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openbox/openbox/menuframe.c
Edward Sheldrake 26951b0d4c Fix use after free in menu_entry_frame_free
2014-10-28 04:14:24 +01:00

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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
menuframe.c for the Openbox window manager
Copyright (c) 2006 Mikael Magnusson
Copyright (c) 2003-2007 Dana Jansens
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.
See the COPYING file for a copy of the GNU General Public License.
*/
#include "menuframe.h"
#include "client.h"
#include "menu.h"
#include "screen.h"
#include "actions.h"
#include "event.h"
#include "grab.h"
#include "openbox.h"
#include "config.h"
#include "obt/prop.h"
#include "obt/keyboard.h"
#include "obrender/theme.h"
#define PADDING 2
#define MAX_MENU_WIDTH 400
#define ITEM_HEIGHT (ob_rr_theme->menu_font_height + 2*PADDING)
#define FRAME_EVENTMASK (ButtonPressMask |ButtonMotionMask | EnterWindowMask |\
LeaveWindowMask)
#define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask)
GList *menu_frame_visible;
GHashTable *menu_frame_map;
static RrAppearance *a_sep;
static guint submenu_show_timer = 0;
static guint submenu_hide_timer = 0;
static ObMenuEntryFrame* menu_entry_frame_new(ObMenuEntry *entry,
ObMenuFrame *frame);
static void menu_entry_frame_free(ObMenuEntryFrame *self);
static void menu_frame_update(ObMenuFrame *self);
static gboolean submenu_show_timeout(gpointer data);
static void menu_frame_hide(ObMenuFrame *self);
static gboolean submenu_hide_timeout(gpointer data);
static Window createWindow(Window parent, gulong mask,
XSetWindowAttributes *attrib)
{
return XCreateWindow(obt_display, parent, 0, 0, 1, 1, 0,
RrDepth(ob_rr_inst), InputOutput,
RrVisual(ob_rr_inst), mask, attrib);
}
static void client_dest(ObClient *client, gpointer data)
{
GList *it;
/* menus can be associated with a client, so null those refs since
we are disappearing now */
for (it = menu_frame_visible; it; it = g_list_next(it)) {
ObMenuFrame *f = it->data;
if (f->client == client)
f->client = NULL;
}
}
void menu_frame_startup(gboolean reconfig)
{
gint i;
a_sep = RrAppearanceCopy(ob_rr_theme->a_clear);
RrAppearanceAddTextures(a_sep, ob_rr_theme->menu_sep_width);
for (i = 0; i < ob_rr_theme->menu_sep_width; ++i) {
a_sep->texture[i].type = RR_TEXTURE_LINE_ART;
a_sep->texture[i].data.lineart.color =
ob_rr_theme->menu_sep_color;
}
if (reconfig) return;
client_add_destroy_notify(client_dest, NULL);
menu_frame_map = g_hash_table_new(g_int_hash, g_int_equal);
}
void menu_frame_shutdown(gboolean reconfig)
{
RrAppearanceFree(a_sep);
if (reconfig) return;
client_remove_destroy_notify(client_dest);
g_hash_table_destroy(menu_frame_map);
}
ObMenuFrame* menu_frame_new(ObMenu *menu, guint show_from, ObClient *client)
{
ObMenuFrame *self;
XSetWindowAttributes attr;
self = g_slice_new0(ObMenuFrame);
self->obwin.type = OB_WINDOW_CLASS_MENUFRAME;
self->menu = menu;
self->selected = NULL;
self->client = client;
self->direction_right = TRUE;
self->show_from = show_from;
attr.event_mask = FRAME_EVENTMASK;
self->window = createWindow(obt_root(ob_screen),
CWEventMask, &attr);
/* make it a popup menu type window */
OBT_PROP_SET32(self->window, NET_WM_WINDOW_TYPE, ATOM,
OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_POPUP_MENU));
XSetWindowBorderWidth(obt_display, self->window, ob_rr_theme->mbwidth);
XSetWindowBorder(obt_display, self->window,
RrColorPixel(ob_rr_theme->menu_border_color));
self->a_items = RrAppearanceCopy(ob_rr_theme->a_menu);
window_add(&self->window, MENUFRAME_AS_WINDOW(self));
stacking_add(MENUFRAME_AS_WINDOW(self));
return self;
}
void menu_frame_free(ObMenuFrame *self)
{
if (self) {
while (self->entries) {
menu_entry_frame_free(self->entries->data);
self->entries = g_list_delete_link(self->entries, self->entries);
}
stacking_remove(MENUFRAME_AS_WINDOW(self));
window_remove(self->window);
RrAppearanceFree(self->a_items);
XDestroyWindow(obt_display, self->window);
g_slice_free(ObMenuFrame, self);
}
}
ObtIC* menu_frame_ic(ObMenuFrame *self)
{
/* menus are always used through a grab right now, so they can always use
the grab input context */
return grab_input_context();
}
static ObMenuEntryFrame* menu_entry_frame_new(ObMenuEntry *entry,
ObMenuFrame *frame)
{
ObMenuEntryFrame *self;
XSetWindowAttributes attr;
self = g_slice_new0(ObMenuEntryFrame);
self->entry = entry;
self->frame = frame;
menu_entry_ref(entry);
attr.event_mask = ENTRY_EVENTMASK;
self->window = createWindow(self->frame->window, CWEventMask, &attr);
self->text = createWindow(self->window, 0, NULL);
g_hash_table_insert(menu_frame_map, &self->window, self);
g_hash_table_insert(menu_frame_map, &self->text, self);
if ((entry->type == OB_MENU_ENTRY_TYPE_NORMAL) ||
(entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)) {
self->icon = createWindow(self->window, 0, NULL);
g_hash_table_insert(menu_frame_map, &self->icon, self);
}
