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add_window.c
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add_window.c
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/* -*-c-*- */
/* 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, see: <http://www.gnu.org/licenses/>
*/
/* This module is based on Twm, but has been siginificantly modified
* by Rob Nation
*/
/*
* Copyright 1988 by Evans & Sutherland Computer Corporation,
* Salt Lake City, Utah
* Portions Copyright 1989 by the Massachusetts Institute of Technology
* Cambridge, Massachusetts
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that copyright notice and this permis-
* sion notice appear in supporting documentation, and that the
* names of Evans & Sutherland and M.I.T. not be used in advertising
* in publicity pertaining to distribution of the software without
* specific, written prior permission.
*
* EVANS & SUTHERLAND AND M.I.T. DISCLAIM ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
* ABILITY AND FITNESS, IN NO EVENT SHALL EVANS & SUTHERLAND OR
* M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAM-
* AGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
* OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
* OR PERFORMANCE OF THIS SOFTWARE.
*/
/* ---------------------------- included header files ---------------------- */
#include "config.h"
#include <assert.h>
#include <stdio.h>
#include "libs/fvwmlib.h"
#include "libs/FShape.h"
#include "libs/FEvent.h"
#include "libs/Picture.h"
#include "libs/PictureUtils.h"
#include "libs/charmap.h"
#include "libs/wcontext.h"
#include "libs/Grab.h"
#include "libs/Strings.h"
#include "libs/XResource.h"
#include "libs/safemalloc.h"
#include "fvwm.h"
#include "externs.h"
#include "cursor.h"
#include "execcontext.h"
#include "commands.h"
#include "bindings.h"
#include "misc.h"
#include "screen.h"
#include "add_window.h"
#include "events.h"
#include "eventhandler.h"
#include "eventmask.h"
#include "execcontext.h"
#include "module_interface.h"
#include "stack.h"
#include "update.h"
#include "style.h"
#include "icons.h"
#include "ewmh.h"
#include "focus.h"
#include "placement.h"
#include "geometry.h"
#include "session.h"
#include "move_resize.h"
#include "borders.h"
#include "frame.h"
#include "colormaps.h"
#include "decorations.h"
#include "functions.h"
#include "virtual.h"
#include "builtins.h"
#include "expand.h"
/* ---------------------------- local definitions -------------------------- */
/* ---------------------------- local macros ------------------------------- */
/* ---------------------------- imports ------------------------------------ */
/* ---------------------------- included code files ------------------------ */
/* ---------------------------- local types -------------------------------- */
/* ---------------------------- forward declarations ----------------------- */
/* ---------------------------- local variables ---------------------------- */
/* ---------------------------- exported variables (globals) --------------- */
char NoName[] = "Untitled"; /* name if no name in XA_WM_NAME */
char NoClass[] = "NoClass"; /* Class if no res_class in class hints */
char NoResource[] = "NoResource"; /* Class if no res_name in class hints */
/* ---------------------------- local functions ---------------------------- */
static void delete_client_context(FvwmWindow *fw)
{
FvwmWindow *cw;
/* We can not simply delete the context. X might have reused the
* window structure so we would delete the context that was established
* by another FvwmWindow structure in the mean time. */
