7 #include <X11/keysym.h>
12 #define CURSOR_BLINK_ON_DELAY 600
13 #define CURSOR_BLINK_OFF_DELAY 300
17 char *WMTextDidChangeNotification
= "WMTextDidChangeNotification";
18 char *WMTextDidBeginEditingNotification
= "WMTextDidBeginEditingNotification";
19 char *WMTextDidEndEditingNotification
= "WMTextDidEndEditingNotification";
22 typedef struct W_TextField
{
27 struct W_TextField
*nextField
; /* next textfield in the chain */
28 struct W_TextField
*prevField
;
32 int textLen
; /* size of text */
33 int bufferSize
; /* memory allocated for text */
35 int viewPosition
; /* position of text being shown */
37 int cursorPosition
; /* position of the insertion cursor */
40 short offsetWidth
; /* offset of text from border */
43 WMRange prevselection
;
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;
70 unsigned int notIllegalMovement
:1;
75 #define NOTIFY(T,C,N,A) { WMNotification *notif = WMCreateNotification(N,T,A);\
76 if ((T)->delegate && (T)->delegate->C)\
77 (*(T)->delegate->C)((T)->delegate,notif);\
78 WMPostNotification(notif);\
79 WMReleaseNotification(notif);}
82 #define MIN_TEXT_BUFFER 2
83 #define TEXT_BUFFER_INCR 8
86 #define WM_EMACSKEYMASK ControlMask
88 #define WM_EMACSKEY_LEFT XK_b
89 #define WM_EMACSKEY_RIGHT XK_f
90 #define WM_EMACSKEY_HOME XK_a
91 #define WM_EMACSKEY_END XK_e
92 #define WM_EMACSKEY_BS XK_h
93 #define WM_EMACSKEY_DEL XK_d
97 #define DEFAULT_WIDTH 60
98 #define DEFAULT_HEIGHT 20
99 #define DEFAULT_BORDERED True
100 #define DEFAULT_ALIGNMENT WALeft
104 static void destroyTextField(TextField
*tPtr
);
105 static void paintTextField(TextField
*tPtr
);
107 static void handleEvents(XEvent
*event
, void *data
);
108 static void handleTextFieldActionEvents(XEvent
*event
, void *data
);
109 static void resizeTextField();
111 struct W_ViewProcedureTable _TextFieldViewProcedures
= {
118 #define TEXT_WIDTH(tPtr, start) (WMWidthOfString((tPtr)->font, \
119 &((tPtr)->text[(start)]), (tPtr)->textLen - (start) + 1))
121 #define TEXT_WIDTH2(tPtr, start, end) (WMWidthOfString((tPtr)->font, \
122 &((tPtr)->text[(start)]), (end) - (start) + 1))
126 memmv(char *dest
, char *src
, int size
)
131 for (i
=size
-1; i
>=0; i
--) {
134 } else if (dest
< src
) {
135 for (i
=0; i
<size
; i
++) {
143 incrToFit(TextField
*tPtr
)
145 int vp
= tPtr
->viewPosition
;
147 while (TEXT_WIDTH(tPtr
, tPtr
->viewPosition
) > tPtr
->usableWidth
) {
148 tPtr
->viewPosition
++;
150 return vp
!=tPtr
->viewPosition
;
155 incrToFit2(TextField
*tPtr
)
157 int vp
= tPtr
->viewPosition
;
158 while (TEXT_WIDTH2(tPtr
, tPtr
->viewPosition
, tPtr
->cursorPosition
)
159 >= tPtr
->usableWidth
)
160 tPtr
->viewPosition
++;
163 return vp
!=tPtr
->viewPosition
;
168 decrToFit(TextField
*tPtr
)
170 while (TEXT_WIDTH(tPtr
, tPtr
->viewPosition
-1) < tPtr
->usableWidth
171 && tPtr
->viewPosition
>0)
172 tPtr
->viewPosition
--;
179 requestHandler(WMWidget
*w
, Atom selection
, Atom target
, Atom
*type
,
180 void **value
, unsigned *length
, int *format
) {
183 Display
*dpy
= tPtr
->view
->screen
->display
;
186 text
= XGetAtomName(tPtr
->view
->screen
->display
,target
);
188 text
= XGetAtomName(tPtr
->view
->screen
->display
,selection
);
194 count
= tPtr
->selection
.count
< 0
195 ? tPtr
->selection
.position
+ tPtr
->selection
.count
196 : tPtr
->selection
.position
;
198 if (target
== XA_STRING
||
199 target
== XInternAtom(dpy
, "TEXT", False
) ||
200 target
