8 #include <X11/keysym.h>
13 #define CURSOR_BLINK_ON_DELAY 600
14 #define CURSOR_BLINK_OFF_DELAY 300
18 char *WMTextDidChangeNotification
= "WMTextDidChangeNotification";
19 char *WMTextDidBeginEditingNotification
= "WMTextDidBeginEditingNotification";
20 char *WMTextDidEndEditingNotification
= "WMTextDidEndEditingNotification";
23 typedef struct W_TextField
{
28 struct W_TextField
*nextField
; /* next textfield in the chain */
29 struct W_TextField
*prevField
;
33 int textLen
; /* size of text */
34 int bufferSize
; /* memory allocated for text */
36 int viewPosition
; /* position of text being shown */
38 int cursorPosition
; /* position of the insertion cursor */
41 short offsetWidth
; /* offset of text from border */
47 WMTextFieldDelegate
*delegate
;
50 WMHandlerID timerID
; /* for cursor blinking */
53 WMAlignment alignment
:2;
55 unsigned int bordered
:1;
57 unsigned int beveled
:1;
59 unsigned int enabled
:1;
61 unsigned int focused
:1;
63 unsigned int cursorOn
:1;
65 unsigned int secure
:1; /* password entry style */
67 unsigned int pointerGrabbed
:1;
69 unsigned int ownsSelection
:1;
71 unsigned int waitingSelection
:1; /* requested selection, but
75 unsigned int notIllegalMovement
:1;
80 #define NOTIFY(T,C,N,A) { WMNotification *notif = WMCreateNotification(N,T,A);\
81 if ((T)->delegate && (T)->delegate->C)\
82 (*(T)->delegate->C)((T)->delegate,notif);\
83 WMPostNotification(notif);\
84 WMReleaseNotification(notif);}
87 #define MIN_TEXT_BUFFER 2
88 #define TEXT_BUFFER_INCR 8
91 #define WM_EMACSKEYMASK ControlMask
93 #define WM_EMACSKEY_LEFT XK_b
94 #define WM_EMACSKEY_RIGHT XK_f
95 #define WM_EMACSKEY_HOME XK_a
96 #define WM_EMACSKEY_END XK_e
97 #define WM_EMACSKEY_BS XK_h
98 #define WM_EMACSKEY_DEL XK_d
102 #define DEFAULT_WIDTH 60
103 #define DEFAULT_HEIGHT 20
104 #define DEFAULT_BORDERED True
105 #define DEFAULT_ALIGNMENT WALeft
109 static void destroyTextField(TextField
*tPtr
);
110 static void paintTextField(TextField
*tPtr
);
112 static void handleEvents(XEvent
*event
, void *data
);
113 static void handleTextFieldActionEvents(XEvent
*event
, void *data
);
114 static void didResizeTextField();
116 struct W_ViewDelegate _TextFieldViewDelegate
= {
126 static void lostSelection(WMView
*view
, Atom selection
, void *cdata
);
128 static WMData
*requestHandler(WMView
*view
, Atom selection
, Atom target
,
129 void *cdata
, Atom
*type
);
132 static WMSelectionProcs selectionHandler
= {
139 #define TEXT_WIDTH(tPtr, start) (WMWidthOfString((tPtr)->font, \
140 &((tPtr)->text[(start)]), (tPtr)->textLen - (start) + 1))
142 #define TEXT_WIDTH2(tPtr, start, end) (WMWidthOfString((tPtr)->font, \
143 &((tPtr)->text[(start)]), (end) - (start) + 1))
147 normalizeRange(TextField
*tPtr
, WMRange
*range
)
149 if (range
->position
< 0 && range
->count
< 0)
152 if (range
->count
== 0) {
153 /*range->position = 0; why is this?*/
157 /* (1,-2) ~> (0,1) ; (1,-1) ~> (0,1) ; (2,-1) ~> (1,1) */
158 if (range
->count
< 0) { /* && range->position >= 0 */
159 if (range
->position
+ range
->count
< 0) {
160 range
->count
= range
->position
;
163 range
->count
= -range
->count
;
164 range
->position
-= range
->count
;
166 /* (-2,1) ~> (0,0) ; (-1,1) ~> (0,0) ; (-1,2) ~> (0,1) */
167 } else if (range
->position
< 0) { /* && range->count > 0 */
168 if (range
->position
+ range
->count
< 0) {
169 range
->position
= range
->count
= 0;
171 range
->count
+= range
->position
;
176 if (range
->position
+ range
->count
> tPtr
->textLen
)
177 range
->count
= tPtr
->textLen
- range
->position
;
181 memmv(char *dest
, char *src
, int size
)
186 for (i
=size
-1; i
>=0; i
--) {
189 } else if (dest
< src
) {
190 for (i
=0; i
<size
; i
++) {
198 incrToFit(TextField
*tPtr
)
200 int vp
= tPtr
->viewPosition
;
202 while (TEXT_WIDTH(tPtr
, tPtr
->viewPosition
) > tPtr
->usableWidth
) {
203 tPtr
->viewPosition
++;
205 return vp
!=tPtr
->viewPosition
;
210 incrToFit2(TextField
*tPtr
)
212 int vp