if (XFindContext(
dpy, FW_W(fw), FvwmContext, (caddr_t *)&cw) !=
XCNOENT && cw == fw)
{
XDeleteContext(dpy, FW_W(fw), FvwmContext);
}
return;
}
/*
*
* Procedure:
* MappedNotOverride - checks to see if we should really
* put a fvwm frame on the window
*
* Returned Value:
* 1 - go ahead and frame the window
* 0 - don't frame the window
*
* Inputs:
* w - the window to check
*
*/
static int MappedNotOverride(
Window w, initial_window_options_t *win_opts)
{
XWindowAttributes wa;
Atom atype;
int aformat;
unsigned long nitems, bytes_remain;
unsigned char *prop;
win_opts->initial_state = DontCareState;
if ((w==Scr.NoFocusWin)||(!XGetWindowAttributes(dpy, w, &wa)))
{
return 0;
}
if (XGetWindowProperty(
dpy,w,_XA_WM_STATE,0L,3L,False,_XA_WM_STATE,
&atype,&aformat,&nitems,&bytes_remain,&prop)==Success)
{
if (prop != NULL)
{
win_opts->initial_state = *(long *)prop;
XFree(prop);
}
}
if (wa.override_redirect == True)
{
XSelectInput(dpy, w, XEVMASK_ORW);
XFlush(dpy);
}
return (((win_opts->initial_state == IconicState) ||
(wa.map_state != IsUnmapped)) &&
(wa.override_redirect != True));
}
static void setup_window_structure(
FvwmWindow **pfw, Window w, FvwmWindow *ReuseWin)
{
FvwmWindow save_state;
FvwmWindow *savewin = NULL;
/* Allocate space for the FvwmWindow struct, or reuse an old one. */
if (ReuseWin == NULL)
{
*pfw = fxmalloc(sizeof(FvwmWindow));
}
else
{
*pfw = ReuseWin;
savewin = &save_state;
memcpy(savewin, ReuseWin, sizeof(FvwmWindow));
}
memset(*pfw, 0, sizeof(FvwmWindow));
FW_W(*pfw) = w;
if (savewin != NULL)
{
(*pfw)->Desk = savewin->Desk;
(*pfw)->m = savewin->m;
SET_SHADED(*pfw, IS_SHADED(savewin));
SET_USED_TITLE_DIR_FOR_SHADING(
*pfw, USED_TITLE_DIR_FOR_SHADING(savewin));
SET_SHADED_DIR(*pfw, SHADED_DIR(savewin));
SET_NAME_CHANGED(*pfw,IS_NAME_CHANGED(savewin));
(*pfw)->placed_by_button = savewin->placed_by_button;
SET_PLACED_BY_FVWM(*pfw, IS_PLACED_BY_FVWM(savewin));
SET_HAS_EWMH_WM_ICON_HINT(*pfw, HAS_EWMH_WM_ICON_HINT(savewin));
(*pfw)->ewmh_mini_icon_width = savewin->ewmh_mini_icon_width;
(*pfw)->ewmh_mini_icon_height = savewin->ewmh_mini_icon_height;
(*pfw)->ewmh_icon_width = savewin->ewmh_icon_width;
(*pfw)->ewmh_icon_height = savewin->ewmh_icon_height;
(*pfw)->ewmh_hint_desktop = savewin->ewmh_hint_desktop;
/* restore ewmh state */
EWMH_SetWMState(savewin, True);
SET_HAS_EWMH_INIT_WM_DESKTOP(
*pfw, HAS_EWMH_INIT_WM_DESKTOP(savewin));
SET_HAS_EWMH_INIT_FULLSCREEN_STATE(
*pfw, HAS_EWMH_INIT_FULLSCREEN_STATE(savewin));
SET_HAS_EWMH_INIT_HIDDEN_STATE(
*pfw, HAS_EWMH_INIT_HIDDEN_STATE(savewin));
SET_HAS_EWMH_INIT_MAXHORIZ_STATE(
*pfw, HAS_EWMH_INIT_MAXHORIZ_STATE(savewin));
SET_HAS_EWMH_INIT_MAXVERT_STATE(
*pfw, HAS_EWMH_INIT_MAXVERT_STATE(savewin));
SET_HAS_EWMH_INIT_SHADED_STATE(
*pfw, HAS_EWMH_INIT_SHADED_STATE(savewin));
SET_HAS_EWMH_INIT_STICKY_STATE(
*pfw, HAS_EWMH_INIT_STICKY_STATE(savewin));
CLEAR_USER_STATES(*pfw, ~0);
SET_USER_STATES(*pfw, GET_USER_STATES(savewin));
}
else
{
/* make sure that new windows *remember* being shaded with
* title dir last */
SET_USED_TITLE_DIR_FOR_SHADING(*pfw,1);
}
(*pfw)->cmap_windows = (Window *)NULL;
if (FMiniIconsSupported)
{
(*pfw)->mini_pixmap_file = NULL;
(*pfw)->mini_icon = NULL;
}
return;
}
static void setup_name_count(FvwmWindow *fw, Bool is_icon)
{
FvwmWindow *t;
int count = 0;
int win_count;
int win_count_counterpart;
Bool done = False;
FlocaleNameString *titlename, *title_counterpart;
FlocaleNameString *t_titlename, *t_title_counterpart;
titlename = (is_icon) ?
&(fw->icon_name) : &(fw->name);
title_counterpart = (is_icon) ?
