8 typedef struct W_PopUpButton
{
19 short selectedItemIndex
;
21 short highlightedItem
;
23 WMView
*menuView
; /* override redirect popup menu */
25 WMHandlerID timer
; /* for autoscroll */
28 int scrollStartY
; /* for autoscroll */
31 unsigned int pullsDown
:1;
33 unsigned int configured
:1;
35 unsigned int insideMenu
:1;
37 unsigned int enabled
:1;
43 #define MENU_BLINK_DELAY 60000
44 #define MENU_BLINK_COUNT 2
46 #define SCROLL_DELAY 10
49 #define DEFAULT_WIDTH 60
50 #define DEFAULT_HEIGHT 20
51 #define DEFAULT_CAPTION ""
54 static void destroyPopUpButton(PopUpButton
*bPtr
);
55 static void paintPopUpButton(PopUpButton
*bPtr
);
57 static void handleEvents(XEvent
*event
, void *data
);
58 static void handleActionEvents(XEvent
*event
, void *data
);
60 static void resizeMenu(PopUpButton
*bPtr
);
64 WMCreatePopUpButton(WMWidget
*parent
)
67 W_Screen
*scr
= W_VIEW(parent
)->screen
;
70 bPtr
= wmalloc(sizeof(PopUpButton
));
71 memset(bPtr
, 0, sizeof(PopUpButton
));
73 bPtr
->widgetClass
= WC_PopUpButton
;
75 bPtr
->view
= W_CreateView(W_VIEW(parent
));
80 bPtr
->view
->self
= bPtr
;
82 WMCreateEventHandler(bPtr
->view
, ExposureMask
|StructureNotifyMask
83 |ClientMessageMask
, handleEvents
, bPtr
);
86 W_ResizeView(bPtr
->view
, DEFAULT_WIDTH
, DEFAULT_HEIGHT
);
87 bPtr
->caption
= wstrdup(DEFAULT_CAPTION
);
89 WMCreateEventHandler(bPtr
->view
, ButtonPressMask
|ButtonReleaseMask
,
90 handleActionEvents
, bPtr
);
92 bPtr
->flags
.enabled
= 1;
94 bPtr
->items
= WMCreateBag(4);
96 bPtr
->menuView
= W_CreateTopView(scr
);
97 bPtr
->menuView
->attribs
.override_redirect
= True
;
98 bPtr
->menuView
->attribFlags
|= CWOverrideRedirect
;
100 W_ResizeView(bPtr
->menuView
, bPtr
->view
->size
.width
, 1);
102 WMCreateEventHandler(bPtr
->menuView
, ButtonPressMask
|ButtonReleaseMask
103 |EnterWindowMask
|LeaveWindowMask
|ButtonMotionMask
104 |ExposureMask
, handleActionEvents
, bPtr
);
111 WMSetPopUpButtonAction(WMPopUpButton
*bPtr
, WMAction
*action
, void *clientData
)
113 CHECK_CLASS(bPtr
, WC_PopUpButton
);
115 bPtr
->action
= action
;
117 bPtr
->clientData
= clientData
;
122 WMAddPopUpButtonItem(WMPopUpButton
*bPtr
, char *title
)
126 CHECK_CLASS(bPtr
, WC_PopUpButton
);
128 item
= WMCreateMenuItem();
129 WMSetMenuItemTitle(item
, title
);
131 WMPutInBag(bPtr
->items
, item
);
133 if (bPtr
->menuView
&& bPtr
->menuView
->flags
.realized
)
141 WMInsertPopUpButtonItem(WMPopUpButton
*bPtr
, int index
, char *title
)
145 CHECK_CLASS(bPtr
, WC_PopUpButton
);
147 item
= WMCreateMenuItem();
148 WMSetMenuItemTitle(item
, title
);
150 WMInsertInBag(bPtr
->items
, index
, item
);