== XInternAtom(dpy
, "COMPOUND_TEXT", False
)) {
201 *value
= wstrdup(&(tPtr
->text
[count
]));
202 *length
= abs(tPtr
->selection
.count
);
208 _TARGETS
= XInternAtom(dpy
, "TARGETS", False
);
209 if (target
== _TARGETS
) {
213 ptr
= *value
= (char *) wmalloc(4 * sizeof(Atom
));
216 ptr
[2] = XInternAtom(dpy
, "TEXT", False
);
217 ptr
[4] = XInternAtom(dpy
, "COMPOUND_TEXT", False
);
222 *target = XA_PRIMARY;
230 lostHandler(WMWidget
*w
, Atom selection
)
233 tPtr
->selection
.count
= 0;
234 paintTextField(tPtr
);
239 WMCreateTextField(WMWidget
*parent
)
243 tPtr
= wmalloc(sizeof(TextField
));
244 memset(tPtr
, 0, sizeof(TextField
));
246 tPtr
->widgetClass
= WC_TextField
;
248 tPtr
->view
= W_CreateView(W_VIEW(parent
));
253 tPtr
->view
->self
= tPtr
;
255 tPtr
->view
->attribFlags
|= CWCursor
;
256 tPtr
->view
->attribs
.cursor
= tPtr
->view
->screen
->textCursor
;
258 W_SetViewBackgroundColor(tPtr
->view
, tPtr
->view
->screen
->white
);
260 tPtr
->text
= wmalloc(MIN_TEXT_BUFFER
);
263 tPtr
->bufferSize
= MIN_TEXT_BUFFER
;
265 tPtr
->flags
.enabled
= 1;
267 WMCreateEventHandler(tPtr
->view
, ExposureMask
|StructureNotifyMask
268 |FocusChangeMask
, handleEvents
, tPtr
);
270 W_ResizeView(tPtr
->view
, DEFAULT_WIDTH
, DEFAULT_HEIGHT
);
272 tPtr
->font
= WMRetainFont(tPtr
->view
->screen
->normalFont
);
274 tPtr
->flags
.bordered
= DEFAULT_BORDERED
;
275 tPtr
->flags
.beveled
= True
;
276 tPtr
->flags
.alignment
= DEFAULT_ALIGNMENT
;
278 WMAX((tPtr
->view
->size
.height
- WMFontHeight(tPtr
->font
))/2, 1);
280 WMCreateEventHandler(tPtr
->view
, EnterWindowMask
|LeaveWindowMask
281 |ButtonReleaseMask
|ButtonPressMask
|KeyPressMask
|Button1MotionMask
,
282 handleTextFieldActionEvents
, tPtr
);
284 WMCreateSelectionHandler(tPtr
, XA_PRIMARY
, CurrentTime
, requestHandler
,
288 tPtr
->flags
.cursorOn
= 1;
295 WMSetTextFieldDelegate(WMTextField
*tPtr
, WMTextFieldDelegate
*delegate
)
297 tPtr
->delegate
= delegate
;
302 WMInsertTextFieldText(WMTextField
*tPtr
, char *text
, int position
)
306 CHECK_CLASS(tPtr
, WC_TextField
);
313 /* check if buffer will hold the text */
314 if (len
+ tPtr
->textLen
>= tPtr
->bufferSize
) {
315 tPtr
->bufferSize
= tPtr
->textLen
+ len
+ TEXT_BUFFER_INCR
;
316 tPtr
->text
= realloc(tPtr
->text
, tPtr
->bufferSize
);
319 if (position
< 0 || position
>= tPtr
->textLen
) {
320 /* append the text at the end */
321 strcat(tPtr
->text
, text
);
325 tPtr
->textLen
+= len
;
326 tPtr
->cursorPosition
+= len
;
328 /* insert text at position */
329 memmv(&(tPtr
->text
[position
+len
]), &(tPtr
->text
[position
]),
330 tPtr
->textLen
-position
+1);
332 memcpy(&(tPtr
->text
[position
]), text
, len
);
334 tPtr
->textLen
+= len
;
335 if (position
>= tPtr
->cursorPosition
) {
336 tPtr
->cursorPosition
+= len
;
343 paintTextField(tPtr
);
348 WMDeleteTextFieldRange(WMTextField
*tPtr
, WMRange range
)
350 CHECK_CLASS(tPtr
, WC_TextField
);
352 if (range
.position
>= tPtr
->textLen
)
355 if (range
.count
< 1) {
356 if (range
.position
< 0)
358 tPtr
->text
[range
.position
] = 0;
359 tPtr
->textLen
= range
.position
;
361 tPtr
->cursorPosition
= 0;
362 tPtr
->viewPosition
= 0;
364 if (range
.position
+ range
.count
> tPtr
->textLen
)
365 range
.count
= tPtr
->textLen
- range
.position
;
366 memmv(&(tPtr
->text
[range
.position
]), &(tPtr
->text
[range
.position
+range
.count
]),
367 tPtr
->textLen
- (range
.position
+range
.count
) + 1);
368 tPtr