if (entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
self->bullet = createWindow(self->window, 0, NULL);
g_hash_table_insert(menu_frame_map, &self->bullet, self);
}
XMapWindow(obt_display, self->window);
XMapWindow(obt_display, self->text);
window_add(&self->window, MENUFRAME_AS_WINDOW(self->frame));
return self;
}
static void menu_entry_frame_free(ObMenuEntryFrame *self)
{
if (self) {
window_remove(self->window);
XDestroyWindow(obt_display, self->text);
XDestroyWindow(obt_display, self->window);
g_hash_table_remove(menu_frame_map, &self->text);
g_hash_table_remove(menu_frame_map, &self->window);
if ((self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL) ||
(self->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)) {
XDestroyWindow(obt_display, self->icon);
g_hash_table_remove(menu_frame_map, &self->icon);
}
if (self->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
XDestroyWindow(obt_display, self->bullet);
g_hash_table_remove(menu_frame_map, &self->bullet);
}
menu_entry_unref(self->entry);
g_slice_free(ObMenuEntryFrame, self);
}
}
void menu_frame_move(ObMenuFrame *self, gint x, gint y)
{
RECT_SET_POINT(self->area, x, y);
self->monitor = screen_find_monitor_point(x, y);
XMoveWindow(obt_display, self->window, self->area.x, self->area.y);
}
static void menu_frame_place_topmenu(ObMenuFrame *self, const GravityPoint *pos,
gint *x, gint *y, gint monitor,
gboolean user_positioned)
{
gint dx, dy;
screen_apply_gravity_point(x, y, self->area.width, self->area.height,
pos, screen_physical_area_monitor(monitor));
if (user_positioned)
return;
if (config_menu_middle) {
gint myx;
myx = *x;
*y -= self->area.height / 2;
/* try to the right of the cursor */
menu_frame_move_on_screen(self, myx, *y, &dx, &dy);
self->direction_right = TRUE;
if (dx != 0) {
/* try to the left of the cursor */
myx = *x - self->area.width;
menu_frame_move_on_screen(self, myx, *y, &dx, &dy);
self->direction_right = FALSE;
}
if (dx != 0) {
/* if didnt fit on either side so just use what it says */
myx = *x;
menu_frame_move_on_screen(self, myx, *y, &dx, &dy);
self->direction_right = TRUE;
}
*x = myx + dx;
*y += dy;
} else {
gint myx, myy;
myx = *x;
myy = *y;
/* try to the bottom right of the cursor */
menu_frame_move_on_screen(self, myx, myy, &dx, &dy);
self->direction_right = TRUE;
if (dx != 0 || dy != 0) {
/* try to the bottom left of the cursor */
myx = *x - self->area.width;
myy = *y;
menu_frame_move_on_screen(self, myx, myy, &dx, &dy);
self->direction_right = FALSE;
}
if (dx != 0 || dy != 0) {
/* try to the top right of the cursor */
myx = *x;
myy = *y - self->area.height;
menu_frame_move_on_screen(self, myx, myy, &dx, &dy);
self->direction_right = TRUE;
}
if (dx != 0 || dy != 0) {
/* try to the top left of the cursor */
myx = *x - self->area.width;
myy = *y - self->area.height;
menu_frame_move_on_screen(self, myx, myy, &dx, &dy);
self->direction_right = FALSE;
}
if (dx != 0 || dy != 0) {
/* if didnt fit on either side so just use what it says */
myx = *x;
myy = *y;
menu_frame_move_on_screen(self, myx, myy, &dx, &dy);
self->direction_right = TRUE;
}
*x = myx + dx;
*y = myy + dy;
}
}
static void menu_frame_place_submenu(ObMenuFrame *self, gint *x, gint *y)
{
gint overlapx, overlapy;
gint bwidth;
overlapx = ob_rr_theme->menu_overlap_x;
overlapy = ob_rr_theme->menu_overlap_y;
bwidth = ob_rr_theme->mbwidth;
if (self->direction_right)
*x = self->parent->area.x + self->parent->area.width -
overlapx - bwidth;
else
*x = self->parent->area.x - self->area.width + overlapx + bwidth;
*y = self->parent->area.y + self->parent_entry->area.y;
if (config_menu_middle)
*y -= (self->area.height - (bwidth * 2) - ITEM_HEIGHT) / 2;
else
*y += overlapy;
}
void menu_frame_move_on_screen(ObMenuFrame *self, gint x, gint y,
gint *dx, gint *dy)
{
const Rect *a = NULL;
Rect search = self->area;
gint pos, half, monitor;
*dx = *dy = 0;
RECT_SET_POINT(search, x, y);
if (self->parent)
monitor = self->parent->monitor;
else
monitor = screen_find_monitor(&search);
a = screen_physical_area_monitor(monitor);
half = g_list_length(self->entries) / 2;
pos = g_list_index(self->entries, self->selected);
/* if in the bottom half then check this stuff first, will keep the bottom
edge of the menu visible */
if (pos > half) {
*dx = MAX(*dx, a->x - x);
*dy = MAX(*dy, a->y - y);
}
*dx = MIN(*dx, (a->x + a->width) - (x + self->area.width));
*dy = MIN(*dy, (a->y + a->height) - (y + self->area.height));
/* if in the top half then check this stuff last, will keep the top
edge of the menu visible */
if (pos <= half) {
*dx = MAX(*dx, a->x - x);
*dy = MAX(*dy, a->y - y);
}
}
static void menu_entry_frame_render(ObMenuEntryFrame *self)
{
RrAppearance *item_a, *text_a;
gint th; /* temp */
ObMenu *sub;
ObMenuFrame *frame = self->frame;
switch (self->entry->type) {
case OB_MENU_ENTRY_TYPE_NORMAL:
case OB_MENU_ENTRY_TYPE_SUBMENU:
item_a = (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
!self->entry->data.normal.enabled ?