= tPtr
->viewPosition
;
213 while (TEXT_WIDTH2(tPtr
, tPtr
->viewPosition
, tPtr
->cursorPosition
)
214 >= tPtr
->usableWidth
)
215 tPtr
->viewPosition
++;
218 return vp
!=tPtr
->viewPosition
;
223 decrToFit(TextField
*tPtr
)
225 while (TEXT_WIDTH(tPtr
, tPtr
->viewPosition
-1) < tPtr
->usableWidth
226 && tPtr
->viewPosition
>0)
227 tPtr
->viewPosition
--;
236 requestHandler(WMView
*view
, Atom selection
, Atom target
, void *cdata
,
239 TextField
*tPtr
= view
->self
;
241 Display
*dpy
= tPtr
->view
->screen
->display
;
243 Atom TEXT
= XInternAtom(dpy
, "TEXT", False
);
244 Atom COMPOUND_TEXT
= XInternAtom(dpy
, "COMPOUND_TEXT", False
);
247 count
= tPtr
->selection
.count
< 0
248 ? tPtr
->selection
.position
+ tPtr
->selection
.count
249 : tPtr
->selection
.position
;
251 if (target
== XA_STRING
|| target
== TEXT
|| target
== COMPOUND_TEXT
) {
253 data
= WMCreateDataWithBytes(&(tPtr
->text
[count
]),
254 abs(tPtr
->selection
.count
));
255 WMSetDataFormat(data
, 8);
261 _TARGETS
= XInternAtom(dpy
, "TARGETS", False
);
262 if (target
== _TARGETS
) {
265 ptr
= wmalloc(4 * sizeof(Atom
));
269 ptr
[3] = COMPOUND_TEXT
;
271 data
= WMCreateDataWithBytes(ptr
, 4*4);
272 WMSetDataFormat(data
, 32);
284 lostSelection(WMView
*view
, Atom selection
, void *cdata
)
286 TextField
*tPtr
= (WMTextField
*)view
->self
;
288 if (tPtr
->flags
.ownsSelection
) {
289 WMDeleteSelectionHandler(view
, selection
, CurrentTime
);
290 tPtr
->flags
.ownsSelection
= 0;
292 if (tPtr
->selection
.count
!= 0) {
293 tPtr
->selection
.count
= 0;
294 paintTextField(tPtr
);
300 selectionNotification(void *observerData
, WMNotification
*notification
)
302 WMView
*observerView
= (WMView
*)observerData
;
303 WMView
*newOwnerView
= (WMView
*)WMGetNotificationClientData(notification
);
305 if (observerView
!= newOwnerView
) {
307 //if (tPtr->flags.ownsSelection)
308 // WMDeleteSelectionHandler(observerView, XA_PRIMARY, CurrentTime);
310 lostSelection(observerView
, XA_PRIMARY
, NULL
);
316 WMCreateTextField(WMWidget
*parent
)
320 tPtr
= wmalloc(sizeof(TextField
));
321 memset(tPtr
, 0, sizeof(TextField
));
323 tPtr
->widgetClass
= WC_TextField
;
325 tPtr
->view
= W_CreateView(W_VIEW(parent
));
330 tPtr
->view
->self
= tPtr
;
332 tPtr
->view
->delegate
= &_TextFieldViewDelegate
;
334 tPtr
->view
->attribFlags
|= CWCursor
;
335 tPtr
->view
->attribs
.cursor
= tPtr
->view
->screen
->textCursor
;
337 W_SetViewBackgroundColor(tPtr
->view
, tPtr
->view
->screen
->white
);
339 tPtr
->text
= wmalloc(MIN_TEXT_BUFFER
);
342 tPtr
->bufferSize
= MIN_TEXT_BUFFER
;
344 tPtr
->flags
.enabled
= 1;
346 WMCreateEventHandler(tPtr
->view
, ExposureMask
|StructureNotifyMask
347 |FocusChangeMask
, handleEvents
, tPtr
);
349 tPtr
->font
= WMRetainFont(tPtr
->view
->screen
->normalFont
);
351 tPtr
->flags
.bordered
= DEFAULT_BORDERED
;
352 tPtr
->flags
.beveled
= True
;
353 tPtr
->flags
.alignment
= DEFAULT_ALIGNMENT
;
355 WMAX((tPtr
->view
->size
.height
- WMFontHeight(tPtr
->font
))/2, 1);
357 W_ResizeView(tPtr
->view
, DEFAULT_WIDTH
, DEFAULT_HEIGHT
);
359 WMCreateEventHandler(tPtr
->view
, EnterWindowMask
|LeaveWindowMask
360 |ButtonReleaseMask
|ButtonPressMask
|KeyPressMask
|Button1MotionMask
,
361 handleTextFieldActionEvents
, tPtr
);
363 WMAddNotificationObserver(selectionNotification
, tPtr
->view
,
364 WMSelectionOwnerDidChangeNotification
,
368 tPtr
->flags
.cursorOn
= 1;
375 WMSetTextFieldDelegate(WMTextField
*tPtr
, WMTextFieldDelegate
*delegate
)
377 CHECK_CLASS(tPtr
, WC_TextField
);
379 tPtr
->delegate
= delegate
;
384 WMGetTextFieldDelegate(WMTextField
*tPtr
)
386 CHECK_CLASS(tPtr
, WC_TextField
);
388 return tPtr
->delegate
;
393 WMInsertTextFieldText(WMTextField
*tPtr
, char *text
, int position
)
397 CHECK_CLASS(tPtr
, WC_TextField
);
404 /* check if buffer will hold the text */
405 if (len
+ tPtr
->textLen
>= tPtr
->bufferSize
) {
406 tPtr
->bufferSize
= tPtr
->textLen
+ len
+ TEXT_BUFFER_INCR
;
407 tPtr
