/** Stop move. */
void StopMove(ClientNode *np, int doMove,
int oldx, int oldy, MaxFlags maxFlags)
{
int north, south, east, west;
Assert(np);
Assert(np->controller);
(np->controller)(0);
np->controller = NULL;
SetDefaultCursor(np->parent);
UnregisterCallback(SignalMove, NULL);
if(!doMove) {
np->x = oldx;
np->y = oldy;
/* Restore maximized status. */
if(maxFlags) {
MaximizeClient(np, maxFlags);
}
return;
}
GetBorderSize(&np->state, &north, &south, &east, &west);
if(np->parent != None) {
JXMoveWindow(display, np->parent, np->x - west, np->y - north);
} else {
JXMoveWindow(display, np->window, np->x - west, np->y - north);
}
SendConfigureEvent(np);
/* Restore maximized status. */
if(maxFlags) {
MaximizeClient(np, maxFlags);
}
}
/** Maximize a client window. */
void MaximizeClient(ClientNode *np, MaxFlags flags)
{
/* Return if we don't have a client. */
if(np == NULL) {
return;
}
/* Don't allow maximization of full-screen clients. */
if(np->state.status & STAT_FULLSCREEN) {
return;
}
if(!(np->state.border & BORDER_MAX)) {
return;
}
if(np->state.status & STAT_SHADED) {
UnshadeClient(np);
}
RaiseClient(np);
FocusClient(np);
if(np->state.maxFlags) {
/* Undo existing maximization. */
np->x = np->oldx;
np->y = np->oldy;
np->width = np->oldWidth;
np->height = np->oldHeight;
np->state.maxFlags = MAX_NONE;
}
if(flags != MAX_NONE) {
/* Maximize if requested. */
PlaceMaximizedClient(np, flags);
}
WriteState(np);
ResetBorder(np);
DrawBorder(np);
SendConfigureEvent(np);
RequirePagerUpdate();
}
/** Stop move. */
void StopMove(ClientNode *np, int doMove,
int oldx, int oldy, int hmax, int vmax)
{
int north, south, east, west;
Assert(np);
Assert(np->controller);
(np->controller)(0);
np->controller = NULL;
SetDefaultCursor(np->parent);
UnregisterCallback(SignalMove, NULL);
if(!doMove) {
np->x = oldx;
np->y = oldy;
/* Restore maximized status if only maximized in one direction. */
if((hmax || vmax) && !(hmax && vmax)) {
MaximizeClient(np, hmax, vmax);
}
return;
}
GetBorderSize(&np->state, &north, &south, &east, &west);
JXMoveWindow(display, np->parent, np->x - west, np->y - north);
SendConfigureEvent(np);
/* Restore maximized status. */
if((hmax || vmax) && !(hmax && vmax)) {
MaximizeClient(np, hmax, vmax);
}
}
/** Move a client window. */
char MoveClient(ClientNode *np, int startx, int starty)
{
XEvent event;
int oldx, oldy;
int doMove;
int north, south, east, west;
int height;
MaxFlags maxFlags;
Assert(np);
if(!(np->state.border & BORDER_MOVE)) {
return 0;
}
if(np->state.status & STAT_FULLSCREEN) {
return 0;
}
GrabMouseForMove();
RegisterCallback(0, SignalMove, NULL);
np->controller = MoveController;
shouldStopMove = 0;
oldx = np->x;
oldy = np->y;
maxFlags = np->state.maxFlags;
if(!(GetMouseMask() & (Button1Mask | Button2Mask))) {
StopMove(np, 0, oldx, oldy, maxFlags);
return 0;
}
GetBorderSize(&np->state, &north, &south, &east, &west);
startx -= west;
starty -= north;
currentClient = np;
atTop = atBottom = atLeft = atRight = 0;
doMove = 0;
for(;;) {
WaitForEvent(&event);
if(shouldStopMove) {
np->controller = NULL;
SetDefaultCursor(np->parent);
