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wmaker/src/menu.c
kojima 6c8226a52f fixed lockup when multi-clicking menu
2000-03-06 21:52:43 +00:00

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/* menu.c- generic menu, used for root menu, application menus etc.
*
* Window Maker window manager
*
* Copyright (c) 1997, 1998 Alfredo K. Kojima
* Copyright (c) 1997, 1998 Dan Pascu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include "wconfig.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <ctype.h>
#include <nana.h>
#include "WindowMaker.h"
#include "wcore.h"
#include "framewin.h"
#include "menu.h"
#include "actions.h"
#include "funcs.h"
#include "stacking.h"
#include "text.h"
/****** Global Variables ******/
extern Cursor wCursor[WCUR_LAST];
extern XContext wWinContext;
extern WPreferences wPreferences;
#define MOD_MASK wPreferences.modifier_mask
#define MENU_SCROLL_STEP menuScrollParameters[(int)wPreferences.menu_scroll_speed].steps
#define MENU_SCROLL_DELAY menuScrollParameters[(int)wPreferences.menu_scroll_speed].delay
#define MENUW(m) ((m)->frame->core->width+2*FRAME_BORDER_WIDTH)
#define MENUH(m) ((m)->frame->core->height+2*FRAME_BORDER_WIDTH)
/***** Local Stuff ******/
static struct {
int steps;
int delay;
} menuScrollParameters[5] = {
{MENU_SCROLL_STEPS_UF, MENU_SCROLL_DELAY_UF},
{MENU_SCROLL_STEPS_F, MENU_SCROLL_DELAY_F},
{MENU_SCROLL_STEPS_M, MENU_SCROLL_DELAY_M},
{MENU_SCROLL_STEPS_S, MENU_SCROLL_DELAY_S},
{MENU_SCROLL_STEPS_U, MENU_SCROLL_DELAY_U}};
static void menuMouseDown(WObjDescriptor *desc, XEvent *event);
static void menuExpose(WObjDescriptor *desc, XEvent *event);
static void menuTitleDoubleClick(WCoreWindow *sender, void *data, XEvent *event);
static void menuTitleMouseDown(WCoreWindow *sender, void *data, XEvent *event);
static void menuCloseClick(WCoreWindow *sender, void *data, XEvent *event);
static void updateTexture(WMenu *menu);
#ifndef LITE
static int saveMenuRecurs(proplist_t menus, WScreen *scr, WMenu *menu);
static int restoreMenuRecurs(WScreen *scr, proplist_t menus, WMenu *menu, char *path);
#endif /* !LITE */
static void selectEntry(WMenu *menu, int entry_no);
static void closeCascade(WMenu *menu);
/****** Notification Observers ******/
static void
appearanceObserver(void *self, WMNotification *notif)
{
WMenu *menu = (WMenu*)self;
int flags = (int)WMGetNotificationClientData(notif);
if (!menu->flags.realized)
return;
if (WMGetNotificationName(notif) == WNMenuAppearanceSettingsChanged) {
if (flags & WFontSettings) {
menu->flags.realized = 0;
wMenuRealize(menu);
}
if (flags & WTextureSettings) {
if (!menu->flags.brother)
updateTexture(menu);
}
if (flags & (WTextureSettings|WColorSettings)) {
wMenuPaint(menu);
}
} else if (menu->flags.titled) {
if (flags & WFontSettings) {
menu->flags.realized = 0;
wMenuRealize(menu);
}
if (flags & WTextureSettings) {
menu->frame->flags.need_texture_remake = 1;
}
if (flags & (WColorSettings|WTextureSettings)) {
wFrameWindowPaint(menu->frame);
}
}
}
/************************************/
/*
*----------------------------------------------------------------------
* wMenuCreate--
* Creates a new empty menu with the specified title. If main_menu
* is True, the created menu will be a main menu, which has some special
* properties such as being placed over other normal menus.
* If title is NULL, the menu will have no titlebar.
*
* Returns:
* The created menu.
*----------------------------------------------------------------------
*/
WMenu*
wMenuCreate(WScreen *screen, char *title, int main_menu)
{
WMenu *menu;
static int brother=0;
int tmp, flags;
menu = wmalloc(sizeof(WMenu));
memset(menu, 0, sizeof(WMenu));
#ifdef SINGLE_MENULEVEL
tmp = WMSubmenuLevel;
#else
tmp = (main_menu ? WMMainMenuLevel : WMSubmenuLevel);
#endif
flags = WFF_SINGLE_STATE|WFF_BORDER;
if (title) {
flags |= WFF_TITLEBAR|WFF_RIGHT_BUTTON;
menu->flags.titled = 1;
}
menu->frame =
wFrameWindowCreate(screen, tmp, 8, 2, 1, 1, &wPreferences.menu_title_clearance, flags,
screen->menu_title_texture, NULL,
screen->menu_title_pixel,
#ifdef DRAWSTRING_PLUGIN
W_STRING_MTITLE,
#endif
&screen->menu_title_gc,
&screen->menu_title_font);
menu->frame->core->descriptor.parent = menu;
menu->frame->core->descriptor.parent_type = WCLASS_MENU;
menu->frame->core->descriptor.handle_mousedown = menuMouseDown;
wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
if (title) {
menu->frame->title = wstrdup(title);
}
menu->frame->flags.justification = WTJ_LEFT;
menu->frame->rbutton_image = screen->b_pixmaps[WBUT_CLOSE];
menu->entry_no = 0;
menu->alloced_entries = 0;
menu->selected_entry = -1;
menu->entries = NULL;
menu->frame_x = screen->app_menu_x;
menu->frame_y = screen->app_menu_y;
menu->frame->child = menu;
menu->flags.lowered = 0;
/* create borders */
if (title) {
/* setup object descriptors */
menu->frame->on_mousedown_titlebar = menuTitleMouseDown;
menu->frame->on_dblclick_titlebar = menuTitleDoubleClick;
}
menu->frame->on_click_right = menuCloseClick;
menu->menu = wCoreCreate(menu->frame->core, 0, menu->frame->top_width,
menu->frame->core->width, 10);
menu->menu->descriptor.parent = menu;
menu->menu->descriptor.parent_type = WCLASS_MENU;
menu->menu->descriptor.handle_expose = menuExpose;
menu->menu->descriptor.handle_mousedown = menuMouseDown;
menu->menu_texture_data = None;
XMapWindow(dpy, menu->menu->window);
XFlush(dpy);
if (!brother) {
brother = 1;
menu->brother = wMenuCreate(screen, title, main_menu);
brother = 0;
menu->brother->flags.brother = 1;
menu->brother->brother = menu;
}
WMAddNotificationObserver(appearanceObserver, menu,
WNMenuAppearanceSettingsChanged, menu);
WMAddNotificationObserver(appearanceObserver, menu,
WNMenuTitleAppearanceSettingsChanged, menu);
return menu;
}
WMenu*
wMenuCreateForApp(WScreen *screen, char *title, int main_menu)
{
WMenu *menu;
menu = wMenuCreate(screen, title, main_menu);
if (!menu)
return NULL;
menu->flags.app_menu = 1;
menu->brother->flags.app_menu = 1;
return menu;
}
static void
insertEntry(WMenu *menu, WMenuEntry *entry, int index)
{
int i;
for (i = menu->entry_no-1; i >= index; i--) {
menu->entries[i]->order++;
menu->entries[i+1] = menu->entries[i];
}
menu->entries[index] = entry;
}
WMenuEntry*
wMenuInsertCallback(WMenu *menu, int index, char *text,
void (*callback)(WMenu *menu, WMenuEntry *entry),
void *clientdata)
{
WMenuEntry *entry;
menu->flags.realized = 0;
menu->brother->flags.realized = 0;
/* reallocate array if it's too small */
if (menu->entry_no >= menu->alloced_entries) {
void *tmp;
tmp = wrealloc(menu->entries,
sizeof(WMenuEntry)*(menu->alloced_entries+5));
menu->entries = tmp;
menu->alloced_entries += 5;
menu->brother->entries = tmp;
menu->brother->alloced_entries = menu->alloced_entries;
}