->text
= wrealloc(tPtr
->text
, tPtr
->bufferSize
);
410 if (position
< 0 || position
>= tPtr
->textLen
) {
411 /* append the text at the end */
412 strcat(tPtr
->text
, text
);
416 tPtr
->textLen
+= len
;
417 tPtr
->cursorPosition
+= len
;
419 /* insert text at position */
420 memmv(&(tPtr
->text
[position
+len
]), &(tPtr
->text
[position
]),
421 tPtr
->textLen
-position
+1);
423 memcpy(&(tPtr
->text
[position
]), text
, len
);
425 tPtr
->textLen
+= len
;
426 if (position
>= tPtr
->cursorPosition
) {
427 tPtr
->cursorPosition
+= len
;
434 paintTextField(tPtr
);
438 WMDeleteTextFieldRange(WMTextField
*tPtr
, WMRange range
)
440 CHECK_CLASS(tPtr
, WC_TextField
);
442 normalizeRange(tPtr
, &range
);
447 memmv(&(tPtr
->text
[range
.position
]), &(tPtr
->text
[range
.position
+range
.count
]),
448 tPtr
->textLen
- (range
.position
+range
.count
) + 1);
450 tPtr
->textLen
-= range
.count
;
452 /* try to keep cursorPosition at the same place */
453 tPtr
->viewPosition
-= range
.count
;
454 if (tPtr
->viewPosition
< 0)
455 tPtr
->viewPosition
= 0;
456 tPtr
->cursorPosition
= range
.position
;
460 paintTextField(tPtr
);
466 WMGetTextFieldText(WMTextField
*tPtr
)
468 CHECK_CLASS(tPtr
, WC_TextField
);
470 return wstrdup(tPtr
->text
);
475 WMSetTextFieldText(WMTextField
*tPtr
, char *text
)
477 CHECK_CLASS(tPtr
, WC_TextField
);
479 if ((text
&& strcmp(tPtr
->text
, text
) == 0) ||
480 (!text
&& tPtr
->textLen
== 0))
487 tPtr
->textLen
= strlen(text
);
489 if (tPtr
->textLen
>= tPtr
->bufferSize
) {
490 tPtr
->bufferSize
= tPtr
->textLen
+ TEXT_BUFFER_INCR
;
491 tPtr
->text
= wrealloc(tPtr
->text
, tPtr
->bufferSize
);
493 strcpy(tPtr
->text
, text
);
496 tPtr
->cursorPosition
= tPtr
->selection
.position
= tPtr
->textLen
;
497 tPtr
->viewPosition
= 0;
498 tPtr
->selection
.count
= 0;
500 if (tPtr
->view
->flags
.realized
)
501 paintTextField(tPtr
);
506 WMSetTextFieldAlignment(WMTextField
*tPtr
, WMAlignment alignment
)
508 CHECK_CLASS(tPtr
, WC_TextField
);
510 tPtr
->flags
.alignment
= alignment
;
512 if (alignment
!=WALeft
) {
513 wwarning("only left alignment is supported in textfields");
517 if (tPtr
->view
->flags
.realized
) {
518 paintTextField(tPtr
);
524 WMSetTextFieldBordered(WMTextField
*tPtr
, Bool bordered
)
526 CHECK_CLASS(tPtr
, WC_TextField
);
528 tPtr
->flags
.bordered
= bordered
;
530 if (tPtr
->view
->flags
.realized
) {
531 paintTextField(tPtr
);
537 WMSetTextFieldBeveled(WMTextField
*tPtr
, Bool flag
)
539 CHECK_CLASS(tPtr
, WC_TextField
);
541 tPtr
->flags
.beveled
= ((flag
==0) ? 0 : 1);
543 if (tPtr
->view
->flags
.realized
) {
544 paintTextField(tPtr
);
551 WMSetTextFieldSecure(WMTextField
*tPtr
, Bool flag
)
553 CHECK_CLASS(tPtr
, WC_TextField
);
555 tPtr
->flags
.secure
= ((flag
==0) ? 0 : 1);
557 if (tPtr
->view
->flags
.realized
) {
558 paintTextField(tPtr
);
564 WMGetTextFieldEditable(WMTextField
*tPtr
)
566 CHECK_CLASS(tPtr
, WC_TextField
);
568 return tPtr
->flags
.enabled
;
573 WMSetTextFieldEditable(WMTextField
*tPtr
, Bool flag
)
575 CHECK_CLASS(tPtr
, WC_TextField
);
577 tPtr
->flags
.enabled
= ((flag
==0) ? 0 : 1);
579 if (tPtr
->view
->flags
.realized
) {
580 paintTextField(tPtr
);
586 WMSelectTextFieldRange(WMTextField
*tPtr
, WMRange range
)
588 CHECK_CLASS(tPtr
, WC_TextField
);
590 if (tPtr
->flags
.enabled
) {
591 normalizeRange(tPtr
, &range
);
593 tPtr
->selection
= range
;
595 tPtr
->cursorPosition
= range
.position
+ range
.count
;
597 if (tPtr
->view
->flags
.realized
) {
598 paintTextField(tPtr
);
605 WMSetTextFieldCursorPosition(WMTextField
*tPtr
, unsigned int position
)
607 CHECK_CLASS(tPtr
, WC_TextField
);
609 if (tPtr
->flags
.enabled
) {
610 if (position
> tPtr
->textLen
)
611 position
= tPtr
->textLen
;
613 tPtr
->cursorPosition
= position
;
614 if (tPtr
->view
->flags
.realized
) {
615 paintTextField(tPtr
);
622 WMSetTextFieldNextTextField(WMTextField
*tPtr
, WMTextField
*next
)
624 CHECK_CLASS(tPtr
, WC_TextField