/* disabled */
(self == self->frame->selected ?
ob_rr_theme->a_menu_disabled_selected :
ob_rr_theme->a_menu_disabled) :
/* enabled */
(self == self->frame->selected ?
ob_rr_theme->a_menu_selected :
ob_rr_theme->a_menu_normal));
th = ITEM_HEIGHT;
break;
case OB_MENU_ENTRY_TYPE_SEPARATOR:
if (self->entry->data.separator.label) {
item_a = ob_rr_theme->a_menu_title;
th = ob_rr_theme->menu_title_height;
} else {
item_a = ob_rr_theme->a_menu_normal;
th = ob_rr_theme->menu_sep_width +
2*ob_rr_theme->menu_sep_paddingy;
}
break;
default:
g_assert_not_reached();
}
RECT_SET_SIZE(self->area, self->frame->inner_w, th);
XResizeWindow(obt_display, self->window,
self->area.width, self->area.height);
item_a->surface.parent = self->frame->a_items;
item_a->surface.parentx = self->area.x;
item_a->surface.parenty = self->area.y;
RrPaint(item_a, self->window, self->area.width, self->area.height);
switch (self->entry->type) {
case OB_MENU_ENTRY_TYPE_NORMAL:
text_a = (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
!self->entry->data.normal.enabled ?
/* disabled */
(self == self->frame->selected ?
ob_rr_theme->a_menu_text_disabled_selected :
ob_rr_theme->a_menu_text_disabled) :
/* enabled */
(self == self->frame->selected ?
ob_rr_theme->a_menu_text_selected :
ob_rr_theme->a_menu_text_normal));
text_a->texture[0].data.text.string = self->entry->data.normal.label;
if (self->entry->data.normal.shortcut &&
(self->frame->menu->show_all_shortcuts ||
self->entry->data.normal.shortcut_always_show ||
self->entry->data.normal.shortcut_position > 0))
{
text_a->texture[0].data.text.shortcut = TRUE;
text_a->texture[0].data.text.shortcut_pos =
self->entry->data.normal.shortcut_position;
} else
text_a->texture[0].data.text.shortcut = FALSE;
break;
case OB_MENU_ENTRY_TYPE_SUBMENU:
text_a = (self == self->frame->selected ?
ob_rr_theme->a_menu_text_selected :
ob_rr_theme->a_menu_text_normal);
sub = self->entry->data.submenu.submenu;
text_a->texture[0].data.text.string = sub ? sub->title : "";
if (sub && sub->shortcut && (self->frame->menu->show_all_shortcuts ||
sub->shortcut_always_show ||
sub->shortcut_position > 0))
{
text_a->texture[0].data.text.shortcut = TRUE;
text_a->texture[0].data.text.shortcut_pos = sub->shortcut_position;
} else
text_a->texture[0].data.text.shortcut = FALSE;
break;
case OB_MENU_ENTRY_TYPE_SEPARATOR:
if (self->entry->data.separator.label != NULL) {
text_a = ob_rr_theme->a_menu_text_title;
text_a->texture[0].data.text.string =
self->entry->data.separator.label;
}
else
text_a = ob_rr_theme->a_menu_text_normal;
break;
default:
g_assert_not_reached();
}
switch (self->entry->type) {
case OB_MENU_ENTRY_TYPE_NORMAL:
XMoveResizeWindow(obt_display, self->text,
self->frame->text_x, PADDING,
self->frame->text_w,
ITEM_HEIGHT - 2*PADDING);
text_a->surface.parent = item_a;
text_a->surface.parentx = self->frame->text_x;
text_a->surface.parenty = PADDING;
RrPaint(text_a, self->text, self->frame->text_w,
ITEM_HEIGHT - 2*PADDING);
break;
case OB_MENU_ENTRY_TYPE_SUBMENU:
XMoveResizeWindow(obt_display, self->text,
self->frame->text_x, PADDING,
self->frame->text_w - ITEM_HEIGHT,
ITEM_HEIGHT - 2*PADDING);
text_a->surface.parent = item_a;
text_a->surface.parentx = self->frame->text_x;
text_a->surface.parenty = PADDING;
RrPaint(text_a, self->text, self->frame->text_w - ITEM_HEIGHT,
ITEM_HEIGHT - 2*PADDING);
break;
case OB_MENU_ENTRY_TYPE_SEPARATOR:
if (self->entry->data.separator.label != NULL) {
/* labeled separator */
XMoveResizeWindow(obt_display, self->text,