entry = wmalloc(sizeof(WMenuEntry));
memset(entry, 0, sizeof(WMenuEntry));
entry->flags.enabled = 1;
entry->text = wstrdup(text);
entry->cascade = -1;
entry->clientdata = clientdata;
entry->callback = callback;
if (index<0 || index>=menu->entry_no) {
entry->order = menu->entry_no;
menu->entries[menu->entry_no] = entry;
} else {
entry->order = index;
insertEntry(menu, entry, index);
}
menu->entry_no++;
menu->brother->entry_no = menu->entry_no;
return entry;
}
void
wMenuEntrySetCascade(WMenu *menu, WMenuEntry *entry, WMenu *cascade)
{
WMenu *brother = menu->brother;
int i, done;
assert(menu->flags.brother==0);
if (entry->cascade>=0) {
menu->flags.realized = 0;
brother->flags.realized = 0;
}
cascade->parent = menu;
cascade->brother->parent = brother;
done = 0;
for (i=0; i<menu->cascade_no; i++) {
if (menu->cascades[i]==NULL) {
menu->cascades[i] = cascade;
brother->cascades[i] = cascade->brother;
done = 1;
entry->cascade = i;
break;
}
}
if (!done) {
entry->cascade = menu->cascade_no;
menu->cascades = wrealloc(menu->cascades,
sizeof(WMenu)*(menu->cascade_no+1));
menu->cascades[menu->cascade_no++] = cascade;
brother->cascades = wrealloc(brother->cascades,
sizeof(WMenu)*(brother->cascade_no+1));
brother->cascades[brother->cascade_no++] = cascade->brother;
}
if (menu->flags.lowered) {
cascade->flags.lowered = 1;
ChangeStackingLevel(cascade->frame->core, WMNormalLevel);
cascade->brother->flags.lowered = 1;
ChangeStackingLevel(cascade->brother->frame->core, WMNormalLevel);
}
if (!menu->flags.realized)
wMenuRealize(menu);
}
void
wMenuEntryRemoveCascade(WMenu *menu, WMenuEntry *entry)
{
assert(menu->flags.brother==0);
/* destroy cascade menu */
if (entry->cascade>=0 && menu->cascades
&& menu->cascades[entry->cascade]!=NULL) {
wMenuDestroy(menu->cascades[entry->cascade], True);
menu->cascades[entry->cascade] = NULL;
menu->brother->cascades[entry->cascade] = NULL;
entry->cascade = -1;
}
}
void
wMenuRemoveItem(WMenu *menu, int index)
{
int i;
if (menu->flags.brother) {
wMenuRemoveItem(menu->brother, index);
return;
}
if (index>=menu->entry_no) return;
/* destroy cascade menu */
wMenuEntryRemoveCascade(menu, menu->entries[index]);
/* destroy unshared data */
if (menu->entries[index]->text)
free(menu->entries[index]->text);
if (menu->entries[index]->rtext)
free(menu->entries[index]->rtext);
if (menu->entries[index]->free_cdata && menu->entries[index]->clientdata)
(*menu->entries[index]->free_cdata)(menu->entries[index]->clientdata);
free(menu->entries[index]);
for (i=index; i<menu->entry_no-1; i++) {
menu->entries[i+1]->order--;
menu->entries[i]=menu->entries[i+1];
}
menu->entry_no--;
menu->brother->entry_no--;
}
static Pixmap
renderTexture(WMenu *menu)
{
RImage *img;
Pixmap pix;
int i;
RColor light;
RColor dark;
RColor mid;
WScreen *scr = menu->menu->screen_ptr;
WTexture *texture = scr->menu_item_texture;
if (wPreferences.menu_style == MS_NORMAL) {
img = wTextureRenderImage(texture, menu->menu->width,
menu->entry_height, WREL_MENUENTRY);
} else {
img = wTextureRenderImage(texture, menu->menu->width,
menu->menu->height+1, WREL_MENUENTRY);
}
if (!img) {
wwarning(_("could not render texture: %s"),
RMessageForError(RErrorCode));
return None;
}
if (wPreferences.menu_style == MS_SINGLE_TEXTURE) {
light.alpha = 0;
light.red = light.green = light.blue = 80;
dark.alpha = 255;
dark.red = dark.green = dark.blue = 0;
mid.alpha = 0;
mid.red = mid.green = mid.blue = 40;
for (i = 1; i < menu->entry_no; i++) {
ROperateLine(img, RSubtractOperation, 0, i*menu->entry_height-2,
menu->menu->width-1, i*menu->entry_height-2, &mid);
RDrawLine(img, 0, i*menu->entry_height-1,
menu->menu->width-1, i*menu->entry_height-1, &dark);
ROperateLine(img, RAddOperation, 0, i*menu->entry_height,
menu->menu->width-1, i*menu->entry_height,
&light);
}
}
if (!RConvertImage(scr->rcontext, img, &pix)) {
wwarning(_("error rendering image:%s"), RMessageForError(RErrorCode));
}
RDestroyImage(img);
return pix;
}
static void
updateTexture(WMenu *menu)
{
WScreen *scr = menu->menu->screen_ptr;
/* setup background texture */
if (scr->menu_item_texture->any.type != WTEX_SOLID) {
if (!menu->flags.brother) {
FREE_PIXMAP(menu->menu_texture_data);
menu->menu_texture_data = renderTexture(menu);
XSetWindowBackgroundPixmap(dpy, menu->menu->window,
menu->menu_texture_data);
XClearWindow(dpy, menu->menu->window);
XSetWindowBackgroundPixmap(dpy, menu->brother->menu->window,
menu->menu_texture_data);
XClearWindow(dpy, menu->brother->menu->window);
}
} else {
XSetWindowBackground(dpy, menu->menu->window,
scr->menu_item_texture->any.color.pixel);
XClearWindow(dpy, menu->menu->window);
}
}
void
wMenuRealize(WMenu *menu)
{
int i;
int width, rwidth, mrwidth, mwidth;
int theight, twidth, eheight;
WScreen *scr = menu->frame->screen_ptr;
static int brother_done=0;
int flags;
if (!brother_done) {
brother_done = 1;
wMenuRealize(menu->brother);
brother_done = 0;
}
flags = WFF_SINGLE_STATE|WFF_BORDER;
if (menu->flags.titled)
flags |= WFF_TITLEBAR|WFF_RIGHT_BUTTON;
wFrameWindowUpdateBorders(menu->frame, flags);
if (menu->flags.titled) {
twidth = WMWidthOfString(scr->menu_title_font, menu->frame->title,
strlen(menu->frame->title));
theight = menu->frame->top_width;
twidth += theight + (wPreferences.new_style ? 16 : 8);
} else {
twidth = 0;
theight = 0;
}
eheight = WMFontHeight(scr->menu_entry_font) + 6 + wPreferences.menu_text_clearance * 2;
menu->entry_height = eheight;
mrwidth = 0;
mwidth = 0;
for (i=0; i<menu->entry_no; i++) {
char *text;
/* search widest text */
text = menu->entries[i]->text;
width = WMWidthOfString(scr->menu_entry_font, text, strlen(text))+10;
if (menu->entries[i]->flags.indicator) {
width += MENU_INDICATOR_SPACE;
}
if (width > mwidth)
mwidth = width;
/* search widest text on right */
text = menu->entries[i]->rtext;
if (text)
rwidth = WMWidthOfString(scr->menu_entry_font, text, strlen(text))
+ 5;
else if (menu->entries[i]->cascade>=0)
rwidth = 16;
else
rwidth = 4;
if (rwidth > mrwidth)
mrwidth = rwidth;
}
mwidth += mrwidth;
if (mwidth < twidth)
mwidth = twidth;
wCoreConfigure(menu->menu, 0, theight, mwidth, menu->entry_no*eheight -1);
wFrameWindowResize(menu->frame, mwidth, menu->entry_no*eheight-1
+ menu->frame->top_width + menu->frame->bottom_width);
updateTexture(menu);
menu->flags.realized = 1;
if (menu->flags.mapped)
wMenuPaint(menu);
if (menu->brother->flags.mapped)
wMenuPaint(menu->brother);
}
void
wMenuDestroy(WMenu *menu, int recurse)
{
int i;
WMRemoveNotificationObserver(menu);
/* remove any pending timers */
if (menu->timer)
WMDeleteTimerHandler(menu->timer);
menu->timer = NULL;
/* call destroy handler */
if (menu->on_destroy)
(*menu->on_destroy)(menu);
/* Destroy items if this menu own them. If this is the "brother" menu,
* leave them alone as it is shared by them.