UnregisterCallback(SignalMove, NULL);
return doMove;
}
switch(event.type) {
case ButtonRelease:
if(event.xbutton.button == Button1
|| event.xbutton.button == Button2) {
StopMove(np, doMove, oldx, oldy, maxFlags);
return doMove;
}
break;
case MotionNotify:
DiscardMotionEvents(&event, np->window);
np->x = event.xmotion.x_root - startx;
np->y = event.xmotion.y_root - starty;
/* Get the move time used for desktop switching. */
if(!(atLeft | atTop | atRight | atBottom)) {
if(event.xmotion.state & Mod1Mask) {
moveTime.seconds = 0;
moveTime.ms = 0;
} else {
GetCurrentTime(&moveTime);
}
}
/* Determine if we are at a border for desktop switching. */
atLeft = atTop = atRight = atBottom = 0;
if(event.xmotion.x_root == 0) {
atLeft = 1;
} else if(event.xmotion.x_root == rootWidth - 1) {
atRight = 1;
}
if(event.xmotion.y_root == 0) {
atTop = 1;
} else if(event.xmotion.y_root == rootHeight - 1) {
atBottom = 1;
}
if(event.xmotion.state & Mod1Mask) {
/* Switch desktops immediately if alt is pressed. */
if(atLeft | atRight | atTop | atBottom) {
TimeType now;
GetCurrentTime(&now);
UpdateDesktop(&now);
}
} else {
/* If alt is not pressed, snap to borders. */
DoSnap(np);
}
if(!doMove && (abs(np->x - oldx) > MOVE_DELTA
|| abs(np->y - oldy) > MOVE_DELTA)) {
if(np->state.maxFlags) {
MaximizeClient(np, MAX_NONE);
startx = np->width / 2;
starty = -north / 2;
MoveMouse(np->parent, startx, starty);
}
CreateMoveWindow(np);
doMove = 1;
}
if(doMove) {
if(settings.moveMode == MOVE_OUTLINE) {
ClearOutline();
height = north + south;
if(!(np->state.status & STAT_SHADED)) {
height += np->height;
}
DrawOutline(np->x - west, np->y - north,
np->width + west + east, height);
} else {
JXMoveWindow(display, np->parent, np->x - west,
np->y - north);
SendConfigureEvent(np);
}
UpdateMoveWindow(np);
RequirePagerUpdate();
}
break;
default:
break;
}
}
}
/** Move a client window (keyboard or menu initiated). */
char MoveClientKeyboard(ClientNode *np)
{
XEvent event;
int oldx, oldy;
int moved;
int height;
int north, south, east, west;
MaxFlags maxFlags;
Assert(np);
if(!(np->state.border & BORDER_MOVE)) {
return 0;
}
if(np->state.status & STAT_FULLSCREEN) {
return 0;
}
maxFlags = np->state.maxFlags;
if(np->state.maxFlags != MAX_NONE) {
MaximizeClient(np, MAX_NONE);
}
if(JUNLIKELY(JXGrabKeyboard(display, np->parent, True, GrabModeAsync,
GrabModeAsync, CurrentTime))) {
Debug("MoveClient: could not grab keyboard");
return 0;
}
GrabMouseForMove();
GetBorderSize(&np->state, &north, &south, &east, &west);
oldx = np->x;
oldy = np->y;
RegisterCallback(0, SignalMove, NULL);
np->controller = MoveController;
shouldStopMove = 0;
CreateMoveWindow(np);
UpdateMoveWindow(np);
MoveMouse(rootWindow, np->x, np->y);
DiscardMotionEvents(&event, np->window);
if(np->state.status & STAT_SHADED) {
height = 0;
} else {
height = np->height;
}
for(;;) {
WaitForEvent(&event);
if(shouldStopMove) {
np->controller = NULL;
SetDefaultCursor(np->parent);
UnregisterCallback(SignalMove, NULL);
return 1;
}
moved = 0;
if(event.type == KeyPress) {
DiscardKeyEvents(&event, np->window);
switch(GetKey(&event.xkey) & 0xFF) {
case KEY_UP:
if(np->y + height > 0) {
np->y -= 10;
}
break;
case KEY_DOWN:
if(np->y < rootHeight) {
np->y += 10;
}
break;
case KEY_RIGHT:
if(np->x < rootWidth) {
np->x += 10;
}
break;
case KEY_LEFT:
if(np->x + np->width > 0) {
np->x -= 10;
}
break;
default:
StopMove(np, 1, oldx, oldy, maxFlags);
return 1;
}
MoveMouse(rootWindow, np->x, np->y);
DiscardMotionEvents(&event, np->window);
moved = 1;
} else if(event.type == MotionNotify) {
DiscardMotionEvents(&event, np->window);
np->x = event.xmotion.x;
np->y = event.xmotion.y;
moved = 1;
} else if(event.type == ButtonRelease) {
StopMove(np, 1, oldx, oldy, maxFlags);
return 1;
}
if(moved) {
if(settings.moveMode == MOVE_OUTLINE) {
ClearOutline();
DrawOutline(np->x - west, np->y - west,
np->width + west + east, height + north + west);
} else {
JXMoveWindow(display, np->parent, np->x - west, np->y - north);
SendConfigureEvent(np);
}
UpdateMoveWindow(np);
RequirePagerUpdate();
}
}
}
/** Move a client window. */
char MoveClient(ClientNode *np, int startx, int starty, int snap)
{
XEvent event;
int oldx, oldy;
int doMove;
int north, south, east, west;
int height;
int hmax, vmax;
Assert(np);
if(!(np->state.border & BORDER_MOVE)) {
return 0;
}
if(np->state.status & STAT_FULLSCREEN) {
return 0;
}
GrabMouseForMove();
RegisterCallback(0, SignalMove, NULL);
np->controller = MoveController;
shouldStopMove = 0;
oldx = np->x;
oldy = np->y;
vmax = 0;
hmax = 0;
if(!(GetMouseMask() & (Button1Mask | Button2Mask))) {
StopMove(np, 0, oldx, oldy, 0, 0);
return 0;
}
GetBorderSize(&np->state, &north, &south, &east, &west);
startx -= west;
starty -= north;
currentClient = np;
atTop = 0;
atBottom = 0;
atLeft = 0;
atRight = 0;
doMove = 0;
for(;;) {
WaitForEvent(&event);
if(shouldStopMove) {
np->controller = NULL;
SetDefaultCursor(np->parent);
UnregisterCallback(SignalMove, NULL);
return doMove;
}
switch(event.type) {
case ButtonRelease:
if(event.xbutton.button == Button1
|| event.xbutton.button == Button2) {
StopMove(np, doMove, oldx, oldy, hmax, vmax);
return doMove;
}
break;
case MotionNotify:
DiscardMotionEvents(&event, np->window);
np->x = event.xmotion.x_root - startx;
np->y = event.xmotion.y_root - starty;
GetCurrentTime(&moveTime);
atLeft = 0;
atTop = 0;
atRight = 0;
atBottom = 0;
if(event.xmotion.x_root == 0) {
atLeft = 1;
} else if(event.xmotion.x_root == rootWidth - 1) {
atRight = 1;
}
if(event.xmotion.y_root == 0) {
atTop = 1;
} else if(event.xmotion.y_root == rootHeight - 1) {
atBottom = 1;
}
if(snap) {
DoSnap(np);
}
if(!doMove && (abs(np->x - oldx) > MOVE_DELTA
|| abs(np->y - oldy) > MOVE_DELTA)) {
if(np->state.status & (STAT_HMAX | STAT_VMAX)) {
if(np->state.status & STAT_HMAX) {
hmax = 1;
}
if(np->state.status & STAT_VMAX) {
vmax = 1;
}
MaximizeClient(np, 0, 0);
startx = np->width / 2;
starty = -north / 2;
MoveMouse(np->parent, startx, starty);
}
CreateMoveWindow(np);
doMove = 1;
}
if(doMove) {
if(settings.moveMode == MOVE_OUTLINE) {
ClearOutline();
height = north + south;
if(!(np->state.status & STAT_SHADED)) {
height += np->height;
}
DrawOutline(np->x - west, np->y - north,
np->width + west + east, height);
} else {