ob_rr_theme->paddingx, ob_rr_theme->paddingy,
self->area.width - 2*ob_rr_theme->paddingx,
ob_rr_theme->menu_title_height -
2*ob_rr_theme->paddingy);
text_a->surface.parent = item_a;
text_a->surface.parentx = ob_rr_theme->paddingx;
text_a->surface.parenty = ob_rr_theme->paddingy;
RrPaint(text_a, self->text,
self->area.width - 2*ob_rr_theme->paddingx,
ob_rr_theme->menu_title_height -
2*ob_rr_theme->paddingy);
} else {
gint i;
/* unlabeled separator */
XMoveResizeWindow(obt_display, self->text, 0, 0,
self->area.width,
ob_rr_theme->menu_sep_width +
2*ob_rr_theme->menu_sep_paddingy);
a_sep->surface.parent = item_a;
a_sep->surface.parentx = 0;
a_sep->surface.parenty = 0;
for (i = 0; i < ob_rr_theme->menu_sep_width; ++i) {
a_sep->texture[i].data.lineart.x1 =
ob_rr_theme->menu_sep_paddingx;
a_sep->texture[i].data.lineart.y1 =
ob_rr_theme->menu_sep_paddingy + i;
a_sep->texture[i].data.lineart.x2 =
self->area.width - ob_rr_theme->menu_sep_paddingx - 1;
a_sep->texture[i].data.lineart.y2 =
ob_rr_theme->menu_sep_paddingy + i;
}
RrPaint(a_sep, self->text, self->area.width,
ob_rr_theme->menu_sep_width +
2*ob_rr_theme->menu_sep_paddingy);
}
break;
default:
g_assert_not_reached();
}
if (((self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL) ||
(self->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)) &&
self->entry->data.normal.icon)
{
RrAppearance *clear;
XMoveResizeWindow(obt_display, self->icon,
PADDING, frame->item_margin.top,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom);
clear = ob_rr_theme->a_clear_tex;
RrAppearanceClearTextures(clear);
clear->texture[0].type = RR_TEXTURE_IMAGE;
clear->texture[0].data.image.image =
self->entry->data.normal.icon;
clear->texture[0].data.image.alpha =
self->entry->data.normal.icon_alpha;
clear->surface.parent = item_a;
clear->surface.parentx = PADDING;
clear->surface.parenty = frame->item_margin.top;
RrPaint(clear, self->icon,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom);
XMapWindow(obt_display, self->icon);
} else if (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
self->entry->data.normal.mask)
{
RrColor *c;
RrAppearance *clear;
XMoveResizeWindow(obt_display, self->icon,
PADDING, frame->item_margin.top,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom);
clear = ob_rr_theme->a_clear_tex;
RrAppearanceClearTextures(clear);
clear->texture[0].type = RR_TEXTURE_MASK;
clear->texture[0].data.mask.mask =
self->entry->data.normal.mask;
c = (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
!self->entry->data.normal.enabled ?
/* disabled */
(self == self->frame->selected ?
self->entry->data.normal.mask_disabled_selected_color :
self->entry->data.normal.mask_disabled_color) :
/* enabled */
(self == self->frame->selected ?
self->entry->data.normal.mask_selected_color :
self->entry->data.normal.mask_normal_color));
clear->texture[0].data.mask.color = c;
clear->surface.parent = item_a;
clear->surface.parentx = PADDING;
clear->surface.parenty = frame->item_margin.top;
RrPaint(clear, self->icon,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom,
ITEM_HEIGHT - frame->item_margin.top
- frame->item_margin.bottom);
XMapWindow(obt_display, self->icon);
} else
XUnmapWindow(obt_display, self->icon);
if (self->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
RrAppearance *bullet_a;
XMoveResizeWindow(obt_display, self->bullet,
self->frame->text_x + self->frame->text_w -
ITEM_HEIGHT + PADDING, PADDING,
ITEM_HEIGHT - 2*PADDING,
ITEM_HEIGHT - 2*PADDING);
bullet_a = (self == self->frame->selected ?