->textLen
-= range
.count
;
370 if (tPtr
->cursorPosition
> range
.position
)
371 tPtr
->cursorPosition
-= range
.count
;
376 paintTextField(tPtr
);
382 WMGetTextFieldText(WMTextField
*tPtr
)
384 CHECK_CLASS(tPtr
, WC_TextField
);
386 return wstrdup(tPtr
->text
);
391 WMSetTextFieldText(WMTextField
*tPtr
, char *text
)
393 if ((text
&& strcmp(tPtr
->text
, text
) == 0) ||
394 (!text
&& tPtr
->textLen
== 0))
401 tPtr
->textLen
= strlen(text
);
403 if (tPtr
->textLen
>= tPtr
->bufferSize
) {
404 tPtr
->bufferSize
= tPtr
->textLen
+ TEXT_BUFFER_INCR
;
405 tPtr
->text
= realloc(tPtr
->text
, tPtr
->bufferSize
);
407 strcpy(tPtr
->text
, text
);
410 if (tPtr->textLen < tPtr->cursorPosition)
411 tPtr->cursorPosition = tPtr->textLen;
413 tPtr
->cursorPosition
= tPtr
->textLen
;
414 tPtr
->viewPosition
= 0;
415 tPtr
->selection
.count
= 0;
417 if (tPtr
->view
->flags
.realized
)
418 paintTextField(tPtr
);
423 WMSetTextFieldFont(WMTextField
*tPtr
, WMFont
*font
)
425 /* TODO: update font change after field is mapped */
426 WMReleaseFont(tPtr
->font
);
427 tPtr
->font
= WMRetainFont(font
);
432 WMSetTextFieldAlignment(WMTextField
*tPtr
, WMAlignment alignment
)
434 tPtr
->flags
.alignment
= alignment
;
435 if (alignment
!=WALeft
) {
436 wwarning("only left alignment is supported in textfields");
440 if (tPtr
->view
->flags
.realized
) {
441 paintTextField(tPtr
);
447 WMSetTextFieldBordered(WMTextField
*tPtr
, Bool bordered
)
449 tPtr
->flags
.bordered
= bordered
;
451 if (tPtr
->view
->flags
.realized
) {
452 paintTextField(tPtr
);
458 WMSetTextFieldBeveled(WMTextField
*tPtr
, Bool flag
)
460 tPtr
->flags
.beveled
= flag
;
462 if (tPtr
->view
->flags
.realized
) {
463 paintTextField(tPtr
);
470 WMSetTextFieldSecure(WMTextField
*tPtr
, Bool flag
)
472 tPtr
->flags
.secure
= flag
;
474 if (tPtr
->view
->flags
.realized
) {
475 paintTextField(tPtr
);
481 WMGetTextFieldEditable(WMTextField
*tPtr
)
483 return tPtr
->flags
.enabled
;
488 WMSetTextFieldEditable(WMTextField
*tPtr
, Bool flag
)
490 tPtr
->flags
.enabled
= flag
;
492 if (tPtr
->view
->flags
.realized
) {
493 paintTextField(tPtr
);
499 WMSelectTextFieldRange(WMTextField
*tPtr
, WMRange range
)
501 if (tPtr
->flags
.enabled
) {
502 if (range
.position
< 0) {
503 range
.count
+= range
.position
;
504 range
.count
= (range
.count
< 0) ? 0 : range
.count
;
506 } else if (range
.position
> tPtr
->textLen
) {
507 range
.position
= tPtr
->textLen
;
511 if (range
.position
+ range
.count
> tPtr
->textLen
)
512 range
.count
= tPtr
->textLen
- range
.position
;
514 tPtr
->prevselection
= tPtr
->selection
; /* check if this is needed */
516 tPtr
->selection
= range
;
518 if (tPtr
->view
->flags
.realized
) {
519 paintTextField(tPtr
);
526 WMSetTextFieldCursorPosition(WMTextField
*tPtr
, unsigned int position
)
528 if (tPtr
->flags
.enabled
) {
529 if (position
> tPtr
->textLen
)
530 position
= tPtr
->textLen
;
532 tPtr
->cursorPosition
= position
;
533 if (tPtr
->view
->flags
.realized
) {
534 paintTextField(tPtr
);
541 WMSetTextFieldNextTextField(WMTextField
*tPtr
, WMTextField
*next
)
543 CHECK_CLASS(tPtr
, WC_TextField
);
545 if (tPtr
->view
->nextFocusChain
)
546 tPtr
->view
->nextFocusChain
->prevFocusChain
= NULL
;
547 tPtr
->view
->nextFocusChain
= NULL
;
551 CHECK_CLASS(next
, WC_TextField
);
553 if (tPtr
->view
->nextFocusChain
)
554 tPtr
->view
->nextFocusChain
->prevFocusChain
= NULL
;
555 if (next