*/
if (!menu->flags.brother) {
for (i=0; i<menu->entry_no; i++) {
free(menu->entries[i]->text);
if (menu->entries[i]->rtext)
free(menu->entries[i]->rtext);
#ifdef USER_MENU
if (menu->entries[i]->instances){
PLRelease(menu->entries[i]->instances);
}
#endif /* USER_MENU */
if (menu->entries[i]->free_cdata && menu->entries[i]->clientdata) {
(*menu->entries[i]->free_cdata)(menu->entries[i]->clientdata);
}
free(menu->entries[i]);
}
if (recurse) {
for (i=0; i<menu->cascade_no; i++) {
if (menu->cascades[i]) {
if (menu->cascades[i]->flags.brother)
wMenuDestroy(menu->cascades[i]->brother, recurse);
else
wMenuDestroy(menu->cascades[i], recurse);
}
}
}
if (menu->entries)
free(menu->entries);
}
FREE_PIXMAP(menu->menu_texture_data);
if (menu->cascades)
free(menu->cascades);
wCoreDestroy(menu->menu);
wFrameWindowDestroy(menu->frame);
/* destroy copy of this menu */
if (!menu->flags.brother && menu->brother)
wMenuDestroy(menu->brother, False);
free(menu);
}
#define F_NORMAL 0
#define F_TOP 1
#define F_BOTTOM 2
#define F_NONE 3
static void
drawFrame(WScreen *scr, Window win, int y, int w, int h, int type)
{
XSegment segs[2];
int i;
i = 0;
segs[i].x1 = segs[i].x2 = w-1;
segs[i].y1 = y;
segs[i].y2 = y + h - 1;
i++;
if (type != F_TOP && type != F_NONE) {
segs[i].x1 = 1;
segs[i].y1 = segs[i].y2 = y + h-2;
segs[i].x2 = w-1;
i++;
}
XDrawSegments(dpy, win, scr->menu_item_auxtexture->dim_gc, segs, i);
i = 0;
segs[i].x1 = 0;
segs[i].y1 = y;
segs[i].x2 = 0;
segs[i].y2 = y + h - 1;
i++;
if (type != F_BOTTOM && type != F_NONE) {
segs[i].x1 = 0;
segs[i].y1 = y;
segs[i].x2 = w-1;
segs[i].y2 = y;
i++;
}
XDrawSegments(dpy, win, scr->menu_item_auxtexture->light_gc, segs, i);
if (type != F_TOP && type != F_NONE)
XDrawLine(dpy, win, scr->menu_item_auxtexture->dark_gc, 0, y+h-1,
w-1, y+h-1);
}
static void
paintEntry(WMenu *menu, int index, int selected)
{
int x, y, w, h, tw;
int type;
GC light, dim, dark, textGC;
WScreen *scr=menu->frame->screen_ptr;
Window win = menu->menu->window;
WMenuEntry *entry=menu->entries[index];
if (!menu->flags.realized) return;
h = menu->entry_height;
w = menu->menu->width;
y = index * h;
light = scr->menu_item_auxtexture->light_gc;
dim = scr->menu_item_auxtexture->dim_gc;
dark = scr->menu_item_auxtexture->dark_gc;
if (wPreferences.menu_style == MS_FLAT && menu->entry_no > 1) {
if (index == 0)
type = F_TOP;
else if (index == menu->entry_no - 1)
type = F_BOTTOM;
else
type = F_NONE;
} else {
type = F_NORMAL;
}
/* paint background */
if (selected) {
XSetForeground(dpy, scr->select_menu_gc, scr->select_pixel);
XFillRectangle(dpy, win, scr->select_menu_gc, 1, y+1, w-2, h-3);
if (scr->menu_item_texture->any.type == WTEX_SOLID)
drawFrame(scr, win, y, w, h, type);
} else {
if (scr->menu_item_texture->any.type == WTEX_SOLID) {
XClearArea(dpy, win, 0, y + 1, w - 1, h - 3, False);
/* draw the frame */
drawFrame(scr, win, y, w, h, type);
} else {
XClearArea(dpy, win, 0, y, w, h, False);
}
}
if (selected) {
textGC = scr->select_menu_gc;
if (entry->flags.enabled)
XSetForeground(dpy, textGC, scr->select_text_pixel);
else
XSetForeground(dpy, textGC, scr->dtext_pixel);
} else if (!entry->flags.enabled) {
textGC = scr->disabled_menu_entry_gc;
} else {
textGC = scr->menu_entry_gc;
}
/* draw text */
x = 5;
if (entry->flags.indicator)
x += MENU_INDICATOR_SPACE + 2;
WMDrawString(scr->wmscreen, win, textGC, scr->menu_entry_font,
x, 3 + y + wPreferences.menu_text_clearance, entry->text, strlen(entry->text));
if (entry->cascade>=0) {
/* draw the cascade indicator */
XDrawLine(dpy,win,dim, w-11, y+6, w-6, y+h/2-1);
XDrawLine(dpy,win,light, w-11, y+h-8, w-6, y+h/2-1);
XDrawLine(dpy,win,dark, w-12, y+6, w-12, y+h-8);
}
/* draw indicator */
if (entry->flags.indicator && entry->flags.indicator_on) {
int iw, ih;
WPixmap *indicator;
switch (entry->flags.indicator_type) {
case MI_CHECK:
indicator = scr->menu_check_indicator;
break;
case MI_MINIWINDOW:
indicator = scr->menu_mini_indicator;
break;
case MI_HIDDEN:
indicator = scr->menu_hide_indicator;
break;
case MI_SHADED:
indicator = scr->menu_shade_indicator;
break;
case MI_DIAMOND:
default:
indicator = scr->menu_radio_indicator;
break;
}
iw = indicator->width;
ih = indicator->height;
XSetClipMask(dpy, scr->copy_gc, indicator->mask);
XSetClipOrigin(dpy, scr->copy_gc, 5, y+(h-ih)/2);
if (selected)
XSetForeground(dpy, scr->copy_gc, scr->black_pixel);
else
XSetForeground(dpy, scr->copy_gc, scr->mtext_pixel);
XFillRectangle(dpy, win, scr->copy_gc, 5, y+(h-ih)/2, iw, ih);
/*
XCopyArea(dpy, indicator->image, win, scr->copy_gc, 0, 0,
iw, ih, 5, y+(h-ih)/2);
*/
XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
}
/* draw right text */
if (entry->rtext && entry->cascade<0) {
tw = WMWidthOfString(scr->menu_entry_font, entry->rtext,
strlen(entry->rtext));
WMDrawString(scr->wmscreen, win, textGC, scr->menu_entry_font, w-6-tw,
y + 3 + wPreferences.menu_text_clearance, entry->rtext, strlen(entry->rtext));
}
}
static void
move_menus(WMenu *menu, int x, int y)
{
while (menu->parent) {
menu = menu->parent;
x -= MENUW(menu);
if (!wPreferences.align_menus && menu->selected_entry>=0) {
y -= menu->selected_entry*menu->entry_height;
}
}
wMenuMove(menu, x, y, True);
}
static void
makeVisible(WMenu *menu)
{
WScreen *scr = menu->frame->screen_ptr;
int x1, y1, x2, y2, new_x, new_y, move;
if (menu->entry_no<0) return;
x1 = menu->frame_x;
y1 = menu->frame_y+menu->frame->top_width
+ menu->selected_entry*menu->entry_height;
x2 = x1 + MENUW(menu);
y2 = y1 + menu->entry_height;
new_x = x1;
new_y = y1;
move = 0;
if (x1 < 0) {
new_x = 0;
move = 1;
} else if (x2 >= scr->scr_width) {
new_x = scr->scr_width - MENUW(menu) - 1;
move = 1;
}
if (y1 < 0) {
new_y = 0;
move = 1;
} else if (y2 >= scr->scr_height) {
new_y = scr->scr_height - menu->entry_height - 1;
move = 1;
}
new_y = new_y - menu->frame->top_width
- menu->selected_entry*menu->entry_height;
move_menus(menu, new_x, new_y);
}
static int
check_key(WMenu *menu, XKeyEvent *event)
{
int i, ch, s;
char buffer[32];
if (XLookupString(event, buffer, 32, NULL, NULL)<1)
return -1;
ch = toupper(buffer[0]);
s = (menu->selected_entry>=0 ? menu->selected_entry+1 : 0);
again:
for (i=s; i<menu->entry_no; i++) {
if (ch==toupper(menu->entries[i]->text[0])) {
return i;
}
}
/* no match. Retry from start, if previous started from a selected entry */
if (s!=0) {
s = 0;
goto again;
}
return -1;
}
static int
keyboardMenu(WMenu *menu)
{
XEvent event;
KeySym ksym=NoSymbol;
int done=0;
int index;
WMenuEntry *entry;
int old_pos_x = menu->frame_x;
int old_pos_y = menu->frame_y;
int new_x = old_pos_x, new_y = old_pos_y;
int scr_width = menu->frame->screen_ptr->scr_width;
int scr_height = menu->frame->screen_ptr->scr_height;
if (menu->flags.editing)
return False;
XGrabKeyboard(dpy, menu->frame->core->window, True, GrabModeAsync,
GrabModeAsync, CurrentTime);
if (menu->frame_y+menu->frame->top_width >= scr_height)
new_y = scr_height - menu->frame->top_width;
if (menu->frame_x+MENUW(menu) >= scr_width)
new_x = scr_width-MENUW(menu)-1;
move_menus(menu, new_x, new_y);
while (!done && menu->flags.mapped) {
XAllowEvents(dpy, AsyncKeyboard, CurrentTime);
WMMaskEvent(dpy, ExposureMask|ButtonMotionMask|ButtonPressMask
|ButtonReleaseMask|KeyPressMask|KeyReleaseMask
|SubstructureNotifyMask, &event);
switch (event.type) {
case KeyPress:
ksym = XLookupKeysym(&event.xkey, 0);
switch (ksym) {