152 /* if there is an selected item, update it's index to match the new
154 if (index
< bPtr
->selectedItemIndex
)
155 bPtr
->selectedItemIndex
++;
157 if (bPtr
->menuView
&& bPtr
->menuView
->flags
.realized
)
165 WMRemovePopUpButtonItem(WMPopUpButton
*bPtr
, int index
)
169 CHECK_CLASS(bPtr
, WC_PopUpButton
);
171 wassertr(index
>= 0 && index
< WMGetBagItemCount(bPtr
->items
));
174 item
= WMGetFromBag(bPtr
->items
, index
);
175 WMDeleteFromBag(bPtr
->items
, index
);
177 WMDestroyMenuItem(item
);
179 if (bPtr
->selectedItemIndex
>= 0 && !bPtr
->flags
.pullsDown
) {
180 if (index
< bPtr
->selectedItemIndex
)
181 bPtr
->selectedItemIndex
--;
182 else if (index
== bPtr
->selectedItemIndex
) {
183 /* reselect first item if the removed item is the
185 bPtr
->selectedItemIndex
= 0;
186 if (bPtr
->view
->flags
.mapped
)
187 paintPopUpButton(bPtr
);
191 if (bPtr
->menuView
&& bPtr
->menuView
->flags
.realized
)
197 WMSetPopUpButtonEnabled(WMPopUpButton
*bPtr
, Bool flag
)
199 bPtr
->flags
.enabled
= flag
;
200 if (bPtr
->view
->flags
.mapped
)
201 paintPopUpButton(bPtr
);
206 WMGetPopUpButtonEnabled(WMPopUpButton
*bPtr
)
208 return bPtr
->flags
.enabled
;
213 WMSetPopUpButtonSelectedItem(WMPopUpButton
*bPtr
, int index
)
216 if (bPtr
->view
->flags
.mapped
)
217 paintPopUpButton(bPtr
);
221 bPtr
->selectedItemIndex
= index
;
223 if (bPtr
->view
->flags
.mapped
)
224 paintPopUpButton(bPtr
);
228 WMGetPopUpButtonSelectedItem(WMPopUpButton
*bPtr
)
230 if (!bPtr
->flags
.pullsDown
&& bPtr
->selectedItemIndex
< 0)
233 return bPtr
->selectedItemIndex
;
238 WMSetPopUpButtonText(WMPopUpButton
*bPtr
, char *text
)
241 wfree(bPtr
->caption
);
243 bPtr
->caption
= wstrdup(text
);
245 bPtr
->caption
= NULL
;
246 if (bPtr
->view
->flags
.realized
) {
247 if (bPtr
->flags
.pullsDown
|| bPtr
->selectedItemIndex
< 0) {
248 paintPopUpButton(bPtr
);
256 WMSetPopUpButtonItemEnabled(WMPopUpButton
*bPtr
, int index
, Bool flag
)
260 item
= WMGetFromBag(bPtr
->items
, index
);
261 wassertr(item
!= NULL
);
263 WMSetMenuItemEnabled(item
, flag
);
268 WMGetPopUpButtonItemEnabled(WMPopUpButton
*bPtr
, int index
)
272 item
= WMGetFromBag(bPtr
->items
, index
);
273 wassertrv(item
!= NULL
, False
);
275 return WMGetMenuItemEnabled(item
);
280 WMSetPopUpButtonPullsDown(WMPopUpButton
*bPtr
, Bool flag
)
282 bPtr
->flags
.pullsDown
= flag
;
284 bPtr
->selectedItemIndex
= -1;
287 if (bPtr
->view
->flags
.mapped
)
288 paintPopUpButton(bPtr
);
293 WMGetPopUpButtonNumberOfItems(WMPopUpButton
*bPtr
)
295 return WMGetBagItemCount(bPtr
->items
);
300 WMGetPopUpButtonItem(WMPopUpButton
*bPtr
, int index
)
304 if (index
>= WMGetBagItemCount(bPtr