->view
->prevFocusChain
)
556 next
->view
->prevFocusChain
->nextFocusChain
= NULL
;
558 tPtr
->view
->nextFocusChain
= next
->view
;
559 next
->view
->prevFocusChain
= tPtr
->view
;
564 WMSetTextFieldPrevTextField(WMTextField
*tPtr
, WMTextField
*prev
)
566 CHECK_CLASS(tPtr
, WC_TextField
);
568 if (tPtr
->view
->prevFocusChain
)
569 tPtr
->view
->prevFocusChain
->nextFocusChain
= NULL
;
570 tPtr
->view
->prevFocusChain
= NULL
;
574 CHECK_CLASS(prev
, WC_TextField
);
576 if (tPtr
->view
->prevFocusChain
)
577 tPtr
->view
->prevFocusChain
->nextFocusChain
= NULL
;
578 if (prev
->view
->nextFocusChain
)
579 prev
->view
->nextFocusChain
->prevFocusChain
= NULL
;
581 tPtr
->view
->prevFocusChain
= prev
->view
;
582 prev
->view
->nextFocusChain
= tPtr
->view
;
587 resizeTextField(WMTextField
*tPtr
, unsigned int width
, unsigned int height
)
589 W_ResizeView(tPtr
->view
, width
, height
);
592 WMAX((tPtr
->view
->size
.height
- WMFontHeight(tPtr
->font
))/2, 1);
594 tPtr
->usableWidth
= tPtr
->view
->size
.width
- 2*tPtr
->offsetWidth
+ 2;
599 makeHiddenString(int length
)
601 char *data
= wmalloc(length
+1);
603 memset(data
, '*', length
);
610 paintCursor(TextField
*tPtr
)
613 WMScreen
*screen
= tPtr
->view
->screen
;
617 if (tPtr
->flags
.secure
)
618 text
= makeHiddenString(strlen(tPtr
->text
));
622 cx
= WMWidthOfString(tPtr
->font
, &(text
[tPtr
->viewPosition
]),
623 tPtr
->cursorPosition
-tPtr
->viewPosition
);
625 switch (tPtr
->flags
.alignment
) {
627 textWidth
= WMWidthOfString(tPtr
->font
, text
, tPtr
->textLen
);
628 if (textWidth
< tPtr
->usableWidth
)
629 cx
+= tPtr
->offsetWidth
+ tPtr
->usableWidth
- textWidth
+ 1;
631 cx
+= tPtr
->offsetWidth
+ 1;
634 cx
+= tPtr
->offsetWidth
+ 1;
639 textWidth
= WMWidthOfString(tPtr
->font
, text
, tPtr
->textLen
);
640 if (textWidth
< tPtr
->usableWidth
)
641 cx
+= tPtr
->offsetWidth
+ (tPtr
->usableWidth
-textWidth
)/2;
643 cx
+= tPtr
->offsetWidth
;
647 XDrawRectangle(screen->display, tPtr->view->window, screen->xorGC,
648 cx, tPtr->offsetWidth, 1,
649 tPtr->view->size.height - 2*tPtr->offsetWidth - 1);
650 printf("%d %d\n",cx,tPtr->cursorPosition);
652 XDrawLine(screen
->display
, tPtr
->view
->window
, screen
->xorGC
,
653 cx
, tPtr
->offsetWidth
, cx
,
654 tPtr
->view
->size
.height
- tPtr
->offsetWidth
- 1);
656 if (tPtr
->flags
.secure
)
663 drawRelief(WMView
*view
, Bool beveled
)
665 WMScreen
*scr
= view
->screen
;
666 Display
*dpy
= scr
->display
;
670 int width
= view
->size
.width
;
671 int height
= view
->size
.height
;
673 dgc
= WMColorGC(scr
->darkGray
);
676 XDrawRectangle(dpy
, view
->window
, dgc
, 0, 0, width
-1, height
-1);
680 wgc
= WMColorGC(scr
->white
);
681 lgc
= WMColorGC(scr
->gray
);
684 XDrawLine(dpy
, view
->window
, dgc
, 0, 0, width
-1, 0);
685 XDrawLine(dpy
, view
->window
, dgc
, 0, 1, width
-2, 1);
687 XDrawLine(dpy
, view
->window
, dgc
, 0, 0, 0, height
-2);
688 XDrawLine(dpy
, view
->window
, dgc
, 1, 0, 1, height
-3);
691 XDrawLine(dpy
, view
->window
, wgc
, 0, height
-1, width
-1, height
-1);
692 XDrawLine(dpy
, view
->window
, lgc
, 1, height
-2, width
-2, height
-2);
694 XDrawLine(dpy
, view
->window
, wgc
, width
-1, 0, width
-1, height
-1);
695 XDrawLine(dpy
, view
->window
, lgc
, width
-2, 1, width
-2, height
-3);
700 paintTextField(TextField
*tPtr
)
702 W_Screen
*screen
= tPtr
->view
->screen
;
703 W_View
*view
= tPtr
->view
;
713 if (!view
