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wmaker/src/client.c
kojima 956c167bbf er.. dunno
2000-03-10 18:40:13 +00:00

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/*
* Window Maker window manager
*
* Copyright (c) 1997, 1998 Alfredo K. Kojima
*
* 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/Xatom.h>
#ifdef SHAPE
#include <X11/extensions/shape.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "WindowMaker.h"
#include "wcore.h"
#include "framewin.h"
#include "window.h"
#include "properties.h"
#include "actions.h"
#include "icon.h"
#include "client.h"
#include "funcs.h"
#include "stacking.h"
#include "appicon.h"
#include "appmenu.h"
#ifdef KWM_HINTS
#include "kwm.h"
#endif
/****** Global Variables ******/
/* contexts */
extern XContext wWinContext;
extern Atom _XA_WM_STATE;
extern Atom _XA_WM_PROTOCOLS;
extern Atom _XA_WM_COLORMAP_WINDOWS;
extern Atom _XA_WINDOWMAKER_MENU;
extern Atom _XA_GNUSTEP_WM_ATTR;
extern Atom _XA_GNUSTEP_WM_RESIZEBAR;
#ifdef SHAPE
extern Bool wShapeSupported;
#endif
/*
*--------------------------------------------------------------------
* wClientRestore--
* Reparent the window back to the root window.
*
*--------------------------------------------------------------------
*/
void
wClientRestore(WWindow *wwin)
{
#if 0
int gx, gy;
wClientGetGravityOffsets(wwin, &gx, &gy);
/* set the positio of the frame on screen */
wwin->frame_x -= gx * FRAME_BORDER_WIDTH;
wwin->frame_y -= gy * FRAME_BORDER_WIDTH;
/* if gravity is to the south, account for the border sizes */
if (gy > 0)
wwin->frame_y += (wwin->frame->top_width + wwin->frame->bottom_width);
#endif
XSetWindowBorderWidth(dpy, wwin->client_win, wwin->old_border_width);
XReparentWindow(dpy, wwin->client_win, wwin->screen_ptr->root_win,
wwin->frame_x, wwin->frame_y);
/* don't let the window get iconified after restart */
/*
if (wwin->flags.shaded)
wClientSetState(wwin, NormalState, None);
*/
}
/*
*----------------------------------------------------------------------
* wClientSetState--
* Set the state of the client window to one of the window
* states defined in ICCCM (Iconic, Withdrawn, Normal)
*
* Side effects:
* The WM_STATE property of the window is updated as well as the
* WWindow.state variable.
*----------------------------------------------------------------------
*/
void
wClientSetState(WWindow *wwin, int state, Window icon_win)
{
CARD32 data[2];
wwin->state = state;
data[0] = (unsigned long) state;
data[1] = (unsigned long) icon_win;
XChangeProperty(dpy, wwin->client_win, _XA_WM_STATE, _XA_WM_STATE, 32,
PropModeReplace, (unsigned char *) data, 2);
}
void
wClientGetGravityOffsets(WWindow *wwin, int *ofs_x, int *ofs_y)
{
switch (wwin->normal_hints->win_gravity) {
case ForgetGravity:
case CenterGravity:
case StaticGravity:
*ofs_x = 0;
*ofs_y = 0;
break;
case NorthWestGravity:
*ofs_x = -1;
*ofs_y = -1;
break;
case NorthGravity:
*ofs_x = 0;
*ofs_y = -1;
break;
case NorthEastGravity:
*ofs_x = 1;
*ofs_y = -1;
break;
case WestGravity:
*ofs_x = -1;
*ofs_y = 0;
break;
case EastGravity:
*ofs_x = 1;
*ofs_y = 0;
break;
case SouthWestGravity:
*ofs_x = -1;
*ofs_y = 1;
break;
case SouthGravity:
*ofs_x = 0;
*ofs_y = 1;
break;