->items
) || index
< 0)
307 item
= WMGetFromBag(bPtr
->items
, index
);
311 return WMGetMenuItemTitle(item
);
316 WMGetPopUpButtonMenuItem(WMPopUpButton
*bPtr
, int index
)
320 item
= WMGetFromBag(bPtr
->items
, index
);
328 paintPopUpButton(PopUpButton
*bPtr
)
330 W_Screen
*scr
= bPtr
->view
->screen
;
335 if (bPtr
->flags
.pullsDown
) {
336 caption
= bPtr
->caption
;
338 if (bPtr
->selectedItemIndex
< 0) {
339 /* if no item selected, show the caption */
340 caption
= bPtr
->caption
;
342 caption
= WMGetPopUpButtonItem(bPtr
, bPtr
->selectedItemIndex
);
346 pixmap
= XCreatePixmap(scr
->display
, bPtr
->view
->window
,
347 bPtr
->view
->size
.width
, bPtr
->view
->size
.height
,
349 XFillRectangle(scr
->display
, pixmap
, WMColorGC(scr
->gray
), 0, 0,
350 bPtr
->view
->size
.width
, bPtr
->view
->size
.height
);
352 W_DrawRelief(scr
, pixmap
, 0, 0, bPtr
->view
->size
.width
,
353 bPtr
->view
->size
.height
, WRRaised
);
356 W_PaintText(bPtr
->view
, pixmap
, scr
->normalFont
, 6,
357 (bPtr
->view
->size
.height
-WMFontHeight(scr
->normalFont
))/2,
358 bPtr
->view
->size
.width
, WALeft
,
359 bPtr
->flags
.enabled
? WMColorGC(scr
->black
) : WMColorGC(scr
->darkGray
),
360 False
, caption
, strlen(caption
));
363 if (bPtr
->flags
.pullsDown
) {
364 XCopyArea(scr
->display
, scr
->pullDownIndicator
->pixmap
,
365 pixmap
, scr
->copyGC
, 0, 0, scr
->pullDownIndicator
->width
,
366 scr
->pullDownIndicator
->height
,
367 bPtr
->view
->size
.width
-scr
->pullDownIndicator
->width
-4,
368 (bPtr
->view
->size
.height
-scr
->pullDownIndicator
->height
)/2);
372 x
= bPtr
->view
->size
.width
- scr
->popUpIndicator
->width
- 4;
373 y
= (bPtr
->view
->size
.height
-scr
->popUpIndicator
->height
)/2;
375 XSetClipOrigin(scr
->display
, scr
->clipGC
, x
, y
);
376 XSetClipMask(scr
->display
, scr
->clipGC
, scr
->popUpIndicator
->mask
);
377 XCopyArea(scr
->display
, scr
->popUpIndicator
->pixmap
, pixmap
,
378 scr
->clipGC
, 0, 0, scr
->popUpIndicator
->width
,
379 scr
->popUpIndicator
->height
, x
, y
);
382 XCopyArea(scr
->display
, pixmap
, bPtr
->view
->window
, scr
->copyGC
, 0, 0,
383 bPtr
->view
->size
.width
, bPtr
->view
->size
.height
, 0, 0);
385 XFreePixmap(scr
->display
, pixmap
);
391 handleEvents(XEvent
*event
, void *data
)
393 PopUpButton
*bPtr
= (PopUpButton
*)data
;
395 CHECK_CLASS(data
, WC_PopUpButton
);
398 switch (event
->type
) {
400 if (event
->xexpose
.count
!=0)
402 paintPopUpButton(bPtr
);
406 destroyPopUpButton(bPtr
);
414 paintMenuEntry(PopUpButton
*bPtr
, int index
, int highlight
)
416 W_Screen
*scr
= bPtr
->view
->screen
;
419 int width
, height
, itemHeight