->flags
.realized
|| !view
->flags
.mapped
)
716 if (!tPtr
->flags
.bordered
) {
722 if (tPtr
->flags
.secure
) {
723 text
= makeHiddenString(strlen(tPtr
->text
));
728 totalWidth
= tPtr
->view
->size
.width
- 2*bd
;
730 drawbuffer
= XCreatePixmap(screen
->display
, view
->window
,
731 view
->size
.width
, view
->size
.height
, screen
->depth
);
732 XFillRectangle(screen
->display
, drawbuffer
, WMColorGC(screen
->white
),
733 0,0, view
->size
.width
,view
->size
.height
);
734 /* this is quite dirty */
735 viewbuffer
.screen
= view
->screen
;
736 viewbuffer
.size
= view
->size
;
737 viewbuffer
.window
= drawbuffer
;
740 if (tPtr
->textLen
> 0) {
741 tw
= WMWidthOfString(tPtr
->font
, &(text
[tPtr
->viewPosition
]),
742 tPtr
->textLen
- tPtr
->viewPosition
);
744 th
= WMFontHeight(tPtr
->font
);
746 ty
= tPtr
->offsetWidth
;
747 switch (tPtr
->flags
.alignment
) {
749 tx
= tPtr
->offsetWidth
+ 1;
750 if (tw
< tPtr
->usableWidth
)
751 XFillRectangle(screen
->display
, drawbuffer
,
752 WMColorGC(screen
->white
),
753 bd
+tw
,bd
, totalWidth
-tw
,view
->size
.height
-2*bd
);
757 tx
= tPtr
->offsetWidth
+ (tPtr
->usableWidth
- tw
) / 2;
758 if (tw
< tPtr
->usableWidth
)
759 XClearArea(screen
->display
, view
->window
, bd
, bd
,
760 totalWidth
, view
->size
.height
-2*bd
, False
);
765 tx
= tPtr
->offsetWidth
+ tPtr
->usableWidth
- tw
- 1;
766 if (tw
< tPtr
->usableWidth
)
767 XClearArea(screen
->display
, view
->window
, bd
, bd
,
768 totalWidth
-tw
, view
->size
.height
-2*bd
, False
);
772 if (!tPtr
->flags
.enabled
)
773 WMSetColorInGC(screen
->darkGray
, screen
->textFieldGC
);
775 WMDrawImageString(screen
, drawbuffer
, screen
->textFieldGC
,
777 &(text
[tPtr
->viewPosition
]),
778 tPtr
->textLen
- tPtr
->viewPosition
);
780 if (tPtr
->selection
.count
) {
783 count
= tPtr
->selection
.count
< 0
784 ? tPtr
->selection
.position
+ tPtr
->selection
.count
785 : tPtr
->selection
.position
;
786 count2
= abs(tPtr
->selection
.count
);
787 if (count
< tPtr
->viewPosition
) {
788 count2
= abs(count2
- abs(tPtr
->viewPosition
- count
));
789 count
= tPtr
->viewPosition
;
793 rx
= tPtr
->offsetWidth
+ 1 + WMWidthOfString(tPtr
->font
,text
,count
)
794 - WMWidthOfString(tPtr
->font
,text
,tPtr
->viewPosition
);
796 XSetBackground(screen
->display
, screen
->textFieldGC
,
797 screen
->gray
->color
.pixel
);
799 WMDrawImageString(screen
, drawbuffer
, screen
->textFieldGC
,
800 tPtr
->font
, rx
, ty
, &(text
[count
]),
803 XSetBackground(screen
->display
, screen
->textFieldGC
,
804 screen
->white
->color
.pixel
);
807 if (!tPtr
->flags
.enabled
)
808 WMSetColorInGC(screen
->black
, screen
->textFieldGC
);
810 XFillRectangle(screen
->display
, drawbuffer
,
811 WMColorGC(screen
->white
),
812 bd
,bd
, totalWidth
,view
->size
.height
-2*bd
);
816 if (tPtr
->flags
.bordered
) {
817 drawRelief(&viewbuffer
, tPtr
->flags
.beveled
);
820 if (tPtr
->flags
.secure
)
822 XCopyArea(screen
->display
, drawbuffer
, view
->window
,
823 screen
->copyGC
, 0,0, view
->size
.width
,
824 view
->size
.height
,0,0);
825 XFreePixmap(screen
->display
, drawbuffer
);
828 if (tPtr
->flags
.focused
&& tPtr
->flags
.enabled
&& tPtr
->flags
.cursorOn
) {
836 blinkCursor(void *data
)
838 TextField
*tPtr
= (TextField
*)data
;
840 if (tPtr
->flags
.cursorOn
) {
841 tPtr
->timerID
= WMAddTimerHandler(CURSOR_BLINK_OFF_DELAY
, blinkCursor
,
844 tPtr
->timerID
= WMAddTimerHandler(CURSOR_BLINK_ON_DELAY