case SouthEastGravity:
*ofs_x = 1;
*ofs_y = 1;
break;
}
}
void
wClientConfigure(WWindow *wwin, XConfigureRequestEvent *xcre)
{
XWindowChanges xwc;
int nx, ny, nwidth, nheight;
int ofs_x, ofs_y;
if (wwin==NULL) {
/*
* configure a window that was not mapped by us
*/
xwc.x = xcre->x;
xwc.y = xcre->y;
xwc.width = xcre->width;
xwc.height = xcre->height;
xwc.border_width = xcre->border_width;
xwc.stack_mode = xcre->detail;
xwc.sibling = xcre->above;
XConfigureWindow(dpy, xcre->window, xcre->value_mask, &xwc);
return;
}
#ifdef SHAPE
if (wShapeSupported) {
int junk;
unsigned int ujunk;
int b_shaped;
XShapeSelectInput(dpy, wwin->client_win, ShapeNotifyMask);
XShapeQueryExtents(dpy, wwin->client_win, &b_shaped, &junk, &junk,
&ujunk, &ujunk, &junk, &junk, &junk, &ujunk,
&ujunk);
wwin->flags.shaped = b_shaped;
}
#endif
if (xcre->value_mask & CWStackMode) {
WObjDescriptor *desc;
WWindow *sibling;
if ((xcre->value_mask & CWSibling) &&
(XFindContext(dpy, xcre->above, wWinContext,
(XPointer *)&desc) == XCSUCCESS)
&& (desc->parent_type==WCLASS_WINDOW)) {
sibling=desc->parent;
xwc.sibling = sibling->frame->core->window;
} else {
xwc.sibling = xcre->above;
}
xwc.stack_mode = xcre->detail;
XConfigureWindow(dpy, wwin->frame->core->window,
xcre->value_mask & (CWSibling | CWStackMode), &xwc);
/* fix stacking order */
RemakeStackList(wwin->screen_ptr);
}
wClientGetGravityOffsets(wwin, &ofs_x, &ofs_y);
if (xcre->value_mask & CWBorderWidth) {
wwin->old_border_width = xcre->border_width;
}
if (!wwin->flags.shaded) {
/* If the window is shaded, wrong height will be set for the window */
if (xcre->value_mask & CWX) {
nx = xcre->x;
if (!WFLAGP(wwin, no_border))
nx -= FRAME_BORDER_WIDTH;
}
else
nx = wwin->frame_x;
if (xcre->value_mask & CWY) {
ny = xcre->y - ((ofs_y < 0) ? 0 : wwin->frame->top_width);
if (!WFLAGP(wwin, no_border))
ny -= FRAME_BORDER_WIDTH;
}
else
ny = wwin->frame_y;
if (xcre->value_mask & CWWidth)
nwidth = xcre->width;
else
nwidth = wwin->frame->core->width;
if (xcre->value_mask & CWHeight)
nheight = xcre->height;
else
nheight = wwin->frame->core->height - wwin->frame->top_width - wwin->frame->bottom_width;
wWindowConfigure(wwin, nx, ny, nwidth, nheight);
wwin->old_geometry.x = nx;
wwin->old_geometry.y = ny;
wwin->old_geometry.width = nwidth;
wwin->old_geometry.height = nheight;
}
}
void
wClientSendProtocol(WWindow *wwin, Atom protocol, Time time)
{
XEvent event;
event.xclient.type = ClientMessage;
event.xclient.message_type = _XA_WM_PROTOCOLS;
event.xclient.format = 32;
event.xclient.display = dpy;
event.xclient.window = wwin->client_win;
event.xclient.data.l[0] = protocol;
event.xclient.data.l[1] = time;
event.xclient.data.l[2] = 0;
event.xclient.data.l[3] = 0;
XSendEvent(dpy, wwin->client_win, False, NoEventMask, &event);
XSync(dpy, False);
}
void
wClientKill(WWindow *wwin)
{
XKillClient(dpy, wwin->client_win);
XFlush(dpy);
}
/*
*----------------------------------------------------------------------
* wClientCheckProperty--
* Handles PropertyNotify'es, verifying which property was
* changed and updating internal state according to that, like redrawing
* the icon title when it is changed.
*
* Side effects:
* Depends on the changed property.