case XK_Escape:
done = 1;
break;
case XK_Home:
case XK_KP_Home:
selectEntry(menu, 0);
makeVisible(menu);
break;
case XK_End:
case XK_KP_End:
selectEntry(menu, menu->entry_no-1);
makeVisible(menu);
break;
case XK_Up:
#ifdef ARROWLESS_KBD
case XK_k:
#endif
case XK_KP_Up:
if (menu->selected_entry <= 0)
selectEntry(menu, menu->entry_no-1);
else
selectEntry(menu, menu->selected_entry-1);
makeVisible(menu);
break;
case XK_Down:
#ifdef ARROWLESS_KBD
case XK_j:
#endif
case XK_KP_Down:
if (menu->selected_entry<0)
selectEntry(menu, 0);
else if (menu->selected_entry == menu->entry_no-1)
selectEntry(menu, 0);
else if (menu->selected_entry < menu->entry_no-1)
selectEntry(menu, menu->selected_entry+1);
makeVisible(menu);
break;
case XK_Right:
#ifdef ARROWLESS_KBD
case XK_l:
#endif
case XK_KP_Right:
if (menu->selected_entry>=0) {
WMenuEntry *entry;
entry = menu->entries[menu->selected_entry];
if (entry->cascade >= 0 && menu->cascades
&& menu->cascades[entry->cascade]->entry_no > 0) {
XUngrabKeyboard(dpy, CurrentTime);
selectEntry(menu->cascades[entry->cascade], 0);
if (!keyboardMenu(menu->cascades[entry->cascade]))
done = 1;
XGrabKeyboard(dpy, menu->frame->core->window, True,
GrabModeAsync, GrabModeAsync,
CurrentTime);
}
}
break;
case XK_Left:
#ifdef ARROWLESS_KBD
case XK_h:
#endif
case XK_KP_Left:
if (menu->parent!=NULL && menu->parent->selected_entry>=0) {
selectEntry(menu, -1);
move_menus(menu, old_pos_x, old_pos_y);
return True;
}
break;
case XK_Return:
done = 2;
break;
default:
index = check_key(menu, &event.xkey);
if (index>=0) {
selectEntry(menu, index);
}
}
break;
default:
if (event.type==ButtonPress)
done = 1;
WMHandleEvent(&event);
}
}
XUngrabKeyboard(dpy, CurrentTime);
if (done==2 && menu->selected_entry>=0) {
entry = menu->entries[menu->selected_entry];
} else {
entry = NULL;
}
if (entry && entry->callback!=NULL && entry->flags.enabled
&& entry->cascade < 0) {
#if (MENU_BLINK_COUNT > 0)
int sel = menu->selected_entry;
int i;
for (i=0; i<MENU_BLINK_COUNT; i++) {
paintEntry(menu, sel, False);
XSync(dpy, 0);
wusleep(MENU_BLINK_DELAY);
paintEntry(menu, sel, True);
XSync(dpy, 0);
wusleep(MENU_BLINK_DELAY);
}
#endif
selectEntry(menu, -1);
if (!menu->flags.buttoned) {
wMenuUnmap(menu);
move_menus(menu, old_pos_x, old_pos_y);
}
closeCascade(menu);
(*entry->callback)(menu, entry);
} else {
if (!menu->flags.buttoned) {
wMenuUnmap(menu);
move_menus(menu, old_pos_x, old_pos_y);
}
selectEntry(menu, -1);
}
/* returns True if returning from a submenu to a parent menu,
* False if exiting from menu */
return False;
}
void
wMenuMapAt(WMenu *menu, int x, int y, int keyboard)
{
int scr_width = menu->frame->screen_ptr->scr_width;
int scr_height = menu->frame->screen_ptr->scr_height;
if (!menu->flags.realized) {
menu->flags.realized=1;
wMenuRealize(menu);
}
if (!menu->flags.mapped) {
if (wPreferences.wrap_menus) {
if (x<0) x = 0;
if (y<0) y = 0;
if (x+MENUW(menu) > scr_width)
x = scr_width - MENUW(menu);
if (y+MENUH(menu) > scr_height)
y = scr_height - MENUH(menu);
}
XMoveWindow(dpy, menu->frame->core->window, x, y);
menu->frame_x = x;
menu->frame_y = y;
XMapWindow(dpy, menu->frame->core->window);
wRaiseFrame(menu->frame->core);
menu->flags.mapped = 1;
} else {
selectEntry(menu, 0);
}
if (keyboard)
keyboardMenu(menu);
}
void
wMenuMap(WMenu *menu)
{
if (!menu->flags.realized) {
menu->flags.realized=1;
wMenuRealize(menu);
}
if (menu->flags.app_menu && menu->parent==NULL) {
menu->frame_x = menu->frame->screen_ptr->app_menu_x;
menu->frame_y = menu->frame->screen_ptr->app_menu_y;
XMoveWindow(dpy, menu->frame->core->window, menu->frame_x, menu->frame_y);
}
XMapWindow(dpy, menu->frame->core->window);
wRaiseFrame(menu->frame->core);
menu->flags.mapped = 1;
}
void
wMenuUnmap(WMenu *menu)
{
int i;
XUnmapWindow(dpy, menu->frame->core->window);
if (menu->flags.titled && menu->flags.buttoned) {
wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
}
menu->flags.buttoned = 0;
menu->flags.mapped = 0;
menu->flags.open_to_left = 0;
for (i=0; i<menu->cascade_no; i++) {
if (menu->cascades[i]!=NULL
&& menu->cascades[i]->flags.mapped
&& !menu->cascades[i]->flags.buttoned) {
wMenuUnmap(menu->cascades[i]);
}
}
menu->selected_entry = -1;
}
void
wMenuPaint(WMenu *menu)
{
int i;
if (!menu->flags.mapped) {
return;
}
/* paint entries */
for (i=0; i<menu->entry_no; i++) {
paintEntry(menu, i, i==menu->selected_entry);
}
}
void
wMenuSetEnabled(WMenu *menu, int index, int enable)
{
if (index>=menu->entry_no) return;
menu->entries[index]->flags.enabled=enable;
paintEntry(menu, index, index==menu->selected_entry);
paintEntry(menu->brother, index, index==menu->selected_entry);
}
/* ====================================================================== */
static void
editEntry(WMenu *menu, WMenuEntry *entry)
{
WTextInput *text;
XEvent event;
WObjDescriptor *desc;
char *t;
int done = 0;
Window old_focus;
int old_revert;
menu->flags.editing = 1;
text = wTextCreate(menu->menu, 1, menu->entry_height * entry->order,
menu->menu->width - 2, menu->entry_height - 1);
wTextPutText(text, entry->text);
XGetInputFocus(dpy, &old_focus, &old_revert);
XSetInputFocus(dpy, text->core->window, RevertToNone, CurrentTime);
if (XGrabKeyboard(dpy, text->core->window, True, GrabModeAsync,
GrabModeAsync, CurrentTime)!=GrabSuccess) {
wwarning("could not grab keyboard");
wTextDestroy(text);
wSetFocusTo(menu->frame->screen_ptr,
menu->frame->screen_ptr->focused_window);
return;
}
while (!done && !text->done) {
XSync(dpy, 0);
XAllowEvents(dpy, AsyncKeyboard|AsyncPointer, CurrentTime);
XSync(dpy, 0);
WMNextEvent(dpy, &event);
if (XFindContext(dpy, event.xany.window, wWinContext,
(XPointer *)&desc)==XCNOENT)
desc = NULL;
if ((desc != NULL) && (desc->handle_anything != NULL)) {
(*desc->handle_anything)(desc, &event);
} else {
switch (event.type) {
case ButtonPress:
XAllowEvents(dpy, ReplayPointer, CurrentTime);
done = 1;
default:
WMHandleEvent(&event);
break;
}
}
}
XSetInputFocus(dpy, old_focus, old_revert, CurrentTime);
wSetFocusTo(menu->frame->screen_ptr,
menu->frame->screen_ptr->focused_window);
t = wTextGetText(text);
/* if !t, the user has canceled editing */
if (t) {
if (entry->text)
free(entry->text);
entry->text = wstrdup(t);
menu->flags.realized = 0;
}
wTextDestroy(text);
XUngrabKeyboard(dpy, CurrentTime);
if (t && menu->on_edit)
(*menu->on_edit)(menu, entry);
menu->flags.editing = 0;
if (!menu->flags.realized)
wMenuRealize(menu);
}
static void
selectEntry(WMenu *menu, int entry_no)
{
WMenuEntry *entry;
WMenu *submenu;
int old_entry;
if (menu->entries==NULL)
return;
if (entry_no >= menu->entry_no)
return;
old_entry = menu->selected_entry;
menu->selected_entry = entry_no;
if (old_entry!=entry_no) {
/* unselect previous entry */
if (old_entry>=0) {
paintEntry(menu, old_entry, False);
entry = menu->entries[old_entry];
/* unmap cascade */
if (entry->cascade>=0 && menu->cascades) {
if (!menu->cascades[entry->cascade]->flags.buttoned) {
wMenuUnmap(menu->cascades[entry->cascade]);
}
}
}
if (entry_no<0) {
menu->selected_entry = -1;
return;
}
entry = menu->entries[entry_no];
if (entry->cascade>=0 && menu->cascades && entry->flags.enabled) {
/* Callback for when the submenu is opened.
*/
submenu = menu->cascades[entry->cascade];
if (submenu && submenu->flags.brother)
submenu = submenu->brother;
if (entry->callback) {
/* Only call the callback if the submenu is not yet mapped.