&(fw->name) : &(fw->icon_name);
if (!titlename->name)
{
done = True;
}
if (titlename->name && title_counterpart->name &&
strcmp(titlename->name, title_counterpart->name) == 0)
{
count = is_icon ? fw->icon_name_count :
fw->name_count;
}
while (!done)
{
done = True;
for (t = Scr.FvwmRoot.next; t != NULL; t = t->next)
{
if (t == fw)
{
continue;
}
win_count = is_icon ? t->icon_name_count :
t->name_count;
win_count_counterpart = is_icon ?
t->name_count : t->icon_name_count;
t_titlename = is_icon ? &(t->icon_name) :
&(t->name);
t_title_counterpart = is_icon ? &(t->name) :
&(t->icon_name);
if ((t_titlename->name &&
strcmp(titlename->name,
t_titlename->name) == 0 &&
win_count == count) ||
(t_title_counterpart->name &&
strcmp(t_title_counterpart->name,
titlename->name) == 0 &&
win_count_counterpart == count))
{
count++;
done = False;
}
}
}
if (is_icon)
{
fw->icon_name_count = count;
} else {
fw->name_count = count;
}
return;
}
static char *interpolate_titleformat_name(
int *ret_bits, FvwmWindow *fw, window_style *style, Bool is_icon)
{
char stringbuf[MAX_VISIBLE_NAME_LEN] = "";
/* Get the title format string. This check should be redundant thanks
* to the checking done in style.c
*/
const char *format;
unsigned short count;
/* MAX_WINDOW_NAME_NUMBER is defined as "999" -- that's three
* characters maximum. win_name_len must be 1 larger for null.
*/
char win_name_len[MAX_WINDOW_NAME_NUMBER_DIGITS+1];
char w_id[12];
*ret_bits = 0;
if (is_icon)
{
format = (style->flags.has_icon_title_format_string) ?
SGET_ICON_TITLE_FORMAT_STRING(*style) :
DEFAULT_ICON_TITLE_FORMAT;
}
else
{
format = (style->flags.has_title_format_string) ?
SGET_TITLE_FORMAT_STRING(*style) :
DEFAULT_TITLE_FORMAT;
}
while (*format)
{
int pos;
for (pos = 0; format[pos] && format[pos] != '%'; pos++)
{
/* nothing */
}
strncat(stringbuf, format, pos);
format += pos;
if (*format != '%')
continue;
format++;
switch (*format)
{
case 'n':
/* format contains the window name */
*ret_bits |= 1;
if (strlen(stringbuf) +
strlen(fw->name.name) >
MAX_VISIBLE_NAME_LEN)
{
fvwm_debug(__func__,
"Visible name is too long based on "
"TitleFormat. Not expanding further.");
break;
}
strlcat(stringbuf, fw->name.name, sizeof(stringbuf));
break;
case 'c':
if (strlen(stringbuf) +
strlen(fw->class.res_class) >
MAX_VISIBLE_NAME_LEN)
{
fvwm_debug(__func__,
"Visible name is too long based on "
"TitleFormat. Not expanding further.");
break;
}
strlcat(stringbuf, fw->class.res_class, sizeof(stringbuf));
break;
case 'i':
/* format contains icon name */
*ret_bits |= 2;
/* Not every application will have an icon
* name set; don't crash trying to dereference
* this if the name doesn't exist.