*
* TODO: _GNUSTEP_WM_ATTR
*----------------------------------------------------------------------
*/
void
wClientCheckProperty(WWindow *wwin, XPropertyEvent *event)
{
XWindowAttributes attribs;
XWMHints *new_hints;
int i, g1, g2;
char *tmp;
switch (event->atom) {
case XA_WM_NAME:
/* window title was changed */
wwin->flags.wm_name_changed = 1;
if (wwin->frame) {
if (!wFetchName(dpy, wwin->client_win, &tmp)) {
/* the hint was removed */
tmp = wstrdup(DEF_WINDOW_TITLE);
#ifdef KWM_HINTS
wKWMSendEventMessage(wwin, WKWMChangedClient);
#endif
}
if (wFrameWindowChangeTitle(wwin->frame, tmp)) {
/* only update the menu if the title has actually changed */
UpdateSwitchMenu(wwin->screen_ptr, wwin, ACTION_CHANGE);
#ifdef KWM_HINTS
wKWMSendEventMessage(wwin, WKWMChangedClient);
#endif
}
if (tmp)
free(tmp);
}
break;
case XA_WM_ICON_NAME:
#ifdef KWM_HINTS
wKWMSendEventMessage(wwin, WKWMChangedClient);
#endif
if (!wwin->icon)
break;
else {
char *new_title;
/* icon title was changed */
wGetIconName(dpy, wwin->client_win, &new_title);
wIconChangeTitle(wwin->icon, new_title);
}
break;
case XA_WM_COMMAND:
if (wwin->main_window!=None) {
WApplication *wapp = wApplicationOf(wwin->main_window);
char **argv;
int argc;
if (wapp && wapp->app_icon) {
if (wapp->app_icon->command!=NULL)
free(wapp->app_icon->command);
if (XGetCommand(dpy, wwin->main_window, &argv, &argc)) {
if (argc > 0 && argv != NULL)
wapp->app_icon->command = FlattenStringList(argv,argc);
if (argv) {
XFreeStringList(argv);
}
}
}
}
break;
case XA_WM_HINTS:
/* WM_HINTS */
new_hints = XGetWMHints(dpy, wwin->client_win);
/* group leader update
*
* This means that the window is setting the leader after
* it was mapped, changing leaders or removing the leader.
*
* Valid state transitions are:
*
* _1 __2
* / \ / \
* v | v |
* (GC) (GC')
* / ^ / ^
* 3| |4 5| |6
* | | | |
* v / v /
* (G'C) (G'C')
*
* Where G is the window_group hint, C is CLIENT_LEADER property
* and ' indicates the hint is unset.
*
* 1,2 - change group leader to new value of window_group
* 3 - change leader to value of CLIENT_LEADER
* 4 - change leader to value of window_group
* 5 - destroy application
* 6 - create application
*/
if (new_hints && (new_hints->flags & WindowGroupHint)
&& new_hints->window_group!=None) {
g2 = 1;
} else {
g2 = 0;
}
if (wwin->wm_hints && (wwin->wm_hints->flags & WindowGroupHint)
&& wwin->wm_hints->window_group!=None) {
g1 = 1;
} else {
g1 = 0;
}
if (wwin->client_leader) {
if (g1 && g2
&& wwin->wm_hints->window_group!=new_hints->window_group) {
i = 1;
} else if (g1 && !g2) {
i = 3;
} else if (!g1 && g2) {
i = 4;
} else {
i = 0;
}
} else {
if (g1 && g2
&& wwin->wm_hints->window_group!=new_hints->window_group) {
i = 2;
} else if (g1 && !g2) {
i = 5;
} else if (!g1 && g2) {
i = 6;
} else {
i = 0;
}
}
if (wwin->wm_hints)
XFree(wwin->wm_hints);
wwin->wm_hints = new_hints;
/* do action according to state transition */
switch (i) {
/* 3 - change leader to value of CLIENT_LEADER */
case 3:
wApplicationDestroy(wApplicationOf(wwin->main_window));
wwin->main_window = wwin->client_leader;
wwin->group_id = None;
wApplicationCreate(wwin->screen_ptr, wwin->main_window);
break;
/* 1,2,4 - change leader to new value of window_group */
case 1:
case 2:
case 4:
wApplicationDestroy(wApplicationOf(wwin->main_window));
wwin->main_window = new_hints->window_group;
wwin->group_id = wwin->main_window;
wApplicationCreate(wwin->screen_ptr, wwin->main_window);
break;
/* 5 - destroy application */
case 5:
wApplicationDestroy(wApplicationOf(wwin->main_window));
wwin->main_window = None;
wwin->group_id = None;
break;
/* 6 - create application */