*/
if (menu->flags.brother) {
if (!submenu || !submenu->flags.mapped)
(*entry->callback)(menu->brother, entry);
} else {
if (!submenu || !submenu->flags.buttoned)
(*entry->callback)(menu, entry);
}
}
/* the submenu menu might have changed */
submenu = menu->cascades[entry->cascade];
/* map cascade */
if (!submenu->flags.mapped) {
int x, y;
if (!submenu->flags.realized)
wMenuRealize(submenu);
if (wPreferences.wrap_menus) {
if (menu->flags.open_to_left)
submenu->flags.open_to_left = 1;
if (submenu->flags.open_to_left) {
x = menu->frame_x - MENUW(submenu);
if (x<0) {
x = 0;
submenu->flags.open_to_left = 0;
}
} else {
x = menu->frame_x + MENUW(menu);
if (x + MENUW(submenu)
>= menu->frame->screen_ptr->scr_width) {
x = menu->frame_x - MENUW(submenu);
submenu->flags.open_to_left = 1;
}
}
} else {
x = menu->frame_x + MENUW(menu);
}
if (wPreferences.align_menus) {
y = menu->frame_y;
} else {
y = menu->frame_y + menu->entry_height*entry_no;
if (menu->flags.titled)
y += menu->frame->top_width;
if (menu->cascades[entry->cascade]->flags.titled)
y -= menu->cascades[entry->cascade]->frame->top_width;
}
wMenuMapAt(menu->cascades[entry->cascade], x, y, False);
menu->cascades[entry->cascade]->parent = menu;
} else {
return;
}
}
paintEntry(menu, entry_no, True);
}
}
static WMenu*
findMenu(WScreen *scr, int *x_ret, int *y_ret)
{
WMenu *menu;
WObjDescriptor *desc;
Window root_ret, win, junk_win;
int x, y, wx, wy;
unsigned int mask;
XQueryPointer(dpy, scr->root_win, &root_ret, &win, &x, &y, &wx, &wy,
&mask);
if (win==None) return NULL;
if (XFindContext(dpy, win, wWinContext, (XPointer *)&desc)==XCNOENT)
return NULL;
if (desc->parent_type == WCLASS_MENU) {
menu = (WMenu*)desc->parent;
XTranslateCoordinates(dpy, root_ret, menu->menu->window, wx, wy,
x_ret, y_ret, &junk_win);
return menu;
}
return NULL;
}
static void
closeCascade(WMenu *menu)
{
WMenu *parent=menu->parent;
if (menu->flags.brother
|| (!menu->flags.buttoned
&& (!menu->flags.app_menu||menu->parent!=NULL))) {
selectEntry(menu, -1);
XSync(dpy, 0);
#if (MENU_BLINK_DELAY > 2)
wusleep(MENU_BLINK_DELAY/2);
#endif
wMenuUnmap(menu);
while (parent!=NULL
&& (parent->parent!=NULL || !parent->flags.app_menu
|| parent->flags.brother)
&& !parent->flags.buttoned) {
selectEntry(parent, -1);
wMenuUnmap(parent);
parent = parent->parent;
}
if (parent)
selectEntry(parent, -1);
}
}
static void
closeBrotherCascadesOf(WMenu *menu)
{
WMenu *tmp;
int i;
for (i=0; i<menu->cascade_no; i++) {
if (menu->cascades[i]->flags.brother) {
tmp = menu->cascades[i];
} else {
tmp = menu->cascades[i]->brother;
}
if (tmp->flags.mapped) {
selectEntry(tmp->parent, -1);
closeBrotherCascadesOf(tmp);
break;
}
}
}
#define getEntryAt(menu, x, y) ((y)<0 ? -1 : (y)/(menu->entry_height))
static WMenu*
parentMenu(WMenu *menu)
{
WMenu *parent;
WMenuEntry *entry;
if (menu->flags.buttoned)
return menu;
while (menu->parent && menu->parent->flags.mapped) {
parent = menu->parent;
if (parent->selected_entry < 0)
break;
entry = parent->entries[parent->selected_entry];
if (!entry->flags.enabled || entry->cascade<0 || !parent->cascades ||
parent->cascades[entry->cascade] != menu)
break;
menu = parent;
if (menu->flags.buttoned)
break;
}
return menu;
}
/*
* Will raise the passed menu, if submenu = 0
* If submenu > 0 will also raise all mapped submenus
* until the first buttoned one
* If submenu < 0 will also raise all mapped parent menus
* until the first buttoned one
*/
static void
raiseMenus(WMenu *menu, int submenus)
{
WMenu *submenu;
int i;
if(!menu) return;
wRaiseFrame(menu->frame->core);
if (submenus>0 && menu->selected_entry>=0) {
i = menu->entries[menu->selected_entry]->cascade;
if (i>=0 && menu->cascades) {
submenu = menu->cascades[i];
if (submenu->flags.mapped && !submenu->flags.buttoned)
raiseMenus(submenu, submenus);
}
}
if (submenus<0 && !menu->flags.buttoned &&
menu->parent && menu->parent->flags.mapped)
raiseMenus(menu->parent, submenus);
}
WMenu*
wMenuUnderPointer(WScreen *screen)
{
WObjDescriptor *desc;
Window root_ret, win;
int dummy;
unsigned int mask;
XQueryPointer(dpy, screen->root_win, &root_ret, &win, &dummy, &dummy,
&dummy, &dummy, &mask);
if (win==None) return NULL;
if (XFindContext(dpy, win, wWinContext, (XPointer *)&desc)==XCNOENT)
return NULL;
if (desc->parent_type == WCLASS_MENU)
return (WMenu *)desc->parent;
return NULL;
}
#define MIN(a,b) (((a) > (b)) ? (b) : (a))
static void
getPointerPosition(WScreen *scr, int *x, int *y)
{
Window root_ret, win;
int wx, wy;
unsigned int mask;
XQueryPointer(dpy, scr->root_win, &root_ret, &win, x, y, &wx, &wy, &mask);
}
static void
getScrollAmount(WMenu *menu, int *hamount, int *vamount)
{
WScreen *scr = menu->menu->screen_ptr;
int menuX1 = menu->frame_x;
int menuY1 = menu->frame_y;
int menuX2 = menu->frame_x + MENUW(menu);
int menuY2 = menu->frame_y + MENUH(menu);
int screenW = scr->scr_width;
int screenH = scr->scr_height;
int xroot, yroot;
*hamount = 0;
*vamount = 0;
getPointerPosition(scr, &xroot, &yroot);
#ifdef VIRTUAL_DESKTOP
if (wPreferences.vedge_thickness) {
if (xroot <= wPreferences.vedge_thickness + 1 && menuX1 < wPreferences.vedge_thickness) {
/* scroll to the right */
*hamount = MIN(MENU_SCROLL_STEP, abs(menuX1));
} else if (xroot >= screenW-2-wPreferences.vedge_thickness && menuX2 > screenW-1-wPreferences.vedge_thickness) {
/* scroll to the left */
*hamount = MIN(MENU_SCROLL_STEP, abs(menuX2-screenW-1));
if (*hamount==0)
*hamount = 1;
*hamount = -*hamount;
}
} else
#endif
if (xroot <= 1 && menuX1 < 0) {
/* scroll to the right */
*hamount = MIN(MENU_SCROLL_STEP, abs(menuX1));
} else if (xroot >= screenW-2 && menuX2 > screenW-1) {
/* scroll to the left */
*hamount = MIN(MENU_SCROLL_STEP, abs(menuX2-screenW-1));
if (*hamount==0)
*hamount = 1;
*hamount = -*hamount;
}
if (yroot <= 1 && menuY1 < 0) {
/* scroll down */
*vamount = MIN(MENU_SCROLL_STEP, abs(menuY1));
} else if (yroot >= screenH-2 && menuY2 > screenH-1) {
/* scroll up */
*vamount = MIN(MENU_SCROLL_STEP, abs(menuY2-screenH-2));
*vamount = -*vamount;
}
}
static void
dragScrollMenuCallback(void *data)
{
WMenu *menu = (WMenu*)data;
WScreen *scr = menu->menu->screen_ptr;
WMenu *parent = parentMenu(menu);
int hamount, vamount;
int x, y;
int newSelectedEntry;
getScrollAmount(menu, &hamount, &vamount);
if (hamount != 0 || vamount != 0) {
wMenuMove(parent, parent->frame_x + hamount,
parent->frame_y + vamount, True);
if (findMenu(scr, &x, &y)) {
newSelectedEntry = getEntryAt(menu, x, y);
selectEntry(menu, newSelectedEntry);
} else {
/* Pointer fell outside of menu. If the selected entry is
* not a submenu, unselect it */
if (menu->selected_entry >= 0
&& menu->entries[menu->selected_entry]->cascade<0)
selectEntry(menu, -1);
newSelectedEntry = 0;
}
/* paranoid check */
if (newSelectedEntry >= 0) {
/* keep scrolling */
menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY,
dragScrollMenuCallback, menu);
} else {
menu->timer = NULL;
}
} else {
/* don't need to scroll anymore */
menu->timer = NULL;
if (findMenu(scr, &x, &y)) {
newSelectedEntry = getEntryAt(menu, x, y);
selectEntry(menu, newSelectedEntry);
}
}
}
static void
scrollMenuCallback(void *data)
{
WMenu *menu = (WMenu*)data;
WMenu *parent = parentMenu(menu);
int hamount = 0; /* amount to scroll */
int vamount = 0;
getScrollAmount(menu, &hamount, &vamount);
if (hamount != 0 || vamount != 0) {
wMenuMove(parent, parent->frame_x + hamount,
parent->frame_y + vamount, True);
/* keep scrolling */
menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY,
scrollMenuCallback, menu);
} else {
/* don't need to scroll anymore */
menu->timer = NULL;
}
}
#define MENU_SCROLL_BORDER 5
static int
isPointNearBoder(WMenu *menu, int x, int y)
{
int menuX1 = menu->frame_x;
int menuY1 = menu->frame_y;
int menuX2 = menu->frame_x + MENUW(menu);
int menuY2 = menu->frame_y + MENUH(menu);
int scrXe = menu->menu->screen_ptr->scr_width-1;
int scrYe = menu->menu->screen_ptr->scr_height-1;
int flag = 0;
if (x >= menuX1 && x <= menuX2 && (y < MENU_SCROLL_BORDER
|| y > scrYe-MENU_SCROLL_BORDER))
flag = 1;
else if (y >= menuY1 && y <= menuY2 && (x < MENU_SCROLL_BORDER
|| x > scrXe-MENU_SCROLL_BORDER))
flag = 1;
return flag;
}
typedef struct _delay {
WWindow *wwin;
WMenu *menu;
int ox,oy;
} _delay;
static void
_leaving(_delay *dl)
{
wMenuMove(dl->menu, dl->ox, dl->oy, True);
dl->menu->jump_back=NULL;
dl->menu->menu->screen_ptr->flags.jump_back_pending = 0;
free(dl);
}
void
wMenuScroll(WMenu *menu, XEvent *event)
{
WMenu *smenu;
WMenu *omenu = parentMenu(menu);
WScreen *scr = menu->frame->screen_ptr;
int done = 0;
int jump_back = 0;
int old_frame_x = omenu->frame_x;
int old_frame_y = omenu->frame_y;
XEvent ev;
if (omenu->jump_back)
WMDeleteTimerWithClientData(omenu->jump_back);
if ((/*omenu->flags.buttoned &&*/ !wPreferences.wrap_menus)
|| omenu->flags.app_menu) {
jump_back = 1;
}
if (!wPreferences.wrap_menus)
raiseMenus(omenu, True);
else
raiseMenus(menu, False);
if (!menu->timer)
scrollMenuCallback(menu);
while(!done) {
int x, y, on_border, on_x_edge, on_y_edge, on_title;
WMNextEvent(dpy, &ev);
switch (ev.type) {
case EnterNotify:
WMHandleEvent(&ev);
case MotionNotify:
x = (ev.type==MotionNotify) ? ev.xmotion.x_root : ev.xcrossing.x_root;
y = (ev.type==MotionNotify) ? ev.xmotion.y_root : ev.xcrossing.y_root;
/* on_border is != 0 if the pointer is between the menu
* and the screen border and is close enough to the border */
on_border = isPointNearBoder(menu, x, y);
smenu = wMenuUnderPointer(scr);
if ((smenu==NULL && !on_border) || (smenu && parentMenu(smenu)!=omenu)) {
done = 1;
break;
}
on_x_edge = x <= 1 || x >= scr->scr_width - 2;
on_y_edge = y <= 1 || y >= scr->scr_height - 2;
on_border = on_x_edge || on_y_edge;
if (!on_border && !jump_back) {
done = 1;
break;
}
if (menu->timer && (smenu!=menu || (!on_y_edge && !on_x_edge))) {
WMDeleteTimerHandler(menu->timer);
menu->timer = NULL;
}
if (smenu != NULL)
menu = smenu;
if (!menu->timer)
scrollMenuCallback(menu);
break;
case ButtonPress:
/* True if we push on title, or drag the omenu to other position */
on_title = ev.xbutton.x_root >= omenu->frame_x &&
ev.xbutton.x_root <= omenu->frame_x + MENUW(omenu) &&
ev.xbutton.y_root >= omenu->frame_y &&
ev.xbutton.y_root <= omenu->frame_y + omenu->frame->top_width;
WMHandleEvent(&ev);
smenu = wMenuUnderPointer(scr);
if (smenu == NULL || (smenu && smenu->flags.buttoned && smenu != omenu))
done = 1;
else if (smenu==omenu && on_title) {
jump_back = 0;
done = 1;
}
break;
case KeyPress:
done = 1;
default:
WMHandleEvent(&ev);
break;
}
}
if (menu->timer) {
WMDeleteTimerHandler(menu->timer);
menu->timer = NULL;
}
if (jump_back) {
_delay *delayer;
if (!omenu->jump_back) {
delayer=wmalloc(sizeof(_delay));
delayer->menu=omenu;
delayer->ox=old_frame_x;
delayer->oy=old_frame_y;
omenu->jump_back=delayer;
scr->flags.jump_back_pending = 1;
}
else delayer = omenu->jump_back;
WMAddTimerHandler(MENU_JUMP_BACK_DELAY,(WMCallback*)_leaving, delayer);
}
}
static void
menuExpose(WObjDescriptor *desc, XEvent *event)
{
wMenuPaint(desc->parent);
}
typedef struct {
int *delayed_select;
WMenu *menu;
WMHandlerID magic;
} delay_data;
static void
delaySelection(void *data)
{
delay_data *d = (delay_data*)data;
int x, y, entry_no;
WMenu *menu;
d->magic = NULL;
menu = findMenu(d->menu->menu->screen_ptr, &x, &y);
if (menu && (d->menu == menu || d->delayed_select)) {
entry_no = getEntryAt(menu, x, y);
selectEntry(menu, entry_no);
}
if (d->delayed_select)
*(d->delayed_select) = 0;
}
static void
menuMouseDown(WObjDescriptor *desc, XEvent *event)
{
XButtonEvent *bev = &event->xbutton;
WMenu *menu = desc->parent;
WMenu *smenu;
WScreen *scr=menu->frame->screen_ptr;
WMenuEntry *entry=NULL;
XEvent ev;
int close_on_exit=0;
int done=0;
int delayed_select = 0;
int entry_no;
int x, y;
int prevx, prevy;
int old_frame_x = 0;
int old_frame_y = 0;
delay_data d_data = {NULL, NULL, NULL};
if (!wPreferences.wrap_menus) {
smenu = parentMenu(menu);
old_frame_x = smenu->frame_x;
old_frame_y = smenu->frame_y;
} else if (event->xbutton.window == menu->frame->core->window) {
/* This is true if the menu was launched with right click on root window */
delayed_select = 1;
d_data.delayed_select = &delayed_select;
d_data.menu = menu;
d_data.magic = WMAddTimerHandler(wPreferences.dblclick_time,
delaySelection, &d_data);
}
if (menu->flags.inside_handler) {
return;
}
menu->flags.inside_handler = 1;
wRaiseFrame(menu->frame->core);
close_on_exit = (bev->send_event || menu->flags.brother);
smenu = findMenu(scr, &x, &y);
if (!smenu) {
x = -1;
y = -1;
} else {
menu = smenu;
}
if (menu->flags.editing) {
goto byebye;
}
entry_no = getEntryAt(menu, x, y);
if (entry_no>=0) {
entry = menu->entries[entry_no];
if (!close_on_exit && (bev->state & ControlMask) && smenu
&& entry->flags.editable) {
editEntry(smenu, entry);
goto byebye;
} else if (bev->state & ControlMask) {
goto byebye;
}
if (entry->flags.enabled && entry->cascade>=0 && menu->cascades) {
WMenu *submenu = menu->cascades[entry->cascade];
/* map cascade */
if (submenu->flags.mapped && !submenu->flags.buttoned &&
menu->selected_entry!=entry_no) {
wMenuUnmap(submenu);
}
if (!submenu->flags.mapped && !delayed_select) {
selectEntry(menu, entry_no);
} else if (!submenu->flags.buttoned) {
selectEntry(menu, -1);
}
} else if (!delayed_select) {
selectEntry(menu, entry_no);
}
if (!wPreferences.wrap_menus && !wPreferences.scrollable_menus) {
if (!menu->timer)
dragScrollMenuCallback(menu);
}
}
prevx = bev->x_root;
prevy = bev->y_root;
while (!done) {
int x, y;
XAllowEvents(dpy, AsyncPointer|SyncPointer, CurrentTime);
WMMaskEvent(dpy, ExposureMask|ButtonMotionMask|ButtonReleaseMask
|ButtonPressMask, &ev);
switch (ev.type) {
case MotionNotify:
smenu = findMenu(scr, &x, &y);
if (smenu == NULL) {
/* moved mouse out of menu */
if (!delayed_select && d_data.magic) {
WMDeleteTimerHandler(d_data.magic);
d_data.magic = NULL;
}
if (menu==NULL
|| (menu->selected_entry>=0
&& menu->entries[menu->selected_entry]->cascade>=0)) {
prevx = ev.xmotion.x_root;
prevy = ev.xmotion.y_root;
break;
}
selectEntry(menu, -1);
menu = smenu;
prevx = ev.xmotion.x_root;
prevy = ev.xmotion.y_root;
break;
} else if (menu && menu!=smenu
&& (menu->selected_entry<0
|| menu->entries[menu->selected_entry]->cascade<0)) {
selectEntry(menu, -1);
if (!delayed_select && d_data.magic) {
WMDeleteTimerHandler(d_data.magic);
d_data.magic = NULL;
}
} else {
/* hysteresis for item selection */
/* check if the motion was to the side, indicating that
* the user may want to cross to a submenu */
if (!delayed_select && menu) {
int dx;
Bool moved_to_submenu;/* moved to direction of submenu */
dx = abs(prevx - ev.xmotion.x_root);
moved_to_submenu = False;
if (dx > 0 /* if moved enough to the side */
/* maybe a open submenu */
&& menu->selected_entry>=0
/* moving to the right direction */
&& (wPreferences.align_menus
|| ev.xmotion.y_root >= prevy)) {
int index;