*/
if (fw->icon_name.name == NULL)
break;
if (strlen(stringbuf) +
strlen(fw->icon_name.name) >
MAX_VISIBLE_NAME_LEN)
{
fvwm_debug(__func__,
"Visible name is too long based on "
"TitleFormat. Not expanding further.");
break;
}
strlcat(stringbuf, fw->icon_name.name, sizeof(stringbuf));
break;
case 'r':
if (strlen(stringbuf) +
strlen(fw->class.res_name) >
MAX_VISIBLE_NAME_LEN)
{
fvwm_debug(__func__,
"Visible name is too long based on "
"TitleFormat. Not expanding further.");
break;
}
strlcat(stringbuf, fw->class.res_name, sizeof(stringbuf));
break;
case 't':
setup_name_count(fw, is_icon);
count = is_icon ? fw->icon_name_count :
fw->name_count;
if (count > (MAX_WINDOW_NAME_NUMBER - 1))
count = MAX_WINDOW_NAME_NUMBER - 1;
snprintf(win_name_len, sizeof(win_name_len), "%hu", ++count);
strlcat(stringbuf, win_name_len, sizeof(stringbuf));
break;
case 'I':
snprintf(w_id, sizeof(w_id), "0x%x", (int)FW_W(fw));
strlcat(stringbuf, w_id, sizeof(stringbuf));
break;
case '%':
strlcat(stringbuf, "%", sizeof(stringbuf));
break;
default:
break;
}
if (*format)
format++;
}
/* Now allocate our string. */
return strdup(stringbuf);
}
static void setup_class_and_resource(FvwmWindow *fw)
{
/* removing NoClass change for now... */
fw->class.res_name = NoResource;
fw->class.res_class = NoClass;
XGetClassHint(dpy, FW_W(fw), &fw->class);
if (fw->class.res_name == NULL)
{
fw->class.res_name = NoResource;
}
if (fw->class.res_class == NULL)
{
fw->class.res_class = NoClass;
}
FetchWmProtocols (fw);
FetchWmColormapWindows (fw);
return;
}
static void setup_window_attr(
FvwmWindow *fw, XWindowAttributes *ret_attr)
{
if (XGetWindowAttributes(dpy, FW_W(fw), ret_attr) == 0)
{
/* can't happen because fvwm has grabbed the server and does
* not destroy the window itself */
}
fw->attr_backup.backing_store = ret_attr->backing_store;
fw->attr_backup.border_width = ret_attr->border_width;
fw->attr_backup.depth = ret_attr->depth;
fw->attr_backup.bit_gravity = ret_attr->bit_gravity;
fw->attr_backup.is_bit_gravity_stored = 0;
fw->attr_backup.visual = ret_attr->visual;
fw->attr_backup.colormap = ret_attr->colormap;
return;
}
static void destroy_window_font(FvwmWindow *fw)
{
if (IS_WINDOW_FONT_LOADED(fw) && !USING_DEFAULT_WINDOW_FONT(fw) &&
fw->title_font != Scr.DefaultFont)
{
FlocaleUnloadFont(dpy, fw->title_font);
}
SET_WINDOW_FONT_LOADED(fw, 0);
/* Fall back to default font. There are some race conditions when a
* window is destroyed and recaptured where an invalid font might be
* accessed otherwise. */
fw->title_font = Scr.DefaultFont;
SET_USING_DEFAULT_WINDOW_FONT(fw, 1);
return;
}
static void destroy_icon_font(FvwmWindow *fw)
{
if (IS_ICON_FONT_LOADED(fw) && !USING_DEFAULT_ICON_FONT(fw) &&
fw->icon_font != Scr.DefaultFont)
{
FlocaleUnloadFont(dpy, fw->icon_font);
}
SET_ICON_FONT_LOADED(fw, 0);
/* Fall back to default font (see comment above). */
fw->icon_font = Scr.DefaultFont;
SET_USING_DEFAULT_ICON_FONT(fw, 1);
return;
}
static void adjust_fvwm_internal_windows(FvwmWindow *fw)
{
if (fw == Scr.Hilite)
{
Scr.Hilite = NULL;
}
update_last_screen_focus_window(fw);
restore_focus_after_unmap(fw, False);
frame_destroyed_frame(FW_W(fw));
if (fw == Scr.StolenFocusFvwmWin)
{
Scr.StolenFocusWin = None;
Scr.StolenFocusFvwmWin = NULL;
}
if (Scr.focus_in_pending_window == fw)
{
Scr.focus_in_pending_window = NULL;
}
if (Scr.focus_in_requested_window == fw)
{
Scr.focus_in_requested_window = NULL;
}
if (Scr.cascade_window == fw)
{
Scr.cascade_window = NULL;
}
return;
}
static void broadcast_mini_icon(FvwmWindow *fw)
{
if (!FMiniIconsSupported)
{
return;
}
if (fw->mini_pixmap_file && fw->mini_icon)
{
BroadcastFvwmPicture(
M_MINI_ICON,
FW_W(fw), FW_W_FRAME(fw), (unsigned long)fw,
fw->mini_icon, fw->mini_pixmap_file);
}
return;
}
static void setup_mini_icon(FvwmWindow *fw, window_style *pstyle)
{
FvwmPictureAttributes fpa;
if (!FMiniIconsSupported)
{
return;
}
if (SHAS_MINI_ICON(&pstyle->flags))
{
fw->mini_pixmap_file = SGET_MINI_ICON_NAME(*pstyle);
}
else
{
fw->mini_pixmap_file = NULL;
}
if (fw->mini_pixmap_file)
{
fpa.mask = 0;
fw->mini_icon = PCacheFvwmPicture(
dpy, Scr.NoFocusWin, NULL, fw->mini_pixmap_file, fpa);
}
else
{
fw->mini_icon = NULL;
}
return;
}
/*
* Copy icon size limits from window_style structure to FvwmWindow
* structure.