case 6:
wwin->main_window = new_hints->window_group;
wwin->group_id = wwin->main_window;
wApplicationCreate(wwin->screen_ptr, wwin->main_window);
break;
}
#ifdef DEBUG
if (i) {
printf("window leader update caused state transition %i\n",i);
}
#endif
if (wwin->wm_hints) {
/* update icon */
if ((wwin->wm_hints->flags & IconPixmapHint)
|| (wwin->wm_hints->flags & IconWindowHint)) {
WApplication *wapp;
if (wwin->flags.miniaturized && wwin->icon) {
wIconUpdate(wwin->icon);
}
wapp = wApplicationOf(wwin->main_window);
if (wapp && wapp->app_icon) {
wIconUpdate(wapp->app_icon->icon);
}
#ifdef KWM_HINTS
wKWMSendEventMessage(wwin, WKWMIconChange);
#endif
}
if (wwin->wm_hints->flags & UrgencyHint)
wwin->flags.urgent = 1;
else
wwin->flags.urgent = 0;
} else {
wwin->group_id = None;
}
break;
case XA_WM_NORMAL_HINTS:
/* normal (geometry) hints */
{
int foo;
unsigned bar;
XGetWindowAttributes(dpy, wwin->client_win, &attribs);
wClientGetNormalHints(wwin, &attribs, False, &foo, &foo,
&bar, &bar);
/* TODO: should we check for consistency of the current
* size against the new geometry hints? */
}
break;
case XA_WM_TRANSIENT_FOR:
{
Window new_owner;
WWindow *owner;
if (!XGetTransientForHint(dpy, wwin->client_win, &new_owner)) {
new_owner = None;
} else {
if (new_owner==0 || new_owner == wwin->client_win) {
new_owner = wwin->screen_ptr->root_win;
}
}
if (new_owner!=wwin->transient_for) {
owner = wWindowFor(wwin->transient_for);
if (owner) {
if (owner->flags.semi_focused) {
owner->flags.semi_focused = 0;
if ((owner->flags.mapped || owner->flags.shaded)
&& owner->frame)
wFrameWindowPaint(owner->frame);
}
}
owner = wWindowFor(new_owner);
if (owner) {
if (!owner->flags.semi_focused) {
owner->flags.semi_focused = 1;
if ((owner->flags.mapped || owner->flags.shaded)
&& owner->frame)
wFrameWindowPaint(owner->frame);
}
}
wwin->transient_for = new_owner;
if (new_owner==None) {
if (WFLAGP(wwin, no_miniaturizable)) {
WSETUFLAG(wwin, no_miniaturizable, 0);
WSETUFLAG(wwin, no_miniaturize_button, 0);
if (wwin->frame)
wWindowConfigureBorders(wwin);
}
} else if (!WFLAGP(wwin, no_miniaturizable)) {
WSETUFLAG(wwin, no_miniaturizable, 1);
WSETUFLAG(wwin, no_miniaturize_button, 1);
if (wwin->frame)
wWindowConfigureBorders(wwin);
}
}
}
break;
default:
if (event->atom==_XA_WM_PROTOCOLS) {
PropGetProtocols(wwin->client_win, &wwin->protocols);
WSETUFLAG(wwin, kill_close, !wwin->protocols.DELETE_WINDOW);
if (wwin->frame)
wWindowUpdateButtonImages(wwin);
} else if (event->atom==_XA_WM_COLORMAP_WINDOWS) {
GetColormapWindows(wwin);
wColormapInstallForWindow(wwin->screen_ptr, wwin);
} else if (event->atom==_XA_WINDOWMAKER_MENU) {
WApplication *wapp;
wapp = wApplicationOf(wwin->main_window);
if (wapp) {
if (wapp->menu) {
/* update menu */
/* TODO: remake appmenu update */
wAppMenuDestroy(wapp->menu);
}
wapp->menu = wAppMenuGet(wwin->screen_ptr, wwin->main_window);
/* make the appmenu be mapped */
wSetFocusTo(wwin->screen_ptr, NULL);
wSetFocusTo(wwin->screen_ptr,
wwin->screen_ptr->focused_window);
}
} else if (event->atom==_XA_GNUSTEP_WM_ATTR) {
GNUstepWMAttributes *attr;
PropGetGNUstepWMAttr(wwin->client_win, &attr);
wWindowUpdateGNUstepAttr(wwin, attr);
XFree(attr);
} else {
#ifdef KWM_HINTS
Bool done;
done = wKWMCheckClientHintChange(wwin, event);
#endif /* KWM_HINTS */
}
}
}
/*
*----------------------------------------------------------------------
* wClientGetNormalHints--
* Get size (normal) hints and a default geometry for the client
* window. The hints are also checked for inconsistency. If geometry is
* True, the returned data will account for client specified initial
* geometry.