index = menu->entries[menu->selected_entry]->cascade;
if (index>=0) {
if (menu->cascades[index]->frame_x>menu->frame_x) {
if (prevx < ev.xmotion.x_root)
moved_to_submenu = True;
} else {
if (prevx > ev.xmotion.x_root)
moved_to_submenu = True;
}
}
}
if (menu != smenu) {
if (d_data.magic) {
WMDeleteTimerHandler(d_data.magic);
}
d_data.magic = NULL;
} else if (moved_to_submenu) {
/* while we are moving, postpone the selection */
if (d_data.magic) {
WMDeleteTimerHandler(d_data.magic);
}
d_data.delayed_select = NULL;
d_data.menu = menu;
d_data.magic = WMAddTimerHandler(MENU_SELECT_DELAY,
delaySelection,
&d_data);
prevx = ev.xmotion.x_root;
prevy = ev.xmotion.y_root;
break;
} else {
if (d_data.magic)
WMDeleteTimerHandler(d_data.magic);
d_data.magic = NULL;
}
}
}
prevx = ev.xmotion.x_root;
prevy = ev.xmotion.y_root;
if (menu!=smenu) {
/* pointer crossed menus */
if (menu && menu->timer) {
WMDeleteTimerHandler(menu->timer);
menu->timer = NULL;
}
if (smenu)
dragScrollMenuCallback(smenu);
}
menu = smenu;
if (!menu->timer)
dragScrollMenuCallback(menu);
if (!delayed_select) {
entry_no = getEntryAt(menu, x, y);
if (entry_no>=0) {
entry = menu->entries[entry_no];
if (entry->flags.enabled && entry->cascade>=0 &&
menu->cascades) {
WMenu *submenu = menu->cascades[entry->cascade];
if (submenu->flags.mapped && !submenu->flags.buttoned
&& menu->selected_entry!=entry_no) {
wMenuUnmap(submenu);
}
}
}
selectEntry(menu, entry_no);
}
break;
case ButtonPress:
break;
case ButtonRelease:
if (ev.xbutton.button == event->xbutton.button)
done=1;
break;
case Expose:
WMHandleEvent(&ev);
break;
}
}
if (menu && menu->timer) {
WMDeleteTimerHandler(menu->timer);
menu->timer = NULL;
}
if (d_data.magic!=NULL)
WMDeleteTimerHandler(d_data.magic);
if (menu && menu->selected_entry>=0) {
entry = menu->entries[menu->selected_entry];
if (entry->callback!=NULL && entry->flags.enabled
&& entry->cascade < 0) {
/* blink and erase menu selection */
#if (MENU_BLINK_DELAY > 0)
int sel = menu->selected_entry;
int i;
for (i=0; i<MENU_BLINK_COUNT; i++) {
paintEntry(menu, sel, False);
XSync(dpy, 0);
wusleep(MENU_BLINK_DELAY);
paintEntry(menu, sel, True);
XSync(dpy, 0);
wusleep(MENU_BLINK_DELAY);
}
#endif
/* unmap the menu, it's parents and call the callback */
if (!menu->flags.buttoned &&
(!menu->flags.app_menu||menu->parent!=NULL)) {
closeCascade(menu);
} else {
selectEntry(menu, -1);
}
(*entry->callback)(menu, entry);
/* If the user double clicks an entry, the entry will
* be executed twice, which is not good for things like
* the root menu. So, ignore any clicks that were generated
* while the entry was being executed */
while (XCheckTypedWindowEvent(dpy, menu->menu->window,
ButtonPress, &ev));
} else if (entry->callback!=NULL && entry->cascade<0) {
selectEntry(menu, -1);
} else {
if (entry->cascade>=0 && menu->cascades
&& menu->cascades[entry->cascade]->flags.brother) {
selectEntry(menu, -1);
}
}
}
if (((WMenu*)desc->parent)->flags.brother || close_on_exit || !smenu)
closeCascade(desc->parent);
/* close the cascade windows that should not remain opened */
closeBrotherCascadesOf(desc->parent);
if (!wPreferences.wrap_menus)
wMenuMove(parentMenu(desc->parent), old_frame_x, old_frame_y, True);
byebye:
((WMenu*)desc->parent)->flags.inside_handler = 0;
}
void
wMenuMove(WMenu *menu, int x, int y, int submenus)
{
WMenu *submenu;
int i;
if (!menu) return;
menu->frame_x = x;
menu->frame_y = y;
XMoveWindow(dpy, menu->frame->core->window, x, y);
if (submenus>0 && menu->selected_entry>=0) {
i = menu->entries[menu->selected_entry]->cascade;
if (i>=0 && menu->cascades) {
submenu = menu->cascades[i];
if (submenu->flags.mapped && !submenu->flags.buttoned) {
if (wPreferences.align_menus) {
wMenuMove(submenu, x + MENUW(menu), y, submenus);
} else {
wMenuMove(submenu, x+ MENUW(menu),
y + submenu->entry_height*menu->selected_entry,
submenus);
}
}
}
}
if (submenus<0 && menu->parent!=NULL && menu->parent->flags.mapped &&
!menu->parent->flags.buttoned) {
if (wPreferences.align_menus) {
wMenuMove(menu->parent, x - MENUW(menu->parent), y, submenus);
} else {
wMenuMove(menu->parent, x - MENUW(menu->parent), menu->frame_y
- menu->parent->entry_height*menu->parent->selected_entry,
submenus);
}
}
}
static void
changeMenuLevels(WMenu *menu, int lower)
{
int i;
if (!lower) {
ChangeStackingLevel(menu->frame->core, (!menu->parent ? WMMainMenuLevel
: WMSubmenuLevel));
wRaiseFrame(menu->frame->core);
menu->flags.lowered = 0;
} else {
ChangeStackingLevel(menu->frame->core, WMNormalLevel);
wLowerFrame(menu->frame->core);
menu->flags.lowered = 1;
}
for (i=0; i<menu->cascade_no; i++) {
if (menu->cascades[i]
&& !menu->cascades[i]->flags.buttoned
&& menu->cascades[i]->flags.lowered!=lower) {
changeMenuLevels(menu->cascades[i], lower);
}
}
}
static void
menuTitleDoubleClick(WCoreWindow *sender, void *data, XEvent *event)
{
WMenu *menu = data;
int lower;
if (event->xbutton.state & MOD_MASK) {
if (menu->flags.lowered) {
lower = 0;
} else {
lower = 1;
}
changeMenuLevels(menu, lower);
}
}
static void
menuTitleMouseDown(WCoreWindow *sender, void *data, XEvent *event)
{
WMenu *menu = data;
WMenu *tmp;
XEvent ev;
int x=menu->frame_x, y=menu->frame_y;
int dx=event->xbutton.x_root, dy=event->xbutton.y_root;
int i, lower;
Bool started;
/* can't touch the menu copy */
if (menu->flags.brother)
return;
if (event->xbutton.button != Button1 && event->xbutton.button != Button2)
return;
if (event->xbutton.state & MOD_MASK) {
wLowerFrame(menu->frame->core);
lower = 1;
} else {
wRaiseFrame(menu->frame->core);
lower = 0;
}
tmp = menu;
/* lower/raise all submenus */
while (1) {
if (tmp->selected_entry>=0 && tmp->cascades
&& tmp->entries[tmp->selected_entry]->cascade>=0) {
tmp = tmp->cascades[tmp->entries[tmp->selected_entry]->cascade];
if (!tmp || !tmp->flags.mapped)
break;
if (lower)
wLowerFrame(tmp->frame->core);
else
wRaiseFrame(tmp->frame->core);
} else {
break;
}
}
/* tear off the menu if it's a root menu or a cascade
application menu */
if (!menu->flags.buttoned && !menu->flags.brother
&& (!menu->flags.app_menu||menu->parent!=NULL)) {
menu->flags.buttoned=1;
wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
if (menu->parent) {
/* turn off selected menu entry in parent menu */
selectEntry(menu->parent, -1);
/* make parent map the copy in place of the original */
for (i=0; i<menu->parent->cascade_no; i++) {
if (menu->parent->cascades[i] == menu) {
menu->parent->cascades[i] = menu->brother;
break;
}
}
}
}
started = False;
while(1) {
WMMaskEvent(dpy, ButtonMotionMask|ButtonReleaseMask|ButtonPressMask
|ExposureMask, &ev);
switch (ev.type) {
case MotionNotify:
if (started) {
x += ev.xmotion.x_root - dx;
y += ev.xmotion.y_root - dy;
dx = ev.xmotion.x_root;
dy = ev.xmotion.y_root;
wMenuMove(menu, x, y, True);
} else {
if (abs(ev.xmotion.x_root - dx) > MOVE_THRESHOLD
|| abs(ev.xmotion.y_root - dy) > MOVE_THRESHOLD) {
started = True;
XGrabPointer(dpy, menu->frame->titlebar->window, False,
ButtonMotionMask|ButtonReleaseMask
|ButtonPressMask,
GrabModeAsync, GrabModeAsync, None,
wCursor[WCUR_MOVE], CurrentTime);
}
}
break;
case ButtonPress:
break;
case ButtonRelease:
if (ev.xbutton.button != event->xbutton.button)
break;
XUngrabPointer(dpy, CurrentTime);
return;
default:
WMHandleEvent(&ev);
break;
}
}
}
/*
*----------------------------------------------------------------------
* menuCloseClick--
* Handles mouse click on the close button of menus. The menu is
* closed when the button is clicked.