);
626 if (tPtr
->view
->nextFocusChain
)
627 tPtr
->view
->nextFocusChain
->prevFocusChain
= NULL
;
628 tPtr
->view
->nextFocusChain
= NULL
;
632 CHECK_CLASS(next
, WC_TextField
);
634 if (tPtr
->view
->nextFocusChain
)
635 tPtr
->view
->nextFocusChain
->prevFocusChain
= NULL
;
636 if (next
->view
->prevFocusChain
)
637 next
->view
->prevFocusChain
->nextFocusChain
= NULL
;
639 tPtr
->view
->nextFocusChain
= next
->view
;
640 next
->view
->prevFocusChain
= tPtr
->view
;
645 WMSetTextFieldPrevTextField(WMTextField
*tPtr
, WMTextField
*prev
)
647 CHECK_CLASS(tPtr
, WC_TextField
);
649 if (tPtr
->view
->prevFocusChain
)
650 tPtr
->view
->prevFocusChain
->nextFocusChain
= NULL
;
651 tPtr
->view
->prevFocusChain
= NULL
;
655 CHECK_CLASS(prev
, WC_TextField
);
657 if (tPtr
->view
->prevFocusChain
)
658 tPtr
->view
->prevFocusChain
->nextFocusChain
= NULL
;
659 if (prev
->view
->nextFocusChain
)
660 prev
->view
->nextFocusChain
->prevFocusChain
= NULL
;
662 tPtr
->view
->prevFocusChain
= prev
->view
;
663 prev
->view
->nextFocusChain
= tPtr
->view
;
668 WMSetTextFieldFont(WMTextField
*tPtr
, WMFont
*font
)
670 CHECK_CLASS(tPtr
, WC_TextField
);
673 WMReleaseFont(tPtr
->font
);
674 tPtr
->font
= WMRetainFont(font
);
677 WMAX((tPtr
->view
->size
.height
- WMFontHeight(tPtr
->font
))/2, 1);
679 if (tPtr
->view
->flags
.realized
) {
680 paintTextField(tPtr
);
687 WMGetTextFieldFont(WMTextField
*tPtr
)
694 didResizeTextField(W_ViewDelegate
*self
, WMView
*view
)
696 WMTextField
*tPtr
= (WMTextField
*)view
->self
;
699 WMAX((tPtr
->view
->size
.height
- WMFontHeight(tPtr
->font
))/2, 1);
701 tPtr
->usableWidth
= tPtr
->view
->size
.width
- 2*tPtr
->offsetWidth
/*+ 2*/;
706 makeHiddenString(int length
)
708 char *data
= wmalloc(length
+1);
710 memset(data
, '*', length
);
718 paintCursor(TextField
*tPtr
)
721 WMScreen
*screen
= tPtr
->view
->screen
;
725 if (tPtr
->flags
.secure
)
726 text
= makeHiddenString(strlen(tPtr
->text
));
730 cx
= WMWidthOfString(tPtr
->font
, &(text
[tPtr
->viewPosition
]),
731 tPtr
->cursorPosition
-tPtr
->viewPosition
);
733 switch (tPtr
->flags
.alignment
) {
735 textWidth
= WMWidthOfString(tPtr
->font
, text
, tPtr
->textLen
);
736 if (textWidth
< tPtr
->usableWidth
)
737 cx
+= tPtr
->offsetWidth
+ tPtr
->usableWidth
- textWidth
+ 1;
739 cx
+= tPtr
->offsetWidth
+ 1;
742 cx
+= tPtr
->offsetWidth
+ 1;
747 textWidth
= WMWidthOfString(tPtr
->font
, text
, tPtr
->textLen
);
748 if (textWidth
< tPtr
->usableWidth
)
749 cx
+= tPtr
->offsetWidth
+ (tPtr
->usableWidth
-textWidth
)/2;
751 cx
+= tPtr
->offsetWidth
;
755 XDrawRectangle(screen->display, tPtr->view->window, screen->xorGC,
756 cx, tPtr->offsetWidth, 1,
757 tPtr->view->size.height - 2*tPtr->offsetWidth - 1);
758 printf("%d %d\n",cx,tPtr->cursorPosition);
760 XDrawLine(screen
->display
, tPtr
->view
->window
, screen
->xorGC
,
761 cx
, tPtr
->offsetWidth
, cx
,
762 tPtr
->view
->size
.height
- tPtr
->offsetWidth
- 1);
764 if (tPtr
->flags
.secure
)
771 drawRelief(WMView
*view
, Bool beveled
)
773 WMScreen
*scr
= view
->screen
;
774 Display
*dpy
= scr
->display
;
778 int width
= view
->size
.width
;
779 int height
= view
->size
.height
;
781 dgc
= WMColorGC(scr
->darkGray
);
784 XDrawRectangle(dpy
, view
->window
, dgc
, 0, 0, width
-1, height
-1);
788 wgc
= WMColorGC(scr
->white
);
789 lgc
= WMColorGC(scr
->gray
);
792 XDrawLine(dpy
, view
->window
, dgc
, 0, 0, width
-1, 0);
793 XDrawLine(dpy
, view
->window
, dgc
, 0, 1, width
-2, 1);
795 XDrawLine(dpy
, view
->window
, dgc
, 0, 0, 0, height
-2);
796 XDrawLine(dpy
, view
->window
, dgc
, 1, 0, 1, height
-3);
799 XDrawLine(dpy
, view
->window
, wgc
, 0, height
-1, width
-1, height
-1);
800 XDrawLine(dpy
, view
->window
, lgc
, 1, height
-2, width
-2, height
-2);
802 XDrawLine(dpy
, view
->window
, wgc
, width
-1, 0, width
-1, height
-1);
803 XDrawLine(dpy
, view
->window
, lgc
, width
-2, 1, width
-2, height
-3);
808 paintTextField(TextField
