openbox/plugins/mouse/mouse.c

456 lines
15 KiB
C

#include "kernel/openbox.h"
#include "kernel/dispatch.h"
#include "kernel/action.h"
#include "kernel/event.h"
#include "kernel/client.h"
#include "kernel/prop.h"
#include "kernel/grab.h"
#include "kernel/frame.h"
#include "parser/parse.h"
#include "translate.h"
#include "mouse.h"
#include <glib.h>
static int threshold;
static int dclicktime;
/*
<context name="Titlebar">
<mousebind button="Left" action="Press">
<action name="Raise"></action>
</mousebind>
</context>
*/
static void parse_xml(xmlDocPtr doc, xmlNodePtr node, void *d)
{
xmlNodePtr n, nbut, nact;
char *buttonstr;
char *contextstr;
MouseAction mact;
Action *action;
node = node->xmlChildrenNode;
if ((n = parse_find_node("dragThreshold", node)))
threshold = parse_int(doc, n);
if ((n = parse_find_node("doubleClickTime", node)))
dclicktime = parse_int(doc, n);
n = parse_find_node("context", node);
while (n) {
if (!parse_attr_string("name", n, &contextstr))
goto next_n;
nbut = parse_find_node("mousebind", n->xmlChildrenNode);
while (nbut) {
if (!parse_attr_string("button", nbut, &buttonstr))
goto next_nbut;
if (parse_attr_contains("press", nbut, "action"))
mact = MouseAction_Press;
else if (parse_attr_contains("release", nbut, "action"))
mact = MouseAction_Release;
else if (parse_attr_contains("click", nbut, "action"))
mact = MouseAction_Click;
else if (parse_attr_contains("doubleclick", nbut,"action"))
mact = MouseAction_DClick;
else if (parse_attr_contains("drag", nbut, "action"))
mact = MouseAction_Motion;
else
goto next_nbut;
nact = parse_find_node("action", nbut->xmlChildrenNode);
while (nact) {
if ((action = action_parse(doc, nact))) {
/* validate that its okay for a mouse binding*/
if (mact == MouseAction_Motion) {
if (action->func != action_moveresize ||
action->data.moveresize.corner ==
prop_atoms.net_wm_moveresize_move_keyboard ||
action->data.moveresize.corner ==
prop_atoms.net_wm_moveresize_size_keyboard) {
action_free(action);
action = NULL;
}
} else {
if (action->func == action_moveresize &&
action->data.moveresize.corner !=
prop_atoms.net_wm_moveresize_move_keyboard &&
action->data.moveresize.corner !=
prop_atoms.net_wm_moveresize_size_keyboard) {
action_free(action);
action = NULL;
}
}
if (action)
mbind(buttonstr, contextstr, mact, action);
}
nact = parse_find_node("action", nact->next);
}
g_free(buttonstr);
next_nbut:
nbut = parse_find_node("mousebind", nbut->next);
}
g_free(contextstr);
next_n:
n = parse_find_node("context", n->next);
}
}
void plugin_setup_config()
{
threshold = 3;
dclicktime = 200;
parse_register("mouse", parse_xml, NULL);
}
/* Array of GSList*s of PointerBinding*s. */
static GSList *bound_contexts[OB_FRAME_NUM_CONTEXTS];
static void grab_for_client(ObClient *client, gboolean grab)
{
int i;
GSList *it;
for (i = 0; i < OB_FRAME_NUM_CONTEXTS; ++i)
for (it = bound_contexts[i]; it != NULL; it = it->next) {
/* grab/ungrab the button */
MouseBinding *b = it->data;
Window win;
int mode;
unsigned int mask;
if (i == OB_FRAME_CONTEXT_FRAME) {
win = client->frame->window;
mode = GrabModeAsync;
mask = ButtonPressMask | ButtonMotionMask | ButtonReleaseMask;
} else if (i == OB_FRAME_CONTEXT_CLIENT) {
win = client->frame->plate;
mode = GrabModeSync; /* this is handled in event */
mask = ButtonPressMask; /* can't catch more than this with Sync
mode the release event is
manufactured in event() */
} else continue;
if (grab)
grab_button_full(b->button, b->state, win, mask, mode, None);
else
ungrab_button(b->button, b->state, win);
}
}
static void grab_all_clients(gboolean grab)
{
GList *it;
for (it = client_list; it != NULL; it = it->next)
grab_for_client(it->data, grab);