JXMoveWindow(display, np->parent, np->x - west,
np->y - north);
SendConfigureEvent(np);
}
UpdateMoveWindow(np);
UpdatePager();
}
break;
default:
break;
}
}
}
/** Process a configure request. */
void HandleConfigureRequest(const XConfigureRequestEvent *event)
{
XWindowChanges wc;
ClientNode *np;
if(HandleDockConfigureRequest(event)) {
return;
}
np = FindClientByWindow(event->window);
if(np) {
int deltax, deltay;
char changed = 0;
char resized = 0;
GetGravityDelta(np, np->gravity, &deltax, &deltay);
if((event->value_mask & CWWidth) && (event->width != np->width)) {
switch(np->gravity) {
case EastGravity:
case NorthEastGravity:
case SouthEastGravity:
/* Right side should not move. */
np->x -= event->width - np->width;
break;
case WestGravity:
case NorthWestGravity:
case SouthWestGravity:
/* Left side should not move. */
break;
case CenterGravity:
/* Center of the window should not move. */
np->x -= (event->width - np->width) / 2;
break;
default:
break;
}
np->width = event->width;
changed = 1;
resized = 1;
}
if((event->value_mask & CWHeight) && (event->height != np->height)) {
switch(np->gravity) {
case NorthGravity:
case NorthEastGravity:
case NorthWestGravity:
/* Top should not move. */
break;
case SouthGravity:
case SouthEastGravity:
case SouthWestGravity:
/* Bottom should not move. */
np->y -= event->height - np->height;
break;
case CenterGravity:
/* Center of the window should not move. */
np->y -= (event->height - np->height) / 2;
break;
default:
break;
}
np->height = event->height;
changed = 1;
resized = 1;
}
if((event->value_mask & CWX) && (event->x - deltax != np->x)) {
np->x = event->x - deltax;
changed = 1;
}
if((event->value_mask & CWY) && (event->y - deltay != np->y)) {
np->y = event->y - deltay;
changed = 1;
}
/* Update stacking. */
if((event->value_mask & CWStackMode)) {
Window above = None;
if(event->value_mask & CWSibling) {
above = event->above;
}
RestackClient(np, above, event->detail);
}
/* Return early if there's nothing to do. */
if(!changed) {
return;
}
if(np->controller) {
(np->controller)(0);
}
if(np->state.maxFlags) {
MaximizeClient(np, MAX_NONE);
}
if(np->state.border & BORDER_CONSTRAIN) {
resized = 1;
}
if(resized) {
ConstrainSize(np);
ConstrainPosition(np);
ResetBorder(np);
} else {
int north, south, east, west;
GetBorderSize(&np->state, &north, &south, &east, &west);
if(np->parent != None) {
JXMoveWindow(display, np->parent, np->x - west, np->y - north);
} else {
JXMoveWindow(display, np->window, np->x, np->y);
}
}
SendConfigureEvent(np);
RequirePagerUpdate();
} else {
/* We don't know about this window, just let the configure through. */
wc.stack_mode = event->detail;
wc.sibling = event->above;
wc.border_width = event->border_width;
wc.x = event->x;
wc.y = event->y;
wc.width = event->width;
wc.height = event->height;
JXConfigureWindow(display, event->window, event->value_mask, &wc);
}
}
/** Handle a _NET_MOVERESIZE_WINDOW request. */
void HandleNetMoveResize(const XClientMessageEvent *event, ClientNode *np)
{
long flags;
int gravity;
int deltax, deltay;
Assert(event);
Assert(np);
flags = event->data.l[0] >> 8;