, blinkCursor
,
848 tPtr
->flags
.cursorOn
= !tPtr
->flags
.cursorOn
;
854 handleEvents(XEvent
*event
, void *data
)
856 TextField
*tPtr
= (TextField
*)data
;
858 CHECK_CLASS(data
, WC_TextField
);
861 switch (event
->type
) {
863 if (W_FocusedViewOfToplevel(W_TopLevelOfView(tPtr
->view
))!=tPtr
->view
)
865 tPtr
->flags
.focused
= 1;
867 if (!tPtr
->timerID
) {
868 tPtr
->timerID
= WMAddTimerHandler(CURSOR_BLINK_ON_DELAY
,
872 paintTextField(tPtr
);
874 NOTIFY(tPtr
, didBeginEditing
, WMTextDidBeginEditingNotification
, NULL
);
876 tPtr
->flags
.notIllegalMovement
= 0;
880 tPtr
->flags
.focused
= 0;
883 WMDeleteTimerHandler(tPtr
->timerID
);
884 tPtr
->timerID
= NULL
;
887 paintTextField(tPtr
);
888 if (!tPtr
->flags
.notIllegalMovement
) {
889 NOTIFY(tPtr
, didEndEditing
, WMTextDidEndEditingNotification
,
890 (void*)WMIllegalTextMovement
);
895 if (event
->xexpose
.count
!=0)
897 paintTextField(tPtr
);
901 destroyTextField(tPtr
);
908 handleTextFieldKeyPress(TextField
*tPtr
, XEvent
*event
)
912 int count
, refresh
= 0;
913 int control_pressed
= 0;
915 if (((XKeyEvent
*) event
)->state
& WM_EMACSKEYMASK
) {
919 count
= XLookupString(&event
->xkey
, buffer
, 63, &ksym
, NULL
);
920 buffer
[count
] = '\0';
922 if (!(event
->xkey
.state
& ShiftMask
)) {
923 if (tPtr
->selection
.count
)
925 tPtr
->prevselection
= tPtr
->selection
;
926 tPtr
->selection
.position
= tPtr
->cursorPosition
;
927 tPtr
->selection
.count
= 0;
930 /* Be careful in any case in this switch statement, never to call
931 * to more than a function that can generate text change notifications.
932 * Only one text change notification should be sent in any case.
933 * Else hazardous things can happen.
934 * Maybe we need a better solution than the function wrapper to inform
935 * functions that change text in text fields, if they need to send a
936 * change notification or not. -Dan
940 case XK_ISO_Left_Tab
:
941 if (event
->xkey
.state
& ShiftMask
) {
942 if (tPtr
->view
->prevFocusChain
) {
943 W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr
->view
),
944 tPtr
->view
->prevFocusChain
);
945 tPtr
->flags
.notIllegalMovement
= 1;
947 NOTIFY(tPtr
, didEndEditing
, WMTextDidEndEditingNotification
,
948 (void*)WMBacktabTextMovement
);
950 if (tPtr
->view
->nextFocusChain
) {
951 W_SetFocusOfTopLevel(W_TopLevelOfView(tPtr
->view
),
952 tPtr
->view
->nextFocusChain
);
953 tPtr
->flags
.notIllegalMovement
= 1;
955 NOTIFY(tPtr
, didEndEditing
, WMTextDidEndEditingNotification
,
956 (void*)WMTabTextMovement
);
961 NOTIFY(tPtr
, didEndEditing
, WMTextDidEndEditingNotification
,
962 (void*)WMReturnTextMovement
);
965 case WM_EMACSKEY_LEFT
:
966 if (!control_pressed
) {
971 if (tPtr
->cursorPosition
> 0) {
973 if (event
->xkey
.state
& ControlMask
) {
975 for (i
= tPtr
->cursorPosition
- 1; i
>= 0; i
--)
976 if (tPtr
->text
[i
] == ' ' || i
== 0) {
977 tPtr
->cursorPosition
= i
;
981 tPtr
->cursorPosition
--;
983 if (tPtr
->cursorPosition
< tPtr
->viewPosition
) {
984 tPtr
->viewPosition
= tPtr
->cursorPosition
;
992 case WM_EMACSKEY_RIGHT
:
993 if (!control_pressed
) {
998 if (tPtr
->cursorPosition
< tPtr
->textLen
) {
1000 if (event
->xkey
.state
& ControlMask
) {
1002 for (i
= tPtr
->cursorPosition
+ 1; i
<= tPtr
->textLen
; i
++)
1003 if (tPtr
->text
[i
] == ' ' || i
== tPtr
->textLen
) {
1004 tPtr
->cursorPosition
= i
;
1008 tPtr
->cursorPosition
++;