*tPtr
)
810 W_Screen
*screen
= tPtr
->view
->screen
;
811 W_View
*view
= tPtr
->view
;
822 if (!view
->flags
.realized
|| !view
->flags
.mapped
)
825 if (!tPtr
->flags
.bordered
) {
831 if (tPtr
->flags
.secure
) {
832 text
= makeHiddenString(strlen(tPtr
->text
));
837 totalWidth
= tPtr
->view
->size
.width
- 2*bd
;
839 drawbuffer
= XCreatePixmap(screen
->display
, view
->window
,
840 view
->size
.width
, view
->size
.height
, screen
->depth
);
841 XFillRectangle(screen
->display
, drawbuffer
, WMColorGC(screen
->white
),
842 0,0, view
->size
.width
,view
->size
.height
);
843 /* this is quite dirty */
844 viewbuffer
.screen
= view
->screen
;
845 viewbuffer
.size
= view
->size
;
846 viewbuffer
.window
= drawbuffer
;
849 if (tPtr
->textLen
> 0) {
850 tw
= WMWidthOfString(tPtr
->font
, &(text
[tPtr
->viewPosition
]),
851 tPtr
->textLen
- tPtr
->viewPosition
);
853 th
= WMFontHeight(tPtr
->font
);
855 ty
= tPtr
->offsetWidth
;
856 switch (tPtr
->flags
.alignment
) {
858 tx
= tPtr
->offsetWidth
+ 1;
859 if (tw
< tPtr
->usableWidth
)
860 XFillRectangle(screen
->display
, drawbuffer
,
861 WMColorGC(screen
->white
),
862 bd
+tw
,bd
, totalWidth
-tw
,view
->size
.height
-2*bd
);
866 tx
= tPtr
->offsetWidth
+ (tPtr
->usableWidth
- tw
) / 2;
867 if (tw
< tPtr
->usableWidth
)
868 XClearArea(screen
->display
, view
->window
, bd
, bd
,
869 totalWidth
, view
->size
.height
-2*bd
, False
);
874 tx
= tPtr
->offsetWidth
+ tPtr
->usableWidth
- tw
- 1;
875 if (tw
< tPtr
->usableWidth
)
876 XClearArea(screen
->display
, view
->window
, bd
, bd
,
877 totalWidth
-tw
, view
->size
.height
-2*bd
, False
);
881 color
= tPtr
->flags
.enabled
? screen
->black
: screen
->darkGray
;
883 WMDrawImageString(screen
, drawbuffer
, color
, screen
->white
,
884 tPtr
->font
, tx
, ty
, &(text
[tPtr
->viewPosition
]),
885 tPtr
->textLen
- tPtr
->viewPosition
);
887 if (tPtr
->selection
.count
) {
890 count
= tPtr
->selection
.count
< 0
891 ? tPtr
->selection
.position
+ tPtr
->selection
.count
892 : tPtr
->selection
.position
;
893 count2
= abs(tPtr
->selection
.count
);
894 if (count
< tPtr
->viewPosition
) {
895 count2
= abs(count2
- abs(tPtr
->viewPosition
- count
));
896 count
= tPtr
->viewPosition
;
899 rx
= tPtr
->offsetWidth
+ 1 + WMWidthOfString(tPtr
->font
,text
,count
)
900 - WMWidthOfString(tPtr
->font
,text
,tPtr
->viewPosition
);
902 WMDrawImageString(screen
, drawbuffer
, color
, screen
->gray
,
903 tPtr
->font
, rx
, ty
, &(text
[count
]), count2
);
906 XFillRectangle(screen
->display
, drawbuffer
, WMColorGC(screen
->white
),
907 bd
, bd
, totalWidth
,view
->size
.height
-2*bd
);
911 if (tPtr
->flags
.bordered
) {
912 drawRelief(&viewbuffer
, tPtr
->flags
.beveled
);
915 if (tPtr
->flags
.secure
)
917 XCopyArea(screen
->display
, drawbuffer
, view
->window
,
918 screen
->copyGC
, 0,0, view
->size
.width
,
919 view
->size
.height
,0,0);
920 XFreePixmap(screen
->display
, drawbuffer
);
923 if (tPtr
->flags
.focused
&& tPtr
->flags
.enabled
&& tPtr
->flags
.cursorOn
) {
931 blinkCursor(void *data
)
933 TextField
*tPtr
= (TextField
*)data
;
935 if (tPtr
->flags
.cursorOn
) {
936 tPtr
->timerID
= WMAddTimerHandler(CURSOR_BLINK_OFF_DELAY
, blinkCursor
,
939 tPtr
->timerID
= WMAddTimerHandler(CURSOR_BLINK_ON_DELAY
, blinkCursor
,
943 tPtr
->flags
.cursorOn
= !tPtr
->flags
.cursorOn
;
949 handleEvents(XEvent
*event
, void *data
)
951 TextField
*tPtr
= (TextField
*)data
;
953 CHECK_CLASS(data
, WC_TextField
);
956 switch (event
->type
) {
958 if (W_FocusedViewOfToplevel(W_TopLevelOfView(tPtr
->view
))!=tPtr
->view
)
960 tPtr
->flags
.focused
= 1;
962 if (!tPtr
->timerID
) {
963 tPtr
->timerID
= WMAddTimerHandler(CURSOR_BLINK_ON_DELAY
,
967 paintTextField(tPtr
);
969 NOTIFY(tPtr
, didBeginEditing
, WMTextDidBeginEditingNotification
, NULL
);
971 tPtr
->flags
.notIllegalMovement
= 0;
975 tPtr
->flags
.focused
= 0;
978 WMDeleteTimerHandler(tPtr
->timerID
);
979 tPtr
->timerID
= NULL