gravity = event->data.l[0] & 0xFF;
if(gravity == 0) {
gravity = np->gravity;
}
GetGravityDelta(np, gravity, &deltax, &deltay);
if(flags & (1 << 2)) {
const long width = event->data.l[3];
switch(gravity) {
case EastGravity:
case NorthEastGravity:
case SouthEastGravity:
/* Right side should not move. */
np->x -= width - np->width;
break;
case WestGravity:
case NorthWestGravity:
case SouthWestGravity:
/* Left side should not move. */
break;
case CenterGravity:
/* Center of the window should not move. */
np->x -= (width - np->width) / 2;
break;
default:
break;
}
np->width = width;
}
if(flags & (1 << 3)) {
const long height = event->data.l[4];
switch(gravity) {
case NorthGravity:
case NorthEastGravity:
case NorthWestGravity:
/* Top should not move. */
break;
case SouthGravity:
case SouthEastGravity:
case SouthWestGravity:
/* Bottom should not move. */
np->y -= height - np->height;
break;
case CenterGravity:
/* Center of the window should not move. */
np->y -= (height - np->height) / 2;
break;
default:
break;
}
np->height = height;
}
if(flags & (1 << 0)) {
np->x = event->data.l[1] - deltax;
}
if(flags & (1 << 1)) {
np->y = event->data.l[2] - deltay;
}
/* Don't let maximized clients be moved or resized. */
if(JUNLIKELY(np->state.status & STAT_FULLSCREEN)) {
SetClientFullScreen(np, 0);
}
if(JUNLIKELY(np->state.maxFlags)) {
MaximizeClient(np, MAX_NONE);
}
ConstrainSize(np);
ResetBorder(np);
SendConfigureEvent(np);
RequirePagerUpdate();
}
/** Set a client's full screen state. */
void SetClientFullScreen(ClientNode *np, char fullScreen)
{
XEvent event;
int north, south, east, west;
BoundingBox box;
const ScreenType *sp;
Assert(np);
/* Make sure there's something to do. */
if(!fullScreen == !(np->state.status & STAT_FULLSCREEN)) {
return;
}
if(!(np->state.border & BORDER_FULLSCREEN)) {
return;
}
if(np->state.status & STAT_SHADED) {
UnshadeClient(np);
}
if(fullScreen) {
np->state.status |= STAT_FULLSCREEN;
if(!(np->state.maxFlags)) {
np->oldx = np->x;
np->oldy = np->y;
np->oldWidth = np->width;
np->oldHeight = np->height;
}
sp = GetCurrentScreen(np->x, np->y);
GetScreenBounds(sp, &box);
GetBorderSize(&np->state, &north, &south, &east, &west);
box.x += west;
box.y += north;
box.width -= east + west;
box.height -= north + south;
np->x = box.x;
np->y = box.y;
np->width = box.width;
np->height = box.height;
ResetBorder(np);
} else {
np->state.status &= ~STAT_FULLSCREEN;
np->x = np->oldx;
np->y = np->oldy;
np->width = np->oldWidth;
np->height = np->oldHeight;
ConstrainSize(np);
ConstrainPosition(np);
if(np->state.maxFlags != MAX_NONE) {
PlaceMaximizedClient(np, np->state.maxFlags);
}
ResetBorder(np);
event.type = MapRequest;
event.xmaprequest.send_event = True;
event.xmaprequest.display = display;
event.xmaprequest.parent = np->parent;
event.xmaprequest.window = np->window;
JXSendEvent(display, rootWindow, False,
SubstructureRedirectMask, &event);
}
WriteState(np);
SendConfigureEvent(np);
RequireRestack();
}
/** Add a window to management. */
ClientNode *AddClientWindow(Window w, char alreadyMapped, char notOwner)
{
XWindowAttributes attr;
ClientNode *np;
Assert(w != None);