ob_rr_theme->a_menu_bullet_selected :
ob_rr_theme->a_menu_bullet_normal);
bullet_a->surface.parent = item_a;
bullet_a->surface.parentx =
self->frame->text_x + self->frame->text_w - ITEM_HEIGHT + PADDING;
bullet_a->surface.parenty = PADDING;
RrPaint(bullet_a, self->bullet,
ITEM_HEIGHT - 2*PADDING,
ITEM_HEIGHT - 2*PADDING);
XMapWindow(obt_display, self->bullet);
} else
XUnmapWindow(obt_display, self->bullet);
XFlush(obt_display);
}
/*! this code is taken from the menu_frame_render. if that changes, this won't
work.. */
static gint menu_entry_frame_get_height(ObMenuEntryFrame *self,
gboolean first_entry,
gboolean last_entry)
{
ObMenuEntryType t;
gint h = 0;
h += 2*PADDING;
if (self)
t = self->entry->type;
else
/* this is the More... entry, it's NORMAL type */
t = OB_MENU_ENTRY_TYPE_NORMAL;
switch (t) {
case OB_MENU_ENTRY_TYPE_NORMAL:
case OB_MENU_ENTRY_TYPE_SUBMENU:
h += ob_rr_theme->menu_font_height;
break;
case OB_MENU_ENTRY_TYPE_SEPARATOR:
if (self->entry->data.separator.label != NULL) {
h += ob_rr_theme->menu_title_height +
(ob_rr_theme->mbwidth - PADDING) * 2;
/* if the first entry is a labeled separator, then make its border
overlap with the menu's outside border */
if (first_entry)
h -= ob_rr_theme->mbwidth;
/* if the last entry is a labeled separator, then make its border
overlap with the menu's outside border */
if (last_entry)
h -= ob_rr_theme->mbwidth;
} else {
h += ob_rr_theme->menu_sep_width +
2*ob_rr_theme->menu_sep_paddingy - PADDING * 2;
}
break;
}
return h;
}
void menu_frame_render(ObMenuFrame *self)
{
gint w = 0, h = 0;
gint tw, th; /* temps */
GList *it;
gboolean has_icon = FALSE;
ObMenu *sub;
ObMenuEntryFrame *e;
/* find text dimensions */
STRUT_SET(self->item_margin, 0, 0, 0, 0);
if (self->entries) {
gint l, t, r, b;
e = self->entries->data;
ob_rr_theme->a_menu_text_normal->texture[0].data.text.string = "";
tw = RrMinWidth(ob_rr_theme->a_menu_text_normal);
tw += 2*PADDING;
th = ITEM_HEIGHT;
RrMargins(ob_rr_theme->a_menu_normal, &l, &t, &r, &b);
STRUT_SET(self->item_margin,
MAX(self->item_margin.left, l),
MAX(self->item_margin.top, t),
MAX(self->item_margin.right, r),
MAX(self->item_margin.bottom, b));
RrMargins(ob_rr_theme->a_menu_selected, &l, &t, &r, &b);
STRUT_SET(self->item_margin,
MAX(self->item_margin.left, l),
MAX(self->item_margin.top, t),
MAX(self->item_margin.right, r),
MAX(self->item_margin.bottom, b));
RrMargins(ob_rr_theme->a_menu_disabled, &l, &t, &r, &b);
STRUT_SET(self->item_margin,
MAX(self->item_margin.left, l),
MAX(self->item_margin.top, t),
MAX(self->item_margin.right, r),
MAX(self->item_margin.bottom, b));
RrMargins(ob_rr_theme->a_menu_disabled_selected, &l, &t, &r, &b);
STRUT_SET(self->item_margin,
MAX(self->item_margin.left, l),
MAX(self->item_margin.top, t),
MAX(self->item_margin.right, r),
MAX(self->item_margin.bottom, b));
}
/* render the entries */
for (it = self->entries; it; it = g_list_next(it)) {
RrAppearance *text_a;
e = it->data;
/* if the first entry is a labeled separator, then make its border
overlap with the menu's outside border */
if (it == self->entries &&
e->entry->type == OB_MENU_ENTRY_TYPE_SEPARATOR &&
e->entry->data.separator.label)
{
h -= ob_rr_theme->mbwidth;
}
if (e->entry->type == OB_MENU_ENTRY_TYPE_SEPARATOR &&
e->entry->data.separator.label)
{
e->border = ob_rr_theme->mbwidth;
}
RECT_SET_POINT(e->area, 0, h+e->border);
XMoveWindow(obt_display, e->window,
e->area.x-e->border, e->area.y-e->border);
XSetWindowBorderWidth(obt_display, e->window, e->border);
XSetWindowBorder(obt_display, e->window,
RrColorPixel(ob_rr_theme->menu_border_color));
text_a = (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
!e->entry->data.normal.enabled ?
/* disabled */
(e == self->selected ?
ob_rr_theme->a_menu_text_disabled_selected :
ob_rr_theme->a_menu_text_disabled) :
/* enabled */
(e == self->selected ?