;
422 itemHeight
= bPtr
->view
->size
.height
;
423 width
= bPtr
->view
->size
.width
;
424 height
= itemHeight
* WMGetBagItemCount(bPtr
->items
);
425 yo
= (itemHeight
- WMFontHeight(scr
->normalFont
))/2;
428 XClearArea(scr
->display
, bPtr
->menuView
->window
, 0, index
*itemHeight
,
429 width
, itemHeight
, False
);
431 } else if (index
< 0 && bPtr
->flags
.pullsDown
) {
435 XFillRectangle(scr
->display
, bPtr
->menuView
->window
, WMColorGC(scr
->white
),
436 1, index
*itemHeight
+1, width
-3, itemHeight
-3);
438 title
= WMGetPopUpButtonItem(bPtr
, index
);
440 W_DrawRelief(scr
, bPtr
->menuView
->window
, 0, index
*itemHeight
,
441 width
, itemHeight
, WRRaised
);
443 W_PaintText(bPtr
->menuView
, bPtr
->menuView
->window
, scr
->normalFont
, 6,
444 index
*itemHeight
+ yo
, width
, WALeft
, WMColorGC(scr
->black
),
445 False
, title
, strlen(title
));
447 if (!bPtr
->flags
.pullsDown
&& index
== bPtr
->selectedItemIndex
) {
448 XCopyArea(scr
->display
, scr
->popUpIndicator
->pixmap
,
449 bPtr
->menuView
->window
, scr
->copyGC
, 0, 0,
450 scr
->popUpIndicator
->width
, scr
->popUpIndicator
->height
,
451 width
-scr
->popUpIndicator
->width
-4,
452 i
*itemHeight
+(itemHeight
-scr
->popUpIndicator
->height
)/2);
458 makeMenuPixmap(PopUpButton
*bPtr
)
461 W_Screen
*scr
= bPtr
->view
->screen
;
464 int width
, height
, itemHeight
;
466 itemHeight
= bPtr
->view
->size
.height
;
467 width
= bPtr
->view
->size
.width
;
468 height
= itemHeight
* WMGetBagItemCount(bPtr
->items
);
469 yo
= (itemHeight
- WMFontHeight(scr
->normalFont
))/2;
471 pixmap
= XCreatePixmap(scr
->display
, bPtr
->view
->window
, width
, height
,
474 XFillRectangle(scr
->display
, pixmap
, WMColorGC(scr
->gray
), 0, 0,
477 for (i
= 0; i
< WMGetBagItemCount(bPtr
->items
); i
++) {
482 item
= (WMMenuItem
*)WMGetFromBag(bPtr
->items
, i
);
483 text
= WMGetMenuItemTitle(item
);
485 W_DrawRelief(scr
, pixmap
, 0, i
*itemHeight
, width
, itemHeight
,
488 if (!WMGetMenuItemEnabled(item
))
489 gc
= WMColorGC(scr
->darkGray
);
491 gc
= WMColorGC(scr
->black
);
493 W_PaintText(bPtr
->menuView
, pixmap
, scr
->normalFont
, 6,
494 i
*itemHeight
+ yo
, width
, WALeft
, gc
, False
,
497 if (!bPtr
->flags
.pullsDown
&& i
== bPtr
->selectedItemIndex
) {
498 XCopyArea(scr
->display
, scr
->popUpIndicator
->pixmap
, pixmap
,
499 scr
->copyGC
, 0, 0, scr
->popUpIndicator
->width
,
500 scr
->popUpIndicator
->height
,
501 width
-scr
->popUpIndicator
->width
-4,
502 i
*itemHeight
+(itemHeight
-scr
->popUpIndicator
->height
)/2);
511 resizeMenu(PopUpButton
*bPtr
)
515 height
= WMGetBagItemCount(bPtr
->items
) * bPtr
->view
->size