/* Get window attributes. */
if(JXGetWindowAttributes(display, w, &attr) == 0) {
return NULL;
}
/* Determine if we should care about this window. */
if(attr.override_redirect == True) {
return NULL;
}
if(attr.class == InputOnly) {
return NULL;
}
/* Prepare a client node for this window. */
np = Allocate(sizeof(ClientNode));
memset(np, 0, sizeof(ClientNode));
np->window = w;
np->owner = None;
np->state.desktop = currentDesktop;
np->x = attr.x;
np->y = attr.y;
np->width = attr.width;
np->height = attr.height;
np->cmap = attr.colormap;
np->state.status = STAT_NONE;
np->state.maxFlags = MAX_NONE;
np->state.layer = LAYER_NORMAL;
np->state.defaultLayer = LAYER_NORMAL;
np->state.border = BORDER_DEFAULT;
np->borderAction = BA_NONE;
ReadClientInfo(np, alreadyMapped);
if(!notOwner) {
np->state.border = BORDER_OUTLINE | BORDER_TITLE | BORDER_MOVE;
np->state.status |= STAT_WMDIALOG | STAT_STICKY;
np->state.layer = LAYER_ABOVE;
np->state.defaultLayer = LAYER_ABOVE;
}
ApplyGroups(np);
if(np->icon == NULL) {
LoadIcon(np);
}
/* We now know the layer, so insert */
np->prev = NULL;
np->next = nodes[np->state.layer];
if(np->next) {
np->next->prev = np;
} else {
nodeTail[np->state.layer] = np;
}
nodes[np->state.layer] = np;
SetDefaultCursor(np->window);
ReparentClient(np, notOwner);
PlaceClient(np, alreadyMapped);
if(!((np->state.status & STAT_FULLSCREEN) || np->state.maxFlags)) {
int north, south, east, west;
GetBorderSize(&np->state, &north, &south, &east, &west);
if(np->parent != None) {
JXMoveResizeWindow(display, np->parent, np->x - west, np->y - north,
np->width + east + west,
np->height + north + south);
JXMoveResizeWindow(display, np->window, west, north,
np->width, np->height);
} else {
JXMoveResizeWindow(display, np->window, np->x, np->y,
np->width, np->height);
}
}
/* If one of these fails we are SOL, so who cares. */
XSaveContext(display, np->window, clientContext, (void*)np);
if(np->parent != None) {
XSaveContext(display, np->parent, frameContext, (void*)np);
}
if(np->state.status & STAT_MAPPED) {
JXMapWindow(display, np->window);
if(np->parent != None) {
JXMapWindow(display, np->parent);
}
}
clientCount += 1;
if(!alreadyMapped) {
RaiseClient(np);
}
if(np->state.status & STAT_OPACITY) {
SetOpacity(np, np->state.opacity, 1);
} else {
SetOpacity(np, settings.inactiveClientOpacity, 1);
}
if(np->state.status & STAT_STICKY) {
SetCardinalAtom(np->window, ATOM_NET_WM_DESKTOP, ~0UL);
} else {
SetCardinalAtom(np->window, ATOM_NET_WM_DESKTOP, np->state.desktop);
}
/* Shade the client if requested. */
if(np->state.status & STAT_SHADED) {
np->state.status &= ~STAT_SHADED;
ShadeClient(np);
}
/* Minimize the client if requested. */
if(np->state.status & STAT_MINIMIZED) {
np->state.status &= ~STAT_MINIMIZED;
MinimizeClient(np, 0);
}
/* Maximize the client if requested. */
if(np->state.maxFlags) {
const MaxFlags flags = np->state.maxFlags;
np->state.maxFlags = MAX_NONE;
MaximizeClient(np, flags);
}
if(np->state.status & STAT_URGENT) {
RegisterCallback(URGENCY_DELAY, SignalUrgent, np);
}
/* Update task bars. */
AddClientToTaskBar(np);
/* Make sure we're still in sync */