ob_rr_theme->a_menu_text_selected :
ob_rr_theme->a_menu_text_normal));
switch (e->entry->type) {
case OB_MENU_ENTRY_TYPE_NORMAL:
text_a->texture[0].data.text.string = e->entry->data.normal.label;
tw = RrMinWidth(text_a);
tw = MIN(tw, MAX_MENU_WIDTH);
th = ob_rr_theme->menu_font_height;
if (e->entry->data.normal.icon ||
e->entry->data.normal.mask)
has_icon = TRUE;
break;
case OB_MENU_ENTRY_TYPE_SUBMENU:
sub = e->entry->data.submenu.submenu;
text_a->texture[0].data.text.string = sub ? sub->title : "";
tw = RrMinWidth(text_a);
tw = MIN(tw, MAX_MENU_WIDTH);
th = ob_rr_theme->menu_font_height;
if (e->entry->data.normal.icon ||
e->entry->data.normal.mask)
has_icon = TRUE;
tw += ITEM_HEIGHT - PADDING;
break;
case OB_MENU_ENTRY_TYPE_SEPARATOR:
if (e->entry->data.separator.label != NULL) {
ob_rr_theme->a_menu_text_title->texture[0].data.text.string =
e->entry->data.separator.label;
tw = RrMinWidth(ob_rr_theme->a_menu_text_title) +
2*ob_rr_theme->paddingx;
tw = MIN(tw, MAX_MENU_WIDTH);
th = ob_rr_theme->menu_title_height +
(ob_rr_theme->mbwidth - PADDING) *2;
} else {
tw = 0;
th = ob_rr_theme->menu_sep_width +
2*ob_rr_theme->menu_sep_paddingy - 2*PADDING;
}
break;
default:
g_assert_not_reached();
}
tw += 2*PADDING;
th += 2*PADDING;
w = MAX(w, tw);
h += th;
}
/* if the last entry is a labeled separator, then make its border
overlap with the menu's outside border */
it = g_list_last(self->entries);
e = it ? it->data : NULL;
if (e && e->entry->type == OB_MENU_ENTRY_TYPE_SEPARATOR &&
e->entry->data.separator.label)
{
h -= ob_rr_theme->mbwidth;
}
self->text_x = PADDING;
self->text_w = w;
if (self->entries) {
if (has_icon) {
w += ITEM_HEIGHT + PADDING;
self->text_x += ITEM_HEIGHT + PADDING;
}
}
if (!w) w = 10;
if (!h) h = 3;
XResizeWindow(obt_display, self->window, w, h);
self->inner_w = w;
RrPaint(self->a_items, self->window, w, h);
for (it = self->entries; it; it = g_list_next(it))
menu_entry_frame_render(it->data);
w += ob_rr_theme->mbwidth * 2;
h += ob_rr_theme->mbwidth * 2;
RECT_SET_SIZE(self->area, w, h);
XFlush(obt_display);
}
static void menu_frame_update(ObMenuFrame *self)
{
GList *mit, *fit;
const Rect *a;
gint h;
menu_pipe_execute(self->menu);
menu_find_submenus(self->menu);
self->selected = NULL;
/* start at show_from */
mit = g_list_nth(self->menu->entries, self->show_from);
/* go through the menu's and frame's entries and connect the frame entries
to the menu entries */
for (fit = self->entries; mit && fit;
mit = g_list_next(mit), fit = g_list_next(fit))
{
ObMenuEntryFrame *f = fit->data;
f->entry = mit->data;
}
/* if there are more menu entries than in the frame, add them */
while (mit) {
ObMenuEntryFrame *e = menu_entry_frame_new(mit->data, self);
self->entries = g_list_append(self->entries, e);
mit = g_list_next(mit);
}
/* if there are more frame entries than menu entries then get rid of
them */
while (fit) {
GList *n = g_list_next(fit);
menu_entry_frame_free(fit->data);
self->entries = g_list_delete_link(self->entries, fit);
fit = n;
}
/* * make the menu fit on the screen */
/* calculate the height of the menu */
h = 0;
for (fit = self->entries; fit; fit = g_list_next(fit))
h += menu_entry_frame_get_height(fit->data,
fit == self->entries,
g_list_next(fit) == NULL);
/* add the border at the top and bottom */
h += ob_rr_theme->mbwidth * 2;
a = screen_physical_area_monitor(self->monitor);
if (h > a->height) {
GList *flast, *tmp;
gboolean last_entry = TRUE;
/* take the height of our More... entry into account */
h += menu_entry_frame_get_height(NULL, FALSE, TRUE);
/* start at the end of the entries */
flast = g_list_last(self->entries);
/* pull out all the entries from the frame that don't
fit on the screen, leaving at least 1 though */
while (h > a->height && g_list_previous(flast) != NULL) {
/* update the height, without this entry */
h -= menu_entry_frame_get_height(flast->data, FALSE, last_entry);
/* destroy the entry we're not displaying */
tmp = flast;
flast = g_list_previous(flast);
menu_entry_frame_free(tmp->data);
self->entries = g_list_delete_link(self->entries, tmp);
/* only the first one that we see is the last entry in the menu */
last_entry = FALSE;
};
{
ObMenuEntry *more_entry;
ObMenuEntryFrame *more_frame;
/* make the More... menu entry frame which will display in this
frame.
if self->menu->more_menu is NULL that means that this is already
More... menu, so just use ourself.
*/
more_entry = menu_get_more((self->menu->more_menu ?
self->menu->more_menu :
self->menu),
/* continue where we left off */
self->show_from +
g_list_length(self->entries));
more_frame = menu_entry_frame_new(more_entry, self);
/* make it get deleted when the menu frame goes away */
menu_entry_unref(more_entry);
/* add our More... entry to the frame */
self->entries = g_list_append(self->entries, more_frame);
}
}
menu_frame_render(self);
}
static gboolean menu_frame_is_visible(ObMenuFrame *self)
{
return !!(g_list_find(menu_frame_visible, self));
}
static gboolean menu_frame_show(ObMenuFrame *self)
{
GList *it;
/* determine if the underlying menu is already visible */
for (it = menu_frame_visible; it; it = g_list_next(it)) {
ObMenuFrame *f = it->data;
if (f->menu == self->menu)
break;
}
if (!it) {
if (self->menu->update_func)
if (!self->menu->update_func(self, self->menu->data))
return FALSE;
}
if (menu_frame_visible == NULL) {
/* no menus shown yet */
/* grab the pointer in such a way as to pass through "owner events"
so that we can get enter/leave notifies in the menu. */
if (!grab_pointer(TRUE, FALSE, OB_CURSOR_POINTER))
return FALSE;
if (!grab_keyboard()) {
ungrab_pointer();
return FALSE;
}
}
menu_frame_update(self);
menu_frame_visible = g_list_prepend(menu_frame_visible, self);
if (self->menu->show_func)
self->menu->show_func(self, self->menu->data);
return TRUE;
}
gboolean menu_frame_show_topmenu(ObMenuFrame *self, const GravityPoint *pos,
gint monitor, gboolean mouse,
gboolean user_positioned)
{
gint px, py;
gint x, y;
if (menu_frame_is_visible(self))
return TRUE;
if (!menu_frame_show(self))
return FALSE;
if (self->menu->place_func) {
x = pos->x.pos;
y = pos->y.pos;
self->menu->place_func(self, &x, &y, mouse, self->menu->data);
} else {
menu_frame_place_topmenu(self, pos, &x, &y, monitor,
user_positioned);
}
menu_frame_move(self, x, y);
XMapWindow(obt_display, self->window);
if (screen_pointer_pos(&px, &py)) {
ObMenuEntryFrame *e = menu_entry_frame_under(px, py);
if (e && e->frame == self)
e->ignore_enters++;
}
return TRUE;
}
/*! Stop hiding an open submenu.