.height
;
517 W_ResizeView(bPtr
->menuView
, bPtr
->view
->size
.width
, height
);
522 popUpMenu(PopUpButton
*bPtr
)
524 W_Screen
*scr
= bPtr
->view
->screen
;
528 if (!bPtr
->menuView
->flags
.realized
) {
529 W_RealizeView(bPtr
->menuView
);
533 if (WMGetBagItemCount(bPtr
->items
) < 1)
536 XTranslateCoordinates(scr
->display
, bPtr
->view
->window
, scr
->rootWin
,
537 0, 0, &x
, &y
, &dummyW
);
539 if (bPtr
->flags
.pullsDown
) {
540 y
+= bPtr
->view
->size
.height
;
542 y
-= bPtr
->view
->size
.height
*bPtr
->selectedItemIndex
;
544 W_MoveView(bPtr
->menuView
, x
, y
);
546 XSetWindowBackgroundPixmap(scr
->display
, bPtr
->menuView
->window
,
547 makeMenuPixmap(bPtr
));
548 XClearWindow(scr
->display
, bPtr
->menuView
->window
);
550 W_MapView(bPtr
->menuView
);
552 bPtr
->highlightedItem
= 0;
553 if (!bPtr
->flags
.pullsDown
&& bPtr
->selectedItemIndex
< 0)
554 paintMenuEntry(bPtr
, bPtr
->selectedItemIndex
, True
);
559 popDownMenu(PopUpButton
*bPtr
)
561 W_UnmapView(bPtr
->menuView
);
563 /* free the background pixmap used to draw the menu contents */
564 XSetWindowBackgroundPixmap(bPtr
->view
->screen
->display
,
565 bPtr
->menuView
->window
, None
);
570 autoScroll(void *data
)
572 PopUpButton
*bPtr
= (PopUpButton
*)data
;
573 int scrHeight
= WMWidgetScreen(bPtr
)->rootView
->size
.height
;
578 if (bPtr
->scrollStartY
>= scrHeight
-1
579 && bPtr
->menuView
->pos
.y
+bPtr
->menuView
->size
.height
>= scrHeight
-1) {
582 if (bPtr
->menuView
->pos
.y
+bPtr
->menuView
->size
.height
-5
585 - (bPtr
->menuView
->pos
.y
+bPtr
->menuView
->size
.height
);
589 } else if (bPtr
->scrollStartY
<= 1 && bPtr
->menuView
->pos
.y
< 1) {
592 if (bPtr
->menuView
->pos
.y
+5 > 1)
593 dy
= 1 - bPtr
->menuView
->pos
.y
;
601 W_MoveView(bPtr
->menuView
, bPtr
->menuView
->pos
.x
,
602 bPtr
->menuView
->pos
.y
+ dy
);
604 oldItem
= bPtr
->highlightedItem
;
605 bPtr
->highlightedItem
= (bPtr
->scrollStartY
- bPtr
->menuView
->pos
.y
)
606 / bPtr
->view
->size
.height
;
608 if (oldItem
!=bPtr
->highlightedItem
) {
610 WMGetPopUpButtonMenuItem(bPtr
, bPtr
->highlightedItem
);
612 paintMenuEntry(bPtr
, oldItem
, False
);
614 paintMenuEntry(bPtr
, bPtr
->highlightedItem
,
615 WMGetMenuItemEnabled(item
));
618 bPtr
->timer
= WMAddTimerHandler(SCROLL_DELAY
, autoScroll
, bPtr
);
626 handleActionEvents(XEvent
*event
, void *data
)
628 PopUpButton
*bPtr
= (PopUpButton
*)data
;
630 int scrHeight
= WMWidgetScreen(bPtr
)->rootView
->size
.height
;
632 CHECK_CLASS(data
, WC_PopUpButton
);
634 if (WMGetBagItemCount(bPtr
->items
) < 1)
637 switch (event
->type
) {
638 /* called for menuView */
640 paintMenuEntry(bPtr