1010 while (WMWidthOfString(tPtr
->font
,
1011 &(tPtr
->text
[tPtr
->viewPosition
]),
1012 tPtr
->cursorPosition
-tPtr
->viewPosition
)
1013 > tPtr
->usableWidth
) {
1014 tPtr
->viewPosition
++;
1022 case WM_EMACSKEY_HOME
:
1023 if (!control_pressed
) {
1028 if (tPtr
->cursorPosition
> 0) {
1030 tPtr
->cursorPosition
= 0;
1031 if (tPtr
->viewPosition
> 0) {
1032 tPtr
->viewPosition
= 0;
1040 case WM_EMACSKEY_END
:
1041 if (!control_pressed
) {
1046 if (tPtr
->cursorPosition
< tPtr
->textLen
) {
1048 tPtr
->cursorPosition
= tPtr
->textLen
;
1049 tPtr
->viewPosition
= 0;
1050 while (WMWidthOfString(tPtr
->font
,
1051 &(tPtr
->text
[tPtr
->viewPosition
]),
1052 tPtr
->textLen
-tPtr
->viewPosition
)
1053 > tPtr
->usableWidth
) {
1054 tPtr
->viewPosition
++;
1062 case WM_EMACSKEY_BS
:
1063 if (!control_pressed
) {
1067 if (tPtr
->cursorPosition
> 0) {
1070 if (tPtr
->prevselection
.count
) {
1071 range
.position
= tPtr
->prevselection
.count
< 0
1072 ? tPtr
->prevselection
.position
+ tPtr
->prevselection
.count
1073 : tPtr
->prevselection
.position
;
1075 range
.count
= abs(tPtr
->prevselection
.count
);
1077 range
.position
= tPtr
->cursorPosition
- 1;
1080 WMDeleteTextFieldRange(tPtr
, range
);
1081 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1082 (void*)WMDeleteTextEvent
);
1086 case WM_EMACSKEY_DEL
:
1087 if (!control_pressed
) {
1092 if (tPtr
->cursorPosition
< tPtr
->textLen
|| tPtr
->prevselection
.count
) {
1095 if (tPtr
->prevselection
.count
) {
1096 range
.position
= tPtr
->prevselection
.count
< 0
1097 ? tPtr
->prevselection
.position
+ tPtr
->prevselection
.count
1098 : tPtr
->prevselection
.position
;
1100 range
.count
= abs(tPtr
->prevselection
.count
);
1102 range
.position
= tPtr
->cursorPosition
;
1105 WMDeleteTextFieldRange(tPtr
, range
);
1106 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1107 (void*)WMDeleteTextEvent
);
1113 if (count
> 0 && !iscntrl(buffer
[0])) {
1116 if (tPtr
->prevselection
.count
) {
1117 range
.position
= tPtr
->prevselection
.count
< 0
1118 ? tPtr
->prevselection
.position
+ tPtr
->prevselection
.count
1119 : tPtr
->prevselection
.position
;
1121 range
.count
= abs(tPtr
->prevselection
.count
);
1123 range
.position
= tPtr
->cursorPosition
;
1126 if (tPtr
->prevselection
.count
)
1127 WMDeleteTextFieldRange(tPtr
, range
);
1128 WMInsertTextFieldText(tPtr
, buffer
, tPtr
->cursorPosition
);
1129 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1130 (void*)WMInsertTextEvent
);
1136 if (event
->xkey
.state
& ShiftMask
) {
1137 if (tPtr
->selection
.count
== 0)
1138 tPtr
->selection
.position
= tPtr
->cursorPosition
;
1139 tPtr
->selection
.count
= tPtr
->cursorPosition
- tPtr
->selection
.position
;
1142 tPtr
->prevselection
.count
= 0;
1144 paintTextField(tPtr
);
1150 pointToCursorPosition(TextField
*tPtr
, int x
)
1155 if (tPtr
->flags
.bordered
)
1158 a
= tPtr
->viewPosition
;
1159 b
= tPtr
->viewPosition
+ tPtr
->textLen
;
1160 if (WMWidthOfString(tPtr
->font
, &(tPtr
->text
[tPtr
->viewPosition
]),
1161 tPtr
->textLen
- tPtr
->viewPosition
) < x
)
1162 return tPtr
->textLen
;
1164 while (a
< b
&& b
-a
>1) {
1166 tw
= WMWidthOfString(tPtr
->font
, &(tPtr
->text
[tPtr
->viewPosition
]),
1167 mid
- tPtr
->viewPosition
);
1180 handleTextFieldActionEvents(XEvent
*event
, void *data
)
1182 TextField
*tPtr
= (TextField
*)data
;
1185 CHECK_CLASS(data
, WC_TextField
);
1187 switch (event
->type
) {