;
982 paintTextField(tPtr
);
983 if (!tPtr
->flags
.notIllegalMovement
) {
984 NOTIFY(tPtr
, didEndEditing
, WMTextDidEndEditingNotification
,
985 (void*)WMIllegalTextMovement
);
990 if (event
->xexpose
.count
!=0)
992 paintTextField(tPtr
);
996 destroyTextField(tPtr
);
1003 handleTextFieldKeyPress(TextField
*tPtr
, XEvent
*event
)
1007 char *textEvent
= NULL
;
1009 int count
, refresh
= 0;
1010 int control_pressed
= 0;
1011 int cancelSelection
= 1;
1012 Bool shifted
, controled
, modified
;
1015 /*printf("(%d,%d) -> ", tPtr->selection.position, tPtr->selection.count);*/
1016 if (((XKeyEvent
*) event
)->state
& WM_EMACSKEYMASK
)
1017 control_pressed
= 1;
1019 shifted
= (event
->xkey
.state
& ShiftMask
? True
: False
);
1020 controled
= (event
->xkey
.state
& ControlMask
? True
: False
);
1021 modified
= shifted
|| controled
;
1023 count
= XLookupString(&event
->xkey
, buffer
, 63, &ksym
, NULL
);
1024 buffer
[count
] = '\0';
1028 #ifdef XK_ISO_Left_Tab
1029 case XK_ISO_Left_Tab
:
1033 if (tPtr
->view
->prevFocusChain
) {
1034 W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr
->view
),
1035 tPtr
->view
->prevFocusChain
);
1036 tPtr
->flags
.notIllegalMovement
= 1;
1038 data
= (void*)WMBacktabTextMovement
;
1040 if (tPtr
->view
->nextFocusChain
) {
1041 W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr
->view
),
1042 tPtr
->view
->nextFocusChain
);
1043 tPtr
->flags
.notIllegalMovement
= 1;
1045 data
= (void*)WMTabTextMovement
;
1047 textEvent
= WMTextDidEndEditingNotification
;
1049 cancelSelection
= 0;
1057 data
= (void*)WMEscapeTextMovement
;
1058 textEvent
= WMTextDidEndEditingNotification
;
1066 data
= (void*)WMReturnTextMovement
;
1067 textEvent
= WMTextDidEndEditingNotification
;
1073 case WM_EMACSKEY_LEFT
:
1074 if (!control_pressed
)
1083 if (tPtr
->cursorPosition
> 0) {
1086 int i
= tPtr
->cursorPosition
- 1;
1088 while (i
> 0 && tPtr
->text
[i
] != ' ') i
--;
1089 while (i
> 0 && tPtr
->text
[i
] == ' ') i
--;
1091 tPtr
->cursorPosition
= (i
> 0) ? i
+ 1 : 0;
1093 tPtr
->cursorPosition
--;
1095 if (tPtr
->cursorPosition
< tPtr
->viewPosition
) {
1096 tPtr
->viewPosition
= tPtr
->cursorPosition
;
1102 cancelSelection
= 0;
1108 case WM_EMACSKEY_RIGHT
:
1109 if (!control_pressed
)
1118 if (tPtr
->cursorPosition
< tPtr
->textLen
) {
1121 int i
= tPtr
->cursorPosition
;
1123 while (tPtr
->text
[i
] && tPtr
->text
[i
] != ' ') i
++;
1124 while (tPtr
->text
[i
] == ' ') i
++;
1126 tPtr
->cursorPosition
= i
;
1128 tPtr
->cursorPosition
++;
1130 while (WMWidthOfString(tPtr
->font
,
1131 &(tPtr
->text
[tPtr
->viewPosition
]),
1132 tPtr
->cursorPosition
-tPtr
->viewPosition
)
1133 > tPtr
->usableWidth
) {
1134 tPtr
->viewPosition
++;
1141 cancelSelection
= 0;
1147 case WM_EMACSKEY_HOME
:
1148 if (!control_pressed
)
1158 if (tPtr
->cursorPosition
> 0) {
1160 tPtr
->cursorPosition
= 0;
1161 if (tPtr
->viewPosition
> 0) {
1162 tPtr
->viewPosition
= 0;
1168 cancelSelection
= 0;
1174 case WM_EMACSKEY_END
:
1175 if (!control_pressed
)
1185 if (tPtr
->cursorPosition
< tPtr
->textLen
) {
1187 tPtr
->cursorPosition
= tPtr
->textLen
;
1188 tPtr
->viewPosition
= 0;
1189 while (WMWidthOfString(tPtr
->font
,
1190 &(tPtr
->text
[tPtr
->viewPosition
]),
1191 tPtr
->textLen
-tPtr
->viewPosition
)
1192 > tPtr
->usableWidth
) {
1193 tPtr
->viewPosition
++;
1200 cancelSelection
= 0;
1206 case WM_EMACSKEY_BS
:
1207 if (!control_pressed
)
1214 if (tPtr
->selection
.count
) {
1215 WMDeleteTextFieldRange(tPtr
, tPtr
->selection
);
1216 data
= (void*)WMDeleteTextEvent
;
1217 textEvent
= WMTextDidChangeNotification
;
1218 } else if (tPtr
->cursorPosition
> 0) {
1220 range
.position
= tPtr
->cursorPosition
- 1;
1222 WMDeleteTextFieldRange(tPtr
, range
);
1223 data
= (void*)WMDeleteTextEvent
;
1224 textEvent
= WMTextDidChangeNotification
;
1231 case WM_EMACSKEY_DEL
:
1232 if (!control_pressed
)
1242 if (tPtr
->selection
.count
) {
1243 WMDeleteTextFieldRange(tPtr
, tPtr