}
static void clearall()
{
int i;
GSList *it;
for(i = 0; i < OB_FRAME_NUM_CONTEXTS; ++i) {
for (it = bound_contexts[i]; it != NULL; it = it->next) {
int j;
MouseBinding *b = it->data;
for (j = 0; j < NUM_MOUSEACTION; ++j) {
GSList *it;
for (it = b->actions[j]; it; it = it->next) {
action_free(it->data);
}
g_slist_free(b->actions[j]);
}
g_free(b);
}
g_slist_free(bound_contexts[i]);
}
}
static void fire_button(MouseAction a, ObFrameContext context,
ObClient *c, guint state,
guint button, int x, int y)
{
GSList *it;
MouseBinding *b;
for (it = bound_contexts[context]; it != NULL; it = it->next) {
b = it->data;
if (b->state == state && b->button == button)
break;
}
/* if not bound, then nothing to do! */
if (it == NULL) return;
for (it = b->actions[a]; it; it = it->next) {
Action *act = it->data;
if (act->func != NULL) {
act->data.any.c = c;
g_assert(act->func != action_moveresize);
if (act->func == action_showmenu) {
act->data.showmenu.x = x;
act->data.showmenu.y = y;
}
act->func(&act->data);
}
}
}
static void fire_motion(MouseAction a, ObFrameContext context, ObClient *c,
guint state, guint button, int x_root, int y_root,
guint32 corner)
{
GSList *it;
MouseBinding *b;
for (it = bound_contexts[context]; it != NULL; it = it->next) {
b = it->data;
if (b->state == state && b->button == button)
break;
}
/* if not bound, then nothing to do! */
if (it == NULL) return;
for (it = b->actions[a]; it; it = it->next) {
Action *act = it->data;
if (act->func != NULL) {
act->data.any.c = c;
if (act->func == action_moveresize) {
act->data.moveresize.x = x_root;
act->data.moveresize.y = y_root;
act->data.moveresize.button = button;
if (!(act->data.moveresize.corner ==
prop_atoms.net_wm_moveresize_move ||
act->data.moveresize.corner ==
prop_atoms.net_wm_moveresize_move_keyboard ||
act->data.moveresize.corner ==
prop_atoms.net_wm_moveresize_size_keyboard))
act->data.moveresize.corner = corner;
} else
g_assert_not_reached();
act->func(&act->data);
}
}
}
static guint32 pick_corner(int x, int y, int cx, int cy, int cw, int ch)
{
if (x - cx < cw / 2) {
if (y - cy < ch / 2)
return prop_atoms.net_wm_moveresize_size_topleft;
else
return prop_atoms.net_wm_moveresize_size_bottomleft;
} else {
if (y - cy < ch / 2)
return prop_atoms.net_wm_moveresize_size_topright;
else
return prop_atoms.net_wm_moveresize_size_bottomright;
}
}
static void event(ObEvent *e, void *foo)
{
static Time ltime;
static guint button = 0, state = 0, lbutton = 0;
static Window lwindow = None;
static int px, py;
gboolean click = FALSE;
gboolean dclick = FALSE;
ObFrameContext context;
switch (e->type) {
case Event_Client_Mapped:
grab_for_client(e->data.c.client, TRUE);
break;
case Event_Client_Destroy:
grab_for_client(e->data.c.client, FALSE);
break;
case Event_X_ButtonPress:
context = frame_context(e->data.x.client,
e->data.x.e->xbutton.window);
px = e->data.x.e->xbutton.x_root;
py = e->data.x.e->xbutton.y_root;
button = e->data.x.e->xbutton.button;
state = e->data.x.e->xbutton.state;
fire_button(MouseAction_Press, context,
e->data.x.client, e->data.x.e->xbutton.state,
e->data.x.e->xbutton.button,
e->data.x.e->xbutton.x_root, e->data.x.e->xbutton.y_root);
if (context == OB_FRAME_CONTEXT_CLIENT) {
/* Replay the event, so it goes to the client*/
XAllowEvents(ob_display, ReplayPointer, event_lasttime);
/* Fall through to the release case! */
} else
break;
case Event_X_ButtonRelease:
context = frame_context(e->data.x.client,
e->data.x.e->xbutton.window);
if (e->data.x.e->xbutton.button == button) {
/* clicks are only valid if its released over the window */
int junk1, junk2;
Window wjunk;
guint ujunk, b, w, h;
XGetGeometry(ob_display, e->data.x.e->xbutton.window,