1189 if (tPtr
->flags
.enabled
&& tPtr
->flags
.focused
) {
1190 handleTextFieldKeyPress(tPtr
, event
);
1191 XGrabPointer(WMScreenDisplay(W_VIEW(tPtr
)->screen
),
1192 W_VIEW(tPtr
)->window
, False
,
1193 PointerMotionMask
|ButtonPressMask
|ButtonReleaseMask
,
1194 GrabModeAsync
, GrabModeAsync
, None
,
1195 W_VIEW(tPtr
)->screen
->invisibleCursor
,
1197 tPtr
->flags
.pointerGrabbed
= 1;
1203 if (tPtr
->flags
.pointerGrabbed
) {
1204 tPtr
->flags
.pointerGrabbed
= 0;
1205 XUngrabPointer(WMScreenDisplay(W_VIEW(tPtr
)->screen
), CurrentTime
);
1208 if (tPtr
->flags
.enabled
&& (event
->xmotion
.state
& Button1Mask
)) {
1210 if (tPtr
->viewPosition
< tPtr
->textLen
&& event
->xmotion
.x
>
1211 tPtr
->usableWidth
) {
1212 if (WMWidthOfString(tPtr
->font
,
1213 &(tPtr
->text
[tPtr
->viewPosition
]),
1214 tPtr
->cursorPosition
-tPtr
->viewPosition
)
1215 > tPtr
->usableWidth
) {
1216 tPtr
->viewPosition
++;
1218 } else if (tPtr
->viewPosition
> 0 && event
->xmotion
.x
< 0) {
1220 tPtr
->viewPosition
--;
1223 if (!tPtr
->selection
.count
) {
1224 tPtr
->selection
.position
= tPtr
->cursorPosition
;
1227 tPtr
->cursorPosition
=
1228 pointToCursorPosition(tPtr
, event
->xmotion
.x
);
1230 tPtr
->selection
.count
= tPtr
->cursorPosition
- tPtr
->selection
.position
;
1233 printf("notify %d %d\n",event->xmotion.x,tPtr->usableWidth);
1237 paintTextField(tPtr
);
1241 XSetSelectionOwner(tPtr
->view
->screen
->display
,
1242 XA_PRIMARY
, tPtr
->view
->window
, CurrentTime
);
1247 if (tPtr
->flags
.pointerGrabbed
) {
1248 tPtr
->flags
.pointerGrabbed
= 0;
1249 XUngrabPointer(WMScreenDisplay(W_VIEW(tPtr
)->screen
), CurrentTime
);
1254 switch (tPtr
->flags
.alignment
) {
1257 textWidth
= WMWidthOfString(tPtr
->font
, tPtr
->text
, tPtr
->textLen
);
1258 if (tPtr
->flags
.enabled
&& !tPtr
->flags
.focused
) {
1259 WMSetFocusToWidget(tPtr
);
1260 } else if (tPtr
->flags
.focused
) {
1261 tPtr
->selection
.count
= 0;
1263 if(textWidth
< tPtr
->usableWidth
){
1264 tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1265 event
->xbutton
.x
- tPtr
->usableWidth
1268 else tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1271 tPtr->cursorPosition = pointToCursorPosition(tPtr,
1273 tPtr->cursorPosition += tPtr->usableWidth - textWidth;
1276 tPtr->cursorPosition = pointToCursorPosition(tPtr,
1279 paintTextField(tPtr
);
1283 if (tPtr
->flags
.enabled
&& !tPtr
->flags
.focused
) {
1284 WMSetFocusToWidget(tPtr
);
1285 tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1287 paintTextField(tPtr
);
1288 } else if (tPtr
->flags
.focused
) {
1289 tPtr
->cursorPosition
= pointToCursorPosition(tPtr
,
1291 tPtr
->selection
.count
= 0;
1292 paintTextField(tPtr
);
1294 if (event
->xbutton
.button
== Button2
&& tPtr
->flags
.enabled
) {
1297 text
= W_GetTextSelection(tPtr
->view
->screen
, XA_PRIMARY
);
1300 text
= W_GetTextSelection(tPtr
->view
->screen
,
1301 tPtr
->view
->screen
->clipboardAtom
);
1304 text
= W_GetTextSelection(tPtr
->view
->screen
,
1308 WMInsertTextFieldText(tPtr
, text
, tPtr
->cursorPosition
);
1310 NOTIFY(tPtr
, didChange
, WMTextDidChangeNotification
,
1311 (void*)WMInsertTextEvent
);
1319 if (tPtr
->flags
.pointerGrabbed
) {
1320 tPtr
->flags
.pointerGrabbed
= 0;
1321 XUngrabPointer(WMScreenDisplay(W_VIEW(tPtr
)->screen
), CurrentTime
);
1331 destroyTextField(TextField
*tPtr
)
1335 WMDeleteTimerHandler(tPtr
->timerID
);
1338 WMReleaseFont(tPtr
->font
);