUL && *mark++ == ':')
2801 	    {
2802 		switch (tolower(*mark++))
2803 		{
2804 		    case 'a': *font_flags |= PF_STYLE_ANTIALIAS; break;
2805 		    case 'b': *font_flags |= PF_STYLE_BOLD; break;
2806 		    case 'i': *font_flags |= PF_STYLE_ITALIC; break;
2807 
2808 		    case 's':
2809 			size = getdigits(&mark);
2810 			/* Restrict the size to some vague limits */
2811 			if (size < 1 || size > 100)
2812 			    size = 8;
2813 
2814 			*font_size = size;
2815 			break;
2816 
2817 		    default:
2818 			break;
2819 		}
2820 	    }
2821 	}
2822 	return TRUE;
2823     }
2824     return FALSE;
2825 }
2826 
2827     int
2828 gui_mch_init_font(char_u *vim_font_name, int fontset)
2829 {
2830     char_u  *font_tag;
2831     char_u  *font_name = NULL;
2832     int_u   font_flags = 0;
2833     int_u   font_size  = 12;
2834 
2835     FontQueryInfo info;
2836     PhRect_t extent;
2837 
2838     if (vim_font_name == NULL)
2839     {
2840 	/* Default font */
2841 	vim_font_name = "PC Terminal";
2842     }
2843 
2844     if (STRCMP(vim_font_name, "*") == 0)
2845     {
2846 	font_tag = PtFontSelection(gui.vimWindow, NULL, NULL,
2847 		"pcterm12", -1, PHFONT_FIXED, NULL);
2848 
2849 	if (font_tag == NULL)
2850 	    return FAIL;
2851 
2852 	gui_mch_free_font(gui.norm_font);
2853 	gui.norm_font = font_tag;
2854 
2855 	PfQueryFontInfo(font_tag, &info);
2856 	font_name = vim_strsave(info.font);
2857     }
2858     else
2859     {
2860 	if (gui_ph_parse_font_name(vim_font_name, &font_name, &font_flags,
2861 		    &font_size) == FALSE)
2862 	    return FAIL;
2863 
2864 	font_tag = gui_ph_get_font(font_name, font_flags, font_size, 0);
2865 	if (font_tag == NULL)
2866 	{
2867 	    vim_free(font_name);
2868 	    return FAIL;
2869 	}
2870 
2871 	gui_mch_free_font(gui.norm_font);
2872 	gui.norm_font = font_tag;
2873     }
2874 
2875     gui_mch_free_font(gui.bold_font);
2876     gui.bold_font = gui_ph_get_font(font_name, font_flags | PF_STYLE_BOLD,
2877 	    font_size, PF_STYLE_BOLD);
2878 
2879     gui_mch_free_font(gui.ital_font);
2880     gui.ital_font = gui_ph_get_font(font_name, font_flags | PF_STYLE_ITALIC,
2881 	    font_size, PF_STYLE_ITALIC);
2882 
2883     /* This extent was brought to you by the letter 'g' */
2884     PfExtentText(&extent, NULL, font_tag, "g", 1);
2885 
2886     gui.char_width = extent.lr.x - extent.ul.x + 1;
2887     gui.char_height = (- extent.ul.y) + extent.lr.y + 1;
2888     gui.char_ascent = - extent.ul.y;
2889 
2890     vim_free(font_name);
2891     return OK;
2892 }
2893 
2894 /*
2895  * Adjust gui.char_height (after 'linespace' was changed).
2896  */
2897     int
2898 gui_mch_adjust_charheight(void)
2899 {
2900     FontQueryInfo info;
2901 
2902     PfQueryFontInfo(gui.norm_font, &info);
2903 
2904     gui.char_height = - info.ascender + info.descender + p_linespace;
2905     gui.char_ascent = - info.ascender + p_linespace / 2;
2906 
2907     return OK;
2908 }
2909 
2910     GuiFont
2911 gui_mch_get_font(char_u *vim_font_name, int report_error)
2912 {
2913     char_u  *font_name;
2914     char_u  *font_tag;
2915     int_u   font_size = 12;
2916     int_u   font_flags = 0;
2917 
2918     if (gui_ph_parse_font_name(vim_font_name, &font_name, &font_flags,
2919 		&font_size) != FALSE)
2920     {
2921 	font_tag = gui_ph_get_font(font_name, font_flags, font_size, -1);
2922 	vim_free(font_name);
2923 
2924 	if (font_tag != NULL)
2925 	    return (GuiFont)font_tag;
2926     }
2927 
2928     if (report_error)
2929 	semsg(e_font, vim_font_name);
2930 
2931     return FAIL;
2932 }
2933 
2934 #if defined(FEAT_EVAL) || defined(PROTO)
2935 /*
2936  * Return the name of font "font" in allocated memory.
2937  * Don't know how to get the actual name, thus use the provided name.
2938  */
2939     char_u *
2940 gui_mch_get_fontname(GuiFont font, char_u *name)
2941 {
2942     if (name == NULL)
2943 	return NULL;
2944     return vim_strsave(name);
2945 }
2946 #endif
2947 
2948     void
2949 gui_mch_set_font(GuiFont font)
2950 {
2951     PgSetFont(font);
2952 }
2953 
2954     void
2955 gui_mch_free_font(GuiFont font)
2956 {
2957     vim_free(font);
2958 }
2959 
2960