*/
void setup_icon_size_limits(FvwmWindow *fw, window_style *pstyle)
{
if (SHAS_ICON_SIZE_LIMITS(&pstyle->flags))
{
fw->min_icon_width = SGET_MIN_ICON_WIDTH(*pstyle);
fw->min_icon_height = SGET_MIN_ICON_HEIGHT(*pstyle);
fw->max_icon_width = SGET_MAX_ICON_WIDTH(*pstyle);
fw->max_icon_height = SGET_MAX_ICON_HEIGHT(*pstyle);
fw->icon_resize_type = SGET_ICON_RESIZE_TYPE(*pstyle);
}
else
{
fw->min_icon_width = MIN_ALLOWABLE_ICON_DIMENSION;
fw->min_icon_height = MIN_ALLOWABLE_ICON_DIMENSION;
fw->max_icon_width = MAX_ALLOWABLE_ICON_DIMENSION;
fw->max_icon_height = MAX_ALLOWABLE_ICON_DIMENSION;
fw->icon_resize_type = ICON_RESIZE_TYPE_NONE;
}
return;
}
void setup_icon_background_parameters(FvwmWindow *fw, window_style *pstyle)
{
if (SHAS_ICON_BACKGROUND_PADDING(&pstyle->flags))
{
fw->icon_background_padding =
SGET_ICON_BACKGROUND_PADDING(*pstyle);
}
else
{
fw->icon_background_padding = ICON_BACKGROUND_PADDING;
}
if (SHAS_ICON_BACKGROUND_RELIEF(&pstyle->flags))
{
fw->icon_background_relief =
SGET_ICON_BACKGROUND_RELIEF(*pstyle);
}
else
{
fw->icon_background_relief = ICON_RELIEF_WIDTH;
}
return;
}
void setup_icon_title_parameters(FvwmWindow *fw, window_style *pstyle)
{
if (SHAS_ICON_TITLE_RELIEF(&pstyle->flags))
{
fw->icon_title_relief =
SGET_ICON_TITLE_RELIEF(*pstyle);
}
else
{
fw->icon_title_relief = ICON_RELIEF_WIDTH;
}
return;
}
void setup_numeric_vals(FvwmWindow *fw, window_style *pstyle)
{
/****** window shading ******/
fw->shade_anim_steps = pstyle->shade_anim_steps;
/****** snapattraction, snapgrid, paging ******/
fw->snap_attraction.proximity = pstyle->snap_attraction.proximity;
fw->snap_attraction.mode = pstyle->snap_attraction.mode;
fw->snap_grid_x = pstyle->snap_grid_x;
fw->snap_grid_y = pstyle->snap_grid_y;
if (pstyle->flags.has_edge_delay_ms_move)
{
fw->edge_delay_ms_move = pstyle->edge_delay_ms_move;
}
else
{
fw->edge_delay_ms_move = DEFAULT_MOVE_DELAY;
}
if (pstyle->flags.has_edge_delay_ms_resize)
{
fw->edge_delay_ms_resize = pstyle->edge_delay_ms_resize;
}
else
{
fw->edge_delay_ms_resize = DEFAULT_RESIZE_DELAY;
}
fw->edge_resistance_move = pstyle->edge_resistance_move;
fw->edge_resistance_screen_move = pstyle->edge_resistance_screen_move;
return;
}
static void setup_frame_window(
FvwmWindow *fw)
{
XSetWindowAttributes attributes;
int valuemask;
int depth;
Visual *visual;
FRenderPictFormat *format;
valuemask = CWBackingStore | CWBackPixmap | CWEventMask | CWSaveUnder
| CWCursor;
/* This adds preliminary support for ARGB windows in fvwm. It should
evolve to proper ARGB support in frames, menus and modules */
format=FRenderFindVisualFormat(dpy, fw->attr_backup.visual);
if (format != NULL && format->type == FRenderPictTypeDirect &&
format->direct.alphaMask > 0)
{
depth = fw->attr_backup.depth;
visual = fw->attr_backup.visual;
attributes.colormap = fw->attr_backup.colormap;
attributes.background_pixel = -1;
attributes.border_pixel = -1;
valuemask |= CWColormap | CWBackPixel | CWBorderPixel;
}
else
{