, bPtr
->highlightedItem
, True
);
644 bPtr
->flags
.insideMenu
= 0;
645 if (bPtr
->menuView
->flags
.mapped
)
646 paintMenuEntry(bPtr
, bPtr
->highlightedItem
, False
);
647 bPtr
->highlightedItem
= -1;
651 bPtr
->flags
.insideMenu
= 1;
655 if (bPtr
->flags
.insideMenu
) {
656 oldItem
= bPtr
->highlightedItem
;
657 bPtr
->highlightedItem
= event
->xmotion
.y
/ bPtr
->view
->size
.height
;
658 if (oldItem
!=bPtr
->highlightedItem
) {
661 item
= WMGetPopUpButtonMenuItem(bPtr
, bPtr
->highlightedItem
);
662 paintMenuEntry(bPtr
, oldItem
, False
);
663 paintMenuEntry(bPtr
, bPtr
->highlightedItem
,
664 WMGetMenuItemEnabled(item
));
667 if (event
->xmotion
.y_root
>= scrHeight
-1
668 || event
->xmotion
.y_root
<= 1) {
669 bPtr
->scrollStartY
= event
->xmotion
.y_root
;
672 } else if (bPtr
->timer
) {
673 WMDeleteTimerHandler(bPtr
->timer
);
679 /* called for bPtr->view */
681 if (!bPtr
->flags
.enabled
)
685 if (!bPtr
->flags
.pullsDown
) {
686 bPtr
->highlightedItem
= bPtr
->selectedItemIndex
;
687 bPtr
->flags
.insideMenu
= 1;
689 bPtr
->highlightedItem
= -1;
690 bPtr
->flags
.insideMenu
= 0;
692 XGrabPointer(bPtr
->view
->screen
->display
, bPtr
->menuView
->window
,
693 False
, ButtonReleaseMask
|ButtonMotionMask
|EnterWindowMask
694 |LeaveWindowMask
, GrabModeAsync
, GrabModeAsync
,
695 None
, None
, CurrentTime
);
699 XUngrabPointer(bPtr
->view
->screen
->display
, event
->xbutton
.time
);
700 if (!bPtr
->flags
.pullsDown
)
704 WMDeleteTimerHandler(bPtr
->timer
);
708 if (bPtr
->flags
.insideMenu
&& bPtr
->highlightedItem
>=0) {
711 item
= WMGetPopUpButtonMenuItem(bPtr
, bPtr
->highlightedItem
);
713 if (WMGetMenuItemEnabled(item
)) {
715 WMSetPopUpButtonSelectedItem(bPtr
, bPtr
->highlightedItem
);
717 if (bPtr
->flags
.pullsDown
) {
718 for (i
=0; i
<MENU_BLINK_COUNT
; i
++) {
719 paintMenuEntry(bPtr
, bPtr
->highlightedItem
, False
);
720 XSync(bPtr
->view
->screen
->display
, 0);
721 wusleep(MENU_BLINK_DELAY
);
722 paintMenuEntry(bPtr
, bPtr
->highlightedItem
, True
);
723 XSync(bPtr
->view
->screen
->display
, 0);
724 wusleep(MENU_BLINK_DELAY
);
727 paintMenuEntry(bPtr
, bPtr
->highlightedItem
, False
);
730 (*bPtr
->action
)(bPtr
, bPtr
->clientData
);
733 if (bPtr
->menuView
->flags
.mapped
)
742 destroyPopUpButton(PopUpButton
*bPtr
)
748 WMDeleteTimerHandler(bPtr
->timer
);
751 for (i
= 0; i
< WMGetBagItemCount(bPtr
->items
); i
++) {
752 item
= WMGetFromBag(bPtr
->items
, i
);
753 WMDestroyMenuItem(item
);
755 WMFreeBag(bPtr
->items
);
758 wfree(bPtr
->caption
);
760 /* have to destroy explicitly because the popup is a toplevel */
761 W_DestroyView(bPtr
->menuView
);