->selection
);
1244 data
= (void*)WMDeleteTextEvent
;
1245 textEvent
= WMTextDidChangeNotification
;
1246 } else if (tPtr
->cursorPosition
< tPtr
->textLen
) {
1248 range
.position
= tPtr
->cursorPosition
;
1250 WMDeleteTextFieldRange(tPtr
, range
);
1251 data
= (void*)WMDeleteTextEvent
;
1252 textEvent
= WMTextDidChangeNotification
;
1262 if (count
> 0 && !iscntrl(buffer
[0])) {
1263 if (tPtr
->selection
.count
)
1264 WMDeleteTextFieldRange(tPtr
, tPtr
->selection
);
1265 WMInsertTextFieldText(tPtr
, buffer
, tPtr
->cursorPosition
);
1266 data
= (void*)WMInsertTextEvent
;
1267 textEvent
= WMTextDidChangeNotification
;
1276 WMRelayToNextResponder(W_VIEW(tPtr
), event
);
1280 /* Do not allow text selection in secure text fields */
1281 if (cancelSelection
|| tPtr
->flags
.secure
) {
1282 lostSelection(tPtr
->view
, XA_PRIMARY
, NULL
);
1284 if (tPtr
->selection
.count
) {
1285 tPtr
->selection
.count
= 0;
1288 tPtr
->selection
.position
= tPtr
->cursorPosition
;
1290 if (tPtr
->selection
.count
!= tPtr
->cursorPosition
- tPtr
->selection
.position
) {
1292 tPtr
->selection
.count
= tPtr
->cursorPosition
- tPtr
->selection
.position
;
1298 /*printf("(%d,%d)\n", tPtr->selection.position, tPtr->selection.count);*/
1301 WMNotification
*notif
= WMCreateNotification(textEvent
, tPtr
, data
);
1303 if (tPtr
->delegate
) {
1304 if (textEvent
==WMTextDidBeginEditingNotification
&&
1305 tPtr
->delegate
->didBeginEditing
)
1306 (*tPtr
->delegate
->didBeginEditing
)(tPtr
->delegate
, notif
);
1308 else if (textEvent
==WMTextDidEndEditingNotification
&&
1309 tPtr
->delegate
->didEndEditing
)
1310 (*tPtr
->delegate
->didEndEditing
)(tPtr
->delegate
, notif
);
1312 else if (textEvent
==WMTextDidChangeNotification
&&
1313 tPtr
->delegate
->didChange
)
1314 (*tPtr
->delegate
->didChange
)(tPtr
->delegate
, notif
);
1317 WMPostNotification(notif
);
1318 WMReleaseNotification(notif
);
1322 paintTextField(tPtr
);
1324 /*printf("(%d,%d)\n", tPtr->selection.position, tPtr->selection.count);*/
1329 pointToCursorPosition(TextField
*tPtr
, int x
)
1334 if (tPtr
->flags
.bordered
)
1337 a
= tPtr
->viewPosition
;
1338 b
= tPtr
->viewPosition
+ tPtr
->textLen
;
1339 if (WMWidthOfString(tPtr
->font
, &(tPtr
->text
[tPtr
->viewPosition
]),
1340 tPtr
->textLen
- tPtr
->viewPosition
) < x
)
1341 return tPtr
->textLen
;
1343 while (a
< b
&& b
-a
>1) {
1345 tw
= WMWidthOfString(tPtr
->font
, &(tPtr
->text
[tPtr
->viewPosition
]),
1346 mid
- tPtr
->viewPosition
);
1360 pasteText(WMView
*view
, Atom selection
, Atom target
, Time timestamp
,
1361 void *cdata
, WMData
*data
)
1363 TextField
*tPtr
= (TextField
*)view
->self
;
1366 tPtr
->flags
.waitingSelection
= 0;
1369 str
= (char*)WMDataBytes(data
);
1371 WMInsertTextFieldText(tPtr
, str
, tPtr
->cursorPosition
);
1372 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1373 (void*)WMInsertTextEvent
);
1377 str
= XFetchBuffer(tPtr
->view
->screen
->display
, &n
, 0);
1381 WMInsertTextFieldText(tPtr
, str
, tPtr
->cursorPosition
);
1383 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1384 (void*)WMInsertTextEvent
);
1391 handleTextFieldActionEvents(XEvent
*event
, void *data
)
1393 TextField
*tPtr
= (TextField
*)data
;
1394 static int move
= 0;
1395 static Time lastButtonReleasedEvent
= 0;
1396 Display
*dpy
= event
->xany
.display
;
1398 CHECK_CLASS(data
, WC_TextField
);
1400 switch (event
->type
) {
1402 if (tPtr
->flags
.waitingSelection
) {
1405 if (tPtr
->flags
.enabled
&& tPtr
->flags
.focused
) {
1406 handleTextFieldKeyPress(tPtr
, event
);
1407 XDefineCursor(dpy
, W_VIEW(tPtr
)->window
,
1408 W_VIEW(tPtr
)->screen
->invisibleCursor
);
1409 tPtr
->flags
.pointerGrabbed
= 1;
1415 if (tPtr
->flags
.pointerGrabbed
) {
1416 tPtr
->flags
.pointerGrabbed
= 0;
1417 XDefineCursor(dpy
, W_VIEW(tPtr
)->window
,
1418 W_VIEW(tPtr
)->screen
->textCursor
);
1420 if (tPtr
->flags
.waitingSelection
) {
1424 if (tPtr
->flags
.enabled
&& (event
->xmotion