depth = CopyFromParent;
visual = CopyFromParent;
}
attributes.backing_store = NotUseful;
attributes.background_pixmap = None;
attributes.cursor = Scr.FvwmCursors[CRS_DEFAULT];
attributes.event_mask = XEVMASK_FRAMEW_CAPTURE;
attributes.save_under = False;
/* create the frame window, child of root, grandparent of client */
FW_W_FRAME(fw) = XCreateWindow(
dpy, Scr.Root, fw->g.frame.x, fw->g.frame.y,
fw->g.frame.width, fw->g.frame.height, 0, depth,
InputOutput, visual, valuemask, &attributes);
XSaveContext(dpy, FW_W(fw), FvwmContext, (caddr_t) fw);
XSaveContext(dpy, FW_W_FRAME(fw), FvwmContext, (caddr_t) fw);
return;
}
static void setup_title_window(
FvwmWindow *fw, int valuemask, XSetWindowAttributes *pattributes)
{
valuemask |= CWCursor | CWEventMask;
pattributes->cursor = Scr.FvwmCursors[CRS_TITLE];
pattributes->event_mask = XEVMASK_TITLEW;
FW_W_TITLE(fw) = XCreateWindow(
dpy, FW_W_FRAME(fw), 0, 0, 1, 1, 0, Pdepth, InputOutput,
Pvisual, valuemask, pattributes);
XSaveContext(dpy, FW_W_TITLE(fw), FvwmContext, (caddr_t) fw);
return;
}
static void destroy_title_window(FvwmWindow *fw, Bool do_only_delete_context)
{
if (!do_only_delete_context)
{
XDestroyWindow(dpy, FW_W_TITLE(fw));
FW_W_TITLE(fw) = None;
}
XDeleteContext(dpy, FW_W_TITLE(fw), FvwmContext);
XFlush(dpy);
FW_W_TITLE(fw) = None;
return;
}
static void change_title_window(
FvwmWindow *fw, int valuemask, XSetWindowAttributes *pattributes)
{
if (HAS_TITLE(fw) && FW_W_TITLE(fw) == None)
{
setup_title_window(fw, valuemask, pattributes);
}
else if (!HAS_TITLE(fw) && FW_W_TITLE(fw) != None)
{
destroy_title_window(fw, False);
}
return;
}
static void setup_button_windows(
FvwmWindow *fw, int valuemask, XSetWindowAttributes *pattributes,
short buttons)
{
int i;
Bool has_button;
Bool is_deleted = False;
valuemask |= CWCursor | CWEventMask;
pattributes->cursor = Scr.FvwmCursors[CRS_SYS];
pattributes->event_mask = XEVMASK_BUTTONW;
for (i = 0; i < NUMBER_OF_TITLE_BUTTONS; i++)
{
has_button = (((!(i & 1) && i / 2 < Scr.nr_left_buttons) ||
( (i & 1) && i / 2 < Scr.nr_right_buttons)) &&
(buttons & (1 << i)));
if (FW_W_BUTTON(fw, i) == None && has_button)
{
FW_W_BUTTON(fw, i) =
XCreateWindow(
dpy, FW_W_FRAME(fw), 0, 0, 1, 1, 0,
Pdepth, InputOutput, Pvisual,
valuemask, pattributes);
XSaveContext(
dpy, FW_W_BUTTON(fw, i), FvwmContext,
(caddr_t)fw);
}
else if (FW_W_BUTTON(fw, i) != None && !has_button)
{
/* destroy the current button window */
XDestroyWindow(dpy, FW_W_BUTTON(fw, i));
XDeleteContext(dpy, FW_W_BUTTON(fw, i), FvwmContext);
is_deleted = True;
FW_W_BUTTON(fw, i) = None;
}
}
if (is_deleted == True)
{
XFlush(dpy);
}
return;
}
static void destroy_button_windows(FvwmWindow *fw, Bool do_only_delete_context)
{
int i;
Bool is_deleted = False;
for (i = 0; i < NUMBER_OF_TITLE_BUTTONS; i++)
{
if (FW_W_BUTTON(fw, i) != None)
{
if (!do_only_delete_context)
{
XDestroyWindow(dpy, FW_W_BUTTON(fw, i));
FW_W_BUTTON(fw, i) = None;
}
XDeleteContext(dpy, FW_W_BUTTON(fw, i), FvwmContext);