*
* Side effects:
* normal_hints is filled with valid data.
*----------------------------------------------------------------------
*/
void
wClientGetNormalHints(WWindow *wwin, XWindowAttributes *wattribs, Bool geometry,
int *x, int *y, unsigned *width, unsigned *height)
{
int pre_icccm = 0; /* not used */
/* find a position for the window */
if (!wwin->normal_hints)
wwin->normal_hints = XAllocSizeHints();
if (!PropGetNormalHints(wwin->client_win, wwin->normal_hints, &pre_icccm)) {
wwin->normal_hints->flags = 0;
}
*x = wattribs->x;
*y = wattribs->y;
*width = wattribs->width;
*height = wattribs->height;
if (!(wwin->normal_hints->flags & PWinGravity)) {
wwin->normal_hints->win_gravity = NorthWestGravity;
}
if (!(wwin->normal_hints->flags & PMinSize)) {
wwin->normal_hints->min_width = MIN_WINDOW_SIZE;
wwin->normal_hints->min_height = MIN_WINDOW_SIZE;
}
if (!(wwin->normal_hints->flags & PBaseSize)) {
wwin->normal_hints->base_width = 0;
wwin->normal_hints->base_height = 0;
}
if (!(wwin->normal_hints->flags & PMaxSize)) {
wwin->normal_hints->max_width = wwin->screen_ptr->scr_width*2;
wwin->normal_hints->max_height = wwin->screen_ptr->scr_height*2;
}
/* some buggy apps set weird hints.. */
if (wwin->normal_hints->min_width <= 0)
wwin->normal_hints->min_width = MIN_WINDOW_SIZE;
if (wwin->normal_hints->min_height <= 0)
wwin->normal_hints->min_height = MIN_WINDOW_SIZE;
if (wwin->normal_hints->max_width < wwin->normal_hints->min_width)
wwin->normal_hints->max_width = wwin->normal_hints->min_width;
if (wwin->normal_hints->max_height < wwin->normal_hints->min_height)
wwin->normal_hints->max_height = wwin->normal_hints->min_height;
if (!(wwin->normal_hints->flags & PResizeInc)) {
wwin->normal_hints->width_inc = 1;
wwin->normal_hints->height_inc = 1;
} else {
if (wwin->normal_hints->width_inc <= 0)
wwin->normal_hints->width_inc = 1;
if (wwin->normal_hints->height_inc <= 0)
wwin->normal_hints->height_inc = 1;
}
if (wwin->normal_hints->flags & PAspect) {
if (wwin->normal_hints->min_aspect.x < 1)
wwin->normal_hints->min_aspect.x = 1;
if (wwin->normal_hints->min_aspect.y < 1)
wwin->normal_hints->min_aspect.y = 1;
if (wwin->normal_hints->max_aspect.x < 1)
wwin->normal_hints->max_aspect.x = 1;
if (wwin->normal_hints->max_aspect.y < 1)
wwin->normal_hints->max_aspect.y = 1;
}
if (wwin->normal_hints->min_height > wwin->normal_hints->max_height) {
wwin->normal_hints->min_height = wwin->normal_hints->max_height;
}
if (wwin->normal_hints->min_width > wwin->normal_hints->max_width) {
wwin->normal_hints->min_width = wwin->normal_hints->max_width;
}
#ifdef IGNORE_PPOSITION
wwin->normal_hints->flags &= ~PPosition;
#endif
if (pre_icccm && !wwin->screen_ptr->flags.startup && geometry) {
if (wwin->normal_hints->flags & (USPosition|PPosition)) {
*x = wwin->normal_hints->x;
*y = wwin->normal_hints->y;
}
if (wwin->normal_hints->flags & (USSize|PSize)) {
*width = wwin->normal_hints->width;
*height = wwin->normal_hints->height;
}
}
}
void
GetColormapWindows(WWindow *wwin)
{
#ifndef NO_CRASHES
if (wwin->cmap_windows) {
XFree(wwin->cmap_windows);
}
wwin->cmap_windows = NULL;
wwin->cmap_window_no = 0;
if (!XGetWMColormapWindows(dpy, wwin->client_win, &(wwin->cmap_windows),
&(wwin->cmap_window_no))
|| !wwin->cmap_windows) {
wwin->cmap_window_no = 0;
wwin->cmap_windows = NULL;
}
#endif
}
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