*
* Side effects:
* The closed menu is reinserted at it's parent menus
* cascade list.
*----------------------------------------------------------------------
*/
static void
menuCloseClick(WCoreWindow *sender, void *data, XEvent *event)
{
WMenu *menu = (WMenu*)data;
WMenu *parent = menu->parent;
int i;
if (parent) {
for (i=0; i<parent->cascade_no; i++) {
/* find the entry that points to the copy */
if (parent->cascades[i] == menu->brother) {
/* make it point to the original */
parent->cascades[i] = menu;
menu->parent = parent;
break;
}
}
}
wMenuUnmap(menu);
}
void
wMenuSaveState(WScreen *scr)
{
proplist_t menus, key, value;
int save_menus = 0;
char buffer[256];
menus = PLMakeDictionaryFromEntries(NULL, NULL, NULL);
#ifndef LITE
if (scr->switch_menu && scr->switch_menu->flags.buttoned) {
sprintf(buffer, "%i,%i", scr->switch_menu->frame_x,
scr->switch_menu->frame_y);
key = PLMakeString("SwitchMenu");
value = PLMakeString(buffer);
PLInsertDictionaryEntry(menus, key, value);
PLRelease(key);
PLRelease(value);
save_menus = 1;
}
if (saveMenuRecurs(menus, scr, scr->root_menu))
save_menus = 1;
#endif /* !LITE */
if (scr->workspace_menu && scr->workspace_menu->flags.buttoned) {
sprintf(buffer, "%i,%i", scr->workspace_menu->frame_x,
scr->workspace_menu->frame_y);
key = PLMakeString("WorkspaceMenu");
value = PLMakeString(buffer);
PLInsertDictionaryEntry(menus, key, value);
PLRelease(key);
PLRelease(value);
save_menus = 1;
}
if (save_menus) {
key = PLMakeString("Menus");
PLInsertDictionaryEntry(scr->session_state, key, menus);
PLRelease(key);
}
PLRelease(menus);
}
#ifndef LITE
static Bool
getMenuPath(WMenu *menu, char *buffer, int bufSize)
{
Bool ok = True;
int len = 0;
if (!menu->flags.titled || !menu->frame->title[0])
return False;
len = strlen(menu->frame->title);
if (len >= bufSize)
return False;
if (menu->parent) {
ok = getMenuPath(menu->parent, buffer, bufSize - len - 1);
if (!ok)
return False;
}
strcat(buffer, "\\");
strcat(buffer, menu->frame->title);
return True;
}
static Bool
saveMenuRecurs(proplist_t menus, WScreen *scr, WMenu *menu)
{
proplist_t key, value;
int save_menus = 0, i;
char buffer[512];
Bool ok = True;
if (menu->flags.brother)
menu = menu->brother;
if (menu->flags.buttoned && menu != scr->switch_menu) {
sprintf(buffer, "%i,%i", menu->frame_x, menu->frame_y);
value = PLMakeString(buffer);
buffer[0] = '\0';
ok = getMenuPath(menu, buffer, 510);
if (ok) {
key = PLMakeString(buffer);
PLInsertDictionaryEntry(menus, key, value);
PLRelease(key);
PLRelease(value);
save_menus = 1;
}
}
if (ok) {
for (i = 0; i < menu->cascade_no; i++) {
if (saveMenuRecurs(menus, scr, menu->cascades[i]))
save_menus = 1;
}
}
return save_menus;
}
#endif /* !LITE */
#define COMPLAIN(key) wwarning(_("bad value in menus state info:%s"), key)
static int
restoreMenu(WScreen *scr, proplist_t menu, int which)
{
int x, y;
WMenu *pmenu = NULL;
if (!menu)
return False;
if (!PLIsString(menu)) {
COMPLAIN("Position");
return False;
}
if (sscanf(PLGetString(menu), "%i,%i", &x, &y)!=2)
COMPLAIN("Position");
#ifndef LITE
if (which & WSS_SWITCHMENU) {
OpenSwitchMenu(scr, x, y, False);
pmenu = scr->switch_menu;
}
#endif /* !LITE */
if (pmenu) {
int width = MENUW(pmenu);
int height = MENUH(pmenu);
x = (x < -width) ? 0 : x;
x = (x > scr->scr_width) ? scr->scr_width - width : x;
y = (y < 0) ? 0 : y;
y = (y > scr->scr_height) ? scr->scr_height - height : y;
wMenuMove(pmenu, x, y, True);
pmenu->flags.buttoned = 1;
wFrameWindowShowButton(pmenu->frame, WFF_RIGHT_BUTTON);
return True;
}
return False;
}
#ifndef LITE
static int
restoreMenuRecurs(WScreen *scr, proplist_t menus, WMenu *menu, char *path)
{
proplist_t key, entry;
char buffer[512];
int i, x, y, res;
if (strlen(path) + strlen(menu->frame->title) > 510)
return False;
sprintf(buffer, "%s\\%s", path, menu->frame->title);
key = PLMakeString(buffer);
entry = PLGetDictionaryEntry(menus, key);
res = False;
if (entry && PLIsString(entry)) {
if (sscanf(PLGetString(entry), "%i,%i", &x, &y) != 2)
COMPLAIN("Position");
if (!menu->flags.mapped) {
int width = MENUW(menu);
int height = MENUH(menu);
wMenuMapAt(menu, x, y, False);
if (menu->parent) {
/* make parent map the copy in place of the original */
for (i=0; i<menu->parent->cascade_no; i++) {
if (menu->parent->cascades[i] == menu) {
menu->parent->cascades[i] = menu->brother;
break;
}
}
}
x = (x < -width) ? 0 : x;
x = (x > scr->scr_width) ? scr->scr_width - width : x;
y = (y < 0) ? 0 : y;
y = (y > scr->scr_height) ? scr->scr_height - height : y;
wMenuMove(menu, x, y, True);
menu->flags.buttoned = 1;
wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
res = True;
}
}
PLRelease(key);
for (i=0; i<menu->cascade_no; i++) {
if (restoreMenuRecurs(scr, menus, menu->cascades[i], buffer) != False)
res = True;
}
return res;
}
#endif /* !LITE */
void
wMenuRestoreState(WScreen *scr)
{
proplist_t menus, menu, key, skey;
key = PLMakeString("Menus");
menus = PLGetDictionaryEntry(scr->session_state, key);
PLRelease(key);
if (!menus)
return;
/* restore menus */
skey = PLMakeString("SwitchMenu");
menu = PLGetDictionaryEntry(menus, skey);
restoreMenu(scr, menu, WSS_SWITCHMENU);
#ifndef LITE
if (!scr->root_menu) {
OpenRootMenu(scr, scr->scr_width*2, 0, False);
wMenuUnmap(scr->root_menu);
}
restoreMenuRecurs(scr, menus, scr->root_menu, "");
#endif /* !LITE */
PLRelease(skey);
}
void
OpenWorkspaceMenu(WScreen *scr, int x, int y)
{
WMenu *menu, *parent;
WMenuEntry *entry;
#ifndef LITE
if (!scr->root_menu) {
OpenRootMenu(scr, scr->scr_width*2, 0, False);
wMenuUnmap(scr->root_menu);
}
#endif
menu = scr->workspace_menu;
if (menu) {
if (menu->flags.mapped) {
if (!menu->flags.buttoned) {
wMenuUnmap(menu);
parent = menu->parent;
if (parent && parent->selected_entry >= 0) {
entry = parent->entries[parent->selected_entry];
if (parent->cascades[entry->cascade] == menu) {
selectEntry(parent, -1);
wMenuMapAt(menu, x, y, False);
}
}
} else {
wRaiseFrame(menu->frame->core);
wMenuMapCopyAt(menu, x, y);
}
} else {
wMenuMapAt(menu, x, y, False);
}
}
}
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