is_deleted = True;
FW_W_BUTTON(fw, i) = None;
}
}
if (is_deleted == True)
{
XFlush(dpy);
}
return;
}
static void change_button_windows(
FvwmWindow *fw, int valuemask, XSetWindowAttributes *pattributes,
short buttons)
{
if (HAS_TITLE(fw))
{
setup_button_windows(
fw, valuemask, pattributes, buttons);
}
else
{
destroy_button_windows(fw, False);
}
return;
}
static void setup_parent_window(FvwmWindow *fw)
{
size_borders b;
XSetWindowAttributes attributes;
int valuemask;
valuemask = CWBackingStore | CWBackPixmap | CWCursor | CWEventMask |
CWSaveUnder;
attributes.backing_store = NotUseful;
attributes.background_pixmap = None;
attributes.cursor = Scr.FvwmCursors[CRS_DEFAULT];
attributes.event_mask = XEVMASK_PARENTW;
attributes.save_under = False;
/* This window is exactly the same size as the client for the benefit
* of some clients */
get_window_borders(fw, &b);
FW_W_PARENT(fw) = XCreateWindow(
dpy, FW_W_FRAME(fw), b.top_left.width, b.top_left.height,
fw->g.frame.width - b.total_size.width,
fw->g.frame.height - b.total_size.height,
0, CopyFromParent, InputOutput, CopyFromParent, valuemask,
&attributes);
XSaveContext(dpy, FW_W_PARENT(fw), FvwmContext, (caddr_t) fw);
return;
}
static void setup_resize_handle_cursors(FvwmWindow *fw)
{
unsigned long valuemask;
XSetWindowAttributes attributes;
int i;
if (HAS_NO_BORDER(fw))
{
return;
}
valuemask = CWCursor;
attributes.cursor = Scr.FvwmCursors[CRS_DEFAULT];
for (i = 0; i < 4; i++)
{
if (HAS_HANDLES(fw))
{
attributes.cursor = Scr.FvwmCursors[CRS_TOP_LEFT + i];
}
XChangeWindowAttributes(
dpy, FW_W_CORNER(fw, i), valuemask, &attributes);
if (HAS_HANDLES(fw))
{
attributes.cursor = Scr.FvwmCursors[CRS_TOP + i];
}
XChangeWindowAttributes(
dpy, FW_W_SIDE(fw, i), valuemask, &attributes);
}
return;
}
static void setup_resize_handle_windows(FvwmWindow *fw)
{
unsigned long valuemask;
XSetWindowAttributes attributes;
int i;
int c_grav[4] = {
NorthWestGravity,
NorthEastGravity,
SouthWestGravity,
SouthEastGravity
};
int s_grav[4] = {
NorthWestGravity,
NorthEastGravity,
SouthWestGravity,
NorthWestGravity
};
if (HAS_NO_BORDER(fw))
{
return;
}
valuemask = CWEventMask | CWBackingStore | CWSaveUnder | CWWinGravity |
CWBorderPixel | CWColormap;
attributes.event_mask = XEVMASK_BORDERW;
attributes.backing_store = NotUseful;
attributes.save_under = False;
attributes.border_pixel = 0;
attributes.colormap = Pcmap;
/* Just dump the windows any old place and let frame_setup_window take
* care of the mess */
for (i = 0; i < 4; i++)
{
attributes.win_gravity = c_grav[i];
FW_W_CORNER(fw, i) = XCreateWindow(
dpy, FW_W_FRAME(fw), -1, -1, 1, 1, 0, Pdepth,
InputOutput, Pvisual, valuemask, &attributes);
XSaveContext(
dpy, FW_W_CORNER(fw, i), FvwmContext, (caddr_t)fw);
attributes.win_gravity = s_grav[i];
FW_W_SIDE(fw, i) = XCreateWindow(
dpy, FW_W_FRAME(fw), -1, -1, 1, 1, 0, Pdepth,
InputOutput, Pvisual, valuemask, &attributes);
XSaveContext(dpy, FW_W_SIDE(fw, i), FvwmContext, (caddr_t)fw);