@child The OnMenuFrame of the submenu to be hidden
*/
static void remove_submenu_hide_timeout(ObMenuFrame *child)
{
if (submenu_hide_timer) g_source_remove(submenu_hide_timer);
submenu_hide_timer = 0;
}
gboolean menu_frame_show_submenu(ObMenuFrame *self, ObMenuFrame *parent,
ObMenuEntryFrame *parent_entry)
{
gint x, y, dx, dy;
gint px, py;
if (menu_frame_is_visible(self))
return TRUE;
self->monitor = parent->monitor;
self->parent = parent;
self->parent_entry = parent_entry;
/* set up parent's child to be us */
if ((parent->child) != self) {
if (parent->child)
menu_frame_hide(parent->child);
parent->child = self;
parent->child_entry = parent_entry;
}
if (!menu_frame_show(self)) {
parent->child = NULL;
parent->child_entry = NULL;
return FALSE;
}
menu_frame_place_submenu(self, &x, &y);
menu_frame_move_on_screen(self, x, y, &dx, &dy);
if (dx != 0) {
/*try the other side */
self->direction_right = !self->direction_right;
menu_frame_place_submenu(self, &x, &y);
menu_frame_move_on_screen(self, x, y, &dx, &dy);
}
menu_frame_move(self, x + dx, y + dy);
XMapWindow(obt_display, self->window);
if (screen_pointer_pos(&px, &py)) {
ObMenuEntryFrame *e = menu_entry_frame_under(px, py);
if (e && e->frame == self)
e->ignore_enters++;
}
return TRUE;
}
static void menu_frame_hide(ObMenuFrame *self)
{
ObMenu *const menu = self->menu;
GList *it = g_list_find(menu_frame_visible, self);
gulong ignore_start;
if (!it)
return;
if (menu->hide_func)
menu->hide_func(self, menu->data);
if (self->child)
menu_frame_hide(self->child);
if (self->parent) {
remove_submenu_hide_timeout(self);
self->parent->child = NULL;
self->parent->child_entry = NULL;
}
self->parent = NULL;
self->parent_entry = NULL;
menu_frame_visible = g_list_delete_link(menu_frame_visible, it);
if (menu_frame_visible == NULL) {
/* last menu shown */
ungrab_pointer();
ungrab_keyboard();
}
ignore_start = event_start_ignore_all_enters();
XUnmapWindow(obt_display, self->window);
event_end_ignore_all_enters(ignore_start);
menu_frame_free(self);
if (menu->cleanup_func)
menu->cleanup_func(menu, menu->data);
}
void menu_frame_hide_all(void)
{
GList *it;
if (config_submenu_show_delay) {
/* remove any submenu open requests */
if (submenu_show_timer) g_source_remove(submenu_show_timer);
submenu_show_timer = 0;
}
if ((it = g_list_last(menu_frame_visible)))
menu_frame_hide(it->data);
}
ObMenuFrame* menu_frame_under(gint x, gint y)
{
ObMenuFrame *ret = NULL;
GList *it;
for (it = menu_frame_visible; it; it = g_list_next(it)) {
ObMenuFrame *f = it->data;
if (RECT_CONTAINS(f->area, x, y)) {
ret = f;
break;
}
}
return ret;
}
ObMenuEntryFrame* menu_entry_frame_under(gint x, gint y)
{
ObMenuFrame *frame;
ObMenuEntryFrame *ret = NULL;
GList *it;
if ((frame = menu_frame_under(x, y))) {
x -= ob_rr_theme->mbwidth + frame->area.x;
y -= ob_rr_theme->mbwidth + frame->area.y;
for (it = frame->entries; it; it = g_list_next(it)) {
ObMenuEntryFrame *e = it->data;
if (RECT_CONTAINS(e->area, x, y)) {
ret = e;
break;
}
}
}
return ret;
}
static gboolean submenu_show_timeout(gpointer data)
{
g_assert(menu_frame_visible);
menu_entry_frame_show_submenu((ObMenuEntryFrame*)data);
return FALSE;
}
static gboolean submenu_hide_timeout(gpointer data)
{
g_assert(menu_frame_visible);
menu_frame_hide((ObMenuFrame*)data);
return FALSE;
}
void menu_frame_select(ObMenuFrame *self, ObMenuEntryFrame *entry,
gboolean immediate)
{
ObMenuEntryFrame *old = self->selected;
ObMenuFrame *oldchild = self->child;
ObMenuEntryFrame *oldchild_entry = self->child_entry;
/* if the user selected a separator, ignore it and reselect what we had
selected before */
if (entry && entry->entry->type == OB_MENU_ENTRY_TYPE_SEPARATOR)
entry = old;
if (old == entry &&
(!old || old->entry->type != OB_MENU_ENTRY_TYPE_SUBMENU))
return;
/* if the user left this menu but we have a submenu open, move the
selection back to that submenu */
if (!entry && oldchild_entry)
entry = oldchild_entry;
if (config_submenu_show_delay) {
/* remove any submenu open requests */
if (submenu_show_timer) g_source_remove(submenu_show_timer);
submenu_show_timer = 0;
}
self->selected = entry;
if (old)
menu_entry_frame_render(old);
if (oldchild_entry) {
/* There is an open submenu */
if (oldchild_entry == self->selected) {
/* The open submenu has been reselected, so stop hiding the
