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/**
* @file swallow.c
* @author Joe Wingbermuehle
* @date 2005-2006
*
* @brief Swallow tray component.
*
*/
#include "jwm.h"
#include "swallow.h"
#include "main.h"
#include "tray.h"
#include "error.h"
#include "root.h"
#include "color.h"
#include "client.h"
#include "event.h"
#include "misc.h"
typedef struct SwallowNode {
TrayComponentType *cp;
char *name;
char *command;
int border;
int userWidth;
int userHeight;
struct SwallowNode *next;
} SwallowNode;
static SwallowNode *swallowNodes;
static void Destroy(TrayComponentType *cp);
static void Resize(TrayComponentType *cp);
/** Initialize swallow data. */
void
InitializeSwallow()
{
swallowNodes = NULL;
}
/** Start swallow processing. */
void
StartupSwallow()
{
SwallowNode *np;
for(np = swallowNodes; np; np = np->next) {
if(np->command) {
RunCommand(np->command);
}
}
}
/** Stop swallow processing. */
void
ShutdownSwallow()
{
}
/** Destroy swallow data. */
void
DestroySwallow()
{
SwallowNode *np;
while(swallowNodes) {
np = swallowNodes->next;
Assert(swallowNodes->name);
Release(swallowNodes->name);
if(swallowNodes->command) {
Release(swallowNodes->command);
}
Release(swallowNodes);
swallowNodes = np;
}
}
/** Create a swallowed application tray component. */
TrayComponentType *CreateSwallow(const char *name, const char *command,
int width, int height) {
TrayComponentType *cp;
SwallowNode *np;
if(!name) {
Warning("cannot swallow a client with no name");
return NULL;
}
/* Make sure this name isn't already used. */
for(np = swallowNodes; np; np = np->next) {
if(!strcmp(np->name, name)) {
Warning("cannot swallow the same client multiple times");
return NULL;
}
}
np = Allocate(sizeof(SwallowNode));
np->name = CopyString(name);
np->command = CopyString(command);
np->next = swallowNodes;
swallowNodes = np;
cp = CreateTrayComponent();
np->cp = cp;
cp->object = np;
cp->Destroy = Destroy;
cp->Resize = Resize;
if(width) {
cp->requestedWidth = width;
np->userWidth = 1;
} else {
cp->requestedWidth = 1;
np->userWidth = 0;
}
if(height) {
cp->requestedHeight = height;
np->userHeight = 1;
} else {
cp->requestedHeight = 1;
np->userHeight = 0;
}
return cp;
}
/** Process an event on a swallowed window. */
int
ProcessSwallowEvent(const XEvent *event)
{
SwallowNode *np;
int width, height;
for(np = swallowNodes; np; np = np->next) {
if(event->xany.window == np->cp->window) {
switch(event->type) {
case DestroyNotify:
np->cp->window = None;
np->cp->requestedWidth = 1;
np->cp->requestedHeight = 1;
ResizeTray(np->cp->tray);
break;
case ResizeRequest:
np->cp->requestedWidth
= event->xresizerequest.width + np->border * 2;
np->cp->requestedHeight
= event->xresizerequest.height + np->border * 2;
ResizeTray(np->cp->tray);
break;
case ConfigureNotify:
/* I don't think this should be necessary, but somehow
* resize requests slip by sometimes... */
width = event->xconfigure.width + np->border * 2;
height = event->xconfigure.height + np->border * 2;
if( width != np->cp->requestedWidth
&& height != np->cp->requestedHeight) {
np->cp->requestedWidth = width;
np->cp->requestedHeight = height;
ResizeTray(np->cp->tray);
}
break;
default:
break;
}
return 1;
}
}
return 0;
}
/** Handle a tray resize. */
void
Resize(TrayComponentType *cp)
{
int width, height;
SwallowNode *np = (SwallowNode*)cp->object;
if(cp->window != None) {
width = cp->width - np->border * 2;
height = cp->height - np->border * 2;
JXResizeWindow(display, cp->window, width, height);
}
}
/** Destroy a swallow tray component. */
void
Destroy(TrayComponentType *cp)
{
ClientProtocolType protocols;
if(cp->window) {
JXReparentWindow(display, cp->window, rootWindow, 0, 0);
JXRemoveFromSaveSet(display, cp->window);
protocols = ReadWMProtocols(cp->window);
if(protocols & PROT_DELETE) {
SendClientMessage(cp->window, ATOM_WM_PROTOCOLS,
ATOM_WM_DELETE_WINDOW);
} else {
JXKillClient(display, cp->window);
}
}
}
/** Determine if this is a window to be swallowed, if it is, swallow it. */
int
CheckSwallowMap(const XMapEvent *event)
{
SwallowNode *np;
XClassHint hint;
XWindowAttributes attr;
for(np = swallowNodes; np; np = np->next) {
if(np->cp->window != None) {
continue;
}
Assert(np->cp->tray->window != None);
if(JXGetClassHint(display, event->window, &hint)) {
if(!strcmp(hint.res_name, np->name)) {
/* Swallow the window. */
JXSelectInput(display, event->window,
StructureNotifyMask | ResizeRedirectMask);
JXAddToSaveSet(display, event->window);
JXSetWindowBorder(display, event->window, colors[COLOR_TRAY_BG]);
JXReparentWindow(display, event->window,
np->cp->tray->window, 0, 0);
JXMapRaised(display, event->window);
JXFree(hint.res_name);
JXFree(hint.res_class);
np->cp->window = event->window;
/* Update the size. */
JXGetWindowAttributes(display, event->window, &attr);
np->border = attr.border_width;
if(!np->userWidth) {
np->cp->requestedWidth = attr.width + 2 * np->border;
}
if(!np->userHeight) {
np->cp->requestedHeight = attr.height + 2 * np->border;
}
ResizeTray(np->cp->tray);
return 1;
}
}
}
return 0;
}
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