WriteState(np);
SendConfigureEvent(np);
/* Hide the client if we're not on the right desktop. */
if(np->state.desktop != currentDesktop
&& !(np->state.status & STAT_STICKY)) {
HideClient(np);
}
ReadClientStrut(np);
/* Focus transients if their parent has focus. */
if(np->owner != None) {
if(activeClient && np->owner == activeClient->window) {
FocusClient(np);
}
}
/* Make the client fullscreen if requested. */
if(np->state.status & STAT_FULLSCREEN) {
np->state.status &= ~STAT_FULLSCREEN;
SetClientFullScreen(np, 1);
}
ResetBorder(np);
return np;
}
/** Handle a _NET_MOVERESIZE_WINDOW request. */
void HandleNetMoveResize(const XClientMessageEvent *event, ClientNode *np) {
long flags, gravity;
long x, y;
long width, height;
int deltax, deltay;
int north, south, east, west;
Assert(event);
Assert(np);
gravity = event->data.l[0] & 0xFF;
flags = event->data.l[0] >> 8;
x = np->x;
y = np->y;
width = np->width;
height = np->height;
if(flags & (1 << 0)) {
x = event->data.l[1];
}
if(flags & (1 << 1)) {
y = event->data.l[2];
}
if(flags & (1 << 2)) {
width = event->data.l[3];
}
if(flags & (1 << 3)) {
height = event->data.l[4];
}
if(gravity == 0) {
gravity = np->gravity;
}
GetBorderSize(np, &north, &south, &east, &west);
GetGravityDelta(np, &deltax, &deltay);
x -= deltax;
y -= deltay;
np->x = x;
np->y = y;
np->width = width;
np->height = height;
if(np->state.status & STAT_FULLSCREEN) {
Warning("Fullscreen state will be shaped!");
}
/** Reset shaped bound */
ResetRoundedRectWindow(np->parent);
ShapeRoundedRectWindow(np->parent,
np->width + east + west,
np->height + north + south);
JXMoveResizeWindow(display, np->parent,
np->x - west, np->y - north,
np->width + east + west,
np->height + north + south);
JXMoveResizeWindow(display, np->window, west, north,
np->width, np->height);
WriteState(np);
SendConfigureEvent(np);
}
/** Resize a client window (mouse initiated). */
void ResizeClient(ClientNode *np, BorderActionType action,
int startx, int starty) {
XEvent event;
int oldx, oldy;
int oldw, oldh;
int gwidth, gheight;
int lastgwidth, lastgheight;
int delta;
int north, south, east, west;
int ratio, minr, maxr;
Assert(np);
if(!(np->state.border & BORDER_RESIZE)) {
return;
}
if(JUNLIKELY(!GrabMouseForResize(action))) {
Debug("ResizeClient: could not grab mouse");
return;
}
if(np->state.status & STAT_SHADED) {
action &= ~(BA_RESIZE_N | BA_RESIZE_S);
}
np->controller = ResizeController;
shouldStopResize = 0;
oldx = np->x;
oldy = np->y;
oldw = np->width;
oldh = np->height;
gwidth = (np->width - np->baseWidth) / np->xinc;
gheight = (np->height - np->baseHeight) / np->yinc;
GetBorderSize(np, &north, &south, &east, &west);
startx += np->x - west;
starty += np->y - north;
CreateResizeWindow(np);
UpdateResizeWindow(np, gwidth, gheight);
if(!(GetMouseMask() & (Button1Mask | Button3Mask))) {
StopResize(np);
return;
}
for(;;) {
WaitForEvent(&event);
if(shouldStopResize) {
np->controller = NULL;
return;
}
switch(event.type) {
case ButtonRelease:
if( event.xbutton.button == Button1
|| event.xbutton.button == Button3) {
StopResize(np);
return;
}
break;
case MotionNotify:
SetMousePosition(event.xmotion.x_root, event.xmotion.y_root);
DiscardMotionEvents(&event, np->window);
if(action & BA_RESIZE_N) {
delta = (event.xmotion.y - starty) / np->yinc;
delta *= np->yinc;
if(oldh - delta >= np->minHeight
&& (oldh - delta <= np->maxHeight || delta > 0)) {
np->height = oldh - delta;
np->y = oldy + delta;
}
if(!(action & (BA_RESIZE_E | BA_RESIZE_W))) {
FixWidth(np);
}
}
if(action & BA_RESIZE_S) {
delta = (event.xmotion.y - starty) / np->yinc;
delta *= np->yinc;
np->height = oldh + delta;
np->height = Max(np->height, np->minHeight);
np->height = Min(np->height, np->maxHeight);
if(!(action & (BA_RESIZE_E | BA_RESIZE_W))) {
FixWidth(np);
}
}
if(action & BA_RESIZE_E) {
delta = (event.xmotion.x - startx) / np->xinc;
delta *= np->xinc;
np->width = oldw + delta;
np->width = Max(np->width, np->minWidth);
np->width = Min(np->width, np->maxWidth);
if(!(action & (BA_RESIZE_N | BA_RESIZE_S))) {
FixHeight(np);
}
}
if(action & BA_RESIZE_W) {
delta = (event.xmotion.x - startx) / np->xinc;
delta *= np->xinc;
if(oldw - delta >= np->minWidth
&& (oldw - delta <= np->maxWidth || delta > 0)) {
np->width = oldw - delta;
np->x = oldx + delta;
}
if(!(action & (BA_RESIZE_N | BA_RESIZE_S))) {
FixHeight(np);
}
}
if(np->sizeFlags & PAspect) {
if((action & (BA_RESIZE_N | BA_RESIZE_S)) &&
(action & (BA_RESIZE_E | BA_RESIZE_W))) {
/* Fixed point with a 16-bit fraction. */
ratio = (np->width << 16) / np->height;
minr = (np->aspect.minx << 16) / np->aspect.miny;
if(ratio < minr) {
delta = np->width;
np->width = (np->height * minr) >> 16;
if(action & BA_RESIZE_W) {
np->x -= np->width - delta;
}
}
maxr = (np->aspect.maxx << 16) / np->aspect.maxy;
if(ratio > maxr) {
delta = np->height;
np->height = (np->width << 16) / maxr;
if(action & BA_RESIZE_N) {
np->y -= np->height - delta;
}
}
}
}
lastgwidth = gwidth;
lastgheight = gheight;
gwidth = (np->width - np->baseWidth) / np->xinc;
gheight = (np->height - np->baseHeight) / np->yinc;
if(lastgheight != gheight || lastgwidth != gwidth) {
if(np->state.status & (STAT_HMAX | STAT_VMAX)) {
np->state.status &= ~(STAT_HMAX | STAT_VMAX);
WriteState(np);
SendConfigureEvent(np);
}
UpdateResizeWindow(np, gwidth, gheight);
if(resizeMode == RESIZE_OUTLINE) {
ClearOutline();
if(np->state.status & STAT_SHADED) {
DrawOutline(np->x - west, np->y - north,
np->width + west + east, north + south);
} else {
DrawOutline(np->x - west, np->y - north,
np->width + west + east,
np->height + north + south);
}
} else {
ResetRoundedRectWindow(np->parent);
if(np->state.status & STAT_SHADED) {
ShapeRoundedRectWindow(np->parent,
np->width + east + west,
north + south);
JXMoveResizeWindow(display, np->parent,
np->x - west, np->y - north,
np->width + west + east, north + south);
} else {
ShapeRoundedRectWindow(np->parent,
np->width + east + west,
np->height + north + south);
JXMoveResizeWindow(display, np->parent,
np->x - west, np->y - north,
np->width + west + east,
np->height + north + south);
}
JXMoveResizeWindow(display, np->window, west,
north, np->width, np->height);
SendConfigureEvent(np);
}
UpdatePager();
}
break;
default:
break;
}