submenu */
remove_submenu_hide_timeout(oldchild);
}
else if (oldchild_entry == old) {
/* The open submenu was selected and is no longer, so hide the
submenu */
if (immediate || config_submenu_hide_delay == 0)
menu_frame_hide(oldchild);
else if (config_submenu_hide_delay > 0) {
if (submenu_hide_timer) g_source_remove(submenu_hide_timer);
submenu_hide_timer =
g_timeout_add_full(G_PRIORITY_DEFAULT,
config_submenu_hide_delay,
submenu_hide_timeout, oldchild, NULL);
}
}
}
if (self->selected) {
menu_entry_frame_render(self->selected);
if (self->selected->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
/* only show if the submenu isn't already showing */
if (oldchild_entry != self->selected) {
if (immediate || config_submenu_show_delay == 0)
menu_entry_frame_show_submenu(self->selected);
else if (config_submenu_show_delay > 0) {
if (submenu_show_timer)
g_source_remove(submenu_show_timer);
submenu_show_timer =
g_timeout_add_full(G_PRIORITY_DEFAULT,
config_submenu_show_delay,
submenu_show_timeout,
self->selected, NULL);
}
}
/* hide the grandchildren of this menu. and move the cursor to
the current menu */
else if (immediate && self->child && self->child->child) {
menu_frame_hide(self->child->child);
menu_frame_select(self->child, NULL, TRUE);
}
}
}
}
void menu_entry_frame_show_submenu(ObMenuEntryFrame *self)
{
ObMenuFrame *f;
if (!self->entry->data.submenu.submenu) return;
f = menu_frame_new(self->entry->data.submenu.submenu,
self->entry->data.submenu.show_from,
self->frame->client);
/* pass our direction on to our child */
f->direction_right = self->frame->direction_right;
if (!menu_frame_show_submenu(f, self->frame, self))
menu_frame_free(f);
}
void menu_entry_frame_execute(ObMenuEntryFrame *self, guint state)
{
if (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
self->entry->data.normal.enabled)
{
/* grab all this shizzle, cuz when the menu gets hidden, 'self'
gets freed */
ObMenuEntry *entry = self->entry;
ObMenuExecuteFunc func = self->frame->menu->execute_func;
gpointer data = self->frame->menu->data;
GSList *acts = self->entry->data.normal.actions;
ObClient *client = self->frame->client;
ObMenuFrame *frame = self->frame;
guint mods = obt_keyboard_only_modmasks(state);
/* release grabs before executing the shit */
if (!(mods & ControlMask)) {
event_cancel_all_key_grabs();
frame = NULL;
}
if (func)
func(entry, frame, client, state, data);
else
actions_run_acts(acts, OB_USER_ACTION_MENU_SELECTION,
state, -1, -1, 0, OB_FRAME_CONTEXT_NONE, client);
}
}
void menu_frame_select_previous(ObMenuFrame *self)
{
GList *it = NULL, *start;
if (self->entries) {
start = it = g_list_find(self->entries, self->selected);
while (TRUE) {
ObMenuEntryFrame *e;
it = it ? g_list_previous(it) : g_list_last(self->entries);
if (it == start)
break;
if (it) {
e = it->data;
if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
break;
if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
break;
}
}
}
menu_frame_select(self, it ? it->data : NULL, FALSE);
}
void menu_frame_select_next(ObMenuFrame *self)
{
GList *it = NULL, *start;
if (self->entries) {
start = it = g_list_find(self->entries, self->selected);
while (TRUE) {
ObMenuEntryFrame *e;
it = it ? g_list_next(it) : self->entries;
if (it == start)
break;
if (it) {
e = it->data;
if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
break;
if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
break;
}
}
}
menu_frame_select(self, it ? it->data : NULL, FALSE);
}
void menu_frame_select_first(ObMenuFrame *self)
{
GList *it = NULL;
if (self->entries) {
for (it = self->entries; it; it = g_list_next(it)) {
ObMenuEntryFrame *e = it->data;
if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
break;
if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
break;
}
}
menu_frame_select(self, it ? it->data : NULL, FALSE);
}
void menu_frame_select_last(ObMenuFrame *self)
{
GList *it = NULL;
if (self->entries) {
for (it = g_list_last(self->entries); it; it = g_list_previous(it)) {
ObMenuEntryFrame *e = it->data;
if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
break;
if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
break;
}
}
menu_frame_select(self, it ? it->data : NULL, FALSE);
}
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