&wjunk, &junk1, &junk2, &w, &h, &b, &ujunk);
if (e->data.x.e->xbutton.x >= (signed)-b &&
e->data.x.e->xbutton.y >= (signed)-b &&
e->data.x.e->xbutton.x < (signed)(w+b) &&
e->data.x.e->xbutton.y < (signed)(h+b)) {
click = TRUE;
/* double clicks happen if there were 2 in a row! */
if (lbutton == button &&
lwindow == e->data.x.e->xbutton.window &&
e->data.x.e->xbutton.time - dclicktime <= ltime) {
dclick = TRUE;
lbutton = 0;
} else {
lbutton = button;
lwindow = e->data.x.e->xbutton.window;
}
} else {
lbutton = 0;
lwindow = None;
}
button = 0;
state = 0;
ltime = e->data.x.e->xbutton.time;
}
fire_button(MouseAction_Release, context,
e->data.x.client, e->data.x.e->xbutton.state,
e->data.x.e->xbutton.button,
e->data.x.e->xbutton.x_root, e->data.x.e->xbutton.y_root);
if (click)
fire_button(MouseAction_Click, context,
e->data.x.client, e->data.x.e->xbutton.state,
e->data.x.e->xbutton.button,
e->data.x.e->xbutton.x_root,
e->data.x.e->xbutton.y_root);
if (dclick)
fire_button(MouseAction_DClick, context,
e->data.x.client, e->data.x.e->xbutton.state,
e->data.x.e->xbutton.button,
e->data.x.e->xbutton.x_root,
e->data.x.e->xbutton.y_root);
break;
case Event_X_MotionNotify:
if (button) {
if (ABS(e->data.x.e->xmotion.x_root - px) >= threshold ||
ABS(e->data.x.e->xmotion.y_root - py) >= threshold) {
guint32 corner;
context = frame_context(e->data.x.client,
e->data.x.e->xmotion.window);
/* You can't drag on buttons */
if (context == OB_FRAME_CONTEXT_MAXIMIZE ||
context == OB_FRAME_CONTEXT_ALLDESKTOPS ||
context == OB_FRAME_CONTEXT_SHADE ||
context == OB_FRAME_CONTEXT_ICONIFY ||
context == OB_FRAME_CONTEXT_ICON ||
context == OB_FRAME_CONTEXT_CLOSE)
break;
if (!e->data.x.client)
corner = prop_atoms.net_wm_moveresize_size_bottomright;
else
corner =
pick_corner(e->data.x.e->xmotion.x_root,
e->data.x.e->xmotion.y_root,
e->data.x.client->frame->area.x,
e->data.x.client->frame->area.y,
/* use the client size because the frame
can be differently sized (shaded
windows) and we want this based on the
clients size */
e->data.x.client->area.width +
e->data.x.client->frame->size.left +
e->data.x.client->frame->size.right,
e->data.x.client->area.height +
e->data.x.client->frame->size.top +
e->data.x.client->frame->size.bottom);
fire_motion(MouseAction_Motion, context,
e->data.x.client, state, button, px, py, corner);
button = 0;
state = 0;
}
}
break;
default:
g_assert_not_reached();
}
}
gboolean mbind(char *buttonstr, char *contextstr, MouseAction mact,
Action *action)
{
guint state, button;
ObFrameContext context;
MouseBinding *b;
GSList *it;
if (!translate_button(buttonstr, &state, &button)) {
g_warning("invalid button '%s'", buttonstr);
return FALSE;
}
contextstr = g_ascii_strdown(contextstr, -1);
context = frame_context_from_string(contextstr);
if (!context) {
g_warning("invalid context '%s'", contextstr);
g_free(contextstr);
return FALSE;
}
g_free(contextstr);
for (it = bound_contexts[context]; it != NULL; it = it->next){
b = it->data;
if (b->state == state && b->button == button) {
b->actions[mact] = g_slist_append(b->actions[mact], action);
return TRUE;
}
}
grab_all_clients(FALSE);
/* add the binding */
b = g_new0(MouseBinding, 1);
b->state = state;
b->button = button;
b->actions[mact] = g_slist_append(NULL, action);
bound_contexts[context] = g_slist_append(bound_contexts[context], b);
grab_all_clients(TRUE);
return TRUE;
}
void plugin_startup()
{
dispatch_register(Event_Client_Mapped | Event_Client_Destroy |
Event_X_ButtonPress | Event_X_ButtonRelease |
Event_X_MotionNotify, (EventHandler)event, NULL);
}
void plugin_shutdown()
{
dispatch_register(0, (EventHandler)event, NULL);
grab_all_clients(FALSE);
clearall();
}