.state
& Button1Mask
)) {
1426 if (tPtr
->viewPosition
< tPtr
->textLen
&& event
->xmotion
.x
>
1427 tPtr
->usableWidth
) {
1428 if (WMWidthOfString(tPtr
->font
,
1429 &(tPtr
->text
[tPtr
->viewPosition
]),
1430 tPtr
->cursorPosition
-tPtr
->viewPosition
)
1431 > tPtr
->usableWidth
) {
1432 tPtr
->viewPosition
++;
1434 } else if (tPtr
->viewPosition
> 0 && event
->xmotion
.x
< 0) {
1436 tPtr
->viewPosition
--;
1439 tPtr
->cursorPosition
=
1440 pointToCursorPosition(tPtr
, event
->xmotion
.x
);
1442 /* Do not allow text selection in secure textfields */
1443 if (tPtr
->flags
.secure
) {
1444 tPtr
->selection
.position
= tPtr
->cursorPosition
;
1447 tPtr
->selection
.count
= tPtr
->cursorPosition
- tPtr
->selection
.position
;
1450 paintTextField(tPtr
);
1456 if (tPtr
->flags
.pointerGrabbed
) {
1457 tPtr
->flags
.pointerGrabbed
= 0;
1458 XDefineCursor(dpy
, W_VIEW(tPtr
)->window
,
1459 W_VIEW(tPtr
)->screen
->textCursor
);
1463 if (tPtr
->flags
.waitingSelection
) {
1468 switch (tPtr
->flags
.alignment
) {
1471 textWidth
= WMWidthOfString(tPtr
->font
, tPtr
->text
, tPtr
->textLen
);
1472 if (tPtr
->flags
.enabled
&& !tPtr
->flags
.focused
) {
1473 WMSetFocusToWidget(tPtr
);
1475 if (tPtr
->flags
.focused
) {
1476 tPtr
->selection
.position
= tPtr
->cursorPosition
;
1477 tPtr
->selection
.count
= 0;
1479 if (textWidth
< tPtr
->usableWidth
) {
1480 tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1481 event
->xbutton
.x
- tPtr
->usableWidth
1483 } else tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1486 paintTextField(tPtr
);
1490 if (tPtr
->flags
.enabled
&& !tPtr
->flags
.focused
) {
1491 WMSetFocusToWidget(tPtr
);
1493 if (tPtr
->flags
.focused
&& event
->xbutton
.button
== Button1
) {
1494 tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1496 tPtr
->selection
.position
= tPtr
->cursorPosition
;
1497 tPtr
->selection
.count
= 0;
1498 paintTextField(tPtr
);
1500 if (event
->xbutton
.button
== Button2
&& tPtr
->flags
.enabled
) {
1504 if (!WMRequestSelection(tPtr
->view
, XA_PRIMARY
, XA_STRING
,
1505 event
->xbutton
.time
,
1507 text
= XFetchBuffer(tPtr
->view
->screen
->display
, &n
, 0);
1511 WMInsertTextFieldText(tPtr
, text
, tPtr
->cursorPosition
);
1513 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1514 (void*)WMInsertTextEvent
);
1517 tPtr
->flags
.waitingSelection
= 1;
1527 if (tPtr
->flags
.pointerGrabbed
) {
1528 tPtr
->flags
.pointerGrabbed
= 0;
1529 XDefineCursor(dpy
, W_VIEW(tPtr
)->window
,
1530 W_VIEW(tPtr
)->screen
->textCursor
);
1532 if (tPtr
->flags
.waitingSelection
) {
1536 if (!tPtr
->flags
.secure
&& tPtr
->selection
.count
!=0) {
1538 XRotateBuffers(dpy
, 1);
1540 count
= abs(tPtr
->selection
.count
);
1541 if (tPtr
->selection
.count
< 0)
1542 start
= tPtr
->selection
.position
- count
;
1544 start
= tPtr
->selection
.position
;
1546 XStoreBuffer(dpy
, &tPtr
->text
[start
], count
, 0);
1551 if (!tPtr
->flags
.secure
&&
1552 event
->xbutton
.time
- lastButtonReleasedEvent
1553 <= WINGsConfiguration
.doubleClickDelay
) {
1554 tPtr
->selection
.position
= 0;
1555 tPtr
->selection
.count
= tPtr
->textLen
;
1556 paintTextField(tPtr
);
1558 if (!tPtr
->flags
.ownsSelection
) {
1559 tPtr
->flags
.ownsSelection
=
1560 WMCreateSelectionHandler(tPtr
->view
,
1562 event
->xbutton
.time
,
1563 &selectionHandler
, NULL
);
1565 } else if (!tPtr
->flags
.secure
&& tPtr
->selection
.count
!=0 &&
1566 !tPtr
->flags
.ownsSelection
) {
1567 tPtr
->flags
.ownsSelection
=
1568 WMCreateSelectionHandler(tPtr
->view
,
1570 event
->xbutton
.time
,
1571 &selectionHandler
, NULL
);
1574 lastButtonReleasedEvent
= event
->xbutton
.time
;
1582 destroyTextField(TextField
*tPtr
)
1586 WMDeleteTimerHandler(tPtr
->timerID
);
1589 WMReleaseFont(tPtr
->font
);
1590 /*// use lostSelection() instead of WMDeleteSelectionHandler here?*/
1591 WMDeleteSelectionHandler(tPtr
->view
, XA_PRIMARY
, CurrentTime
);
1592 WMRemoveNotificationObserver(tPtr
);